CN213137567U

CN213137567U - Indexable insert feeding device for injection molding

Info

Publication number: CN213137567U
Application number: CN202021939530.XU
Authority: CN
Inventors: 陆超; 王小龙; 刘艺蕾
Original assignee: Weihai Hengke Precision Co ltd
Current assignee: Weihai Hengke Precision Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-07
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses an inserts but transposition feedway moulds plastics for solve the problem that does not have professional continuous feeding equipment. The chain mechanism is arranged on an installation platform of the device and driven by a driving motor, at least one station assembly is arranged along the chain direction of the chain mechanism and comprises a fixed disc, a tray, material positioning columns and cushion blocks, wherein the fixed disc is fixed on the outer side of a chain through a switching piece, at least three material positioning columns are fixed on the fixed disc, the tray is positioned above the fixed disc and penetrates through the material positioning columns, and an insert self-placing area is formed; and arranging an unloading station in a rotating path of the station component, and arranging an ejection mechanism below the unloading station, wherein the ejection mechanism acts on the tray and ejects the inserts one by one from the placing area. The device can provide inserts for the continuous injection molding machine, has high automation degree, and can meet the requirement of quick injection molding of the injection molding machine.

Description

Indexable insert feeding device for injection molding

Technical Field

The utility model relates to an inserts indexable feeding device moulds plastics especially relates to an indexable feeding device to slice inserts.

Background

In the case of electrical boxes, for example, in injection molding electrical boxes, there are metal inserts which require automatic feeding and positioning during the injection molding process, and the device with continuous supply of the inserts, known as the feeder device, belongs to a special equipment. The feeding device can be divided into a plurality of major types such as shaft rod type inserts, sheet-shaped inserts, frame-type inserts and the like according to the outline division of the inserts. For example, disclose a simple and easy automation of round pin axle type inserts in die casting technology and get and put device in CN204052839U, snatch the clamping jaw including round pin axle feeder and the round pin axle of installing on getting a robot, the round pin axle snatchs the clamping jaw and comprises magnetic suction head and threaded connection rod, round pin axle feeder comprises cartridge clip, bracing piece, base plate, joint support pole and flange seat, the cartridge clip is fixed on the base plate by two bracing pieces different in size, makes cartridge clip and horizontal plane become 30 degrees inclination, joint support pole's upper end is flat layer board, the base plate is fixed on the layer board, joint support pole's bottom and flange seat welded fastening together, compare with prior art, adopt the technical scheme of the utility model has the advantages of: manpower is saved by 50%, and production cost is reduced; the production rhythm is stable, and the yield is improved by more than 5%; the robot is used for placing the inserts instead of manually placing the inserts, so that the personal safety of personnel is effectively ensured, and the occurrence probability of industrial injury is greatly reduced; compare with traditional automation equipment, the utility model discloses the input cost is low, and maintenance is convenient.

A feeding device of sheet-shaped inserts is not shown so as to meet the requirement of automatic production.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above problem, a but provide a special transposition feedway to slice inserts for solve the problem that current feedway degree of automation is low, can not feed in batches in succession greatly.

Therefore, the technical proposal of the utility model is that the indexable feeding device for the injection molding inserts is characterized in that a chain mechanism is arranged on a mounting platform of the indexable feeding device, the chain mechanism is driven by a driving motor, and at least one station component is arranged along the chain direction of the chain mechanism, the station component comprises a fixed disc, a tray, a material positioning column and a cushion block, wherein, the fixed disc is fixed at the outer side of the chain through a switching piece,

at least three material positioning columns are fixed on the fixed disk, the tray is positioned above the fixed disk and penetrates through the material positioning columns, and an insert self-placing area is formed; and arranging an unloading station in a rotating path of the station component, and arranging an ejection mechanism below the unloading station, wherein the ejection mechanism acts on the tray and ejects the inserts one by one from the placing area.

Furthermore, the material ejecting mechanism comprises a servo motor, a motor base, a mounting disc, a bolt pulling assembly, a lead screw, a sliding disc and an optical axis push rod, wherein the servo motor is mounted on the motor base, the motor base is connected with the mounting disc through the three bolt pulling assemblies, the mounting disc is fixed at the bottom of the mounting platform, one end of the lead screw is connected with the servo motor shaft, and the other end of the lead screw is mounted on the mounting disc; the sliding disc and the pulling bolt assembly are in sliding fit, a screw sleeve is fixed in the center of the sliding disc, the screw sleeve is matched with the lead screw, at least three optical axis push rods are fixed on the sliding disc, and the top ends of the optical axis push rods are used for the lower surface of the tray after the optical axis push rods pass through holes in the mounting disc, the mounting platform and the fixing disc from bottom to top.

Furthermore, the driving motor and the first left and the right discharging stations are arranged at two ends of the chain mechanism.

Further, the inserts are sheet-shaped parts and are stacked layer by layer.

Further, the station assemblies are 13 and are uniformly arranged along the circumferential direction of the chain at equal intervals.

Further, a rolling bearing and an adjusting bolt are arranged on the mounting platform below the station assembly.

