CN218615079U

CN218615079U - Meniscus sewing nail handle mould

Info

Publication number: CN218615079U
Application number: CN202222975772.XU
Authority: CN
Inventors: 陈显贵
Original assignee: Taicang Delta Precision Technology Co ltd
Current assignee: Taicang Delta Precision Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-14
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a meniscus sewing nail handle mould, which comprises a first module, a second module and a movable assembly, wherein the first module comprises a first fixed plate, a positioning ring, a first template and a first mould core, the positioning ring is arranged on one side of the first fixed plate, the first template is arranged on the other side of the first fixed plate, and the first mould core is arranged on one side of the first template; the second module comprises a second fixing plate, a second template and a second mold core, the second template is arranged on one side of the second fixing plate, a first positioning piece for positioning the needle tube is arranged on the second template, and the second mold core is arranged on one side of the second template; the movable component comprises a movable part and an insert, the movable part is arranged on one side of the first mold core and one side of the second mold core, one end of the movable part is provided with an inserting groove, one end of the insert is inserted into the inserting groove, and the other end of the insert is inserted between the first mold core and the second mold core; the utility model discloses the handle of production and needle tubing integration can make handle, needle tubing, stopper, nook closing member and push rod whole cooperation smooth.

Description

Meniscus sewing nail handle mould

Technical Field

The utility model belongs to the technical field of injection mold, in particular to meniscus seam nail handle mould.

Background

The meniscus is sewed and repaired by adopting a meniscus stitching instrument after the meniscus is broken, the meniscus stitching instrument comprises a handle, a limiter, a needle tube, a needle core, a push rod, an implant and the like, and the meniscus stitching operation belongs to minimally invasive surgery, which has higher standard requirements on surgical equipment.

Current injection mold is stable inadequately in the forming process, and the flaw exists easily in the product that so produced, and wherein, installs the stopper of needle tubing and needle tubing on the used handle of meniscus stitching instrument, the stopper is used for the safe limit of control regulation needle tubing dark, and when the handle precision of the production of moulding plastics was not enough, the unable accurate location needle tubing of mounting groove in the handle and stopper, and the installation insecure, this can influence overall structure's cooperation, and then probably influences the operation effect.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a meniscus sewing nail handle mould, its reasonable in design, simple structure, the handle of production and needle tubing integration can make the accurate cooperation of handle, needle tubing, stopper, nook closing member and push rod, and the smoothness is used to the safety that the needle tubing was adjusted to the accuracy is advanced deeply, ensures good operation effect.

The technical scheme is as follows: in order to achieve the purpose, the utility model provides a meniscus sewing nail handle mould, which comprises a first module, a second module and a movable component, wherein the first module comprises a first fixing plate, a positioning ring, a first template and a first mould core, the positioning ring is arranged on one side of the first fixing plate, the first template is arranged on the other side of the first fixing plate, and the first mould core is arranged on one side of the first template; the second module is arranged opposite to the first module and comprises a second fixing plate, a second template and a second mold core, the second template is arranged on one side of the second fixing plate and is provided with a first positioning piece for positioning the needle tube, and the second mold core is arranged on one side of the second template; the movable assembly comprises a movable part and an insert, the movable part is arranged on one side of the first mold core and one side of the second mold core, one end of the movable part is provided with an insert groove, one end of the insert is inserted into the insert groove, the other end of the insert is inserted between the first mold core and the second mold core, and the needle tube, the insert, the first mold core and the second mold core are assembled to form a cavity; realize the location of needle tubing through first setting element and plug-in components, bury the handle injection moulding with the needle tubing, the plug-in components insert first mould benevolence and second mould benevolence, the moving part butt can also strengthen the stable effect to first mould benevolence and second mould benevolence in the tip of first mould benevolence and second mould benevolence through movable assembly, improves the injection moulding quality of handle.

Further, according to the meniscus suture nail handle mold, a movable groove is formed in one side of the second template, the movable groove and the first template form a movable cavity, and the movable assembly is arranged in the movable cavity.

Further, in the meniscus sewing nail handle mold, the first mold group further comprises an inclined guide post, an inclined through hole is formed in the movable member, and the inclined guide post is inserted into the inclined through hole; the movement of the movable assembly is realized through the inclined guide post.

Furthermore, in the meniscus sewing nail handle mould, the second template is provided with a second positioning piece, one end of the movable piece is provided with a positioning groove, and the positioning groove is matched with the second positioning piece; and the withdrawing stroke of the movable assembly is limited by the matching of the second positioning piece and the positioning groove.

