CN214725901U

CN214725901U - Mould rear mould mold insert accelerating ejection assembly structure

Info

Publication number: CN214725901U
Application number: CN202023268144.5U
Authority: CN
Inventors: 王鹏举
Original assignee: Shanghai Kebi Molding Technology Co ltd
Current assignee: Shanghai Kebi Molding Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-16
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a mould back mould mold insert pushes up subassembly structure with higher speed, which comprises a base, the centre department of base top outer wall is provided with ejector pin bottom plate, and ejector pin bottom plate's top outer wall is provided with thimble fixed plate, the cavity has been seted up to ejector pin bottom plate's inner wall, and the inner wall of cavity is connected with the rotation axis through the bearing, the outer wall of rotation axis is provided with the seesaw, and the one end rotation of seesaw is connected with flat ejector pin, flat ejector pin's top is provided with flat top, the fixed orifices has been seted up to the top inner wall of base, and the inner wall of fixed orifices is provided with electric putter, the one end of electric putter piston rod is provided with the back template, the sliding hole has been seted up to thimble fixed plate's top outer wall, and the inner wall of sliding hole is provided with the spacing post, it is located between back template and the seesaw to go up the spacing post. The utility model provides the high flat top with mould the area of contact of piece, solve the product and pushed up the problem of deformation by the conventional little flat top, improved the quality of moulding plastics.

Description

Mould rear mould mold insert accelerating ejection assembly structure

Technical Field

The utility model relates to the technical field of mold, especially, relate to a mould rear mould mold insert pushes up subassembly structure with higher speed.

Background

The present invention relates to a mould, various moulds and tools for obtaining required products by using injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting and stamping methods in industrial production.

In industrial production, the mould often can be used for moulding plastics the TPE material, because this material texture is very soft, very dark thimble seal appears in current top of accelerating subassembly structure on ejecting its product, leads to the product directly to scrap, influences the quality of moulding plastics.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mold rear mold insert accelerating top assembly structure. The plastic injection molding device has the advantages that the contact area of the flat top and the plastic part is increased, the problem that a product is deformed by a conventional small flat top is solved, and the injection molding quality is improved.

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

the utility model provides a mould back mould mold insert pushes up subassembly structure with higher speed, includes the base, the centre department of base top outer wall is provided with ejector pin bottom plate, and ejector pin bottom plate's top outer wall is provided with the thimble fixed plate, the cavity has been seted up to ejector pin bottom plate's inner wall, and the inner wall of cavity is connected with the rotation axis through the bearing, the outer wall of rotation axis is provided with the seesaw, and the one end of seesaw rotates and is connected with flat ejector pin, flat ejector pin's top is provided with flat top, the fixed orifices has been seted up to the top inner wall of base, and the inner wall of fixed orifices is provided with electric putter, the one end of electric putter piston rod is provided with the back template, the sliding hole has been seted up to the top outer wall of thimble fixed plate, and the inner wall in sliding hole is provided with the spacing post, it is located between back template and the seesaw to go up the spacing post.

By adopting the technical scheme: when the demoulding is needed after injection molding, the piston rod of the electric push rod is controlled to contract, the rear template moves downwards, the rear template pushes the upper limiting column to move downwards, the upper limiting column pushes the seesaw to rotate along the rotating shaft, when the seesaw rotates, the flat ejector rod drives the flat top to ascend, the injection molding part can be pushed upwards from the periphery of the plastic part, the contact area of the flat top and the plastic part is increased, the problem that the product is deformed by the conventional small flat top is solved, and the injection molding quality is improved.

Furthermore, the outer walls of the tops of the two sides of the ejector pin bottom plate of the base are provided with square irons, the outer walls of the tops of the square irons are provided with sliding columns, and the sliding columns and the rear template form sliding fit.

By adopting the technical scheme: the back template can reciprocate along the slip post, has improved the stability that the back template removed.

Furthermore, a rear mold ejection insert is arranged on the outer wall of the top of the base, limit grooves distributed at equal intervals are formed in the outer surface of the rear mold ejection insert, and the flat ejector rod is in sliding fit with the inner walls of the limit grooves.

