Forming die for end button and nut applied to electric energy meter and acquisition terminal

Abstract

The utility model discloses a forming die applied to a terminal button and a nut of an electric energy meter and an acquisition terminal, which comprises a lower die, an upper die and a positioning piece, the positioning piece is arranged on the lower die, the upper die and the lower die are buckled to form an injection molding cavity, the positioning piece extends into the injection molding cavity and is used for positioning the nut, and the upper die is provided with an injection molding channel communicated with the injection molding cavity. When the injection mold is used, the nut is sleeved on the positioning piece, then the upper mold is buckled on the lower mold, injection molding liquid is injected through the injection molding channel, and the injection molding liquid enters the injection molding cavity and is subjected to injection molding together with the nut. By adopting the design mode, on one hand, the nut and the end button are subjected to injection molding together through one device, the device and working procedures are simplified, and the production cost is reduced; on the other hand, the nut and the end button are subjected to injection molding together, so that the nut and the end button are contacted more tightly, and the insertion and extraction force is improved; and on the other hand, the problem that the nut is inclined due to movement or manual errors and the like during welding can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially the forming die of end button and nut for electric energy meter and collection terminal. BACKGROUND

[0002] The nut for connecting with other structural members is usually needed to be installed on the end button in the collection terminal, in the prior art, the end button is produced by the injection molding machine first, then the end button is put into the tooling of hot melting machine, the nut is heated by the hot melting machine, and finally the nut is welded into the end button, the prior art has the following problems: 1. two equipments and two processes are needed to produce the end button and weld the nut on the end button, resulting in high production cost; 2. the nut is welded on the end button, and the gap between the nut and the end button is prone to occur, and the plug-in force cannot meet the requirement; 3. the nut is prone to be inclined in the welding process. SUMMARY

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a kind of forming die of end button and nut for electric energy meter and collection terminal, to solve the installation cost of existing end button and nut is higher, and the problems such as the pulling force cannot meet the requirement and nut is inclined.

[0004] The utility model discloses a kind of forming die of end button and nut for electric energy meter and collection terminal, including lower mould, upper mould and positioning piece, the positioning piece is located on the lower mould, the upper mould is engaged with the lower mould and forms injection cavity, the positioning piece extends into the injection cavity, for positioning nut, the upper mould is equipped with the injection channel that is communicated in the injection cavity.

[0005] As an optional implementation, in the utility model embodiment, the upper surface of the lower mould is in the form of a boss, the lower surface of the upper mould is in the form of a groove, and after the upper mould is engaged with the lower mould, the boss of the lower mould is located in the groove of the upper mould, so that the injection cavity is formed between the lower surface of the upper mould and the upper surface of the lower mould.

[0006] As an optional implementation, in the utility model embodiment, the forming die of end button and nut for electric energy meter and collection terminal further includes a first forming block, a second forming block, a third forming block and a fourth forming block located in the groove of the upper mould, the first forming block and the second forming block are respectively located on both sides of the boss of the lower mould, the third forming block is pressed on the first forming block, and the fourth forming block is pressed on the positioning piece. The upper surface of the lower mould, the lower surface of the upper mould, the first forming block, the second forming block, the third forming block and the fourth forming block jointly form the injection cavity.

[0007] As an optional implementation, in the embodiment of the utility model, the upper surface of the lower mould is equipped with the first positioning groove which is suitable for the bottom of the first forming block, the bottom of the first forming block is placed in the first positioning groove to position the first forming block.

[0008] As an optional implementation, in the embodiment of the utility model, the first forming block is equipped with one of the second positioning block and the second positioning groove, the third forming block is equipped with the other one of the second positioning block and the second positioning groove, the second positioning block and the second positioning groove cooperate to position the third forming block.

[0009] As an optional implementation, in the embodiment of the utility model, the forming mould applied to the end button and nut of electric energy meter and acquisition terminal further includes a pressing block, the pressing block is located between the upper mould and the lower mould and is pressed on the positioning piece to prevent the nut from separating from the positioning piece.

[0010] As an optional implementation, in the embodiment of the utility model, the lower mould is equipped with one of the third positioning block and the third positioning groove, the upper mould is equipped with the other one of the third positioning block and the third positioning groove, the third positioning block and the third positioning groove cooperate to position the upper mould.

[0011] As an optional implementation, in the embodiment of the utility model, the upper mould and the lower mould further buckle to form an injection liquid conveying cavity, the injection liquid conveying cavity is communicated with the injection cavity, and the injection channel is communicated with the injection liquid conveying cavity.

