CN219563986U

CN219563986U - Middle frame die

Info

Publication number: CN219563986U
Application number: CN202320633570.9U
Authority: CN
Inventors: 黄伟俊; 林光其
Original assignee: Shenzhen Baohong Precision Mould Co ltd
Current assignee: Shenzhen Baohong Precision Mould Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-22
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a middle frame die, which comprises an upper die and a lower die, wherein an upper die core is arranged at the bottom of the upper die, a lower die core is arranged at the top of the lower die, a middle frame main body forming die core is arranged at the top of the lower die core, butt joint blocks are arranged at the lower edges of two sides of the upper die core, an inserting block is arranged at the bottom of the butt joint block, a clamping groove is formed in one side of the inserting block, and locking components convenient to adjust are arranged at two sides of the lower die core; according to the utility model, the upper mold core and the lower mold core are combined, the butt joint blocks on the upper mold core are in butt joint with the fixing seats on the lower mold core, the butt joint blocks are inserted into the slots, and the locking assemblies are matched, so that the self-locking between the upper mold core and the lower mold core is formed, meanwhile, the disassembly between the upper mold core and the lower mold core is convenient, and the problem that a special tool is required to be screwed and complicated during disassembly and assembly, or the upper mold core and the lower mold core are directly attached and placed, so that expansion can be caused during injection molding work, and the injection molding quality of a middle frame mold is influenced is solved.

Description

Middle frame die

Technical Field

The utility model relates to the technical field of injection molds, in particular to a middle frame mold.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation of operation, multiple colors, various shapes, large size, accurate product size, easy updating of products, and capability of forming products with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing. The requirements of people on the middle frame products are higher and higher, the products are required to be attractive in appearance, free of defects, and in line with the aesthetic of consumers, the products are required to be perfect. Some middle frames are made of plastic, and are injection-molded through a mold.

In the prior art, an upper mold core and a lower mold core in a middle frame mold are fixed together through bolts, special tools are needed to be screwed and are complicated during disassembly and assembly, or the upper mold core and the lower mold core are directly attached and placed through the action of gravity, and the quality of the middle frame mold injection molding is possibly affected due to expansion caused by overlarge pressure during injection molding.

Disclosure of Invention

The present utility model is directed to a middle frame mold, which solves the above-mentioned 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 a center mould, includes mould and lower mould, the bottom of going up the mould is provided with the mold core, and the top of lower mould is provided with down the mold core, and the top of lower mold core is provided with center main part core, and the both sides lower edge department of going up the mold core is provided with the butt joint piece, and the bottom of butt joint piece is provided with the inserted block, and the draw-in groove has been seted up to one side of inserted block, and the both sides of lower mold core all are provided with the locking Assembly of being convenient for adjust.

Preferably, the locking component comprises a fixing seat, the top of the fixing seat is provided with a slot, and the inserting block is matched with the slot.

Preferably, a groove is formed in one side of the fixing seat, a mounting block is arranged at the opening of the groove, a traction rod is inserted on the mounting block in a sliding manner, a clamping block is arranged at the end part of the traction rod, the clamping block is of a T-shaped block structure, the upper side of the end part of the clamping block is of an arc surface structure, and the end part of the clamping block and the clamping groove are correspondingly arranged.

Preferably, a supporting spring is arranged between the mounting block and the clamping block on the traction rod, a fixing bar block is arranged on the outer side of the mounting block, and a limiting groove is formed in the upper side of the end part of the fixing bar block.

Preferably, the end part of the traction rod is provided with a traction block, one side of the traction block is provided with a rotary groove, a fixed shaft is arranged on the traction block and positioned in the rotary groove, a limiting block is rotatably arranged on the fixed shaft, and a torsion spring is arranged on the fixed shaft.

Preferably, one end of the torsion spring is fixed on the fixed shaft, the other end of the torsion spring is fixed on the limiting block, and the limiting block and the limiting groove are correspondingly arranged.

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

according to the utility model, the upper mold core and the lower mold core are combined, the butt joint blocks on the upper mold core are in butt joint with the fixing seats on the lower mold core, the butt joint blocks are inserted into the slots, and the locking assemblies are matched, so that the self-locking between the upper mold core and the lower mold core is formed, meanwhile, the disassembly between the upper mold core and the lower mold core is convenient, and the problem that a special tool is required to be screwed and complicated during disassembly and assembly, or the upper mold core and the lower mold core are directly attached and placed, so that expansion can be caused during injection molding work, and the injection molding quality of a middle frame mold is influenced is solved.

Drawings

FIG. 1 is an exploded view of a middle frame mold according to the present utility model.

Fig. 2 is a schematic structural diagram of the fixing base of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: an upper die 1; a lower die 2; an upper mold core 3; a butt joint block 31; a plug 32; a card slot 33; a lower mold core 4; a middle frame body forming core 5; a fixed seat 6; a slot 61; a mounting block 62; a pulling rod 63; a latch 64; a support spring 65; a pulling block 7; a stopper 71; a fixed shaft 72; a torsion spring 73; fixing the bar block 8; a limit groove 81.

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 to 3, the present utility model provides a technical solution: the utility model provides a center mould, includes mould 1 and lower mould 2, and the bottom fixed mounting of going up mould 1 has last mold core 3, and the top fixed mounting of lower mould 2 has lower mold core 4, and the top welding of lower mold core 4 has center main part to become core 5, and the bottom of lower mold core 4 is equipped with the main part core mechanism that can be by ejecting, and main part core mechanism is common device in the prior art and need not be repeated.

