CN213891017U

CN213891017U - Large-angle double-rod inclined ejection demoulding mechanism of automobile bumper mould

Info

Publication number: CN213891017U
Application number: CN202022470658.2U
Authority: CN
Inventors: 方智勇; 张军; 杨凯; 郑锋; 方艳; 金江峰; 方志卫; 牟静伟; 王霜
Original assignee: Taizhou Qiming Mould Co ltd
Current assignee: Taizhou Qiming Mould Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-06
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a car bumper mould wide-angle two pole angle top demoulding mechanism to one side belongs to mould technical field. The lower die is provided with a lower forming surface, a forming structure and a forming structure II are further arranged in the lower forming surface, two oblique jacking grooves are further formed in two sides of the lower die, and oblique jacking blocks are arranged in the oblique jacking grooves. The inclined demolding assembly can drive the inclined ejecting block to move obliquely upwards to separate a product from the lower mold, and the inclined ejecting block can move obliquely upwards to gradually separate the first core mold structure and the second core mold structure from the side portion of the product without independently pulling cores, so that the working efficiency is effectively improved.

Description

Large-angle double-rod inclined ejection demoulding mechanism of automobile bumper mould

Technical Field

The utility model belongs to the technical field of the mould, a car bumper mould wide-angle double-rod lifter demoulding mechanism is related to.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like; after the automobile bumper product is subjected to injection molding, the product needs to be subjected to core pulling and then demolding, and the efficiency is low.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses a side core-pulling injection mold [ application number: 202010710826.2], comprising a fixed die and a movable die, wherein the movable die is provided with a horizontal chute, a core-pulling slide block is matched in the horizontal chute in a sliding way, and an insert block pointing to the side surface of the core is arranged at the inner side of the core-pulling slide block; a hinge shaft is arranged on the outer side of the core-pulling slider, a swing rod is sleeved on the hinge shaft in a clearance mode, and a damping ring used for enabling the swing rod to overcome gravity to keep a swing angle is arranged between the hinge shaft and the swing rod; one end of the swing rod, which is far away from the hinge shaft, is provided with a linkage pin; one side of the fixed die is connected with a vertical rectangular frame through the convex mounting block, and the linkage pin is in sliding fit in the vertical rectangular frame; each vertical rectangular frame is composed of a T-shaped top pressure plate and a U-shaped frame, and an adjusting screw for changing the distance between an outer transverse plate of the T-shaped top pressure plate and the mounting block so as to clamp or loosen the U-shaped frame is arranged between an inner vertical plate of the T-shaped top pressure plate and the mounting block. The mold can realize the adjustable side core-pulling distance and the adjustable time interval between the side core-pulling action and the mold opening action, but the problems also exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a two pole angle ejector diagonal demoulding mechanism of car bumper mould wide-angle is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides an automobile bumper mould big-angle double-rod pushes up demoulding mechanism to one side, includes the lower mould, the lower mould on be equipped with down the profiled surface, and still be equipped with a shaping structure and No. two shaping structures in the profiled surface down, the lower mould both sides still be equipped with two oblique groove of pushing up, oblique inslot be equipped with oblique kicking block, oblique kicking block terminal surface on be equipped with big-angle inclined plane and the arc inclined plane of shaping surface looks adaptation down, oblique kicking block top still be equipped with the small-angle inclined plane that links to each other with big-angle inclined plane and arc inclined plane, big-angle inclined plane on be equipped with a mandrel structure, the arc inclined plane on be equipped with No. two mandrel structures, oblique kicking block bottom still even have oblique drawing of patterns subassembly.

In foretell car bumper mould wide-angle double-rod angle ejection demoulding mechanism, oblique drawing of patterns subassembly include two and fix the oblique ejector pin in oblique kicking block bottom, the lower mould in still be equipped with the oblique ejector pin groove that the slope set up and run through the lower mould, oblique ejector pin insert to oblique ejector pin inslot and with oblique ejector pin groove sliding connection.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the slope of the pitched roof rod groove is the same as that of the large-angle inclined plane.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the bottom of the pitched roof rod is further provided with a pitched roof rod connecting block, and the pitched roof rod connecting block is hinged to the pitched roof rod.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the first core mold structure comprises a first core module which protrudes outwards and is horizontally arranged, and the section of the first core module is circular.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the second core mold structure comprises a second core module which protrudes outwards and is horizontally arranged, and the section of the second core module is circular, and the diameter of the second core module is smaller than that of the first core module.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the pitched roof block is internally provided with a thread groove which is horizontally arranged, the first core module and the pitched roof block are detachably connected through threads, and the end part of the first core module protrudes out of the pitched roof block.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the first forming structure comprises two forming grooves which are inwards sunken and symmetrically arranged along the central line of the lower mold, and the bottom surfaces of the forming grooves are obliquely arranged.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, the second forming structure comprises two forming grooves which are inwards sunken and symmetrically arranged along the central line of the lower mold, and the bottoms of the second forming grooves are horizontally arranged.

