CN108237661B

CN108237661B - Junction box assembly and hot runner system with same

Info

Publication number: CN108237661B
Application number: CN201611207069.7A
Authority: CN
Inventors: 李象烈
Original assignee: Yudo Suzhou Hot Runner Systems Co Ltd
Current assignee: Yudo Suzhou Hot Runner Systems Co Ltd
Priority date: 2016-12-23
Filing date: 2016-12-23
Publication date: 2023-07-04
Anticipated expiration: 2036-12-23
Also published as: CN108237661A

Abstract

The invention discloses a junction box assembly and a hot runner system with the same, wherein the junction box assembly comprises a supporting frame and a junction box, the supporting frame comprises a lower frame and an upper cover, the bottom of the lower frame comprises a first opening, and the top of the upper cover comprises a second opening; the junction box is provided with a connecting port which is communicated with the second opening; the bottom has a plurality of lower edges, and the top has a plurality of upper edges, and lower frame and/or upper cover still include a plurality of lateral walls, and a plurality of lower edges and a plurality of upper edges are connected to a plurality of lateral walls, and the lower frame has first spacing portion and first fixed part, and the upper cover has second spacing portion and second fixed part, and when upper cover and lower frame each other equipment, first spacing portion and second spacing portion are mutually aligned, and first fixed part and second fixed part are mutually fixed. The whole supporting frame is simple and stable in structure, simple and convenient in assembly and disassembly processes, the thinnest design of the supporting frame is realized on the premise of guaranteeing the integral strength of the supporting frame, the whole supporting frame is light in weight, and the manufacturing and transportation costs are low.

Description

Junction box assembly and hot runner system with same

Technical Field

The invention relates to the field of injection molds, in particular to a junction box assembly and a hot runner system with the junction box assembly.

Background

Currently, to improve the integration and controllability of system wires, a junction box assembly is generally used to collect the system wires.

The junction box assembly in the prior art comprises a supporting frame and a junction box arranged above the supporting frame, system wires generally pass through the supporting frame and enter the junction box, the junction box comprises a core insert, and then the conduction of the system wires can be realized through the cooperation of male plug and female plug.

The supporting frame in the prior art is formed by bending an iron plate with a thicker thickness, the supporting frame is larger in size, heavier in whole and heavier in appearance, and the material cost and the transportation cost of the supporting frame are both higher.

Simultaneously, this kind of braced frame has also caused the user mould to open the frame great, and occupation space leads to the user mould to increase, and the cost increases, and the structure complicacy leads to the installation to dismantle troublesome, and is consuming time and consuming.

Disclosure of Invention

The invention aims to provide a junction box assembly and a hot runner system with the same.

To achieve one of the above objects, an embodiment of the present invention provides a junction box assembly, including:

the support frame comprises a lower frame and an upper cover which are matched with each other, the lower frame comprises a bottom, the bottom comprises a first opening, the upper cover comprises a top, the top comprises a second opening, and the first opening and the second opening are communicated with each other;

a junction box which is positioned on one side of the upper cover away from the lower frame and is provided with a connecting port, wherein the connecting port is communicated with the second opening;

the periphery of bottom has a plurality of lower edges that link to each other in proper order, the periphery at top has a plurality of upper edges that link to each other in proper order, the lower frame and/or the upper cover still includes a plurality of lateral walls, a plurality of lateral walls are connected a plurality of lower edges and a plurality of upper edges are in order to form hollow type braced frame, the lower frame has first spacing portion and first fixed part, the upper cover has second spacing portion and second fixed part, works as the upper cover with when the lower frame is assembled each other, first spacing portion with second spacing portion is mutually aligned, first fixed part with second fixed part is mutually fixed.

