CN216068532U

CN216068532U - Plated item back-off demoulding mechanism

Info

Publication number: CN216068532U
Application number: CN202122127542.3U
Authority: CN
Inventors: 缪潇伟; 殷露露
Original assignee: Nantong Yinbaoshan New Technology Co ltd
Current assignee: Nantong Yinbaoshan New Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-18
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a plated item back-off demoulding mechanism, wherein the plated item back-off demoulding mechanism comprises a shovel base and a sliding block; one side of the shovel base is provided with a convex block which is obliquely arranged along the extending direction of the shovel base; a sliding groove is formed in one side of the sliding block, the protruding block is arranged in the sliding groove, and the sliding block is connected with the shovel base in a sliding mode; one side of the shovel base is connected with one side of the sliding block to form a connecting surface, the electroplated part is arranged on the connecting surface, and the sliding block moves towards the direction of the connecting surface along the sliding groove to be demoulded. According to the technical scheme, the shovel base and the sliding block in sliding connection on the shovel base are arranged, the sliding groove of the sliding block is matched with the protruding block of the shovel base to slide to eject and demould the electroplated part, the contact area of the ejection mechanism and the electroplated part is reduced, appearance defects such as mantle and top print are avoided, and the quality of the electroplated part is improved.

Description

Plated item back-off demoulding mechanism

Technical Field

The utility model relates to the technical field of mold ejection mechanisms, in particular to a plated part back-off demolding mechanism.

Background

With the development of the automobile industry, electroplated parts such as car logos, door handles, decorative strips embedded in automobile door panels and the like are used in many places on the inner and outer decorative panels of automobiles. Because the traditional back-off ejection mechanism of the injection mold usually utilizes the inclined ejector, the inclined ejector enables the end surface of the ejector rod to be arranged on the surface of a product, the contact area is large, and appearance defects such as mantle and top mark are easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a reverse buckling demoulding mechanism of a plated part, aiming at improving the demoulding quality of the plated part.

In order to achieve the above object, the present invention provides a plated item back-off demolding mechanism, comprising:

the shovel base is provided with a convex block which is obliquely arranged along the extending direction of the shovel base on one side; and

a sliding groove is formed in one side of the sliding block, the protruding block is arranged in the sliding groove, and the sliding block is connected with the shovel base in a sliding mode;

one side of the shovel base is connected with one side of the sliding block to form a connecting surface, the electroplated part is arranged on the connecting surface, and the sliding block moves towards the direction of the connecting surface along the sliding groove to be demoulded.

Optionally, the two opposite sides of the shovel base are provided with bumps, the bumps on the two sides are provided with sliders, and the two sliders move towards the connecting surface to perform the stripping of the electroplated part.

Optionally, the number of the shovel bases is multiple, and the multiple shovel bases are arranged at intervals.

Optionally, the slider still includes the spring, the slider deviates from one side of spout is equipped with the trompil, the spring is located in the trompil.

Optionally, the number of the springs is multiple, the number of the sliding blocks is multiple, the sliding blocks are provided with the openings, and the springs are arranged in the openings.

Optionally, plated item back-off demoulding mechanism still includes back mold core, mould B board and backing plate, back mold core mould B board with the backing plate is according to the setting of folding to the lower floor, the shovel base wears to locate in proper order back mold core mould B board with the backing plate, the slider is located back mold core with in the opening of mould B board, the slider is kept away from connect the face one side with mould B board is connected.

Optionally, the backing plate further includes a positioning pin, and the positioning pin is inserted into the backing plate and connected to one side of the shovel base close to the backing plate.

Optionally, the plated item back-off demoulding mechanism further comprises an ejector rod, the ejector rod penetrates through the rear mold core, the mold B plate and the backing plate, and is connected with the rear mold core and the mold B plate, and the ejector rod moves synchronously with the rear mold core and the mold B plate.

Optionally, plated item back-off demoulding mechanism still includes the knot machine subassembly, the knot machine subassembly includes ejector rod and thimble board, one side of thimble board with the ejector pin is connected, the ejector rod connect in the thimble board deviates from one side of ejector pin, the ejector rod removes the drive the ejector rod and the removal of mould B board.

Optionally, the ejector rods and the die B plate are of an integral structure.

