CN219214064U

CN219214064U - Two-needle water cooling structure of blow molding die

Info

Publication number: CN219214064U
Application number: CN202223358306.3U
Authority: CN
Inventors: 史庆旺; 高永强; 李华峰; 陈永占
Original assignee: Hebei Shichang Auto Parts Co Ltd
Current assignee: Hebei Shichang Auto Parts Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-20
Anticipated expiration: 2032-12-13

Abstract

The application discloses two needle water-cooling structures of blowing mould, including blowing needle bar, blowing the syringe needle and gas circulation muffler, it is fixed with and blows the syringe needle to blow needle bar one end, it is fixed with the gas circulation muffler to blow the one end that the syringe needle was kept away from to blow the needle bar. Through water-cooling water inlet, the water-cooling delivery port, blow needle overcoat and cooling water baffle cooperation for cold water flows to blowing needle head end from water-cooling water inlet back, and rethread blows needle overcoat opposite side to gas circulation return air pipe end, and discharge through the water-cooling delivery port, can cool off blowing needle pole and blowing the syringe needle through cold water structure, cause the adhesion when avoiding blowing the syringe needle prick the hole, and conveniently take out the filter screen and clear up, avoid causing the inside jam of filter tube, thereby avoid the water-cooling structure to block up, avoid cold water when flowing through the filter tube, adapter sleeve and filter tube's junction emergence infiltration, and can not influence filter tube and adapter sleeve's normal split, guarantee the leakproofness of water-cooling structure.

Description

Two-needle water cooling structure of blow molding die

Technical Field

The application relates to a water cooling structure, in particular to a two-pin water cooling structure of a blow molding die.

Background

The blow molding die is a hollow product with a short neck by putting a tubular thermoplastic plastic blank in a softened state, which is extruded from an extruder, into a forming die, then introducing compressed air, and deforming the blank along a die cavity by using the pressure of the air.

However, when the two-needle blowing needle head of the die is overheated, the tip of the blowing needle head is easy to stick materials in production, the box body cannot be penetrated, and the molding is difficult, so that the blowing needle head is cleaned by stopping the machine for many times in production. Therefore, a two-pin water cooling structure of a blow mold is proposed to solve the above problems.

Disclosure of Invention

In this embodiment, a two-needle water cooling structure of a blow molding mold is provided to solve the problem that the blow needle head of the two-needle blow molding mold in the prior art is overheated and the adhesive cannot be molded.

According to one aspect of the application, the two-needle water-cooling structure of the blow molding die comprises a blow needle rod, a blow needle head, a sealing structure, a connecting sleeve and an air circulation air return pipe, wherein the blow needle head is fixed at one end of the blow needle rod, and the air circulation air return pipe is fixed at one end of the blow needle rod away from the blow needle head; a needle-blowing sleeve is sleeved on the needle-blowing rod between the needle-blowing head and the air circulation air return pipe, a first sealing plate and a second sealing plate are fixedly sleeved inside the two ends of the needle-blowing sleeve respectively, the first sealing plate is internally fixed on the needle-blowing rod near the air circulation air return pipe end, the inner ring of the second sealing plate is fixed on the needle-blowing rod near the needle-blowing head end, the cooling water baffle plates are symmetrically fixed between the inner wall of the blowing needle jacket and the outer surface of the blowing needle rod, a water cooling water inlet is fixed on one side of the blowing needle jacket close to the first sealing plate end, a filtering structure is arranged at one end of the water cooling water inlet away from the blowing needle jacket, and a water cooling water outlet is fixed on the other side of the blowing needle jacket close to the first sealing plate end.

Further, the filter structure comprises a connecting sleeve, a filter pipe, a sealing rubber pad, a limiting gasket and a filter screen, wherein the connecting sleeve is fixed at one end of the water-cooling water inlet, which is far away from the blowing needle sleeve, and the filter pipe is sleeved with threads inside the connecting sleeve, the sealing rubber pad is fixed inside the connecting sleeve on the side of the filter pipe in an adhesive manner, the limiting gasket is fixed inside the filter pipe, and the filter screen is sleeved inside the filter pipe, which is close to the water-cooling water inlet side, of the limiting gasket.

Further, seal structure includes sealed curb plate, sealed slot and sealed picture peg, be fixed with sealed curb plate on the filter tube of adapter sleeve side, and sealed slot has been seted up to the inside that sealed curb plate is close to the adapter sleeve side, one side that adapter sleeve is close to sealed curb plate is fixed with sealed picture peg, and sealed picture peg inserts and establish inside sealed slot.

