Forming mold assembly for foaming forming of armrest assembly

Abstract

The utility model relates to a forming die assembly for foam forming of an armrest assembly, which is characterized by comprising a trapezoidal lower die, a lower die placing seat, an upper die, a left supporting side plate, a right supporting side plate and supporting legs, and a placing groove for placing the trapezoidal lower die is formed in the top of the lower die placing seat; the left side and the right side of the upper mold are each provided with a transmission plate connected with the upper mold into a whole, the four corners of the top of the lower mold containing base are each provided with a telescopic electric pole in an embedded mode, the shaft outlet ends of the telescopic electric poles are connected to the bottoms of the transmission plates, and the upper mold is driven by the telescopic electric poles to cover the top of the trapezoidal lower mold. The bottom of the upper die and the top of the trapezoidal lower die are provided with forming grooves used for forming the handrail sponge, the top of the upper die is provided with a material injection opening communicated with the forming grooves, the top of the upper die is further provided with a ventilation riser, and the ventilation riser is sealed through a riser plug. The design has the advantages of being simple in structure, easy to manufacture, practical and efficient.

Description

Technical Field

[0001] This utility model relates to a molding die, specifically to a molding die assembly for foaming an armrest assembly. Background Technology

[0002] The sponge body in the armrest assembly is produced by foaming during the manufacturing process. Foaming inevitably requires the use of molding die components. Existing molding die components are very troublesome to disassemble and assemble, and the material cutting is also difficult. Therefore, it is particularly important to design a molding die component for foaming armrest assembly in order to solve the above problems. Summary of the Invention

[0003] To solve the above problems, this utility model designs a molding die assembly for foaming handrail assembly. The trapezoidal lower die is a special structure composed of a left die and a right die. When the lifting hydraulic cylinder is started, the left die and the right die will automatically separate under the action of gravity. This structure facilitates material unloading.

[0004] To solve the above-mentioned technical problems, this utility model provides a molding die assembly for foaming an armrest assembly, characterized in that it includes a trapezoidal lower die, a lower die placement seat, an upper die, a left support side plate, a right support side plate, and support feet. The top of the lower die placement seat has a placement groove for placing the trapezoidal lower die. Each of the left and right sides of the upper die has a transmission plate integrally connected to it. A telescopic rod is embedded in each of the four corners of the top of the lower die placement seat. The output shaft end of the telescopic rod is connected to the bottom of the transmission plate. The upper die, driven by the telescopic rods, covers the top of the trapezoidal lower die. The bottom of the upper die and the top of the trapezoidal lower die have openings for the armrest foam. The upper mold has a molding groove, and the top of the upper mold is provided with a sluice gate that communicates with the molding groove. The top of the upper mold is also provided with a vent riser, which is sealed by a plug. The lower mold placement seat is rotatably connected between the left and right support side plates by rotating columns on the left and right sides. The right support side plate has a handle on its right side, which is rotatably connected to the right support side plate by a rotating shaft. The end of the rotating shaft away from the handle passes through the right support side plate and is connected to the rotating column on the right side of the lower mold placement seat. A rotation limiting mechanism is also provided between the lower mold placement seat and the left support side plate. The left and right support side plates are each connected to the top of a support foot by a height adjustment mechanism.

[0005] Furthermore: The trapezoidal lower mold is composed of a left mold and a right mold. The bottom of the left mold is connected to the positioning shaft through a first connecting piece, and the bottom of the right mold is also connected to the positioning shaft through a second connecting piece. Both the first and second connecting pieces can rotate around the positioning shaft. A lifting hydraulic cylinder is installed at the bottom of the lower mold placement seat, and the output shaft end of the lifting hydraulic cylinder is connected to the positioning shaft.

[0006] Furthermore: the rotation limiting mechanism includes a limiting plate, a limiting rod, a spring, and a baffle. The limiting plate is connected to the left side wall of the left support side plate by the spring. The left support side plate has a guide hole that matches the limiting rod. The left end face of the lower mold placement seat has a limiting hole that matches the limiting rod at the position relative to the guide hole. One end of the limiting rod is fixed to the limiting plate, and the other end of the limiting rod passes through the guide hole and extends into the limiting hole under the action of the spring. One end of the baffle is rotatably connected to the right side wall of the left support side plate by a pin. The baffle blocks the guide hole by rotating.

