CN216609963U - Film bubble internal cooling and external cooling system for film production - Google Patents
Film bubble internal cooling and external cooling system for film production Download PDFInfo
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- CN216609963U CN216609963U CN202123187206.4U CN202123187206U CN216609963U CN 216609963 U CN216609963 U CN 216609963U CN 202123187206 U CN202123187206 U CN 202123187206U CN 216609963 U CN216609963 U CN 216609963U
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Abstract
The utility model discloses a film bubble internal cooling and external cooling system for film production, which comprises a die body and an air pipe penetrating through the die body along the length direction of a film bubble, wherein the air pipe is arranged at the inner ring of the film bubble, the air inlet end of the air pipe is positioned at the inner ring of the film bubble, the air outlet end of the air pipe is positioned at the outer side of the film bubble, an internal cooling component is arranged on the die body corresponding to the inner side of the film bubble, the internal cooling component is cooled and radiates heat towards the inner ring of the film bubble, an external cooling component is arranged on the die body and positioned at the outer side of the film bubble, and the external cooling component is cooled and radiates heat towards the outer side surface of the film bubble. The inner and outer sides of the film bubble are uniformly cooled through the inner cooling assembly and the outer cooling assembly, the diameter of the film bubble is ensured to be uniform, and heat in the inner cavity of the film bubble can be discharged through air circulation of the inner cooling assembly and the air pipe.
Description
Technical Field
The utility model belongs to the field of film production, and particularly relates to a film bubble internal cooling and external cooling system for film production.
Background
With the rapid development of plastic industry in recent years, the market demand for plastic film products is increasing, the quality requirement of the plastic film products is higher and higher, the demand types of the plastic products are continuously updated, and accordingly new requirements are provided for the design and manufacture of film manufacturing machinery.
The multilayer co-extrusion film machine mainly comprises a plasticizing extruder, a multilayer composite die head, a cooling system, a traction and winding mechanism, a control system and the like, and the technical innovation design of the links promotes the rapid development of the multilayer co-extrusion technology in recent years. Wherein, the quality of cooling has great influence on the film yield and the product quality.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a film bubble internal cooling and external cooling system for film production, which can uniformly cool the inner side and the outer side of a film bubble and ensure the uniform diameter of the film bubble.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a film production's interior cold and outer cold system of membrane bubble, includes the mould body and wears to establish the tuber pipe on the mould body along the length direction of membrane bubble, the tuber pipe sets up the inner circle at the membrane bubble, just the air inlet end of tuber pipe is located the inner circle of membrane bubble, the air-out end of tuber pipe is located the outside of membrane bubble, the inboard that is corresponding to the membrane bubble on the mould body is provided with interior cold subassembly, interior cold subassembly is towards the air-cooled heat dissipation of the inner circle of membrane bubble, the outside that is located the membrane bubble on the mould body is provided with outer cold subassembly, outer cold subassembly is towards the lateral surface air-cooled heat dissipation in the membrane bubble.
Furthermore, the die body is provided with an installation channel along the length direction of the film bubble in a through mode, the air pipes are arranged in the installation channel in a penetrating mode at intervals, an inner cooling air inlet channel is formed between the air pipes and the installation channel, and the inner cooling assembly is arranged corresponding to an air outlet of the inner cooling air inlet channel.
Furthermore, the inner cooling assembly comprises an inner cooling flow guide top plate positioned at the air outlet end of the inner cooling air inlet channel, the inner cooling flow guide top plate is sleeved outside the air pipe, the distance between the inner cooling flow guide top plate and the upper surface of the die body is arranged, and the inner cooling flow guide top plate and the upper surface of the die form an annular inner cooling air outlet; and the air flow at the air outlet end of the inner cooling air inlet channel is diffused towards the circumferential direction through the inner cooling air outlet.
Furthermore, a plurality of groups of inner-cooling diversion intermediate plates are arranged between the inner-cooling diversion top plate and the air outlet of the inner-cooling air inlet channel along the length direction of the air pipe, diversion air cavities are formed between the inner-cooling diversion intermediate plates and the inner-cooling diversion top plate, and a plurality of middle diversion holes communicated with the adjacent diversion air cavities are formed in the plate body of the inner-cooling diversion intermediate plate in a penetrating manner.
Further, outer cold subassembly is including the outer cold water conservancy diversion ring of cover establishing in the membrane bubble outer lane, outer cold water conservancy diversion ring is for the shell structure who contains interior cavity, outer cold air outlet has been seted up to one side that outer cold water conservancy diversion ring corresponds to the membrane bubble.