Further, the length from the water cooling water inlet and the water cooling water outlet to the adjacent side end of the blowing needle sleeve is larger than the length of the first sealing plate, the water cooling water inlet and the water cooling water outlet are respectively positioned at two sides of the two cooling water baffles, and the water cooling water inlet and the water cooling water outlet are all in through connection with the inside of the blowing needle sleeve.

Further, the length of the blowing needle jacket is equal to the length between the outer ends of the first sealing plate and the second sealing plate, and the diameters of the outer ends of the first sealing plate and the second sealing plate are equal to the diameter of the inner ring of the blowing needle jacket.

Further, one ends of the two cooling water baffles, which are close to the air circulation air return pipe, are fixed on the first sealing plate, and the lengths of the two cooling water baffles are smaller than the length between the first sealing plate and the second sealing plate.

Further, through holes matched with the water cooling water inlets are formed in the connecting sleeve, threads matched with each other are formed in the inner wall of the connecting sleeve and the outer ring diameter of the filter tube, which is close to the end of the connecting sleeve, of the filter tube, the inner ring diameter of the limiting gasket is equal to the inner ring diameter of the filter screen, and the outer ring diameter of the filter screen is larger than the inner ring diameters of the sealing rubber pad and the through holes.

Further, the limit gasket is arranged to be annular matched with the filter screen, and the length between the limit gasket and the side edge of the sealing rubber cushion is equal to the length of the filter screen.

Further, the sealing side plate is arranged to be in an annular shape matched with the connecting sleeve, and the outer ring diameter of the sealing side plate is equal to that of the connecting sleeve.

Further, the sealing slot and the sealing plugboard are arranged in a mutually matched ring shape, and another sealing rubber pad is glued and fixed inside the sealing slot at the side edge of the sealing plugboard.

Through this application above-mentioned embodiment, adopted circulating water cooling structure, to blow the syringe needle and cool down, the cooling water takes away and blows needle bar heat to blow syringe needle cooling down, blow the syringe needle and have no bonding material phenomenon after the cooling, solved the current blow mould two needles blow the syringe needle overheated, the unable fashioned problem of bonding material, prevent to blow the syringe needle overheated, the unable shaping of bonding material, also avoided the problem of need shutting down the clearance syringe needle during production.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional elevation view of a portion of a housing according to one embodiment of the present application;

FIG. 3 is a schematic side view in cross-section of a partial structure according to one embodiment of the present application;

fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to an embodiment of the present application.

In the figure: 1. a needle blowing rod; 2. blowing a needle; 3. an air circulation return pipe; 4. a water cooling water inlet; 5. a water-cooling water outlet; 6. blowing a needle jacket; 7. a cooling water baffle; 8. a first sealing plate; 9. a second sealing plate; 10. a connection sleeve; 11. a filter tube; 12. sealing rubber cushion; 13. a limiting gasket; 14. a filter screen; 15. sealing the side plates; 16. sealing the slot; 17. and sealing the plugboard.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-4, a two-needle water cooling structure of a blow molding die comprises a blow needle bar 1, a blow needle head 2, a sealing structure, a connecting sleeve 10 and an air circulation air return pipe 3, wherein the blow needle head 2 is fixed at one end of the blow needle bar 1, and the air circulation air return pipe 3 is fixed at one end of the blow needle bar 1 far away from the blow needle head 2; a needle blowing sleeve 6 is sleeved on the needle blowing rod 1 between the needle blowing head 2 and the air circulation air return pipe 3, a first sealing plate 8 and a second sealing plate 9 are fixedly sleeved inside two ends of the needle blowing sleeve 6 respectively, the first sealing plate 8 is internally fixed on the needle blowing rod 1 close to the air circulation air return pipe 3, the inner ring of the second sealing plate 9 is fixed on the needle blowing rod 1 close to the needle blowing head 2, a cooling water baffle 7 is symmetrically fixed between the inner wall of the needle blowing sleeve 6 and the outer surface of the needle blowing rod 1, a water cooling water inlet 4 is fixed on one side of the needle blowing sleeve 6 close to the first sealing plate 8, a filtering structure is arranged at one end of the water cooling water inlet 4 far from the needle blowing sleeve 6, a water cooling water outlet 5 is fixed on the other side of the needle blowing sleeve 6 close to the first sealing plate 8, cold water enters the needle blowing sleeve 6 from the water cooling water inlet 4, flows to the second sealing plate 9 through the blocking guide directions of the two cooling water baffles 7, flows into the needle blowing sleeve 6 on the other side of the cooling water baffle 7 at the notch of the second sealing plate 9, and is discharged through the water cooling water outlet 5 on the other side, and thus the needle blowing head 1 and the needle blowing head 2 can be cooled;

