CN217368092U - Material mixing device - Google Patents

Abstract

The utility model discloses a material mixing device, which comprises a double-cone mixing barrel and a main body frame, wherein the double-cone mixing barrel is provided with an inner cavity, and the upper end and the lower end of the double-cone mixing barrel are respectively provided with a barrel feed inlet and a barrel discharge outlet which are communicated with the inner cavity; the main body frame is provided with a lower operating platform and an upper operating platform, a rotating support is arranged on the upper surface of the lower operating platform, a first rotating shaft and a second rotating shaft are fixedly arranged on two sides of the double-cone mixing barrel respectively, and the first rotating shaft and the second rotating shaft are arranged on the rotating support through bearings respectively; be equipped with barrel drive arrangement on lower operation platform's the upper surface to the bipyramid mixes the barrel and is in operation platform and lower operation platform between, and the intermediate position of going up operation platform is equipped with the feed port, and the intermediate position of lower operation platform is equipped with the discharge opening. The material mixing device can uniformly mix the powder, so that the powder cannot be broken when being mixed, and the feeding, receiving and equipment maintenance are facilitated.

Description

Material mixing device

Technical Field

The utility model relates to an electronic components production facility, in particular to material mixing device.

Background

When the ceramic capacitor is manufactured, after powder is obtained through spray granulation, the water content of the powder generated in different time is different, so that the powder with different water content is required to be uniformly mixed by adopting a mixer. At present, a V-shaped mixer is generally adopted for mixing, the V-shaped mixer is formed by two communicated charging barrels into a V-shaped barrel, because the shape of the V-shaped mixer barrel is asymmetric relative to a rotating shaft, when the barrel rotates, when the connecting part of the two charging barrels of the barrel is positioned at the bottom, powder is converged at the bottom of the V-shaped barrel, and when the connecting part of the two charging barrels of the barrel is positioned at the top, the powder can be respectively arranged in the two charging barrels, so that the material in the barrel can alternately flow, and after the actions are repeated, the powder can be better and uniformly mixed.

However, the connecting part of the two charging barrels of the V-shaped mixer barrel can also form an inward convex edge angle in the inner cavity of the barrel, when powder is rotated and mixed, the powder is easy to collide with the edge angle, the powder is crushed after collision due to impact, and the crushed powder can influence the effect of subsequent tabletting forming.

Simultaneously, the feed inlet of mixer barrel sets up at the top usually, and the discharge gate sets up in the bottom usually, therefore the barrel that mixes the machine need liftoff certain height just can conveniently connect the material, and the barrel that mixes the machine this moment can be in higher position, and not only the feeding connects the material inconvenient, maintains the difficulty moreover.

Disclosure of Invention

The utility model aims to solve the technical problem that a material mixing device is provided, this kind of material mixing device enables the powder misce bene, makes the powder can not be broken when mixing to make things convenient for the feeding, connect the material and to the maintenance to equipment.

In order to solve the technical problems, the technical scheme is as follows:

a material mixing device is characterized in that: the device comprises a double-cone mixing barrel and a main body frame, wherein the double-cone mixing barrel is provided with an inner cavity, and the upper end and the lower end of the double-cone mixing barrel are respectively provided with a barrel feeding hole and a barrel discharging hole which are communicated with the inner cavity; the main body frame is provided with a lower operating platform and an upper operating platform, a plurality of support legs are arranged on the lower surface of the lower operating platform, a rotating support is arranged on the upper surface of the lower operating platform, a first rotating shaft and a second rotating shaft are fixedly arranged on two sides of the double-cone mixing barrel respectively, the first rotating shaft and the second rotating shaft are arranged along the horizontal direction, the axes of the first rotating shaft and the second rotating shaft are coincident, and the first rotating shaft and the second rotating shaft are arranged on the rotating support through bearings respectively; be equipped with the barrel drive arrangement that can drive bipyramid mixing barrel, first pivot and second pivot and rotate together on lower operation platform's the upper surface to bipyramid mixing barrel is in between operation platform and the lower operation platform, and the intermediate position of going up operation platform is equipped with the feed port corresponding with barrel feed inlet position, and the intermediate position of lower operation platform is equipped with the discharge opening corresponding with barrel discharge gate position.

