CN217670832U

CN217670832U - Medical plastic mould intramode separation draws material needle and runner structure

Info

Publication number: CN217670832U
Application number: CN202221090019.6U
Authority: CN
Inventors: 伍朝祥
Original assignee: Huizhou Likoda Plastic Mould Co ltd
Current assignee: Huizhou Likoda Plastic Mould Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-28
Anticipated expiration: 2032-05-07

Abstract

The utility model belongs to the technical field of medical plastic mould to a separation draws material needle and runner structure in medical plastic mould is disclosed, including the fixed plate, one side fixedly connected with cover half of fixed plate, and install the guide arm on the fixed plate, sliding connection has the movable plate on the guide arm, one side fixedly connected with movable mould of movable plate, the runner has been seted up on the movable mould, one side fixedly connected with support of cover half, the inside of support is screwed and is connected with draws the material needle, draw the material needle to run through the cover half, and draw one side of material needle to be provided with the extension board, fixedly connected with branch on the extension board, the utility model discloses under the effect of drawing the material needle, the stub bar breaks away from with the runner to the motor rotates this moment, drives the pull rod through the pull handle and rotates, under the screwing with the support, the effect, draws the material needle to be close to the roof and removes, makes toper post and cylinder break away from the stub bar, and this structure accessible draws the separation of material needle to the rotation realizes fast with the runner to shorten process time, reduce the cost of labor.

Description

Medical plastic mould intramode separation draws material needle and runner structure

Technical Field

The utility model belongs to the technical field of medical plastic mould, concretely relates to medical plastic mould intramode separation draws material needle and runner structure.

Background

The medical injection mould is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, a mould runner is a flow guide mechanism connected between an injection moulding machine and the mould, raw materials in a molten state enter the mould along the mould runner, and a material pulling needle is used for pulling out main pouring channel condensate from a main pouring channel bushing and ejecting the cold material from a cold material cavity when opening the mould.

Traditional plastic mould runner demolding back and draw the material needle to be in the same place, need the manual separation runner and draw the material needle, this can lead to the process time extension, and the cost of labor improves, and the mould is when the die sinking moreover, and the shaping product receives the influence of material and cooling factor itself, can lead to the drawing of patterns difficulty, needs the manual work to carry out the drawing of patterns, influences the production process of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a material needle and runner structure are drawn in separation in medical plastic mould to traditional mould that provides in solving above-mentioned background art needs the manual work to separate the runner and draw the problem of material needle and shaping product drawing of patterns difficulty.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a material needle and runner structure are drawn in separation in medical plastic mould, includes the fixed plate, one side fixedly connected with cover half of fixed plate, and install the guide arm on the fixed plate, sliding connection has the movable plate on the guide arm, one side fixedly connected with movable mould of movable plate, seted up the runner on the movable mould, and the runner runs through the movable plate, one side fixedly connected with support of cover half, the inside of support is closed soon and is connected with and draws the material needle, draw the material needle to run through the cover half, and draw one side of material needle to be provided with the extension board, fixedly connected with branch on the extension board, branch extends to the inside of cover half.

Preferably, one side of the fixed plate is connected with a top plate, a thimble is fixedly connected to the top plate, the thimble comprises a top rod, two needle petals are fixedly connected to one end of the top rod, openings are formed in the needle petals, and a restraining groove is formed in the fixed die and corresponds to the position of the thimble.

Preferably, the material pulling needle comprises a pull rod, one end of the pull rod is fixedly connected with a pull handle, the other end of the pull rod is fixedly connected with a conical column, one end of the conical column is provided with a cylinder, and the pull rod is provided with threads.

Preferably, a plurality of heating rods are installed inside the movable mold and the fixed mold, and a cooling channel is formed between the heating rods.

Preferably, an exhaust groove is formed between the movable die and the fixed die.

Preferably, a cooling material well is arranged on the fixed die at a position corresponding to the runner, and a positioning ring is arranged on one side of the movable plate at a position corresponding to the runner.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses under the effect of drawing the material needle, stub bar and runner break away from to the motor rotates this moment, drives the pull rod through the pull handle and rotates, under the effect of closing soon with the support, draws the material needle to be close to the roof and removes, makes toper post and cylinder break away from the stub bar, and this structure accessible draws the rotation of material needle to realize fast with the separation of runner, in order to shorten process time, reduces the cost of labor.

