CN113306077A

CN113306077A - Automatic loading and unloading device for injection molding in injection molding machine die and injection molding machine system

Info

Publication number: CN113306077A
Application number: CN202110635284.1A
Authority: CN
Inventors: 巴洪涛; 瞿名贵; 侯春伟; 严新华
Original assignee: Shenzhen Oceanwide Tonglian Intelligent Manufacturing Co ltd
Current assignee: Shenzhen Oceanwide Tonglian Intelligent Manufacturing Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-08-27

Abstract

The invention discloses an automatic loading and unloading device for injection molding in an injection molding machine die and an injection molding machine system, and relates to the technical field of injection molding processing. This unloader in automation includes: a work table; the fine positioning frame structure is arranged on the workbench; the mechanical arm comprises a mechanical arm and a mechanical clamping hand, and the mechanical arm is arranged on the workbench; the number of the mechanical grippers is at least two, each mechanical gripper is connected to different sides of the end part of the mechanical arm, and each mechanical gripper can be switched to a position through the mechanical arm; one of the mechanical clamping hands can clamp parts in the fine positioning frame structure and move into a cavity of the injection molding machine through the mechanical arm, and the other mechanical clamping hand can clamp products which are molded in the cavity of the injection molding machine and move out of the cavity of the injection molding machine through the mechanical arm. The invention can solve the problems of accurately installing parts in the cavity of the injection molding machine and improving the utilization rate of the injection molding machine.

Description

Automatic loading and unloading device for injection molding in injection molding machine die and injection molding machine system

Technical Field

The invention relates to the technical field of injection molding processing, in particular to an automatic loading and unloading device for injection molding in an injection molding machine and an injection molding machine system.

Background

Some current products use MIM parts as inserts and realize through the injection molding technology in the mould, use vertical injection molding machine during production, the mould comprises a set of master model and two sets of public moulds, totally 8 caves, once mould plastics and need four MIM parts of manual dress in the mould die cavity of injection molding machine, take out four finished products after moulding plastics after finishing moulding plastics, its manual work is more chronic, lead to the injection molding machine to wait for extravagant, and used plastic raw materials is PA + 30% GF, dwell time is too long easy schizolysis, lead to the product of producing to be apt to look, the quality can't be guaranteed, in addition, can appear MIM parts to put the situation in place occasionally through manual work, thereby lead to the mould to weigh, can seriously influence production and delivery plan like this, the progress.

Disclosure of Invention

In order to solve the problems in the prior art, the embodiment of the invention provides an automatic loading and unloading device for injection molding in an injection molding machine and an injection molding machine system. The technical scheme is as follows:

in a first aspect, an automatic loading and unloading device for injection molding in an injection molding machine is provided, which comprises:

the workbench is arranged on one side of the injection molding machine;

the fine positioning frame structure is arranged on the workbench and used for accommodating parts for injection molding and positioning the parts;

the mechanical arm comprises a mechanical arm and a mechanical clamping hand, and the mechanical arm is arranged on the workbench;

the number of the mechanical grippers is at least two, each mechanical gripper is connected to different sides of the end part of the mechanical arm, and each mechanical gripper can be switched to different positions through the mechanical arm;

one of the mechanical clamping hands can clamp parts in the fine positioning frame structure and move into a cavity of the injection molding machine through the mechanical arm, and the other mechanical clamping hand can clamp products which are molded in the cavity of the injection molding machine and move out of the cavity of the injection molding machine through the mechanical arm.

In one embodiment, the mechanical grippers are provided with three, namely a first mechanical gripper, a second mechanical gripper and a third mechanical gripper, wherein the first mechanical gripper, the second mechanical gripper and the third mechanical gripper are respectively connected to the end part of the mechanical arm;

the first mechanical clamping hand is used for clamping the part and putting the part into the fine positioning frame structure, the second mechanical clamping hand is used for clamping the part in the fine positioning frame structure, and the third mechanical clamping hand is used for clamping the injection product in the injection molding machine type cavity.

