CN212948993U - Inclined ejection mechanism for die - Google Patents

Inclined ejection mechanism for die Download PDF

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Publication number
CN212948993U
CN212948993U CN202021560378.4U CN202021560378U CN212948993U CN 212948993 U CN212948993 U CN 212948993U CN 202021560378 U CN202021560378 U CN 202021560378U CN 212948993 U CN212948993 U CN 212948993U
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China
Prior art keywords
top plate
block
guide
ejector pin
ejector
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CN202021560378.4U
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Chinese (zh)
Inventor
王立山
孙姜裕
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Ningbo Xinlin Mould Technology Co.,Ltd.
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NINGBO BEILUN XINLIN ELECTROMECHANICAL MOULD CO Ltd
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Abstract

The utility model relates to the technical field of mold forming, in particular to an inclined ejection mechanism for a mold, which comprises an ejector pin corresponding to a product and used for ejecting the product, wherein the rear end of the ejector pin is provided with a top plate connected with the ejector pin, and the ejector pin is vertical to the top plate; the top plate moves or retreats along the direction of the ejector pin by being arranged on the moving mechanism, the moving mechanism comprises at least two guide posts consistent with the direction of the ejector pin, and the guide posts penetrate through the top plate and are matched with the top plate to guide the direction of the top plate; and a pushing mechanism is arranged below the top plate and comprises a top rod and an inclined top block, the inclined top block is provided with an upper top surface in contact fit with the top plate, an included angle of 15-30 degrees is formed between the lower top surface and the upper top surface, the upper end of the top rod is connected with the inclined top block, and the top rod is vertical to the lower top surface of the inclined top block. The structure can utilize the propelling action of the ejector rod to push the inclined ejector block to change the advancing direction of the ejector pin upwards, so that a product is ejected in a direction with a certain included angle with the advancing direction of the ejector rod, and the purpose of demolding is achieved.

