CN216182030U

CN216182030U - Demolding system for air spring buffer block

Info

Publication number: CN216182030U
Application number: CN202122687468.0U
Authority: CN
Inventors: 卢振雄; 胡白杨; 廖清波; 张春龙
Original assignee: Wanli Tire Corp ltd
Current assignee: Wanli Tire Corp ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a mold stripping system of an air spring buffer block, which comprises a mold mechanism, a connecting assembly, a hinge assembly and a top frame mechanism, wherein the mold mechanism comprises an upper template, an upper stripping plate, a middle template and a lower template; a plurality of mould cavities are formed between the middle template and the lower template, and the upper template is provided with a forming lug; the connecting assembly is provided with a first sliding groove, the upper stripping plate is provided with a first pin shaft, and the first pin shaft is connected in the first sliding groove in a sliding manner; the top frame mechanism comprises a bottom plate and a top plate assembly arranged on the upper end surface of the bottom plate; the demolding system is provided with a plurality of layers of templates, the upper template is separated from the upper demolding plate, the formed bumps are separated, the workpiece is adhered to the middle mold, and the workpiece is ejected by the ejection frame mechanism to complete demolding of the workpiece; compared with the mold stripping device in the prior art, the mold stripping system can realize the mold stripping of the workpiece without spraying a mold release agent, optimize the mold stripping process, improve the production efficiency, reduce the production cost and simultaneously ensure the health condition of operators.

Description

Demolding system for air spring buffer block

Technical Field

The utility model relates to the field of molds, in particular to a mold stripping system for an air spring buffer block.

Background

The conventional structure of the air spring buffer block has an inverted buckle position in an inner hole. When the die is opened after the buffer block is vulcanized, the buffer block is stuck on the upper die core or the middle die cavity depending on the clamping force of the inner hole reverse buckle and the adhesive force of the die cavity. Typically, when ultra-high hardness compounds are used for production, both of these conditions occur simultaneously during demolding.

The existing mold is generally designed into a three-layer plate structure, the buffer block is adhered to the middle mold after being vulcanized by spraying a mold release agent on the upper mold, and the buffer block is ejected out of the middle mold by using a vulcanizing machine 3RT structure. However, the method cannot avoid the phenomenon that the mold cores are occasionally stuck on the upper mold, and the mold cores need to be manually pried down by a crowbar, so that the operation is troublesome; and the spray release agent is often sprayed, which has adverse effect on the personal health of staff.

In view of this, it is necessary to improve the mold stripping device in the prior art to solve the technical problem that the mold stripping agent needs to be sprayed when the workpiece is stripped.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a demolding system for an air spring buffer block, which solves the technical problems.

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

an air spring bumper stripping system comprising:

the die mechanism comprises an upper die plate, an upper stripper plate, a middle die plate and a lower die plate which are sequentially arranged in a separated mode from top to bottom; a plurality of mould cavities are formed between the middle template and the lower template, the upper template is provided with a forming lug, and one end of the forming lug penetrates through the upper stripper plate and extends into the mould cavities;

one end of the connecting component is fixedly connected to the upper template; the connecting assembly is provided with a first sliding groove in the vertical direction, the upper stripping plate is provided with a first pin shaft, and the first pin shaft is connected in the first sliding groove in a sliding manner;

the two ends of the hinge assembly are respectively hinged with the upper template and the middle template;

the top frame mechanism comprises a bottom plate and a top plate assembly arranged on the upper end surface of the bottom plate; the top plate assembly corresponds to the molding cavity and is used for extending into the molding cavity to eject a workpiece.

Optionally, the die further comprises two middle die supports, and the two middle die supports are hinged to the two sides of the upper die plate through pin shafts respectively.

Optionally, the hinge assembly includes a first connecting rod and a second connecting rod, a first end of the first connecting rod is hinged to the upper mold plate, and a second end of the first connecting rod is provided with a second chute;

and a second pin shaft is arranged at the first end of the second connecting rod, the second pin shaft is connected in the second sliding groove in a sliding manner, and the second end of the second connecting rod is hinged on the middle template.

Optionally, the method further includes:

and the elastic assembly is arranged between the upper template and the middle template, and one end of the elastic assembly is fixedly arranged on the upper stripping plate and is used for pushing the upper stripping plate to be separated from the upper template.

Optionally, the elastic assembly comprises an L-shaped plate and a spring, and one end of the L-shaped plate is fixedly mounted on the upper stripping plate; a first end of the spring is mounted on the L-shaped plate, and a second end of the spring faces the upper template and is elastically abutted against the upper template;

the L plate is provided with a guide post, and the spring is sleeved outside the guide post.

Optionally, the method further includes:

the roller support is arranged side by side with the lower template and comprises a frame edge and a plurality of rollers rotatably connected to the frame edge, and the top ends of the rollers are abutted to the top frame mechanism and used for guiding the top frame mechanism to slide.

