CN-224224442-U - Plastic cement cylinder product injection molding and demolding mold

Abstract

The utility model provides an injection molding and demolding mold for plastic cement cylinder products, which comprises a lower mold, wherein synchronous hydraulic lifting rods are arranged at four corners of the lower mold, an upper mold is arranged at the top of the synchronous hydraulic lifting rods, an injection molding pipe is embedded at one side of the top of the upper mold, an injection port is arranged at one side of the bottom of the upper mold, the injection molding pipe is communicated with the injection port in a sealing way, injection grooves are arranged at two sides of the bottom of the inner wall of the lower mold, synchronous electric telescopic rods are arranged at one side of the inner wall of the injection grooves, a special-shaped plugging block is arranged at one end of each synchronous electric telescopic rod, an injection electromagnetic valve is embedded at the top of the other side of the inner wall of the injection groove, and a drain electromagnetic valve is embedded at the bottom of the other side of the inner wall of the injection groove.

Inventors

• LUO XINMING

Assignees

• 东莞市明盛塑胶模具有限公司

Dates

Publication Date

20260512

Application Date

20250604

Claims (6)

1. 1. The injection molding demolding mold for the plastic cement cylinder product comprises a lower mold (1) and is characterized in that synchronous hydraulic lifting rods (2) are arranged at four corners of the lower mold (1), an upper mold (3) is arranged at the top of the synchronous hydraulic lifting rods (2), an injection molding pipe (4) is arranged at one side of the top of the upper mold (3), an injection molding opening (5) is formed in one side of the bottom of the upper mold (3), the injection molding pipe (4) is communicated with the injection molding opening (5) in a sealing mode, injection grooves (6) are formed in two sides of the bottom of the inner wall of the lower mold (1), synchronous electric telescopic rods (7) are arranged on one side of the inner wall of the injection grooves (6), special-shaped blocking blocks (8) are arranged at one end of each synchronous electric telescopic rod (7), an injection electromagnetic valve (9) is arranged at the top of the other side of the inner wall of the injection grooves (6), a liquid draining electromagnetic valve (10) is arranged at the bottom of the other side of the inner wall of the injection grooves (6), two ends of the injection electromagnetic valves (11) are communicated with the injection electromagnetic valves (9) in a sealing mode, two ends of the injection electromagnetic valves (12) are arranged at one side of the lower mold (1), and two ends of the electromagnetic valves (13) are communicated with the electromagnetic valve.
2. 2. The injection mold for plastic cement cylinder products, as set forth in claim 1, is characterized in that the bottom of the inner wall of the lower mold (1) is provided with a movable groove (14), the bottom of the movable groove (14) is provided with a main electric telescopic ejector rod (15), and the top end of the main electric telescopic ejector rod (15) is fixedly connected with a main ejector disc (16).
3. 3. The injection molding and demolding mold for plastic cement cylinder products, as set forth in claim 2, characterized in that auxiliary electric telescopic rods (17) are arranged on two sides of the bottom of the inner wall of the movable groove (14), an auxiliary annular top plate (18) is fixedly arranged at the top of each auxiliary electric telescopic rod (17), a plurality of auxiliary protruding blocks (19) are distributed at the top of each auxiliary annular top plate (18), a plurality of inserting holes (20) are distributed on the surface of each main top plate (16), and the auxiliary protruding blocks (19) are movably connected in the corresponding inserting holes (20).
4. 4. The injection molding and demolding mold for plastic cement cylinder products, as set forth in claim 3, characterized in that guide frames (21) are arranged on two sides of the lower mold (1), guide grooves (22) are formed in the inner sides of the guide frames (21), guide blocks (23) are arranged on two sides of the upper mold (3), and the guide blocks (23) are slidably connected in the guide grooves (22).
5. 5. The injection mold for plastic cement cylinder products of claim 1, wherein the bottom of the upper mold (3) is provided with an air outlet groove (24), one side of the bottom of the inner wall of the air outlet groove (24) is embedded with an air outlet pipe (241), the other side of the top of the upper mold (3) is embedded with an air inlet valve (242), and the air inlet valve (242) is communicated with the air outlet pipe (241) in a sealing way.
6. 6. The injection mold of plastic cement cylinder products of claim 5, wherein an upper electric telescopic ejector rod (243) is arranged at the top of the inner wall of the air outlet groove (24), and an upper plugging block (244) is fixedly connected to the bottom of the upper electric telescopic ejector rod (243).

