CN210651690U

CN210651690U - Elastic pressing mechanism for die

Info

Publication number: CN210651690U
Application number: CN201921659236.0U
Authority: CN
Inventors: 郭荣灼; 张俊付
Original assignee: Dongguan Yuxin Plastic Mould Co ltd
Current assignee: Dongguan Yuxin Plastic Mould Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-02
Anticipated expiration: 2029-09-30

Abstract

The utility model belongs to the technical field of the mould structure technique and specifically relates to indicate an elasticity pressing mechanism for mould, the cope match-plate pattern is provided with the mounting groove of intercommunication downside, this mounting groove becomes vertical slope setting, slidable mounting has elasticity pressing components in this mounting groove, this elasticity pressing components's downside protrusion in the downside of cope match-plate pattern, elasticity pressing components includes first pressfitting piece, the second pressfitting piece, drive first pressfitting ejecting first elastic component of piece and drive second pressfitting ejecting second elastic component of piece, the downside of this first pressfitting piece and second pressfitting piece all is provided with the outer edge of outside extension's butt, this butt is connected with the downside of cope match-plate pattern along outward. The mechanism is applied to in hardware pressfitting injection mold, and the slope setting of mounting groove causes the downside of elasticity pressing components to the centre skew of cope match-plate pattern downside, can not the direct contact arrive the inside wall of hardware when reaching the pressfitting for the first time, has effectively solved because the shovel powder condition that the die closing leads to the hardware inside wall to appear of forcing.

Description

Elastic pressing mechanism for die

Technical Field

The utility model belongs to the technical field of the mould structure technique and specifically relates to indicate an elasticity pressing mechanism for mould.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The method realizes the processing of the shape of an article mainly by changing the physical state of a formed material, and enables a blank to be a tool of a workpiece with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

At present, in the mold industry, the reject ratio of the smart phone shell production caused by the powder shoveling of hardware accounts for about 10% -25%, and the processing cost of hardware suppliers and injection molding manufacturers is continuously increased; the product produced by the injection molding manufacturer is extremely unstable, which seriously affects the injection molding cycle, the product quality and the test performance, and forces customers to reduce the quality standard due to the limit of the mold industry level.

The common conventional structure of the intelligent mobile phone surface shell powder shoveling in the industry is that hardware to be molded by injection is placed on a front mold core or a rear mold core, the hardware is positioned by a needle or a pipe, the hardware is placed on the mold core and absorbs heat of mold temperature and material temperature, at the moment, the hardware has a natural expansion and slight deformation process, forced pressing and mold closing are adopted during mold closing, and if the deformation tolerance of the hardware is larger, two defective products are produced, namely 1. the hardware shovels powder; 2, the product has burrs, and the structure causes great manufacturing cost increase for mass production.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an elasticity pressing mechanism for mould, this mechanism is applied to in the hardware pressfitting injection mold, and the slope setting of mounting groove causes the downside of elasticity pressing components to the middle skew of cope match-plate pattern downside, can not the direct contact arrive the inside wall of hardware when reaching the pressfitting for the first time, has effectively solved because the die closing leads to the shovel powder condition that the hardware inside wall appears of forcing.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an elasticity pressing mechanism for mould, includes the cope match-plate pattern, the cope match-plate pattern is provided with the mounting groove of intercommunication downside, and the contained angle between a side of this mounting groove and the horizontal plane is 30 to 88 degrees, and slidable mounting has elasticity pressfitting component in this mounting groove, and this elasticity pressfitting component's downside protrusion in the downside of cope match-plate pattern, elasticity pressfitting component includes first pressfitting piece, second pressfitting piece, drives the ejecting first elastic component of first pressfitting piece and drives the ejecting second elastic component of second pressfitting piece, and the downside of this first pressfitting piece and second pressfitting piece all is provided with the outer edge of outside extension's butt, and this butt is connected along the downside with the cope match-plate pattern outward.

Preferably, the lateral wall of elasticity pressing components and the lateral wall laminating sliding connection of mounting groove, the downside of elasticity pressing components offsets to the centre of cope match-plate pattern downside.

