CN223864259U

CN223864259U - Injection mold convenient for injection molding

Info

Publication number: CN223864259U
Application number: CN202520497969.8U
Authority: CN
Inventors: 王相升; 陈其秀; 王立江
Original assignee: Sheyang Jinchangxin Precision Mould Technology Co ltd
Current assignee: Sheyang Jinchangxin Precision Mould Technology Co ltd
Priority date: 2025-03-20
Filing date: 2025-03-20
Publication date: 2026-02-03
Anticipated expiration: 2035-03-20

Abstract

The utility model discloses an injection mold convenient for injection molding, which belongs to the technical field of injection molds and comprises a base, wherein the upper surface of the base is fixedly connected with a workbench, the upper surface of the workbench is fixedly connected with a lower mold, the upper surface of the workbench is fixedly connected with a support frame, the interior of the support frame is rotationally connected with a threaded screw rod, the surface of the threaded screw rod is in threaded sleeve joint with a lifting table, the lower surface of the lifting table is fixedly connected with an upper mold, the interior of the upper mold is provided with a demolding assembly, and the upper surface of the base is fixedly connected with a circulating assembly. According to the utility model, the circulating assembly is arranged, so that the thermal stress of the die caused by long-time high-temperature operation is reduced, the service life of the die is prolonged, the quality of the die is improved, meanwhile, the effective utilization of water resources is realized, the discharging efficiency and precision are improved, the abrasion and damage of the die are reduced, and the service life of the die is prolonged.

Description

Injection mold convenient for injection molding

Technical Field

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

Background

Injection molding is an important molding method in the modern plastics industry, and a plastic product with a required shape is obtained by injecting molten plastic into a mold cavity and cooling and solidifying the molten plastic. With the development of economies and acceptance of markets, mold manufacturing has become one of the key elements in measuring the level of manufacturing in one country.

The injection molding part is usually taken out of the mold by means of a tool, so that the injection molding part is time-consuming and labor-consuming, is easy to receive large impact force in the discharging process, accelerates abrasion and damage of the mold, shortens the service life of the mold, and is convenient for injection molding.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides an injection mold convenient for injection molding.

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

The utility model provides an injection mold convenient to injection moulding, includes the base, the last fixed surface of base is connected with the workstation, the last fixed surface of workstation is connected with the bed die, the last fixed surface of workstation is connected with the support frame, the inside of support frame rotates and is connected with the screw thread lead screw, the surface screw of screw thread lead screw has cup jointed the elevating platform, the lower fixed surface of elevating platform is connected with the mould, the inside of going up the mould is equipped with drawing of patterns subassembly, the inside of bed die is equipped with the mounting groove, the inside fixedly connected with cooling tube of mounting groove, the last fixed surface of base is connected with circulation subassembly.

As a further improvement of the utility model, the demolding assembly comprises a plurality of loop bars arranged in the upper mold, the interior of each loop bar is movably connected with a piston rod, the upper ends of the piston rods are fixedly connected with the same connecting frame, the upper surface of the lifting table is fixedly connected with two fixing bars, the middle ends of the two fixing bars are fixedly connected with electric push rods, and the telescopic ends of the two electric push rods are fixedly connected with the connecting frame.

As a further improvement of the utility model, the circulating assembly comprises a storage box fixedly connected with the middle end of the upper surface of the base, one side of the upper surface of the base is fixedly connected with a cooling box, one side of the workbench is fixedly connected with a water pump, the output end of the water pump is fixedly connected with a water pipe, the other end of the water pipe is fixedly connected with a radiating pipe, the input end of the water pump is fixedly connected with a water suction pipe, and the other end of the water suction pipe is fixedly connected with the storage box.

As a further improvement of the utility model, the front surface of the cooling box is fixedly connected with a circulating pipe, the other end of the circulating pipe is fixedly connected with a storage box, the surface of the circulating pipe is fixedly connected with a valve, the other end of the radiating pipe is fixedly connected with a connecting pipe, and the other end of the connecting pipe is fixedly connected with the cooling box.

As a further improvement of the utility model, the lower end of the supporting frame is fixedly connected with a driving motor, and the power end of the driving motor is fixedly connected with a threaded screw rod.

As a further improvement of the utility model, the middle end of the inner part of the upper die is fixedly connected with an injection molding pipe, both sides of the lifting table are provided with limiting grooves, and both sides of the inner part of the supporting frame are fixedly connected with limiting rods matched with the limiting grooves.

The utility model has the beneficial effects that:

Through setting up the elevating platform, during the use, through driving motor and screw rod's cooperation, realized quick, the accurate closure of mould, reduced manual operation's time, improved whole production efficiency, the closed accurate control of mould helps guaranteeing the dimensional accuracy and the shape stability of injection molding simultaneously to improve product quality.

Through setting up circulating assembly, during the use, start the water pump and take out cooling water from the bin and inject into the cooling tube in, take away the inside heat of mould fast, prevent that the injection molding from taking place to warp or shrink because of the high temperature, reduce the thermal stress that the mould produced because of long-time high temperature work to prolonged the life of mould, promoted the mould quality, the cooling water flows back to the cooling tank after the cooling tube simultaneously, and the rethread circulating tube gets back to the bin, has realized the effective utilization of water resource, has reduced the waste of water resource.

