Cylindrical cloth cutting machine and cylindrical cloth cutting and conveying method

Abstract

The invention relates to a cylindrical cloth cutting machine and a cylindrical cloth cutting and conveying method, and the cylindrical cloth cutting machine comprises an automatic cutting mechanism which is used for cutting cloth; the conveying mechanism is arranged at a feeding hole of the automatic cutting mechanism; the first pressing roller assembly is arranged above the feeding end of the conveying mechanism, and the first pressing roller assembly is matched with the conveying mechanism to provide conveying power; the material arranging assembly is fixedly arranged on one side of the feeding end of the conveying mechanism and used for guiding and opening the cloth, so that the section of the cloth enters the position between the conveying mechanism and the first pressing roller assembly in a linear mode, and the material arranging assembly is arranged on one side of the feeding end of the conveying mechanism and used for arranging the cloth on the feeding end of the conveying mechanism. The cloth is guided and expanded, the cross section of the cloth is linear, the cloth enters the follow-up conveying and cutting process, the cloth is prevented from entering the cutting process in a twisting mode, therefore, the cylindrical cloth can be accurately cut, the labor cost is reduced, the material utilization rate is increased, and the service life of cutting equipment is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of clothing processing, in particular to a tubular cloth cutting machine and a tubular cloth cutting and conveying method. Background Art

[0002] The tubular fabrics used in clothing processing are often whole pieces of a certain length. During the clothing processing process, the tubular fabrics, such as woolen textiles, need to be cut into sections according to a certain length, and then the sectioned fabrics are made into finished products such as hats and scarves.

[0003] During the clothing processing stage, after the whole roll of tubular fabric is received, it is automatically cut into the set length by the automatic cutting machine. The cutting process can be automated. However, during the production process, the tubular fabric often twists at a certain position within a certain length range. In the cutting process of the finished product, the size of each segment cannot be accurately controlled, and the cutting parts may be uneven and not meet the requirements, resulting in waste of fabric. In severe cases, the cutting knife may be damaged.

[0004] Currently, manual smoothing is usually used before entering the automatic conveying and cutting process, which requires an operator to be on duty, resulting in high labor costs. Summary of the invention

[0005] In view of the shortcomings of the above-mentioned existing production technology, the applicant provides a tubular cloth cutting machine and a tubular cloth cutting and conveying method, so that the tubular cloth can be automatically sorted during the conveying process to meet the subsequent precise cutting requirements of the tubular cloth, reduce labor costs, and improve material utilization and the service life of the cutting equipment.

[0006] The technical solution adopted by the present invention is as follows:

[0007] A cylindrical cloth cutting machine, comprising:

[0008] An automatic cutting mechanism, used for cutting the cloth;

[0009] A conveying mechanism, arranged at the feed inlet of the automatic cutting mechanism;

[0010] A first pressing roller assembly is disposed above the feed end of the conveying mechanism, and the first pressing roller assembly cooperates with the conveying mechanism to provide conveying power;

[0011] The material-forming assembly is fixedly arranged at one side of the feeding end of the conveying mechanism, and is used for guiding and stretching the cloth so that the cross section of the cloth is in a straight line shape and enters between the conveying mechanism and the first pressing roller assembly.

[0012] As a further improvement of the above technical solution:

[0013] The structure of the monolithic component comprises:

[0014] A fixed frame, wherein the fixed frame is fixedly mounted on a frame of the conveying mechanism;

[0015] An inner guide cylinder, the outer wall of which matches the size of the inner cylinder of the cloth, and is used to stretch the cloth so that the cloth is in a cylindrical shape, and the central axis of the inner guide cylinder is arranged in the vertical direction;

[0016] An external stopper is arranged on the fixing frame, and is used to stop the internal guide cylinder in the horizontal direction and in the vertical direction from the outer periphery of the internal guide cylinder, and a gap is provided between the external stopper and the internal guide cylinder, and the gap is used to pass the cloth;

[0017] The inner straight guide piece is arranged above the inner guide cylinder and is used for stretching the cloth from the inside of the cloth so that the cross section of the cloth is flat.

[0018] The structure of the internal guide cylinder is:

[0019] It comprises an expansion section, the outer wall surface of the expansion section is a cylindrical surface, and the diameter of the cylindrical surface is larger than the diameter of the cloth in a natural state;

[0020] It also includes a lower guide cone surface located at the lower end of the expansion section, and an upper guide cone surface located at the upper end of the expansion section;

[0021] The lower guide conical surface is an inverted conical surface, which is used to guide the cloth so that the cloth in a twisted state is reversely twisted to a straightened state. The upper guide conical surface is used to shrink the cloth to a natural state before passing through the straight guide piece.