According to the technical scheme, the shovel base and the sliding block in sliding connection on the shovel base are arranged, the sliding groove of the sliding block is matched with the protruding block of the shovel base to slide to eject and demould the electroplated part, the contact area of the ejection mechanism and the electroplated part is reduced, appearance defects such as mantle and top print are avoided, and the quality of the electroplated part is improved.

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, 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 the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a shovel base and a sliding block of the plated part back-off demolding mechanism according to the utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of a shovel base of the plated part back-off demolding mechanism according to the present invention;

FIG. 4 is a schematic structural view of a slide block of the plated part back-off demolding mechanism according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

FIG. 6 is a schematic structural diagram of a plated part reverse-buckling demolding mechanism according to the present invention after the slider moves;

FIG. 7 is a schematic structural view of a rear mold core, a mold B plate and a backing plate of the plated part back-off demolding mechanism of the utility model;

FIG. 8 is a cross-sectional view of FIG. 7;

FIG. 9 is a cross-sectional view of the slider of FIG. 7 after movement;

FIG. 10 is a schematic structural view of a fastener feeder assembly incorporated in the plated part back-off demolding mechanism according to the present invention;

fig. 11 is a cross-sectional view of fig. 10.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Plated item back-off demoulding mechanism	10	Shovel base
11	Bump	11a	Connecting surface
				20	Sliding block	21	Sliding chute
23	Spring	25	Opening holes
				30	Rear mold core	40	Die B plate
50	Backing plate	51	Locating pin
				60	Top rod	70	Button machine component
71	Top roller connecting column	73	Ejector plate
				80	Plated part

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a reverse buckling demoulding mechanism 1 for a plated part.

In the embodiment of the present invention, as shown in fig. 1 to 11, the plated workpiece back-off demolding mechanism 1 includes a shovel base 10 and a slider 20; one side of the shovel base 10 is provided with a convex block 11 which is obliquely arranged along the extending direction; one side of the sliding block 20 is provided with a sliding groove 21, the convex block 11 is arranged in the sliding groove 21, and the sliding block 20 is connected with the shovel base 10 in a sliding manner; one side of the shovel base 10 is connected with one side of the slide block 20 to form a connecting surface 11a, the electroplated part 80 is arranged on the connecting surface 11a, and the slide block 20 moves along the slide groove 21 towards the direction of the connecting surface 11a to carry out demoulding of the electroplated part 80.

The cross-sectional shape of the projection 11 may be T-shaped, square, circular, or the like, and the opening shape of the slide groove 21 of the slider 20 may be T-shaped, square, circular, or the like. In an embodiment of the present application, the cross-sectional shape of the protrusion 11 is T-shaped, the opening of the sliding groove 21 is T-shaped, the protrusion 11 in T-shape is disposed in the sliding groove 21 in T-shape, the outer surface of the protrusion 11 is tightly attached to the inner wall of the sliding groove 21, so that the slider 20 does not shake when moving on the shovel base 10, the movement stability of the slider 20 is ensured, and excessive force is prevented from being applied when the slider 20 is ejected out of the mold; the T-shaped sliding groove 21 can limit the sliding block 20 by utilizing multiple planes and a step-shaped inclined plane on the inner wall of the T-shaped sliding groove, so that the sliding block 20 is prevented from moving relative to the sliding groove 21 along the horizontal direction, and the movement track of the sliding block 20 is ensured; on the other hand, the slide block 20 moves on the shovel base 10, compared with the inclined ejecting mechanism, the slide block 20 is in a smooth connection state with the connection surface 11a of the product, the ejecting force of the slide block 20 on the product is reduced to the maximum extent, the contact area of the demolding mechanism and the electroplated part 80 is reduced, the possibility of generation of the top print is avoided, and the slide block 20 ejects the product from the mold by utilizing the inclined ejection through the matching of the slide block 20 and the shovel base 10.

The connecting surface 11a can be an arc surface, and the arc surface is attached to the inner cavity of the electroplated part 80, so that the stress of the slider 20 on the electroplated part 80 is reduced, and the generation of top printing is avoided.

According to the technical scheme, the shovel base 10 and the sliding block 20 connected with the shovel base 10 in a sliding mode are arranged, the sliding groove 21 of the sliding block 20 is matched with the protruding block 11 of the shovel base 10 to slide to eject and demould the electroplated part 80, the contact area of the ejection mechanism and the electroplated part 80 is reduced, appearance defects such as mantle and top print are avoided, and the quality of the electroplated part 80 is improved.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, two opposite sides of the shovel base 10 are provided with the protrusions 11, the protrusions 11 on the two sides are provided with the sliders 20, and the two sliders 20 move towards the connecting surface 11a simultaneously to perform the stripping of the electroplated part 80.

