Leather slitting device

Abstract

The leather slitting device comprises a heating box, a conveying assembly, a flattening assembly, a slitting assembly and an adjusting assembly, the conveying assembly comprises a conveying frame, a plurality of conveying rollers and a conveying table, the conveying frame penetrates through the heating box, each conveying roller is pivoted to the conveying frame, and the conveying table is connected with the discharging end of the heating box; the flattening assembly, the slitting assembly and the adjusting assembly are sequentially installed on the conveying table, the flattening assembly is installed at the end, close to the heating box, of the conveying table, the flattening assembly comprises a first flattening roller and a second flattening roller, and the first flattening roller and the second flattening roller are matched to flatten leather; the slitting assembly comprises a bearing roller, a rotating shaft and a plurality of cutters, the cutters are installed on the rotating shaft, and the bearing roller and the cutters are matched to cut leather; the adjusting assembly comprises a first adjusting roller and a second adjusting roller, and the first adjusting roller and the second adjusting roller are matched to press the leather strip. The leather slitting device can prevent leather from shifting during cutting, and the cutting precision is improved.

Description

Technical Field

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

[0002] In the leather case production process, leather is generally cut by a slitting machine. For example, the Chinese patent with the announcement number CN220034543U discloses a leather slitting machine, which includes a leather slitting machine body, the inner wall of the leather slitting machine body is provided with a flattening mechanism, the outer wall of the leather slitting machine body is fixedly connected to a first motor, the top of the leather slitting machine body is fixedly connected to a side plate, the outer wall of the side plate is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a round rod, the outer wall of the round rod is sleeved with a circular cutting knife, and the inner wall of the circular cutting knife is threadedly connected with a bolt. By driving the threaded rod to rotate, the threaded rod drives the sliding frame to move, and the sliding frame drives the rotating drum to move. After the rotating drum moves, the distance between the rotating drum and the heating drum is adjusted, thereby facilitating the flattening of leather of different thicknesses. The leather strip is placed on the heating drum, and the external power supply of the first motor is turned on. When the first motor is working, it drives the heating drum to rotate, and the heating drum cooperates with the rotating drum to flatten the leather strip. However, the lack of a tensioning mechanism makes it easy to offset during cutting, affecting the dimensional accuracy. Utility Model Content

[0003] Based on this, it is necessary to provide a leather slitting device that improves cutting size accuracy in order to solve the above problems.

[0004] A leather slitting device comprises a heating box, a conveying assembly, a flattening assembly, a strip cutting assembly and an adjusting assembly, the conveying assembly comprises a conveying frame, a conveying roller and a conveying platform, the conveying frame passes through the heating box, there are multiple conveying rollers, each of which is pivotally connected to the conveying frame, and the conveying platform is connected to the discharge end of the heating box; the flattening assembly, the strip cutting assembly and the adjusting assembly are sequentially installed on the conveying platform, the flattening assembly is installed on one end of the conveying platform close to the heating box, the flattening assembly comprises a first flattening roller and a second flattening roller, the first flattening roller and the second flattening roller cooperate to flatten the leather; the strip cutting assembly comprises a bearing roller, a rotating shaft and a cutter, there are multiple cutters, each of which is installed on the rotating shaft, the bearing roller and the cutter cooperate to cut the leather; the adjusting assembly comprises a first adjusting roller and a second adjusting roller, the first adjusting roller and the second adjusting roller cooperate to press the leather strip.

[0005] In one embodiment, the heating box includes a box body and a heating element, and the heating element is installed in the box body; the conveying rack is arranged to be inclined upward toward the conveying platform.

[0006] In one embodiment, the conveying assembly further includes a bracket and a support rod, the bracket is mounted on an end of the box away from the conveying platform, the support rod is movably connected to the bracket, and the support rod is used to place the leather roll.

