Barb cutting mechanism for barbed suture line

Abstract

The utility model discloses a barb cutting mechanism for barb suture lines, which comprises two mounting strips arranged in parallel, and a station plate is mounted at the tops of the two mounting strips; the special-shaped plate is arranged on the inner sides of the two mounting strips, the stepping motor is mounted at the top of the special-shaped plate, and an output shaft of the stepping motor penetrates through the special-shaped plate and is connected with a fastening disc; the circular blade is mounted at the bottom of the fastening disc; the positioning assembly comprises a fixing ring mounted at the top of the circular blade and located on the outer side of the fastening disc, a rotating rod arranged at the top of the fixing ring, an annular groove formed in the bottom of the special-shaped plate and a plurality of balls arranged on the inner wall of the annular groove; the round blade positioning device has the advantages that through the designed positioning assembly, in the rotating process of the round blade, the rotating rod moves in the annular groove along with movement of the round blade, the balls play a role in reducing friction, meanwhile, the movement track of the rotating rod is limited, stability of the round blade is guaranteed, and position deviation of the round blade is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to barbed suture production and processing technical field, concretely relates to a barbed suture barb cutting mechanism. BACKGROUND

[0002] Surgical suture is used for ligature hemostasis, suture hemostasis and tissue suture in surgical operation and trauma disposal;Barbed suture realizes knot-free function through distributing barbs on the line body, and is convenient to use and can improve operation efficiency.

[0003] The patent with the publication number CN214323473U discloses a barbed suture barb cutting mechanism, which comprises a work station plate, an L-shaped plate is arranged on the work station plate, the short side of the L-shaped plate is fixed on the work station plate, a telescopic air cylinder is horizontally fixed on the inner side of the long side, the length direction of the work station plate and the length direction of the telescopic air cylinder are perpendicular to each other, a wire rail is fixed on the upper wall of the telescopic air cylinder, a sliding table is slidably fixed on the wire rail, a linkage block is vertically downwardly extended from one end of the sliding table to the outer side of the long side of the L-shaped plate, the piston rod of the telescopic air cylinder penetrates through the long side of the L-shaped plate and is connected to the linkage block, a connecting block is fixedly attached to the linkage block, a special-shaped plate is fixedly attached to the lower wall of the connecting block, the special-shaped plate is always located outside the work station plate, the special-shaped plate is L-shaped, a shaft cover plate is fixed on the upper side of the short side end of the special-shaped plate through a plurality of standing columns, an installation plate is fixed on the upper side of the long side end of the special-shaped plate through a plurality of standing columns, a rotating shaft is rotatably fixed between the special-shaped plate and the shaft cover plate, the rotating shaft is vertically arranged, a driven wheel is sleeved on the middle part of the rotating shaft, and a circular blade is sleeved on the lower end of the rotating shaft and penetrates through the special-shaped plate.

[0004] The circular blade is easily affected by various factors and deviates in position, for example, the movement of the telescopic air cylinder and the vibration of the stepping motor, which changes the position of the circular blade and further affects the accuracy of barb cutting, resulting in deviation of the depth, length and angle of the barb and reducing the quality of the barbed suture. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a barbed suture barb cutting mechanism, which solves the problem that the circular blade in the existing cutting mechanism is easily deviated in position and results in poor barb cutting accuracy.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a barbed suture barb cutting mechanism, which comprises

[0007] Two installation strips are arranged in parallel, and a work station plate is arranged on the top of the two installation strips;

[0008] A special-shaped plate is arranged on the inner side of the two installation strips, a stepping motor is arranged on the top of the special-shaped plate, and the output shaft of the stepping motor penetrates through the special-shaped plate and is connected with a fastening disc;

[0009] A circular blade is arranged on the bottom of the fastening disc;

[0010] Positioning assembly, the positioning assembly includes the fixed ring that installs to the top of the round blade and is located outside the fastening disc, the rotating rod that sets up in the top of the fixed ring, the annular groove that sets up in the bottom of the special-shaped plate, a plurality of ball bearings that set up in the inner wall of the annular groove, the one end of rotating rod extends to the inside of the annular groove and is attached with ball bearing.

[0011] Preferably, one end of the mounting strip is arc-shaped, and a hinge hole is formed in the interior of the mounting strip.

[0012] Preferably, the utility model also includes an L-shaped plate mounted on the top of the work station plate, and a telescopic air cylinder mounted on the side surface of the L-shaped plate.

[0013] Preferably, the output end of the telescopic air cylinder penetrates the L-shaped plate and is connected with a fastening plate, which is mounted on the top of the special-shaped plate.

[0014] Preferably, the fastening plate and the special-shaped plate are perpendicular, and limiting components are arranged on the work station plate and the special-shaped plate.

