Guidewire preparation device

Abstract

The utility model discloses a guide wire preparation device relates to guide wire preparation technical field. Among them, guide wire preparation device includes machine table, winding equipment, and machine table has the steel cable along X -direction movement transmission, and has spring wire along Y -direction movement transmission, winding equipment is arranged at the interval around the steel cable, when working, drive the steel cable along X -direction movement, and spring wire carries out the movement along Y -direction, through winding equipment, the spring wire that moves along Y -direction is wound and has the spring that winding is completed and is covered on the outer periphery side of steel cable, thereby realizes the winding of taking steel cable as the center when producing spring, when spring processing is completed, can realize the covering of steel cable, avoids the traditional situation that takes first processing spring, then the steel cable is shot in the spring and carries out heat treatment and leads to the complex process, the production time -consuming and labor -intensive situation, and when heat treatment, because of temperature fluctuation changes and produces the situation that spring covers steel cable too tight or too loose, leads to the problem of poor product stability, and the yield is low.

Description

Technical Field

[0001] This utility model relates to the field of guidewire preparation technology, and in particular to a guidewire preparation device. Background Technology

[0002] Currently, the preparation of medical guidewires typically involves first winding spring wire into a spring, then threading a steel cable through the spring, followed by heat treatment. After heat treatment, the inner diameter of the spring decreases to tightly encase the steel cable. However, this method suffers from poor stability and low production efficiency. Furthermore, the heat treatment process can result in the spring sometimes encasing the steel cable too tightly and sometimes too loosely, leading to a low product yield. Additionally, threading the steel cable through the spring during production is time-consuming and labor-intensive, which is detrimental to improving production efficiency. Utility Model Content

[0003] The main purpose of this invention is to propose a guidewire preparation device, which aims to improve the problem of low guidewire yield and low production efficiency caused by the current guidewire preparation methods.

[0004] To achieve the above objectives, this utility model proposes a guide wire preparation device for winding a spring and covering the spring around the outer periphery of a steel cable. The guide wire preparation device has intersecting X and Y directions and includes:

[0005] The machine platform is provided with a channel in the X direction, and the steel cable is transmitted along the X direction and passes through the channel.

[0006] A winding device is located on one side of the machine platform along the X direction, and the spring wire is transported along the Y direction. The winding device is used to wind the spring wire into a spring of a preset size.

[0007] The steel cable is transmitted along the X direction, and the winding device winds the spring wire transmitted along the Y direction around the steel cable, forming a spring covering the steel cable on the outer periphery of the steel cable.

[0008] In one embodiment, the winding device includes a winding member arranged radially along the channel, the winding member having an arcuate winding surface facing the steel cable;

[0009] In the X direction, the spring wire is arranged correspondingly to the arc-shaped winding surface, so that the projection of the spring wire is located within the projection of the arc-shaped winding surface;

[0010] The arc-shaped winding surface is coaxial with the axis of the steel cable.

[0011] In one embodiment, the winding device further includes at least one constraint member arranged radially along the channel, the constraint member having a constraint surface facing the steel cable;

[0012] The constraint member and the winding member are arranged at intervals around the channel, and the spring wire moves toward the constraint surface under the guidance of the arc-shaped winding surface;

[0013] The distance between the constraint surface, the arc-shaped winding surface and the outer peripheral surface of the steel cable is the same.

[0014] In one embodiment, the constraint surface is formed with an inclined surface in the X direction;

[0015] In the X direction, the constraint surface has a first end close to the machine platform and a second end away from the machine platform. In the Y direction, the first end to the second end are arranged at an angle away from the steel cable to form the inclined surface.

[0016] In one embodiment, the guide wire preparation device further includes a wire feeding plate, which extends along the Y direction;

[0017] In the Y direction, a wire feeding channel is provided through the wire feeding plate, so that an inlet end and an outlet end are formed at opposite ends of the wire feeding plate along the Y direction. The spring wire enters from the inlet end and is fed out from the outlet end.

[0018] In one embodiment, the guide wire preparation device further includes a first clamping member, and in the Y direction, a first clamping cavity is provided through the first clamping member, through which the wire feed plate passes;

[0019] The first clamping member is used to clamp and fix the wire feeder in a preset position to adjust the distance between the outlet end and the steel cable.

[0020] In one embodiment, both the winding member and the constraint member are arranged to move radially along the channel.