[0022] There are multiple external stoppers, which are evenly distributed in an array around the central axis of the internal guide cylinder. The structure of each external stopper is as follows:

[0023] including a bracket connected to the fixing frame;

[0024] The lower end of the bracket is provided with a lower roller matched with the lower end of the internal guide cylinder, and a plurality of lower rollers support the internal guide cylinder from the outer periphery of the lower end of the internal guide cylinder, and there is the gap between the lower roller and the internal guide cylinder;

[0025] The upper end of the bracket is provided with an upper roller that cooperates with the upper end of the internal guide cylinder. A plurality of upper rollers limit the vertical height of the internal guide cylinder from the outer periphery of the upper end of the internal guide cylinder, and there is the gap between the upper roller and the internal guide cylinder.

[0026] Each external limiter also includes a screw threadedly connected to the fixing frame, the end of the screw is detachably connected to the bracket, and also includes a guide rod, one end of which is threadedly connected to the bracket, and the other end of the guide rod is slidably connected to the fixing frame.

[0027] The structure of the one-character guide is as follows:

[0028] It comprises symmetrically arranged support rods, one end of which is fixedly connected to the internal guide cylinder, the other end of which is located at the upper end of the internal guide cylinder and is provided with a guide head, and the two guide heads support the cloth from the inside to make the cross section of the cloth flat.

[0029] It also includes a steering roller assembly, which is located above the feed end of the conveying mechanism and above the whole material assembly. The steering roller assembly is used to guide the cloth passing through the whole material assembly and change the conveying direction of the cloth so that the cross-section of the cloth enters between the conveying mechanism and the first pressure roller assembly in a straight line.

[0030] A guide roller assembly is arranged between the steering roller assembly and the feed end of the conveying mechanism. The structure of the guide roller assembly includes a guide roller base fixedly mounted on the frame of the conveying mechanism, a guide roller shaft is rotatably mounted on the guide roller base, and a first limit block and a second limit block are axially spaced apart on the guide roller shaft. The first limit block and the second limit block are used for guiding and limiting the cloth with a straight line shape in cross section.

[0031] It also includes a second pressure roller assembly, the structure of which includes a movable roller and a second shaft seat located above the discharge end of the conveying mechanism, the movable roller is rotatably mounted on the second shaft seat, a second guide shaft is fixedly mounted on the frame of the conveying mechanism, the second shaft seat is slidably mounted on the second guide shaft, the movable roller is located above the cloth and is lifted up by the cloth, and also includes a sensor for detecting the height of the second shaft seat.

[0032] A method for cutting and conveying tubular cloth comprises the following steps:

[0033] The cloth is guided and stretched into a cylindrical shape from the inside of the cloth by using a material-forming assembly, and the cloth is transported from bottom to top, so that the cloth in a twisted state at the lower end of the material-forming assembly is reversely twisted to a straightened state;

[0034] After the straightened cloth passes through the upper end of the straightening assembly, the cloth is stretched out and changes from a cylindrical shape to a flat shape;

[0035] The flat cloth is conveyed to the automatic cutting mechanism downstream of the conveying mechanism and cut under the pulling force of the feeding end of the conveying mechanism;

[0036] A movable roller is arranged above the material outlet of the conveying mechanism. The movable roller freely presses down on the cloth and rotates freely with the conveying of the cloth. When the automatic cutting mechanism completes the cutting action and detects that the distance between the movable roller and the conveying surface of the conveying mechanism is less than a set value, it is judged that the currently cut material section is waste, and the downstream conveying line is prompted to transfer the waste to the waste area.

[0037] The beneficial effects of the present invention are as follows:

[0038] The present invention has a compact and reasonable structure and is easy to operate. By arranging a material-forming component on one side of the feeding end of the conveying mechanism, the cloth is guided and stretched so that the cross-section of the cloth is in a straight line shape when entering the subsequent conveying and cutting processes, thereby preventing the cloth from entering the cutting process in a twisted state. Therefore, the tubular cloth can be accurately cut, the labor cost is reduced, and the utilization rate of the material and the service life of the cutting equipment are improved.

[0039] At the same time, the present invention also has the following advantages:

[0040] (1) An internal guide cylinder is arranged in the external limiting member on the fixed frame. The external limiting member supports and limits the internal guide cylinder while maintaining a gap between the external limiting member and the internal guide cylinder, so that the cloth can be sleeved on the outside of the internal guide cylinder for upward transportation, and the cloth is guided and stretched into a cylindrical shape, so that the naturally drooping cloth is straightened after passing through the internal guide cylinder, and then after passing through the straight guide member, the cloth is stretched into a flat shape, so that the cross section of the cloth is straight-lined and enters between the conveying mechanism and the first pressure roller assembly, which is convenient for subsequent stable transportation.

