Guide wire bending and cutting device

Abstract

A guide wire bending and cutting device comprises a working table. A feeding module used for feeding guide wires, a carrying module used for conveying the guide wires from the feeding module to a cutting module and the cutting module used for cutting the guide wires are sequentially arranged on the working table. The bending module is used for bending the guide wire; the blanking module is used for clamping the bent and cut guide wire to a blanking position; wherein the cutting module comprises a cutting frame, an upper cutter is arranged at the upper end of the cutting frame, and a lower front cutter and a lower rear cutter are oppositely arranged at the lower end of the cutting frame; the front side and the rear side of the upper cut-off knife are provided with knife edges, the knife edge of the lower front cut-off knife corresponds to the knife edge of the front side of the upper cut-off knife, and the knife edge of the lower rear cut-off knife corresponds to the knife edge of the rear side of the upper cut-off knife. According to the guide wire bending and cutting device, automatic bending and cutting operation of the guide wire is achieved, and the production and processing efficiency of the guide wire is improved. The guide wire is bidirectionally cut, so that drawing wires and burrs are prevented from being generated at a guide wire notch. The sensor is used for detecting guide wire machining, and the machining precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device production equipment, in particular to a guide wire bending and cutting device. Background Art

[0002] Guidewire is a general term for a large category of medical devices, including microguidewires, guide guidewires, renal artery guidewires and angiography guidewires. In the field of medical consumables, microguidewires are one of the most consumed medical consumables. In the production and processing of guidewires, the degree of automation is not very high in China at present, and the bending and cutting are mainly done manually.

[0003] However, during manual operation, manual bending, cutting and manual inspection are required, and during the cutting process, wire drawing and burrs often appear at the wire break, requiring secondary cutting and grinding operations. The operation actions are numerous and the processing efficiency is slow.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solution of the utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above contents are well known to those skilled in the art simply because they are explained in the background technology of the utility model. Utility Model Content

[0005] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a guide wire bending and cutting device.

[0006] To achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a guide wire bending and cutting device, which is used to automatically bend and cut the guide wire, including a workbench, on which a feeding module, a conveying module, a cutting module, a bending module and a blanking module are sequentially arranged;

[0007] The feeding module is used to feed the guide wire;

[0008] The transport module is used to transport the guide wire from the feeding module to the cutting module;

[0009] The cutting module is used to cut the guide wire;

[0010] The bending module is used to bend the guide wire;

[0011] The unloading module is used to clamp the guide wire after bending and cutting to the unloading place;

[0012] Among them, the cutting module includes a cutting frame, an upper cutting knife is arranged at the upper end of the cutting frame, and a lower front cutting knife and a lower rear cutting knife are arranged oppositely at the lower end of the cutting frame; the upper cutting knife is provided with cutting edges on both the front and rear sides, the cutting edge of the lower front cutting knife is arranged correspondingly to the front cutting edge of the upper cutting knife, and the cutting edge of the lower rear cutting knife is arranged correspondingly to the rear cutting edge of the upper cutting knife; the guide wire is cut by the cutting knives with openings on both sides, so as to avoid wire drawing and burrs at the front and rear ports of the guide wire cutting place.

[0013] The preferred technical solution is: both the lower front cutting knife and the lower rear cutting knife are provided with guide tubes for guiding the guide wire, and the guide tubes are used to limit the circumferential position of the guide wire during the bending and cutting process.

[0014] The preferred technical solution is: two sets of mutually symmetrical guide channel clamps are symmetrically arranged between the lower front cutting knife and the lower rear cutting knife, the two sets of guide channel clamps enclose a wire guide channel, the front end of the wire guide channel is provided with a guide cone, the rear ends of the two sets of guide channel clamps are connected with a telescopic drive, and the telescopic drive is fixed at the lower end of the cutting frame; before cutting, the wire guide channel is used for guiding so that the wire guide extends from the lower front cutting knife to the lower rear cutting knife.

[0015] The preferred technical solution is: the rear end of the upper cutting knife is connected to a lifting plate, the upper end of the lifting plate is connected to a lifting rod, the top end of the lifting rod is connected to a lifting drive, and the lifting drive is fixedly connected to the top of the cutting frame.

[0016] The preferred technical solution is: a guide rod is also provided on the lifting plate, a linear bearing is provided at the top of the cutting frame corresponding to the guide rod, and the outer periphery of the guide rod is slidably connected to the inner side of the linear bearing, so that the lifting and lowering of the upper cutting knife is more stable.