The convex blocks 11 are arranged on two opposite sides of the shovel base 10 and are all obliquely arranged towards the axis of the shovel base, the convex blocks 11 on the two sides are all provided with the sliding blocks 20, and the sliding blocks 20 simultaneously slide up and down towards the axis direction of the shovel base 10 along the convex blocks 11. The two sides of the shovel base 10 are provided with the convex blocks 11 and the sliding blocks 20, so that the demolding applicability of the demolding mechanism is increased, the demolding mechanism can be suitable for various electroplated parts 80 with different lengths and shapes, and the application range of the demolding mechanism is enlarged. Further, the arrangement of the plurality of bumps 11 and the slider 20 ensures that a plurality of point positions of the electroplated part 80 are demoulded for the same electroplated part 80, so that the effect of synchronous demoulding of the electroplated part 80 is realized, the demoulding quality of the electroplated part 80 is improved, and the quality of the electroplated part 80 is further improved.

In an embodiment of the present invention, as shown in fig. 1 to 11, the number of the shovel bases 10 is multiple, and the multiple shovel bases 10 are arranged at intervals.

The number of the shovel bases 10 is multiple, the shovel bases 10 are arranged at intervals, and the shovel bases 10 are located on the same horizontal plane, so that the demolding mechanism can be suitable for various electroplated parts 80 with different lengths and shapes, and the application range of the demolding mechanism is enlarged. And, the setting of a plurality of shovel bases 10 has increased a plurality of sliders 20, to the drawing of patterns of same plated item 80, has guaranteed that this plated item 80 multiple point location is demolded, realizes the effect of the whole synchronous drawing of patterns of a plated item 80, has improved the drawing of patterns quality of plated item 80, has further improved the quality of plated item 80.

In an embodiment of the present invention, the sliding block 20 further includes a spring 23, a side of the sliding block 20 away from the sliding slot 21 is provided with an opening 25, and the spring 23 is disposed in the opening 25.

The spring 23 is arranged between the sliding block 20 and the rear die core 30 and between the spring 23 and the die B plate 40, and the spring 23 is arranged, so that when the sliding block 20 moves upwards to separate from the bump 11, the sliding block 20 of the sliding block 20 is subjected to the force in the opposite direction of the spring 23, the force applied to the two sides of the sliding block 20 tends to be balanced, the moving process of the sliding block 20 of the button machine is smoother, the ejection effect is better, and the quality of the electroplated part 80 is improved.

In an embodiment of the present invention, as shown in fig. 8 to 11, there are a plurality of springs 23, a plurality of sliders 20, an opening 25 formed in each of the plurality of sliders 20, and a spring 23 disposed in the opening 25.

Be equipped with trompil 25 on the slider 20, slider 20 is connected to spring 23 one end, and back mold core 30, mould B board 40 are connected to one end, have guaranteed the hookup location of spring 23 for spring 23 can not move at will, has influenced the effect of spring 23, and the spring 23 that on the other hand guaranteed is at the same point to the power of slider 20 with the slider 20 effect, has guaranteed the effect of spring 23.

The arrangement of the plurality of open holes 25 and the plurality of springs 23, the plurality of springs 23 can be arranged at intervals along the horizontal direction of the side surface of the sliding block 20, force is applied to a plurality of point positions on the side surface of the sliding block 20, uniform force application of the springs 23 to the button machine sliding block 20 is guaranteed, the effect of the springs 23 is further guaranteed, an operator can set the number of the springs 23 according to different feedbacks received by the sliding block 20, and the movement of the sliding block 20 is guaranteed.

In an embodiment of the present invention, as shown in fig. 7 to 11, the electroplated part back-off demoulding mechanism 1 further includes a rear mold core 30, a mold B plate 40 and a backing plate 50, the rear mold core 30, the mold B plate 40 and the backing plate 50 are stacked from top to bottom, the shovel base 10 sequentially penetrates through the rear mold core 30, the mold B plate 40 and the backing plate 50, the slider 20 is disposed in the opening of the rear mold core 30 and the mold B plate 40, and one side of the slider 20 away from the connecting surface 11a is connected to the mold B plate 40.

