CN212602892U - Aviation is with advancing gluey mold processing of short circular insulator - Google Patents

Abstract

The utility model relates to an aviation electrical component's production and processing equipment field, specific short circular insulator advance gluey mold processing that says so for aviation. Including lower mould and lock joint last mould on the lower mould, be equipped with the shaping groove that corresponds in groups and advance the glue groove on the die block face of last mould, advance the glue groove including being located a main glue groove of shaping groove one side position that corresponds and two branch glue grooves with the tip intercommunication of main glue groove respectively, main glue groove is convex and main glue groove and branch glue groove's arc all distributes towards the shaping groove direction that corresponds with dividing the glue groove, the middle part in main glue groove links to each other with the gluey hole of advancing of seting up in last mould, the inboard interval of arc that divides the glue groove is equipped with a plurality of mouth shape grooves that are linked together with the shaping groove, mouth shape groove can enclose the injecting glue mouth that is arranged in injecting into the shaping chamber with the glue solution that advances in the glue pipeline with the top die face of lower mould. The utility model discloses can improve the product percent of pass of pouring short circular insulator processing production greatly.

Description

Aviation is with advancing gluey mold processing of short circular insulator

Technical Field

The utility model relates to an aviation electrical component's production and processing equipment field, specific short circular insulator advance gluey mold processing that says so for aviation.

Background

The short round insulators shown in fig. 3 and 4 are intermediate or terminal connection elements commonly used in the avionics sector. The short round insulator is roughly in a step column shape, jacks matched with the plug pin rows in the electrical appliance element are uniformly arranged at intervals along the axial direction in a penetrating mode, and blind holes used for assembling or positioning are formed in the bottom of the short round insulator. Short round insulators are typically manufactured by post-cooling a hot melt material through a die. The preparation mold in the prior art generally comprises an upper mold and a lower mold, a molding cavity corresponding to the shape of the short round insulator is formed after the mold is closed, and hot-melt glue solution is injected into the molding cavity through a glue inlet pipeline arranged inside the mold. In the process of feeding glue from a glue feeding pipeline to a forming cavity, the filling speed of the inside of the forming cavity by glue solution is not uniform, so that the locally filled glue solution is excessive, and the glue solution is in a compressed state to generate fluid stress. After cooling and demolding, the short round insulator is partially protruded and partially contracted under the action of stress, so that the short round insulator is deformed into an oval or irregular round shape, the relative position of the jack or the blind hole in the short round insulator is changed, the short round insulator cannot be well matched with the plug pin array, and the qualified rate of produced products is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aviation is with advancing gluey mold processing of short circular insulator, improves the product percent of pass of pouring short circular insulator processing production greatly.

In order to solve the technical problem, the utility model discloses a technical scheme be: a glue feeding processing mold of a short round insulator for aviation comprises a lower mold and an upper mold buckled on the lower mold, wherein a group of corresponding forming grooves and glue feeding grooves are formed in the bottom mold surface of the upper mold, the forming grooves correspond to the shape of the insulator to be processed and can form a forming cavity for casting processing with the top mold surface of the lower mold, and the glue feeding grooves can form a glue feeding pipeline for injecting glue solution into the corresponding forming cavity with the top mold surface of the lower mold;

advance the glue groove including being located a main glue groove of the shaping groove one side position that corresponds and two branch glue grooves that communicate with the tip in main glue groove respectively, main glue groove with divide the glue groove to be convex and main glue groove and divide the arc of glue groove to all distribute towards the shaping groove direction that corresponds, the middle part in main glue groove with set up advance gluey hole in last mould and link to each other, the arc inboard interval that divides the glue groove is equipped with a plurality of mouths shape groove that are linked together with the shaping groove, mouth shape groove can close with the top die surface of lower mould and enclose the injecting glue mouth that is arranged in will advancing the glue solution injection shaping chamber in the glue pipe way.

Preferably, the nozzle-shaped groove is arranged at a position which is not at the end part of the glue dividing groove and is not directly contrasted with the main glue groove.

Preferably, the bottom die surface of the upper die is provided with two forming grooves and two glue feeding grooves.