[0007] In one embodiment, the flattening assembly further includes a flattening seat, a slider and a flattening power element, the flattening seat is installed on the conveying platform, the first flattening roller is pivotally connected to the flattening seat, the slider is slidably mounted on the flattening seat, the second flattening roller is pivotally connected to the slider, the flattening power element is installed on the flattening seat, and the flattening power element is used to drive the slider to slide.

[0008] In one embodiment, the strip cutting assembly further includes a strip cutting seat, a lifting block, a lifting power element and a strip cutting power element. The strip cutting seat is installed on the conveying platform, the supporting roller is pivotally connected to the strip cutting seat, the lifting block is slidably arranged on the strip cutting seat, the rotating shaft is pivotally connected to the lifting block, the lifting power element is installed on the strip cutting seat, the lifting power element is used to drive the lifting block to slide, and the strip cutting power element is used to drive the rotating shaft to rotate.

[0009] In one embodiment, each of the cutters is slidably mounted on the rotating shaft.

[0010] In one embodiment, the adjustment assembly further includes an adjustment seat, an adjustment block and an adjustment power element, the adjustment seat is installed on the conveying platform, the first adjustment roller is pivotally connected to the adjustment seat, the adjustment block is slidably mounted on the adjustment seat, the second adjustment roller is pivotally connected to the adjustment block, the adjustment power element is installed on the adjustment seat, and the adjustment power element is used to drive the adjustment block to slide.

[0011] In one embodiment, the first flattening roller, the supporting roller and the first adjusting roller are located in the same plane.

[0012] In one embodiment, a cleaning component is further included, which includes an outer shell, an air pipe, a dust suction pipe and a waste discharge pipe. The outer shell is installed on the conveying rack, and the air pipe is installed in the outer shell. The air pipe is provided with a plurality of air holes; one end of the dust suction pipe is connected to the outer shell, and the other end is connected to the waste discharge pipe, and one end of the waste discharge pipe is connected to the vacuum cleaner.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The leather slitting device of the utility model flattens the heated leather by the first flattening roller and the second flattening roller, and the cutter cuts the leather, and the first regulating roller and the second regulating roller press the slit leather strips; the first flattening roller and the second flattening roller press one end of the leather, and the first regulating roller and the second regulating roller press the other end of the leather, so as to prevent the leather from shifting during cutting and improve the cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the assembly structure of a leather slitting device according to an embodiment of the present invention;

[0016] Figure 2 for Figure 1 A cross-sectional view of the heating box, conveyor frame, conveyor rollers and cleaning assembly in the leather slitting device shown;

[0017] Figure 3 for Figure 1 A schematic structural diagram of a first flattening roller and a second flattening roller in the leather slitting device shown;

[0018] Figure 4 for Figure 1 The diagram shows the structure of the supporting roller, rotating shaft and cutter in the leather slitting device.

[0019] The meanings of the numbers in the accompanying drawings are:

[0020] 100. Leather slitting device;

[0021] 10. Heating box; 11. Box body; 12. Heating element; 20. Conveying assembly; 21. Conveying rack; 22. Conveying roller; 23. Conveying platform; 24. Bracket; 25. Support rod; 30. Flattening assembly; 31. First flattening roller; 32. Second flattening roller; 33. Flattening seat; 34. Slider; 35. Flattening power element;

[0022] 40. Strip cutting assembly; 41. Carrying roller; 42. Rotating shaft; 43. Cutter; 44. Strip cutting seat; 45. Lifting block; 46. Lifting power element; 50. Adjusting assembly; 51. First adjusting roller; 52. Second adjusting roller; 53. Adjusting seat; 54. Adjusting block; 55. Adjusting power element; 60. Cleaning assembly; 61. Housing; 62. Air pipe; 63. Dust suction pipe; 64. Waste discharge pipe. DETAILED DESCRIPTION

