CN115573162A - Automatic cutter for thermosetting medical suture - Google Patents

Abstract

The invention discloses a medical suture line thermosetting automatic cutting machine, and belongs to the technical field of textile machinery. The automatic cutter for thermosetting medical suture comprises a rack, a tension pay-off device, a heating curing device, a traction length fixing device and a cutting device, wherein the tension pay-off device is arranged on one side of the rack and comprises a wire coil; the heating and curing device comprises a heating block; the traction length control device comprises a linear module, a movable finger cylinder and a fixed finger cylinder, wherein the linear module is connected with the movable finger cylinder in a sliding manner; the cutting device comprises a blade. The invention can accurately cut the suture lines with the same length, does not need manual participation in the cutting process, does not cause pollution to the suture lines, saves a large amount of labor cost, can realize continuous automatic cutting and has high efficiency; the cut suture line can be hardened at the fracture, the loose suture line which cannot be threaded can not be generated, the suture line at the loose position does not need to be cut at the later stage, the threading is convenient, and the waste of the suture line is avoided.

Description

Automatic cutter for thermosetting medical suture

Technical Field

The invention relates to a medical suture heat curing automatic cutting machine, and belongs to the technical field of textile machinery.

Background

A surgical suture is a linear material that can be used on a patient to suture together split tissues, or to suture bleeding tissues, or for ligation. The length and thickness of the suture thread are different depending on the site of use.

In order to meet the market demands and meet the use requirements of doctors, manufacturers of different sutures mostly adopt a manual fixed-length cutting technology, namely, the medical sutures are manually cut into the same length to meet the use requirements, the manual cutting efficiency is low, and the labor cost is high. Because the cutting length can not be accurately calculated manually, overlong or overlong medical suture lines can be cut easily, and the waste of the suture lines is caused. And the suture line is easy to be polluted by manual cutting, and the subsequent treatment cost of decontamination, disinfection and the like is increased. In addition, the easy loose difficult later stage threading of cutting off the cutting department of stylolite of manual cut off can lead to the waste of stylolite and use inconvenient.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the automatic cutter for thermosetting the medical suture, which can accurately cut the suture with the same length so as to meet the use requirement, does not need manual participation in the cutting process, does not cause suture pollution, saves a large amount of labor cost, can realize continuous automatic cutting and has high efficiency; and the broken part of the cut suture can be hardened, the problem that the suture is loose and cannot be threaded can be avoided, the suture at the loose part does not need to be cut at the later stage, the threading is convenient, and the waste of the suture is avoided.

The automatic thermal-curing cutter for medical suture comprises: a frame; the tension pay-off device is arranged on one side of the rack and comprises a wire coil; the heating and curing device is arranged on the rack and comprises a heating block; the traction length control device is mounted on the rack and comprises a linear module, a movable finger cylinder and a fixed finger cylinder, and the linear module is connected with the movable finger cylinder in a sliding manner; and a cutting device mounted on the frame, the cutting device including a blade; the fixed finger cylinder is located between the blade and the heating block, one end of a suture is wound on the wire coil, the other end of the suture is pulled to the heating block by the movable finger cylinder, the heating block is used for heating and curing the suture, the heated and cured suture is continuously pulled to the blade by the movable finger cylinder, and the blade cuts off the suture from the heating and curing section of the suture.

In one embodiment of the invention, the heating and curing device further comprises a curing bottom plate, a curing frame transverse plate, a curing frame vertical plate, a pneumatic sliding table, a cylinder connecting plate, a curing finger cylinder and a heating block fixing frame; the solidification frame diaphragm fixed connection is on the solidification bottom plate, the solidification frame riser is connected with solidification frame diaphragm, pneumatic slip table installs on the mount riser, the solidification indicates the cylinder to pass through the cylinder connecting plate and is connected with pneumatic slip table, install the heating block mount on two gas claws of solidification finger cylinder respectively, every the equal fixedly connected with heating block of heating block mount.

