A new type of tarpaulin cutting device

Abstract

The utility model discloses a novel tarpaulin cutting device, comprising a first base and a second base, wherein a first cutting knife assembly and a second cutting knife assembly are arranged at intervals on the upper side of the first base, the first cutting knife assembly and the third cutting knife assembly are arranged symmetrically, and the second assembly and the fourth assembly are arranged symmetrically, the first cutting knife assembly comprises a first bracket, a first cutting knife motor with an output shaft which is detachably arranged on the first bracket, a first active cutting knife, a first connecting shaft detachably arranged on the first bracket, and a first driven cutting knife rotatably sleeved on the first connecting shaft, the first active cutting knife is detachably connected to the output shaft of the first cutting knife motor, the first active cutting knife is located below the first driven cutting knife, the first bracket is slidably connected to the first base, and the second bracket is detachably connected to the first base. The utility model has a good shearing effect, can shear multiple tarpaulins at the same time, improves production efficiency, and can slide the first cutting knife assembly or the third cutting knife assembly to adjust the shearing width.

Description

Technical Field

[0001] The utility model relates to the technical field of cutters, in particular to a novel tarpaulin cutter device. Background Art

[0002] Tarpaulins are relatively wide and need to be cut with a cutter before being made into various products, such as parasols, outdoor canopies, etc. The existing workshop solution is for workers to operate simple cutting knives for cutting, which is time-consuming and labor-intensive, with low production efficiency and large deviation in cutting size.

[0003] Or, for example, the Chinese utility model patent CN216999009U discloses a "A tarpaulin cutting device", which solves the problem of fixing the tarpaulin, but the cutter in the above technical solution is in the form of a sheet, and the shearing method is to cut the tarpaulin vertically downward. In actual use, if the tarpaulin is tough or not tightened, the cutter cannot cut the tarpaulin when cutting downward, or the cutting may cause problems such as pulling lines and large size deviations. Therefore, a new technical solution is urgently needed to solve at least one of the above technical problems. Summary of the invention

[0004] The utility model aims to provide a novel tarpaulin cutting device, which can rotate and cut the tarpaulin with good cutting effect, cut multiple tarpaulins at the same time, improve production efficiency, and can slide the first cutting knife component or the third cutting knife component to adjust the cutting width.

[0005] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the utility model is: a new tarpaulin cutting device, characterized in that it includes a first base and a second base that are symmetrically arranged, a first cutting knife assembly and a second cutting knife assembly are arranged at intervals on the upper side of the first base, a third cutting knife assembly and a fourth cutting knife assembly are arranged at intervals on the second base, the first cutting knife assembly is symmetrically arranged with the third cutting knife assembly, and the second assembly is symmetrically arranged with the fourth assembly;

[0006] The first cutter assembly includes a first bracket, a first cutter motor with an output shaft detachably arranged on the first bracket, a first active cutter, a first connecting shaft detachably arranged on the first bracket, and a first driven cutter rotatably sleeved on the first connecting shaft, the first active cutter is detachably connected to the output shaft of the first cutter motor, the first active cutter is located below the first driven cutter and cooperates with the first driven cutter, the second cutter assembly includes a second cutter assembly includes a second bracket, a second cutter motor with an output shaft detachably arranged on the second bracket, a second active cutter, a second connecting shaft detachably arranged on the second bracket, and a second driven cutter rotatably sleeved on the second connecting shaft, the second active cutter is detachably connected to the output shaft of the second cutter motor, the second active cutter is located below the second driven cutter and cooperates with the second driven cutter, the second active cutter is detachably connected to the output shaft of the second cutter motor, the first bracket is slidably connected to the first base, and the second bracket is detachably connected to the first base.

[0007] As a preferred technical solution, the first bracket includes a first bottom plate, a first vertical plate vertically arranged on the first bottom plate, and a first connecting plate horizontally inserted in the upper part of the first vertical plate, and the first connecting shaft is threadedly connected to the first connecting plate; the second bracket includes a second bottom plate, a second vertical plate vertically arranged on the second bottom plate, and a second connecting plate horizontally inserted in the upper part of the second vertical plate, and the second connecting shaft is threadedly connected to the second connecting plate.

