CN219903115U - Plastic collar forming die of automobile electric connector - Google Patents

Abstract

The utility model relates to the technical field of dies and discloses a plastic collar forming die of an automobile electric connector, which comprises a lower die, an upper die, an ejection mechanism and a plastic collar, wherein a first module is fixedly connected to the top of the lower die, forming rods are fixedly connected to the top of the first module at equal intervals, a second module is arranged on the top of the first module, the forming rods extend to the top of the second module, sliding grooves are symmetrically formed in the second module, a third module is fixedly connected to the bottom of the upper die, fixing rods are fixedly connected to two ends of the bottom of the third module, the bottom of the fixing rods extends to the inside of the sliding grooves and is fixedly connected with limiting plates, and the limiting plates are in sliding connection with the sliding grooves. According to the utility model, by arranging the ejection mechanism, the problems that the plastic collar is ejected by the ejector pin, the outer surface of the plastic collar is easily damaged, and the injection molding efficiency is reduced are avoided.

Description

Plastic collar forming die of automobile electric connector

Technical Field

The utility model relates to the technical field of dies, in particular to a plastic collar forming die of an automobile electric connector.

Background

The inside of the automobile electric connector is provided with a plastic collar main device for sealing, dust prevention, shock absorption and static prevention.

Through retrieval, china patent discloses a plastic collar forming die (authorized bulletin No. CN 208305653U) of a circular electric connector, which belongs to the technical field of dies, and comprises a fixed die and a movable die which are oppositely arranged, wherein the fixed die comprises a fixed die seat plate and a fixed die plate which are connected into a whole, the movable die comprises a movable die seat plate, a cushion block and a movable die plate which are connected into a whole, and a sprue bush communicated with a die cavity is arranged on the fixed die seat plate; the fixed die plate is fixedly provided with a fixed die core, the fixed die core is provided with a fixed die insert, the movable die plate is fixedly provided with a movable die core, the movable die core is provided with a movable die insert I, a movable die insert II and a movable die insert III, the movable die base plate is provided with a lower ejector pin plate and an upper ejector pin plate which are integrally connected, the upper ejector pin plate is provided with an ejector pin, a return pin and a material pulling pin, and the movable die plate and the fixed die plate are positioned through guide posts. The utility model innovatively changes the structure of the traditional movable mould insert, effectively solves the risks of large size error and complex processing technology, and completely ensures the product precision by utilizing the precise core and cavity processing technology, thereby greatly prolonging the service life of the mould.

However, in the actual use process of the die, through arranging the ejector pin injection molding plastic collar to eject, when the plastic collar is required to be injected in batches, a plurality of ejector pins are required to be arranged, the complexity of die manufacturing is increased, the ejector pins are adopted to eject the plastic collar, the outer surface of the plastic collar is easy to damage, the injection molding efficiency is reduced, and the actual application and operation are not facilitated.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and the plastic collar forming die of the automobile electric connector is provided with the ejection mechanism, so that the problems that the plastic collar is ejected by the ejector pin, the outer surface of the plastic collar is easily damaged and the injection molding efficiency is reduced are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the forming device comprises a lower die, an upper die, an ejection mechanism and a plastic clamping ring, wherein a first module is fixedly connected to the top of the lower die, forming rods are fixedly connected to the top of the first module at equal intervals, a second module is arranged on the top of the first module, the forming rods extend to the top of the second module, sliding grooves are symmetrically formed in the second module, a third module is fixedly connected to the bottom of the upper die, fixing rods are fixedly connected to two ends of the bottom of the third module, and a limiting plate is fixedly connected to the bottom of the fixing rods, extends to the inside of the sliding grooves and is in sliding connection with the sliding grooves;

through above-mentioned technical scheme, when plastic collar injection moulding drawing of patterns, through separating last mould and lower mould, drive limiting plate and dead lever simultaneously and slide along the inner wall of spout, when the limiting plate removes as far as the top of spout inner wall contacts, continue to remove and drive the second module and slide along the outside of shaping pole, utilize the second module to promote the plastic collar, break away from the top of shaping pole with the plastic collar, accomplish plastic collar injection moulding drawing of patterns operation, avoided adopting the ejecting plastic collar of thimble, the easy problem that causes the damage to the surface of plastic collar, injection molding efficiency has been improved.

Further, a pouring gate is formed in the top of the upper die, injection molding grooves are formed in the top of the third module, forming grooves are formed in the bottom of the third module at equal intervals, the forming grooves are communicated with the inside of the injection molding grooves, and the plastic retainer ring is formed by matching injection molding between the forming grooves and the forming rods;

through above-mentioned technical scheme, the injection molding machine is through runner to the inside injection molding raw materials of injection molding groove, and the inside of flowing to the shaping groove utilizes the cooperation between shaping pole and the shaping groove, forms the plastics rand model, accomplishes the operation of moulding plastics.

Further, an annular water tank is arranged inside the third module and positioned outside the injection molding tank;

through above-mentioned technical scheme, through setting up annular basin, be convenient for to its inside injection coolant liquid, the inside heat dissipation of mould accelerates plastics rand cooling shaping.

