CN219486466U - A slanted roof structure with internal movable inserts - Google Patents

Abstract

The utility model relates to the technical field of injection molding, in particular to an inclined top structure with an internal movable insert; the injection molding device comprises a fixed die holder and a movable die holder, wherein the movable die holder is matched with the fixed die holder so as to form a cavity between the fixed die holder and the movable die holder, a fixed die plate is arranged at the upper end of the fixed die holder, movable die heads are arranged on two sides of the fixed die heads, the fixed die heads and the movable die heads on the fixed die plate form the lower half part of the cavity, and an injection molding channel communicated with a molding cavity is arranged on the fixed die plate; the fixed die seat is internally provided with a die withdrawing assembly, and the die withdrawing assembly is connected with the two movable die heads in a matching way so that the die withdrawing assembly can move up and down on two sides of the fixed die heads; the utility model has reasonable structure, the two movable die heads are respectively attached to the inclined planes at the two sides of the fixed die head, the linkage rod pushes the movable die heads to rise along the inclined planes, the distance between the two movable die heads is reduced, and meanwhile, the product is driven to be separated from the fixed die heads, so that the demoulding efficiency and the demoulding effect are better.

Description

A slanted roof structure with internal movable inserts

technical field

The utility model relates to the technical field of injection molding, in particular to an inclined roof structure with internal movable inserts.

Background technique

Injection molding machine is the main molding equipment for making thermoplastics or thermosetting materials into various shapes of plastic products with plastic molding molds. The working principle of injection molding machine is similar to that of syringes for injection. The plastic in the molten state is injected into the closed mold cavity, and the product is obtained after solidification and shaping. The injection molding process can customize the mold according to the product, which can realize a relatively complex structure, strong flexibility, and high processing efficiency. A conventional injection mold is generally composed of an upper mold and a lower mold. The upper mold and the lower mold are paired to form a cavity between the two. Some products have a curved surface structure, and the cavity needs to be reversed. There are various concave-convex structures on the surface of the product. , After the mold is opened, the product is buckled on the molding surface of the lower mold, and it is difficult to demould, and the product is easy to be damaged during the demoulding process. Therefore, the prior art still needs to be improved and developed.

Utility model content

The purpose of the utility model is to aim at the defects and deficiencies of the prior art, and provide a slanted top structure with reasonable structure and internal movable inserts.

In order to achieve the above object, the utility model adopts the following technical solutions:

The inclined roof structure with internal movable inserts described in the utility model includes a fixed mold base and a movable mold base, and the movable mold base is matched with the fixed mold base to form a cavity between them. The upper end of the seat is provided with a fixed formwork, the fixed formwork is provided with a fixed die head, both sides of the fixed die head are provided with movable die heads, both sides of the movable die head are provided with buckle structures, and the fixed die head on the fixed formwork And the lower part of the cavity formed by the movable die head, the injection channel connecting the molding cavity is provided on the fixed template; the ejection mold assembly is arranged in the fixed mold base, and the ejection mold assembly cooperates with the two movable die heads Connected so that it can move up and down on both sides of the stationary die.

According to the above solution, the mating surface between the movable die head and the fixed die head is an inclined plane, and the inclined plane is set at an angle with the vertical direction; the mold ejection assembly can drive the movable die head to move up and down along the inclined plane.

According to the above scheme, two guide holes are provided on the fixed platen on both sides of the fixed die head, and two linkage rods are provided on the mold ejection assembly, and the upper ends of the two linkage rods can be movably installed in the corresponding guide holes Inside, and the upper end of the linkage rod is connected with the corresponding movable die head.

According to the above scheme, two limit sliding sleeves are arranged on the bottom surface of the fixed template, and the limit sliding sleeves are paired with the lower port of the guide hole, and the linkage rod can be movably installed in the limit slide sleeve and the guide hole Inside.

According to the above solution, the mold ejection assembly includes a base plate, which can move up and down in the fixed mold base, and the lower end of the linkage rod is connected with the base plate.

According to the above scheme, two floating sliding seats are arranged on the base plate, and the two floating sliding seats are fixedly arranged on the base plate at a distance from each other. Connected so as to translate along its transverse direction, and the lower ends of the two linkage rods are connected to the corresponding hinge bases in rotation.

According to the above scheme, a movable insert is provided on the outside of the movable die, and a groove is provided on the outer surface of the movable die, and the movable insert is detachably installed in the groove, and the movable insert and the movable die are There are button inserts between.

