CN209409171U - A kind of eyedrops water dropper production mold - Google Patents

Abstract

The utility model discloses a kind of eyedrops water droppers to make mold, is related to water dropper mould applications, including mould housing, casting chamber is offered on mould housing, through injection hole is offered on mould housing, hot mouth is plugged in injection hole, injection hole is connected to casting chamber and hot mouth；Casting bar is fixedly connected on casting cavity wall, casting needle is fixedly connected on casting bar, closeouts and crimp are removably connected on mould housing, closeouts are for blocking casting chamber, fixation hole is offered on crimp, fixation hole is matched with casting needle, and casting needle is plugged in fixation hole, and casting needle is located at the outer diameter size that the intracavitary length scale of casting is less than casting needle.So that casting bar and crimp fix the both ends of casting needle respectively, casting needle stays in the outer diameter size that the length scale in casting cavity is less than casting needle, therefore it when cast-molding material is intracavitary from hot mouth injection casting, is not easy that casting needle is enabled to deform or be broken, so that the rejection rate of eyedrops water dropper casting reduces.

Description

A kind of eyedrops water dropper production mold

Technical field

The utility model relates to water dropper mould applications, make mold more particularly, to a kind of eyedrops water dropper.

Background technique

In daily life, we are against screens such as computer, mobile phones, when often result in and feel that eyes are dry and astringent, pain, usual people Can be relieved fatigue to dripping eyedrop in eyes.

And the capacity that can be stored in the conjunctiva of people is limited, general 1 dripping eyedrop can be full of conjunctiva, and instill into eyes When 1 dripping eyedrop, the function and effect of eyedrops are best, and when people press eyedrops body, eyedrops need to be from water dropper to drip Shape outflow, the aperture at water dropper must be very small, therefore mold when casting eyedrops water dropper for aperture is very thin, thin Mold may be deformed when cast-molding material injects even to be broken, and the high rejection rate of eyedrops water dropper casting is caused.

Utility model content

In view of the above problems, the object of the present invention is to provide a kind of eyedrops water droppers to make mold, and having reduces The effect of eyedrops water dropper rejection rate.

The above-mentioned purpose of utility model of the utility model has the technical scheme that

A kind of eyedrops water dropper makes mold, including mould housing, offers casting chamber, the mould on the mould housing Through injection hole is offered on tool shell, hot mouth is plugged in the injection hole, the injection hole is connected to the casting chamber and institute State hot mouth；

It is fixedly connected with casting bar on the casting cavity wall, casting needle, the mould are fixedly connected on the casting bar Closeouts and crimp are removably connected on tool shell, and the closeouts are for blocking the casting chamber, on the crimp Fixation hole is offered, the fixation hole is matched with the casting needle, and the casting needle is plugged in the fixation hole, the casting Needle is located at the outer diameter size that the intracavitary length scale of the casting is less than the casting needle.

By using above-mentioned technical proposal, so that casting bar and crimp fix the both ends of casting needle respectively, casting needle is stayed Length scale in casting cavity is less than the outer diameter size of casting needle, therefore when cast-molding material is intracavitary from hot mouth injection casting When, it is not easy that casting needle is enabled to deform or be broken, so that the rejection rate of eyedrops water dropper casting reduces.

Further: the hollow setting of closeouts, the closeouts are plugged on the mould housing and described in being inserted into Casting is intracavitary, and the inner wall of the closeouts is bonded with the crimp, the inner wall of the outer wall of the closeouts and the casting chamber Fitting.

By using above-mentioned technical proposal, so that closeouts play position-limiting action to crimp, when closeouts are plugged on mould When having on shell, closeouts do not contact casting needle, and when crimp moves inside closeouts to mould housing, closeouts can It assists crimp to be directed at casting needle, casting needle is avoided to deform or fracture during being inserted into fixation hole.

It is further: stomata to be offered on the crimp, the fixation hole is connected to the stomata, and the stomata runs through The crimp, annular groove is offered on the crimp outer wall, and the stomata is connected to the annular groove.

