CN219405027U

CN219405027U - Auxiliary demolding structure of plastic mold

Info

Publication number: CN219405027U
Application number: CN202320837651.0U
Authority: CN
Inventors: 田卫国; 具宇浩; 陈晓梅
Original assignee: Heyuan Chuangyue Mold Co ltd
Current assignee: Heyuan Chuangyue Mold Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-25
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses an auxiliary demolding structure for a plastic mold, which relates to the technical field of plastic molds and comprises a lower mold, an upper mold and a fastening mechanism, wherein a plurality of limiting rods are vertically arranged at the upper end of the side wall of the lower mold, the limiting rods are arranged in a circumferential array around the central position of the lower mold, a threaded rod is vertically arranged at the upper end of the limiting rods, limiting holes matched with the limiting rods and the threaded rod are formed in the upper mold, the depth of each limiting hole is larger than the height of the limiting rod, and the upper end of each threaded rod passes through each limiting hole and is arranged above the upper mold.

Description

Auxiliary demolding structure of plastic mold

Technical Field

The utility model relates to the technical field of plastic modules, in particular to an auxiliary demolding structure of a plastic mold.

Background

A plastic mold is a short term for a combination mold for compression molding, extrusion molding, injection, blow molding, and low foaming molding. The coordination change of the male die, the female die and the auxiliary forming system can process a series of plastic parts with different shapes and different sizes.

Bulletin number: CN217916339U (a plastic mold convenient for quick demolding), by setting wedge blocks, moving plates and inserting rods, pressing blocks on the two moving plates, so that the two pressing blocks respectively move into the concave mold plates from the through grooves of the two moving plates, the two second compression springs recover and respectively push the two moving plates to move rightwards, the two moving plates are respectively separated from the two wedge blocks, the two first return springs recover, the two wedge blocks are ejected oppositely, the two inserting rods are driven to move out of the slots of the two guide posts oppositely, the two first compression springs recover and push the convex mold plates leftwards, and thus the quick demolding of the plastic mold is facilitated.

Said utility model still has the defects of that after the product is cooled and formed, the product is tightly attached to the mould, and the working personnel can not easily separate the upper mould from the lower mould, so that the efficiency of separating the upper mould from the lower mould is affected, and the use is inconvenient for users.

In order to solve the problems, an improved plastic mold auxiliary demolding structure is designed.

Disclosure of Invention

The utility model aims to provide an auxiliary demolding structure of a plastic mold, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an auxiliary demoulding structure of plastic mould, includes bed die, goes up mould and fastening mechanism, a plurality of gag lever post is vertically installed to the lateral wall upper end of bed die, the gag lever post is circumference array setting around the central point of bed die, the threaded rod is vertically installed to the upper end of gag lever post, go up the last spacing hole of having seted up and being used with gag lever post and threaded rod cooperation, the degree of depth of spacing hole is greater than the height of gag lever post, the upper end of threaded rod passes spacing hole setting in the top of last mould.

The fastening mechanism is arranged at the upper end of the upper die and used for driving the upper die to move, when the lower die and the upper die are closed, the lower die and the upper die are tightly attached, and when the lower die and the upper die are opened, the lower die and the upper die are quickly separated and demoulded.

As a further scheme of the utility model: the fastening mechanism comprises a mounting plate, the mounting plate sets up the top at last mould, be provided with a plurality of and threaded rod one-to-one's internal thread between mounting plate and the last mould and rotate a section of thick bamboo, threaded rod and internal thread rotate a section of thick bamboo and link together through the screw thread rotation, the swivel becket is all installed to internal thread rotation section of thick bamboo's lateral wall lower extreme and lower extreme, rotate on the lateral wall of swivel becket and be connected with the rotation seat, the rotation seat of internal thread rotation section of thick bamboo lower extreme is installed the upper end at last mould, the rotation seat of internal thread rotation section of thick bamboo upper end is installed in the lower extreme of mounting plate, install on the lateral wall of internal thread rotation section of thick bamboo and be used for driving internal thread rotation section of thick bamboo pivoted toothed ring, be provided with on the mounting plate and be used for driving toothed ring pivoted drive assembly.

As still further aspects of the utility model: the driving assembly comprises a gear, the gear is arranged above the upper die, the gear is meshed with all toothed rings, a rotating rod is vertically arranged at the center of the gear, the lower end of the rotating rod is rotationally connected with the upper end of the upper die, a rotating block used for driving the rotating rod to rotate is arranged at the upper end of the rotating rod in a penetrating mode through a mounting plate, a plurality of through holes are formed in the rotating block, the through holes are arranged in a circumferential array, and a swinging rod which is convenient for workers to rotate the rotating block is inserted into the through holes.

As still further aspects of the utility model: the inner wall of the rotating seat is provided with balls which are convenient for the rotating ring to rotate.

As still further aspects of the utility model: the toothed ring and the internal thread rotating cylinder are fixedly installed together in a welding mode.

