Die convenient for cleaning waste materials

Abstract

The utility model relates to the technical field of dies, in particular to a die convenient for cleaning waste materials, which comprises a base, the top surface of the base is fixedly connected with a lower die, and the top surface of the lower die is provided with a plurality of symmetrically arranged guide holes. The device has the advantages that after materials are cooled, the air cylinder is started to drive the lifting plate to move downwards, the lifting plate can slide relative to the limiting rod, the movement of the lifting plate can be conveniently guided, the movement of the lifting plate is more stable, at the moment, the cut-off plate can move downwards, the materials in the overflow groove can be cut off, and the cutting-off effect is good. According to the injection molding die, a workpiece can be separated from waste materials, then the upper die is driven by the hydraulic assembly to move upwards, the waste materials and the workpiece can be ejected out of the waste material groove and the cavity through the ejector pin mechanism on the lower die, finally, the waste materials and the workpiece are taken out, the waste materials and the workpiece can be separated in the injection molding process, and follow-up secondary machining is not needed; and the production efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a mold that facilitates the cleaning of waste materials. Background Technology

[0002] Injection molds are indispensable key components in the plastic molding process, especially in the production of various hollow plastic products, such as plastic bottles, buckets, and cans. Their working principle involves injecting molten plastic raw material into the mold cavity, followed by the inflation of the molten plastic by high-pressure gas, forcing it to adhere tightly to the inner wall of the mold and form the final product. The design of injection molds must precisely match the shape and size of the desired product to ensure that the produced plastic products not only have an attractive appearance but also excellent structural strength and sealing performance.

[0003] Current injection molds typically feature overflow channels on the outside of the cavity. This design aims to help balance the pressure inside the mold and improve injection molding quality. However, after the molten plastic flows into the overflow channel and cools, this material needs to be cut off. In the current injection molding process, the workpiece and scrap are removed together after the mold opens, and then the scrap is removed by a cutting device. This process is relatively complex, increasing production costs and reducing production efficiency. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to provide a mold that facilitates waste removal, so as to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.

[0006] To achieve the above objectives, one embodiment of this utility model provides a mold for easy waste removal, comprising a base, a lower mold fixedly connected to the top surface of the base, a plurality of symmetrically arranged guide holes on the top surface of the lower mold, a guide rod slidably connected to the inner wall of each guide hole, an upper mold fixedly connected to the top end of the plurality of guide rods, the bottom surface of the upper mold fitting against the top surface of the lower mold, cavities formed on both the bottom surface of the upper mold and the top surface of the lower mold, and a waste groove and a plurality of symmetrically arranged overflows on the top surface of the lower mold. The cavity is connected to the waste material tank through several overflow channels. The top surface of the upper mold has a sliding groove, and the inner wall of the sliding groove is slidably connected to a lifting plate. The bottom surface of the lifting plate is fixedly connected to several symmetrically arranged cut-off plates, and the cut-off plates are slidably connected to the upper mold. The cut-off plates correspond to the overflow channels above and below. The top of the upper mold is fixedly installed with a top plate by bolts. The bottom surface of the top plate is fixedly connected to two symmetrically arranged cylinders, and the output ends of the two cylinders are fixedly connected to the lifting plate.

[0007] Preferably, as described in any of the above embodiments, the top surface of the top plate is provided with a feed inlet, and the top plate is parallel to the base.

[0008] Preferably, in any of the above embodiments, the inner wall of the chute is fixedly connected with a number of symmetrically arranged limiting rods, and the top surface of the lifting plate is provided with a number of symmetrically arranged limiting holes, and the lifting plate is slidably connected to the number of limiting rods through the number of limiting holes.

[0009] Preferably, the bottom surface of the top plate has a plurality of symmetrically arranged pin holes, and the top ends of the plurality of limiting rods are respectively inserted into the plurality of pin holes.

[0010] Preferably, the bottom surface of the upper mold has several symmetrically arranged storage slots, and the several cut plates are slidably connected to the upper mold through the storage slots.