The butt joint piece 31 has been welded to the both sides lower limb department of last mold core 3, and the bottom welding of butt joint piece 31 has inserted block 32, and draw-in groove 33 has been seted up to one side of inserted block 32, and the both sides of lower mold core 4 all are provided with the locking Assembly who is convenient for adjust, and locking Assembly includes fixing base 6, and slot 61 has been seted up at the top of fixing base 6, matches each other between inserted block 32 and the slot 61, forms the location between upper mold core 3 and the lower mold core 4.

A groove is formed in one side of the fixing seat 6, a mounting block 62 is fixed at the opening of the groove, a traction rod 63 is inserted on the mounting block 62 in a sliding manner, a clamping block 64 is welded at the end part of the traction rod 63, the clamping block 64 is of a T-shaped block structure, the upper side of the end part is of an arc surface structure, and the end part of the clamping block 64 and the clamping groove 33 are correspondingly arranged.

The traction rod 63 is provided with a supporting spring 65 which is sleeved between the mounting block 62 and the clamping block 64, and an elastic clamping structure is formed between the supporting spring 65 and the clamping block 64, so that the end part of the clamping block 64 is inserted into the corresponding clamping groove 33, limiting and fixing of the inserting block 32 are realized, and fixing between the upper mold core 3 and the lower mold core 4 is formed.

The outside welding of installation piece 62 has fixed strip piece 8, and the length of fixed strip piece 8 is greater than the length of fixture block 64, and stop slot 81 has been seted up to the tip upside of fixed strip piece 8, and the tip welding of traction rod 63 has traction piece 7, and the change groove has been seted up to one side of traction piece 7, is located the change inslot fixed grafting on the traction piece 7 and has had fixed axle 72, has rotated on the fixed axle 72 and has cup jointed stopper 71.

The fixed shaft 72 is sleeved with the torsion spring 73, one end of the torsion spring 73 is fixed on the fixed shaft 72, the other end of the torsion spring 73 is fixed on the limiting block 71, the limiting block 71 and the limiting groove 81 are correspondingly arranged, and the torsion force direction of the torsion spring 73 approaches to the fixed bar block 8.

In actual use, the upper mold core 3 and the lower mold core 4 are combined, at the moment, the butt joint block 31 on the upper mold core 3 is in butt joint with the fixed seat 6 on the lower mold core 4, at the moment, the insert block 32 is inserted into the corresponding slot 61, in the process, the side surface of the insert block 32 presses the arc surface of the end part of the clamp block 64, so that the end part of the clamp block 64 is pressed and contained in the groove, when the bottom end of the insert block 32 is contacted with the bottom end of the slot 61, under the action of the elasticity of the supporting spring 65, the end part of the clamp block 64 is inserted into the corresponding clamping groove 33, thereby realizing self-locking between the upper mold core 3 and the lower mold core 4, requiring special tools to screw and being complicated when disassembly is not needed, and avoiding the possibility of expanding to influence the injection quality of the middle frame mold during injection molding; when the drawing block 7 is pulled during disassembly, the limiting block 71 slides on the fixed bar block 8 at the moment, the end part of the limiting block 71 is clamped on the limiting groove 81 under the action of the torsion force of the torsion spring 73, the end part of the clamping block 64 is contained in the groove at the moment, and then the other side operation is performed, so that the upper mold core 3 and the lower mold core 4 can be quickly separated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a center mould, includes mould (1) and lower mould (2), its characterized in that: the bottom of going up mould (1) is provided with mold core (3), and the top of lower mould (2) is provided with lower mold core (4), and the top of lower mold core (4) is provided with well frame main part and becomes core (5), and the both sides lower edge department of going up mold core (3) is provided with butt joint piece (31), and the bottom of butt joint piece (31) is provided with insert block (32), and draw-in groove (33) have been seted up to one side of insert block (32), and the both sides of lower mold core (4) all are provided with the locking subassembly of being convenient for adjust.

2. A center die as set forth in claim 1, wherein: the locking assembly comprises a fixing seat (6), a slot (61) is formed in the top of the fixing seat (6), and the inserting block (32) is matched with the slot (61).

3. A center die as claimed in claim 2, wherein: one side of fixing base (6) is seted up flutedly, and the opening part of recess is provided with installation piece (62), and the slip grafting has traction rod (63) on installation piece (62), and the tip of traction rod (63) is provided with fixture block (64), and fixture block (64) are "T" type massive structure, and the tip upside is the arc surface structure, corresponds between the tip and draw-in groove (33) of fixture block (64).

4. A center die as claimed in claim 3, wherein: the traction rod (63) is provided with a supporting spring (65) between the installation block (62) and the clamping block (64), the outer side of the installation block (62) is provided with a fixed bar block (8), and the upper side of the end part of the fixed bar block (8) is provided with a limit groove (81).

5. A center die as claimed in claim 3, wherein: the end of the traction rod (63) is provided with a traction block (7), one side of the traction block (7) is provided with a rotary groove, a fixed shaft (72) is arranged on the traction block (7) and positioned in the rotary groove, a limiting block (71) is arranged on the fixed shaft (72) in a rotating mode, and a torsion spring (73) is arranged on the fixed shaft (72).

6. A center die as set forth in claim 5, wherein: one end of the torsion spring (73) is fixed on the fixed shaft (72), the other end of the torsion spring is fixed on the limiting block (71), and the limiting block (71) and the limiting groove (81) are correspondingly arranged.