CN220995339U

CN220995339U - Plastic mould demoulding mechanism

Info

Publication number: CN220995339U
Application number: CN202322067384.6U
Authority: CN
Inventors: 王茂会
Original assignee: Dongguan Wellton Precision Plastic Mould Co ltd
Current assignee: Dongguan Wellton Precision Plastic Mould Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-05-24
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a plastic mold demolding mechanism, which comprises a workbench, wherein one end of the upper surface of the workbench is symmetrically and fixedly connected with a first fixing plate, a limiting assembly is arranged between the two first fixing plates and a lower female die, the other end of the upper surface of the workbench is symmetrically and fixedly connected with a second fixing plate, and a tightening assembly is arranged between the two second fixing plates and the lower female die. According to the utility model, the lower female die is convenient to replace or overhaul through the limiting component and the abutting component, the first hydraulic cylinder is lifted back after the product is molded, the upper die plate is moved downwards through rebound of the first spring, the molded product is pushed away from the upper male die to be separated from the upper male die, and then the second hydraulic cylinder is started, so that the top plate is moved upwards to push the product out of the lower female die to be separated from the lower female die, and demolding of the product is realized.

Description

Plastic mould demoulding mechanism

Technical Field

The utility model relates to the technical field of plastic mold processing, in particular to a plastic mold demolding mechanism.

Background

The plastic mold is a short name of a combined mold for compression molding, extrusion molding, injection molding, blow molding and low foaming molding, and comprises a female mold with a variable cavity, which consists of a female mold combined base plate, a female mold component and a female mold combined clamping plate, and a male mold with a variable core, which consists of a male mold combined base plate, a male mold component, a male mold combined clamping plate, a cavity cutting component and a side cutting combined plate.

In the using process of the existing plastic mold, the existing plastic mold is installed on a workbench surface through a large number of bolt structures, the operation is complicated when the mold is required to be replaced or the mold is required to be taken down for overhauling, more time is required to be consumed for disassembly, and certain inconvenience exists; meanwhile, after the plastic inside the die is extruded and molded, the product can be stuck on the inner wall of the die, so that the demolding is difficult, and the demolding mechanism is needed to assist in demolding.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a plastic mold demolding mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a plastic mould demoulding mechanism, includes the workstation and sets up in the lower die of workstation upper surface, the first fixed plate of upper surface one end symmetry fixedly connected with of workstation, and two spacing subassembly is all installed to between first fixed plate and the lower die, the upper surface other end symmetry fixedly connected with second fixed plate of workstation, and two support tight subassembly is all installed between second fixed plate and the lower die, the upper surface symmetry fixed mounting of workstation has first pneumatic cylinder, two the common fixedly connected with backup pad of piston end of first pneumatic cylinder, the lower surface fixedly connected with of backup pad goes up the terrace die, go up the bottom sliding connection of terrace die has the cope match-plate pattern, just install a plurality of return assemblies jointly between terrace die and the cope match-plate pattern, the internally mounted of lower die has the ejecting subassembly with return assembly matched with.

Further, the spacing subassembly includes the mounting panel of fixed connection in lower die surface one side, the inside fixedly connected with second spring of lateral wall of mounting panel, the one end fixedly connected with inserted block of second spring, the one end of inserted block runs through and extends to the outside of mounting panel and peg graft with the lateral wall of second fixed plate.

Further, the tight subassembly of support includes the screw rod of run through threaded connection at first fixed plate lateral wall, the one end rotation of screw rod is connected with the tight board of support, the surface one side of supporting tight board and the surface one side looks butt of lower die.

Further, reset assembly includes fixed connection at the sleeve of last terrace die lower surface, telescopic inner wall sliding connection has the slide bar, the one end of slide bar runs through and extends to telescopic below and with cope match-plate pattern fixed connection, just telescopic surface cover is established fixedly connected with first spring.

Further, the ejection assembly comprises second hydraulic cylinders symmetrically and fixedly arranged in the lower female die, a top plate is fixedly connected to the piston ends of the two second hydraulic cylinders together, and the outer surface of the top plate is in sliding connection with the inner wall of the lower female die.

Further, the side wall of the mounting plate is provided with a groove matched with the second spring, and the side wall of the second fixing plate is provided with a slot matched with the insert block.

Further, the side wall of the first fixing plate is provided with a threaded hole matched with the screw rod.

The utility model has the following beneficial effects:

1. When the plastic mold demolding mechanism is used, through the limiting assembly and the abutting assembly, the abutting plate can be driven to move along the workbench by rotating the screw rod when the lower female mold is required to be replaced or maintained, so that the locking of the abutting plate on the lower female mold is released, the lower female mold is moved towards the abutting plate, the insertion connection between the mounting plate on one side of the lower female mold and the second fixing plate is released, and the lower female mold is detached from the workbench, so that the replacement or maintenance is facilitated.