[0011] Preferably, as described in any of the above embodiments, a sealing ring is provided on the bottom surface of the top plate, and a sealing groove is provided on the top surface of the upper mold, wherein the sealing ring is slidably connected to the upper mold through the sealing groove.

[0012] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0013] 1. When injection molding is required, material is injected into the mold through the feed port. The material flows into the inner wall of the cavity. After the cavity is filled with material, the material flows into the waste material tank along the overflow channel. After the material cools down, the cylinder is activated to drive the lifting plate downward. The lifting plate will slide relative to the limit rod to guide the movement of the lifting plate and make its movement more stable. At this time, the cutting plate will move downward to cut off the material in the overflow channel, separating the workpiece from the waste material. Then, the upper mold is driven upward by the hydraulic components. Through the ejector pin mechanism on the lower mold, the waste material and the workpiece can be ejected from the waste material tank and the cavity. Finally, the waste material and the workpiece can be removed separately. The separation of waste material and workpiece can be carried out during the injection molding process without the need for subsequent secondary processing, which greatly improves production efficiency.

[0014] 2. After the workpiece is removed from the lower mold, the upper mold is reset by the hydraulic assembly. At this time, the cylinder is activated to move the lifting plate upward until the bottom surface of the cutting plate coincides with the bottom surface of the upper mold. This allows for rapid reset of the cutting plate and can also seal the receiving groove to prevent material from flowing back into the receiving groove and affecting the sliding of the cutting plate. The bolts locking the top plate are removed to release the locking of the top plate. Then, the top plate is pulled upward to move it upward until the lifting plate has completely moved out of the slide groove. This exposes the cylinder for easy maintenance. After maintenance, the bolts are used to relock the top plate onto the upper mold. At this time, the top of the limit rod is engaged with the top plate through the pin hole, which makes the connection between the top plate and the upper mold more stable. At this time, the sealing ring will be inserted into the sealing groove, which greatly improves the sealing performance between the top plate and the upper mold. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the assembly of this utility model;

[0016] Figure 2 This is an exploded structural diagram of the assembly of this utility model;

[0017] Figure 3 This is a schematic diagram of the lower mold of this utility model;

[0018] Figure 4 This is a first-view structural diagram of the upper mold of this utility model;

[0019] Figure 5 This is a schematic diagram of the upper mold structure from a second perspective of the present invention;

[0020] Figure 6 This is a schematic diagram of the top plate of this utility model.

[0021] In the diagram: 1-base, 2-lower mold, 3-guide hole, 4-guide rod, 5-upper mold, 6-cavity, 61-waste trough, 7-overflow trough, 8-slide groove, 9-lifting plate, 10-cut-off plate, 11-top plate, 12-cylinder, 13-feed inlet, 14-limiting rod, 15-limiting hole, 16-pin hole, 18-storage groove, 19-sealing ring, 20-sealing groove. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited thereto.

[0023] like Figures 1 to 6As shown, a mold for easy waste removal includes a base 1. A lower mold 2 is fixedly connected to the top surface of the base 1. The top surface of the lower mold 2 has several symmetrically arranged guide holes 3. A guide rod 4 is slidably connected to the inner wall of each guide hole 3. An upper mold 5 is fixedly connected to the top of the guide rods 4. The bottom surface of the upper mold 5 is in contact with the top surface of the lower mold 2. Both the bottom surface of the upper mold 5 and the top surface of the lower mold 2 have cavities 6. The top surface of the lower mold 2 has a waste groove 61 and several symmetrically arranged overflow grooves 7. The cavity 6 is filled with waste material through the several overflow grooves. The groove 7 is connected to the waste groove 61. The top surface of the upper mold 5 is provided with a sliding groove 8. The inner wall of the sliding groove 8 is slidably connected to a lifting plate 9. The bottom surface of the lifting plate 9 is fixedly connected to several symmetrically arranged cut-off plates 10. The cut-off plates 10 are all slidably connected to the upper mold 5. The cut-off plates 10 correspond to several overflow grooves 7 vertically. The top of the upper mold 5 is fixedly installed with a top plate 11 by bolts. The bottom surface of the top plate 11 is fixedly connected to two symmetrically arranged cylinders 12. The output ends of the two cylinders 12 are fixedly connected to the lifting plate 9.