By adopting the technical scheme: the flat ejector rod can move along the limiting groove of the ejection insert of the rear mold to eject the plastic part, and the ejection accuracy is improved.

Furthermore, the outer wall of the rear mold ejection insert is sleeved with a rear mold core, and a gap is reserved between the rear mold core and the rear mold ejection insert.

By adopting the technical scheme: the plastic part can be used for forming in a gap formed between the rear mold core and the rear mold ejection insert.

Furthermore, the mounting hole has been seted up to the top outer wall of thimble bottom plate, and the inner wall of mounting hole is provided with down spacing post, it is located the below of seesaw to limit the post down.

By adopting the technical scheme: lower spacing post can carry out the bearing to the seesaw when not drawing of patterns, has guaranteed the stability of seesaw.

Compared with the prior art, the utility model provides a mould rear mould mold insert pushes up subassembly structure with higher speed possesses following beneficial effect:

1. according to the mold rear mold insert accelerated ejection assembly structure, the seesaw, the flat ejector rod and the electric push rod are arranged, when demolding is needed after injection molding, a piston rod of the electric push rod is controlled to contract, the rear mold plate moves downwards, the rear mold plate pushes the upper limiting column to move downwards, the upper limiting column pushes the seesaw to rotate along the rotating shaft, when the seesaw rotates, the flat ejector rod drives the flat ejector to ascend, an injection molding piece can be ejected upwards from the periphery of the molding piece, the contact area of the flat ejector and the molding piece is increased, the problem that a product is deformed by a conventional small flat ejector is solved, and the injection molding quality is improved;

2. according to the accelerating ejection assembly structure for the mold rear mold insert, the rear mold plate can move up and down along the sliding column through the arrangement of the sliding column and the limiting groove, so that the moving stability of the rear mold plate is improved; the flat ejector rod can move along the limiting groove of the ejection insert of the rear mold to eject the plastic part, and the ejection accuracy is improved.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a perspective view of the overall structure of the mold insert accelerated top assembly structure of the rear mold of the present invention;

fig. 2 is a schematic structural view of a structure of an accelerating top assembly of a mold insert for a rear mold of the present invention;

fig. 3 is a schematic structural view of a rear mold ejection insert of a rear mold insert accelerated ejection assembly structure of a mold according to the present invention;

fig. 4 is the utility model provides a seesaw structural schematic of mould back mould mold insert top subassembly structure with higher speed.

In the figure: 1. a thimble base plate; 2. a thimble fixing plate; 3. a base; 4. square iron; 5. a rear template; 6. ejecting the insert from the rear mold; 7. a rear mold core; 8. a lower restraint post; 9. a seesaw; 10. an upper limiting column; 11. flat top; 12. a flat ejector rod; 13. a rotating shaft; 14. a sliding post; 15. an electric push rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, an accelerating ejection assembly structure for a mold rear mold insert comprises a base 3, a thimble base plate 1 is arranged in the middle of the outer wall of the top of the base 3, a thimble fixing plate 2 is arranged on the outer wall of the top of the thimble base plate 1, a cavity is formed in the inner wall of the thimble base plate 1, a rotating shaft 13 is connected to the inner wall of the cavity through a bearing, a seesaw 9 is arranged on the outer wall of the rotating shaft 13, a flat ejector rod 12 is connected to one end of the seesaw 9 in a rotating manner, a flat top 11 is arranged at the top end of the flat ejector rod 12, a fixing hole is formed in the inner wall of the top of the base 3, an electric push rod 15 is arranged on the inner wall of the fixing hole, a rear mold plate 5 is arranged at one end of a piston rod of the electric push rod 15, a sliding hole is formed in the outer wall of the top of the thimble fixing plate 2, an upper limiting column 10 is arranged between the rear mold plate 5 and the seesaw 9.

