Medical consumable hydrophilic coating coating method

Abstract

The invention discloses a medical consumable hydrophilic coating coating method, which comprises the following steps: arranging a clamping component, straightening and smoothing a to-be-coated product through the clamping component before coating the product, and clamping the to-be-coated product through a chuck in the product coating process, so that the to-be-coated product can be uniformly coated; and therefore, the straightened and smoothened product can be smoothly immersed into the liquid pipe to be coated, and the influence of the buoyancy of coating liquid in the liquid pipe on the product is overcome.

Description

[0001] This application is filed on December 24, 2021, with application number: 202111598603.2, and the name of the invention is: A divisional application for a coating auxiliary device. Technical Field

[0002] The present invention relates to the technical field of coating equipment, and in particular to a method for coating a hydrophilic coating on medical consumables. Background Art

[0003] With the development of technology, people have higher and higher requirements for the quality of medical consumables. For example, for interventional medical consumables, most surfaces must have a hydrophilic coating. Some medical devices currently on the market, such as guidewires, are coated with functional coatings on the product surface. However, during the coating process, in order to improve the coating efficiency, multiple guidewires are usually hung on the jig. However, generally, the guidewires are relatively slender, so the guidewires hung on the jig need to ensure that they have a high verticality. Otherwise, during the coating or transfer process, there may be multiple guidewires entangled or colliding with each other, which may cause damage to the surface of the product. Product coating is generally carried out by dipping, that is, the product to be coated is immersed in the coating liquid. However, since the coating liquid has a certain buoyancy, when dipping some extra-long and thin products, due to the influence of the coating liquid buoyancy, there is a risk of bending when the product is immersed in the liquid tube, causing the product to touch or scratch the wall of the liquid tube. For products that are dipped for the second time, it is easy to damage the first layer of the product's coated and cured surface, resulting in product defects and affecting the quality and performance of the product.

[0004] Therefore, in view of the above-mentioned technical problems, it is necessary to propose a new technical solution. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems existing in the background technology and provide a coating auxiliary device. By setting a clamping component, the product to be coated is straightened and smoothed by the clamping component before coating the product. At the same time, the product to be coated is clamped by the chuck during the coating process, thereby ensuring that the straightened and smoothed product can be smoothly immersed in the liquid pipe for coating, so as to overcome the influence of the buoyancy of the coating liquid in the liquid pipe on the product.

[0006] In order to achieve the purpose of the invention, the present invention provides a coating auxiliary device, which includes a clamping component, a clamping drive component and a wire drawing drive component, the clamping component includes a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw respectively include a plurality of chucks, the chucks of the first clamping jaw and the chucks of the second clamping jaw correspond one to one, the clamping drive component drives the first clamping jaw and / or the second clamping jaw to move between their respective open positions and clamping positions, and the wire drawing drive component drives the clamping component to move along the length direction of the clamped product.

[0007] Further, the clamping component further comprises a clamping seat, and the first clamping jaw and the second clamping jaw are movably arranged on the clamping seat.

[0008] Further, the clamping seat comprises a bottom plate and a vertical plate, and the vertical plate is arranged vertically on one side of the bottom plate.

[0009] Further, the first clamping jaw and the second clamping jaw are located on the same side of the vertical plate, and the first clamping jaw and the second clamping jaw are respectively connected to the vertical plate in a sliding manner.

[0010] Further, the first clamping jaw comprises a first clamping jaw body and a plurality of first clamping heads, the first clamping jaw body is connected to the vertical plate in a sliding manner, the first clamping heads are arranged on the first clamping jaw body, one end of each first clamping head extends away from the vertical plate, and the first clamping heads are arranged at intervals along the length direction of the vertical plate; the second clamping jaw comprises a second clamping jaw body and a plurality of second clamping heads, the second clamping jaw body is connected to the vertical plate in a sliding manner, the second clamping heads are arranged on the second clamping jaw body, one end of each second clamping head extends away from the vertical plate, and the second clamping heads are arranged at intervals along the length direction of the vertical plate; and the first clamping heads and the second clamping heads are arranged alternately along the length direction of the vertical plate.

