CN213533528U

CN213533528U - Precise mold closing system of injection molding machine

Info

Publication number: CN213533528U
Application number: CN202022469088.5U
Authority: CN
Inventors: 潘洁
Original assignee: Ruisu Electronic Technology Suzhou Co ltd
Current assignee: Ruisu Electronic Technology Suzhou Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-25
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a precise mold closing system of an injection molding machine, which comprises a bottom plate and a fastening mechanism; the upper surface of the bottom plate is provided with a chute plate, the left side of the chute plate is connected with a sliding plate in a sliding manner, the upper surface of the sliding plate and the right side of the upper surface of the chute plate are respectively provided with a mounting plate, the lower ends of the opposite inner side surfaces of the two mounting plates are respectively provided with a lower clamping plate, T-shaped rods are symmetrically arranged at the upper ends of the two mounting plates and are respectively connected with the inside of a round hole in a sliding manner, the lower ends of the two T-shaped rods at the upper end of the same mounting plate are respectively fixedly connected with the upper clamping plates, the middle parts of the upper surfaces of the two upper clamping plates are; the fastening mechanism is arranged in the middle of the two mounting plates. The precise die assembly system of the injection molding machine can ensure that the positions of the movable die and the fixed die correspond during die assembly, reduce the error generated when the sliding plate slides and improve the precision of die assembly.

Description

Precise mold closing system of injection molding machine

Technical Field

The utility model relates to an injection molding process technical field specifically is an injection molding machine precision mold closing system.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is divided into a vertical type, a horizontal type and an all-electric type. An injection molding machine generally comprises an injection system, a mold closing system, a hydraulic transmission system, an electrical control system, a lubricating system, a heating and cooling system, a safety monitoring system and the like; the mold closing system has the functions of ensuring that the mold is closed, opened and ejected out of a product, and simultaneously, after the mold is closed, sufficient mold locking force is supplied to the mold to resist the mold cavity pressure generated when molten plastic enters a mold cavity, so that the bad situation of the product caused by the opening of the mold is prevented. Most of existing injection molding machine mold closing systems fix a mold through bolts, the fixation is not firm enough, errors generated by sliding during mold closing are large, and mold closing precision is low, so that the injection molding machine precision mold closing system is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an injection molding machine precision compound die system, can be fixed movable mould and cover half completely, movable mould and cover half position correspond when guaranteeing the compound die, and movable mould and cover half incline when preventing the compound die can reduce the error of the production when the slide slides, improve the precision of compound die, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a precise mold closing system of an injection molding machine comprises a bottom plate and a fastening mechanism;

the upper surface of the bottom plate is provided with a chute plate, the left side of the chute plate is connected with a sliding plate in a sliding manner, the upper surface of the sliding plate and the right side of the upper surface of the chute plate are provided with mounting plates, the lower ends of the opposite inner side surfaces of the two mounting plates are respectively provided with a lower clamping plate, T-shaped rods are symmetrically arranged at the upper ends of the two mounting plates and are respectively connected with the inside of a round hole in a sliding manner, the lower ends of the two T-shaped rods at the upper end of the same mounting plate are respectively fixedly connected with the upper clamping plates, the middle parts of the upper surfaces of the two upper clamping plates are rotatably;

the fastening mechanism is arranged in the middle of the two mounting plates;

still include the mounting hole, the mounting hole evenly sets up in the four corners of bottom plate, can be fixed movable mould and cover half completely, and movable mould and cover half position correspond when guaranteeing the compound die, and movable mould and cover half incline when preventing the compound die can reduce the error of the production when the slide slides, improve the precision of compound die.

Further, fastening device includes mounting groove, clamp plate and second lead screw, the middle part of mounting panel is provided with the mounting groove, and the screw hole internal thread that the mounting groove inside wall set up has the second lead screw, and the relative inboard end of second lead screw all is provided with the clamp plate, and the clamp plate is located corresponding mounting groove respectively inside, fixes movable mould and cover half completely, and movable mould and cover half incline when preventing the compound die.

