A hose lengthwise segment cutting apparatus

Abstract

The application provides a soft tube fixed-length segmented cutting device, which comprises a rack, a traction module, a fixed-length module and a cutting module arranged on the rack, the traction module is used for pulling the soft tube to the downstream of the fixed-length module and positioning the end of the soft tube, the fixed-length module comprises a plurality of fixed-length mechanisms arranged side by side along the traction direction, the plurality of fixed-length mechanisms sequentially press the soft tube downward along the reverse direction of the traction direction, and the straightly arranged soft tube is concave to become a U-shaped soft tube with a set length, the cutting module comprises a cutting mechanism and a plurality of positioning mechanisms, the positioning mechanisms are staggered with the fixed-length mechanisms and are used for sequentially positioning the two sides of the opening end of the U-shaped soft tube, and the cutting mechanism is used for cutting the U-shaped soft tube to realize the cutting of the multiple soft tubes. The application can press the straightly arranged soft tube into the U-shaped soft tube to cut the multiple soft tubes with a fixed length, does not increase the equipment volume, can cut the multiple soft tubes at one time, the length of each soft tube can be flexibly set according to the requirement, the application range is wide, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a soft tube fixed-length segmented cutting device. BACKGROUND

[0002] Soft tubes are widely used in many fields such as medical treatment, food, chemical industry, pharmacy, electronics, aviation and automobile. In the medical field, soft tubes can be used in medical products such as infusion, hemodialysis and breathing machines. When producing medical products using soft tubes, the soft tubes need to be cut into different lengths and then installed on the medical products.

[0003] The current soft tube cutting device generally cuts a roll of soft tube into fixed lengths after unwinding and straightening, and cuts one segment at a time. For the subsequent multi-station simultaneous operation, the cutting speed is not enough, which affects the production efficiency of medical products. Therefore, in order to speed up the cutting efficiency, multi-segment cutting devices are used. The existing multi-segment cutting device generally uses multiple cutters arranged side by side along the unwinding direction to cut multiple segments of soft tube. However, this method needs to lengthen the entire cutting table, which increases the size of the device, occupies a large area, limits the use range, and when cutting soft tubes of different lengths, the position of the cutter needs to be adjusted, which affects the production efficiency. Or by unwinding multiple soft tubes to cut multiple segments of soft tube at the same time, but this method not only increases the cost of the device, but also causes waste of soft tube material and increases the manufacturing cost. SUMMARY

[0004] The present application aims to provide a soft tube fixed-length segmented cutting device to overcome the deficiencies in the prior art.

[0005] To solve the above technical problems, the technical solution of the present application is: a soft tube fixed-length segmented cutting device, comprising a rack, a traction module, a fixed-length module and a cutting module arranged on the rack, the traction module is used to pull the soft tube to the downstream of the fixed-length module and position the end of the soft tube downstream of the fixed-length module; the fixed-length module comprises multiple fixed-length mechanisms arranged side by side along the traction direction, the multiple fixed-length mechanisms are arranged above the pulled soft tube and can sequentially press the soft tube downward along the opposite direction of traction, so that the straightly arranged soft tube is concave to become a U-shaped soft tube with a set length; the cutting module comprises a cutting mechanism and multiple positioning mechanisms, the positioning mechanisms are arranged alternately with the fixed-length mechanisms and are used to sequentially position the two sides of the opening end of the U-shaped soft tube; the cutting mechanism is used to cut the U-shaped soft tube to realize the cutting of multiple segments of soft tube.

[0006] Further, the above-mentioned hose fixed-length segment cutting device, the traction module comprises a front jaw, a rear jaw and a traction mechanism arranged between the front jaw and the rear jaw, the front jaw is close to the unwinding mechanism of the unwound hose, and the front jaw is clamped to prevent the hose from relaxing during cutting; the front jaw is connected with the rack through a jaw mounting plate one, a guide sleeve is arranged on the jaw mounting plate one downstream of the front jaw, the hose is punched out from the guide sleeve, and the guide sleeve guides the hose to move in the traction direction; the rear jaw is arranged downstream of the fixed-length module and is used for clamping and positioning the hose end; the rear jaw is connected with the rack through a jaw mounting plate two.

[0007] Further, the above-mentioned hose fixed-length segment cutting device, the traction mechanism comprises a traction jaw, a rotary cylinder and a horizontal movement assembly, the horizontal movement assembly comprises a horizontal movement seat, a servo motor two and a synchronous belt transmission structure driven by the servo motor two, and the horizontal movement seat is connected with the synchronous belt transmission structure; the rotary cylinder is arranged on the horizontal movement seat, the traction jaw is connected with the output end of the rotary cylinder and cooperates with the horizontal movement assembly to clamp the hose end and pull it to the rear jaw.

