CN211137956U

CN211137956U - Power plug is mould for injection moulding

Info

Publication number: CN211137956U
Application number: CN201921867240.6U
Authority: CN
Inventors: 张新安; 李剑峰; 李炳; 陈俊坤
Original assignee: Yimo Steel Mold Hardware Shenzhen Co ltd
Current assignee: Yimo Steel Mold Hardware Shenzhen Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-31
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a power plug injection molding die, which comprises a movable die and a fixed die, wherein the movable die is provided with a plurality of first cavities, and the fixed die is provided with a plurality of second cavities; when the movable die and the fixed die are assembled, the first die cavity is matched with the corresponding second die cavity to form a finished product cavity and a through hole for a lead to pass through; a pouring channel communicated with a finished product cavity when the movable mold and the fixed mold are closed is formed in the mold; the fixing rod is characterized by also comprising a fixing rod, wherein one side of the fixing rod is provided with a plurality of groups of jacks which are in splicing fit with the metal contact pieces; the movable mould with set up respectively on the cover half with the first constant head tank of each first die cavity intercommunication and with the second constant head tank of each second die cavity intercommunication, the movable mould with when the cover half compound die, first constant head tank with the second constant head tank forms the logical chamber with the dead lever adaptation. The utility model discloses have the effect that improves production efficiency.

Description

Power plug is mould for injection moulding

Technical Field

The utility model belongs to the technical field of power plug production facility and specifically relates to a power plug mould for injection moulding is related to.

Background

The power plug mainly comprises a plug inner shell, a metal contact piece which is fixedly spliced on one side of the plug inner shell, a lead with one end extending into the plug inner shell and connected with the metal contact piece and an insulating wrapping which wraps the plug inner shell. In the process of supporting the power plug, firstly, the metal contact and the conducting wire are connected, then the metal contact and the conducting wire are fixed on the plug inner shell to form a primary plug, and then an insulating sheath is injected outside the plug inner shell to form a finished plug.

Referring to fig. 1 and 2, the conventional power plug injection molding die comprises a movable die 1 and a fixed die 2, wherein a plurality of first cavities 11 are formed in the movable die 1, and a plurality of second cavities 21 are formed in the fixed die 2; a first embedding groove 6 for embedding a metal contact piece of a power supply plug is formed in one end of the first cavity 11 on the movable die 1; a second embedded groove 7 for embedding a metal contact piece of a power supply plug is formed in the fixed die 2 and one end of the second cavity 21; when the movable die 1 and the fixed die 2 are assembled, the first die cavity 11 and the corresponding second die cavity 21 are matched to form a finished product cavity and a through hole for a lead to pass through, and the first caulking groove 6 and the second caulking groove 7 are matched to form a metal contact clamping hole tightly matched with a metal contact.

When the mold is used for manufacturing the power plug, the power plug is manually fixed into the corresponding second cavity 21 one by a worker who is required to install the primary plug under the condition of mold opening; the specific fixing steps are as follows, firstly, the metal contact piece is inserted into the second caulking groove 7, and then the conducting wire is combed to be positioned in the through hole when the die is closed; the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power plug injection moulding uses mould, its advantage: the production efficiency is improved.

The above object of the present invention can be achieved by the following technical solutions: a mold for injection molding of a power plug comprises a movable mold and a fixed mold, wherein a plurality of first cavities are formed in the movable mold, and a plurality of second cavities are formed in the fixed mold; when the movable die and the fixed die are assembled, the first die cavity is matched with the corresponding second die cavity to form a finished product cavity and a through hole for a lead to pass through; a pouring channel communicated with a finished product cavity when the movable mold and the fixed mold are closed is formed in the mold; the fixing rod is characterized by also comprising a fixing rod, wherein one side of the fixing rod is provided with a plurality of groups of jacks which are in splicing fit with the metal contact pieces; the movable mould with set up respectively on the cover half with the first constant head tank of each first die cavity intercommunication and with the second constant head tank of each second die cavity intercommunication, the movable mould with when the cover half compound die, first constant head tank with the second constant head tank forms the logical chamber with the dead lever adaptation.

Through the technical scheme, when the fixing device is used, two fixing rods are provided, and the two fixing rods are named as a first fixing rod and a second fixing rod respectively for convenience of description; workers can fix a plurality of preliminary plugs on the first fixing rods through the matching of the metal contact pieces and the jacks, then place the first fixing rods on the fixed die and adjust the wires to corresponding positions, then the fixed die and the movable die are matched, and injection molding is started; in the injection molding process, a worker can fix a plurality of preliminary plugs on the second fixed rods, after the injection molding is finished, the first fixed rods can be taken down from the fixed mold, the second fixed rods are replaced on the fixed mold, and then the injection molding is carried out; in the injection molding process, a worker can detach the finished plug from the first fixing rod and then fix the plurality of preliminary plugs on the first fixing rod; so reciprocal, can continuously utilize first dead lever and second dead lever in turn and cover half and the insulating foreskin of movable mould shaping for the workman can make full use of cover half and the time that the movable mould compound die was moulded plastics, will tentatively adorn on the dead lever the plug, and will have the dead lever of tentatively plug and adorn on the cover half, compare in installing each second die cavity in one by one with the tentatively plug of a plurality of more save time, thereby improved production efficiency.