[0021] In one embodiment, the guidewire fabrication apparatus further includes:

[0022] A second clamping member is disposed on the machine base and is arranged radially along the channel. The second clamping member has a second clamping cavity for clamping the wound piece.

[0023] A third clamping member is disposed on the machine base and is arranged to move radially along the channel. The third clamping member has a second clamping cavity for clamping the constraint member.

[0024] In one embodiment, the guidewire fabrication further includes:

[0025] A spring wire feeder is disposed on the machine base and on the same side as the winding equipment. In the Y direction, the spring wire feeder is used to drive the spring wire to move; and

[0026] A steel cable feeder is provided on the machine platform, and the steel cable feeder is located on the side of the machine platform away from the winding equipment, for driving the steel cable to move along the X direction.

[0027] In one embodiment, the guide wire preparation device further includes a guide block that passes through the machine in the X direction, wherein a through groove is provided in the guide block in the X direction, and the through groove constitutes the aforementioned channel;

[0028] The guide block is detachably connected to the machine base.

[0029] This utility model guide wire preparation device includes a machine base and a winding device. The machine base moves along the X-direction to transport a steel cable and moves along the Y-direction to transport a spring wire. The winding device is arranged at intervals around the steel cable. During operation, it drives the steel cable to move along the X-direction and the spring wire to move along the Y-direction. The winding device winds the spring wire moving along the Y-direction and wraps the wound spring around the outer periphery of the steel cable. This allows the spring to be wound around the steel cable during production. When the spring is finished, the steel cable can be wrapped around it. This avoids the traditional method of processing the spring first and then inserting the steel cable into the spring for heat treatment, which leads to complicated processes, time-consuming and labor-intensive production. It also avoids the problem of the spring being wrapped too tightly or too loosely due to temperature fluctuations during heat treatment, resulting in poor product stability and low yield. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the overall structure of the guidewire preparation device of this utility model;

[0032] Figure 2 This utility model relates to a guidewire preparation device. Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0033] Figure 3 This is a schematic diagram showing the installation position relationship between the winding component and the constraint component of the guide wire preparation device of this utility model.

[0034] Figure 4 This is a schematic diagram showing the working state of the winding component and the constraint component of the guide wire preparation device of this utility model.

[0035] Figure 5 Preparation of guidewire for this utility model Figure 1 Another structural diagram from a different perspective;

[0036] Figure 6 This utility model relates to a guidewire preparation device. Figure 1 Schematic diagram of the central main view structure;

[0037] Figure 7 This is a schematic diagram showing the fit between the spring wire and the spring wire feeding component in the guide wire preparation device of this utility model.

[0038] Figure 8 This is a schematic diagram showing the relationship between the steel cable and the steel cable feeding component in the wire preparation device of this utility model.

[0039] Explanation of icon numbers:

[0040] 1. Machine base; 11. Mounting holes;

[0041] 2. Winding equipment; 21. Winding component; 211. Arc-shaped winding surface; 22. Constraint component; 221. Constraint surface;

[0042] 3. Cable feed plate; 31. Cable feed channel; 311. Inlet end; 312. Outlet end;

[0043] 4. Clamping component; 41. First clamping component; 411. First base body; 412. Second base body; 413. First clamping cavity; 42. Second clamping component; 421. Third base body; 422. Fourth base body; 423. Second clamping cavity; 43. Third clamping component; 431. Fifth base body; 432. Sixth base body; 433. Third clamping cavity; 44. Fourth clamping component; 441. Seventh base body; 442. Eighth base body; 443. Fourth clamping cavity;

[0044] 5. Spring wire feeding component; 51. First roller; 52. Second roller;

[0045] 6. Steel cable feeder; 61. Third roller; 62. Fourth roller; 7. Guide block; 71. Through slot;

[0046] 8. Spring wire; 9. Steel cable.

[0047] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0048] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0049] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0050] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0051] In the process of manufacturing springs using metal flats, punching and bending operations are required to meet specific production needs. The punching operation involves punching material at predetermined positions on the metal flats to form punched holes at those positions. The bending operation involves bending the punched metal flats in a predetermined direction to form a spring.

[0052] Currently, in the preparation of medical guidewires, the wire is usually first wound into a spring, and then a steel cable is inserted into the spring and sent for heat treatment. After heat treatment, the inner diameter of the spring decreases to tightly wrap the steel cable. However, this method has poor stability and low production efficiency due to temperature fluctuations. The above heat treatment method can result in the spring wrapping the steel cable too tightly or too loosely, leading to a low product yield. Moreover, inserting the steel cable into the spring during production is time-consuming and labor-intensive, which is not conducive to improving production efficiency.