By using above-mentioned technical proposal, so that casting needle is more easily inserted fixation hole, due to casting needle and fixation hole Matching, therefore the outer wall of casting needle is bonded with the inner wall of fixation hole, the gas pressure when casting needle is inserted into fixation hole, in fixation hole Contracting, since space is smaller in fixation hole, the compressible amount of gas is also smaller, so that casting needle is not easy to be inserted into, opens up stomata and ring Shape slot increases the compressible volume of gas, is inserted into fixation hole convenient for casting needle.

It is further: transition head to be fixedly connected on the casting bar, the casting needle is fixedly connected on the transition head On, the outer diameter size of the transition head is gradually reduced from one end close to the casting bar to one end close to the casting needle.

By using above-mentioned technical proposal, casting needle is more stable after being equipped with transition head, it is not easy to be broken, install simultaneously When having the eyedrops water dropper that casting goes out after transition head that eyedrops is extruded, the one section sky ascending by internal diameter is needed Chamber, eyedrops are more not easy to flow out.

Further: the transition head is removably fixedly connected on the casting bar.

Transition head can be removed, be installed with new casting after the damage of casting needle by using above-mentioned technical proposal The transition head of needle.

It is further: to be socketed with tightening hoop in the hot mouth, tensioning piece, the tensioning are fixedly connected on the tightening hoop Piece is tensioned the inner wall of the injection hole.

By using above-mentioned technical proposal, so that the grafting relationship between hot mouth and injection hole is more stable, hot mouth and note Enter hole to be not susceptible to fall off.

Further: the closeouts include the first briquetting, the second briquetting and third briquetting of hollow setting, and described first Briquetting is plugged on the mould housing, and second briquetting is plugged in first briquetting, and the third briquetting is plugged on In second briquetting, the outer wall of second briquetting is bonded the inner wall of first briquetting, the inner wall patch of second briquetting Close the outer wall of the third briquetting.

By using above-mentioned technical proposal, so that staff can haul the second briquetting and transport along the length direction of third briquetting It is dynamic, by adjusting the position of the second briquetting, the size of the eyedrops water dropper of adjustable cast molding.

Further: the length scale of first briquetting is less than the length scale of second briquetting.Second pressure Shifting block is fixedly connected on block outer wall.

By using above-mentioned technical proposal, the position of the second briquetting is adjusted convenient for staff.

In conclusion the advantageous effects of the utility model include:

(1) by enabling casting bar and crimp fix the both ends of casting needle respectively, so that casting needle stays in casting cavity Length scale be less than casting needle diameter, therefore when cast-molding material from hot mouth injection casting it is intracavitary when, be not easy to enable casting Needle deformation or fracture, so that the rejection rate of eyedrops water dropper casting reduces；

(2) by enabling closeouts play position-limiting action to crimp, when closeouts are plugged on mould housing, closeouts Casting needle is not contacted, and when crimp moves inside closeouts to mould housing, closeouts can assist crimp alignment casting Needle is moulded, casting needle is avoided to deform or fracture during being inserted into fixation hole；

(3) casting needle is made to be more easily inserted fixation hole by opening up stomata and annular groove, due to casting needle and fixation Hole matching, therefore the outer wall of casting needle is bonded with the inner wall of fixation hole, the gas pressure when casting needle is inserted into solid hole, in fixation hole Contracting, since space is smaller in fixation hole, the compressible amount of gas is also smaller, so that casting needle is not easy to be inserted into, opens up stomata and ring Shape slot increases the compressible volume of gas, is inserted into fixation hole convenient for casting needle.

Detailed description of the invention

Fig. 1 is the overall schematic of the utility model one embodiment；

Fig. 2 is that one embodiment of the utility model shows the schematic diagram of hot mouth；

Fig. 3 is the enlarged diagram of part A in Fig. 2；

Fig. 4 is that one embodiment of the utility model shows the schematic diagram of casting chamber.

Appended drawing reference: 1, mould housing；2, casting chamber；3, injection hole；4, hot mouth；5, tightening hoop；6, tensioning piece；7, casting Bar；8, transition head；9, casting needle；10, closeouts；11, crimp；12, fixation hole；13, the first briquetting；14, the second briquetting； 15, third briquetting；16, stomata；17, annular groove；18, shifting block.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

A kind of eyedrops water dropper production mold, as shown in Figure 1 and Figure 4, including mould housing 1, one end of mould housing 1 are opened Equipped with casting chamber 2, through injection hole 3 is offered on 2 inner wall of casting chamber, hot mouth 4, the casting in hot mouth 4 are plugged in injection hole 3 Material is entered in casting chamber 2 by injection hole 3.

