CN213321445U

CN213321445U - Injection mold for automobile high-pressure pipe

Info

Publication number: CN213321445U
Application number: CN202022251278.XU
Authority: CN
Inventors: 张兴亮
Original assignee: Sichuan Dingxi Auto Parts Co Ltd
Current assignee: Sichuan Dingxi Innovation Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-01
Anticipated expiration: 2030-10-10

Abstract

The utility model provides an automobile high-pressure tube injection mold, include from last runner plate that sets gradually extremely down, the top mould, mold core and die block, top mould and die block are to closing the back, the top mould, core mould and die block form a plurality of high-pressure tube die cavities jointly, be equipped with a plurality of injection orifices on the top mould, the upper end intercommunication top mould's of injection orifice top surface, the high-pressure tube die cavity that corresponds is connected to the injection orifice lower extreme, the downside of runner plate is equipped with multiunit runner group, be equipped with a plurality of feed ports on the runner plate, every group runner group is including four first runners, the corresponding feed port is all connected to the first end of four first runners, the second end of four first runners all is connected with two second runners, first runner is connected to the first end of second runner, the injection orifice is connected to the second end of second runner, all first runners, the length of all first runners is the same, the length of all second. Due to the adoption of the technical scheme, the utility model discloses can improve the finished product quality of high-pressure pipe, save manufacturing cost.

Description

Injection mold for automobile high-pressure pipe

Technical Field

The utility model belongs to the technical field of the mould, specifically a car high-pressure tube injection mold.

Background

At present, generally adopt injection mold to produce and make car high-pressure pipe, high-pressure pipe injection mold need be used when making the high-pressure pipe, high-pressure pipe injection mold includes from last runner plate that sets gradually extremely down, the top mould, mold core and die block, in order to guarantee production efficiency, all possess more high-pressure pipe die cavity on the current high-pressure pipe injection mold, every high-pressure pipe die cavity position all has the injection orifice of intercommunication high-pressure pipe die cavity and top mould up end, and only have a feed port that is located its middle part on the runner plate, the downside of runner plate has more runner, a feed port communicates the injection orifice that all high-pressure pipe die cavities correspond through the runner. Rubber raw materials are provided for all high-pressure pipe die cavities through a feeding hole, and the lengths of runners between the high-pressure pipe die cavities and the feeding hole at all positions on an injection die are different, so that the rubber raw materials cannot uniformly enter all high-pressure pipe die cavities, the quality of finished products of the high-pressure pipes is uneven, and the quality of the finished products of the high-pressure pipes is influenced; the runner between the high-pressure pipe die cavity at the edge of the injection die and the feed port is longer, more rubber raw materials can be accommodated, more raw materials can be wasted, and the production cost is wasted.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned prior art exists, the utility model provides a car high-pressure tube injection mold.

The utility model aims at realizing the technical proposal, which comprises a runner plate, a top die, a die core and a bottom die which are arranged in sequence from top to bottom, wherein after the top die and the bottom die are closed, the top die, the die core and the bottom die jointly form a plurality of independent and closed high-pressure pipe die cavities, a plurality of injection holes are arranged on the top die, the plurality of injection holes and the plurality of high-pressure pipe die cavities are in one-to-one correspondence, the upper ends of the injection holes are communicated with the top surface of the top die, the lower ends of the injection holes are connected with the corresponding high-pressure pipe die cavities, the lower side surface of the runner plate is provided with a plurality of runner groups, a plurality of feed holes are arranged on the runner plate, the plurality of feed holes and the plurality of runner groups are in one-to-one correspondence, each runner group comprises a first runner, the first ends of the four runners are all connected with the corresponding feed holes, and the second ends of the first runners, the first end of the second flow channel is connected with the first flow channel, the second end of the second flow channel is connected with the injection hole, the lengths of all the first flow channels are the same, and the lengths of all the second flow channels are the same.

Furthermore, the connecting position of the second flow passage and the first flow passage is in smooth transition.

Further, the core mold comprises a partition piece, and a plurality of core rods are symmetrically and fixedly arranged on two sides of the partition piece; the top die is provided with a first accommodating groove and a plurality of first die grooves, the first die grooves are symmetrically distributed on two sides of the first accommodating groove, and the first die grooves are directly opposite to the core rods one by one; the bottom die is provided with a second accommodating groove and a plurality of second die grooves, the second die grooves are symmetrically distributed on two sides of the second accommodating groove, and the second die grooves are directly opposite to the core rods one by one.

Further, the both sides of top mould all are equipped with first flange, the both sides of die block all are equipped with the second flange, first flange and second flange are just right one by one, the side of going up of second flange has set firmly buffer spring.

Furthermore, a plurality of guide posts are arranged on the top die, a plurality of guide holes matched with the guide posts are formed in the bottom die, and the guide posts are opposite to the guide holes one by one.