[0053] Based on this, refer to Figures 1-8As shown, this application provides a guide wire preparation device for wrapping a spring around the outer periphery of a steel cable 9. The guide wire preparation device has intersecting X and Y directions and includes a machine base 1 and a winding device 2. In the X direction, the machine base 1 has a through channel through which the steel cable 9 is transmitted and moved along the X direction and passes through the channel to the machine base 1. The winding device 2 is located on one side of the machine base 1 along the X direction, that is, on the side where the steel cable 9 extends out of the machine base 1 from the channel. The spring wire 8 is transmitted and moved along the Y direction, and the winding device 2 is used to wind the spring wire 8 moving along the Y direction into a spring of a preset size.

[0054] In this embodiment, as Figure 1 , Figure 2 As shown, in actual production, the steel cable 9 is driven to move along the X direction at a preset speed, and the spring wire 8 is driven to move along the Y direction at a preset speed. The winding device 2 winds the spring wire 8, which moves along the Y direction at a preset speed, around the steel cable 9, and forms a spring covering the steel cable 9 on the outer periphery of the steel cable 9. When the spring wire 8 is wound around the steel cable 9, the winding device 2 controls the inner coil of the wound spring and the outer periphery of the steel cable 9 to contact each other with an appropriate abutment force to avoid the spring covering the steel cable 9 too tightly or too loosely.

[0055] In this embodiment, during the production of medical guidewires, the steel cable 9 is directly wound around the center during the spring winding stage. This allows the spring to be wrapped around the outer surface of the steel cable 9 with a preset wrapping force while the spring is being processed. Compared with the traditional production method of producing the spring first, then inserting the steel cable 9 into the spring, and then performing heat treatment, this simplifies the production process, greatly improves the yield of the prepared guidewire products, and significantly reduces the subsequent labor costs.

[0056] Reference Figure 2 , Figure 3 , Figure 4 As shown, in one embodiment of this application, the winding device 2 includes a winding member 21, which is arranged radially along the channel. The winding member 21 has an arc-shaped winding surface 211 facing the steel cable 9; as Figure 4As shown, in the X direction, the spring wire 8 is correspondingly positioned to the arc-shaped winding surface 211, meaning that in the X direction, the projection of the spring wire 8 lies within the projection range of the arc-shaped winding surface 211. The arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9 are spaced apart, and the distance between them should be at least sufficient to accommodate the bent spring wire 8. Furthermore, the axes of the arc-shaped winding surface 211 and the steel cable 9 are coaxial, thereby ensuring that when the spring wire 8 moves along the Y direction and abuts against... When the arc-shaped winding surface 211 is used, the cable is obstructed by the arc-shaped winding surface 211 and bent under the guidance of the arc-shaped winding surface 211. Since the arc-shaped winding surface 211 is set coaxially with the axis of the steel cable 9, a ring structure coaxial with the steel cable 9 will be wound around the outer periphery of the steel cable 9. As the steel cable 9 continues to move in the X direction and the spring wire 8 continues to move in the X direction, a spring will be formed on the outer periphery of the steel cable 9 (the above-mentioned ring structure is composed of turns).

[0057] In this embodiment, the wrapping force of the spring covering the outer surface of the steel cable 9 is controlled by adjusting the distance between the arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9. For example, if the distance between the arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9 is slightly larger, the contact force between the inner coil of the spring and the outer peripheral surface of the steel cable 9 is relatively smaller, and the wrapping force of the spring on the steel cable 9 is relatively smaller. If the distance between the arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9 is slightly smaller, the contact force between the inner coil of the spring and the outer peripheral surface of the steel cable 9 is relatively larger, and the wrapping force of the spring on the steel cable 9 is relatively larger. Thus, the wrapping force of the spring covering the outer peripheral surface of the steel cable 9 can be adjusted accordingly by fine-tuning the distance between the arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9 according to actual production needs, so as to meet the usage needs of different users.