Description

Inclined ejection mechanism for die
Technical Field
The utility model relates to a mould shaping technical field, in particular to mould is with ejecting mechanism to one side.
Background
The mould is divided into a movable mould and a fixed mould according to different positions of the mould on the injection molding machine. When the product is finished, demolding is required. When the characteristics of a movable mold of a product are seriously reversed in a large area, the characteristics and the assembly requirements of the product cannot be changed, so that the upper mold stripping and the lower mold stripping of the traditional movable mold and the fixed mold cannot be realized, and the mold stripping needs to be realized by adopting an integral inclined ejection mold stripping structure. Therefore, there is a need for an improved mold structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve present product movable mould characteristic large tracts of land back-off serious, again can't change the characteristic and the assembly requirement of its product, lead to the problem that can't realize with traditional movable mould cover lower demolding, provide one kind and be applicable to the oblique top structure of this kind of condition. So that the mold can be smoothly ejected by adopting this structure.
The utility model provides a technical scheme that its technical problem adopted is: an inclined ejection mechanism for a die comprises an ejector pin which corresponds to a product and is used for ejecting the product, the rear end of the ejector pin is provided with a top plate connected with the ejector pin, and the ejector pin is vertical to the top plate; the top plate moves or retreats along the direction of the ejector pin by being arranged on the moving mechanism, the moving mechanism comprises at least two guide posts consistent with the direction of the ejector pin, and the guide posts penetrate through the top plate and are matched with the top plate to guide the direction of the top plate; and a pushing mechanism is arranged below the top plate and comprises a top rod and an inclined top block, the inclined top block is provided with an upper top surface in contact fit with the top plate, an included angle of 15-30 degrees is formed between the lower top surface and the upper top surface, the upper end of the top rod is connected with the inclined top block, and the top rod is vertical to the lower top surface of the inclined top block.
This application utilizes the ejector pin to promote along its advancing direction, and the promotion is to one side kicked block upwards, because the kicked block has the last top surface of slope to one side, consequently, the roof can upwards advance along the guide pillar, and its advancing direction is confirmed by the guide pillar, and the advancing of roof drives the motion of thimble to with the ejecting purpose that reaches the drawing of patterns of product.
Further preferably, the upper part of the guide pillar is provided with a limiting structure.
Further preferably, the up-and-down relative positions of the limiting structure and the guide pillar are adjustable.
Further preferably, the limiting structure comprises a sleeve in threaded connection with the guide pillar, the inner wall of the upper half part of the sleeve is provided with a threaded structure matched with the guide pillar, the lower half part of the sleeve is separated from the guide pillar, and the lower end of the sleeve is provided with a limiting surface.
Further preferably, a guide block is arranged on a contact surface of the top plate and the inclined top block.
Further preferably, the guide block is arranged on the top plate, and the top plate is provided with a guide groove matched with the guide block; or
The guide block is arranged on the inclined ejecting block, and the top plate is provided with a matched guide groove; or
Guide grooves are formed in the top plate and the inclined ejecting block, and the upper portion and the lower portion of the guide block are matched with the guide grooves in the inclined ejecting block and the top plate respectively.
Further preferably, the guide block is arranged on the inclined ejecting block, and the top plate is provided with a matched guide groove.
Further preferably, the upper end of the ejector rod is embedded into the inclined ejector block and detachably connected with the inclined ejector block.
The utility model has the advantages that: the ejector pin pushing device has the advantages that the pushing action of the ejector pin can be utilized, the oblique ejector block is pushed to upwards change the advancing direction of the ejector pin, so that a product is ejected out in the direction with a certain included angle with the advancing direction of the ejector pin, the purpose of demolding is achieved, the ejector pin pushing device is suitable for the situation that large-area reverse buckling of the characteristics of a movable mold of the product is serious, the characteristics of the product cannot be changed, and the assembly requirement cannot be changed, so that the situation that the upper mold and the lower mold of the traditional movable mold.
Drawings
Fig. 1 shows a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the guide rod of the present invention.
Fig. 3 is a schematic view of a matching structure of the slanted ejecting block and the top plate of the present invention.
In the figure: the device comprises a product 1, a thimble 2, a guide pillar 3, a top plate 4, an inclined top block 5, a guide block 6, a top rod 7, a limit structure 8, a sleeve 9, a thread structure 10, a limit surface 11 and a guide groove 12.
Detailed Description
Further refinements will now be made on the basis of the representative embodiment shown in the figures. In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which is shown by way of illustration specific embodiments in accordance with the embodiments.
Specifically, referring to fig. 1, 2 and 3, fig. 1, 2 and 3 show an inclined ejection mechanism for a mold, which is suitable for a situation that the product cannot be ejected up and down by using a conventional movable mold and a conventional fixed mold, due to the fact that the product is seriously undercut in a large area and the characteristics and assembly requirements of the product cannot be changed, so that the product can be smoothly ejected.
Specifically, the structure comprises a thimble 2 which corresponds to the product 1 and is used for ejecting the product 1, the rear end of the thimble 2 is provided with a top plate 4 connected with the thimble 2, and the thimble 2 is vertical to the top plate 4; the top plate 4 moves or retreats along the direction of the ejector pin 2 by being arranged on the moving mechanism, the moving mechanism comprises at least two guide pillars 3 consistent with the direction of the ejector pin 2, and the guide pillars 3 penetrate through the top plate 4 and are matched with the top plate 4 to guide the direction of the top plate 4; a pushing mechanism is arranged below the top plate 4 and comprises a top rod 7 and an inclined top block 5, the inclined top block 5 is provided with an upper top surface which is in contact fit with the top plate 4, an included angle of 15-30 degrees is formed between the lower top surface and the upper top surface, the upper end of the top rod 7 is connected with the inclined top block 5, and the top rod 7 is perpendicular to the lower top surface of the inclined top block 5. The upper end of the ejector rod 7 is embedded into the inclined ejector block 5 and is detachably connected with the inclined ejector block 5, and if the upper end of the ejector rod is connected with an internal thread structure in the ejector block 5 by adopting a thread structure.
The included angle between the lower top surface and the upper top surface is the included angle between the advancing direction of the mandril and the demoulding direction. That is, the structure of the lifter block 5 determines the push-out direction of the thimble 2.
The upper part of the guide post 3 is provided with a limiting structure 8 for preventing the top plate 4 from falling off from the guide post, the relative position of the limiting structure 8 and the guide post 3 is adjustable, and the maximum ejection distance of the top plate can be changed by adjusting the advancing stroke of the top plate. Specifically, the limiting structure 8 comprises a sleeve 9 in threaded connection with the guide pillar 3, the inner wall of the upper half part of the sleeve 9 is provided with a threaded structure 10 matched with the guide pillar 3, the lower half part of the sleeve 9 is separated from the guide pillar 3, and the lower end of the sleeve 9 is provided with a limiting surface 11. The relative position adjustment of the sleeve 9 and the guide post is achieved by utilizing the thread structure 10 of the sleeve 9 and the guide post 3, and the limiting surface 11 at the lower end of the sleeve 9 is utilized to limit the top plate 4.
In the process of pushing the ejector rod 7 upwards, the top plate 4 is in contact with the inclined ejector block 5, and the top plate 4 and the inclined ejector block 5 can slide relative to each other, so that a guide block 6 needs to be arranged on the contact surface of the top plate 4 and the inclined ejector block 5 to assist the relative sliding of the top plate 4 and the inclined ejector block.
The arrangement of the guide block 6 can take three forms:
the first method comprises the following steps: the guide block 6 is arranged on the top plate 4, and the top plate 4 is provided with a guide groove 12 matched with the guide block 6;
and the second method comprises the following steps: the guide block 6 is arranged on the inclined ejecting block 5, and the top plate 4 is provided with a matched guide groove 12;
and the third is that: guide grooves 12 are formed in the top plate 4 and the inclined ejecting block 5, and the upper portion and the lower portion of the guide block 6 are matched with the guide grooves 12 in the inclined ejecting block 5 and the top plate 4 respectively.
Here, the second way is adopted, namely the guide block 6 is arranged on the inclined top block 5, and the top plate 4 is provided with a matched guide groove 12. The complete demolding process comprises the following steps: the ejector rod 7 is ejected out along the arrow direction, the inclined ejector block 5 enables the ejector plate 4 to advance along the direction which has an included angle of 15-30 degrees with the ejector rod 7 under the action of the force exerted by the ejector rod 7 through the matching of the connecting guide block 6 and the guide groove 12, and drives the ejector pin 2 to obliquely eject the product upwards along the direction, so that smooth demolding is achieved.
For purposes of explanation, specific nomenclature is used in the above description to provide a thorough understanding of the described embodiments. It will be apparent, however, to one skilled in the art that these specific details are not required in order to practice the embodiments described above. It is not intended to be exhaustive or to limit the embodiments to the precise form disclosed. It will be apparent to those skilled in the art that certain modifications, combinations, and variations can be made in light of the above teachings.

