CN113648882A

CN113648882A - Sand mixer mixing device capable of increasing mixing contact surface and achieving uniform automatic discharging

Info

Publication number: CN113648882A
Application number: CN202110870117.5A
Authority: CN
Inventors: 李江学
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-11-16

Abstract

The invention provides a sand mixer mixing device capable of increasing a mixing contact surface and uniformly and automatically discharging, and relates to the technical field of sand mixers. This roller mill mixing arrangement of multiplicable mixed contact surface and even automatic discharge, which comprises a housin, the discharge gate has been seted up to the bottom of casing, feed gate department fixed mounting has the feeder hopper, the inside of discharge gate slides and is provided with the briquetting, the both sides fixedly connected with sprue of briquetting bottom. This roller mill mixing arrangement of multiplicable mixed contact surface and even automatic discharge through being provided with a plurality of mixed stirring structures and through rotatory centrifugal force drive mixed stirring structure increase use, can effectual increase stirring area of contact, improve machining efficiency, through being provided with push rod, briquetting, sprue isotructure, make this device can realize automatic even ejection of compact when outside motor work, and the briquetting can automatic re-setting drive sprue plug up and plug up the discharge gate when the motor stop work.

Description

Sand mixer mixing device capable of increasing mixing contact surface and achieving uniform automatic discharging

Technical Field

The invention relates to the technical field of sand mixers, in particular to a sand mixer mixing device capable of increasing a mixing contact surface and uniformly and automatically discharging.

Background

The sand mixer is casting equipment for mixing molding sand or core sand, and generally has the following functions of uniformly mixing old sand, new sand, a molding sand binder and auxiliary materials, and generating corresponding friction force and shearing force among sand grains so as to generate grinding, mixing, crushing and the like, but the existing mixing device of the sand mixer has the following defects when in use: firstly, the existing common sand mixer mixing device is only provided with a single stirring shaft or two stirring shafts or three stirring shafts when in actual use, so that the efficiency of sand grains in the device is low when in actual mixing and stirring, and the effect is poor; secondly, at present common roller mill mixing arrangement when the in-service use, mostly all stir or mix the back through artifical ejection of compact again to inside sand grain, the inconvenience that this kind of ejection of compact mode is very, and inefficiency.

In order to solve the problems, the inventor provides a sand mixer mixing device capable of increasing a mixing contact surface and uniformly and automatically discharging materials, the mixing stirring structure is driven by a rotary centrifugal force to be used for a long time, the use radius of the internal stirring mixing structure of the device can be effectively prolonged, the stirring contact area is increased, and the machining efficiency is improved.

Disclosure of Invention

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a multiplicable mixed contact surface and even automatic discharging's roller mill mixing arrangement, includes casing, feed inlet, discharge gate, feeder hopper, briquetting, sprue, pivot, connecting plate, dead lever, shell, stirring rake, connecting rod, stopper, spring assembly, extension puddler one, push rod, extension puddler two, extension puddler three.

Wherein:

the bottom of the shell is provided with a discharge hole, a feed hopper is fixedly arranged at the position of the feed hole, a press block is arranged in the discharge hole in a sliding manner, two sides of the bottom of the press block are fixedly connected with a blocking block, a rotating shaft is rotatably arranged at the middle position in the shell, a connecting plate is fixedly arranged at the bottom end of the rotating shaft, a fixing rod is fixedly arranged at the edge of the bottom of the connecting plate, a shell is fixedly arranged at the upper end and the lower end of one side surface of the fixing rod, a stirring paddle is fixedly arranged between the shells, a connecting rod penetrating through the fixing rod is arranged in the shell, a limiting block is fixedly arranged at one end of the connecting rod, a spring assembly is fixedly connected to one side of the limiting block, an extension stirring rod I is fixedly arranged at the other end of the connecting rod, a push rod is fixedly arranged at the bottom end of one surface of the extension stirring rod I, an extension stirring rod II is fixedly arranged at one side of the top end of the extension stirring rod II, and the surface of the second extension stirring rod is rotatably provided with a third extension stirring rod.

Preferably, the two discharge ports are arranged on two sides of the bottom of the shell respectively, so that sand grains can be discharged more quickly.

