CN219055228U

CN219055228U - Primary ejection auxiliary blowing mechanism for injection mold

Info

Publication number: CN219055228U
Application number: CN202223370224.0U
Authority: CN
Inventors: 徐永明; 徐海永
Original assignee: Taizhou Lifeng Technology Co ltd
Current assignee: Taizhou Lifeng Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-23
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a primary ejection auxiliary blowing mechanism for an injection mold, which is provided with a lower mold frame convenient to assemble and use; comprising the following steps: the limiting screw penetrates through the inner surface of the lower die frame, the upper surface of the limiting screw is connected with a die core, the outer surface of the die core is connected with the lower die frame in a clamping manner, and meanwhile, the inner surface of the die core is assembled with a first built-in part in a limiting manner; the ejector rod is connected to the inner surface of the lower die frame in a nested mode, and an ejector piece is connected to the upper end of the outer surface of the ejector rod in a nested mode. Be provided with the lower die carrier of being convenient for equipment, the mold core that the equidistance was set up is assembled to the internal surface at lower die carrier to use the spacing screw to fix a position the mold core, appear droing when preventing to use, improve the stability of device, carry out the production work piece when being convenient for later stage injection molding, and cooperate built-in one, synchronous production work piece, and the built-in one of nested equipment can effectually improve injection mold production work piece's stability.

Description

Primary ejection auxiliary blowing mechanism for injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a one-time ejection auxiliary blowing mechanism for an injection mold.

Background

When the injection mold is used, the workpiece is produced through the upper and lower molds and the loaded mold cores, and the workpiece is ejected by matching with the ejection structure, but the existing injection mold has some defects in working.

In the prior art, the grant publication (bulletin) number: the utility model discloses an injection mold ejection mechanism in CN213006358U, which is arranged on an injection mold and comprises a connecting plate, a large inclined top, a small inclined top, a back ejector rod and a nitrogen spring. Wherein, the connecting plate is located first recess, and the thickness of connecting plate is less than the degree of depth of first recess. The upper end of the large inclined roof is fixed at one end of the connecting plate, and the large inclined roof penetrates through the cavity core. The upper end of the small inclined roof is fixed at the other end of the connecting plate, and the small inclined roof penetrates through the cavity core. The upper end of the rollback ejector rod is fixed in the middle of the connecting plate, and the rollback ejector rod penetrates through the die cavity core. The upper end of the nitrogen spring is fixed in the second groove, and the lower end of the nitrogen spring is propped against the upper end of the large inclined top. Compared with the prior art, the connecting plate is arranged in the cavity plate, a cavity top plate is not required to be additionally arranged between the cavity plate and the hot runner plate, the overall thickness of the injection mold is reduced, the overall weight is reduced, and the manufacturing cost is saved;

in the working process of the device, the nitrogen spring stretches to push the large inclined top downwards, so that the whole ejection mechanism is driven to move downwards. The large inclined roof and the small inclined roof downwards roof the plastic part, so that the manufactured plastic part falls off from the cavity core, but when the plastic part is used, the plastic part is provided with a workpiece with a certain clamping position, the use of the ejection structure easily causes time waste and damage to the bottom of the workpiece.

Disclosure of Invention

The utility model aims to provide a one-time ejection auxiliary blowing mechanism for an injection mold, which aims to solve the problems that in the prior art, a workpiece with a certain clamping position is proposed during use, the use of an ejection structure is easy to cause time waste and damage to the bottom of the workpiece.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the injection mold is provided with a lower mold frame which is convenient to assemble and use by using a primary ejection auxiliary blowing mechanism;

comprising the following steps: the limiting screw penetrates through the inner surface of the lower die frame, the upper surface of the limiting screw is connected with a die core, the outer surface of the die core is connected with the lower die frame in a clamping manner, and meanwhile, the inner surface of the die core is assembled with a first built-in part in a limiting manner;

the ejector rod is connected to the inner surface of the lower die frame in a nested mode, an ejector piece is connected to the upper end of the outer surface of the ejector rod in a nested mode, and the ejector piece is connected to the inner surface of the lower die frame in a limiting mode.

Through the structure, stable connection assembly is carried out when the structure is used, falling off is prevented, and a workpiece can be effectively ejected.

Preferably, the mold core and the lower mold frame form a threaded limiting structure through a limiting screw, the limiting screw is arranged at equal angles relative to the middle end of the outer surface of the mold core, and the mold core and the inner surface of the lower mold frame form a clamping structure.

