CN111645262A

CN111645262A - Mold replacing and demolding device for injection molding machine mold

Info

Publication number: CN111645262A
Application number: CN202010549433.8A
Authority: CN
Inventors: 张恒
Original assignee: Hangzhou Yabang Intelligent Technology Co ltd
Current assignee: Hangzhou Yabang Intelligent Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-09-11

Abstract

The invention discloses a mold replacing and demolding device for an injection molding machine, which comprises a base, wherein supporting blocks are symmetrically arranged at the left end and the right end of the base, a top plate is fixedly arranged at the upper ends of the supporting blocks, a mold replacing cavity is arranged at the front part of the base, a connecting cavity is arranged at the rear side of the mold replacing cavity, mold replacing components for mold replacing are arranged on the base and above the base, the mold replacing components comprise a left mold block fixedly arranged at the left part of the upper end of the base, when the device works, a mold replacing plate can be used for replacing a mold through the mold replacing components, an injection molding product can be demolded through the demolding components, the product can enter a collecting box through a sucker through a product collecting component, the mold replacing efficiency is improved, the personal safety is.

Description

Mold replacing and demolding device for injection molding machine mold

Technical Field

The invention relates to the technical field of plastic molds, in particular to a mold replacing and demolding device for an injection molding machine mold.

Background

A plastic mold is a tool which is matched with a plastic molding machine in the plastic processing industry and gives a complete configuration and accurate dimension to a plastic product. Because the plastic varieties and processing methods are various, and the structures of the plastic forming machine and the plastic products are various and simple, the types and the structures of the plastic molds are also various, different plastic products need different plastic molds, but the different plastic molds need to be manually installed when being installed, the replacement efficiency is lower, certain danger exists when the molds are replaced, in addition, the products need to be naturally cooled and demoulded when in injection molding, and the working efficiency is low.

Disclosure of Invention

Aiming at the technical defects, the invention provides a mold replacing and demolding device for an injection molding machine mold, which can overcome the defects.

The invention relates to a mold replacing and demolding device of an injection molding machine, which comprises a base, wherein supporting blocks are symmetrically arranged at the left end and the right end of the base, a top plate is fixedly arranged at the upper end of each supporting block, a mold replacing cavity is arranged at the front part of the base, a connecting cavity is arranged at the rear side of the mold replacing cavity, a mold replacing component for replacing a mold is arranged on the base and the upper part of the base, the mold replacing component comprises a left mold block fixedly arranged at the left part of the upper end of the base, a right mold block is connected with the right part of the upper end of the base in a left-right sliding mode, an injection molding opening is formed in the left mold block and the outside, a mold can be arranged between the left mold block and the right mold block and is connected with the left mold block and the right mold block in a sliding mode, a fixed shaft extending forwards and backwards is rotatably connected between the mold, annular plate upper end fixed mounting have with slide rail sliding connection's mounting panel, right side module left end be provided with can with the hydraulic telescoping sleeve of mould right-hand member cooperation installation, be provided with the transmission chamber in the roof, transmission chamber right side is provided with the transition chamber, link up the chamber with be provided with the spout between the die cavity of trading, trade the die cavity with be provided with the drawing of patterns subassembly that is used for carrying out the drawing of patterns to the product between base transmission chamber, the base top with be provided with the product collection subassembly that is used for carrying out the collection to the product between the transmission chamber.

Preferably, the die replacing component further comprises a driving motor fixedly mounted on the right inner wall of the connecting cavity, a spline shaft extending left and right is arranged at the tail end of the driving motor, a spline sleeve is matched with a spline on the spline shaft, the right inner wall of the connecting cavity is rotatably connected with a connecting shaft positioned above the spline shaft, a main gear is fixedly connected to the left end of the spline sleeve, a driven gear capable of being meshed with the main gear is fixedly connected to the connecting shaft, a rotary disc is fixedly connected to the left end of the connecting shaft, a hinge rod is hinged to the left end of the rotary disc, a die changing plate in sliding connection with the front and the back of the chute is hinged to the left end of the hinge rod, the die changing plate can be ejected out or pulled into the die, an incomplete gear is fixedly connected to the fixed shaft and meshed with the annular plate, and a chute wheel positioned in the connecting cavity, the connecting shaft is fixedly connected with an inclined drive plate which is rotatably connected with the inclined chute wheel, the spline sleeve is rotatably connected with a moving block which is connected with the inner wall of the bottom side of the connecting cavity in a left-right sliding mode, and the inner wall of the right side of the connecting cavity is fixedly provided with an electric telescopic rod fixedly arranged with the moving block.

