CN219926821U

CN219926821U - Thimble structure convenient to maintain

Info

Publication number: CN219926821U
Application number: CN202321330045.6U
Authority: CN
Inventors: 张国君; 王浩泽; 于春雷; 励小平; 王安江; 张善坤
Original assignee: Ningbo Shuangsheng Plastic Machinery Co ltd
Current assignee: Ningbo Shuangsheng Plastic Machinery Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-10-31
Anticipated expiration: 2033-05-29

Abstract

The utility model relates to the field of injection molding machines, in particular to a thimble structure convenient to maintain, which comprises a plurality of thimble assemblies, wherein each thimble assembly comprises a fastener, an assembly part and a mandril, the fastener is in threaded connection with one end of the assembly part, and the mandril is detachably connected with the other end of the assembly part. The utility model can effectively utilize the self structural configuration to realize the advantages of the multi-section thimble, convenient replacement of the thimble and difficult breakage of the thimble.

Description

Thimble structure convenient to maintain

Technical Field

The utility model relates to the field of injection molding machines, in particular to a thimble structure convenient to maintain.

Background

As shown in fig. 6, most of the existing ejector pin structures are integrated, and a plurality of ejector pins are directly screwed on a plate body, and it should be understood by those skilled in the art that the plate body can be moved back and forth by a predetermined distance, so as to drive the plurality of ejector pins to move laterally by a predetermined distance, thereby enabling the plurality of ejector pins to eject the product in the mold. But the integral type thimble is because longer, if the dislocation condition appears with the thimble to the mould makes the thimble direct fracture very easily to lead to the user can be comparatively troublesome when taking out cracked thimble, and because threaded connection, and then need the user to rotate the thimble just can take out the thimble, consequently follow-up thimble's change can be comparatively troublesome.

Therefore, the need exists for a multi-section thimble, a thimble structure with a convenient replacement and a convenient maintenance, wherein the thimble is not easy to break.

Disclosure of Invention

The utility model mainly aims to provide a thimble structure convenient to maintain, wherein the thimble structure convenient to maintain can effectively utilize the structure configuration of the thimble structure to realize the advantages of multi-section thimble, convenient replacement of the thimble and difficult breakage of the thimble.

The utility model further aims to provide a thimble structure convenient to maintain, wherein the thimble structure convenient to maintain comprises a plurality of thimble assemblies, each thimble assembly comprises a fastening piece, an assembly part and a mandril, the fastening piece is in threaded connection with one end of the assembly part, the mandril is detachably connected with the other end of the assembly part, the problem that the existing thimble is easy to break due to overlong is solved through the multi-section thimble structure, in addition, the mandril is matched with the assembly part when the mandril is in plug-in connection, and the mandril is fixed through a limiting part, so after a user takes out the limiting part, the user can directly pull out the mandril, the mandril is convenient to replace by the user, and the plug-in type replacement is more convenient compared with the existing threaded connection.

The utility model further aims to provide the thimble structure convenient to maintain, wherein the thimble structure convenient to maintain is simple in structure and convenient to operate, does not relate to complex manufacturing processes and expensive materials, has higher economy, and is easy to popularize and use.

In order to achieve at least one of the above objects, the present utility model provides a convenient-to-maintain thimble structure, wherein the convenient-to-maintain thimble structure comprises:

each thimble assembly comprises a fastening piece, an assembly piece and a mandril, wherein the fastening piece is in threaded connection with one end of the assembly piece, and the mandril is detachably connected with the other end of the assembly piece.

In one or more embodiments of the present utility model, the convenient-to-repair thimble structure further includes a connection plate, the plurality of thimble assemblies are detachably disposed on the connection plate, and the plurality of thimble assemblies are also uniformly disposed on the connection plate.

In one or more embodiments of the present utility model, the connecting plate includes a plurality of first assembly holes uniformly distributed, a plurality of fasteners are in one-to-one correspondence with the plurality of first assembly holes, and the plurality of fasteners are respectively matched with the plurality of first assembly holes.