[0041] (2) The cloth is conveyed upward through the material-straightening assembly, enters the steering roller assembly, and then is conveyed downward to the feed end of the conveying mechanism, so that there is a longitudinal space between the material-straightening assembly and the conveying mechanism, so that the cloth, which has been flattened under a certain tension, can be fully straightened into a straight line in a section of the conveying space, avoiding swinging of the cloth during conveying, facilitating the stable conveying of the conveying mechanism process and ensuring cutting accuracy.

[0042] (3) The steering roller assembly further straightens the fabric before the feed end of the conveying mechanism and provides a limiting structure to prevent the fabric from deviating before entering the conveying mechanism, thereby ensuring cutting accuracy.

[0043] (4) A freely rising and falling movable roller is provided above the fabric at the discharge end of the conveying mechanism, so that the fabric is lifted up when passing through the movable roller and the conveying mechanism. Since the cutting length is related to the step-by-step conveying time interval of the conveying mechanism, when the movable roller falls due to the absence of fabric underneath within a step-by-step conveying time interval, the sensor can remind that the cut material section is waste. The detection mechanism has a simple structure and timely and sensitive feedback. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1It is a structural schematic diagram of the present invention.

[0045] Figure 2 It is an axonometric cross-sectional view of the present invention.

[0046] Figure 3 It is a schematic structural diagram of the steering roller assembly and the monolithic assembly of the present invention.

[0047] Figure 4 It is a schematic structural diagram of the monolithic assembly of the present invention (axonometric section view).

[0048] Figure 5 for Figure 4 A partial enlarged view of point A in the middle.

[0049] Figure 6 It is a schematic structural diagram (axonometric section view) of the external limiter and the internal guide cylinder of the present invention.

[0050] Figure 7 It is a schematic diagram of the structure of the conveying mechanism and related mechanism components of the present invention.

[0051] Figure 8 It is a schematic structural diagram of the second pressing roller assembly of the present invention.

[0052] in:

[0053] 1. Steering roller assembly; 11. Steering roller shaft; 12. Steering roller base;

[0054] 2. Whole material assembly; 21. One-line guide; 211. Guide head; 212. Support rod; 213. Hole adjustment block; 22. External stopper; 221. Upper roller; 222. Bracket; 2220. Slot; 223. Screw; 2230. Clamp; 224. Lower roller; 225. Guide rod; 23. Fixing frame; 24. Internal guide cylinder; 241. Upper guide cone; 242. Opening section; 243. Lower guide cone;

[0055] 3. First pressure roller assembly; 31. Fixed rod; 32. First guide shaft; 33. First shaft seat; 34. Fixed roller;

[0056] 4. Guide roller assembly; 41. Guide roller base; 42. Guide roller shaft; 43. First limit block; 44. Second limit block;

[0057] 5. Automatic cutting mechanism; 51. Moving frame; 52. Cutting knife; 53. Cylinder;

[0058] 6. Second pressure roller assembly; 61. Second guide shaft; 62. Second shaft seat; 63. Active roller; 64. Sensor;

[0059] 7. Conveying mechanism; 71. Active roller; 72. Belt; 73. Motor; 74. Driven roller;

[0060] 8. Frame; 9. Fabric. DETAILED DESCRIPTION

[0061] The specific implementation of the present invention will be described below in conjunction with the accompanying drawings.

[0062] Embodiment 1:

[0063] like Figure 1-Figure 2 As shown, the tubular cloth cutting machine of this embodiment includes: an automatic cutting mechanism 5, a conveying mechanism 7, a first pressure roller assembly 3 and a material straightening assembly 2.

[0064] An automatic cutting mechanism 5 for cutting cloth 9;

[0065] The conveying mechanism 7 is arranged at the feeding port of the automatic cutting mechanism 5;

[0066] The first pressing roller assembly 3 is arranged above the feeding end of the conveying mechanism 7, and the first pressing roller assembly 3 cooperates with the conveying mechanism 7 to provide conveying power;

[0067] The material-forming assembly 2 is fixedly arranged at one side of the feeding end of the conveying mechanism 7 and is used to guide and stretch the cloth 9 so that the cross section of the cloth 9 is in a straight line shape and enters between the conveying mechanism 7 and the first pressure roller assembly 3 .

[0068] The cloth 9 is tubular and has a certain length, and can continuously convey the cut and segmented materials. The tubular cross-section direction of the cloth 9 has a certain elasticity, such as a wool fabric. Figure 2 The dot-dash line indicates the conveying direction and position of the cloth 9 .

[0069] The material straightening assembly 2 is stretched out from the inside of the tubular cloth 9, twisting the twisted cloth 9 in the reverse direction to a straightened state, so that the cross-section of the cloth 9 is in a straight line shape and enters between the conveying mechanism 7 and the first pressure roller assembly 3, ensuring that the cutting part of the automatic cutting mechanism 5 downstream of the conveying mechanism 7 is flush.

