CN216732690U

CN216732690U - Injection mold of oxygen-increasing machine gear box

Info

Publication number: CN216732690U
Application number: CN202123094831.4U
Authority: CN
Inventors: 赵晟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-14
Anticipated expiration: 2031-12-10

Abstract

The utility model provides an injection mold of oxygen-increasing machine gear box. The injection mold comprises a movable mold component, a fixed mold component and a mold core component, wherein the movable mold component comprises a base, two movable modules, two hydraulic cylinders I and two hydraulic cylinders II, the two movable modules are movably and oppositely arranged on the base, the movable modules are driven by the hydraulic cylinders I to move, opposite sides of the two movable modules are respectively provided with a half gear box forming hole, two core columns are respectively fixed in the two half gear box forming holes, the mold core component comprises a movable mold core and a fixed mold core, the lower end of the fixed mold core is a base with a flange structure, the base is arranged on the base, one side of the fixed mold core is provided with an obliquely arranged sliding groove, the sliding groove penetrates through the whole fixed mold core, the movable mold core comprises a guide rail rod and a mold core block, the movable mold core is tightly matched with the sliding groove and is driven by the hydraulic cylinders II to slide, the fixed mold component comprises a shell and a fixed mold plate, the fixed mold plate is arranged in the shell to form the base of the gear box, the movable mould component is arranged on a pushing mechanism of the injection molding machine.

Description

Injection mold of oxygen-increasing machine gear box

Technical Field

The utility model relates to an injection mold, specific injection mold of oxygen-increasing machine gear box that says so.

Background

The aerator is an agricultural machine for aquaculture, and can increase oxygen in water to ensure that fish cannot lack oxygen. Because the aerator is operated in the water-facing environment for a long time, the gearbox of the aerator is used as an important part in the aerator, and the using condition and the service life of the aerator are directly influenced by the quality of the injection molding quality of the gearbox.

In addition, metal inserts are generally injected into the gear box shaft hole at the same time and used for installing a bearing, so that the position of the metal insert is accurately positioned, and the problem that attention is needed in the injection molding process is solved.

SUMMERY OF THE UTILITY MODEL

In view of the defects existing in the injection mold of the existing oxygen-increasing machine gear box, the utility model aims to solve the technical problems that: the injection mold of the gear box of the aerator is more reasonable in design and can effectively improve the injection quality; meanwhile, the injection mold also needs to have the effect of accurately positioning the position of the metal insert and ensuring the precision.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: an injection mold of an aerator gearbox, comprising: movable mould subassembly, cover half subassembly and mold core subassembly, the movable mould subassembly comprises base, movable mould piece, pneumatic cylinder I and pneumatic cylinder II, and movable mould piece, pneumatic cylinder I, pneumatic cylinder II respectively have two, two movable mould piece activities and relative installation on the base, and two movable mould pieces respectively drive by a pneumatic cylinder I and remove, and two movable mould piece opposite sides respectively are equipped with half gear box shaping hole, still respectively are fixed with two stem stems in two half gear box shaping holes, and the stem is stereotyped to the shaft hole of gear box, the mold core subassembly comprises movable mold core and cover half core, and the cover half core lower extreme is the base of flange structure, and the base is established on the base, and cover half core avris is equipped with the sliding tray that the slope set up, and the sliding tray runs through whole cover half, the movable mold core is a guide rail pole, and the guide rail pole top is equipped with the mold core piece, and the length of mold core piece is less than the flange hole internal diameter of shaping gear box, the movable mould core closely cooperates with the sliding tray, and the movable mould core can slide along the sliding tray by the drive of pneumatic cylinder II, and the mold core subassembly is stereotyped gear box flange hole and inner wall when movable mould core top and cover half core top parallel and level, the cover half subassembly comprises casing and fixed die plate, and the fixed die plate is established inside the casing, to the base shaping of gear box, the movable mould subassembly is established on the pushing mechanism of injection molding machine, can be at round trip movement under pushing mechanism's drive.

This injection mold of oxygen-increasing machine gear box is through being divided into movable mold core and cover half core two parts with the mold core subassembly, and the sliding tray slope sets up, realizes drawing of patterns fast, with high quality.

Further, the design that the inclination angle of the sliding groove is 3 degrees is the optimal scheme, so that the occupied space is large when the fixed mold core is ejected due to the small angle, the demolding action is not easy to complete, and the structural damage to the formed gear box in the demolding process due to the large angle is avoided.