The beneficial effects of the utility model are: the structure of the utility model is reasonable, the base plate is driven by the cylinder assembly and can move up and down in the fixed mold seat, and when the base plate is lowered to the initial position, the two movable die heads are attached to the two sides of the fixed die head respectively. The slope forms the lower half of the cavity. When the injection molding is completed and the movable mold base is separated, the base plate pushes the movable die head to rise along the slope through the linkage rod. The distance between the two movable die heads is reduced, and at the same time, the product is separated from the fixed die head. , The demoulding efficiency and demoulding effect are better, and the buckle structure can prevent the problem that the product is difficult to demould.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the enlarged structure of part A in Fig. 1;

Fig. 3 is the front structural schematic view of the utility model;

Fig. 4 is a front sectional structural schematic diagram of the utility model.

In the picture:

1. Fixed mold seat; 2. Fixed template; 3. Movable die head; 11. Linkage rod; 12. Base plate; 13. Swimming slide seat; 14. Hinge seat; 21. Fixed die head; 22. Injection channel; 23 , guide hole; 24, limit sliding sleeve; 31, movable insert; 32, button plug-in.

Detailed ways

The technical scheme of the present utility model is described below in conjunction with accompanying drawing and embodiment.

As shown in Figures 1-4, a slanted top structure with internal movable inserts according to the utility model includes a fixed mold base 1 and a movable mold base, and the movable mold base is matched with the fixed mold base 1 so that the Form cavity between, the upper end of described fixed mold base 1 is provided with fixed template 2, fixed template 2 is provided with fixed die head 21, both sides of fixed die head 21 are all provided with movable die head 3, movable die head 3 The two sides of both sides are provided with buckle structure, the fixed mold head 21 on the fixed template 2 and the lower half of the movable mold head 3 form the cavity, the fixed template 2 is provided with the injection molding channel 22 that communicates with the molding cavity; The base 1 is provided with an ejection assembly, and the ejection assembly is connected with the two movable die heads 3 so that it can move up and down on both sides of the fixed die head 21 . The mold ejection assembly can move up and down in the fixed mold base 1 , and then drive the two movable die heads 3 to move up and down along the fixed die head 21 . The movable die head 3 cooperates with the fixed die head 21 to form the lower half of the cavity when it is in the initial position, and the movable die base and the fixed die base 1 are paired for injection molding to form the product in the die cavity. When demoulding, the movable mold base is separated from the fixed mold base 1 upwards, and the movable die head 3 is separated from the fixed die head 3 when the retreating mold assembly drives the movable die head 3 to move upwards, and simultaneously drives the product to separate from the fixed die head 3 . Preferably, during the upward movement of the two movable die heads 3, the distance between the two is reduced to separate the product from it, and the demoulding action can be completed at one time, preventing the product from being difficult to demould due to the buckle structure on the movable die head 3 question.

The mating surface between the movable die head 3 and the fixed die head 21 is an inclined plane, which is set at an angle with the vertical direction; the mold ejection assembly can drive the movable die head 3 to move up and down along the inclined plane. Described fixed die head 21 both sides have inclined-plane, same, the mating surface of described movable die head 3 is also inclined-plane, movable die head 3 can move up and down on the both sides of fixed die head 21 along inclined-plane, when two movable die heads When the head 3 goes up, the distance between the two becomes smaller so as to be separated from the product.

Two guide holes 23 are provided on the fixed template 2 on both sides of the fixed die head 21, and two linkage rods 11 are arranged on the mold ejection assembly, and the upper ends of the two linkage rods 11 can be movably installed in the corresponding guide holes. In the hole 23, and the upper end of the linkage rod 11 is connected with the corresponding movable die head 3. Two guide holes 23 are arranged symmetrically on both sides of the fixed die head 21, and the guide holes 23 run through the fixed template 2, so that the linkage rod 11 can move up and down along the guide holes 23, and then the ejection assembly can pass through the linkage rod 11. Drive two movable die heads 3 to move up and down.

The bottom surface of the fixed template 2 is provided with two limit sliding sleeves 24, the limit sliding sleeves 24 are paired with the lower port of the guide hole 23, and the linkage rod 11 is movably mounted on the limit sliding sleeves 24 and into the guide hole 23. The limit sliding sleeve 24 is used to limit the movement trajectory of the linkage rod 11, so that the movement trajectory of the linkage rod 11 is parallel to the inclined surface on the fixed die head 21. Lubricant is added to the limit sliding sleeve 24, which can reduce the movement trajectory of the linkage rod 11. And the frictional force of movable die head 3 when moving, improve flexibility and service life.

