Injection mold for cup cover

Abstract

The utility model belongs to the technical field of injection molds, and discloses a cup cover injection mold which comprises a first mold plate and a second mold plate, the first mold plate corresponds to the second mold plate in position, two pairs of sliding rods are fixedly connected to the side, facing the second mold plate, of the second mold plate, and two pairs of sliding grooves corresponding to the two pairs of sliding rods are formed in one side of the first mold plate. The two pairs of sliding grooves penetrate through the other side of the first template, and one ends of the two pairs of sliding rods are slidably connected with the first template through the two pairs of sliding grooves. According to the device, through cooperative use of the rotating shaft, the box body, the rotating motor and the fan blades, an injection mold can be effectively cooled, a cooling water channel is assisted for cooling, heat can be discharged out of the mold through arrangement of a cooling groove and a filter screen, the cooling effect is further improved, the production precision and product quality of cup covers are effectively improved, and the production cost is reduced. And meanwhile, the service life of the mold is prolonged, and through combined use of the electric push rod, the hole groove and the demolding plate, the cup cover subjected to injection molding can be conveniently demolded.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and more specifically, particularly relates to an injection mold for a cup cover. Background Art

[0002] The injection mold for cup lids is a tool specially used to produce various types of plastic cup lids. Cup lids are widely used in beverage, food, medicine and other industries, so the design and manufacture of their injection molds need to consider high precision, high efficiency and high durability.

[0003] At present, the cooling system of the injection mold of the cup cover is generally a cooling water channel, which relies on cold water circulation to cool the injection mold. However, the effect of cooling by circulating cold water is relatively limited and the cooling time is relatively long. When the cup covers are mass-produced, the injection molding machine mold can easily generate high temperature due to continuous injection molding because the cooling performance cannot keep up, which makes the mold material prone to thermal deformation at high temperature, resulting in poor mold matching, affecting the production accuracy and product quality of the cup cover. At the same time, overheating will also accelerate the wear of the mold surface and moving parts, reduce the mold life, and increase maintenance and replacement costs.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an injection mold for a cup cover is provided, in order to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an injection mold for a cup cover, which is achieved by the following specific technical means:

[0006] A cup cover injection mold comprises a first template and a second template, the first template and the second template correspond in position, the second template is fixedly connected with two pairs of sliding rods on a side facing the second template, two pairs of sliding grooves are provided on one side of the first template corresponding to the two pairs of sliding rods, and the two pairs of sliding grooves both pass through the other side of the first template, one end of the two pairs of sliding rods is slidably connected with the first template through the two pairs of sliding grooves, the first template is provided with a structural groove on a side facing the second template, a cooling plate is connected to the structural groove on a side facing the second template, a movable mold is provided on the side of the cooling plate facing the second template, an equipment groove is provided on the side of the second template facing the first template, a fixed mold is provided in the equipment groove, the fixed mold position corresponds to the movable mold position and has the same size, the second template is movably connected with a stripping plate at the notch position of the equipment groove, and one side of the stripping plate is fitted with one side of the fixed mold.

[0007] Furthermore, a cooling groove is provided on the side of the cooling plate facing the movable mold, a cooling water channel is provided on one side of the cooling groove, and a pair of cooling fans are provided at the notch position of the cooling groove.

[0008] Furthermore, the cooling fan includes fan blades, a rotating shaft, a box body and a rotating motor. A through slot is opened on one side of the box body, the rotating shaft is rotatably connected to one side of the through slot, the fan blades are fixedly connected to the outside of the rotating shaft, and the rotating motor is arranged on a side of the box body away from the through slot, one end of the rotating shaft passes through the through slot and extends to the outside of the box body, and the output end of the rotating motor is transmission-connected to one end of the rotating shaft extending to the outside of the box body.

[0009] Furthermore, a heat dissipation groove is provided on a side of the first template away from the second template, the heat dissipation groove is communicated with the structural groove, and a filter is provided at the notch position of the heat dissipation groove.

[0010] Furthermore, two pairs of electric push rods are arranged on one side of the equipment slot, and the other ends of the electric push rods are fixedly connected to the stripping plate.

[0011] Furthermore, a plurality of cup lid convex modules are arranged on the side of the fixed mold facing the movable mold, a plurality of cup lid mold cavities are arranged on the side of the movable mold facing the fixed mold corresponding to the plurality of cup lid convex modules, and a plurality of holes are opened on the stripping plate corresponding to the plurality of cup lid convex modules, the holes pass through both sides of the stripping plate, and the size of the holes is larger than the size of the cup lid convex modules.

