CN209738215U

CN209738215U - ejection structure of mold

Info

Publication number: CN209738215U
Application number: CN201920471876.2U
Authority: CN
Inventors: 李俊超; 郎雄; 王凯; 赵东鹏
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-06
Anticipated expiration: 2029-04-09

Abstract

the utility model relates to the technical field of mold, a ejecting structure of mould is disclosed, it includes: the supporting block is fixed on the bottom plate, and an inclined plane is arranged on the supporting block; the ejector pin plate component is connected with the power component in a transmission mode, the central axis of the ejector pin plate component is arranged in an inclined mode, and the power component can drive the ejector pin plate component to move back and forth along the central axis, so that the ejector pin plate component is attached to or separated from the inclined plane. Compared with the prior art, the utility model, having reduced the backing plate, having reduced the whole height of the ejecting structure of this mould, adopting the supporting shoe that has the inclined plane, comparing with current square supporting shoe, guaranteeing to make the material and bearing strength all with the same condition of prior art under, the utility model discloses the thickness of supporting shoe is thinner, and the ratio of the volume of supporting shoe and the square supporting shoe's of prior art volume is between 0.25 to 0.3, has reduced the thickness and the volume of supporting shoe greatly, has saved the preparation material, and the cost of manufacture is reduced.

Description

Ejection structure of mold

Technical Field

The utility model relates to the technical field of mold, especially, relate to an ejecting structure of mould.

Background

Ejection structures for molds are often used in injection molds, and there are many types of ejection structures, such as air ejection, ejector pin ejection, lifter ejection, slide block ejection, ejector sleeve ejection, and back pull ejection. The ejector pin ejection and the inclined ejection are widely applied, the two ejection structures are thick, the overall thickness of the die is increased, the occupied space of the die is large, and the manufacturing cost of the two ejection structures is high.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide an ejecting structure of mould, the thickness of having solved the ejecting structure that prior art exists is thick, with high costs and the big problem of occupation space.

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

An ejection structure of a mold, comprising:

The supporting block is fixed on the bottom plate, and an inclined plane is arranged on the supporting block;

Power component and thimble board subassembly, thimble board subassembly with the power component transmission is connected, just thimble board subassembly's axis is the slope setting, power component can drive thimble board subassembly is followed axis reciprocating motion makes thimble board subassembly with the inclined plane is hugged closely or is separated.

As a preferred scheme of the ejection structure of the die, the central axis of the ejector plate component is perpendicular to the inclined plane and comprises an ejector plate, an ejector rod and an ejector block which are sequentially connected, the power component is connected with the ejector plate, and the ejector plate can be tightly attached to the supporting block.

As a preferable scheme of the ejection structure of the mold, one of the ejector plate and the support block is provided with a protrusion, and the other is provided with a groove, and the protrusion is located in the groove.

As a preferred scheme of the ejection structure of the mold, the protrusions are arranged along the length direction of the ejector plate, and the protrusions are integrally formed on the ejector plate.

as a preferred scheme of the ejection structure of the die, the ejection structure of the die further comprises a movable die frame, the movable die frame is arranged above the power assembly, the power assembly comprises an oil cylinder and an oil cylinder rod, the oil cylinder is fixed on the movable die frame, one end of the oil cylinder rod is connected with the oil cylinder, and the other end of the oil cylinder rod is connected with the ejector plate.

As a preferable scheme of the ejection structure of the mold, the ejection structure of the mold further comprises a limiting structure, and the limiting structure is used for limiting the movement stroke of the ejector plate.

As a preferred scheme of the ejection structure of the die, the ejection structure of the die further comprises square iron and a movable die base plate which are positioned on the bottom plate, one side of the movable die base plate is fixed on the movable die frame, and the other side of the movable die base plate is fixed on the supporting block and the square iron.

As an optimal scheme of the ejection structure of the die, the limiting structure further comprises a limiting column, and the limiting column is arranged on the movable die base plate and used for limiting the stroke of the ejector plate moving obliquely upwards.

As an optimal scheme of the ejection structure of the die, the limit structure further comprises a limit switch, the limit switch comprises a first limit switch and a second limit switch, the first limit switch is fixed on the movable die base plate, the second limit switch is fixed on the supporting block, and the ejector plate can trigger the first limit switch and the second limit switch.

as an optimal scheme of the ejection structure of the mold, the limit structure further comprises a limit plate, and the limit plate is arranged on the ejector plate, is positioned between the first limit switch and the second limit switch, and is used for triggering the first limit switch and the second limit switch.