[0058] Reference Figure 2 , Figure 3 , Figure 4As shown in one embodiment of this application, the winding device 2 further includes at least one constraint member 22. The constraint member 22 is arranged radially along the channel. The constraint member 22 has a constraint surface 221 facing the steel cable 9 (the constraint surface 221 is arc-shaped), and the arc-shaped constraint surface 221 is coaxial with the axis of the steel cable 9. The constraint member 22 is mainly used to constrain and limit the annular spring structure wound by the winding member 21, so as to prevent uncontrollable micro-displacement and rebound deformation from occurring during the process of the spring that has been wound first and wrapped around the outer surface of the steel cable 9. Because after the spring wire 8 is bent by the winding member 21, a certain rebound stress will be generated inside the spring wire 8. If the constraint member 22 is not set after the spring wire 8 leaves the winding member 21, it may generate a certain degree of rebound deformation, which will cause the wrapping force between the finally wound spring and the outer surface of the steel cable 9 to not meet the preset requirements, thereby reducing the production accuracy of the product.

[0059] In this embodiment, the curvature of the arc-shaped constraint surface 221 is consistent with that of the arc-shaped winding surface 211, and the distance between the constraint surface 221 and the outer peripheral surface of the steel cable 9 is consistent with the distance between the arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9. This ensures that during the winding process of the pre-bent spring wire 8 around the steel cable 9, it is always restricted and constrained by the constraint surface 221 on the constraint member 22, thereby effectively avoiding the occurrence of springback deformation. This ensures that the springs finally wound can cover the outer peripheral surface of the steel cable 9 with a preset covering force, ensuring that the prepared guide wire product can meet the preset quality requirements.

[0060] It is understandable that the more constraint members 22 there are, the better the restriction and constraint effect on the spring wire 8 that has been wound first, such as... Figure 3 , Figure 4 As shown, this scheme is illustrated using two constraint members 22 as an example. One is constraint member 22a, and the other is constraint member 22b. Constraint member 22a has an arc-shaped constraint surface 221a facing the steel cable 9, and constraint member 22b has a constraint surface 221b facing the steel cable 9. Constraint members 22a and 22b are spaced apart. Figure 6 As shown, constraint member 22a is arranged radially along the channel, and constraint member 22b is arranged vertically (constraint member 22b can also be arranged radially along the channel; a suitable position can be selected for arranging constraint member 22b according to the actual situation), as... Figure 3 , Figure 4 As shown, the distances between the constraint surface 221a, constraint surface 221b, arc-shaped winding surface 211 and the outer peripheral surface of the steel cable 9 are all consistent, thereby restricting and constraining the spring wire 8 that has been wound earlier through the arc-shaped constraint surface 221a and arc-shaped constraint surface 221b.

[0061] In this embodiment, the spring wire 8 first passes through the arc-shaped winding surface 211 of the winding member 21 and is bent into a preset angle on the arc-shaped winding surface 211. As the subsequent spring wire 8 is continuously conveyed forward, the spring wire 8 that has been wound first passes through the constraint surface 221a and constraint surface 221b in sequence, thereby realizing the production of springs while covering the outer peripheral surface of the steel cable 9.

[0062] Reference Figure 3 , Figure 4 As shown, in one embodiment of this application, in order to ensure that the spring wire 8 wound first and the spring wire 8 wound later can be staggered along the X direction, thereby achieving a continuous spring (e.g., springs wrapped around the outer periphery of the steel cable 9) Figure 2 As shown); in the X direction, the constraint surface 221b is formed with an inclined surface. Specifically, in the X direction, the constraint surface 221b has a first end close to the machine base 1 and a second end away from the machine base 1. In the Y direction, it is arranged inclined from the first end to the second end in a direction away from the outer peripheral surface of the steel cable 9, thereby forming the aforementioned inclined surface. The aforementioned inclined surface is set so that when the spring wire 8 passes through the constraint surface 221a and moves towards the constraint surface 221b, the spring wire 8 will be slightly deflected in a direction away from the machine base 1 under the action of the aforementioned inclined surface. It can be understood that the spring wire 8 that is wound first will be slightly deflected in the X direction away from the machine base 1 by a certain distance (the size of this distance should be at least consistent with the wire diameter of the spring wire 8). This allows the spring wire 8 that is wound first and the spring wire 8 that is wound later to be staggered in the X direction, and a continuous spring is wrapped around the outer peripheral surface of the steel cable 9.

