CN218078878U

CN218078878U - Molding sand grading plant for manufacturing casting mold

Info

Publication number: CN218078878U
Application number: CN202222396839.4U
Authority: CN
Inventors: 陈学杰
Original assignee: Anhui Rongjie Precision Metal Products Co ltd
Current assignee: Anhui Rongjie Precision Metal Products Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-20
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a molding sand grading plant for manufacturing a casting mold, which comprises a frame, wherein a cylinder shell is arranged in the middle of the frame, a cylinder screen is sleeved in both ends of the cylinder shell through a bearing, a fork support is connected in both ends of the cylinder screen through a ring, a rotating shaft is sleeved in the fork support, one end of the rotating shaft extends out of the cylinder screen and is connected with an output shaft of a power source through a coupling, the power source is arranged at one end of the frame, a dripping groove for discharging is arranged at the lower edge of the end part of the cylinder screen far away from the power source, and a hopper is arranged at one end of the cylinder screen opposite to the dripping groove; have simple structure, reasonable in design, the thinking is novel unique, adds the molding sand through the baffle box and makes the molding sand hierarchical through the rotation of bobbin screen in to the bobbin screen, and the molding sand of the fine and small granule of screening falls on the bobbin shell inner wall to discharge from the discharging pipe, remaining coarse grain molding sand is discharged in the trickling groove along the water conservancy diversion rib in from the bobbin screen in addition.

Description

Molding sand grading plant for making casting mould

Technical Field

The utility model relates to a casting technical field especially relates to a make molding sand grading plant for casting mould.

Background

In the mechanical industry, many mechanical parts with complex structures are manufactured by casting process, and before casting the mechanical parts, firstly, a mould for casting the parts is manufactured, and a cavity in the mould for casting the parts has the same shape and size with the parts.

And in the in-process of making casting mould, need use the molding sand preparation mould, the mould vacuole formation that makes with the molding sand, and the molding sand that uses is at the mould making process, and the granularity of each layer of molding sand of cladding all will be even, can not be different in size, and the mould of making just so can reduce the hole and appear, in order to increase the qualification rate of casting part, and the molding sand quality of preparation casting mould is especially important, especially the granularity of molding sand, has disclosed a preparation molding sand grading plant for the mould for this application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the current problem, a make molding sand grading plant for mould is provided.

The utility model discloses a realize through following technical scheme: the utility model provides a make molding sand grading plant for casting mould, includes the frame, installation bobbin case in the middle of the frame all passes through bearing suit bobbin screen in the bobbin case both ends, all connects the fork through the ring in the bobbin screen both ends and props, and the fork props endotheca pivot, and pivot one end extends to the bobbin screen outside and through the output shaft of coupling joint power supply, and the power supply is installed in frame one end, keeps away from the bobbin screen tip of power supply and follows down to set up the ejection of compact and use trickling groove, and the one end relative with trickling groove on the bobbin screen sets up the hopper.

As a further improvement of the scheme, the dripping groove is obliquely arranged at the end part of the drum screen, the outer end of the dripping groove is low, the dripping groove is close to the inner end of the drum screen and is arranged at one end of the rack, and the dripping groove is convenient for screening the residual molding sand with large granularity and collecting the molding sand.

As the further improvement to above-mentioned scheme, the hopper set up in the bobbin screen tip along, and the baffle box is connected to port under the hopper, the curb plate overlap joint of baffle box is followed on the bobbin case tip, the discharge end of baffle box stretches into the fork in the bobbin screen and props the outside to in the molding sand that falls from the baffle box falls the bobbin screen, the outer end and the bobbin screen end of baffle box do not contact simultaneously, avoid the bobbin screen at rotation process friction baffle box.

As the further improvement to above-mentioned scheme, the fork that is close power supply one end props the medial surface of connecting in the ring, and the molding sand that conveniently falls from the hopper falls into the drum screen through the baffle box.

As a further improvement to the above scheme, the drum screen is evenly provided with a plurality of screen holes for grading the molding sand so as to separate different granularities of the molding sand.

As a further improvement to the scheme, the lower part of the cylinder shell is communicated with the discharge pipe and used for discharging fine granular molding sand screened out by the cylinder screen.

Compared with the prior art, the utility model has the following advantages: the sand feeding device has the advantages that the structure is simple, the design is reasonable, the thought is novel and unique, the molding sand is added into the drum screen through the guide chute, the molding sand is classified through the rotation of the drum screen, the screened fine and small molding sand falls onto the inner wall of the drum shell and is discharged from the discharge pipe, and in addition, the residual coarse and small molding sand in the drum screen is discharged into the dripping chute from the drum screen along the flow guide ribs; this device is quick to the molding sand classification, and hierarchical precision is high, and the molding sand granularity after the classification is even, and coarse grain molding sand and fine grain molding sand separately collect, and the effectual size of having guaranteed the molding sand that the casting mould used is unanimous, and the granularity is even, avoids the misce bene to adulterate each other and mixes.

Drawings

Fig. 1 is a schematic view of a first direction structure of the present invention.

