CN212981780U

CN212981780U - Auxiliary feeding device for core making machine

Info

Publication number: CN212981780U
Application number: CN202021940171.XU
Authority: CN
Inventors: 莫贻贵; 柳玉川; 訾陆坤; 柳嵩
Original assignee: Jinan Liuyuxin Machinery Equipment Co ltd
Current assignee: Jinan Liuyuxin Machinery Equipment Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-16
Anticipated expiration: 2030-09-08

Abstract

The application relates to a core making machine is with supplementary loading attachment, it includes feeding mechanism and screw conveyer, feeding mechanism's discharge gate is located the top of screw conveyer feed inlet, screw conveyer's discharge gate is located the notes sand mouth top of mould. This application is through setting up feeding mechanism and screw conveyer, has when the staff need add the resin sand to the mould, control feeding mechanism makes the resin sand fall into screw conveyer through feeding mechanism's discharge gate then to make the resin sand carry to the mould in through screw conveyer, and then make the automatic material loading to the mould, finally reach the effect that reduces staff's work load.

Description

Auxiliary feeding device for core making machine

Technical Field

The application relates to the technical field of casting mold manufacturing, in particular to an auxiliary feeding device for a core making machine.

Background

The casting is a metal molding object obtained by various casting methods, and the smelted liquid metal is injected into a casting mold prepared in advance by pouring, injection, suction or other pouring methods, and the object with certain shape, size and performance is obtained after the processes of cooling, polishing and the like. In casting a casting, resin sand, which is molding sand or core sand mixed with synthetic resin as a binder, an accelerator and sand grains, is generally used. In the process of manufacturing the core sand, the resin sand needs to be injected into a mold of a core making machine, then ammonia gas is introduced, so that the binder, the accelerator and the sand grains are rapidly solidified, and finally the core sand is manufactured and molded. The core making machine comprises a base, a workbench, a mold with a sand injection port at the upper end and a blowing plate, wherein the workbench is rotatably connected to the base, the mold is fixedly installed on the workbench through a bolt pair, the blowing plate is fixedly connected to the sand injection port of the mold through the bolt pair, and the blowing plate compacts resin sand in the mold. When the core making machine is used, firstly, the resin sand mixed by the sand mixer is injected into the mold through the sand injection port, then the air blowing plate is arranged at the sand injection port of the mold, and finally ammonia gas is injected into the mold, so that the core sand is finally manufactured.

In the prior art, in the core sand manufacturing process, workers are required to firstly load the manufactured resin sand onto a trolley, then push the trolley to the position of a mold, and then load the resin sand on the trolley into the mold, so that the resin sand is molded into the core sand in the mold.

In view of the above-mentioned related art, the inventor believes that in the process of manufacturing core sand in a factory, a worker is required to manually feed a mold, and then there is a defect that the workload of the worker is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the work load of workers is increased when the mold is manually loaded, the application provides an auxiliary loading device for a core making machine.

The application provides a core machine uses supplementary loading attachment adopts following technical scheme:

the utility model provides a core machine is with supplementary loading attachment, includes feeding mechanism and screw conveyer, feeding mechanism's discharge gate is located the top of screw conveyer feed inlet, screw conveyer's discharge gate is located the notes sand mouth top of mould.

Through adopting above-mentioned technical scheme, when the staff need add the resin sand to the mould, control feeding mechanism makes the resin sand fall into screw conveyer through feeding mechanism's discharge gate then to make the resin sand carry to the mould in through screw conveyer, and then make automatic material loading to the mould, finally reach the effect that reduces staff's work load.

Preferably, still include the base, screw conveyer rotates with the base to be connected, just the base sets up with screw conveyer's axis of rotation and screw conveyer feed inlet's central point collineation.

Through adopting above-mentioned technical scheme, when supplementary loading attachment carries out the material loading to the mould of difference, rotate screw conveyer, make simultaneously to take place relative rotation between screw conveyer and the base, thereby make screw conveyer's feed opening be located the mould and annotate sand directly over mouthful, and then guarantee that the resin sand through screw conveyer transport directly falls into the mould, after supplementary loading attachment is accomplished the mould material loading, rotate screw conveyer, make screw conveyer rotate the one end to the mould, and then reduce the influence of screw conveyer to the staff during operation, finally reach the effect that increases supplementary loading attachment flexibility.

Preferably, the feed inlet of screw conveyer department intercommunication is provided with the feeder hopper, the feeder hopper is down trapezoidal.