[0023] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0029] Please refer to Figures 1 to 4 , is a leather slitting device 100 according to an embodiment of the utility model, comprising a heating box 10, a conveying assembly 20, a flattening assembly 30, a strip cutting assembly 40 and an adjusting assembly 50, wherein the conveying assembly 20 comprises a conveying frame 21, a conveying roller 22 and a conveying platform 23, wherein the conveying frame 21 passes through the heating box 10, and the conveying roller 22 is multiple, each of which is pivotally connected to the conveying frame 21, and the conveying platform 23 is connected to the discharge end of the heating box 10; the flattening assembly 30, the strip cutting assembly 40 and the adjusting assembly 50 are sequentially installed on the conveying platform 23, and the flattening assembly 30 Installed on one end of the conveying platform 23 close to the heating box 10, the flattening assembly 30 includes a first flattening roller 31 and a second flattening roller 32, and the first flattening roller 31 and the second flattening roller 32 cooperate to flatten the leather; the strip cutting assembly 40 includes a supporting roller 41, a rotating shaft 42 and a cutter 43, and there are multiple cutters 43, each of which is installed on the rotating shaft 42, and the supporting roller 41 and the cutter 43 cooperate to cut the leather; the adjusting assembly 50 includes a first adjusting roller 51 and a second adjusting roller 52, and the first adjusting roller 51 and the second adjusting roller 52 cooperate to press the leather strip. The leather slitting device 100 flattens the heated leather by the first flattening roller 31 and the second flattening roller 32, and the cutter 43 cuts the leather, and the first adjusting roller 51 and the second adjusting roller 52 press the slit leather strips; the first flattening roller 31 and the second flattening roller 32 press one end of the leather, and the first adjusting roller 51 and the second adjusting roller 52 press the other end of the leather, so as to prevent the leather from shifting during cutting and improve the cutting accuracy.

[0030] like Figure 1 and Figure 2 As shown, in this embodiment, the heating box 10 includes a box body 11 and a heating element 12, and the heating element 12 is installed in the box body 11; optionally, the heating element 12 is an electric heating tube.

[0031] Please also read Figure 1 and Figure 2 The conveying assembly 20 includes a conveying frame 21, conveying rollers 22, and a conveying platform 23. The conveying frame 21 passes through the heating box 10. There are multiple conveying rollers 22, each of which is pivotally connected to the conveying frame 21. The conveying platform 23 is connected to the discharge end of the heating box 10. Optionally, the conveying frame 21 is tilted upward toward the conveying platform 23 to stretch the leather. Furthermore, a sprocket is installed at one end of the conveying roller 22, and a chain belt connects the sprockets. The chain belt is driven by a motor to rotate, thereby driving the rotation of each conveying roller 22. This is a prior art. In one embodiment, the conveying assembly 20 also includes a bracket 24 and a support rod 25. The bracket 24 is installed at the end of the box 11 away from the conveying platform 23. The support rod 25 is movably connected to the bracket 24. The support rod 25 is used to place the leather roll.

[0032] like Figure 1 and Figure 3 As shown, the flattening assembly 30, the slitting assembly 40 and the adjusting assembly 50 are sequentially installed on the conveying platform 23, and the flattening assembly 30 is installed on one end of the conveying platform 23 close to the heating box 10; the flattening assembly 30 includes a first flattening roller 31 and a second flattening roller 32, and the first flattening roller 31 and the second flattening roller 32 cooperate to flatten the leather; optionally, the flattening assembly 30 also includes a flattening seat 33, a slider 34 and a flattening power element 35, the flattening seat 33 is installed on the conveying platform 23, the first flattening roller 31 is pivotally connected to the flattening seat 33, the slider 34 is slidably arranged on the flattening seat 33, and the second flattening roller 32 is pivotally connected to the flattening seat 33. On the slider 34, the flattening power element 35 is installed on the flattening seat 33, and the flattening power element 35 is used to drive the slider 34 to slide; the slider 34 is driven to slide by the flattening power element 35, thereby adjusting the gap between the second flattening roller 32 and the first flattening roller 31 to adapt to leather of different thicknesses; further, there are two flattening seats 33, sliders 34 and flattening power elements 35, and they correspond one to one, and the two flattening seats 33 are respectively installed on both sides of the conveying platform 23, and the two ends of the first flattening roller 31 are respectively pivoted to the two flattening seats 33, and the two ends of the second flattening roller 32 are respectively pivoted to the two sliders 34; in one embodiment, the flattening power element 35 is a cylinder.