As a further improvement of an embodiment of the present invention, the peripheral edge of the bottom has a first lower edge, a second lower edge, a third lower edge and a fourth lower edge which are sequentially connected, the peripheral edge of the top has a first upper edge, a second upper edge, a third upper edge and a fourth upper edge which are sequentially connected, the plurality of side walls include a first side wall, a second side wall, a third side wall and a fourth side wall, when the upper cover and the lower frame are separated from each other, the first side wall and the third side wall are respectively fixed to the first lower edge and the third lower edge, the second side wall and the fourth side wall are respectively fixed to the second upper edge and the fourth upper edge, when the upper cover and the lower frame are assembled with each other, a side of the first side wall away from the first lower edge is connected to the first upper edge, a side of the third side wall away from the third lower edge is connected to the third upper edge, a side of the second side wall away from the second upper edge is connected to the fourth side of the fourth upper edge.

As a further improvement of one embodiment of the present invention, the first side wall and the third side wall are formed with a grating.

As a further improvement of an embodiment of the present invention, a first fixing portion is formed on the first side wall and/or the third side wall, and a second fixing portion is correspondingly formed on the first upper edge and/or the third upper edge.

As a further improvement of an embodiment of the present invention, the second lower edge and/or the fourth lower edge is formed with the first limiting portion, the first limiting portion is a groove, and the second side wall and/or the fourth side wall is correspondingly formed with the second limiting portion, and the second limiting portion is a convex column.

As a further improvement of an embodiment of the present invention, the opening direction of the groove is toward the upper cover, and the protrusion protrudes toward the inner side of the upper cover to protrude from the second side wall and/or the fourth side wall, and the groove at least restricts the protrusion from being separated from the groove in the protrusion direction of the protrusion when the upper cover and the lower frame are assembled with each other.

As a further improvement of an embodiment of the present invention, the junction box assembly is used in cooperation with a form, and a support column is formed between the bottom of the lower frame and the form when the junction box assembly and the form are assembled with each other.

As a further improvement of an embodiment of the invention, the support column is a hollow support column, the lower frame and the template are locked by a screw, and the support column is sleeved on the screw.

As a further improvement of an embodiment of the present invention, the junction box assembly further includes a marking board located on the upper cover, and the marking board is disposed corresponding to the second opening.

To achieve one of the above objects, an embodiment of the present invention provides a hot runner system, including the junction box assembly according to any one of the above aspects.

Compared with the prior art, the invention has the beneficial effects that: the forming of the supporting frame is realized by reasonable matching of the lower frame and the upper cover, the whole supporting frame is simple and stable in structure, the assembling and disassembling processes are simple and convenient, the thinnest design of the supporting frame is realized on the premise of ensuring the integral strength of the supporting frame, and the whole supporting frame is light in weight and low in manufacturing and transportation costs.

Drawings

FIG. 1 is a first angular perspective view of a junction box assembly according to one embodiment of the present invention;

FIG. 2 is a second angular perspective view of a junction box assembly according to one embodiment of the present invention;

FIG. 3 is an exploded view of a junction box assembly according to one embodiment of the present invention;

FIG. 4 is a perspective view of a support frame according to an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating alignment of a support frame according to an embodiment of the invention;

FIG. 6 is an exploded view of a support frame according to one embodiment of the present invention;

FIG. 7 is a perspective view of a junction box according to an embodiment of the present invention;

fig. 8 is an exploded view of a junction box according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for convenience of illustration, and thus serve only to illustrate the basic structure of the subject matter of the present application.

In addition, terms such as "upper", "above", "lower", "below", and the like, used herein to denote spatially relative positions are used for convenience of description to describe one element or feature relative to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.

An embodiment of the present invention provides a hot runner system (not shown) that includes a junction box assembly 100 as shown in fig. 1, the junction box assembly 100 being configured to enable the aggregation of system wires.

Referring to fig. 2 and 3, the junction box assembly 100 includes a support frame 10 and a junction box 20.

The supporting frame 20 may be a sheet metal iron frame, but is not limited thereto.

Here, the support frames 20 of different sizes may be designed according to the number and size of the junction boxes 20.

The support frame 10 includes a lower frame 11 and an upper cover 12 that are engaged with each other.

The lower frame 11 includes a bottom 111, and the bottom 111 includes a first opening 1111.