[0008] As a preferred technical solution, a first locking sleeve is screwed onto one end of the first connecting shaft away from the first driven cutter, and a second locking sleeve is screwed onto one end of the second connecting shaft away from the second driven cutter.

[0009] As a preferred technical solution, a first limiting portion is provided on the first connecting shaft, a second limiting portion is provided on the second connecting shaft, a first spring is provided between the first limiting portion and the first connecting plate, and a second spring is provided between the second limiting portion and the second connecting plate.

[0010] As a preferred technical solution, two guide rails are detachably provided on the upper side of the first base, a plurality of first sliders are provided on the lower side of the first bracket, a plurality of second sliders are provided on the lower side of the second bracket, the first sliders are slidably embedded in the guide rails, and the second sliders are detachably embedded in the guide rails.

[0011] As a preferred technical solution, a lead screw is rotatably inserted on the first base, a nut sleeve is provided on the lower side of the first bracket, the lead screw is passed through the nut sleeve and is threadedly connected to the nut sleeve, a movable groove is provided on the upper side of the first base along its length direction, the movable groove vertically penetrates the first base, and the first nut sleeve is arranged in the movable groove.

[0012] As a preferred technical solution, a first support plate and a second support plate are respectively provided at two ends of the first base, and a third support plate and a fourth support plate are respectively provided at two ends of the first base.

[0013] As a preferred technical solution, a rotating wheel is detachably provided at one end of the lead screw.

[0014] As a preferred technical solution, the first driven cutter, the first active cutter, the second active cutter and the second driven cutter are circular, the first driven cutter is provided with a first driven blade on its outer edge, the first active cutter is provided with a first active blade on its outer edge, the second driven cutter is provided with a second driven blade on its outer edge, the second active cutter is provided with a second active blade on its outer edge, the engaging surface between the first active blade and the first driven blade is a slope, and the engaging surface between the second active blade and the second driven blade is a slope.

[0015] As a preferred technical solution, the engagement width between the first active blade and the first driven blade is 3mm-5mm, and the engagement width between the second active blade and the second driven blade is 3mm-5mm.

[0016] The beneficial effects of the utility model are:

[0017] 1) Taking the first cutter assembly as an example, the first cutter motor drives the first active cutter to rotate. When the tarpaulin is between the first active cutter and the first driven cutter, the first active cutter can drive the first driven cutter to rotate to shear the tarpaulin and cut the tarpaulin. The rotary shearing effect is good, and the four cutter assemblies can cut multiple tarpaulins at the same time, with high production efficiency. The first cutter assembly and the third cutter assembly can both slide to adjust the cutting width, with good production flexibility;

[0018] 2) The first bracket and the second bracket have simple structures, open spaces, and are not prone to interference;

[0019] 3) The first locking sleeve can adjust the distance between the first driven cutter and the first active cutter to meet the shearing requirements of tarpaulins of different thicknesses;

[0020] 4) The first spring and the second spring have a buffering effect, respectively making the first driven cutter and the second driven cutter have a knife jumping function to prevent the cutter from being damaged due to obstruction of tarpaulin shearing;

[0021] 5) The slider and guide rail have good guidance and high movement stability;

[0022] 6) The nut sleeve and the lead screw cooperate to form a threaded transmission with good movement stability;

[0023] 7) The first support plate and the second support plate support the first base to improve overall stability;

[0024] 8) The runner is easy to operate and has high production efficiency;

[0025] 9) The beveled surface of the bite has a better shearing effect on the tarpaulin;

[0026] 10) If the bite width is greater than 5mm, cutting will be difficult. If the bite width is less than 3mm, the cutting efficiency will be low. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural diagram of a device of an embodiment provided by the utility model;

[0028] Figure 2 It is a structural diagram of a first cutter assembly and a second cutter assembly according to an embodiment of the utility model;

[0029] Figure 3 yes Figure 1 Left view of;

[0030] Figure 4 It is a top view of a first base according to an embodiment of the utility model.