2. When the plastic mold demolding mechanism is used, the ejection assembly and the reset assembly are arranged, the first hydraulic cylinder is used for downwards punching to drive the upper male mold and the lower female mold to mold a product, after the product is molded, the first hydraulic cylinder is lifted, the extrusion force born by the first spring is gradually reduced, the first spring rebounds to enable the upper mold plate to move downwards, so that the molded product is pushed away from the upper male mold to be separated from the upper male mold, then the second hydraulic cylinder can be started, the top plate is enabled to move upwards to eject the lower female mold to be separated from the lower female mold, and the demolding of the product is realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic diagram of a reset assembly according to the present utility model;

Fig. 4 is a perspective view of the present utility model.

Legend description:

1. A work table; 2. a first hydraulic cylinder; 3. a support plate; 4. an upper male die; 5. an upper template; 6. a first spring; 7. a slide bar; 8. a sleeve; 9. a lower female die; 10. a second hydraulic cylinder; 11. a top plate; 12. a pressing plate; 13. a first fixing plate; 14. a screw; 15. a mounting plate; 16. a second fixing plate; 17. a second spring; 18. and (5) inserting blocks.

Detailed Description

Fig. 1 to 4 show, relate to a plastic mould demoulding mechanism, including workstation 1 and set up in the lower die 9 of workstation 1 upper surface, the first fixed plate 13 of upper surface one end symmetry fixedly connected with of workstation 1, and all install spacing subassembly between two first fixed plates 13 and the lower die 9, the upper surface other end symmetry fixedly connected with second fixed plate 16 of workstation 1, and all install between two second fixed plates 16 and the lower die 9 and prop up tight subassembly, wherein, lower die 9 is installed in the opposite one side of two pairs of first fixed plates 13 and second fixed plate 16, the upper surface symmetry fixedly installed of workstation 1 has first pneumatic cylinder 2, the piston end of two first pneumatic cylinders 2 is fixedly connected with backup pad 3 jointly, the lower surface fixedly connected with of backup pad 3 goes up terrace die 4, the bottom sliding connection of terrace die 4 has cope match-plate pattern 5, and install a plurality of reset subassemblies jointly between terrace die 4 and the cope match-plate pattern 5, the internally mounted of lower die 9 has the ejecting subassembly with reset subassembly.

The spacing subassembly includes mounting panel 15 of fixed connection in die 9 surface one side down, the inside fixedly connected with second spring 17 of lateral wall of mounting panel 15, the one end fixedly connected with inserted block 18 of second spring 17, the one end of inserted block 18 runs through and extends to the outside of mounting panel 15 and peg graft with the lateral wall of second fixed plate 16, wherein, the recess with second spring 17 assorted is seted up to the lateral wall of mounting panel 15, and the slot with inserted block 18 assorted is seted up to the lateral wall of second fixed plate 16, after the slot of inserting block 18 inserted second fixed plate 16 lateral wall, be down die 9 for the preliminary fixed of workstation 1 position.

The tight subassembly of support includes the screw rod 14 of run through threaded connection at first fixed plate 13 lateral wall, wherein, screw rod 14 assorted screw hole has been seted up to first fixed plate 13 lateral wall, screw rod 14's one end rotation is connected with the tight board of support 12, the surface one side of tight board 12 of support and the surface one side butt of lower die 9, the lower surface of tight board 12 and the upper surface sliding connection of workstation 1, when rotating screw rod 14, screw rod 14 can push against tight board 12 downwards the direction of die 9 for the tight board 12 of support is along workstation 1 die 9 displacement downwards, and finally support die 9 down, lock down the position of die 9.

The reset assembly comprises a sleeve 8 fixedly connected with the lower surface of the upper punch 4, a sliding rod 7 is slidably connected to the inner wall of the sleeve 8, one end of the sliding rod 7 penetrates through the lower portion of the sleeve 8 and is fixedly connected with the upper die plate 5, a first spring 6 is fixedly connected to the outer surface of the sleeve 8 in a sleeved mode, when the first hydraulic cylinder 2 drives the upper punch 4 to move downwards, the first spring 6 can be extruded to compress, at the moment, a product is in a formed state when the upper punch 4 and the lower die 9 are assembled, when the first hydraulic cylinder 2 is lifted back and drives the upper punch 4 to lift, the extrusion force borne by the first spring 6 is gradually reduced, and the first spring 6 can push the upper die plate 5 under the rebound acting force to separate the product from the upper punch 4.

