CN219427404U

CN219427404U - Injection mold with upper and lower molds sharing same cooling pipeline

Info

Publication number: CN219427404U
Application number: CN202320852652.2U
Authority: CN
Inventors: 潘滔
Original assignee: Hefei Dongji Precision Machinery Co ltd
Current assignee: Hefei Dongji Precision Machinery Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-28
Anticipated expiration: 2033-04-17

Abstract

The utility model provides an injection mold with upper and lower molds sharing a same cooling pipeline, which comprises a first mold seat, a water outlet port, a water inlet port and a water stop nozzle, wherein a first water pipe is arranged in the first mold seat, the left end of the first water pipe is connected with the water outlet port, the water stop nozzle is arranged in the water outlet port, the right end of the first water pipe is connected with a water inlet pipe, a second mold seat is arranged right below the first mold seat, a second water pipe is arranged in the second mold seat, the left end of the second water pipe is connected with the water inlet port, the right end of the second water pipe is connected with a water outlet pipe, the water outlet port, the water inlet port and the water stop nozzle are tightly connected, the water stop nozzle in the water outlet port is jacked up, the first water pipe and the second water pipe are connected into a water path, and cooling water in the first water pipe enters the second water pipe through the water outlet port and the water inlet port, so that the first mold seat and the second mold seat share a path of cooling circulation is realized, and maintenance cost is reduced.

Description

Injection mold with upper and lower molds sharing same cooling pipeline

Technical Field

The utility model relates to an injection mold with upper and lower molds sharing the same cooling pipeline, and belongs to the technical field of injection molds.

Background

The injection mould is a tool for producing plastic products, which consists of several groups of parts, wherein a molding mould cavity is arranged in the combination, the mould is clamped on an injection moulding machine during injection moulding, molten plastic is injected into the molding mould cavity, the molten plastic is cooled and shaped in the cavity, then the upper mould and the lower mould are separated, the product is ejected out of the mould cavity through an ejection system and leaves the mould, finally the mould is closed again for the next injection moulding, and the whole injection moulding process is circularly carried out.

Chinese patent No.: CN114311526a discloses an injection mold, which comprises an upper module, a lower module, a cooling pipe and a forming plate, wherein the cooling pipe and the mold in the injection mold are detachably connected, so that the cooling pipe is convenient for subsequent cleaning and maintenance, the purpose of producing different products can be realized by only replacing different upper and lower forming plates, and the cooling pipe pipelines can be reasonably distributed for different forming plates through an elastic supporting device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an injection mold with upper and lower molds sharing the same cooling pipeline, so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an injection mold of upper and lower mould sharing same cooling tube, includes first die holder, first water pipe, water outlet, second die holder, water inlet and stagnant water mouth, first die holder is inside to be set up first water pipe, first water pipe left end is connected with water outlet, be provided with the stagnant water mouth in the water outlet, first water pipe right-hand member is connected with the inlet tube, first die holder lower surface is provided with first template, be provided with the second die holder under the first die holder, the inside second water pipe that is provided with of second die holder, second water pipe left end is connected with water inlet, second water pipe right-hand member is connected with the outlet pipe, first die holder upper surface is provided with the second template.

Further, the longitudinal section of the water stop nozzle is T-shaped, the vertical lower half part of the water stop nozzle is a nozzle, and a water passing hole is formed in the nozzle.

Further, injection molding holes are formed in the first template and the second template.

Further, the bottom is provided with first sealed pad in the water outlet port, first sealed pad is annular, first sealed pad bottom has trompil and trompil diameter to be greater than the diameter of mouth.

Further, the water passing holes are vertical rectangular holes, and two water passing holes are opposite.

Further, a second sealing gasket is arranged at the bottom of the water inlet interface, and the second sealing gasket is annular.

Further, the water outlet interface is vertically opposite to the water inlet interface, the height of the water outlet interface is the same as the height of the inner space of the water inlet interface, and the outer diameter size of the water outlet interface is smaller than the inner diameter size of the water inlet interface.