Among the above-mentioned material mixing device, the stabilizer blade can directly be placed subaerial, has the interval between lower operation platform and the ground. When powder is mixed, feeding can be carried out on the upper operating platform, at the moment, a feeding hole of the cylinder body is opened, a discharging hole of the cylinder body is sealed, the powder which is sprayed and granulated is fed into an inner cavity of the double-cone mixing cylinder body from the feeding hole of the cylinder body through the feeding hole, and then the feeding hole of the cylinder body is sealed; then, a double-cone mixing cylinder is driven to rotate by a cylinder driving device, so that powder materials with different water contents are uniformly mixed; after the uniform mixing is completed, the discharge hole of the cylinder body is opened, the powder in the double-cone mixing cylinder body is sent out through the discharge hole of the cylinder body, and the material is received below the lower operation platform. This kind of material mixing device adopts the bipyramid to mix the barrel and mixes the powder, because the inner chamber of the bipyramid barrel that mixes does not have inside convex edges and corners, consequently when the powder mixes in the inner chamber along with the rotation of the bipyramid barrel that mixes, the powder can not appear breakage because of receiving the impact, can guarantee follow-up preforming fashioned effect. Meanwhile, the double-cone mixing cylinder is positioned between the upper operating platform and the lower operating platform, so that feeding and receiving are facilitated; when the double-cone mixing barrel or the barrel driving device needs to be maintained, an operator can directly operate on the lower operating platform or the upper operating platform.

In the preferred scheme, the double-cone mixing barrel comprises a cylindrical middle shell, an upper round platform-shaped shell with a small upper part and a lower round platform-shaped shell with a large lower part, the lower edge of the upper round platform-shaped shell is connected with the upper edge of the cylindrical middle shell (generally welded), the upper edge of the upper round platform-shaped shell is enclosed to form the barrel feed port, the upper edge of the lower round platform-shaped shell is connected with the lower edge of the cylindrical middle shell (generally welded), and the lower edge of the lower round platform-shaped shell is enclosed to form the barrel discharge port.

In a preferable scheme, the cylinder driving device comprises a driving motor and a speed reducer, a power input shaft of the speed reducer is in transmission connection with a power output shaft of the driving motor, and the first rotating shaft or the second rotating shaft is in coaxial connection with the power output shaft of the speed reducer through a coupler. When the double-cone mixing cylinder body is driven to rotate, the driving motor drives the first rotating shaft or the second rotating shaft to rotate through the speed reducer, so that the double-cone mixing cylinder body rotates around the first rotating shaft and the second rotating shaft.

In the preferred scheme, a discharge valve is arranged at the discharge port of the cylinder body; the discharge valve comprises a third rotating shaft, a first swing cylinder and a first sealing plate, the third rotating shaft is arranged along the horizontal direction, two ends of the third rotating shaft are respectively rotatably arranged on the side wall of the discharge port of the cylinder body, the first swing cylinder is arranged on the double-cone mixing cylinder body, an output shaft of the first swing cylinder is in transmission connection with the third rotating shaft, the shape and the size of the first sealing plate are matched with those of the discharge port of the cylinder body, and the first sealing plate is located at the discharge port of the cylinder body and is connected with the third rotating shaft. When powder is fed, a first sealing plate in the discharging valve seals the discharging port of the cylinder; during discharging, the first swing cylinder in the discharging valve drives the third rotating shaft to rotate correspondingly, so as to drive the first sealing plate to turn over for a certain angle (such as 90 degrees), and the powder in the double-cone mixing cylinder can flow out downwards from the discharge port of the cylinder.