Preferably, the demoulding component comprises a connecting shaft fixedly arranged with the inner wall of the front side of the joining cavity, a rotating shaft extending forwards and backwards is rotatably connected between the connecting cavity and the die changing cavity, the connecting shaft is in transmission connection with the rotating shaft through a belt wheel, a main bevel gear is fixedly connected to the spline sleeve, a secondary bevel gear which can be meshed with the main bevel gear is fixedly connected to the rotating shaft, a fixed block is fixedly arranged on the inner wall of the bottom side of the die changing cavity, a swinging disc which is positioned in the die changing cavity and is provided with an annular groove is fixedly connected to the rotating shaft, the annular groove is connected with a sliding block in a sliding way, the front end of the sliding block is hinged with a swinging plate hinged with the fixed block, the inner wall of the bottom side of the mold changing cavity is connected with a movable plate in a left-right sliding mode, the front end of the swinging plate is hinged with a push rod hinged with the movable plate, and the rear side of the upper end of the movable plate is provided with a connecting plate fixedly mounted with the right module.

Preferably, the product collecting assembly comprises a transition shaft fixedly mounted on the inner wall of the right side of the linking cavity, the transition shaft is in transmission connection with the connecting shaft through a bevel gear, the transition cavity is in transmission connection with a transmission shaft extending leftwards and rightwards in a rotating mode between the transmission cavity, the transmission shaft is in transmission connection with the transition shaft through a belt pulley, a rotating barrel is in transition connection with the transmission shaft, a track groove is formed in the rotating barrel, a collecting box is fixedly mounted on the rear side of the right portion of the base, a moving groove is formed in the transmission cavity and the lower portion of the transmission cavity, a shifting rod is connected in the moving groove in a sliding mode and is in sliding connection with the track groove in a sliding mode, and a sucking disc used for sucking.

Preferably, the drawing of patterns subassembly still include with transmission chamber rear side inner wall rotates and is connected with the driven shaft that extends around, the driven shaft pass through bevel gear with the transmission shaft transmission is connected, fixed connection even disc on the driven shaft, circular transmission chamber and below upper and lower sliding connection have be used for right the stripper plate that the product demolded, stripper plate upper end fixed mounting have with the disc passes through connecting rod sliding connection's rectangle frame.

The beneficial effects are that: the device during operation can make the retooling board change the mould through the mould change subassembly, can make the injection moulding product drawing of patterns through drawing of patterns subassembly, can make the product pass through the sucking disc and get into the collecting box through the product collection subassembly, has improved retooling efficiency to guarantee personal safety, improved production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a mold changing and demolding device of an injection molding machine according to the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure C-C in FIG. 2 according to an embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a mold replacing and demolding device of an injection molding machine, which comprises a base 11, wherein supporting blocks 13 are symmetrically arranged at the left end and the right end of the base 11, a top plate 61 is fixedly arranged at the upper end of each supporting block 13, a mold replacing cavity 12 is arranged at the front part of the base 11, a connecting cavity 59 is arranged at the rear side of the mold replacing cavity 12, mold replacing components for mold replacing are arranged on the base 11 and above the base 11, each mold replacing component comprises a left mold block 14 fixedly arranged at the left part of the upper end of the base 11, a right mold block 32 is connected to the right part of the upper end of the base 11 in a left-right sliding mode, an injection molding opening 15 is formed between the left mold block 14 and the right mold block 32, a mold 17 can be arranged between the left mold block 14 and the right mold block 32, the mold 17 is connected with the left mold block 14 and the right mold block, the die change mechanism is characterized in that an annular plate 18 is connected to the inner wall of the rear side of the die change cavity 12 in a left-right sliding mode, a sliding rail 16 is arranged above the die change cavity 12 and outside, a mounting plate 22 in sliding connection with the sliding rail 16 is fixedly mounted at the upper end of the annular plate 18, a hydraulic telescopic sleeve 21 which can be installed in a matched mode with the right end of the die 17 is arranged at the left end of the right die block 32, a transmission cavity 35 is arranged in the top plate 61, a transition cavity 33 is arranged on the right side of the transmission cavity 35, a sliding groove 60 is formed between the connection cavity 59 and the die change cavity 12, a demolding assembly used for demolding products is arranged between the die change cavity 12 and the transmission cavity 35 of the base 11, and a product collecting assembly used for collecting products is arranged between the.

