CN215472783U

CN215472783U - Special injection mold for connecting terminal of oil injector

Info

Publication number: CN215472783U
Application number: CN202121817392.2U
Authority: CN
Inventors: 陆曦峰
Original assignee: Wuxi Yigao Precision Molding Technology Co ltd
Current assignee: Wuxi Yigao Precision Molding Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-11
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to the technical field of injection molding of a connecting terminal of an oil injector, in particular to a special injection mold for the connecting terminal of the oil injector, which comprises a lower mold component and an upper mold component, wherein the lower mold component comprises a bottom plate, four corners of the upper end of the bottom plate are fixedly connected with cushion blocks, the upper ends of the four groups of cushion blocks are fixedly connected with a lower fixing plate together, the upper end of the lower fixing plate is fixedly connected with a lower mold, and the upper end of the lower mold is provided with a lower mold cavity in an array. Injecting an injection molding solution into an injection molding port, wherein the injection molding solution flows through a main injection molding channel, then is uniformly distributed into an auxiliary injection molding channel, and finally flows into a cavity to perform injection molding on a wiring terminal; after the wiring terminal is cooled and formed, the movable plate is driven to move upwards through the work of the hydraulic cylinder, the connecting plate and the ejector rod are driven to move upwards after being buffered by the spring, the wiring terminal formed in the cavity is ejected out through the ejector rod, the quick demolding of the wiring terminal is realized, the unloading is convenient, and the working efficiency is improved.

Description

Special injection mold for connecting terminal of oil injector

Technical Field

The utility model relates to the technical field of injection molding of a connecting terminal of an oil injector, in particular to a special injection molding die for the connecting terminal of the oil injector.

Background

The oil sprayer is a precision device with very high processing precision, and has the advantages of large dynamic flow range, strong anti-blocking and anti-pollution capacity and good atomization performance. The fuel injector receives the fuel injection pulse signal sent by the ECU and accurately controls the fuel injection quantity. The injector terminals are typically injection molded with an injection mold.

Patent application number is CN201922484255.0 discloses a formula injection mold can be spliced for binding post, including base, limiting plate, bed die, bottom plate, extension board, cardboard, first fixed plate, second fixed plate, screw rod, fixed axle, spacing axle, clamp plate, hydraulic stem, baffle, connecting plate, cope match-plate pattern, injection molding pipe, roof, mould body and guide pillar. The lower die is limited by the limiting plate, the connecting terminals with different lengths can be conveniently formed by splicing a plurality of lower dies through injection molding, the lower dies can be conveniently mounted, the length of the connecting terminal subjected to injection molding can be conveniently selected according to needs, and the practicability of the die is improved; above-mentioned but concatenation formula injection mold for binding post passes through the removal convenience of cope match-plate pattern and clamp plate and forms the cavity of moulding plastics between the bed die to it is convenient spacing to the metallic conductor through the amalgamation between roof and the bottom plate, be favorable to moulding plastics the metallic conductor to binding post inside, improved the convenience of operation. But above-mentioned binding post is with the inconvenient unloading of concatenation formula injection mold, can not follow the die cavity with the binding post after the shaping and push out to reduce machining efficiency.

Therefore, a special injection molding die for the connecting terminal of the oil injector is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special injection mold for a connecting terminal of an oil injector, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a special injection mold for a connecting terminal of an oil injector comprises a lower mold component and an upper mold component, wherein the lower mold component comprises a bottom plate, four corners of the upper end of the bottom plate are fixedly connected with cushion blocks, the upper ends of the four cushion blocks are fixedly connected with a lower fixed plate, the upper end of the lower fixed plate is fixedly connected with a lower mold, lower mold cavities are arranged at the upper end of the lower mold in an array manner, hydraulic cylinders are fixedly arranged on the left side and the right side of the lower end of the lower fixed plate, a movable plate is fixedly connected with the lower end of the output end of the hydraulic cylinder, a telescopic rod is fixedly connected with the upper end of the movable plate, a connecting plate is fixedly connected with the upper end of the telescopic rod, springs are sleeved on the outer side of the telescopic rod, ejector rods are fixedly connected with the upper end of the connecting plate and correspond to the lower mold cavities one by one, through holes for the ejector rods to pass through are formed in the lower fixed plate and the lower mold component, the upper mold component comprises an upper fixed plate, the utility model discloses an injection molding machine, including an upper fixed plate, an upper die cavity, an injection molding opening, an injection molding channel, an auxiliary injection molding channel and an auxiliary injection molding channel.

As a further optimization of the technical scheme, the upper end and the lower end of the spring are respectively and fixedly connected with the connecting plate and the moving plate.

