CN214872417U

CN214872417U - Ejection stroke prolonging device for injection mold

Info

Publication number: CN214872417U
Application number: CN202120079546.6U
Authority: CN
Inventors: 刘剑
Original assignee: Kunshan Henglingda Precision Mould Co ltd
Current assignee: Kunshan Henglingda Precision Mould Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-26
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses an ejecting stroke device of extension based on injection mold, including the mould bottom plate, mould bottom plate top fixed mounting has the fixed plate, fixed plate top movable mounting has the movable mould roof, fixed surface embedding installs the gas vaulting pole on the mould bottom plate, the gas vaulting pole runs through the fixed plate with movable mould roof fixed connection, movable mould piece is installed in movable mould roof upper surface activity embedding, the hole groove has been seted up to the fixed plate upper surface, fixed surface installs the air pump under the movable mould piece, the air pump passes through the hole groove with fixed plate swing joint, the through-hole has been seted up to movable mould piece upper surface, the ejector pin is installed in the inside activity embedding of through-hole, ejector pin surface activity installs hollow sealing rod, hollow sealing rod lower extreme fixed mounting has the closure plate. A based on injection mold is with ejecting stroke device of extension, can avoid the hydraulic stem structure to cause the pollution, make the movable mould piece be convenient for change.

Description

Ejection stroke prolonging device for injection mold

Technical Field

The utility model relates to an injection mold field, in particular to based on injection mold is with extension ejecting stroke device.

Background

Various mold closing devices are provided with ejection devices, the ejection devices can be divided into mechanical ejection, hydraulic ejection, pneumatic ejection and the like, the mechanical ejection comprises ejector rod ejection, pipe ejection, push plate ejection and the like, the maximum ejection stroke device of a conventional injection molding machine is 400mm, and the ejection stroke requirement of an injection mold of certain large-scale deep-cavity plastic part products exceeds 400mm, so that technical measures are required to be taken to prolong the ejection stroke; the existing injection mold has certain disadvantages in use of the extension ejection stroke device, the ejection stroke structure mostly uses a hydraulic rod structure, the pollution is easily caused, and the movable mold block is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a based on injection mold is with extension ejecting stroke device, can effectively solve the problem in the background art.

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

the utility model provides an ejecting stroke device of extension based on injection mold, includes the mould bottom plate, mould bottom plate top fixed mounting has the fixed plate, fixed plate top movable mounting has the movable mould roof, the fixed surface embedding of mould bottom plate upper surface installs the gas vaulting pole, the gas vaulting pole runs through the fixed plate with movable mould roof fixed connection, movable mould piece is installed in movable mould roof upper surface activity embedding.

Preferably, the upper surface of the fixed plate is provided with a hole groove, the lower surface of the movable mould block is fixedly provided with an air pump, and the air pump is movably connected with the fixed plate through the hole groove.

Preferably, the upper surface of the movable model block is provided with a through hole, a mandril is movably embedded in the through hole, the surface of the mandril is movably provided with a hollow sealing rod, and the lower end of the hollow sealing rod is fixedly provided with a blocking plate; the through hole is fixedly connected with the air pump.

Preferably, the upper surface of the blocking plate is provided with an air inlet, the surface of the air inlet is provided with a sealing opening, a sealing plate is movably embedded in the sealing opening, and a thread groove is formed in the sealing plate.

Preferably, a motor is fixedly mounted inside the blocking plate, a threaded rotating shaft is fixedly mounted at one end of the motor, the threaded rotating shaft is movably connected with the sealing plate through the threaded groove, a wireless control device is fixedly embedded in the upper surface of the blocking plate, and the wireless control device is fixedly connected with the motor.

