CN218876205U

CN218876205U - Air cooling structure for plastic injection molding

Info

Publication number: CN218876205U
Application number: CN202223260790.6U
Authority: CN
Inventors: 陈红丽
Original assignee: Hangzhou Shuangyu Plastic Hardware Co ltd
Current assignee: Hangzhou Shuangyu Plastic Hardware Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-18
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a plastics are moulded plastics and are used forced air cooling structure, concretely relates to field of moulding plastics, including the barrel, one side intercommunication of barrel has the aircraft nose, the inside of barrel is equipped with the plunger, one side intercommunication of aircraft nose has the goods mould, the inside of aircraft nose is equipped with automatic control forced air cooling mechanism, one side of aircraft nose is equipped with trades fan, automatic control forced air cooling mechanism includes the recess that the aircraft nose both sides were seted up, the inner wall fixed mounting of recess has the fan, one side of fan is equipped with the ventiduct, the ventiduct intercommunication is in one side of recess, one side of ventiduct is equipped with the baffle, baffle slidable mounting is at the inner wall of aircraft nose, the inner wall of aircraft nose is run through to one side of baffle, the surface slidable mounting of baffle has the rubber pad. The utility model discloses a set up automatic control forced air cooling mechanism and trade wind mechanism, and then cool off the position of needs when needs cooling, stop when not needing to its cooling, and then accomplish to the refrigerated free control to avoid the life of injection molding machine to reduce.

Description

Air cooling structure for plastic injection molding

Technical Field

The utility model relates to a technical field of moulding plastics, more specifically say, the utility model relates to a plastics are moulded plastics and are used forced air cooling structure.

Background

Injection molding is a method of manufacturing plastic articles by injecting molten plastic into a plastic article mold under pressure and cooling to form various plastic articles.

The cooling after traditional plastics are moulded plastics is often comparatively single when acting, can only be the continuation to the cooling of plastic products mould or the aircraft nose of moulding plastics, and then can not accomplish to the free control of refrigerated when needing not to need the cooling to act on, and then can make the life reduction of injection molding machine.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a plastics are moulded plastics and are used forced air cooling structure, through setting up automatic control forced air cooling mechanism, and then cool off the position of needs when needs cool off, stop when not needing to its cooling, and then accomplish to the refrigerated free control to avoid the life of injection molding machine to reduce, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an air cooling structure for plastic injection molding comprises a machine barrel, wherein one side of the machine barrel is communicated with a machine head, a plunger is arranged inside the machine barrel, one side of the machine head is communicated with a product mold, an automatic control air cooling mechanism is arranged inside the machine head, and an air changing mechanism is arranged on one side of the machine head;

the automatic control air cooling mechanism comprises a groove formed in two sides of the machine head, a fan is fixedly mounted on the inner wall of the groove, an air channel is arranged on one side of the fan, the air channel is communicated with one side of the groove, a baffle is arranged on one side of the air channel, the inner wall of the machine head is slidably mounted on the inner wall of the machine head, one side of the baffle runs through the inner wall of the machine head, a rubber pad is slidably mounted on the outer surface of the baffle, the inner wall of the machine head is fixedly mounted on the top of the baffle, a limiting spring part is fixedly mounted on the inner wall of the machine head, an air outlet is formed in one side of the baffle, and the two sides of the air channel are arranged on the air outlet.

In a preferred embodiment, the mechanism trades the wind is including seting up the air exit in aircraft nose one side, the inner wall of air exit rotates installs the deep bead, one side fixed mounting of deep bead has the restriction spring, the inner wall of restriction spring fixed mounting strip air exit, one side of deep bead is equipped with the push rod, push rod fixed mounting is at the top of baffle, one side of push rod is equipped with seals the board, seal one side of board fixed mounting at the baffle.

In a preferred embodiment, the baffle is arranged in a circular arc shape, the length of the baffle is greater than that of the handpiece, and a gap is reserved between the baffle and the inner wall of the handpiece.

