CN210208524U

CN210208524U - Sand mixing device

Info

Publication number: CN210208524U
Application number: CN201920894748.9U
Authority: CN
Inventors: Chenglin Liu; 刘成林
Original assignee: WEIFANG CHENGLIN FOUNDRY MACHINERY CO Ltd
Current assignee: WEIFANG CHENGLIN FOUNDRY MACHINERY CO Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-31
Anticipated expiration: 2029-06-14

Abstract

The utility model provides a sand mixing device, which comprises a frame, be equipped with a sand mixing barrel in the frame, the axle center level of a sand mixing barrel sets up, sand mixing barrel intercommunication has spiral feeding device, spiral feeding device intercommunication has the constant volume fill, the constant volume fill intercommunication has sand storehouse and auxiliary material storehouse, be equipped with first proportional valve between constant volume fill and the sand storehouse, be equipped with the second proportional valve between constant volume fill and the auxiliary material storehouse, a sand mixing barrel internal rotation is connected with the carousel, the vertical setting of carousel, the carousel transmission is connected with drives its pivoted carousel drive arrangement, be equipped with a plurality of stirring vane on the carousel, the stirring vane level sets up. The total height of the equipment is low, the power equipment is arranged at the rear of the sand mixing cylinder, the sand warehouse and the auxiliary material warehouse are required to be arranged above the sand mixing cylinder, the total height of the equipment is reduced, the requirement on the environment space is low when the equipment is used, and the use is convenient.

Description

Sand mixing device

Technical Field

The utility model relates to a casting equipment technical field.

In particular to a sand mixing device.

Background

The sand mixer is a device for uniformly mixing all components in the molding sand, is a main device for processing the molding sand and mixing the molding sand, and is also a key device for obtaining qualified molding sand.

The sand mixing cylinder in the existing sand mixer is generally vertically arranged, and the technical scheme has the following defects.

1. The total height of the equipment is high, power equipment such as a motor or an engine needs to be arranged below the sand mixing barrel, equipment such as a sand warehouse and an auxiliary material warehouse needs to be arranged above the sand mixing barrel, the total height of the equipment is too high, the requirement on the environment space is high when the equipment is used, and the use is inconvenient.

2. Mix a sand section of thick bamboo clearance inconvenient, when equipment stop use need the clearance mix a sand section of thick bamboo, need the staff to climb to mix a sand section of thick bamboo top, increase staff's safety risk, the clearance degree of difficulty is higher, the cleaning efficiency is low.

3. All components in the molding sand are mixed unevenly, the clearance between the stirring blade of the sand mixing cylinder in the existing sand mixer and the bottom surface of the sand mixing cylinder is usually large, and materials in the clearance are difficult to stir during stirring, so that all components in the molding sand are mixed unevenly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a sand mulling device.

The purpose of the utility model is achieved through the following technical measures:

the utility model provides a sand mixing device, includes the frame, be equipped with a sand mixing section of thick bamboo in the frame, the axle center level of a sand mixing section of thick bamboo sets up, a sand mixing section of thick bamboo intercommunication has spiral feeding device, spiral feeding device intercommunication has the constant volume fill, the constant volume fill intercommunication has sand storehouse and auxiliary material storehouse, be equipped with first proportional valve between constant volume fill and the sand storehouse, be equipped with the second proportional valve between constant volume fill and the auxiliary material storehouse, a sand mixing section of thick bamboo internal rotation is connected with the carousel, the vertical setting of carousel, carousel transmission is connected with drives its pivoted rotary table drive, be equipped with a plurality of stirring vane on the carousel, the stirring vane level sets up.

As an improvement: the sand mixing device is characterized by further comprising a resin box, wherein the resin box is connected with a resin quantitative conveying device, the resin quantitative conveying device is connected with a resin conveying pipe, and the resin conveying pipe is communicated with the inside of the sand mixing cylinder.

As an improvement: the side of the sand mixing cylinder is provided with a discharge hole, and the sand mixing cylinder is provided with a discharge hole sealing structure.

As an improvement: the discharge opening sealing structure comprises a push rod, a rocker, a discharge opening sealing plate and a push rod driving device for driving the push rod to reciprocate, the push rod is hinged to one end of the rocker, the rocker is hinged to a sand mixing barrel, the discharge opening sealing plate is arranged at one end, away from the push rod, of the rocker, and the discharge opening sealing plate is matched with the discharge opening and used for sealing the discharge opening.

As an improvement: the push rod driving device comprises an air cylinder, and the air cylinder is hinged with the sand mixing barrel.

As an improvement: the cross section of the stirring blade is L-shaped.

As an improvement: the sand mulling barrel is provided with a cleaning door, the cleaning door is hinged with the sand mulling barrel, and a cleaning door fixing mechanism is arranged between the cleaning door and the sand mulling barrel.

As an improvement: the spiral conveying device comprises a conveying pipe, a conveying shaft and conveying blades, wherein the conveying shaft is located on the inner side of the conveying pipe, the conveying blades are spirally arranged on the conveying shaft, and the conveying shaft is in transmission connection with a conveying shaft driving device for driving the conveying shaft to rotate.

