CN215396601U - Multi-cavity hot runner mold for medical breathing conduit - Google Patents

Multi-cavity hot runner mold for medical breathing conduit Download PDF

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Publication number
CN215396601U
CN215396601U CN202120913272.6U CN202120913272U CN215396601U CN 215396601 U CN215396601 U CN 215396601U CN 202120913272 U CN202120913272 U CN 202120913272U CN 215396601 U CN215396601 U CN 215396601U
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China
Prior art keywords
hot runner
cavity
fixed frame
runner mold
fixed
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CN202120913272.6U
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Chinese (zh)
Inventor
谢俊
晏楚雄
王湖南
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Ningbo Boya Precision Mould Co ltd
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Ningbo Boya Precision Mould Co ltd
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Abstract

The utility model discloses a medical breathing conduit multi-cavity hot runner mold, and particularly relates to the technical field of hot runner molds. According to the medical breathing conduit multi-cavity hot runner mold, under the condition that actual injection molding materials are the same, the same hot runner can be adopted for injection molding of a plurality of cavities, the production cost is obviously reduced, and the working efficiency is improved to a certain extent.

Description

Multi-cavity hot runner mold for medical breathing conduit
Technical Field
The utility model relates to the technical field of hot runner molds, in particular to a multi-cavity hot runner mold for a medical breathing conduit.
Background
The production of medical breathing ducts is not necessary to leave a mold, which is a solid metal body that has been built to correspond to the corresponding shape, as long as the hot-melt material is injected into the interior for cooling, wherein an injection mold is a typical representative and is generally provided with a hot runner.
The defects of the common hot runner mold are as follows: generally, an injection mold is provided with only one cavity, and is also provided with a hot runner, so that a plurality of cavities need a plurality of mold bodies, and even if the same injection molding material is used, a plurality of hot runners are needed, so that the production cost is increased, and therefore, in order to solve the defects, the utility model provides a multi-cavity hot runner mold for a medical breathing conduit.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a multi-cavity hot runner mold for a medical breathing conduit, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a medical breathing catheter multi-cavity hot runner mold comprises a fixing frame, wherein mounting bases are fixedly mounted on two sides of the lower end of the fixing frame, fixing blocks are fixedly mounted in the middle of the front end and the middle of the rear end of the fixing frame, a portal frame is fixedly mounted at the upper end of each fixing block, an adjusting mechanism is arranged on one side of the fixing frame, two lower dies are slidably mounted in the middle of an inner cavity of the fixing frame, an upper die matched with the upper die is arranged on the upper end face of each lower die, a fixing sleeve is fixedly mounted in the middle of the upper end of a horizontal part of the portal frame, a through cavity is formed in the fixing sleeve and the middle of the upper end of the horizontal part of the portal frame, a heat flow pipeline is slidably mounted in the through cavity, the lower end of the heat flow pipeline extends to the lower part of the portal frame and is fixedly provided with a movable joint, and telescopic hydraulic cylinders are fixedly mounted on the front part of the lower end of the horizontal part of the portal frame and on the rear part of the lower end of the horizontal part of the portal frame, and the lower end of the telescopic hydraulic cylinder is fixedly provided with a supporting pad.
Preferably, adjustment mechanism includes screw rod and carousel, the one end of screw rod with one side inner wall of fixed frame passes through the bearing and rotates the connection, the other end of screw rod runs through the opposite side wall of fixed frame extend to its outside and with carousel fixed connection is in the same place, the through-hole of break-over is all seted up to the left end lower part of lower mould, screw rod threaded connection is in the through-hole.
Preferably, the spacing groove has all been seted up at lateral wall middle part and the lateral wall middle part behind the inner chamber before the inner chamber of fixed frame, the equal fixedly connected with slide in lower mould front end middle part and rear end middle part, and two slides respectively sliding connection be in the same place lower mould and fixed frame sliding connection at two spacing inslots.
Preferably, lower mould upper end middle part is provided with the boss, become the die cavity down in boss upper end middle part having been seted up, go up die lower extreme middle part and set up the last die cavity that uses with the cooperation of lower die cavity, the equal fixed mounting in two four corners of lower mould has guide bar and buffer spring, and every buffer spring overlaps respectively and locates one of them guide bar surface, the spacing hole of a punch-through from top to bottom is all seted up in the four corners of going up the mould, and the position one-to-one of spacing hole and guide bar.