[0008] Further, the above-mentioned hose fixed-length segment cutting device, the fixed-length mechanism comprises a slide rail mounting plate, a slide rail one, a servo motor one, a main synchronous wheel, a slave synchronous wheel, a synchronous belt, a moving seat, a pressing rod and a pressing wheel, the slide rail one is fixed on the slide rail mounting plate, the main synchronous wheel is connected with the upper end of the slide rail mounting plate through a driving wheel seat, the slave synchronous wheel is connected with the lower end of the slide rail mounting plate through a driven wheel seat, the synchronous belt is annular and arranged around the main synchronous wheel and the slave synchronous wheel, and the servo motor one is connected with the main synchronous wheel through a motor shaft; the moving seat is connected with a sliding block arranged on the slide rail one and connected with the synchronous belt through a toothed plate, and the pressing rod is connected with the moving seat at the upper end and fixed with the pressing wheel at the lower end.

[0009] Further, the above-mentioned hose fixed-length segment cutting device, the pressing wheel comprises two conical wheel bodies, namely a conical wheel body one and a conical wheel body two, the conical wheel body two is arranged outside the conical wheel body one, and the taper of the conical wheel body one is greater than that of the conical wheel body two; the conical wheel body one and the conical wheel body two are arranged oppositely, and the inward end of each is a small conical end, the conical wheel body one and the conical wheel body two are connected through a circular arc transition, the circular arc transition part cooperates with the hose to press the hose, and the end of the conical wheel body two is further provided with a stop plate.

[0010] Further, the above-mentioned hose length segmentation cutting device, the positioning mechanism is arranged between adjacent length mechanisms, comprising a connecting plate, a pressing cylinder, a pressing plate, a support plate, a support seat one, the connecting plate is fixedly connected with the rack, the pressing cylinder is arranged on the connecting plate, the output end of the pressing cylinder is provided with the pressing plate, one end of the pressing plate is provided with two pressing heads arranged symmetrically, the two pressing heads and the pressing plate body form a U-shaped opening, and elastic pressing strips are arranged below the pressing heads; the support plate one is arranged directly below the pressing plate and is connected with the rack through a support seat, and the pressing heads and the support plate one are matched to press and fix the opening ends of the U-shaped hose.

[0011] Further, the above-mentioned hose length segmentation cutting device, the cutting module further comprises a plurality of guide assemblies arranged side by side along the traction direction, the guide assemblies close to the rear clamping jaw are arranged on the two sides of the length mechanism close to the rear clamping jaw respectively, and the other guide assemblies are arranged on the two sides of the corresponding length mechanism in pairs; the guide assembly is used for guiding the length mechanism to press the hose downward, and comprises a guide wheel, a guide plate one and a guide plate two, the guide plate one is fixedly connected with the rack, the guide plate two is connected with the guide plate one through a connecting shaft, the guide plate one and the guide plate two are arranged opposite to each other to form a V-shaped groove, the V-shaped groove allows the hose and the rear clamping jaw to pass through, the guide wheel is sleeved outside the connecting shaft and is rotationally connected with the connecting shaft through a bearing, the guide wheel is arranged between the guide plate one and the guide plate two and located at the bottom of the V-shaped groove, and an arc-shaped guide groove matched with the hose is arranged outside the guide wheel.

[0012] Further, the above-mentioned hose length segmentation cutting device, the cutting mechanism is arranged between the length mechanism and the positioning mechanism, comprising a mounting seat, a cutting cylinder, a second sliding rail, a centering plate, a cutter seat and a cutter, the mounting seat is connected with the rack, the cutting cylinder is connected with the mounting seat through a cylinder mounting plate, the output end of the cutting cylinder is connected with the centering plate through a centering joint, the centering plate is connected with the cutter seat, the second sliding rail is arranged on the two sides of the cutting cylinder and fixed on the mounting seat, the cutter seat is further connected with the second sliding rail in a sliding mode through a sliding block arranged on the second sliding rail, a plurality of cutters are arranged on the upstream of the length mechanism in a one-to-one correspondence, and the cutters are connected with the cutter seat through cutter rods.

[0013] Further, the above-mentioned hose length segmentation cutting device, the cutter is provided with a cutter groove corresponding to the cutter, the cutter groove is arranged at the middle position of the support plate one and the middle position of a support plate two, and the support plate two is also connected with the rack through a support seat.