Optionally, the diameter of the roller is larger than the thickness of the lower template.

Optionally, a first positioning block is arranged on one side of the lower template, which is far away from the roller support, and the first positioning block is used for limiting the top frame mechanism; a first positioning hole is formed in the bottom surface of the middle template at a position corresponding to the first positioning block, and the first positioning hole is used for accommodating the first positioning block;

the top surface of the bottom plate is provided with a second positioning block, a second positioning hole is formed in the bottom surface of the middle template corresponding to the second positioning block, and the second positioning hole is used for containing the second positioning block.

Compared with the prior art, the utility model has the following beneficial effects: the demolding system is provided with a plurality of layers of templates, the upper template is separated from the upper demolding plate, the formed bumps are separated, the workpiece is adhered to the middle mold, and the workpiece is ejected by the ejection frame mechanism to complete demolding of the workpiece; the demolding system can realize workpiece demolding without spraying demolding agent, optimize demolding process, raise production efficiency, lower production cost and ensure the health condition of the operator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the utility model, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the utility model without affecting the effect and the achievable purpose of the utility model.

FIG. 1 is a schematic structural diagram of the present demolding system during mold opening;

FIG. 2 is a schematic view of the mold stripping system in mold clamping;

FIG. 3 is a schematic structural diagram of a mold mechanism of the present demolding system;

FIG. 4 is a schematic side view of the mold stripping system during mold opening;

fig. 5 is a schematic top view of the mechanism and roller support of the present demolding system.

Illustration of the drawings: the die mechanism 1, the upper die plate 11, the upper stripper plate 12, the middle die plate 13, the lower die plate 14, the molding cavity 15, the molding lug 16, the connecting assembly 2, the first sliding groove 21, the first pin 22, the hinge assembly 3, the top frame mechanism 4, the bottom plate 41, the top plate assembly 42, the middle die support 5, the first connecting rod 31, the second connecting rod 32, the second sliding groove 33, the second pin 34, the elastic assembly 6, the L-shaped plate 61, the spring 62, the guide pillar 63, the roller support 7, the frame edge 71, the roller 72, the first positioning block 17, the second positioning block 43 and the second positioning hole 131.

Detailed Description

In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment of the utility model provides a mold stripping system for an air spring buffer block, which comprises:

the mould mechanism 1 comprises an upper template 11, an upper stripper plate 12, a middle template 13 and a lower template 14 which are sequentially arranged in a separated manner from top to bottom; a plurality of molding cavities 15 are formed between the middle template 13 and the lower template 14, the upper template 11 is provided with molding bumps 16, and one ends of the molding bumps 16 penetrate through the upper stripper plate 12 and extend into the molding cavities 15; wherein, a workpiece, namely an air spring buffer block, is arranged in the cavity 15;

the connecting assembly 2 is fixedly connected to the upper template 11 at one end; the connecting assembly 2 is provided with a first sliding groove 21 along the vertical direction, the upper stripper plate 12 is provided with a first pin shaft 22, and the first pin shaft 22 is connected in the first sliding groove 21 in a sliding manner;

a hinge assembly 3, both ends of which are hinged with the upper template 11 and the middle template 13, respectively;

the top frame mechanism 4 comprises a bottom plate 41 and a top plate assembly 42 arranged on the upper end surface of the bottom plate 41; the top plate assembly 42 corresponds to the die cavity 15, and the top plate assembly 42 is used for extending into the die cavity 15 to eject a workpiece.

The working principle of the utility model is as follows: when the mold opening is started, the upper stripper plate 12 is driven to be separated from the upper mold plate 11, and the first pin shaft 22 is driven to slide downwards to a preset position along the first chute 21 under the action of gravity; at this time, the molding projections 16 are separated from the workpiece in the molding cavities 15, so that the workpiece is adhered to the middle mold plate 13;

opening the die and continuing descending, wherein the middle template 13 drives the workpiece to fall under the action of gravity and drives the hinge assembly 3 to rotate to the vertical direction, so that the middle template 13 is hung in the air;

after the mold opening is completed and the mold is descended to the proper position, the top frame mechanism 4 is pushed to the top surface of the lower template 14, so that the top plate assembly 42 corresponds to the mold cavity 15;

and (3) closing the die and moving upwards, driving the lower template 14 to drive the upper frame mechanism 4 to move upwards to a preset height, and ejecting the workpiece out of the die cavity 15 by the top plate assembly 42.

The demolding system is provided with a plurality of layers of templates, the upper template 11 is separated from the upper demolding plate 12, the forming bump 16 is separated, a workpiece is adhered to the middle mold, and the workpiece is ejected by the ejecting frame mechanism 4 to complete demolding of the workpiece; compared with the mold stripping device in the prior art, the mold stripping system can realize the mold stripping of the workpiece without spraying a mold release agent, optimize the mold stripping process, improve the production efficiency, reduce the production cost and simultaneously ensure the health condition of operators.

