CN208745219U - A kind of injection molded junction box mold that the die cavity of optimization increases - Google Patents

Abstract

The utility model discloses the injection molded junction box molds that a kind of die cavity of optimization increases, including upper mold, the upper mold bottom is connected with lower die, the upper mold two sides of the bottom are provided with convex module unit, two sides offer lower die cavity unit at the top of the lower die, the convex module unit is adapted with lower die cavity unit, the convex module unit and lower die cavity unit form connector cover mold core, the position that the upper mold bottom is located at convex module unit surrounding is provided with sealing block, the upper sealing block outer wall two sides are fixedly connected with seal washer, the position for being located at lower die cavity unit surrounding at the top of the lower die offers lower seal groove cavity, side of the seal washer outer wall far from upper sealing block is flexibly connected with lower seal groove cavity inner wall two sides, the upper sealing block is correspondingly arranged with lower seal groove cavity, the utility model relates to technical field of mold.It solves multi-cavity mold cooling and preheating is uneven, influence each other between die cavity, the high problem of product defect rate.

Description

A kind of injection molded junction box mold that the die cavity of optimization increases

Technical field

The utility model relates to technical field of mold, specially a kind of injection molded junction box mold that the die cavity of optimization increases.

Background technique

Plastic mould is a kind of tool for producing plasthetics, carries out processing product by the method for injection molding, The plastic rubber material of heated thawing is injected in die cavity by injection molding machine high pressure color contamination, obtains shaped article after cooling and solidifying, in order to Production efficiency is improved, present manufacturer starts the mold using multimode cave, such as connector cover mold, terminal box cover mold mostly Lamps structure is fairly simple, be suitble to increase die cavity quantity, but multi-cavity mold due to die cavity quantity it is relatively more, the volume of mold entirety Also bigger, if still using integrated cooling water channel and preheating method, cooling and preheating time can be increased, so that respectively Partial product is cooling and preheating has a certain difference, this species diversity can be eliminated, and the volume of mold increases, mold Between distance reduce, between each other generate gas circulation can become simpler, be easy to influence each other, serious conditions can generate winged Side causes sizing material to waste, and product defect rate is high

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the injection molded junction box mould that the die cavity that the utility model provides a kind of optimization increases Tool, solves multi-cavity mold cooling and preheating is uneven, influences each other between die cavity, the high problem of product defect rate.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of die cavity of optimization increases Injection molded junction box mold, including upper mold, the upper mold bottom be connected with lower die, and the upper mold two sides of the bottom are provided with Convex block unit, lower die top two sides offer lower die cavity unit, and the convex module unit is adapted with lower die cavity unit, institute It states convex module unit and lower die cavity unit forms connector cover mold core, the upper mold bottom is located at the position of convex module unit surrounding It is provided with sealing block, the upper sealing block outer wall two sides are fixedly connected with seal washer, are located at lower die cavity at the top of the lower die The position of unit surrounding offers lower seal groove cavity, side of the seal washer outer wall far from upper sealing block and lower seal groove cavity inner wall Two sides are flexibly connected, and the upper sealing block is correspondingly arranged with lower seal groove cavity, and the lower die is located at the position of the downside of lower die cavity unit It installs and is equipped with cooling trough, the cooling trough shape is snakelike tube shape, and the upper mold is located at the position on the upside of convex module unit It sets and offers pre- heat channel, the pre- heat channel is internally provided with preheating heater strip, and the preheating heater strip both ends are fixed by insulation Block is fixedly connected with pre- heat channel inner wall two sides.

Preferably, lower die outer wall two sides are fixedly connected to nozzle, and the nozzle is corresponding with cooling trough two-port Setting, the nozzle outer surface is provided with spiral thread.

Preferably, the convex module unit and lower die cavity unit are provided with 4.

Preferably, two sides are fixedly connected with positioning column at the top of the lower die.

Preferably, the upper mold is adapted with lower die.

Preferably, the preheating heater strip shape is helical form.

(3) beneficial effect

The injection molded junction box mold that the die cavity that the utility model provides a kind of optimization increases.Have it is following the utility model has the advantages that

(1), the injection molded junction box mold that the die cavity of the optimization increases, by being connected with lower die in upper mold bottom, on Mould two sides of the bottom are provided with convex module unit, and two sides offer lower die cavity unit, convex module unit and lower die cavity list at the top of lower die Member is adapted, and convex module unit and lower die cavity unit form connector cover mold core, and upper mold bottom is located at convex module unit surrounding Position is provided with sealing block, and upper sealing block outer wall two sides are fixedly connected with seal washer, are located at lower die cavity unit at the top of lower die The position of surrounding offers lower seal groove cavity, side of the seal washer outer wall far from upper sealing block and the activity of lower seal groove cavity inner wall two sides Connection, upper sealing block are correspondingly arranged with lower seal groove cavity, solve and influence each other between multi-cavity mold die cavity, and product defect rate is high The problem of, by the setting of seal washer and lower seal groove cavity, connector cover mold core can be increased and carried out between each other by gap The tortuous of gas exchange avoids generating overlap, or since lower seal groove cavity is close to lower die cavity unit, can also reduce overlap Length, reduce the loss of sizing material, and sealing performance, reduction in the numbers of seconds can be reinforced.