Advantageously, the mold changing assembly further comprises a driving motor 46 fixedly mounted on the right inner wall of the engaging cavity 59, the driving motor 46 is provided with a spline shaft 47 extending left and right at the end thereof, a spline sleeve 48 is spline-fitted on the spline shaft 47, the right inner wall of the engaging cavity 59 is rotatably connected with an engaging shaft 53 positioned above the spline shaft 47, a main gear 51 is fixedly connected to the left end of the spline sleeve 48, a driven gear 52 capable of engaging with the main gear 51 is fixedly connected to the engaging shaft 53, a rotary table 56 is fixedly connected to the left end of the engaging shaft 53, a hinge rod 57 is hinged to the left end of the rotary table 56, a mold changing plate 58 slidably connected with the slide groove 60 back and forth is hinged to the left end of the hinge rod 57, the mold changing plate 58 can be pushed out or pulled into the mold, and an incomplete gear 19 is fixedly connected to the fixed shaft 20 and engaged with the annular plate 18, the fixed shaft 20 is fixedly connected with an inclined pulley 55 positioned in the engaging cavity 59, the engaging shaft 53 is fixedly connected with an inclined dial wheel 54 rotationally connected with the inclined sheave wheel 55, the spline sleeve 48 is rotationally connected with a moving block 49 rotationally connected with the inner wall of the bottom side of the engaging cavity 59 in a left-right sliding manner, the inner wall of the right side of the engaging cavity 59 is fixedly provided with an electric telescopic rod 50 fixedly mounted with the moving block 49, so that the driven gear 52 is driven by the main gear 51 to rotate, the shifting plate 58 is driven by the rotation of the turntable 43 to be ejected out of the die 17 and fall on the annular plate 18, the inclined sheave wheel 55 is driven by the pause of the inclined dial wheel 54 to rotate, the annular plate 18 is driven by the incomplete gear 19 to move leftwards, the mounting plate 22 is positioned at the front side between the left module and the right module, and the shifting plate 58 is just connected with the die on the mounting plate 22, so that the mold is replaced by the mold changing plate 58 by the rotation of the turntable 43.

Advantageously, the demolding assembly comprises a connecting shaft 45 fixedly mounted on the inner wall of the front side of the engaging cavity 59, a rotating shaft 27 extending back and forth is rotatably connected between the engaging cavity 59 and the mold changing cavity 12, the connecting shaft 45 is in transmission connection with the rotating shaft 27 through a belt pulley, a main bevel gear 62 is fixedly connected to the spline sleeve 48, a secondary bevel gear 63 capable of being in meshing connection with the main bevel gear 62 is fixedly connected to the rotating shaft 27, a fixed block 23 is fixedly mounted on the inner wall of the bottom side of the mold changing cavity 12, a swinging disc 28 with a circular groove 26 and located in the mold changing cavity 12 is fixedly connected to the rotating shaft 27, a sliding block 64 is slidably connected to the circular groove 26, a swinging plate 24 hinged to the fixed block 23 is hinged to the front end of the sliding block 64, a moving plate 29 is slidably connected to the inner wall of the bottom side of the mold changing cavity 12 left and right, and a push rod, the rear side of the upper end of the moving plate 29 is provided with a coupling plate 30 fixedly mounted with the right module 32, so that the driven bevel gear 63 is driven by the main bevel gear 62 to be rotationally connected, the moving plate 29 is driven to move rightwards by the rotation of the swinging disc 28 and is stopped for a short time, and the right module 30 is driven to move rightwards and leftwards by the coupling plate 30.

