CN219294482U

CN219294482U - Plastic mold core guide structure

Info

Publication number: CN219294482U
Application number: CN202320429227.2U
Authority: CN
Inventors: 王志峰
Original assignee: Qingdao Zhixu Precision Molding Co ltd
Current assignee: Qingdao Zhixu Precision Molding Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-07-04
Anticipated expiration: 2033-03-09

Abstract

The utility model provides a plastic mould core guiding structure, which belongs to the technical field of plastic mould processing, and comprises the following components: the frame body is fixedly connected with an electric push rod; the fixing assembly comprises a fixing plate fixedly connected to the lower end of the electric push rod, the bottom of the fixing plate is connected with a supporting plate through a compression spring, an upper pressing plate is fixedly connected below the supporting plate, the bottom of the frame body is fixedly connected with a base, a movable groove is formed in the base, and a lower pressing plate is connected in the movable groove in a sliding mode; the positioning assembly comprises a limiting side plate fixedly connected below the supporting plate. According to the utility model, the two sides of the plastic mould are limited by the limiting side plates, so that the position deviation of the mould caused by extrusion is avoided, and the processing precision of the plastic mould is ensured; and the lower pressing plate can be adjusted to a proper height, so that the mold core of the mold is positioned more accurately, and the operation process is simpler and more convenient.

Description

Plastic mold core guide structure

Technical Field

The utility model relates to the technical field of plastic mold processing, in particular to a plastic mold core guiding structure.

Background

The plastic mold is a manufacturing matching device for plastic mold processing and mold forming, and because of the high difference of the material characteristics and the processing method of the plastic, the plastic mold processing and forming device has various structures and designs, and the plastic mold mainly can be divided into an injection mold, a compression mold, an extrusion mold and the like according to the processing method, and the central position of the plastic mold needs to be determined in the compression or extrusion process of the plastic, so that a product conforming to the target structural design is processed.

The existing plastic mold core guiding structure comprises the following structures: the utility model discloses a plastic mold core guide structure is disclosed for CN208468918U, including screw, mouth of moulding plastics, roof, last mould, protective sheath, clamp plate, guider, bed die, base, mount, the screw is in the coplanar with the mouth of moulding plastics, roof and last mould are integrated structure, the protective sheath is laminated with the surface of clamp plate mutually, guider is connected with the upper surface of bed die, the mount welds with the upper surface of base mutually, guider includes guide rack, shock attenuation pressure spring, guide post, guided way, locating pin, constant head tank, housing, buffer board, meshing board, guide pin.

The above prior art often has the following problems when in use:

in the processing process of the mold, the plastic mold is firstly required to be fixed so as to ensure the stability of the mold under the compression or extrusion processing method, however, the upper and lower pressing plates of the existing mold are easy to shift due to the extrusion of the plastic mold, so that the processing precision of the mold is reduced and even the product is damaged;

in the existing processing method, a lower pressing plate is usually adopted for fixing, a moving upper pressing plate is utilized for positioning and guiding a plastic mold core, however, when molds with different specifications are processed, the lower pressing plate needs to be replaced, the height of the lower pressing plate is adjusted to enable the mold core to correspond, and the positioning and guiding operation process becomes more complicated and inconvenient to use.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a plastic mold core guiding structure.

The embodiment of the utility model provides a plastic mould core guiding structure, which comprises the following components:

the frame body is fixedly connected with an electric push rod;

the fixing assembly comprises a fixing plate fixedly connected to the lower end of the electric push rod, the bottom of the fixing plate is connected with a supporting plate through a compression spring, an upper pressing plate is fixedly connected below the supporting plate, the bottom of the frame body is fixedly connected with a base, a movable groove is formed in the base, and a lower pressing plate is connected in the movable groove in a sliding mode;

the positioning assembly comprises a limiting side plate fixedly connected to the lower portion of the supporting plate, a positioning plate is fixedly connected to the upper pressing plate, racks are fixedly connected to the positioning plate and the limiting side plate, gears are rotatably connected in the movable groove in the base through a transfer shaft, and the gears are meshed with the racks.

Further, the upper end and the lower end of the compression spring are fixedly connected with the bottom surface of the fixed plate and the upper surface of the supporting plate respectively.

Further, the sections of the upper pressing plate and the lower pressing plate are arc-shaped, and buffer pads are arranged on the surfaces of the upper pressing plate and the lower pressing plate.

Further, the limiting side plates and the positioning plates are made of alloy steel.

Further, the bottom of the lower pressing plate is fixedly connected with a limiting column, a through hole is formed in the base, and the limiting column is slidably connected in the through hole.

Further, the number of the compression springs is four, and the positions of the four compression springs are distributed in a rectangular shape.

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

according to the utility model, the fixing assembly is arranged, the plastic mould is fixed through the upper pressing plate and the lower pressing plate, and meanwhile, the two sides of the plastic mould are limited through the limiting side plates, so that the position deviation of the mould caused by extrusion is avoided, and the processing precision of the plastic mould is ensured; and set up locating component, through the transmission cooperation of locating plate and spacing curb plate for top board and holding down plate are close to the removal to the mould simultaneously, thereby make the holding down plate synchronous adjustment to suitable height, make the mold core location of mould more accurate, the operation process is simple and easy more convenient.

Drawings

Fig. 1 is a schematic diagram illustrating a front view of a guiding structure of a plastic mold core according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an operation structure of a plastic mold core guiding structure according to an embodiment of the present utility model.

Fig. 3 is an enlarged view at a of fig. 2.

