Dust collection barrel shell forming die

Abstract

The utility model discloses a dust collecting barrel shell forming die which comprises an upper die and a lower die, the upper die is provided with a cavity used for forming the appearance of a dust collecting barrel shell, the lower die is provided with a male die matched with the cavity and used for forming an internal structure of the dust collecting barrel shell, and the upper die and the lower die are designed in a modularized mode. When a certain module is abraded or damaged, the module can be independently replaced, and the whole mold does not need to be replaced. The forming precision, the production efficiency and the service life of the dust collection barrel shell forming die are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould manufacturing technical field especially is related to a dust collecting barrel shell forming die. BACKGROUND

[0002] With the continuous development of household appliance market, as the essential tool of family cleaning, the market demand of dust collector is continuously growing. As an important part of dust collector, the forming quality and efficiency of dust collecting barrel shell directly affect the overall performance and production cost of dust collector. At present, although there are some forming dies for the production of dust collecting barrel shell, the forming precision, production efficiency and service life of the die still need to be improved.

[0003] The traditional forming die cannot meet the high-precision forming requirements when producing dust collecting barrel shell due to the limitations of structure design and manufacturing process. At the same time, after long-term use, the die is prone to wear and deformation, which further affects the forming quality of the product. UTILITY MODEL CONTENTS

[0004] The application provides a dust collecting barrel shell forming die, which can improve the forming precision, production efficiency and service life of the dust collecting barrel shell forming die.

[0005] The dust collecting barrel shell forming die provided by the application adopts the following technical scheme:

[0006] A dust collecting barrel shell forming die, comprising an upper die and a lower die, the upper die is provided with a cavity for forming the shape of the dust collecting barrel shell, and the lower die is provided with a convex die matched with the cavity for forming the internal structure of the dust collecting barrel shell, the upper die and the lower die are designed in a modular manner, so that when a certain module is worn or damaged, the module can be replaced individually without replacing the entire die.

[0007] By adopting the above technical scheme, when in use, the dust collecting barrel shell forming die designed by the utility model is used to combine the upper die and the lower die, form the internal structure of the dust collecting barrel shell by using the cavity provided on the upper die and the convex die provided on the lower die, and then perform injection molding. In the injection molding die, the upper die and the lower die are designed in a modular manner, so that when a certain module is damaged, the module can be replaced, thereby reducing the maintenance cost of the die and improving the use convenience. At the same time, by optimizing the design of the cavity and the convex die in the die, the forming precision and production efficiency are improved.

[0008] Preferably, a plurality of cooling channels are arranged inside the cavity of the upper die, and the cooling channels are filled with cooling liquid. The circulation of the cooling liquid can accelerate the cooling speed of the die, thereby improving the production efficiency.

[0009] By adopting the technical scheme, the circulating flow of the cooling liquid can quickly take away the heat in the mold, shortens the cooling time after each molding, and enables the mold to be prepared for the next molding operation faster, thereby greatly improving the continuity and efficiency of production.

[0010] Preferably, the top of the upper mold is provided with an injection port, and the injection port is connected with an injection channel.

[0011] By adopting the technical scheme, the top of the upper mold is provided with an injection port, and the injection channel is used to inject the molten plastic material into the cavity, so that the molten plastic material can uniformly and quickly fill the cavity, thereby improving the quality and production efficiency of injection molding.

[0012] Preferably, the convex mold surface of the lower mold is coated with a wear-resistant coating to reduce wear of the mold during use.

[0013] By adopting the technical scheme, the convex mold surface is coated with a wear-resistant coating, which effectively reduces the wear of the mold during use, prolongs the service life of the mold, and reduces the maintenance cost.

[0014] Preferably, a plurality of fixing blocks are arranged on the lower mold, and the fixing blocks are used to fix the convex mold on the lower mold to keep the convex mold stable.

[0015] By adopting the technical scheme, the design of the fixing blocks can effectively prevent the convex mold from being displaced or loosened during molding, thereby improving the service life of the mold and the quality of the molded product.

[0016] Preferably, an ejection mechanism is arranged on the lower mold, which enables the molded dust bucket shell to be automatically demolded, further improving the production efficiency, and the ejection mechanism can be a pneumatic or hydraulic ejection mechanism.