[0012] As an optional implementation, in the embodiment of the utility model, the upper mould and the lower mould buckle to form two injection cavities which are arranged at intervals, the injection channel is arranged on the upper mould and corresponds to the position between the two injection cavities, and the injection channel is respectively communicated with the two injection cavities.

[0013] As an optional implementation, in the embodiment of the utility model, the upper mould and the lower mould further buckle to form an injection liquid conveying cavity, the injection liquid conveying cavity is in the shape of cross, one end of the injection liquid conveying cavity is branched and communicated with the injection channel, and two sides of the injection liquid conveying cavity are respectively connected with the two injection cavities.

[0014] The embodiment of the utility model is implemented, and the following beneficial effects are obtained:

[0015] The utility model discloses a moulding die for end button and nut of electric energy meter and collection terminal, comprising lower mould, upper mould and positioning piece, positioning piece is located on lower mould, upper mould and lower mould are buckled and form injection cavity, and positioning piece extends into injection cavity and is used for positioning nut, and upper mould is equipped with injection channel that is communicated with injection cavity. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, below description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the structure schematic drawing of the moulding die for end button and nut of electric energy meter and collection terminal in the embodiment of the utility model;

[0018] Figure 2 It is the structure schematic drawing of part structure of the moulding die for end button and nut of electric energy meter and collection terminal in the embodiment of the utility model;

[0019] Figure 3 It is the structure schematic drawing of part structure of the moulding die for end button and nut of electric energy meter and collection terminal in the embodiment of the utility model;

[0020] Figure 4 It is the structure schematic drawing of positioning piece installation in lower mould of the moulding die for end button and nut of electric energy meter and collection terminal in the embodiment of the utility model;

[0021] Figure 5 It is the structure schematic drawing of upper mould of the moulding die for end button and nut of electric energy meter and collection terminal in the embodiment of the utility model;

[0022] Figure 6 It is the structure schematic drawing of nut installation in end button in the embodiment of the utility model.

[0023] Among them, the meaning of the reference sign is as follows:

[0024] 1 - lower mold; 11 - boss; 12 - first positioning groove; 13 - third positioning block; 2 - upper mold; 21 - groove; 22 - third positioning groove; 3 - positioning piece; 4 - first forming block; 41 - second positioning block; 5 - second forming block; 6 - third forming block; 61 - second positioning groove; 7 - fourth forming block; 8 - pressing block; 10 - injection channel; 20 - injection liquid delivery cavity; 30 - end knob; 40 - nut. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0028] In addition, the terms "mounting", "setting", "provided with", "connection", "connected" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In addition, the terms "first", "second" and the like are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not intended to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise stated, the meaning of "multiple" is two or more.

[0030] The technical scheme of the utility model will be further explained in connection with the embodiments and drawings.

[0031] Please refer to Figures 1 to 6 The utility model discloses an application for the forming die of end button and nut of electric energy meter and collection terminal, including lower mould 1, upper mould 2 and positioning piece 3, positioning piece 3 is located on lower mould 1, and upper mould 2 is closed with lower mould 1 and forms injection cavity, and positioning piece 3 extends into injection cavity and is used for positioning nut 40, and upper mould 2 is equipped with the injection channel 10 that communicates at injection cavity. When using, first, nut 40 is set on positioning piece 3, then upper mould 2 is closed on lower mould 1, then injection liquid is injected through injection channel 10, and injection liquid enters injection cavity and injection molding together with nut 40. Adopt such design mode, on the one hand, nut 40 and end button 30 are injection molded together through a device, simplify the equipment and process, and reduce production cost, on the other hand, nut 40 and end button 30 injection molding make the contact of nut 40 and end button 30 more closely, and improve the plug-in force, and again, can avoid the problem of nut 40 skewing that moves or manual error occurs when welding.

[0032] In some embodiments, in order to form the above-mentioned injection cavity, the upper surface of the lower mold 1 is in the form of a boss, the lower surface of the upper mold 2 is in the form of a groove, and after the upper mold 2 is closed on the lower mold 1, the boss 11 of the lower mold 1 is located in the groove 21 of the upper mold 2, so that the lower surface of the upper mold 2 and the upper surface of the lower mold 1 form an injection cavity.