In one or more embodiments of the present utility model, each of the fastening members includes an insertion end and an abutment end, the insertion end is connected to the abutment end, and the insertion end passes through the corresponding first fitting hole while the abutment end is in contact with one side of the connection plate, and an end of the insertion end facing away from the abutment end is located at the other side of the connection plate and spaced apart a predetermined distance.

In one or more embodiments of the present utility model, a plurality of the fitting members are mated with a plurality of the insertion ends, one end of each of the fitting members has a threaded hole, the plurality of threaded holes are respectively screwed with the plurality of insertion ends, and one end of the plurality of fitting members provided with the threaded holes abuts against one side of the connection plate facing away from the abutting end.

In one or more embodiments of the present utility model, one end of each fitting, which faces away from the connecting plate, is further provided with a second fitting hole, the side wall forming the second fitting hole is further provided with two oppositely arranged notches, both notches are communicated with the outside and the second fitting hole, both notches are further close to the opening of the second fitting hole, and the bottom of the second fitting hole is further communicated with the first fitting hole.

In one or more embodiments of the present utility model, each of the ejector pin assemblies further includes an ejector pin, one end of the ejector pins is respectively connected to the second assembly holes, and each of the ejector pins includes an ejector part and an insertion part, the insertion part is connected to the ejector part, the insertion part is slidably disposed in the second assembly hole, and one end of the insertion part facing away from the ejector part contacts with a bottom wall forming the second assembly hole, while one end of the ejector part facing away from the insertion part is spaced from the assembly part by a predetermined distance.

In one or more embodiments of the present utility model, the insertion portion further has an annular slot, and both the notches further correspond to the annular slot.

In one or more embodiments of the present utility model, each of the ejector pin assemblies further includes a limiting member, one end of the limiting member has a limiting groove with an opening, and one side of the limiting member provided with the limiting groove is slidably passed through one of the notches and placed in the other notch, and a wall surface forming the limiting groove contacts with a wall surface forming the annular clamping groove.

In one or more embodiments of the present utility model, one of the side walls forming the limiting groove is further provided with a bar-shaped bump, one end of the limiting piece, which is away from the limiting groove, is provided with a detaching hole, and the detaching hole is communicated with the limiting groove.

Drawings

These and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the following detailed description of the embodiments of the utility model, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 illustrates a schematic structural view of a convenient-to-maintain thimble structure.

Fig. 2 illustrates a schematic structural view of the connection plate.

FIG. 3 illustrates a first split schematic view of the spike assembly.

FIG. 4 illustrates a second split schematic view of the spike assembly.

Fig. 5 illustrates a schematic structural view of the stopper.

FIG. 6 illustrates a schematic structural view of a conventional thimble.

Description of the embodiments

The terms and words used in the following description and claims are not limited to literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the utility model. It will be apparent to those skilled in the art, therefore, that the following description of the various embodiments of the utility model is provided for illustration only and not for the purpose of limiting the utility model as defined by the appended claims and their equivalents.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Although ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used merely to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component, without departing from the teachings of the inventive concept. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular is intended to include the plural as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, or groups thereof.

Thimble structure convenient for schematic maintenance

Referring to fig. 1 to 5, a convenient-to-maintain thimble structure according to a preferred embodiment of the present utility model is described, wherein the present utility model is applied to a mold assembly of an injection mold, that is, the thimble structure is configured to eject an injection mold in the mold. However, it should be understood by those skilled in the art that the existing ejector pin structure is mostly integrated as shown in fig. 6, and a plurality of ejector pins are directly screwed on a plate body, and those skilled in the art should understand that the plate body can move back and forth a predetermined distance, so as to drive the plurality of ejector pins to move laterally a predetermined distance, so that the plurality of ejector pins can eject the product in the mold. But the integral type thimble is because longer, if the dislocation condition appears with the thimble to the mould makes the thimble direct fracture very easily to lead to the user can be comparatively troublesome when taking out cracked thimble, and because threaded connection, and then need the user to rotate the thimble just can take out the thimble, consequently follow-up thimble's change can be comparatively troublesome. Compared with the existing thimble structure, the thimble structure is convenient to repair and is not easy to break directly due to dislocation. The present utility model will be described in detail below to facilitate understanding of the present utility model.

