CN219427330U - Medical wire injection molding die - Google Patents

Abstract

The utility model discloses a medical wire injection molding die which comprises an upper die plate, a lower die plate, a die frame, a die core and a wire pressing block, wherein the die frame is assembled between the upper die plate and the lower die plate, an installation space is formed in the die frame, the die core and the wire pressing block are both installed in the installation space, the die core is used for molding a wire plug, the wire pressing block is used for pressing the wire, the die core and the wire pressing block are tightly attached, and a cooling medium channel for reducing the temperature of the wire in the wire plug molding process is formed in the wire pressing block. According to the medical wire injection molding die disclosed by the utility model, the cooling medium channel is formed in the wire pressing block for pressing the wire, so that the cooling medium is conveniently injected into the wire pressing block during wire plug molding, the temperature of the wire is reduced, the temperature of the wire is further reduced, the damage of wire skin caused by overhigh molding temperature at the tail part of the wire is prevented, the qualification rate of wire plug injection molding is high, the qualification rate of wire slots is further improved, and the production efficiency is also greatly improved.

Description

Medical wire injection molding die

Technical Field

The utility model relates to the technical field of medical wire forming, in particular to a medical wire injection molding die.

Background

In the process of producing the medical wire plug, the wire plug needs to be cooled in the process of forming the wire plug, and the quality of the cooling effect directly influences the forming quality of the product.

In the related art, a method of cooling a mechanical cavity is adopted in the medical wire plug forming process, but because the medical wire is generally smaller in outer diameter and thinner in thickness, after the plug is formed, the product qualification rate is low and the waste is large because of poor cooling effect.

Disclosure of Invention

In order to solve the technical problems, the embodiment of the utility model is expected to provide a medical wire injection molding die with a molding cooling effect.

The technical scheme of the utility model is realized as follows:

the utility model provides a medical wire injection molding mould, includes cope match-plate pattern, lower bolster, die carrier, mould benevolence and line ball piece, the die carrier equipment in the cope match-plate pattern with between the lower bolster, the installation space has been seted up to the die carrier inside, the mould benevolence with the line ball piece all install in the installation space, the mould benevolence is used for shaping wire rod plug, the line ball piece is used for pushing down the wire rod, the mould benevolence with the line ball piece is hugged closely the setting, set up in the line ball piece and be used for reducing the wire rod plug shaping in-process the cooling medium passageway of the temperature of wire rod.

Preferably, the cooling medium channel penetrates through two end faces of the wire pressing block.

Preferably, the cooling medium channel is filled with cooling water.

Preferably, two ends of the pressing line block are detachably connected with cooling water connectors communicated with the cooling medium channels respectively.

Preferably, the cooling water connector is connected with the line pressing block through threads.

Preferably, the end parts of the line pressing blocks are all provided with internal threads in a turning mode.

Preferably, the width of the line pressing block is set to be 15-20mm.

Preferably, the line ball piece includes line ball piece and lower line ball piece, the cooling medium passageway set up in line ball piece with in the line ball piece down, line ball piece with the cooling medium passageway of line ball piece down communicates each other.

Preferably, the die core comprises an upper die core and a lower die core, the upper pressing line block is tightly attached to the upper die core, and the lower pressing line block is tightly attached to the lower die core.

According to the medical wire injection molding die provided by the embodiment of the utility model, the cooling medium channel is formed in the wire pressing block for pressing the wire, so that the cooling medium is conveniently injected into the wire pressing block during wire plug molding, the temperature of the wire is reduced, the temperature of the wire is further reduced, the damage of wire skin caused by the fact that the molding temperature of the tail of the wire is too high is prevented, the injection molding qualification rate of the wire plug is high, the qualification rate of the wire slot is further improved, and the production efficiency is also greatly improved.

Drawings

Fig. 1 is a structural exploded view of a medical wire injection molding die provided by the utility model;

fig. 2 is a schematic view of a part of the injection molding die for the medical wire shown in fig. 1.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1 and fig. 2 in combination. This medical wire injection moulding mould includes cope match-plate pattern 1, lower bolster 2, die carrier 3, mould benevolence 4 and line ball piece 5, die carrier 3 equipment in cope match-plate pattern 1 with between the lower bolster 2, the installation space has been seted up to die carrier 3 inside, mould benevolence 4 with line ball piece 5 all install in the installation space, mould benevolence 4 is used for shaping wire rod plug 8, line ball piece 5 is used for pushing down wire rod 9, mould benevolence 4 with line ball piece 5 hugs closely the setting, set up in line ball piece 5 and be used for reducing the wire rod plug 8 shaping in-process the coolant passageway of the temperature of wire rod. Through seting up the coolant passageway in the line ball piece 5 of push down the wire rod, be convenient for like this in the wire rod plug 8 shaping time to pour into coolant into in the line ball piece 5, in order to reduce the temperature of line ball piece 5, and then reduce the temperature of wire rod, prevent wire rod 9 afterbody and arouse the line skin damage because of shaping high temperature for wire rod plug injection molding qualification rate is high, and then makes the qualification rate of wire casing improve, and production efficiency has also obtained great improvement.