Preferably, the first laminating piece is connected with a mounting seat in a clamping manner and is provided with a third laminating piece which is arranged on the mounting seat and penetrates through the mounting seat to extend to the lower side surface of the first laminating piece, the mounting seat is provided with a stroke limiting groove, the third laminating piece is provided with a butt boss extending to the stroke limiting groove, and the third laminating piece is connected with a third elastic piece for driving the third laminating piece to eject.

Preferably, the number of the mounting seats and the third pressing blocks is at least two, and the mounting seats and the third pressing blocks are arranged on the first pressing block.

Preferably, the upper die plate is provided with a first floating limiting groove and a second floating limiting groove, the first pressing block is connected with a first floating limiting part extending to connect the first floating limiting groove, and the second pressing block is connected with a second floating limiting part extending to connect the second floating limiting groove.

Preferably, the number of the second pressing blocks is two, the two second pressing blocks are respectively arranged at two ends of the first pressing block, two ends of the first pressing block are respectively provided with a sliding groove, and the two second pressing blocks are both provided with a sliding boss corresponding to the sliding grooves.

Preferably, the upper die plate is provided with two mounting grooves which are arranged in parallel, the two elastic press-fit components are arranged in two, and the two elastic press-fit components are respectively arranged corresponding to the two mounting grooves.

The beneficial effects of the utility model reside in that: the utility model provides an elasticity pressing mechanism for mould, in the actual production activity process, this mechanism's design is applied to in the hardware injection mold, combine other mould structures to form one set of complete mould promptly, then obtain the product through to hardware injection moulding, other mould structure parts that combine with this application mechanism can refer to conventional mould structural design, also can refer to the structural part that this application drawing demonstrates, technical personnel in the art can learn other mould structural parts that can combine with this application mechanism without paying creative work.

This application mechanism is applied to the operation process among the hardware injection mold, the hardware location is placed to the side on the lower bolster, then the cope match-plate pattern moves elasticity pressing components and together pushes down, push down the in-process, elasticity pressing components can butt the last side of hardware earlier, accomplish a pressfitting, carry out the secondary pressfitting afterwards, the profile boss that the cope match-plate pattern downside set up this moment just with hardware inside wall butt, just begin to mould plastics after accomplishing the secondary pressfitting, the completion of moulding plastics obtains the product, because of the setting of elastic component during the drawing of patterns, first pressfitting piece and second pressfitting piece have the power of a preceding promotion, make the shaping product break away from with the cope match-plate pattern downside rapidly. Because of the slope setting of mounting groove, elasticity pressing components's downside shifts to the centre of cope match-plate pattern downside, leads to the lateral wall of elasticity pressing components can not the inside wall of direct contact hardware, has solved because of the die closing that forces causes the condition that the powder shovel appears in the hardware inner wall.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention installed on the upper die base.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic perspective view of the first elastic member, the second elastic member and the third elastic member of the present invention.

Fig. 4 is a schematic side view of the upper die plate and the elastic press-fit assembly according to the present invention.

Fig. 5 is an exploded view of the upper die plate and the elastic press-fit assembly according to the present invention.

Fig. 6 is an exploded view of the elastic press-fit assembly according to the present invention.

Fig. 7 is a schematic view of the three-dimensional structure of the cope match-plate pattern of the present invention.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 7, an elastic pressing mechanism for a mold includes an upper mold plate 1, the upper mold plate 1 is provided with a mounting groove 11 communicating with a lower side surface, an included angle between a side surface of the mounting groove 11 and a horizontal plane is 30 to 88 degrees, an elastic pressing component 2 is slidably installed in the mounting groove 11, the lower side surface of the elastic pressing component 2 protrudes out of the lower side surface of the upper mold plate 1, the elastic pressing component 2 includes a first pressing block 21, a second pressing block 22, a first elastic member 23 driving the first pressing block 21 to eject out, and a second elastic member 24 driving the second pressing block 22 to eject out, the lower side surfaces of the first pressing block 21 and the second pressing block 22 are both provided with an outward extending abutting outer edge 25, and the abutting outer edge 25 is connected with the lower side surface of the upper mold plate 1.

The elasticity pressing mechanism for mould of this embodiment, in the actual production activity process, this mechanism's design is applied to in the hardware injection mold, combines other mould structures to form one set of complete mould promptly, then obtains the product through to hardware injection moulding, and other mould structure parts that combine with this application mechanism can refer to conventional mould structural design, also can refer to the structural part that this application drawing demonstrates, and the skilled person in the art can learn other mould structure parts that can combine with this application mechanism without paying out creative work.