By adopting the technical scheme, the utility model has the beneficial effects that: through setting up water outlet and water inlet on first die holder and second die holder to and the stagnant water mouth that sets up in the water outlet, when first die holder and second die holder merge, the water outlet that sets up can zonulae occludens with the water inlet, and stagnant water mouth in the water outlet is jacked this moment, and first water pipe and second water pipe connection become a water route, and the cooling water in the first water pipe can get into the second water pipe through water outlet and water inlet, thereby realizes that first die holder and second die holder share a path cooling cycle, has reduced the water route maintenance cost.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of an injection mold with upper and lower molds sharing a common cooling pipe;

FIG. 2 is a schematic diagram of a first mold base and internal parts in an injection mold with upper and lower molds sharing a common cooling pipe;

FIG. 3 is a schematic diagram of a second mold base and internal parts of an injection mold with upper and lower molds sharing a common cooling channel;

FIG. 4 is a cross-sectional view of a water outlet port and a water inlet port in an injection mold with upper and lower molds sharing a common cooling pipe;

FIG. 5 is a schematic view of a water stop in an injection mold with upper and lower molds sharing a common cooling pipe;

in the figure: 1-first die holder, 11-inlet tube, 12-first water pipe, 2-first template, 3-water outlet interface, 31-first sealing gasket, 4-sealing nozzle, 41-nozzle, 42-water passing hole, 5-second die holder, 51-outlet tube, 52-second water pipe, 6-second template, 7-water inlet interface, 71-second sealing gasket and 8-injection molding hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purposes and the effects of the present utility model easy to understand, the present utility model is further described below in conjunction with the detailed description.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an injection mold of upper and lower mould sharing same cooling tube way, including first die holder 1, first water pipe 12, go out water interface 3, second die holder 5, water inlet interface 7 and stagnant water mouth 4, first die holder 1 inside sets up first water pipe 12, first water pipe 12 left end is connected with out water interface 3, be provided with stagnant water mouth 4 in the water interface 3, first water pipe 12 right-hand member is connected with inlet tube 11, first die holder 1 lower surface is provided with first template 2, be provided with second die holder 5 under first die holder 1, second die holder 5 inside is provided with second water pipe 52, second water pipe 52 left end is connected with water inlet interface 7, second water pipe 52 right-hand member is connected with outlet pipe 51, first die holder 1 upper surface is provided with second template 6, through setting up water interface 3 and water inlet interface 7 on first die holder 1 and second die holder 5, and the stagnant water mouth 4 that sets up in the water interface 3, when first die holder 1 and second die holder 5 merge, the water interface 3 that sets up can be closely connected with water inlet interface 7, water inlet pipe 3 and water inlet pipe 3 take place in the water interface 3, water inlet tube 52 is shared by water interface 3, water inlet tube 12 is cooled down with first water channel 5, thereby the water path is realized to the water inlet pipe 52, water path is cooled down by first water pipe 3, water inlet pipe 12 is connected with first water inlet pipe 3, water outlet pipe 12, the water path is cooled down by the first channel is cooled down by water pipe 5, the top joint is realized, the water in the water channel is cooled down by the first die holder 3, and has been realized.

The longitudinal section of the water stop nozzle 4 is T-shaped, the vertical lower half part of the water stop nozzle 4 is a nozzle 41, a water passing hole 42 is formed in the nozzle 41, the water stop nozzle 4 can be clamped in the water outlet connector 3 and can move freely, and meanwhile cooling water can conveniently pass through the water stop nozzle 4.

Injection holes 8 are formed in the first template 2 and the second template 6, so that molten stock solution can conveniently enter a forming space between the first template 2 and the second template 6.

The first sealing gasket 31 is arranged at the bottom in the water outlet port 3, the first sealing gasket 31 is annular, an opening is formed in the bottom of the first sealing gasket 31, the diameter of the opening is larger than that of the nozzle 41, and the water outlet port 3 can be sealed when the water stop nozzle 4 is not jacked up, so that outflow of cooling water is prevented.

The water passing holes 42 are vertical rectangular holes, and the two water passing holes 42 are opposite to each other, so that water passing is smoother after the water stop nozzle 4 is jacked up.

