CN217704529U

CN217704529U - Precision injection mold for lightweight anti-collision bumper of automobile

Info

Publication number: CN217704529U
Application number: CN202221945346.5U
Authority: CN
Inventors: 刘水彦
Original assignee: Guangzhou Highteen Plastics Co ltd
Current assignee: Guangzhou Highteen Plastics Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-01
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to the technical field of injection molds, in particular to an accurate injection mold of a lightweight anti-collision bumper of an automobile, which comprises a base, wherein a fixed support is arranged on the base, an upper mold base frame is arranged on the fixed support, a hydraulic press is arranged in the middle of the top surface of the base, the top end of a hydraulic rod is connected with a lower mold base, a lower mold base block is arranged on the top surface of the lower mold base, a bumper reinforcing beam is embedded on the lower mold base block, and an air exhaust opening and an air inlet are arranged on the top surface of the upper mold base; according to the precision injection mold for the light anti-collision bumper of the automobile, light materials are injected into the mold through the feeding hole, air in the mold is slowly pumped out from the pumping hole in the injection molding process, and a bumper reinforcing beam is embedded on the lower die base module; this design has changed the condition that traditional bumper injection mold can not realize the promotion to bumper intensity, and it is convenient for adopt integrated into one piece's mode with bumper and bumper stiffening beam simultaneously with lightweight material injection moulding to promote bumper intensity.

Description

Precision injection mold for lightweight anti-collision bumper of automobile

Technical Field

The utility model relates to an injection mold technical field, specifically speaking relates to an accurate injection mold of car lightweight anticollision bumper.

Background

The injection mold is a tool for producing plastic products, is a processing method used when producing some parts with complex shapes in batches, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification; the lightweight anti-collision bumper of the automobile is mainly made of plastic materials, and an injection molding method is usually adopted during production.

The utility model discloses an grant publication number is CN215943552U the utility model discloses an automobile bumper injection mold, including the bottom plate: a top plate is arranged above the bottom plate, a first bearing and a second bearing are fixedly inlaid in the upper surface of the bottom plate, a first bearing and a second bearing are fixedly inlaid in the bottom surface of the top plate, first threaded rods are fixedly connected to the inner rings of the two first bearings together, a threaded cylinder is connected to the outer surface of each first threaded rod in a threaded manner, a second threaded rod is fixedly connected to the inner rings of the two second bearings together, a first belt pulley is fixedly connected to the outer surface of each first threaded rod and the outer surface of each second threaded rod, a servo motor is fixedly connected to the bottom surface of the top plate, a second belt pulley is fixedly connected to the output end of the servo motor, a conveying belt is sleeved on the outer surface of each second belt pulley, and the inner wall of each conveying belt is in transmission connection with the outer surface of the corresponding first belt pulley;

although this technical scheme has the advantage of being convenient for promote the injection molding precision, increasing the shaping rate of injection molding, this technical scheme is when specifically using, and its inside design that does not strengthen injection molding structural strength can not realize the promotion to bumper intensity, in view of this, we have provided the accurate injection mold of car lightweight anticollision bumper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate injection mold of car lightweight anticollision bumper to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an accurate injection mold of car lightweight anticollision bumper, includes the base, be equipped with four matrix distribution's fixed stay on the base, four be equipped with the upper die base frame on the fixed stay, every the fixed stay inboard all is equipped with the slide rail, base top surface middle part is equipped with the hydraulic press, be equipped with a plurality of matrix distribution's hydraulic stem on the hydraulic press, it is a plurality of the hydraulic stem top is connected with same die holder, be equipped with bellied die holder module on the die holder top surface, the bumper stiffening beam has been inlayed on the die holder module, be equipped with the upper die base on the upper die base frame, be equipped with the upper die base chamber in the upper die base, extraction opening and feed inlet have been seted up to the upper die base top surface.

Preferably, the base is provided with a reinforcing slide rod, the left side and the right side of the lower die seat are provided with reinforcing ring lugs, and the reinforcing ring lugs are connected with the reinforcing slide rod in a sliding manner.