[0031] exist Figure 1-Figure 4 1. first base; 101. movable slot; 2. second base; 3. first bracket; 301. first bottom plate; 302. first vertical plate; 303. first connecting plate; 4. second bracket; 401. second bottom plate; 402. second vertical plate; 403. second connecting plate; 5. first cutter motor; 6. first active cutter; 601. first active blade; 7. first driven cutter; 701. first driven blade; 8. second cutter motor; 9. second active cutter; 901. second active blade; 10. second driven blade Cutter; 1001, second driven blade; 11, first connecting shaft; 1101, first limiting portion; 12, second connecting shaft; 1201, second limiting portion; 13, first locking sleeve; 14, second locking sleeve; 15, first spring; 16, second spring; 17, guide rail; 18, first slider; 19, second slider; 20, lead screw; 21, nut sleeve; 22, first support plate; 23, second support plate; 24, third support plate; 25, fourth support plate; 26, rotating wheel; 27, transmission roller; 28, tarpaulin. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings.

[0033] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "head", "tail", "top", "bottom", "left", "right", "front", "back", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] See also Figure 1-Figure 4 One embodiment of the utility model provides a novel tarpaulin cutting device, comprising a symmetrically arranged first base 1 and a second base 2, wherein a first cutting knife assembly and a second cutting knife assembly are arranged at intervals on the upper side of the first base 1, and a third cutting knife assembly (not marked) and a fourth cutting knife assembly (not marked) are arranged at intervals on the second base 2, the first cutting knife assembly and the third cutting knife assembly are arranged symmetrically, and the second assembly and the fourth assembly are arranged symmetrically, the first cutting knife assembly comprises a first bracket 3, a first cutting knife motor 5 with an output shaft detachably arranged on the first bracket 3, a first active cutting knife 6, a first connecting shaft 11 detachably arranged on the first bracket 3, and a first driven cutting knife 7 rotatably sleeved on the first connecting shaft 11, the first active cutting knife 6 is detachably connected to the output shaft of the first cutting knife motor 5, and the first active cutting knife 6 is detachably connected to the output shaft of the first cutting knife motor 5. The movable cutter 6 is located below the first driven cutter 7 and cooperates with the first driven cutter 7. The second cutter assembly includes a second bracket 4, a second cutter motor 8 with an output shaft detachably arranged on the second bracket 4, a second active cutter 9, a second connecting shaft 12 detachably arranged on the second bracket 4, and a second driven cutter 10 rotatably sleeved on the second connecting shaft 12. The second active cutter 9 is detachably connected to the output shaft of the second cutter motor 8. The second active cutter 9 is located below the second driven cutter 10 and cooperates with the second driven cutter 10. The second active cutter 9 is detachably connected to the output shaft of the second cutter motor 8. The first bracket 3 is slidably connected to the first base 1, and the second bracket 4 is detachably connected to the first base 1.

[0035] Taking the first cutter assembly as an example, the first cutter motor 5 drives the first active cutter 6 to rotate, and the tarpaulin 28 is tensioned and transmitted through multiple transmission rollers 27. When the tarpaulin 28 is between the first active cutter 6 and the first driven cutter 7, the first active cutter 6 can drive the first driven cutter 7 to rotate to shear the tarpaulin 28, and the tarpaulin 28 is cut off. The rotary shearing effect is good, and the four cutter assemblies can cut multiple tarpaulins 28 at the same time, with high production efficiency. The first cutter assembly and the third cutter assembly can both slide to adjust the cutting width, and the production flexibility is good.

[0036] like Figure 1-Figure 4 As shown, in some embodiments, the first bracket 3 includes a first bottom plate 301, a first vertical plate 302 vertically arranged on the first bottom plate 301, and a first connecting plate 303 horizontally inserted on the upper part of the first vertical plate 302, the first connecting shaft 11 is threadedly connected to the first connecting plate 303, the second bracket 4 includes a second bottom plate 401, a second vertical plate 402 vertically arranged on the second bottom plate 401, and a second connecting plate 403 horizontally inserted on the upper part of the second vertical plate 402, the second connecting shaft 12 is threadedly connected to the second connecting plate 403, the first bracket 3 and the second bracket 4 have a simple structure, an open space, and are not easy to interfere.

[0037] Furthermore, a first locking sleeve 13 is rotatably provided at one end of the first connecting shaft 11 away from the first driven cutter 7, and a second locking sleeve 14 is rotatably provided at one end of the second connecting shaft 12 away from the second driven cutter 10. Taking the first driven cutter 7 as an example, the first locking sleeve 13 is rotated to adjust the distance between the first driven cutter 7 and the first active cutter 6, and the operation is performed according to the thickness of the tarpaulin 28, so that tarpaulins 28 of different thicknesses can be cut.