In the large-angle double-rod pitched roof demolding mechanism for the automobile bumper mold, a third core module protruding outwards is further arranged at the joint of the large-angle inclined plane and the arc-shaped inclined plane.

Compared with the prior art, the utility model has the advantages of:

1. a shaping structure and No. two shaping structures can form the cell body on the product when moulding plastics, the wide-angle inclined plane, arc inclined plane and low-angle inclined plane can form the slope curb plate at the product lateral part, a mandrel structure and No. two mandrel structures can form the connecting hole on the slope curb plate of product, can reduce later stage drilling process, improve work efficiency, oblique drawing of patterns subassembly can drive oblique kicking block to the top motion messenger product and lower mould break away from, and the kicking block to the top motion can make a mandrel structure and No. two mandrel structures break away from with the product lateral part gradually to one side, need not independently to loose core, work efficiency has effectively been improved.

2. The bottom of the oblique ejector rod is externally connected with a driving mechanism, the driving mechanism can drive the oblique ejector rod to move upwards along an oblique ejector rod groove which is obliquely arranged so as to eject and demold a product, and the oblique ejector block moves upwards obliquely so as to enable the first core mold structure and the second core mold structure to be separated from the side part of the product gradually, so that core pulling is not needed independently, and the working efficiency is effectively improved.

3. The oblique ejector rod connecting block can be detachably connected with an external driving mechanism through a plurality of bolts, the driving mechanism can drive the oblique ejector rod connecting block to lift along the vertical direction, and the oblique ejector rod connecting block and the oblique ejector rod are hinged to move upwards along an oblique ejector rod groove which is obliquely arranged all the time when the oblique ejector rod connecting block lifts along the vertical direction.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is an exploded schematic view provided by the present invention;

fig. 2 is a schematic diagram of the overall structure provided by the present invention;

FIG. 3 is a schematic diagram of the construction of a diagonal stripper assembly.

Detailed Description

As shown in fig. 1-3, a two pole angle lifter demoulding mechanism of car bumper mould wide-angle, including lower mould 1, lower mould 1 on be equipped with down profiled surface 2, and still be equipped with a profiled structure 3 and No. two profiled structures 4 in the profiled surface 2 down, 1 both sides of lower mould still be equipped with two angle lifter grooves 5, angle lifter groove 5 in be equipped with

angle lifter

6, 6 terminal surfaces of angle lifter on be equipped with wide-angle inclined plane 7 and the arc inclined plane 8 of 2 looks adaptations of lower profiled surface, 6 tops of angle lifter still be equipped with the inclined plane 9 that links to each other with wide-angle inclined plane 7 and arc inclined plane 8, wide-angle inclined plane 7 on be equipped with a mandrel structure 10, arc inclined plane 8 on be equipped with No. two

mandrel structures

11, 6 bottoms of angle lifter still even have oblique drawing of patterns subassembly 12.

In this embodiment, No. 3 shaping structures and No. 4 shaping structures can form the cell body on the product when moulding plastics, wide-angle inclined plane 7, arc inclined plane 8 and low-angle inclined plane 9 can form the slope curb plate at the product lateral part, No. 10 mandrel structures and No. two mandrel structures 11 can form the connecting hole on the slope curb plate of product, can reduce later stage drilling process, and work efficiency is improved, oblique drawing of patterns subassembly 12 can drive oblique kicking block 6 and make product and lower mould break away from to the top motion, and the kicking block 6 moves to the top to the side can make a mandrel structure 10 and No. two mandrel structures 11 break away from with the product lateral part gradually, need not independently to loose core, and work efficiency is effectively improved.

