CN213055860U

CN213055860U - Injection mold for automobile sash bar

Info

Publication number: CN213055860U
Application number: CN202020904312.6U
Authority: CN
Inventors: 蔡胜军
Original assignee: Yancheng Boshi Automotive Mould Co ltd
Current assignee: Yancheng Dingmei Intelligent Machinery Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-04-27
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses an automobile window frame strip injection mold, including last mould, lower mould, the top of going up the mould is equipped with the sprue gate, goes up the mould and is equipped with the die cavity in the lower mould, still including setting up the last cooling tube in the last mould, set up the lower cooling tube in the lower mould, it is two sets of to go up the cooling tube, the symmetry sets up in the die cavity both sides, the top of two sets of last cooling tubes extends to the mould top, the bottom of going up the cooling tube extends to last mould below, the cooling tube is the U type down, the opening at its both ends is located the top of lower mould, go up the mould and the lower mould folds the back, the bottom of going up the cooling tube docks with the. After the injection molding of the automobile sash bar, the mold is not required to be placed into a cooling device, so that the rapid cooling can be realized, the cooling effect is high, and the automobile sash bar is safer.

Description

Injection mold for automobile sash bar

Technical Field

The utility model relates to an automobile mold technical field specifically is an automobile sash strip injection mold.

Background

Automobiles have become necessities of life of people, and the requirements on automobiles are continuously increased, particularly the performance and appearance of the automobiles, so that automobile manufacturers are prompted to innovate and even change over the manufacturing process and the quality requirement.

The window frame strip belongs to the main fittings of automobile window, and its function is to fix the window and seal. In the manufacturing process of the sash bar, the sash bar is required to be formed by injection molding in a mold, and a finished product is taken out after cooling. However, in the cooling process, some methods naturally cool the materials by standing, but the time consumption is long and the cooling effect is poor; some of the molds are placed into a cooling device for cooling, but the molds need to be manually moved into the cooling device, which is inconvenient and dangerous due to high temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a car sash strip injection mold to solve the problem that cooling rate is slow, the cooling effect is poor and cooling efficiency is low.

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

the utility model provides an automobile window frame strip injection mold, includes mould, lower mould, the top of going up the mould is equipped with the sprue, upward be equipped with the molding chamber in mould and the lower mould, still including setting up last cooling tube in the last mould, setting up the lower cooling tube in the lower mould, it is two sets of to go up the cooling tube, and the symmetry sets up in the molding chamber both sides, and the top of two sets of last cooling tubes extends to last mould top, the bottom of going up the cooling tube extends to last mould below, the cooling tube is the U type down, and the opening at its both ends is located the top of lower mould, go up mould and lower mould and fold the back, go up the bottom of cooling tube and the butt joint of the top.

Preferably, go up the cooling tube including being responsible for, first water tank, second water tank and last support pipe, be responsible for and be located the outside of last mould upper end, two are responsible for and set up with the sprue symmetry, first water tank and the below intercommunication of being responsible for, first water tank buries underground in the upside of last mould, and the last support pipe of cooling tube is three on every group, and its upper end and first water tank intercommunication, lower extreme and second water tank intercommunication, the second water tank is located the outside of last mould lower extreme, and the bottom surface of second water tank is equipped with three apopore with last support pipe intercommunication.

Preferably, the lower cooling pipe comprises two water tanks and three lower branch pipes, the two water tanks are embedded in the upper side of the lower die, the three lower branch pipes are U-shaped, two ends of each lower branch pipe penetrate through the bottom of the water tank and are located in the water tank, the second water tank can be inserted into the water tank, and three water outlet holes in the bottom surface of the second water tank are respectively in butt joint with the three lower branch pipes in the water tank after the second water tank is inserted.

Preferably, the lower end of the middle part of the upper die is provided with a convex ring, the middle part of the lower die is provided with a boss matched with the convex ring, and the convex ring is abutted against the boss after the upper die and the lower die are folded.

Preferably, the inner wall of the water tank is provided with a sealing gasket.

The utility model has the advantages that: after injection molding, cooling water can be added from the top end of the upper cooling pipe on one side, enters the lower cooling pipe from the upper cooling pipe, bypasses the molding cavity in the lower die, enters the upper cooling pipe on the other side from the other end of the lower cooling pipe, and finally flows out through the upper cooling pipe. Need not to put into cooling device with the mould again, can realize quick cooling, not only the cooling effect is high, and is safer moreover.

Drawings

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

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a top view of the upper die;

FIG. 4 is a schematic view of an upper cooling tube;

FIG. 5 is a schematic view of a lower cooling tube;

in the figure, 1-upper die, 2-lower die, 3-casting gate, 4-forming cavity, 5-upper cooling pipe, 51-main pipe, 52-first water tank, 53-second water tank, 54-upper branch pipe, 55-water outlet, 6-lower cooling pipe, 61-water tank, 62-lower branch pipe, 7-convex ring, 8-convex table and 9-sealing pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1-5, an injection mold for an automotive sash bar comprises an upper mold 1 and a lower mold 2, wherein a casting opening 3 is formed at the top of the upper mold 1, a molding cavity 4 is formed in the upper mold 1 and the lower mold 2, and the injection mold further comprises an upper cooling tube 5 arranged in the upper mold 1 and a lower cooling tube 6 arranged in the lower mold 2; the top of two sets of upper cooling tubes 5 extends to last mould 1 top, and the bottom of upper cooling tubes 5 extends to last mould 1 below, and lower cooling tube 6 is the U type, and the opening at its both ends is located the top of lower mould 2, goes up mould 1 and lower mould 2 and folds the back, and the bottom of upper cooling tubes 5 docks with the top of lower cooling tubes 6.