In the preferred scheme, barrel feed inlet department is equipped with feed valve, and feed valve includes fourth pivot, second swing cylinder and second closing plate, and the fourth pivot sets up along the horizontal direction, and the both ends of fourth pivot are rotatable the installation respectively on the lateral wall of barrel feed inlet, and second swing cylinder installs on the mixed barrel of bipyramid, and the output shaft and the fourth pivot transmission of second swing cylinder are connected, the shape and the size and the barrel feed inlet phase-match of second closing plate, and the second closing plate is in barrel feed inlet department and is connected with the fourth pivot. When powder is fed, the second swing cylinder in the feeding valve drives the corresponding fourth rotating shaft to rotate, so that the second sealing plate is driven to turn over by a certain angle (such as 90 degrees), and the powder in the double-cone mixing cylinder can enter the inner cavity of the double-cone mixing cylinder from the feed port of the cylinder. A sealing cover plate can be arranged at the feed inlet of the barrel, and the sealing cover plate is opened during feeding to open the feed inlet of the barrel; and after the feeding is finished, the cover sealing plate is covered on the feeding hole of the barrel body and is fixed, so that the feeding hole of the barrel body is closed.

In the preferred scheme, the discharge hole is provided with a collecting hopper with a large upper part and a small lower part, and the lower end of the collecting hopper is exposed out of the lower surface of the lower operating platform through the discharge hole. Usually, the area of the upper opening of the collecting hopper is larger than that of the discharge port of the cylinder, and the collecting hopper can assist the powder to be discharged, so that the powder is prevented from scattering when being discharged.

In a preferable scheme, the material mixing device further comprises a material receiving vehicle. The receiving vehicle can move to the lower part of the discharge hole to receive the powder sent out from the double-cone mixing cylinder. Specifically, the support legs are arranged on two sides of the discharge hole, and a receiving vehicle channel is formed below the lower operating platform, so that the receiving vehicle can move to the position below the discharge hole through the receiving vehicle channel. The receiving vehicle can receive the powder under the discharge hole.

In the preferred scheme, the material mixing device further comprises a feeding device, the feeding device comprises a powder trough, a pumping pipe, a pumping pump and a feeding pipe, a feeding hole of the pumping pipe extends into the powder trough, a discharging hole of the pumping pipe is communicated with a feeding hole of the pumping pump, a discharging hole of the pumping pump is communicated with a feeding hole of the feeding pipe, and a discharging hole of the feeding pipe passes through a feeding hole of the upper operation platform and corresponds to the feeding hole of the barrel. When feeding, the material pumping pump pumps the powder in the powder trough through the material pumping pipe and sends the powder into the double-cone mixing cylinder through the feeding pipe. Generally, the outlet of the feeding tube can be fixed in the feeding hole.

In a preferable scheme, the lower operating platform is further provided with a lower stair extending downwards and an upper stair extending upwards to the upper operating platform, and the height of the lower stair is the same as that of the support legs.

In a further preferred scheme, the upper surface edges of the lower operating platform and the upper operating platform are respectively provided with an upward extending enclosure guardrail, and the two side edges of the lower stair and the upper stair are respectively provided with an upward extending stair railing. Set up down the stair and go up the stair can conveniently remove, enclose guardrail pole and stair railing and can guarantee safety.

The beneficial effects of the utility model reside in that: the material mixing device can uniformly mix the powder, so that the powder cannot be broken when being mixed, and the feeding, receiving and equipment maintenance are facilitated.

Drawings

FIG. 1 is a schematic structural view of a material mixing device in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a discharge valve or a feed valve in an embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

a material mixing device as shown in fig. 1-2, which comprises a double-cone mixing cylinder 1, a main body frame 2, a material receiving vehicle 3 and a feeding device 4, wherein the double-cone mixing cylinder 1 is provided with an inner cavity, and the upper end and the lower end of the double-cone mixing cylinder 1 are respectively provided with a cylinder feed inlet 101 and a cylinder discharge outlet 102 which are communicated with the inner cavity; the main body frame 2 is provided with a lower operating platform 201 and an upper operating platform 202, the lower surface of the lower operating platform 201 is provided with a plurality of support legs 2011, the upper surface of the lower operating platform 201 is provided with a rotating support 2012, two sides of the double-cone mixing cylinder 1 are respectively and fixedly provided with a first rotating shaft 103 and a second rotating shaft 104, the first rotating shaft 103 and the second rotating shaft 104 are both arranged along the horizontal direction, the axes of the first rotating shaft 103 and the second rotating shaft 104 are coincident, and the first rotating shaft 103 and the second rotating shaft 104 are respectively arranged on the rotating support 2012 through bearings; the upper surface of the lower operating platform 201 is provided with a barrel driving device 2013 which can drive the double-cone mixing barrel 1, the first rotating shaft 103 and the second rotating shaft 104 to rotate together, the double-cone mixing barrel 1 is positioned between the upper operating platform 202 and the lower operating platform 201, the middle position of the upper operating platform 202 is provided with a feeding hole 2021 corresponding to the position of the barrel feeding hole 101, and the middle position of the lower operating platform 201 is provided with a discharging hole 2014 corresponding to the position of the barrel discharging hole 102.