Preferably, the diameter of the outer surface of the reinforcing slide rod is matched with the diameter of the inner ring of the reinforcing ring lug.

Preferably, a convex block is arranged on the outer side of the lower end of the lower die holder module, a groove is arranged on the outer side of the lower end of the upper die holder cavity, and the convex block is matched with the groove.

Preferably, the thickness of the lower die holder module is smaller than the depth of the upper die base cavity.

Preferably, the size of the top protruding part of the lower die base is matched with the size of the inner side of the bottom of the upper die base.

Preferably, the inner sides of the four fixing pillars correspond to four outer corner positions of the lower die base, and the lower die base is connected with the four sliding rails in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: according to the precise injection mold for the light anti-collision bumper of the automobile, the hydraulic rod is extended to push the lower die base to rise by opening the hydraulic machine, after the lug and the groove are fastened, the light material is injected into the mold through the feed inlet, air in the mold is slowly pumped out from the air suction port in the injection molding process, the condition that bubbles generated inside an injection molding piece influence the strength of the bumper is prevented, and the bumper can be injected into the integrally molded anti-collision bumper with the bumper reinforcing beam by the bumper reinforcing beam embedded on the lower die base module; this design has changed the condition that traditional bumper injection mold can not realize the promotion to bumper intensity, and it is convenient for adopt integrated into one piece's mode with bumper and bumper stiffening beam simultaneously with lightweight material injection moulding to promote bumper intensity.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

FIG. 2 is a schematic view of the unfolding structure of the upper and lower mold bases;

fig. 3 is a schematic view of the overall cross-sectional structure of the utility model;

FIG. 4 is a schematic structural view of the middle and lower die holders of the utility model;

FIG. 5 is a schematic view of a lower die holder according to the present invention;

fig. 6 is a schematic structural view of an upper die base in the utility model.

In the figure: 1. a base; 11. fixing a strut; 12. a slide rail; 13. reinforcing the slide bar; 14. an upper die holder; 2. a hydraulic press; 21. a hydraulic rod; 3. a lower die holder; 31. reinforcing the ring ear; 32. a lower die holder module; 33. a bumper reinforcement beam; 34. a bump; 4. an upper die holder; 41. an upper die holder cavity; 42. a groove; 5. an air exhaust port; 6. and (4) feeding a material inlet.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on the utility model provides a utility model, all other utility model that ordinary skilled person in the art obtained under the creative work prerequisite are not made, all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides an accurate injection mold of car lightweight anticollision bumper, the on-line screen storage device comprises a base 1, be equipped with four matrix distribution's fixed stay 11 on the base 1, be equipped with die holder frame 14 on four fixed

stay

11, 11 inboards of every fixed stay all are equipped with slide rail 12, 1 top surface middle part of base is equipped with hydraulic press 2, be equipped with a plurality of matrix distribution's hydraulic stem 21 on the hydraulic press, 21 tops of a plurality of hydraulic stems are connected with same die holder 3, be equipped with bellied die holder module 32 on the 3 top surfaces of die holder, bumper stiffening beam 33 has been inlayed on the die holder module 32, be equipped with upper die base 4 on the upper die holder frame 14, be equipped with die holder chamber 41 in the upper die base 4, extraction opening 5 and feed inlet 6 have been seted up to 4 top surfaces of upper die base.

In this embodiment, a reinforcing slide bar 13 is disposed on the base 1, reinforcing ring lugs 31 are disposed on both left and right sides of the lower die holder 3, and the reinforcing ring lugs 31 are slidably connected to the reinforcing slide bar 13, so that the lower die holder 3 can slide up and down along the reinforcing slide bar 13.

In this embodiment, the diameter of the outer surface of the reinforcing slide rod 13 is matched with the diameter of the inner ring of the reinforcing ring lug 31, so that the lower die holder 3 does not vibrate and keeps stable lifting when sliding.

In this embodiment, the lower die holder module 32 is provided with a projection 34 at the outer side of the lower end, the upper die holder cavity 41 is provided with a groove 42 at the outer side of the lower end, the projection 34 is engaged with the groove 42, the lower die holder 3 is better sealed when being attached to the upper die holder 4, and the injection mold is stably molded without dislocation.