In one embodiment, the automatic loading and unloading device further comprises a mounting block, wherein the mounting block is connected to the end part of the mechanical arm, and the mechanical arm can drive the mounting block to rotate;

the first mechanical clamping hand, the second mechanical clamping hand and the third mechanical clamping hand are respectively connected to three side faces of the mounting block.

In one embodiment, the automatic loading and unloading device further comprises a storage box which is detachably connected to the workbench;

the end part of the mechanical arm can move to the upper end of the storage box, and the third mechanical clamping hand extends into the storage box.

In one embodiment, the automatic loading and unloading device further comprises a feeding mechanism, and the feeding mechanism is arranged on the workbench;

the feeding structure comprises a straight vibrating material channel and a vibrating disk, and the straight vibrating material channel is connected with the vibrating disk;

the first mechanical clamping hand can move to the discharge end of the straight vibrating material channel.

In one embodiment, the automatic loading and unloading device further comprises a roller, and the roller is arranged at the bottom of the workbench.

In one embodiment, the automatic loading and unloading device further comprises a limiting assembly used for fixing the workbench on the ground.

In a second aspect, an injection molding machine system is provided, which includes an injection molding machine and the automatic loading and unloading device in any one of the above embodiments.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

in the embodiment of the invention, through the fine positioning frame structure and the manipulator arranged on the workbench, when a plurality of parts are required to be installed in the cavity of the injection molding machine for injection molding, the parts can be firstly placed in the fine positioning frame structure for arrangement so as to complete the accurate arrangement of the parts, then the parts in the fine positioning frame structure can be simultaneously taken out by using the mechanical gripper and sent into the cavity of the injection molding machine through the manipulator for installation, after the mechanical arm extends into the cavity of the mold, the other mechanical gripper can be firstly used for clamping the product which is injected in the cavity, and then the mechanical gripper is replaced so as to complete the installation of the parts, so that the injection molding machine can continue to perform injection molding processing in the process of taking out the product by using the mechanical arm. Go on unloading through arm and mechanical tong like this, can shorten the unloading time of going up by a wide margin, take off the product and continue to mould plastics simultaneously in the installation part, promote board utilization ratio, shorten the cycle of moulding plastics, improved the production efficiency promotion of moulding plastics, reduce the human cost, realize the installation to the part through arm and mechanical tong in addition, and fix a position a plurality of parts through smart location frame construction, can guarantee the precision of repeated installation part, in order to satisfy the requirement of product high accuracy.

Drawings

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

Fig. 1 is a schematic overall structure diagram of an automatic loading and unloading device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a manipulator of the automatic loading and unloading device according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fine positioning frame of the automatic loading and unloading device according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a feeding mechanism of an automatic loading and unloading device according to an embodiment of the present invention;

fig. 5 is a schematic view of the overall structure of the injection molding machine system according to the embodiment of the present invention.

Description of reference numerals:

1. a work table; 2. fine positioning of the frame structure; 31. a mechanical arm; 32. a first mechanical gripper; 33. a second mechanical gripper; 34. a third mechanical gripper; 35. mounting blocks; 4. a storage box; 5. a feeding mechanism; 51. A direct vibration material channel; 52. a vibrating pan; 6. a roller; 71. a stud; 72. a base; 8. and (5) an injection molding machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The embodiment of the invention provides an automatic loading and unloading device for injection molding in an injection molding machine, which is arranged on one side of the injection molding machine for injection molding, so that parts for injection molding are placed in a mold cavity of the injection molding machine through the automatic loading and unloading device, injection molded products are correspondingly taken out, manual operation is avoided, and the working efficiency is improved.

As shown in fig. 1, fig. 3 and fig. 5, the automatic loading and unloading device comprises a workbench 1 and a fine positioning frame structure 2, wherein the workbench 1 is arranged at one side of an injection molding machine 8, the fine positioning frame structure 2 is fixedly arranged on the workbench 1 and used for accommodating parts for injection molding and positioning the parts, the fine positioning frame structure 2 is arranged according to a structure for installing a plurality of parts in a cavity of the injection molding machine 8 and an arrangement mode, namely, after the plurality of parts are placed in the fine positioning frame structure 2, the plurality of parts can be closely arranged in the fine positioning frame structure 2, and at the moment, the arrangement mode of the plurality of parts in the fine positioning frame structure 2 is the arrangement mode for installing the plurality of parts in the cavity of the injection molding machine 8. Like this, can realize the accurate positioning to a plurality of parts after placing accurate positioning frame structure 2 with a plurality of parts to later can once only put into 8 die cavities of injection molding machine with a plurality of parts of accurate positioning frame structure 2 well location in order to mould plastics, can avoid relatively one by one to the part installation and lead to the problem that the precision is not enough, can save certain time simultaneously, improve work efficiency.

