CN218196707U - Expansion glue leakage prevention plug structure - Google Patents

Abstract

The utility model discloses an inflation leak protection glues plug structure, including end cap screw, runner plate and side end cap, plug hole and end cap screw hole have been seted up to the inside position of runner plate, the end cap hole is located inboard and end cap screw hole and is located the outside position, the inboard in plug hole is provided with the side end cap, the inboard in end cap screw hole is provided with the end cap screw, the position that connects the plug hole on the runner plate is provided with subchannel and sprue, the position of connecting subchannel, sprue on the side end cap has seted up the runner hole, and this structure reduces the hourglass and glues, reduces the maintenance cost. An inflation leak protection glue end cap structure, novel end cap runner direct processing accomplishes and does not need secondary operation at the installation, the runner butt joint is accurate, interference fit reduces the hourglass and glues the risk, the end cap afterbody is fluted and end cap screw boss cooperation, makes the expansion of end cap afterbody realize the secondary seal.

Description

Expansion glue leakage prevention plug structure

Technical Field

The utility model relates to a hot runner technical field, in particular to plug structure is glued in inflation leak protection.

Background

The expansion glue leakage prevention plug structure is a supporting structure for positioning the plug of the flow channel, the flow distribution plate is an important component in a hot runner system, the flow distribution plate is mainly used for distributing molten resin materials injected from an injection molding machine into each glue inlet position of a mold, the flow distribution plate mainly comprises a flow distribution flow channel and plugs assembled on a flow distribution plate body, the plugs can plug different flow channels to move towards the opening of the flow distribution flow channel of the flow distribution plate processed by a gun drill, and along with the continuous development of science and technology, the requirements of people on the manufacturing process of the expansion glue leakage prevention plug structure are higher and higher.

The plug structure is glued in current inflation leak protection has certain drawback when using, at first, current flow distribution plate plug can appear hiding gluey in the use, overflow gluey, phenomena such as end cap expansion, be unfavorable for people's use, in addition, moulding plastics to the light color product, end cap junction hides gluey can lead to product heterochrosis product bad, end cap overflow glues, expansion can lead to hot runner system large tracts of land rubber coating, maintenance work volume is great, part subassembly damages also has increased cost of maintenance in the maintenance, certain adverse effect has been brought for people's use, for this reason, we provide an inflation leak protection and glue plug structure.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides an end cap structure is glued in inflation leak protection, novel end cap runner direct processing accomplishes and does not need secondary operation at the installation, and the runner butt joint is accurate, and interference fit reduces the hourglass and glues the risk, and the end cap afterbody is fluted and end cap screw boss cooperation, makes the inflation of end cap afterbody realize secondary seal, can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an inflation leak protection glue end cap structure, includes end cap screw, runner plate and side end cap, end cap hole and end cap screw hole have been seted up to the inside position of runner plate, the end cap hole is located inboard and end cap screw hole and is located the outside position, the inboard in end cap hole is provided with the side end cap, the inboard in end cap screw hole is provided with the end cap screw, the position of connecting the end cap hole on the runner plate is provided with subchannel and sprue, the position of connecting subchannel, sprue on the side end cap has seted up the runner hole.

Preferably, a groove is formed in the end portion of the tail end of the side plug, an inner hexagonal hole is formed in the plug screw, a boss is installed at the front end of the plug screw, outer threads are formed in the outer wall of the plug screw, inner threads are formed in the plug screw hole, and a stress groove is formed in the side plug.

Preferably, the inboard rigidity in end cap screw hole has sealed heat-resisting pad, the tail end rigidity of side end cap has sealed the pad, the inboard rigidity in end cap hole has wear-resisting sealing material, the outer wall rigidity of boss has hot melt pad.

Preferably, the runner plate is integrally formed with the plug screw hole, the plug hole, the sub-runner and the main runner, the side plug is positioned in the plug hole, the side plug is in butt interference fit with the plug hole, and the plug screw is positioned in the plug screw hole.

Preferably, the front end of the plug screw is matched with the rear end of the side plug through a boss and a groove, the edge of the front end of the plug screw is expanded and positioned, and the plug screw is positioned through an outer screw thread, an inner screw thread and an inner screw thread of a plug screw hole.

Preferably, through hot melt integrated into one piece between end cap screw hole and the sealed heat-resistant pad, hot melt integrated into one piece between end cap hole and the wear-resisting sealing material, integrated into one piece between side end cap and the sealed pad.