[0011] Further, the first clamping heads comprise a plurality of first long clamping heads and a plurality of first short clamping heads, the second clamping heads comprise a plurality of second long clamping heads and a plurality of second short clamping heads, the first long clamping heads correspond to the second long clamping heads one by one, and the first short clamping heads correspond to the second short clamping heads one by one.

[0012] Further, the opposite sides of the first clamping heads and the corresponding second clamping heads are respectively provided with protective members.

[0013] Further, the clamping driving component can drive the first clamping jaw body to move the first clamping heads in the length direction of the vertical plate, and / or the clamping driving component can drive the second clamping jaw body to move the second clamping heads in the length direction of the vertical plate.

[0014] Further, it further comprises a contraction driving component, and the contraction driving component drives the clamping component to approach or move away from the product to be clamped.

[0015] Further, a plurality of strip-shaped through holes are arranged on the bottom plate, the strip-shaped through holes extend in the extension direction of the first clamping heads or the second clamping heads and penetrate the end of the bottom plate, and each strip-shaped through hole is located between each group of corresponding first clamping heads and second clamping heads.

[0016] The application also provides a medical consumable hydrophilic coating method, which comprises:

[0017] The clamping component (1) is arranged to straighten and smooth the product (5) to be coated before the hydrophilic coating of the medical consumable product (5).

[0018] The chuck clamps the product (5) to be coated during the hydrophilic coating of the product (5), thereby ensuring that the straightened and smoothed product (5) can be smoothly immersed into the liquid pipe for coating, so as to overcome the influence of the coating liquid buoyancy in the liquid pipe on the product (5).

[0019] Further, an auxiliary coating device is used in the coating process, which comprises the clamping component (1), the clamping driving component (2), the wire straightening driving component (3), and the contraction driving component (4).

[0020] The clamping component (1) comprises a first clamping jaw (11) and a second clamping jaw (12), the first clamping jaw (11) and the second clamping jaw (12) each comprise a plurality of chucks, the chucks of the first clamping jaw (11) and the chucks of the second clamping jaw (12) correspond to each other, the clamping driving component (2) drives the first clamping jaw (11) and / or the second clamping jaw (12) to move between the respective open position and the clamping position, the wire straightening driving component (3) drives the clamping component (1) to move along the length direction of the clamped product (5), and the contraction driving component (4) drives the clamping component (1) to approach or move away from the product (5) to be clamped.

[0021] Further, the clamping component (1) further comprises a clamping seat (13), the first clamping jaw (11) and the second clamping jaw (12) are movably arranged on the clamping seat (13); the first clamping jaw (11) comprises a first clamping jaw body (111) and a plurality of first chucks (112); the second clamping jaw (12) comprises a second clamping jaw body (121) and a plurality of second chucks (122); the clamping seat (13) comprises a bottom plate (131), a plurality of strip-shaped through holes (133) are arranged on the bottom plate (131), the strip-shaped through holes (133) extend along the extension direction of the first chucks (112) or the second chucks (122) and penetrate the end of the bottom plate (131), and each strip-shaped through hole (133) is located between each group of corresponding first chucks (112) and second chucks (122).

[0022] The opposite sides of the first chucks (112) and the corresponding second chucks (122) are respectively provided with protection members (14).

[0023] Further, when the medical consumable product (5) is coated with hydrophilic coating, the silk straightening driving component (3) drives the contraction driving component (4) to drive the clamping component (1) to move up to a specified position as the starting position of silk straightening;

[0024] Then the contraction driving component (4) drives the clamping component (1) to move in the direction of the product (5), and during the movement, the first clamping jaw (11) or the second clamping jaw (12) of the clamping component (1) is in the open position;

[0025] Then under the guidance of the strip-shaped through hole (133), the product (5) will move between the corresponding first clamping head (112) and the second clamping head (122) and be located at the position of the corresponding protection piece (14);

[0026] Then the silk straightening driving component (3) drives the contraction driving component (4) to drive the clamping component (1) to move down at a constant speed to a specified position, and during the movement down, the clamping component (1) will straighten the curved product (5).