Here, the first opening 1111 is a complete opening, which is large in size, facilitates the passage of system wires through the first opening 1111, and reduces the weight of the lower frame 11.

The upper cover 12 includes a top 121, the top 121 including a second opening 1211.

Here, the upper cover 12 may be formed with a plurality of second openings 1211 distributed side by side, and the number of the second openings 1211 may be matched with the number of the junction boxes 20.

The upper cover 12 can be locked with a marking plate 125 corresponding to the second opening 1211, and the marking plate 125 can realize the group identification of a plurality of junction boxes 20 and prevent the subsequent plugging errors.

The first opening 1111 and the second opening 1211 communicate with each other.

A junction box 20 is located at a side of the upper cover 12 away from the lower frame 11, and the junction box 20 has a connection port 21, the connection port 21 communicating with the second opening 1211.

As such, the system wire may pass through the first opening 1111, the second opening 1211, the connection port 21 in order and enter the junction box 20.

Referring to fig. 4 to 6, the periphery of the bottom 111 has a plurality of lower edges (111 a, 111b, 111c, 111 d) connected in sequence, the periphery of the top 121 has a plurality of upper edges (121 a, 121b, 121c, 121 d) connected in sequence, and the lower frame 11 and/or the upper cover 12 further includes a plurality of side walls (131 a, 131b, 131c, 131 d).

The side walls (131 a, 131b, 131c, 131 d) connect the lower edges (111 a, 111b, 111c, 111 d) and the upper edges (121 a, 121b, 121c, 121 d) to form the hollow support frame 10.

The lower frame 11 has first stopper portions (112 b, 112 d) and first fixing portions (113 a, 113 c), the upper cover 12 has second stopper portions (122 b, 122 d) and second fixing portions (123 a, 123 c), when the upper cover 12 and the lower frame 11 are assembled with each other, the first stopper portions (112 b, 112 d) and the second stopper portions (122 b, 122 d) are aligned with each other, and the first fixing portions (113 a, 113 c) and the second fixing portions (123 a, 123 c) are fixed with each other.

Here, the forming of the supporting frame 10 is realized by reasonable matching of the lower frame 11 and the upper cover 12, the whole supporting frame 10 has simple and stable structure, simple and convenient assembly and disassembly processes, the thinnest design of the supporting frame 10 is realized on the premise of ensuring the integral strength of the supporting frame 10, the weight of the whole supporting frame 10 is lighter, and the manufacturing and transportation costs are lower.

In this embodiment, the junction box assembly 100 may be used in conjunction with a mold plate (not shown) in a hot runner system.

Specifically, the lower frame 11 of the support frame 10 is disposed close to the form, and mounting holes 114 are formed in several lower edges (111 a, 111b, 111c, 111 d) of the lower frame 11, and the lower frame 11 and the form are fixed to each other through the mounting holes 114.

The mounting holes 114 are screw holes, and the lower frame 11 and the form plate can be fixed to each other by the second screws 31.

The mounting holes 114 may be fully distributed on the lower frame 11, so that different mounting holes 114 may be selected according to different templates, or different mounting holes 114 may be selected according to the forms of other components connected to the support frame 10 except the templates, thereby greatly reducing the limitation of the use of the support frame 10.

In addition, when the junction box assembly 100 and the form are assembled with each other, a support column 116 is formed between the bottom 111 of the lower frame 11 and the form.

Here, the support column 116 is a hollow cylindrical support column, and the support column 116 may be sleeved on the second screw 31, but is not limited thereto.

Support column 116 may be, but is not limited to, a steel column.

Through the setting of support column 116, can be with the braced frame 10 bed hedgehopping to reserve certain space and be convenient for install the system electric wire, simultaneously, also can avoid the heat of template to transfer to braced frame 10 excessively, improve the radiating effect of braced frame 10.