[0012] Furthermore, injection ports are provided at the center positions of several of the cup cover convex modules.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, the injection mold can be effectively cooled by the coordinated use of the rotating shaft, the box body, the rotating motor and the fan blades, and the cooling water channel is assisted to dissipate heat. The heat dissipation groove and the filter screen are provided to discharge the heat out of the mold, further improving the cooling effect, effectively improving the production accuracy and product quality of the cup cover, and also extending the service life of the mold. The combined use of the electric push rod, the hole groove and the demoulding plate can facilitate the demoulding of the injection-molded cup cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a side sectional schematic diagram of the utility model.

[0017] Figure 3 It is a schematic diagram of the overall structure of the cooling plate of the utility model.

[0018] Figure 4 It is a schematic diagram of the overall structure of the second template of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0020] 1. First template; 2. Second template; 3. Slide bar; 4. Sliding groove; 5. Structural groove; 6. Cooling plate; 7. Moving mold; 8. Equipment groove; 9. Fixed mold; 10. Stripping plate; 11. Cooling groove; 12. Cooling water channel; 13. Fan blade; 14. Rotating shaft; 15. Box body; 16. Rotating motor; 17. Through groove; 18. Heat dissipation groove; 19. Filter; 20. Electric push rod; 21. Cup cover convex module; 22. Cup cover mold cavity; 23. Hole groove; 24. Injection port. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example:

[0025] As attached Figure 1 To Attachment Figure 4 As shown:

[0026] The utility model provides an injection mold for a cup cover, comprising a first template 1 and a second template 2, the first template 1 and the second template 2 are positioned correspondingly, the second template 2 is fixedly connected with two pairs of sliding rods 3 on one side facing the second template 2, two pairs of sliding grooves 4 are opened on one side of the first template 1 corresponding to the two pairs of sliding rods 3, and the two pairs of sliding grooves 4 all penetrate the other side of the first template 1, one end of the two pairs of sliding rods 3 is slidably connected with the first template 1 through the two pairs of sliding grooves 4, a structural groove 5 is opened on the side of the first template 1 facing the second template 2, a cooling plate 6 is connected to the side of the structural groove 5 facing the second template 2, a movable mold 7 is arranged on the side of the cooling plate 6 facing the second template 2, an equipment groove 8 is opened on the side of the second template 2 facing the first template 1, a fixed mold 9 is arranged in the equipment groove 8, the position of the fixed mold 9 corresponds to the position of the movable mold 7 and the size is the same, the second template 2 is movably connected with a stripping plate 10 at the notch position of the equipment groove 8, and one side of the stripping plate 10 is fitted with one side of the fixed mold 9.

[0027] Among them, a cooling groove 11 is opened on the side of the cooling plate 6 facing the movable mold 7, a cooling water channel 12 is arranged on one side of the cooling groove 11, and a pair of cooling fans are arranged at the notch position of the cooling groove 11. The cooling fan can dissipate heat for the injection mold more quickly, greatly improving the heat dissipation effect and efficiency of the mold.

[0028] Among them, the cooling fan includes fan blades 13, a rotating shaft 14, a box body 15 and a rotating motor 16. A through slot 17 is opened on one side of the box body 15. The rotating shaft 14 is rotatably connected to one side of the through slot 17. The fan blades 13 are fixedly connected to the outer side of the rotating shaft 14. The rotating motor 16 is arranged on the side of the box body 15 away from the through slot 17. One end of the rotating shaft 14 passes through the through slot 17 and extends to the outside of the box body 15. The output end of the rotating motor 16 is transmission-connected to one end of the rotating shaft 14 extending to the outside of the box body 15. The rotating motor 16 can provide power for the rotation of the rotating shaft 14.

[0029] A heat dissipation groove 18 is provided on one side of the first template 1 away from the second template 2 . The heat dissipation groove 18 is connected to the structural groove 5 , and a filter 19 is provided at the groove position of the heat dissipation groove 18 . The heat dissipation groove 18 can discharge heat more conveniently.

[0030] Among them, two pairs of electric push rods 20 are arranged on one side of the equipment slot 8, and the other ends of the electric push rods 20 are fixedly connected to the stripping plate 10, so that the electric push rods 20 can drive the stripping plate 10 to move.

[0031] Among them, a plurality of cup lid convex modules 21 are arranged on the side of the fixed mold 9 facing the movable mold 7, a plurality of cup lid mold cavities 22 are arranged on the side of the movable mold 7 facing the fixed mold 9 corresponding to the plurality of cup lid convex modules 21, and a plurality of holes 23 are opened on the stripping plate 10 corresponding to the plurality of cup lid convex modules 21, the holes 23 run through both sides of the stripping plate 10, and the size of the holes 23 is larger than the size of the cup lid convex modules 21.

[0032] The center positions of the plurality of cup cover convex modules 21 are all provided with injection ports 24 .