Furthermore, a fixing ring is coaxially arranged in the inner ring of the outer cooling guide ring, an outer cooling adjusting ring is arranged on the fixing ring in an adjustable mode along the axial direction, and the outer cooling air outlet passes through the outer cooling adjusting ring to adjust the size of the air outlet.
Has the advantages that: according to the utility model, the inner and outer sides of the film bubble are uniformly cooled through the inner cooling assembly and the outer cooling assembly, so that the diameter of the film bubble is uniform, and the heat in the inner cavity of the film bubble can be discharged through the air flow circulation of the inner cooling assembly and the air pipe.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
fig. 2 is an enlarged view of a portion of the structure of fig. 1 according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in attached figures 1 and 2, the film bubble internal cooling and external cooling system for film production comprises a die body 1 and an air pipe 4 arranged on the die body 1 in a penetrating manner along the length direction of a film bubble 10, wherein the upper end and the lower end of the air pipe 4 are respectively an air inlet end and an air outlet end, the air pipe 4 is arranged at an inner ring of the film bubble, the air inlet end of the air pipe 4 is located at the inner ring of the film bubble, the air outlet end of the air pipe 4 is located at the outer side of the film bubble, and the air pipe 4 is used for discharging heat on the inner side of the film bubble. The mould comprises a mould body 1 and is characterized in that an inner cooling assembly 2 is arranged on the inner side of the mould body 1 corresponding to a film bubble 10, the inner cooling assembly 2 is uniformly cooled and radiated towards an inner ring of the film bubble 10, an outer cooling assembly 3 is arranged on the outer side of the mould body 1 located at the film bubble 10, and the outer cooling assembly 3 is uniformly cooled and radiated towards the outer side surface of the film bubble. Carry out even cooling to the inside and outside both sides of membrane bubble through interior cold subassembly and outer cold subassembly, guarantee that the membrane bubble diameter is even, through the air current circulation of interior cold subassembly and tuber pipe, can discharge the heat in the membrane bubble inner chamber.
The die body 1 is provided with an installation channel 5 along the length direction of the film bubble in a penetrating manner, the air pipe 4 is arranged in the installation channel 5 at an interval in a penetrating manner, an inner-cooling air inlet channel 6 is formed between the air pipe 4 and the installation channel 5, the bottom end of the inner-cooling air inlet channel 6 is an air inlet end and used for communicating a fan device to feed air, the top end of the inner-cooling air inlet channel 6 is an air outlet end and used for supplying air to the inner side of the film bubble, and the inner-cooling component 2 is arranged corresponding to an air outlet of the inner-cooling air inlet channel 6.
The inner cooling assembly 2 comprises an inner cooling diversion top plate 20 positioned at the air outlet end of an inner cooling air inlet channel 6, the inner cooling diversion top plate 20 is arranged at an interval from the inner cooling air inlet channel 6 and used for forming an air outlet channel, the inner cooling diversion top plate 20 is sleeved on the outer side of the air pipe 4, the interval between the inner cooling diversion top plates 20 is arranged on the upper surface of the die body 1, and the inner cooling diversion top plate 20 and the upper surface of the die form an annular inner cooling air outlet 21; the air flow at the air outlet end of the inner cooling air inlet channel is diffused towards the circumferential direction through the inner cooling air outlet 21, so that air cooling heat dissipation is carried out on the inner ring of the film bubble 10, the air flow entering the inner side of the film bubble 10 is subjected to heat exchange with the film bubble, then enters the air pipe 4 from the top end of the air pipe 4, and is discharged to the outside from the air outlet end of the air pipe, and the air flow exchange can be completed inside the film bubble.
A plurality of groups of inner-cooling diversion intermediate plates 23 are arranged between the inner-cooling diversion top plate 20 and the air outlet of the inner-cooling air inlet channel 6 along the length direction of the air pipe at intervals, diversion air cavities are formed between the inner-cooling diversion intermediate plates and the inner-cooling diversion top plate, and a plurality of middle diversion holes 22 communicated with adjacent diversion air cavities are formed in the plate body of the inner-cooling diversion intermediate plate 23 in a penetrating way. The number and the arrangement positions of the inner cooling air outlets 21 in the axial direction can be increased through the inner cooling diversion top plate 23 in the tow rod, so that air cooling heat dissipation is performed on the film bubble more uniformly.