[0027] Further, after the curved product (5) is straightened, the silk straightening driving component (3) drives the contraction driving component (4) to drive the clamping component (1) to move up by a certain distance, and then the clamping driving component (2) drives the first clamping jaw (11) or the second clamping jaw (12) to move to the clamping position to clamp the product (5);

[0028] Then the liquid pipe (6) moves up by a certain distance to make the bottom end of the product (5) inserted into the liquid pipe (6) to perform dip coating on the product (5).

[0029] Further, after the product (5) is dip coated, the clamping driving component (2) drives the first clamping jaw (11) or the second clamping jaw (12) to move to the open position, and then the silk straightening driving component (3) drives the contraction driving component (4) to drive the clamping component (1) to move up by a certain distance again, the clamping driving component (2) drives the first clamping jaw (11) or the second clamping jaw (12) to clamp the product (5) again, and then the liquid pipe (6) moves up by a certain distance again to perform further dip coating on the product (5);

[0030] Repeat the action until the part of the product (5) to be coated is completely dipped in the coating liquid, and the contraction driving component (4) drives the clamping component (1) to move back to the initial position away from the product (5).

[0031] The medical consumable hydrophilic coating coating method has at least one or more of the following beneficial effects:

[0032] (1) The medical consumable hydrophilic coating coating method of the application uses a coating auxiliary device which is provided with clamping components and can move along the length direction of the product before coating the product, thereby straightening the product;

[0033] (2) The medical consumable hydrophilic coating coating method of the application can ensure that the straightened product can be smoothly immersed into the liquid pipe for coating by clamping the to-be-coated product by the clamping components during the coating process, thereby overcoming the influence of the coating liquid buoyancy in the liquid pipe on the product;

[0034] (3) The coating auxiliary device of the application is provided with a protection piece on the chuck, which can be made of soft materials such as silica gel, so as to ensure that the chuck will not damage the surface of the product when clamping the product, thereby effectively protecting the product;

[0035] (4) The coating auxiliary device of the application adopts long and short chucks to stagger clamping, so that the product can be arranged in a staggered manner when hanging, the product can be clamped in a staggered manner, the mutual collision between the products can be effectively avoided, and the coating effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 The setting position schematic view between the coating auxiliary device provided by the embodiment of the application and the liquid pipe and the product;

[0037] Figure 2 The structure schematic view of the clamping component provided by the embodiment of the application;

[0038] Figure 3 The state schematic view of the clamping component provided by the embodiment of the application when the two clamping jaws are in the open position;

[0039] Figure 4 The state schematic view of the clamping component provided by the embodiment of the application when the two clamping jaws are in the clamping position.

[0040] Wherein, 1-clamping component, 11-first clamping jaw, 111-first clamping jaw body, 112-first chuck, 12-second clamping jaw, 121-second clamping jaw body, 122-second chuck, 13-clamping seat, 131-bottom plate, 1311-fixed part, 1312-carding part, 132-stand plate, 133-strip-shaped through hole, 14-protection piece, 15-guide rail, 16-sliding block, 2-clamping driving component, 21-connecting rod, 3-straightening driving component, 4-shrinking driving component, 5-product, 6-liquid pipe. DETAILED DESCRIPTION

[0041] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0042] This embodiment provides a coating auxiliary device, such as Figure 1 As shown, it is arranged on one side of the product to be coated 5, the product to be coated 5 is arranged vertically, the liquid pipe 6 is located below the product to be coated 5, and the coating liquid is contained in the liquid pipe 6. By driving the liquid pipe 6 to move up and down, the product to be coated 5 can be immersed in the coating liquid in the liquid pipe 6 to achieve coating.

