Automatic cutting mechanism

Abstract

The utility model provides an automatic cutting mechanism which comprises a supporting part, a cutting part and a cutting part. The wire pulling assembly is mounted on the base, and at least part of the wire pulling assembly is movably arranged so as to clamp one end of the rope body and pull the rope body to move; the rope pressing assembly is installed on the base, the rope pressing assembly and the rope pulling assembly are arranged in a spaced mode, and at least part of the rope pressing assembly is movably arranged so as to be pressed at the preset position of the rope body; the height adjusting assembly is mounted at the top of the rack and is at least partially movably arranged; the rotary bending assembly is located between the wire pulling assembly and the wire pressing assembly, and the height adjusting assembly is in driving connection with the rotary bending assembly; the bending device is at least partially movably arranged to bend the cut rope body; and the thread trimming assembly is installed on the base, located on the side, close to the thread pulling assembly, of the thread pressing assembly and spaced from the thread pulling assembly, and at least part of the thread trimming assembly is movably arranged to trim the rope body, so that the problems that in the prior art, the automation degree and the working efficiency are low in the mode that the mask thread is pulled and trimmed manually are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mask production, and in particular to an automatic cutting mechanism. Background Art

[0002] In the production process of medical supplies, the mask thread needs to be cut. In the past, the thread was pulled and cut manually, and the thread needed to be manually placed on the platform. However, this method easily resulted in inconsistent cutting lengths, and long working hours would cause the workers to be physically unable to bear it, and their work efficiency was low. Utility Model Content

[0003] The main purpose of the utility model is to provide an automatic cutting mechanism to solve the problems of low automation and work efficiency in the prior art of manually pulling and cutting the mask thread.

[0004] In order to achieve the above-mentioned purpose, the utility model provides an automatic cutting mechanism for cutting a rope body, and the automatic cutting mechanism comprises: a supporting part, the supporting part comprises a base and a frame, and the base and the frame are both arranged on a supporting base surface; a wire pulling assembly, the wire pulling assembly is installed on the base, and at least a part of the wire pulling assembly is movably arranged to clamp one end of the rope body and pull the rope body to move; a wire pressing assembly, the wire pressing assembly is installed on the base and is spaced apart from the wire pressing assembly, and at least a part of the wire pressing assembly is movably arranged to press at a predetermined position of the rope body; a height adjustment assembly, the height adjustment assembly is installed on the top of the frame , at least part of the height adjustment component is movably arranged in a direction perpendicular to the supporting base surface; the rotary bending component, the rotary bending component is located between the wire pulling component and the wire pressing component, the height adjustment component is drivingly connected to the rotary bending component to adjust the height of the rotary bending component; at least part of the rotary bending component is movably arranged to clamp the rope body and bend the cut rope body; the wire cutting component is installed on the base, the wire cutting component is located on the side of the wire pressing component close to the wire pulling component and is spaced apart from the wire pulling component, and at least part of the wire cutting component is movably arranged to cut the rope body.

[0005] Furthermore, the base includes a bottom plate and a guide rail arranged on the bottom plate, and the wire pulling assembly, the wire cutting assembly and the wire pressing assembly are arranged at intervals along the extension direction of the guide rail; the frame includes: a plurality of first connecting rods, the plurality of first connecting rods extend along the first direction and are arranged at intervals along the second direction; a plurality of second connecting rods, the plurality of second connecting rods extend along the second direction and are arranged at intervals along the first direction, each second connecting rod is connected to the plurality of first connecting rods and is located on the side of the plurality of first connecting rods away from the supporting base surface; a plurality of columns, the plurality of columns are arranged on the supporting base surface at intervals, the plurality of first connecting rods are located on the side of the plurality of columns away from the supporting base surface, and each first connecting rod is connected to a part of the plurality of columns; wherein the first direction and the second direction are perpendicular to each other and are parallel to the supporting base surface, and the columns are perpendicular to the supporting base surface.

[0006] Furthermore, the height adjustment assembly includes: a height cylinder mounting plate, the height cylinder mounting plate is connected to the second connecting rod and is located on the side of the second connecting rod away from the supporting base surface; a height adjustment cylinder, the cylinder body of the height adjustment cylinder is connected to the height cylinder mounting plate and is located on the side of the height cylinder mounting plate away from the supporting base surface; a rotary bending assembly connecting frame, the rotary bending assembly connecting frame is located below the height cylinder mounting plate, the rotary bending assembly is installed on the rotary bending assembly connecting frame, and the piston rod of the height adjustment cylinder is drivingly connected to the rotary bending assembly connecting frame to drive the rotary bending assembly connecting frame to drive the rotary bending assembly to perform lifting and lowering movements.

[0007] Furthermore, the height adjustment assembly includes: a linear bearing, which is mounted on a height cylinder mounting plate; a guide rod, one end of which is fixedly connected to a rotary bending assembly connecting frame, and the other end of the guide rod passes through the linear bearing and reaches a side of the height cylinder mounting plate away from the supporting base surface, so as to be slidably connected to the height cylinder mounting plate through the linear bearing.

[0008] Furthermore, the rotary bending assembly includes: a rotary driving unit, a driving body of the rotary driving unit being connected to a rotary bending assembly connecting frame; two transmission assemblies, the two transmission assemblies being spaced apart along a first direction, and the driving component of the rotary driving unit being drivingly connected to both transmission assemblies; two bending cylinders, the two transmission assemblies being drivingly connected to the cylinder bodies of the two bending cylinders respectively, and the multiple bending pneumatic fingers of the bending cylinders can move towards or away from each other to clamp or release the rope body.