Specifically, the convenient thimble structure of maintenance includes a connecting plate 10 and a plurality of thimble assemblies 20, and a plurality of thimble assemblies 20 are located by dismantlement on the connecting plate 10, and a plurality of thimble assemblies 20 are still evenly distributed and are located on the connecting plate 10.

The connecting plate 10 includes a plurality of first assembly holes 101 uniformly distributed, each thimble assembly 20 includes a fastener 21, the fasteners 21 are in one-to-one correspondence with the first assembly holes 101, and the fasteners 21 are respectively matched with the first assembly holes 101.

In addition, each of the fasteners 21 includes an insertion end and an abutment end, the insertion end is connected to the abutment end, and the insertion end passes through the corresponding first assembly hole 101, while the abutment end contacts one side of the connection board 10, and an end of the insertion end facing away from the abutment end is located at the other side of the connection board 10 and spaced apart by a predetermined distance.

Further, each thimble assembly 20 further includes a fitting 22, where a plurality of the fittings 22 are matched with a plurality of the insertion ends, specifically, one end of each fitting 22 has a threaded hole 2201, the plurality of threaded holes 2201 are respectively screwed with a plurality of the insertion ends, and one end of the plurality of fittings 22 provided with the threaded holes 2201 abuts against a side of the connection plate 10 facing away from the abutting end. I.e. the position of the fastener 21 and the fitting 22 is defined in that the fastener 21 is screwed with the fitting 22.

It should be noted that, one end of each fitting 22 facing away from the connecting plate 10 further has a second fitting hole 2202, the side wall forming the second fitting hole 2202 further has two oppositely disposed notches 2203, and both the notches 2203 are communicated with the outside and the second fitting hole 2202, both the notches 2203 are further close to the opening of the second fitting hole 2202, and the bottom of the second fitting hole 2202 is further communicated with the first fitting hole 101.

It should be noted that, each ejector pin assembly 20 further includes an ejector pin 23, one end of the plurality of ejector pins 23 is respectively connected to the plurality of second assembly holes 2202, in addition, each ejector pin 23 includes an ejector portion and an insertion portion, the insertion portion is connected to the ejector portion, and the insertion portion is slidably disposed in the second assembly holes 2202, and one end of the insertion portion facing away from the ejector portion contacts with a bottom wall forming the second assembly holes 2202, while one end of the ejector portion facing away from the insertion portion is spaced from the assembly member 22 by a predetermined distance.

It should be noted that the insertion portion further has an annular groove 2301, and both the notches 2203 further correspond to the annular groove 2301.

It should be noted that, the end of the insertion portion facing away from the ejection portion has a chamfer, and those skilled in the art will understand that the chamfer is provided to enable the insertion portion to be attached to the bottom wall forming the second fitting hole 2202, so as to prevent the ejector rod 23 from tilting.

In addition, each of the thimble assemblies 20 further includes a limiting member 24, one end of the limiting member 24 has a limiting slot 2401 with an opening, one side of the limiting member 24 provided with the limiting slot 2401 is slidably disposed through one of the notches 2203 and is disposed in the other notch 2203, and the wall surface forming the limiting slot 2401 contacts with the wall surface forming the annular clamping slot 2301, in other words, two ends of the limiting member 24 are disposed in the two notches 2203, and in addition, the limiting member 24 is connected to the annular clamping slot 2301 in a clamping manner, so as to define the position of the insertion portion. Wherein the ejector is used to eject the injection molded part in the mold.

In addition, one of the side walls forming the limiting groove 2401 further has a bar-shaped protrusion 241, and the bar-shaped protrusion 241 is used to press the wall surface forming the annular groove 2301 when the limiting member 24 is engaged with the annular groove 2301, so that the limiting member 24 cannot easily separate from the annular groove 2301.