This application mechanism is applied to the operation process in the hardware injection mold, the hardware location is placed to the side on the lower bolster, then cope match-plate pattern 1 drives elasticity pressing components 2 and together pushes down, push down the in-process, elasticity pressing components 2 can butt the last side of hardware earlier, accomplish a pressfitting, carry out the secondary pressfitting afterwards, the profile boss that 1 downside of cope match-plate pattern set up this moment just with hardware inside wall butt, just begin to mould plastics after accomplishing the secondary pressfitting, the completion of moulding plastics obtains the product, because of the setting of elastic component during the drawing of patterns, first pressfitting piece 21 and second pressfitting piece 22 have the power that pushes forward, make the shaping product break away from with 1 downside of cope match-plate pattern rapidly. Because of the slope setting of mounting groove 11, the downside of elasticity lamination component 2 shifts to the centre of 1 downside of cope match-plate pattern, leads to the lateral wall of elasticity lamination component 2 can not the inside wall of direct contact hardware, has solved because of the die closing that forces causes the condition that the powder was shoveled to appear in the hardware inner wall.

This application mechanism is provided with two mounting grooves 11 and two elasticity lamination components 2, and these two elasticity lamination components 2 are located the left and right sides of 1 downside of cope match-plate pattern respectively, and the downside of these two elasticity lamination components 2 is the middle skew of 1 downside of cope match-plate pattern. The fine both sides with the side on the hardware of the design of two elasticity pressing components 2 carry out butt in advance, then at the secondary pressfitting, the better reality prevents the condition that the shovel powder from appearing in the hardware inside wall newly.

In this embodiment, the side wall of the elastic pressing component 2 is attached to the side wall of the mounting groove 11 in a sliding manner, and the lower side surface of the elastic pressing component 2 is offset to the middle of the lower side surface of the upper template 1. The slope setting of mounting groove 11, the downside of elasticity lamination subassembly 2 shifts to the centre of 1 downside of cope match-plate pattern, leads to the lateral wall of elasticity lamination subassembly 2 can not the inside wall of direct contact hardware, has solved and has leaded to the condition that the powder was shoveled to appear in the hardware inner wall because of the die closing of forcing.

In this embodiment, the first pressing block 21 is connected to the mounting base 3 in a clamping manner, and a third pressing block 31 is mounted on the mounting base 3 and extends to the lower side surface of the first pressing block 21, the mounting base 3 is provided with a stroke limiting groove 32, the third pressing block 31 is provided with an abutting boss 33 extending to the stroke limiting groove 32, and the third pressing block 31 is connected to a third elastic member 34 for driving the third pressing block to eject. The third press-fit block 31 is provided to help better push the finished product down to the lower side of the upper template 1 during demolding. Meanwhile, the first pressing block 21, the second pressing block 22 and the third pressing block 31 are pushed independently without influencing each other, so that the flexibility is improved.

In this embodiment, the number of the mounting seats 3 and the number of the third press-fit blocks 31 are at least two, and the at least two mounting seats 3 and the third press-fit blocks 31 are arranged on the first press-fit block 21. The multiple arrangement of the third pressing blocks 31 helps to more powerfully drop the formed hardware on the lower side surface of the upper template 1 during demolding, and the work efficiency is improved.

In this embodiment, the upper plate 1 is provided with a first floating limiting groove 12 and a second floating limiting groove 13, the first pressing block 21 is connected to the first floating limiting part 14 extending to connect the first floating limiting groove 12 in a clamping manner, and the second pressing block 22 is connected to the second floating limiting part 15 extending to connect the second floating limiting groove 13 in a clamping manner. The design of the limiting groove and the limiting part is used for controlling the protruding and retracting distance of the first pressing block 21 and the second pressing block 22, and preventing the product or the die from being damaged due to overtravel action.

