CN219311927U

CN219311927U - Automobile bumper die

Info

Publication number: CN219311927U
Application number: CN202223017046.3U
Authority: CN
Inventors: 周华
Original assignee: Jiangsu Baorui Mechanical Industry Co ltd
Current assignee: Jiangsu Baorui Mechanical Industry Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-07-07
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses an automobile bumper die, which comprises a bottom plate, wherein the upper surface of the bottom plate is provided with a fixed die, the top end of the fixed die is provided with a movable die, the fixed die is internally provided with a forming cavity, the middle part of the inside of the fixed die is provided with a mounting cavity, the mounting cavity is internally provided with an ejection mechanism, the two sides of the mounting cavity in the fixed die are respectively provided with a water collecting tank, and three cooling cavities distributed at equal intervals are arranged above each water collecting tank.

Description

Automobile bumper die

Technical Field

The utility model relates to the technical field of dies, in particular to an automobile bumper die.

Background

The vehicle bumper has the functions of protecting safety, decorating the vehicle, improving the aerodynamic characteristics of the vehicle and the like. From the safety aspect, the automobile can play a role in buffering when a low-speed collision accident occurs, and front and rear automobile bodies are protected; can play a role in protecting pedestrians when accidents occur with the pedestrians. The automobile bumper has decorative effect and certain aerodynamic effect, and is an important part for decorating the appearance of a car.

The injection mold is needed to be used for producing the automobile front bumper, the current automobile front bumper injection mold is not greatly different from the traditional injection mold, the automobile front bumper injection mold basically consists of an upper mold and a lower mold, and the inside of the automobile front bumper injection mold is provided with a molded cavity, so that the basic injection molding function can be realized.

At present, in the use process of the existing bumper mould, as no effective positioning mechanism exists between the movable mould and the fixed mould, dislocation is easy to occur between the movable mould and the fixed mould, so that glue positions are uneven, product quality is affected, in addition, a traditional mould cooling mode is that only one cold water inlet and one cold water outlet are formed, a cooling water pipe of the mould is directly connected onto a tap water pipe in general, different cold water pipes are connected together in a series mode, when cold water flows into another cold water pipe from one cold water pipe, heat is also brought in from other water pipes, the temperature of different cold water pipes is gradually increased, the temperature of different positions of the mould is uneven, and in the feeding process of the existing mould, part of material is easy to cool due to the fact that a water gap material is easy to waste is large, and production cost is improved.

Disclosure of Invention

The utility model aims to provide an automobile bumper die for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an automobile bumper mould, includes the bottom plate, the upper surface of bottom plate is provided with the cover half, the top of cover half is provided with the movable mould, be provided with the shaping chamber in the cover half, the inside middle part of cover half is provided with the installation cavity, be provided with ejection mechanism in the installation cavity, be located the both sides of installation cavity in the cover half and all be provided with the water catch bowl, and every the top of water catch bowl is provided with three equidistant cooling chamber that distributes, be linked together between the bottom middle part of cooling chamber and the water catch bowl, two the water catch bowl is connected through the drain pipe, the bottom middle part of movable mould is provided with the shaping piece with shaping chamber assorted, just be provided with three equidistant distribution and be linked together heatable inlet pipe with the shaping chamber on the movable mould, just be provided with the water supply system that is used for supplying water to the cooling chamber on the movable mould, the front and back lateral wall bottom of movable mould is provided with U type mouth assorted cooling chamber, just the upper surface of cover half is provided with spacing frame and both sides, the movable mould is provided with spacing frame and is identical.

As a further scheme of the utility model: the ejector mechanism comprises an electric push rod arranged at the middle part of the inner wall of the bottom of the installation cavity, a sliding plate is arranged at the top end of the electric push rod, the sliding plate is in sliding connection with the inner wall of the installation cavity, a plurality of ejector rods distributed orderly at equal intervals are arranged on the upper surface of the sliding plate, ejector blocks are arranged at the top ends of the ejector rods, the bottom of each ejector rod is connected with the upper surface of the sliding plate, the ejector blocks are the same in ejection height, when the electric push rod is started to jack the sliding plate, the sliding plate pushes the ejector rods to move upwards, the ejector blocks are ejected to the upper part of the formation cavity, the force bearing area of the ejection position of a plastic part is increased by arranging a plurality of ejector blocks, ejection force on the unit area can be reduced, ejection of the plastic part is avoided, and damage to the plastic part can be effectively avoided.

As still further aspects of the utility model: the radian of the upper surface of kicking block and the radian assorted of shaping chamber, just the surface in shaping chamber is provided with a plurality of holding tanks that distribute with kicking block one-to-one, the size of kicking block and the size assorted of holding tank, just the bottom middle part of holding tank is provided with the slide hole that is linked together with the installation cavity, ejector pin and slide hole sliding connection, through the setting of holding tank for during initial state, the kicking block is held into the holding tank, through the setting of slide hole, is favorable to making the ejector pin jack-up kicking block under the effect of slide.