the filter structure comprises a connecting sleeve 10, a filter pipe 11, a sealing rubber cushion 12, a limiting gasket 13 and a filter screen 14, wherein one end of the water-cooling water inlet 4, which is far away from the blowing needle sleeve 6, is fixedly provided with the connecting sleeve 10, the inside of the connecting sleeve 10 is in threaded sleeve joint with the filter pipe 11, the sealing rubber cushion 12 is fixedly glued inside the connecting sleeve 10 on the side of the filter pipe 11, the limiting gasket 13 is fixedly arranged inside the filter pipe 11, the inside of the filter pipe 11, which is close to the water-cooling water inlet 4 side, is sleeved with the filter screen 14, cold water entering the inside of the blowing needle sleeve 6 is filtered, and the blockage of a water circulation channel inside the blowing needle sleeve 6 caused by sundries carried by the cold water is avoided; the sealing structure comprises a sealing side plate 15, a sealing slot 16 and a sealing insertion plate 17, wherein the sealing side plate 15 is fixed on the filter tube 11 at the side edge of the connecting sleeve 10, the sealing slot 16 is formed in the inner part of the side, close to the connecting sleeve 10, of the sealing side plate 15, the sealing insertion plate 17 is fixed on the side, close to the sealing side plate 15, of the connecting sleeve 10, the sealing insertion plate 17 is inserted into the sealing slot 16, and the sealing performance of the joint of the filter tube 11 and the connecting sleeve 10 is ensured through the sealing structure, so that cold water is prevented from seeping out during draining;

the length from the water cooling water inlet 4 and the water cooling water outlet 5 to the adjacent side end of the blowing needle sleeve 6 is larger than the length of the first sealing plate 8, the water cooling water inlet 4 and the water cooling water outlet 5 are respectively positioned at two sides of the two cooling water baffles 7, the water cooling water inlet 4 and the water cooling water outlet 5 are in through connection with the inside of the blowing needle sleeve 6, so that cold water can enter the inside of the blowing needle sleeve 6 through the water cooling water inlet 4, flow to the end of the blowing needle 2 under the guidance of the cooling water baffles 7, then flow to the other side of the blowing needle sleeve 6 through a notch between the second sealing plate 9 and the cooling water baffles 7, and then are discharged through the water cooling water outlet 5, and the inside of the blowing needle sleeve 6 is ensured to form cold water circulation; the length of the blowing needle jacket 6 is equal to the length between the outer ends of the first sealing plate 8 and the second sealing plate 9, and the diameters of the outer ends of the first sealing plate 8 and the second sealing plate 9 are equal to the diameter of the inner ring of the blowing needle jacket 6, so that the tightness of the inside of the blowing needle jacket 6 is ensured; one end of each cooling water baffle 7 close to the air circulation muffler 3 is fixed on the first sealing plate 8, the lengths of the two cooling water baffles 7 are smaller than the length between the first sealing plate 8 and the second sealing plate 9, cold water is prevented from directly being discharged from the water-cooling water outlet 5 after entering the needle-blowing jacket 6, and the cold water can flow into the needle-blowing jacket 6 at the side of the water-cooling water outlet 5 after flowing to the end of the needle-blowing head 2; the through holes matched with the water-cooling water inlet 4 are formed in the connecting sleeve 10, so that the water-cooling water inlet 4, the connecting sleeve 10 and the filter tube 11 are in through connection, the diameters of the inner wall of the connecting sleeve 10 and the outer ring of the filter tube 11, which are close to the end of the connecting sleeve 10, are provided with mutually matched threads, the diameter of the inner ring of the limiting gasket 13 is equal to the diameter of the inner ring of the filter screen 14, the filter tube 11 and the connecting sleeve 10 are convenient to fix, the limiting gasket 13 can limit the filter screen 14, the diameter of the outer ring of the filter screen 14 is larger than the diameters of the sealing rubber cushion 12 and the inner ring of the through holes, and the filter screen 14 is convenient to be abutted on the sealing rubber cushion 12 and the connecting sleeve 10; the limiting gasket 13 is arranged in an annular shape matched with the filter screen 14, the length between the limiting gasket 13 and the side edge of the sealing rubber gasket 12 is equal to the length of the filter screen 14, the limiting gasket 13 is prevented from influencing the cold water flow in the filter pipe 11, and the filter screen 14 can be stably placed in the filter pipe 11 under the limit of the connecting sleeve 10 and the limiting gasket 13; the sealing side plate 15 is arranged in an annular shape matched with the connecting sleeve 10, the diameter of the outer ring of the sealing side plate 15 is equal to that of the outer ring of the connecting sleeve 10, and the tightness of the connection of the filter pipe 11 and the connecting sleeve 10 is improved; the sealing slot 16 and the sealing plugboard 17 are all arranged in mutually matched annular shapes, and the sealing gasket 12 is glued and fixed in the sealing slot 16 at the side edge of the sealing plugboard 17, so that the sealing plugboard 17 is conveniently inserted into the sealing slot 16.