In a preferred embodiment, the limiting type spring part and the baffle are arranged in parallel, and the length of the limiting type spring part is greater than that of the baffle.

In a preferred embodiment, the vertical cross-sectional area of the wind deflector is the same as that of the air outlet, the outer surface of the wind deflector is attached to the inner wall of the air outlet, and the air outlet and the product mold are arranged in parallel.

In a preferred embodiment, the push rod has the same level as the wind deflector and has a length greater than the length of the wind deflector.

In a preferred embodiment, the horizontal height of the sealing plate is the same as that of the air outlet hole, the vertical cross-sectional area of the sealing plate is larger than that of the air outlet hole, and the sealing plate is attached to one side of the air outlet hole.

The utility model discloses a technological effect and advantage: when the machine head is used, the plunger pushes the baffle to block the wind blown to the inner wall of the machine head by the fan, so that the machine head can not be cooled when in use, the influence on the discharge of molten plastics caused by the cooling of the machine head is avoided, and meanwhile, the baffle drives the push rod to jack the wind shield, so that the wind blown by the fan cools a product mold; after the head stops discharging the molten plastic, the baffle is far away from the head through the backward movement of the plunger, so that the wind blown out by the fan blows to the inner wall of the head again to dissipate heat of the head, and the reduction of the service life of the head due to overheating is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.

Fig. 4 is a cross-sectional view of the middle ventilation mechanism of the present invention.

The reference signs are: 1. a barrel; 2. a machine head; 3. a plunger; 4. a product mold; 5. a self-control air cooling mechanism; 51. a fan; 52. an air duct; 53. a baffle plate; 54. a rubber pad; 55. a limiting type spring part; 56. an air outlet; 6. a wind changing mechanism; 61. an air outlet; 62. a wind deflector; 63. a restraining spring; 64. a push rod; 65. a sealing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to the attached figures 1-4 of the specification, an air cooling structure for plastic injection molding is shown in figures 1 and 2 and comprises a machine barrel 1, wherein one side of the machine barrel 1 is communicated with a machine head 2, a plunger 3 is arranged inside the machine barrel 1, one side of the machine head 2 is communicated with a product mold 4, a self-control air cooling mechanism 5 is arranged inside the machine head 2, and an air changing mechanism 6 is arranged on one side of the machine head 2;

as shown in fig. 2 and 3, the self-controlled air cooling mechanism 5 includes grooves formed in two sides of the handpiece 2, a fan 51 is fixedly mounted on an inner wall of the groove, an air duct 52 is arranged on one side of the fan 51, the air duct 52 is communicated with one side of the groove, a baffle 53 is arranged on one side of the air duct 52, the baffle 53 is slidably mounted on the inner wall of the handpiece 2, one side of the baffle 53 penetrates through the inner wall of the handpiece 2, a rubber pad 54 is slidably mounted on an outer surface of the baffle 53, the rubber pad 54 is fixedly mounted on the inner wall of the handpiece 2, as shown in fig. 3, a limiting spring part 55 is fixedly mounted on the top of the baffle 53, the limiting spring part 55 is fixedly mounted on the inner wall of the handpiece 2, an air outlet 56 is formed in one side of the baffle 53, the air outlet 56 is formed in two sides of the air duct 52, and after the handpiece 2 stops discharging molten plastic, air blown by the started fan 51 blows towards the inner wall of the handpiece 2 through the air duct 52 to cool the inner wall of the handpiece 2, so that the air is discharged through the air outlet 56 after absorbing heat from the inner wall of the handpiece 2, thereby preventing overheating of the handpiece 2; when the aircraft nose needs to discharge molten plastic, extrude the plastics in the aircraft nose 2 through plunger 3 this moment, and then make plunger 3 move and promote baffle 53 and move forward, and then make baffle 53 cover the inner wall of aircraft nose 2 gradually, and then make baffle 53 stretch spacing type spring part 55, and then make spacing type spring part 55 hold up power, and then make aircraft nose 2 can not receive the wind that comes from fan 51 and cool off, thereby avoid aircraft nose 2 to influence the discharge of molten plastic because of the cooling.