The mold ejection assembly includes a base plate 12 that can move up and down in the fixed mold base 1 , and the lower end of the linkage rod 11 is mated with the base plate 12 . The base plate 12 is used as the driving part of the linkage rod 11 and the movable die head 3. The base plate 12 is driven by the cylinder. When the base plate 12 moves up and down, it can drive the two linkage rods 11 to move synchronously, thereby ensuring that the actions of the two movable die heads 3 are synchronized. sex.

The base plate 12 is provided with two sliding seats 13, and the two sliding seats 13 are fixedly arranged on the base plate 12 at intervals. The sliding seat 13 is mated and connected so as to translate along its transverse direction, and the lower ends of the two linkage rods 11 are rotatably connected with the corresponding hinge seat 14 . When the linkage rod 11 moves up and down along the guide hole 23, the lower end of the linkage rod 11 has a lateral displacement, and then the sliding seat 13 can translate laterally along the base plate 12 with the movement of the linkage rod 11, so that the linkage rod 11 can move along the guide The hole 23 moves up and down smoothly.

The outside of described movable die head 3 is provided with movable insert 31, and the outer surface of movable die head 3 is provided with groove, and movable insert 31 is detachably installed in the groove, and movable insert 31 and movable die head 3 is provided with button insert 32 between. The movable insert 31 is used to cooperate with the movable die head 3 to realize the change of the shape of the style. The movable insert 31 is detachably installed on the groove through the button insert 32, which is convenient for adjusting the style of the product and maintaining the mold.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (7)

1. A slanted roof structure with internal movable inserts, comprising a fixed mold base (1) and a movable mold base, the movable mold base and the fixed mold base (1) are paired to form a mold cavity between the two, and its characteristics In that: the upper end of the fixed die base (1) is provided with a fixed template (2), the fixed template (2) is provided with a fixed die (21), and both sides of the fixed die (21) are provided with movable dies (3), both sides of the movable die head (3) are provided with buckle structures, the fixed die head (21) on the fixed template (2) and the lower half of the movable die head (3) form the cavity, the fixed template (2) is provided with the injection molding channel (22) that communicates with molding cavity; The described fixed mold base (1) is provided with ejection assembly, and ejection assembly is connected with two described movable mold heads (3) so that It can move up and down on both sides of the fixed die head (21). 2. The inclined roof structure with internal movable inserts according to claim 1, characterized in that: the mating surface between the movable die (3) and the fixed die (21) is an inclined plane, and the inclined plane and the vertical direction It is arranged at an included angle; the mold ejection assembly can drive the movable mold head (3) to move up and down along the slope. 3. The inclined roof structure with internal movable inserts according to claim 2, characterized in that: two guide holes (23) are opened on the fixed template (2) on both sides of the fixed die head (21), Two linkage rods (11) are arranged on the mold assembly, and the upper ends of the two linkage rods (11) can be movably inserted in the corresponding guide holes (23), and the upper ends of the linkage rods (11) and the corresponding movable The die head (3) is matched and connected. 4. The inclined roof structure with internal movable inserts according to claim 3, characterized in that: two limit sliding sleeves (24) are arranged on the bottom surface of the fixed template (2), and the limit sliding sleeves (24 ) is paired with the lower port of the guide hole (23), and the linkage rod (11) is movably passed through the limit sliding sleeve (24) and the guide hole (23). 5. The inclined roof structure with internal movable inserts according to claim 3, characterized in that: the mold ejection assembly includes a base plate (12), and the base plate (12) can move up and down in the fixed mold base (1), The lower end of the linkage rod (11) is matched with the base plate (12). 6. The inclined roof structure with internal movable inserts according to claim 5, characterized in that: the base plate (12) is provided with two sliding seats (13), and the two sliding seats (13) They are fixedly arranged on the base plate (12) at intervals, and a hinge seat (14) is provided on the sliding seat (13). The lower end of each linkage rod (11) is rotatably connected with the corresponding hinge seat (14). 7. The inclined roof structure with internal movable inserts according to claim 1, characterized in that: the outer side of the movable die head (3) is provided with a movable insert (31), and the outer surface of the movable die head (3) A groove is opened on the top, and the movable insert (31) is detachably installed in the groove, and a button insert (32) is arranged between the movable insert (31) and the movable die head (3).