CN220373811U - Automatic drawing of patterns injection moulding mould - Google Patents

Abstract

The utility model discloses an automatic demoulding injection molding mold, which includes a lower mold, an upper mold, an injection molding plate and a plurality of support rods. One end of the plurality of support rods is fixedly connected to the top of the lower mold respectively, and the bottom end of the upper mold is provided with At the other end of the multiple support rods, the injection molding plate is movably installed at the bottom of the upper mold. A hydraulic cylinder is provided at the bottom of the lower mold. The output shaft of the hydraulic cylinder is connected to a push plate. The limit rod, L rod, and limit rod are connected to the push plate. position bar, round hole, fan blade, guide hole, coolant and ventilation hole, start the fan blade, the wind generated by the fan blade will be blown to the surface of the die-casting part through multiple ventilation holes, and the limit rod can be Limit and fix the L-rod, and inject the coolant into the interior of the injection molding plate through the pumping pipe. The flow of the coolant will reduce the temperature of the surface of the injection molding plate. After the injection molding plate contacts the surface of the part, the temperature can be transferred to The surface of the workpiece can further cool the workpiece.

Description

An automatic demoulding injection molding mold

Technical field

The utility model relates to the technical field of injection molding molds, in particular to an automatic demoulding injection molding mold.

Background technique

The injection molding mold has two parts: a mold clamping device and an injection device. The mold clamping device can close the injection mold under injection pressure. It should be noted that before the plastic is injected into the mold, it must be melted and then the pressure controlled. Inject the melt into the mold at the desired speed. For soft plastic products such as polyethylene and polypropylene, a semicircular coarse-toothed thread with a smaller depth should be used, and the injection mold push plate should be used to extrude the product out of the core.

The surface temperature of injection molded products is relatively high, and it often takes a long time to cool down before demoulding. This process is time-consuming and labor-intensive, and the cooling efficiency is low, which reduces the efficiency of mold demoulding. For this purpose, an automatic Demold injection molding mold.

Utility model content

The purpose of this utility model is to provide an automatic demoulding injection molding mold to solve the problem in the above-mentioned background technology that it is often necessary to wait for a long time to cool before demoulding. This process is time-consuming and labor-intensive, and the cooling efficiency is low. question.

In order to achieve the above purpose, the present utility model provides the following technical solution: an automatic demoulding injection molding mold, including a lower mold, an upper mold, an injection plate and a plurality of support rods, one end of the plurality of support rods are respectively connected with the lower mold. The top end is fixedly connected, the bottom end of the upper mold is set at the other end of a plurality of support rods, the injection molding plate is movably installed at the bottom of the upper mold, a hydraulic cylinder is provided at the bottom of the lower mold, and the output of the hydraulic cylinder A push plate is connected to the shaft transmission. A limit rod is provided on the top of the upper mold. One end of the limit rod is fixedly installed with a limit rod. One end of the limit rod is provided with an L rod. One end of the L rod is provided with a push plate. There is a cooling rack, fan blades are provided inside the cooling rack, and a power switch is provided on the surface of the lower mold.

As a preferred technical solution of the present invention, one end of the L rod is movably connected to one end of the limit rod, and the fan blade is electrically connected to an external power supply through a power switch.

As a preferred technical solution of the present invention, a plurality of ventilation holes are provided on the bottom surface of the cooling frame, and the plurality of ventilation holes are arranged at equal intervals.

As a preferred technical solution of the present invention, a pumping pipe is provided at the top of the injection molding plate, and a plurality of flow guide pipes are provided on the outer wall of the pumping pipe.

As a preferred technical solution of the present invention, a plurality of guide holes are provided on the surfaces of the guide tubes, and cooling liquid is injected into the interior of the injection molding plate.

As a preferred technical solution of the present invention, two adjacent guide tubes are arranged at corresponding positions.

As a preferred technical solution of the present invention, the surface of the limit rod is rotationally mounted with a limit strip. The surfaces of the limit rod and the L rod are each provided with a plurality of round holes. The limit strip is connected with a plurality of Round hole threaded connection.

Compared with the existing technology, the beneficial effects of this utility model are:

The utility model is an automatic demoulding injection molding mold. By setting a limit rod, an L rod, a limit bar, a round hole, a fan blade, a guide hole, a cooling liquid and a ventilation hole, the fan blade is started, and the fan blade generates The wind will be blown to the surface of the die-cast part through multiple ventilation holes, which can gradually reduce the temperature of the surface of the part and speed up the cooling of the part. The L rod can expand and contract inside the limit rod, so The position and height of the cooling rack can be adjusted. After inserting the limit strip into the corresponding round hole and threading the connection, the limit rod and L rod can be limited and fixed, and the coolant can be injected into the injection molding plate through the pumping pipe. Inside, the flow of coolant will reduce the temperature of the surface of the injection molding plate. After the injection molding plate contacts the surface of the part, the temperature can be transferred to the surface of the part, further cooling the part.

Description of the drawings

Figure 1 is a schematic front view of the structure of the present utility model;

Figure 2 is an enlarged view of position A in Figure 1 of the present invention;

Figure 3 is a partial side structural schematic diagram of the utility model;

Figure 4 is a partial side sectional structural schematic diagram of the utility model;

Figure 5 is a partial front cross-sectional structural diagram of the utility model.