It is fixedly connected with circular tightening hoop 5 on 4 outer surface of hot mouth, is fixedly connected with rectangular patch on tightening hoop 5 Tensioning piece 6, when hot mouth 4 is plugged into injection hole 3, tensioning piece 6 pushes against the inner wall of injection hole 3, so that hot mouth 4 and injection hole 3 Between grafting relationship it is more stable, it is not easy to fall off.

As shown in Figure 3 and Figure 4, it is fixedly connected with columned casting bar 7 on 2 inner wall of casting chamber, is plugged on casting bar 7 Transition head 8 is fixedly connected with casting needle 9 on transition head 8, and the outer diameter of transition head 8 is gradually reduced from casting bar 7 to casting needle 9, mistake Ferry 8 contacts one end of casting bar 7 and casting bar 7 waits outer diameters, and one end that transition head 8 contacts casting needle 9 is outer with casting needle 9 equal Diameter.Transition head 8 makes casting needle 9 be not easy to be broken from casting bar 7, and is equipped with the medicament for the eyes water droplet of casting out after transition head 8 When head is extruded eyedrops, the one section cavity ascending by internal diameter is needed, eyedrops is enabled to be not easy to flow out.

Since transition head 8 is plugged on casting bar 7, after casting needle 9 damages, transition head 8 can be removed, install band There is the transition head 8 of new casting needle 9, so that the yield rate of eyedrops water dropper production Mold Making water dropper is higher.

As shown in Figures 2 and 3, closeouts 10 and crimp 11 are plugged on mould housing 1, closeouts 10 are for blocking casting The opening of chamber 2 is moulded, one end that crimp 11 is inserted into casting chamber 2 offers the fixation hole 12 of circular hole, fixation hole 12 and casting needle 9 Size matching, when casting needle 9 is inserted into fixation hole 12, casting needle 9 stays in the length scale in casting chamber 2 less than casting needle 9 Outer diameter size, if injecting cast-molding material at this time, casting needle 9 be not easy under the impact of cast-molding material deform or be broken, reduce The rejection rate of eyedrops water dropper casting.

Closeouts 10 include that the first briquetting 13, the second briquetting 14 and third briquetting 15, the length scale of third briquetting 15 are small It is less than third briquetting 15 in the length scale of the second briquetting 14, the second briquetting 14.First briquetting 13 is plugged on mould housing 1, And first the outer wall of briquetting 13 abut 2 inner wall of casting chamber, the second briquetting 14 is plugged in the first briquetting 13,15 grafting of third briquetting In the second briquetting 14, crimp 11 is plugged in third briquetting 15.

First briquetting 13, the second briquetting 14 and third briquetting 15 do not contact casting needle 9 when being plugged in casting chamber 2, work as pressure When connecing block grafting and entering third briquetting 15, the inner wall of third briquetting 15 abuts the outer wall of crimp 11, therefore 15 pairs of third briquetting pressures Fitting 11 has position-limiting action, so that hole 12, which is auxiliarily fixed, is directed at casting needle 9, avoids casting needle 9 in the process of insertion fixation hole 12 Middle deformation fractures.

Through the stomata 16 for offering circular hole on crimp 11, fixation hole 12 is connected to stomata 16, outside crimp 11 Annular groove 17 is offered on wall, stomata 16 is connected to annular groove 17.Since casting needle 9 is matched with fixation hole 12, casting needle 9 Outer wall be bonded with the inner wall of fixation hole 12, when casting needle 9 is inserted into fixation hole 12, gas compression in fixation hole 12, and consolidate The space determined in hole 12 is smaller, and the shrinkability of gas is smaller, so that casting needle 9 is not easy to be inserted into, and offers stomata 16 and ring After shape slot 17, the compressible volume of gas is increased, and is inserted into fixation hole 12 convenient for casting needle 9.