Preferably, the fixed surface embedding of movable mould roof installs the bolt, the inside movable mounting of bolt has the push rod of stirring, stir push rod one end fixed mounting have return spring, return spring one end with the inside side fixed surface of bolt is connected, move the model piece both sides surface and all seted up spacing hole, stir the push rod other end run through bolt a side surface with spacing hole swing joint.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the air pump is connected with the air pump through the connector at the lower end of the air supporting rod, after the injection molding is finished, the air pump runs, the air pump is pumped into the through hole, the blocking plate moves upwards under the pressure effect, the hollow sealing rod drives the ejector rod to move upwards, thereby ejecting the plastic product, when the ejection stroke needs to be prolonged, the air supporting rod props up the movable mold top plate, the movable mold block drives the plastic product to move outwards together, then the motor is controlled to rotate through the wireless control device, the thread rotating shaft rotates in the thread groove, thereby the sealing plate is moved out from the inside of the sealing port, then the air is pumped in from the air inlet, the ejector rod moves upwards in the hollow sealing rod, thereby the ejection stroke is prolonged, when the plastic products with different shapes need to be injected, the push rod is stirred, the stirring push rod is separated from the limiting hole, thereby the movable mold block is disassembled and replaced, the injection molding diversity of the mold is improved, the cost of changing the mould is reduced, and return spring gives and stirs an outside power of push rod, makes it and spacing hole zonulae occludens, improves the stability of structure.

Drawings

Fig. 1 is a schematic view of the overall structure of an ejection stroke extending device for an injection mold according to the present invention;

fig. 2 is an enlarged view of a position a in fig. 1 of the device for extending the ejection stroke based on the injection mold of the present invention;

fig. 3 is an enlarged view of the position B in fig. 1 of the device for extending the ejection stroke based on the injection mold of the present invention;

fig. 4 is an enlarged view of the C point in fig. 1 of the device for extending the ejection stroke based on the injection mold of the present invention.

In the figure: 1. a mold base plate; 2. a fixing plate; 201. a hole groove; 3. a movable mold top plate; 4. a moving model block; 401. a through hole; 402. a limiting hole; 5. a bolt; 501. the push rod is pulled; 502. a return spring; 6. a blocking plate; 601. a hollow sealing rod; 602. a top rod; 603. an air inlet; 604. sealing the opening; 605. a wireless control device; 7. a motor; 701. a threaded shaft; 702; a sealing plate; 703. a thread groove; 8. a gas strut; 9. an air pump.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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. 1-4, an injection mold-based device for extending an ejection stroke comprises a mold base plate 1, a fixed plate 2 is fixedly mounted above the mold base plate 1, a movable mold top plate 3 is movably mounted above the fixed plate 2, an air supporting rod 8 is fixedly embedded and mounted on the upper surface of the mold base plate 1, the air supporting rod 8 penetrates through the fixed plate 2 and is fixedly connected with the movable mold top plate 3, and a movable mold block 4 is movably embedded and mounted on the upper surface of the movable mold top plate 3;

the upper surface of the fixed plate 2 is provided with a hole groove 201, the lower surface of the movable model block 4 is fixedly provided with an air pump 9, and the air pump 9 is movably connected with the fixed plate 2 through the hole groove 201; the upper surface of the movable mould block 4 is provided with a through hole 401, a push rod 602 is movably embedded and installed in the through hole 401, the surface of the push rod 602 is movably provided with a hollow sealing rod 601, and the lower end of the hollow sealing rod 601 is fixedly provided with a blocking plate 6; the through hole 401 is fixedly connected with the air pump 9; an air inlet 603 is formed in the upper surface of the blocking plate 6, a sealing opening 604 is formed in the surface of the air inlet 603, a sealing plate 702 is movably embedded in the sealing opening 604, and a thread groove 703 is formed in the sealing plate 702; a motor 7 is fixedly arranged in the blocking plate 6, a threaded rotating shaft 701 is fixedly arranged at one end of the motor 7, the threaded rotating shaft 701 is movably connected with the sealing plate 702 through a threaded groove 703, a wireless control device 605 is fixedly embedded in the upper surface of the blocking plate 6, and the wireless control device 605 is fixedly connected with the motor 7 to prolong the ejection stroke; bolt 5 is installed in the fixed surface embedding of 3 lower surfaces of movable mould roof, push rod 501 is stirred in 5 inside movable mounting of bolt, stir push rod 501 one end fixed mounting have return spring 502, return spring 502 one end and the inside side fixed surface of bolt 5 are connected, move 4 side surfaces of model piece and all seted up spacing hole 402, stir the push rod 501 other end and run through 5 side surfaces of bolt and spacing hole 402 swing joint, will move 4 dismantlements of model piece and change, improve the variety of moulding plastics of mould, reduce the cost of changing the mould.