As shown in fig. 3, the baffle 53 is arc-shaped, the length of the baffle 53 is greater than that of the handpiece 2, a gap is left between the baffle 53 and the inner wall of the handpiece 2, and the baffle 53 can move to completely shield the inner wall of the handpiece 2, so that the baffle 53 blocks cold air from affecting the inner wall of the handpiece 2.

As shown in fig. 3, the limiting type spring part 55 and the baffle plate 53 are parallel to each other, the length of the limiting type spring part 55 is greater than that of the baffle plate 53, so that the limiting type spring part 55 can be stretched when the baffle plate 53 moves, and the baffle plate 53 can be controlled to move without limitation by the limiting type spring part 55.

In the specific implementation: after the head 2 stops discharging the molten plastic, the air blown by the started fan 51 is blown to the inner wall of the head 2 through the air duct 52, so as to cool the inner wall of the head 2, and further the air is discharged through the air outlet 56 after absorbing the heat of the inner wall of the head 2, so that the head 2 is prevented from being overheated; when the aircraft nose needs to discharge molten plastic, extrude the plastics in the aircraft nose 2 through plunger 3 this moment, and then make plunger 3 move and promote baffle 53 and move forward, and then make baffle 53 cover the inner wall of aircraft nose 2 gradually, and then make baffle 53 stretch spacing type spring part 55, and then make spacing type spring part 55 hold up power, and then make aircraft nose 2 can not receive the wind that comes from fan 51 and cool off, thereby avoid aircraft nose 2 to influence the discharge of molten plastic because of the cooling.

As shown in fig. 4, the ventilation mechanism 6 includes an air outlet 61 provided at one side of the machine head 2, an air baffle 62 is rotatably installed on an inner wall of the air outlet 61, a limiting spring 63 is fixedly installed at one side of the air baffle 62, the limiting spring 63 is fixedly installed on an inner wall of the air outlet 61, a push rod 64 is provided at one side of the air baffle 62, the push rod 64 is fixedly installed at the top of the baffle 53, a sealing plate 65 is provided at one side of the push rod 64, the sealing plate 65 is fixedly installed at one side of the baffle 53, and when the baffle 53 gradually covers the inner wall of the machine head 2, the push rod 64 and the sealing plate 65 are driven to move synchronously by the movement of the baffle 53, and the air baffle 62 is close to and pushed open by the push rod 64, so that the air baffle 62 is pulled and rotated by the limiting spring 63, and the air outlet 61 is opened, and is attached to the air outlet 56 by the sealing plate 65, the air outlet 56 is blocked by the sealing plate 65, and the air blown out by the fan 51 can only be discharged through the air outlet 61, so that the cold air is blown to the product mold 4, and then is cooled.

As shown in fig. 4, the vertical cross-sectional area of the wind screen 62 is the same as that of the air outlet 61, the outer surface of the wind screen 62 is attached to the inner wall of the air outlet 61, the air outlet 61 and the product mold 4 are arranged in parallel, and then the wind screen 62 blocks the air outlet 61 when not being jacked open, and cold air discharged from the air outlet 61 can be blown to the product mold 4.

As shown in fig. 4, the horizontal height of push rod 64 is the same as the horizontal height of wind deflector 62, and the length of push rod 64 is greater than the length of wind deflector 62, so that when push rod 64 moves and pushes wind deflector 62, wind deflector 62 can break free from the pull of limiting spring 63 and be opened.

As shown in fig. 4, the horizontal height of the sealing plate 65 is the same as the horizontal height of the air outlet 56, the vertical cross-sectional area of the sealing plate 65 is larger than the vertical cross-sectional area of the air outlet 56, the sealing plate 65 is attached to one side of the air outlet 56, and therefore when the sealing plate 65 moves to the position of the air outlet 56, the air outlet 56 is blocked by the sealing plate 65, and air leakage of the air outlet 56 is avoided.

