CN215039969U

CN215039969U - Z-shaped guide rail structure of thin-wall high-rigidity automobile bumper mould

Info

Publication number: CN215039969U
Application number: CN202023055478.4U
Authority: CN
Inventors: 任伟华
Original assignee: Zhejiang Shuohao Science And Technology Co ltd
Current assignee: Zhejiang Shuohao Science And Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-12-07
Anticipated expiration: 2030-12-17
Also published as: WO2022127297A1

Abstract

The utility model provides a Z shape guide rail structure of high rigidity car bumper mould of thin wall belongs to injection moulding device technical field. It has solved the low scheduling problem of current car bumper mould drawing of patterns efficiency. This Z shape guide rail structure of high rigidity car bumper mould of thin wall, including movable mould and cover half, be formed with the shaping chamber between movable mould and the cover half, be provided with the fashioned inside groove of undercut on the cover half, be provided with the shaping piece in the inside groove, be formed with the shaping clearance between shaping piece one end lateral part and the inside groove, the lower extreme swing joint of shaping piece pushes away structural and can follow the structure lateral sliding that pushes away, the lower extreme that pushes away the structure is connected with the movable plate, when the movable plate drive pushes away the structure and carries out and be close to the movable mould motion, the shaping piece orientation is kept away from shaping clearance one side motion. The utility model has the advantages of high demoulding efficiency.

Description

Z-shaped guide rail structure of thin-wall high-rigidity automobile bumper mould

Technical Field

The utility model belongs to the technical field of injection moulding equipment, a Z shape guide rail structure of high rigidity car bumper mould of thin wall is related to.

Background

The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection mould is used for injecting heated and melted plastics into a mould cavity by an injection moulding machine at high pressure, and obtaining a formed product after cooling and solidification.

Automobile bumper structure is comparatively complicated, there are structures such as recess in the inside of box, need assist the shaping processing of realization to automobile bumper recess part through extra pellet, when injection moulding is accomplished to the product, need break away from the product from the mould and carry out drawing of patterns work, the present mould that is used for bumper product shaping mostly all designs pellet and ejection mechanism components of a whole that can function independently, the processing of loosing core is loosed to the pellet of elder generation, then it is ejecting to utilize ejection mechanism to carry out the product again, need additionally to increase a process of drawing of patterns, lead to work efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a Z shape guide rail structure of thin wall high rigidity car bumper mould for car is provided.

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

the utility model provides a Z shape guide rail structure of thin wall high rigidity car bumper mould for car, includes movable mould and cover half, movable mould and cover half between be formed with into the die cavity, its characterized in that, the cover half on be provided with the fashioned inside groove of undercut, the inside groove in be provided with the shaping piece, be formed with the shaping clearance between shaping piece one end lateral part and the inside groove, the lower extreme swing joint of shaping piece pushes away structural and can follow and push away the structure lateral sliding, the lower extreme that pushes away the structure is connected with the movable plate, works as when the movable plate drive pushes away the structure and carries out and be close to the movable mould motion, shaping piece orientation is kept away from shaping clearance one side motion.

In the Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould for the automobile, the pushing structure comprises a pushing rod and a pushing block, the lower end of the pushing rod is fixedly connected to the moving plate, the upper end of the pushing rod is connected to the lower end of the pushing block, and the forming block is connected to the pushing block in a sliding mode.

In the Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould for the automobile, the pushing block is provided with a transverse slideway, and the lower end of the forming block is provided with a sliding block matched with the slideway.

In the above Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mold for an automobile, the slide rail has a lower sliding portion and an upper contact portion, and the lower sliding portion and the upper contact portion are combined to make the cross section of the slide rail be in a convex shape.

In the above Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mold for an automobile, the molding block includes an upper molding portion and a lower connecting portion connected to the upper molding portion, the upper molding portion is accommodated in the inner groove, and the slider is connected to the bottom end of the lower connecting portion.

In the Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould for the automobile, the fixed mould is provided with a through hole for the lower connecting part to pass through, and the through hole is obliquely arranged on the fixed mould.

In the above Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mold for an automobile, the through hole is formed from a side close to the lower connecting portion to a side far away from the lower connecting portion.

In the above Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mold for an automobile, the top end surface of the molding block has the same arc shape as the upper surface of the fixed mold.

In the above Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mold for an automobile, the width of the lower connecting portion is greater than the width of the upper contact portion, and the bottom end surface of the lower connecting portion abuts against the top end surface of the ejector pad.

In the Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould for the automobile, the pushing block is provided with a fixing piece for connecting the pushing block and the pushing rod, the slide way is provided with a mounting hole which is sunken downwards and used for mounting the fixing piece, and the depth of the mounting hole is greater than the height of the fixing piece.