In one embodiment of the invention, a plurality of through holes are uniformly formed in the heating blocks, heating rods are arranged in the through holes, the number of the heating blocks is two, a gap is formed at one end of each of the two heating blocks, and the suture line is positioned in the gap and is not in contact with the heating blocks; the curing finger cylinder drives the heating block fixing frame and the heating blocks to lift on the pneumatic sliding table, when the curing finger cylinder descends to a set position, the fixing finger cylinder drives the heating block fixing frame to close so that the two heating blocks are in butt joint, and a gap between the two heating blocks is clamped on the suture line and heats and cures the suture line; after heating and curing are completed, the fixed finger cylinder drives the heating block fixing frame to open so as to separate the two heating blocks, and the fixed finger cylinder drives the heating block fixing frame and the heating blocks to ascend so as to enable the heating blocks to be far away from the suture line; the length of the suture heating and curing section is equal to the length of the heating block.

In one embodiment of the invention, the traction length control device further comprises a motor, a speed reducer, a movable finger cylinder bracket and a fixed finger cylinder bracket; the motor is connected with the speed reducer, the speed reducer is connected to a power input interface of the linear module, the linear module is fixedly connected to the rack, the movable finger cylinder is fixedly connected to the movable finger cylinder support, the movable finger cylinder support is fixedly connected to the sliding block of the linear module, and the motor is used for driving the movable finger cylinder, the movable finger cylinder support and the sliding block to slide on the linear module; the fixed finger cylinder is fixedly connected to the curing bottom plate through a fixed finger cylinder support, and the curing bottom plate is fixed to the rack.

In one embodiment of the invention, the cutting device further comprises a cutting cylinder bottom plate, a cutting finger cylinder and a blade frame; cut off finger cylinder fixed connection on cutting off the cylinder bottom plate, cut off cylinder bottom plate fixed connection in the frame and be located one side of fixed finger cylinder, cut off and be provided with two sliders on the finger cylinder, equal fixedly connected with blade frame on every slider, fixedly connected with blade on the blade frame, two blade mutual dispositions have inside sunken edge of a knife on the blade, cut off and point the cylinder and drive two blade frames and blade relative motion respectively through two sliders, relative motion's blade contacts and cuts off the stylolite.

In one embodiment of the invention, the tension pay-off device further comprises a pay-off right support, a pay-off left support, a center shaft locking sleeve, a ball rod, a wire coil right taper sleeve, a wire coil left taper sleeve, a transmission shaft, a flange sleeve, a magnetic powder clutch and a wire coil shifting plate; the pay-off right bracket is fixedly connected with a center shaft locking sleeve, the center shaft penetrates through the center shaft locking sleeve, the ball rod is fixedly connected to the center shaft, and the wire coil right taper sleeve is installed at one end of the center shaft through a bearing; the flange sleeve is fixedly connected to the pay-off left bracket, the transmission shaft and the flange sleeve are supported through a bearing, one end of the transmission shaft is connected with the magnetic powder clutch, and the other end of the transmission shaft is connected with the wire coil left taper sleeve; a wire coil is arranged between the wire coil right taper sleeve and the wire coil left taper sleeve; the wire coil shifting plate is fixed on the left taper sleeve of the wire coil and clamped in the groove on the end face of the wire coil.

In one embodiment of the invention, a front wire passing wheel support, a middle wire passing wheel support and a rear wire passing wheel support are sequentially arranged on the rack from left to right, wire passing wheels are respectively arranged on the front wire passing wheel support, the middle wire passing wheel support and the rear wire passing wheel support, a suture wire sequentially passes through the three wire passing wheels, the three wire passing wheels are arranged in a staggered mode in the vertical direction, the wire passing wheel in the middle is higher than the wire passing wheels at two ends, the top ends of the wire passing wheels at two ends are in contact with the suture wire, and the bottom end of the wire passing wheel in the middle is in contact with the suture wire.

In an embodiment of the invention, the frame is further provided with a suture line placing box, the suture line placing box is positioned at one side of the cutting finger cylinder, and the suture line cut by the cutting finger cylinder falls on the suture line placing box and is collected.

In one embodiment of the present invention, the movable finger cylinder and the fixed finger cylinder are 180-degree open/close air claw cylinders, the motor is a servo motor and is provided with an encoder inside, the frame is further provided with a housing and a control panel, the control panel is electrically connected with the motor, and the heating rod is provided with a temperature sensor.

In one embodiment of the invention, a rotary cylinder is arranged between the cutting cylinder bottom plate and the cutting finger cylinder, the rotary cylinder is positioned right below the center of the cutting finger cylinder, and the rotary cylinder is used for driving the cutting finger cylinder and the blade to rotate.