Preferably, two main glue grooves of the two glue feeding grooves are symmetrically distributed in an X shape by taking the glue feeding hole as a center.

Preferably, the middle part of the glue separating groove is connected with the end part of the main glue groove, and the circle center of the glue separating groove is superposed with the circle center of the corresponding forming groove.

Advantageous effects

The utility model discloses a glue feeding pipeline on the one hand passes through the main glue groove and two glue dividing grooves, then enters into the molding cavity through a plurality of glue injection nozzles, so that both sides of the molding cavity simultaneously feed glue, and each glue injection nozzle is evenly distributed at intervals, thereby keeping the uniform glue feeding in each position and each direction in the molding cavity, and being beneficial to avoiding the stress phenomenon generated by local enrichment of glue solution in the molding cavity; on the other hand, the utility model provides a glue injection groove and two branch glue grooves are arc, the arc center distributes towards the shaping groove direction, make the glue solution advance gluey pipeline by advancing the gluey hole entering after by the arc glue groove flow of leading, and further reduce the stress action of glue solution in advancing gluey pipeline inside at the flow in-process, avoid its stress action to pass through the leading-in shaping intracavity of injecting glue mouth, thereby further improved the even unanimous degree of advancing gluey in the shaping intracavity, the circumference of the product that forms after the glue solution cooling in the shaping intracavity has been improved greatly, the qualification rate of product has been improved greatly.

Drawings

FIG. 1 is a schematic structural view of a low mold surface of an upper mold of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic perspective view of a short round insulator;

FIG. 4 is a cross-sectional view of a short round insulator;

the labels in the figure are: 1. a glue inlet groove 101, a mouth-shaped groove 102, a glue dividing groove 103, a main glue groove 2, a forming groove 3, a glue inlet hole 4, an upper die 5, an upper forming needle 6, a first lower forming needle 7, a second lower forming needle 8 and a lower die.

Detailed Description

As shown in fig. 2, the utility model discloses a short circular insulator advances gluey mold processing for aviation, including lower mould 8 and the last mould 4 of lock joint on lower mould 8. A set of corresponding forming grooves 2 and glue feeding grooves 1 are arranged on the bottom die surface of the upper die 4 (the glue feeding grooves 1 are shown in detail in fig. 1 and are not shown in fig. 2). The molding groove 2 corresponds to the shape of the insulator to be processed and can enclose a molding cavity for casting processing with the top die surface of the lower die 8. An upper molding needle 5 is provided in the upper mold 4, and first lower molding needles 6 corresponding to the upper molding needles 5 one by one are provided on the lower mold 8. The first lower molding needle 6 is fixed on the bottom die, and the lower end of the upper molding needle 5 is provided with a thread head which is fixedly matched with the first lower molding needle 6. After the upper forming needles 5 and the first lower forming needles 6 are fixedly butted one by one, a columnar mold corresponding to the inner insertion holes of the short round insulator is filled in the forming groove 2. And a second lower forming needle 7 is fixedly arranged at the central position of the forming cavity on the lower die 8, and the lower forming needle is filled in the forming groove 2 to form a columnar forming die corresponding to the blind hole in the short round insulator. And the glue inlet groove 1 is used for enclosing a glue inlet pipeline used for injecting glue liquid into the corresponding forming cavity together with the top die surface of the lower die 8.