Through the structure, stable nesting assembly is carried out when the device is used, and synchronous rotation is reduced while falling off of the device is prevented.

Preferably, the first built-in part and the mold core form a built-in nested structure, the mold cores are equidistantly arranged relative to the middle end of the inner surface of the lower mold frame, and the lower mold frame and the ejector rod form the built-in nested structure.

Through the structure, stable nested assembly is carried out when the structure is used, and production of different groups can be formed.

Preferably, the ejector rod and the ejector member form a built-in penetrating structure, the ejector member and the lower die frame form a limiting moving structure, and the inner surface of the ejector member is provided with a clamping groove.

Through the structure, stable penetrating connection is formed during use, and stable nested assembly is performed.

Preferably, the inner surface of the ejection piece is connected with a second built-in piece in a nested manner, the inner surface of the lower die frame is provided with an air blowing mechanism pipeline, and the outer surface of the air blowing mechanism pipeline is provided with an air bin.

Through the structure, the device is arranged in a stable manner when in use, and effective blowing is formed to separate the parts from the clamping.

Preferably, the second built-in part is arranged at equal distance relative to the inner side of the outer surface of the ejection part, and the inner surface of the lower die frame, the lower end of the lower surface of the ejection part and the side end of the outer surface of the die core form an air chamber.

Through above-mentioned structure, blow the setting when using, reduce the damage to the part to and reduce work piece ejection of compact time.

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

1. the injection mold is provided with a lower mold frame convenient to assemble, mold cores are assembled on the inner surface of the lower mold frame at equal intervals, and are positioned by using limit screws, so that falling off is prevented during use, the stability of the injection mold is improved, workpieces are conveniently produced during later injection molding, the first built-in part is matched for synchronously producing the workpieces, and the first built-in part which is assembled in a nested manner can effectively improve the stability of the workpieces produced by the injection mold;

2. this injection mold is with ejecting supplementary mechanism of blowing once is provided with the ejector pin that is convenient for carry out ejection use, carries out the nest in the inboard of ejecting, and the built-in spare second of being convenient for drive equipment carries out synchronous movement, carries out ejection use to the work piece, and after ejecting, through the mechanism pipeline of blowing that lower die carrier set up, can effectually control gas through the gas storehouse that forms between ejecting built-in spare second and the lower die carrier, blows off the work piece of block on the draw-in groove, prevents to cause the damage to the work piece.

Drawings

FIG. 1 is a schematic diagram of a lower die carrier in a three-dimensional structure according to the present utility model;

FIG. 2 is a schematic diagram of a semi-sectional perspective structure of a lower mold frame of the present utility model;

FIG. 3 is a schematic view of a semi-sectional perspective structure of a carrier rod according to the present utility model;

FIG. 4 is a schematic view of a semi-sectional perspective structure of a duct of the blowing mechanism of the present utility model;

fig. 5 is a schematic view of an exploded perspective structure of the present utility model.

In the figure: 1. a lower die frame; 2. a limit screw; 3. a mold core; 4. an inner part I; 5. a push rod; 6. an ejector; 7. a clamping groove; 8. a second built-in part; 9. a blowing mechanism pipe; 10. and (5) an air bin.

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. 1-5, the present utility model provides the following technical solutions: the injection mold is provided with a primary ejection auxiliary blowing mechanism and a lower mold frame 1 which is convenient to assemble and use;

comprising the following steps: the limiting screw 2 penetrates through the inner surface of the lower die frame 1, the upper surface of the limiting screw 2 is connected with the die core 3, the outer surface of the die core 3 is clamped and connected with the lower die frame 1, and meanwhile, the inner surface limiting component I4 of the die core 3 is assembled;

the ejector rod 5 is connected to the inner surface of the lower die frame 1 in a nested manner, the upper end of the outer surface of the ejector rod 5 is connected with the ejector piece 6 in a nested manner, and the ejector piece 6 is connected to the inner surface of the lower die frame 1 in a limiting manner.

The mold core 3 and the lower mold frame 1 form a thread limiting structure through the limiting screw 2, the limiting screw 2 is arranged at equal angles relative to the middle end of the outer surface of the mold core 3, and the mold core 3 and the inner surface of the lower mold frame 1 form a clamping structure.