The utility model discloses further set up to: the both ends of dead lever are fixed with the locating plate, and when two locating plates butt respectively on two lateral walls that the cover half carried on the back mutually, every group jack on the dead lever just corresponds each second die cavity on the cover half respectively.

Through the technical scheme, after the fixing rod is placed in the second positioning groove, workers do not need to adjust the position of the fixing rod, and each group of jacks on the fixing rod can be aligned to the corresponding second cavities, so that the production efficiency is improved.

The utility model discloses further set up to: and a handle is fixed on one side of the positioning plate away from the fixing rod.

Through the technical scheme, the fixing rod is convenient for a worker to take.

The utility model discloses further set up to: and a plurality of fixing components for preventing the metal contact of the power plug from being separated from the jack are arranged in the fixing rod.

Through above-mentioned technical scheme, the setting of fixed subassembly can effectively avoid the workman when the dead lever of taking, and the condition that power plug's metal contact deviates from the jack appears.

The utility model discloses further set up to: the fixed subassembly is including seting up the installation cavity that lies in between the jack of the same group on the dead lever, set up compression spring and two in the installation cavity and connect respectively at the compression spring both ends and with the installation cavity sliding fit support the pressure head, support the pressure head and stretch into corresponding the jack, just support the one side processing that one end is close to the jack drill way in the pressure head stretches into the jack and has the chamfer.

Through the technical scheme, when workers insert the metal contact on the primary plug into the jack, the metal contact can press the pressing head back into the mounting cavity through the inclined plane formed by extruding the chamfer, so that the metal contact can be smoothly inserted into the jack; when the metal inserting piece is inserted into the jack, the pressing head can be tightly abutted against the metal contact piece under the action of the compaction spring so as to increase the friction force between the metal contact piece and the side wall of the jack, and therefore the metal contact piece is not easy to be separated from the jack.

The utility model discloses further set up to: the anti-drop device is characterized in that a plurality of anti-drop blocks are embedded on the end face of one end, extending into the jack, of the pressing head, the anti-drop blocks protrude out of the end face of the pressing head, and the anti-drop blocks are made of rubber or polyurethane materials.

Through above-mentioned technical scheme, the frictional force between pressure head and the metal contact can further be increased in the setting of anticreep piece to make the metal contact more be difficult for deviating from the jack.

The utility model discloses further set up to: the both ends of cover half all are connected with the mounting panel, have seted up on two mounting panels and have put the thing opening.

Through above-mentioned technical scheme, the mounting panel can be used for depositing the dead lever.

The utility model discloses further set up to: a plurality of guide pillars are fixed on one side of the movable mold facing the fixed mold, and a plurality of guide holes in sliding fit with the guide pillars are formed in one side of the fixed mold facing the movable mold.

Through the technical scheme, when the movable die and the fixed die are assembled through the matching of the guide pillar and the guide hole, the first die cavity and the second die cavity can be accurately aligned.

To sum up, the utility model discloses a beneficial technological effect does:

1. workers can fully utilize the time of die assembly and injection molding of the fixed die and the movable die to mount the primary plugs on the fixed rods, and mount the fixed rods with the primary plugs on the fixed die, so that time is saved compared with the mode that a plurality of primary plugs are mounted in each second cavity one by one, and the production efficiency is improved;

2. due to the arrangement of the positioning plate, after a worker places the fixed rod into the second positioning groove, the position of the fixed rod does not need to be adjusted, and each group of jacks on the fixed rod can be aligned to each corresponding second cavity, so that the production efficiency is improved;

3. the fixed component can effectively prevent the metal contact of the power plug from being separated from the jack when a worker takes the fixed rod.

Drawings

Fig. 1 is a schematic overall structure diagram of a prior art power plug injection molding mold mentioned in the background section;

FIG. 2 is a schematic view of another embodiment of a prior art power plug injection mold according to the background art;

fig. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a schematic view of the overall structure in another direction of the present invention;

FIG. 5 is a cross-sectional view of a structure embodying a securing assembly;

fig. 6 is a schematic view showing the structure of the anti-slip block.