[0043] The coating auxiliary device of this embodiment includes a clamping component 1 , a clamping drive component 2 and a wire drawing drive component 3 .

[0044] like Figure 2 As shown, the clamping component 1 includes a first clamping jaw 11, a second clamping jaw 12 and a clamping seat 13. The clamping seat 13 is preferably composed of a base plate 131 and a vertical plate 132. The vertical plate 132 is vertically arranged on the upper side of the base plate 131, dividing the base plate 131 into two parts: a fixing portion 1311 and a combing portion 1312. It should be noted that the vertical plate 132 and the base plate 131 can be either split-type fixed connection or integrally formed. Similarly, the fixing portion 1311 and the combing portion 1312 can also be independent parts, which are vertically fixed on both sides of the vertical plate 132.

[0045] The first clamping jaw 11 and the second clamping jaw 12 are located on the same side of the vertical plate 132, that is, on the side of the combing portion 1312. Figure 2 As shown. The first clamping jaw 11 includes a first clamping jaw body 111 and a plurality of first clamping heads 112, and the second clamping jaw 12 includes a second clamping jaw body 121 and a plurality of second clamping heads 122. The first clamping jaw body 111 and the second clamping jaw body 121 are preferably of a long strip structure, and the first clamping jaw body 111 and the second clamping jaw body 121 are arranged parallel to each other in an upper and lower spaced relationship, and the length direction is consistent with the length direction of the vertical plate 132. The first clamping jaw body 111 and the second clamping jaw body 121 are respectively slidably connected to the vertical plate 132. Preferably, a guide rail 15 is provided on the side of the vertical plate 132 facing the first clamping jaw 11 or the second clamping jaw 12, and the length direction of the guide rail 15 is consistent with the length direction of the vertical plate 132. The first clamping jaw body 111 or the second clamping jaw body 121 is slidably connected to the guide rail 15 via a slider 16. The guide rail 15 can support the first clamping jaw 11 or the second clamping jaw 12 , and can also guide the first clamping jaw 11 or the second clamping jaw 12 to move in the length direction of the vertical plate 132 .

[0046] The first clamping head 112 and the second clamping head 122 preferably adopt a convex structure, having a connecting portion and a clamping portion. The connecting portion of the first clamping head 112 is fixedly connected to the upper end surface of the first clamping jaw body 111, and the connecting portion of the second clamping head 122 is fixedly connected to the lower end surface of the second clamping jaw body 121. Figure 3 or Figure 4 As shown. That is, the respective connection parts of the first chuck 112 and the second chuck 122 are respectively located in the middle of the first jaw body 111 and the second jaw body 121, which can play a role in further supporting and separating the first jaw body 111 and the second jaw body 121. The fixing method between the chuck and the jaw body can be in various forms, such as welding, gluing or bolting, etc., which are not limited here. The clamping part of the chuck extends in the direction away from the vertical plate 132, and the clamping part preferably adopts a vertically arranged plate-like structure. A plurality of the first chucks 112 and a plurality of the second chucks 122 are respectively spaced apart along the length direction of the vertical plate 132, and a plurality of the first chucks 112 and a plurality of the second chucks 122 are alternately arranged in the length direction of the vertical plate 132, as shown in FIG. Figures 2 to 4 As shown, one first clamp 112 corresponds to one second clamp 122, forming a clamping claw structure between the first clamp 112 and the corresponding second clamp 122. Furthermore, a protective member 14 is provided on the opposite sides of the first clamp 112 and the corresponding second clamp 122. Preferably, a protective pad structure made of a soft material such as silicone is used. This is soft, non-toxic, and odorless, and prevents the clamp from damaging the surface of the product 5 when clamping the product 5, effectively protecting the product 5.

