CN220464580U - Hollow forming die for plastic products - Google Patents

Abstract

The utility model relates to the technical field of plastic product hollow molding, in particular to a hollow molding die of a plastic product, which comprises: the plastic product forming device comprises a base, wherein a supporting frame is arranged on the base, a screw rod is connected in the supporting frame, a movable plate is arranged on the outer side of the screw rod, an upper shell is arranged on one side of the movable plate in a moving mode, a feeding hole is formed in the top surface of the upper shell, a cooling pipe is arranged on one side of the feeding hole, a bottom shell is connected to the bottom side of the upper shell, a supporting ring is arranged on the outer side of the bottom shell, a cooling cavity is formed between the bottom shell and the inner wall of the upper shell, a cooling pump is arranged in the base, and the cooling cavity on the bottom shell is communicated with the cooling pump.

Description

Hollow forming die for plastic products

Technical Field

The utility model relates to the technical field of plastic product hollow molding, in particular to a hollow molding die of a plastic product.

Background

A plastic article is an article made of plastic material, which is widely used in various fields such as industry, consumer goods, medical treatment, construction, etc., and a hollow molding die is a special die for producing a hollow plastic article, in which plastic is extruded or injected into a die, and the plastic is adapted to the internal shape of the die by applying pressure inside before the shape is fixed. After cooling and hardening, the hollow member can be removed from the mold.

Patent publication number CN212045597U discloses a plastic products's forming die, the device carries out the interpolation of material through the sprue gate, drive the mould through motor belt's transmission and rotate, rotatory in-process material can adhere to novel hollow article on the inboard surface of mould main part, the device can be quick the preparation of completion hollow article, but does not carry out the cooling in rotatory in-process and handles, the material is difficult to rapid prototyping, the material that the rotation goes up still can flow down to the qualification rate of product has been reduced, the hollow forming die of plastic products has been proposed for this reason.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a hollow molding die for plastic products, overcomes the defects of the prior art and aims at solving the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a hollow forming die of plastic products, includes the base, install the support frame on the base, the support frame in-connection has the lead screw, the outside of lead screw is provided with the movable plate, one side motion of movable plate is provided with the epitheca, the charge door has been seted up on the top surface of epitheca, one side of charge door is provided with the cooling tube, the bottom side of epitheca is connected with the drain pan, support ring is installed in the outside of drain pan, the drain pan with the cooling chamber has all been seted up between the inner wall of epitheca, install the cooling pump in the base, the cooling chamber on the drain pan is linked together with the cooling pump, the one end of cooling tube is connected in the cooling pump.

Preferably, the screw rod is rotatably connected to the inner side of the supporting frame, a rotary motor is mounted on the bottom end of the screw rod, and the moving plate is in threaded connection with the outer surface of the screw rod.

Preferably, a rotating motor is mounted on the bottom surface of the movable plate, a connecting rod is welded on the top surface of the upper shell, the connecting rod penetrates through the movable plate and is in rotary connection with the movable plate, a driving belt is connected to the output end of the rotating motor, the other side of the driving belt is connected to the outer surface of the connecting rod, and the other ends of the two ends of the cooling pipe are movably connected to the connecting rod.

Preferably, one end of the supporting ring is welded and installed on one side of the supporting frame, and the bottom shell is movably arranged on the inner side of the supporting ring.

Preferably, the upper shell and the bottom shell are internally provided with mould cavities, the charging port is communicated with the mould cavities, and the upper shell is movably connected to the top surface of the bottom shell.

Preferably, a connecting pipe is arranged on the bottom surface of the upper shell, a groove is correspondingly arranged on the top surface of the bottom shell, the connecting pipe is inserted in the groove, a limiting ring is arranged on the inner wall of the groove, a moving block is movably connected between the limiting rings, a spring is connected between the moving block and the limiting ring, and the connecting pipe is movably connected on the top surface of the moving block.

The beneficial effects of the utility model are as follows:

according to the utility model, the upper shell and the bottom shell can be rotated through the transmission belt, the raw materials are added through the charging hole, the raw materials can be rapidly cooled through the cooling pipe and the cooling cavity, so that the raw materials can be rapidly molded, and the manufactured articles can be conveniently taken out through the moving plate and the supporting ring.

The utility model reduces the possibility of slower molding time in the hollow molding process of plastic products, reduces the possibility of incapability of rapid solidification during rotation, and improves the circulating cooling effect of the device, thereby accelerating the molding speed and improving the qualification rate of products during manufacturing.

Drawings

FIG. 1 is a schematic structural view of a hollow molding die for plastic products according to the present utility model;

FIG. 2 is a schematic front view of a hollow molding die for plastic products according to the present utility model;

FIG. 3 is a schematic side view of a hollow molding die for plastic products according to the present utility model;

fig. 4 is a schematic structural diagram of a portion a in fig. 2.

In the figure: 1. a base; 2. a support frame; 3. a screw rod; 4. a moving plate; 5. a feed inlet; 6. an upper case; 7. a connecting pipe; 8. a support ring; 9. a bottom case; 10. a cooling pipe; 11. a cooling cavity; 12. a drive belt; 13. a moving block; 14. and (3) a spring.

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.