Outer cold subassembly 3 establishes the outer cold water conservancy diversion ring 31 in the membrane bubble outer lane including the cover, outer cold water conservancy diversion ring 31 is for the shell structure who contains interior cavity, at least one air intake has been seted up on outer cold water conservancy diversion ring 31, outer cold water conservancy diversion ring 31 is seted up corresponding to one side of membrane bubble and is annular outer cold air outlet 32 for carry out the forced air cooling heat dissipation to the outer lane of membrane bubble 10.
The coaxial solid fixed ring 34 that is provided with in outer cold water conservancy diversion ring 31's the inner circle, gu fixed ring 34 contains the internal thread, gu fixed ring 34 goes up along the adjustable outer cold adjustable ring 33 that is provided with of axial, outer cold adjustable ring 33 sets up the inboard at solid fixed ring, outer cold adjustable ring 33 and solid fixed ring 34 thread adjusting, outer cold air outlet 32 passes through the size in outer cold adjustable ring 33 regulation wind gap can make the inside and outside of bubble guarantee that air-cooled evenly through the fine setting, guarantees that the bubble diameter is stable.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides a film bubble internal cooling and external cooling system of film production which characterized in that: wear to establish tuber pipe (4) on mould body (1) including mould body (1) and the length direction of following membrane bubble (10), tuber pipe (4) set up the inner circle at the membrane bubble, just the air inlet end of tuber pipe (4) is located the inner circle of membrane bubble, the air-out end of tuber pipe (4) is located the outside of membrane bubble, mould body (1) is gone up and is provided with interior cold subassembly (2) corresponding to the inboard of membrane bubble (10), interior cold subassembly (2) are towards the inner circle forced air cooling heat dissipation of membrane bubble (10), the outside that lies in membrane bubble (10) on mould body (1) is provided with outer cold subassembly (3), outer cold subassembly (3) are towards the lateral surface forced air cooling heat dissipation in the membrane bubble.
2. The system of claim 1, wherein the system comprises: the die body (1) is provided with an installation channel (5) along the length direction of the film bubble in a penetrating mode, the air pipe (4) penetrates through the installation channel (5) at intervals, an inner cooling air inlet channel (6) is formed between the air pipe (4) and the installation channel (5), and the inner cooling component (2) is arranged corresponding to an air outlet of the inner cooling air inlet channel (6).
3. The system of claim 2, wherein the system comprises: the inner cooling assembly (2) comprises an inner cooling diversion top plate (20) positioned at the air outlet end of the inner cooling air inlet channel (6), the inner cooling diversion top plate (20) is sleeved on the outer side of the air pipe (4), the inner cooling diversion top plate (20) is arranged on the upper surface of the die body (1) at intervals, and the inner cooling diversion top plate (20) and the upper surface of the die form an annular inner cooling air outlet (21); and the air flow at the air outlet end of the inner cooling air inlet channel is diffused to the circumferential direction through the inner cooling air outlet (21).
4. The system of claim 3, wherein the system comprises: a plurality of groups of inner-cooling diversion intermediate plates (23) are arranged between the inner-cooling diversion top plate (20) and the air outlet of the inner-cooling air inlet channel (6) along the length direction of the air pipe at intervals, diversion air cavities are formed between the inner-cooling diversion intermediate plates and the inner-cooling diversion top plate, and a plurality of middle diversion holes (22) communicated with adjacent diversion air cavities are formed in the plate body of the inner-cooling diversion intermediate plate (23) in a penetrating manner.
5. The system of claim 1, wherein the system comprises: outer cold subassembly (3) establish outer cold water conservancy diversion ring (31) in the membrane bubble outer lane including the cover, outer cold water conservancy diversion ring (31) is for containing the shell structure of interior cavity, outer cold water conservancy diversion ring (31) have seted up outer cold air outlet (32) corresponding to one side of membrane bubble.
6. The system of claim 5, wherein the system comprises: the inner ring of the outer cooling guide ring (31) is coaxially provided with a fixing ring (34), the fixing ring (34) is provided with an outer cooling adjusting ring (33) in an adjustable mode along the axial direction, and the outer cooling air outlet (32) passes through the size of the air outlet adjusting ring (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123187206.4U CN216609963U (en) | 2021-12-17 | 2021-12-17 | Film bubble internal cooling and external cooling system for film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123187206.4U CN216609963U (en) | 2021-12-17 | 2021-12-17 | Film bubble internal cooling and external cooling system for film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216609963U true CN216609963U (en) | 2022-05-27 |
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ID=81704701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123187206.4U Active CN216609963U (en) | 2021-12-17 | 2021-12-17 | Film bubble internal cooling and external cooling system for film production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216609963U (en) |
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2021
- 2021-12-17 CN CN202123187206.4U patent/CN216609963U/en active Active
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