Since the technical scheme is used, the beneficial effects of the utility model are that:

1. the flow channel plate is provided with a plurality of feeding holes and a plurality of groups of flow channel groups, each feeding hole provides rubber raw materials for one group of flow channel group, each group of flow channel group provides rubber raw materials for eight high-pressure pipe die cavities through four first flow channels and eight second flow channels, the length of each first flow channel is the same, the length of each second flow channel is the same, the path length of the rubber raw materials entering from one feeding hole flowing into each high-pressure pipe die cavity is the same, the rubber raw materials can uniformly and respectively flow into each high-pressure pipe die cavity, the quality of the formed high-pressure pipe is stable, and the quality of finished products of the high-pressure pipe can be improved; to the high-pressure tube injection mold who has the high-pressure tube die cavity of the same quantity, set up a plurality of feed ports on the runner plate for only setting up a feed port on the runner plate, can realize dividing regional feed, can subtract the length of short runner, can reduce the rubber feedstock who holds in the runner, the utility model discloses can reduce the waste of raw and other materials, save manufacturing cost.

2. The connecting position of the second flow passage and the first flow passage is in smooth transition. The resistance of the connecting position of the first runner and the second runner to the rubber raw material can be reduced, and the rubber raw material can enter the high-pressure pipe die cavity more smoothly.

3. The both sides of top mould all are equipped with first flange, and the both sides of die block all are equipped with the second flange, and first flange and second flange are just right one by one, and the side of going up of second flange has set firmly buffer spring. When closing at top mould and die block, buffer spring plays the cushioning effect, can reduce the impact between top mould and the die block, can improve the utility model discloses a life.

4. The top die is provided with a plurality of guide posts, the bottom die is provided with a plurality of guide holes matched with the guide posts, and the guide posts are opposite to the guide holes one by one. The matching of the guide holes and the guide columns plays a role in guiding the involution of the top die and the bottom die, and the deviation of the involution of the top die and the bottom die can be reduced.

Drawings

Fig. 1 is a schematic structural view of an injection mold for an automotive high-pressure tube according to the present invention;

FIG. 2 is an enlarged view of a in FIG. 1;

FIG. 3 is a bottom view of a runner plate in an injection mold for a high pressure tube of an automobile according to the present invention;

fig. 4 is a bottom view of the top mold of the injection mold for high-pressure pipes of automobiles of the present invention.

In the figure, 1, a runner plate; 2. carrying out top die; 3. a mold core; 4. bottom die; 5. an injection hole; 6. a feed port; 7. a first flow passage; 8. a second flow passage; 9. a separator; 10. a core bar; 11. a first accommodating groove; 12. a first die cavity; 13. a second accommodating groove; 14. a second cavity; 15. a first convex plate; 16. a second convex plate; 17. a buffer spring; 18. a guide post; 19. and (4) a guide hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

As shown in fig. 1, 2 and 3, the present invention comprises a runner plate 1, a top mold 2, a mold core 3 and a bottom mold 4, which are sequentially arranged from top to bottom, after the top mold 2 and the bottom mold 4 are closed, the top mold 2, the mold core and the bottom mold 4 jointly form a plurality of independent and closed high pressure pipe mold cavities, the top mold 2 is provided with a plurality of injection holes 5, the plurality of injection holes 5 are in one-to-one correspondence with the plurality of high pressure pipe mold cavities, the upper ends of the injection holes 5 are communicated with the top surface of the top mold 2, the lower ends of the injection holes 5 are connected with the corresponding high pressure pipe mold cavities, the lower side of the runner plate 1 is provided with a plurality of runner groups, the runner plate 1 is provided with a plurality of feed holes 6, the plurality of feed holes 6 and the plurality of runner groups are in one-to-one correspondence, each runner group comprises four first runners 7, the first ends of the four first runners 7 are connected with the corresponding feed holes 6, the second ends of the four first runners 7 are connected with, the injection holes 5 correspond to the second flow channels 8 one by one, the second ends of the second flow channels 8 are connected with the injection holes 5, the lengths of all the first flow channels 7 are the same, and the lengths of all the second flow channels 8 are the same.

As shown in fig. 1 and 4, the core mold includes a partition 9, and a plurality of core bars 10 are symmetrically and fixedly provided at both sides of the partition 9; the top die 2 is provided with a first accommodating groove 11 and a plurality of first die grooves 12, the plurality of first die grooves 12 are symmetrically distributed on two sides of the first accommodating groove 11, and the plurality of first die grooves 12 are opposite to the plurality of core rods 10 one by one; the bottom die 4 is provided with a second accommodating groove 13 and a plurality of second die grooves 14, the second die grooves 14 are symmetrically distributed on two sides of the second accommodating groove 13, and the second die grooves 14 are opposite to the core rods 10 one by one. When the top die 2 and the bottom die 4 are closed, the first accommodating groove 11 and the second accommodating groove 13 form an accommodating cavity matched with the separating part 9, and the first die cavity 12, the separating part 9, the core rod 10 and the second die cavity 14 can jointly enclose a closed high-pressure pipe die cavity.