The first built-in part 4 and the mold core 3 form a built-in nested structure, the mold cores 3 are equidistantly arranged relative to the middle end of the inner surface of the lower mold frame 1, and the lower mold frame 1 and the ejector rod 5 form a built-in nested structure.

The ejector rod 5 and the ejector 6 form a built-in penetrating structure, the ejector 6 and the lower die frame 1 form a limiting moving structure, and the inner surface of the ejector 6 is provided with a clamping groove 7.

The inner surface of the ejection piece 6 is connected with a built-in piece II 8 in a nested manner, the inner surface of the lower die carrier 1 is provided with a blowing mechanism pipeline 9, and the outer surface of the blowing mechanism pipeline 9 is provided with a gas bin 10.

The second built-in part 8 is equidistantly arranged on the inner side of the outer surface of the ejection part 6, and the inner surface of the lower die frame 1, the lower end of the lower surface of the ejection part 6 and the side end of the outer surface of the die core 3 form a gas bin 10.

When the die core is used, the die core 3 of the first embedded part 4 is formed into an effective nest through the limit screw 2 assembled on the inner surface of the lower die frame 1, the ejection part 6 and the second embedded part 8 are matched to be assembled in a nested mode, an effective integral die core is formed, a workpiece can be produced, after the injection molding of the workpiece is completed, the ejection part 6 is pushed by the ejector rod 5, the workpiece can be separated from the die core 3, the first embedded part 4 assembled by the die core 3, and the air blowing mechanism pipeline 9 matched to be used for air intake, air blowing is carried out inside the air bin 10 formed between the inner surface of the lower die frame 1 and the lower end of the lower surface of the ejection part 6 and the side end of the outer surface of the die core 3, and the clamping groove 7 is also blown off on the clamped workpiece, so that the time can be effectively saved, the workpiece shape is not easy to deform, the material cost and the processing cost are saved, and the assembly time and the die matching time of the die are saved.

What is not described in detail in this specification is prior art known to those skilled in the art.

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 injection mold is provided with a primary ejection auxiliary blowing mechanism and a lower mold frame (1) which is convenient to assemble and use;

characterized by comprising the following steps:

the limiting screw (2) penetrates through the inner surface of the lower die frame (1), the upper surface of the limiting screw (2) is connected with the die core (3), the outer surface of the die core (3) is connected with the lower die frame (1) in a clamping manner, and meanwhile, the first built-in part (4) is arranged on the limiting group of the inner surface of the die core (3);

the ejector rod (5) is connected to the inner surface of the lower die frame (1) in a nested mode, an ejector piece (6) is connected to the upper end of the outer surface of the ejector rod (5) in a nested mode, and the ejector piece (6) is connected to the inner surface of the lower die frame (1) in a limiting mode.

2. The one-time ejection auxiliary blowing mechanism for an injection mold according to claim 1, wherein: the mold core (3) and the lower mold frame (1) form a thread limiting structure through a limiting screw (2), the limiting screw (2) is arranged at equal angles relative to the middle end of the outer surface of the mold core (3), and the mold core (3) and the inner surface of the lower mold frame (1) form a clamping structure.

3. The one-time ejection auxiliary blowing mechanism for an injection mold according to claim 1, wherein: the first built-in part (4) and the mold core (3) form a built-in nested structure, the mold cores (3) are equidistantly arranged relative to the middle end of the inner surface of the lower mold frame (1), and the lower mold frame (1) and the ejector rod (5) form a built-in nested structure.

4. The one-time ejection auxiliary blowing mechanism for an injection mold according to claim 1, wherein: the ejector rod (5) and the ejector piece (6) form a built-in penetrating structure, the ejector piece (6) and the lower die frame (1) form a limiting moving structure, and the inner surface of the ejector piece (6) is provided with a clamping groove (7).

5. The one-time ejection auxiliary blowing mechanism for an injection mold according to claim 1, wherein: the inner surface of the ejection piece (6) is connected with a built-in piece II (8) in a nested manner, an air blowing mechanism pipeline (9) is arranged on the inner surface of the lower die frame (1), and an air bin (10) is arranged on the outer surface of the air blowing mechanism pipeline (9).

6. The one-shot ejection auxiliary blowing mechanism for an injection mold according to claim 5, wherein: the second built-in part (8) is equidistantly arranged on the inner side of the outer surface of the ejection part (6), and an air bin (10) is formed by the inner surface of the lower die frame (1), the lower end of the lower surface of the ejection part (6) and the edge end of the outer surface of the die core (3).