In the present embodiment, the periphery of the bottom 111 of the lower frame 11 of the support frame 10 has a first lower edge 111a, a second lower edge 111b, a third lower edge 111c and a fourth lower edge 111d that are sequentially connected, and the periphery of the top 121 of the upper cover 12 has a first upper edge 121a, a second upper edge 121b, a third upper edge 121c and a fourth upper edge 121d that are sequentially connected, and the plurality of side walls includes a first side wall 131a, a second side wall 131b, a third side wall 131c and a fourth side wall 131d.

When the upper cover 12 and the lower frame 11 are separated from each other, the first side wall 131a and the third side wall 131c are fixed to the first lower edge 111a and the third lower edge 111c, respectively, and the second side wall 131b and the fourth side wall 131d are fixed to the second upper edge 121b and the fourth upper edge 121d, respectively.

That is, the longitudinal section of the lower frame 11 is of the "[" type with the lower frame 11 opening upward, while the longitudinal section of the upper cover 12 is also of the "[" type with the upper cover 12 opening downward.

When the upper cover 12 and the lower frame 11 are assembled with each other, a side of the first sidewall 131a away from the first lower edge 111a is connected with the first upper edge 121a, a side of the third sidewall 131c away from the third lower edge 111c is connected with the third upper edge 121c, a side of the second sidewall 131b away from the second upper edge 121b is connected with the second lower edge 111b, and a side of the fourth sidewall 131d away from the fourth upper edge 121d is connected with the fourth lower edge 111 d.

It will be appreciated that when the upper cover 12 and the lower frame 11 are assembled with each other, the four side walls (131 a, 131b, 131c, 131 d) enclose exactly one turn, and the support frame 10 is square box-shaped as a whole.

In the present embodiment, first fixing portions (113 a, 113 c) are formed on the first side wall 131a and/or the third side wall 131c, and second fixing portions (123 a, 123 c) are formed on the first upper edge 121a and/or the third upper edge 121c, respectively.

Here, the side of the first sidewall 131a far from the first lower edge 111a is bent inwards to form a first bent portion 1112a, the side of the third sidewall 131c far from the third lower edge 111c is bent inwards to form a third bent portion 1112c, and the first fixed portions (113 a, 113 c) are formed on the first bent portion 1112a and the third bent portion 1112 c.

Correspondingly, second fixing parts (123 a, 123 c) are formed on the corresponding positions of the first upper edge 121a and the third upper edge 121 c.

The first fixing portions (113 a, 113 c) and the second fixing portions (123 a, 123 c) are screw holes, and when the upper cover 12 and the lower frame 11 are assembled with each other, the first fixing portions (113 a, 113 c) and the second fixing portions (123 a, 123 c) are locked by the first screws 30 to fix the upper cover 12 and the lower frame 11 to each other.

The second lower edge 111b and/or the fourth lower edge 111d are formed with the first stopper portions (112 b, 112 d), the first stopper portions (112 b, 112 d) are grooves, the second side wall 131b and/or the fourth side wall 131d are correspondingly formed with the second stopper portions (122 b, 122 d), and the second stopper portions (122 b, 122 d) are projections.

Here, the second lower edge 111b is bent upward to form a second bent portion 1112b, the fourth lower edge 111d is bent upward to form a fourth bent portion 1112d, and the second bent portion 1112b and the fourth bent portion 1112d are each formed with a first stopper portion (112 b, 112 d).

The first limiting parts (112 b, 112 d) are grooves with opening directions facing the upper cover 12, namely, the opening directions of the grooves are upward.

Correspondingly, the second side wall 131b and the fourth side wall 131d are respectively formed with a second limiting portion (122 b, 122 d), the second limiting portions (122 b, 122 d) are substantially protruding columns protruding toward the inner side of the upper cover 12, and when the upper cover 12 and the lower frame 11 are assembled with each other, the grooves at least limit the protruding columns from the grooves along the protruding direction of the protruding columns.

That is, when the upper cover 12 and the lower frame 11 are assembled with each other, the second sidewall 131b and the fourth sidewall 131d cover the second bending portion 1112b and the fourth bending portion 1112d, and the protruding pillars will not be separated from the grooves in the horizontal direction due to the larger head sizes of the protruding pillars.