[0033] like Figure 1 and Figure 4As shown, the cutting assembly 40 includes a supporting roller 41, a rotating shaft 42 and a cutter 43. There are multiple cutters 43, each of which is installed on the rotating shaft 42. The supporting roller 41 and the cutter 43 cooperate to cut the leather; each cutter 43 is slidably mounted on the rotating shaft 42 to adjust the spacing between adjacent cutters 43. The strip cutting assembly 40 also includes a strip cutting seat 44, a lifting block 45, a lifting power element 46 and a strip cutting power element (not shown in the figure). The strip cutting seat 44 is installed on the conveying platform 23, the supporting roller 41 is pivotally connected to the strip cutting seat 44, the lifting block 45 is slidably arranged on the strip cutting seat 44, the rotating shaft 42 is pivotally connected to the lifting block 45, and the lifting power element 46 is installed on the strip cutting seat 44. The lifting power element 46 is used to drive the lifting block 45 to slide to adjust the distance between the cutter 43 and the supporting roller 41, which is suitable for leather of different thicknesses; the strip cutting power element is used to drive the rotating shaft 42 to rotate, and the strip cutting power element is installed on the lifting block 45; optionally, the strip cutting power element is a motor, which is a prior art.

[0034] like Figure 1 As shown, the adjustment assembly 50 includes a first adjustment roller 51 and a second adjustment roller 52. The first adjustment roller 51 and the second adjustment roller 52 cooperate to press the leather strip. The adjustment assembly 50 also includes an adjustment seat 53, an adjustment block 54, and an adjustment power element 55. The adjustment seat 53 is mounted on the conveyor 23. The first adjustment roller 51 is pivotally connected to the adjustment seat 53. The adjustment block 54 is slidably mounted on the adjustment seat 53. The second adjustment roller 52 is pivotally connected to the adjustment block 54. The adjustment power element 55 is mounted on the adjustment seat 53. The adjustment power element 55 is used to drive the adjustment block 54 to slide, so as to adjust the distance between the second adjustment roller 52 and the first adjustment roller 51 to accommodate leather of different thicknesses. In one embodiment, the first flattening roller 31, the supporting roller 41, and the first adjustment roller 51 are located on the same plane.

[0035] like Figure 1 and Figure 2 As shown, the leather slitting device 100 also includes a cleaning component 60, which includes a shell 61, an air pipe 62, a dust suction pipe 63 and a waste pipe 64. The shell 61 is installed on the conveying rack 21 near the feed port of the box body 11, and the air pipe 62 is installed in the shell 61. The air pipe 62 is provided with a plurality of air holes to blow air toward the leather to blow away the dust on the leather; one end of the dust suction pipe 63 is connected to the shell 61, and the other end is connected to the waste pipe 64. One end of the waste pipe 64 is connected to a vacuum cleaner to extract dust from the shell 61; optionally, there are multiple dust suction pipes 63.

[0036] During use, a leather roll is placed on the support rod 25. One end of the leather passes through the conveyor roller 22, the first flattening roller 31, the supporting roller 41, and the first regulating roller 51. Air is blown toward the leather through the air pipe 62 to remove dust from the leather, which is then discharged through the dust suction pipe 63 and the exhaust pipe 64. The cleaned leather enters the heating box 10 for heating. Next, the heated leather is flattened by the first and second flattening rollers 31 and 32. After that, the cutter 43 cuts the leather. The first and second flattening rollers 31 and 32 press one end of the leather, while the first and second regulating rollers 51 and 52 press the other end of the leather, preventing the leather from shifting during cutting and improving cutting accuracy.