Further, the top of the third module is fixedly connected with a water injection pipe, the top of the water injection pipe extends to the top of the upper die, one side of the third module is fixedly connected with a water outlet pipe, and one ends of the water injection pipe and the water outlet pipe are both in threaded connection with a sealing cover;

through above-mentioned technical scheme, through opening the water injection pipe, pour into the coolant liquid into the inside of annular basin, after the use efficiency of coolant liquid is accomplished, through opening the outlet pipe, discharge the coolant liquid after using, then pour into new coolant liquid again.

Further, four corners of the top of the first module are fixedly connected with sliding bars, the second module is connected between the outer sides of the sliding bars in a sliding manner, four corners of the bottom of the third module are provided with positioning holes, and the top of the sliding bars extends to the inside of the positioning holes and is connected with the positioning holes in a sliding manner;

through above-mentioned technical scheme, through the cooperation between slide bar and the locating hole, the better opening and closing mould of being convenient for.

Further, the center of the top of the upper die is fixedly connected with an injection molding head, and the top of the injection molding head is provided with an arc-shaped groove;

through above-mentioned technical scheme, through setting up the head of moulding plastics to set up the circular arc groove at the top of the head of moulding plastics, the better laminating mutually with the aircraft nose of moulding plastics of being convenient for.

Further, the end face of the gate is round;

through above-mentioned technical scheme, through the terminal surface with the runner for circular, prevent the injection molding liquid refluence.

The utility model has the following beneficial effects:

according to the utility model, when the plastic collar is subjected to injection molding and demolding, the upper die and the lower die are separated, the limiting plate and the fixing rod are driven to slide along the inner wall of the chute, and when the limiting plate moves to be in contact with the top of the inner wall of the chute, the limiting plate continuously moves to drive the second module to slide along the outer side of the molding rod, the second module is utilized to push the plastic collar, so that the plastic collar is separated from the top of the molding rod, the injection molding and demolding operation of the plastic collar is completed, the problem that the plastic collar is easily damaged by ejecting the plastic collar by the ejector pin is avoided, and the injection molding efficiency is improved.

Drawings

Fig. 1 is a perspective view of a plastic collar molding die of an automotive electrical connector according to the present utility model;

fig. 2 is a front view of a plastic collar molding die of the automotive electrical connector according to the present utility model;

fig. 3 is a schematic diagram of a demolding state structure of a plastic collar molding mold of the automobile electric connector according to the present utility model;

fig. 4 is an enlarged view of a plastic collar molding die of the automotive electrical connector according to the present utility model at a in fig. 3.

Legend description:

1. a lower die; 2. a first module; 3. an ejection mechanism; 301. forming a rod; 302. a fixed rod; 303. a chute; 304. a limiting plate; 4. a second module; 5. an upper die; 6. a third module; 7. a gate; 8. an injection molding groove; 9. a forming groove; 10. an injection molding head; 11. an annular water tank; 12. a water injection pipe; 13. a water outlet pipe; 14. a slide bar; 15. positioning holes; 16. a plastic collar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: including lower mould 1, go up mould 5, ejection mechanism 3 and plastics rand 16, the top fixedly connected with first module 2 of lower mould 1, the top equidistance fixedly connected with shaping pole 301 of first module 2, the top of first module 2 is provided with second module 4, shaping pole 301 extends to the top of second module 4, spout 303 has been seted up to the inside symmetry of second module 4, the bottom fixedly connected with third module 6 of last mould 5, the equal fixedly connected with dead lever 302 in both ends of third module 6 bottom, the inside and fixedly connected with limiting plate 304 of extending to spout 303 in the bottom of dead lever 302, limiting plate 304 and spout 303 sliding connection.

In this embodiment, when the plastic collar 16 is injection molded and demolded, the upper die 5 and the lower die 1 are separated, and meanwhile, the limiting plate 304 and the fixing rod 302 are driven to slide along the inner wall of the chute 303, when the limiting plate 304 moves to contact with the top of the inner wall of the chute 303, the second module 4 is driven to slide along the outer side of the molding rod 301 by continuing to move, the plastic collar 16 is pushed by the second module 4, the plastic collar 16 is separated from the top of the molding rod 301, the injection molding and demolding operation of the plastic collar 16 is completed, the problem that the outer surface of the plastic collar is easily damaged due to ejection of the ejector pins is avoided, and the injection molding efficiency is improved.