[0007] Furthermore: The height adjustment mechanism includes an extension portion integrally connected to the bottom of the left and right support side plates, a guide groove and a locking post that are opened on the top of the support foot and match the extension portion. The lower end of the extension portion extends into the guide groove, and grooves are opened on both the left and right sides of the lower end of the extension portion. One end of the locking post is connected to the groove through a second spring. Several locking holes communicating with the guide groove are opened on the outer walls of both the left and right sides of the support foot. Several locking holes on the same side are arranged in a straight line from top to bottom. The other end of the locking post is spherical and extends out of the support foot along the locking hole under the action of the second spring.

[0008] With the above structure, the trapezoidal lower mold in this utility model is a special structure composed of a left mold and a right mold. When the lifting hydraulic cylinder is started, the left mold and the right mold will automatically separate under the action of gravity. This structure facilitates material unloading. In addition, this utility model has the advantages of simple structure, easy manufacturing and high efficiency. Attached Figure Description

[0009] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 This is a diagram showing the connection structure of the left support side plate.

[0012] Figure 3 This is a structural diagram of the trapezoidal lower mold. Detailed Implementation

[0013] like Figure 1 The diagram shows a molding die assembly for foaming an armrest assembly, comprising a trapezoidal lower die, a lower die placement seat 1, an upper die 3, a left support side plate 8, a right support side plate 9, and support feet 16. The top of the lower die placement seat has a placement groove for placing the trapezoidal lower die. Each of the left and right sides of the upper die has a transmission plate 6 integrated with it. A telescopic rod 7 is embedded in each of the four corners of the top of the lower die placement seat. The output shaft end of the telescopic rod is connected to the bottom of the transmission plate. The upper die, driven by the telescopic rod, covers the top of the trapezoidal lower die. The bottom of the upper die and the top of the trapezoidal lower die have molding grooves for molding armrest foam. The top of the mold is provided with an injection port 4 that communicates with the molding groove. The top of the upper mold is also provided with a vent riser, which is sealed by a plug 5. The lower mold placement seat is rotatably connected between the left and right support side plates via rotating columns on the left and right sides. A handle 10 is provided on the right side of the right support side plate. The handle is rotatably connected to the right support side plate via a rotating shaft. The end of the rotating shaft away from the handle passes through the right support side plate and is connected to the rotating column on the right side of the lower mold placement seat. A rotation limiting mechanism is also provided between the lower mold placement seat and the left support side plate. The left and right support side plates are each connected to the top of a support leg 16 via a height adjustment mechanism. During operation, the telescopic pole is activated to close the upper mold onto the lower mold placement seat. Material is injected into the molding groove through the injection port. During the injection process, the lower mold placement seat can be rotated back and forth by the handle, and foaming and molding are performed using the upper mold and the trapezoidal lower mold.

[0014] like Figure 1 and Figure 3 The trapezoidal lower mold is composed of a left mold 2-1 and a right mold 2-2. The bottom of the left mold 2-1 is connected to the positioning shaft 20 via a first connecting piece 19, and the bottom of the right mold 2-2 is also connected to the positioning shaft 20 via a second connecting piece 21. Both the first connecting piece 19 and the second connecting piece 21 can rotate around the positioning shaft 20. A lifting hydraulic cylinder 11 is installed at the bottom of the lower mold placement seat, and the output shaft end 11-1 of the lifting hydraulic cylinder is connected to the positioning shaft. The trapezoidal lower mold in this utility model has a special structure composed of a left mold and a right mold. When the lifting hydraulic cylinder is activated, the left mold and the right mold will automatically separate under the action of gravity. This structure facilitates material unloading.

[0015] like Figure 1 and Figure 2The rotation limiting mechanism shown includes a limiting plate 12, a limiting rod 13, a spring 15, and a baffle 14. The limiting plate is connected to the left side wall of the left support side plate via the spring. The left support side plate has a guide hole that matches the limiting rod. The left end face of the lower mold placement seat has a limiting hole that matches the limiting rod, positioned relative to the guide hole. One end of the limiting rod is fixed to the limiting plate, and the other end of the limiting rod passes through the guide hole and extends into the limiting hole under the action of the spring. One end of the baffle is rotatably connected to the right side wall of the left support side plate via a pin. The baffle blocks the guide hole by rotating. When the baffle is used for blocking, rotating the handle can drive the lower mold placement seat to rotate. After the limiting rod is inserted into the limiting hole, the handle cannot be rotated.

