CN215882444U

CN215882444U - Forming die of wire harness support

Info

Publication number: CN215882444U
Application number: CN202122038538.XU
Authority: CN
Inventors: 吴银锋; 陈丹萍; 王定军
Original assignee: Ningbo Jianxin Baima Injection Molding Co ltd
Current assignee: Ningbo Jianxin Baima Injection Molding Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a forming die of a wire harness bracket, which comprises an upper die set and a lower die set, wherein the lower die set is provided with a lower die plate, the lower die plate is provided with a lower die core and sliding blocks positioned at two sides of the lower die core, the sliding blocks are provided with through holes, the lower die core is provided with an insert block, a lower forming table and a lower forming hole, the insert block is provided with a convex rib inserted into the through holes, and a part of the lower forming hole is internally provided with a lower insert; go up the mould group and include the cope match-plate pattern and go up the mould benevolence, go up the mould benevolence and be equipped with big mold insert, little mold insert, core pulling group is equipped with the spout of slope including the movable core pulling piece of establishing in last mould benevolence and the elevator that can reciprocate, core pulling piece, and core pulling piece is equipped with core pulling rod and the lug of slope, spout and lug sliding connection. The utility model has unique structure and ingenious design concept, and can smoothly realize the injection molding, core pulling and demoulding of the wire harness bracket.

Description

Forming die of wire harness support

Technical Field

The utility model relates to the field of injection molding, in particular to a forming mold of a wire harness support.

Background

The injection mold can be divided into a cold runner mold and a hot runner mold according to a pouring system, and is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a thermoforming mold, a hot pressing mold (compression mold), an injection mold, etc., wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by flash type; the loading and unloading mode can be divided into a movable mode and a fixed mode.

Fig. 1 shows a wire harness support 100, where the wire harness support 100 includes a first side hole 101, a second side hole 104, a side groove 102, a side rib 103, and the like, and the structure of the wire harness support 100 is complex, and a set of injection mold capable of molding the wire harness support 100 needs to be designed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a forming die of a wire harness support, wherein the wire harness support is formed in an upper die core and a lower die core in an injection molding mode, and smooth demolding can be realized by a sliding block and a core pulling group.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a forming die of a wire harness support comprises an upper die set and a lower die set, wherein the lower die set is provided with a lower die plate, the lower die plate is provided with a lower die core and sliding blocks positioned on two sides of the lower die core, each sliding block is provided with a through hole, each lower die core is provided with an insert block, a lower forming table and a lower forming hole, each insert block is provided with a convex rib inserted into the through hole, and a lower insert is arranged in part of the lower forming holes; go up the mould group include cope match-plate pattern and last mould benevolence, last mould benevolence be equipped with big mold insert, little mold insert, core pulling group establish core pulling block and the elevator that can reciprocate in last mould benevolence including the activity, the elevator be equipped with the spout of slope, core pulling block be equipped with core pulling rod and the lug of slope, spout and lug sliding connection.

As a further improvement of the utility model: the core pulling group also comprises a fixing plate and two upper inserts.

As a further improvement of the utility model: the core-pulling block and the lifting block are positioned between the two upper inserts, and the core-pulling rod transversely penetrates through the upper inserts.

As a further improvement of the utility model: the upper die core is provided with a cavity, and the fixing plate and the upper insert are fixedly arranged in the cavity. The fixing plate and the upper insert are fixedly arranged in the cavity by using bolts, and the fixing plate and the upper insert can be disassembled for maintenance and replacement by unscrewing the bolts at the later stage.

As a further improvement of the utility model: the upper template is provided with a slide hole, and the lifting block is movably arranged in the slide hole. The lifting block can move up and down in the sliding hole.

As a further improvement of the utility model: the upper module is provided with an oil cylinder which can drive the lifting block to move up and down. After the mold is separated, the oil cylinder can drive the lifting block to move upwards, and when the mold is closed, the oil cylinder drives the lifting block to move downwards.

As a further improvement of the utility model: the cross sections of the sliding groove and the convex block are both T-shaped. Therefore, after the lug is arranged in the sliding groove, the lug and the sliding groove can slide linearly but cannot be separated.

As a further improvement of the utility model: the upper insert is provided with a first upper forming column, and the large insert is provided with a second upper forming column and a core rod. The first upper molding column and the second upper molding column are used for molding the upper end structure of the wire harness support; the inner part of the large insert is provided with an inner hole, the core rod is filled in the inner hole (the total length of the core rod is shorter than the depth of the inner hole, so that a little inner hole space is left when most of the inner hole is blocked by the core rod), and the remaining inner hole space is used for forming an upper end structure of the wire harness support.

As a further improvement of the utility model: the upper die plate is provided with an inclined guide post inserted into the sliding block. When the die is separated, the slide block can move towards two sides under the guide of the inclined guide post.

As a further improvement of the utility model: the lower module is also provided with a top plate, a top rod and a buffer block. The top plate drives the ejector rod to move upwards so as to eject the wire harness support out of the lower mold core; in the process of combining the upper module and the lower module, the buffer block can reduce the impact force born by the upper module and the lower module.

The utility model has the advantages of unique structure, ingenious design concept and capability of smoothly realizing injection molding, core pulling and demolding of the wire harness bracket. The method comprises the following steps: the wire harness bracket is injected in the upper die core and the lower die core; the upper die core, the large insert and the small insert are used for forming an upper end structure of the wiring harness support, and the core pulling rod is used for forming a first side hole of the wiring harness support; the lower die core, the sliding block, the insert block, the lower forming table, the lower forming hole and the lower insert are used for forming a lower end structure of the wire harness support, and the convex rib of the insert block is used for forming a side rib of the wire harness support; after the mold is separated, the sliding block moves towards two sides, the sliding block is separated from a second side hole and a side groove of the wire harness support, the lifting block moves upwards, the protruding block slides in the sliding groove, and then the two core pulling blocks are driven by the lifting block to move towards the center, so that the end part of the core pulling rod is separated from the first side hole of the wire harness support, and core pulling is completed.