Further, the movable mould fixing device further comprises a limiting protrusion, wherein the limiting protrusion is arranged on the inner side faces, corresponding to the upper clamping plate and the lower clamping plate, of the vertical corresponding, the limiting protrusion is symmetrically arranged in the front and back direction and corresponds to the transverse position, and the movable mould and the fixed mould correspond in position when the mould is closed.

Further, still include arc arch and oilhole, the arc arch evenly sets up in the upper surface of spout board, and the inside of slide is provided with the spout that corresponds with the arc arch respectively, and the oilhole sets up in the upper surface right side of slide, the oilhole and the inside intercommunication of slide, and the upper end threaded connection of oilhole has sealing screw, improves the precision of compound die, makes the movable mould move more smoothly.

Further, still include material ejection hole and feed port, the material ejection hole sets up in left mounting panel middle part, and the feed port sets up in the mounting panel middle part on right side, conveniently moulds plastics and liftout.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the left mounting plate is connected with a moving end of an external injection molding machine, a T-shaped rod is in sliding connection with a round hole in the upper end of the mounting plate, a moving die and a fixed die of an injection mold are respectively mounted on the opposite inner side surfaces of the two mounting plates by matching of a lower clamp plate and an upper clamp plate, a first lead screw rotationally connected with the upper surface of the upper clamp plate is in threaded connection with a threaded hole in the upper end of the corresponding mounting plate, the upper clamp plate is moved downwards by rotating the first lead screw to be matched with the lower clamp plate to clamp the mold, limiting bulges are symmetrically arranged on the opposite inner side surfaces of the vertically corresponding lower clamp plate and upper clamp plate, and the limiting bulges respectively correspond to;

2. the threaded holes formed in the inner side wall of the mounting groove are internally and uniformly in threaded connection with second lead screws, the second lead screws are rotated to enable the second lead screws to move oppositely relative to the pressing plates arranged at the ends of the inner sides, the pressing plate on the right side is in contact with the fixed die, and the pressing plate on the left side is in contact with the movable die, so that the movable die and the fixed die are completely fixed, and the movable die and the fixed die are prevented from deflecting;

3. during the compound die, the removal end of injection molding machine promotes left mounting panel and moves right, the slide that left mounting panel lower extreme set up and the mounting panel lower extreme on right side set up sliding connection, the movement track of movable mould when can guaranteeing the compound die, prevent that the inside track of injection molding machine from ageing to lead to the compound die incline, the inside of slide is provided with the spout that corresponds with the arc arch, the error of the production when can reducing the slide and slide, improve the precision of compound die, the oilhole is convenient for add lubricating oil to the inside of slide, the slide and the spout board of being convenient for are maintained, it is more smooth and easy to make the movable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal section of the structure of the present invention.

In the figure: 1. the novel steel plate comprises a bottom plate, 2 parts of fastening mechanisms, 21 parts of mounting grooves, 22 parts of pressing plates, 23 parts of second screw rods, 3 parts of sliding groove plates, 4 parts of arc-shaped protrusions, 5 parts of sliding plates, 6 parts of mounting plates, 7 parts of material ejection holes, 8 parts of feeding holes, 9 parts of lower clamping plates, 10 parts of T-shaped rods, 11 parts of upper clamping plates, 12 parts of first screw rods, 13 parts of limiting protrusions, 14 parts of mounting holes and 15 parts of oil holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a precision mold closing system for an injection molding machine, which comprises a bottom plate 1 and a fastening mechanism 2; still include mounting hole 14, mounting hole 14 evenly sets up in the four corners of bottom plate 1, and the installation of bottom plate 1 of being convenient for is fixed.