[0009] Furthermore, the rotary driving part is a slide cylinder, and each transmission component includes: a rack, the rack extends along the second direction, the piston rod of the slide cylinder is drivingly connected to the rack to drive the rack to move along the second direction, a gear, the gear and the rack are meshed with each other and are located on the side of the rack away from the other transmission component; a gear connecting shaft, the gear is rotatably connected to the rotary bending component connecting frame through the gear connecting shaft, and the gear is fixedly connected to the cylinder body of the corresponding bending cylinder through the gear connecting shaft.

[0010] Further, the wire pulling assembly includes: a length control cylinder, the cylinder body of the length control cylinder is connected to the bottom plate; a wire pulling cylinder, the piston rod of the length control cylinder is connected to the cylinder body of the wire pulling cylinder, and the multiple wire pulling pneumatic fingers of the wire pulling cylinder can move closer to or away from each other to clamp or release the rope body. Further, the base includes a first slider, the first slider is slidably connected to the guide rail, and the cylinder body of the wire pulling cylinder is fixedly connected to the first slider; and / or the wire pulling assembly includes two hydraulic buffers, both of which are installed on the bottom plate and are respectively arranged at the front end and the rear end of the movement direction of the wire pulling cylinder, so as to contact with the cylinder body of the wire pulling cylinder to buffer and stop the movement of the wire pulling cylinder along the first direction.

[0011] Furthermore, the base includes a second slider, which is slidably connected to the guide rail; the wire cutting assembly includes: a scissors cylinder, the cylinder body of the scissors cylinder and the second slider can be relatively fixedly arranged; two scissor blades and a scissor blade connecting shaft, the two scissor blades are cross-arranged and the middle parts of the two scissor blades are hinged through the scissor blade connecting shaft, the two air claws of the scissors cylinder can move towards or away from each other and are respectively connected to the two scissor blades to drive the two scissor blades to perform cutting action; a connecting shaft mounting frame, the scissor blade connecting shaft is fixedly connected to the second slider through the connecting shaft mounting frame.

[0012] Furthermore, the base includes a second slider, which is slidably connected to the guide rail; the wire pressing assembly includes: a clamping cylinder mounting plate, which is mounted on the second slider; a clamping cylinder, whose cylinder body is fixedly connected to the clamping cylinder mounting plate; a first clamping block, which is mounted on the base plate and located between the clamping cylinder and the base plate; a second clamping block, which is located on the side of the first clamping block away from the supporting base surface, and the piston rod of the clamping cylinder is drivingly connected to the second clamping block to drive the second clamping block to move in a direction approaching or away from the first clamping block to clamp the rope body on the first clamping block or release the rope body.

[0013] Furthermore, the base includes a second slider, which is slidably connected to the guide rail; the automatic cutting mechanism also includes a wire assembly, at least part of which is installed on the second slider and is located on the side of the wire pressing assembly away from the wire pulling assembly to guide the rope body before reaching the wire pressing assembly.

[0014] Furthermore, the wire assembly includes: a first wire board, the first wire board is installed on the first connecting rod, and a first avoidance hole for the rope body to pass through is provided on the first wire board; a wire mounting plate, the wire mounting plate is installed on the second slider; a second wire board, the second wire board is installed on the wire mounting plate, and a second avoidance hole for the rope body to pass through is provided on the second wire board; a plurality of wire wheels, the plurality of wire wheels are arranged on the wire mounting plate at intervals; wherein the first wire board, the second wire board and the plurality of wire wheels are arranged in sequence along the movement direction of the rope body.

[0015] Furthermore, there are multiple wire pulling assemblies, which are arranged at intervals on the base; there are multiple wire pressing assemblies, which are arranged at intervals on the base and are arranged one-to-one with the multiple wire pulling assemblies; there are multiple height adjustment assemblies, which are arranged at intervals on the top of the frame and are arranged one-to-one with the multiple wire pulling assemblies; there are multiple rotary bending assemblies, which are drive-connected to the multiple rotary bending assemblies in a one-to-one correspondence, and the multiple rotary bending assemblies are arranged one-to-one with the multiple wire pulling assemblies; there are multiple wire cutting assemblies, which are arranged at intervals on the base and are arranged one-to-one with the multiple wire pulling assemblies.

[0016] The technical solution of the utility model is applied, and the automatic cutting mechanism of the utility model is used for cutting a rope body. The automatic cutting mechanism comprises: a support part, the support part comprises a base and a frame, and the base and the frame are both arranged on the support base surface; a wire pulling assembly, the wire pulling assembly is installed on the base, and at least a part of the wire pulling assembly is movably arranged to clamp one end of the rope body and pull the rope body to move; a wire pressing assembly, the wire pressing assembly is installed on the base and is spaced apart from the wire pressing assembly, and at least a part of the wire pressing assembly is movably arranged to press at a predetermined position of the rope body; a height adjustment assembly, the height adjustment assembly is installed on the top of the frame , at least part of the height adjustment component is movably arranged in a direction perpendicular to the supporting base surface; the rotary bending component, the rotary bending component is located between the wire pulling component and the wire pressing component, and the height adjustment component is connected to the rotary bending component to adjust the height of the rotary bending component; at least part of the rotary bending component is movably arranged to clamp the rope body and bend the cut rope body; the wire cutting component, the wire cutting component is installed on the base, the wire cutting component is located on the side of the wire pressing component close to the wire pulling component and is spaced from the wire pulling component, and at least part of the wire cutting component is movably arranged to cut the rope body. In this way, the automatic cutting mechanism of the utility model can realize the automatic cutting of rope bodies such as mask lines, promote the development of the medical supplies production industry, solve the problem of low automation and work efficiency of the prior art method of manually pulling and cutting the mask line, and reduce the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A schematic structural diagram of an automatic cutting mechanism according to an embodiment of the utility model in one direction is shown;