In the above material mixing apparatus, the support 2011 may be directly placed on the ground, and the lower operation platform 201 has a gap with the ground. When powder is mixed, the powder can be fed on the upper operating platform 202, at the moment, the cylinder feed port 101 is opened, the cylinder discharge port 102 is sealed, the sprayed and granulated powder is fed into the inner cavity of the double-cone mixing cylinder 1 from the cylinder feed port 101 through the feed hole 2021, and then the cylinder feed port 101 is sealed; then, the double-cone mixing barrel 1 is driven to rotate by the barrel driving device 2013, so that powder materials with different water contents are uniformly mixed; after the uniform mixing is completed, the material receiving trolley 3 can move to the lower part of the discharge hole 2014, the barrel discharge hole 102 is opened, the powder in the double-cone mixing barrel 1 is sent out from the discharge hole 2014 through the barrel discharge hole 102, and the material receiving trolley 3 receives the powder sent out from the double-cone mixing barrel 1. The support legs 2011 are arranged on two sides of the discharge hole 2014, and a receiving trolley channel is formed below the lower operating platform 201, so that the receiving trolley 3 can move to the lower side of the discharge hole 2014 through the receiving trolley channel. The receiving vehicle 3 can receive the powder below the discharge hole 2014. And the material is received under the lower operation platform 201. This kind of material mixing arrangement adopts bipyramid mixing barrel 1 to mix the powder, because the inner chamber of bipyramid mixing barrel 1 does not have inside convex edges and corners, consequently when the powder mixes in the inner chamber along with the rotation of bipyramid mixing barrel 1, the powder can not appear breakage because of receiving the impact, can guarantee follow-up fashioned effect of preforming. Meanwhile, the double-cone mixing barrel 1 is positioned between the upper operating platform 202 and the lower operating platform 201, so that feeding and receiving are facilitated; when the double-cone mixing barrel 1 or the barrel driving device 2013 needs to be maintained, an operator can directly operate on the lower operating platform 201 or the upper operating platform 202.

The cylinder driving device 2013 comprises a driving motor and a speed reducer, a power input shaft of the speed reducer is in transmission connection with a power output shaft of the driving motor, and the first rotating shaft 103 is coaxially connected with the power output shaft of the speed reducer through a coupler. When the double-cone mixing cylinder body 1 is driven to rotate, the driving motor drives the first rotating shaft 103 to rotate through the speed reducer, so that the double-cone mixing cylinder body 1 rotates around the first rotating shaft 103 and the second rotating shaft 104.

A discharge valve 1021 is arranged at the discharge port 102 of the cylinder body; the discharging valve 1021 comprises a third rotating shaft 10211, a first swing cylinder 10212 and a first sealing plate 10213, the third rotating shaft 10211 is arranged along the horizontal direction, two ends of the third rotating shaft 10211 are respectively rotatably arranged on the side wall of the cylinder discharging port 102, the first swing cylinder 10212 is arranged on the double-cone mixing cylinder 1, an output shaft of the first swing cylinder 10212 is in transmission connection with the third rotating shaft 10211, the shape and size of the first sealing plate 10213 are matched with the cylinder discharging port 102, and the first sealing plate 10213 is arranged at the cylinder discharging port 102 and is connected with the third rotating shaft 10211. When powder is fed, a first sealing plate 10213 in the discharge valve 1021 seals the discharge port 102 of the cylinder; during discharging, the first swing cylinder 10212 in the discharging valve 1021 drives the third rotating shaft 10211 to rotate, and drives the first sealing plate 10213 to turn over by a certain angle (for example, 90 °), so that the powder in the double-cone mixing cylinder 1 can flow out downwards from the cylinder discharging port 102.