Preferably, as shown in fig. 1-3, the inclined demolding assembly 12 includes two inclined ejector rods 13 fixed at the bottom of the inclined ejector block 6, an inclined ejector rod groove 14 is further provided in the lower mold 1 and penetrates through the lower mold 1, and the inclined ejector rods 13 are inserted into the inclined ejector rod groove 14 and slidably connected with the inclined ejector rod groove 14. The bottom of the inclined ejector rod 13 is externally connected with a driving mechanism, the driving mechanism can drive the inclined ejector rod 13 to move upwards along an inclined ejector rod groove 14 which is obliquely arranged so as to eject a product out of a mold, and the inclined ejector block 6 moves upwards obliquely so as to enable the first core mold structure 10 and the second core mold structure 11 to be gradually separated from the side part of the product, so that independent core pulling is not needed, and the working efficiency is effectively improved.

Preferably, as shown in fig. 1-3, the slope of the slanted ejecting rod groove 14 is the same as that of the large-angle slanted surface 7, so as to avoid the damage of the side plate of the product caused by the pressing on the side wall of the product during demolding. .

Preferably, as shown in fig. 1-3, the bottom of the oblique mandril 13 is further provided with an oblique mandril connecting block 15, and the oblique mandril connecting block 15 is hinged with the oblique mandril 13. The oblique ejector rod connecting block 15 is detachably connected with an external driving mechanism through a plurality of bolts, the driving mechanism can drive the oblique ejector rod connecting block 15 to lift along the vertical direction, and the oblique ejector rod connecting block 15 is hinged with the oblique ejector rod 13 and can move upwards along an oblique ejector rod groove 14 which is obliquely arranged all the time when the oblique ejector rod connecting block 15 lifts along the vertical direction.

Preferably, as shown in fig. 1 to 3, the core module number one 10 includes a core module number one 16 protruding outward and horizontally disposed, the core module number one 16 has a circular cross section, and the core module number one 16 can form a circular connecting hole on a product.

Preferably, as shown in fig. 1 to 3, the second core mold structure 11 includes a second core module 17 protruding outward and horizontally disposed, a cross section of the second core module 17 is circular, a diameter of the second core module 17 is smaller than a diameter of the first core module 16, the second core module 17 can form a circular connecting hole on a product, and an inner diameter of the connecting hole is smaller than that of the first core module 16 to form a circular connecting hole on the product.

Preferably, as shown in fig. 1-3, a horizontally arranged threaded groove 18 is further formed in the pitched roof block 6, the core module number one 16 is detachably connected with the pitched roof block 6 through threads, and the end of the core module number one 16 protrudes out of the pitched roof block 6. The core module I16 is detachably connected with the thread groove 18 through threads, so that the core module I can be conveniently detached and replaced, and the cost of the core module I16 in the case of damage is reduced.

Preferably, as shown in fig. 1-3, the first forming structure 3 includes two first forming grooves 19 recessed inwards and symmetrically arranged along the central line of the lower die 1, the bottom surfaces of the first forming grooves 19 are arranged obliquely, and the first forming grooves 19 can form rectangular grooves with obliquely arranged bottoms on the product.

Preferably, as shown in fig. 1-3, the second forming structure 4 includes two second forming grooves 20 recessed inwards and symmetrically arranged along a central line of the lower die 1, the bottoms of the second forming grooves 20 are horizontally arranged, and the second forming grooves 20 can form rectangular grooves with horizontally arranged bottoms on a product.

Preferably, as shown in fig. 1-3, a third core module 21 protruding outwards is further disposed at the connection position of the large-angle inclined surface 7 and the arc-shaped inclined surface 8, the third core module 21 can form a connection hole with a rectangular cross section on a product, and the third core module 21 can automatically separate from the lower die when the inclined ejector block drives the product to be demolded.