[0070] like Figure 2 As shown, the conveying mechanism 7 includes a motor 73 installed on the frame 8, and an active roller 71 and a driven roller 74 rotatably installed on the frame 8, and also includes a belt 72, which is sleeved outside the active roller 71 and the driven roller 74 and is in a tensioned state. The active roller 71 is located at the feed end of the conveying mechanism 7, and the driven roller 74 is located at the discharge end of the conveying mechanism 7.

[0071] like Figure 2 , Figure 7As shown, the structure of the first pressure roller assembly 3 includes a first shaft seat 33 and a first guide shaft 32 fixedly installed on the frame 8, the first shaft seat 33 is slidably connected to the first guide shaft 32, a fixed roller 34 is rotatably installed on the first shaft seat 33, the fixed roller 34 is located above the feed end of the conveying mechanism 7 and corresponds to the active roller 71, and also includes a fixed rod 31, one end of the fixed rod 31 is connected to the first shaft seat 33, and the other end of the fixed rod 31 is connected to the upper end of the first guide shaft 32, the fixed rod 31 is used to adjust the distance between the fixed roller 34 and the conveying surface of the conveying mechanism 7 to a suitable position and fix it.

[0072] The first pressure roller assembly 3 presses the cloth 9 downward toward the conveying surface of the conveying mechanism 7, and the fixed roller 34 rolls as the conveying surface of the conveying mechanism 7 moves backward. The first pressure roller assembly 3 and the conveying surface of the conveying mechanism 7 simultaneously apply friction force from the upper and lower planes of the cloth 9, thereby applying tension to the cloth 9, so that the cloth 9 can smoothly pass through the material assembly 2 and enter between the conveying mechanism 7 and the first pressure roller assembly 3, and continue to be conveyed downward to the automatic cutting mechanism 5.

[0073] The automatic cutting mechanism 5 includes a moving frame 51 slidably mounted on the frame 8, a cutting knife 52 is mounted on the moving frame 51, and a cylinder 53 is fixedly mounted on the frame 8. The output end of the cylinder 53 is transmission-connected to the moving frame 51 to drive the moving frame 51 to rise and fall, thereby realizing the automatic cutting function.

[0074] By arranging a material-forming assembly 2 on one side of the feeding end of the conveying mechanism 7, the cloth 9 is guided and stretched so that the cross section of the cloth 9 is in a straight line shape when entering the subsequent conveying and cutting process, thereby preventing the cloth 9 from entering the cutting process in a twisted state, thereby enabling the tubular cloth to be accurately cut, reducing labor costs, and improving material utilization and the service life of the cutting equipment.

[0075] like Figure 2-Figure 6 As shown, the structure of the monolithic component 2 includes a fixing frame 23 , an internal guide cylinder 24 , an external stopper 22 and an internal straight guide 21 .

[0076] The fixing frame 23 is fixedly mounted on the frame 8 of the conveying mechanism 7;

[0077] The outer wall of the inner guide cylinder 24 matches the inner cylinder size of the cloth 9 and is used to stretch the cloth 9 so that the cloth 9 is in a cylindrical shape. The central axis of the inner guide cylinder 24 is arranged vertically.

[0078] The external limiting member 22 is disposed on the fixing frame 23, and limits the internal guide cylinder 24 in the horizontal direction and the vertical direction from the outer periphery of the internal guide cylinder 24. There is a gap between the external limiting member 22 and the internal guide cylinder 24, and the gap is used for passing the cloth 9;

[0079] The inner straight guide member 21 is disposed above the inner guide cylinder 24 and is used to open the cloth 9 from the inside of the cloth 9 so that the cross section of the cloth 9 is flat.

[0080] An internal guide cylinder 24 is arranged in the external limiting member 22 on the fixed frame 23. The external limiting member 22 supports and limits the internal guide cylinder 24 while maintaining a gap with the internal guide cylinder 24, so that the cloth 9 can be sleeved on the outside of the internal guide cylinder 24 for upward transportation, and the cloth 9 is guided and stretched into a cylindrical shape, so that the naturally drooping cloth 9 is straightened after passing through the internal guide cylinder 24, and then after passing through the straight guide member 21, the cloth 9 is stretched into a flat shape, so that the cross section of the cloth 9 is straight and enters between the conveying mechanism 7 and the first pressure roller assembly 3, which is convenient for subsequent stable transportation.

[0081] When the cloth 9 is being conveyed to the conveying mechanism 7, the first pressure roller assembly 3 and the conveying mechanism 7 provide pulling force, and the combined effect of the external limit member 22 limiting the internal guide cylinder 24 and the gravity of the internal guide cylinder 24 on the sliding cloth 9 provides tension for the cloth 9 during conveyance, thereby ensuring the stability of the I-shaped cross-section of the cloth 9.