In the figure, 1, a moving die; 11. a first cavity; 12. a first positioning groove; 13. a guide post; 2. fixing a mold; 21. a second cavity; 22. a second positioning groove; 23. a guide hole; 31. a first runner channel; 32. a second runner channel; 33. a third runner groove; 4. fixing the rod; 41. a jack; 42. positioning a plate; 43. a handle; 44. a mounting cavity; 45. a compression spring; 46. pressing head; 47. an anti-drop block; 48. a first bar member; 49. a second bar member; 5. a mounting plate; 51. a notch for placing articles; 6. a first caulking groove; 7. a second caulking groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.

Example (b):

referring to fig. 3 and 4, for the utility model discloses a power plug injection moulding uses mould, including movable mould 1, cover half 2 and dead lever 4. The movable die 1 and the fixed die 2 are parallel to each other, a plurality of first cavities 11 are arranged in parallel on one side of the movable die 1 facing the fixed die 2, and first positioning grooves 12 communicated with the first cavities 11 are formed in the movable die 1 and beside the first cavities 11; a plurality of second cavities 21 are arranged in parallel on one side of the fixed die 2 facing the movable die 1, and second positioning grooves 22 communicated with the second cavities 21 are formed in the fixed die 2 and beside the second cavities 21; when the movable die 1 and the fixed die 2 are assembled, the first die cavity 11 and the corresponding second die cavity 21 are matched to form a finished product cavity and a through hole for a lead to pass through, and the first positioning groove 12 and the second positioning groove 22 are matched to form a through cavity matched with the fixed rod 4.

Referring to fig. 4 and 5, the fixing rod 4 includes a first rod 48 and a second rod 49 bolted to one side of the first rod 48, a plurality of insertion holes 41 in insertion fit with the metal contact are arranged at intervals along the length direction of the fixing rod 4 on one side of the second rod 49 opposite to the first rod 48, every two insertion holes 41 form a group, and a worker can fix the preliminary plug to the fixing rod 4 by the fit of the metal contact and the insertion holes 41. Both ends of the fixed rod 4 are fixedly connected with positioning plates 42, and when the fixed rod 4 is placed in the second positioning groove 22 and the two positioning plates 42 abut against the two opposite side walls of the fixed mold 2, each group of insertion holes 41 on the fixed rod 4 just align to each second cavity 21 on the fixed mold 2 respectively. A handle 43 is fixedly connected to a side of the positioning plate 42 away from the fixing rod 4 for facilitating a worker to take the fixing rod 4.

Referring to fig. 5, in order to prevent the metal contact pieces of the preliminary plug from being separated from the insertion holes 41 after the preliminary plug is mounted on the fixing lever 4 by a worker, a plurality of sets of fixing members are mounted in the fixing lever 4. The fixing assembly comprises a mounting cavity 44 which is arranged on one side of the second rod piece 49 facing the first rod piece 48 and is positioned between the jacks 41 in the same group, the jacks 41 in the same group are communicated through the mounting cavity 44, two abutting heads 46 which are in sliding fit with the mounting cavity 44 are arranged in the mounting cavity 44, a compression spring 45 is arranged between the two abutting heads 46, and the two abutting heads 46 respectively extend into the two jacks 41 in the same group under the action of the compression spring 45; a chamfer is processed on one side of one end of the pressing head 46 extending into the jack 41 and close to the orifice of the jack 41; referring to fig. 5 and 6, a plurality of anti-dropping blocks 47 made of rubber or polyurethane material are fixedly embedded on the end surface of the pressing head 46 extending into the insertion hole 41, and the anti-dropping blocks 47 protrude from the end surface of the pressing head 46.

When a worker inserts the metal contact on the preliminary plug into the jack 41, the metal contact can press the pressing head 46 back into the mounting cavity 44 through the inclined plane formed by the pressing chamfer, so that the metal contact can be smoothly inserted into the jack 41; when the metal insert is inserted into the insertion hole 41, the pressing head 46 tightly abuts against the metal contact under the action of the compression spring, so that the metal insert is fixed through the friction between the metal contact and the side wall of the insertion hole 41 and the friction between the pressing head 46 and the metal insert, and the metal contact is not easy to be separated from the insertion hole 41.

Referring to fig. 3, in order to facilitate the storage of the fixing rod 4, the two ends of the fixed die 2 are both connected with the bracket plates 5, and the two bracket plates 5 are provided with the object placing openings 51. The worker can store the fixing lever 4 by putting the fixing lever 4 on the two bracket plates 5. In order to improve the correspondence between the movable mold 1 and the fixed mold 2, two guide posts 13 are vertically fixed on one side of the movable mold 1 facing the fixed mold 2, and two guide holes 23 in sliding fit with the guide posts 13 are formed on one side of the fixed mold 2 facing the movable mold 1.