The ejection assembly comprises second hydraulic cylinders 10 which are symmetrically and fixedly arranged in the lower die 9, a top plate 11 is fixedly connected to the piston ends of the two second hydraulic cylinders 10 together, the outer surface of the top plate 11 is in sliding connection with the inner wall of the lower die 9, and when the two second hydraulic cylinders 10 push the top plate 11 upwards, the top plate 11 ejects a product from the inner wall of the lower die 9, so that the product is separated from the lower die 9.

When the plastic mold demolding mechanism is used, the first hydraulic cylinder 2 is started firstly, the first hydraulic cylinder 2 is stamped downwards to drive the upper male mold 4 to be matched with the lower female mold 9 to mold a product, after the product is molded, the first hydraulic cylinder 2 is lifted, the extrusion force received by the first spring 6 at the moment is gradually reduced, the first spring 6 rebounds to enable the upper mold plate 5 to move downwards, so that the molded product is pushed away from the upper male mold 4 to be separated from the upper male mold 4, then, the second hydraulic cylinder 10 can be started, the top plate 11 is enabled to move upwards to push the product out of the lower female mold 9 to be separated from the lower female mold 9, so that the demolding of the product is realized, the practicability is higher, when the lower female mold 9 needs to be replaced or maintained, the rotating screw 14 can drive the abutting plate 12 to move along the workbench 1, so that the locking of the lower female mold 9 is released, the lower female mold 9 moves towards the abutting plate 12, the insertion connection between the mounting plate 15 on one side of the lower female mold 9 and the second fixing plate 16 is released, and the lower female mold 9 is convenient to replace or disassemble from the workbench 1.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a plastic mould demoulding mechanism, includes workstation (1) and sets up in lower die (9) of workstation (1) upper surface, its characterized in that: the utility model discloses a hydraulic press, including workstation (1) and lower die (9), upper surface one end symmetry fixedly connected with first fixed plate (13), and two spacing subassembly is all installed between first fixed plate (13) and lower die (9), upper surface other end symmetry fixedly connected with second fixed plate (16) of workstation (1), and two support tight subassembly is all installed between second fixed plate (16) and lower die (9), the upper surface symmetry fixed mounting of workstation (1) has first pneumatic cylinder (2), two the piston end of first pneumatic cylinder (2) is fixedly connected with backup pad (3) jointly, the lower surface fixedly connected with of backup pad (3) goes up terrace die (4), the bottom sliding connection of going up terrace die (4) has cope match-plate pattern (5), just install a plurality of return assemblies jointly between cope match-plate pattern (4) and cope match-plate pattern (5), the internally mounted of lower die (9) has with the matched with ejecting subassembly of return assembly.

2. The plastic mold stripping mechanism as recited in claim 1, wherein: the limiting assembly comprises a mounting plate (15) fixedly connected to one side of the outer surface of the lower female die (9), a second spring (17) is fixedly connected to the inside of the side wall of the mounting plate (15), an inserting block (18) is fixedly connected to one end of the second spring (17), and one end of the inserting block (18) penetrates through the outside of the mounting plate (15) and is inserted into the side wall of the second fixing plate (16).

3. The plastic mold stripping mechanism as recited in claim 1, wherein: the tight subassembly is supported including running through screw thread connection screw rod (14) at first fixed plate (13) lateral wall, the one end rotation of screw rod (14) is connected with and supports tight board (12), the surface one side that supports tight board (12) and the surface one side looks butt of lower die (9), just the lower surface that supports tight board (12) and the upper surface sliding connection of workstation (1).

4. The plastic mold stripping mechanism as recited in claim 1, wherein: the resetting component comprises a sleeve (8) fixedly connected with the lower surface of the upper punch (4), a sliding rod (7) is slidably connected with the inner wall of the sleeve (8), one end of the sliding rod (7) penetrates through the lower portion of the sleeve (8) and is fixedly connected with the upper die plate (5), and a first spring (6) is fixedly connected with the outer surface of the sleeve (8) in a sleeved mode.

5. The plastic mold stripping mechanism as recited in claim 1, wherein: the ejection assembly comprises second hydraulic cylinders (10) symmetrically and fixedly arranged in the lower female die (9), a top plate (11) is fixedly connected to piston ends of the two second hydraulic cylinders (10) together, and the outer surface of the top plate (11) is in sliding connection with the inner wall of the lower female die (9).

6. The plastic mold stripping mechanism as recited in claim 2, wherein: the side wall of the mounting plate (15) is provided with a groove matched with the second spring (17), and the side wall of the second fixing plate (16) is provided with a slot matched with the insertion block (18).

7. A plastic mold stripping mechanism as claimed in claim 3, wherein: the side wall of the first fixing plate (13) is provided with a threaded hole matched with the screw rod (14).