[0082] like Figure 4 , Figure 6 As shown, the structure of the internal guide cylinder 24 is as follows: it includes an expanded section 242, the outer wall surface of the expanded section 242 is a cylindrical surface, and the diameter of the cylindrical surface is larger than the diameter of the cloth 9 in the natural state; it also includes a lower guide cone surface 243 located at the lower end of the expanded section 242, and an upper guide cone surface 241 located at the upper end of the expanded section 242; the lower guide cone surface 243 is an inverted cone surface, which is used to guide the cloth 9, so that the twisted cloth 9 is reversely twisted to a straightened state, and the upper guide cone surface 241 is used to shrink the cloth 9 to the natural state and then pass through the straight guide member 21.

[0083] The diameter of the cylindrical surface on the expansion section 242 is 1.1 to 1.2 times the diameter of the cloth 9 in its natural state. The lower end diameter of the lower guide cone 243 is less than or equal to the diameter of the cloth 9 in its natural state, and the upper end diameter of the upper guide cone 241 is less than or equal to the diameter of the cloth 9 in its natural state.

[0084] like Figure 3-Figure 6As shown, there are multiple external limit members 22, and the specific number is greater than or equal to three. The external limit members 22 are evenly distributed in an array with the central axis of the internal guide cylinder 24 as the center. The structure of each external limit member 22 is: it includes a bracket 222 connected to the fixed frame 23; the lower end of the bracket 222 is provided with a lower roller 224 that cooperates with the lower end of the internal guide cylinder 24, and the multiple lower rollers 224 support the internal guide cylinder 24 from the outer periphery of the lower end of the internal guide cylinder 24, and the above-mentioned gap exists between the lower rollers 224 and the internal guide cylinder 24; the upper end of the bracket 222 is provided with an upper roller 221 that cooperates with the upper end of the internal guide cylinder 24, and the multiple upper rollers 221 limit the vertical height of the internal guide cylinder 24 from the outer periphery of the upper end of the internal guide cylinder 24, and the above-mentioned gap exists between the upper rollers 221 and the internal guide cylinder 24.

[0085] The above-mentioned gap means that when cloth 9 passes outside the internal guide cylinder 24, the thickness of the cloth 9 is filled between the external limiter 22 and the internal guide cylinder 24, but when there is no cloth 9, that is, the cylindrical cloth cutting machine is not working, the internal guide cylinder 24 contacts with the lower roller 224 under the action of gravity.

[0086] like Figure 6 As shown, in the above structure of the external limit member 22, the lower roller 224 cooperates with the lower guide cone 243 on the internal guide cylinder 24, and the upper roller 221 cooperates with the upper guide cone 241 on the internal guide cylinder 24, so that the external limit member 22 limits the internal guide cylinder 24 horizontally and vertically from the outer periphery of the internal guide cylinder 24.

[0087] Preferably, the diameter of the cross section where the support point of the lower roller 224 corresponds to the internal guide cylinder 24 is greater than the diameter of the cloth 9 in the natural state, and the support point is located on the lower guide cone 243. When the lower guide cone 243 and the cloth 9 move relative to each other, the lower guide cone 243 guides and stretches the cloth from the inside of the cloth 9 until it is greater than the diameter of the cloth 9 in the natural state. In this process, the naturally drooping cloth 9 is straightened, and the lower roller 224 assists the cloth 9 to slide upward, and at the same time, the relative position of the cloth 9 and the internal guide cylinder 24 is positioned from multiple points outside the cloth 9 with a cylindrical cross section, so as to ensure the consistency of the texture direction of the cloth 9 passing through the stretching section 242.

[0088] In another embodiment, in order to facilitate the disassembly and installation of the external stopper 22 and the internal guide cylinder 24, as well as the adjustment of the gap, the installation structure of the external stopper 22 is further optimized. Figure 5 , Figure 6As shown, each external stopper 22 further includes a screw rod 223 threadedly connected to the fixing frame 23, the end of the screw rod 223 is detachably connected to the bracket 222, and further includes a guide rod 225, one end of the guide rod 225 is threadedly connected to the bracket 222, and the other end of the guide rod 225 is slidably connected to the fixing frame 23. There are two guide rods 225, which are respectively located at the upper and lower sides of the screw rod 223.

[0089] like Figure 5 As shown, the detachable connection structure between the end of the screw rod 223 and the bracket 222 includes a slot 2220 provided on the bracket 222, and a clamp 2230 provided at the end of the screw rod 223. The length direction of the slot 2220 is horizontal and both ends penetrate the bracket 222. The cross section of the slot 2220 is T-shaped. The clamp 2230 is a circular boss structure matched with the slot 2220. After the clamp 2230 slides from one end of the slot 2220 into the bottom of the slot 2220 and the guide rod 225 is installed in place, the screw rod 223 is detachably connected to the bracket 222. By adjusting the position of the screw rod 223 relative to the fixing frame 23, the distance between the bracket 222 and the internal guide cylinder 24 can be adjusted, thereby adjusting the above-mentioned gap. By adjusting the relative position of each bracket 222, the horizontal position of the internal guide cylinder 24 can be adjusted.