Specifically, in this embodiment, the cooling medium channels penetrate through both end surfaces of the wire pressing block 5, so that the cooling medium can be input from one end to the other end of the wire pressing block 5, and the cooling medium is fully poured into the entire cooling medium channels. Of course, it will be appreciated that in some embodiments, due to a specific scenario, the cooling medium channels may not extend entirely through the wire pressing block 5, and the cooling purpose may be achieved by filling the middle of the wire pressing block 5.

Specifically, in this embodiment, the cooling medium channel is filled with cooling water. The municipal water is connected, the use is convenient, and the cost performance of the water is high. Of course, in other embodiments, the cooling medium channel may also be filled with cooled air or the like.

Specifically, in this embodiment, two ends of the pressing block 5 are detachably connected with cooling water connectors 7 that are communicated with the cooling medium channel, and the cooling water connectors 7 are connected with a water pipe of a water supply source so as to convey water flow into the channel.

Specifically, in this embodiment, the cooling water connector 7 is screwed with the wire pressing block 5. The end parts of the line pressing blocks 5 are provided with internal threads, the cooling water joints 7 are provided with external threads, and the cooling water joints 7 and the line pressing blocks 5 are connected through threads, so that the line pressing blocks 5 are convenient to detach.

Specifically, in this embodiment, the width of the pressing block 5 is set to 15-20mm. I.e. the width of the wire pressing block 5 may be 15mm, 16mm, 17mm, 18mm, 19mm or 20mm, preferably in this embodiment, the width of the wire pressing block 5 is 18mm, and the wire pressing block 5 satisfies a certain width so as to open a cooling medium channel.

The die carrier 3 comprises an upper die carrier 31 and a lower die carrier 33, the upper die carrier 31 and the lower die carrier 33 are provided with grooves, and the two grooves are assembled to form the installation space. The die core 4 and the wire pressing block 5 are arranged in the installation space and used for forming a wire plug 8 on a wire 9.

Specifically, in this embodiment, the pressing block 5 includes an upper pressing block 51 and a lower pressing block 53, the cooling medium channels are formed in the upper pressing block 51 and the lower pressing block 53, the cooling medium channels formed in the upper pressing block 51 are upper cooling medium channels 511, the cooling medium channels formed in the lower pressing block 53 are lower cooling medium channels 531, and the upper cooling medium channels 511 and the lower cooling medium channels 531 are mutually communicated. Further, the cooling medium in the upper cooling medium channel 511 is delivered to the upper cooling medium channel 511, the upper and lower channels form a loop, the temperature of the two wire pressing blocks 5 is guaranteed to be in a constant temperature state, and the upper and lower cooling temperatures are consistent during molding, so that the molding quality of the product is more stable.

Specifically, in this embodiment, the mold core 4 includes an upper mold core 41 and a lower mold core 43, the upper pressing block 51 is disposed closely to the upper mold core 41, and the lower pressing block 53 is disposed closely to the lower mold core 43. A wire plug is formed between the upper die core 41 and the lower die core 43, and a wire is arranged between the upper wire pressing block 51 and the lower wire pressing block 53. In the molding, the wire plug 8 is connected to the end of the wire.

According to the medical wire injection molding die provided by the embodiment of the utility model, the cooling medium channel is formed in the wire pressing block 5 for pressing the wire, so that the cooling medium is conveniently injected into the wire pressing block 5 during wire plug molding, the temperature of the wire is reduced, the temperature of the wire is further reduced, the wire skin breakage of the tail part of the wire caused by overhigh molding temperature is prevented, the injection molding qualification rate of the wire plug is high, the qualification rate of the wire slot is further improved, and the production efficiency is also greatly improved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a medical wire injection molding mould, its characterized in that, includes cope match-plate pattern, lower bolster, die carrier, mould benevolence and line ball piece, the die carrier equipment in the cope match-plate pattern with between the lower bolster, the inside installation space of having seted up of die carrier, the mould benevolence with the line ball piece all install in the installation space, the mould benevolence is used for shaping wire rod plug, the line ball piece is used for pushing down the wire rod, the mould benevolence with the line ball piece is hugged closely and is set up, set up in the line ball piece and be used for reducing in the wire rod plug shaping process the cooling medium passageway of the temperature of wire rod.

2. The medical wire injection molding die of claim 1, wherein the cooling medium channel extends through both end faces of the wire block.

3. The medical wire injection mold of claim 1, wherein the cooling medium channel is filled with cooling water.

4. The medical wire injection molding die according to claim 3, wherein both ends of the wire pressing block are detachably connected with cooling water connectors communicating with the cooling medium passage, respectively.

5. The medical wire injection mold of claim 4, wherein the cooling water connector is threadably connected to the crimping block.

6. The medical wire injection molding die of claim 5, wherein the ends of the wire pressing blocks are each threaded with internal threads.

7. The medical wire injection molding die of claim 1, wherein the width of the wire block is set to 15-20mm.

8. The medical wire injection molding die of claim 1, wherein the wire pressing block comprises an upper wire pressing block and a lower wire pressing block, the cooling medium channel is arranged in the upper wire pressing block and the lower wire pressing block, and the cooling medium channels of the upper wire pressing block and the lower wire pressing block are mutually communicated.

9. The medical wire injection mold of claim 8, wherein the mold core comprises an upper mold core and a lower mold core, the upper wire pressing block is arranged closely to the upper mold core, and the lower wire pressing block is arranged closely to the lower mold core.