[0014] Further, the above-mentioned hose fixed-length segment cutting device further comprises a material taking mechanism arranged on the rack, the material taking mechanism comprising a linear module, a sliding rail III, a conveying seat, a material taking cylinder and a material taking plate, the linear module being fixed on the rack through a module mounting frame, the linear module being provided with the sliding rail III fixed on the module mounting frame on both sides, the conveying seat being connected with the output end of the linear module and the sliding block on the sliding rail III, the material taking cylinder being fixed on the conveying seat through a cylinder mounting seat, the output end of the material taking cylinder being connected with the material taking plate, the material taking plate being provided with a plurality of groups of material taking assemblies arranged correspondingly to the fixed-length mechanism, each material taking assembly comprising two clamping jaw cylinders for clamping the hoses on both sides of the upper end of the U-shaped hose, and the output end of the clamping jaw cylinder being provided with a material taking clamping jaw.

[0015] The application further provides a working method of the hose fixed-length segment cutting device, comprising the following steps:

[0016] S1, starting, the front clamping jaw and the rear clamping jaw are in an open state, the hose is conveyed to the rear clamping jaw through the unwinding mechanism and the guide sleeve, the presence of the hose is detected, and the pulling clamping jaw clamps the end of the hose;

[0017] S2, the horizontal moving assembly is started to drive the pulling clamping jaw to move to the rear clamping jaw, the pulling clamping jaw keeps clamping the hose during the pulling process, the rear clamping jaw clamps the end of the hose when the rear clamping jaw detects the sensor detects the hose;

[0018] S3, the pulling clamping jaw is opened and returns to the initial position;

[0019] S4, the fixed-length mechanism sequentially presses the hose in the opposite direction of the pulling direction to make the linearly arranged hose concave to become a U-shaped hose, the control system sets the stroke of each fixed-length mechanism according to the cutting length, the hose is concave to the set position, and the fixed length of the hose is sequentially completed;

[0020] S5, the positioning mechanism follows the fixed-length mechanism to sequentially press the rear end of the fixed-length hose, which can prevent the tolerance of the fixed length from exceeding the limit due to the elastic deformation of the hose;

[0021] S6, the pulling clamping jaw and the front clamping jaw sequentially clamp the rear end of the last fixed-length hose;

[0022] S7, the material taking mechanism advances to be close to the hose, each material taking assembly clamps the hose on both sides of the upper end of the corresponding U-shaped hose, and then the rear clamping jaw is opened;

[0023] S8, the cutting cylinder drives the cutter to cut the hose, and the fixed-length segment cutting of the hose is realized;

[0024] S9, the linear module drives the material taking assembly and the clamped hose to move to the next process to take away the cut hose, and returns to the original position after discharging; meanwhile, the front clamping jaw is opened;

[0025] S10, according to steps S2-S9, realize continuous cutting of the hose.

[0026] Compared with the prior art, the beneficial effects of the present application are: the market hose cutting generally adopts single cutting, and the pipe cutting efficiency is affected by the handling rhythm, the cutting device of the present application can cut multiple hoses at a time, and the length of each hose can be flexibly set according to the demand, and the length of each hose can be set to be the same or different, which is good in flexibility, realizes the flexibility of the equipment fixed length, has wide application range, and greatly improves the production efficiency; and the straightly arranged hose is pressed into a U-shaped hose to fix the length of multiple hoses, without increasing the overall volume of the equipment, and after cutting is completed, the material taking mechanism is used for one-time handling and transfer, improving the continuity between processes and further improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0028] Figure 1 It is a perspective view of the hose fixed-length segmented cutting device of the present application;

[0029] Figure 2 It is a front view of the hose fixed-length segmented cutting device of the present application;

[0030] Figure 3 It is a structure diagram of the traction mechanism of the hose fixed-length segmented cutting device of the present application;

[0031] Figure 4 It is a structure diagram of the fixed-length module of the hose fixed-length segmented cutting device of the present application;

[0032] Figure 5 It is a structure diagram of the lower pressing wheel of the hose fixed-length segmented cutting device of the present application;

[0033] Figure 6 It is a structure diagram of the cutting module of the hose fixed-length segmented cutting device of the present application;

[0034] Figure 7 It is a rear view of Figure 6 ;

[0035] Figure 8 It is a structure diagram of the guide assembly of the hose fixed-length segmented cutting device of the present application;

[0036] Figure 9Structure diagram of the material taking mechanism of the soft tube fixed-length segment cutting device of the application;

[0037] In the figure: 100, rack; 200, traction module; 300, fixed-length module; 400, cutting module;

[0038] 1, fixed-length mechanism; 11, slide rail mounting plate; 12, slide rail one; 13, servo motor one; 14, main synchronous wheel; 15, slave synchronous wheel; 16, synchronous belt; 17, moving seat; 18, pressing rod; 19, pressing wheel; 191, conical wheel body one; 192, conical wheel body two; 110, stop plate;