Preferably, go up mould upper end middle part fixedly connected with material injection pipe, material injection pipe upper end fixedly connected with connecting portion, the external screw thread is carved with to the connecting portion surface, connecting portion pass through this external screw thread and union threaded connection, the union surface still cladding has the radiation shield.
Preferably, a cooling water inlet pipe and a cooling water discharge pipe are fixedly installed at one side of the lower die.
Preferably, the middle part of the lower end of the upper die is provided with a limiting groove matched with the shape of the boss, and the upper molding cavity is provided with a top wall of the limiting groove and is positioned right above the lower molding cavity.
Preferably, when the lower die and the upper die are closed, the upper ends of the guide rods penetrate through the limiting holes and extend to the upper side of the limiting holes.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a medical breathing pipeline multi-cavity hot runner mold, wherein at least two lower molds and upper molds are arranged in a fixing frame and are driven by an adjusting structure, different molds can be connected with a movable joint at the lower end of a hot runner pipeline through a material injection pipe and a connecting part in actual work, so that the purpose that one hot runner corresponds to a plurality of molds is achieved, the same hot runner can be adopted for injection molding of a plurality of cavities under the condition that actual injection molding materials are the same, the production cost is obviously reduced, and the working efficiency is improved to a certain extent.
Drawings
FIG. 1 is a schematic view of the overall structure of a multi-cavity hot runner mold for a medical breathing conduit according to the present invention;
FIG. 2 is a schematic connection diagram of a lower die and a fixing frame of the multi-cavity hot runner mold for the medical breathing conduit according to the present invention;
FIG. 3 is a schematic connection diagram of a lower mold and an upper mold of a multi-cavity hot runner mold for a medical breathing conduit according to the present invention;
fig. 4 is a schematic structural diagram of a gantry of a medical breathing conduit multi-cavity hot runner mold according to the present invention.
In the figure: 1. a fixing frame; 2. mounting a base; 3. a fixed block; 4. a gantry; 5. an adjustment mechanism; 51. a screw; 52. a turntable; 53. a through hole; 6. a lower die; 7. an upper die; 8. a heat flow conduit; 9. fixing a sleeve; 10. a telescopic hydraulic cylinder; 11. a limiting groove; 12. a limiting hole; 13. a guide bar; 14. a buffer spring; 15. a boss; 16. a lower molding cavity; 17. a cooling water inlet pipe; 18. a cooling water discharge pipe; 19. a support pad; 20. a movable joint; 21. a slide plate; 22. a material injection pipe; 23. a connecting portion.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1-4, a medical breathing conduit multi-cavity hot runner mold comprises a fixed frame 1, wherein mounting bases 2 are fixedly arranged on both sides of the lower end of the fixed frame 1, fixed blocks 3 are fixedly arranged in the middle of the front end and the middle of the rear end of the fixed frame 1, a portal frame 4 is fixedly arranged at the upper end of the fixed blocks 3 together, an adjusting mechanism 5 is arranged on one side of the fixed frame 1, two lower dies 6 are slidably arranged in the middle of the inner cavity of the fixed frame 1, an upper die 7 matched with the upper end surface of each lower die 6 is arranged on the upper end surface of the horizontal part of the portal frame 4, a fixed sleeve 9 is fixedly arranged in the middle of the upper end of the horizontal part of the portal frame 4, a through cavity is formed between the fixed sleeve 9 and the middle of the upper end of the horizontal part of the portal frame 4, a heat flow pipeline 8 is slidably arranged in the through cavity, the lower end of the heat flow pipeline 8 extends to the lower part of the portal frame 4 and is fixedly provided with a movable joint 20, and telescopic hydraulic cylinders 10 are fixedly arranged at the front part and the rear part of the lower end of the horizontal part of the portal frame 4, and the lower ends of the telescopic hydraulic cylinders 10 are fixedly provided with supporting pads 19.
The adjusting mechanism 5 comprises a screw 51 and a turntable 52, one end of the screw 51 is rotatably connected with the inner wall of one side of the fixed frame 1 through a bearing, the other end of the screw 51 penetrates through the other side wall of the fixed frame 1 to extend to the outside of the fixed frame and is fixedly connected with the turntable 52, through holes 53 are formed in the lower part of the left end of the lower die 6, and the screw 51 is in threaded connection with the through holes 53; in addition, in the utility model, the middle part of the front side wall of the inner cavity and the middle part of the rear side wall of the inner cavity of the fixed frame 1 are both provided with a limiting groove 11, the middle part of the front end and the middle part of the rear end of the lower die 6 are both fixedly connected with sliding plates 21, and the two sliding plates 21 are respectively connected in the two limiting grooves 11 in a sliding manner to connect the lower die 6 and the fixed frame 1 together;