(2), the injection molded junction box mold that the die cavity of the optimization increases, by the downside for being located in lower die lower die cavity unit Position is provided with cooling trough, and cooling trough shape is snakelike tube shape, and the position that upper mold is located on the upside of convex module unit opens up There is pre- heat channel, pre- heat channel is internally provided with preheating heater strip, and preheating heater strip both ends pass through insulation fixed block and pre- heat channel inner wall Two sides are fixedly connected, and solve the problems, such as that multi-cavity mold is cooling and preheating is non-uniform, near each connector cover mold core The component of cold-zone and preheating is all separately provided, can guarantee the cooling velocity and preheating speed's phase of each product as far as possible in this way Together, reduce the difference between product, accomplish as far as possible uniformly, to ensure that product quality.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model lower die structure schematic diagram；

Fig. 3 is partial enlarged view at A in the utility model Fig. 1.

In figure: 1 upper mold, 2 lower dies, 3 convex module units, 4 lower die cavity units, 5 connector cover mold cores, sealing block on 6,7 close Seal washer, 8 lower seal groove cavities, 9 cooling troughs, 10 pre- heat channels, 11 preheating heater strips, 12 nozzles.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of injection molded junction box that the die cavity of optimization increases Mold, including upper mold 1,1 bottom of upper mold are connected with lower die 2, and 1 two sides of the bottom of upper mold are provided with convex module unit 3, lower die 2 Top two sides offer lower die cavity unit 4, and convex module unit 3 is adapted with lower die cavity unit 4, convex module unit 3 and lower die cavity Unit 4 forms connector cover mold core 5, and the position that 1 bottom of upper mold is located at convex 3 surrounding of module unit is provided with sealing block 6, upper close Envelope 6 outer wall two sides of block are fixedly connected with seal washer 7, offer down at the top of lower die 2 positioned at the position of lower 4 surrounding of die cavity unit close Sealing groove 8, side of 7 outer wall of seal washer far from upper sealing block 6 are flexibly connected with 8 inner wall two sides of lower seal groove cavity, upper sealing block 6 with Lower seal groove cavity 8 is correspondingly arranged, and is solved and is influenced each other between multi-cavity mold die cavity, the high problem of product defect rate.Lower die 2 The position of the downside of lower die cavity unit 4 is provided with cooling trough 9,9 shape of cooling trough is snakelike tube shape, and upper mold 1 is located at The position of convex 3 upside of module unit offers pre- heat channel 10, and pre- heat channel 10 is internally provided with preheating heater strip 11, preheats heater strip 11 both ends are fixedly connected by insulation fixed block with pre- 10 inner wall two sides of heat channel, solve multi-cavity mold cooling and preheating not Uniform problem.

2 outer wall two sides of lower die are fixedly connected to nozzle 12, and nozzle 12 is correspondingly arranged with 9 two-port of cooling trough, nozzle 12 outer surfaces are provided with spiral thread, convenient for water inlet and draining.

Convex module unit 3 and lower die cavity unit 4 are provided with 4, expanding production efficiency.

2 top two sides of lower die are fixedly connected with positioning column, improve the precision of device.

Upper mold 1 is adapted with lower die 2, improves the precision of device.

Preheating 11 shape of heater strip is helical form, improves the pre- thermal efficiency.

In use, upper mold 1 and lower die 2 are combined installation with power-equipment respectively, nozzle 12 is connected with water pipe It is logical, before injection molding, the preheating energization of heater strip 11 is heated, guarantees that the temperature in each region of connector cover mold core 5 is identical, note After modeling, it is passed through cooling water into cooling trough 9, is cooled down, guarantees that the cooling velocity of each product is roughly the same.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of injection molded junction box mold that the die cavity of optimization increases, including upper mold (1), it is characterised in that: upper mold (1) bottom Portion is connected with lower die (2), and upper mold (1) two sides of the bottom are provided with convex module unit (3), two at the top of the lower die (2) Side offers lower die cavity unit (4), and the convex module unit (3) is adapted with lower die cavity unit (4), the convex module unit (3) connector cover mold core (5) are formed with lower die cavity unit (4), upper mold (1) bottom is located at convex module unit (3) surrounding Position is provided with sealing block (6), and upper sealing block (6) the outer wall two sides are fixedly connected with seal washer (7), the lower die (2) position that top is located at lower die cavity unit (4) surrounding offers lower seal groove cavity (8), and seal washer (7) outer wall is far from upper The side of sealing block (6) is flexibly connected with lower seal groove cavity (8) inner wall two sides, and the upper sealing block (6) is corresponding with lower seal groove cavity (8) Setting, the position that the lower die (2) is located at the downside of lower die cavity unit (4) is provided with cooling trough (9), the cooling trough (9) shape is snakelike tube shape, and the position that the upper mold (1) is located on the upside of convex module unit (3) offers pre- heat channel (10), institute It states pre- heat channel (10) and is internally provided with preheating heater strip (11), the preheating heater strip (11) both ends are by insulation fixed block and in advance Heat channel (10) inner wall two sides are fixedly connected.

2. the injection molded junction box mold that a kind of die cavity of optimization according to claim 1 increases, it is characterised in that: under described Mould (2) outer wall two sides are fixedly connected to nozzle (12), and the nozzle (12) is correspondingly arranged with cooling trough (9) two-port, institute It states nozzle (12) outer surface and is provided with spiral thread.

3. the injection molded junction box mold that a kind of die cavity of optimization according to claim 1 increases, it is characterised in that: on described Convex block unit (3) and lower die cavity unit (4) are provided with 4.

4. the injection molded junction box mold that a kind of die cavity of optimization according to claim 1 increases, it is characterised in that: under described Two sides are fixedly connected with positioning column at the top of mould (2).

5. the injection molded junction box mold that a kind of die cavity of optimization according to claim 1 increases, it is characterised in that: on described Mould (1) is adapted with lower die (2).

6. the injection molded junction box mold that a kind of die cavity of optimization according to claim 1 increases, it is characterised in that: described pre- Hot heater strip (11) shape is helical form.