Wherein: the upper surface of the bottom plate 1 is provided with a chute plate 3, the left side of the chute plate 3 is connected with a sliding plate 5 in a sliding manner, the upper surface of the sliding plate 5 and the right side of the upper surface of the chute plate 3 are both provided with mounting plates 6, the lower ends of the opposite inner side surfaces of the two mounting plates 6 are both provided with lower clamping plates 9, T-shaped rods 10 are connected inside circular holes symmetrically arranged at the upper ends of the two mounting plates 6 in a sliding manner, the lower ends of the two T-shaped rods 10 positioned at the upper end of the same mounting plate 6 are both fixedly connected with an upper clamping plate 11, the middle parts of the upper surfaces of the two upper clamping plates 11 are both rotatably connected with first lead screws 12, and the upper ends; the mounting plate 6 on the right side is connected with the fixed end of an external injection molding machine, the mounting plate 6 on the left side is connected with the moving end of the external injection molding machine, a T-shaped rod 10 is connected with the round hole at the upper end of the mounting plate 6 in a sliding mode, a movable die and a fixed die of an injection mold are respectively mounted on the relative inner side faces of the two mounting plates 6 through the cooperation of a lower clamping plate 9 and an upper clamping plate 11, a first screw rod 12 connected with the upper surface of the upper clamping plate 11 in a rotating mode is in threaded connection with a threaded hole at the upper end of the corresponding mounting plate 6, and the upper.

Wherein: the fastening mechanism 2 is arranged in the middle of the two mounting plates 6, and the fastening mechanism 2 comprises a mounting groove 21, a pressing plate 22 and a second screw rod 23; the middle part of mounting panel 6 evenly is provided with mounting groove 21, the inside equal threaded connection of screw hole that the inside wall of mounting groove 21 set up has second lead screw 23, the relative inboard end of second lead screw 23 all is provided with clamp plate 22, clamp plate 22 is located the inside mounting groove 21 that corresponds respectively, the inside equal threaded connection of screw hole that the inside wall of mounting groove 21 set up has second lead screw 23, it makes the relative inboard end of second lead screw 23 the clamp plate 22 of setting up move in opposite directions to rotate second lead screw 23, clamp plate 22 and the cover half contact on right side, left clamp plate 22 and movable mould contact, thereby fix movable mould and cover half completely, movable mould and cover half incline when preventing the compound die.

Wherein: still include spacing arch 13, spacing arch 13 sets up respectively in the relative medial surface of the lower plate 9 and the punch holder 11 of vertical correspondence, and spacing arch 13 is symmetry setting and transverse position around being and corresponds, and movable mould and cover half position correspond when guaranteeing the compound die.

Wherein: still include arc arch 4 and oilhole 15, arc arch 4 evenly sets up in the upper surface of chute board 3, the inside of slide 5 is provided with the spout that corresponds with arc arch 4 respectively, oilhole 15 sets up in the upper surface right side of slide 5, oilhole 15 communicates with the inside of slide 5, the upper end threaded connection of oilhole 15 has sealing screw, can reduce the error of the production when slide 5 slides, improve the precision of compound die, oilhole 15 is convenient for add lubricating oil to the inside of slide 5, be convenient for slide 5 and chute board 3 maintain, it is more smooth and easy to make the movable mould move.

Wherein: still include material ejection hole 7 and feed port 8, material ejection hole 7 sets up in the 6 middle parts of left mounting panel, and feed port 8 sets up in the 6 middle parts of right mounting panel, conveniently moulds plastics and liftout.

The utility model discloses a theory of operation:

firstly, a bottom plate 1 is arranged at a proper position of an external injection molding machine by using bolts through mounting holes 14, a mounting plate 6 at the right side is connected with a fixed end of the external injection molding machine, a mounting plate 6 at the left side is connected with a moving end of the external injection molding machine, a T-shaped rod 10 is connected with a round hole at the upper end of the mounting plate 6 in a sliding way, a lower clamping plate 9 is matched with an upper clamping plate 11 to respectively mount a moving die and a fixed die of an injection mold on the opposite inner side surfaces of the two mounting plates 6, an injection molding end of the injection molding machine penetrates through a feeding hole 8 and is communicated with a feeding hole of the mold, an ejection end of the injection molding machine penetrates through an ejection hole 7 and is connected with an ejection mechanism of the mold, a first screw rod 12 which is rotatably connected with the upper surface of the upper clamping plate 11 is in threaded connection with a threaded hole at the upper end of the corresponding mounting plate 6, the limiting protrusions 13 respectively correspond to the arc-shaped grooves corresponding to the edges of the die, so that the movable die and the fixed die are ensured to be corresponding in position when the die is closed;