The automatic loading and unloading device can further comprise a mechanical arm, wherein the mechanical arm 31 is fixedly arranged on the workbench 1, the number of the mechanical grippers is at least two, each mechanical gripper is respectively connected to the end of the mechanical arm 31, each mechanical gripper is positioned on different sides of the mechanical arm 31, and each mechanical gripper can be switched to different positions through the operation of the mechanical arm 31, namely, each mechanical gripper can be controlled to face different positions or directions through the operation of the mechanical arm 31.

Above-mentioned a plurality of parts of arranging in the fine positioning frame structure 2 can be got to one of them mechanical tong to move to the die cavity of injection molding machine 8 through the control of arm 31, with a plurality of parts fixed mounting who will arrange in the die cavity, and other mechanical tong can get the product of injecting plastics completion in the injection molding machine 8 die cavity, and move out outside the injection molding machine 8 die cavity through the control of arm 31.

Through the arrangement of the structure, when injection molding is needed, parts for injection molding can be placed in the fine positioning frame structure 2 firstly, so that a plurality of parts are placed accurately, then the mechanical arm 31 is used for controlling one mechanical gripper to move the position of the fine positioning frame structure 2, the mechanical gripper is used for grabbing the parts placed in the fine positioning frame structure 2, then the mechanical arm 31 is used for controlling the mechanical gripper to extend into a cavity of the injection molding machine 8, in the process of controlling the mechanical gripper to enter the cavity, the mechanical arm 31 is used for controlling the positions of the mechanical gripper and the other mechanical gripper to change, so that after the mechanical arm 31 is moved into the cavity of the mold, products which are subjected to injection molding in the mechanical gripper can be clamped by the other mechanical gripper, then the positions of the two mechanical grippers are switched, so that the parts on the mechanical gripper are installed in the cavity of the mold, like this at the in-process that mechanical arm 31 got the product clamp and put on the assigned position, injection molding machine 8 just can immediately mould plastics, and it has improved injection molding machine 8's utilization ratio relatively, has improved the efficiency of moulding plastics, and guarantees to install the precision in the 8 die cavities of injection molding machine with the part, has still reduced the time of unloading like this simultaneously, shortens the cycle of moulding plastics, has also saved a large amount of labours.

Further, as shown in fig. 2, three mechanical grippers are provided, which are a first mechanical gripper 32, a second mechanical gripper 33, and a third mechanical gripper 34, respectively, and the first mechanical gripper 32, the second mechanical gripper 33, and the third mechanical gripper 34 are respectively connected to the end of the robot arm 31 and located at different sides of the robot arm 31. The first mechanical gripper 32 is used for gripping parts and placing the parts on the fine positioning frame structure 2, the second mechanical gripper 33 is used for gripping a plurality of arranged parts in the fine positioning frame structure 2, and the third mechanical gripper 34 is used for gripping injection products in a cavity of the injection molding machine 8.

In practical operation, a first mechanical gripper 32 can be used to grip a part to be placed in the fine positioning frame structure 2, so that a plurality of parts are precisely arranged in the fine positioning frame structure 2, then a second mechanical gripper 33 faces the fine positioning frame structure 2 through controlling a mechanical arm 31, so that the plurality of parts arranged in the fine positioning frame structure 2 are gripped, the mechanical arm 31 is used to control the second mechanical gripper 33 to move towards the cavity of the injection molding machine 8, during the moving process, the mechanical arm 31 controls the position of the cavity of the injection molding machine 8 through controlling a third mechanical gripper 34, so that a product molded in the cavity of the injection molding machine 8 is taken down through using the third mechanical gripper 34, at the moment, the mechanical arm 31 is controlled to enable the second mechanical gripper 33 to face the cavity, the part gripped by the second mechanical gripper 33 is installed in the cavity of the injection molding machine 8, and then the mechanical arm 31 is controlled to move out of the cavity of the injection molding machine 8, and the product gripped by the third mechanical gripper 34 is placed at the designated position, and the injection molding process is continued by the injection molding machine 8. Circulate in proper order through above-mentioned mode, can be quick mould plastics, promote the board utilization ratio, improve the efficiency of moulding plastics, reduce the human cost.