[0019] Figure 2Shows Figure 1 A partial enlarged view of the automatic cutting mechanism shown;

[0020] Figure 3 Shows Figure 1 A schematic structural diagram of an embodiment of the automatic cutting mechanism shown in another direction;

[0021] Figure 4 Shows Figure 1 A top view of the automatic cutting mechanism shown;

[0022] Figure 5 Shows Figure 1 A front view of the automatic cutting mechanism shown;

[0023] Figure 6 Shows Figure 1 A side view of the automatic cutting mechanism shown;

[0024] Figure 7 Shows Figure 6 A cross-sectional view of the automatic cutting mechanism shown.

[0025] The above drawings include the following reference numerals:

[0026] 1. Support part; 10. Bottom plate; 11. First connecting rod; 12. Second connecting rod; 13. Post; 14. Guide rail; 15. First slider; 16. Second slider; 17. Slider stopper;

[0027] 2. Height adjustment assembly; 21. Height adjustment cylinder; 22. First floating joint; 23. Rotary bending assembly connecting frame; 24. Linear bearing; 25. Installation space; 26. Guide rod; 27. Height cylinder mounting plate;

[0028] 3. Rotary bending assembly; 31. Rotary drive unit; 32. Cylinder connecting plate; 33. Gear; 34. Rack; 35. Cylinder limit block; 36. Rotary bearing; 37. Gear connecting shaft; 38. Bending pneumatic finger; 39. Bending cylinder;

[0029] 4. Wire assembly; 41. First wire board; 42. Second wire board; 43. Wire wheel; 44. Wire mounting plate;

[0030] 5. Wire drawing assembly; 51. Cylinder bracket; 52. Length control cylinder; 53. Wire drawing cylinder; 54. Cylinder magnetic switch; 55. Second floating joint; 56. Hydraulic buffer; 57. Wire drawing pneumatic finger;

[0031] 6. Thread trimmer assembly; 61. Scissor cylinder; 62. Air claw; 63. Scissor blade mounting bearing; 64. Scissor blade; 65. Scissor blade connecting shaft; 66. Scissor cylinder connecting seat; 67. Connecting shaft mounting bracket;

[0032] 7. Wire pressing assembly; 71. Pressing cylinder; 72. First pressing block; 73. Second pressing block; 74. Pressing cylinder mounting plate. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] like Figures 1 to 7 As shown, the utility model provides an automatic cutting mechanism for cutting a rope body, and the automatic cutting mechanism comprises: a support part 1, the support part 1 comprises a base and a frame, and the base and the frame are both arranged on a support base surface; a wire pulling assembly 5, the wire pulling assembly 5 is installed on the base, and at least a part of the wire pulling assembly 5 is movably arranged to clamp one end of the rope body and pull the rope body to move; a wire pressing assembly 7, the wire pressing assembly 7 is installed on the base and is spaced apart from the wire pressing assembly 5, and at least a part of the wire pressing assembly 7 is movably arranged to press at a predetermined position of the rope body; a height adjustment assembly 2, the height adjustment assembly 2 is installed on the top of the frame, and the height adjustment At least a portion of the component 2 is movably arranged in a direction perpendicular to the supporting base surface; a rotary bending component 3, the rotary bending component 3 is located between the wire pulling component 5 and the wire pressing component 7, and the height adjustment component 2 is drivingly connected to the rotary bending component 3 to adjust the height of the rotary bending component 3; at least a portion of the rotary bending component 3 is movably arranged to clamp the rope body and bend the cut rope body; a wire cutting component 6, the wire cutting component 6 is installed on the base, the wire cutting component 6 is located on the side of the wire pressing component 7 close to the wire pulling component 5 and is spaced apart from the wire pulling component 5, and at least a portion of the wire cutting component 6 is movably arranged to cut the rope body.

[0035] In this way, the automatic cutting mechanism of the utility model can realize automatic cutting of ropes such as mask lines, promote the development of the medical supplies production industry, solve the problems of low automation and work efficiency of the prior art method of manually pulling and cutting the mask lines, and reduce the labor intensity of workers.

[0036] Specifically, the rope body is a hanging rope on the mask for hanging on a person's ear.