Preferably, the bottom of the pressing block is fixedly connected with the inside of the discharge port through a return spring, so that the pressing block can automatically reset to block the discharge port after the push rod is separated from the pressing block.

Preferably, the top end of the rotating shaft extends to the outside of the shell and is fixedly connected with the output end of an external motor for mechanical transmission.

Preferably, the stirring rake is provided with two sets ofly, and every group is provided with two stirring rakes, increases the stirring contact surface, improves stirring mixing efficiency.

Preferably, the other end of the spring assembly is fixedly connected inside the fixing rod, so that the connecting rod can return automatically after the motor stops.

Preferably, one end of the push rod is provided with a curved surface push block matched with the pressing block, so that the push rod and the pressing block can be matched conveniently.

Preferably, the second extension stirring rod is obliquely installed, and an included angle formed between the second extension stirring rod and the first extension stirring rod is twenty degrees.

The invention provides a mixing device of a sand mixer, which can increase the mixing contact surface and realize uniform and automatic discharging.

The method has the following beneficial effects:

1. the sand mixer mixing device capable of increasing the mixing contact surface and realizing uniform automatic discharging enters the interior of the device through the feed hopper when in actual use, then the external motor is started to start stirring and mixing the sand grains in the interior, the fixed rod and the stirring paddle are used for preliminary mixing of the sand grains in the interior in the stirring and mixing process, corresponding friction force and shearing force are generated among the sand grains, so that the grinding, mixing, crushing and the like effects are generated, the connecting rod is prolonged under the action of high-speed inertial centrifugal force during rotation, the first prolonged stirring rod and the second prolonged stirring rod are used for prolonging, the third prolonged stirring rod is thrown and is parallel to the bottom of the device under the action of centrifugal force, the first prolonged stirring rod, the second prolonged stirring rod and the third prolonged stirring rod are used for further grinding, mixing and crushing the sand grains in the interior, and the plurality of mixing and stirring structures are arranged and are driven by the rotary centrifugal force for prolonging the use, the use radius of the stirring and mixing structure in the device can be effectively prolonged, the stirring contact area is increased, and the processing efficiency is improved.

2. The mixing device of the sand mixer, which can increase the mixing contact surface and evenly and automatically discharge materials, prolongs the stirring rod when an external motor drives the mixing and stirring structure in the device to rotate, and drives a push rod extending the bottom of the stirring rod to push and extend outwards, finally the push rod presses the pressing block, the pressing block moves downwards at the moment, the blocking block is driven to move downwards when moving downwards, finally the sand inside the device can be discharged evenly when the device is used, and the extended stirring rod I automatically resets under the action of the spring assembly when the external motor stops working, so that the pressing block automatically resets to drive the blocking block to move upwards to block the discharge hole after the push rod is separated from the pressing block, through being provided with these structures such as push rod, briquetting, sprue for this device can realize automatic even ejection of compact when outside motor work, and the briquetting can automatic re-setting drive sprue and plug up the discharge gate when the motor stop work.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an inside use state showing view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

fig. 5 is an enlarged view of the structure of fig. 1 at C according to the present invention.

In the figure: 1. a housing; 2. a feed inlet; 3. a discharge port; 4. a feed hopper; 5. briquetting; 6. blocking; 7. a rotating shaft; 8. a connecting plate; 9. fixing the rod; 10. a housing; 11. a stirring paddle; 12. a connecting rod; 13. a limiting block; 14. a spring assembly; 15. extending the first stirring rod; 16. a push rod; 17. extending the stirring rod II; 18. and extending the stirring rod III.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the sand mixer mixing device capable of increasing the mixing contact surface and uniformly and automatically discharging is as follows:

referring to fig. 1-5, the device includes a housing 1, a feeding port 2, a discharging port 3, a feeding hopper 4, a pressing block 5, a blocking block 6, a rotating shaft 7, a connecting plate 8, a fixing rod 9, a housing 10, a stirring paddle 11, a connecting rod 12, a limiting block 13, a spring assembly 14, an extended stirring rod one 15, a pushing rod 16, an extended stirring rod two 17, and an extended stirring rod three 18.