This setting plays the shock attenuation cushioning effect through the spring, avoids the impact force of pneumatic cylinder too big to be used on connecting plate and ejector pin to cause the damage to fashioned work piece.

As a further optimization of the technical scheme, the four corners of the lower end of the upper die are fixedly connected with positioning columns, and the four corners of the upper end of the lower die are provided with positioning holes for inserting the positioning columns.

The positioning column is inserted into the positioning hole to position the lower die assembly and the upper die assembly.

As a further optimization of the technical scheme, the left side and the right side of the upper fixing plate are fixedly connected with connecting lugs.

The arrangement of the connecting lugs facilitates the operation of the upper die assembly, so that the die assembly and the lower die assembly can be matched and opened.

As a further optimization of the technical scheme, the auxiliary injection molding channels correspond to the cavities one by one and are communicated with the cavities.

The injection molding solution flows into the corresponding cavities one by one through the auxiliary injection molding channels.

Compared with the prior art, the utility model has the beneficial effects that: the base part of a wiring terminal is placed in a lower die cavity formed in the upper end of a lower die, and then a positioning column at the lower end of an upper die assembly is inserted into a positioning hole in the upper end of the lower die assembly to position the lower die assembly and the upper die assembly, so that the lower die assembly and the upper die assembly are assembled; then injecting an injection molding solution into the injection molding port, wherein the injection molding solution flows through the main injection molding channel, is uniformly distributed into the auxiliary injection molding channel, and finally flows into the cavity to perform injection molding on the wiring terminal; after the binding post cools off the shaping, will go up the mould subassembly and take off, with the separation of bed die subassembly, then through pneumatic cylinder work, drive movable plate upward movement, through spring buffering back, drive connecting plate and ejector pin rebound, the binding post through the ejector pin after with the die cavity shaping ejecting realizes binding post's quick drawing of patterns, conveniently unloads, improves work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic view of a lower end surface structure of the upper mold assembly according to the present invention.

In the figure: 1. a base plate; 2. cushion blocks; 3. a lower fixing plate; 4. a lower die; 5. a lower die cavity; 6. a hydraulic cylinder; 7. moving the plate; 8. a telescopic rod; 9. a connecting plate; 10. a spring; 11. a top rod; 12. an upper fixing plate; 13. an upper die; 14. an upper mold cavity; 15. an injection molding port; 16. a main injection molding channel; 17. an auxiliary injection molding channel; 18. a positioning column; 19. positioning holes; 20. and (5) connecting lugs.

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. 1-4, the present invention provides a technical solution: the utility model provides a sprayer binding post special mould that moulds plastics, includes bed die subassembly and last mould subassembly, the bed die subassembly includes bottom plate 1, the equal fixedly connected with cushion 2 in 1 upper end four corners of bottom plate, four groups the common fixedly connected with bottom plate 3 in 2 upper ends of cushion, 3 upper ends fixedly connected with lower moulds 4 of bottom plate, 4 upper ends of lower mould are the array and have seted up die cavity 5 down.

The equal fixed mounting of 3 lower extreme left and right sides of bottom plate has pneumatic cylinder 6, the common fixedly connected with movable plate 7 of output lower extreme of

pneumatic cylinder

6, 7 upper ends fixedly connected with telescopic links 8 of movable plate, 8 upper ends fixedly connected with connecting plates 9 of telescopic links, spring 10 has been cup jointed in the 8 outside of telescopic links, both ends about spring 10 respectively with connecting

plate

9 and 7 fixed connection of movable plate, play the shock attenuation cushioning effect through spring 10, avoid pneumatic cylinder 6's the too big connecting plate 9 and ejector pin 11 of using of impact force to cause the damage to fashioned work piece. Ejector rods 11 are fixedly connected to the upper end of the connecting plate 9, the ejector rods 11 correspond to the lower die cavities 5 one by one, and through holes for the ejector rods 11 to penetrate through are formed in the lower fixing plate 3 and the lower die 4.

Go up the mould subassembly and include upper fixed plate 12, upper fixed plate 12 lower extreme fixedly connected with goes up mould 13, it is the array to go up mould 13 lower extreme and offers the last die cavity 14 with lower die cavity 5 one-to-one, go up die cavity 14 and lower die cavity 5 and form the die cavity jointly.

The utility model discloses a mould plastics, including an upper fixed plate 12, last mould 13, it moulds plastics mouth 15 to go up mould 13, go up mould 13 and lower mould 4 and be located and mould plastics mouthful 15 left and right sides and all seted up main passageway 16 of moulding plastics, main passageway 16 of moulding plastics is linked together with the mouth 15 of moulding plastics, both sides all communicate with the assistance passageway 17 of moulding plastics around main passageway 16 of moulding plastics, assist passageway 17 and the die cavity one-to-one of moulding plastics, and be linked together with the die cavity, will mould plastics through assisting the passageway 17 of moulding plastics and flow into the die cavity of correspondence one-to-one.