[0039] 2, cutting mechanism; 21, mounting seat; 22, cutting cylinder; 23, slide rail two; 24, centering plate; 25, cutter seat; 26, cutter; 27, cutter rod; 28, cutter groove; 29, support plate two;

[0040] 3, positioning mechanism; 31, connecting plate; 32, pressing cylinder; 33, pressing plate; 331, pressing head; 34, support plate one; 35, support seat;

[0041] 4, traction mechanism; 41, traction clamping jaw; 42, rotary cylinder; 43, horizontal moving assembly; 431, horizontal moving seat; 432, servo motor two; 433, synchronous belt transmission structure;

[0042] 5, front clamping jaw; 51, clamping jaw mounting plate one; 52, guide sleeve;

[0043] 6, rear clamping jaw; 61, clamping jaw mounting plate two;

[0044] 7, guide assembly; 71, guide wheel; 72, guide plate one; 73, guide plate two; 74, V-shaped groove;

[0045] 8, material taking mechanism; 81, linear module; 82, slide rail three; 83, conveying seat; 84, material taking cylinder; 85, material taking plate; 86, module mounting frame; 87, clamping cylinder; 88, material taking clamping jaw. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0047] Embodiment 1

[0048] As Figures 1-9As shown, a hose length-segmentation and cutting device includes a frame 100 and a traction module 200, a length-fixing module 300, and a cutting module 400 mounted on the frame 100. The traction module 200 is used to pull the hose downstream of the length-fixing module 300 and position the hose end located downstream of the length-fixing module 300. The length-fixing module 300 includes multiple length-fixing mechanisms 1 arranged in parallel along the traction direction. The multiple length-fixing mechanisms 1 are located above the traction hose and can sequentially press the hose down in the opposite direction of traction, so that the straight hose is concave into a U-shaped hose of a set length. The cutting module 400 includes a cutting mechanism 2 and multiple positioning mechanisms 3. The positioning mechanisms 3 are staggered with the length-fixing mechanisms 1 and are used to sequentially position the two sides of the open end of the U-shaped hose. The cutting mechanism 2 is used to cut the U-shaped hose to realize the cutting of multiple hose segments. By setting multiple fixed-length mechanisms 1, multiple hose segments can be cut at once, and the cutting length of each hose segment can be flexibly set, offering good flexibility and achieving equipment length control. This broadens the application range and greatly improves production efficiency. Furthermore, by pressing the straight hose into a U-shape for fixed-length cutting of multiple hose segments, the overall size of the equipment is not increased, avoiding excessive space occupation. The hose length-segmenting cutting equipment of this invention can ensure that the hose cutting error is within ±3mm under the elastic change of the hose, resulting in high production efficiency, wide application range, and suitability for widespread promotion.

[0049] Among them, such as Figure 4 As shown, the fixed-length mechanism 1 includes a slide rail mounting plate 11, a slide rail 12, a servo motor 13, a main synchronous pulley 14, a driven synchronous pulley 15, a synchronous belt 16, a movable seat 17, a pressure rod 18, and a pressure wheel 19. The slide rail 12 is fixed on the slide rail mounting plate 11. The main synchronous pulley 14 is connected to the upper end of the slide rail mounting plate 11 through a drive wheel seat. The driven synchronous pulley 15 is connected to the lower end of the slide rail mounting plate 11 through a driven wheel seat. The synchronous belt 16 is annular and is wound around the main synchronous pulley 14 and the driven synchronous pulley 15. The servo motor 13 is connected to the main synchronous pulley 14 through a motor shaft. The movable seat 17 is connected to the slider on the slide rail 12 and is connected to the synchronous belt 16 through a toothed plate. The upper end of the pressure rod 18 is connected to the movable seat 17, and the lower end is fixed with the pressure wheel 19. It should be noted that the lengths of the synchronous belts 16 in each fixed-length mechanism 1 of the fixed-length module 300 of the present invention can be equal or unequal, and the travel distance of each fixed-length mechanism 1 can be the same or different, which can be flexibly set according to production needs and the control system; in this embodiment, such as Figure 2 , 4 As shown, there are 4 fixed-length mechanisms 1, which are identical in pairs.

[0050] In the above structure, such as Figures 4-5As shown, the pressure roller 19 comprises two conical wheels, namely conical wheel one 191 and conical wheel two 192. Conical wheel two 192 is located outside conical wheel one 191, and the taper of conical wheel one 191 is greater than that of conical wheel two 192. Conical wheel one 191 and conical wheel two 192 are arranged opposite each other, with their inward-facing ends being small conical ends. Conical wheel one 191 and conical wheel two 192 are connected by a circular arc transition, and the circular arc transition connection cooperates with the hose to press down the hose, that is, the circular arc transition connection is located directly above the traction hose. The end of conical wheel two 192 is also provided with a stop plate 110. Through this structure of the pressure roller 19, it can be ensured that the hose remains in the circular arc transition connection during the pressing process, avoiding the hose tilting during the pressing process and affecting the fixed length accuracy.