Advantageous effects

(1) The invention adopts the linear module to pull the suture to move, and the moving length of the sliding block can be controlled according to the requirement so as to accurately control the length of the suture; when the movable finger cylinder clamps the suture, the fixed finger cylinder loosens the suture; when the movable finger cylinder pulls the center of the suture heating and curing section to move to the cutting device, the fixed finger cylinder and the movable finger cylinder clamp the suture at the same time, and then the suture is cut off; after the cutting is finished, the movable finger cylinder is moved to the left side of the fixed finger cylinder and clamps the suture line, so that continuous automatic production is realized; the invention adopts the cylinder with one moving finger and the other static finger, which is equivalent to that two hands of a person pull the rope, thereby ensuring the levelness of the suture and keeping the suture in a stretching state all the time so as to accurately realize the fixed-length cutting of the suture and realize the cutting work of the suture which is far larger than the stroke length of the linear module by multiple times of pulling.

(2) The heating and curing device can heat and cure the suture line at the cutting position of the suture line, so that the cut suture line is hardened without the problem that the suture line is loose and cannot be threaded, the suture line at the loose position is not required to be cut at the later stage, the threading is convenient, and the waste of the suture line is avoided.

(3) The automatic suture line cutting device can accurately cut suture lines with the same length to meet the use requirement, does not need manual participation in the cutting process, does not cause suture line pollution, saves a large amount of labor cost, can realize continuous automatic cutting, and has high working efficiency.

(4) According to the invention, the heating block is preheated by the heating rod, so that the temperature of the whole heating block is uniform, the preheated heating block heats and solidifies the suture line in the gap, and the suture line is not in contact with the heating block, so that the suture line is not fused due to overhigh temperature caused by quick heating; the temperature sensor is arranged on the heating rod, the temperature of the heating rod is monitored through the temperature sensor to control the temperature of the heating block, the situation that the suture is fused due to overhigh heating temperature of the suture or the situation that the suture cannot be solidified due to overlow heating temperature of the suture is avoided; further, the material of heating piece is copper, can heat the copper product fast through the heating rod, has further improved the heating solidification effect to the seam.

(5) The cutting blade is provided with an inwards concave knife edge, the cutting finger cylinder respectively drives the two blade holders and the cutting blade to move relatively through the two sliding blocks, and the cutting blades which move relatively are in contact with each other and cut off a middle suture line; through the relative motion and the blade that has the incision of inside sunken, can cut off the stylolite fast accurately and prevent that the stylolite from producing the deviation displacement, guaranteed that the stylolite realizes the definite length and cuts off.

(6) The invention can ensure the levelness of the suture line by arranging the three wire passing wheels which are arranged in a staggered way in the vertical direction, so that the length of the cut suture line is consistent, and the length error is prevented.

(7) The motor is a servo motor and is internally provided with an encoder, the rack is also provided with a control panel, the control panel is electrically connected with the motor, the operation of the motor is controlled through the control panel, the displacement of the moving finger cylinder can be accurately controlled through the servo motor and the encoder, the advancing distance of a suture is further accurately controlled, the cutting position of the suture is further accurately controlled, and the fixed-length cutting of the suture is realized; and the cylinders that adopt all are connected with control panel electricity, and all install position sensor on the cylinder, and control panel can control the accurate coordination work of each cylinder through position sensor.

(8) The suture line is cut off from the center of the suture line heating and curing section, so that two ends of the cut suture line cannot be loosened, the two ends of the cut suture line are convenient to thread, the suture line is cut off in a fixed length, and the suture line with the same length is accurately cut to meet the use requirement.

(9) According to the invention, before the cutting finger cylinder drives the blade to cut off the suture, the cutting finger cylinder and the blade are driven to rotate by 45 degrees through the rotating cylinder, and the blade after rotating by 45 degrees cuts off the suture, so that the suture can be cut by 45 degrees, the subsequent threading of the suture is facilitated, and the convenience of the subsequent threading is increased.

Drawings

FIG. 1 is a perspective view of an automatic thermal setting cutter for medical suture according to the present invention.

FIG. 2 is a left side view of the automatic heat setting cutting machine for medical suture according to the present invention.

Fig. 3 is a sectional view of the tension releasing device of the present invention.