As an improvement: and a packing auger is arranged between the quantitative hopper and the auxiliary material warehouse.

As an improvement: the rotary table driving device comprises a sand mixing motor and a speed reducer, the speed reducer is provided with an output shaft, and one end of the output shaft extends into the sand mixing barrel and is fixedly connected with the rotary table.

Compared with the prior art, due to the adoption of the technical scheme, the utility model has the advantages that.

1. The total height of the equipment is low, the power equipment is arranged at the rear of the sand mixing cylinder, the sand warehouse and the auxiliary material warehouse are required to be arranged above the sand mixing cylinder, the total height of the equipment is reduced, the requirement on the environment space is low when the equipment is used, and the use is convenient.

2. Mix a sand section of thick bamboo clearance convenience, when equipment stop use needs the clearance to mix a sand section of thick bamboo, the staff can operate on ground, reduces staff's safety risk, and the clearance degree of difficulty is lower, and the cleaning efficiency is high.

3. All components in the molding sand are uniformly mixed, the gap between the stirring blade and the side surface of the sand mixing barrel is small, materials in the gap are easily stirred during stirring, and all components in the molding sand are uniformly mixed.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic structural diagram of the sand mulling device of the utility model.

FIG. 2 is a schematic structural view of section A-A in FIG. 1.

FIG. 3 is a schematic structural view of section B-B of FIG. 1.

Fig. 4 is a schematic structural view of section C-C in fig. 3.

In the figure: 1-a frame; 2-a sand mulling motor; 3-a first conveying motor; 4-a conveying pipe; 5-a quantitative hopper; 6-a first proportional valve; 7-a sand silo; 8-a sand mixing cylinder; 9-a cylinder; 10-a push rod; 11-a rocker; 12-discharge opening closing plate; 13-cleaning the door; 14-a speed reducer; 15-a heating mechanism; 16-a delivery shaft; 17-a conveying blade; 18-a feed inlet; 19-a discharge port; 20-a resin quantitative conveying device; 21-an output shaft; 22-a turntable; 23-a connecting plate; 24-stirring blades; 25-an auxiliary material library; 26-a second metered dose valve; 27-a packing auger; 28-a second conveyor motor; 29-resin tank; 30-resin delivery pipe.

Detailed Description

Example (b): as shown in the accompanying drawing 1, a sand mixing device, including frame 1, be equipped with in frame 1 and mix a sand section of thick bamboo 8, the shape of mixing a sand section of thick bamboo 8 is the cylinder, the axle center level setting of mixing a sand section of thick bamboo 8, it has spiral delivery device to mix a sand section of thick bamboo 8 intercommunication, spiral delivery device intercommunication has constant volume hopper 5, constant volume hopper 5 intercommunication has sand storehouse 7 and auxiliary material storehouse 25, be equipped with first proportional valve 6 between constant volume hopper 5 and the sand storehouse 7, be equipped with second proportional valve 26 between constant volume hopper 5 and the auxiliary material storehouse 25, it is connected with carousel 22 to mix a sand section of thick bamboo 8 internal rotation, the vertical setting of carousel 22, carousel 22 transmission is connected with drives its pivoted carousel drive arrangement, be equipped with a plurality of stirring vane 24 on the carousel 22, stirring vane 24 level sets up.

The quantitative hopper 5 is internally provided with a heating mechanism 15, and the heating mechanism 15 adopts the existing technology, which is not described again.

Still include resin case 29, resin case 29 is connected with resin ration conveyor 20, resin ration conveyor 20 is connected with resin conveyer pipe 30, resin conveyer pipe 30 and the inside intercommunication of a sand mulling section of thick bamboo 8, specifically, resin conveyer pipe 30 is connected with clearance door 13.

The resin quantitative conveying device 20 is a piston pump, and the piston pump adopts the prior art, and is not described in detail herein.

The resin box 29 and the resin quantitative conveying device 20 are two in number, the resin conveying pipes 30 are arranged in one-to-one correspondence with the resin quantitative conveying device 20 and the resin box 29, and different types of resin are added into each set of resin box 29.

As shown in fig. 2, a discharge port 19 is arranged on the side of the sand mixing cylinder 8, and a discharge port sealing structure is arranged on the sand mixing cylinder 8.

Discharge opening enclosed construction includes push rod 10, wane 11, discharge opening closed plate 12 and the push rod drive arrangement of drive push rod 10 reciprocating motion, push rod 10 is articulated with 11 one end of wane, wane 11 is articulated with a sand mixing section of thick bamboo 8, discharge opening closed plate 12 sets up in the one end that push rod 10 was kept away from to wane 11, discharge opening closed plate 12 cooperatees with discharge opening 19 for seal discharge opening 19.

The push rod driving device comprises a cylinder 9, and the cylinder 9 is hinged with the sand mixing barrel 8.

As shown in fig. 3 and 4, the cross section of the stirring blade 24 is L-shaped, one end of the stirring blade 24 close to the rotating disc 22 is fixedly connected with a connecting plate 23, the connecting plate 23 is fixedly connected with the rotating disc 22, an angle a between one side of the stirring blade 24 and the radial direction of the sand mixing cylinder 8 is 20 degrees to 70 degrees, and an angle B between the other side of the stirring blade 24 and the radial direction of the sand mixing cylinder 8 is 20 degrees to 70 degrees.