It should be noted that, the utility model relates to an extend the lift stroke device based on injection mold, during the installation, the air pump is connected through the joint of lower extreme with gas vaulting pole 8, after the injection molding, air pump 9 operates, pump the air into the through-hole 401 inside, jam plate 6 moves up under the pressure, make hollow seal rod 601 drive ejector pin 602 move up, thus push out the plastic products, when needing to extend the lift stroke, gas vaulting pole 8 props up, jack up movable mould roof 3, make movable mould block 4 drive the plastic products and move outward together, then control motor 7 to rotate through wireless control device 605, make screw thread pivot 701 rotate in thread groove 703 inside, thus make seal plate 702 move out from the inside of sealing port 604, then the air is pumped from air inlet 603, make ejector pin 602 move up in the inside hollow seal rod 601, thus lengthen the lift stroke, when needing to mould plastic products of different shapes, stir and stir push rod 501, make and stir push rod 501 and spacing hole 402 separation to move model block 4 and dismantle the change, improve the variety of moulding plastics of mould, reduce the cost of changing the mould, return spring 502 gives and stirs an outside power of push rod 501, makes its and spacing hole 402 zonulae occludens, improves the stability of structure.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a based on ejecting stroke device of extension for injection mold which characterized in that: including mold base plate (1), mold base plate (1) top fixed mounting has fixed plate (2), fixed plate (2) top movable mounting has movable mould roof (3), mold base plate (1) is gone up fixed surface embedding and is installed gas vaulting pole (8), gas vaulting pole (8) run through fixed plate (2) with movable mould roof (3) fixed connection, movable mould piece (4) are installed in movable mould roof (3) upper surface activity embedding.

2. The device for extending the ejection stroke based on the injection mold according to claim 1, wherein: the upper surface of the fixing plate (2) is provided with a hole groove (201), the lower surface of the movable mould block (4) is fixedly provided with an air pump (9), and the air pump (9) is movably connected with the fixing plate (2) through the hole groove (201).

3. The device for extending the ejection stroke based on the injection mold according to claim 2, wherein: the upper surface of the movable mould block (4) is provided with a through hole (401), a push rod (602) is movably embedded in the through hole (401), a hollow sealing rod (601) is movably installed on the surface of the push rod (602), and the lower end of the hollow sealing rod (601) is fixedly provided with a blocking plate (6); the through hole (401) is fixedly connected with the air pump (9).

4. The device for extending the ejection stroke based on the injection mold according to claim 3, wherein: the air inlet (603) is formed in the upper surface of the blocking plate (6), the sealing opening (604) is formed in the surface of the air inlet (603), the sealing plate (702) is movably embedded in the sealing opening (604), and the thread groove (703) is formed in the sealing plate (702).

5. The device of claim 4, wherein the ejection stroke of the ejection mechanism is extended by the device of claim 4, further comprising: the novel sealing device is characterized in that a motor (7) is fixedly mounted inside the blocking plate (6), a threaded rotating shaft (701) is fixedly mounted at one end of the motor (7), the threaded rotating shaft (701) is connected with the sealing plate (702) in a movable mode through the threaded groove (703), a wireless control device (605) is fixedly embedded in the upper surface of the blocking plate (6), and the wireless control device (605) is fixedly connected with the motor (7).

6. The device for extending the ejection stroke based on the injection mold according to claim 1, wherein: bolt (5) are installed in the fixed surface embedding of movable mould roof (3), push rod (501) are stirred in the inside movable mounting of bolt (5), stir push rod (501) one end fixed mounting have return spring (502), return spring (502) one end with the inside side fixed surface of bolt (5) is connected, spacing hole (402) have all been seted up on movable mould piece (4) both sides surface, stir push rod (501) other end run through bolt (5) a side surface with spacing hole (402) swing joint.