(III) advantageous effects

Compared with the prior art, the utility model provides an inflation leak protection is glued plug structure possesses following beneficial effect: this expansion leak protection glue end cap structure, novel end cap runner direct processing accomplishes and does not need the secondary operation at the installation, the runner docks accurately, interference fit reduces the risk of leaking glue, the end cap afterbody is fluted and end cap screw boss cooperation, make the expansion of end cap afterbody realize secondary seal, the end cap screw adopts SCM435 alloy steel material preparation, its minimum tensile strength reaches 1220Mpa, hardness reaches 39 to 44HRC's super high strength screw, the closure power is better, this structure reduces to leak to glue, reduce the maintenance cost, whole expansion leak protection glue end cap structure simple structure, high durability and convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of the plug structure for preventing leakage by expansion.

Fig. 2 is the schematic structural diagram of the runner plate in the expansion leak-proof plug structure of the utility model.

Fig. 3 is a schematic structural view of a side plug in the expansion leak-proof rubber plug structure of the present invention.

Fig. 4 is a schematic view of a plug screw in the plug structure for preventing leakage due to expansion of the present invention.

Fig. 5 is the utility model relates to a structural schematic diagram of the inboard location side end cap of runner plate in the end cap structure is glued in inflation leak protection.

In the figure: 1. a plug screw; 2. an inner hexagonal hole; 3. external thread; 4. a boss; 5. a side plug; 6. a stress slot; 7. a flow passage hole; 8. a groove; 9. a runner plate; 10. a plug screw hole; 11. a plug hole; 12. internal threads; 13. a shunt channel; 14. a main flow channel; 15. a hot melt pad; 16. sealing the heat-resistant pad; 17. a gasket; 18. wear-resistant sealing material.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-4, an expansion glue leakage prevention plug structure comprises a plug screw 1, a flow channel plate 9 and a side plug 5, wherein a plug hole 11 and a plug screw hole 10 are formed in the inner position of the flow channel plate 9, the plug hole 11 is located in the inner side, the plug screw hole 10 is located in the outer side position, the side plug 5 is arranged in the inner side of the plug hole 11, the plug screw 1 is arranged in the inner side of the plug screw hole 10, a branch channel 13 and a main channel 14 are arranged in the position, connected with the plug hole 11, of the flow channel plate 9, and a flow channel hole 7 is formed in the position, connected with the branch channel 13 and the main channel 14, of the side plug 5.

Further, a groove 8 is formed in the end portion of the tail end of the side plug 5, an inner hexagonal hole 2 is formed in the plug screw 1, a boss 4 is installed at the front end of the plug screw 1, outer threads 3 are formed in the outer wall of the plug screw 1, and inner threads 12 are formed in the plug screw hole 10.

Further, the runner plate 9, the plug screw hole 10, the plug hole 11, the sub-runner 13 and the main runner 14 are integrally formed, the side plug 5 is located in the plug hole 11, the side plug 5 and the plug hole 11 are in butt interference fit, the plug screw 1 is located in the plug screw hole 10, and the stress groove 6 is formed in the side plug 5.

Furthermore, the front end of the plug screw 1 is matched with the rear end of the side plug 5 through the boss 4 and the groove 8, the edge of the plug screw is expanded and positioned, and the plug screw 1 is spirally positioned through the outer threads 3, the inner threads 12 and the inner part of the plug screw hole 10.

Example two:

on the basis of the first embodiment, as shown in fig. 1 to 5, an expansion glue leakage prevention plug structure includes a plug screw 1, a flow channel plate 9 and a side plug 5, a plug hole 11 and a plug screw hole 10 are provided at an inner position of the flow channel plate 9, the plug hole 11 is located at an inner side, the plug screw hole 10 is located at an outer side position, the side plug 5 is provided at an inner side of the plug hole 11, the plug screw 1 is provided at an inner side of the plug screw hole 10, a branch flow channel 13 and a main flow channel 14 are provided at a position of the flow channel plate 9, which is connected with the plug hole 11, and a flow channel hole 7 is provided at a position of the side plug 5, which is connected with the branch flow channel 13 and the main flow channel 14.