[0017] By adopting the technical scheme, the ejection mechanism arranged on the lower mold enables the molded dust bucket shell to be automatically demolded, thereby significantly improving the production efficiency. The ejection mechanism adopts a pneumatic or hydraulic mode to ensure the reliability and stability of the demolding process, reduces the need for manual intervention, and further improves the degree of automation.

[0018] Preferably, a positioning device is arranged between the upper mold and the lower mold to ensure the positional accuracy when the mold is closed, and the positioning device includes a positioning rod arranged on the upper mold and a positioning sleeve (92) arranged on the lower mold, and the positioning rod is inserted into the positioning sleeve for mold positioning.

[0019] By adopting the technical scheme, when in use, the positioning device comprises the positioning rod on the upper die and the positioning sleeve on the lower die, the positioning rod is inserted into the positioning sleeve for mold closing positioning, so that the position accuracy during mold closing can be ensured, product defects caused by position deviation can be avoided, and the product qualification rate and production efficiency are improved.

[0020] Preferably, the bottom of the positioning sleeve is provided with a support plate, and the support plate is fixed on the lower die through bolts, thereby improving the stability of the positioning device.

[0021] By adopting the technical scheme, when in use, the support plate is fixed on the lower die through bolts, thereby improving the stability of the positioning device, ensuring the position accuracy during mold closing, reducing product defects caused by position deviation, and improving the product qualification rate.

[0022] To sum up, the present application has the following beneficial effects:

[0023] 1. The dust collecting barrel shell forming die is modularly designed, so that when a part of the dust collecting barrel shell forming die is worn or damaged, the part can be replaced alone, the entire die does not need to be replaced, the maintenance and replacement costs are greatly reduced, and the production interruption time caused by die failure is reduced.

[0024] 2. The dust collecting barrel shell forming die is designed, a plurality of cooling channels are arranged in the cavity of the upper die and filled with cooling liquid, the cooling speed of the die is accelerated by circulating the cooling liquid, the production efficiency is effectively improved, and the product forming cycle is shortened.

[0025] 3. The dust collecting barrel shell forming die is designed, the surface of the male die of the lower die is coated with a wear-resistant coating, the wear of the die during use is reduced, the service life of the die is prolonged, and the quality and consistency of the product are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 is a structural diagram of an embodiment;

[0027] Fig. 2 is a structural schematic view showing a cavity and a male die in an embodiment;

[0028] Fig. 3 is a structural schematic view showing a positioning device in an embodiment;

[0029] BRIEF DESCRIPTION OF DRAWINGS 1, upper die; 2, upper die; 3, cavity; 4, male die; 5, cooling channel; 6, injection port; 7, fixed block; 8, ejection mechanism; 9, positioning device; 91, positioning rod; 92, positioning sleeve; 10, support plate. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "bottom," and "top" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0031] This utility model discloses a molding die for forming the outer shell of a dust collection bin, such as... Figs. 1 to 3 As shown, it includes an upper mold 1 and a lower mold 2. The upper mold 1 is provided with a cavity 3 for forming the shape of the dust collection bucket shell. The upper mold 1 and the lower mold 2 adopt a modular design. When a module is worn or damaged, the module can be replaced individually without replacing the entire mold. The mating surfaces of the upper mold 1 and the lower mold 2 are precision ground to ensure mold closing accuracy and sealing. The flatness of the mating surfaces can reach the micron level to avoid material leakage caused by poor mold closing. The mating surfaces can be ground with hard alloy material to improve durability and accuracy. A positioning device 9 is provided between the upper mold 1 and the lower mold 2 to ensure positional accuracy during mold closing. The positioning device 9 includes a positioning rod 91 on the upper mold 1 and a positioning sleeve on the lower mold 2. The positioning rod 91 is inserted into the positioning sleeve 92 for mold closing positioning. The positioning rod 91 and the positioning sleeve 92 can be precision machined to ensure high-precision fit. The positioning rod 91 can be made of high-strength alloy steel, and the positioning sleeve 92 can be made of wear-resistant material to extend service life. A support plate 10 is provided at the bottom of the positioning sleeve 92. The support plate 10 is fixed to the lower mold with bolts to improve the stability of the positioning device 9.