[0090] like Figure 4 As shown, the structure of the straight guide member 21 is as follows: it includes symmetrically arranged support rods 212, one end of the support rods 212 is fixedly connected to the internal guide cylinder 24, the other end of the support rods 212 is located at the upper end of the internal guide cylinder 24, and is provided with guide heads 211. The two guide heads 211 open the cloth 9 from the inside so that the cross section of the cloth 9 is flat. The guide heads 211 can be rollers rotatably mounted on the upper ends of the support rods 212.

[0091] When the cloth 9 with a flat cross section directly enters between the conveying mechanism 7 and the first pressure roller assembly 3 , the plane where the center planes of the two support rods 212 are located is coplanar with the vertical section of the conveying surface at the active roller 71 .

[0092] A hole adjustment block 213 is detachably installed in the internal guide cylinder 24, and a plurality of mounting holes are arranged on the hole adjustment block 213. The support rods 212 are detachably connected to the mounting holes. By selecting different mounting holes, the distance between the two support rods 212 can be adjusted, thereby adjusting the degree to which the cloth 9 is stretched.

[0093] Embodiment 2:

[0094] like Figure 1-Figure 4As shown, on the basis of embodiment 1, the tubular cloth cutting machine of this embodiment also includes a steering roller assembly 1, which is located above the feed end of the conveying mechanism 7 and above the whole material assembly 2. The steering roller assembly 1 is used to guide the cloth 9 passing through the whole material assembly 2, and change the conveying direction of the cloth 9 so that the cross-section of the cloth 9 is in a straight line shape and then enters between the conveying mechanism 7 and the first pressure roller assembly 3.

[0095] A specific implementation method, such as Figure 1 As shown, the deflection roller assembly 1 is located between the monolithic assembly 2 and the guide roller assembly 4 .

[0096] Exemplarily, the structure of the steering roller assembly 1 includes a steering roller base 12 fixedly connected to the frame 8, and a steering roller shaft 11 is rotatably mounted on the steering roller base 12. The vertical section of the steering roller shaft 11 is coplanar with the plane where the center planes of the two support rods 212 are located. The number of the steering roller shafts 11 can be two, which are arranged side by side in the horizontal direction.

[0097] The cloth 9 is conveyed upward through the material-forming assembly 2, enters the steering roller assembly 1, and is then conveyed downward to the feed end of the conveying mechanism 7, so that there is a longitudinal space between the material-forming assembly 2 and the conveying mechanism 7, so that the cloth 9, which has been flattened under a certain tension, can be fully straightened into a straight line in a conveying space, avoiding the swing of the cloth 9 during the conveying process, facilitating the stable conveying of the conveying mechanism 7 process and ensuring the cutting accuracy.

[0098] The distance between the two support rods 212 allows the cloth 9 to be stretched to a natural state or a certain degree of tensile deformation (the width of the straight line is slightly larger than the natural width). Preferably, it has a certain tensile deformation so that the straight line state of the cloth 9 is more stable when it enters the conveying mechanism 7.

[0099] Further, if Figure 2 , Figure 7 As shown, a guide roller assembly 4 is arranged between the steering roller assembly 1 and the feed end of the conveying mechanism 7. The structure of the guide roller assembly 4 includes a guide roller base 41 fixedly mounted on the frame 8 of the conveying mechanism 7, a guide roller shaft 42 is rotatably mounted on the guide roller base 41, and a first limit block 43 and a second limit block 44 are axially spaced apart on the guide roller shaft 42. The first limit block 43 and the second limit block 44 are used to guide and limit the cloth 9 with a straight line shape in cross section.

[0100] The steering roller assembly 1 further straightens the cloth 9 before the feeding end of the conveying mechanism 7 and provides a limiting structure to prevent the cloth 9 from deviating before entering the conveying mechanism 7, thereby ensuring the cutting accuracy.

[0101] Embodiment three:

[0102] During the conveying and cutting process, the tail end of the entire cloth 9 may be insufficient in length. Usually, manual detection is used to remove the insufficient length segment, and the waste cannot be collected quickly and in time.

[0103] Based on the above embodiments, Figure 7 , Figure 8 As shown, this embodiment also includes a second pressure roller assembly 6. The structure of the second pressure roller assembly 6 includes a movable roller 63 and a second shaft seat 62 located above the discharge end of the conveying mechanism 7. The movable roller 63 is rotatably mounted on the second shaft seat 62. A second guide shaft 61 is fixedly mounted on the frame 8 of the conveying mechanism 7. The second shaft seat 62 is slidably mounted on the second guide shaft 61. The movable roller 63 is located above the cloth 9 and is held up by the cloth 9. It also includes a sensor 64 for detecting the height of the second shaft seat 62.

