CN220095310U

CN220095310U - Mold insert structure

Info

Publication number: CN220095310U
Application number: CN202321008519.5U
Authority: CN
Inventors: 周新; 顾杰
Original assignee: Shanghai Xihe Precision Mould Co ltd
Current assignee: Shanghai Xihe Precision Mould Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-28
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a mold insert structure, which relates to the technical field of mold inserts and comprises a base, wherein upright posts are fixed on the periphery of the top end of the base, top plates are fixedly connected with the top ends of the four upright posts, lifting seats sleeved on the outer sides of the four upright posts in a sliding way are arranged below the top plates, hydraulic cylinders are fixedly connected with the middle parts of the top ends of the top plates, the telescopic ends of the hydraulic cylinders penetrate through the top plates and are connected with the top ends of the lifting seats, feeding pipes are fixedly embedded on the lifting seats, and the feeding pipes are communicated with a bottom mold cavity of an upper mold. According to the utility model, through the loose ejection assembly, the bidirectional screw is driven to rotate by the motor, and the action of a plurality of parts is matched, so that the two movable blocks are moved away from each other, and simultaneously the U-shaped pressing rod moves upwards and the U-shaped ejection rod moves downwards, so that two inserts sleeved on the outer side of the mounting column can be rapidly positioned by the positioning column, the phenomenon that the forming position is wrong due to easy deviation in the forming stage of the die is avoided, and the quality and efficiency of the die inserts are greatly improved.

Description

Mold insert structure

Technical Field

The utility model relates to the technical field of mold inserts, in particular to a mold insert structure.

Background

Inserts are specifically referred to in the mold as irregular mold fittings for embedding in the mold, acting to fix the mold plate and to fill the space between the mold plates. The mold is often used in the mold production process, the existing mold is insufficient in cold fixing capacity due to the defect of design, the product is easy to generate a stretch-breaking condition during mold opening, and meanwhile, the main material of the nameplate is a thinner metal sheet, and the material is easy to move in the mold stamping process, so that the defect of a processed product is caused, and the existing nameplate mold is necessary to be improved.

In the use process of the existing mold insert structure, an insert needs to be placed on the outer side of a mounting column arranged at the top end of a lower mold, then plastic fluid is injected into the mold after the upper mold and the lower mold are clamped, and an insert procedure of a workpiece is realized, however, the insert is easy to deviate in a mold forming stage by adopting a direct placement method, so that the phenomenon that the forming position is wrong is easily caused, the quality and efficiency of the mold insert are greatly reduced, and secondly, a workpiece formed by the mold insert is inconvenient to be demolded from the lower mold after being opened, so that the unloading efficiency of a subsequently formed workpiece is low.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a die insert structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a mould mold insert structure, includes the base, all is fixed with the stand all around the top of base, and the top rigid coupling of four stands has the roof, and the below of roof is equipped with the slip cap and establishes the lift seat in four stand outsides, and the top middle part rigid coupling of roof has the pneumatic cylinder, and the flexible end of pneumatic cylinder runs through the roof and links to each other with the top of lift seat, and the fixed inlet pipe that inlays on the lift seat, the inlet pipe intercommunication has the bottom die cavity of upper mould, and the upper mould rigid coupling is in the bottom of lift seat, and the top rigid coupling of base has the lower mould, and the top rigid coupling of lower mould has the erection column of two symmetry settings, two install between erection column and base, the lower mould thereof and be used for carrying out quick location or the loose ejecting subassembly that unloads to two inserts, the outside of erection column is located to the equal movable sleeve of inserts.

Preferably, the loose ejection assembly comprises two mounting columns, a base of the two mounting columns and a same U-shaped pressing rod movably inserted in the lower die, the U-shaped pressing rod is inserted in the mounting columns in a sliding mode, two symmetrically arranged positioning blocks are inserted in the mounting columns, one ends of the positioning blocks are abutted against the inner wall of the insert, and the other ends of the positioning blocks are movably overlapped on the outer sides of the U-shaped pressing rod.