As still further aspects of the utility model: the water supply system comprises guide channels which are arranged on the movable mould and are communicated with the top ends of two ends of the cooling cavity, water guide pipes are arranged at the top ends of each guide channel, the top ends of the water guide pipes located on one side are connected through a split pipe, the two water guide pipes are connected through water pipes, a liquid inlet pipe is connected to the water pipes, cooling water is led to enter each water guide pipe through the liquid inlet pipe, the cooling liquid enters each cooling cavity through the water pipes and the split pipes, water in each cooling cavity is directly cooling water flowing out of the liquid inlet pipe, the water temperature in each cooling cavity is consistent, the temperature of each part of the mould is uniform, cooling efficiency and cooling effect can be effectively improved, a plastic part is cooled more uniformly, and the plastic part is formed.

As still further aspects of the utility model: the sealing groove is formed in the edge of the upper surface of the fixed die, sealing edges matched with the sealing groove are arranged at the bottom of the edge of the movable die, guide holes are formed in four corners of the upper surface of the fixed die, guide columns distributed corresponding to the guide holes are arranged at four corners of the bottom of the movable die, when the movable die is in contact with the fixed die, the sealing edges can be inserted into the sealing groove through the cooperation between the sealing edges and the sealing groove and the cooperation between the guide columns and the guide holes, the guide columns are inserted into the guide holes, sealing performance is improved, the phenomenon that the movable die and the fixed die are misplaced in the forming process can be effectively prevented, the movable die and the fixed die are tightly meshed together, the reliability is good, the misplacement of the stop die and the fixed die is effectively prevented, the non-uniformity of glue positions is avoided, and the product quality is improved.

As still further aspects of the utility model: the inner wall of inlet pipe is provided with the heater strip, through setting up the heater strip on the inlet pipe inner wall for heat at the feeding in-process, avoid the in-process at the feeding because the runner is longer to lead to partial material refrigerated phenomenon to take place, can effectively reduce the waste of mouth of a river material, also can alleviate injection molding pressure, practice thrift injection molding cost, thereby can effectively avoid plastic to appear flash or flash, bubble or burnt phenomenon, and through setting up three inlet pipes, can accelerate the speed of feeding, and can make the even in the shaping intracavity of material.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the bottom of each ejector rod is connected with the upper surface of the sliding plate, so that the ejection height of each ejector block is the same, when the electric push rod is started to jack the sliding plate, the sliding plate pushes the ejector rods to move upwards, so that the ejector blocks are ejected to the upper part of the forming cavity, the stress area of the ejection position of a plastic part is increased by arranging a plurality of ejector blocks, the ejection force on the unit area can be reduced, the occurrence of top white on the plastic part is avoided, and the phenomenon of damage to the plastic part can be effectively avoided.

2. Through feed liquor pipe intercommunication cooling water for the coolant liquid passes through the water pipe, and the shunt tubes gets into each aqueduct, and gets into each cooling chamber through every water conservancy diversion passageway in, makes the water in each cooling chamber all be the cooling water that directly flows from the feed liquor pipe, makes the temperature in each cooling chamber unanimous, thereby makes the temperature at each position of mould even, and cold can improve cooling efficiency and effect effectively, makes the plastic part obtain more even cooling, is favorable to the shaping work of plastic part.

3. Through the cooperation between sealing edge and the seal groove, the cooperation between U type mouth and the chimb, the cooperation between spacing frame and the stopper, and the cooperation between guide post and the guiding hole, when movable mould and cover half contact, not only improved the leakproofness, can also effectively prevent the phenomenon of dislocation at shaping in-process movable mould and cover half to take place, make movable mould and cover half meshing tightly together, the good reliability, effectively prevent that dislocation from taking place for stopping mould and cover half, avoid the position of glue inhomogeneous, improved product quality.

4. Through set up the heater strip on the inlet pipe inner wall for heat at the feeding in-process, avoid the in-process at the feeding because runner is longer to lead to partial material refrigerated phenomenon to take place, can effectively reduce the waste of mouth of a river material, also can alleviate injection molding pressure, practice thrift injection molding cost, thereby can effectively avoid plastic to appear flash or flash, bubble or burnt phenomenon, and through setting up three inlet pipes, can accelerate the speed of feeding, and can make the even in the shaping intracavity of material.

Drawings

Fig. 1 is a schematic structural view of an automobile bumper mold.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic structural view of a stationary mold in an automobile bumper mold.

Fig. 4 is a schematic structural view of a movable mold in an automobile bumper mold.

Fig. 5 is a right side view of fig. 3.