(2) The utility model discloses during the opening between the partial melt during injection got into the needle lamella along the restraint groove, after the cooling was accomplished, the roof drove the thimble and removes, with the ejecting die cavity of product to when the ejector pin passed the restraint groove, two needle lamellas opened, and its intraoral product breaks away from, in order to realize the complete de-molding.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the drawing needle of the present invention;

FIG. 3 is a schematic view of the structure of the thimble of the present invention;

fig. 4 is a schematic structural view of the needle flap of the present invention being opened;

fig. 5 is a partial enlarged view of a portion a in fig. 1:

FIG. 6 is an enlarged view of a portion of FIG. 1 at C;

in the figure: 1-moving plate; 2-moving a mold; 3-a guide rod; 4-fixing the plate; 5-fixing the mold; 6-support; 7-pulling a material needle; 8-a support plate; 9-a strut; 10-a top plate; 11-a thimble; 12-a confinement tank; 13-a top rod; 14-needle flap; 15-a flow channel; 16-a cold charge well; 17-a positioning ring; 18-a heating rod; 19-a cooling channel; 20-a pull rod; 21-a pull handle; 22-a conical column; 23-column; 24-exhaust groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a medical plastic mould intramode separation draws material needle and runner structure, including the fixed plate 4, one side fixedly connected with cover half 5 of fixed plate 4, and install guide arm 3 on the fixed plate 4, sliding connection has movable plate 1 on the guide arm 3, one side fixedly connected with movable mould 2 of movable plate 1, runner 15 has been seted up on the movable mould 2, and runner 15 runs through movable plate 1, one side fixedly connected with support 6 of cover half 5, the inside of support 6 is closed soon and is connected with draws material needle 7, draw material needle 7 to run through cover half 5, and one side of drawing material needle 7 is provided with extension board 8, fixedly connected with branch 9 on the extension board 8, branch 9 extends to the inside of cover half 5, the melt spouts to the die cavity along runner 15, the cooling is accomplished, during the die sinking, movable plate 1 drives movable mould 2 and keeps away from fixed plate 4 along guide arm 3 and removes, under the effect of drawing material needle 7, the stub bar breaks away from with runner 15, and the motor rotates this moment, drive pull rod 20 through pull handle 21 rotates, under the effect of closing soon with support 6, draw material needle 7 to be close to remove near roof 10, make toper post 22 and cylinder stub bar 23 breaks away from the stub bar 8 can remove thereupon.

Further, one side of the fixed plate 4 is connected with a top plate 10, a thimble 11 is fixedly connected to the top plate 10, the thimble 11 includes a top rod 13, one end of the top rod 13 is fixedly connected with two needle petals 14, openings are formed in the needle petals 14, a restraining groove 12 is formed in the fixed die 5 at a position corresponding to the thimble 11, a part of the molten material enters the openings between the needle petals 14 along the restraining groove 12, after cooling, the top plate 10 drives the top rod 11 to move to push the product out of the die cavity, and when the top rod 13 passes through the restraining groove 12, the two needle petals 14 are opened, and the product in the openings is separated, so that complete demoulding is realized.

Further, draw the material needle 7 including the pull rod 20, the one end fixedly connected with pull handle 21 of pull rod 20, other end fixedly connected with toper post 22, the one end of toper post 22 is provided with cylinder 23, and is provided with the screw thread on the pull rod 20, receives the influence of toper post 22 and cylinder 23, draws the material needle 7 can form certain traction to the stub bar of condensation, and the screw thread on the pull rod 20 is used for cooperating with the soon of support 6 in addition, and is connected it with the motor output through pull handle 21.

Further, a plurality of heating rods 18 are installed inside the movable mold 2 and the fixed mold 5, a cooling channel 19 is formed between the heating rods 18, the mold can be preheated through the heating rods 18, the molten material is prevented from being cooled and solidified when entering the mold cavity, blocking is formed, the heating rods 18 are closed after injection molding is completed, and the mold is rapidly cooled through the cooling channel 19.