FIG. 4 is a perspective view of an automatic thermal setting cutting machine for medical sutures according to the present invention with the cover and a portion of the frame removed.

Fig. 5 is a perspective view of a heat setting device, a pull-off length control device, and a cutting device of the present invention.

FIG. 6 is a perspective view of a further perspective of the thermal curing apparatus, the pull-to-length apparatus, and the cutting apparatus of the present invention.

Fig. 7 is a perspective view of the heat curing apparatus of the present invention.

Fig. 8 is a perspective view of a trailing definite length device of the present invention.

Fig. 9 is a perspective view of the cutting device of the present invention.

Wherein: 1. paying off a right bracket; 2. paying off the left bracket; 3. a tip shaft; 4. a tip shaft locking sleeve; 5. a ball bar; 6. a wire coil right taper sleeve; 7. a left taper sleeve of the wire coil; 8. a drive shaft; 9. a flange sleeve; 10. a magnetic powder clutch; 11. wire coiling; 12. a wire coil pulling plate; 13. curing the bottom plate; 14. a transverse plate of the curing frame; 15. solidifying the vertical plate of the frame; 16. a pneumatic sliding table; 17. a cylinder connecting plate; 18. curing the finger cylinder; 19. a heating block fixing frame; 20. a heating block; 21. a slider; 22. a motor; 23. a speed reducer; 24. a linear module; 25. moving the finger cylinder bracket; 26. a finger moving cylinder; 27. fixing a finger cylinder bracket; 28. fixing a finger cylinder; 29. cutting off the cylinder bottom plate; 30. cutting off the finger cylinder; 31. a blade holder; 32. a blade; 33. a through hole; 34. a wire passing wheel; 35. a front wire wheel support; 36. a middle wire wheel bracket; 37. a rear wire wheel support; 38. a suture placement box; 39. a suture; 40. a frame; 41. a housing; 42. a control panel; 43. and (4) a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, releasably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Example 1

An automatic cutter for thermosetting medical suture, as shown in fig. 1-4, comprises a frame 40, a tension pay-off device, a heating and curing device, a traction length fixing device and a cutting device, wherein the tension pay-off device is arranged on one side of the frame 40 and comprises a wire coil 11; the heating and curing device is arranged on the rack 40 and comprises a heating block 20; the traction fixed length device is arranged on the rack 40 and comprises a linear module 24, a movable finger cylinder 26 and a fixed finger cylinder 28, and the linear module 24 is connected with the movable finger cylinder 26 in a sliding manner; the cutting device is arranged on the frame 40 and comprises a blade 32; wherein, the fixed finger cylinder 28 is positioned between the blade 32 and the heating block 20, one end of the suture 39 is wound on the wire coil 11, the other end is drawn to the heating block 20 by the moving finger cylinder 26, the heating block 20 is used for heating and curing the suture 39, the suture 39 after heating and curing is continuously drawn to the blade 32 by the moving finger cylinder 26, and the blade 32 cuts the suture 39 from the heating and curing section of the suture 39.

As shown in fig. 1-3, the tension pay-off device comprises a pay-off right support 1, a pay-off left support 2, a center shaft 3, a center shaft locking sleeve 4, a ball rod 5, a wire coil right taper sleeve 6, a wire coil left taper sleeve 7, a transmission shaft 8, a flange sleeve 9, a magnetic powder clutch 10, a wire coil 11 and a wire coil poking plate 12; a center shaft locking sleeve 4 is fixedly connected to the pay-off right bracket 1, the center shaft 3 penetrates through the center shaft locking sleeve 4, the ball rod 5 is fixedly connected to the center shaft 3, and the wire coil right taper sleeve 6 is installed at one end of the center shaft 3 through a bearing; the flange sleeve 9 is fixedly connected to the pay-off left bracket 2, the transmission shaft 8 and the flange sleeve 9 are supported through a bearing, one end of the transmission shaft 8 is connected with the magnetic powder clutch 10, and the other end of the transmission shaft is connected with the wire coil left taper sleeve 7; a wire coil 11 is arranged between the wire coil right taper sleeve 6 and the wire coil left taper sleeve 7; the wire coil shifting plate 12 is fixed on the wire coil left taper sleeve 7 and clamped in a groove in the end face of the wire coil 11, and the suture thread 39 is wound on the wire coil 11.

