CN219563986U - A middle frame mold - Google Patents

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

A middle frame mold

technical field

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

Background technique

Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of injection molding method are fast production speed, high efficiency, automatic operation, various designs and colors, and shapes from simple to complex. The size can range from large to small, and the product size is accurate, the product is easy to replace, and can be formed into parts with complex shapes. Injection molding is suitable for mass production and complex-shaped products and other molding processing fields. People have higher and higher requirements for middle-frame products, not only require the product to be beautiful in appearance, free from defects, conform to the aesthetics of consumers, and pursue product perfection. The material of some middle frames is plastic, so they are all injection molded through molds.

In the prior art, the upper mold core and the lower mold core in the middle frame mold are fixed together by bolts, and special tools are required for screwing during disassembly and assembly, which is cumbersome, or the upper mold core and the lower mold core are directly connected by gravity. Placed close together, due to excessive pressure during injection molding, it may cause expansion and affect the quality of the injection molding of the middle frame mold.

Utility model content

The purpose of this utility model is to provide a middle frame mold to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a middle frame mold, including an upper mold and a lower mold, the bottom of the upper mold is provided with an upper mold core, the top of the lower mold is provided with a lower mold core, and the lower mold The top of the core is provided with the main body molding core of the middle frame, the lower edge of both sides of the upper mold core is provided with a docking block, the bottom of the docking block is provided with an insert block, one side of the insert block is provided with a card slot, and the two sides of the lower mold core are All are equipped with locking components for easy adjustment.

Preferably, the locking assembly includes a fixing base, a slot is opened on the top of the fixing base, and the inserting block and the slot are matched with each other.

Preferably, a groove is provided on one side of the fixed seat, and a mounting block is provided at the opening of the groove, and a pulling rod is slidably inserted into the mounting block, and a block is provided at the end of the pulling rod, and the blocking block is "T" block structure, and the upper side of the end part is a circular arc surface structure, and the end part of the block and the card slot are arranged correspondingly.

Preferably, a supporting spring is provided on the pulling rod between the mounting block and the clamping block, a fixing bar is provided on the outside of the mounting block, and a limiting groove is opened on the upper side of the end of the fixing bar.

Preferably, the end of the pulling rod is provided with a pulling block, one side of the pulling block is provided with a turning groove, a fixed shaft is arranged on the pulling block in the turning groove, and a limit block is arranged on the fixed shaft for rotation, A torsion spring is arranged on the fixed shaft.

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

Compared with the prior art, the beneficial effects of the utility model are:

The utility model combines the upper mold core with the lower mold core, the docking block on the upper mold core is docked with the fixed seat on the lower mold core, and is plugged into the slot through the plug-in block, plus the cooperation of the locking assembly , to form a self-lock between the upper mold core and the lower mold core, and at the same time facilitate the disassembly between the upper mold core and the lower mold core, which solves the need for special tools for screwing during disassembly and assembly, which is cumbersome, or the upper mold core and the lower mold core If the mold cores are directly placed together, it may cause expansion during injection molding, which will affect the quality of the injection molding of the middle frame mold.

Description of drawings

Fig. 1 is the explosion schematic diagram of the middle frame mold of the present invention.

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

Fig. 3 is an enlarged structural schematic diagram of A in Fig. 2 of the present utility model.

In the figure: upper mold 1; lower mold 2; upper mold core 3; docking block 31; inserting block 32; card slot 33; lower mold core 4; middle frame main body molding core 5; 62; pull rod 63; block 64; support spring 65; pull block 7; limit block 71; fixed shaft 72; torsion spring 73;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 to Fig. 3, the utility model provides a kind of technical solution: a kind of middle frame mould, comprises upper mold 1 and lower mold 2, the bottom of upper mold 1 is fixedly installed with upper mold core 3, the top of lower mold 2 A lower mold core 4 is fixedly installed, and the top of the lower mold core 4 is welded with a middle frame main body molding core 5, and the bottom of the lower mold core 4 is provided with a main body core mechanism that can be ejected. Common devices are not described in detail.

The lower edge of both sides of the upper mold core 3 is welded with a docking block 31, the bottom of the butt joint block 31 is welded with an insert block 32, one side of the insert block 32 is provided with a draw-in groove 33, and both sides of the lower mold core 4 are provided with convenient Adjustable locking assembly, the locking assembly includes a fixing base 6, a slot 61 is opened on the top of the fixing base 6, and the inserting block 32 matches with the slot 61 to form the positioning between the upper mold core 3 and the lower mold core 4.