Barrel feed inlet 101 department is equipped with feed valve 1011, feed valve 1011 includes fourth pivot 10111, second swing cylinder 10112 and second closing plate 10113, fourth pivot 10111 sets up along the horizontal direction, the both ends of fourth pivot 10111 are rotatable respectively and install on the lateral wall of barrel feed inlet 101, second swing cylinder 10112 is installed on bipyramid hybrid cylinder 1, the output shaft and the transmission of fourth pivot 10111 of second swing cylinder 10112 are connected, the shape and the size and the barrel feed inlet 101 phase-match of second closing plate 10113, second closing plate 10113 is in barrel feed inlet 101 department and is connected with fourth pivot 10111. When powder is fed, the second swing cylinder 10112 in the feeding valve 1011 drives the corresponding fourth rotating shaft 10111 to rotate, so as to drive the second sealing plate 10113 to overturn by a certain angle (such as 90 degrees), and the powder in the double-cone mixing cylinder 1 can enter the inner cavity of the double-cone mixing cylinder 1 through the cylinder feeding hole 101.

A collecting hopper 20141 with a large upper part and a small lower part is arranged at the discharging hole 2014, and the lower end of the collecting hopper 20141 is exposed out of the lower surface of the lower operation platform 201 through the discharging hole 2014. The area of the upper opening of the collecting hopper 20141 is larger than that of the barrel discharge port 102, and the collecting hopper 20141 is arranged to assist in discharging powder, so that the powder is prevented from scattering when being discharged.

The feeding device 4 comprises a powder trough 401, a pumping pipe 402, a pumping pump 403 and a feeding pipe 404, wherein a feeding hole of the pumping pipe 402 extends into the powder trough 401, a discharging hole of the pumping pipe 402 is communicated with a feeding hole of the pumping pump 403, a discharging hole of the pumping pump 403 is communicated with a feeding hole of the feeding pipe 404, and a discharging hole of the feeding pipe 404 corresponds to the position of the barrel feeding hole 101 through a feeding hole 2021 of the upper operation platform 202. During feeding, the powder in the powder trough 401 is pumped up by the pumping pump 403 through the pumping pipe 402 and is fed into the double-cone mixing cylinder 1 through the feeding pipe 404. Generally, the outlet of the feeding tube 404 can be optionally fixed in the feeding hole 2021.

The lower operation platform 201 is also provided with a lower stair 2015 extending downwards and an upper stair 2016 extending upwards to the upper operation platform 202, the height of the lower stair 2015 is the same as that of the support leg 2011, the upper surface edges of the lower operation platform 201 and the upper operation platform 202 are also respectively provided with a guard rail 5 extending upwards, and the two side edges of the lower stair 2015 and the upper stair 2016 are respectively provided with a stair rail 6 extending upwards. Set up down stair 2015 and go up stair 2016 and conveniently remove, enclose guardrail bar 5 and stair railing 6 and can guarantee safety.

The double-cone mixing barrel 1 comprises a cylindrical middle shell, an upper circular truncated cone-shaped shell with a small upper part and a large lower circular truncated cone-shaped shell with a large upper part and a small lower part, the lower edge of the upper circular truncated cone-shaped shell is connected with the upper edge of the cylindrical middle shell, the upper edge of the upper circular truncated cone-shaped shell is enclosed into a barrel feeding hole 101, the upper edge of the lower circular truncated cone-shaped shell is connected with the lower edge of the cylindrical middle shell, and the lower edge of the lower circular truncated cone-shaped shell is enclosed into a barrel discharging hole 102.

Claims (10)

1. A material mixing device is characterized in that: the device comprises a double-cone mixing barrel and a main body frame, wherein the double-cone mixing barrel is provided with an inner cavity, and the upper end and the lower end of the double-cone mixing barrel are respectively provided with a barrel feeding hole and a barrel discharging hole which are communicated with the inner cavity; the main body frame is provided with a lower operating platform and an upper operating platform, a plurality of support legs are arranged on the lower surface of the lower operating platform, a rotating support is arranged on the upper surface of the lower operating platform, a first rotating shaft and a second rotating shaft are fixedly arranged on two sides of the double-cone mixing barrel respectively, the first rotating shaft and the second rotating shaft are arranged along the horizontal direction, the axes of the first rotating shaft and the second rotating shaft are coincident, and the first rotating shaft and the second rotating shaft are arranged on the rotating support through bearings respectively; be equipped with the barrel drive arrangement that can drive bipyramid mixing barrel, first pivot and second pivot and rotate together on lower operation platform's the upper surface to bipyramid mixing barrel is in between operation platform and the lower operation platform, and the intermediate position of going up operation platform is equipped with the feed port corresponding with barrel feed inlet position, and the intermediate position of lower operation platform is equipped with the discharge opening corresponding with barrel discharge gate position.