As shown in fig. 2, the present embodiment has two forming grooves 2 distributed at intervals and two corresponding glue feeding grooves 1. Any glue feeding groove 1 comprises a main glue groove 103 positioned between the two molding grooves 2 and two glue dividing grooves 102 connected to the end parts of the glue injection grooves. The two main glue grooves 103 are distributed in an X-shaped cross manner, glue injection holes are formed in the positions, located at the corner points of the two main glue grooves 103, of the upper die 4 and penetrate through the thickness direction of the upper die 4, the lower ends of the glue injection holes are connected with the two main glue grooves 103, the upper ends of the glue injection holes are exposed out of the top of the upper die 4, and the glue injection holes are in butt joint with the glue inlet flexible pipes through quick connectors. The main glue groove 103 and the glue dividing groove 102 are both arc-shaped, and the arcs of the main glue groove 103 and the glue dividing groove 102 are distributed towards the corresponding forming grooves 2, so that the glue solution entering the glue inlet pipeline through the glue inlet hole 3 can preliminarily reduce the fluid stress in the glue inlet groove 1 under the guiding action of the arc-shaped grooves. The middle parts of the two glue dividing grooves 102 are connected with the end parts of the main glue groove 103, the circle centers of the glue dividing grooves 102 are superposed with the circle centers of the corresponding forming grooves 2, and two nozzle-shaped grooves 101 connected with the forming grooves 2 are respectively arranged on the inner sides of arcs of the glue dividing grooves 102. The collision of the mouth-shaped groove 101 is the debt of the back money, and the mouth-shaped groove 101 can be enclosed with the top die surface of the lower die 8 to form a glue injection mouth for injecting glue solution in the glue inlet pipeline into the molding cavity. And the spout 101 is disposed at a non-end position of the dispensing slot 102 and does not directly contrast with the main glue slot 103.

After the upper die 4 and the lower die 8 complete die assembly, glue liquid is injected into the glue inlet 3 at the top of the upper die 4, a glue liquid line is shunted to two main glue grooves 103, then is shunted into four cylindrical grooves through the glue dividing groove 102, so that the glue liquid is injected from four directions at uniform intervals, and the stress elimination effect of the arc main glue groove 103 and the glue dividing groove 102 is added, so that the glue inlet in the forming groove 2 is more uniform and stable, the deformation amplitude of a product formed after cooling is small, the positions of jacks and blind holes are relatively stable, and the product percent of pass is greatly improved.

Claims (5)

1. The utility model provides an aviation is with advancing gluey mold processing of short circular insulator, include lower mould (8) and lock joint last mould (4) on lower mould (8), be equipped with shaping groove (2) that correspond in groups and advance gluey groove (1) on the die block face of last mould (4), shaping groove (2) and the shape of waiting to process the insulator are corresponding and can close the shaping chamber that encloses that be used for pouring processing with the top die face of lower mould (8), advance gluey groove (1) can close the gluey pipeline of advancing that encloses to be used for annotating the glue solution in corresponding shaping chamber with the top die face of lower mould (8), its characterized in that:

the glue inlet groove (1) comprises a main glue groove (103) located on one side of the corresponding forming groove (2) and two glue separating grooves (102) communicated with the end portions of the main glue groove (103) respectively, the main glue groove (103) and the glue separating grooves (102) are both arc-shaped, arcs of the main glue groove (103) and the glue separating grooves (102) are distributed towards the corresponding forming groove (2), the middle portion of the main glue groove (103) is connected with a glue inlet hole (3) formed in the upper die (4), a plurality of nozzle-shaped grooves (101) communicated with the forming groove (2) are formed in the inner side of the arc of the glue separating grooves (102) at intervals, and the nozzle-shaped grooves (101) can be combined with the top die surface of the lower die (8) to form glue injection nozzles for injecting glue in a glue inlet pipeline into the forming cavities.

2. The glue feeding processing die for the short round insulators for the aviation as claimed in claim 1, wherein: the mouth-shaped groove (101) is arranged at the non-end position of the glue separating groove (102) and is not directly contrasted with the main glue groove (103).

3. The glue feeding processing die for the short round insulators for the aviation as claimed in claim 1, wherein: two molding grooves (2) and two glue inlet grooves (1) are arranged on the bottom die surface of the upper die (4).

4. The glue feeding processing die for the short round insulators for the aviation as claimed in claim 3, wherein: two main glue grooves (103) in the two glue feeding grooves (1) are symmetrically distributed in an X shape by taking the glue feeding hole (3) as a center.

5. The glue feeding processing die for the short round insulators for the aviation as claimed in claim 1, wherein: the middle part of the glue distributing groove (102) is connected with the end part of the main glue groove (103), and the circle center of the glue distributing groove (102) is superposed with the circle center of the corresponding forming groove (2).

Images