Example 1:

referring to fig. 1-4, the hollow molding die of plastic products, including base 1, install support frame 2 on the base 1, the interior connection of support frame 2 has lead screw 3, lead screw 3 rotates the inboard of connection at support frame 2, install rotary motor on the bottom of lead screw 3, movable plate 4 threaded connection is on the surface of lead screw 3, the outside of lead screw 3 is provided with movable plate 4, install the rotating electrical machines on the bottom surface of movable plate 4, the connecting rod is installed to the welding on the top surface of epitheca 6, the connecting rod runs through movable plate 4, and be rotatory connection between it and the movable plate 4, be connected with driving belt 12 on the output of rotating electrical machines, the opposite side of driving belt 12 is connected on the surface of connecting rod, cooling tube 10 both ends other end motion is connected on the connecting rod, one side motion of movable plate 4 is provided with epitheca 6, the charge door 5 has been seted up on the top surface of epitheca 6, one side of charge door 5 is provided with cooling tube 10, the bottom side of epitheca 6 is connected with drain pan 9, support ring 8 is installed in the outside of drain pan 9, all offer cooling cavity 11 between drain pan 9 and the inner wall of epitheca 6, install cooling cavity 11 in base 1, the drain pan 9 is connected with cooling pump 10 in cooling cavity 11.

In this implementation, the one end welding of holding ring 8 is installed in one side of support frame 2, the drain pan 9 motion sets up in the inboard of holding ring 8, all be provided with the mould chamber in epitheca 6 and the drain pan 9, be linked together between charge door 5 and the mould chamber, epitheca 6 mobile connection is on the top surface of drain pan 9, connecting pipe 7 has been seted up on the bottom surface of epitheca 6, correspond on the top surface of drain pan 9 and set up flutedly, connecting pipe 7 peg graft in the recess, be provided with the spacing ring on the inner wall of recess, the removal is connected with movable block 13 between the spacing ring, be connected with spring 14 between movable block 13 and the spacing ring, connecting pipe 7 mobile connection is on the top surface of movable block 13.

Working principle: the raw materials are added from the charging hole 5, after the raw materials are added, the transmission belt 12 is controlled to rotate, the upper shell 6 is driven to rotate, the upper shell 6 rotates to drive the bottom shell 9 to rotate, raw material liquid can be attached to the inner surfaces of the upper shell 6 and the bottom shell 9 under the action of centrifugal force during rotation, at this time, the cooling pipe 10 is controlled to carry out the transmission of cooling liquid, the cooling liquid can flow between the cooling cavities 11, finally, the cooling pump is used for cooling liquid through the cooling pump, after cooling, the cooling liquid is conveyed through the cooling pipe 10 again, after cooling, the cooling liquid can be fully collected back into the cooling pump, the movable plate 4 is controlled to move upwards, the upper shell 6 and the bottom shell 9 can be separated, plastic products can be conveniently taken out, and when the upper shell 6 and the bottom shell 9 are separated, the movable block 13 can block the hole, and the temperature of the cooling liquid can be prevented from leaking.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A hollow molding die for plastic products, comprising:

base (1), install support frame (2) on base (1), support frame (2) in-connection has lead screw (3), the outside of lead screw (3) is provided with movable plate (4), one side motion of movable plate (4) is provided with epitheca (6), feed inlet (5) have been seted up on the top surface of epitheca (6), one side of feed inlet (5) is provided with cooling pipe (10), the downside of epitheca (6) is connected with drain pan (9), support ring (8) are installed in the outside of drain pan (9), drain pan (9) with cooling chamber (11) have all been seted up between the inner wall of epitheca (6), install the cooling pump in base (1), cooling chamber (11) on drain pan (9) are linked together with the cooling pump, the one end of cooling pipe (10) is connected in the cooling pump.

2. The hollow molding die of plastic products according to claim 1, characterized in that the screw rod (3) is rotatably connected to the inner side of the supporting frame (2), a rotary motor is installed on the bottom end of the screw rod (3), and the moving plate (4) is screwed on the outer surface of the screw rod (3).

3. The hollow molding die of plastic products according to claim 2, characterized in that a rotating motor is installed on the bottom surface of the moving plate (4), a connecting rod is installed on the top surface of the upper shell (6) in a welded mode, the connecting rod penetrates through the moving plate (4) and is in rotary connection with the moving plate (4), a transmission belt (12) is connected to the output end of the rotating motor, the other side of the transmission belt (12) is connected to the outer surface of the connecting rod, and the other ends of two ends of the cooling tube (10) are movably connected to the connecting rod.

4. A hollow forming mould for plastic products according to claim 3, characterized in that one end of the supporting ring (8) is welded on one side of the supporting frame (2), and the bottom shell (9) is arranged on the inner side of the supporting ring (8) in a moving way.

5. The hollow molding die for plastic products according to claim 4, wherein the upper shell (6) and the bottom shell (9) are respectively provided with a die cavity, the charging port (5) is communicated with the die cavities, and the upper shell (6) is movably connected to the top surface of the bottom shell (9).

6. The hollow molding die for plastic products according to claim 5, characterized in that a connecting pipe (7) is arranged on the bottom surface of the upper shell (6), a groove is correspondingly arranged on the top surface of the bottom shell (9), the connecting pipe (7) is inserted in the groove, a limiting ring is arranged on the inner wall of the groove, a moving block (13) is movably connected between the limiting rings, a spring (14) is connected between the moving block (13) and the limiting ring, and the connecting pipe (7) is movably connected on the top surface of the moving block (13).