Through adopting above-mentioned technical scheme, when feed mechanism carries out the feed to screw conveyer, the resin sand that falls through feed mechanism discharge gate directly falls into the feeder hopper, and then makes resin sand all fall into screw conveyer, reduces the waste of resin sand.

Preferably, a plurality of cleaning openings are formed in the outer wall of the spiral conveyor, a plurality of blocking pieces are detachably connected to the outer wall of the spiral conveyor corresponding to the plurality of cleaning openings, and the blocking pieces are arranged in one-to-one correspondence with the cleaning openings.

Through adopting above-mentioned technical scheme, after using supplementary loading attachment for a long time, will block the piece and pull down to make things convenient for the staff to clear up screw conveyer, and then make the adhesion come down by the clearance on screw conveyer inner wall resin sand, fall down through the clearance mouth, finally reach the condition that reduces screw conveyer and block up and take place.

Preferably, it can dismantle with screw conveyer's outer wall and be connected to block the piece through the locking subassembly, the locking subassembly includes a plurality of 7 style of calligraphy lock tabs and a plurality of lock poles that are, and is a plurality of the lock tabs sets up with a plurality of lock pole one-to-ones, and is a plurality of the lock tabs evenly sets up in the both sides that block the piece relative, and is a plurality of the lock pole all with screw conveyer's perpendicular fixed connection of outer wall, a plurality of screw conveyer's lock tabs that correspond separately are all worn out to the one end that screw conveyer was kept away from to the lock pole, and is a plurality of screw conveyer's the equal threaded connection of one end has the nut, just the turning that is 7 style of calligraphy lock tabs is arranged towards screw conveyer, and the lock tabs with block the piece butt.

Through adopting above-mentioned technical scheme, when clearing up screw conveyer, twist and move a plurality of nuts for the lock piece directly becomes flexible with blockking the piece, makes the staff can take off blockking the piece simultaneously, and then makes things convenient for the staff to clear up screw conveyer's inner wall.

Preferably, the feeding mechanism comprises a material storage hopper, a control assembly for controlling the material storage hopper to discharge and a discharging pipe, and the discharging pipe is communicated with the material storage hopper at the material discharge opening.

Through adopting above-mentioned technical scheme, when feed mechanism supplied the material to screw conveyer, open control assembly for control assembly directly gets into screw conveyer through the unloading pipe with the resin sand in the storage hopper, finally reaches the effect that feed mechanism can control the screw conveyer material supply volume.

Preferably, the control assembly comprises a control sheet and a hydraulic cylinder for driving the control sheet to move, the control sheet and the blanking pipe are in sliding connection with the blanking pipe along the direction perpendicular to the length direction of the blanking pipe, the cylinder body of the hydraulic cylinder is fixedly connected with the blanking pipe, and the piston rod of the hydraulic cylinder is hinged to the control sheet.

Through adopting above-mentioned technical scheme, when needs supply for screw conveyer, start the pneumatic cylinder, make the piston rod of pneumatic cylinder drive the control piece simultaneously to make control piece and unloading pipe take place relative slip, and then make unloading pipe and storage hopper intercommunication, finally make in the storage hopper resin sand directly get into screw conveyer through unloading pipe.

Preferably, the hydraulic cylinder is hinged to the blanking pipe through a portal frame, the opening of the portal frame is fixedly connected with two opposite sides of the blanking pipe, a space for the control sheet to slide is formed between the portal frame and the blanking pipe, the cylinder body of the hydraulic cylinder is fixedly connected with one end, far away from the blanking pipe, of the portal frame, and the piston rod of the hydraulic cylinder penetrates into the space formed by the portal frame and the blanking pipe.

Through adopting above-mentioned technical scheme, when the pneumatic cylinder drives the control piece, the portal frame carries out fixed stay to the pneumatic cylinder, makes then the control piece move to the space that forms between portal frame and the unloading pipe in, and then guarantees the normal control of pneumatic cylinder to the control piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the feeding mechanism and the spiral conveyor, when workers need to add resin sand into the mold, the feeding mechanism is controlled, and then the resin sand falls into the spiral conveyor through a discharge hole of the feeding mechanism, so that the resin sand is conveyed into the mold through the spiral conveyor, the mold is automatically fed, and the effect of reducing the workload of the workers is finally achieved;