The utility model has the advantages that: compared with the prior art, having reduced the backing plate, having reduced the whole height of the ejecting structure of this mould, adopting the supporting shoe that has the inclined plane, comparing with current square supporting shoe, guaranteeing to make the material and bearing under the equal condition with prior art of intensity, the utility model discloses the thickness of supporting shoe is thinner, and the ratio of the volume of supporting shoe and the square supporting shoe's of prior art volume is between 0.25 to 0.3, has reduced the thickness and the volume of supporting shoe greatly, has saved the preparation material, and the cost of manufacture obtains reducing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention 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 the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic diagram of an ejection structure of a mold according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a support block, a bottom plate and square iron according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a partial structure of an ejection structure of a mold according to an embodiment of the present invention.

In the figure:

1-bottom plate, 2-supporting block, 21-groove, 3-thimble plate, 31-protrusion, 4-ejector rod, 5-ejector block, 6-oil cylinder rod, 7-oil cylinder, 8-square iron, 9-movable mould frame, 10-limiting column, 11-limiting plate, 12-limiting switch, 121-first limiting switch, 122-second limiting switch and 13-movable mould backing plate.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present embodiment provides an ejection structure of a mold, including a movable mold frame 9, a power assembly, a bottom plate 1, a supporting block 2 and an ejector plate assembly, wherein the movable mold frame 9 is fixed around the bottom plate 1, the power assembly is disposed above the power assembly, and one end of the power assembly is fixed on the movable mold frame 9. One side of the supporting block 2 is fixed on the bottom plate 1, the other side of the supporting block 2 is fixed on the movable mould frame 9, and the supporting block 2 is provided with an inclined plane. The axis of ejector plate subassembly of this embodiment is perpendicular with the inclined plane, of course, the utility model discloses arranging of the axis of ejector plate is not limited to this embodiment, and the axis that can also be the ejector plate is not perpendicular with the inclined plane, but the axis of this ejector plate is the slope setting. The ejector pin plate component is in transmission connection with the power component, so that the power component can drive the ejector pin plate component to move back and forth along the central axis, and the ejector pin plate component is attached to or separated from the inclined plane.

this embodiment compares with prior art, the backing plate has been reduced, the whole height of the ejecting structure of this mould has been reduced, adopt the supporting shoe 2 that has the inclined plane, compare with current square supporting shoe 2, guarantee the preparation material and bear under the equal condition with prior art of intensity, the thickness of this embodiment supporting shoe 2 is thinner, the ratio of the volume of supporting shoe 2 and the square supporting shoe 2's of prior art volume is between 0.25 to 0.3, the thickness and the volume of supporting shoe 2 have been reduced greatly, the preparation material has been saved, the cost of manufacture is reduced.

The thimble board subassembly of this embodiment is including the thimble board 3, ejector pin 4 and kicking block 5 that connect gradually, and thimble board 3 can be hugged closely with supporting shoe 2. The power assembly comprises an oil cylinder 7 and an oil cylinder rod 6, the oil cylinder 7 is fixed on the movable mould frame 9, the oil cylinder rod 6 can extend and shorten, one end of the oil cylinder rod 6 is connected with the oil cylinder 7, and the other end of the oil cylinder rod 6 is connected with the ejector plate 3. One of the ejector plate 3 and the support block 2 is provided with a projection 31, the other is provided with a groove 21, and the projection 31 is located in the groove 21. Specifically, the ejector plate 3 of the present embodiment is provided with the protrusion 31, the supporting block 2 is provided with the groove 21, and the protrusion 31 is located in the groove 21, so that the ejector plate 3 is fixed on the supporting block 2. Specifically, the protrusions 31 are disposed along the length direction of the ejector plate 3, the protrusions 31 are integrally formed on the ejector plate 3, and the grooves 21 are also distributed along the length direction of the support block 2.

The ejecting structure of the mould of this embodiment still includes limit structure, is located square iron 8 and the movable mould backing plate 13 on bottom plate 1, and limit structure is used for restricting ejector plate 3's removal stroke, and on movable mould backing plate 13's one side was fixed in movable mould frame 9, movable mould backing plate 13's opposite side was fixed in on supporting shoe 2 and the square iron 8. The square iron 8 of this embodiment includes two, and two square iron 8 parallel arrangement are on bottom plate 1, of course, the utility model discloses the quantity of square iron 8 is not limited to two of this embodiment, can also be one or more than two, specifically sets up according to actual need.