As still further aspects of the utility model: the side wall of the swinging rod is provided with a rubber sleeve which is convenient for a worker to hold the swinging rod.

As still further aspects of the utility model: and the mounting plate is provided with a reinforcing rib for improving the structural strength of the mounting plate.

Compared with the prior art, the utility model has the beneficial effects that:

compared with the prior art, the lower die and the upper die are tightly attached together when the dies are closed by screwing in and screwing out the threaded rod and the internal thread rotating cylinder, and the lower die and the upper die are quickly separated when the dies are opened, so that workers are prevented from simply separating the lower die from the upper die by means of force, the die opening efficiency of the lower die and the upper die is improved, and the die opening device is convenient for users to use.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present utility model.

Fig. 2 is a schematic structural view of the threaded rod according to the present utility model.

Fig. 3 is a schematic structural view of a rotating ring in the present utility model.

Wherein: 1. a lower die; 2. an upper die; 3. a rotating lever; 4. a rotating seat; 5. an internal thread rotating cylinder; 6. a toothed ring; 7. a swinging rod; 8. a gear; 9. a rotating block; 10. perforating; 11. a mounting plate; 12. a limit rod; 13. a threaded rod; 14. a limiting hole; 15. and rotating the ring.

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.

Referring to fig. 1-3, in an embodiment of the present utility model, an auxiliary demolding structure for a plastic mold includes a lower mold 1, an upper mold 2 and a fastening mechanism, wherein a plurality of limiting rods 12 are vertically installed at the upper end of the side wall of the lower mold 1, the limiting rods 12 are arranged in a circumferential array around the central position of the lower mold 1, a threaded rod 13 is vertically installed at the upper end of the limiting rods 12, limiting holes 14 used in cooperation with the limiting rods 12 and the threaded rod 13 are provided on the upper mold 2, the depth of the limiting holes 14 is greater than the height of the limiting rods 12, and the upper end of the threaded rod 13 passes through the limiting holes 14 and is arranged above the upper mold 2.

The fastening mechanism is arranged at the upper end of the upper die 2 and used for driving the upper die 2 to move, when the lower die 1 and the upper die 2 are closed, the lower die 1 and the upper die 2 are tightly attached, and when the lower die 1 and the upper die 2 are opened, the lower die 1 and the upper die 2 are quickly separated and demoulded.

The fastening mechanism comprises a mounting plate 11, the mounting plate 11 is arranged above the upper die 2, a plurality of internal thread rotating cylinders 5 which are in one-to-one correspondence with the threaded rods 13 are arranged between the mounting plate 11 and the upper die 2, the threaded rods 13 are connected with the internal thread rotating cylinders 5 through threads in a rotating mode, rotating rings 15 are arranged at the lower ends and the lower ends of the side walls of the internal thread rotating cylinders 5, rotating seats 4 are rotatably connected to the side walls of the rotating rings 15, the rotating seats 4 at the lower ends of the internal thread rotating cylinders 5 are arranged at the upper ends of the upper die 2, the rotating seats 4 at the upper ends of the internal thread rotating cylinders 5 are arranged at the lower ends of the mounting plate 11, and tooth rings 6 used for driving the internal thread rotating cylinders 5 to rotate are arranged on the side walls of the internal thread rotating cylinders 5, and driving components used for driving the tooth rings 6 to rotate are arranged on the mounting plate 11.

The driving assembly comprises a gear 8, the gear 8 is arranged above the upper die 2, the gear 8 is meshed with all the toothed rings 6, a rotating rod 3 is vertically arranged at the center of the gear 8, the lower end of the rotating rod 3 is rotationally connected with the upper end of the upper die 2, a rotating block 9 for driving the rotating rod 3 to rotate is arranged at the upper end of the rotating rod 3 through a mounting plate 11, a plurality of through holes 10 are formed in the rotating block 9, the through holes 10 are arranged in a circumferential array, and a swinging rod 7 which is convenient for workers to rotate the rotating block 9 is inserted into the through holes 10.

When the die assembly is carried out, a worker passes the threaded rod 13 and the limiting rod 12 through the limiting hole 14, the threaded rod 13 enters the inside of the internal thread rotating cylinder 5, then the worker inserts the swinging rod 7 into the inside of the through hole 10 and rotates the swinging rod 7, the swinging rod 7 drives the rotating block 9 to rotate, the rotating block 9 drives the rotating rod 3 to rotate, the rotating rod 3 drives the gear 8 to rotate, the gear 8 drives the toothed ring 6 to rotate, the toothed ring 6 drives the internal thread rotating cylinder 5 to rotate, and under the action of threads, the threaded rod 13 moves upwards, so that the lower die 1 and the upper die 2 are assembled, and the lower die 1 and the upper die 2 are tightly attached.

When the die is opened, a worker inserts the swinging rod 7 into the perforation 10, rotates the swinging rod 7, the swinging rod 7 drives the rotating block 9 to rotate, the rotating block 9 drives the rotating rod 3 to rotate, the rotating rod 3 drives the gear 8 to rotate, the gear 8 drives the toothed ring 6 to rotate, the toothed ring 6 drives the internal thread rotating cylinder 5 to rotate, and under the action of the threads, the threaded rod 13 is made to move downwards, so that the lower die 1 and the upper die 2 are quickly separated, and quick die stripping is realized.

