Plastic bucket body forming mold

Abstract

The utility model relates to the technical field of dies, and discloses a plastic bucket body forming die, which is characterized in that the top end of a top plate is provided with a lifting assembly, the top end of a base is fixedly connected with a lower die, the side end of the lower die is provided with a striking assembly, and a springback assembly is arranged between the side end of the lower die and the side end of the striking assembly. According to the plastic injection mold, the upper mold and the lower mold are matched through the lifting assembly, and a plastic material enters the position between the upper mold and the lower mold through the injection molding opening of the lower mold in an injection molding mode; after the rotating assembly rotates, the beating assembly is driven to be matched with the springback assembly to beat the side end of the lower mold back and forth to generate oscillation, at the moment, plastic liquid in the lower mold can be rapidly and evenly distributed, bubbles in the plastic liquid can be eliminated through oscillation, and the quality of a plastic barrel body after injection molding is improved; and the plastic bucket body is prevented from becoming defective products due to bubbles.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, specifically, relate to a plastic bucket body forming die. BACKGROUND

[0002] The plastic bucket body forming die is key process equipment for manufacturing plastic bucket body, and its design, manufacturing and use directly affect the forming quality, production efficiency and cost of the plastic bucket, the plastic bucket body forming die is usually composed of two parts of a movable die and a fixed die, and the structure comprises: a cavity for forming the shape and size of the plastic bucket, which is the core part of the die, a gating system including a main runner, a sub-runner and a sprue, which is responsible for injecting molten plastic into the cavity, a cooling system for cooling the die through water channels or oil channels to ensure rapid solidification of the plastic, an ejection system for ejecting the formed plastic bucket from the die when the die is opened, and a guiding and positioning system for ensuring accurate alignment of the movable die and the fixed die when the die is closed.

[0003] The existing plastic bucket body forming die has uneven liquid distribution during injection molding, which is prone to bubbles, resulting in poor quality of the injection molded plastic bucket body, which becomes a defective product, and therefore a plastic bucket body forming die is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a plastic bucket body forming die, solving the problem of uneven liquid distribution during injection molding of the existing plastic bucket body forming die in the prior art, which is prone to bubbles, resulting in poor quality of the injection molded plastic bucket body, which becomes a defective product.

[0005] The utility model provides the following technical scheme: a plastic bucket body forming die, including base, both sides of the base Fixedly connected with connecting frame, the top of each connecting frame is fixedly connected with top plate, the top of the base is fixedly connected with a plurality of guide rods between the bottom of top plate, the top of the top plate is equipped with lifting assembly, the top of the base is fixedly connected with lower mould, the side of the lower mould is equipped with beating assembly, the side of the lower mould to the side of beating assembly is equipped with rebound assembly, the side of the lower mould is equipped with rotating assembly.

[0006] As a preferred embodiment of the above technical scheme, the lifting assembly comprises a gas cylinder fixedly connected to the top of the top plate, a top seat fixedly connected to the bottom of the gas cylinder, an upper die fixedly connected to the bottom of the top seat, and the top seat is sleeved on the outer end of each guide rod.

[0007] As the preferred technical scheme of the above, the hitting assembly comprises a limiting frame fixedly connected to the side end of the lower mold, a rotating rod rotatably arranged between the inner sides of the limiting frame, a rotating plate fixedly connected to the outer end of the rotating rod, and a hitting head fixedly connected to the top end of the rotating plate.

[0008] As the preferred technical scheme of the above, the rebound assembly comprises a hollow rod fixedly connected to the side end of the lower mold, and a spring fixedly connected to the inner side end of the hollow rod.

[0009] As the preferred technical scheme of the above, the side end of the spring is fixedly connected to the side end of the rotating plate, and the rotating plate is arranged in an inclined manner.

[0010] As the preferred technical scheme of the above, the rotating assembly comprises a side plate fixedly connected to the side end of the lower mold, a motor fixedly connected to the side end of the side plate, a rotating rod mounted to the output end of the motor, and a pushing plate fixedly connected to the side end of the rotating rod.

[0011] As the preferred technical scheme of the above, one end of the pushing plate is arranged in a circular arc shape, and the other end of the pushing plate is arranged in a convex shape.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a plastic barrel body forming mold, which comprises a lower mold, an upper mold, a lifting assembly, a hitting assembly, a rebound assembly and a rotating assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of plastic barrel body forming mold's overall structure schematic diagram;

[0015] Figure 2 It is Figure 1 It is the local enlarged structure schematic diagram of A;

[0016] Figure 3 It is a kind of plastic barrel body forming mold's lower mold overhead structure schematic diagram;

[0017] Figure 4 It is a kind of plastic barrel body forming mold's upper mold overhead structure schematic diagram.