In this embodiment, the thickness of the lower die holder module 32 is smaller than the depth of the upper die holder cavity 41, so that the lower die holder 3 and the upper die holder 4 can be successfully closed, the molding of the injection molding piece is ensured, and the strength of the injection molding piece can be adjusted according to the thickness of the lower die holder module 32.

In this embodiment, the size of the protruding portion at the top of the lower die holder 3 is matched with the size of the inner side at the bottom of the upper die holder 4, so that the lower die holder 3 and the upper die holder 4 can be tightly attached.

In this embodiment, four fixed pillars 11 are inboard corresponding with four outer corner positions of lower bolster 3, and lower bolster 3 is simultaneously with four slide rail 12 sliding connection, ensures that lower bolster 3 can successfully install to slide rail 12 on and make its lift more stable.

The utility model discloses a precision injection mold of car lightweight anticollision bumper when using, make hydraulic stem 21 extension promote die holder 3 to rise through opening hydraulic press 2, wait after lug 34 and recess 42 straining, pour into the lightweight material into to the mould through feed inlet 6, take out the air in the mould slowly from extraction opening 5 in the injection molding process, prevent that the injection molding inside from producing the bubble and influencing bumper intensity, the bumper stiffening beam 33 of inlaying on the die holder module 32 can be with the bumper injection molding become integrated into one piece's anticollision bumper with bumper stiffening beam 33; this design has changed traditional bumper injection mold and can not realize the condition to the promotion of bumper intensity, and it is convenient for adopt integrated into one piece's mode with bumper and stiffening beam simultaneously with lightweight material injection moulding to promote bumper intensity.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision injection mold of car lightweight anticollision bumper, includes base (1), its characterized in that: be equipped with four matrix distribution's fixed stay (11) on base (1), four be equipped with die holder frame (14), every on fixed stay (11) inboard all is equipped with slide rail (12), base (1) top surface middle part is equipped with hydraulic press (2), be equipped with a plurality of matrix distribution's hydraulic stem (21) on the hydraulic press, it is a plurality of hydraulic stem (21) top is connected with same die holder (3), be equipped with bellied die holder module (32) on die holder (3) top surface, bumper stiffening beam (33) have been inlayed on die holder module (32), be equipped with upper die base (4) on die holder frame (14), be equipped with upper die base chamber (41) in upper die base (4), extraction opening (5) and feed inlet (6) have been seted up to upper die base (4) top surface.

2. The precision injection mold for the lightweight bumper of the automobile of claim 1, wherein: the die is characterized in that a reinforcing slide rod (13) is arranged on the base (1), reinforcing ring lugs (31) are arranged on the left side and the right side of the lower die seat (3), and the reinforcing ring lugs (31) are in sliding connection with the reinforcing slide rod (13).

3. The precision injection mold for the lightweight bumper of the automobile of claim 2, wherein: the diameter of the outer surface of the reinforcing slide rod (13) is matched with the diameter of the inner ring of the reinforcing ring lug (31).

4. The precision injection mold for the lightweight anti-collision bumper of the automobile according to claim 1, wherein: the outer side of the lower end of the lower die holder module (32) is provided with a convex block (34), the outer side of the lower end of the upper die holder cavity (41) is provided with a groove (42), and the convex block (34) is matched with the groove (42).

5. The precision injection mold for the lightweight bumper of the automobile of claim 1, wherein: the thickness of the lower die holder module (32) is smaller than the depth of the upper die holder cavity (41).

6. The precision injection mold for the lightweight anti-collision bumper of the automobile according to claim 1, wherein: the size of the protruding part at the top of the lower die holder (3) is matched with the size of the inner side at the bottom of the upper die holder (4).

7. The precision injection mold for the lightweight bumper of the automobile of claim 1, wherein: the four inner side edges of the fixed support columns (11) correspond to the four outer corner positions of the lower die base (3), and the lower die base (3) is connected with the four sliding rails (12) in a sliding mode.