The bottom of the water inlet port 7 is provided with a second sealing gasket 71, and the second sealing gasket 71 is annular, so that a gap between the water outlet port 3 and the water inlet port 7 during connection is sealed, and cooling water is prevented from flowing out.

The water outlet port 3 is vertically opposite to the water inlet port 7, the height of the water outlet port 3 is the same as the height of the inner space of the water inlet port 7, and the outer diameter of the water outlet port 3 is smaller than the inner diameter of the water inlet port 7, so that the water outlet port 3 is more tightly matched with the water inlet port 7.

As an embodiment of the present utility model: in actual use, the water inlet pipe 11 is connected with an external pressurized water outlet device, the water stop nozzle 4 is subjected to downward pressure to be tightly attached to the first sealing gasket 31 due to the action of water pressure, cooling water can not flow outwards, the first die holder 1 is controlled to move downwards, the first die holder 1 drives the first die plate 2 and the water outlet port 3 to move downwards until being attached to the second die holder 5, at the moment, the first die plate 2 and the second die plate 6 are combined into an injection cavity, the water stop nozzle 4 is jacked up by the water inlet port 7, molten raw liquid is pressed into the cavity formed by the first die plate 2 and the second die plate 6 through the injection hole 8, cooling water can enter the second water pipe 52 from the first water pipe 12 through the water outlet port 3, the nozzle 41 and the water inlet port 7 in sequence, finally flows out from the water outlet pipe 51 to form a cooling cycle of a shared pipeline, when cooling is completed, the first die holder 1 and the second die holder 5 are separated, the water stop nozzle 4 is subjected to cooling water pressure again to compress the first sealing gasket 31, the cooling water is blocked again, and the next cycle operation is waited.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an injection mold of upper and lower mould sharing same cooling pipeline, includes first die holder (1), first water pipe (12), play water interface (3), second die holder (5), water inlet interface (7) and sealing mouth (4), its characterized in that: the novel water-saving device is characterized in that a first water pipe (12) is arranged inside the first die holder (1), the left end of the first water pipe (12) is connected with a water outlet port (3), a water stop nozzle (4) is arranged in the water outlet port (3), the right end of the first water pipe (12) is connected with a water inlet pipe (11), a first die plate (2) is arranged on the lower surface of the first die holder (1), a second die holder (5) is arranged right below the first die holder (1), a second water pipe (52) is arranged inside the second die holder (5), the left end of the second water pipe (52) is connected with a water inlet port (7), the right end of the second water pipe (52) is connected with a water outlet pipe (51), and a second die plate (6) is arranged on the upper surface of the first die holder (1).

2. An injection mold for an upper mold and a lower mold sharing a same cooling duct as defined in claim 1, wherein: the longitudinal section of the water stop nozzle (4) is T-shaped, the vertical lower half part of the water stop nozzle (4) is a nozzle (41), and a water passing hole (42) is formed in the nozzle (41).

3. An injection mold for an upper mold and a lower mold sharing a same cooling duct as defined in claim 1, wherein: injection molding holes (8) are formed in the first template (2) and the second template (6).

4. An injection mold for an upper mold and a lower mold sharing a same cooling duct as defined in claim 1, wherein: the inner bottom of the water outlet port (3) is provided with a first sealing gasket (31), the first sealing gasket (31) is annular, and the bottom of the first sealing gasket (31) is provided with an opening with the diameter larger than that of the nozzle (41).

5. An injection mold for an upper mold and a lower mold sharing a same cooling pipe as defined in claim 2, wherein: the water passing holes (42) are vertical rectangular open holes, and the number of the water passing holes (42) is two and are opposite.

6. An injection mold for an upper mold and a lower mold sharing a same cooling duct as defined in claim 1, wherein: the bottom of the water inlet interface (7) is provided with a second sealing gasket (71), and the second sealing gasket (71) is annular.

7. An injection mold for an upper mold and a lower mold sharing a same cooling duct as defined in claim 1, wherein: the water outlet interface (3) is vertically opposite to the water inlet interface (7), the height of the water outlet interface (3) is the same as the height of the inner space of the water inlet interface (7), and the outer diameter size of the water outlet interface (3) is smaller than the inner diameter size of the water inlet interface (7).