Through setting up drawing of patterns subassembly, during the use, start the pressure that electric putter provided, make the mould after the cooling closely adsorb on last mould, guaranteed the stability of mould in the removal in-process, when last mould was driven by driving motor and upwards moved, because the mould has closely adsorbed on last mould, consequently can ensure that the injection molding moves along with last mould completely to improve the efficiency and the precision of ejection of compact, simultaneously through the pressure of accurate control electric putter, can avoid the mould to receive too big impact force at the ejection of compact in-process, thereby reduced the wearing and tearing of mould and damage, prolonged the life of mould.

In summary, the utility model optimizes the key production links such as mold closing, raw material injection, cooling system and the like, thereby realizing the beneficial effects of improving the production efficiency, ensuring the product quality, realizing energy conservation and environmental protection, improving the operation simplicity, prolonging the service life of the mold and the like.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold for facilitating injection molding according to the present utility model.

Fig. 2 is a schematic structural diagram of a support frame of an injection mold for injection molding according to the present utility model.

Fig. 3 is a schematic structural diagram of a demolding assembly of an injection mold for injection molding.

Fig. 4 is a schematic view of a back structure of an injection mold for facilitating injection molding according to the present utility model.

In the figure: 1 base, 2 workbench, 3 lower mould, 4 support frame, 5 screw thread lead screw, 6 elevating platform, 7 upper mould, 8 cooling tube, 9 loop bar, 10 piston rod, 11 linking frame, 12 dead lever, 13 electric putter, 14 bin, 15 cooling tank, 16 water pump, 17 raceway, 18 drinking water pipe, 19 circulating pipe, 20 valve, 21 driving motor, 22 injection molding pipe, 23 gag lever post, 24 connecting pipe.

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.

Referring to fig. 1-4, an injection mold convenient for injection molding comprises a base 1, wherein the upper surface of the base 1 is fixedly connected with a workbench 2, the upper surface of the workbench 2 is fixedly connected with a lower mold 3, the upper surface of the workbench 2 is fixedly connected with a support frame 4, the inside of the support frame 4 is rotationally connected with a threaded screw rod 5, the surface of the threaded screw rod 5 is in threaded sleeve joint with a lifting table 6, the lower surface of the lifting table 6 is fixedly connected with an upper mold 7, a demolding assembly is arranged in the upper mold 7, an installation groove is formed in the lower mold 3, a radiating pipe 8 is fixedly connected in the installation groove, and the upper surface of the base 1 is fixedly connected with a circulating assembly.

According to the utility model, the demolding assembly comprises a plurality of loop bars 9 arranged in the upper mold 7, the loop bars 9 are used as movable rails of the piston rods 10, stability and accuracy of the piston rods 10 in the moving process are ensured, the piston rods 10 are movably connected in the loop bars 9, power is provided for adsorption and release of the mold by up-and-down movement of the piston rods 10 in the loop bars 9, the same connecting frame 11 is fixedly connected to the upper ends of the plurality of piston rods 10, the connecting frame 11 is used as a stress point of the electric push rods 13, unified control of the piston rods 10 is realized, two fixing rods 12 are fixedly connected to the upper surface of the lifting table 6, the electric push rods 13 are fixedly connected to the middle ends of the two fixing rods 12, and the telescopic ends of the two electric push rods 13 are fixedly connected to the connecting frame 11.

The circulating assembly comprises a storage tank 14 fixedly connected to the middle end of the upper surface of the base 1, a cooling tank 15 is fixedly connected to one side of the upper surface of the base 1, the cooling tank 15 is used for receiving and cooling hot water flowing out of the cooling pipes 8, a water pump 16 is fixedly connected to one side of the workbench 2, a water pipe 17 is fixedly connected to the output end of the water pump 16, the water pump 16 provides power for circulation of cooling water, the other end of the water pipe 17 is fixedly connected to the cooling pipes 8, the temperature of cooling water in the cooling pipes 8 rises after absorbing heat of a mold, a water pumping pipe 18 is fixedly connected to the input end of the water pump 16, the other end of the water pumping pipe 18 is fixedly connected to the storage tank 14, a circulating pipe 19 is fixedly connected to the front surface of the cooling tank 15, the other end of the circulating pipe 19 is fixedly connected to the storage tank 14, the circulating pipe 19 serves as a channel for cooling water returning from the cooling tank 15 to the storage tank 14, a valve 20 is fixedly connected to the other end of the cooling pipes 8, the other ends of the connecting pipes 24 are fixedly connected to the cooling pipes 15, and the other ends of the connecting pipes 24 are fixedly connected to the cooling tanks 15 and 24 are used for guiding the hot water in the cooling pipes 8 into the cooling tanks 15 for cooling.