As shown in fig. 5-7, the heating and curing device includes a curing bottom plate 13, a curing frame horizontal plate 14, a curing frame vertical plate 15, a pneumatic sliding table 16, a cylinder connecting plate 17, a curing finger cylinder 18, a heating block fixing frame 19 and a heating block 20; curing frame diaphragm 14 fixed connection is on curing bottom plate 13, curing frame riser 15 is connected with curing frame diaphragm 14, pneumatic slip table 16 is installed on mount riser 15, curing finger cylinder 18 is connected with pneumatic slip table 16 through cylinder connecting plate 17, install heating block mount 19, every on two gas claws of curing finger cylinder 18 respectively heating block mount 19 equal fixedly connected with heating block 20.

Furthermore, a plurality of through holes 33 are uniformly formed in the heating blocks 20, heating rods are arranged in the through holes 33, the number of the heating blocks 20 is two, notches 43 are formed in opposite ends of the two heating blocks 20, and the suture lines 39 are located in the notches 43 and do not contact the heating blocks 20; the solidification indicates cylinder 18 to drive heating block mount 19 and heating block 20 and goes up and down on pneumatic slip table 16, when solidification indicates cylinder 18 to descend to the set position, solidification indicates that cylinder 18 drive heating block mount 19 is closed so that two heating blocks 20 are inconsistent, and breach 43 between two heating blocks 20 presss from both sides on stylolite 39. The plurality of heating rods preheat the heating block 20 to enable the temperature of the whole heating block 20 to be uniform, the preheated heating block 20 heats and solidifies the suture thread 39 in the gap 43, and the suture thread 39 is not in contact with the heating block 20, so that the suture thread 39 is not fused due to the fact that the suture thread 39 is not excessively high in temperature due to the heating block 20; after heating for a certain time, the curing finger cylinder 18 drives the heating block fixing frame 19 to open so as to separate the two heating blocks 20, meanwhile, the curing finger cylinder 18 drives the heating block fixing frame 19 and the heating blocks 20 to ascend, so that the heating blocks 20 are far away from the suture line 39, and thus, the heating and curing of the suture line 39 are completed; the length of the heated and cured section of suture 39 is equal to the length of heating block 20.

Further, a temperature sensor is arranged on the heating rod, the temperature of the heating rod is monitored through the temperature sensor to control the temperature of the heating block 20, the suture 39 is prevented from being fused due to the fact that the suture 39 is heated at a high temperature, or the suture 39 is prevented from being solidified due to the fact that the suture 39 is heated at a low temperature. Further, the material of heating block 20 is copper, can heat the copper product fast through the heating rod, has further improved the heating solidification effect to suture 39.

As shown in fig. 4-6 and 8, the traction length control device includes a motor 22, a speed reducer 23, a linear module 24, a moving finger cylinder bracket 25, a moving finger cylinder 26, a fixed finger cylinder bracket 27 and a fixed finger cylinder 28; the motor 22 is connected with the speed reducer 23, the speed reducer 23 is connected to a power input interface of the linear module 24, the linear module 24 is fixedly connected to the rack 40, the movable finger cylinder 26 is fixedly connected to the movable finger cylinder bracket 25, the movable finger cylinder bracket 25 is fixedly connected to the sliding block 21 of the linear module 24, and the motor 22 is used for driving the movable finger cylinder 26, the movable finger cylinder bracket 25 and the sliding block 21 to slide on the linear module 24; the fixed finger cylinder 28 is fixedly connected to the curing bottom plate 13 through a fixed finger cylinder bracket 27, and the curing bottom plate 13 is fixed on the machine frame 40.

As shown in fig. 4-6 and 9, the cutting device includes a cutting cylinder bottom plate 29, a cutting finger cylinder 30, a blade holder 31 and a blade 32; cut off finger cylinder 30 fixed connection on cutting off cylinder bottom plate 29, cut off cylinder bottom plate 29 fixed connection in frame 40 and be located one side of fixed finger cylinder 28, cut off and be provided with two sliders on the finger cylinder 30, equal fixedly connected with blade frame 31 on every slider, fixedly connected with blade 32 on the blade frame 31, two blade 32 mutual dispositions have inside sunken edge of a knife on the blade 32, cut off finger cylinder 30 and drive two blade frames 31 and blade 32 relative motion respectively through two sliders, relative motion's blade 32 contacts and cuts off suture 39 in the middle of with. By the relatively moving blade 32 having the inwardly depressed cutting edge, the suture thread 39 can be cut off quickly and accurately and the biased displacement of the suture thread 39 can be prevented.