[0063] In this embodiment, the aforementioned inclined surface can also be set separately, that is, a structural member can be arranged separately on the moving path of the wound spring wire 8. The structural member has an inclined surface facing the outer peripheral surface of the steel cable 9. When the wound spring wire 8 passes through the structural member and comes into contact with the inclined surface, the inclined surface forces the wound spring wire 8 to shift a certain distance away from the machine 1. This allows the wound spring wire 8 to be staggered in the X direction from the wound spring wire 8 to the wound spring wire 8 to be wrapped with a continuous spring on the outer peripheral surface of the steel cable 9.

[0064] Reference Figure 2 , Figure 3 , Figure 5 , Figure 6 As shown, in one embodiment of this application, the guide wire preparation device further includes a wire feeding plate 3, which extends along the Y direction; as Figure 5As shown, in the Y direction, a wire feeding channel 31 is provided through the wire feeding plate 3, so that an inlet end 311 and an outlet end 312 are formed at opposite ends of the wire feeding plate 3 in the Y direction. The spring wire 8 enters from the inlet end 311 and is sent out from the outlet end 312. It can be understood that the size of the wire feeding channel 31 should match the wire diameter of the spring wire 8 to constrain and limit the movement path of the spring wire 8, so that when the spring wire 8 enters the wire feeding channel 31 from the inlet end 311 and is sent out from the outlet end 312, the spring wire 8 can move along a preset trajectory. That is, after the spring wire 8 is sent out from the outlet end 312 and moves a certain distance, it can accurately abut against the arc-shaped winding surface 211 of the winding member 21 to realize the winding process.

[0065] Reference Figure 5 , Figure 7 As shown, in one embodiment of this application, the guide wire preparation device further includes a first clamping member 41. In the Y direction, a first clamping cavity 413 is provided through the first clamping member 41, and the wire feed plate 3 passes through the first clamping cavity 413. For example, the first clamping member 41 includes a first seat 411 and a second seat 412 that are spliced ​​together. The first seat 411 and the second seat 412 are respectively provided with clamping grooves on the spliced ​​side. When the first seat 411 and the second seat 412 are spliced ​​together, the two clamping grooves are spliced ​​together to form the first clamping cavity 413. The cross-sectional dimensions of the wire feed plate 3 are consistent with the cross-sectional dimensions of the first clamping cavity 413. Thus, when the wire feed plate 3 is passed through the first clamping cavity 413, the wire feed plate 3 can be fixed in the first clamping cavity 413.

[0066] In this embodiment, the first seat 411 is fixedly installed on the machine base 1, and the second seat 412 and the first seat 411 are connected by fasteners such as bolts and screws. It can be understood that, depending on the different specifications and models of the guidewires to be produced, when the wire diameter of the steel cable 9 changes, the clamping position of the wire feeding plate 3 relative to the first clamping cavity 413 can be adjusted, thereby adjusting the distance between the outlet end 312 and the steel cable 9, so as to meet the requirement of covering the outer circumferential surface of the steel cable 9 with different wire diameters, thereby producing medical guidewires of different specifications and models.

[0067] Understandably, when adjusting the distance between the outlet end 312 and the steel cable 9, firstly, release the fastener from locking the second seat 412, then move and adjust the cable feed plate 3 along the extension direction of the first clamping cavity 413 and adjust it to the desired position, and then connect the second seat 412 to the first seat 411 using fasteners.

[0068] In one embodiment of this application, the winding member 21 and the constraint member 22 are both arranged to move radially along the machine base 1. This allows for the adjustment of the distance between the arc-shaped winding surface 211, the constraint surface 221 and the outer peripheral surface of the steel cable 9 for different wire diameters when processing medical guidewires of different specifications and models, so as to meet the requirement of wrapping the spring on the outer peripheral surface of the steel cable 9 with different wire diameters. At the same time, when wrapping the spring on the steel cable 9 with the same wire diameter, the winding member 21 and the constraint member 22 are controlled to move radially along the channel, thereby adjusting the distance between the arc-shaped winding surface 211, the constraint surface 221 and the outer peripheral surface of the steel cable 9. This allows for the adjustment of the wrapping force of the spring on the outer peripheral surface of the steel cable 9 to meet different production needs.