Fig. 6 is a schematic structural view of an ejection mechanism in an automobile bumper mold.

In the figure: 1. a bottom plate; 2. a fixed mold; 3. a movable mold; 4. a feed pipe; 5. a water pipe; 6. a liquid inlet pipe; 7. a shunt; 8. a water conduit; 9. a drain pipe; 10. a water collection tank; 11. a cooling chamber; 12. a diversion channel; 13. a mounting cavity; 14. an electric push rod; 15. a push rod; 16. a top block; 17. a molding cavity; 18. a receiving groove; 19. a slide hole; 20. a U-shaped opening; 21. sealing grooves; 22. a guide hole; 23. a limit frame; 24. molding blocks; 25. sealing edges; 26. a convex edge; 27. a guide post; 28. a limiting block; 29. and (3) a sliding plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, in an embodiment of the present utility model, an automobile bumper mold includes a bottom plate 1, a fixed mold 2 is provided on an upper surface of the bottom plate 1, a movable mold 3 is provided on a top end of the fixed mold 2, a molding cavity 17 is provided in the fixed mold 2, a mounting cavity 13 is provided in an inner middle portion of the fixed mold 2, an ejection mechanism is provided in the mounting cavity 13, the ejection mechanism includes an electric push rod 14 mounted in a middle portion of an inner wall of a bottom of the mounting cavity 13, a sliding plate 29 is provided on a top end of the electric push rod 14, the sliding plate 29 is slidably connected with an inner wall of the mounting cavity 13, a plurality of push rods 15 distributed in an orderly manner at equal intervals are provided on an upper surface of the sliding plate 29, a top end of each push rod 15 is provided with a push block 16, a bottom of each push rod 15 is connected with an upper surface of the sliding plate 29 by setting up a bottom of each push rod 16 to be ejected to have a same height, when the electric push rod 14 is started to jack the sliding plate 29, the sliding plate 29 pushes the ejector rod 15 to move upwards, so that the ejector rod 16 is ejected to the upper part of the forming cavity 17, the stress area of the ejection position of the plastic part is increased by arranging a plurality of ejector rods 16, the ejection force on the unit area can be reduced, the phenomenon of ejection on the plastic part is avoided, damage to the plastic part can be effectively avoided, the radian of the upper surface of the ejector rod 16 is matched with the radian of the forming cavity 17, the surface of the forming cavity 17 is provided with a plurality of containing grooves 18 distributed in one-to-one correspondence with the ejector rod 16, the size of the ejector rod 16 is matched with the size of the containing grooves 18, the middle part of the bottom of the containing groove 18 is provided with sliding holes 19 communicated with the mounting cavity 13, the ejector rod 15 is in sliding connection with the sliding holes 19, the ejector rod 16 is accommodated into the containing groove 18 in the initial state by the arrangement of the containing grooves 18, and is favorable for the action of the sliding plate 29, so that the jack 15 jacks up the jack block 16;

the fixed die 2 is internally provided with water collecting grooves 10 at two sides of the mounting cavity 13, three cooling cavities 11 distributed at equal intervals are arranged above each water collecting groove 10, the middle part of the bottom of each cooling cavity 11 is communicated with the water collecting grooves 10, the two water collecting grooves 10 are connected through a water discharge pipe 9, the middle part of the bottom of the movable die 3 is provided with a forming block 24 matched with the forming cavity 17, the movable die 3 is provided with three feeding pipes 4 distributed at equal intervals and communicated with the forming cavity 17 and heatable, the inner wall of each feeding pipe 4 is provided with a heating wire, and the heating wires are arranged on the inner wall of each feeding pipe 4, so that the heating is performed in the feeding process, the phenomenon that part of materials are cooled due to longer flow channels in the feeding process is avoided, the waste of water gap materials can be effectively reduced, the injection molding pressure can be reduced, the injection molding cost can be saved, the phenomena of flash or flash, air bubbles or scorching can be effectively avoided, the feeding speed can be accelerated, and the materials can be uniformly positioned in the forming cavity 17 by arranging the three feeding pipes 4;

the movable mould 3 is provided with a water supply system for supplying water to the cooling cavity 11, the water supply system comprises guide channels 12 which are arranged on the movable mould 3 and are communicated with the top ends of the two ends of the cooling cavity 11, the top ends of each guide channel 12 are respectively provided with a guide pipe 8, the top ends of a plurality of guide pipes 8 positioned at one side are connected through one shunt pipe 7, the two shunt pipes 7 are connected through a water pipe 5, the water pipe 5 is connected with a liquid inlet pipe 6, cooling water is communicated through the liquid inlet pipe 6, the cooling water enters each guide pipe 8 through the water pipe 5 and the shunt pipes 7 and enters each cooling cavity 11 through each guide channel 12, the water in each cooling cavity 11 is cooling water which directly flows out of the liquid inlet pipe 6, so that the water temperature in each cooling cavity 11 is consistent, the temperature of each part of the mould is uniform, the cooling efficiency and the cooling effect can be effectively improved, the molding work of the plastic part is facilitated;