[0038] like Figure 1-Figure 4 As shown, in some embodiments, a first limiting portion 1101 is provided on the first connecting shaft 11, a second limiting portion 1201 is provided on the second connecting shaft 12, a first spring 15 is provided between the first limiting portion 1101 and the first connecting plate 303, a second spring 16 is provided between the second limiting portion 1201 and the second connecting plate 403, a first spring 15 is provided between the first limiting portion 1101 and the first connecting plate 303, and a second spring 16 is provided between the second limiting portion 1201 and the second connecting plate 403, the first spring 15 and the second spring 16 have a buffering effect, so that the first driven cutter 7 and the second driven cutter 10 respectively have a knife jumping function to prevent the cutter from being damaged due to the shearing obstruction of the tarpaulin 28.

[0039] like Figure 1-Figure 4As shown, in some embodiments, two guide rails 17 are detachably provided on the upper side of the first base 1, a plurality of first sliders 18 are provided on the lower side of the first bracket 3, and a plurality of second sliders 19 are provided on the lower side of the second bracket 4. The first sliders 18 are slidably embedded in the first guide rails 17, and the second sliders 19 are detachably embedded in the guide rails 17. The sliders and the guide rails 17 have good guiding coordination and high movement stability.

[0040] like Figure 1-Figure 4 As shown, in some embodiments, a lead screw 20 is rotatably inserted on the first base 1, a nut sleeve 21 is provided on the lower side of the first bracket 3, the lead screw 20 is passed through the nut sleeve 21 and is threadedly connected with the nut sleeve 21, a movable groove 101 is provided on the upper side of the first base 1 along its length direction, the movable groove 101 vertically penetrates the first base 1, the first nut sleeve 21 is arranged in the movable groove 101, the lead screw 20 is rotated, the nut sleeve 21 moves in the movable groove 101, the nut sleeve 21 and the lead screw 20 cooperate to form a threaded transmission, and the movement stability is good.

[0041] like Figure 1-Figure 4 As shown, in some embodiments, a first support plate 22 and a second support plate 23 are respectively provided at both ends of the first base 1, and a third support plate 24 and a fourth support plate 25 are respectively provided at both ends of the first base 1. The first support plate 22 and the second support plate 23 support the first base 1, and the third support plate 24 and the fourth support plate 25 support the second base 2, thereby improving the overall stability.

[0042] like Figure 1-Figure 4 As shown, in some of the embodiments, a rotating wheel 26 is detachably provided at one end of the lead screw 20, and the rotating wheel 26 is easy to operate and has high production efficiency.

[0043] like Figure 1-Figure 4 As shown, in some embodiments, the first driven cutter 7, the first active cutter 6, the second active cutter 9 and the second driven cutter 10 are circular, the first driven cutter 7 is provided with a first driven blade 701 on the outer edge, the first active cutter 6 is provided with a first active blade 601 on the outer edge, the second driven cutter 10 is provided with a second driven blade 1001 on the outer edge, and the second active cutter 9 is provided with a second active blade 901 on the outer edge. The occlusal surface of the first active blade 601 and the first driven blade 701 is an inclined surface, and the occlusal surface of the second active blade 901 and the second driven blade 1001 is an inclined surface. The inclined surface has a better shearing effect on the tarpaulin 28.

[0044] like Figure 1-Figure 4As shown, in some embodiments, the engagement width between the first active blade 601 and the first driven blade 701 is 3mm-5mm, and the engagement width between the second active blade 901 and the second driven blade 1001 is 3mm-5mm. If the engagement width is greater than 5mm, the tarpaulin 28 is prone to wrinkling and difficult to cut. If the engagement width is less than 3mm, the cutting efficiency is low and it is difficult to cut the tarpaulin 28.

[0045] The above embodiments are merely descriptions for clearly illustrating the present invention, and are not limitations on the implementation methods. For technicians in the relevant field, other different forms of changes or modifications can be made based on the above descriptions. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.