[0016] like Figure 1 and Figure 2 The height adjustment mechanism shown includes an extension 17 integrally connected to the bottom of the left and right support side plates, a guide groove and a locking post 18 matched with the extension 17 and located on the top of the support foot. The lower end of the extension 17 extends into the guide groove, and grooves are provided on both the left and right sides of the lower end of the extension 17. One end of the locking post is connected to the groove by a second spring. Several locking holes communicating with the guide groove are provided on the outer walls of both sides of the support foot. Several locking holes on the same side are arranged in a straight line from top to bottom. The other end of the locking post is spherical and extends out of the support foot along the locking hole under the action of the second spring.

[0017] This invention allows for adjustment of the height of the lower mold placement seat by employing this structure.

[0018] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should be considered within its protection scope.

Claims

1. A molding die assembly for foaming an armrest assembly, characterized in that: The system includes a trapezoidal lower mold, a lower mold placement seat (1), an upper mold (3), a left support side plate (8), a right support side plate (9), and support feet (16). The lower mold placement seat has a placement groove on its top for placing the trapezoidal lower mold. The upper mold has a transmission plate (6) integrated with it on each of its left and right sides. A telescopic electric rod (7) is embedded in each of the four corners of the top of the lower mold placement seat. The output shaft of the telescopic electric rod is connected to the bottom of the transmission plate. The upper mold is closed onto the top of the trapezoidal lower mold by the telescopic electric rod. The bottom of the upper mold and the top of the trapezoidal lower mold have forming grooves for forming armrest sponge. The top of the upper mold has... The injection port (4) is connected to the molding groove. The top of the upper mold is also provided with a vent riser. The vent riser is sealed by a plug (5). The lower mold placement seat is rotatably connected between the left support side plate and the right support side plate by rotating columns set on the left and right sides. A handle (10) is provided on the right side of the right support side plate. The handle is rotatably connected to the right support side plate by a rotating shaft. The end of the rotating shaft away from the handle passes through the right support side plate and is connected to the rotating column on the right side of the lower mold placement seat. A rotation limiting mechanism is also provided between the lower mold placement seat and the left support side plate. The left support side plate and the right support side plate are each connected to the top of a support foot (16) by a height adjustment mechanism.

2. The molding die assembly for foaming an armrest assembly according to claim 1, characterized in that: The trapezoidal lower mold is composed of a left mold (2-1) and a right mold (2-2). The bottom of the left mold (2-1) is connected to the positioning shaft (20) through a first connecting piece (19), and the bottom of the right mold (2-2) is also connected to the positioning shaft (20) through a second connecting piece (21). Both the first connecting piece (19) and the second connecting piece (21) can rotate around the positioning shaft (20). A lifting hydraulic cylinder (11) is installed at the bottom of the lower mold placement seat, and the output shaft end (11-1) of the lifting hydraulic cylinder is connected to the positioning shaft.

3. The molding die assembly for foaming an armrest assembly according to claim 1, characterized in that: The rotation limiting mechanism includes a limiting plate (12), a limiting rod (13), a spring (15), and a baffle (14). The limiting plate is connected to the left side wall of the left support side plate by the spring. The left support side plate has a guide hole that matches the limiting rod. The left end face of the lower mold placement seat has a limiting hole that matches the limiting rod at the position relative to the guide hole. One end of the limiting rod is fixed to the limiting plate, and the other end of the limiting rod passes through the guide hole and extends into the limiting hole under the action of the spring. One end of the baffle is rotatably connected to the right side wall of the left support side plate by a pin. The baffle blocks the guide hole by rotating.

4. The molding die assembly for foaming an armrest assembly according to claim 1, characterized in that: The height adjustment mechanism includes an extension (17) integrally connected to the bottom of the left and right support side plates, a guide groove and a locking post (18) matched with the extension, which are opened on the top of the support foot. The lower end of the extension extends into the guide groove, and grooves are opened on both the left and right sides of the lower end of the extension. One end of the locking post is connected to the groove through a second spring. Several locking holes connected to the guide groove are opened on the outer walls of the left and right sides of the support foot. Several locking holes on the same side are arranged in a straight line from top to bottom. The other end of the locking post is spherical and extends out of the support foot along the locking hole under the action of the second spring.

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