It should be noted that, one end of the limiting member 24 facing away from the limiting slot 2401 has a disassembling hole 2402, the disassembling hole 2402 is communicated with the limiting slot 2401, wherein it should be noted that, when the user needs to replace the ejector rod 23, the user may be screwed with the disassembling hole 2402 through an external tool, and pull out the limiting member 24 by means of the external tool, so that the position of the inserting portion is not limited by the limiting member 24, and at this time, the user may directly pull out the ejector rod 23, thereby facilitating the replacement of the user.

In summary, the thimble structure convenient to maintain according to the embodiment of the utility model is illustrated, which provides advantages of multi-section thimble, convenient replacement of the thimble, difficult breakage of the thimble, and the like for the thimble structure convenient to maintain.

It is worth mentioning that in the embodiment of the utility model, the convenient-to-maintain thimble structure has simple structure, does not involve complex manufacturing process and expensive materials, and has higher economy. Meanwhile, for manufacturers, the thimble structure convenient to maintain is easy to produce, low in cost, beneficial to control the production cost and further beneficial to product popularization and use.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from such principles.

Claims

1. The utility model provides a maintain convenient thimble structure, its characterized in that, maintain convenient thimble structure includes:

2. The easy repair thimble structure according to claim 1, wherein said easy repair thimble structure further comprises a connecting plate, said plurality of thimble assemblies being detachably disposed on said connecting plate, and said plurality of thimble assemblies being further uniformly disposed on said connecting plate.

3. The easy maintenance thimble structure according to claim 2, wherein said connecting plate includes a plurality of first mounting holes uniformly distributed therein, a plurality of fasteners are in one-to-one correspondence with a plurality of said first mounting holes, and a plurality of said fasteners are respectively engaged with a plurality of said first mounting holes.

4. The easy maintenance thimble structure according to claim 3, wherein each of said fasteners includes an insertion end and an abutment end, said insertion end being connected to said abutment end and said insertion end passing through a corresponding one of said first mounting holes while said abutment end is in contact with one side of said connecting plate, and an end of said insertion end facing away from said abutment end being located on the other side of said connecting plate and spaced apart a predetermined distance.

5. The easy-to-repair thimble structure according to claim 4, wherein a plurality of said fitting members are mated with a plurality of said insertion ends, each of said fitting members having a threaded hole at one end thereof, said threaded holes being threadably coupled to a plurality of said insertion ends, respectively, and wherein an end of said fitting members having said threaded holes is abutted against a side of said connecting plate facing away from said abutted ends.

6. The easy-to-repair thimble structure according to claim 5, wherein each of said mounting members further has a second mounting hole at an end facing away from said connecting plate, and wherein said second mounting hole has two oppositely disposed notches formed in a side wall thereof, and wherein both of said notches are in communication with the exterior and said second mounting hole, and wherein both of said notches are further adjacent to an opening of said second mounting hole, and wherein a bottom of said second mounting hole is in communication with said first mounting hole.

7. The easy-to-repair ejector pin structure of claim 6, wherein each of the ejector pin assemblies further comprises an ejector pin, one end of each of the plurality of ejector pins is respectively communicated with the plurality of second fitting holes, and each of the ejector pins further comprises an ejector part and an insertion part, the insertion part is connected with the ejector part, the insertion part is slidably disposed in the second fitting hole, one end of the insertion part facing away from the ejector part contacts with a bottom wall forming the second fitting hole, and one end of the ejector part facing away from the insertion part is spaced apart from the fitting by a predetermined distance.

8. The easy maintenance thimble structure according to claim 7, wherein said insert further has an annular slot, and both of said notches further correspond to said annular slot.

9. The easy maintenance thimble structure according to claim 8, wherein each thimble assembly further comprises a stopper, one end of the stopper has a stopper groove with an opening, and one side of the stopper provided with the stopper groove is slidably inserted through one of the notches and placed in the other notch, and a wall surface forming the stopper groove contacts with a wall surface forming the annular clamping groove.

10. The easy-to-repair ejector pin structure of claim 9, wherein one of the side walls forming the limiting groove further comprises a bar-shaped projection, one end of the limiting piece facing away from the limiting groove comprises a detaching hole, and the detaching hole is communicated with the limiting groove.