The rear mold core 30 is used for being connected with the sliding block 20, the mold B plate 40 is used for pushing the rear mold core 30 to move and further pushing the sliding block 20 to move, and the backing plate 50 is connected with the shovel base 10 to fix the position of the shovel base 10 and ensure that the shovel base 10 does not move relative to the sliding block 20. The shape of the backing plate 50 may be rectangular, square, polygonal, etc., in an example embodiment of the present application, the shape of the backing plate 50 is rectangular, and the shovel base 10 may be disposed to penetrate through the rear mold core 30 and the mold B plate 40, or one end connected to a horizontal plane is closed, and the other end is open; one side surface that backing plate 50 and shovel base 10 are connected is the same or looks adaptation with the inner wall surface of backing plate 50 for the surface of shovel base 10 closely laminates with the inner wall of backing plate 50, prevents that shovel base 10 from rocking at the in-process that slider 20 removed, and on the other hand can guarantee that slider 20 can not receive the influence of shovel base 10 at the extrusion with the in-process that resumes, guarantees the effect of slider 20 free movement in on shovel base 10 lug 11.

In an embodiment of the present invention, as shown in fig. 7 to 11, the backing plate 50 further includes a positioning pin 51, and the positioning pin 51 is inserted through the backing plate 50 and connected to a side of the shovel base 10 close to the backing plate 50.

Backing plate 50 passes through locating pin 51 with shovel base 10 and is connected, locating pin 51's quantity can be one or more, a plurality of locating pins 51 run through backing plate 50 and connect in shovel base 10, a plurality of locating pins 51 intervals set up, can follow the horizontal direction interval and set up, also can follow vertical direction interval, it is unmovable for slider 20 to have guaranteed shovel base 10, guaranteed that backing plate 50's bearing capacity and ejection mechanism during operation are difficult to rock, backing plate 50 and shovel base 10's stability has been increased, the effect of the drawing of patterns has been guaranteed. Further, top rod connecting column 71 passes through base plate 50, and locating pin 51 can avoid base plate 50 to take place to rock and influence drawing of patterns effect well.

In an embodiment of the present invention, as shown in fig. 8 to 11, the electroplated part back-off demoulding mechanism 1 further includes a top bar 60, the top bar 60 penetrates through the rear mold core 30, the mold B plate 40 and the backing plate 50, and is connected with the rear mold core 30 and the mold B plate 40, and the top bar 60 moves synchronously with the rear mold core 30 and the mold B plate 40.

Ejector pin 60 can be the metal pole, plastics pole etc., ensure back mold core 30 and mould B board 40 fixed connection, ejector pin 60's quantity can be a plurality ofly, a plurality of ejector pins 60 can be followed the horizontal direction interval and set up, back mold core 30 corresponds a plurality of ejector pins 60 with mould B board 40 promptly and is connected, the degree of connection of back mold core 30 with mould B board 40 has been guaranteed, also can follow vertical direction interval and set up, a plurality of ejector pins 60 are connected and are fixed in polylith back mold core 30 and mould B board 40, guaranteed that back mold core 30 and mould B board 40 do not take place to rock when the upward movement, the effect of the drawing of patterns has been guaranteed, on the other hand can protect the junction of top rod spliced pole 71 not because of rocking and receive wearing and tearing.

In an embodiment of the present invention, as shown in fig. 10 and 11, the electroplated part back-off demolding mechanism 1 further includes a buckle machine assembly 70, the buckle machine assembly 70 includes an ejector rod and an ejector plate 73, one side of the ejector plate 73 is connected with the ejector rod 60, the ejector rod is connected to one side of the ejector plate 73 away from the ejector rod 60, and the ejector rod moves to drive the ejector plate 73 and the mold B plate 40 to move.

The upper surface of the ejector plate 73 is fixedly connected with the ejector rod 60, and the lower surface is abutted against the ejector rod connecting column 71. Ejector pin plate 73 is equipped with the holding chamber in with backing plate 50, and the holding intracavity is used for placing ejector pin spliced pole 71, and the diameter in holding chamber is the same with ejector pin spliced pole 71's diameter, guarantees that the internal surface in holding chamber is hugged closely to ejector pin spliced pole 71's outer wall, prevents that ejector pin spliced pole 71 from taking place to rock and the direction of motion that leads to when the rebound from changing, and then influence drawing of patterns effect. The ejecting rod connecting column 71 penetrates through the accommodating cavity to abut against the bottom of the die B plate 40, the ejecting rod connecting column 71 is inserted into the through hole of the die B plate 40, the die B plate 40 and the rear die core 30 are moved, the ejector rod 60 pushes the die B plate 40 by pushing the die B plate 40, and the effect of ejecting the sliding block 20 is achieved.