Further, the top outer walls of the base 3, which are located on two sides of the thimble base plate 1, are provided with square irons 4, the top outer walls of the square irons 4 are provided with sliding columns 14, and the sliding columns 14 are in sliding fit with the rear template 5. The rear template 5 can move up and down along the sliding column 14, and the moving stability of the rear template 5 is improved. The outer wall of the top of the base 3 is provided with a rear mold ejection insert 6, the outer surface of the rear mold ejection insert 6 is provided with limit grooves distributed at equal intervals, and the flat ejector rod 12 and the inner walls of the limit grooves form sliding fit. The flat ejector rod 12 can move along the limiting groove of the rear mold ejection insert 6 to eject the plastic part, and the ejection accuracy is improved.

It is worth mentioning that the outer wall of the rear mold ejection insert 6 is sleeved with a rear mold core 7, and a gap is reserved between the rear mold core 7 and the rear mold ejection insert 6. The plastic part can be formed in a gap formed between the rear mold core 7 and the rear mold ejection insert 6. The mounting hole has been seted up to the top outer wall of thimble bottom plate 1, and the inner wall of mounting hole is provided with down spacing post 8, and spacing post 8 is located the below of seesaw 9 down. Lower limit post 8 can carry out the bearing to seesaw 9 when not drawing of patterns, has guaranteed the stability of seesaw 9.

The working principle is as follows: when the demolding is needed after injection molding, the piston rod of the electric push rod 15 is controlled to contract, the rear template 5 moves downwards, the rear template 5 pushes the upper limiting column 10 to move downwards, the upper limiting column 10 pushes the seesaw 9 to rotate along the rotating shaft 13, when the seesaw 9 rotates, the flat ejector rod 12 drives the flat top 11 to ascend, injection molding pieces can be pushed upwards around the molding pieces, the contact area of the flat top and the molding pieces is increased, the problem that products are deformed by conventional small flat tops is solved, and the injection molding quality is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An accelerating ejection assembly structure for a mold rear mold insert comprises a base (3) and is characterized in that an ejector pin base plate (1) is arranged in the middle of the outer wall of the top of the base (3), an ejector pin fixing plate (2) is arranged on the outer wall of the top of the ejector pin base plate (1), a cavity is formed in the inner wall of the ejector pin base plate (1), a rotating shaft (13) is connected to the inner wall of the cavity through a bearing, a seesaw (9) is arranged on the outer wall of the rotating shaft (13), a flat ejector rod (12) is rotatably connected to one end of the seesaw (9), a flat top (11) is arranged at the top end of the flat ejector rod (12), a fixing hole is formed in the inner wall of the top of the base (3), an electric push rod (15) is arranged on the inner wall of the fixing hole, a rear mold plate (5) is arranged at one end of a piston rod of the electric push rod (15), and a sliding hole is formed in the outer wall of the top of the ejector pin fixing plate (2), and the inner wall of the sliding hole is provided with an upper limiting column (10), and the upper limiting column (10) is positioned between the rear template (5) and the seesaw (9).

2. The mold insert accelerating top assembly structure according to claim 1, characterized in that the top outer walls of the base (3) at two sides of the ejector pin base plate (1) are provided with square irons (4), the top outer walls of the square irons (4) are provided with sliding columns (14), and the sliding columns (14) form a sliding fit with the rear mold plate (5).

3. The mold rear mold insert accelerated top assembly structure according to claim 1, characterized in that the outer wall of the top of the base (3) is provided with the rear mold ejection insert (6), the outer surface of the rear mold ejection insert (6) is provided with limit grooves distributed at equal intervals, and the flat ejector rod (12) and the inner walls of the limit grooves form a sliding fit.

4. The structure of the mold rear mold insert accelerated top assembly according to claim 3, characterized in that the outer wall of the rear mold ejection insert (6) is sleeved with a rear mold core (7), and a gap is left between the rear mold core (7) and the rear mold ejection insert (6).

5. The mold insert accelerating ejector assembly structure as claimed in claim 4, wherein a mounting hole is formed in the outer wall of the top of the ejector pin base plate (1), a lower limiting column (8) is arranged on the inner wall of the mounting hole, and the lower limiting column (8) is located below the seesaw (9).