[0032] Multiple cooling channels 5 are provided inside the cavity 3 of the upper mold 1. The cooling channels 5 are filled with coolant, and the cooling speed of the mold is accelerated by circulating the coolant, thereby improving production efficiency. The top of the upper mold 1 is provided with an injection port 6, which is connected to an injection channel. Molten plastic material is injected into the cavity 3 through the injection channel. The injection port 6 can be made of stainless steel to prevent deformation and corrosion at high temperatures. The injection channel can be designed in a conical shape to facilitate the flow of molten plastic.

[0033] The lower mold 2 includes a male mold 4 for forming the internal structure of the dust collecting barrel shell, a fixing block 7 for fixing the male mold 4 on the lower mold 2 to keep the male mold 4 stable, and an ejection mechanism 8 for automatic demolding of the formed dust collecting barrel shell, further improving production efficiency. The fixing block 7 can be made of high-strength metal to withstand greater pressure, and can be designed in square or circular shape according to actual conditions. The ejection mechanism 8 can be a pneumatic or hydraulic ejection mechanism 8, which can ensure quick and smooth demolding action. The ejection rod can be made of stainless steel to prevent rust and corrosion.

[0034] Working principle: The dust collecting barrel shell forming die designed by the utility model can be individually replaced when a part is worn or damaged, which reduces the maintenance cost. The setting of the cooling channel 5 accelerates the cooling speed of the mold and improves the production efficiency. The design of the injection port 6 and the injection channel ensures the smooth injection of molten plastic. The wear-resistant coating on the surface of the male mold 4 reduces the wear of the mold and prolongs the service life. The design of the fixing block 7 and the ejection mechanism 8 ensures the stability and automatic demolding of the mold. In summary, the embodiment improves the forming precision, production efficiency and service life of the dust collecting barrel shell forming die through various optimization designs.

[0035] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A dust bin shell forming mold characterized by: The utility model relates to a dust collecting barrel shell forming die, including upper die (1) and lower die (2), the upper die (1) is equipped with cavity (3) for forming the shape of dust collecting barrel shell, the lower die (2) is equipped with with cavity (3) matched male die (4) for forming the internal structure of dust collecting barrel shell, the upper die (1) and lower die (2) adopt modular design, when a certain module wears or is damaged, the module can be replaced individually, and the whole mould need not be replaced.

2. The dust bin shell forming mold according to claim 1, wherein: The cavity (3) of the upper die (1) is internally provided with a plurality of cooling channels (5) filled with cooling liquid, and the cooling speed of the die is accelerated by circulating the cooling liquid, thereby improving the production efficiency.

3. The dust bin shell forming mold according to claim 1, wherein: The top of the upper die (1) is provided with an injection port (6) connected with an injection channel for injecting molten plastic material into the cavity (3).

4. The dust bin shell forming mold according to claim 1, wherein: The male die (4) of the lower die (2) is coated with a wear-resistant coating to reduce wear of the die during use.

5. The dust bin shell forming mold according to claim 1, wherein: The lower die (2) is provided with a plurality of fixing blocks (7) for fixing the male die (4) on the lower die (2) to keep the male die (4) stable.

6. The dust bin shell forming mold according to claim 1, wherein: The lower die (2) is provided with an ejection mechanism (8) for automatically demolding the formed dust collecting barrel shell, further improving the production efficiency, and the ejection mechanism (8) can be a pneumatic or hydraulic ejection mechanism (8).

7. The dust bin shell forming mold according to claim 1, wherein: The upper die (1) and the lower die (2) are provided with a positioning device (9) for ensuring the position accuracy when the die is closed, the positioning device (9) includes a positioning rod (91) provided on the upper die (1) and a positioning sleeve (92) on the lower die (2), and the positioning rod (91) is inserted into the positioning sleeve (92) for die closing positioning.

8. The dust bin shell forming mold according to claim 7, wherein: The bottom of the positioning sleeve (92) is provided with a support plate (10) fixed on the lower die by bolts to improve the stability of the positioning device.

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