[0037] like Figures 1 to 7As shown, the base includes a bottom plate 10 and a guide rail 14 arranged on the bottom plate 10, and the wire pulling assembly 5, the wire cutting assembly 6 and the wire pressing assembly 7 are arranged at intervals along the extension direction of the guide rail 14; the frame includes: a plurality of first connecting rods 11, the plurality of first connecting rods 11 extend along the first direction and are arranged at intervals along the second direction; a plurality of second connecting rods 12, the plurality of second connecting rods 12 extend along the second direction and are arranged at intervals along the first direction, each second connecting rod 12 is connected to the plurality of first connecting rods 11 and is located on the side of the plurality of first connecting rods 11 away from the supporting base surface; a plurality of columns 13, the plurality of columns 13 are arranged at intervals on the supporting base surface, the plurality of first connecting rods 11 are located on the side of the plurality of columns 13 away from the supporting base surface, and each first connecting rod 11 is connected to a part of the plurality of columns 13; wherein the first direction and the second direction are perpendicular to each other and are parallel to the supporting base surface, and the column 13 is perpendicular to the supporting base surface.

[0038] like Figures 1 to 7 As shown, the height adjustment component 2 includes: a height cylinder mounting plate 27, which is connected to the second connecting rod 12 and is located on the side of the second connecting rod 12 away from the supporting base surface; a height adjustment cylinder 21, the cylinder body of the height adjustment cylinder 21 is connected to the height cylinder mounting plate 27 and is located on the side of the height cylinder mounting plate 27 away from the supporting base surface; a rotary bending component connecting frame 23, which is located below the height cylinder mounting plate 27, and the rotary bending component 3 is installed on the rotary bending component connecting frame 23, and the piston rod of the height adjustment cylinder 21 is drivingly connected to the rotary bending component connecting frame 23 to drive the rotary bending component connecting frame 23 to drive the rotary bending component 3 to perform lifting and lowering movements.

[0039] Preferably, the height-adjusting cylinder 21 is an adjustable-stroke cylinder, and the movement of the height-adjusting cylinder 21 can be applied to mask platforms of various heights.

[0040] like Figures 1 to 7 As shown, the height adjustment component 2 includes: a linear bearing 24, which is mounted on a height cylinder mounting plate 27; a guide rod 26, one end of which is fixedly connected to the rotary bending component connecting frame 23, and the other end of the guide rod 26 passes through the linear bearing 24 and reaches the side of the height cylinder mounting plate 27 away from the supporting base surface, so as to be slidably connected to the height cylinder mounting plate 27 through the linear bearing 24.

[0041] Specifically, the height adjustment assembly 2 includes a first floating joint 22 , and the piston rod of the height adjustment cylinder 21 is fixedly connected to the height cylinder mounting plate 27 via the first floating joint 22 .

[0042] like Figures 1 to 7As shown, the rotary bending assembly 3 includes: a rotary driving part 31, the driving body of the rotary driving part 31 is connected to the rotary bending assembly connecting frame 23; two transmission assemblies, the two transmission assemblies are arranged at intervals along the first direction, and the driving component of the rotary driving part 31 is drivingly connected to the two transmission assemblies; two bending cylinders 39, the two transmission assemblies are respectively drivingly connected to the cylinder bodies of the two bending cylinders 39, and the multiple bending pneumatic fingers 38 of the bending cylinders 39 can move towards or away from each other to clamp or release the rope body.

[0043] like Figures 1 to 7 As shown, the rotary drive portion 31 is a slide cylinder, and each transmission component includes: a rack 34, the rack 34 extends along the second direction, the piston rod of the slide cylinder is driven and connected to the rack 34 to drive the rack 34 to move along the second direction, a gear 33, the gear 33 and the rack 34 are meshed with each other and are located on the side of the rack 34 away from another transmission component; a gear connecting shaft 37, the gear 33 is rotatably connected to the rotary bending component connecting frame 23 through the gear connecting shaft 37, and the gear 33 is fixedly connected to the cylinder body of the corresponding bending cylinder 39 through the gear connecting shaft 37.

[0044] In this way, the two racks 34 are pushed to move by the rotating drive unit 31 to drive the two gears 33 to rotate in the opposite direction, thereby driving the two bending cylinders 39 to rotate in the opposite direction, thereby realizing the opposite rotation of the bending pneumatic fingers 38 of the two bending cylinders 39, so as to bend the rope body clamped by the bending pneumatic fingers 38 of the two bending cylinders 39 into a "U" shape.

[0045] like Figures 1 to 7 As shown, the rotary bending assembly 3 includes a cylinder connecting plate 32 , and the rotary driving part 31 is fixedly connected to the rotary bending assembly connecting frame 23 via the cylinder connecting plate 32 .

[0046] like Figures 1 to 7 As shown, the rotary bending assembly 3 includes a rotary bearing 36 , and the gear connecting shaft 37 is rotatably connected to the rotary bending assembly connecting frame 23 via the rotary bearing 36 .

[0047] like Figures 1 to 7 As shown, the rotary bending assembly 3 includes a cylinder limit block 35, which is mounted on the rotary bending assembly connecting frame 23 and is located at the front side and / or rear side of the piston rod of the slide cylinder to limit the movement stroke of the piston rod of the slide cylinder.

[0048] Specifically, the rotary bending assembly connecting frame 23 includes an installation space 25 , and part of the rotary bending assembly 3 is located in the installation space 25 .