This application is when using, when needs use blow needle bar 1, through the external cold water source of filter tube 11, the waste water tank is connected to rethread water-cooling delivery port 5, when needs prick the case body, add inside adapter sleeve 10 with cold water through filter tube 11, cold water can filter through filter screen 14 when passing through filter tube 11, cold water after the filtration gets into through water-cooling water inlet 4 and blows inside one side of needle overcoat 6, under the direction of cooling water baffle 7, cold water flows to blow needle head 2 end, can cool down blow needle bar 1 and blow needle head 2, the breach guide between cooling water baffle 7 and second closing plate 9 of cooling back cold water is down, the opposite side of blowing needle overcoat 6 inside, and discharge under the water conservancy diversion effect of opposite side water-cooling delivery port 5, can drive the inside heat of blowing needle bar 1, when the debris under the filtration of needs clearance filter tube 11 inside, make adapter sleeve 10 remove the fixed of filter screen 14 this moment, can directly take out 14, the convenience is clear up 14 inside the debris of filter tube 11, insert filter screen 11 and seal up the filter tube 11, seal the filter tube is sealed up on the filter tube 11 simultaneously, seal up the filter tube is sealed up to the filter tube 11 is connected in the sealing groove 11, seal the inside is cut off, the filter tube is sealed up on the filter tube 11 is sealed up on the plug 11 simultaneously.

The beneficial point of the application lies in:

1. the operation of the device is simple, the water cooling water inlet 4, the water cooling water outlet 5, the needle blowing sleeve 6 and the cooling water baffle 7 are matched, so that after cold water enters from the water cooling water inlet 4, the cold water flows from one side of the needle blowing sleeve 6 to the end of the needle blowing head 2, flows from the other side of the needle blowing sleeve 6 to the end of the air circulation muffler 3 and is discharged through the water cooling water outlet 5, the needle blowing rod 1 and the needle blowing head 2 can be cooled through a cold water structure, and adhesion caused when the needle blowing head 2 is pricked is avoided;

2. the utility model has the advantages of reasonable structure, the filter screen 14 filters the cold water entering the inside of the connecting sleeve 10, avoids sundries entering the inside of the blowing needle sleeve 6 to cause the inside blockage of the blowing needle sleeve 6, and conveniently collects the filtered impurities through the filter screen 14, and conveniently takes out the filter screen 14 to clean, thereby avoiding the inside blockage of the filter tube 11 and avoiding the blockage of the water cooling structure;

3. this application is rational in infrastructure, through sealed curb plate 15, sealed slot 16 and sealed picture peg 17 cooperation, guarantees the leakproofness of being connected between filter tube 11 and the adapter sleeve 10 to avoid cold water to take place to ooze water at the junction of filter tube 11 when flowing through filter tube 11, and can not influence the normal split of filter tube 11 and adapter sleeve 10, guarantee the leakproofness of water-cooling structure.

The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. Two needle water-cooling structure of blowing mould, its characterized in that: the novel air circulation device comprises an air blowing needle rod (1), an air blowing needle head (2), a sealing structure, a connecting sleeve (10) and an air circulation air return pipe (3), wherein the air blowing needle head (2) is fixed at one end of the air blowing needle rod (1), and the air circulation air return pipe (3) is fixed at one end, far away from the air blowing needle head (2), of the air blowing needle rod (1); the novel air conditioner is characterized in that a needle blowing sleeve (6) is sleeved on the needle blowing rod (1) between the needle blowing head (2) and the air circulation air return pipe (3), a first sealing plate (8) and a second sealing plate (9) are fixedly sleeved inside the two ends of the needle blowing sleeve (6), the first sealing plate (8) is internally fixed on the needle blowing rod (1) close to the air circulation air return pipe (3), an inner ring of the second sealing plate (9) is fixed on the needle blowing rod (1) close to the end of the needle blowing head (2), cooling water baffles (7) are symmetrically fixed between the inner wall of the needle blowing sleeve (6) and the outer surface of the needle blowing rod (1), a water cooling water inlet (4) is fixedly arranged on one side, close to the end of the first sealing plate (8), of the water cooling water inlet (4) is far away from the needle blowing sleeve (6), and a water cooling water outlet (5) is fixedly arranged on the other side, close to the end of the first sealing plate (8), of the needle blowing sleeve (6).