The lower extreme fixedly connected with driving motor 21 of support frame 4, driving motor 21 provides power for the rotation of screw lead screw 5, driving motor 21's power end fixed connection is in screw lead screw 5, screw lead screw 5's rotation has driven the reciprocates of elevating platform 6, the inside middle-end fixedly connected with injection molding pipe 22 of upper mould 7, injection molding pipe 22 is the passageway of raw materials injection, the assurance raw materials can accurately get into the mould die cavity, the spacing groove has all been seted up to elevating platform 6's both sides, the equal fixedly connected with of the both sides of support frame 4 inside and spacing pole 23 of spacing groove looks adaptation. The cooperation of the stop lever 23 and the stop groove ensures the stability and accuracy of the lifting platform 6 in the moving process.

When the cooling device is used, the driving motor 21 is started to drive the threaded screw rod 5 to rotate so as to drive the lifting table 6 to move downwards until the upper die 7 below the lifting table 6 is closed with the lower die 3 on the workbench 2, the injection pipe 22 is started to accurately inject molten raw materials into a cavity formed by the upper die 7 and the lower die 3, the water pump 16 is started after the raw materials are completely injected and filled, the cooling water source is extracted from the storage tank 14 through the water suction pipe 18 and is led into the cooling pipe 8 in the lower die 3 through the water delivery pipe 17, and after the cooling water source effectively absorbs heat released by the dies in the cooling pipe 8, the cooling water source continuously flows and is led into the cooling tank 15 through the connecting pipe 24 to perform cooling treatment.

When the mold is sufficiently cooled, the electric push rod 13 is started, the electric push rod 13 is linked with a plurality of piston rods 10 through the connecting frame 11 to move upwards in the sleeve rod 9, so that necessary pressure is generated, the cooled mold is closely adsorbed on the surface of the upper mold 7, and then the driving motor 21 is started again to drive the upper mold 7 to move upwards together with the mold adsorbed thereon. And then placing the discharging equipment right below the upper die 7, operating the electric push rod 13 again to release the pressure applied by the electric push rod, smoothly separating and falling off the upper die 7 to finish the discharging step, and finally opening the valve 20 after waiting for the water source in the cooling tank 15 to be sufficiently cooled, and allowing the cooling water source to flow back into the storage tank 14 through the circulating pipe 19 for the next round of cooling circulation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Injection mold convenient to injection molding, including base (1), its characterized in that, the last fixed surface of base (1) is connected with workstation (2), the last fixed surface of workstation (2) is connected with bed die (3), the last fixed surface of workstation (2) is connected with support frame (4), the inside rotation of support frame (4) is connected with screw thread (5), the surface screw of screw thread (5) has cup jointed elevating platform (6), the lower fixed surface of elevating platform (6) is connected with mould (7), the inside of last mould (7) is equipped with drawing of patterns subassembly, the inside of bed die (3) is equipped with the mounting groove, the inside fixedly connected with cooling tube (8) of mounting groove, the last fixed surface of base (1) is connected with circulation subassembly.

2. The injection mold convenient for injection molding according to claim 1, wherein the demolding assembly comprises a plurality of loop bars (9) arranged in the upper mold (7), the plurality of loop bars (9) are movably connected with piston rods (10) in the upper surface of the lifting table (6) and fixedly connected with the same connecting frame (11), two fixing rods (12) are fixedly connected with the upper surface of the lifting table (6), electric push rods (13) are fixedly connected with the middle ends of the two fixing rods (12), and the telescopic ends of the two electric push rods (13) are fixedly connected with the connecting frame (11).

3. The injection mold convenient for injection molding according to claim 1, wherein the circulation assembly comprises a storage box (14) fixedly connected to the middle end of the upper surface of the base (1), one side of the upper surface of the base (1) is fixedly connected with a cooling box (15), one side of the workbench (2) is fixedly connected with a water pump (16), the output end of the water pump (16) is fixedly connected with a water pipe (17), the other end of the water pipe (17) is fixedly connected with a radiating pipe (8), the input end of the water pump (16) is fixedly connected with a water suction pipe (18), and the other end of the water suction pipe (18) is fixedly connected with the storage box (14).

4. An injection mold convenient for injection molding according to claim 3, characterized in that the front side of the cooling tank (15) is fixedly connected with a circulating pipe (19), the other end of the circulating pipe (19) is fixedly connected with a storage tank (14), the surface of the circulating pipe (19) is fixedly connected with a valve (20), the other end of the radiating pipe (8) is fixedly connected with a connecting pipe (24), and the other end of the connecting pipe (24) is fixedly connected with the cooling tank (15).

5. An injection mould convenient for injection moulding according to claim 1, characterized in that the lower end of the support frame (4) is fixedly connected with a driving motor (21), and the power end of the driving motor (21) is fixedly connected with a threaded screw rod (5).

6. The injection mold convenient for injection molding according to claim 1, wherein the middle end of the inner part of the upper mold (7) is fixedly connected with an injection molding pipe (22), both sides of the lifting table (6) are provided with limit grooves, and both sides of the inner part of the supporting frame (4) are fixedly connected with limit rods (23) which are matched with the limit grooves.