[0049] like Figures 1 to 7As shown, the wire pulling assembly 5 includes: a length control cylinder 52, the cylinder body of the length control cylinder 52 is connected to the bottom plate 10; a wire pulling cylinder 53, the piston rod of the length control cylinder 52 is connected to the cylinder body of the wire pulling cylinder 53, and the multiple wire pulling pneumatic fingers 57 of the wire pulling cylinder 53 can move closer to or away from each other to clamp or release the rope body. Further, the base includes a first slider 15, the first slider 15 is slidably connected to the guide rail 14, and the cylinder body of the wire pulling cylinder 53 is fixedly connected to the first slider 15; and / or the wire pulling assembly 5 includes two hydraulic buffers 56, both of which are installed on the bottom plate 10 and are respectively arranged at the front end and the rear end of the movement direction of the wire pulling cylinder 53, so as to contact with the cylinder body of the wire pulling cylinder 53 to buffer and stop the movement of the wire pulling cylinder 53 along the first direction.

[0050] In this way, the wire pulling assembly 5 drives the wire pulling cylinder 53 to move through the length control cylinder 52 so as to stretch the rope body to a fixed length.

[0051] like Figures 1 to 7 As shown, the wire pulling assembly 5 includes two cylinder brackets 51 , one end of the cylinder body of the length control cylinder 52 is connected to the base plate 10 through one cylinder bracket 51 , and one end of the cylinder body of the length control cylinder 52 is connected to the supporting base surface through another cylinder bracket 51 .

[0052] like Figures 1 to 7 As shown, a cylinder magnetic switch 54 is provided on the length control cylinder 52 for receiving a signal of the length control cylinder 52 .

[0053] Specifically, the wire pulling assembly 5 includes a transition connecting plate and a second floating joint 55, the transition connecting plate is fixedly connected to the cylinder body of the first slider 15 and the wire pulling cylinder 53, and the piston rod of the length control cylinder 52 is fixedly connected to the transition connecting plate through the second floating joint 55 to drive the first slider 15 and the wire pulling cylinder 53 to move through the transition connecting plate.

[0054] like Figures 1 to 7 As shown, the base includes a second slider 16, which is slidably connected to the guide rail 14; the thread trimming assembly 6 includes: a scissor cylinder 61, the cylinder body of the scissor cylinder 61 and the second slider 16 can be relatively fixedly arranged; two scissor blades 64 and a scissor blade connecting shaft 65, the two scissor blades 64 are cross-arranged and the middle parts of the two scissor blades 64 are hinged by the scissor blade connecting shaft 65, the two air claws 62 of the scissor cylinder 61 can move towards or away from each other and are respectively connected to the two scissor blades 64 to drive the two scissor blades 64 to perform cutting action; a connecting shaft mounting frame 67, the scissor blade connecting shaft 65 is fixedly connected to the second slider 16 through the connecting shaft mounting frame 67.

[0055] like Figures 1 to 7As shown, the thread trimmer assembly 6 includes: a scissor cylinder connecting seat 66, one end of the scissor cylinder connecting seat 66 is connected to the cylinder body of the scissor cylinder 61, and the other end of the scissor cylinder connecting seat 66 is connected to the second slider 16.

[0056] like Figures 1 to 7 As shown, the thread trimmer assembly 6 includes: two scissor blade mounting bearings 63, and two air claws 62 of the scissor cylinder 61 are hinged to two scissor blades 64 through the two scissor blade mounting bearings 63 respectively.

[0057] like Figures 1 to 7 As shown, the base includes a slider limiting portion 17 , which is fixedly connected to the guide rail 14 , and is located on a side of the second slider 16 away from the first slider 15 to limit and stop the movement of the second slider 16 .

[0058] like Figures 1 to 7 As shown, the base includes a second slider 16, which is slidably connected to the guide rail 14; the wire pressing assembly 7 includes: a clamping cylinder mounting plate 74, which is mounted on the second slider 16; a clamping cylinder 71, the cylinder body of the clamping cylinder 71 is fixedly connected to the clamping cylinder mounting plate 74; a first clamping block 72, which is mounted on the base plate 10 and is located between the clamping cylinder 71 and the base plate 10; a second clamping block 73, which is located on the side of the first clamping block 72 away from the supporting base surface, and the piston rod of the clamping cylinder 71 is drivingly connected to the second clamping block 73 to drive the second clamping block 73 to move in a direction close to or away from the first clamping block 72 to clamp the rope body on the first clamping block 72 or release the rope body.

[0059] like Figures 1 to 7 As shown, the base includes a second slider 16, which is slidably connected to the guide rail 14; the automatic cutting mechanism also includes a wire assembly 4, at least part of which is installed on the second slider 16 and is located on the side of the wire pressing assembly 7 away from the wire pulling assembly 5 to guide the rope body before reaching the wire pressing assembly 7.

[0060] like Figures 1 to 7 As shown, the wire assembly 4 includes: a first wire plate 41, which is mounted on the first connecting rod 11 and is provided with a first avoidance hole for the rope to pass through; a wire mounting plate 44, which is mounted on the second slider 16; a second wire plate 42, which is mounted on the wire mounting plate 44 and is provided with a second avoidance hole for the rope to pass through; and a plurality of wire wheels 43, which are arranged at intervals on the wire mounting plate 44; wherein the first wire plate 41, the second wire plate 42 and the plurality of wire wheels 43 are arranged in sequence along the moving direction of the rope.

[0061] In this way, the movement and stop of the rope body are realized through the cooperation between the wire assembly 4 and the wire pressing assembly 7.