The utility model has the advantages that,

the device can provide inserts for the continuous injection molding machine, has high automation degree, and can meet the requirement of quick injection molding of the injection molding machine. The beneficial effects of the present invention will be further described with reference to the specific implementation process.

Drawings

Fig. 1 is a front view of the present device.

Fig. 2 is a top view of the present apparatus.

Fig. 3 is a side view of the device.

Fig. 4 is a perspective view of the present device.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Fig. 6 is a perspective view of the present device.

Fig. 7 is a perspective view of the ejector mechanism.

Fig. 8 is a front view of the ejector mechanism.

FIG. 9 is a top view of the station assembly.

FIG. 10 is a front view of the station assembly.

FIG. 11 is a perspective view of the station assembly.

FIG. 12 is a top view of the holding pan.

The symbols in the drawings illustrate that:

100 frame part, 110 adjustable anchor feet, 120 mounting platform, 130 rolling bearing, 140 adjusting bolt,

200 chain mechanism, 210 chain wheel, 220 chain, 230 driving motor, 240 transmission mechanism,

a 300-station component which is used for assembling the work station,

310 fixed disks, 311 screw holes, 312L-shaped adapters, 313 push rod through holes,

the tray 320, the runner 321,

a material positioning column 330 is arranged on the base,

the cushion block 340 is arranged on the upper surface of the frame,

350 of the placement area, and a placement area,

a 400 station for the discharge of the material,

500 liftout mechanism, 510 servo motor, 520 motor cabinet, 530 mounting disc, 531 bolt hole, 540 bolt pulling assembly, 550 lead screw, 560 sliding disc, 561 silk sleeve, 570 optical axis push rod.

000 inserts.

Detailed Description

The present invention will be further described with reference to the following examples.

Fig. 1-6 show an indexable feeding device for injection-molded inserts, particularly a feeding device dedicated to sheet-shaped inserts.

The frame part 100 of the feeding device is formed by welding steel pipes, is integrally of a cuboid three-dimensional structure and has a basically regular outline. The bottom of the frame adopts four adjustable feet 110, which can be leveled integrally, the upper surface of the frame is a mounting platform 120, and the mounting platform is a basically flat platform for mounting other parts.

A chain mechanism 200 is mounted on the mounting platform, and the chain mechanism includes two chain wheels 210 and a chain 220 between the two chain wheels, the chain is horizontally arranged and can freely run, wherein a chain wheel shaft of one of the two chain wheels is driven by a driving motor 230 mounted below the mounting platform, that is, the driving motor drives the chain mechanism to rotate and run through a transmission mechanism 240.

The chain 220 is provided with 13 station assemblies 300 along the periphery, and referring to fig. 9 to 12, the station assemblies 300 include a fixed plate 310, a tray 320, a material positioning column 330 and a cushion block 340, wherein the fixed plate 310 and the tray 320 are flat plate type parts with substantially the same contour, one side of the fixed plate 310 is provided with a screw hole 311 for fastening an L-shaped adapter, the fixed plate 310 is fixed outside the chain through the L-shaped adapter 312, and the fixed plate 310 is in a horizontal state. Three push rod through holes 313 are uniformly arranged on the fixed disk 310, and are used for the vertical optical axis push rod to pass through, i.e. to be in sliding fit with the optical axis push rod. The tray 320 is positioned above the fixed tray and is installed by a spacer 340 between the two trays, the spacer 340 is positioned in the area between the two push rod through holes, and the spacer 340 is fixed on the fixed tray 310. A material positioning column 330 is fixed above each cushion block, the material positioning columns 330 penetrate through the sliding grooves 321 in the tray 320, the sliding grooves 321 are preferably arc-shaped sliding grooves and tangentially exist from the center to the periphery of the tray, and when the three material positioning columns 330 are located at different positions of the sliding grooves, a public area formed by the three material positioning columns together is an insert placing area 350. The regions are stacked with the chip inserts 000 in a stack, vertically arranged in the regions and stacked one on top of the other. Easy understanding, the jacking tray 320 of optical axis push rod top of below can be with the tray jacking to different heights, and every jacking is once, and the thickness size of tray 320 rising an inserts is jacking one by one.

Thus, 13 station assemblies 300 are uniformly arranged along the circumferential direction of the chain, and the pattern of inserts configured in one station assembly is schematically shown in fig. 4, and the inserts in the other station assemblies are omitted.

Further, a rolling bearing 130 and an adjusting bolt 140 are arranged below the station assembly 300 corresponding to the station assembly outside the chain, and the rolling bearing and the adjusting bolt support the station assembly and the inserts therein and bear vertical gravity, so that the station assembly is basically in a stable state under the condition of bearing.

In the path of rotation of the station assembly 300, in particular at a certain position of the chain rotation, a discharge station 400 is provided, which discharge station 400 is preferably at a corner position of the chain rotation, in particular at the end remote from the drive motor, see fig. 2, i.e. at the two ends of the chain mechanism, i.e. left and right of the drive motor and the discharge station.

A discharge station 400, including perforations provided on the mounting platform at the station.