As a preferable scheme of this embodiment, the demolding system further includes two middle mold supports 5, and the two middle mold supports 5 are respectively hinged to two side portions of the upper mold plate 11 through pin shafts.

When the die is closed and the workpiece is ejected upwards, two conditions exist, namely, the gravity of the middle template 13 is large enough, and the workpiece can be directly ejected from the middle template 13 by the upward movement of the top frame mechanism 4; secondly, the adhesion of the workpiece is too large, when the top frame mechanism 4 jacks the workpiece upwards, the middle template 13 is driven to move upwards, until the middle template 13 is jacked and stopped by the middle template bracket 5, the top frame mechanism 4 continues to rise to jack the workpiece to be separated from the middle template 13, and the mold stripping is completed.

This demolding system is used for spacingly through setting up well mould support 5 well template 13 guarantees that work piece demolding can smoothly accomplish the demolding, avoids the condition that the work piece blocked.

Further illustratively, the hinge assembly 3 includes a first link 31 and a second link 32, a first end of the first link 31 is hinged to the upper mold plate 11, and a second end of the first link 31 is provided with a second sliding slot 33;

a second pin shaft 34 is arranged at a first end of the second connecting rod 32, the second pin shaft 34 is connected in the second sliding groove 33 in a sliding manner, and a second end of the second connecting rod 32 is hinged to the middle template 13.

During operation, the middle template 13 drives the workpiece to fall under the action of gravity, the hinge assembly 3 is driven to rotate, and the first connecting rod 31 and the second connecting rod 32 respectively rotate towards the vertical direction, so that the distance between the upper template 11 and the middle template 13 is changed. The second sliding groove 33 is provided, that is, the second pin 34 can rotate relative to the first link 31 and can slide along the second sliding groove 33, so that the first link 31 and the second link 32 have a certain space margin, and the occurrence of a jamming condition during rotation is avoided.

In this embodiment, the demolding system further includes:

and the elastic assembly 6 is arranged between the upper template 11 and the middle template 13, and one end of the elastic assembly is fixedly arranged on the upper stripping plate 12 and is used for pushing the upper stripping plate 12 to be separated from the upper template 11.

The elastic assembly 6 is arranged for driving the upper stripping plate 12 to separate from the upper template 11; when the mold mechanism 1 is in a mold closing and vulcanizing state, the elastic component 6 is in a compressed state and has elastic potential energy of extension; therefore, at the beginning of opening the mold, the elastic assembly 6 can provide a downward pushing force to act on the upper mold plate 11, and drive the upper stripper plate 12 to be separated from the upper mold plate 11.

Meanwhile, the work piece is ensured to be adhered to the middle template 13 through the reverse thrust action and the gravity action of the elastic component 6, and the stability of the demolding process is improved.

Specifically, the elastic assembly 6 includes an L-plate 61 and a spring 62, and one end of the L-plate 61 is fixedly mounted on the upper stripping plate 12; a first end of the spring 62 is mounted on the L-plate 61, and a second end of the spring 62 faces the upper die plate 11 and elastically abuts against the upper die plate 11;

wherein, a guide post 63 is installed on the L-plate 61, and the spring 62 is sleeved outside the guide post 63. The guide pillar 63 plays a role in guiding the spring 62, so that the problem of failure caused by deflection when the spring 62 is compressed is avoided, and the stability of the spring 62 is improved.

It should be noted that the demolding system is not limited to the structure using the spring 62, and may also use a compression spring to provide a spontaneous elastic force acting on the upper stripping plate 12.

In this embodiment, the demolding system further includes:

the roller support 7 is arranged side by side with the lower template 14 and comprises a frame edge 71 and a plurality of rollers 72 which are rotatably connected to the frame edge 71, and the top ends of the rollers 72 are abutted to the top frame mechanism 4 and used for guiding the top frame mechanism 4 to slide.

The roller support 7 is arranged to facilitate pushing the top frame mechanism 4 into the top surface of the lower template 14, so as to play a role in guiding; meanwhile, friction force is reduced through a rolling friction mode with the rolling shaft 72, and the service life of the top frame mechanism 4 is prolonged.

Further illustratively, the diameter of the roller 72 is greater than the thickness of the lower platen 14; the top frame mechanism 4 is enabled to slide from a high position to a low position, the top frame mechanism 4 is guaranteed to smoothly slide from the roller support 7 to the top surface of the lower template 14, and the interference condition during sliding is avoided.