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

1. the utility model discloses the lower extreme that pushes away the structure is connected with the movable plate, and the upper end that pushes away the structure is connected with and is used for the fashioned shaping piece of product, and when movable plate drive pushed away the structure and carries out ejecting motion, shaping piece orientation was kept away from shaping clearance one side motion and is broken away from out from the product, had both accomplished ejecting process and had also accomplished the process of loosing core, promoted the holistic machining efficiency of mould.

2. The utility model discloses a be provided with the slide that the cross-section is type of calligraphy on the top ejector pad, the slider card of the lower extreme of shaping piece is gone into and is slided to the slide to this keeps gliding stability.

3. The utility model discloses the degree of depth that is used for installing the mounting hole of mounting is greater than the height of mounting, and during the mounting installation, whole holding in the mounting hole does not influence the normal slip of slider.

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 a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a connection structure of the molding blocks in the present invention.

Fig. 3 is a schematic view of the overall structure of the molding block of the present invention.

Fig. 4 is a structural diagram of the middle push rod of the present invention.

In the figure, 1, a moving die; 2. fixing a mold; 3. a molding cavity; 4. an inner tank; 5. forming a block; 6. A forming gap; 7. moving the plate; 8. pushing the push rod; 9. pushing the pushing block; 10. a slideway; 11. a slider; 12. a lower sliding part; 13. an upper contact portion; 14. an upper molding section; 15. a lower connecting portion; 16. perforating; 17. a fixing member; 18. mounting holes; 19. a pushing structure.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, a Z-shaped guide rail structure of a thin-wall high-rigidity automobile bumper mold for an automobile comprises a movable mold 1 and a fixed mold 2, a molding cavity 3 is formed between the movable mold 1 and the fixed mold 2, an inner groove 4 formed by downward sinking is formed in the fixed mold 2, a molding block 5 is arranged in the inner groove 4, a molding gap 6 is formed between the side part of one end of the molding block 5 and the inner groove 4, the lower end of the molding block 5 is movably connected to a pushing structure 19 and can slide transversely along the pushing structure 19, a movable plate 7 is connected to the lower end of the pushing structure 19, and when the movable plate 7 drives the pushing structure 19 to move close to the movable mold 1, the molding block 5 moves towards the side far away from the molding gap 6.

In this embodiment, the inner groove 4 on the fixed die 2 is matched with the molding block 5 to be used for molding the product concave structure, and when the product is molded completely, demolding and core pulling are needed to be performed on the part, at this time, the movable plate 7 is driven by the oil cylinder or the air cylinder to move towards one side of the movable die 1, the molding block 5 is utilized to perform ejection on the product, and in the upward moving process, the molding block 5 moves towards one side far away from the molding gap 6 and is separated from the product, so that the core pulling purpose is achieved.

In this embodiment, the pushing structure 19 includes a pushing rod 8 and a pushing block 9, the lower end of the pushing rod 8 is fixedly connected to the moving plate 7 and linked with the moving plate 7, the pushing force is provided for pushing the pushing rod to push upward during the movement process, and meanwhile, the forming block 5 is slidably connected to the pushing block 9.

Preferably, in order to improve the matching between the sliding of the forming block 5 and the pushing block 9, the pushing block 9 is provided with a slide way 10 opened in the horizontal direction, the lower end of the forming block 5 is provided with a slide block 11 matched with the slide way 10, the slide way 10 is provided with a lower sliding part 12 and an upper contact part 13, the lower sliding part 12 and the upper contact part 13 are combined to make the cross section of the slide way 10 in a convex shape, and the slide block 11 at the lower end of the forming block 5 is clamped into the slide way 10 to slide, so that the sliding stability is maintained.

In this embodiment, the forming block 5 includes an upper forming portion 14 and a lower connecting portion 15 connected to the upper forming portion 14, the upper forming portion 14 is accommodated in the inner groove 4, the slider 11 is connected to a bottom end of the lower connecting portion 15, a through hole 16 for the lower connecting portion 15 to pass through is formed in the fixed mold 2, the through hole 16 is obliquely formed in the fixed mold 2, and the through hole 16 is obliquely formed outward from a side of the lower connecting portion 15 to a side away from the lower connecting portion 15 in order to make the upper forming portion 14 more easily separate from a product.

In order to prevent the forming block 5 from scratching the surface of a product when the product is ejected, and from generating a recess or a protrusion, the top end surface of the forming block 5 has an arc shape which is the same as the upper surface of the fixed die 2.

In this embodiment, the width of the lower connecting portion 15 is greater than the width of the upper contact portion 13, the bottom end surface of the lower connecting portion 15 abuts against the top end surface of the pushing block 9, and the connection between the sliding block 11 and the sliding way 10 is further provided, so that the lower connecting portion 15 and the pushing block 9 are more tightly matched, and a movement gap is avoided.