[0047] In a further embodiment, a plurality of the first chucks 112 and a plurality of the second chucks 122 are staggered and arranged in different sizes, that is, the first chuck 112 includes a plurality of first long chucks and a plurality of first short chucks, and the second chuck 122 includes a plurality of second long chucks and a plurality of second short chucks, wherein the length of the short chucks is less than that of the long chucks, and the first long chucks correspond to the second long chucks one-to-one, and the first short chucks correspond to the second short chucks one-to-one, such as Figures 2 to 4 This allows the products 5 to be arranged in multiple rows in a staggered manner when hanging, and staggered clamping of the products 5 can be performed, thereby clamping more products 5 and effectively preventing the products 5 from colliding or getting entangled with each other, further improving the coating effect.

[0048] like Figures 2 to 4As shown, the figure schematically shows a clamping driving mode, that is, the clamping driving component 2 preferably adopts a clamping jaw cylinder. The clamping driving component 2 is fixedly arranged at the fixed part 1311 of the bottom plate 131, and is located at the same side of the clamping jaw on the bottom plate 131. A strip-shaped guide through hole is formed at the position corresponding to the first clamping jaw body 111 and the second clamping jaw body 121 of the vertical plate 132 respectively, and the length direction of the strip-shaped guide through hole is consistent with the length direction of the vertical plate 132. One connecting rod 21 is arranged in the strip-shaped guide through hole, so that the two ends of one connecting rod 21 are respectively connected with the first clamping jaw body 111 and one clamping jaw of the clamping jaw cylinder, and the two ends of the other connecting rod 21 are respectively connected with the second clamping jaw body 121 and the other clamping jaw of the clamping jaw cylinder. In this way, under the linkage of the connecting rod 21, when the clamping jaw cylinder works to open and close the two clamping jaws, it drives the first clamping jaw body 111 and the second clamping jaw body 121 to move in the length direction of the vertical plate 132, that is, drives the first clamping jaw 11 and the second clamping jaw 12 to move between the respective opening position and the clamping position. As shown in Figure 3 , the first chuck 112 and the corresponding second chuck 122 have a certain interval. As shown in Figure 4 , the first chuck 112 and the corresponding second chuck 122 are close or close, thereby clamping the product 5 placed between the first chuck 112 and the second chuck 122. It should be noted that the driving mode of the first clamping jaw 11 and the second clamping jaw 12 is not limited to this, and the clamping driving component 2 is also not limited to the clamping jaw cylinder, and in specific implementation, the product 5 to be coated can also be clamped by driving the first clamping jaw 11 or the second clamping jaw 12 to move.

[0049] The silk guiding driving component 3 drives the clamping component 1 to move along the length direction of the clamped product 5. Preferably, the silk guiding driving component 3 can adopt a sliding table cylinder, which is recorded as a first sliding table cylinder, which is vertically arranged, and the bottom plate 131 is fixed on the sliding table of the first sliding table cylinder, so that the sliding table can be driven to move by the first sliding table cylinder, thereby driving the clamping component 1 to move in the vertical direction.

[0050] In a further embodiment, the coating auxiliary device further includes a retraction drive component 4, which drives the clamping component 1 to move closer to or away from the product 5 to be clamped. The retraction drive component 4 can have various structures, such as a slide cylinder, which is denoted as a second slide cylinder. The slide cylinder is placed horizontally, and its main body is fixedly connected to the slide of the second slide cylinder. The bottom plate 131 is fixed to the slide of the second slide cylinder. In this way, the clamping component 1 can be moved in both the vertical and horizontal directions.

[0051] Furthermore, a plurality of strip-shaped through holes 133 may be provided on the combing portion 1312 of the bottom plate 131. The strip-shaped through holes 133 extend in the extension direction of the first clamp 112 or the second clamp 122 and pass through the end of the bottom plate 131. Each strip-shaped through hole 133 is located between each group of correspondingly provided first clamps 112 and second clamps 122. Figure 2 In a specific implementation, the strip-shaped through hole 133 can serve as a guide groove. Furthermore, the opening of the strip-shaped through hole 133 can be flared to ensure that when the clamping member 1 moves toward the product 5 to be coated, the product 5 can smoothly enter between the corresponding first clamp 112 and second clamp 122.