Furthermore, be equipped with the locating lever of four perpendicular to bases on the base, the locating lever injection moulding just is used for gear box flange screw hole design. Above-mentioned locating lever design both has been stereotyped for gear box flange screw hole, the guide effect when playing the drawing of patterns again makes whole mould structure become simple.

Further, a step is arranged on the core column. The design can accurately position the position of the metal insert on the gear box.

Compared with the prior art, the utility model has the advantages of: 1. the mold core assembly is divided into a movable mold core and a fixed mold core, and the sliding groove is obliquely arranged, so that the rapid and high-quality demolding is realized; 2. through the design of the positioning rod, the positioning rod not only shapes the flange screw hole of the gear box, but also plays a role in guiding during demolding, so that the whole mold structure becomes simple; 3. the step design on the core column of the movable module can accurately position the position of the metal insert on the gear box.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

figure 1 is the utility model discloses an injection mold part explosion diagram of oxygen-increasing machine gear box.

Fig. 2 is a schematic structural view of the mold core assembly of the present invention.

Fig. 3 is a schematic structural diagram of the cover half assembly of the present invention.

Description of reference numerals: 1. a movable die assembly; 2. a stationary die assembly; 3. a mold core assembly; 4. a base; 5. a movable module; 6. a hydraulic cylinder I; 7. a hydraulic cylinder II; 8. a gear box forming hole; 9. a stem; 10. a step; 11. fixing a mold core; 12. a movable mold core; 13. a base; 14. a sliding groove; 15. positioning a rod; 16. a guide rail rod; 17. a die core block; 18. a housing; 19. and (5) fixing a template.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, the injection mold for the gear box of the oxygen increasing machine provided by the embodiment comprises a movable mold component 1, a fixed mold component 2 and a mold core component 3, wherein the movable mold component 1 comprises a base 4, a movable mold 5, two hydraulic cylinders i 6 and two hydraulic cylinders ii 7, the two hydraulic cylinders i 6 are respectively fixed at the left end and the right end of the base 4, the two movable mold 5 are movably installed on the base 4, the two hydraulic cylinders i 6 can respectively control the two movable mold 5 to slide on the base 4, half gear box forming holes 8 are respectively formed at the opposite sides of the two movable mold 5, after the two movable mold 5 are spliced, the two half gear box forming holes 8 form a complete gear box outline to shape the outer surface of the gear box, two core columns 9 are respectively fixed in the two half gear box forming holes 8, and steps 10 are arranged on the core columns 9, the setting up of step 10 makes things convenient for the manipulator to accurately overlap metal insert on stem 9, and stem 9 is stereotyped to the shaft hole of gear box, and above-mentioned movable mould subassembly 1 is established on the pushing mechanism of injection molding machine, can remove under pushing mechanism's effect.

Referring to fig. 2, the mold core assembly 3 is composed of a movable mold core 12 and a fixed mold core 11, the lower end of the fixed mold core 11 is a base 13 with a flange structure, one side of the fixed mold core 11 is provided with a sliding groove 14, the sliding groove 14 penetrates through the whole fixed mold core 11 up and down, the sliding groove 14 forms a certain angle, preferably 3 degrees, with the central axis of the fixed mold core 11, the base 13 of the fixed mold core 11 is fixed on a base 4, the base 13 is also provided with 4 positioning rods 15 vertical to the base 13, the movable mold core 12 is composed of a guide rail rod 16 and a mold core block 17 at the top of the guide rail rod 16, the length of the mold core block 17 is smaller than the inner diameter of a flange hole of a forming gear box, the guide rail rod 16 and the sliding groove 14 have the same shape and size, so that the guide rail rod 16 is tightly inserted in the sliding groove 14, under the effect of pneumatic cylinder II 7, movable mould core 12 can slide in sliding tray 14, and when movable mould core 12 top and the 11 tops parallel and level of cover half core, the core assembly that both spliced becomes finalizes the design to gear box flange hole and inner wall.

Referring to fig. 3, the fixed mold assembly 3 is composed of a housing 18 and a fixed mold plate 19, the fixed mold plate 19 is disposed inside the housing 18 to mold the base of the gear box, and the fixed mold assembly 2 is fixed to the opposite side of the pushing mechanism.