Furthermore, the movable part of the meniscus suture nail handle mold comprises a first movable block and a second movable block, the first movable block is arranged on one side of the second mold core, the second movable block is arranged on the other side of the second mold core, the plug-in comprises an insertion block and a contact pin, the insertion block is embedded with the first movable block, the contact pin is embedded with the second movable block, and the contact pin is matched with the inner wall of the needle tube; the mounting groove of the first movable block and the insertion block production limiting stopper is arranged, and the position of the needle tube in the handle is positioned through the second movable block and the insertion pin.

Furthermore, in the meniscus suture nail handle mould, the second template is also provided with a third positioning piece which is clamped on two sides of the needle tube; the position of the needle cannula in the handle is further defined by said third locating element.

Further, in the meniscus suture nail handle mold, the third positioning piece is provided with an arc-shaped bulge part, and the arc-shaped bulge part is matched with the outer wall of the needle tube; the position of the needle cannula in the handle is further defined by the arcuate raised portion.

Furthermore, the second module further comprises an ejector, a support plate is arranged on one side of the second fixing plate, the second template is arranged on the support plate, the ejector is arranged between the second fixing plate and the second template, and one end of the ejector is inserted into the second die core; and ejecting the integrated handle and the needle tube out of the second mold core through the ejecting piece.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model provides a meniscus suture nail handle mould, which realizes the accurate positioning of a needle tube through a first positioning piece and an insert, and embeds the needle tube into a handle for injection molding; the insert is inserted into the first mold core and the second mold core, the moving part is abutted against the end parts of the first mold core and the second mold core, the stabilizing effect on the first mold core and the second mold core can be enhanced through the moving component, and the injection molding quality of the handle is improved; the utility model discloses can make the needle tubing bury the handle accurately, the handle of production and needle tubing integration can make the accurate cooperation of handle, needle tubing, stopper, nook closing member and push rod, and the smoothness is used to the safe depth of needle tubing is adjusted to the accuracy, ensures good operation effect.

2. The second template is also provided with third positioning pieces which are clamped on two sides of the needle tube, and arc-shaped convex parts are arranged on the third positioning pieces and matched with the outer wall of the needle tube; the positioning precision of the needle tube in the handle is further improved by the third positioning piece.

Drawings

Fig. 1 is a schematic structural view of a meniscus suture nail handle mold according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a movable assembly according to an embodiment of the present invention;

fig. 5 is a schematic working diagram of a first movable block and an insertion block according to an embodiment of the present invention;

fig. 6 is a schematic working diagram of a second movable block and a pin according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a third positioning element according to an embodiment of the present invention.

In the figure: the injection molding machine comprises a first module 1, a first fixing plate 11, a positioning ring 12, a first template 13, an inclined guide post 131, a first mold core 14, a second module 2, a second fixing plate 21, a second template 22, a movable groove 221, a second positioning piece 222, a third positioning piece 223, an arc-shaped bulge 224, a second mold core 23, a first positioning piece 24, an ejector 25, a supporting plate 26, a movable component 3, a movable piece 31, a slot 311, an inclined through hole 312, a positioning groove 313, a first movable block 314, a second movable block 315, an insertion piece 32, an insertion block 321, an insertion needle 322 and a needle tube 4.

Detailed Description

The invention will be further elucidated with reference to the drawings and the embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, the embodiment of the utility model provides a meniscus seam nail handle mould uses with injection moulding device cooperation, adopts the method of embedding injection moulding to imbed needle tubing handle injection moulding, the handle mould includes first module 1, second module 2 and movable assembly 3, first module 1 sets up with second module 2 is relative, movable assembly 3 sets up between first module 1 and second mould.

As shown in fig. 1 and 2, the first module 1 includes a first fixing plate 11, a positioning ring 12, a first mold plate 13, and a first mold core 14, the positioning ring 12 is disposed on an outer side of the first fixing plate 11, one end of the positioning ring 12 is abutted to an injection molding device, the other end of the positioning ring 12 is provided with a sprue bush, the sprue bush penetrates into a mold cavity of the mold, the injection molding device can inject a material into the mold cavity, the inner side of the first fixing plate 11 is provided with a plurality of guide pillars perpendicular to a surface, the first mold plate 13 is provided with a plurality of through guide holes, the guide pillars are matched with the guide holes, the first mold plate 13 is inserted into the first fixing plate 11, one end of the guide pillars exposes out of the first mold plate 13, the inner side of the first mold plate 13 is provided with a first mold cavity, and the first mold core 14 is disposed in the first mold cavity.