Advantageously, the product collecting assembly comprises a transition shaft 44 fixedly mounted on the inner wall of the right side of the engaging cavity 59, the transition shaft 44 is in transmission connection with the connecting shaft 45 through a bevel gear, a transmission shaft 34 extending left and right is rotatably connected between the transition cavity 33 and the transmission cavity 35, the transmission shaft 34 is in transmission connection with the transition shaft 44 through a belt pulley, a rotating barrel 36 is in transmission connection with the transmission shaft 34, a track groove 37 is formed in the rotating barrel 36, a collecting box 31 is fixedly mounted on the rear side of the right part of the base 11, a moving groove 65 is formed in the transmission cavity 35 and below the transmission cavity, a shifting rod 38 slidably connected with the track groove 37 is slidably connected in the moving groove 65 left and right, a suction cup 39 for sucking the product is fixedly mounted on the left end of the shifting rod 38, so that the rotating barrel 36 is driven to rotate by the transmission shaft 34, and the suction cup 39 is driven to move right and left, so that the product enters said collection tank 31.

Advantageously, the demolding assembly further comprises a driven shaft 41 which is rotatably connected with the inner wall of the rear side of the transmission cavity 35 and extends forwards and backwards, the driven shaft 41 is in transmission connection with the transmission shaft 34 through a bevel gear, a dual-disc 43 is fixedly connected to the driven shaft 41, the circular transmission cavity 35 is vertically and slidably connected with a demolding plate 66 used for demolding the product, and a rectangular frame 42 which is slidably connected with the disc 43 through a connecting rod is fixedly installed at the upper end of the demolding plate 66, so that the disc 43 is driven to rotate through the transmission shaft 34, and the product is accordingly demolded through the demolding plate 66.

In the initial state, the master gear 51 is not meshed with the slave gear 52, and the master bevel gear 62 is meshed with the slave bevel gear 63.

At the beginning of operation, when the mold is changed to the right, a new mold is placed on the mounting plate 22, the electric telescopic rod 50 is actuated to engage the master gear 51 with the slave gear 52, the driving motor 46 is actuated to rotate the slave gear 52 by the master gear 51, the die plate 58 is driven by the rotation of the rotary table 43 to eject the die 17 to fall on the annular plate 18, the inclined grooved wheel 55 is driven to rotate by the pause of the inclined dial 54, the annular plate 18 is driven to move to the left by the incomplete gear 19, the mounting plate 22 is positioned at the front side between the left and right modules, the die plate 58 is just connected with the mold on the mounting plate 22, the driving motor 46 is actuated continuously to drive the die plate 58 to enter the left and right modules by the rotation of the rotary table 43, the hydraulic telescopic sleeve 21 is actuated to fix the die 17, the electric telescopic rod 50 is actuated to re-engage the master bevel gear 62 with the slave bevel gear 63, the drive motor 46 is actuated to rotate the slave bevel gear 63 via the master bevel gear 62, to thereby oscillate the oscillating lever 24 via the slider 64 by the oscillation of the oscillating disk 28, so that moving plate 29 is moved rightward by push rod 25 with a brief pause, so that right module 30 is moved rightward and leftward by coupling plate 30 for post-replacement inspection, driving motor 46 is started when the injection molding machine is operated, during the movement of the right module 32, the connecting shaft 45 is driven to rotate by the belt wheel transmission, so that the transition shaft 44 is driven to rotate by the bevel gear transmission, thereby driving the driven shaft 41 to rotate through the transmission shaft 34, driving the demoulding plate 66 to demould and adsorb the product through the downward and upward movement of the rectangular frame 42, driving the shift lever 37 to move to the right and left through the rotation of the rotary barrel 36, so that the product on the stripper plate 66 is sucked by the suction cup 39 and moves over the collection box 31 into the collection box 31.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an injection molding machine mould changes demolding device, includes the base, its characterized in that: the die comprises a base, wherein supporting blocks are symmetrically arranged at the left end and the right end of the base, a top plate is fixedly arranged at the upper end of each supporting block, a die changing cavity is arranged at the front part of the base, a connecting cavity is arranged at the rear side of the die changing cavity, a die changing assembly for changing dies is arranged on the base and above the die changing assembly, the die changing assembly comprises a left die block fixedly arranged at the left part of the upper end of the base, a right die block is connected with the right part of the upper end of the base in a left-right sliding mode, an injection molding opening is formed in the left die block and the outside, a die can be arranged between the left die block and the right die block, the die is connected with the left die block and the right die block in a sliding mode, a fixing shaft extending forwards and backwards is rotatably connected between the die changing cavity and the connecting cavity, an annular plate is connected with the, the right module left end be provided with can with the hydraulic telescoping sleeve of mould right-hand member cooperation installation, be provided with the transmission chamber in the roof, transmission chamber right side is provided with the transition chamber, link up the chamber with be provided with the spout between the die changing chamber, the die changing chamber with be provided with the drawing of patterns subassembly that is used for carrying out the drawing of patterns to the product between the base transmission chamber, the base top with be provided with the product collection subassembly that is used for carrying out the collection to the product between the transmission chamber.