Further, a front wire passing wheel support 35, a middle wire passing wheel support 36 and a rear wire passing wheel support 37 are sequentially mounted on the rack 40 from left to right, the wire passing wheels 34 are arranged on the front wire passing wheel support 35, the middle wire passing wheel support 36 and the rear wire passing wheel support 37, the suture thread 39 sequentially passes through the three wire passing wheels 34, the three wire passing wheels 34 are arranged in a staggered mode in the vertical direction, the wire passing wheel 34 in the middle is higher than the wire passing wheels 34 at two ends, the top ends of the wire passing wheels 34 at two ends are in contact with the suture thread 39, the bottom end of the wire passing wheel 34 in the middle is in contact with the suture thread 39, the levelness of the suture thread 39 can be guaranteed by arranging the three wire passing wheels 34 in a staggered mode in the vertical direction, the cut suture thread 39 is consistent in length, and length errors are prevented.

Further, a suture thread placing box 38 is arranged on the machine frame 40, the suture thread placing box 38 is positioned at one side of the cutting finger cylinder 30, and the suture thread 39 cut by the cutting finger cylinder 30 falls on the suture thread placing box 38 and is collected.

Further, the moving finger cylinder 26 and the fixed finger cylinder 28 are 180-degree open/close pneumatic claw cylinders.

Further, motor 22 is servo motor and built-in has the encoder, still be provided with housing 41 and control panel 42 on the frame 40, control panel 42 with motor 22 electricity is connected, through the operation of control panel 42 control motor 22, can control the displacement that removes finger cylinder 26 accurately through servo motor and encoder, and then the distance that accurate control stylolite 39 gos forward, then accurate control stylolite 39's cut-off position realizes the cut-off of stylolite 39 definite length.

Further, the cylinders are electrically connected with the control panel 42, position sensors are mounted on the cylinders, and the control panel 42 can control the cylinders to work in a coordinated manner accurately through the position sensors.

The working principle of the invention is as follows: firstly, the moving finger cylinder 26 is moved to the left side of the fixed finger cylinder 28, the suture 39 is led out from the wire coil 11 in the tension pay-off device, passes through the three wire passing wheels 34 in sequence and is clamped and fixed by the fixed finger cylinder 28. The air claw of the movable finger cylinder 26 is closed and clamps the suture thread 39, the air claw of the fixed finger cylinder 28 is released, the movable finger cylinder 26 pulls the suture thread 39 to move to the setting position when the linear module 34 moves, the curing finger cylinder 18 descends and closes the two heating block fixing frames 19, the heating rod heats the heating block 20, and the heating block 20 heats and cures the suture thread 39 in the notch 43 of the heating block 20. After heating for a set time, the curing finger cylinder 18 opens the two heating block holders 19 and rises to the initial position. At this time, the moving finger cylinder 26 clamps the suture 39, and continues to pull the suture 39 to move forward, so that the center of the heated and solidified section of the suture 39 moves to the cutting device, the air jaws of the fixed finger cylinder 28 are closed, and the fixed finger cylinder 28 and the moving finger cylinder 26 clamp the suture 39 simultaneously. The cutting finger cylinder 30 drives the two blade holders 31 and the blades 32 to move relatively, the blades 32 which move relatively contact and cut the suture 39 from the center of the heated and solidified section of the suture 39, and the pneumatic claw of the moving finger cylinder 26 is released, so that the cut suture 39 falls onto the suture placing box 38 and is collected. The moving finger cylinder 26 is moved to the left of the fixed finger cylinder 28 and clamps the suture thread 39, and the steps are continuously repeated to realize continuous automatic production.

Wherein, because the suture 39 is cut off from the center of the heating and curing section of the suture 39, the two ends of the cut suture 39 can not be loosened, the two ends of the cut suture 39 are convenient for threading, meanwhile, the fixed-length cutting of the suture 39 is ensured, and the suture 39 with the same length is accurately cut to meet the use requirement.