Preferably, two opposite ends of the two positioning blocks on the same mounting column are respectively provided with an inclined plane a, two inclined planes b which are symmetrically arranged are respectively arranged at the top ends of two sides of the U-shaped pressing rod, the inclined planes b are matched with the corresponding side ground inclined planes a, and cross-shaped inner cavities matched with the two positioning blocks and the U-shaped pressing rod are respectively formed in the mounting column.

Preferably, the top end of the positioning block is fixedly connected with a sliding block, the sliding block is connected in a sliding groove formed in the inner wall of the cross-shaped inner cavity in a sliding way, and one end, deviating from the sliding block, of the same mounting column is connected with the inner wall of the sliding groove through a spring.

Preferably, the lower die and the base thereof are also movably inserted with a U-shaped ejector rod, and a movable cavity which is convenient for the U-shaped ejector rod and the U-shaped pressing rod to move is arranged in the base.

Preferably, the movable cavity is rotationally connected with a bidirectional screw rod, the U-shaped ejector rod is provided with two symmetrically arranged movable channels, one end of the bidirectional screw rod extends to the outer side of the base and is connected with an output shaft of the motor, and the motor is fixed on the left side wall of the base.

Preferably, the outside screw drive of two-way screw rod is connected with two movable blocks that symmetry set up, and the upper and lower both ends of movable block all articulate there is the push-and-pull rod, and the push-and-pull rod top that movable block top was established all articulates with the bottom that the U-shaped supported the depression bar mutually, and the push-and-pull rod that movable block bottom was established all articulates with the inboard diapire of U-shaped ejector rod mutually.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arrangement of the loosening ejection assembly, the bidirectional screw is driven to rotate by the motor, and the action of a plurality of parts is matched, so that the two movable blocks are moved away from each other, the U-shaped pressing rod is moved upwards and the U-shaped ejection rod is moved downwards, so that two inserts sleeved on the outer side of the mounting column can be rapidly positioned by the positioning column, the phenomenon that the forming position is wrong due to easy deviation in the forming stage of the die is avoided, the quality and efficiency of the die inserts are greatly improved, the bidirectional screw is driven to rotate by the motor, the two movable blocks are moved relatively, the U-shaped pressing rod is moved downwards and the U-shaped ejection rod is moved upwards, the two positioning blocks on each mounting column can be moved relatively by the reverse action of the spring, the abutting of the inserts can be cancelled, and simultaneously the U-shaped ejection rod is moved upwards, the workpiece of the formed insert is ejected and demoulded into the lower die, and the unloading efficiency of the formed workpiece is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall planar structure of a mold insert structure according to the present utility model;

FIG. 2 is an enlarged view of the mold insert structure at A according to the present utility model;

fig. 3 is an enlarged view of a mold insert structure according to the present utility model.

In the figure: 1. a base; 2. a column; 21. a top plate; 22. a hydraulic cylinder; 23. a lifting seat; 24. a feed pipe; 25. an upper die; 3. a lower die; 31. a mounting column; 32. an insert; 4. releasing the ejection assembly; 41. a positioning block; 42. a slide block; 43. a spring; 44. a slope a; 45. a U-shaped pressing rod; 46. an inclined plane b; 47. a U-shaped ejector rod; 48. a bidirectional screw; 49. a movable block; 410. a push-pull rod; 411. a movable channel; 412. and a motor.

Detailed Description

In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present utility model easy to understand, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

Example 1

Referring to fig. 1-3, a mold insert structure comprises a base 1, wherein the four columns 2 are fixed on the periphery of the top end of the base 1, a top plate 21 is fixedly connected with the top ends of the four columns 2, a lifting seat 23 which is sleeved outside the four columns 2 in a sliding manner is arranged below the top plate 21, a hydraulic cylinder 22 is fixedly connected with the middle part of the top end of the top plate 21, the telescopic end of the hydraulic cylinder 22 penetrates through the top plate 21 and is connected with the top end of the lifting seat 23, a feeding pipe 24 is fixedly embedded on the lifting seat 23, the feeding pipe 24 is communicated with a bottom mold cavity of an upper mold 25, the upper mold 25 is fixedly connected with the bottom end of the lifting seat 23, a lower mold 3 is fixedly connected with the top end of the base 1, and two symmetrically arranged mounting columns 31 are fixedly connected with the top end of the lower mold 3.