2. The mold changing and ejecting apparatus of an injection molding machine according to claim 1, wherein: the die replacing component also comprises a driving motor fixedly installed on the inner wall of the right side of the linking cavity, the tail end of the driving motor is provided with a spline shaft extending leftwards and rightwards, the spline shaft is in spline fit with a spline sleeve, the inner wall of the right side of the linking cavity is rotatably connected with a linking shaft positioned above the spline shaft, the left end of the spline sleeve is fixedly connected with a main gear, the linking shaft is fixedly connected with a driven gear which can be in meshed connection with the main gear, the left end of the linking shaft is fixedly connected with a turntable, the left end of the turntable is hinged with a hinged rod, the left end of the hinged rod is hinged with a die changing plate which is in sliding connection with the chute forwards and backwards, the die changing plate can be ejected out or pulled into a die, the fixed shaft is fixedly connected with an incomplete gear which is meshed with the annular plate, and, the connecting shaft is fixedly connected with an inclined drive plate which is rotatably connected with the inclined chute wheel, the spline sleeve is rotatably connected with a moving block which is connected with the inner wall of the bottom side of the connecting cavity in a left-right sliding mode, and the inner wall of the right side of the connecting cavity is fixedly provided with an electric telescopic rod fixedly arranged with the moving block.

3. The mold changing and ejecting apparatus of an injection molding machine according to claim 2, wherein: the demoulding component comprises a connecting shaft fixedly arranged on the inner wall of the front side of the connecting cavity, a rotating shaft extending forwards and backwards is rotatably connected between the connecting cavity and the die changing cavity, the connecting shaft is in transmission connection with the rotating shaft through a belt wheel, the spline sleeve is fixedly connected with a main bevel gear, a secondary bevel gear which can be engaged with the primary bevel gear is fixedly connected on the rotating shaft, a fixed block is fixedly arranged on the inner wall of the bottom side of the die change cavity, the rotating shaft is fixedly connected with a swinging disc which is positioned in the die changing cavity and is provided with an annular groove, the annular groove is connected with a sliding block in a sliding way, the front end of the sliding block is hinged with a swinging plate hinged with the fixed block, the inner wall of the bottom side of the die changing cavity is connected with a moving plate in a left-right sliding way, the front end of the swing plate is hinged with a push rod hinged with the moving plate, and the rear side of the upper end of the moving plate is provided with a connecting plate fixedly installed with the right module.

4. The mold changing and ejecting apparatus of an injection molding machine according to claim 3, wherein: the product collecting assembly comprises a transition shaft fixedly mounted on the inner wall of the right side of the linking cavity, the transition shaft is in transmission connection with the connecting shaft through a bevel gear, the transition cavity is in transmission connection with a transmission shaft extending leftwards and rightwards in a rotating mode between the transmission cavity, the transmission shaft is in transmission connection with the transition shaft through a belt wheel, a rotating barrel is in transition connection with the transmission shaft, a track groove is formed in the rotating barrel, a collecting box is fixedly mounted on the rear side of the right portion of the base, a moving groove is formed in the transmission cavity and below, a shifting rod is in sliding connection with the track groove in a sliding mode and is connected with the shifting rod in sliding connection with the track groove, and a sucking disc for sucking the product is.

5. The mold changing and ejecting apparatus of an injection molding machine according to claim 3, wherein: the drawing of patterns subassembly still include with transmission chamber rear side inner wall rotates the driven shaft that extends around being connected with, the driven shaft pass through bevel gear with the transmission shaft transmission is connected, fixed connection even disc on the driven shaft, circle transmission chamber and below upper and lower sliding connection have be used for right the stripper plate that the product demolded, stripper plate upper end fixed mounting have with the disc passes through connecting rod sliding connection's rectangle frame.