A plastic injection head plate mold without sand cleaning

Abstract

The utility model relates to the technical field of injection molding machine processing, and discloses a shot glue head plate mold that does not require sand cleaning, including an upper box and a lower box, the upper box is arranged on the lower box, the upper box includes a shot glue tie rod mounting platform cavity, a shot glue cylinder mounting hole cavity and a fast moving cylinder seat mounting platform cavity, and the upper parts of both sides of the upper box are provided with casting ports, and the lower box is provided with a cavity and a core adapted to the shot glue head plate to be formed, and the core includes a shot glue support channel forming part, a melt barrel forming part, a support seat track forming part and an injection drill rod rotating hole forming part, and the docking position of the upper box and the lower box constitutes a mold parting surface, and the mold parting surface passes through the shot glue support channel forming part. By changing the parting surface, the narrow gap between the shot glue support forming part and the bottom of the cavity is eliminated, and sand cleaning is not required, thereby improving the casting quality.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine processing, in particular to a plastic injection head plate mold which does not require sand cleaning. Background Art

[0002] Sand casting is a casting method that uses sand as the main molding material to prepare the mold. Sand casting is the most traditional casting method. Due to its own characteristics: it is not limited by the shape, size, complexity and alloy type of parts, the production cycle is short and the cost is low, so sand casting is still the most widely used casting method in casting production, especially for single or small batch castings! For example, the casting of the injection head plate.

[0003] The injection head plate mold includes an upper box and a lower box. The upper box includes an injection rod mounting platform cavity, an injection cylinder mounting hole cavity and a fast moving cylinder seat mounting platform cavity. The lower box is provided with a cavity and a core adapted to the injection head plate to be formed. The core includes an injection bracket channel forming part 4, a molten rubber barrel forming part, a support seat track forming part and an injection drill rod rotating hole forming part. In the prior art, the parting surface of the injection head plate is arranged at a position perpendicular to the injection bracket channel forming part. This arrangement results in a narrow gap between the injection bracket channel forming part and the bottom cavity, which makes sand cleaning difficult and easily affects the casting quality. Utility Model Content

[0004] The utility model aims to provide a shot-jet head plate mould without sand cleaning, which eliminates the narrow gap between the shot-jet bracket forming part and the bottom of the cavity by changing the parting surface, does not require sand cleaning, and improves the casting quality.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] A glue head plate mold that does not require sand cleaning, comprises an upper box and a lower box, wherein the upper box is arranged on the lower box, the upper box comprises a glue rod mounting platform cavity, a glue cylinder mounting hole cavity and a fast moving cylinder seat mounting platform cavity, and casting ports are arranged on the upper parts of both sides of the upper box, and the lower box is provided with a cavity and a core adapted to the glue head plate to be formed, the core comprises a glue bracket channel forming part, a melt barrel forming part, a support seat track forming part and an injection drill rod rotating hole forming part, and the docking position of the upper box and the lower box constitutes a mold parting surface, and the mold parting surface passes through the glue bracket channel forming part.

[0007] Preferably, the demoulding slopes of the upper box and the lower box are 0.5 to 3°.

[0008] Preferably, a sealing gasket is installed on the outside of the connection between the lower box and the upper box.

[0009] Preferably, it also includes a water cooling warehouse, and the outer sides of the upper box and the lower box are both provided with water cooling warehouses, one side of the water cooling warehouse is provided with a water inlet, and the outer side surfaces of the lower box and the upper box are both in contact with the inner side surfaces of the water cooling warehouse.

[0010] Preferably, a handle is fixed to the top of the upper box.

[0011] Preferably, an ejection mechanism is provided below the lower box.

[0012] Preferably, the ejection structure includes a micro electric push rod, a lifting plate, an ejection block, a slider, a limit plate and a slide groove; the micro electric push rod is fixed above the middle part of the lower box, and the lifting plate is installed above the micro electric push rod; the ejection block is fixed above the lifting plate, and sliders are fixed at both ends of the lifting plate; the limit plates are installed on both sides of the micro electric push rod, and a slide groove adapted to the slider is provided on one side of the inner wall of the limit plate.