In the picture: 1. Lower mold; 2. Upper mold; 3. Injection plate; 4. Hydraulic cylinder; 5. Push plate; 6. Support rod; 7. Limit rod; 8. Limit rod; 9. Limit strip ; 10. Round hole; 11. L rod; 12. Cooling rack; 13. Fan blade; 14. Ventilation hole; 15. Pumping pipe; 16. Diversion pipe; 17. Diversion hole; 18. Coolant.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-5. This utility model provides a technical solution for automatic demoulding of injection molding molds:

As shown in Figure 1-5, an automatic demoulding injection molding mold includes a lower mold 1, an upper mold 2, an injection plate 3 and a plurality of support rods 6. One end of the plurality of support rods 6 is connected to the top of the lower mold 1 respectively. Fixed connection, the bottom end of the upper mold 2 is set at the other end of the plurality of support rods 6, the injection molding plate 3 is movably installed at the bottom of the upper mold 2, the bottom of the lower mold 1 is provided with a hydraulic cylinder 4, and the output shaft of the hydraulic cylinder 4 is driven A push plate 5 is connected, and a limit rod 7 is provided on the top of the upper mold 2. One end of the limit rod 7 is fixedly installed with a limit rod 8. One end of the limit rod 8 is provided with an L rod 11, and one end of the L rod 11 is provided with a cooling Rack 12, cooling rack 12 is provided with fan blades 13 inside, and a power switch is provided on the surface of the lower mold 1. One end of the L rod 11 is movably connected to an end of the limit rod 8, and the fan blade 13 is connected to the external power supply through the power switch. Sexually connected, the surfaces of the plurality of guide tubes 16 are provided with guide holes 17, and the cooling liquid 18 is injected into the interior of the injection molding plate 3. The wind generated by the fan blades 13 will be blown to the die-cast molded product through the plurality of ventilation holes 14. The surface of the part can gradually reduce the temperature of the surface of the part and speed up the cooling of the part. The L rod 11 can telescopically move inside the limit rod 8, so the position and height of the cooling rack 12 can be adjusted to limit the position. After the strip 9 is embedded into the corresponding round hole 10 and threadedly connected, the limiting rod 8 and the L rod 11 can be limited and fixed.

Working principle: Molten plastic is poured into the cavity of the lower mold 1, and then the injection molding plate 3 is connected to the equipment through the connector. The injection molding plate 3 is started. The injection molding plate 3 can move up and down freely, so it can continuously align the mold cavity. During die-casting, the workpiece will gradually be die-cast into shape. After the workpiece is cooled, start the hydraulic cylinder 4 to drive the push plate 5 connected to its output shaft to move up and down. When the push plate 5 moves upward, the workpiece can be automatically moved from When the inside of the mold is separated and the workpiece needs to be cooled, the staff can start the fan blade 13, and the wind generated by the fan blade 13 will be blown to the surface of the die-casted workpiece through the multiple ventilation holes 14, so that the surface of the workpiece can be The temperature gradually decreases, speeding up the cooling of the parts. The L rod 11 can telescopically move inside the limit rod 8, so the position and height of the cooling rack 12 can be adjusted, and the limit bar 9 can be embedded into the corresponding round hole 10. After the internal thread connection is made, the limit rod 8 and the L rod 11 can be limited and fixed, and the coolant 18 is injected into the inside of the injection molding plate 3 through the pumping pipe 15. The flow of the coolant 18 will lower the injection molding plate 3. The temperature of the surface, after the injection molding plate 3 comes into contact with the surface of the workpiece, the temperature can be transferred to the surface of the workpiece, and the workpiece can be further cooled. The thoroughly cooled workpiece has high molding quality and improves the practicality of the mold. sex.

In the description of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying what is meant. The devices or components must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

In the present utility model, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a direct connection. It can be indirectly connected through an intermediary, it can be the internal connection of two elements or the interactive relationship between two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand the above terms in this article according to the specific circumstances. The specific meaning in utility model.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An automatic demoulding injection molding mold, including a lower mold (1), an upper mold (2), an injection plate (3) and a plurality of support rods (6). One end of the plurality of support rods (6) is respectively Fixedly connected to the top of the lower mold (1), the bottom end of the upper mold (2) is set at the other end of a plurality of support rods (6), and the injection molding plate (3) is movably installed on the upper mold (2) The bottom is characterized in that: a hydraulic cylinder (4) is provided at the bottom of the lower mold (1), the output shaft of the hydraulic cylinder (4) is connected to a push plate (5), and the upper mold (2) A limit rod (7) is provided on the top. A limit rod (8) is fixedly installed on one end of the limit rod (7). An L rod (11) is provided on one end of the limit rod (8). The L rod A cooling rack (12) is provided at one end of (11), a fan blade (13) is provided inside the cooling rack (12), and a power switch is provided on the surface of the lower mold (1). 2. An automatic demoulding injection molding mold according to claim 1, characterized in that: one end of the L rod (11) is movably connected with an end of the limiting rod (8), and the fan blade (13) ) is electrically connected to the external power supply through the power switch. 3. An automatic demoulding injection molding mold according to claim 1, characterized in that: a plurality of ventilation holes (14) are provided on the bottom surface of the cooling rack (12), and a plurality of the ventilation holes (14) The set positions are arranged at equal intervals. 4. An automatic demoulding injection molding mold according to claim 1, characterized in that: the top of the injection molding plate (3) is provided with a pumping pipe (15), and the outer wall of the pumping pipe (15) is provided with a pumping pipe (15). Multiple draft tubes (16). 5. An automatic demoulding injection molding mold according to claim 4, characterized in that: the surfaces of the plurality of guide tubes (16) are provided with guide holes (17), and the injection molding plate (3 ) is filled with coolant (18). 6. An automatic demoulding injection molding mold according to claim 5, characterized in that the two adjacent guide tubes (16) are arranged in corresponding positions. 7. An automatic demoulding injection molding mold according to claim 1, characterized in that: a limiting bar (9) is mounted on the surface of the limiting rod (8), and the limiting rod (8) and A plurality of round holes (10) are provided on the surface of the L rod (11), and the limiting bar (9) is threadedly connected to the plurality of round holes (10).