[0104] The movable roller 63 can be lifted and lowered vertically along the second guide shaft 61 under the action of external force. The sensor 64 is installed on the frame 8 and can be a distance sensor for detecting the height position of the second shaft seat 62. The sensor 64 is triggered when the movable roller 63 falls directly on the conveying surface of the conveying mechanism 7. At this time, the material section conveyed to the downstream of the conveying mechanism 7 is waste.

[0105] A freely rising and falling movable roller 63 is arranged above the cloth 9 at the discharge end of the conveying mechanism 7, so that the cloth 9 is lifted up when passing through the movable roller 63 and the conveying mechanism 7. Since the cutting length is related to the step-by-step conveying time interval of the conveying mechanism 7, when the movable roller 63 falls due to the absence of cloth 9 underneath within a step-by-step conveying time interval, the sensor 64 can remind that the material section cut this time is waste. The detection mechanism has a simple structure and timely and sensitive feedback.

[0106] Embodiment 4:

[0107] like Figure 2 , Figure 7-Figure 8 As shown, the method for cutting and conveying tubular cloth of this embodiment, using the tubular cloth cutting machine of the third embodiment, comprises the following steps:

[0108] The material assembly 2 is used to guide the cloth 9 from the inside to expand it into a cylindrical shape, and the cloth 9 is transported from bottom to top, so that the cloth 9 in a twisted state at the lower end of the material assembly 2 is reversely twisted to a straightened state;

[0109] After the straightened cloth 9 passes through the upper end of the straightening assembly 2, the cloth 9 is stretched out and changes from a cylindrical shape to a flat shape;

[0110] The cloth 9 in a flat state is conveyed to the automatic cutting mechanism 5 downstream of the conveying mechanism 7 under the pulling force of the feeding end of the conveying mechanism 7 and is cut;

[0111] A movable roller 63 is arranged above the discharge port of the conveying mechanism 7. The movable roller 63 is freely pressed down on the cloth 9 and rotates freely with the conveyance of the cloth 9. When the automatic cutting mechanism 5 completes the cutting action, when it is detected that the distance between the movable roller 63 and the conveying surface of the conveying mechanism 7 is less than the set value, it is judged that the currently cut material section is waste, and the downstream conveying line is prompted to transfer the waste to the waste area.

[0112] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. Any form of modification may be made within the scope of protection of the present invention.

Claims

1. A cylindrical cloth cutting machine, characterized in that: include: An automatic cutting mechanism (5) for cutting the cloth (9); A conveying mechanism (7) is arranged at the feed inlet of the automatic cutting mechanism (5); A first pressing roller assembly (3) is arranged above the feeding end of the conveying mechanism (7), and the first pressing roller assembly (3) cooperates with the conveying mechanism (7) to provide conveying power; The material-forming assembly (2) is fixedly arranged on one side of the feeding end of the conveying mechanism (7) and is used to guide and stretch the cloth (9) so that the cross section of the cloth (9) is in a straight line shape and enters between the conveying mechanism (7) and the first pressure roller assembly (3).

2. The cylindrical cloth cutting machine according to claim 1, characterized in that: The structure of the monolithic component (2) comprises: A fixed frame (23), wherein the fixed frame (23) is fixedly mounted on a frame (8) of the conveying mechanism (7); an internal guide cylinder (24), the outer wall of which matches the inner cylinder size of the cloth (9), and is used to spread the cloth (9) so that the cloth (9) is in a cylindrical shape, and the central axis of the internal guide cylinder (24) is arranged in the vertical direction; an external limiting member (22) disposed on the fixing frame (23) and used to limit the internal guide cylinder (24) in the horizontal direction and in the vertical direction from the outer periphery of the internal guide cylinder (24); a gap is provided between the external limiting member (22) and the internal guide cylinder (24), and the gap is used for passing the cloth (9); An internal straight guide member (21) is arranged above the internal guide tube (24) and is used to open the cloth (9) from the inside of the cloth (9) so that the cross section of the cloth (9) is flat.

3. The cylindrical cloth cutting machine according to claim 2, characterized in that: The structure of the inner guide cylinder (24) is as follows: It comprises an expansion section (242), the outer wall surface of the expansion section (242) is a cylindrical surface, and the diameter of the cylindrical surface is larger than the diameter of the cloth (9) in a natural state; It also includes a lower guide cone surface (243) located at the lower end of the expansion section (242), and an upper guide cone surface (241) located at the upper end of the expansion section (242); The lower guide conical surface (243) is an inverted conical surface, used to guide the cloth (9) so that the cloth (9) in a twisted state is reversely twisted to a straightened state, and the upper guide conical surface (241) is used to shrink the cloth (9) to a natural state before passing through the straight guide member (21).

