Injection mold for cylinder head cover of automobile engine
Technical Field
The invention relates to the technical field of molds, in particular to an injection mold for an automobile engine cylinder head cover.
Background
The automobile engine cylinder head cover generally designs the appearance and the internal structure thereof according to the functions thereof, and according to the number and the installation position of the cylinder cover, the automobile engine cylinder head cover generally has a structure with a plurality of grooves and holes inside and outside, the structure is complex and is not easy to demould, the processing difficulty is large, the existing injection mold with one mold and two cavities in layout in the actual production process of the automobile engine cylinder head cover is particularly suitable for the production of a plastic part which has a longer hole inconsistent with the mold opening direction, has an inclined tube structure and a concave structure in the middle and is provided with a hole or a groove on the outer wall of the concave structure, a hydraulic lateral parting and core-pulling mechanism is usually adopted, the mold structure and the manufacturing process are complex and are not easy to demould; the mold core has single function, is inconvenient to maintain, and the easily damaged part is inconvenient to replace, so that the precision requirement of the plastic part is difficult to ensure, and the service life of the mold is short; the production cost is higher, and the maintenance cost of the die is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a punching inspection tool to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile engine cylinder head cover injection mold, includes mould bed main part and base, its characterized in that: a motor groove is formed between the die bed main body and the base, a telescopic motor is arranged in the motor groove, a shaft coupling is arranged on a telescopic shaft of the telescopic motor, a pressure spring is arranged at one end of the base, far away from the die bed main body, a thimble base is arranged at one end of the pressure spring, far away from the pressure spring, a plurality of thimbles are arranged at one end of the thimble base, far away from the thimble base, a rubber pad is arranged at one end of the thimble, far away from the thimble base, a pressure block is arranged between the thimbles, support beams are arranged at two sides of the thimbles, telescopic rods are arranged at two sides of the support beams, the telescopic beams are provided with telescopic grooves at one sides, close to the telescopic rods, the telescopic rods are provided with a plurality, the sealing block is provided with a cylinder head cover injection molding cavity close to one end of the pressure block, a top cover is arranged at one end, away from the base, of the sealing block, telescopic spring columns are arranged on two sides of the top cover (12), and an injection molding port is formed in the center of the top cover.
Preferably, the sliding stud is provided with four telescopic rod grooves, and the upper and lower parts of the four telescopic rod grooves are symmetrically distributed.
Preferably, the die bed main body, the base, the supporting beam and the top cover are connected through a stud.
Preferably, the injection port penetrates through an injection molding cavity of the cylinder head cover.
Preferably, the number of the thimbles is 2, heat treatment is carried out in the manufacturing process, and the surface is subjected to nitriding treatment.
Preferably, the height of the spring after the compression of the pressure spring is larger than the height of the bulge of the pressure block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses set up flexible motor and drive the telescopic link and mould plastics, the accuracy of moulding the piece can be guaranteed to two-sided cover half structure.
2. The utility model discloses be provided with the thimble after pressure spring and the nitrogenize, can effectively the drawing of patterns, be provided with the rubber pad on the thimble and prevent to take place the mould at drawing of patterns in-process and warp.
Drawings
FIG. 1 is a front sectional view of an injection mold for a cylinder head cover of an automobile engine according to the present invention;
FIG. 2 is a partially enlarged view of the part A of the injection mold for the cylinder head cover of the automobile engine of the present invention;
fig. 3 is the utility model relates to a B part enlarger of automobile engine cylinder head cover injection mold.
In the figure: 1. a mold bed main body; 2. a motor slot; 3. a telescopic motor; 4. a coupling; 5. a base; 6. A pressure spring; 7. a limiting block; 8. a sliding stud; 9. a telescopic rod; 10. a telescopic spring post; 11. a sealing block; 12. a top cover; 13. a cylinder head cover injection molding cavity; 14. an injection molding port; 15. a thimble base; 16. a support beam; 17. a telescopic spring slot; 18. a thimble; 19. a rubber pad; 20. and (4) a pressure block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an injection mold of an automobile engine cylinder head cover comprises a mold bed main body 1 and a base 5, a motor groove 2 is arranged between the mold bed main body 1 and the base 5, a telescopic motor 3 is arranged in the motor groove 2, a coupler 4 is arranged on a telescopic shaft of the telescopic motor 3, a pressure spring 6 is arranged at one end of the base 5 far away from the mold bed main body 1, a thimble base 15 is arranged at one end of the pressure spring 6 far away from the base 5, a plurality of thimbles 18 are arranged at one end of the thimble base 15 far away from the pressure spring 6, a rubber pad 19 is arranged at one end of the thimble 18 far away from the thimble base 15, a pressure block 20 is arranged between the thimbles 18, supporting beams 16 are arranged at two sides of the thimble 18, telescopic rods 9 are arranged at two sides of the supporting beams 16, a telescopic spring groove 17 is arranged at one side of the supporting, stopper 7 is installed to 8 both sides of slip double-screw bolt, a supporting beam 16 is kept away from 5 one end of base and is installed sealed piece 11, be close to 20 one end of pressure block on the sealed piece 11 and seted up cylinder head cover injection molding chamber 13, sealed piece 11 is kept away from 5 one end of base and is installed top cap 12, top cap 12 both sides are installed extension spring post 10, top cap 12 central authorities have seted up mouth 14 of moulding plastics, the telescopic link groove has been seted up on the slip double-screw bolt 8, totally four, 2 upper and lower symmetric distribution, mould bed main part 1, base 5, connect through the double-screw bolt between a supporting beam 16 and the top cap 12, mouth 14 of moulding plastics link up cylinder head cover injection molding chamber 13, thimble 18 has 2, will carry out thermal treatment in the manufacturing process, and the surface adopts the nitrogenize treatment.
The working principle is as follows: the utility model provides an automobile engine cylinder head cover injection mold, at first toward pouring into mould liquid in the mouth 14 of moulding plastics, flow into cylinder head cover injection molding chamber 13, through 20 fixed backs of quick cooling of pressure piece, open the flexible motor 3 drive telescopic link 9 removal in the motor groove 2, stop after touchhing stopper 7, pressure spring 6 is in compression state at first, pressure spring 6 pops out this moment, thimble 18 is ejecting, the flexible spring post 10 stretches out from the flexible spring inslot 17, the mould drops, whole action is accomplished.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.