[0052] Next, the working process of the coating auxiliary device of this embodiment will be further described.

[0053] When coating the product 5, the thread-straightening drive component 3 drives the contraction drive component 4 to drive the clamping component 1 to move up to a specified position as the starting position for threading. Thereafter, the contraction drive component 4 drives the clamping component 1 to move horizontally toward the product 5, and during the movement, the first clamping jaw 11 or the second clamping jaw 12 of the clamping component 1 is in an open position. Thereafter, under the guidance of the strip-shaped through hole 133, the product 5 will move between the corresponding first chuck 112 and the second chuck 122, and be located at the position of the corresponding protective part 14. Thereafter, the thread-straightening drive component 3 drives the contraction drive component 4 to drive the clamping component 1 to move downward at a uniform speed to a specified position, such as a position close to the liquid pipe 6, and during the downward movement, the clamping component 1 will straighten the bent product 5.

[0054] The thread-winding drive component 3 then drives the retraction drive component 4 to move the clamping component 1 upward a certain distance. The clamping drive component 2 then drives the first clamping jaw 11 or the second clamping jaw 12 to move to the clamping position to clamp the product 5. The liquid tube 6 then moves upward a set distance so that the bottom end of the product 5 is inserted into the liquid tube 6, and the product 5 is dip-coated.

[0055] Afterwards, the clamping drive component 2 drives the first clamping jaw 11 or the second clamping jaw 12 to move to the open position, and then the threading drive component 3 drives the contraction drive component 4 again to drive the clamping component 1 to move up a certain distance. The clamping drive component 2 drives the first clamping jaw 11 or the second clamping jaw 12 again to clamp the product 5, and then the liquid pipe 6 moves up a set distance again to further dip the product 5. The action is repeated until the part of the product 5 to be coated is completely dipped in the coating liquid, and the contraction drive component 4 drives the clamping component 1 back to its initial position away from the product 5. In this way, under the clamping of the clamping component 1, the product 5 can effectively overcome the buoyancy of the coating liquid during the coating process.

[0056] The coating auxiliary device of the present application has at least one or more of the following beneficial effects:

[0057] (1) The coating auxiliary device of the present application is provided with a clamping member that can be moved along the length direction of the product before coating, thereby straightening and smoothing the product;

[0058] (2) The coating auxiliary device of the present application, during the coating process, clamps the product to be coated by means of a clamping member, thereby ensuring that the straightened product can be smoothly immersed in the liquid tube for coating, thereby overcoming the influence of the buoyancy of the coating liquid in the liquid tube on the product;

[0059] (3) The coating auxiliary device of the present application is provided with a protective member on its chuck, which can be made of a soft material such as silicone to ensure that when the clamping member clamps the product, the chuck will not cause damage to the surface of the product, thereby effectively protecting the product;

[0060] (4) The coating auxiliary device of the present application adopts a staggered clamping method of long and short clamps, which allows the products to be arranged in multiple rows in a staggered manner when hanging, and the products can be staggered and clamped, which can effectively avoid collisions between products and further improve the coating effect.

[0061] As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion of elements other than the listed elements and may also include additional elements not specifically listed.

[0062] In this document, directional terms such as front, back, top, and bottom are defined based on the positions of components in the accompanying drawings and relative to each other, and are intended only for clarity and convenience in describing the technical solution. It should be understood that the use of these directional terms should not limit the scope of protection claimed in this application.

[0063] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for applying a hydrophilic coating to medical consumables, comprising: A clamping component (1) is provided to straighten and smooth the product (5) to be coated by the clamping component (1) before the medical consumable product (5) is coated with a hydrophilic coating; During the process of applying the hydrophilic coating to the product (5), the product (5) to be coated is clamped by a chuck, thereby ensuring that the straightened product (5) can be smoothly immersed in the liquid tube for coating, so as to overcome the influence of the buoyancy of the coating liquid in the liquid tube on the product (5).