[0062] like Figures 1 to 7 As shown, Figures 1 to 7 As shown, the number of wire drawing assemblies 5 is multiple, and multiple wire drawing assemblies 5 are arranged at intervals on the base; the number of wire pressing assemblies 7 is multiple, and multiple wire pressing assemblies 7 are arranged at intervals on the base and are arranged one-to-one with multiple wire drawing assemblies 5; the number of height adjustment assemblies 2 is multiple, and multiple height adjustment assemblies 2 are arranged at intervals on the top of the frame and are arranged one-to-one with multiple wire drawing assemblies 5; the number of rotary bending assemblies 3 is multiple, and multiple height adjustment assemblies 2 are driven and connected with multiple rotary bending assemblies 3 in a one-to-one correspondence, and multiple rotary bending assemblies 3 are arranged one-to-one with multiple wire drawing assemblies 5; the number of wire cutting assemblies 6 is multiple, and multiple wire cutting assemblies 6 are arranged at intervals on the base and are arranged one-to-one with multiple wire drawing assemblies 5. In this way, by setting multiple workstations, the working efficiency of the automatic cutting mechanism can be improved and the use of human resources can be reduced.

[0063] The working process of the automatic cutting mechanism of the utility model is as follows:

[0064] (1) The operating range of the height adjustment cylinder 21 is determined according to the height of the mask platform on which the mask cloth is located, and then the end of the rope body is passed through the first avoidance hole on the first wire plate 41 and the second avoidance hole on the second wire plate 42 in sequence, and then the end of the rope body is passed through the gap between the first pressing block 72 and the second pressing block 73 along the arrangement direction of the wire wheel 43. Finally, the first pressing block 72 is driven to extend through the pressing cylinder 71 of the wire pressing assembly 7 to press the rope body onto the second pressing block 73.

[0065] (2) The piston rod of the length control cylinder 52 of the wire pulling assembly 5 is extended, driving the wire pulling cylinder 53 to move to the wire pressing assembly 7, and the wire pulling pneumatic finger 57 of the wire pulling cylinder 53 clamps the end of the rope body; the pressing cylinder 71 of the wire pressing assembly 7 drives the first pressing block 72 to retract so as to be spaced apart from the second pressing block 73, and the piston rod of the length control cylinder 52 is retracted to pull the end of the rope body to a predetermined position; when the wire pulling cylinder 53 hits the hydraulic buffer 56 at its rear end, it indicates that the length of the rope body is sufficient, and finally the first pressing block 72 is driven to extend through the pressing cylinder 71 of the wire pressing assembly 7 to press the rope body onto the second pressing block 73.

[0066] (4) The rotary bending assembly 3 is started, and the piston rod of the slide cylinder extends to drive the two racks 34 to move. The two racks 34 drive the two bending cylinders 39 to rotate in the opposite direction through the two gears 33, so that the bending pneumatic fingers 38 of each bending cylinder 39 are rotated to be parallel to the first direction; the piston rod of the height adjustment cylinder 21 is extended, so that the rope body is in the clamping space of the bending pneumatic fingers 38 of the two bending cylinders 39 of the rotary bending assembly 3, and the bending pneumatic fingers 38 of the two bending cylinders 39 clamp the two positions of the rope body respectively, and the pull-wire pneumatic finger 57 releases the end of the rope body.

[0067] (5) The scissor cylinder 61 of the wire cutting assembly 6 is started, and the two air claws 62 of the scissor cylinder 61 are closed to drive the two scissor blades 64 to cut the position of the rope body close to the wire pressing assembly. Then the piston rod of the slide cylinder is retracted to drive the two racks 34 to move. The two racks 34 drive the two bending cylinders 39 to rotate 90 degrees in the opposite direction through the two gears 33 to bend the cut rope body into a "U" shape.

[0068] (6) Other processes of processing the mask are carried out. When the mask processing is completed, the bending pneumatic fingers 38 of the two bending cylinders 39 are opened to release the cut rope body, and finally the piston rod of the height adjustment cylinder 21 is retracted.

[0069] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0070] The automatic cutting mechanism of the utility model is used for cutting a rope body, and the automatic cutting mechanism comprises: a support part 1, the support part 1 comprises a base and a frame, and the base and the frame are both arranged on a support base surface; a wire pulling assembly 5, the wire pulling assembly 5 is installed on the base, and at least a part of the wire pulling assembly 5 is movably arranged to clamp one end of the rope body and pull the rope body to move; a wire pressing assembly 7, the wire pressing assembly 7 is installed on the base and is spaced apart from the wire pressing assembly 5, and at least a part of the wire pressing assembly 7 is movably arranged to press at a predetermined position of the rope body; a height adjustment assembly 2, the height adjustment assembly 2 is installed on the top of the frame, and the height adjustment assembly 2 At least part of the device is movably arranged in a direction perpendicular to the supporting base surface; the rotary bending assembly 3 is located between the wire drawing assembly 5 and the wire pressing assembly 7, and the height adjustment assembly 2 is connected to the rotary bending assembly 3 to adjust the height of the rotary bending assembly 3; at least part of the rotary bending assembly 3 is movably arranged to clamp the rope body and bend the cut rope body; the wire cutting assembly 6 is installed on the base, the wire cutting assembly 6 is located on the side of the wire pressing assembly 7 close to the wire drawing assembly 5 and is spaced from the wire drawing assembly 5, and at least part of the wire cutting assembly 6 is movably arranged to cut the rope body. In this way, the automatic cutting mechanism of the utility model can realize the automatic cutting of rope bodies such as mask lines, promote the development of the medical supplies production industry, solve the problem of low automation and work efficiency of the prior art method of manually pulling and cutting the mask line, and reduce the labor intensity of workers.