In this embodiment, a first positioning block 17 is disposed on one side of the lower template 14 away from the roller support 7, and the first positioning block 17 is used for limiting the top frame mechanism 4; a first positioning hole is formed in the bottom surface of the middle template 13 corresponding to the first positioning block 17, and the first positioning hole is used for accommodating the first positioning block 17;

a second positioning block 43 is disposed on the top surface of the bottom plate 41, a second positioning hole 131 is disposed on the bottom surface of the middle mold plate 13 corresponding to the second positioning block 43, and the second positioning hole 131 is used for accommodating the second positioning block 43.

In order to facilitate the alignment between the top plate assembly 42 and the mold cavity 15, the first positioning block 17 is provided to limit the top frame mechanism 4, so that when the top frame mechanism 4 slides to abut against the first positioning block 17, the top plate assembly 42 is aligned with the mold cavity 15.

Meanwhile, the first positioning hole is arranged for accommodating the first positioning block 17, so that the lower template 14 and the middle template 13 can be conveniently positioned when the mold is closed and moves upwards. Similarly, the second positioning block 43 and the second positioning hole 131 are provided to facilitate the positioning of the top frame mechanism 4 and the middle mold plate 13.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An demolding system for an air spring buffer block is characterized by comprising:

the mould mechanism (1) comprises an upper template (11), an upper stripper plate (12), a middle template (13) and a lower template (14) which are sequentially arranged in a separated manner from top to bottom; a plurality of mould body cavities (15) are formed between the middle template (13) and the lower template (14), the upper template (11) is provided with a forming lug (16), and one end of the forming lug (16) penetrates through the upper stripper plate (12) and extends into the mould body cavities (15);

the connecting component (2) is fixedly connected to the upper template (11) at one end; the connecting assembly (2) is provided with a first sliding groove (21) in the vertical direction, a first pin shaft (22) is mounted on the upper stripping plate (12), and the first pin shaft (22) is connected in the first sliding groove (21) in a sliding manner;

a hinge assembly (3), wherein two ends of the hinge assembly (3) are respectively hinged with the upper template (11) and the middle template (13);

the top frame mechanism (4) comprises a bottom plate (41) and a top plate assembly (42) arranged on the upper end surface of the bottom plate (41); the top plate assembly (42) corresponds to the die cavity (15), and the top plate assembly (42) is used for extending into the die cavity (15) to eject a workpiece.

2. The demolding system of the air spring cushion block according to claim 1, further comprising two middle mold supports (5), wherein the two middle mold supports (5) are hinged to two side portions of the upper mold plate (11) through pin shafts respectively.

3. The demolding system for an air spring bumper according to claim 1, characterized in that the hinge assembly (3) comprises a first connecting rod (31) and a second connecting rod (32), a first end of the first connecting rod (31) is hinged to the upper template (11), and a second end of the first connecting rod (31) is provided with a second sliding groove (33);

and a second pin shaft (34) is arranged at the first end of the second connecting rod (32), the second pin shaft (34) is connected in the second sliding groove (33) in a sliding manner, and the second end of the second connecting rod (32) is hinged on the middle template (13).

4. The demolding system of an air spring bumper of claim 1, further comprising:

and the elastic component (6) is arranged between the upper template (11) and the middle template (13), and one end of the elastic component is fixedly arranged on the upper stripping plate (12) and is used for pushing the upper stripping plate (12) to be separated from the upper template (11).

5. The demolding system for an air spring cushion block according to claim 4, characterized in that the elastic assembly (6) comprises an L-shaped plate (61) and a spring (62), one end of the L-shaped plate (61) is fixedly mounted on the upper stripper plate (12); a first end of the spring (62) is mounted on the L-shaped plate (61), and a second end of the spring (62) faces the upper template (11) and is elastically abutted against the upper template (11);

wherein, install guide pillar (63) on L board (61), spring (62) cover is located outside guide pillar (63).

6. The demolding system of an air spring bumper of claim 1, further comprising:

roller bearing support (7), roller bearing support (7) with lower bolster (14) set up side by side, its include frame limit (71) and rotate connect in a plurality of roller bearing (72) on frame limit (71), the top of roller bearing (72) with roof-rack mechanism (4) looks butt is used for the direction roof-rack mechanism (4) slide.

7. The demolding system for an air spring cushion block according to claim 6, wherein the diameter of the roller (72) is larger than the thickness of the lower template (14).

8. The air spring buffer block demolding system according to claim 6, wherein a first positioning block (17) is arranged on one side, away from the roller support (7), of the lower template (14), and the first positioning block (17) is used for limiting the upper frame mechanism (4); a first positioning hole is formed in the bottom surface of the middle template (13) corresponding to the first positioning block (17), and the first positioning hole is used for accommodating the first positioning block (17);

the top surface of the bottom plate (41) is provided with a second positioning block (43), a second positioning hole (131) is formed in the bottom surface of the middle template (13) corresponding to the second positioning block (43), and the second positioning hole (131) is used for accommodating the second positioning block (43).