[0018] In the diagram: 1. Base; 101. Connecting frame; 102. Top plate; 103. Guide rod; 2. Lifting assembly; 201. Cylinder; 202. Top seat; 203. Upper mold; 3. Lower mold; 4. Striking assembly; 401. Limiting frame; 402. Rotating rod; 403. Rotating plate; 404. Striking head; 5. Rebound assembly; 501. Hollow rod; 502. Spring; 6. Rotating assembly; 601. Side plate; 602. Motor; 603. Rotating rod; 604. Paddle plate. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] like Figures 1-4 As shown, this utility model provides a technical solution: a plastic barrel molding mold, including a base 1, with connecting frames 101 fixedly connected to both the left and right sides of the base 1, and a top plate 102 fixedly connected between the top ends of each connecting frame 101. A plurality of guide rods 103 are fixedly connected between the top end of the base 1 and the bottom end of the top plate 102. A lifting assembly 2 is provided at the top end of the top plate 102. A lower mold 3 is fixedly connected to the top end of the base 1. The lower mold 3 is equipped with a cooling system and an ejection device (not shown). A striking assembly 4 is provided on the side end of the lower mold 3, and a springback assembly 5 is provided between the side end of the lower mold 3 and the side end of the striking assembly 4. A rotating assembly 6 is provided on the side end of the lower mold 3. The upper mold is rotated by the lifting assembly 2. The upper mold 203 and the lower mold 3 work together. Plastic material is injected into the space between the upper mold 203 and the lower mold 3 through the injection port of the lower mold 3. After the rotating component 6 rotates, it drives the striking component 4 and the springback component 5 to strike the side of the lower mold 3 back and forth to generate vibration. At this time, the plastic liquid in the lower mold 3 can be quickly and evenly distributed. The vibration can eliminate air bubbles in the plastic liquid, improve the quality of the plastic barrel after injection molding, and avoid the plastic barrel becoming a defective product due to air bubbles. At the same time, the plastic is cooled by the cooling system in the lower mold 3. At this time, the plastic can be formed into a plastic barrel. Then, the cylinder 201 drives the upper mold 203 to move upward, and the ejection device in the lower mold 3 can eject the plastic barrel and discharge it.

[0021] As one implementation method in this embodiment, such as Figure 1As shown, the lifting assembly 2 comprises a cylinder 201 fixedly connected at the top end of the top plate 102, the bottom end of the cylinder 201 is fixedly connected with a top seat 202, the bottom end of the top seat 202 is fixedly connected with an upper mold 203, the top seat 202 is sleeved on the outer end of each guide rod 103, which can limit the upper mold 203, so that the upper mold 203 can be accurately aligned with the lower mold 3. In the implementation, the cylinder 201 is started to drive the top seat 202 and the upper mold 203 to move downward, after the upper mold 203 cooperates with the lower mold 3, the plastic material is injected into the space between the upper mold 203 and the lower mold 3 through the injection port of the lower mold 3, and the plastic is cooled through the cooling system in the lower mold 3. At this time, the plastic can be formed into a plastic barrel body. Then, the upper mold 203 is driven upward by the cylinder 201, and the ejection device in the lower mold 3 can eject the plastic barrel body.

[0022] As an embodiment in the present embodiment, as shown in Figure 2As shown, the striking assembly 4 comprises a limiting frame 401 fixedly connected to the side end of the lower mold 3, a rotating rod 402 rotatably arranged between the inner side of the limiting frame 401, an outer end of the rotating rod 402 fixedly connected with a rotating plate 403, a top end of the rotating plate 403 fixedly connected with a striking head 404, the rebound assembly 5 comprises a hollow rod 501 fixedly connected to the side end of the lower mold 3, an inner side end of the hollow rod 501 fixedly connected with a spring 502, a side end of the spring 502 fixedly connected to the side end of the rotating plate 403, the rotating plate 403 is arranged in an inclined manner, the rotating assembly 6 comprises a side plate 601 fixedly connected to the side end of the lower mold 3, a side end of the side plate 601 fixedly connected with a motor 602, an output end of the motor 602 mounted with a rotating rod 603, a side end of the rotating rod 603 fixedly connected with a push plate 604, an outer shape one end of the push plate 604 is arranged in a circular arc shape, the other end of the push plate 604 is arranged in a protrusion, in the implementation, the plastic material is injected into the upper mold 203 and the lower mold 3 through the injection port of the lower mold 3, the rotating rod 603 and the push plate 604 are driven to rotate by starting the motor 602, when the protruding end of the push plate 604 rotates to the side end of the rotating plate 403, the rotating plate 403 can be pressed to rotate, the rotating plate 403 rotates to make the striking head 404 away from the side end of the lower mold 3, at this time the rotating plate 403 can press the spring 502 to shrink in the hollow rod 501, at this time when the push plate 604 continues to rotate until the circular arc one end faces the rotating plate 403, the push plate 604 no longer contacts the rotating plate 403, at this time the spring 502 rebounds against the rotating plate 403, the rotating plate 403 rotates and inclines again, at this time the striking head 404 can be driven to strike the lower mold 3, the above operation realizes the back and forth striking and oscillation of the lower mold 3, at this time the plastic liquid in the lower mold 3 can be quickly and uniformly distributed, the oscillation can eliminate the bubbles in the plastic liquid, improve the quality of the plastic barrel body after injection molding, avoid the plastic barrel body becoming a defective product due to bubbles, at the same time the plastic is cooled by the cooling system in the lower mold 3, at this time the plastic can be formed into a plastic barrel body, then the upper mold 203 is driven to move up by the air cylinder 201, the ejection device in the lower mold 3 can eject the plastic barrel body and discharge.