Drawings

FIG. 1 is a schematic view of a wire harness support;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the lower die set;

FIG. 4 is an exploded view of the upper module;

FIG. 5 is an exploded view of the core pack;

FIG. 6 is a schematic view of the core pulling group after the mold is opened (the lifting block moves upward, and the two core pulling blocks move toward the center);

FIG. 7 is a cross-sectional view of the upper module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-7: a forming die of a wire harness support comprises an upper die set 200 and a lower die set 300, wherein the lower die set 300 is provided with a lower die plate 302, the lower die plate 302 is provided with a lower die core 310 and sliding blocks 330 positioned on two sides of the lower die core 310, the sliding blocks 330 are provided with through holes 331, the lower die core 310 is provided with an insert block 320, a lower forming table 312 and a lower forming hole 311, the insert block 320 is provided with a convex rib 321 inserted into the through holes 331, and a lower insert 340 is arranged in part of the lower forming hole 311; the upper die set 200 comprises an upper die plate 210 and an upper die core 1, the upper die core 1 is provided with a large insert 2, a small insert 4 and a core pulling group 400, the core pulling group 400 comprises a core pulling block 6 movably arranged in the upper die core 1 and a lifting block 5 capable of moving up and down, the lifting block 5 is provided with an inclined sliding groove 51, the core pulling block 6 is provided with a core pulling rod 62 and an inclined convex block 61, and the sliding groove 51 is in sliding connection with the convex block 61. The utility model is provided with two injection molding cavities of the wire harness support 100, the two injection molded wire harness supports 100 are in mirror symmetry, the sliding block 330 is used for molding the second side hole 104 and the side groove 102 of the wire harness support 100, and the insertion block 320 is used for molding the side rib 103.

The core pack 400 further comprises a fixing plate 8 and two upper inserts 7. The upper insert 7 is used to mold the upper end structure of the wire harness bracket 100, and the fixing plate 8 is used to support the core block 6 upward.

The core-pulling block 6 and the lifting block 5 are located between the two upper inserts 7, the core-pulling rod 62 passing transversely through the upper inserts 7. The upper insert 7 is provided with a transverse hole, and the core pulling rod 62 can move left and right in the transverse hole; after the die assembly is carried out, the end part of the core rod 62 extends out of the transverse hole, and the end part of the core rod 62 is used for forming a first side hole 101 of the wire harness support 100; after the mold is split, the end of the core pulling rod 62 retracts into the transverse hole and then breaks away from the first side hole 101, so that the core pulling is completed.

The upper die core 1 is provided with a cavity 11, and the fixing plate 8 and the upper insert 7 are fixedly arranged in the cavity 11.

The upper template 210 is provided with a sliding hole 211, and the lifting block 5 is movably arranged in the sliding hole 211.

The upper die set 200 is provided with an oil cylinder 401 which can drive the lifting block 5 to move up and down.

The cross sections of the sliding groove 51 and the projection 61 are both T-shaped.

The upper insert 7 is provided with a first upper forming column 71 and the large insert 2 is provided with a second upper forming column 21 and a core rod 3.

The upper plate 210 is provided with the inclined guide post 220 inserted into the slider 330.

The lower module 300 is further provided with a top plate 301, a top rod 303 and a buffer block 304.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A forming die of a wire harness support comprises an upper die set and a lower die set, and is characterized in that the lower die set is provided with a lower die plate, the lower die plate is provided with a lower die core and sliding blocks positioned on two sides of the lower die core, each sliding block is provided with a through hole, each lower die core is provided with an insert block, a lower forming table and a lower forming hole, each insert block is provided with a convex rib inserted into the through hole, and a part of the lower forming holes are internally provided with lower inserts; go up the mould group include cope match-plate pattern and last mould benevolence, last mould benevolence be equipped with big mold insert, little mold insert, core pulling group establish core pulling block and the elevator that can reciprocate in last mould benevolence including the activity, the elevator be equipped with the spout of slope, core pulling block be equipped with core pulling rod and the lug of slope, spout and lug sliding connection.

2. The mold for forming a wire harness support according to claim 1, wherein the core-pulling set further comprises a fixing plate and two upper inserts.

3. The mold for molding a wire harness support according to claim 2, wherein the core-pulling block and the lifting block are located between two upper inserts, the core-pulling rod passing laterally through the upper inserts.

4. The mold for molding a wire harness support according to claim 2, wherein the upper mold core is provided with a cavity, and the fixing plate and the upper insert are fixedly installed in the cavity.

5. The forming die of the wire harness support according to claim 1, wherein the upper die plate is provided with a slide hole, and the lifting block is movably arranged in the slide hole.

6. The mold for molding a wire harness support according to claim 5, wherein the upper mold set is provided with an oil cylinder capable of driving the lifting block to move up and down.

7. The mold for molding a wire harness bracket according to claim 1, wherein the cross-sections of the sliding groove and the projection are both "T" shaped.

8. The mold of claim 2, wherein the upper insert has a first upper molding post, and the large insert has a second upper molding post and a core rod.

9. The mold for molding a wire harness support according to claim 1, wherein the upper mold plate is provided with an inclined guide post inserted into the slider.

10. The mold for molding a wire harness bracket according to claim 1, wherein the lower mold set is further provided with a top plate, a top rod and a buffer block.