The top of the upper die 5 is provided with a pouring gate 7, the top of the third die 6 is provided with an injection molding groove 8, the bottom of the third die 6 is provided with molding grooves 9 at equal intervals, the molding grooves 9 are communicated with the inside of the injection molding groove 8, a plastic retainer ring 16 is formed by matching injection molding between the molding grooves 9 and a molding rod 301, an injection molding machine injects injection molding raw materials into the inside of the injection molding groove 8 through the pouring gate 7 and flows into the inside of the molding groove 9, and a plastic retainer ring 16 model is formed by matching between the molding rod 301 and the molding groove 9, so that injection molding operation is completed; an annular water tank 11 is arranged in the third module 6 and positioned outside the injection molding groove 8, and cooling liquid is conveniently injected into the annular water tank 11 by arranging the annular water tank 11, so that the inside of the mold dissipates heat, and the cooling molding of the plastic clamping ring 16 is accelerated; the top of the third module 6 is fixedly connected with a water injection pipe 12, the top of the water injection pipe 12 extends to the top of the upper die 5, one side of the third module 6 is fixedly connected with a water outlet pipe 13, one ends of the water injection pipe 12 and the water outlet pipe 13 are both in threaded connection with a sealing cover, cooling liquid is injected into the annular water tank 11 by opening the water injection pipe 12, after the using efficacy of the cooling liquid is finished, the used cooling liquid is discharged by opening the water outlet pipe 13, and then new cooling liquid is injected again; the four corners at the top of the first module 2 are fixedly connected with slide bars 14, the second module 4 is in sliding connection between the outer sides of the slide bars 14, the four corners at the bottom of the third module 6 are provided with positioning holes 15, the top of the slide bars 14 extend to the inside of the positioning holes 15 and are in sliding connection with the positioning holes 15, and the mold can be opened and closed better through the cooperation between the slide bars 14 and the positioning holes 15; the center of the top of the upper die 5 is fixedly connected with an injection molding head 10, the top of the injection molding head 10 is provided with an arc-shaped groove, and the arc-shaped groove is arranged on the top of the injection molding head 10 so as to be convenient for being better attached to the injection molding head; the end face of the gate 7 is circular, and the injection molding liquid is prevented from flowing backward by rounding the end face of the gate 7.

Working principle:

the injection molding machine injects injection molding raw materials into the injection molding groove 8 through the gate 7 and flows into the molding groove 9, and a plastic collar 16 model is formed by utilizing the cooperation between the molding rod 301 and the molding groove 9, so that injection molding is completed;

when the plastic collar 16 is subjected to injection molding and demolding, the upper die 5 is separated from the lower die 1, the limiting plate 304 and the fixing rod 302 are driven to slide along the inner wall of the sliding groove 303, when the limiting plate 304 moves to be in contact with the top of the inner wall of the sliding groove 303, the second module 4 is driven to slide along the outer side of the molding rod 301, the plastic collar 16 is pushed by the second module 4, the plastic collar 16 is separated from the top of the molding rod 301, and the injection molding and demolding operation of the plastic collar 16 is completed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a plastics rand forming die of car electric connector, includes lower mould (1), goes up mould (5), ejection mechanism (3) and plastics rand (16), its characterized in that: the top fixedly connected with first module (2) of lower mould (1), the top equidistance fixedly connected with shaping pole (301) of first module (2), the top of first module (2) is provided with second module (4), shaping pole (301) extends to the top of second module (4), spout (303) have been seted up to the inside symmetry of second module (4), the bottom fixedly connected with third module (6) of last mould (5), the equal fixedly connected with dead lever (302) in both ends of third module (6) bottom, the inside and fixedly connected with limiting plate (304) of bottom extension to spout (303) of dead lever (302), limiting plate (304) and spout (303) sliding connection.

2. The plastic collar molding die of an automotive electrical connector of claim 1, wherein: the top of go up mould (5) has seted up runner (7), injection molding groove (8) have been seted up at the top of third module (6), shaping groove (9) have been seted up to the bottom equidistance of third module (6), shaping groove (9) communicate with each other with the inside of injection molding groove (8), plastics rand (16) are through cooperation injection molding between shaping groove (9) and shaping pole (301).

3. The plastic collar molding die of an automotive electrical connector of claim 1, wherein: an annular water tank (11) is arranged inside the third module (6) and located outside the injection molding groove (8).

4. A plastic collar molding die for an automotive electrical connector as in claim 3, wherein: the top fixedly connected with water injection pipe (12) of third module (6), the top of water injection pipe (12) extends to the top of upper die (5), one side fixedly connected with outlet pipe (13) of third module (6), the one end of water injection pipe (12) and outlet pipe (13) all threaded connection has sealed lid.

5. The plastic collar molding die of an automotive electrical connector of claim 1, wherein: the four corners at the top of the first module (2) are fixedly connected with slide bars (14), the second module (4) is connected between the outer sides of the slide bars (14) in a sliding mode, positioning holes (15) are formed in the four corners at the bottom of the third module (6), and the top of the slide bars (14) extends to the inner parts of the positioning holes (15) and is connected with the positioning holes (15) in a sliding mode.

6. The plastic collar molding die of an automotive electrical connector of claim 1, wherein: the center of the top of the upper die (5) is fixedly connected with an injection molding head (10), and the top of the injection molding head (10) is provided with an arc-shaped groove.

7. The plastic collar molding die of an automotive electrical connector of claim 2, wherein: the end face of the pouring gate (7) is round.