The utility model discloses a theory of operation is: the first forming structure 3 and the second forming structure 4 can form a groove body on a product during injection molding, the large-angle inclined surface 7, the arc-shaped inclined surface 8 and the small-angle inclined surface 9 can form an inclined side plate on the side part of the product, the first core mold structure 10 and the second core mold structure 11 can form a connecting hole on the inclined side plate of the product, the later-stage drilling process can be reduced, the working efficiency is improved, the inclined demolding assembly 12 can drive the inclined ejecting block 6 to move obliquely upwards to separate the product from a lower mold, the inclined ejecting block 6 can drive the first core mold structure 10 and the second core mold structure 11 to gradually separate from the side part of the product without independently pulling cores, the working efficiency is effectively improved, the bottom of the inclined ejecting rod 13 is externally connected with a driving mechanism, the driving mechanism can drive the inclined ejecting and demolding of the product upwards along the inclined ejecting rod groove 14 which is obliquely arranged, and the inclined ejecting block 6 can drive the first core mold structure 10 and the second core mold structure 11 to gradually separate from the side part of the product, need not independently to loose core, work efficiency has effectively been improved, oblique ejector pin connecting block 15 can dismantle with external actuating mechanism through a plurality of bolts and be connected, actuating mechanism can drive oblique ejector pin connecting block 15 and go up and down along vertical direction, oblique ejector pin connecting block 15 can be along the 14 upward movements in oblique ejector pin groove that the slope set up all the time when oblique ejector pin connecting block 15 goes up and down along vertical direction with oblique ejector pin 13 articulated, No. three core module 21 can form the connecting hole that the cross-section is the rectangle on the product, and when the drawing of patterns of oblique ejector pin drive product, No. three core module 21 can break away from with the lower mould automatically.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an automobile bumper mould big-angle double-rod angle ejection demoulding mechanism, includes lower mould (1), its characterized in that, lower mould (1) on be equipped with down profiled surface (2), still be equipped with one shaping structure (3) and No. two shaping structures (4) in profiled surface (2) down, lower mould (1) both sides still be equipped with two angle groove (5), angle groove (5) in be equipped with angle kicking block (6), angle kicking block (6) terminal surface on be equipped with big-angle inclined plane (7) and arc inclined plane (8) of lower profiled surface (2) looks adaptation, angle kicking block (6) top still be equipped with small-angle inclined plane (9) that link to each other with big-angle inclined plane (7) and arc inclined plane (8), big-angle inclined plane (7) on be equipped with a mandrel structure (10), arc inclined plane (8) on be equipped with No. two mandrel structures (11), the bottom of the inclined ejector block (6) is also connected with an inclined demoulding component (12).

2. The large-angle double-rod pitched roof demoulding mechanism of an automobile bumper mould according to claim 1, characterized in that the pitched roof demoulding assembly (12) comprises two pitched roof rods (13) fixed at the bottom of the pitched roof block (6), a pitched roof rod groove (14) which is obliquely arranged and penetrates through the lower mould (1) is further arranged in the lower mould (1), and the pitched roof rods (13) are inserted into the pitched roof rod groove (14) and are slidably connected with the pitched roof rod groove (14).

3. The high angle double-pole pitched roof demolding mechanism of the automobile bumper mold according to the claim 2, characterized in that, the slope of the pitched roof bar groove (14) is the same as the slope of the high angle inclined plane (7).

4. The large-angle double-rod pitched roof demoulding mechanism of an automobile bumper mould according to claim 3, characterized in that the bottom of the pitched roof bar (13) is further provided with a pitched roof bar connecting block (15), and the pitched roof bar connecting block (15) is hinged with the pitched roof bar (13).

5. The large angle double-pole angle ejection mechanism of automobile bumper mold according to claim 4, wherein the first core mold structure (10) comprises a horizontally disposed first core module (16) protruding outwards, and the section of the first core module (16) is circular.

6. The large-angle double-rod pitched roof demolding mechanism of an automobile bumper mold according to claim 5, characterized in that, the second core mold structure (11) comprises a second core module (17) which protrudes outwards and is horizontally arranged, the section of the second core module (17) is circular, and the diameter of the second core module (17) is smaller than that of the first core module (16).

7. The large-angle double-rod pitched roof demolding mechanism of the automobile bumper mold according to claim 6, characterized in that a horizontally arranged thread groove (18) is further arranged in the pitched roof block (6), the first core module (16) is detachably connected with the pitched roof block (6) through threads, and the end part of the first core module (16) protrudes out of the pitched roof block (6).

8. The large-angle double-rod pitched roof demolding mechanism of an automobile bumper mold according to claim 7, characterized in that, the first molding structure (3) comprises two first molding grooves (19) which are inwards concave and symmetrically arranged along the central line of the lower mold (1), and the bottom surfaces of the first molding grooves (19) are obliquely arranged.

9. The large-angle double-rod pitched roof demolding mechanism of an automobile bumper mold according to claim 8, characterized in that, the second molding structure (4) comprises two second molding grooves (20) which are inwards concave and symmetrically arranged along the central line of the lower mold (1), and the bottoms of the second molding grooves (20) are horizontally arranged.

10. The large-angle double-rod pitched roof demolding mechanism of the automobile bumper mold according to claim 9, characterized in that a third core module (21) protruding outwards is further arranged at the joint of the large-angle inclined plane (7) and the arc-shaped inclined plane (8).