[0015] Preferably, the limiting components include limit rods symmetrically arranged on the side surface of the work station plate, and limit grooves formed in the special-shaped plate for the sliding of the limit rods.

[0016] Preferably, the outer wall of the fixed ring is provided with fixed ears symmetrically distributed, and the fixed ears are mounted on the top of the round blade.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] Through the positioning assembly, during the rotation of the round blade, the rotating rod moves in the annular groove along with the movement of the round blade, the ball bearings reduce friction and limit the movement track of the rotating rod, thereby ensuring the stability of the round blade and preventing the position deviation of the round blade. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the structural schematic diagram of the utility model; Figure 1 It is the enlarged structural schematic diagram of R area in the utility model;

[0021] Figure 3 It is the local structural schematic diagram of the positioning assembly of the utility model;

[0022] Figure 4 It is the structural schematic diagram of the fixed ring and rotating rod of the utility model;

[0023] Figure 5 It is the structural schematic diagram of the special-shaped plate of the utility model;

[0024] In the figure: 1, mounting strip; 11, hinged hole; 2, work station plate; 21, limiting rod; 3, L-shaped plate; 31, telescopic air cylinder; 4, special-shaped plate; 41, stepping motor; 42, limiting groove; 43, annular groove; 430, ball; 5, fastening plate; 6, round blade; 7, fastening disc; 8, fixing ring; 81, fixing lug; 82, rotating rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] Embodiment 1

[0027] Please refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 , which are the first embodiment of the present application, and the embodiment provides a barbed suture barb cutting mechanism, which comprises

[0028] Two mounting strips 1 are arranged in parallel, so that the mounting strip 1 is added, one end of the mounting strip 1 is arc-shaped, and a hinged hole 11 is formed in the inside of the mounting strip 1, which facilitates the connection and installation on the barb cutting machine, and the top of the two mounting strips 1 is provided with a work station plate 2, so that the support of the work station plate 2 is increased by the two mounting strips 1;

[0029] The special-shaped plate 4 is arranged on the inner side of the two mounting strips 1, the stepping motor 41 arranged on the top of the special-shaped plate 4 is screwed, so that the stepping motor 41 is stably installed, the output shaft of the stepping motor 41 penetrates through the special-shaped plate 4 and is connected with the fastening disc 7, and the fastening disc 7 is driven to rotate by starting the stepping motor 41;

[0030] The round blade 6 is arranged on the bottom of the fastening disc 7, when the fastening disc 7 is driven to rotate by the stepping motor 41, the round blade 6 can be driven to rotate, so that the barb is cut and processed obliquely on the surface of the passing suture;

[0031] The positioning assembly comprises a fixing ring 8 installed on the top of the circular blade 6 and located outside the fastening disc 7, the fixing ring 8 is additionally arranged, a rotating rod 82 arranged on the top of the fixing ring 8, the rotating rod 82 is additionally arranged, an annular groove 43 opened on the bottom of the special-shaped plate 4, the annular groove 43 is opened, a plurality of rolling balls 430 arranged on the inner wall of the annular groove 43, the rolling balls 430 are additionally arranged, one end of the rotating rod 82 extends to the inside of the annular groove 43 and is attached to the rolling balls 430, during the rotation of the circular blade 6, the rotating rod 82 moves in the annular groove 43 along with the movement of the circular blade 6, the rolling balls 430 play a role in reducing friction and limiting the movement track of the rotating rod 82, thereby ensuring the stability of the circular blade 6 and preventing the position deviation of the circular blade 6.

[0032] In the embodiment, preferably, the L-shaped plate 3 is additionally arranged on the top of the work station plate 2, the telescopic air cylinder 31 is installed on the side surface of the L-shaped plate 3, and the telescopic air cylinder 31 is stably installed.

[0033] In the embodiment, preferably, the output end of the telescopic air cylinder 31 penetrates through the L-shaped plate 3 and is connected with the fastening plate 5, the telescopic air cylinder 31 can drive the fastening plate 5 to move forward and backward, the fastening plate 5 is installed on the top of the special-shaped plate 4, the fastening plate 5 moves forward and backward to drive the special-shaped plate 4 to move synchronously, and the fastening plate 5 and the special-shaped plate 4 are perpendicular.

[0034] In the embodiment, preferably, the outer wall of the fixing ring 8 is provided with the symmetrical fixing lugs 81, the fixing lugs 81 are additionally arranged, the fixing lugs 81 are installed on the top of the circular blade 6 through screws, the fixing lugs 81 and the circular blade 6 are stably fixed, and therefore the fixing ring 8 is stably installed.