[0069] Reference Figure 5 , Figure 6 , Figure 7 As shown, in one embodiment of this application, the guide wire preparation device further includes a second clamping member 42, a third clamping member 43, and a fourth clamping member 44; wherein, the second clamping member 42 is disposed on the machine base 1, and the second clamping member 42 is arranged to move radially along the channel, and the second clamping member 42 has a second clamping cavity 423 for clamping the winding member 21; exemplaryly, the second clamping member 42 includes a third seat 421 and a fourth seat 422 that are spliced ​​together, and a clamping groove is provided on the spliced ​​side of the third seat 421 and the fourth seat 422. When the three bodies 422 are assembled together, the two clamping slots combine to form the second clamping cavity 423. The winding member 21 passes through the second clamping cavity 423, and the cross-sectional dimensions of the second clamping cavity 423 are matched with the cross-sectional dimensions of the winding member 21. This allows the winding member 21 to be clamped and fixed within the second clamping cavity 423 when the third body 421 and the fourth body 422 are assembled to form the second clamping member 42. For example, the third body 421 and the fourth body 422 are also connected by fasteners (such as bolts, screws, etc.). Figure 7 As shown, a U-shaped component (with a groove extending radially along the channel) is fixedly installed on the machine base 1, allowing the second clamping component 42 to move along the groove (thus achieving radial movement along the channel), as shown. Figure 1 As shown, when the second clamping member 42 is adjusted to the preset position, a bolt is threaded onto one side wall of the U-shaped member. The bolt passes through the side wall of the U-shaped member and abuts against the side wall of the second clamping member 42, thereby locking and positioning the second clamping member 42.

[0070] In this embodiment, the third clamping member 43 is also provided on the machine base 1, and the third clamping member 43 is arranged to move radially along the channel. The third clamping member 43 has a third clamping cavity 433 for clamping the constraint member 22a. For example, the third clamping member 43 includes a fifth seat 431 and a sixth seat 432 that are assembled together. A clamping groove is provided on the side where the fifth seat 431 and the sixth seat 432 are assembled. When the fifth seat 431 and the sixth seat 432 are assembled together, the two clamping grooves are assembled to form the above-mentioned... The third clamping cavity 433; the constraint member 22a passes through the third clamping cavity 433, and the cross-sectional dimensions of the third clamping cavity 433 are matched with the cross-sectional dimensions of the constraint member 22a, thereby enabling the constraint member 22a to be clamped and fixed in the third clamping cavity 433 when the fifth seat 431 and the sixth seat 432 are assembled to form the third clamping member 43; for example, the fifth seat 431 and the sixth seat 432 are also connected by fasteners (such as bolts, screws, etc.); Figure 7 As shown, a U-shaped component (with a groove extending radially along the channel) is fixedly installed on the machine base 1, so that the third clamping component 43 can move along the groove (thereby achieving radial movement along the channel). When the third clamping component 43 is adjusted to the preset position, a bolt is threaded onto one side wall of the U-shaped component. The bolt passes through the side wall of the U-shaped component and abuts against the side wall of the third clamping component 43, thereby locking and positioning the third clamping component 43.

[0071] In this embodiment, the fourth clamping member 44 is also provided on the machine base 1, and the fourth clamping member 44 is arranged to move radially along the channel. The fourth clamping member 44 has a fourth clamping cavity 443 for clamping the constraint member 22b. For example, the fourth clamping member 44 includes a seventh seat 441 and an eighth seat 442 that are assembled together. The seventh seat 441 and the eighth seat 442 are provided with a clamping groove on the side where they are assembled. When the seventh seat 441 and the eighth seat 442 are assembled together, the two clamping grooves are assembled to form the above-mentioned... The third clamping cavity 433; the constraint member 22b passes through the fourth clamping cavity 443, and the cross-sectional dimensions of the fourth clamping cavity 443 are matched with the cross-sectional dimensions of the constraint member 22b, thereby enabling the constraint member 22b to be clamped and fixed in the fourth clamping cavity 443 when the seventh seat body 441 and the eighth seat body 442 are assembled to form the fourth clamping member 44; for example, the seventh seat body 441 and the eighth seat body 442 are also connected by fasteners (such as bolts, screws, etc.); Figure 7As shown, a U-shaped component (with a groove extending radially along the channel) is fixedly installed on the machine base 1, so that the fourth clamping component 44 can move along the groove (thereby achieving radial movement along the channel). When the fourth clamping component 44 is adjusted to the preset position, a bolt is threaded onto one side wall of the U-shaped component. The bolt passes through the side wall of the U-shaped component and abuts against the side wall of the fourth clamping component 44, thereby locking and positioning the fourth clamping component 44.

[0072] In this embodiment, the first clamping member 41, the second clamping member 42, the third clamping member 43, and the fourth clamping member 44 constitute the clamping member 4 in this solution.