[0017] The preferred technical solution is: the lower ends of the lower front cutting knife and the lower rear cutting knife are fixedly connected to the cutting frame through a support plate, and the support plates are fixed by a connecting plate; ensuring that the relative position between the lower front cutting knife and the lower rear cutting knife remains stable, thereby improving cutting accuracy.

[0018] The preferred technical solution is: the feeding module includes a storage bin for loading the guide wire; an X-axis moving mechanism is provided at the bottom of the storage bin, which is used to move the storage bin along the X-axis direction to cooperate with the handling module to transport the guide wire; a sensor assembly is provided on the rear side of the storage bin for detecting whether there is a guide wire in the storage bin.

[0019] The preferred technical solution is: the transport module includes a guide wire support mechanism, a guide wire clamping mechanism is provided on the rear side of the guide wire support mechanism, the guide wire clamping mechanism is connected to the Y-axis moving mechanism, and a guide clamping claw mechanism is provided on the rear side of the guide wire clamping mechanism.

[0020] The preferred technical solution is: the bending module includes a guide wire positioning shaft, a guide wire positioning groove is provided on the top of the guide wire positioning shaft, and at least one group of bending knives is provided on the periphery of the guide wire positioning shaft. The bending knives are driven by a rotating shaft to move along the periphery of the guide wire positioning shaft.

[0021] The preferred technical solution is: a guide wire feeding detection sensor is provided on the bending module, and a lifting mechanism is provided at the lower end of the bending module.

[0022] Due to the application of the above technical solution, the guide wire bending and cutting device provided by the utility model has the following advantages over the prior art:

[0023] (1) The automatic bending and cutting of the guide wire is realized, thereby improving the production and processing efficiency of the guide wire.

[0024] (2) By cutting the guide wire in both directions, wire drawing and burrs can be avoided at the guide wire cut.

[0025] (3) Use sensors to detect wire guide processing to effectively avoid processing errors and improve processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of a guide wire bending and cutting device of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the feeding module in the utility model;

[0028] Figure 3 It is a structural schematic diagram of the transport module in the utility model;

[0029] Figure 4 It is a structural schematic diagram of the bending module in the utility model;

[0030] Figure 5 for Figure 4 A partial enlarged view of point Ⅰ in the middle;

[0031] Figure 6 It is a structural schematic diagram of the cutting module in the utility model;

[0032] Figure 7 This is a schematic diagram of the structure of the upper cutting knife in the utility model;

[0033] Figure 8 It is a structural schematic diagram of the lower front cutting knife and the lower rear cutting knife in the utility model;

[0034] Fig. 9 It is a schematic diagram of the structure of the guide channel clamp in the utility model.

[0035] In the above drawings, 100, workbench; 1, feeding module; 11, storage bin; 12, X-axis moving mechanism; 13, sensor assembly; 2, handling module; 21, guide wire supporting mechanism; 22, guide wire clamping mechanism; 23, Y-axis moving mechanism; 24, guide clamping mechanism; 3, cutting module; 31, cutting frame; 31a, linear bearing; 32, upper cutting knife; 32a, lifting plate; 32b, lifting rod; 32c, lifting drive; 32d, Guide rod; 33, lower front cutting knife; 34, lower rear cutting knife; 35, guide tube; 36, guide channel clamp; 36a, guide wire channel; 36b, guide cone; 36c, telescopic drive; 37, support plate; 38, connecting plate; 4, bending module; 41, guide wire positioning shaft; 41a, guide wire positioning groove; 42, bending knife; 43, rotating shaft; 44, guide wire feeding detection sensor; 45, lifting mechanism; 5, unloading module; 6, guide wire. DETAILED DESCRIPTION

[0036] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0037] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0038] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] Example:

[0040] like Figure 1As shown, the utility model discloses a guide wire bending and cutting device for automatically bending and cutting a guide wire 6, comprising a workbench 100, on which a feeding module 1, a conveying module 2, a cutting module 3, a bending module 4 and a blanking module 5 are sequentially arranged; the main components of the utility model are described in detail below:

[0041] like Figure 1 and Figure 2 As shown, the feeding module 1 is used to feed the guide wire 6, and its structure includes a storage bin 11, an X-axis moving mechanism 12 is provided at the bottom of the storage bin 11, and a sensor component 13 for detecting whether there is a guide wire in the storage bin 11 is provided on the rear side of the storage bin 11.

[0042] like Figure 1 and Figure 3 As shown, the transport module 2 is used to transport the guide wire 6 from the feeding module 1 to the cutting module 3, and its structure includes a guide wire supporting mechanism 21, a guide wire clamping mechanism 22 is provided on the rear side of the guide wire supporting mechanism 21, the guide wire clamping mechanism 22 is connected to the Y-axis moving mechanism 23, and a guide clamping mechanism 24 is provided on the rear side of the guide wire clamping mechanism 22.