[0035] Embodiment 2

[0036] Please refer to Figures 1-5 As a second embodiment of the utility model, the embodiment is based on the previous embodiment, and the difference is that:

[0037] The work station plate 2 and the special-shaped plate 4 are provided with limiting components, the limiting components comprise the limiting rods 21 symmetrically arranged on the side surface of the work station plate 2, the limiting rods 21 are additionally arranged, the limiting grooves 42 are opened on the special-shaped plate 4 for the limiting rods 21 to slide, the limiting rods 21 and the limiting grooves 42 are matched, and the movement of the special-shaped plate 4 is stable.

[0038] The working principle and use process of the utility model are as follows: the whole cutting mechanism is installed on the barb cutting machine through the hinged holes 11 on the mounting strip 1.

[0039] The step motor 41 is started, and the output shaft drives the fastening disc 7 to rotate, and since the circular blade 6 is installed at the bottom of the fastening disc 7, the circular blade 6 is driven to rotate, and is prepared for cutting the suture; at the same time, the telescopic cylinder 31 is started, and the output end drives the fastening plate 5 to move forward and backward, the fastening plate 5 is installed at the top of the special-shaped plate 4, and is perpendicular to the special-shaped plate 4, so that the movement of the fastening plate 5 drives the special-shaped plate 4 to move synchronously;

[0040] The suture is placed at a proper position, and with the rotation of the circular blade 6 and the forward and backward movement of the special-shaped plate 4 (controlled by the telescopic cylinder 31), the circular blade 6 cuts the surface of the passing suture obliquely, and processes the barb;

[0041] During the rotation of the circular blade 6, the positioning assembly plays a role; the rotating rod 82 on the top fixed ring 8 of the circular blade 6 extends to the annular groove 43 at the bottom of the special-shaped plate 4, and is in close contact with the rolling ball 430 in the inner wall of the annular groove 43; the rotating rod 82 moves in the annular groove 43 with the movement of the circular blade 6, the rolling ball 430 reduces the friction, and at the same time, limits the movement track of the rotating rod 82, guarantees the stability of the circular blade 6, and prevents the position from deviating; in addition, the limiting components on the work station plate 2 and the special-shaped plate 4 also play a stabilizing role, the limiting rod 21 on the side surface of the work station plate 2 slides in the limiting groove 42 on the special-shaped plate 4, and the stability of the movement of the special-shaped plate 4 is increased.

[0042] Although the embodiments of the utility model have been shown and described, and the detailed description is shown above, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A barbed suture barb cutting mechanism characterized by: The utility model relates to a cutting device for workpiece, which comprises two installation strips (1) arranged in parallel, a workpiece plate (2) mounted on the top of the two installation strips (1), a special-shaped plate (4) arranged on the inner side of the two installation strips (1), a stepping motor (41) mounted on the top of the special-shaped plate (4), an output shaft of the stepping motor (41) penetrating through the special-shaped plate (4) and connected with a fastening disc (7), a circular blade (6) mounted on the bottom of the fastening disc (7), a positioning assembly comprising a fixing ring (8) mounted on the top of the circular blade (6) and located on the outer side of the fastening disc (7), a rotating rod (82) arranged on the top of the fixing ring (8), an annular groove (43) opened on the bottom of the special-shaped plate (4), a plurality of rolling balls (430) arranged on the inner wall of the annular groove (43), one end of the rotating rod (82) extending to the inside of the annular groove (43) and abutting against the rolling balls (430). One end of the installation strip (1) is arc-shaped, and a hinged hole (11) is opened in the inside of the installation strip (1). The utility model further comprises an L-shaped plate (3) mounted on the top of the workpiece plate (2) and a telescopic air cylinder (31) mounted on the side surface of the L-shaped plate (3). The output end of the telescopic air cylinder (31) penetrates through the L-shaped plate (3) and is connected with a fastening plate (5) mounted on the top of the special-shaped plate (4). The fastening plate (5) and the special-shaped plate (4) are perpendicular, and the workpiece plate (2) and the special-shaped plate (4) are provided with limiting components.

2. A barb suture barb cutting mechanism according to claim 1 wherein: The limiting components comprise limiting rods (21) symmetrically arranged on the side surface of the workpiece plate (2) and limiting grooves (42) opened on the special-shaped plate (4) for the limiting rods (21) to slide.

3. A barb suture barb cutting mechanism according to claim 1 wherein: The outer wall of the fixing ring (8) is provided with symmetrically distributed fixing ears (81) mounted on the top of the circular blade (6).

4. A barb suture barb cutting mechanism according to claim 3, wherein: ​ 5. A barbed suture barb cutting mechanism according to claim 4 wherein: ​ 6. A barb suture barb cutting mechanism according to claim 5, wherein: ​ 7. A barbed suture barb cutting mechanism according to claim 1 wherein: ​

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