[0073] Reference Figure 1 , Figure 8 As shown, in one embodiment of this application, the guide wire preparation and manufacturing further includes a spring wire feeder 5 and a steel cable feeder 6; wherein, the spring wire feeder 5 is disposed on the machine base 1 and on the same side as the winding equipment 2, and in the Y direction, the spring wire feeder 5 is used to drive the spring wire 8 to move; exemplaryly, the spring wire feeder 5 includes a cooperating first roller 51 and a second roller 52, and a feeding channel (not labeled in the figure) is formed between the first roller 51 and the second roller 52, the spring wire 8 passes through the feeding channel and the spring wire 8 respectively interacts with the first roller 51, the second roller 52, and the first roller 51, the second roller 52. The outer peripheral surface of the second roller 52 abuts against the first roller 51 and / or the second roller 52, which is connected to a drive unit (motor) provided in the machine base 1. When the first roller 51 and the second roller 52 rotate, the clamping force applied to the spring wire 8 by the first roller 51 and the second roller 52 is used to drive the spring wire 8 to move along the Y direction. It can be understood that multiple sets of the above-mentioned cooperating first roller 51 and second roller 52 can be arranged at intervals along the Y direction, thereby increasing the driving force applied to the spring wire 8, so that the spring wire 8 can move stably along the Y direction.

[0074] Understandably, in order to enable the transmission of spring wires 8 with different diameters, one of the first roller 51 and the second roller 52 is movably arranged on the machine base 1; specifically, as shown... Figure 7 As shown, a slider is slidably mounted on the machine base 1, and an elastic element (which can be a spring) is connected between the slider and the machine base 1. One of the first roller 51 and the second roller 52 is rotatably mounted on the slider. Thus, when transmitting spring wires 8 of different diameters, the first roller 51 and the second roller 52 can tightly clamp the spring wires 8 and transmit them under the cooperation of the elastic element and the slider.

[0075] In this embodiment, as Figure 8As shown, the cable feeder 6 is located on the machine base 1, on the side of the machine base 1 away from the winding equipment 2, and is used to drive the cable 9 to move along the X direction. For example, the cable feeder 6 includes a cooperating third roller 61 and a fourth roller 62, and a feeding channel (not labeled in the figure) is formed between the third roller 61 and the fourth roller 62. The cable 9 passes through the feeding channel and abuts against the outer peripheral surfaces of the third roller 61 and the fourth roller 62 respectively. The third roller 61 and / or the fourth roller 62 are connected to a driving member (motor). When the third roller 61 and the fourth roller 62 rotate, the clamping force applied to the surface of the cable 9 by the third roller 61 and the fourth roller 62 is used to drive the third roller 61 and the fourth roller 62 to move along the X direction. It can be understood that multiple sets of the above-mentioned cooperating third roller 61 and fourth roller 62 can be arranged at intervals along the X direction, thereby increasing the driving force applied to the cable 9, so that the cable 9 can move stably along the X direction.

[0076] Understandably, in order to enable the transmission of steel cables 9 with different wire diameters, one of the third roller 61 and the fourth roller 62 is movably arranged on the machine base 1. A slider is slidably installed on the machine base 1, and an elastic element (which can be a spring) connects the slider and the machine base 1. One of the third roller 61 and the fourth roller 62 is rotatably installed on the slider. Thus, when transmitting steel cables 9 with different wire diameters, the third roller 61 and the fourth roller 62 can tightly clamp the steel cable 9 and transmit it under the cooperation of the elastic element and the slider. Understandably, since the above structure (slide groove, slider, elastic element) is exactly the same as the arrangement in the spring wire feeding part 5, the above structure is not shown in the figure.

[0077] In this embodiment, in order to further improve the stable movement of the spring wire 8 and the steel cable 9 during the transmission process, a groove (not shown in the figure) can be formed around the periphery of the roller body on the peripheral surface of the roller body. Thus, under the action of the two cooperating roller bodies, the spring wire 8 and the steel cable 9 are housed in the corresponding groove space (the groove space is formed by the grooves on the peripheral surfaces of the two cooperating roller bodies), which can further improve the constraint effect on the spring wire 8 and the steel cable 9 during the transmission process.