2. by arranging the base, when the auxiliary feeding device feeds different molds, the screw conveyor is rotated, and meanwhile, the screw conveyor and the base are relatively rotated, so that the feed opening of the screw conveyor is positioned right above the sand injection opening of the mold, the resin sand conveyed by the screw conveyor is ensured to directly fall into the mold, and after the auxiliary feeding device finishes feeding the mold, the screw conveyor is rotated to enable the screw conveyor to rotate to one end of the mold, so that the influence of the screw conveyor on the working time of workers is reduced, and the effect of increasing the flexibility of the auxiliary feeding device is finally achieved;

3. through setting up the feeder hopper, when feeding mechanism carries out the feed to screw conveyer, the resin sand that falls through feeding mechanism discharge gate directly falls into the feeder hopper, and then makes resin sand all fall into screw conveyer, reduces the waste of resin sand.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Description of reference numerals: 100. a feeding mechanism; 110. a storage hopper; 120. a control component; 121. a control sheet; 122. a hydraulic cylinder; 123. a gantry; 130. a discharging pipe; 200. a screw conveyor; 210. a feed hopper; 220. cleaning the opening; 230. a blocking sheet; 300. a base; 400. a locking assembly; 410. a locking piece; 420. a lock lever; 421. and a nut.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses core machine is with supplementary loading attachment.

Referring to fig. 1, the auxiliary feeding device for the core making machine comprises a feeding mechanism 100, a spiral conveyor 200 and a base 300, wherein a feeding hopper 210 in an inverted trapezoid shape is arranged at a feeding port of the spiral conveyor 200 in a communicating manner, a discharging port of the feeding mechanism 100 is located at the top of the feeding hopper 210, and a discharging port of the spiral conveyor 200 is located at the top of a sand injection port of a mold. The base 300 is fixedly connected with the ground, the screw conveyor 200 is rotatably connected with the base 300, and the rotation axes of the base 300 and the screw conveyor 200 are arranged in a collinear way with the central point of the feeding hole of the screw conveyor 200.

In order to facilitate cleaning of the inside of the screw conveyor 200 by workers, the outer wall of the screw conveyor 200 is provided with a plurality of cleaning ports 220, the outer wall of the screw conveyor 200 corresponding to the plurality of cleaning ports 220 is detachably connected with a plurality of blocking pieces 230, and the blocking pieces 230 are arranged in one-to-one correspondence with the cleaning ports 220. Stop piece 230 and can dismantle with screw conveyer 200's outer wall through locking subassembly 400 and be connected, locking subassembly 400 includes that a plurality of 7 style of calligraphy locking pieces 410 and a plurality of locking poles 420 that are, and a plurality of locking pieces 410 and a plurality of locking poles 420 one-to-one are arranged, and a plurality of locking pieces 410 evenly install in the relative both sides of stopping piece 230 to a plurality of locking poles 420 all are connected with screw conveyer 200's outer wall vertical fixation. The one end that screw conveyer 200 was kept away from to a plurality of locking poles 420 all wears out respective corresponding locking piece 410, and the equal threaded connection of one end that screw conveyer 200 was kept away from to a plurality of locking poles 420 has nut 421, and is 7 style of calligraphy locking piece 410's turning and arranges towards screw conveyer 200 to locking piece 410 and stop piece 230 butt.

In order to control the amount of resin sand supplied to the screw conveyor 200, the feeding mechanism 100 includes a storage hopper 110, a control unit 120 for controlling the storage hopper 110 to discharge, and a discharge pipe 130, wherein the discharge pipe 130 is disposed to communicate with the discharge opening of the storage hopper 110, and the diameter of the discharge pipe 130 is smaller than the diameter of the end of the feed hopper 210 near the discharge pipe 130. The control assembly 120 comprises a control plate 121 and a hydraulic cylinder 122 for driving the control plate 121 to move, and the control plate 121 and the blanking pipe 130 are connected with the blanking pipe 130 in a sliding manner along a direction perpendicular to the length direction of the blanking pipe 130. The feeding pipe 130 is provided with a portal frame 123, an opening of the portal frame 123 is fixedly connected with two opposite sides of the feeding pipe 130, and a space for the control sheet 121 to slide is formed between the portal frame 123 and the feeding pipe 130. The cylinder body of the hydraulic cylinder 122 is fixedly connected with one end of the portal frame 123 far away from the blanking pipe 130, the piston rod of the hydraulic cylinder 122 penetrates into a space formed by the portal frame 123 and the blanking pipe 130, and the piston rod of the hydraulic cylinder 122 is hinged with one end of the control sheet 121.