4. The cylindrical cloth cutting machine according to claim 2, characterized in that: The number of the external limiting members (22) is multiple and they are evenly distributed in an array with the central axis of the internal guide cylinder (24) as the center. The structure of each external limiting member (22) is as follows: comprising a bracket (222) connected to the fixing frame (23); The lower end of the bracket (222) is provided with a lower roller (224) matched with the lower end of the internal guide cylinder (24), and a plurality of lower rollers (224) support the internal guide cylinder (24) from the outer periphery of the lower end of the internal guide cylinder (24), and there is the gap between the lower roller (224) and the internal guide cylinder (24); An upper roller (221) is provided at the upper end of the bracket (222) and cooperates with the upper end of the internal guide cylinder (24). The plurality of upper rollers (221) limit the vertical height of the internal guide cylinder (24) from the outer periphery of the upper end of the internal guide cylinder (24), and a gap is provided between the upper roller (221) and the internal guide cylinder (24).

5. The cylindrical cloth cutting machine according to claim 4, characterized in that: Each external limiting member (22) further comprises a screw rod (223) threadedly connected to the fixing frame (23), the end of the screw rod (223) being detachably connected to the bracket (222), and further comprises a guide rod (225), one end of the guide rod (225) being threadedly connected to the bracket (222), and the other end of the guide rod (225) being slidably connected to the fixing frame (23).

6. The cylindrical cloth cutting machine according to claim 2, characterized in that: The structure of the straight guide member (21) is as follows: The invention comprises symmetrically arranged support rods (212), one end of which is fixedly connected to the internal guide cylinder (24), the other end of which is located at the upper end of the internal guide cylinder (24) and is provided with a guide head (211), and the two guide heads (211) support the cloth (9) from the inside so that the cross section of the cloth (9) is flat.

7. The cylindrical cloth cutting machine according to claim 1, characterized in that: The invention also comprises a steering roller assembly (1), wherein the steering roller assembly (1) is located above the feed end of the conveying mechanism (7) and above the material assembly (2), and the steering roller assembly (1) is used to guide the cloth (9) passing through the material assembly (2) and change the conveying direction of the cloth (9) so that the cross section of the cloth (9) is in the shape of a straight line and enters between the conveying mechanism (7) and the first pressure roller assembly (3).

8. The cylindrical cloth cutting machine according to claim 7, characterized in that: A guide roller assembly (4) is arranged between the steering roller assembly (1) and the feeding end of the conveying mechanism (7). The structure of the guide roller assembly (4) comprises a guide roller base (41) fixedly mounted on a frame (8) of the conveying mechanism (7), a guide roller shaft (42) being rotatably mounted on the guide roller base (41), a first limit block (43) and a second limit block (44) being arranged on the guide roller shaft (42) at intervals along the axial direction, the first limit block (43) and the second limit block (44) being used for guiding and limiting the cloth (9) having a straight-line shape in cross section.

9. The cylindrical cloth cutting machine according to claim 1, characterized in that: The invention also comprises a second pressing roller assembly (6), the structure of which comprises a movable roller (63) and a second shaft seat (62) located above the discharge end of the conveying mechanism (7), the movable roller (63) being rotatably mounted on the second shaft seat (62), a second guide shaft (61) being fixedly mounted on the frame (8) of the conveying mechanism (7), the second shaft seat (62) being slidably mounted on the second guide shaft (61), the movable roller (63) being located above the cloth (9) and being held up by the cloth (9), and a sensor (64) for detecting the height of the second shaft seat (62) is also included.

10. A method for cutting and conveying tubular cloth, characterized in that: The following steps are involved: The material assembly (2) is used to guide the fabric (9) from the inside of the fabric (9) to expand it into a cylindrical shape, and the fabric (9) is transported from bottom to top, so that the fabric (9) in a twisted state at the lower end of the material assembly (2) is reversely twisted to a straightened state; After the cloth (9) in a straightened state passes through the upper end of the material-aligning assembly (2), the cloth (9) is stretched out and changes from a cylindrical state to a flat state; The cloth (9) in a flat state is conveyed to the automatic cutting mechanism (5) downstream of the conveying mechanism (7) under the pulling force of the feeding end of the conveying mechanism (7) and is cut; A movable roller (63) is arranged above the material outlet of the conveying mechanism (7). The movable roller (63) freely presses down on the cloth (9) and freely rotates with the conveying of the cloth (9). When the automatic cutting mechanism (5) completes the cutting action and detects that the distance between the movable roller (63) and the conveying surface of the conveying mechanism (7) is less than a set value, it is determined that the material section currently being cut is waste material, and the downstream conveying line is prompted to transfer the waste material to the waste material area.

Images