[0043] like Figure 1 , Figure 6 and Figure 7 As shown, the cutting module 3 is used to cut the guide wire 6, and its structure includes a cutting frame 31, an upper cutting knife 32 is provided at the upper end of the cutting frame 31, and the upper cutting knife 32 is provided with a cutting edge on both the front and rear sides, and the rear end of the upper cutting knife 32 is connected to a lifting plate 32a, and the upper end of the lifting plate 32a is connected to a lifting rod 32b, and the top of the lifting rod 32b is connected to a lifting drive 32c, and the lifting drive 32c is fixedly connected to the top of the cutting frame 31. A guide rod 32d is also provided on the lifting plate 32a, and a linear bearing 31a is provided at the top of the cutting frame 31 corresponding to the guide rod 32d, and the outer periphery of the guide rod 32d is slidably connected to the inner side of the linear bearing 31a.

[0044] like Figure 1 , Figure 6 and Figure 8 As shown, the lower ends of the lower front cutting knife 33 and the lower rear cutting knife 34 are both relatively arranged on the cutting frame 31 through a support plate 37, and the support plates 37 are fixed by a connecting plate 38. The cutting edge of the lower front cutting knife 33 is arranged correspondingly to the front cutting edge of the upper cutting knife 32, and the cutting edge of the lower rear cutting knife 34 is arranged correspondingly to the rear cutting edge of the upper cutting knife 32; the lower front cutting knife 33 and the lower rear cutting knife 34 are both provided with a guide tube 35 for guiding the guide wire 6.

[0045] like Figure 1 , Figure 6 and Fig. 9As shown, two sets of mutually symmetrical guide channel clamps 36 are symmetrically arranged between the lower front cutting knife 33 and the lower rear cutting knife 34, and the two sets of guide channel clamps 36 enclose a wire guide channel 36a. The front end of the wire guide channel 36a is provided with a guide cone 36b, and the rear ends of the two sets of guide channel clamps 36 are connected to a telescopic drive 36c, which is fixed to the lower end of the cutting frame 31.

[0046] like Figure 1 , Figure 4 and Figure 5 As shown, the bending module 4 is used to bend the guide wire 6, and the bending module 4 includes a guide wire positioning shaft 41, a guide wire positioning groove 41a is provided on the top of the guide wire positioning shaft 41, two groups of bending knives 42 are provided on the periphery of the guide wire positioning shaft 41, and the bending knives 42 are driven by a rotating shaft 43 to move along the periphery of the guide wire positioning shaft 41, a guide wire feeding detection sensor 44 is provided on the front side of the guide wire positioning shaft 41, and a lifting mechanism 45 is provided at the lower end of the bending module 4.

[0047] like Figure 1 As shown, the blanking module 5 is used to clamp the guide wire 6 after bending and cutting to the blanking position.

[0048] refer to Figures 1 to 9 As shown, the principle of the utility model is as follows: when in use, the guide wire 6 is added into the storage bin 11 by a manipulator or manually; the X-axis moving mechanism 12 drives the storage bin 11 to move, and during this process, the sensor assembly 13 positions the guide wire 6 in the storage bin 11. After positioning, the guide wire support mechanism 21 reaches below the guide wire 6 to support it; the guide wire clamping mechanism 22 clamps the guide wire 6, and the guide clamping claw mechanism 24 opens, and then the guide wire 6 is conveyed to the cutting module 3 under the drive of the Y-axis moving mechanism 23. During this process, the guide wire 6 passes through the guide tube 35 at the lower front cutting knife 33 and enters the guide wire channel 36a under the guidance of the guide cone 36b, and then enters the guide tube 35 at the lower rear cutting knife 34; finally, it reaches the bending module 4. After the guide wire feeding detection sensor 44 detects the arrival of the guide wire 6, the lifting mechanism 45 lifts the bending module 4, and the guide wire positioning shaft 41 limits the guide wire 6 through the guide wire positioning groove 41a, and then the rotating shaft 43 drives the bending knife 42 to bend the guide wire 6. After the guide wire 6 is bent, the telescopic drive 36c drives the guide channel clamp 36 to retreat; the upper cutter 32 moves downward under the control of the lifting drive 32c. During this process, the front side blade of the upper cutter 32 cooperates with the lower front cutter 33 to cut the guide wire 6, and at the same time, the rear side blade of the upper cutter 32 cooperates with the lower rear cutter 34 to cut the guide wire 6, so as to avoid wire drawing or burrs before and after the break of the guide wire 6. After cutting, the unloading module 5 unloads the bent guide wire 6.