It should be noted that, the first mechanical gripper 32, the second mechanical gripper 33, and the third mechanical gripper 34 need to be arranged according to the parts to be gripped by the first mechanical gripper 32, and if the first mechanical gripper 32 needs to grip the parts and place the parts in the fine positioning frame structure 2, the first mechanical gripper 32 needs to be arranged according to the size and structure of the parts so that the parts can be gripped stably, and the second mechanical gripper 33 needs to grip a plurality of parts positioned in the fine positioning frame structure 2, and correspondingly, the second mechanical gripper 33 needs to be arranged according to the structure of the parts placed in the fine positioning frame structure 2 so as to grip a plurality of parts in the fine positioning frame structure 2 stably, and correspondingly, for the third mechanical gripper 34, the injection molded product needs to be gripped, and therefore, the second mechanical gripper 34 needs to be arranged according to the injection molded product, so as to ensure that the injection molded product can be stably clamped.

In one embodiment, as shown in fig. 2, the automatic loading and unloading device may further include a mounting block 35, the mounting block 35 is in a square structure, and the mounting block 35 is connected to an end of the robot arm 31, so that the robot arm 31 can drive the mounting block 35 to rotate arbitrarily, such as to control the mounting block 35 to rotate 180 degrees along a horizontal axis or a vertical axis. Above-mentioned first machinery tong 32, second machinery tong 33 and third machinery tong 34 are fixed connection respectively on the three side of installation piece 35, through the setting of installation piece 35, can conveniently install three machinery tongs, and the three machinery tongs that make that simultaneously can be better separate each other, avoid appearing the phenomenon of interfering each other when using.

In one embodiment, as shown in fig. 1, the automatic loading and unloading apparatus may further include a storage box 4, the storage box 4 being detachably attached to the table 1, and the end of the robot arm 31 may be moved to the upper end of the storage box 4 so that the third robot gripper 34 extends into the storage box 4.

Through the setting of receiver 4, after utilizing arm 31 and third mechanical tong 34 to take out the back with the product after moulding plastics, can place one by one and receive in the box 4 to after packing into certain product in receiver 4, can directly take away receiver 4 and carry out other processing, and install a receiver 4 again and accomodate, avoid like this afterwards accomodating the product of moulding plastics through the manual work.

Can set up a caulking groove (not shown in the figure) the same with receiver 4 big or small shape on foretell workstation 1 to later when placing receiver 4, can directly place receiver 4 in this caulking groove, can guarantee relatively like this that receiver 4 is stable fixes on workstation 1, make it be difficult for coming off from workstation 1, and the change that is difficult for appearing the position and influence the placing of third machinery tong 34 to the product, it is all more convenient later when taking off it and changing new receiver 4 simultaneously.

In one embodiment, as shown in fig. 1 and 4, the automatic loading and unloading device further includes a feeding mechanism 5, and the feeding mechanism 5 is disposed on the worktable 1 and is used for continuously outputting the parts to be used so as to enable the first mechanical gripper 32 to grip.

Specifically, the feeding structure comprises a straight vibrating material channel 51 and a vibrating disk 52, wherein the straight vibrating material channel 51 and the vibrating disk 52 are both fixedly mounted on the workbench 1, the feeding end of the straight vibrating material channel 51 is connected with the vibrating disk 52, and the first mechanical gripper 32 can move to the position of the discharging end of the straight vibrating material channel 51 through the control of the mechanical arm 31.