Description

Plastic cement cylinder product injection molding and demolding mold Technical Field The utility model belongs to the technical field of plastic cylinder processing, and particularly relates to an injection molding and demolding mold for plastic cement cylinder products. Background The problem that the existing injection mold is poor in demolding function exists, after the mold is subjected to internal injection molding, workers are required to perform demolding manually, the demolding difficulty is high, the plastic garbage can processing injection mold convenient to demolding disclosed in application number CN202222024925.2 is also an increasingly mature technology, the edge convex edge of the injection upper mold base is pressed tightly by utilizing a pressing block, so that mold closing operation is tighter, the molding degree of the garbage can is higher, the subsequent demolding treatment is more convenient, the structural design is reasonable, the safety degree is high, the mold molding degree is better, and the demolding is more convenient, but the device has the defect that plastic is easy to adhere to the inner wall of the lower mold during actual use, and the inner wall of a plastic barrel is easy to adhere to the surface of the upper mold during detachment of the upper mold. Disclosure of utility model The utility model aims to provide an injection molding and demolding mold for plastic cement cylinder products, which aims to solve the problems that in the prior art, plastic is easy to adhere to the inner wall of a lower mold and is inconvenient to demold, and when an upper mold is separated, the inner wall of a plastic cylinder is easy to adhere to the surface of the upper mold. The technical scheme includes that the hydraulic synchronous lifting rod comprises a lower die, synchronous hydraulic lifting rods are arranged at four corners of the lower die, an upper die is arranged at the top of the synchronous hydraulic lifting rods, an injection pipe is embedded at one side of the top of the upper die, an injection port is arranged at one side of the bottom of the upper die, the injection pipe is communicated with the injection port in a sealing mode, injection grooves are formed in two sides of the bottom of the inner wall of the lower die, synchronous electric telescopic rods are arranged at one side of the inner wall of the injection grooves, a special-shaped plugging block is arranged at one end of each synchronous electric telescopic rod, a liquid injection electromagnetic valve is embedded at the top of the other side of the inner wall of the injection groove, a liquid discharge electromagnetic valve is embedded at the bottom of the other side of the inner wall of the injection groove, a material injection shunt pipe is arranged at the top of one side of the lower die, two ends of the material discharge shunt pipe are communicated with the liquid injection electromagnetic valve in a sealing mode, and two ends of the material discharge shunt pipe are communicated with the liquid discharge electromagnetic valve in a sealing mode. In the implementation scheme of the injection molding demolding mold for the plastic cement cylinder product, a movable groove is formed in the bottom of the inner wall of the lower mold, a main electric telescopic ejector rod is arranged at the bottom of the movable groove, and the top end of the main electric telescopic ejector rod is fixedly connected with a main ejector disc. In this scheme, after last mould and bed die merge, carry out the injection molding through the injection molding pipe, after the injection molding finishes, synchronous electric telescopic handle withdrawal abnormal shape shutoff piece, annotate material shunt tubes and pump into the injection groove with coolant liquid dress material, coolant liquid infiltration injection molding spare and bed die inner wall recess department, make injection molding spare rapid cooling design and break away from with the bed die inner wall, the flowing back solenoid valve opens this moment, unnecessary coolant liquid is discharged through the material shunt tubes, last mould breaks away from this moment, main electric telescopic ejector pin extension main roof plate is ejecting the finished product of moulding plastics. In the implementation scheme of the injection molding demolding mold for the plastic cement cylinder product, auxiliary electric telescopic rods are arranged on two sides of the bottom of the inner wall of the movable groove, an auxiliary annular top plate is fixedly arranged at the top of each auxiliary electric telescopic rod, a plurality of auxiliary protruding blocks are distributed at the top of each auxiliary annular top plate, a plurality of inserting holes are distributed on the surface of each main top plate, and the auxiliary protruding blocks are movably connected in the corresponding inserting holes. In this scheme, flexible being through supplementary electric telescopic handle