The flow channel plate 1 is provided with a plurality of feeding holes 6 and a plurality of groups of flow channel groups, each feeding hole 6 provides rubber raw materials for one group of flow channel groups, each group of flow channel groups provides rubber raw materials for eight high-pressure pipe die cavities through four first flow channels 7 and eight second flow channels 8, the lengths of the first flow channels 7 are the same, the lengths of the second flow channels 8 are the same, the lengths of paths of the rubber raw materials entering from one feeding hole 6 flowing into the high-pressure pipe die cavities are the same, the rubber raw materials can uniformly and respectively flow into the high-pressure pipe die cavities, the quality of a formed high-pressure pipe is stable, and the quality of a finished product of the high-pressure pipe can be improved; to the high-pressure tube injection mold who has the high-pressure tube die cavity of the same quantity, set up a plurality of feed ports 6 on flow field plate 1 and for only setting up a feed port 6 on flow field plate 1, can realize dividing regional feed, can subtract the length of short runner, can reduce the rubber materials who holds in the runner, the utility model discloses can reduce the waste of raw and other materials, save manufacturing cost.

As shown in fig. 3, the connecting position of the second flow passage 8 and the first flow passage 7 is in a smooth transition. The resistance of the connecting position of the first runner 7 and the second runner 8 to the rubber material can be reduced, and the rubber material can enter the high-pressure pipe cavity more smoothly.

As shown in fig. 1, two sides of the top mold 2 are provided with first protruding plates 15, two sides of the bottom mold 4 are provided with second protruding plates 16, the first protruding plates 15 and the second protruding plates 16 are opposite to each other, and the upper side surfaces of the second protruding plates 16 are fixedly provided with buffer springs 17. When closing at top mould 2 and die block 4, buffer spring 17 plays the cushioning effect, can reduce the impact between top mould 2 and the die block 4, can improve the utility model discloses a life.

As shown in fig. 1, the top mold 2 is provided with a plurality of guide posts 18, the bottom mold 4 is provided with a plurality of guide holes 19 adapted to the guide posts 18, and the guide posts 18 are opposite to the guide holes 19. The matching of the guide holes 19 and the guide columns 18 plays a role in guiding the involution of the top die 2 and the bottom die 4, and the deviation of the involution of the top die 2 and the bottom die 4 can be reduced.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. The utility model provides an automobile high-pressure tube injection mold which characterized in that: including from last runner plate, top mould, mold core and the die block that sets gradually extremely down, top mould and die block are to the back of closing, top mould, mold core and die block form a plurality of independent and confined high-pressure tube die cavitys jointly, be equipped with a plurality of injection holes on the top mould, a plurality of injection holes and a plurality of high-pressure tube die cavitys one-to-one, the top surface of top mould is communicate to the upper end of injection hole, the high-pressure tube die cavity that corresponds is connected to the injection hole lower extreme, the downside of runner plate is equipped with multiunit runner group, be equipped with a plurality of feed ports on the runner plate, a plurality of feed ports and multiunit runner group one-to-one, every group the runner group includes four first runners, four corresponding feed ports are all connected to the first end of first runner, four the second end of first runner all is connected with two second runners, first runner is connected to the first end of second runner, the second end connection injection hole of second runner, all the first flow passages are the same in length, and all the second flow passages are the same in length.

2. The injection mold for the high pressure tube of the automobile as set forth in claim 1, wherein: and the connecting position of the second flow passage and the first flow passage is in smooth transition.

3. The injection mold for the high pressure tube of the automobile as set forth in claim 1, wherein: the core mold comprises a partition piece, and a plurality of core rods are symmetrically and fixedly arranged on two sides of the partition piece; the top die is provided with a first accommodating groove and a plurality of first die grooves, the first die grooves are symmetrically distributed on two sides of the first accommodating groove, and the first die grooves are directly opposite to the core rods one by one; the bottom die is provided with a second accommodating groove and a plurality of second die grooves, the second die grooves are symmetrically distributed on two sides of the second accommodating groove, and the second die grooves are directly opposite to the core rods one by one.

4. The injection mold for the high pressure tube of the automobile as set forth in claim 1, wherein: the both sides of top mould all are equipped with first flange, the both sides of die block all are equipped with the second flange, first flange and second flange are just right one by one, the side of going up of second flange has set firmly buffer spring.

5. The injection mold for the high pressure tube of the automobile as set forth in claim 1, wherein: the top die is provided with a plurality of guide posts, the bottom die is provided with a plurality of guide holes matched with the guide posts, and the guide posts are opposite to the guide holes one by one.