In one embodiment of the present invention, the ejector pins 60 and the mold B plate 40 are of a unitary construction.

The setting of integrated into one piece structure for ejector pin 60 and mould B board 40 can be in integrative injection moulding in same set of mould, need not to use different moulds to carry out preparation respectively to ejector pin 60 and mould B board 40, can only need once to mould plastics the drawing of patterns and handle and can obtain a complete ejector pin 60 and mould B board 40 under same mould. Furthermore, only one set of die is needed when the ejection mechanism is prepared, so that the die can be saved, the resource investment can be saved, and the cost can be effectively reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a plated item back-off demoulding mechanism for the plated item drawing of patterns, its characterized in that includes:

the shovel comprises a shovel base (10), wherein one side of the shovel base (10) is provided with a convex block (11) which is obliquely arranged along the extending direction of the shovel base; and

the shovel is characterized by comprising a sliding block (20), wherein a sliding groove (21) is formed in one side of the sliding block (20), the protruding block (11) is arranged in the sliding groove (21), and the sliding block (20) is in sliding connection with the shovel base (10);

one side of shovel base (10) with one side of slider (20) is connected and is formed connection face (11a), plated item (80) are located connection face (11a), slider (20) are followed spout (21) and are faced the direction removal of connection face (11a) is carried out plated item (80) drawing of patterns.

2. The plated item inverted buckle and release mechanism according to claim 1, wherein the shovel base (10) is provided with a projection (11) on opposite sides thereof, and a slider (20) is provided on each of the projections (11) on both sides thereof, and both the sliders (20) are moved simultaneously toward the connection surface (11a) to release the plated item.

3. The plated item inverted ejector mechanism according to claim 2, wherein the number of the shovel bases (10) is plural, and the plural shovel bases (10) are provided at intervals.

4. The plated stripper mechanism of claim 1, wherein the slide (20) further comprises a spring (23), and wherein an opening (25) is formed in a side of the slide (20) facing away from the slide groove (21), and the spring (23) is disposed in the opening (25).

5. The plated item ejector mechanism according to claim 4, wherein the number of the springs (23) is plural, the number of the sliders (20) is plural, each of the plural sliders (20) is provided with the opening (25), and one of the springs (23) is provided in one of the openings (25).

6. The electroplated part back-off demoulding mechanism according to any one of the claims 1 to 5, characterized in that the electroplated part back-off demoulding mechanism further comprises a rear mold core (30), a mold B plate (40) and a backing plate (50), wherein the rear mold core (30), the mold B plate (40) and the backing plate (50) are stacked from top to bottom, the shovel base (10) is sequentially arranged through the rear mold core (30), the mold B plate (40) and the backing plate (50), the slider (20) is arranged in the opening of the rear mold core (30) and the mold B plate (40), and one side of the slider (20) far away from the connecting surface (11a) is connected with the mold B plate (40).

7. The plated item back-off and demolding mechanism according to claim 6, wherein the backing plate (50) further comprises a positioning pin (51), and the positioning pin (51) penetrates through the backing plate (50) and is connected with one side of the shovel base (10) close to the backing plate (50).

8. The plated stripper mechanism according to claim 6 further comprising a ram (60), wherein the ram (60) is disposed through the rear core (30), the mold B plate (40) and the backing plate (50) and is connected to the rear core (30) and the mold B plate (40), and wherein the ram (60) moves synchronously with the rear core (30) and the mold B plate (40).

9. The plated item back-off stripper mechanism of claim 8, further comprising a sear assembly (70), wherein the sear assembly (70) comprises a top roller connection post (71) and a top pin plate (73), wherein one side of the top pin plate (73) is connected to the top pin (60), wherein the top roller connection post (71) is connected to the side of the top pin plate (73) facing away from the top pin (60), and wherein the top roller connection post (71) moves to drive the top pin plate (73) and the mold B plate (40) to move.

10. The plated ejector stripper mechanism according to claim 8, wherein the ejector pin (60) and the mold B plate (40) are of an integral structure.