In the above figures: 1 frame, 2 electric putter, 3 fixed plates, 4 compression springs, 5 backup pad, 6 top board, 7 base, 8 movable groove, 9 bottom board, 10 spacing curb plates, 11 locating plate, 12 racks, 13 gears, 14 spacing posts.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, an embodiment of the present utility model provides a plastic mold core guiding structure, which includes a frame 1, a fixing component and a positioning component: the frame body 1 is fixedly connected with an electric push rod 2; the fixing assembly comprises a fixing plate 3 fixedly connected to the lower end of the electric push rod 2, the bottom of the fixing plate 3 is connected with a supporting plate 5 through a compression spring 4, the upper end and the lower end of the compression spring 4 are fixedly connected with the bottom surface of the fixing plate 3 and the upper surface of the supporting plate 5 respectively, the number of the compression springs 4 is four, the positions of the four compression springs 4 are distributed in a rectangular shape, an upper pressing plate 6 is fixedly connected below the supporting plate 5, a base 7 is fixedly connected to the bottom of the frame 1, a movable groove 8 is formed in the base 7, a lower pressing plate 9 is slidably connected in the movable groove 8, the sections of the upper pressing plate 6 and the lower pressing plate 9 are arc-shaped, buffer cushions are arranged on the surfaces of the upper pressing plate 6 and the lower pressing plate 9, limiting columns 14 are fixedly connected to the bottom of the lower pressing plate 9, through holes are formed in the base 7, and the limiting columns 14 are slidably connected in the through holes;

when the plastic die is used, the electric push rod 2 is started to work, so that the electric push rod 2 pushes the fixing plate 3 to descend, the fixing plate 3 pushes the supporting plate 5 and the upper pressing plate 6 to descend through the compression spring 4, the compression spring 4 provides a buffer effect in the process, the plastic die at the initial extrusion moment is protected, the upper pressing plate 6 is attached to the plastic die, meanwhile, the limiting side plate 10 fixed below the supporting plate 5 synchronously descends and limits the side edge of the plastic die, the position deviation of the die due to extrusion is avoided, and the processing precision of the plastic die is guaranteed.

As shown in fig. 1-3, the positioning assembly comprises a limiting side plate 10 fixedly connected below a supporting plate 5, a positioning plate 11 is fixedly connected to an upper pressing plate 6, the limiting side plate 10 and the positioning plate 11 are made of alloy steel, racks 12 are fixedly connected to the positioning plate 11 and the limiting side plate 10, gears 13 are rotatably connected in movable grooves 8 in a base 7 through a transfer shaft, and the gears 13 are meshed with the racks 12;

when the limiting side plate 10 descends and gradually enters the movable groove 8 on the base 7, the rack 12 on the limiting side plate 10 and the rack 12 on the positioning plate 11 are meshed with the gear 13, so that the limiting side plate 10 drives the positioning plate 11 and the lower pressing plate 9 to move upwards through the gear 13, meanwhile, the limiting column 14 fixed at the bottom of the lower pressing plate 9 slides upwards, the lower pressing plate 9 is further limited in movement, the lower pressing plate 9 moves upwards along with the descending of the upper pressing plate 6, and the lower pressing plate 9 is further synchronously adjusted to a proper height, so that the mold core of the mold is positioned more accurately, and the operation process is simpler and more convenient.

The detailed working process of the utility model is as follows:

when the plastic die is used, the electric push rod 2 is started to work, so that the electric push rod 2 pushes the fixed plate 3 to descend, the fixed plate 3 pushes the supporting plate 5 and the upper pressing plate 6 to descend through the compression spring 4, the compression spring 4 provides a buffer effect in the process, so that the plastic die at the initial extrusion moment is protected, the upper pressing plate 6 is attached to the plastic die, and meanwhile, the limiting side plate 10 fixed below the supporting plate 5 synchronously descends and limits the side edge of the plastic die, so that the position deviation of the die due to extrusion is avoided, and the processing precision of the plastic die is ensured;

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A plastic mold core guide structure, comprising:

the device comprises a frame body (1), wherein an electric push rod (2) is fixedly connected to the frame body (1);

the fixing assembly comprises a fixing plate (3) fixedly connected to the lower end of the electric push rod (2), the bottom of the fixing plate (3) is connected with a supporting plate (5) through a compression spring (4), an upper pressing plate (6) is fixedly connected below the supporting plate (5), a base (7) is fixedly connected to the bottom of the frame body (1), a movable groove (8) is formed in the base (7), and a lower pressing plate (9) is connected in the movable groove (8) in a sliding mode;

the positioning assembly comprises a limiting side plate (10) fixedly connected to the lower portion of the supporting plate (5), a positioning plate (11) is fixedly connected to the upper pressing plate (6), racks (12) are fixedly connected to the positioning plate (11) and the limiting side plate (10), gears (13) are rotatably connected to the movable grooves (8) in the base (7) through transfer shafts, and the gears (13) are meshed with the racks (12).

2. The plastic mold core guiding structure according to claim 1, wherein:

the upper end and the lower end of the compression spring (4) are fixedly connected with the bottom surface of the fixed plate (3) and the upper surface of the supporting plate (5) respectively.

3. The plastic mold core guiding structure according to claim 1, wherein:

the sections of the upper pressing plate (6) and the lower pressing plate (9) are arc-shaped, and buffer pads are arranged on the surfaces of the upper pressing plate (6) and the lower pressing plate (9).

4. The plastic mold core guiding structure according to claim 1, wherein:

the limiting side plates (10) and the positioning plates (11) are made of alloy steel.

5. The plastic mold core guiding structure according to claim 1, wherein:

the bottom of the lower pressing plate (9) is fixedly connected with a limiting column (14), a through hole is formed in the base (7), and the limiting column (14) is slidably connected in the through hole.

6. The plastic mold core guiding structure according to claim 1, wherein:

the number of the compression springs (4) is four, and the positions of the four compression springs (4) are distributed in a rectangular shape.