[0013] Preferably, the symmetry centers of the ejection block and the lifting plate coincide with the symmetry center of the lower box, and the lifting plate forms a liftable structure through a micro electric push rod.

[0014] According to the records of the above scheme, the utility model discloses the following technical effects: by arranging the upper box on the lower box, the upper box includes a shot blasting pull rod mounting platform cavity, a shot blasting cylinder mounting hole cavity and a fast moving cylinder seat mounting platform cavity, casting ports are arranged on the upper parts of both sides of the upper box, and the lower box is provided with a cavity and a core adapted to the shot blasting head plate to be formed, the core includes a shot blasting bracket channel forming part, a melt barrel forming part, a support seat track forming part and an injection drill rod rotating hole forming part, the docking position of the upper box and the lower box constitutes a mold parting surface, the mold parting surface passes through the shot blasting bracket channel forming part, and the parting surface passes through the shot blasting bracket channel forming part. In this way, there is no narrow gap between the shot blasting bracket channel forming part and the cavity, and no sand cleaning is required, that is, the narrow gap between the shot blasting bracket forming part and the cavity is eliminated, so that the shot blasting head plate mold does not need to be sand cleaned during demolding, thereby solving the problem of difficult sand cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 Axonometric view of the upper box of the injection molding head plate mold without sand cleaning provided by the embodiment of the utility model;

[0017] Figure 2Another angle of the axonometric view of the upper box of the injection molding head plate mold without sand cleaning provided by the embodiment of the utility model;

[0018] Figure 3 Axonometric view of the lower box of the injection molding head plate mold without sand cleaning provided by the embodiment of the utility model;

[0019] 1. Injection rod mounting platform cavity; 2. Injection cylinder mounting hole cavity; 3. Rapid moving cylinder seat mounting platform cavity; 4. Injection bracket channel forming part; 5. Support seat track forming part; 6. Injection drill rod rotating hole forming part; 7. Melt barrel forming part.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model aims to provide a shot-jet head plate mould without sand cleaning, which eliminates the narrow gap between the shot-jet bracket forming part and the bottom of the cavity by changing the parting surface, does not require sand cleaning, and improves the casting quality.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] like Figures 1 to 3 As shown, the embodiment of the present specification provides a glue head plate mold that does not require sand cleaning, including an upper box and a lower box, the upper box is arranged on the lower box, the upper box includes a glue rod mounting platform cavity 1, a glue cylinder mounting hole cavity 2 and a fast moving cylinder seat mounting platform cavity 3, and casting ports are arranged on the upper parts of both sides of the upper box, and the lower box is provided with a cavity and a core adapted to the glue head plate to be formed, and the core includes a glue bracket channel forming part 4, a molten glue barrel forming part 7, a support seat track forming part 5 and an injection drill rod rotating hole forming part 6, and the docking position of the upper box and the lower box constitutes a mold parting surface, and the mold parting surface passes through the glue bracket channel forming part 4.

[0024] By setting the upper box on the lower box, the upper box includes a shot-jet tie rod mounting platform cavity 1, a shot-jet cylinder mounting hole cavity 2 and a fast-moving cylinder seat mounting platform cavity 3, and casting ports are arranged on the upper parts of both sides of the upper box. The lower box is provided with a cavity and a core adapted to the shot-jet head plate to be formed, and the core includes a shot-jet bracket channel forming part 4, a melt barrel forming part 7, a support seat track forming part 5 and an injection drill rod rotating hole forming part 6. The docking position of the upper box and the lower box constitutes a mold parting surface, and the mold parting surface passes through the shot-jet bracket channel forming part 4. The parting surface passes through the shot-jet bracket channel forming part 4, thereby eliminating the narrow gap between the shot-jet bracket forming part and the cavity, so that the shot-jet head plate mold does not need to be sand-cleaned during demolding, thereby solving the problem of difficult sand cleaning.