One side of the fixed base 6 is provided with a groove, the opening of the groove is fixed with a mounting block 62, and a pulling rod 63 is slidably inserted on the mounting block 62, and the end of the pulling rod 63 is welded with a block 64, and the block 64 64 has a "T"-shaped block structure, and the upper side of the end part has a circular arc surface structure.

A supporting spring 65 is sleeved between the mounting block 62 and the clamping block 64 on the pulling rod 63, and an elastic clamping structure is formed between the supporting spring 65 and the clamping block 64, so that the end of the clamping block 64 is inserted into the corresponding clamping On the slot 33 , the limit fixation of the insert block 32 is realized, thereby forming the fixation between the upper mold core 3 and the lower mold core 4 .

The outside of mounting block 62 is welded with fixed bar 8, and the length of fixed bar 8 is greater than the length of block 64, and the upper side of the end of fixed bar 8 offers limit groove 81, and the end of pull bar 63 is welded with pulling Pulling block 7, one side of pulling block 7 is provided with turning groove, and pulling block 7 is positioned at turning groove and is fixedly plugged with fixed shaft 72, and fixed shaft 72 is rotatably sleeved with limiting block 71.

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

In actual use, the upper mold core 3 and the lower mold core 4 are combined. At this time, the docking block 31 on the upper mold core 3 is docked with the fixing seat 6 on the lower mold core 4. At this time, the plug-in block 32 is inserted into the On the corresponding slot 61, during this process, the side of the insert block 32 presses the end arc surface of the block 64, so that the end of the block 64 is pressed and accommodated in the groove, when the insert block 32 When contacting between the bottom end of the bottom end of the slot 61 and the bottom end of the slot 61, under the elastic force of the support spring 65, the end of the clamp block 64 is inserted into the corresponding slot 33, thereby realizing the upper mold core 3 and the lower mold core 3. The self-locking between the cores 4 does not require special tools to be screwed during disassembly and assembly, which is cumbersome, and avoids the possible expansion during injection molding work and affects the quality of the injection molding of the middle frame mold; when disassembling, pull the pulling block 7 , at this moment, the limit block 71 slides on the fixed bar 8, and under the torsion force of the torsion spring 73, the end of the limit block 71 is clamped on the limit groove 81, and at this time, the end of the block 64 accommodates to the groove, and then perform the operation on the other side, so that the upper mold core 3 and the lower mold core 4 can be separated quickly.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A middle frame mould, comprising a patrix (1) and a counterdie (2), is characterized in that: the bottom of the patrix (1) is provided with a patrix core (3), and the top of the patrix (2) A lower mold core (4) is provided, a middle frame body molding core (5) is arranged on the top of the lower mold core (4), and a docking block (31) is arranged at the lower edge of both sides of the upper mold core (3). The bottom of (31) is provided with plug-in block (32), and a side of plug-in block (32) offers draw-in groove (33), and the both sides of lower die core (4) are all provided with the locking assembly that is convenient to adjust. 2. A middle frame mold according to claim 1, characterized in that: the locking assembly includes a fixing seat (6), a slot (61) is opened on the top of the fixing seat (6), and an insert block (32) Match with the slot (61). 3. A middle frame mold according to claim 2, characterized in that: one side of the fixing seat (6) is provided with a groove, the opening of the groove is provided with a mounting block (62), and the mounting block ( 62) A pull rod (63) is slidably connected to the upper end of the pull rod (63). A block (64) is provided at the end of the pull rod (63). It has an arc surface structure, and the end of the clamping block (64) is arranged correspondingly to the clamping groove (33). 4. A middle frame mold according to claim 3, characterized in that: a supporting spring (65) is arranged on the pulling rod (63) between the mounting block (62) and the clamping block (64), The outside of the mounting block (62) is provided with a fixed bar (8), and the upper side of the end of the fixed bar (8) is provided with a limiting groove (81). 5. A middle frame mold according to claim 3, characterized in that: a pulling block (7) is provided at the end of the pulling rod (63), and one side of the pulling block (7) is provided with Rotary slot, the pulling block (7) is located in the rotary slot and is provided with a fixed shaft (72), the fixed shaft (72) is rotated with a limit block (71), and the fixed shaft (72) is provided with a torsion spring (73) . 6. A middle frame mold according to claim 5, characterized in that: one end of the torsion spring (73) is fixed on the fixed shaft (72), and the other end is fixed on the limit block (71), Corresponding settings are made between the limiting block (71) and the limiting groove (81).