then, the threaded holes arranged on the inner side wall of the mounting groove 21 are internally and uniformly in threaded connection with second screw rods 23, the second screw rods 23 are rotated to enable the second screw rods 23 to move oppositely relative to pressing plates 22 arranged at the ends of the inner sides, the pressing plate 22 on the right side is contacted with the fixed die, and the pressing plate 22 on the left side is contacted with the movable die, so that the movable die and the fixed die are completely fixed, and the movable die and the fixed die are prevented from deflecting during die assembly;

during the compound die, the removal end of injection molding machine promotes left mounting panel 6 and moves right, slide 5 that the slide of 6 lower extremes of left mounting panel set up and the 3 sliding connection of slide 6 lower extremes of right side set up, the movement track of movable mould when can guaranteeing the compound die, prevent that the inside track of injection molding machine from ageing to lead to the compound die incline, the inside of slide 5 is provided with the spout that corresponds with arc arch 4, the error of the production when can reduce slide 5 and slide, improve the precision of compound die, oilhole 15 is convenient for add lubricating oil to the inside of slide 5, be convenient for slide 5 and slide 3 to maintain, it is more smooth and easy to make the movable mould move.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision mold closing system of injection molding machine which characterized in that: comprises a bottom plate (1) and a fastening mechanism (2);

the upper surface of the bottom plate (1) is provided with a sliding groove plate (3), the left side of the sliding groove plate (3) is connected with a sliding plate (5) in a sliding mode, the upper surface of the sliding plate (5) and the right side of the upper surface of the sliding groove plate (3) are both provided with mounting plates (6), the lower ends of the opposite inner side surfaces of the two mounting plates (6) are both provided with lower clamping plates (9), T-shaped rods (10) are connected inside round holes symmetrically formed in the upper ends of the two mounting plates (6) in a sliding mode, the lower ends of the two T-shaped rods (10) positioned at the upper end of the same mounting plate (6) are both fixedly connected with upper clamping plates (11), the middle parts of the upper surfaces of the two upper clamping plates (11) are both rotatably connected with first screw rods (12), and the upper ends of the two first screw rods (12;

the fastening mechanism (2) is arranged in the middle of the two mounting plates (6);

four corners of the bottom plate (1) are provided with mounting holes (14).

2. The precision clamping system of an injection molding machine of claim 1, wherein: the fastening mechanism (2) comprises a mounting groove (21), a pressing plate (22) and a second screw rod (23); the middle part of mounting panel (6) is provided with mounting groove (21), the threaded hole internal thread that mounting groove (21) inside wall set up has second lead screw (23), the relative inboard end of second lead screw (23) is provided with clamp plate (22), clamp plate (22) are located the correspondence inside mounting groove (21).

3. The precision clamping system of an injection molding machine of claim 1, wherein: still include spacing arch (13), spacing arch (13) set up respectively in vertical correspondence the relative medial surface of lower plate (9) and punch holder (11), spacing arch (13) front and back symmetry sets up and transverse position corresponds.

4. The precision clamping system of an injection molding machine of claim 1, wherein: the oil pump also comprises an arc-shaped bulge (4) and an oil hole (15); arc arch (4) set up in the upper surface of spout board (3), the inside of slide (5) be provided with the spout that arc arch (4) correspond, oilhole (15) set up in the upper surface right side of slide (5) and with the inside intercommunication of slide (5), the upper end threaded connection of oilhole (15) has sealing screw.

5. The precision clamping system of an injection molding machine of claim 1, wherein: the device also comprises a material ejecting hole (7) and a material feeding hole (8); the material ejection hole (7) is formed in the middle of the mounting plate (6) on the left side, and the material feeding hole (8) is formed in the middle of the mounting plate (6) on the right side.