2. A material mixing apparatus as defined in claim 1, wherein: the double-cone mixing barrel comprises a cylindrical middle shell, an upper round platform-shaped shell with a small upper part and a lower round platform-shaped shell with a large lower part, the lower edge of the upper round platform-shaped shell is connected with the upper edge of the cylindrical middle shell, the upper edge of the upper round platform-shaped shell is enclosed into the barrel feed port, the upper edge of the lower round platform-shaped shell is connected with the lower edge of the cylindrical middle shell, and the lower edge of the lower round platform-shaped shell is enclosed into the barrel discharge port.

3. A material mixing apparatus as defined in claim 1, wherein: the cylinder driving device comprises a driving motor and a speed reducer, a power input shaft of the speed reducer is in transmission connection with a power output shaft of the driving motor, and the first rotating shaft or the second rotating shaft is coaxially connected with the power output shaft of the speed reducer through a coupler.

4. A material mixing apparatus as defined in claim 1, wherein: a discharge valve is arranged at the discharge port of the cylinder body; the discharge valve comprises a third rotating shaft, a first swing cylinder and a first sealing plate, the third rotating shaft is arranged along the horizontal direction, two ends of the third rotating shaft are respectively rotatably arranged on the side wall of the discharge port of the cylinder body, the first swing cylinder is arranged on the double-cone mixing cylinder body, an output shaft of the first swing cylinder is in transmission connection with the third rotating shaft, the shape and the size of the first sealing plate are matched with those of the discharge port of the cylinder body, and the first sealing plate is located at the discharge port of the cylinder body and is connected with the third rotating shaft.

5. A material mixing apparatus as defined in claim 1, wherein: the feeding valve is arranged at the feeding port of the barrel and comprises a fourth rotating shaft, a second swing air cylinder and a second sealing plate, the fourth rotating shaft is arranged along the horizontal direction, two ends of the fourth rotating shaft are respectively rotatably arranged on the side wall of the feeding port of the barrel, the second swing air cylinder is arranged on the double-cone mixing barrel, an output shaft of the second swing air cylinder is in transmission connection with the fourth rotating shaft, the shape and the size of the second sealing plate are matched with those of the feeding port of the barrel, and the second sealing plate is located at the feeding port of the barrel and is connected with the fourth rotating shaft.

6. A material mixing apparatus as defined in claim 1, wherein: the lower end of the collecting hopper is exposed out of the lower surface of the lower operating platform through the discharge hole.

7. A material mixing apparatus as defined in claim 1, wherein: the material mixing device further comprises a material receiving vehicle.

8. A material mixing apparatus as defined in claim 1, wherein: the material mixing device further comprises a feeding device, the feeding device comprises a powder material groove, a pumping pipe, a pumping pump and a feeding pipe, a feeding hole of the pumping pipe extends into the powder material groove, a discharging hole of the pumping pipe is communicated with a feeding hole of the pumping pump, a discharging hole of the pumping pump is communicated with a feeding hole of the feeding pipe, and a discharging hole of the feeding pipe passes through a feeding hole of the upper operating platform and corresponds to the position of the feeding hole of the barrel.

9. A material mixing apparatus as defined in claim 1, wherein: the lower operation platform is also provided with a lower stair extending downwards and an upper stair extending upwards to the upper operation platform, and the height of the lower stair is the same as that of the support legs.

10. A material mixing apparatus as defined in claim 9, wherein: the upper surface border of going down operation platform and last operation platform still is equipped with the guardrail bar that upwards extends respectively, the both sides border of going down the stair and going up the stair is equipped with the stair railing that upwards extends respectively.

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