Specifically, the upper cooling pipes 5 are two groups and symmetrically arranged on two sides of the molding cavity 4, each upper cooling pipe 5 comprises a main pipe 51, a first water tank 52, a second water tank 53 and an upper support pipe 54, the two main pipes 51 are positioned on the outer side of the upper end of the upper die 1 and symmetrically arranged by the casting openings 3, the first water tanks 52 are communicated with the lower parts of the main pipes 51, the first water tanks 52 are embedded on the upper side of the upper die 1, the upper support pipes 54 of each group of upper cooling pipes are three, the upper ends of the upper support pipes are communicated with the first water tanks 52, the lower ends of the upper support pipes are communicated with the second water tanks 53, the second water tanks 53 are positioned on the outer side of the lower end of the upper die 1.

The lower cooling pipe 6 comprises a water tank 61 and two lower branch pipes 62, the two water tanks 61 are embedded at the upper side of the lower die 2, the inner wall of the water tank 61 is provided with a sealing gasket 9, the three lower branch pipes 62 are U-shaped, two ends of each lower branch pipe 62 penetrate through the bottom of the water tank 61 and are positioned in the water tank, the second water tank 53 can be inserted into the water tank 61, and three water outlet holes 55 at the bottom of the second water tank 53 are respectively butted with the three lower branch pipes 62 in the water tank after being inserted.

The lower extreme in the middle part of going up mould 1 is equipped with bulge loop 7, and the middle part of lower mould 2 is equipped with boss 8 with bulge loop complex, and after last mould and lower mould folded, bulge loop 7 supported and leaned on boss 8 to do benefit to and go up the butt joint of mould and lower mould.

The utility model discloses a theory of operation does: butting the upper die with the lower die to enable the convex ring to abut against the boss, and simultaneously inserting the second water tank 53 into the water tank, wherein before the second water tank is inserted, a water outlet at the bottom of the second water tank needs to be aligned with a lower support pipe in the water tank so as to enable the second water tank to be communicated with the lower support pipe; and then, injecting a molten material from a casting opening, adding cooling water into the main pipe of one of the upper cooling pipes after the molten material is formed, wherein the cooling water firstly enters the first water tank, then is distributed to the upper branch pipe by the first water tank, then enters the second water tank through the upper branch pipe, is distributed to the lower branch pipe by the second water tank, bypasses the forming cavity of the lower die through the lower branch pipe, flows out from the other side of the forming cavity, passes through the second water tank, the upper branch pipe and the first water tank on the other side again, and finally flows out from the main pipe on the other side. Due to the arrangement of the upper branch pipe and the lower branch pipe, the contact area of cooling water and the mold can be increased, the contact area is increased, and the cooling of finished products in a forming cavity is facilitated.

In conclusion, after the injection molding of the automobile sash bar, the rapid cooling can be realized without putting the mold into the cooling device, so that the cooling effect is high and the safety is higher.

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.

Claims

1. An injection mold for automobile sash bars comprises an upper mold (1) and a lower mold (2), the top of the upper die (1) is provided with a casting opening (3), the upper die (1) and the lower die (2) are internally provided with a molding cavity (4), it is characterized by also comprising upper cooling pipes (5) arranged in the upper die (1) and lower cooling pipes (6) arranged in the lower die (2), wherein the number of the upper cooling pipes (5) is two, symmetrically arranged at two sides of the molding cavity (4), the top ends of the two groups of upper cooling tubes (5) extend to the upper part of the upper die (1), the bottom end of the upper cooling pipe (5) extends to the lower part of the upper die (1), the lower cooling pipe (6) is U-shaped, the openings at the two ends are positioned at the top of the lower die (2), after the upper die (1) and the lower die (2) are folded, the bottom end of the upper cooling pipe (5) is butted with the top end of the lower cooling pipe (6).

2. The injection mold for automotive sash bars according to claim 1, wherein the upper cooling tubes (5) comprise main tubes (51), first water tanks (52), second water tanks (53), and upper support tubes (54), the two main tubes (51) are located outside the upper end of the upper mold (1) and symmetrically disposed with respect to the casting ports (3), the first water tanks (52) are communicated with the lower portions of the main tubes (51), the first water tanks (52) are embedded in the upper side of the upper mold (1), the number of the upper support tubes (54) of each group of upper cooling tubes is three, the upper ends thereof are communicated with the first water tanks (52), the lower ends thereof are communicated with the second water tanks (53), the second water tanks (53) are located outside the lower end of the upper mold (1), and the bottom surfaces of the second water tanks (53) are provided with three water outlet holes (55) communicated with the upper support tubes (54).

3. The injection mold for the sash bars of the automobile of claim 2, wherein the lower cooling tubes (6) comprise two water tanks (61) and three lower support tubes (62), the two water tanks (61) are embedded at the upper side of the lower mold (2), the three lower support tubes (62) are U-shaped, two ends of the lower support tubes (62) penetrate through the bottom of the water tanks (61) and are positioned in the water tanks, the second water tank (53) can be inserted into the water tanks (61), and three water outlet holes (55) at the bottom of the second water tank (53) are respectively butted with the three lower support tubes (62) in the water tanks after being inserted.

4. The injection mold for automotive sash bars according to claim 1, wherein the lower end of the middle portion of the upper mold (1) is provided with a protruding ring (7), the middle portion of the lower mold (2) is provided with a boss (8) engaged with the protruding ring, and the protruding ring (7) abuts against the boss (8) when the upper and lower molds are closed.

5. The automotive sash bar injection mold according to claim 3, wherein the inner wall of the water tank (61) is provided with a gasket (9).