[0078] Reference Figure 7 , Figure 8 As shown, in one embodiment of this application, the guide wire preparation device further includes a guide block 7 that passes through the machine base 1 in the X direction. In the X direction, a through groove 71 is provided through the guide block 7 (the inner diameter of the through groove 71 is matched with the outer diameter of the steel cable 9). The through groove 71 constitutes the aforementioned channel. The guide block 7 is detachably connected to the machine base 1. With this configuration, when transmitting steel cables 9 of different diameters, it is only necessary to remove the guide block 7 from the machine base 1 and replace it with a matching guide block 7.

[0079] It is understandable that the guide block 7 and the machine base 1 can be installed using fasteners (such as bolts, pins, etc., which are not shown in the specific structural settings diagram), thereby achieving a detachable connection between the two.

[0080] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A guide wire preparation device for winding a spring and covering the spring around the outer periphery of a steel cable, the guide wire preparation device having intersecting X and Y directions, characterized in that, include: The machine platform is provided with a channel in the X direction, and the steel cable is transmitted along the X direction and passes through the channel. A winding device is located on one side of the machine platform along the X direction, and the spring wire is transported along the Y direction. The winding device is used to wind the spring wire into a spring of a preset size. The steel cable is transmitted along the X direction, and the winding device winds the spring wire transmitted along the Y direction around the steel cable, forming a spring covering the steel cable on the outer periphery of the steel cable.

2. The guidewire preparation apparatus as described in claim 1, characterized in that, The winding device includes a winding member arranged radially along the channel, the winding member having an arc-shaped winding surface facing the steel cable; In the X direction, the spring wire is arranged correspondingly to the arc-shaped winding surface, so that the projection of the spring wire is located within the projection of the arc-shaped winding surface; The arc-shaped winding surface is coaxial with the axis of the steel cable.

3. The guidewire preparation apparatus as described in claim 2, characterized in that, The winding device further includes at least one constraint member arranged radially along the channel, the constraint member having a constraint surface facing the steel cable; The constraint member and the winding member are arranged at intervals around the channel, and the spring wire moves toward the constraint surface under the guidance of the arc-shaped winding surface; The distance between the constraint surface, the arc-shaped winding surface and the outer peripheral surface of the steel cable is the same.

4. The guidewire preparation apparatus as described in claim 3, characterized in that, In the X direction, the constraint surface is formed with an inclined surface; In the X direction, the constraint surface has a first end close to the machine platform and a second end away from the machine platform. In the Y direction, the first end to the second end are arranged at an angle away from the steel cable to form the inclined surface.

5. The guidewire preparation apparatus as described in claim 1, characterized in that, The guide wire preparation device further includes a wire feeding plate, which extends along the Y direction; In the Y direction, a wire feeding channel is provided through the wire feeding plate, so that an inlet end and an outlet end are formed at opposite ends of the wire feeding plate along the Y direction. The spring wire enters from the inlet end and is fed out from the outlet end.

6. The guidewire preparation apparatus as described in claim 5, characterized in that, The guide wire preparation device further includes a first clamping member, and in the Y direction, a first clamping cavity is provided through the first clamping member, and the wire feed plate passes through the first clamping cavity; The first clamping member is used to clamp and fix the wire feeder in a preset position to adjust the distance between the outlet end and the steel cable.

7. The guidewire preparation apparatus as described in claim 3, characterized in that, Both the winding member and the constraint member are arranged to move radially along the channel.

8. The guidewire preparation apparatus as described in claim 7, characterized in that, The guidewire preparation device further includes: A second clamping member is disposed on the machine base and is arranged radially along the channel. The second clamping member has a second clamping cavity for clamping the wound piece. A third clamping member is disposed on the machine base and is arranged to move radially along the channel. The third clamping member has a second clamping cavity for clamping the constraint member.

9. The guidewire preparation apparatus according to any one of claims 1-8, characterized in that, The guidewire fabrication and manufacturing process also includes: A spring wire feeder is disposed on the machine base and on the same side as the winding equipment. In the Y direction, the spring wire feeder is used to drive the spring wire to move; and A steel cable feeder is provided on the machine platform, and the steel cable feeder is located on the side of the machine platform away from the winding equipment, for driving the steel cable to move along the X direction.

10. The guidewire preparation apparatus as described in claim 9, characterized in that, The guide wire preparation device further includes a guide block that passes through the machine in the X direction. In the X direction, a through groove is provided in the guide block, and the through groove constitutes the aforementioned channel. The guide block is detachably connected to the machine base.

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