Be equipped with clearance door 13 on the muddy sand section of thick bamboo 8, clearance door 13 is articulated with muddy sand section of thick bamboo 8, be equipped with clearance door fixed establishment between clearance door 13 and the muddy sand section of thick bamboo 8.

The cleaning door fixing mechanism includes a bolt.

The spiral conveying device comprises a conveying pipe 4, a conveying shaft 16 and conveying blades 17, wherein the conveying shaft 16 is located on the inner side of the conveying pipe 4, the conveying blades 17 are arranged on the conveying shaft 16 in a spiral mode, and the conveying shaft 16 is in transmission connection with a conveying shaft driving device for driving the conveying shaft to rotate. The conveyer pipe 4 is connected with the bottom surface of a sand mixing section of thick bamboo 8, conveyer pipe 4 is equipped with charge door 18 with the junction of sand mixing section of thick bamboo 8 bottom surface.

The conveying shaft driving means includes a first conveying motor 3.

Still be equipped with auger 27 between quantitative hopper 5 and auxiliary material storehouse 25, auger 27 is driven by second conveying motor 28.

The turntable driving device comprises a sand mixing motor 2 and a speed reducer 14, the speed reducer 14 is provided with an output shaft 21, and one end of the output shaft 21 extends into the sand mixing barrel 8 and is fixedly connected with a turntable 22.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should fall within the patent coverage of the present invention.

Claims

1. The utility model provides a sand mixing device, includes frame (1), be equipped with sand mixing barrel (8) on frame (1), its characterized in that: mix the axle center level setting of a sand section of thick bamboo (8), mix sand section of thick bamboo (8) intercommunication and have spiral feeding device, spiral feeding device intercommunication has constant volume fill (5), constant volume fill (5) intercommunication has sand storehouse (7) and auxiliary material storehouse (25), be equipped with first proportional valve (6) between constant volume fill (5) and sand storehouse (7), be equipped with second proportional valve (26) between constant volume fill (5) and auxiliary material storehouse (25), it is connected with carousel (22) to mix sand section of thick bamboo (8) internal rotation, the vertical setting of carousel (22), carousel (22) transmission is connected with drives its pivoted carousel drive arrangement, be equipped with a plurality of stirring vane (24) on carousel (22), stirring vane (24) level sets up.

2. The sand mulling apparatus of claim 1, wherein: still include resin case (29), resin case (29) are connected with resin ration conveyor (20), resin ration conveyor (20) are connected with resin conveyer pipe (30), resin conveyer pipe (30) and the inside intercommunication of a sand mixing section of thick bamboo (8).

3. The sand mulling apparatus of claim 1, wherein: mix sand section of thick bamboo (8) lateral part and be equipped with drain hole (19), be equipped with drain hole enclosed construction on mixing sand section of thick bamboo (8).

4. A sand mixing device according to claim 3, characterized in that: discharge opening enclosed construction includes push rod (10), wane (11), discharge opening closed plate (12) and drive push rod (10) reciprocating motion's push rod drive arrangement, push rod (10) are articulated with wane (11) one end, wane (11) are articulated with muddy sand section of thick bamboo (8), discharge opening closed plate (12) set up in the one end that push rod (10) were kept away from in wane (11), discharge opening closed plate (12) cooperate with discharge opening (19) for seal discharge opening (19).

5. A sand mixing device according to claim 4, characterized in that: the push rod driving device comprises an air cylinder (9), and the air cylinder (9) is hinged with the sand mixing barrel (8).

6. The sand mulling apparatus of claim 1, wherein: the cross section of the stirring blade (24) is L-shaped.

7. A sand mixing device according to any one of claims 1 to 6, characterized in that: be equipped with cleaning door (13) on mixing a sand section of thick bamboo (8), cleaning door (13) are articulated with mixing a sand section of thick bamboo (8), be equipped with cleaning door fixed establishment between cleaning door (13) and mixing a sand section of thick bamboo (8).

8. A sand mixing device according to any one of claims 1 to 6, characterized in that: the spiral conveying device comprises a conveying pipe (4), a conveying shaft (16) and conveying blades (17), wherein the conveying shaft (16) is located on the inner side of the conveying pipe (4), the conveying blades (17) are spirally arranged on the conveying shaft (16), and the conveying shaft (16) is in transmission connection with a conveying shaft driving device for driving the conveying shaft to rotate.

9. A sand mixing device according to any one of claims 1 to 6, characterized in that: and a packing auger (27) is also arranged between the quantitative hopper (5) and the auxiliary material warehouse (25).

10. A sand mixing device according to any one of claims 1 to 6, characterized in that: the rotary table driving device comprises a sand mixing motor (2) and a speed reducer (14), the speed reducer (14) is provided with an output shaft (21), and one end of the output shaft (21) extends into the sand mixing barrel (8) and is fixedly connected with the rotary table (22).