[0024] As an optional technical solution of this utility model, the top plate 11 has a feed inlet 13 on its top surface. The top plate 11 is parallel to the base 1. Material is injected into the mold through the feed inlet 13. The material flows into the inner wall of the cavity 6. After the cavity 6 is filled with material, the material will flow into the waste material tank 61 along the overflow groove 7.

[0025] As an optional technical solution of this utility model, the inner wall of the slide 8 is fixedly connected with a number of symmetrically arranged limiting rods 14, and the top surface of the lifting plate 9 is provided with a number of symmetrically arranged limiting holes 15. The lifting plate 9 is slidably connected to the limiting rods 14 through the limiting holes 15. When the cylinder 12 is turned on, it drives the lifting plate 9 to move downward. The lifting plate 9 will slide relative to the limiting rods 14, which facilitates the guidance of the movement of the lifting plate 9 and makes its movement more stable.

[0026] As an optional technical solution of this utility model, the bottom surface of the top plate 11 is provided with a number of symmetrically arranged pin holes 16, and the top ends of a number of limiting rods 14 are respectively inserted into the pin holes 16. After the maintenance work is completed, the top plate 11 is locked onto the upper mold 5 again with bolts 11. At this time, the top ends of the limiting rods 14 are engaged with the top plate 11 through the pin holes 16, which can make the connection between the top plate 11 and the upper mold 5 more stable.

[0027] As an optional technical solution of this utility model, the bottom surface of the upper mold 5 is provided with a number of symmetrically arranged storage slots 18, and a number of cutting plates 10 are slidably connected to the upper mold 5 through the storage slots 18. The cylinder 12 is activated to drive the lifting plate 9 to move upward until the bottom surface of the cutting plate 10 coincides with the bottom surface of the upper mold 5. This can realize the rapid reset of the cutting plate 10, and can also block the storage slots 18 to prevent the material from flowing back into the storage slots 18 and affecting the sliding of the cutting plate 10.

[0028] As an optional technical solution of this utility model, a sealing ring 19 is provided on the bottom surface of the top plate 11, and a sealing groove 20 is provided on the top surface of the upper mold 5. The sealing ring 19 is slidably connected to the upper mold 5 through the sealing groove 20, and the sealing ring 19 is inserted into the sealing groove 20, which greatly improves the sealing performance between the top plate 11 and the upper mold 5.

[0029] A mold that facilitates waste removal works as follows:

[0030] 1): When injection molding is required, material can be injected into the mold through the feed port 13. The material flows into the inner wall of the cavity 6. After the cavity 6 is filled with material, the material will flow into the waste material tank 61 along the overflow groove 7.

[0031] 2): After the material cools down, the cylinder 12 is turned on to drive the lifting plate 9 to move downward. The lifting plate 9 will slide relative to the limit rod 14 to guide the movement of the lifting plate 9 and make its movement more stable. At this time, the cutting plate 10 will move downward to cut off the material inside the overflow tank 7.

[0032] 3): The upper mold 5 is driven to move upward by the hydraulic components. The ejector mechanism on the lower mold 2 can eject the waste material and the workpiece from the waste material groove 61 and the cavity 6. Finally, the waste material and the workpiece can be taken out separately. The separation of waste material and workpiece can be carried out during the injection molding process.