[0025] The demoulding angle of the upper box and the lower box is 0.5 to 3 degrees, which is convenient for demoulding.

[0026] A sealing gasket is installed on the outside of the connection between the lower box and the upper box, which is conducive to improving the sealing performance.

[0027] The embodiment of this specification also includes a water cooling bin, and water cooling bins are provided on the outer sides of the upper box and the lower box. A water inlet is provided on one side of the water cooling bin, and the outer side surfaces of the lower box and the upper box are both in contact with the inner side surfaces of the water cooling bin. This arrangement speeds up the cooling speed of the casting.

[0028] A handle is fixed on the top of the upper box, which makes it easy to move the upper box.

[0029] An ejection mechanism is arranged below the lower box, and is used for ejecting the mold in the lower box.

[0030] The ejection structure includes a micro electric push rod, a lifting plate, an ejection block, a slider, a limit plate and a slide groove. The micro electric push rod is fixed on the upper middle part of the lower box, and the lifting plate is installed above the micro electric push rod. The ejection block is fixed above the lifting plate, and sliders are fixed at both ends of the lifting plate. The limit plates are installed on both sides of the micro electric push rod, and a slide groove adapted to the slider is provided on one side of the inner wall of the limit plate.

[0031] The symmetry centers of the ejection block and the lifting plate coincide with the symmetry center of the lower box, and the lifting plate forms a liftable structure through a micro electric push rod, which is convenient for ejecting the castings from the lower box.

[0032] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0033] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A plastic injection head plate mold that does not require sand cleaning, characterized in that: It comprises an upper box and a lower box, wherein the upper box is arranged on the lower box, the upper box comprises a shot-jet pull rod mounting platform cavity, a shot-jet oil cylinder mounting hole cavity and a fast-moving oil cylinder seat mounting platform cavity, and casting ports are arranged at the upper parts of both sides of the upper box, and the lower box is provided with a cavity and a core adapted to the shot-jet head plate to be formed, and the core comprises a shot-jet bracket channel forming part, a melt barrel forming part, a support seat track forming part and an injection drill rod rotating hole forming part, and the docking position of the upper box and the lower box constitutes a mold parting surface, and the mold parting surface passes through the shot-jet bracket channel forming part.

2. The injection molding head plate mold without sand cleaning according to claim 1 is characterized in that: The demoulding slopes of the upper box and the lower box are 0.5 to 3 degrees.

3. The injection head plate mold without sand cleaning according to claim 1, characterized in that: A sealing gasket is installed on the outside of the connection between the lower box and the upper box.

4. The injection molding head plate mold without sand cleaning according to claim 1, characterized in that: It also includes a water cooling bin, which is disposed on the outer sides of the upper box and the lower box, a water inlet is disposed on one side of the water cooling bin, and the outer side surfaces of the lower box and the upper box are both in contact with the inner side surfaces of the water cooling bin.

5. The injection molding head plate mold without sand cleaning according to any one of claims 1 to 4, characterized in that: A handle is fixed on the top of the upper box.

6. The injection molding head plate mold without sand cleaning according to claim 1, characterized in that: An ejection mechanism is arranged below the lower box.

7. The injection molding head plate mold without sand cleaning according to claim 6, characterized in that: The ejection mechanism includes a micro electric push rod, a lifting plate, an ejection block, a slider, a limit plate and a slide groove. The micro electric push rod is fixed on the upper middle part of the lower box, and the lifting plate is installed above the micro electric push rod. The ejection block is fixed above the lifting plate, and sliders are fixed at both ends of the lifting plate. The limit plates are installed on both sides of the micro electric push rod, and a slide groove adapted to the slider is provided on one side of the inner wall of the limit plate.

8. The injection molding head plate mold without sand cleaning according to claim 7, characterized in that: The symmetry centers of the ejection block and the lifting plate coincide with the symmetry center of the lower box, and the lifting plate forms a liftable structure through a micro electric push rod.

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