Example 2

The present embodiment differs from embodiment 1 in that a rotary cylinder for driving the cutting finger cylinder 30 and the blade 32 to rotate is provided between the cutting cylinder bottom plate 29 and the cutting finger cylinder 30, and the rotary cylinder is located directly below the center of the cutting finger cylinder 30. Before the cutting finger cylinder 30 drives the blade 32 to cut the suture 39, the rotating cylinder drives the cutting finger cylinder 30 and the blade 32 to rotate 45 degrees, and the blade 32 after rotating 45 degrees cuts the suture 39, so that the suture 39 can be cut at 45 degrees, the subsequent threading of the suture 39 is facilitated, and the convenience of the subsequent threading is increased.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims (10)

1. A medical suture heat-setting automatic cutting machine, comprising:

a frame (40);

a tension pay-off device installed at one side of the frame (40), the tension pay-off device including a wire coil (11);

the heating and curing device is arranged on the rack (40) and comprises a heating block (20);

the traction length control device is installed on the rack (40), and comprises a linear module (24), a movable finger cylinder (26) and a fixed finger cylinder (28), wherein the linear module (24) is connected with the movable finger cylinder (26) in a sliding manner; and

a severing device mounted on the frame (40), the severing device including a blade (32);

wherein the fixed finger cylinder (28) is positioned between the blade (32) and the heating block (20), one end of the suture (39) is wound on the coil (11), the other end of the suture is pulled to the heating block (20) by the moving finger cylinder (26), the heating block (20) is used for heating and curing the suture (39), the suture (39) after heating and curing is continuously pulled to the blade (32) by the moving finger cylinder (26), and the blade (32) cuts the suture (39) from the heating and curing section of the suture (39).

2. The automatic cutter for thermosetting curing of medical suture according to claim 1, wherein said heating and curing device further comprises a curing bottom plate (13), a curing frame horizontal plate (14), a curing frame vertical plate (15), a pneumatic sliding table (16), a cylinder connecting plate (17), a curing finger cylinder (18) and a heating block fixing frame (19); solidification frame diaphragm (14) fixed connection is on solidification bottom plate (13), solidification frame diaphragm (15) is connected with solidification frame diaphragm (14), pneumatic slip table (16) are installed on mount diaphragm (15), solidification finger cylinder (18) are connected with pneumatic slip table (16) through cylinder connecting plate (17), install heating block mount (19), every on two gas claws of solidification finger cylinder (18) respectively heating block mount (19) equal fixedly connected with heating block (20).

3. The automatic thermal-curing cutting machine for medical sutures according to claim 2, characterized in that a plurality of through holes (33) are uniformly arranged on the heating block (20), a heating rod is arranged in each through hole (33), the number of the heating blocks (20) is two, a notch (43) is arranged at one end of each heating block (20) opposite to the other end, and the suture (39) is positioned in the notch (43) and is not contacted with the heating blocks (20); the curing finger cylinder (18) drives the heating block fixing frame (19) and the heating blocks (20) to lift on the pneumatic sliding table (16), when the curing finger cylinder (18) descends to a set position, the curing finger cylinder (18) drives the heating block fixing frame (19) to close so that the two heating blocks (20) are in contact with each other, and a gap (43) between the two heating blocks (20) is clamped on the suture line (39) and heats and cures the suture line (39); after heating and curing are completed, the curing finger cylinder (18) drives the heating block fixing frame (19) to open so as to separate the two heating blocks (20), and the curing finger cylinder (18) drives the heating block fixing frame (19) and the heating blocks (20) to ascend so as to enable the heating blocks (20) to be far away from the suture line (39); the length of the heating and curing section of the suture line (39) is equal to that of the heating block (20).

4. The automatic machine for thermal curing and cutting of medical sutures according to claim 1, characterized in that the traction length control device further comprises a motor (22), a speed reducer (23), a moving finger cylinder bracket (25) and a fixed finger cylinder bracket (27); the motor (22) is connected with the speed reducer (23), the speed reducer (23) is connected to a power input interface of the linear module (24), the linear module (24) is fixedly connected to the rack (40), the movable finger cylinder (26) is fixedly connected to the movable finger cylinder support (25), the movable finger cylinder support (25) is fixedly connected to the sliding block (21) of the linear module (24), and the motor (22) is used for driving the movable finger cylinder (26), the movable finger cylinder support (25) and the sliding block (21) to slide on the linear module (24); the fixed finger cylinder (28) is fixedly connected to the curing bottom plate (13) through a fixed finger cylinder support (27), and the curing bottom plate (13) is fixed on the rack (40).