As shown in fig. 3, the second module 2 includes a second fixing plate 21, a second mold plate 22 and a second mold core 23, the second mold plate 22 is disposed inside the second fixing plate 21, a guide sleeve is disposed inside the second mold plate 22, the guide sleeve is matched with a guide post on the first mold plate 13, a second mold cavity is further disposed inside the second mold plate 22, the second mold core 23 is disposed inside the second mold cavity, a first positioning member 24 is disposed on the second mold plate 22, the first positioning member 24 is needle-shaped, correspondingly, through holes are disposed on the needle tube 4 and the second mold core 23, and the first positioning member 24 passes through the second mold core 23 and the through hole on the needle tube 4 to position the needle tube 4.

The inner side of the second mold plate 22 is provided with a movable groove 221, the movable groove 221 and the first mold plate 13 are matched to form a movable cavity, the movable component 3 is disposed in the movable cavity, as shown in fig. 4, the movable component 3 includes a movable member 31 and an insert 32, one end of the movable member 31 is provided with an insert slot 311, an extending direction of the insert slot 311 is perpendicular to an extending direction of the movable groove 221, the insert 32 is inserted into the insert slot 311, one end of the movable member 31 provided with the insert slot 311 can abut against the first mold core 14 and the second mold core 23, the inner side of the first mold core 14 and/or the second mold core 23 is provided with a groove, after the first mold core 14 and the second mold core 23 are closed, the groove forms a concave cavity, and the insert 32 can be inserted into the concave cavity. It can be understood that a first concave-convex portion is arranged in the cavity, a corresponding second concave-convex portion is arranged on the insert 32, and the first concave-convex portion and the second concave-convex portion are matched to form a limit and a fixing for the insert 32.

Further, the first module 1 further includes an inclined guide post 131, the inclined guide post 131 is disposed in an inclined shape, an inclined through hole 312 is formed on the movable member 31, and the inclined guide post 131 is inserted into the inclined through hole 312; specifically, in the process of closing the first module 1 and the second module 2, the inclined guide pillar 131 drives the movable assembly 3 to move towards the direction close to the second mold core 23, the insert 32 is inserted between the first mold core 14 and the second mold core 23, in the process of opening the first module 1 and the second module 2, the inclined guide pillar 131 drives the movable assembly 3 to move towards the direction far away from the second mold core 23, and the insert 32 exits from the product.

Further, a second positioning element 222 is disposed on the second template 22, a positioning slot 313 is disposed at one end of the movable element 31, and the positioning slot 313 is matched with the second positioning element 222; specifically, the second positioning element 222 is disposed in the withdrawing direction of the movable element 3, the withdrawing direction is a direction away from the second mold core 23, and when the second positioning element 222 is clamped in the positioning groove 313 of the movable element 31, the insert 32 withdraws from the product.

Further, as shown in fig. 5 and 6, the movable member 31 includes a first movable block 314 and a second movable block 315, the first movable block 314 is disposed on one side of the second mold core 23, the second movable block 315 is disposed on the other side of the second mold core 23, the insert 32 includes an insert 321 and an insert pin 322, the insert 321 is embedded with the first movable block 314, the insert pin 322 is embedded with the second movable block 315, the insert pin 322 includes a first needle body and a second needle body, the first needle body is matched with the inner wall of the needle tube 4, the second needle body is disposed on one side of the needle tube 4, and the second needle body is used for forming a cavity in the handle; specifically, the first movable block 314 and the insertion block 321 are used for producing mounting grooves of the stopper, and the second movable block 315 and the insertion pin 322 are used for positioning the needle tube 4.

Further, as shown in fig. 7, a third positioning element 223 is further disposed on the second template 22, and the third positioning element 223 is clamped on two sides of the needle tube 4; specifically, the third positioning element 223 abuts against one side of the first mold core 14 and one side of the second mold core 23 to assist and stabilize the first mold core 14 and the second mold core 23, a groove is formed in the third positioning element 223, a bottom of the groove is an arc surface matched with an outer wall of the needle tube 4, and the needle tube 4 is placed in the groove of the third positioning element 223.

Further, as shown in fig. 7, an arc-shaped protrusion 224 is disposed on the inner side of the second positioning member 222, and the arc-shaped protrusion 224 is engaged with the outer wall of the needle tube 4; specifically, the arc-shaped protrusion 224 is disposed at an end far away from the groove, and the needle tube 4 is limited in the groove of the third positioning element 223 through the arc-shaped protrusion 224, so as to stabilize the needle tube 4.