When the injection molding machine is used, a metal insert is sleeved on a core column 9 by a mechanical arm of the injection molding machine, the hydraulic cylinder II 7 controls the top of a movable mold core 12 and the top of a fixed mold core 11 to be in a parallel and level state, two movable modules 5 are drawn close to the middle under the action of the hydraulic cylinder I6 to wrap a mold core assembly 3, then the movable mold assembly 1 is pushed by a pushing mechanism to draw close towards the fixed mold assembly 2 fixed at the other side of the injection molding machine until the two movable modules 5 are completely wrapped by a shell 18 of the fixed mold assembly 2, at the moment, the fixed mold plate is just embedded at one side orifice of a gear box forming hole 8 after the two movable modules 5 are spliced, a base 13 of the fixed mold core 11 is embedded at the other side orifice of the gear box forming hole 8, the movable mold modules 5, the fixed mold plate 19 and the mold core assembly 3 form a closed space, glue is injected into the space, after the glue is molded, the movable mold assemblies 1 are retracted to an initial position by the pushing mechanism, the movable modules 5 are separated from each other under the action of the hydraulic cylinder I6, the gear box is hung on the mold core assembly 3, then the hydraulic cylinder II 7 is started, the movable mold core 12 is enabled to eject out the gear box along the sliding groove 14, the fixed mold core 11 is separated from the inner wall of the gear box, then the gear box is taken down from the driven mold core 12 through a mechanical arm of the injection molding machine, the hydraulic cylinder II 7 drives the movable mold core 12 to retreat to be flush with the fixed mold core 11, next injection molding action is continued to be circulated, because the included angle between the sliding groove 14 and the central line of the fixed mold core 11 is 3 degrees, the angle when the movable mold core 12 is ejected out is also 3 degrees, the occupied space when the fixed mold core 11 is ejected out is larger due to not too small angle, the demolding action is not easy to finish, structural damage is caused to the molded gear box in the demolding process, meanwhile, four positioning rods 15 on a base 13 of the fixed mold core 11 are injection molded into screw holes of a flange of the gear box, and simultaneously the four positioning rods 15 play a guiding role in the demolding process that the movable mold core 12 ejects out the gear box along the sliding groove 14, the whole mould structure becomes simple.

Through the structural design, the mold core assembly is divided into the movable mold core and the fixed mold core, the sliding angle between the movable mold core and the fixed mold core is 3 degrees, quick and high-quality demolding is realized, and meanwhile, the positioning rod on the base of the movable mold core is shaped for the flange screw hole of the gear box and plays a role in guiding during demolding, so that the whole mold structure becomes simple, two purposes are achieved at one stroke, and the step design on the core column of the movable mold core can accurately position the position of the metal insert on the gear box.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection mold of an aerator gearbox, comprising: movable mould subassembly, cover half subassembly and mold core assembly, the movable mould subassembly comprises base, movable mould piece, pneumatic cylinder I and pneumatic cylinder II, and movable mould piece, pneumatic cylinder I, pneumatic cylinder II respectively have two, two movable mould piece activities and relative installation are on the base, and two movable mould pieces respectively drive the removal by a pneumatic cylinder I, and two movable mould piece opposite sides respectively are equipped with half gear box shaping hole, and two half gear box shaping downthehole still respectively are fixed with two stem stems, and the stem is stereotyped the shaft hole of gear box, its characterized in that: the mold core assembly comprises movable mold core and cover half core, and cover half core lower extreme is the base of flange structure, and the base is established on the base, and cover half core avris is equipped with the sliding tray that the slope set up, and the sliding tray runs through whole cover half core, movable mold core is a guide rail pole, and guide rail pole top is equipped with the mold core piece, and the length of mold core piece is less than the flange hole internal diameter of shaping gear box, and movable mold core and sliding tray closely cooperate, and movable mold core can slide along the sliding tray by the drive of pneumatic cylinder II, and mold core assembly is stereotyped gear box flange hole and inner wall when movable mold core top and cover half core top parallel and level, the cover half assembly comprises casing and fixed die plate, and the fixed die plate is established inside the casing, to the base shaping of gear box, the movable mold assembly is established on the pushing mechanism of injection molding machine, can be at the round trip movement under pushing mechanism's drive.

2. The injection mold of the gear box of the aerator as claimed in claim 1, wherein: the inclination angle of the sliding groove is 3 degrees.

3. The injection mold of the gear box of the aerator as claimed in claim 1, wherein: the base is provided with four positioning rods perpendicular to the base, and the positioning rods are subjected to injection molding and used for setting the flange screw holes of the gear box.

4. The injection mold of the gear box of the aerator as claimed in claim 1, wherein: the core column is provided with steps.