Claims

1. A new tarpaulin cutting device, characterized in that: The invention comprises a first base and a second base which are symmetrically arranged, wherein a first cutter assembly and a second cutter assembly are arranged at intervals on the upper side of the first base, and a third cutter assembly and a fourth cutter assembly are arranged at intervals on the second base, wherein the first cutter assembly is symmetrically arranged with the third cutter assembly, and the second cutter assembly is symmetrically arranged with the fourth cutter assembly; The first cutter assembly includes a first bracket, a first cutter motor with an output shaft detachably arranged on the first bracket, a first active cutter, a first connecting shaft detachably arranged on the first bracket, and a first driven cutter rotatably sleeved on the first connecting shaft, the first active cutter is detachably connected to the output shaft of the first cutter motor, the first active cutter is located below the first driven cutter and cooperates with the first driven cutter, the second cutter assembly includes a second cutter assembly includes a second bracket, a second cutter motor with an output shaft detachably arranged on the second bracket, a second active cutter, a second connecting shaft detachably arranged on the second bracket, and a second driven cutter rotatably sleeved on the second connecting shaft, the second active cutter is located below the second driven cutter and cooperates with the second driven cutter, the second active cutter is detachably connected to the output shaft of the second cutter motor, the first bracket is slidably connected to the first base, and the second bracket is detachably connected to the first base.

2. The novel tarpaulin cutting device according to claim 1 is characterized in that: The first bracket includes a first bottom plate, a first vertical plate vertically arranged on the first bottom plate, and a first connecting plate horizontally inserted in the upper part of the first vertical plate, and the first connecting shaft is threadedly connected to the first connecting plate. The second bracket includes a second bottom plate, a second vertical plate vertically arranged on the second bottom plate, and a second connecting plate horizontally inserted in the upper part of the second vertical plate, and the second connecting shaft is threadedly connected to the second connecting plate.

3. The novel tarpaulin cutting device according to claim 1 is characterized in that: A first locking sleeve is rotatably provided at one end of the first connecting shaft away from the first driven cutter, and a second locking sleeve is rotatably provided at one end of the second connecting shaft away from the second driven cutter.

4. The novel tarpaulin cutting device according to claim 2 is characterized in that: A first limiting portion is provided on the first connecting shaft, a second limiting portion is provided on the second connecting shaft, a first spring is provided between the first limiting portion and the first connecting plate, and a second spring is provided between the second limiting portion and the second connecting plate.

5. The novel tarpaulin cutting device according to claim 1 is characterized in that: Two guide rails are detachably provided on the upper side of the first base, a plurality of first sliders are provided on the lower side of the first bracket, a plurality of second sliders are provided on the lower side of the second bracket, the first sliders are slidably embedded in the guide rails, and the second sliders are detachably embedded in the guide rails.

6. The novel tarpaulin cutting device according to claim 5 is characterized in that: A lead screw is rotatably inserted on the first base, a nut sleeve is provided on the lower side of the first bracket, the lead screw is passed through the nut sleeve and is threadedly connected with the nut sleeve, a movable groove is provided on the upper side of the first base along its length direction, the movable groove vertically penetrates the first base, and the nut sleeve is arranged in the movable groove.

7. The novel tarpaulin cutting device according to claim 1 is characterized in that: A first support plate and a second support plate are respectively disposed at two ends of the first base, and a third support plate and a fourth support plate are respectively disposed at two ends of the first base.

8. The novel tarpaulin cutting device according to claim 6 is characterized in that: A rotating wheel is detachably provided at one end of the lead screw.

9. The novel tarpaulin cutting device according to claim 1 is characterized in that: The first driven cutter, the first active cutter, the second active cutter and the second driven cutter are circular, the first driven cutter is provided with a first driven blade on its outer edge, the first active cutter is provided with a first active blade on its outer edge, the second driven cutter is provided with a second driven blade on its outer edge, the second active cutter is provided with a second active blade on its outer edge, the engaging surface between the first active blade and the first driven blade is a slope, and the engaging surface between the second active blade and the second driven blade is a slope.

10. The novel tarpaulin cutting device according to claim 9 is characterized in that: The engagement width between the first active blade and the first driven blade is 3mm-5mm, and the engagement width between the second active blade and the second driven blade is 3mm-5mm.

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