the middle parts of the front side wall and the rear side wall of the fixed die 2 are provided with U-shaped openings 20, the bottoms of the front side wall and the rear side wall of the movable die 3 are provided with convex edges 26 matched with the U-shaped openings 20, two sides of the upper surface of the fixed die 2 are provided with limiting frames 23, two sides of the bottom of the movable die 3 are provided with limiting blocks 28 matched with the limiting frames 23, the edge of the upper surface of the fixed die 2 is provided with a sealing groove 21, the bottom of the edge of the movable die 3 is provided with sealing edges 25 matched with the sealing groove 21, four corners of the upper surface of the fixed die 2 are provided with guide holes 22, the bottom four corners of the movable die 3 is provided with guide posts 27 distributed corresponding to the guide holes 22, and the sealing edges 25 are matched with the guide posts 27 and the guide holes 22, so that when the movable die 3 is contacted with the fixed die 2, the sealing edges 25 are inserted into the sealing grooves 21, the sealing performance is improved, dislocation of the movable die 3 and the fixed die 2 can be effectively prevented in the forming process, the movable die 3 and the fixed die 2 are tightly meshed together, the quality of the misplacement of the fixed die 2 is effectively prevented, and the misplacement of products is prevented.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an automobile bumper mould, includes bottom plate (1), the upper surface of bottom plate (1) is provided with cover half (2), its characterized in that, the top of cover half (2) is provided with movable mould (3), be provided with in cover half (2) and become die cavity (17), the inside middle part of cover half (2) is provided with installation cavity (13), be provided with ejection mechanism in installation cavity (13), be located the both sides of installation cavity (13) in cover half (2) and all be provided with water catch bowl (10), and every the top of water catch bowl (10) is provided with three equidistant cooling chamber (11) of distribution, be linked together between the bottom middle part of cooling chamber (11) and water catch bowl (10), two water catch bowl (10) are connected through drain pipe (9), the bottom middle part of movable mould (3) be provided with shaping piece (24) that shaping cavity (17) assorted, just be provided with on movable mould (3) three equidistant and with shaping cavity (17) both sides all be provided with water catch bowl (11), and be provided with water supply pipe (20) on the side wall (2) of heating up side wall (4), the bottom of the front side wall and the bottom of the rear side wall of the movable die (3) are provided with convex edges (26) matched with the U-shaped opening (20), two sides of the upper surface of the fixed die (2) are provided with limiting frames (23), and two sides of the bottom of the movable die (3) are provided with limiting blocks (28) matched with the limiting frames (23).

2. The automobile bumper die according to claim 1, wherein the ejection mechanism comprises an electric push rod (14) mounted at the middle part of the inner wall of the bottom of the mounting cavity (13), a sliding plate (29) is arranged at the top end of the electric push rod (14), the sliding plate (29) is slidably connected with the inner wall of the mounting cavity (13), a plurality of ejector rods (15) distributed orderly at equal intervals are arranged on the upper surface of the sliding plate (29), and ejector blocks (16) are arranged at the top end of each ejector rod (15).

3. The automobile bumper die according to claim 2, wherein the radian of the upper surface of the top block (16) is matched with the radian of the forming cavity (17), a plurality of containing grooves (18) distributed in one-to-one correspondence with the top block (16) are formed in the surface of the forming cavity (17), the size of the top block (16) is matched with the size of the containing grooves (18), sliding holes (19) communicated with the mounting cavity (13) are formed in the middle of the bottom of the containing grooves (18), and the ejector rods (15) are in sliding connection with the sliding holes (19).

4. The automobile bumper die according to claim 1, wherein the water supply system comprises guide channels (12) which are arranged on the movable die (3) and are communicated with the top ends of two ends of the cooling cavity (11), each guide channel (12) is provided with a water guide pipe (8) at the top end, the top ends of the water guide pipes (8) positioned at one side are connected through one split pipe (7), two split pipes (7) are connected through a water pipe (5), and a liquid inlet pipe (6) is connected to the water pipe (5).

5. The automobile bumper die according to claim 1, wherein a sealing groove (21) is formed in the edge of the upper surface of the fixed die (2), sealing edges (25) matched with the sealing groove (21) are formed in the bottom of the edge of the movable die (3), guide holes (22) are formed in four corners of the upper surface of the fixed die (2), and guide posts (27) distributed corresponding to the guide holes (22) are formed in four corners of the bottom of the movable die (3).

6. An automobile bumper mould according to claim 1, characterized in that the inner wall of the feed pipe (4) is provided with heating wires.