Be provided with on the ejector pad 9 and be used for connecting the mounting 17 that ejector pad 9 and ejector pin 8 are connected, mounting 17 can be the bolt, offers the mounting hole 18 that undercut is used for the mounting of mounting 17 on the slide 10, and the degree of depth of mounting hole 18 is greater than the height of mounting 17, and during the mounting of mounting 17, whole holding in mounting hole 18 does not influence the normal slip of slider 11.

The utility model discloses a theory of operation does: after the fixed die 2 and the movable die 1 are covered, the molding cavity 3 is mainly used for molding the overall shape of a product, the inner groove 4 in the fixed die 2 is matched with the molding block 5 to mold a product concave structure, when the product is completely molded, demolding and core pulling treatment are needed to be carried out on the part, at the moment, the movable plate 7 is driven by the oil cylinder or the air cylinder to move towards one side of the movable die 1, the molding block 5 plays an ejecting role on the product, in the upward moving process, because the through hole 16 is obliquely arranged, when the ejector rod 8 vertically moves upwards, the upper molding part 14 of the molding block 5 can move along with the movement of the sliding block 11, the molding part moves towards one side far away from the molding gap 6 and is separated from the product, and the core pulling purpose is achieved.

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.

Although the terms of the movable mold 1, the fixed mold 2, the molding cavity 3, the inner groove 4, the molding block 5, the molding gap 6, the moving plate 7, the ejector pin 8, the ejector block 9, the slide 10, the slider 11, the lower slider 12, the upper contact portion 13, the upper molding portion 14, the lower connecting portion 15, the through hole 16, the fixing member 17, the mounting hole 18, the ejector structure 19, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. A Z-shaped guide rail structure of a thin-wall high-rigidity automobile bumper mould comprises a movable mould (1) and a fixed mould (2), a molding cavity (3) is formed between the movable mold (1) and the fixed mold (2), it is characterized in that an inner groove (4) which is formed by sinking downwards is arranged on the fixed die (2), a forming block (5) is arranged in the inner groove (4), a forming gap (6) is formed between the side part of one end of the forming block (5) and the inner groove (4), the lower end of the forming block (5) is movably connected with a pushing structure (19), the forming block (5) can slide along the pushing structure (19) transversely, the lower end of the pushing structure (19) is connected with a moving plate (7), when the moving plate (7) drives the pushing structure (19) to move close to the movable mold (1), the molding block (5) moves towards one side far away from the molding gap (6).

2. The Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould as claimed in claim 1, wherein the pushing structure (19) comprises a pushing rod (8) and a pushing block (9), the lower end of the pushing rod (8) is fixedly connected to the moving plate (7), the upper end of the pushing rod (8) is connected to the lower end of the pushing block (9), and the forming block (5) is slidably connected to the pushing block (9).

3. The Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould as claimed in claim 2, wherein a transverse slideway (10) is arranged on the pushing block (9), and a sliding block (11) matched with the slideway (10) is arranged at the lower end of the forming block (5).

4. The Z-shaped rail structure of the thin-walled high-rigidity automobile bumper mold according to claim 3, wherein the slide (10) has a lower sliding portion (12) and an upper contact portion (13), and the lower sliding portion (12) and the upper contact portion (13) are combined to make the cross section of the slide (10) in a convex shape.

5. The Z-shaped rail structure of a thin-walled high-rigidity bumper mold according to claim 4, wherein the molding block (5) comprises an upper molding portion (14) and a lower connecting portion (15) connected to the upper molding portion (14), the upper molding portion (14) is received in the inner groove (4), and the slider (11) is connected to a bottom end of the lower connecting portion (15).

6. The Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould as claimed in claim 5, wherein the fixed mould (2) is provided with a through hole (16) for the lower connecting part (15) to pass through, and the through hole (16) is obliquely arranged on the fixed mould (2).

7. The Z-shaped rail structure of the thin-walled high-rigidity automobile bumper mold according to claim 6, wherein the through hole (16) is formed obliquely outward from a side close to the lower connecting portion (15) to a side away from the lower connecting portion (15).

8. The Z-shaped rail structure of a thin-walled high-rigidity automobile bumper mold according to claim 1, wherein the top end surface of the molding block (5) has the same arc shape as the upper surface of the fixed mold (2).

9. The Z-shaped rail structure of the thin-walled high-rigidity automobile bumper mold according to claim 5, wherein the width of the lower connecting portion (15) is larger than the width of the upper contact portion (13), and the bottom end surface of the lower connecting portion (15) abuts against the top end surface of the ejector pad (9).

10. The Z-shaped guide rail structure of the thin-wall high-rigidity automobile bumper mould as claimed in claim 3, wherein a fixing piece (17) used for connecting the pushing block (9) with the pushing rod (8) is arranged on the pushing block (9), a mounting hole (18) which is recessed downwards and used for mounting the fixing piece (17) is formed in the slide way (10), and the depth of the mounting hole (18) is greater than the height of the fixing piece (17).