[0051] Example 2

[0052] Based on the structure of Example 1, such as Figures 1-2 As shown in Figure 6, the traction module 200 includes a front gripper 5, a rear gripper 6, and a traction mechanism 4 disposed between the front gripper 5 and the rear gripper 6. The front gripper 5 is close to the unwinding mechanism of the unwinding hose. When the front gripper 5 is clamped, it is used to prevent the hose from loosening during cutting. The front gripper 5 is connected to the frame 100 through a gripper mounting plate 1 51 and is horizontally set. The hose passes through the open front gripper 5. The gripper mounting plate 1 51 is provided with a guide sleeve 52 located downstream of the front gripper 5. The hose passes through the guide sleeve 52 and the guide sleeve 52 guides the hose to move along the traction direction. The rear gripper 6 is disposed downstream of the length-fixing module 300 and is used to clamp and position the end of the hose. The rear gripper 6 is connected to the frame through a gripper mounting plate 2 61 and is vertically set. The detection sensor at the rear gripper 6 is disposed on the gripper mounting plate 2 61. The front gripper 5 and the rear gripper 6 can be used to position the hose at both ends of the cutting module 400, avoiding hose displacement that would affect the cutting accuracy.

[0053] In the above structure, such as Figure 3As shown, the traction mechanism 4 includes traction clamping jaw 41, rotary cylinder 42, transverse movement assembly 43, the transverse movement assembly 43 includes transverse movement seat 431, servo motor two 432 and synchronous belt transmission structure 433 driven by servo motor two 432, the synchronous belt transmission structure 433 in the embodiment is similar to the synchronous belt structure of the fixed length mechanism 1, the transverse movement seat 431 is connected with the synchronous belt transmission structure 433; the rotary cylinder 43 is arranged on the transverse movement seat 431, the traction clamping jaw 41 is connected with the output end of the rotary cylinder 42, and is clamped with the transverse movement assembly 43 to hold the hose end and pull it to the rear clamping jaw 6. Through the transverse movement assembly 43, the traction clamping jaw 41 pulls the hose located upstream of the cutting module 400 to downstream of the cutting module 400, facilitating the fixed length module 300 to be segmented; in addition, the traction clamping jaw 41 is loosened after pulling the hose to the rear clamping jaw 6, in order to avoid the loosened traction clamping jaw 41 colliding with other parts, the rotary cylinder 42 is started to drive the traction clamping jaw 41 to rotate towards the rear side.

[0054] As Figure 1 、 6 As shown in FIG. 7, the positioning mechanism 3 is arranged between adjacent fixed length mechanisms 1, including connecting plate 31, downward pressing cylinder 32, pressing plate 33, support plate one 34, support seat 35, the connecting plate 31 is fixedly connected with the rack 100, the downward pressing cylinder 32 is arranged on the connecting plate 31, the output end of the downward pressing cylinder 32 is provided with the pressing plate 33, one end of the pressing plate 33 is provided with two pressing heads 331 arranged symmetrically, the two pressing heads 331 and the pressing plate body form a U-shaped opening, an elastic pressing strip is arranged below the pressing head 331, which can improve the pressing force and avoid damaging the hose; the support plate one 34 is arranged directly below the pressing plate 33 and is connected with the rack 100 through the support seat 35, the pressing head 331 and the support plate one 34 cooperate to press the opening ends of the U-shaped hose, the opening ends pressed by each positioning mechanism 3 are one side of the rear end of the front U-shaped hose and one side of the front end of the rear U-shaped hose, which can avoid displacement of the front fixed length U-shaped hose and fix the front end of the rear U-shaped hose to be fixed length, assist the fixed length of the rear U-shaped hose and improve the cutting precision.