Second briquetting 14 is plugged between the first briquetting 13 and third briquetting 15, and 14 outer surface of the second briquetting is fixedly connected with Circular shifting block 18, staff can utilize shifting block 18 in the case where the first briquetting 13 and third briquetting 15 remain stationary The second briquetting 14 is moved along the length direction of the second briquetting 14, after the second briquetting 14 is mobile, the eyedrops water dropper of cast molding Size also change correspondingly, therefore the same closeouts 10 can process various sizes of eyedrops water dropper.

In conclusion the first briquetting 13, the second briquetting 14 and third briquetting 15 are plugged into casting chamber 2 by staff Afterwards, crimp 11 is being inserted into casting chamber 2, in third briquetting by the position for adjusting the second briquetting 14 in the middle part of third briquetting 15 Under 15 position-limiting action, casting needle 9 is simply plugged into fixation hole 12, and the length scale that casting needle 9 is located in casting chamber 2 is small In the diameter of casting needle 9, therefore cast-molding material is injected at this time, casting needle 9 is not easy to deform or fractures, and reduces eyedrops The rejection rate of water dropper casting.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of eyedrops water dropper makes mold, including mould housing (1), it is characterised in that: opened up on the mould housing (1) Have casting chamber (2), through offering injection hole (3) on the mould housing (1), is plugged with hot mouth in the injection hole (3) (4), the injection hole (3) is connected to the casting chamber (2) and the hot mouth (4)；

It is fixedly connected with casting bar (7) on casting chamber (2) inner wall, is fixedly connected with casting needle on the casting bar (7) (9), closeouts (10) and crimp (11) are removably connected on the mould housing (1), the closeouts (10) are for sealing The casting chamber (2) is blocked up, is offered fixation hole (12) on the crimp (11), the fixation hole (12) and the casting needle (9) it matches, the casting needle (9) is plugged in the fixation hole (12), and the casting needle (9) is located in the casting chamber (2) Length scale be less than the casting needle (9) outer diameter size.

2. eyedrops water dropper according to claim 1 makes mold, it is characterised in that: the closeouts (10) are hollow to be set It sets, the closeouts (10) are plugged on the mould housing (1) and are inserted into the casting chamber (2), the closeouts (10) Inner wall be bonded with the crimp (11), the outer wall of the closeouts (10) is bonded with the inner wall of the casting chamber (2).

3. eyedrops water dropper according to claim 2 makes mold, it is characterised in that: offered on the crimp (11) Stomata (16), the stomata (16) run through the crimp (11), offer annular groove (17) on crimp (11) outer wall, The stomata (16) is connected to the annular groove (17).

4. eyedrops water dropper according to claim 1 makes mold, it is characterised in that: fixed on the casting bar (7) to connect It is connected to transition head (8), the casting needle (9) is fixedly connected on the transition head (8), the outer diameter size of the transition head (8) It is gradually reduced from one end close to the casting bar (7) to one end close to the casting needle (9).

5. eyedrops water dropper according to claim 4 makes mold, it is characterised in that: the transition head (8) is dismountable It is fixedly connected on the casting bar (7).

6. eyedrops water dropper according to claim 1 makes mold, it is characterised in that: be socketed with and open on the hot mouth (4) Tight ring (5) is fixedly connected with tensioning piece (6) on the tightening hoop (5), and the tensioning piece (6) is tensioned the interior of the injection hole (3) Wall.

7. eyedrops water dropper according to claim 1 makes mold, it is characterised in that: the closeouts (10) include hollow The first briquetting (13), the second briquetting (14) and the third briquetting (15) being arranged, first briquetting (13) are plugged on the mold On shell (1), second briquetting (14) is plugged in first briquetting (13), and the third briquetting (15) is plugged on described In second briquetting (14), the outer wall of second briquetting (14) is bonded the inner wall of first briquetting (13), second briquetting (14) inner wall is bonded the outer wall of the third briquetting (15).

8. eyedrops water dropper according to claim 7 makes mold, it is characterised in that: the length of first briquetting (13) Size is less than the length scale of second briquetting (14), is fixedly connected with shifting block (18) on the second briquetting (14) outer wall.