CN215882442U

CN215882442U - Lower die structure convenient to install

Info

Publication number: CN215882442U
Application number: CN202121937128.2U
Authority: CN
Inventors: 栾承亚; 李申; 魏小菊; 陈政祥
Original assignee: Ningbo Wanlin Electronic Technology Co ltd
Current assignee: Ningbo Wanlin Electronic Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-22
Anticipated expiration: 2031-08-18

Abstract

The utility model relates to a lower die structure convenient to install, which comprises a lower die frame, wherein two bosses are respectively installed on two sides of the upper end of the lower die frame, a guide groove is transversely arranged between the two bosses in the middle of the upper end of the lower die frame, a cushion block, a lower die core, a pouring insert, the lower die core, a wedge block and an inclined guide block are sequentially installed in the guide groove from left to right, the pouring insert is positioned in the middle of the guide groove, outward extending steps are uniformly arranged on two sides of the bottom of the pouring insert, a butt joint notch matched with the steps is formed in the lower part of one end, close to the pouring insert, of each lower die core, and the inclined guide block is fixed with the adjacent bosses. The original whole mold core is divided into the cushion block, the lower mold core, the pouring insert, the lower mold core, the wedge block and the inclined guide block, only damaged parts need to be replaced during later replacement and maintenance, the maintenance cost is greatly reduced, and the positions of all the parts can be adjusted within a certain range by rotating the screw between the wedge block and the lower mold frame.

Description

Lower die structure convenient to install

Technical Field

The utility model relates to the technical field of dies, in particular to a lower die structure convenient to mount.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The existing lower die of the injection mold generally has more die cavities, but only one lower die core is provided, the lower die core is provided with a pouring bulge and a plurality of groups of die cavities, the positions of the pouring bulge and the die cavities are all vulnerable parts, when the lower die core needs to be replaced, only the whole lower die core can be replaced, the lower die core is not well adjusted, and the position deviation is easy to occur.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lower die structure convenient to install, wherein the original whole die core is divided into a cushion block, a lower die core, a pouring insert, a lower die core, a wedge block and an inclined guide block, only damaged parts need to be replaced during later replacement and maintenance, so that the maintenance cost is greatly reduced, and the positions of all the parts can be adjusted within a certain range by rotating screws between the wedge block and a lower die frame, so that the position precision is ensured.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a lower mode construction easy to assemble, includes lower die frame, the both sides of lower die frame upper end respectively install a boss, a middle part of this lower die frame upper end is located a transverse arrangement has a guide slot between two bosss, the guide slot in from left to right install cushion, lower mold core, pouring mold insert, lower mold core, voussoir and oblique guide block in proper order, the both sides equipartition that this pouring mold insert is located guide slot middle part and pouring mold insert bottom has been put one outside extension step, its lower part of its one end that every lower mold core is close to the pouring mold insert all is provided with step complex butt joint breach, oblique guide block fixed with adjacent boss, the voussoir be close to one side of oblique guide block and be the inclined plane, this voussoir opposite side is vertical face.

As a supplement to the technical scheme of the utility model, the middle parts of the upper ends of the outer sides of the bosses are respectively embedded with a concave positioning block.

As a supplement to the technical solution of the present invention, a plurality of wear plates are installed at the bottom of the guiding groove.

As a supplement to the technical scheme of the utility model, the front side and the rear side of the upper end of the lug boss are respectively provided with a positioning notch.

As a supplement to the technical scheme of the utility model, the middle part of the casting insert is vertically provided with a through hole.

As a supplement to the technical scheme of the utility model, the upper ends of the wedge block and the cushion block are both longitudinally provided with a strip-shaped groove, and the bottom of the strip-shaped groove is vertically provided with a plurality of screw mounting holes.

Has the advantages that: the utility model relates to a lower die structure convenient to install, wherein during installation, a cushion block is firstly placed into a guide groove and is moved leftwards, so that the cushion block is abutted against a boss on the left side, the cushion block is fixed through a screw, an inclined guide block is placed on the right side of the guide groove, the inclined guide block is fixed with the boss on the right side, then a lower die core, a pouring insert and another lower die core are placed into the guide groove, a wedge block is inserted between the lower die core and the inclined guide block, one side of the wedge block, which is close to the lower die core, is a vertical surface, the other side of the wedge block is an inclined surface, the inclined surface is in extrusion fit with the slope of the inclined guide block, so that all parts are tightly matched together, and a butt joint notch at the lower part of the lower die core is buckled with a step of the pouring insert to form a stable assembly structure. The original whole mold core is divided into the cushion block, the lower mold core, the pouring insert, the lower mold core, the wedge block and the inclined guide block, only damaged parts need to be replaced during later replacement and maintenance, maintenance cost is greatly reduced, and the position of each part can be adjusted within a certain range by rotating the screw between the wedge block and the lower mold frame, so that position accuracy is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the casting insert of the present invention;

FIG. 3 is a schematic view of the structure of a lower mold core according to the present invention;

FIG. 4 is a schematic structural view of a lower mold frame according to the present invention;

fig. 5 is a schematic structural view of the wedge according to the present invention.