Claims (8)

1. The utility model provides a mould is with ejecting mechanism to one side which characterized in that: the ejection mechanism comprises an ejector pin (2) which corresponds to the product (1) and is used for ejecting the product (1), a top plate (4) connected with the ejector pin (2) is arranged at the rear end of the ejector pin (2), and the ejector pin (2) is vertical to the top plate (4); the top plate (4) moves or retreats along the direction of the ejector pin (2) by being arranged on the moving mechanism, the moving mechanism comprises at least two guide posts (3) consistent with the direction of the ejector pin (2), and the guide posts (3) penetrate through the top plate (4) and are matched with the top plate (4) to be used for guiding the direction of the top plate (4); the pushing mechanism is arranged below the top plate (4) and comprises a push rod (7) and an inclined top block (5), the inclined top block (5) is provided with an upper top surface in contact fit with the top plate (4), an included angle of 15-30 degrees is formed between the lower top surface and the upper top surface, the upper end of the push rod (7) is connected with the inclined top block (5), and the push rod (7) is perpendicular to the lower top surface of the inclined top block (5).
2. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the upper part of the guide post (3) is provided with a limiting structure (8).
3. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the up-down relative position of the limiting structure (8) and the guide post (3) is adjustable.
4. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the limiting structure (8) comprises a sleeve (9) in threaded connection with the guide pillar (3), the inner wall of the upper half part of the sleeve (9) is provided with a threaded structure (10) matched with the guide pillar (3), the lower half part is separated from the guide pillar (3), and the lower end of the sleeve (9) is provided with a limiting surface (11).
5. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the contact surface of the top plate (4) and the inclined top block (5) is provided with a guide block (6).
6. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the guide block (6) is arranged on the top plate (4), and a guide groove (12) matched with the guide block (6) is formed in the top plate (4); or
The guide block (6) is arranged on the inclined top block (5), and the top plate (4) is provided with a matched guide groove (12); or
Guide grooves (12) are formed in the top plate (4) and the inclined top block (5), and the upper portion and the lower portion of the guide block (6) are matched with the guide grooves (12) in the inclined top block (5) and the top plate (4) respectively.
7. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the guide block (6) is arranged on the inclined top block (5), and the top plate (4) is provided with a matched guide groove (12).
8. The angle ejection mechanism for a mold as claimed in claim 1, wherein: the upper end of the ejector rod (7) is embedded into the inclined ejector block (5) and is detachably connected with the inclined ejector block (5).
CN202021560378.4U 2020-07-31 2020-07-31 Inclined ejection mechanism for die Active CN212948993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021560378.4U CN212948993U (en) 2020-07-31 2020-07-31 Inclined ejection mechanism for die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021560378.4U CN212948993U (en) 2020-07-31 2020-07-31 Inclined ejection mechanism for die

Publications (1)

Publication Number Publication Date
CN212948993U true CN212948993U (en) 2021-04-13

Family

ID=75345688

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021560378.4U Active CN212948993U (en) 2020-07-31 2020-07-31 Inclined ejection mechanism for die

Country Status (1)

Country Link
CN (1) CN212948993U (en)

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Address after: 315800 No. 1, building 1 and building 2, No. 37, guantanghe Road, Daqi, Beilun District, Ningbo City, Zhejiang Province

Patentee after: Ningbo Xinlin Mould Technology Co.,Ltd.

Address before: 315800 No.27 chunxiaoguanhai Road, Beilun District, Ningbo City, Zhejiang Province

Patentee before: NINGBO BEILUN XINLIN ELECTROMECHANICAL MOULD CO.,LTD.