[0071] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0072] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0073] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0074] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0075] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0076] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic cutting mechanism, characterized in that: Used for cutting the rope body, the automatic cutting mechanism comprises: A support part (1), the support part (1) comprising a base and a frame, the base and the frame are both arranged on a support base surface; A wire pulling assembly (5), the wire pulling assembly (5) being mounted on the base, and at least a portion of the wire pulling assembly (5) being movably arranged to clamp one end of the rope body and pull the rope body to move; A wire pressing assembly (7), the wire pressing assembly (7) being mounted on the base and spaced apart from the wire pulling assembly (5), at least a portion of the wire pressing assembly (7) being movably arranged to press tightly at a predetermined position of the rope body; A height adjustment component (2), the height adjustment component (2) being mounted on the top of the frame, and at least a portion of the height adjustment component (2) being movably arranged in a direction perpendicular to the supporting base surface; A rotary bending assembly (3), the rotary bending assembly (3) being located between the wire drawing assembly (5) and the wire pressing assembly (7); the height adjustment assembly (2) being drivingly connected to the rotary bending assembly (3) so as to adjust the height of the rotary bending assembly (3); at least a portion of the rotary bending assembly (3) being movably arranged so as to clamp the rope body and bend the cut rope body; A wire cutting assembly (6), wherein the wire cutting assembly (6) is installed on the base, the wire cutting assembly (6) is located on a side of the wire pressing assembly (7) close to the wire pulling assembly (5) and is spaced apart from the wire pulling assembly (5), and at least a portion of the wire cutting assembly (6) is movably arranged to cut the rope body.

2. The automatic cutting mechanism according to claim 1, characterized in that: The base comprises a bottom plate (10) and a guide rail (14) arranged on the bottom plate (10); the wire pulling assembly (5), the wire cutting assembly (6) and the wire pressing assembly (7) are arranged at intervals along the extension direction of the guide rail (14); and the frame comprises: A plurality of first connecting rods (11), the plurality of first connecting rods (11) extending along a first direction and arranged at intervals along a second direction; a plurality of second connecting rods (12), the plurality of second connecting rods (12) extending along the second direction and arranged at intervals along the first direction, each of the second connecting rods (12) being connected to the plurality of first connecting rods (11) and being located on a side of the plurality of first connecting rods (11) away from the supporting base surface; A plurality of columns (13), wherein the plurality of columns (13) are arranged at intervals on the support base surface, the plurality of first connecting rods (11) are located on a side of the plurality of columns (13) away from the support base surface, and each of the first connecting rods (11) is connected to a portion of the plurality of columns (13); The first direction and the second direction are perpendicular to each other and parallel to the supporting base surface, and the column (13) is perpendicular to the supporting base surface.

3. The automatic cutting mechanism according to claim 2, characterized in that: The height adjustment component (2) comprises: a height cylinder mounting plate (27), the height cylinder mounting plate (27) being connected to the second connecting rod (12) and being located on a side of the second connecting rod (12) away from the supporting base surface; A height-adjusting cylinder (21), wherein a cylinder body of the height-adjusting cylinder (21) is connected to the height-adjusting cylinder mounting plate (27) and is located on a side of the height-adjusting cylinder mounting plate (27) away from the supporting base surface; A rotary bending assembly connecting frame (23), the rotary bending assembly connecting frame (23) is located below the height cylinder mounting plate (27), the rotary bending assembly (3) is mounted on the rotary bending assembly connecting frame (23), and the piston rod of the height adjustment cylinder (21) is drivingly connected to the rotary bending assembly connecting frame (23) to drive the rotary bending assembly connecting frame (23) to drive the rotary bending assembly (3) to perform lifting movement.

4. The automatic cutting mechanism according to claim 3, characterized in that: The height adjustment component (2) comprises: A linear bearing (24), wherein the linear bearing (24) is mounted on the height cylinder mounting plate (27); A guide rod (26), one end of which is fixedly connected to the rotary bending assembly connecting frame (23), and the other end of which passes through the linear bearing (24) and reaches a side of the height cylinder mounting plate (27) away from the supporting base surface, so as to be slidably connected to the height cylinder mounting plate (27) through the linear bearing (24).

5. The automatic cutting mechanism according to claim 3, characterized in that: The rotary bending assembly (3) comprises: A rotary drive unit (31), wherein a driving body of the rotary drive unit (31) is connected to the rotary bending assembly connecting frame (23); Two transmission assemblies, the two transmission assemblies are arranged at intervals along the first direction, and the driving component of the rotation driving part (31) is drivingly connected to the two transmission assemblies; Two bending cylinders (39), the two transmission assemblies are respectively connected to the cylinder bodies of the two bending cylinders (39), and the multiple bending pneumatic fingers (38) of the bending cylinders (39) can move towards or away from each other to clamp or release the rope body.

6. The automatic cutting mechanism according to claim 5, characterized in that: The rotary drive unit (31) is a slide cylinder, and each of the transmission components comprises: a rack (34), the rack (34) extending along the second direction, the piston rod of the slide cylinder being drivingly connected to the rack (34) to drive the rack (34) to move along the second direction, a gear (33), the gear (33) being meshed with the rack (34) and being located on a side of the rack (34) away from the other transmission component; A gear connecting shaft (37), the gear (33) is rotatably connected to the rotary bending component connecting frame (23) via the gear connecting shaft (37), and the gear (33) is fixedly connected to the cylinder body of the corresponding bending cylinder (39) via the gear connecting shaft (37).