In the specific implementation: when the baffle 53 covers the inner wall of the machine head 2 gradually, the baffle 53 moves to drive the push rod 64 and the sealing plate 65 to move synchronously, the push rod 64 is close to and pushes away the wind shield 62, the wind shield 62 is further made to break away the pulling and rotating of the limiting spring 63, the air outlet 61 is opened, meanwhile, the sealing plate 65 is attached to the air outlet 56, the air outlet 56 is blocked by the sealing plate 65, the air blown out by the fan 51 can only be discharged through the air outlet 61, the cold air is blown to the product mold 4, and the product mold 4 is cooled.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plastics are moulded plastics and are used air-cooled structure, includes barrel (1), one side intercommunication of barrel (1) has aircraft nose (2), the inside of barrel (1) is equipped with plunger (3), one side intercommunication of aircraft nose (2) has goods mould (4), its characterized in that: an automatic control air cooling mechanism (5) is arranged inside the machine head (2), and an air exchanging mechanism (6) is arranged on one side of the machine head (2);

self-control air cooling mechanism (5) include the recess that aircraft nose (2) both sides were seted up, the inner wall fixed mounting of recess has fan (51), one side of fan (51) is equipped with ventiduct (52), ventiduct (52) intercommunication is in one side of recess, one side of ventiduct (52) is equipped with baffle (53), baffle (53) slidable mounting is at the inner wall of aircraft nose (2), the inner wall of aircraft nose (2) is run through to one side of baffle (53), the surface slidable mounting of baffle (53) has rubber pad (54), rubber pad (54) fixed mounting is at the inner wall of aircraft nose (2), the top fixed mounting of baffle (53) has spacing type spring part (55), spacing type spring part (55) fixed mounting is at the inner wall of aircraft nose (2), one side of baffle (53) is equipped with venthole (56), venthole (56) are seted up in the both sides of ventiduct (52).

2. The air cooling structure for plastic injection molding according to claim 1, wherein: trade wind mechanism (6) including offering air exit (61) in aircraft nose (2) one side, the inner wall of air exit (61) rotates and installs deep bead (62), one side fixed mounting of deep bead (62) has restriction spring (63), restriction spring (63) fixed mounting is at the inner wall of air exit (61), one side of deep bead (62) is equipped with push rod (64), push rod (64) fixed mounting is at the top of baffle (53), one side of push rod (64) is equipped with seals board (65), seal one side of board (65) fixed mounting at baffle (53).

3. The air cooling structure for plastic injection molding according to claim 2, wherein: the baffle (53) is arranged in a circular arc shape, the length of the baffle (53) is greater than that of the machine head (2), and a gap is reserved between the baffle (53) and the inner wall of the machine head (2).

4. The air cooling structure for plastic injection molding according to claim 3, wherein: spacing type spring part (55) and baffle (53) are parallel to each other, the length of spacing type spring part (55) is greater than the length of baffle (53).

5. The air cooling structure for plastic injection molding according to claim 2, wherein: the vertical sectional area of the wind shield (62) is the same as that of the air outlet (61), the outer surface of the wind shield (62) is attached to the inner wall of the air outlet (61), and the air outlet (61) and the product mold (4) are arranged in parallel.

6. The air cooling structure for plastic injection molding according to claim 2, wherein: the horizontal height of the push rod (64) is the same as that of the wind deflector (62), and the length of the push rod (64) is larger than that of the wind deflector (62).

7. The air cooling structure for plastic injection molding according to claim 2, wherein: the horizontal height of the sealing plate (65) is the same as the horizontal height of the air outlet hole (56), the vertical cross-sectional area of the sealing plate (65) is larger than that of the air outlet hole (56), and the sealing plate (65) is attached to one side of the air outlet hole (56).