[0049] In summary, the guide wire bending and cutting device disclosed in the utility model has the advantages of fast processing efficiency and high precision. At the same time, the creative use of the bidirectional cutting knife design solves the problem of wire drawing and burrs easily occurring at the guide wire fracture.

[0050] The above embodiments provided by the present invention are only intended to illustrate the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A guide wire bending and cutting device for automatically bending and cutting a guide wire (6), comprising a workbench (100), characterized in that: The workbench (100) is provided with a feeding module (1), a conveying module (2), a cutting module (3), a bending module (4) and a blanking module (5) in sequence; The feeding module (1) is used to feed the guide wire (6); The transport module (2) is used to transport the guide wire (6) from the feeding module (1) to the cutting module (3); The cutting module (3) is used to perform cutting processing on the guide wire (6); The bending module (4) is used to perform bending processing on the guide wire (6); The blanking module (5) is used to clamp the guide wire (6) after bending and cutting to a blanking location; The cutting module (3) comprises a cutting frame (31), an upper cutting knife (32) is arranged at the upper end of the cutting frame (31), and a lower front cutting knife (33) and a lower rear cutting knife (34) are arranged opposite to each other at the lower end of the cutting frame (31); the upper cutting knife (32) is provided with cutting edges on both the front and rear sides, the cutting edge of the lower front cutting knife (33) is arranged correspondingly to the front cutting edge of the upper cutting knife (32), and the cutting edge of the lower rear cutting knife (34) is arranged correspondingly to the rear cutting edge of the upper cutting knife (32).

2. A guide wire bending and cutting device according to claim 1, characterized in that: The lower front cutting knife (33) and the lower rear cutting knife (34) are both provided with a guide tube (35) for guiding the guide wire (6).

3. A guide wire bending and cutting device according to claim 1, characterized in that: Two groups of mutually symmetrical guide channel clamps (36) are symmetrically arranged between the lower front cutting knife (33) and the lower rear cutting knife (34); the two groups of guide channel clamps (36) enclose a wire guide channel (36a); a guide cone (36b) is arranged at the front end of the wire guide channel (36a); and the rear ends of the two groups of guide channel clamps (36) are connected to a telescopic drive (36c); the telescopic drive (36c) is fixed to the lower end of the cutting frame (31).

4. A guide wire bending and cutting device according to claim 1, characterized in that: The rear end of the upper cutting knife (32) is connected to a lifting plate (32a), the upper end of the lifting plate (32a) is connected to a lifting rod (32b), the top end of the lifting rod (32b) is connected to a lifting drive (32c), and the lifting drive (32c) is fixedly connected to the top of the cutting frame (31).

5. A guide wire bending and cutting device according to claim 4, characterized in that: A guide rod (32d) is also provided on the lifting plate (32a), a linear bearing (31a) is provided at a position corresponding to the top of the cutting frame (31) and the guide rod (32d), and the outer periphery of the guide rod (32d) is slidably connected to the inner side of the linear bearing (31a).

6. A guide wire bending and cutting device according to claim 1, characterized in that: The lower ends of the lower front cutting knife (33) and the lower rear cutting knife (34) are fixedly connected to the cutting frame (31) via a support plate (37), and the support plates (37) are fixed via a connecting plate (38).

7. A guide wire bending and cutting device according to claim 1, characterized in that: The feeding module (1) comprises a material storage bin (11), an X-axis moving mechanism (12) is provided at the bottom of the material storage bin (11), and a sensor assembly (13) for detecting whether a guide wire is present in the material storage bin (11) is provided at the rear side of the material storage bin (11).

8. A guide wire bending and cutting device according to claim 1, characterized in that: The transport module (2) comprises a guide wire support mechanism (21), a guide wire clamping mechanism (22) is provided at the rear side of the guide wire support mechanism (21), the guide wire clamping mechanism (22) is connected to the Y-axis moving mechanism (23), and a guide clamping claw mechanism (24) is provided at the rear side of the guide wire clamping mechanism (22).

9. A guide wire bending and cutting device according to claim 1, characterized in that: The bending module (4) comprises a guide wire positioning shaft (41), a guide wire positioning groove (41a) is provided at the top of the guide wire positioning shaft (41), and at least one group of bending knives (42) are provided on the periphery of the guide wire positioning shaft (41), and the bending knives (42) are driven by a rotating shaft (43) to move along the periphery of the guide wire positioning shaft (41).

10. A guide wire bending and cutting device according to claim 1, characterized in that: A guide wire feeding detection sensor (44) is provided on the bending module (4), and a lifting mechanism (45) is also provided at the lower end of the bending module (4).

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