7. The automatic cutting mechanism according to claim 2, characterized in that: The pull wire assembly (5) comprises: A length control cylinder (52), wherein a cylinder body of the length control cylinder (52) is connected to the base plate (10); A wire pulling cylinder (53), wherein the piston rod of the length control cylinder (52) is connected to the cylinder body of the wire pulling cylinder (53), and a plurality of wire pulling pneumatic fingers (57) of the wire pulling cylinder (53) can move toward or away from each other to clamp or release the rope body.

8. The automatic cutting mechanism according to claim 7, characterized in that: The base comprises a first slider (15), the first slider (15) is slidably connected to the guide rail (14), and the cylinder body of the wire-pulling cylinder (53) is fixedly connected to the first slider (15); and / or The wire pulling assembly (5) comprises two hydraulic buffers (56), both of which are mounted on the base plate (10) and are respectively arranged at the front end and the rear end of the movement direction of the wire pulling cylinder (53), so as to contact with the cylinder body of the wire pulling cylinder (53) to buffer and stop the movement of the wire pulling cylinder (53) along the first direction.

9. The automatic cutting mechanism according to claim 2, characterized in that: The base comprises a second slider (16), and the second slider (16) is slidably connected to the guide rail (14); the thread trimming assembly (6) comprises: A scissor cylinder (61), wherein the cylinder body of the scissor cylinder (61) and the second slider (16) can be relatively fixedly arranged; Two scissor blades (64) and a scissor blade connecting shaft (65), the two scissor blades (64) are cross-arranged and the middle parts of the two scissor blades (64) are hinged through the scissor blade connecting shaft (65), and the two air claws (62) of the scissor cylinder (61) can move towards or away from each other and are respectively connected to the two scissor blades (64) to drive the two scissor blades (64) to perform a cutting action; A connecting shaft mounting frame (67), wherein the scissor blade connecting shaft (65) is fixedly connected to the second sliding block (16) via the connecting shaft mounting frame (67).

10. The automatic cutting mechanism according to claim 2, characterized in that: The base comprises a second slider (16), and the second slider (16) is slidably connected to the guide rail (14); the wire pressing assembly (7) comprises: A pressing cylinder mounting plate (74), wherein the pressing cylinder mounting plate (74) is mounted on the second sliding block (16); A pressing cylinder (71), wherein the cylinder body of the pressing cylinder (71) is fixedly connected to the pressing cylinder mounting plate (74); A first pressing block (72), the first pressing block (72) being mounted on the base plate (10) and being located between the pressing cylinder (71) and the base plate (10); A second pressing block (73), the second pressing block (73) is located on a side of the first pressing block (72) away from the supporting base surface, and the piston rod of the clamping cylinder (71) is drivingly connected to the second pressing block (73) to drive the second pressing block (73) to move in a direction approaching or away from the first pressing block (72) to press the rope body onto the first pressing block (72) or release the rope body.

11. The automatic cutting mechanism according to claim 2, characterized in that: The base comprises a second slider (16), and the second slider (16) is slidably connected to the guide rail (14); the automatic cutting mechanism also comprises a wire assembly (4), at least a portion of which is mounted on the second slider (16) and is located on a side of the wire pressing assembly (7) away from the wire pulling assembly (5) to guide the rope before reaching the wire pressing assembly (7).

12. The automatic cutting mechanism according to claim 11, characterized in that: The wire assembly (4) comprises: A first wire plate (41), the first wire plate (41) being mounted on the first connecting rod (11), and the first wire plate (41) being provided with a first avoidance hole for the rope to pass through; A wire mounting plate (44), wherein the wire mounting plate (44) is mounted on the second slider (16); A second wire plate (42), the second wire plate (42) being mounted on the wire mounting plate (44), the second wire plate (42) being provided with a second avoidance hole for the rope to pass through; A plurality of wire wheels (43), wherein the plurality of wire wheels (43) are arranged at intervals on the wire mounting plate (44); The first wire plate (41), the second wire plate (42) and the plurality of wire wheels (43) are arranged in sequence along the moving direction of the rope body.

13. The automatic cutting mechanism according to claim 1, characterized in that: The number of the pull-wire assemblies (5) is multiple, and the multiple pull-wire assemblies (5) are arranged on the base at intervals; The number of the wire pressing assemblies (7) is multiple, and the multiple wire pressing assemblies (7) are arranged on the base at intervals and are arranged one-to-one corresponding to the multiple wire pulling assemblies (5); The number of the height adjustment components (2) is multiple, and the multiple height adjustment components (2) are arranged at intervals on the top of the frame and are arranged one-to-one corresponding to the multiple wire pulling components (5); The number of the rotary bending components (3) is multiple, the multiple height adjustment components (2) are drivingly connected to the multiple rotary bending components (3) in a one-to-one correspondence, and the multiple rotary bending components (3) are arranged in a one-to-one correspondence to the multiple wire pulling components (5); The number of the wire cutting assemblies (6) is multiple, and the multiple wire cutting assemblies (6) are arranged on the base at intervals and are arranged in a one-to-one correspondence with the multiple wire pulling assemblies (5).

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