[0023] Working principle: through starting the cylinder 201 drives the top seat 202 and the upper die 203 to move down, the upper die 203 is cooperated with the lower die 3, and then the plastic material is injected into the upper die 203 and the lower die 3 through the injection port of the lower die 3, the rotating rod 603 and the push plate 604 are driven to rotate by starting the motor 602, when the convex end of the push plate 604 rotates to the side end of the rotating plate 403, the rotating plate 403 can be pressed to rotate, the striking head 404 is away from the side end of the lower die 3 after the rotating plate 403 rotates, at this time the rotating plate 403 can press the spring 502 to retract in the hollow rod 501, at this time when the push plate 604 continues to rotate until the circular arc end is opposite to the rotating plate 403, the push plate 604 no longer contacts the rotating plate 403, at this time the spring 502 rebounds against the rotating plate 403, the rotating plate 403 is re-rotated and inclined, at this time the striking head 404 can be driven to strike the lower die 3, the above operation is realized to strike and oscillate the lower die 3 back and forth, at this time the plastic liquid in the lower die 3 can be quickly and uniformly distributed, the oscillation can eliminate the bubbles in the plastic liquid, improve the quality of the plastic barrel body after injection molding, avoid the plastic barrel body to become a defective product due to bubbles, at the same time the plastic is cooled through the cooling system in the lower die 3, at this time the plastic can be formed into a plastic barrel body, then the upper die 203 is driven to move up by the cylinder 201, and the ejection device in the lower die 3 can eject the plastic barrel body to discharge.

[0024] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. A plastic barrel molding mold, comprising a base (1), wherein connecting frames (101) are fixedly connected to both the left and right sides of the base (1), a top plate (102) is fixedly connected between the top ends of each connecting frame (101), and a plurality of guide rods (103) are fixedly connected between the top end of the base (1) and the bottom end of the top plate (102), characterized in that: The top end of the top plate (102) is provided with a lifting assembly (2), the top end of the base (1) is fixedly connected with a lower mold (3), the side end of the lower mold (3) is provided with a hitting assembly (4), the side end of the lower mold (3) to the side end of the hitting assembly (4) is provided with a rebound assembly (5), and the side end of the lower mold (3) is provided with a rotating assembly (6).

2. The plastic barrel body forming mold according to claim 1, characterized in that: The lifting assembly (2) comprises a gas cylinder (201), the gas cylinder (201) is fixedly connected to the top end of the top plate (102), the bottom end of the gas cylinder (201) is fixedly connected with a top seat (202), the bottom end of the top seat (202) is fixedly connected with an upper mold (203), and the top seat (202) is sleeved on the outer end of each guide rod (103).

3. The plastic barrel body forming mold according to claim 1, wherein: The hitting assembly (4) comprises a limiting frame (401), the limiting frame (401) is fixedly connected to the side end of the lower mold (3), the inner side of the limiting frame (401) is rotatably provided with a rotating rod (402), the outer end of the rotating rod (402) is fixedly connected with a rotating plate (403), and the top end of the rotating plate (403) is fixedly connected with a hitting head (404).

4. The plastic barrel body forming mold according to claim 3, characterized in that: The rebound assembly (5) comprises a hollow rod (501), the hollow rod (501) is fixedly connected to the side end of the lower mold (3), and the inner side end of the hollow rod (501) is fixedly connected with a spring (502).

5. The plastic barrel body forming mold according to claim 4, wherein: The side end of the spring (502) is fixedly connected to the side end of the rotating plate (403), and the rotating plate (403) is provided in an inclined manner.

6. The plastic barrel body forming mold according to claim 1, wherein: The rotating assembly (6) comprises a side plate (601), the side plate (601) is fixedly connected to the side end of the lower mold (3), the side end of the side plate (601) is fixedly connected with a motor (602), the output end of the motor (602) is provided with a rotating rod (603), and the side end of the rotating rod (603) is fixedly connected with a dial plate (604).

7. A plastic keg body forming mold according to claim 6, wherein: The outer shape of one end of the dial plate (604) is provided in an arc shape, and the other end of the dial plate (604) is provided in a convex shape.

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