In the present embodiment, when the upper cover 12 and the lower frame 11 are assembled with each other, the first stopper portions (112 b, 112 d) and the second stopper portions (122 b, 122 d) are used to position the upper cover 12 and the lower frame 11 with respect to each other, and after the upper cover 12 and the lower frame 11 are aligned with each other, the first fixing portions (113 a, 113 c) and the second fixing portions (123 a, 123 c) are exactly aligned with each other, so that the upper cover 12 and the lower frame 11 can be fixed with each other by the first screw 30.

Here, the upper cover 12 and the lower frame 11 are simply matched, so that a rapid and convenient assembling and disassembling process is realized, and the matching accuracy is high, so that the overall strength of the supporting frame 10 is improved.

The number, layout, and engagement of the first fixing portions (113 a, 113 c), the second fixing portions (123 a, 123 c), the first stopper portions (112 b, 112 d), and the second stopper portions (122 b, 122 d) may be changed according to actual situations, and the present invention is not limited to the above description.

In this embodiment, the first side wall 131a and the third side wall 131c are formed with a grid, so that the ventilation and heat dissipation effects of the support frame 10 can be improved, the inside of the support frame 10 is kept dry, and the system wires in the support frame 10 are prevented from being wetted.

Meanwhile, the grid design can facilitate the user to check the condition of the system wires in the support frame 10, and can reduce the weight of the whole support frame 10.

In this embodiment, referring to fig. 7 and 8, the junction box 20 includes a lower case 22 and a ferrule 23.

The lower case 22 is fixed to the upper cover 12 of the support frame 10.

Here, the lower case 22 may be locked to the upper cover 12 using the third screw 32.

The upper cover 12 is formed with a plurality of rows of fixing holes 124, and different fixing holes 124 can be selected according to the size of the lower case 22, and the locking of the lower case 22 can be achieved by passing third screws 32 through the fixing holes 124.

The ferrule 23 is accommodated in the lower case 22, and the size of the lower case 22 is matched with the size of the ferrule 23 positioned therein, and the ferrule 23 may be a 16-pin ferrule, a 24-pin ferrule, or the like according to the number of pins.

Specifically, the lower case 22 has a receiving portion 222, and a first mounting portion 223 is formed at a periphery of the receiving portion 222.

The ferrule 23 includes a ferrule body 231 and a second mounting portion 232 located at a periphery of the ferrule body 231.

When the ferrule 23 and the lower shell 22 are assembled with each other, the ferrule body 231 is received in the receiving portion 222, and the first mounting portion 223 and the second mounting portion 232 are fixed to each other.

Here, the first mounting portion 223 and the second mounting portion 232 may be fastened to each other by a fourth screw 33.

In this embodiment, the connection port 21 is formed on a side of the ferrule body 231 near the upper cover 12, and the ferrule body 231 and the second opening 1211 are matched with each other.

That is, the second opening 1211 is sized to allow the ferrule 23 to pass therethrough, thereby facilitating installation and fixing of the ferrule 23.

Preferably, the second opening 1211 has a size similar to the outer dimension of the lower end of the ferrule 23, such that the ferrule 23 exactly matches the second opening 1211.

The connection port 21 is substantially an opening communicating with a plurality of pins of the ferrule 23, and after the system wire enters the connection port 21, the plurality of system wires respectively correspond to the plurality of pins, and the system wire and the connection port 21 are mutually fixed by screws (not labeled).

In this embodiment, the junction box assembly 100 further includes an upper housing (not shown) that mates with the lower housing 22.

The upper shell may be a protective cover directly pivotally connected to the lower shell 22, or may be another form separated from the lower shell 22, for example, the upper shell is a plug of a temperature sensing element of a hot runner system, and the plug is inserted into the lower shell 22 to realize the mutual conduction between a system wire in the junction box assembly 100 and the temperature sensing element.

The lower case 22 is further formed with a latch 224, and here, two latches 224 located on the left and right sides of the lower case 22 are exemplified, but the present invention is not limited thereto, and the latches 224 may be in other forms.