[0055] In addition, as Figure 6 、 8As shown, the cutting module 400 also includes a plurality of guide assemblies 7 arranged side by side along the traction direction, and the guide assemblies 7 close to the rear jaw 6 are arranged on both sides of the fixed-length mechanism 1 close to the rear jaw 6, and the other guide assemblies 7 are arranged in pairs on both sides of the corresponding fixed-length mechanism 1; the guide assembly 7 is used to guide the fixed-length mechanism 1 to press down the hose, and includes a guide wheel 71, a guide plate one 72, and a guide plate two 73, the guide plate one 72 is fixedly connected with the rack 100, the guide plate two 73 is connected with the guide plate one 72 through a connecting shaft, the guide plate one 72 and the guide plate two 73 are oppositely arranged to form a V-shaped groove 74, the V-shaped groove 74 allows the hose and the rear jaw 6 to pass through, the guide wheel 71 is sleeved outside the connecting shaft and is rotationally connected with the connecting shaft through a bearing, the guide wheel 71 is arranged between the guide plate one 72 and the guide plate two 73 and is located at the bottom of the V-shaped groove 74, and an arc-shaped guide groove matched with the hose is arranged on the outside of the guide wheel 71. The pressing plate 33 is arranged between adjacent guide assemblies 7, and through the arrangement of the guide assembly 7, the two hoses on both sides of the open end of the U-shaped hose are horizontally turned to the support plate one 34, which is convenient for subsequent positioning and cutting; in addition, the hose also plays a role in guiding the forward movement when being pulled forward. Specifically, the number of fixed-length mechanisms 1 is N, and the number of guide assemblies 7 is 2N-1, which cooperates to realize the segmented fixed-length, positioning and cutting of the hose.

[0056] In addition, as shown in Figures 6-7 The cutting mechanism 2 is arranged between the fixed-length mechanism 1 and the positioning mechanism 3, and includes a mounting seat 21, a cutting cylinder 22, a slide rail two 23, a centering plate 24, a cutter seat 25, and a cutter 26, the mounting seat 21 is connected with the rack 100, the cutting cylinder 22 is connected with the mounting seat 21 through a cylinder mounting plate, the output end of the cutting cylinder 22 is connected with the centering plate 24 through a centering joint, the centering plate 24 is connected with the cutter seat 25, the slide rail two 23 is arranged on both sides of the cutting cylinder 22 and is fixed on the mounting seat 21, the cutter seat 25 is also slidably connected with the slide rail two 23 through a sliding block arranged on the slide rail two 23, the cutter 26 is arranged in plurality and is arranged upstream of the fixed-length mechanism 1 in one-to-one correspondence with the fixed-length mechanism 1, and the cutter 26 is connected with the cutter seat 25 through a cutter rod 27. The cutting cylinder 22 is driven, and the plurality of cutters 26 simultaneously descend to complete the cutting of multiple hoses at one time.

[0057] In the above structure, as shown in Figures 6-7 The cutter 26 is provided below with a cutter groove 28 arranged in correspondence with the cutter 26, the cutter groove 28 is arranged at the middle position of the support plate one 34 and the middle position of the support plate two 29, and the cutter groove 28 on the support plate one 34 is located between the two pressing heads 331, so that the cut end face is more flat, and the support plate two 29 is also connected with the rack 100 through a support seat 35. Through the arrangement of the cutter groove 28, the incomplete cutting can be avoided.

[0058] The soft tube fixed-length segment cutting device further comprises a material taking mechanism 8 arranged on the rack 100, as shown in Figure 1 、 9 The material taking mechanism 8 comprises a linear module 81, a sliding rail three 82, a conveying seat 83, a material taking cylinder 84 and a material taking plate 85. The linear module 81 is fixed on the rack 100 through a module mounting frame 86. The sliding rail three 82 is arranged on both sides of the linear module 81 and fixed on the module mounting frame 86. The conveying seat 83 is connected with the output end of the linear module 81 and the sliding block on the sliding rail three 82. The material taking cylinder 84 is fixed on the conveying seat 83 through a cylinder mounting seat, and the output end of the material taking cylinder 84 is connected with the material taking plate 85. A plurality of material taking assemblies corresponding to the fixed-length mechanism 1 are arranged on the material taking plate 85. Each material taking assembly comprises two clamping jaw cylinders 87 for clamping the soft tubes on both sides of the upper end of the U-shaped soft tube. The output end of the clamping jaw cylinder 87 is provided with a material taking clamping jaw 88. The material taking clamping jaw 88 is vertically arranged in a V shape and comprises a clamping upper part and a clamping lower part, so that a section of the soft tube can be clamped and clamped more stably. The material taking mechanism 8 is arranged to clamp the soft tube before cutting. The material taking process does not affect the cutting of the soft tube. The soft tube is automatically conveyed to the next process after cutting. The continuity between processes can be improved, and the production efficiency is further improved.