As shown in fig. 1 to 3, the limiting structure is fixed on the movable mold frame 9, and one end of the ejector plate assembly can reciprocate between the supporting block 2 and the limiting structure. The limiting structure of this embodiment includes limiting plate 11, spacing post 10 and limit switch 12, and a thimble board subassembly of this embodiment corresponds two limit switch 12, is first limit switch 121 and the second limit switch 122 of following ejector pin 4 axial distribution respectively, and limiting plate 11 can trigger first limit switch 121 and second limit switch 122, and on first limit switch 121 was fixed in movable mould backing plate 13, second limit switch 122 was fixed in on the supporting shoe 2. The limit plate 11 is located between the supporting block 2 and the ejector plate assembly and is disposed on the ejector plate 3, and is located between the first limit switch 121 and the second limit switch 122, and is used for triggering the first limit switch 121 and the second limit switch 122. The central axis of the limiting column 10 is parallel to the central axis of the ejector plate assembly, the limiting column 10 is fixed on the movable die base plate 13, and the limiting column 10 is used for limiting the stroke of the ejector plate 3 moving obliquely upwards.

The ejection structure of the mold of the present embodiment further includes a controller (not shown in the drawings), which is a programmable PLC controller, electrically connected to the limit switch 12. The PLC controller is a conventional controller, and its specific structure is not described herein again. Specifically, the thimble plate assembly moves downwards along the axial direction of the ejector rod 4, when the thimble plate assembly moves downwards to the lowest part, the limiting plate 11 touches the second limiting switch 122 below, the second limiting switch 122 transmits a signal to the controller, the controller controls the oil cylinder rod 6 to move upwards, and then drives the thimble plate assembly to move upwards along the axial direction of the ejector rod 4, when the thimble plate assembly moves upwards to the highest part, the limiting plate 11 touches the first limiting switch 121 above, the first limiting switch 121 transmits a signal to the controller, the controller controls the oil cylinder rod 6 to move downwards, and then drives the thimble plate assembly to move downwards along the axial direction of the ejector rod 4, and at this time, the thimble plate assembly completes one reciprocating motion.

it should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. An ejection structure of a mold, comprising:

The supporting device comprises a bottom plate (1) and supporting blocks (2), wherein the supporting blocks (2) are fixed on the bottom plate (1), and inclined planes are arranged on the supporting blocks (2);

2. The ejection structure of the mold according to claim 1, wherein the ejector pin plate assembly comprises an ejector pin plate (3), an ejector pin (4) and an ejector block (5) which are connected in sequence, a central axis of the ejector pin (4) is perpendicular to the inclined plane, the power assembly is connected with the ejector pin plate (3), and the ejector pin plate (3) can be tightly attached to the support block (2).

3. The ejector structure of a die according to claim 2, wherein one of the ejector plate (3) and the support block (2) is provided with a protrusion (31), and the other is provided with a groove (21), and the protrusion (31) is located in the groove (21).

4. the ejector structure of a mold according to claim 3, wherein the protrusion (31) is provided along a length direction of the ejector plate (3), and the protrusion (31) is integrally formed on the ejector plate (3).

5. The ejection structure of the mold according to claim 2, further comprising a movable mold frame (9), wherein the movable mold frame (9) is disposed above the power assembly, the power assembly comprises an oil cylinder (7) and an oil cylinder rod (6), the oil cylinder (7) is fixed on the movable mold frame (9), one end of the oil cylinder rod (6) is connected with the oil cylinder (7), and the other end of the oil cylinder rod is connected with the ejector plate (3).

6. The ejection structure of a mold according to claim 5, further comprising a stopper structure for limiting a movement stroke of the ejector plate (3).

7. The mold ejection structure according to claim 6, further comprising a square iron (8) and a movable mold backing plate (13) on the bottom plate (1), wherein one side of the movable mold backing plate (13) is fixed on the movable mold frame (9), and the other side of the movable mold backing plate (13) is fixed on the support block (2) and the square iron (8).

8. The ejection structure of a mold according to claim 7, wherein the limiting structure comprises a limiting column (10), and the limiting column (10) is disposed on the movable mold base plate (13) to limit a stroke of the ejector plate (3) moving obliquely upward.

9. The ejection structure of a mold according to claim 7, wherein the limit structure further comprises a limit switch (12), the limit switch (12) comprises a first limit switch (121) and a second limit switch (122), the first limit switch (121) is fixed on the movable die backing plate (13), the second limit switch (122) is fixed on the supporting block (2), and the ejector plate (3) can trigger the first limit switch (121) and the second limit switch (122).

10. The ejection structure of the mold according to claim 9, characterized in that the limit structure further comprises a limit plate (11), the limit plate (11) is disposed on the ejector plate (3) and located between the first limit switch (121) and the second limit switch (122) for activating the first limit switch (121) and the second limit switch (122).