Wherein:

the bottom of the shell 1 is provided with two discharge ports 3, the two discharge ports 3 are respectively arranged at two sides of the bottom of the shell 1, so that sand grains can be discharged more quickly, a feed hopper 4 is fixedly arranged at the position of the feed inlet 2, a pressing block 5 is arranged inside the discharge port 3 in a sliding manner, the bottom of the pressing block 5 is fixedly connected with the inside of the discharge port 3 through a reset spring, so that the pressing block 5 can automatically reset to block the discharge port 3 after a push rod 16 is separated from the pressing block 5, two sides of the bottom of the pressing block 5 are fixedly connected with blocking blocks 6, a rotating shaft 7 is rotatably arranged at the middle position inside the shell 1, the top end of the rotating shaft 7 extends to the outside of the shell 1 and is fixedly connected with the output end of an external motor, mechanical transmission is realized, a connecting plate 8 is fixedly arranged at the bottom end of the rotating shaft 7, a fixing rod 9 is fixedly arranged at the edge of the bottom of the connecting plate 8, and a shell 10 is fixedly arranged at the upper end and the lower end of one side surface of the fixing rod 9, the stirring paddles 11 are fixedly arranged between the shells 10, two groups of stirring paddles 11 are arranged, each group is provided with two stirring paddles 11, the stirring contact surface is increased, the stirring and mixing efficiency is improved, the connecting rod 12 penetrating through the fixing rod 9 is arranged inside the shell 10, one end of the connecting rod 12 is fixedly provided with a limiting block 13, one side of the limiting block 13 is fixedly connected with a spring assembly 14, the other end of the spring assembly 14 is fixedly connected inside the fixing rod 9, the connecting rod 12 can automatically return after the motor stops, the other end of the connecting rod 12 is fixedly provided with an extension stirring rod I15, the bottom end of the surface of the extension stirring rod I15 is fixedly provided with a push rod 16, one end of the push rod 16 is provided with a curved surface push block which is mutually matched with the pressing block 5, the matching between the push rod 16 and the pressing block 5 is convenient, the extension stirring rod I15 is extended in the rotating process of the mixing and stirring structure which is driven by the external motor, and drive the push rod 16 of extension puddler 15 bottom and promote the extension to the outside, finally make push rod 16 press down briquetting 5, briquetting 5 downstream this moment, drive sprue 6 downstream simultaneously when downstream, finally make the inside sand grain of this device can evenly discharge in the device use, and outside motor stop work time extension puddler 15 automatic re-setting under spring assembly 14's effect, make push rod 16 break away from behind briquetting 5 automatic re-setting drive sprue 6 and upwards shift up and plug up discharge gate 3, through being provided with push rod 16, briquetting 5, these structures such as sprue 6, make this device can realize automatic even ejection of compact when outside motor work, and briquetting 5 can automatic re-setting drive sprue 6 and upwards shift up and plug up discharge gate 3 when motor stop work.

The second extension stirring rod 17 is fixedly installed on one side of the top end of the first extension stirring rod 15, the second extension stirring rod 17 is installed in an inclined mode, an included angle formed between the second extension stirring rod 17 and the first extension stirring rod 15 is twenty degrees, the third extension stirring rod 18 is installed on the surface of the second extension stirring rod 17 in a rotating mode, when the device is used, the device is fixedly installed in a needed use position, then the device is used normally, when the device is actually used, sand grains enter the device through the feed hopper 4, the external motor is started to start stirring and mixing the sand grains in the device, the fixing rod 9 and the stirring paddle 11 perform primary mixing on the sand grains in the device in the stirring and mixing process, corresponding friction force and shearing force are generated among the sand grains, therefore grinding, mixing, crushing and the like effects are generated, and the connecting rod 12 is extended under the high-speed inertial centrifugal force during rotation, so that the first extension stirring rod 15 and the second extension stirring rod 17 are used for a long time, and the extension stirring rod III 18 is thrown up under the action of centrifugal force and is parallel to the bottom of the device, so that the extension stirring rod I15, the extension stirring rod II 17 and the extension stirring rod III 18 can carry out further grinding, mixing and crushing treatment on the sand grains in the device, and the use radius of the internal stirring and mixing structure of the device can be effectively prolonged, the stirring contact area is increased, and the processing efficiency is improved.