When the upper and lower cases 22 are fitted to each other, the other end of the snap 224 is fixed to the upper case by rotating the snap 224, thereby achieving the mutual fixation of the upper and lower cases 22.

The assembly process of the junction box assembly 100 of the present embodiment generally includes the steps of:

summarizing the system wires, and penetrating the system wires out of the templates;

the fixing of the lower frame 11 and the template is realized by using the second screw 31 and the supporting column 116, and the system wire passes through the first opening 1111 of the lower frame 11;

the lower shell 22 and the upper cover 12 are locked with each other, and the upper cover 12 and the lower frame 11 are locked with each other;

locking the sign 225 to the upper cover 12;

passing the system wire through the second opening 1211 of the upper cover 12 and the connection port 21 of the ferrule 23 so that the system wire is connected into the ferrule 23;

locking the ferrule 23 and the lower housing 22 to each other;

the upper and lower shells 22 are fixed to each other.

It should be noted that, there is no defined precedence relationship between the above steps, and the adjustment can be performed according to actual conditions.

In summary, the junction box assembly 100 of the embodiment has attractive appearance, simple and novel structure, compact structure, reliable strength, light weight, convenience and practicality, and is applicable to templates, junction boxes and the like of various models, has strong universality, and the junction box assembly 100 can concentrate system wires to one place, is convenient for identification and management, and can protect the system wires.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A junction box assembly, comprising:

the periphery of the bottom is provided with a plurality of lower edges which are sequentially connected, the periphery of the top is provided with a plurality of upper edges which are sequentially connected, the lower frame and/or the upper cover further comprises a plurality of side walls, the side walls are connected with the lower edges and the upper edges to form a hollow supporting frame, the lower frame is provided with a first limiting part and a first fixing part, the upper cover is provided with a second limiting part and a second fixing part, when the upper cover and the lower frame are mutually assembled, the first limiting part and the second limiting part are mutually aligned, and the first fixing part and the second fixing part are mutually fixed;

the periphery of the bottom is provided with a first lower edge, a second lower edge, a third lower edge and a fourth lower edge which are sequentially connected, the periphery of the top is provided with a first upper edge, a second upper edge, a third upper edge and a fourth upper edge which are sequentially connected, the side, far away from the first lower edge, of the first side wall is mutually connected with the third upper edge, the side, far away from the second upper edge, of the third side wall is mutually fixed with the first lower edge and the third lower edge, the side, far away from the second upper edge, of the second side wall is mutually fixed with the second upper edge and the fourth upper edge, and the side, far away from the first lower edge, of the third side wall is mutually connected with the third upper edge, the side, far away from the second upper edge, of the second side is mutually connected with the second lower edge, and the fourth side, far away from the fourth upper edge is mutually connected with the fourth upper edge;

the first side wall and/or the third side wall are/is provided with a grid, the first side wall and/or the third side wall are/is provided with a first fixing part, the first upper edge and/or the third upper edge are/is correspondingly provided with a second fixing part, the second lower edge and/or the fourth lower edge are/is provided with a first limiting part, the first limiting part is a groove, the second side wall and/or the fourth side wall are/is correspondingly provided with a second limiting part, the second limiting part is a convex column, the opening direction of the groove faces the upper cover, the convex column protrudes out of the second side wall and/or the fourth side wall towards the inner side of the upper cover, and when the upper cover and the lower frame are mutually assembled, the groove at least limits the convex column to be separated from the groove along the protruding direction of the convex column.

2. The junction box assembly of claim 1 wherein said junction box assembly is used in conjunction with a form, and wherein support posts are formed between said bottom of said lower frame and said form when said junction box assembly and said form are assembled to one another.

3. The junction box assembly according to claim 2, wherein the support column is a hollow support column, the lower frame and the template are locked by a screw, and the support column is sleeved on the screw.

4. The terminal block assembly of claim 1, further comprising a sign on the upper cover, the sign being disposed in correspondence with the second opening.

5. A hot runner system comprising the junction box assembly of any of claims 1-4.