[0033] Further, the forming die of the end button and the nut applied to the electric energy meter and the collection terminal further comprises a first forming block 4, a second forming block 5 (not shown), a third forming block 6, and a fourth forming block 7 located in the groove 21 of the upper mold 2. The first forming block 4 and the second forming block 5 are respectively located on both sides of the boss 11 of the lower mold 1. The third forming block 6 is pressed on the first forming block 4, and the fourth forming block 7 is pressed on the positioning piece 3. The upper surface of the lower mold 1, the lower surface of the upper mold 2, the first forming block 4, the second forming block 5, the third forming block 6, and the fourth forming block 7 jointly form an injection cavity. It can be understood that in other embodiments, according to the different shapes of the injection cavity, the above-mentioned forming blocks can not be used or only one forming block is needed, etc., which are not limited herein.

[0034] Further, in order to stably place the first forming block 4 on the lower mold 1, the upper surface of the lower mold 1 is provided with a first positioning groove 12 which is adapted to the shape of the bottom of the first forming block 4. The bottom of the first forming block 4 is placed in the first positioning groove 12 to position the first forming block 4.

[0035] Further, in order to accurately place the third forming block 6 on the first forming block 4, one of the second positioning block 41 and the second positioning groove 61 is arranged on the first forming block 4, and the other of the second positioning block 41 and the second positioning groove 61 is arranged on the third forming block 6, and the second positioning block 41 and the second positioning groove 61 are matched to position the third forming block 6. In this embodiment, the first forming block 4 is provided with the second positioning block 41, and the third forming block 6 is provided with the second positioning groove.

[0036] In some embodiments, in order to prevent the nut 40 from floating away from the positioning member 3 due to the buoyancy of the injection liquid during injection molding, the forming mold for the end button and the nut applied to the electric energy meter and the collection terminal further comprises a pressing block 8, which is located between the upper mold 2 and the lower mold 1 and is fixed above the positioning member 3 to prevent the nut 40 from floating away from the positioning member 3.

[0037] In some embodiments, in order to accurately place the upper mold 2 on the lower mold 1, one of the third positioning block 13 and the third positioning groove 22 is arranged on the lower mold 1, and the other of the third positioning block 13 and the third positioning groove 22 is arranged on the upper mold 2, and the third positioning block 13 and the third positioning groove 22 are matched to position the upper mold 2.

[0038] In this embodiment, the lower mold 1 is provided with the third positioning block 13, and the upper mold 2 is provided with the third positioning groove 22. Specifically, the third positioning block 13 is five third positioning blocks 13, and the third positioning groove 22 is five third positioning grooves 22, so as to better position.

[0039] In some embodiments, the upper mold 2 and the lower mold 1 are further buckled to form an injection liquid conveying cavity 20, the injection liquid conveying cavity 20 is communicated with the injection cavity, and the injection channel 10 is communicated with the injection liquid conveying cavity 20. By adopting this design manner, the injection liquid is first injected into the injection liquid conveying cavity 20 through the injection channel 10, and then conveyed into the injection cavity from the injection liquid conveying cavity 20.

[0040] In some embodiments, the upper mold 2 and the lower mold 1 are buckled to form two injection cavities arranged at intervals, the injection channel 10 is arranged on the upper mold 2 at a position corresponding to the position between the two injection cavities, and the injection channel 10 is respectively communicated with the two injection cavities. By adopting this design manner, one forming mold can simultaneously form two groups of end buttons 30 and nuts 40, thereby improving the forming efficiency.

[0041] Further, the injection liquid conveying cavity 20 is in a cross shape, one end branch of the injection liquid conveying cavity 20 is communicated with the injection channel 10, and two side branches of the injection liquid conveying cavity 20 are respectively connected to the two injection cavities. By adopting this design manner, the cold injection liquid just injected into the injection channel 10 will flow from one end branch to the other end branch, so as to avoid flowing to the two injection cavities, and then the hot injection liquid will flow to the two side branches and finally flow into the two injection cavities.

[0042] The utility model provides a kind of forming mould of end button and nut applied to electric energy meter and acquisition terminal, including lower mould 1, upper mould 2 and positioning member 3, positioning member 3 is located on lower mould 1, upper mould 2 and lower mould 1 buckle and form injection cavity, positioning member 3 extends into injection cavity, for positioning nut 40, upper mould 2 is equipped with the injection channel 10 being communicated at injection cavity.In use, first, nut 40 is set on positioning member 3, then upper mould 2 is buckled on lower mould 1, then injection liquid is injected by injection channel 10, injection liquid enters injection cavity and is injection molded with nut 40 together.Adopt such design mode, on the one hand, nut 40 and end button 30 are injection molded together by one equipment, simplify equipment and process, reduce production cost;On the other hand, nut 40 and end button 30 are injection molded together, so that the contact of nut 40 and end button 30 is more closely, and plug-in force is improved;In addition, it can avoid the problem of nut 40 skewing caused by movement or artificial error when welding.