Specifically, the four corners of the lower end of the upper die 13 are fixedly connected with positioning columns 18, the four corners of the upper end of the lower die 4 are provided with positioning holes 19 for inserting the positioning columns 18, the positioning columns 18 are inserted into the positioning holes 19, the lower die assembly and the upper die assembly are positioned, and die assembly of the lower die assembly and the upper die assembly is achieved. The equal fixedly connected with engaging lug 20 in upper fixed plate 12 left and right sides through the setting of engaging lug 20, is convenient for operate last mould subassembly to mould subassembly and lower mould subassembly's compound die and die sinking are gone up in the realization.

Specifically, when the connecting terminal is used, the base part of the connecting terminal is placed in a lower die cavity 5 formed in the upper end of a lower die 4, then a positioning column 18 at the lower end of an upper die component is inserted into a positioning hole 19 in the upper end of the lower die component, and the lower die component and the upper die component are positioned, so that the lower die component and the upper die component are matched; then injecting injection molding solution into the injection molding port 15, wherein the injection molding solution flows through the main injection molding channel 16, then is uniformly distributed into the auxiliary injection molding channel 17, and finally flows into the cavity to perform injection molding on the wiring terminal; after the binding post cooling shaping, take off last mould subassembly, with the separation of bed die subassembly, then through pneumatic cylinder 6 work, drive movable plate 7 upward movement, through spring 10 buffering back, drive connecting plate 9 and ejector pin 11 rebound, through ejector pin 11 with the binding post ejecting after the die cavity shaping, realize binding post's quick drawing of patterns, conveniently unload, improve work efficiency.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sprayer binding post special mould that moulds plastics, includes bed die assembly and last mould assembly, its characterized in that: the lower die assembly comprises a bottom plate (1), wherein cushion blocks (2) are fixedly connected to four corners of the upper end of the bottom plate (1), a lower fixing plate (3) is fixedly connected to the upper ends of the four cushion blocks (2) together, a lower die (4) is fixedly connected to the upper end of the lower fixing plate (3), lower die cavities (5) are arranged in an array on the upper end of the lower die (4), hydraulic cylinders (6) are fixedly mounted on the left side and the right side of the lower end of the lower fixing plate (3), a moving plate (7) is fixedly connected to the lower end of the output end of the hydraulic cylinder (6) together, telescopic rods (8) are fixedly connected to the upper end of the moving plate (7), a connecting plate (9) is fixedly connected to the upper end of each telescopic rod (8), springs (10) are sleeved on the outer side of each telescopic rod (8), ejector rods (11) are fixedly connected to the upper end of the connecting plate (9), and the ejector rods (11) correspond to the lower die cavities (5) one by one, all set up the through-hole that supplies ejector pin (11) to pass on bottom plate (3) and lower mould (4), it includes upper fixed plate (12) to go up the mould subassembly, upper fixed plate (12) lower extreme fixedly connected with goes up mould (13), it is array to be set up with last die cavity (14) of lower die cavity (5) one-to-one to go up mould (13) lower extreme, it forms the die cavity jointly with lower die cavity (5) to go up die cavity (14), upper fixed plate (12) and last mould (13) middle part have been seted up and have been moulded plastics mouthful (15), go up mould (13) and lower mould (4) and be located and mould plastics mouthful (15) left and right sides and all seted up main passageway (16) of moulding plastics, main passageway (16) of moulding plastics are linked together with mouth (15) of moulding plastics, main passageway (16) of moulding plastics both sides all communicate and assist the passageway (17) of moulding plastics around the passageway (16).

2. The special injection mold for the connecting terminal of the oil injector according to claim 1, characterized in that: the upper end and the lower end of the spring (10) are respectively and fixedly connected with the connecting plate (9) and the moving plate (7).

3. The special injection mold for the connecting terminal of the oil injector according to claim 1, characterized in that: the four corners of the lower end of the upper die (13) are fixedly connected with positioning columns (18), and the four corners of the upper end of the lower die (4) are provided with positioning holes (19) for inserting the positioning columns (18).

4. The special injection mold for the connecting terminal of the oil injector according to claim 1, characterized in that: the left side and the right side of the upper fixing plate (12) are fixedly connected with connecting lugs (20).

5. The special injection mold for the connecting terminal of the oil injector according to claim 1, characterized in that: the auxiliary injection molding channels (17) correspond to the cavities one by one and are communicated with the cavities.