The implementation principle of the auxiliary feeding device for the core making machine is as follows: when the auxiliary feeding device is used for supplying resin sand to the mold, the screw conveyor 200 is firstly rotated, so that the screw conveyor 200 and the base 300 are relatively rotated, and meanwhile, the discharge hole of the screw conveyor 200 is aligned to the sand injection hole of the mold. Then, the hydraulic cylinder 122 is started, so that the hydraulic cylinder 122 drives the control piece 121, and simultaneously, the blanking pipe 130 is communicated with the storage hopper 110, so that the resin sand in the storage hopper 110 directly falls into the feed hopper 210 through the blanking pipe 130. The resin sand entering the feed hopper 210 falls into the screw conveyor 200, so that the screw conveyor 200 transports the resin sand, and finally the resin sand directly enters the mold through a discharge port of the screw conveyor 200.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a core machine is with supplementary loading attachment which characterized in that: the sand injection mold comprises a feeding mechanism (100) and a spiral conveyor (200), wherein a discharge hole of the feeding mechanism (100) is formed in the top of a feed hole of the spiral conveyor (200), and a discharge hole of the spiral conveyor (200) is formed in the top of a sand injection port of the mold.

2. An auxiliary feeding device for a core making machine as claimed in claim 1, characterized in that: still include base (300), screw conveyer (200) are rotated with base (300) and are connected, just the axis of rotation of base (300) and screw conveyer (200) sets up with the central point collineation of screw conveyer (200) feed inlet.

3. An auxiliary feeding device for a core making machine as claimed in claim 1, characterized in that: the feed inlet department intercommunication of screw conveyer (200) is provided with feeder hopper (210), feeder hopper (210) are down trapezoidal.

4. An auxiliary feeding device for a core making machine as claimed in claim 1, characterized in that: a plurality of cleaning openings (220) are formed in the outer wall of the spiral conveyor (200), a plurality of blocking pieces (230) are detachably connected to the outer wall of the spiral conveyor (200) corresponding to the cleaning openings (220), and the blocking pieces (230) are in one-to-one correspondence with the cleaning openings (220).

5. An auxiliary feeding device for a core making machine as claimed in claim 4, characterized in that: the blocking piece (230) is detachably connected with the outer wall of the spiral conveyer (200) through a locking assembly (400), the locking assembly (400) comprises a plurality of locking sheets (410) in a 7 shape and a plurality of locking rods (420), the locking sheets (410) and the locking rods (420) are arranged in a one-to-one correspondence manner, and a plurality of locking sheets (410) are uniformly arranged at two opposite sides of the blocking sheet (230), the locking rods (420) are vertically and fixedly connected with the outer wall of the screw conveyer (200), one ends of the locking rods (420) far away from the screw conveyer (200) penetrate through the corresponding locking sheets (410), one ends of the locking rods (420) far away from the screw conveyer (200) are in threaded connection with nuts (421), and the corner of the 7-shaped locking piece (410) is arranged towards the screw conveyor (200), and the locking piece (410) is abutted against the blocking piece (230).

6. An auxiliary feeding device for a core making machine as claimed in claim 1, characterized in that: the feeding mechanism (100) comprises a material storage hopper (110), a control assembly (120) for controlling the material storage hopper (110) to discharge and a discharging pipe (130), wherein the discharging pipe (130) is communicated with a material outlet of the material storage hopper (110).

7. An auxiliary feeding device for a core making machine as claimed in claim 6, characterized in that: the control assembly (120) comprises a control sheet (121) and a hydraulic cylinder (122) for driving the control sheet (121) to move, the control sheet (121) and the blanking pipe (130) are in sliding connection with the blanking pipe (130) along the direction perpendicular to the length direction of the blanking pipe (130), the cylinder body of the hydraulic cylinder (122) is fixedly connected with the blanking pipe (130), and the piston rod of the hydraulic cylinder (122) is hinged to the control sheet (121).

8. An auxiliary feeding device for a core making machine as claimed in claim 7, characterized in that: the hydraulic cylinder (122) is hinged to the discharging pipe (130) through a portal frame (123), an opening of the portal frame (123) is fixedly connected with two opposite sides of the discharging pipe (130), a space for the control sheet (121) to slide is formed between the portal frame (123) and the discharging pipe (130), a cylinder body of the hydraulic cylinder (122) is fixedly connected with one end, far away from the discharging pipe (130), of the portal frame (123), and a piston rod of the hydraulic cylinder (122) penetrates into the space formed by the portal frame (123) and the discharging pipe (130).