Further, an exhaust groove 24 is arranged between the movable mold 2 and the fixed mold 5, and the exhaust groove 24 can exhaust air in the mold cavity when molten materials are injected, and can exhaust various gases generated in the heating process of the materials.

Furthermore, a cooling well 16 is arranged on the fixed mold 5 corresponding to the runner 15, a positioning ring 17 is arranged on one side of the movable plate 1 corresponding to the runner 15, the positioning ring 17 can ensure that the sprue of the mold is completely coincided with the nozzle of the injection molding machine, and the cooling well 16 is used for accommodating the front cooling material in the runner 15 of the pouring system so as to prevent the cold material from being injected into a mold cavity, so that the filling speed of the melting material is influenced, and the quality of a molded plastic part is also influenced.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, at first preheat the mould through heating rod 18, later under the positioning action of holding ring 17, spout the melt to the die cavity along runner 15 through the injection molding machine, the cold charge of the front of melt gets into cold charge well 16 in runner 15, in order to avoid cold charge to pour into the die cavity, and in the injection process, the air in the die cavity can be discharged along exhaust duct 24, and part melt gets into in the opening between needle lamella 14 along restraint groove 12, close through heating rod 18 after the injection finishes, cooling channel 19 cools off the mould, and at this in-process, receive the influence of toper post 22 and cylinder 23, draw inside the stub bar that draws the stub bar 7 to get into the condensation, the cooling is accomplished, during the die sinking, movable plate 1 drives movable mould 2 and keeps away from stationary plate 4 along guide arm 3 and moves, under the effect of drawing stub bar 7, the stub bar breaks away from with runner 15, and the motor rotates this moment, drive draw bar 20 to rotate through draw handle 21, under the screwing up with support 6, draw stub bar 7 to be close to the roof board 10 and remove, make toper post 22 and cylinder 23 break away from, and cylinder 23 and draw ejector pin 14 and move simultaneously, the ejector pin 14, it can pass ejector pin 14, it is realized in the ejector pin 14 in the ejector pin opening and drawing the ejector pin 14.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a material needle and runner structure are drawn in separation of medical plastic mould which characterized in that: including stator (4), one side fixedly connected with cover half (5) of stator (4), and install guide arm (3) on stator (4), sliding connection has movable plate (1) on guide arm (3), one side fixedly connected with movable mould (2) of movable plate (1), runner (15) have been seted up on movable mould (2), and runner (15) run through movable plate (1), one side fixedly connected with support (6) of cover half (5), the inside of support (6) is closed soon and is connected with and draws material needle (7), draw material needle (7) to run through cover half (5), and draw one side of material needle (7) to be provided with extension board (8), fixedly connected with branch (9) on extension board (8), branch (9) extend to the inside of cover half (5).

2. The structure for separating the pulling needle and the runner in the mold of the medical plastic mold according to claim 1, wherein: one side of fixed plate (4) is connected with roof (10), fixedly connected with thimble (11) on roof (10), thimble (11) include ejector pin (13), two needle lamellas (14) of the one end fixedly connected with of ejector pin (13), the opening has been seted up on needle lamella (14), and the position that is corresponding to thimble (11) on cover half (5) has seted up restraint groove (12).

3. The structure for separating the pulling needle and the runner in the mold of the medical plastic mold as claimed in claim 2, wherein: draw material needle (7) including pull rod (20), the one end fixedly connected with pull handle (21) of pull rod (20), other end fixedly connected with toper post (22), the one end of toper post (22) is provided with cylinder (23), just be provided with the screw thread on pull rod (20).

4. The structure for separating the pulling needle and the runner in the mold of the medical plastic mold as claimed in claim 3, wherein: a plurality of heating rods (18) are installed inside the moving die (2) and the fixed die (5), and a cooling channel (19) is formed between the heating rods (18).

5. The structure for separating the pulling needle and the runner in the mold of the medical plastic mold as claimed in claim 4, wherein: an exhaust groove (24) is arranged between the movable mold (2) and the fixed mold (5).

6. The structure for separating the pulling needle and the runner in the mold of the medical plastic mold as claimed in claim 5, wherein: and a cold material well (16) is arranged on the fixed die (5) corresponding to the position of the flow channel (15), and a positioning ring (17) is arranged on one side of the movable plate (1) corresponding to the position of the flow channel (15).