Further, a sealing heat-resistant pad 16 is fixed at the inner side position of the plug screw hole 10, a sealing gasket 17 is fixed at the tail end position of the side plug 5, a wear-resistant sealing material 18 is fixed at the inner side position of the plug hole 11, and a hot-melting pad 15 is fixed at the outer wall position of the boss 4.

Further, the plug screw hole 10 and the sealing heat-resistant pad 16 are integrally formed through hot melting, the plug hole 11 and the wear-resistant sealing material 18 are integrally formed through hot melting, and the side plug 5 and the sealing pad 17 are integrally formed.

The working principle is as follows: the utility model discloses an end cap screw 1, interior hexagonal hole 2, outer screw thread 3, boss 4, side end cap 5, stress cell 6, runner hole 7, recess 8, flow path board 9, end cap screw hole 10, end cap hole 11, interior screw thread 12, subchannel 13, sprue 14, hot melt pad 15, sealed heat-resistant pad 16, sealed pad 17, wear-resisting sealing material 18, when using, flow path board 9 includes the flow path board body among this application end cap structure and flow path board assembly method hot runner system, the inside runner that is formed with of flow path board body, 5 assembly of side end cap is on the flow path board body and the port of sealing processing, 5 front ends of side end cap adopt interference fit with flow path mouth and 5 terminal and runner processing port butt joints of side end cap, 5 tail ends of side end cap have a recess 8, 1 front end of end cap screw is protruding type spherical structure and matches with end cap afterbody recess 8, end cap recess 8 and the protruding type spherical surface fit of screw 1, the expansion of end cap recess 8 edge in the assembly, realize the secondary shutoff, side end cap 5 can more effectively prevent when being applied to the flow path board on the corner region department from reducing and heat the runner and produce the clearance fit when the end cap and heat-hiding the end cap and glue-filling up the end cap 9.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides an inflation leak protection is glued end cap structure, includes end cap screw (1), runner plate (9) and side end cap (5), its characterized in that: the utility model discloses a flow channel, including flow channel plate (9), stifled hole (11) and end cap screw hole (10) have been seted up to the inside position of flow channel plate (9), end cap hole (11) are located inboard and end cap screw hole (10) and are located the outside position, the inboard of end cap hole (11) is provided with side end cap (5), the inboard of end cap screw hole (10) is provided with end cap screw (1), the position of connecting end cap hole (11) on flow channel plate (9) is provided with subchannel (13) and sprue (14), runner hole (7) have been seted up to the position of connecting subchannel (13), sprue (14) on side end cap (5).

2. The expansion leakage-proof plug structure of claim 1, wherein: the novel side plug structure is characterized in that a groove (8) is formed in the end portion of the tail end of the side plug (5), an inner hexagonal hole (2) is formed in the inner portion of the plug screw (1), a boss (4) is installed at the front end of the plug screw (1), outer threads (3) are formed in the outer wall of the plug screw (1), inner threads (12) are formed in the plug screw hole (10), and a stress groove (6) is formed in the side plug (5).

3. The expansion leakage-proof plug structure of claim 2, wherein: the inboard rigidity of end cap screw hole (10) has sealed heat-resisting pad (16), the tail end rigidity of side end cap (5) has sealed pad (17), the inboard rigidity of end cap hole (11) has wear-resisting sealing material (18), the outer wall rigidity of boss (4) has hot melt pad (15).

4. The expansion leakage-proof plug structure of claim 1, wherein: the flow channel plate (9) is integrally formed with a plug screw hole (10), a plug hole (11), a sub-flow channel (13) and a main flow channel (14), the side plug (5) is located in the inner position of the plug hole (11), the side plug (5) is in butt-joint interference fit with the plug hole (11), and the plug screw (1) is located in the inner position of the plug screw hole (10).

5. The expansion leakage-proof plug structure of claim 2, wherein: the front end of the plug screw (1) is matched with the rear end of the side plug (5) through the boss (4) and the groove (8), the edge of the front end of the plug screw is expanded and positioned, and the plug screw (1) is spirally positioned in the plug screw hole (10) through the outer threads (3) and the inner threads (12).

6. The expansion leakage-proof plug structure of claim 3, wherein: through hot melt integrated into one piece between end cap screw hole (10) and sealed heat-resistant pad (16), hot melt integrated into one piece between end cap hole (11) and wear-resisting sealing material (18), integrated into one piece between side end cap (5) and sealed pad (17).

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