it can be seen that, in the present embodiment, the screw 51 can be rotated by rotating the turntable 52, and then the two lower molds 6 located in the fixed frame 1 can be moved by using the screw principle, so as to change the positions of the lower molds 6 and enable the lower molds to be used in cooperation with the heat flow pipeline 8.
A boss 15 is arranged in the middle of the upper end of the lower die 6, a lower forming cavity 16 is arranged in the middle of the upper end of the boss 15, an upper forming cavity matched with the lower forming cavity 16 for use is arranged in the middle of the lower end of the upper die 7, guide rods 13 and buffer springs 14 are fixedly mounted at two four corners of the lower die 6, each buffer spring 14 is respectively sleeved on the outer surface of one guide rod 13, limiting holes 12 penetrating up and down are arranged at four corners of the upper die 7, and the positions of the limiting holes 12 correspond to the positions of the guide rods 13 one by one; a material injection pipe 22 is fixedly connected to the middle of the upper end of the upper die 7, a connecting part 23 is fixedly connected to the upper end of the material injection pipe 22, external threads are carved on the outer surface of the connecting part 23, the connecting part 23 is in threaded connection with the movable joint 20 through the external threads, and a heat insulation sleeve is further coated on the outer surface of the movable joint 20; a cooling water inlet pipe 17 and a cooling water discharge pipe 18 are fixedly arranged on one side of the lower die 6, so that the rapid cooling of the die is realized, the rapid demoulding is carried out, and the working efficiency is improved; the upper die 7 and the lower die 6 are convenient to be matched and demoulded by arranging the limiting hole 12 and the guide rod 13;
wherein the material injection pipe 22 and the connecting portion 23 on every mould 7 of going up are all the same in size, and every mould 7 of going up promptly can all carry out threaded connection through material injection pipe 22 and connecting portion 23 and loose joint 20 of heat flow pipeline 8 lower extreme, and in addition, every loose joint 20 surface all coats the radiation shield cover to prevent that the staff from taking place the scald when being connected heat flow pipeline 8 and material injection pipe 22.
Example 2
The present embodiment is actually realized on the basis of embodiment 1, and the present embodiment is different from embodiment 1 in that: in this embodiment, adjustment mechanism 5 can select positive and negative slow-speed servo motor to drive, utilizes the lead screw principle to realize the motion of lower mould 6 equally, for embodiment 1, the optional drive structure of this embodiment is more than one to in this embodiment, different lower moulds 6 can be different with the shaping chamber in the last mould 7, and then can realize the work of moulding plastics of the medical breathing pipe of different shapes simultaneously, and its work efficiency has and shows the promotion.
The working principle of the utility model is as follows: the screw 51 can be rotated by rotating the turntable 52, and then the screw principle can be utilized to move the two lower dies 6 in the fixed frame 1, so as to change the positions of the lower dies 6, so that one of the lower dies 6 is moved to the position right below the heat flow pipeline 8, then the material injection pipe 22 and the connecting part 23 are in threaded connection with the movable joint 20 at the lower end of the heat flow pipeline 8, and two telescopic hydraulic cylinders 10 are started to press the upper die 6 and the lower die 7, the limiting hole 12 and the guide rod 13 are utilized to prevent the upper die 6 and the lower die 7 from deviating during the pressing process, so as to ensure the quality of an injection molding product, after the injection molding is completed, the connection between the material injection pipe 22 and the connecting part 23 and the heat flow pipeline 8 is disconnected, the turntable 52 is rotated again, so that the position of the lower die 6 can be adjusted, and the other idle lower die 6 and upper die 7 are moved to the position below the portal frame 4, and the steps are repeated, the injection molding can be carried out again.