Fig. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of a rotating shaft installed in a drum screen.

Fig. 4 is a schematic structural view of the hopper connecting with the material guiding chute.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, a make molding sand grading plant for mould, which comprises a frame 1, installation bobbin case 2 in the middle of the frame 1, all through bearing 3 suit bobbin screen 4 both ends outer wall in bobbin case 2 both ends, all connect fork through ring 5 in the bobbin screen 4 both ends and prop 6, dress pivot 7 in the fork props 6, pivot 7 one end extends to the bobbin screen 4 outer and through the output shaft of coupling joint power supply 8, power supply 8 installs in frame 1 one end, 4 tip of bobbin screen of keeping away from power supply 8 is down along setting up the ejection of compact and with trickling groove 10, the one end relative with trickling groove 10 on the bobbin screen 4 sets up hopper 9.

As a further improvement of the scheme, the dripping groove 10 is obliquely arranged at the end part of the drum sieve 4, the outer end of the dripping groove 10 is low, the dripping groove 10 is close to the inner end of the drum sieve 4 and is arranged at one end of the rack 1, and the dripping groove 10 is convenient for screening the residual molding sand with large granularity and collecting the dripping molding sand.

As the further improvement to above-mentioned scheme, hopper 9 set up in the tip of trommel sieve 4 and follow, and hopper 9 end opening connects baffle box 13, the curb plate overlap joint of baffle box 13 is followed on 2 tip of shell, the discharge end of baffle box 13 stretches into the fork in the trombone 6 outside in the trombone 4 to in the molding sand that falls from baffle box 13 falls down the trombone sieve 4, the outer end of baffle box 13 and trombone sieve 4 end edge contactless simultaneously avoid the trombone sieve 4 to rotate process friction baffle box 13.

As a further improvement to the above, a fork 6 near one end of the power source 8 is attached to the inner side of the ring 5 to facilitate the fall of the molding sand from the hopper 9 through the guide chute 13 into the sieve drum 4.

As a further improvement to the above scheme, a plurality of sieve holes are uniformly distributed on the drum sieve 4 and used for grading the molding sand so as to separate different granularities of the molding sand.

As a further improvement to the scheme, the lower part of the barrel shell 2 is communicated with a discharge pipe 11 for discharging fine granular molding sand screened by the barrel screen 4.

As a further improvement to the scheme, the outer wall of the lower part of the dripping groove 10 is connected to the machine frame 1.

The working principle of the molding sand grading device for manufacturing the casting mold is as follows: the molding sand pre-classified is placed into the hopper 9, then the molding sand flows out from the discharging port of the guide chute 13 under the guidance of the guide chute 13, the discharging port extends into the port of the drum screen 4, the flowing molding sand falls into the drum screen 4, meanwhile, the ring 5 at the port of the drum screen 4 can prevent the molding sand from flowing out of the drum screen 4, in addition, the discharging port of the guide chute 13 and the fork support 6 are arranged, gaps are reserved at the end parts of the ring 5 and the drum screen 4, interference and friction cannot occur, the molding sand falling into the drum screen 4 is driven to turn over along with the drum screen 4 under the rotation of the drum screen 4, the power source 8 works to drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the drum screen 4 to rotate synchronously through the ring 5 connected with the fork support 6 and the fork support 6, the drum shell 2 is fixed on the rack 1, the drum shell 2 and the drum screen 4 rotate relatively, the small granularity in the molding sand turned over in the drum screen 4 leaks out of the drum screen 4 from the sieve mesh of the drum screen 4, the small granularity in the drum shell 2 falls into the drum shell, the drum shell 2, the molding sand flows out through the guide chute, and the large granularity, and the molding sand is convenient to be discharged out through the guide chute, and flows out of the large granularity, and is convenient to be discharged out, and can be discharged along with the large granularity, and can be discharged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a make molding sand grading plant for casting mould, includes the frame, its characterized in that, installation bobbin case in the middle of the frame all through bearing suit bobbin screen in the bobbin case both ends, all connect the fork through the ring in the bobbin screen both ends and prop, and the fork props endotheca pivot, and pivot one end extends to the output shaft that the bobbin screen was outer and through the coupling joint power supply, and the power supply is installed in frame one end, keeps away from the bobbin screen tip of power supply and follows to set up the ejection of compact and use trickling the groove down, and the one end relative with trickling the groove on the bobbin screen sets up the hopper.

2. The sand grading device for manufacturing casting molds according to claim 1, wherein the drooling groove is obliquely arranged at the end of the screen, and the outer end of the drooling groove is lower and the drooling groove is arranged at one end of the frame near the inner end of the screen higher.

3. The molding sand classifying device for manufacturing molds according to claim 1, wherein the hopper is disposed at an end edge of the screen, and a lower port of the hopper is connected to the material guiding chute, a side plate of the material guiding chute is lapped on an upper edge of the end of the shell, and a discharge end of the material guiding chute extends to the outside of the fork support in the screen.

4. The sand grading device for manufacturing molds according to claim 1, wherein a fork near one end of the power source is attached to the inner side of the collar.