5. The automatic thermo-curing cutter for medical suture according to claim 1, wherein said cutting means further comprises a cutting cylinder base plate (29), a cutting finger cylinder (30) and a blade holder (31); cut off finger cylinder (30) fixed connection on cutting off cylinder bottom plate (29), cut off cylinder bottom plate (29) fixed connection and be located one side of fixed finger cylinder (28) in frame (40), cut off and be provided with two sliders on finger cylinder (30), equal fixedly connected with blade frame (31) on every slider, fixedly connected with blade (32) on blade frame (31), two blade (32) mutual dispositions have inside sunken edge of a knife on blade (32), cut off finger cylinder (30) and drive two blade frames (31) and blade (32) relative motion respectively through two sliders, relative motion's blade (32) contact and cut off stylolite (39).

6. The automatic cutter for thermosetting medical suture according to claim 1, wherein the tension pay-off device further comprises a pay-off right bracket (1), a pay-off left bracket (2), a center shaft (3), a center shaft locking sleeve (4), a ball rod (5), a wire coil right taper sleeve (6), a wire coil left taper sleeve (7), a transmission shaft (8), a flange sleeve (9), a magnetic powder clutch (10) and a wire coil dial plate (12); a center shaft locking sleeve (4) is fixedly connected to the pay-off right support (1), the center shaft (3) penetrates through the center shaft locking sleeve (4), the ball rod (5) is fixedly connected to the center shaft (3), and the wire coil right taper sleeve (6) is mounted at one end of the center shaft (3) through a bearing; the flange sleeve (9) is fixedly connected to the pay-off left bracket (2), the transmission shaft (8) and the flange sleeve (9) are supported through a bearing, one end of the transmission shaft (8) is connected with the magnetic powder clutch (10), and the other end of the transmission shaft is connected with the wire coil left taper sleeve (7); a wire coil (11) is arranged between the wire coil right taper sleeve (6) and the wire coil left taper sleeve (7); the wire coil shifting plate (12) is fixed on the wire coil left taper sleeve (7) and clamped in a groove in the end face of the wire coil (11).

7. The automatic cutting machine for thermosetting of medical suture according to claim 1, wherein a front wire passing wheel support (35), a middle wire passing wheel support (36) and a rear wire passing wheel support (37) are sequentially installed on the rack (40) from left to right, the wire passing wheels (34) are respectively arranged on the front wire passing wheel support (35), the middle wire passing wheel support (36) and the rear wire passing wheel support (37), the suture (39) sequentially passes through the three wire passing wheels (34), the three wire passing wheels (34) are arranged in a staggered manner in the vertical direction, the wire passing wheel (34) in the middle is higher than the wire passing wheels (34) at both ends, the top ends of the wire passing wheels (34) at both ends are in contact with the suture (39), and the bottom end of the wire passing wheel (34) in the middle is in contact with the suture (39).

8. The automatic thermal suture cutting-off machine for medical sutures according to claim 5, characterized in that the frame (40) is further provided with a suture placing box (38), the suture placing box (38) is positioned at one side of the cutting finger cylinder (30), and the suture (39) cut by the cutting finger cylinder (30) falls down on the suture placing box (38) to be collected.

9. The automatic thermal-curing cutting machine for medical sutures according to claim 4, characterized in that the moving finger cylinder (26) and the fixed finger cylinder (28) are 180-degree open-close air claw cylinders, the motor (22) is a servo motor and is provided with an encoder inside, the frame (40) is further provided with a cover (41) and a control panel (42), the control panel (42) is electrically connected with the motor (22), and the heating rod is provided with a temperature sensor.

10. The automatic thermal suture cutting-off machine as claimed in claim 5, characterized in that a rotary cylinder is arranged between the cutting cylinder bottom plate (29) and the cutting finger cylinder (30), and the rotary cylinder is positioned right below the center of the cutting finger cylinder (30) and is used for driving the cutting finger cylinder (30) and the blade (32) to rotate.

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