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a medical many types of chamber hot runner mold of breathing pipe, includes fixed frame (1), its characterized in that: the utility model discloses a gantry crane, including fixed frame (1), portal frame (4), fixed frame (1), mounting base (2) are all fixed mounting in both sides of the lower extreme of fixed frame (1), fixed block (3) are all fixed mounting in the front end middle part and the rear end middle part of fixed frame (1), and the common fixed mounting in fixed block (3) upper end has portal frame (4), one side of fixed frame (1) is provided with adjustment mechanism (5), fixed frame (1) inner chamber middle part slidable mounting has two lower moulds (6), and every lower mould (6) up end all is provided with mould (7) that use with the cooperation, portal frame (4)'s horizontal part upper end middle part fixed mounting has fixed cover (9), fixed cover (9) and portal frame (4)'s horizontal part upper end middle part have seted up a logical chamber jointly, and this leads to intracavity slidable mounting has thermal current pipeline (8), thermal current pipeline (8) lower extreme extends to portal frame (4)'s horizontal part below and fixed mounting has loose joint (20), the front part of the lower end of the horizontal part of the portal frame (4) and the rear part of the lower end are fixedly provided with telescopic hydraulic cylinders (10), and the lower ends of the telescopic hydraulic cylinders (10) are fixedly provided with supporting pads (19).
2. The multi-cavity hot runner mold for medical breathing catheters according to claim 1, wherein: adjustment mechanism (5) include screw rod (51) and carousel (52), the one end of screw rod (51) with one side inner wall of fixed frame (1) passes through the bearing and rotates the connection, the other end of screw rod (51) runs through the opposite side wall of fixed frame (1) extend to its outside and with carousel (52) fixed connection together, through-hole (53) of break-through are all seted up to the left end lower part of lower mould (6), screw rod (51) alternate in through-hole (53).
3. The multi-cavity hot runner mold for medical breathing catheters according to claim 1, wherein: spacing groove (11) have all been seted up at lateral wall middle part and the inner chamber rear side wall middle part before the inner chamber of fixed frame (1), lower mould (6) front end middle part and the equal fixedly connected with slide (21) in rear end middle part, and two slide (21) respectively sliding connection be in the same place lower mould (6) with fixed frame (1) sliding connection in two spacing groove (11).
4. The multi-cavity hot runner mold for medical breathing catheters according to claim 1, wherein: lower mould (6) upper end middle part is provided with boss (15), boss (15) upper end middle part has been seted up down and has been become die cavity (16), go up mould (7) lower extreme middle part and seted up and become the last die cavity that die cavity (16) cooperation was used down, the equal fixed mounting in two four corners of lower mould (6) has guide bar (13) and buffer spring (14), and every buffer spring (14) overlaps respectively and locates one of them guide bar (13) surface, spacing hole (12) of break-over about going up is all seted up in the four corners of going up mould (7), and the position one-to-one of position and guide bar (13) of spacing hole (12).
5. The multi-cavity hot runner mold for medical breathing catheters according to claim 1, wherein: go up mould (7) upper end middle part fixedly connected with material injection pipe (22), material injection pipe (22) upper end fixedly connected with connecting portion (23), connecting portion (23) surface is carved with the external screw thread, connecting portion (23) are through this external screw thread and union (20) threaded connection, union (20) surface still cladding has the radiation shield.
6. The multi-cavity hot runner mold for medical breathing catheters according to claim 1, wherein: and a cooling water inlet pipe (17) and a cooling water discharge pipe (18) are fixedly arranged on one side of the lower die (6).
7. The multi-cavity hot runner mold for medical breathing catheters according to claim 4, wherein: the middle part of the lower end of the upper die (7) is provided with a limiting groove matched with the shape of the boss (15), and the upper forming cavity is provided with a top wall of the limiting groove and is positioned right above the lower forming cavity (16).
8. The multi-cavity hot runner mold for medical breathing catheters according to claim 4, wherein: when the lower die (6) and the upper die (7) are closed, the upper end of the guide rod (13) penetrates through the limiting hole (12) and extends to the upper side of the limiting hole.
CN202120913272.6U 2021-04-29 2021-04-29 Multi-cavity hot runner mold for medical breathing conduit Active CN215396601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120913272.6U CN215396601U (en) 2021-04-29 2021-04-29 Multi-cavity hot runner mold for medical breathing conduit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120913272.6U CN215396601U (en) 2021-04-29 2021-04-29 Multi-cavity hot runner mold for medical breathing conduit

Publications (1)

Publication Number Publication Date
CN215396601U true CN215396601U (en) 2022-01-04

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ID=79673792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120913272.6U Active CN215396601U (en) 2021-04-29 2021-04-29 Multi-cavity hot runner mold for medical breathing conduit

Country Status (1)

Country Link
CN (1) CN215396601U (en)

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