A material ejecting mechanism 500 is installed below the installation platform corresponding to the unloading station, referring to fig. 7 and 8, the material ejecting mechanism 500 includes a servo motor 510, a motor base 520, an installation disc 530, a pulling bolt assembly 540, a lead screw 550, a sliding disc 560 and an optical axis push rod 570, the servo motor 510 is installed on the motor base, the motor base 520 fixes an installation disc through three pulling bolt assemblies 540, the installation disc 530 is a circular disc, bolt holes 531 are arranged at the edge of the installation disc 530, and the installation disc is fixed at the bottom of the installation platform. The lead screw 550 is fixed with the servo motor shaft through a coupler, the upper end of the lead screw 550 is rotatably arranged on the mounting plate 530, and the lead screw is rotatable. The sliding disk 530 is provided with three through holes, the three through holes are respectively in sliding fit with the three bolt assemblies 540, and the three bolt assemblies have a sliding guide effect on the sliding disk. A screw sleeve 561 is fixed at the center of the sliding disk 560, and the screw sleeve 561 is matched with the screw rod. The lead screw 550 rotates to drive the sliding disk to ascend or descend along the direction of the pull rod. Three optical axis push rods 570 are fixed on the sliding disk 560, and after the optical axis push rods pass through the through holes on the mounting disk, the mounting platform and the fixed disk from bottom to top, the top ends of the optical axis push rods 570 act on the lower surface of the tray. That is, in this embodiment, the servo motor drives the lead screw to rotate, the lead screw 550 rotates and converts into the upward movement of the sliding disk, the sliding disk drives the optical axis push rod connected with the sliding disk to move up and down, the optical axis push rod finally acts on the tray in the station assembly to control the rising of the tray, and when the optical axis push rod rises by one position, one insert in the insert 000 placement area is ejected out, so that a feeding action is completed.

The working process of the utility model is as follows:

the device is provided with 13 station components, 10 insert parts are placed in each station component, a driving motor drives a chain to rotate one station to enable one station to align with an unloading station, the starting condition of the unloading station is that a servo motor receives an electric signal, the servo motor rotates a certain angle or a certain number of turns, a sliding disc is driven by a lead screw and a screw sleeve to rise by the effective thickness of one insert, a tray and the inserts in the tray are pushed by an optical axis push rod to rise by a certain height, the topmost insert reaches a proper grabbing position of a manipulator, the manipulator matched with the topmost insert is started and grabs the top insert, the top insert is placed into an injection molding machine to form a defect position at the top, then the servo motor receives an electric signal again to carry out next jacking until the jacking of all inserts in one station component is completed, and finally, the servo motor is turned over to restore the zero position, and the tray returns to the bottom under the action of self weight. The chain part rotates one station position, and inserts in the next station assembly are unloaded one by one. Meanwhile, the inserts in the unloaded station components are supplemented in time at the material supplementing position, and the operation is repeated in a cycle to form continuous work.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. An indexable injection molding insert feeding device is characterized in that a chain mechanism (200) is arranged on a mounting platform of the indexable injection molding insert feeding device and driven by a driving motor (230), and at least one station assembly is arranged along the chain direction of the chain mechanism, wherein the station assembly (300) comprises a fixed disc (310), a tray (320), a material positioning column (330) and a cushion block (340), wherein the fixed disc (310) is fixed on the outer side of a chain through a transfer piece,

at least three material positioning columns (330) are fixed on the fixed disc (310), the tray (320) is positioned above the fixed disc and penetrates through the material positioning columns, and an insert (000) self-placing area is formed; and arranging an unloading station (400) in a rotating path of the station assembly (300), and arranging an ejecting mechanism (500) below the unloading station, wherein the ejecting mechanism acts on the tray and ejects the inserts (000) one by one from the placing area.

2. An indexable insert feeding device according to claim 1, wherein the ejector mechanism (500) comprises a servo motor (510), a motor base (520), a mounting plate (530), a pull bolt assembly (540), a lead screw (550), a sliding plate (560) and an optical axis push rod (570), the servo motor (510) is mounted on the motor base, the motor base (520) is connected with the mounting plate through three pull bolt assemblies (540), the mounting plate is fixed at the bottom of the mounting platform, one end of the lead screw (550) is connected with a servo motor shaft, and the other end of the lead screw is mounted on the mounting plate (530); the sliding disc is in sliding fit with the pulling bolt assembly (540), a thread sleeve (561) is fixed at the center of the sliding disc (560), the thread sleeve (561) is matched with the lead screw, at least three optical axis push rods (570) are fixed on the sliding disc (560), and the top ends of the optical axis push rods penetrate through holes in the mounting disc, the mounting platform and the fixed disc from bottom to top and act on the lower surface of the tray.

3. An indexable insert feeding device according to claim 1 wherein the drive motor and the unloading station are disposed at either end of the chain mechanism.

4. An indexable insert feeder according to claim 1 wherein the inserts are sheet-like components stacked one on top of the other.

5. An indexable insert feeder according to claim 1, wherein the station assemblies are 13 and are evenly spaced along the circumference of the chain.

6. An indexable insert feeder according to claim 1 or 5, wherein a rolling bearing (130) and an adjusting bolt (140) are provided on the lower mounting platform of the station assembly (300).