2. The two-pin water cooling structure of a blow mold according to claim 1, wherein: the utility model discloses a filter structure, including adapter sleeve (10), filter tube (11), sealed cushion (12), spacing gasket (13) and filter screen (14), the one end that blows needle overcoat (6) was kept away from to water-cooling water inlet (4) is fixed with adapter sleeve (10), and adapter sleeve (10) inside screw thread has cup jointed filter tube (11), the inside sticky sealed cushion (12) that is fixed with of adapter sleeve (10) of filter tube (11) side, filter tube (11) inside is fixed with spacing gasket (13), and filter tube (11) inside that spacing gasket (13) are close to water-cooling water inlet (4) side has cup jointed filter screen (14).

3. The two-pin water cooling structure of a blow mold according to claim 1, wherein: the sealing structure comprises a sealing side plate (15), a sealing slot (16) and a sealing inserting plate (17), wherein the sealing side plate (15) is fixed on a filter tube (11) on the side edge of the connecting sleeve (10), the sealing slot (16) is formed in the side, close to the connecting sleeve (10), of the sealing side plate (15), the sealing inserting plate (17) is fixed on the side, close to the sealing side plate (15), of the connecting sleeve (10), and the sealing inserting plate (17) is inserted into the sealing slot (16).

4. The two-pin water cooling structure of a blow mold according to claim 1, wherein: the length between the water cooling water inlet (4) and the water cooling water outlet (5) and the adjacent side end of the blowing needle jacket (6) is larger than the length of the first sealing plate (8), the water cooling water inlet (4) and the water cooling water outlet (5) are respectively positioned at two sides of the two cooling water baffles (7), and the water cooling water inlet (4) and the water cooling water outlet (5) are in through connection with the inside of the blowing needle jacket (6).

5. The two-pin water cooling structure of a blow mold according to claim 1, wherein: the length of the blowing needle jacket (6) is equal to the length between the outer ends of the first sealing plate (8) and the second sealing plate (9), and the diameters of the outer ends of the first sealing plate (8) and the second sealing plate (9) are equal to the diameter of the inner ring of the blowing needle jacket (6).

6. The two-pin water cooling structure of a blow mold according to claim 1, wherein: one ends of the two cooling water baffles (7) close to the air circulation air return pipe (3) are fixed on the first sealing plate (8), and the lengths of the two cooling water baffles (7) are smaller than the length between the first sealing plate (8) and the second sealing plate (9).

7. The two-pin water cooling structure of a blow mold according to claim 2, wherein: the inside through-hole with water-cooling water inlet (4) complex of having seted up of adapter sleeve (10), adapter sleeve (10) inner wall and filter tube (11) are close to the outer lane diameter of adapter sleeve (10) end and are provided with the screw thread of mutually supporting, the inner circle diameter of spacing gasket (13) equals the inner circle diameter of filter screen (14), the outer lane diameter of filter screen (14) is greater than the inner circle diameter of sealed cushion (12) and through-hole.

8. The two-pin water cooling structure of a blow mold according to claim 2, wherein: the limiting gasket (13) is arranged in an annular shape matched with the filter screen (14), and the length between the limiting gasket (13) and the side edge of the sealing rubber pad (12) is equal to the length of the filter screen (14).

9. A two-pin water cooling structure for a blow mold according to claim 3, wherein: the sealing side plate (15) is arranged in an annular shape matched with the connecting sleeve (10), and the outer ring diameter of the sealing side plate (15) is equal to the outer ring diameter of the connecting sleeve (10).

10. A two-pin water cooling structure for a blow mold according to claim 3, wherein: the sealing slot (16) and the sealing plugboard (17) are arranged in a mutually matched ring shape, and the sealing gasket (12) is glued and fixed in the sealing slot (16) at the side edge of the sealing plugboard (17).