[0033] Working principle of this embodiment: In the utility model, when the cup cover is injection molded, the first template 1 and the second template 2 are overlapped together through the slide bar 3, so that the fixed mold 9 and the movable mold 7 are in contact and squeezed together, and the cup cover convex module 21 and the cup cover mold cavity 22 are in contact with each other to form a cup cover-shaped groove. At this time, the injection port 24 begins to inject liquefied plastic, so that the liquefied plastic fills the groove formed by the cup cover convex module 21 and the cup cover mold cavity 22. At this time, the cooling water channel 12 starts to circulate cold water continuously to start cooling the entire injection mold, and the rotating horse The lever 16 also drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the fan blades 13 to rotate, so that the fan blades 13 continuously blow air to the movable mold 7, so that the injection mold is cooled quickly, and the heat dissipation grooves 18 also continuously discharge the heat. When the cooling is completed, the first template 1 is separated from the second template 2 through the slide rod 3. At this time, all the injection-molded cup lids are covered on the cup lid convex module 21. At this time, the electric push rod 20 drives the stripping plate 10 to move, and the hole groove 23 moves on the cup lid convex module 21, so that all the injection-molded cup lids covered on the cup lid convex module 21 are demolded and removed.

[0034] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

Claims

1. An injection mold for a cup cover, comprising a first mold plate (1) and a second mold plate (2), characterized in that: The first template (1) and the second template (2) are positioned correspondingly; the second template (2) is fixedly connected with two pairs of sliding rods (3) on one side facing the second template (2); two pairs of sliding grooves (4) are provided on one side of the first template (1) corresponding to the two pairs of sliding rods (3); and the two pairs of sliding grooves (4) are both connected to the other side of the first template (1); one end of the two pairs of sliding rods (3) is slidably connected to the first template (1) through the two pairs of sliding grooves (4); the first template (1) is provided with a structural groove (5) on one side facing the second template (2); A cooling plate (6) is connected to the side of the groove (5) facing the second template (2); a movable mold (7) is arranged on the side of the cooling plate (6) facing the second template (2); an equipment groove (8) is provided on the side of the second template (2) facing the first template (1); a fixed mold (9) is arranged in the equipment groove (8); the position of the fixed mold (9) corresponds to the position of the movable mold (7) and has the same size; the second template (2) is movably connected to a stripper plate (10) at the notch position of the equipment groove (8); one side of the stripper plate (10) is in contact with one side of the fixed mold (9).

2. The injection mold for a cup cover according to claim 1, characterized in that: A cooling groove (11) is provided on the side of the cooling plate (6) facing the movable mold (7), a cooling water channel (12) is provided on one side of the cooling groove (11), and a pair of cooling fans are provided at the notch position of the cooling groove (11).

3. The injection mold for a cup cover as claimed in claim 2, characterized in that: The cooling fan comprises a fan blade (13), a rotating shaft (14), a box body (15) and a rotating motor (16); a through slot (17) is provided on one side of the box body (15); the rotating shaft (14) is rotatably connected to one side of the through slot (17); the fan blade (13) is fixedly connected to the outer side of the rotating shaft (14); the rotating motor (16) is arranged on a side of the box body (15) away from the through slot (17); one end of the rotating shaft (14) passes through the through slot (17) and extends to the outer side of the box body (15); and the output end of the rotating motor (16) is transmission-connected to one end of the rotating shaft (14) extending to the outer side of the box body (15).

4. The injection mold for a cup cover according to claim 1, characterized in that: A heat dissipation groove (18) is provided on a side of the first template (1) away from the second template (2); the heat dissipation groove (18) is connected to the structural groove (5), and a filter screen (19) is provided at the groove position of the heat dissipation groove (18).

5. The injection mold for a cup cover according to claim 1, characterized in that: Two pairs of electric push rods (20) are arranged on one side of the equipment slot (8), and the other ends of the electric push rods (20) are fixedly connected to the stripping plate (10).

6. The injection mold for a cup cover according to claim 1, characterized in that: A plurality of cup cover convex modules (21) are arranged on the side of the fixed mold (9) facing the movable mold (7); a plurality of cup cover mold cavities (22) are arranged on the side of the movable mold (7) facing the fixed mold (9) corresponding to the plurality of cup cover convex modules (21); a plurality of holes (23) are opened on the stripper plate (10) corresponding to the plurality of cup cover convex modules (21); the holes (23) pass through both sides of the stripper plate (10), and the size of the holes (23) is greater than the size of the cup cover convex modules (21).

7. An injection mold for a cup cover as claimed in claim 6, characterized in that: An injection port (24) is provided at the center of each of the cup cover convex modules (21).

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