[0059] Based on the above-mentioned soft tube fixed-length segment cutting device, the application further provides a working method of the soft tube fixed-length segment cutting device, comprising the following steps:

[0060] S1, start, the front clamping jaw 5 and the rear clamping jaw 6 are in an open state. The soft tube reaches the traction clamping jaw 41 through the unwinding mechanism and the guide sleeve. When it is detected that there is a soft tube, the traction clamping jaw 41 clamps the end of the soft tube;

[0061] S2, the horizontal moving assembly 43 is started to drive the traction clamping jaw 41 to move to the rear clamping jaw 6. The traction clamping jaw 41 keeps clamping the soft tube during the traction process. When the rear clamping jaw 6 detects the soft tube, the rear clamping jaw 6 clamps the end of the soft tube;

[0062] S3, the traction clamping jaw 41 is opened and returns to the initial position. During the returning process, the rotary cylinder 42 is started to drive the traction clamping jaw 41 to rotate towards the rear side to avoid collision with other parts, because the traction clamping jaw 41 is in an open state;

[0063] S4, the fixed-length mechanism 1 sequentially presses the soft tube in the opposite direction of traction, so that the straightly arranged soft tube is concave to become a U-shaped soft tube. The control system sets the stroke of the fixed-length mechanism according to the cutting length, so that the soft tube is concave to the set position, and the fixed length of the soft tube is sequentially completed;

[0064] S5, the positioning mechanism 3 follows the length mechanism 1, and sequentially presses the rear end of the length of the hose and the length of the hose, the positioning mechanism 3 and the length of the hose are pressed and positioned, which can prevent the elastic deformation of the hose from causing the tolerance of the length to exceed the limit, so that the error is ensured to be within ±3mm;

[0065] S6, the traction clamping jaw 41 and the front clamping jaw 5 are sequentially clamped to clamp the rear end of the last length of the hose, one positioning mechanism 3 can be reduced, and the cost is reduced;

[0066] S7, the material taking mechanism 8 advances to be close to the hose, each material taking assembly clamps the hose on both sides of the upper end of the corresponding U-shaped hose, and then the rear clamping jaw 6 is opened;

[0067] S8, the cutting cylinder 22 drives the cutter 26 to descend to cut the hose, and realizes the length segmentation cutting of the hose;

[0068] S9, the linear module 81 drives the material taking assembly and the clamped hose to move to the next process, takes away the cut hose, returns to the original position after discharging, and simultaneously, the front clamping jaw 5 is opened;

[0069] S10, the steps S2-S9 are cycled to realize the continuous cutting of the hose.

[0070] The whole implementation process adopts intelligent unmanned operation, is convenient to operate, and the material taking process does not affect the cutting of the hose, and the production efficiency is improved.

[0071] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0072] In addition, it should be understood that although the present application is described in the specification, each embodiment only contains one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A hose length-segmentation cutting device, characterized in that: The system includes a frame and a traction module, a length-fixing module, and a cutting module mounted on the frame. The traction module is used to pull the hose downstream of the length-fixing module and position the hose end located downstream of the length-fixing module. The length-fixing module includes multiple length-fixing mechanisms arranged in parallel along the traction direction. These multiple length-fixing mechanisms are located above the traction hose and can sequentially press the hose down in the opposite direction of traction, causing the straight hose to be concave into a U-shaped hose of a set length. The cutting module includes a cutting mechanism and multiple positioning mechanisms. The positioning mechanisms are staggered with the length-fixing mechanisms and are used to sequentially position the two sides of the open end of the U-shaped hose. The cutting mechanism is used to cut the U-shaped hose, realizing the cutting of multiple hose segments.

2. The hose length-segmentation cutting device according to claim 1, characterized in that: The traction module includes a front gripper, a rear gripper, and a traction mechanism located between the front and rear grippers. The front gripper is close to the unwinding mechanism of the unwinding hose. When the front gripper clamps, it is used to prevent the hose from loosening during cutting. The front gripper is connected to the frame through a gripper mounting plate one. The gripper mounting plate one is provided with a guide sleeve located downstream of the front gripper. The guide sleeve guides the hose to move along the traction direction. The rear gripper is located downstream of the length-fixing module and is used to clamp and position the end of the hose. The rear gripper is connected to the frame through a gripper mounting plate two.

3. The hose length-segmentation and cutting device according to claim 2, characterized in that: The traction mechanism includes a traction gripper, a rotary cylinder, and a lateral movement assembly. The lateral movement assembly includes a lateral movement seat, a second servo motor, and a synchronous belt drive structure driven by the second servo motor. The lateral movement seat is connected to the synchronous belt drive structure. The rotary cylinder is mounted on the lateral movement seat. The traction gripper is connected to the output end of the rotary cylinder and cooperates with the lateral movement assembly to grip the end of the hose and pull it to the rear gripper.