Referring to fig. 4, a first runner groove 31 is formed in one side, facing the fixed mold 2, of the movable mold 1, a second runner groove 32 is formed in one side, facing the movable mold 1, of the fixed mold 2, and a third runner groove 33 is formed in one side of the fixed rod 4.

When in use, two fixing rods 4 are provided, and for convenience of description, the two fixing rods 4 are named as a first fixing rod 4 and a second fixing rod 4 respectively; a worker can fix a plurality of preliminary plugs on the first fixing rod 4 through the matching of the metal contact and the jack 41, then place the first fixing rod 4 on the fixed die 2 and adjust the conducting wire to the corresponding position, then the fixed die 2 and the movable die 1 are matched, and injection molding is started; in the injection molding process, a worker can fix a plurality of preliminary plugs on the second fixing rods 4, after the injection molding is finished, the first fixing rods 4 can be taken down from the fixed mold 2, the second fixing rods 4 are replaced on the fixed mold 2, and then the injection molding is carried out; in the injection molding process, a worker can detach the finished plug from the first fixing rod 4 and then fix a plurality of preliminary plugs on the first fixing rod 4; so reciprocal, can continuously utilize first dead lever 4 and second dead lever 4 in turn with cover half 2 and the insulating foreskin of movable mould 1 shaping for the workman can make full use of the time that cover half 2 and movable mould 1 compound die were moulded plastics, will tentatively install on dead lever 4 the plug, and will have the dead lever 4 of tentatively plug and adorn on cover half 2, compare in installing each second die cavity 21 in more save time with the preliminary plug of a plurality of one by one, thereby improved production efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A power plug injection molding die comprises a movable die (1) and a fixed die (2), wherein a plurality of first cavities (11) are formed in the movable die (1), and a plurality of second cavities (21) are formed in the fixed die (2); when the movable die (1) and the fixed die (2) are closed, the first cavity (11) and the corresponding second cavity (21) are matched to form a finished product cavity and a through hole for a lead to pass through; a pouring channel communicated with a finished product cavity when the movable mold (1) and the fixed mold (2) are closed is formed in the mold; the method is characterized in that: the fixing device also comprises a fixing rod (4), wherein one side of the fixing rod (4) is provided with a plurality of groups of jacks (41) which are in splicing fit with the metal contact pieces; the movable mould (1) with set up respectively on the cover half (2) first constant head tank (12) with each first die cavity (11) intercommunication and with second constant head tank (22) of each second die cavity (21) intercommunication, when movable mould (1) with cover half (2) compound die, first constant head tank (12) with second constant head tank (22) form the logical chamber with dead lever (4) adaptation.

2. The mold for injection molding of a power plug according to claim 1, wherein: the two ends of the fixed rod (4) are fixed with positioning plates (42), when the two positioning plates (42) are respectively abutted to the two outer side walls of the fixed die (2) in the back of the back, each group of jacks (41) on the fixed rod (4) just correspond to the second cavities (21) on the fixed die (2) respectively.

3. The mold for injection molding of a power plug according to claim 2, wherein: a handle (43) is fixed on one side of the positioning plate (42) away from the fixing rod (4).

4. The mold for injection molding of a power plug according to claim 1, wherein: and a plurality of fixing components for preventing the metal contact of the power plug from falling off from the jack (41) are arranged in the fixing rod (4).

5. The mold for injection molding of a power plug according to claim 4, wherein: fixed subassembly is including offering installation cavity (44) that lie in between same group jack (41) on dead lever (4), setting compression spring (45) and two of establishing in installation cavity (44) connect respectively at compression spring (45) both ends and with installation cavity (44) sliding fit support pressure head (46), support pressure head (46) stretch into corresponding jack (41), just support pressure head (46) stretch into jack (41) in one side processing that one end is close to jack (41) drill way have the chamfer.

6. The mold for injection molding of a power plug according to claim 5, wherein: the anti-dropping device is characterized in that the anti-dropping head (46) extends into the jack (41) and is provided with a plurality of anti-dropping blocks (47) in an embedded mode, the anti-dropping blocks (47) protrude out of the end face of the anti-dropping head (46), and the anti-dropping blocks (47) are made of rubber or polyurethane materials.

7. The mold for injection molding of a power plug according to claim 1, wherein: both ends of the fixed die (2) are connected with support plates (5), and the two support plates (5) are provided with object placing openings (51).

8. The mold for injection molding of a power plug according to claim 1, wherein: a plurality of guide pillars (13) are fixed on one side of the movable mold (1) facing the fixed mold (2), and a plurality of guide holes (23) in sliding fit with the guide pillars (13) are formed in one side of the fixed mold (2) facing the movable mold (1).