The two mounting columns 31 and the bases 1 and the lower dies 3 of the two mounting columns are provided with a loose ejection assembly 4 for rapidly positioning or loose unloading the two inserts 32, the inserts 32 are movably sleeved on the outer sides of the mounting columns 31, the loose ejection assembly 4 comprises two mounting columns 31 and the bases 1 and the lower dies 3 of the two mounting columns, a U-shaped pressing rod 45 is movably inserted in the U-shaped pressing rod 45, two symmetrically arranged positioning blocks 41 are slidably inserted in the mounting columns 31, one ends of the positioning blocks 41 are tightly abutted against the inner wall of the inserts 32, the other ends of the positioning blocks 41 are movably lapped on the outer sides of the U-shaped pressing rod 45, two positioning blocks 41 on the same mounting column 31 are oppositely provided with inclined planes a44 towards one end, two inclined planes b46 which are symmetrically arranged are respectively arranged at the top ends of two sides of the U-shaped pressing rod 45, the inclined planes b46 are matched with the inclined planes a44 on one side, cross-shaped inner cavities matched with the two positioning blocks 41 and the U-shaped pressing rod 45 are respectively arranged on the mounting columns 31, the top ends of the positioning blocks 41 are fixedly connected with sliding blocks 42 in a sliding manner in the cross-shaped inner cavities, one end of the sliding blocks 42 is slidably connected with the sliding grooves arranged in the cross-shaped inner walls, the sliding grooves arranged in the sliding grooves, the sliding blocks 42 are opposite to the sliding grooves are opposite to the two side of the sliding blocks 31, and the two positioning blocks are in a state of the sliding blocks are opposite to the sliding blocks are pressed against the sliding blocks 42, and can be pressed against the inner walls of the sliding blocks 43 through the sliding blocks and can be opposite to the sliding blocks and can be pressed against the side of the sliding blocks 43, and can be connected with the sliding blocks 32 through the sliding blocks and can be pressed against the sliding blocks and the corresponding side 2.

The lower die 3 and the base 1 thereof are also movably inserted with a U-shaped ejection rod 47, the inside of the base 1 is provided with a movable cavity which is convenient for the U-shaped ejection rod 47 and the U-shaped pressing rod 45 to move, the movable cavity is rotationally connected with a bidirectional screw rod 48, the U-shaped ejection rod 47 is provided with two symmetrically arranged movable channels 411, one end of the bidirectional screw rod 48 extends to the outer side of the base 1 and is connected with an output shaft of a motor 412, the motor 412 is fixed on the left side wall of the base 1, the outer side of the bidirectional screw rod 48 is spirally connected with two symmetrically arranged movable blocks 49, the upper end and the lower end of each movable block 49 are hinged with push-pull rods 410, the top ends of the push-pull rods 410 arranged at the top ends of the movable blocks 49 are hinged with the bottom ends of the U-shaped pressing rods 45, the push-pull rods 410 arranged at the bottom ends of the movable blocks 49 are hinged with the inner bottom wall of the U-shaped ejection rod 47, and the movable channels 411 are convenient for the U-shaped ejection rod 47 to move outside the bidirectional screw rod 48.