4. The hose length-segmentation cutting device according to claim 1, characterized in that: The fixed-length mechanism includes a slide rail mounting plate, a slide rail, a servo motor, a main synchronous pulley, a driven synchronous pulley, a synchronous belt, a movable seat, a pressure rod, and a pressure wheel. The slide rail is fixed to the slide rail mounting plate. The main synchronous pulley is connected to the upper end of the slide rail mounting plate through a drive wheel seat. The driven synchronous pulley is connected to the lower end of the slide rail mounting plate through a driven wheel seat. The synchronous belt is annular and is wound around the main and driven synchronous pulleys. The servo motor is connected to the main synchronous pulley through a motor shaft. The movable seat is connected to a slider on the slide rail and to the synchronous belt through a toothed plate. The upper end of the pressure rod is connected to the movable seat, and the lower end is fixed with a pressure wheel.

5. The hose length-segmentation cutting device according to claim 4, characterized in that: The pressure roller comprises two conical wheels, namely conical wheel one and conical wheel two. Conical wheel two is located outside conical wheel one, and the taper of conical wheel one is greater than that of conical wheel two. Conical wheel one and conical wheel two are arranged opposite to each other, with their inward-facing ends being small conical ends. Conical wheel one and conical wheel two are connected by a circular arc transition, and the circular arc transition connection part cooperates with the hose to press down the hose. The end of conical wheel two is also provided with a stop plate.

6. The hose length-segmentation cutting device according to claim 1, characterized in that: The positioning mechanism is located between adjacent length-fixing mechanisms and includes a connecting plate, a pressing cylinder, a pressure plate, a support plate, and a support base. The connecting plate is fixedly connected to the frame. The pressing cylinder is located on the connecting plate, and the output end of the pressing cylinder is provided with a pressure plate. One end of the pressure plate is provided with two symmetrically arranged pressure heads. The two pressure heads and the pressure plate body form a U-shaped opening. An elastic pressure strip is provided below the pressure heads. The support plate is located directly below the pressure plate and is connected to the frame through the support base. The pressure heads and the support plate cooperate to press the two ends of the opening of the positioning U-shaped flexible hose.

7. The hose length-segmentation cutting device according to claim 6, characterized in that: The cutting module also includes multiple guide components arranged in parallel along the traction direction. The guide components near the rear gripper are respectively located on both sides of the length-fixing mechanism near the rear gripper. The other guide components are arranged in pairs on both sides of the corresponding length-fixing mechanism. The guide components are used to guide the length-fixing mechanism to press down the hose and include a guide wheel, a guide plate one, and a guide plate two. The guide plate one is fixedly connected to the frame, and the guide plate two is connected to the guide plate one through a connecting shaft. The guide plate one and the guide plate two are arranged opposite to each other to form a V-shaped groove. The guide wheel is sleeved on the outside of the connecting shaft and is rotatably connected to the connecting shaft through a bearing. The guide wheel is located between the guide plate one and the guide plate two, at the bottom of the V-shaped groove. The outer side of the guide wheel is provided with an arc-shaped guide groove that cooperates with the hose.

8. The hose length-segmentation and cutting device according to claim 1, characterized in that: The cutting mechanism is located between the length-fixing mechanism and the positioning mechanism, and includes a mounting base, a cutting cylinder, a second slide rail, a centering plate, a knife holder, and a cutting blade. The mounting base is connected to the frame. The cutting cylinder is connected to the mounting base through a cylinder mounting plate, and its output end is connected to the centering plate through a centering connector. The centering plate is connected to the knife holder. The cutting cylinder has second slide rails fixed on the mounting base on both sides. The knife holder is also slidably connected to the second slide rail through a slider on the second slide rail. Multiple cutting blades are provided, each corresponding to one of the length-fixing mechanisms and located upstream of the length-fixing mechanism. Each cutting blade is connected to the knife holder through a blade rod.

9. The hose length-segmentation and cutting device according to claim 8, characterized in that: Below the cutter is a cutter groove corresponding to the cutter. The cutter groove is located in the middle of support plate one and support plate two. Support plate two is also connected to the frame through a support base.

10. The hose length-segmentation and cutting device according to any one of claims 1-9, characterized in that: It also includes a material handling mechanism mounted on the frame. The material handling mechanism includes a linear module, a slide rail 3, a conveyor seat, a material handling cylinder, and a material handling plate. The linear module is fixed to the frame by a module mounting bracket. The linear module has slide rail 3 fixed on the module mounting bracket on both sides. The conveyor seat is connected to the output end of the linear module and the slider on the slide rail 3. The material handling cylinder is fixed to the conveyor seat by a cylinder mounting bracket. Its output end is connected to the material handling plate. The material handling plate has multiple sets of material handling components corresponding to the fixed length mechanism. Each material handling component includes two gripper cylinders, which respectively grip the hoses on both sides of the upper end of the U-shaped hose. The output end of the gripper cylinder is provided with a material handling gripper.

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