[0033] In summary, this mold, which facilitates waste removal, allows material to be injected into the mold through the inlet 13 during injection molding. The material flows into the inner wall of the cavity 6, and after the cavity 6 is filled with material, it flows into the waste trough 61 along the overflow groove 7. After the material cools, the cylinder 12 is activated to move the lifting plate 9 downward. The lifting plate 9 will slide relative to the limit rod 14, which guides the movement of the lifting plate 9 and makes its movement more stable. At this time, the cutting plate 10 will move downward to cut off the material in the overflow groove 7, separating the workpiece from the waste. Then, the upper mold 5 is moved upward by the hydraulic components, and the waste and workpiece are ejected from the waste trough 61 and the cavity 6 through the ejector pin mechanism on the lower mold 2. Finally, the waste and workpiece can be removed separately. The separation of waste and workpiece can be carried out during the injection molding process without the need for subsequent secondary processing, which greatly improves production efficiency. After removal, the upper mold 5 is reset by the hydraulic components. At this time, the cylinder 12 is activated to move the lifting plate 9 upward until the bottom surface of the cutting plate 10 coincides with the bottom surface of the upper mold 5. This allows for the rapid reset of the cutting plate 10 and can also seal the receiving groove 18 to prevent material from flowing back into the receiving groove 18 and affecting the sliding of the cutting plate 10. The bolts locking the top plate 11 are removed to release the lock on the top plate 11. Then, the top plate 11 is pulled upward to move it upward until the lifting plate 9 moves completely out of the slide groove 8. This exposes the cylinder 12 for easy maintenance. After maintenance, the bolts 11 are used to relock the top plate 11 onto the upper mold 5. At this time, the top of the limit rod 14 is engaged with the top plate 11 through the pin hole 16, which makes the connection between the top plate 11 and the upper mold 5 more stable. At this time, the sealing ring 19 is inserted into the sealing groove 20, which greatly improves the sealing performance between the top plate 11 and the upper mold 5.

Claims

1. A mold facilitating cleanup of waste material, characterized by: The utility model relates to a kind of moulding machine, including base (1), the top surface of the base (1) is fixedly connected with lower mould (2), the top surface of the lower mould (2) is equipped with several symmetrically arranged guide holes (3), the inner wall of each guide hole (3) is slidably connected with one guide rod (4), the top end of several guide rods (4) is fixedly connected with upper mould (5), the bottom surface of the upper mould (5) is consistent with the top surface of lower mould (2), the bottom surface of the upper mould (5) and the top surface of lower mould (2) are all equipped with cavity (6), the top surface of the lower mould (2) is equipped with waste groove (61) and several symmetrically arranged overflow groove (7), the cavity (6) is communicated with waste groove (61) by several overflow groove (7), the top surface of the upper mould (5) is equipped with sliding slot (8), the inner wall of the sliding slot (8) is slidably connected with lifting plate (9), the bottom surface of the lifting plate (9) is fixedly connected with several symmetrically arranged intercepting plate (10), several intercepting plate (10) are all slidably connected with upper mould (5), several intercepting plate (10) are respectively above and below corresponding with several overflow groove (7), the top of the upper mould (5) is fixedly installed with top plate (11) by bolt, the bottom surface of the top plate (11) is fixedly connected with two symmetrically arranged air cylinders (12), and the output end of two air cylinders (12) is all fixedly connected with lifting plate (9).

2. The mold of claim 1, wherein: The top surface of the top plate (11) is equipped with feed inlet (13), and the top plate (11) is parallel to the base (1).

3. A mold facilitating waste clean-up according to claim 2, wherein: The inner wall of the sliding slot (8) is fixedly connected with several symmetrically arranged limiting rods (14), and the top surface of the lifting plate (9) is penetrated and equipped with several symmetrically arranged limiting holes (15), and the lifting plate (9) is slidably connected with several limiting rods (14) by several limiting holes (15).

4. A mold facilitating waste removal according to claim 3, wherein: The bottom surface of the top plate (11) is equipped with several symmetrically arranged pin holes (16), and the top end of several limiting rods (14) is respectively inserted into several pin holes (16).

5. A mold facilitating waste removal according to claim 4, wherein: The bottom surface of the upper mould (5) is equipped with several symmetrically arranged receiving grooves (18), and several intercepting plate (10) are slidably connected with the upper mould (5) by the receiving grooves (18).

6. A mold facilitating waste clean-up according to claim 5, wherein: The bottom surface of the top plate (11) is equipped with sealing ring (19), the top surface of the upper mould (5) is equipped with sealing groove (20), and the sealing ring (19) is slidably connected with the upper mould (5) by the sealing groove (20).

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