2. The method for applying a hydrophilic coating to medical consumables according to claim 1, wherein: A coating auxiliary device is used in the coating process, comprising a clamping component (1), a clamping drive component (2), a wire drawing drive component (3), and a shrinking drive component (4); The clamping component (1) includes a first clamping jaw (11) and a second clamping jaw (12), and the first clamping jaw (11) and the second clamping jaw (12) respectively include a plurality of clamping heads, and the clamping heads of the first clamping jaw (11) and the clamping heads of the second clamping jaw (12) correspond to each other one by one. The clamping drive component (2) drives the first clamping jaw (11) and / or the second clamping jaw (12) to move between their respective open positions and clamping positions, respectively. The thread-pulling drive component (3) drives the clamping component (1) to move along the length direction of the clamped product (5), and the contraction drive component (4) drives the clamping component (1) to move closer to or away from the product (5) to be clamped.

3. The method for applying a hydrophilic coating to medical consumables according to claim 2, wherein: The clamping component (1) further comprises a clamping seat (13), wherein the first clamping jaw (11) and the second clamping jaw (12) are respectively movably arranged on the clamping seat (13); the first clamping jaw (11) comprises a first clamping jaw body (111) and a plurality of first clamping heads (112); the second clamping jaw (12) comprises a second clamping jaw body (121) and a plurality of second clamping heads (122); the clamping seat (13) comprises a bottom plate (131), wherein the bottom plate (131) is provided with a plurality of strip-shaped through holes (133), wherein the strip-shaped through holes (133) extend in the extension direction of the first clamping head (112) or the second clamping head (122) and pass through the end of the bottom plate (131), and each strip-shaped through hole (133) is respectively located between each group of correspondingly arranged first clamping heads (112) and second clamping heads (122); The first clamp (112) and the opposite side of the corresponding second clamp (122) are respectively provided with a protective member (14).

4. The method for applying a hydrophilic coating to medical consumables according to claim 3, wherein: When the medical consumable product (5) is coated with a hydrophilic coating, the thread-pulling driving component (3) drives the contraction driving component (4) to drive the clamping component (1) to move upward to a designated position as the starting position for thread-pulling; Then, the contraction drive component (4) drives the clamping component (1) to move in a direction toward the product (5), and during the movement, the first clamping jaw (11) or the second clamping jaw (12) of the clamping component (1) is in an open position; Then, under the guidance of the strip-shaped through hole (133), the product (5) will move between the corresponding first clamp (112) and the second clamp (122) and be located at the position of the corresponding protective member (14); Afterwards, the wire drawing drive component (3) drives the contraction drive component (4) to drive the clamping component (1) to move downward to a specified position at a uniform speed. During the downward movement, the clamping component (1) will straighten the bent product (5).

5. The method for applying a hydrophilic coating to medical consumables according to claim 4, wherein: After the bent product (5) is straightened, the wire-straightening drive component (3) drives the contraction drive component (4) to move the clamping component (1) upward a certain distance, and then the clamping drive component (2) drives the first clamping jaw (11) or the second clamping jaw (12) to move to a clamping position to clamp the product (5); Then the liquid pipe (6) is moved upward by a set distance so that the bottom end of the product (5) is inserted into the liquid pipe (6) and the product (5) is dip-coated.

6. The method for applying a hydrophilic coating to medical consumables according to claim 5, wherein: After the product (5) is dipped, the clamping drive component (2) drives the first clamping jaw (11) or the second clamping jaw (12) to move to the open position, and then the threading drive component (3) drives the contraction drive component (4) again to drive the clamping component (1) to move up a certain distance, and the clamping drive component (2) drives the first clamping jaw (11) or the second clamping jaw (12) again to clamp the product (5), and then the liquid pipe (6) moves up again by a set distance to further dip the product (5); The action is repeated until the portion of the product (5) to be coated is completely immersed in the coating liquid, and the contraction drive component (4) drives the clamping component (1) to move back to the initial position away from the product (5).

Images