In this embodiment, the number of the second pressing blocks 22 is two, the two second pressing blocks 22 are respectively disposed at two ends of the first pressing block 21, two ends of the first pressing block 21 are respectively provided with a sliding groove 26, and the two second pressing blocks 22 are both provided with a sliding boss 27 corresponding to the sliding groove 26. The first pressing block 21 and the second pressing block 22 are connected in a sliding mode, mutual interference is avoided during pushing operation, operation of other pressing blocks cannot be affected when a single pressing block goes wrong, flexibility is high, and meanwhile manufacturing, using and maintenance replacement cost is low.

In this embodiment, the upper die plate 1 is provided with two mounting grooves 11, the two mounting grooves 11 are arranged in parallel, the two elastic press-fit components 2 are provided, and the two elastic press-fit components 2 are respectively arranged corresponding to the two mounting grooves 11. Two mounting grooves 11 and two elasticity lamination assemblies 2, these two elasticity lamination assemblies 2 are located the left and right sides of 1 downside of cope match-plate pattern respectively, and the downside of these two elasticity lamination assemblies 2 all squints to the centre of 1 downside of cope match-plate pattern. The fine both sides with the side on the hardware of the design of two elasticity pressing components 2 carry out butt in advance, then at the secondary pressfitting, the better reality prevents the condition that the shovel powder from appearing in the hardware inside wall newly.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Elasticity pressing mechanism for mould, including cope match-plate pattern (1), its characterized in that: the utility model discloses a go up the die holder, including cope match-plate pattern (1), this installation groove (11), the contained angle between a side and the horizontal plane of this installation groove (11) is 30 to 88 degrees, and slidable mounting has elasticity lamination assembly (2) in this installation groove (11), and the downside protrusion of this elasticity lamination assembly (2) is in the downside of cope match-plate pattern (1), elasticity lamination assembly (2) are including first pressfitting piece (21), second pressfitting piece (22), drive first pressfitting piece (21) ejecting first elastic component (23) and drive second pressfitting piece (22) ejecting second elastic component (24), and the downside of this first pressfitting piece (21) and second pressfitting piece (22) all is provided with outside extension butt outer edge (25), and this butt outer edge (25) is connected with the downside of cope match-plate pattern (1).

2. The elastic press-fit mechanism for a mold according to claim 1, wherein: the lateral wall of elasticity pressing components (2) and the lateral wall sliding connection of mounting groove (11), the downside of elasticity pressing components (2) offsets to the centre of cope match-plate pattern (1) downside.

3. The elastic press-fit mechanism for a mold according to claim 1, wherein: the first laminating piece (21) is connected with a mounting seat (3) in a clamping manner and is provided with a third laminating piece (31) which is arranged on the mounting seat (3) and penetrates through the mounting seat to extend to the lower side surface of the first laminating piece (21), a stroke limiting groove (32) is formed in the mounting seat (3), a butting boss (33) extending to the stroke limiting groove (32) is arranged on the third laminating piece (31), and the third laminating piece (31) is connected with a third elastic piece (34) for driving the third laminating piece to eject.

4. An elastic press-fit mechanism for a mold according to claim 3, wherein: the number of the mounting seats (3) and the number of the third pressing blocks (31) are at least two, and the at least two mounting seats (3) and the third pressing blocks (31) are arranged on the first pressing blocks (21).

5. The elastic press-fit mechanism for a mold according to claim 1, wherein: the upper die plate (1) is provided with a first floating limiting groove (12) and a second floating limiting groove (13), a first pressing block (21) is connected with a first floating limiting part (14) in an extending mode, the first floating limiting groove (12) is connected with the first floating limiting part in an extending mode, and a second pressing block (22) is connected with a second floating limiting part (15) in an extending mode, the second floating limiting groove (13) is connected with the second floating limiting part in an extending mode.

6. The elastic press-fit mechanism for a mold according to claim 1, wherein: the number of the second pressing blocks (22) is two, the two second pressing blocks (22) are respectively arranged at two ends of the first pressing block (21), sliding grooves (26) are respectively arranged at two ends of the first pressing block (21), and the two second pressing blocks (22) are respectively provided with sliding bosses (27) corresponding to the sliding grooves (26).

7. The elastic press-fit mechanism for a mold according to claim 1, wherein: the upper die plate (1) is provided with two mounting grooves (11), the two mounting grooves (11) are arranged in parallel, the two elastic press-fit components (2) are arranged, and the two elastic press-fit components (2) are respectively arranged corresponding to the two mounting grooves (11).