Working principle: the process of forming the insert 32 of the mold insert 32 is in the prior art, and is not specifically described, and secondly, when the workpiece of the forming insert 32 on the lower mold 3 needs to be ejected, the motor 412 is started, the bidirectional screw 48 is driven to rotate reversely, so that the two movable blocks 49 relatively move, the U-shaped pressing rod 45 moves downwards and the U-shaped ejection rod 47 moves upwards, the two positioning blocks 41 on each mounting column 31 can relatively move under the reverse action of the spring 43, the abutting of the insert 32 can be cancelled, and meanwhile, the U-shaped ejection rod 47 moves upwards synchronously to jack the workpiece of the forming insert 32 out of the lower mold 3, so that the unloading efficiency of the formed workpiece is greatly improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mould mold insert structure, including base (1), all be fixed with stand (2) around the top of base (1), the top rigid coupling of four stand (2) has roof (21), the below of roof (21) is equipped with the slip cap and establishes lifting seat (23) in four stand (2) outsides, the top middle part rigid coupling of roof (21) has pneumatic cylinder (22), the flexible end of pneumatic cylinder (22) runs through roof (21) and links to each other with the top of lifting seat (23), fixedly inlay on lifting seat (23) is equipped with inlet pipe (24), the bottom die cavity of upper die (25) is gone up in inlet pipe (24) intercommunication, the bottom at lifting seat (23) is gone up die (25) rigid coupling, the top rigid coupling of base (1) has lower die (3), the top rigid coupling of lower die (3) has two erection columns (31) that the symmetry set up, characterized in that, install between two erection column (31) and base (1), lower die (3) are used for carrying out quick location or loose and unloading subassembly (4) of inlay (32), the outside that the equal movable sleeve (31) was located.

2. The mold insert structure according to claim 1, wherein the release ejection assembly (4) comprises two mounting columns (31) and a base (1) thereof, and a same U-shaped pressing rod (45) movably inserted in the lower mold (3), the two symmetrically arranged positioning blocks (41) are slidably inserted in the mounting columns (31), one ends of the positioning blocks (41) are tightly abutted against the inner wall of the insert (32), and the other ends of the positioning blocks are movably overlapped on the outer sides of the U-shaped pressing rods (45).

3. The mold insert structure according to claim 2, wherein two positioning blocks (41) on the same mounting column (31) are provided with inclined planes a (44) at opposite ends, two inclined planes b (46) symmetrically arranged are provided at top ends of two sides of the U-shaped pressing rod (45), the inclined planes b (46) are matched with the inclined planes a (44) at one corresponding side, and cross-shaped inner cavities matched with the two positioning blocks (41) and the U-shaped pressing rod (45) are provided on the mounting column (31).

4. A mold insert structure according to claim 3, wherein the top ends of the positioning blocks (41) are fixedly connected with sliding blocks (42), the sliding blocks (42) are slidably connected in sliding grooves formed in the inner walls of the cross-shaped inner cavities, and one end, facing away from the sliding blocks (42), of the same mounting column (31) is connected with the inner walls of the sliding grooves through springs (43).

5. The mold insert structure according to claim 4, wherein the lower mold (3) and the base (1) thereof are further movably inserted with a U-shaped ejector rod (47), and a movable cavity for facilitating movement of the U-shaped ejector rod (47) and the U-shaped pressing rod (45) is provided in the base (1).

6. The mold insert structure according to claim 5, wherein the movable cavity is rotatably connected with a bidirectional screw rod (48), a movable channel (411) symmetrically arranged with two movable channels is formed on the U-shaped ejector rod (47), one end of the bidirectional screw rod (48) extends to the outer side of the base (1) and is connected with an output shaft of the motor (412), and the motor (412) is fixed on the left side wall of the base (1).

7. The mold insert structure according to claim 6, wherein two symmetrically arranged movable blocks (49) are connected to the outer side screw transmission of the bidirectional screw (48), push-pull rods (410) are hinged to the upper end and the lower end of each movable block (49), the top ends of the push-pull rods (410) arranged at the top ends of the movable blocks (49) are hinged to the bottom ends of the U-shaped supporting rods (45), and the push-pull rods (410) arranged at the bottom ends of the movable blocks (49) are hinged to the inner bottom wall of the U-shaped supporting rods (47).