[0037] The leather slitting device 100 of the present invention flattens the heated leather by the first flattening roller 31 and the second flattening roller 32, and the cutter 43 cuts the leather, and the first adjusting roller 51 and the second adjusting roller 52 press the slit leather strips; the first flattening roller 31 and the second flattening roller 32 press one end of the leather, and the first adjusting roller 51 and the second adjusting roller 52 press the other end of the leather, so as to prevent the leather from shifting during cutting and improve the cutting accuracy.

[0038] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A leather cutting device, characterized in that: It includes a heating box, a conveying component, a flattening component, a strip cutting component and an adjusting component. The conveying component includes a conveying frame, a conveying roller and a conveying platform. The conveying frame passes through the heating box. There are multiple conveying rollers, each of which is pivotally connected to the conveying frame. The conveying platform is connected to the discharge end of the heating box; the flattening component, the strip cutting component and the adjusting component are sequentially installed on the conveying platform. The flattening component is installed on one end of the conveying platform close to the heating box. The flattening component includes a first flattening roller and a second flattening roller, and the first flattening roller and the second flattening roller cooperate to flatten the leather; the strip cutting component includes a bearing roller, a rotating shaft and a cutter. There are multiple cutters, each of which is installed on the rotating shaft. The bearing roller and the cutter cooperate to cut the leather; the adjusting component includes a first adjusting roller and a second adjusting roller, and the first adjusting roller and the second adjusting roller cooperate to press the leather strip.

2. The leather cutting device according to claim 1, characterized in that: The heating box includes a box body and a heating element, and the heating element is installed in the box body; the conveying frame is arranged upwardly and tilted toward the conveying platform.

3. The leather cutting device according to claim 2, characterized in that: The conveying assembly further comprises a bracket and a support rod. The bracket is mounted on one end of the box away from the conveying platform. The support rod is movably connected to the bracket. The support rod is used for placing the leather roll.

4. The leather cutting device according to claim 1, characterized in that: The flattening assembly also includes a flattening seat, a slider and a flattening power element. The flattening seat is installed on the conveying platform, the first flattening roller is pivotally connected to the flattening seat, the slider is slid on the flattening seat, the second flattening roller is pivotally connected to the slider, and the flattening power element is installed on the flattening seat. The flattening power element is used to drive the slider to slide.

5. The leather slitting device according to claim 1, characterized in that: The strip cutting assembly also includes a strip cutting seat, a lifting block, a lifting power element and a strip cutting power element. The strip cutting seat is installed on the conveying platform, the supporting roller is pivotally connected to the strip cutting seat, the lifting block is slidably arranged on the strip cutting seat, the rotating shaft is pivotally connected to the lifting block, and the lifting power element is installed on the strip cutting seat. The lifting power element is used to drive the lifting block to slide, and the strip cutting power element is used to drive the rotating shaft to rotate.

6. The leather slitting device according to claim 5, characterized in that: Each of the cutters is slidably mounted on the rotating shaft.

7. The leather slitting device according to claim 1, characterized in that: The adjustment assembly also includes an adjustment seat, an adjustment block and an adjustment power element. The adjustment seat is installed on the conveying platform. The first adjustment roller is pivotally connected to the adjustment seat. The adjustment block is slidably mounted on the adjustment seat. The second adjustment roller is pivotally connected to the adjustment block. The adjustment power element is installed on the adjustment seat. The adjustment power element is used to drive the adjustment block to slide.

8. The leather slitting device according to claim 1, characterized in that: The first flattening roller, the supporting roller and the first adjusting roller are located in the same plane.

9. The leather slitting device according to claim 1, characterized in that: It also includes a cleaning component, which includes an outer shell, an air pipe, a dust suction pipe and a waste discharge pipe. The outer shell is installed on the conveying rack, and the air pipe is installed in the outer shell. The air pipe is provided with a plurality of air holes; one end of the dust suction pipe is connected to the outer shell, and the other end is connected to the waste discharge pipe, and one end of the waste discharge pipe is connected to the vacuum cleaner.

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