The figure is as follows: 1. lower die frame, 2, boss, 3, cushion, 4, lower die core, 5, pouring mold insert, 6, oblique guide block, 7, voussoir, 8, location breach, 9, locating piece, 10, guide slot, 11, antifriction plate, 12, step, 13, butt joint breach, 14, through-hole, 15, inclined plane, 16, rectangular recess, 17, screw mounting hole, 18, vertical face.

Detailed Description

The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The embodiment of the utility model relates to a lower die structure convenient to install, which comprises a lower die frame 1, wherein two sides of the upper end of the lower die frame 1 are respectively provided with a lug boss 2, a guide groove 10 is transversely arranged between the two bosses 2 in the middle of the upper end of the lower die frame 1, a cushion block 3, a lower die core 4, a casting insert 5, a lower die core 4, a wedge block 7 and an inclined guide block 6 are sequentially arranged in the guide groove 10 from left to right, the casting insert 5 is positioned in the middle of the guide groove 10, steps 12 extending outwards are uniformly arranged on two sides of the bottom of the casting insert 5, a butt joint notch 13 matched with the steps 12 is arranged at the lower part of one end of each lower mold core 4 close to the casting insert 5, the inclined guide block 6 is fixed with the adjacent boss 2, one side of the wedge block 7 close to the inclined guide block 6 is an inclined surface 15, and the other side of the wedge block 7 is a vertical surface 18.

During installation, the cushion block 3 is firstly placed into the guide groove 10 and moved leftwards, so that the cushion block 3 is close to the left boss 2, the cushion block 3 is fixed through screws, the inclined guide block 6 is placed into the right side of the guide groove 10, the inclined guide block 6 is fixed with the right boss 2, then a lower mold core 4, a pouring insert 5 and another lower mold core 4 are placed into the guide groove 10, a wedge block 7 is inserted between the lower mold core 4 and the inclined guide block 6, one side, close to the lower mold core 4, of the wedge block 7 is a vertical surface 18, the other side of the wedge block 7 is an inclined surface 15, the wedge block 7 is fixed with the lower mold frame 1 through screws, the inclined surface 15 is in extrusion fit with the inclined surface of the inclined guide block 6, so that all parts are tightly matched together, a butt joint notch 13 at the lower part of the lower mold core 4 is buckled with a step 12 of the pouring insert 5, and a stable assembly structure is formed. When the maintenance is changed in the later stage, only the damaged parts need to be changed, thereby greatly reducing the maintenance cost. The positions of all parts can be adjusted within a certain range by rotating the screws between the wedge block 7 and the lower die frame 1, and the position precision is ensured.

The middle part of the upper end of the outer side of the boss 2 is embedded with a concave positioning block 9, and the front side and the rear side of the upper end of the boss 2 are respectively provided with a positioning notch 8. The concave positioning block 9 and the concave positioning notch 8 are arranged for accurate butt joint of the upper die and the lower die.

The bottom of the guide groove 10 is provided with a plurality of wear-resisting plates 11, and the wear-resisting plates 11 are arranged to prevent parts from directly contacting the bottom of the guide groove 10, so that the wear is reduced.

The middle part of the casting insert 5 is vertically provided with a through hole 14, an ejector rod is arranged in the through hole 14, and the ejector rod ejects the waste material in the casting system.

The upper end of voussoir 7 and the upper end of cushion 3 all vertically seted up a rectangular recess 16, a plurality of screw mounting holes 17 have vertically been seted up to this rectangular recess 16 bottom, set up rectangular recess 16 and screw mounting hole 17 and hide the screw embedding, when reducing die sinking and compound die, the influence of screw to other parts.

Claims

1. The utility model provides a lower mode structure easy to assemble, includes lower framed (1), its characterized in that: two sides of the upper end of the lower die frame (1) are respectively provided with a lug boss (2), the middle part of the upper end of the lower die frame (1) is positioned between the two lug bosses (2) and is transversely provided with a guide groove (10), a cushion block (3), a lower mold core (4), a pouring insert (5), the lower mold core (4), a wedge block (7) and an inclined guide block (6) are sequentially arranged in the guide groove (10) from left to right, the casting insert (5) is positioned in the middle of the guide groove (10), steps (12) extending outwards are uniformly arranged on two sides of the bottom of the casting insert (5), a butt joint notch (13) matched with the steps (12) is arranged on the lower portion of one end, close to the casting insert (5), of each lower mold core (4), the inclined guide block (6) is fixed with the adjacent boss (2), one side of the wedge block (7) close to the inclined guide block (6) is an inclined plane (15), and the other side of the wedge block (7) is a vertical plane (18).

2. A lower die structure convenient to install according to claim 1, wherein: the middle part of the upper end of the outer side of the boss (2) is embedded with a concave positioning block (9).

3. A lower die structure convenient to install according to claim 1, wherein: the bottom of the guide groove (10) is provided with a plurality of wear-resisting plates (11).

4. A lower die structure convenient to install according to claim 1, wherein: the front side and the rear side of the upper end of the boss (2) are respectively provided with a positioning gap (8).

5. A lower die structure convenient to install according to claim 1, wherein: the middle part of the casting insert (5) is vertically provided with a through hole (14).

6. A lower die structure convenient to install according to claim 1, wherein: the upper end of voussoir (7) and the upper end of cushion (3) all vertically seted up a rectangular recess (16), a plurality of screw mounting hole (17) have vertically been seted up to this rectangular recess (16) bottom.