Firstly, checking the use safety among all parts in the invention;

when the device is used, the device is fixedly arranged at a position where the device is needed to be used, then the device is normally used, the device firstly enters the inside of the device through the feed hopper 4 when the device is actually used, the external motor is started to start stirring and mixing sand grains in the inside, the fixed rod 9 and the stirring paddle 11 are used for primarily mixing the sand grains in the inside in the stirring and mixing process, corresponding friction force and shearing force are generated among the sand grains, so that the grinding, mixing and crushing effects are generated, the connecting rod 12 is prolonged under the action of high-speed inertial centrifugal force during rotation, the prolonged stirring rod I15 and the prolonged stirring rod II 17 are used for a prolonged time, the prolonged stirring rod III 18 is thrown and is parallel to the bottom of the device under the action of the centrifugal force, so that the prolonged stirring rod I15, the prolonged stirring rod II 17 and the prolonged stirring rod III 18 perform further grinding, mixing and crushing treatment on the sand grains in the inside, the use radius of the stirring and mixing structure in the device can be effectively prolonged, the stirring contact area is increased, and the processing efficiency is improved;

the first 15 extending stirring rod is extended when the external motor drives the mixing and stirring structure in the device to rotate, and drives the push rod 16 at the bottom of the first extension stirring rod 15 to push and extend outwards, finally the push rod 16 presses the pressing block 5, at the moment, the pressing block 5 moves downwards, when moving downwards, the blocking block 6 is driven to move downwards, finally the sand inside the device can be discharged evenly when the device is used, and the extended stirring rod one 15 is automatically reset under the action of the spring assembly 14 when the external motor stops working, so that the pressing block 5 automatically resets to drive the blocking block 6 to move upwards to block the discharge hole 3 after the push rod 16 is separated from the pressing block 5, through the arrangement of the push rod 16, the pressing block 5, the blocking block 6 and other structures, the device can realize automatic and uniform discharging when an external motor works, and when the motor stops working, the pressing block 5 can automatically reset to drive the blocking block 6 to move upwards to block the discharge hole 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sand mixer mixing arrangement of multiplicable mixed contact surface and even automatic discharge, includes casing (1), its characterized in that: the feed inlet (2) is arranged at the top of the shell (1), the discharge port (3) is arranged at the bottom of the shell (1), the feed inlet (2) is fixedly provided with a feed hopper (4), the inside of the discharge port (3) is slidably provided with a pressing block (5), two sides of the bottom of the pressing block (5) are fixedly connected with a blocking block (6), the middle position inside the shell (1) is rotatably provided with a rotating shaft (7), the bottom of the rotating shaft (7) is fixedly provided with a connecting plate (8), the edge of the bottom of the connecting plate (8) is fixedly provided with a fixing rod (9), the upper end and the lower end of one side surface of the fixing rod (9) are fixedly provided with a shell (10), a stirring paddle (11) is fixedly arranged between the shells (10), the connecting rod (12) penetrating through the fixing rod (9) is arranged inside the shell (10), the one end fixed mounting of connecting rod (12) has stopper (13), one side fixedly connected with spring assembly (14) of stopper (13), the other end fixed mounting of connecting rod (12) has extension puddler one (15), the bottom fixed mounting on extension puddler one (15) surface has push rod (16), one side fixed mounting on extension puddler one (15) top has extension puddler two (17), the surface rotation of extension puddler two (17) installs extension puddler three (18).

2. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: the number of the discharge holes (3) is two, and the two discharge holes (3) are respectively arranged on two sides of the bottom of the shell (1).

3. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: the bottom of the pressing block (5) is fixedly connected with the inside of the discharge hole (3) through a return spring.

4. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: the top end of the rotating shaft (7) extends to the outside of the shell (1) and is fixedly connected with the output end of an external motor.

5. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: the stirring paddles (11) are provided with two groups, and each group is provided with two stirring paddles (11).

6. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: the other end of the spring assembly (14) is fixedly connected inside the fixing rod (9).

7. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: one end of the push rod (16) is provided with a curved surface push block which is matched with the press block (5).

8. The mixer of claim 1 with increased mixing contact surface and uniform automatic discharge, wherein: and the second extension stirring rod (17) is obliquely installed and forms an included angle of twenty degrees with the first extension stirring rod (15).