[0043] The utility model discloses a kind of forming mould of end button and nut applied to electric energy meter and acquisition terminal, and the principle and implementation mode of the utility model are described in this paper by applying example, the above-mentioned example is only used to help understand the core idea of a kind of forming mould of end button and nut applied to electric energy meter and acquisition terminal of the utility model and its;Meanwhile, for the general technical personnel of this field, according to the idea of the utility model, there will be changes in specific implementation mode and application range, as described above, the content of the specification should not be understood as the restriction of the utility model.

Claims

1. A forming die for end buttons and nuts of electric energy meters and collection terminals, characterized in that, The application relates to a forming die for end buttons and nuts of electric energy meters and collection terminals, which comprises a lower die (1), an upper die (2) and a positioning member (3), the positioning member (3) is arranged on the lower die (1), the upper die (2) is buckled with the lower die (1) to form an injection cavity, the positioning member (3) extends into the injection cavity and is used for positioning a nut (40), and the upper die (2) is provided with an injection channel (10) which is communicated with the injection cavity.

2. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 1, characterized in that: The upper surface of the lower die (1) is in the form of a boss, the lower surface of the upper die (2) is in the form of a groove, and after the upper die (2) is buckled on the lower die (1), the boss (11) of the lower die (1) is located in the groove (21) of the upper die (2), so that the lower surface of the upper die (2) and the upper surface of the lower die (1) form the injection cavity.

3. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 2, characterized in that: The forming die for end buttons and nuts of electric energy meters and collection terminals further comprises a first forming block (4), a second forming block (5), a third forming block (6) and a fourth forming block (7) which are located in the groove (21) of the upper die (2), the first forming block (4) and the second forming block (5) are respectively located on the two sides of the boss (11) of the lower die (1), the third forming block (6) is pressed on the first forming block (4), the fourth forming block (7) is pressed on the positioning member (3), and the upper surface of the lower die (1), the lower surface of the upper die (2), the first forming block (4), the second forming block (5), the third forming block (6) and the fourth forming block (7) jointly form the injection cavity.

4. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 3, characterized in that: The upper surface of the lower die (1) is provided with a first positioning groove (12) which is in the form of a bottom of the first forming block (4), and the bottom of the first forming block (4) is placed in the first positioning groove (12) to position the first forming block (4).

5. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 3, characterized in that: The first forming block (4) is provided with one of a second positioning block (41) and a second positioning groove (61), the third forming block (6) is provided with the other one of the second positioning block (41) and the second positioning groove (61), and the second positioning block (41) and the second positioning groove (61) are matched to position the third forming block (6).

6. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 1, characterized in that: The forming die for end buttons and nuts of electric energy meters and collection terminals further comprises a pressing block (8) which is located between the upper die (2) and the lower die (1) and is pressed on the upper side of the positioning member (3) to prevent the nut (40) from being separated from the positioning member (3).

7. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 1, characterized in that: The lower die (1) is provided with one of a third positioning block (13) and a third positioning groove (22), the upper die (2) is provided with the other one of the third positioning block (13) and the third positioning groove (22), and the third positioning block (13) and the third positioning groove (22) are matched to position the upper die (2).

8. The forming die for end button and nut applied to electric energy meter and collection terminal according to claim 1, characterized in that: The upper die (2) and the lower die (1) further buckle to form an injection liquid conveying cavity (20) which is communicated with the injection cavity, and the injection channel (10) is communicated with the injection liquid conveying cavity (20).

9. The forming die for end button and nut of electric energy meter and collection terminal according to any one of claims 1 to 8, characterized in that: The upper mold (2) and the lower mold (1) are buckled to form two spaced injection cavities, and the injection channel (10) is arranged on the upper mold (2) at a position corresponding to the space between the two injection cavities, and the injection channel (10) is communicated with the two injection cavities respectively.

10. The forming die for end button and nut of electric energy meter and collection terminal according to claim 9, characterized in that: The upper mold (2) and the lower mold (1) are buckled to form an injection liquid delivery cavity (20), the injection liquid delivery cavity (20) is in the shape of a cross, one end of the injection liquid delivery cavity (20) is branched and communicated with the injection channel (10), and the two sides of the injection liquid delivery cavity (20) are respectively connected to the two injection cavities.

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