Compared with the prior art, through the precession of threaded rod 13 and internal thread rotary cylinder 5, when the compound die, closely laminate bed die 1 and last mould 2 together, when the die sinking, make bed die 1 and last mould 2 quick separation, avoid the staff to rely on the strength alone to carry out bed die 1 and last mould 2's separating mould, improve bed die 1 and last mould 2 die sinking's efficiency, convenient to use person uses.

The utility model discloses an auxiliary demolding structure of a plastic mold, when the mold is closed, a worker passes a threaded rod 13 and a limiting rod 12 through a limiting hole 14, the threaded rod 13 enters the inside of an internal thread rotating cylinder 5, then the worker inserts a swinging rod 7 into the inside of a through hole 10, rotates the swinging rod 7, the swinging rod 7 drives a rotating block 9 to rotate, the rotating block 9 drives a rotating rod 3 to rotate, the rotating rod 3 drives a gear 8 to rotate, the gear 8 drives a toothed ring 6 to rotate, the toothed ring 6 drives the internal thread rotating cylinder 5 to rotate, and under the action of threads, the threaded rod 13 moves upwards, so that a lower mold 1 and an upper mold 2 are closed, and the lower mold 1 and the upper mold 2 are tightly attached.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. The utility model provides a plastic mould auxiliary demoulding structure, includes bed die (1), goes up mould (2) and fastening mechanism, a plurality of gag lever post (12) are vertically installed to the lateral wall upper end of bed die (1), gag lever post (12) are circumference array setting around the central point of bed die (1), a serial communication port, threaded rod (13) are vertically installed to the upper end of gag lever post (12), offer spacing hole (14) that use with gag lever post (12) and threaded rod (13) cooperation on last mould (2), the degree of depth of spacing hole (14) is greater than the height of gag lever post (12), the upper end of threaded rod (13) passes spacing hole (14) and sets up the top of last mould (2);

the fastening mechanism is arranged at the upper end of the upper die (2) and used for driving the upper die (2) to move, when the lower die (1) and the upper die (2) are closed, the lower die (1) and the upper die (2) are tightly attached, and when the lower die (1) and the upper die (2) are opened, the lower die (1) and the upper die (2) are quickly separated and demoulded.

2. The plastic mold auxiliary demolding structure according to claim 1, wherein the fastening mechanism comprises a mounting plate (11), the mounting plate (11) is arranged above the upper mold (2), a plurality of internal thread rotating cylinders (5) corresponding to the threaded rods (13) one by one are arranged between the mounting plate (11) and the upper mold (2), the threaded rods (13) and the internal thread rotating cylinders (5) are connected together through threaded rotation, rotating rings (15) are arranged at the lower ends and the lower ends of the side walls of the internal thread rotating cylinders (5), rotating seats (4) are rotatably connected to the side walls of the rotating rings (15), the rotating seats (4) at the lower ends of the internal thread rotating cylinders (5) are arranged at the upper ends of the upper mold (2), the rotating seats (4) at the upper ends of the internal thread rotating cylinders (5) are arranged at the lower ends of the mounting plate (11), and toothed rings (6) for driving the internal thread rotating cylinders (5) are arranged on the side walls of the internal thread rotating cylinders (5), and driving components for driving the toothed rings (11) to rotate.

3. The plastic mold auxiliary demolding structure according to claim 2, characterized in that the driving assembly comprises a gear (8), the gear (8) is arranged above the upper mold (2), the gear (8) is meshed with all toothed rings (6), a rotating rod (3) is vertically arranged at the center position of the gear (8), the lower end of the rotating rod (3) is rotationally connected with the upper end of the upper mold (2), a rotating block (9) for driving the rotating rod (3) to rotate is arranged at the upper end of the rotating rod (3) through a mounting plate (11), a plurality of perforations (10) are formed in the rotating block (9), the perforations (10) are arranged in a circumferential array, and a swinging rod (7) for facilitating the rotation of the rotating block (9) by workers is inserted in the perforations (10).

4. A plastic mould auxiliary demoulding structure as claimed in claim 2, characterized in that the inner wall of the rotary seat (4) is provided with balls which facilitate the rotation of the rotary ring (15).

5. A plastic mould auxiliary demoulding structure as claimed in claim 2, characterized in that the toothed ring (6) and the internal thread rotating cylinder (5) are fixedly mounted together by means of welding.

6. A plastic mould auxiliary demoulding structure according to claim 3, characterized in that the side wall of the swinging rod (7) is provided with a rubber sleeve which is convenient for a worker to hold the swinging rod (7).

7. A plastic mould auxiliary demoulding structure as claimed in claim 2, characterized in that the mounting plate (11) is provided with reinforcing ribs for improving the structural strength of the mounting plate (11).