Through the mode, when moulding plastics, can be unified the placing to the vibration dish 52 on with the part that needs to use to through the vibration of vibration dish 52, can make each scattered part that distributes gradually move on straight shake the material way 51, and move the discharge end that shakes the material way 51 directly according to unified gesture, so that first machinery tong 32 presss from both sides the part at the discharge end of straight shake material way 51 afterwards. In addition, in the process of continuous injection molding, the vibrating disk 52 and the straight vibrating channel 51 can be used for continuously outputting parts for the first mechanical gripper 32 to grip, so that the labor is further saved.

It should be noted here that a blocking plate may be correspondingly disposed at the discharging end of the straight vibrating channel 51, so as to block the discharging end of the straight vibrating channel 51, and prevent the part located at the discharging end of the straight vibrating channel 51 from dropping down, thereby affecting the clamping of the part by the first mechanical gripper 32.

In one embodiment, as shown in fig. 5, the automatic loading and unloading device further includes a plurality of rollers 6, the plurality of rollers 6 are disposed at the bottom of the workbench 1, and the workbench 1 is pushed to move to a designated position for working through the rollers 6 disposed at the bottom of the workbench 1.

Further, furtherly, above-mentioned unloader in automation still includes and is used for fixing workstation 1 to subaerial spacing subassembly, utilizes this spacing subassembly's setting, and after moving workstation 1 to appointed position, utilize spacing subassembly to inject workstation 1 in appointed position, avoid its arbitrary must and influence after work such as press from both sides the material clamp.

The limiting assembly may be of various limiting structures, as long as the workbench 1 can be stably fixed on the ground, as shown in fig. 1 and 5, the limiting assembly may include a plurality of studs 71 and a base 72, the studs 71 are disposed at the corners of the bottom of the workbench 1, the studs 71 are screwed into the workbench 1, and then the base 72 is fixedly connected to the bottom of the studs 71, so that after the workbench 1 is moved to a designated position, the studs 71 are rotated outward, the base 72 is abutted to the ground, and the rollers 6 are disengaged from the ground, so that the workbench 1 is stably fixed on the ground. Or directly install the connection piece that is the L type on the lateral wall of workstation 1 bottom to make connection piece lower extreme butt subaerial, later fixed connection piece one end on workstation 1 through the bolt, the other end is fixed subaerial, also can guarantee to fix workstation 1 stable. Therefore, the limiting assembly can be arranged as required.

Based on the same technical concept, the embodiment of the invention also provides an injection molding machine system, as shown in fig. 5, the injection molding machine system comprises an injection molding machine 8 and the automatic loading and unloading device related to the embodiment.

Through on setting up injection molding machine system with this automatic unloader that goes up, when utilizing injection molding machine 8 to mould plastics, this automatic unloader that goes up of accessible snatchs the part automatically and places injection molding machine 8's die cavity in, later also can take out the product of wherein accomplishing of moulding plastics automatically and place, simultaneously when taking out the product, in time place new part in order to continue to mould plastics, can shorten the unloading time of going up by a wide margin like this, shorten the cycle of moulding plastics, promote the board utilization ratio, thereby the efficiency of moulding plastics is promoted to the improvement.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a unloader in automation for moulding plastics in injection molding machine mould which characterized in that includes:

the workbench is arranged on one side of the injection molding machine;

2. The automatic loading and unloading device according to claim 1, wherein there are three mechanical grippers, namely a first mechanical gripper, a second mechanical gripper and a third mechanical gripper, and the first mechanical gripper, the second mechanical gripper and the third mechanical gripper are respectively connected to the end of the mechanical arm;

3. The automatic loading and unloading device of claim 2, further comprising a mounting block connected to an end of the robot arm, the robot arm being capable of driving the mounting block to rotate;

4. The automatic loading and unloading device according to claim 3, further comprising a storage box detachably connected to the worktable;

5. The automatic loading and unloading device according to claim 3, further comprising a feeding mechanism disposed on the worktable;

6. The automatic loading and unloading device of claim 1, further comprising rollers disposed at the bottom of the worktable.

7. The automated loading and unloading apparatus of claim 6, further comprising a stop assembly for securing the table to the ground.

8. An injection molding machine system comprising an injection molding machine and the automatic loading and unloading apparatus of any one of claims 1 to 7.