Further, the inner side of the second fixing plate 21 is provided with a plurality of supporting columns perpendicular to the surface thereof, the supporting plate 26 is provided with a plurality of supporting holes, the length of each supporting column is greater than the thickness of the supporting plate 26, a plurality of positioning holes are formed in the outer side of the second template 22, the supporting plate 26 is inserted into the second fixing plate 21 through the supporting holes, the second template 22 is sleeved on the supporting plate 26 through the positioning holes, a space for installing the ejector 25 is formed between the second template 22 and the second fixing plate 21 through the supporting plate 26, one end of the ejector 25 is inserted into the second mold insert 23, the ejector 25 can eject the handle out of the second mold insert 23 and eject the needle tube 4 out of the third positioning part 223, and the ejector 25 adopts an ejector pin.

The using method of the meniscus suture nail handle mold comprises the steps of loading the mold on an injection molding device, positioning the needle tube 4 on the second mold core 23 by the first positioning piece 24, the third positioning piece 223 and the inserting needle 322, wherein in the process of mold closing, the inclined guide pillar 131 pushes the first moving piece 31 and the second moving piece 31 towards the direction close to the second mold core 23, the inserting needle 322 is inserted into the needle tube 4, the inserting block 321 enters the space between the first mold core 14 and the second mold core 23, a cavity is formed under the combined action of the needle tube 4, the inserting block 321, the inserting needle 322, the first mold core 14 and the second mold core 23, the injection molding device injects materials into the cavity, after the materials are solidified in the cavity, the handle wraps the needle tube 4, opening the mold, the inclined guide pillar 131 pushes the first moving piece 31 and the second moving piece 31 towards the direction far away from the second mold core 23, the inserting needle 322 withdraws from the needle tube 4, the inserting block 321 withdraws, and the ejector 25 ejects the handle from the cavity.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a meniscus suture nail handle mould, includes first module (1), second module (2) and movable assembly (3), its characterized in that:

the first module (1) comprises a first fixing plate (11), a positioning ring (12), a first template (13) and a first mold core (14), wherein the positioning ring (12) is arranged on one side of the first fixing plate (11), the first template (13) is arranged on the other side of the first fixing plate (11), and the first mold core (14) is arranged on one side of the first template (13);

the second module (2) is arranged opposite to the first module (1) and comprises a second fixing plate (21), a second template (22) and a second mold core (23), the second template (22) is arranged on one side of the second fixing plate (21), a first positioning piece (24) for positioning the needle tube is arranged on the second template (22), and the second mold core (23) is arranged on one side of the second template (22);

the movable assembly (3) comprises a movable piece (31) and an insert (32), the movable piece (31) is arranged on one side of the first mold core (14) and the second mold core (23), a slot (311) is formed in one end of the movable piece (31), one end of the insert (32) is inserted into the slot (311), the other end of the insert is inserted between the first mold core (14) and the second mold core (23), and the needle tube, the insert (32), the first mold core (14) and the second mold core (23) are assembled to form a mold cavity.

2. The meniscus suture nail handle mold of claim 1, wherein: a movable groove (221) is formed in one side of the second template (22), a movable cavity is formed by the movable groove (221) and the first template (13), and the movable assembly (3) is arranged in the movable cavity.

3. The meniscus suture nail handle mold of claim 1, wherein: the first module (1) further comprises an inclined guide post (131), an inclined through hole (312) is formed in the movable piece (31), and the inclined guide post (131) is inserted into the inclined through hole (312).

4. The meniscus suture nail handle mold of claim 1, wherein: the second template (22) is provided with a second positioning piece (222), one end of the movable piece (31) is provided with a positioning groove (313), and the positioning groove (313) is matched with the second positioning piece (222).

5. The meniscus suture nail handle mold of claim 1, wherein: the movable part (31) comprises a first movable block (314) and a second movable block (315), the first movable block (314) is arranged on one side of a second mold core (23), the second movable block (315) is arranged on the other side of the second mold core (23), the plug-in piece (32) comprises a plug-in block (321) and a plug pin (322), the plug-in block (321) is embedded with the first movable block (314), the plug pin (322) is embedded with the second movable block (315), and the plug pin (322) is matched with the inner wall of the needle tube.

6. The meniscus suture nail handle mold of claim 5, wherein: and a third positioning piece (223) is further arranged on the second template (22), and the third positioning piece (223) is clamped on two sides of the needle tube.

7. The meniscus suture nail handle mold of claim 6, wherein: an arc-shaped bulge (224) is arranged on the third positioning piece (223), and the arc-shaped bulge (224) is matched with the outer wall of the needle tube.

8. The meniscus suture nail handle mold of claim 1, wherein: the second module (2) further comprises an ejector (25), a supporting plate (26) is arranged on one side of the second fixing plate (21), the second template (22) is arranged on the supporting plate (26), the ejector (25) is arranged between the second fixing plate (21) and the second template (22), and one end of the ejector (25) is inserted into the second mold core (23).