CN219525296U

CN219525296U - Powder discharging machine

Info

Publication number: CN219525296U
Application number: CN202223548744.6U
Authority: CN
Inventors: 贺锦辉
Original assignee: Foshan Zilian Intelligent Technology Co ltd
Current assignee: Foshan Zilian Intelligent Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-15
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a powder discharging machine, which relates to the technical field of textile dyeing and powder preparing machinery, and comprises a driving device arranged on a frame, a powder discharging tank clamped by the driving device, a powder receiving tank for containing powder and an electronic balance for weighing and reading the powder receiving tank; the driving device drives the powder outlet tank to outlet powder. The powder discharging machine is characterized in that the driving device drives the powder discharging tank to discharge powder to the powder receiving tank, the electronic balance is used for real-time weighing and reading of the powder in the powder receiving tank, and the powder discharging machine is material-saving, smooth in powder discharging, uniform in powder discharging and accurate in powder distribution.

Description

Powder discharging machine

Technical Field

The utility model relates to the technical field of textile dyeing and powder preparing machinery, in particular to a powder discharging machine.

Background

The powder preparation is a key link in the textile dyeing process, a proper amount of one or more kinds of powder is added according to the dyeing proportion, the main structure of the powder preparation machine is composed of a powder tank, a powder outlet, a bridge breaking device for promoting powder outlet, a powder receiving tank and an electronic balance, and in order to prevent the powder outlet from being blocked by the powder during powder outlet, the powder outlet is finished by adopting the following technical means:

in the first prior art, one of the bridge breaking devices for promoting powder discharge adopts a rotary screw rod to discharge powder, a driving mechanism drives the screw rod to rotate, powder is discharged from a thread gap of the screw rod to a powder discharge port, and a bridge breaking rod is arranged on the screw rod in a powder tank to realize powder bridge breaking.

In the second prior art, the bridge breaking device for promoting powder discharge also realizes powder bridge breaking by striking shaft type powder discharge through the upper and lower telescopic striking shaft to strike the powder outlet.

Whether the rotary screw rod is used for discharging powder or the impact shaft type is used for discharging powder, the rotary screw rod is used for discharging powder, and the powder is discharged from a thread gap of the screw rod uniformly, but is easy to block in the use process; if the shaft is bumped for discharging powder, temporary space and impact force formed during the shaft bumping and pumping can cause the powder to be stumbled and discharged unevenly.

Further, on the basis of the second prior art, there have been attempts in the market to provide the screw with both the capability of rotating and retracting up and down, which are driven independently by different driving devices, and which use a large number of driving components.

Therefore, how to provide a powder discharging machine which is material-saving, smooth in powder discharging and even in powder discharging needs to be solved.

Disclosure of Invention

The utility model aims to avoid the defects of the prior art and provide a powder discharging machine. The powder discharging machine is characterized in that the driving device drives the powder discharging tank to discharge powder to the powder receiving tank, the electronic balance is used for real-time weighing and reading of the powder in the powder receiving tank, and the powder discharging machine is material-saving, smooth in powder discharging, uniform in powder discharging and accurate in powder distribution.

The above object of the present utility model is achieved by the following technical means:

the utility model discloses a powder discharging machine, which comprises a driving device arranged on a frame, a powder discharging tank clamped by the driving device, a powder receiving tank for receiving powder and an electronic balance for weighing and reading the powder receiving tank; the driving device drives the powder outlet tank to outlet powder.

Further, the driving device comprises a machine table 71, a bearing assembly 72 and a bearing driving assembly 73, wherein the bearing assembly 72 and the bearing driving assembly 73 are arranged on the machine table 71, and the bearing driving assembly is used for driving the bearing to rotate; the bearing assembly 72 includes a bearing seat 721 fixed on the machine 71, and a bearing 722 is disposed in the bearing seat 721;

the bearing 722 is provided with a screw motor assembly 74 coaxial with the bearing, and the screw motor assembly 74 comprises a screw motor seat 74A fixed on the bearing 722 and a screw motor 74B arranged in the screw motor seat 74A;

a screw limit sleeve 741 is arranged on the screw motor seat 74A, a screw limit cover 742 is arranged in the screw limit sleeve 741, and the screw limit cover 742 is arranged on the screw motor assembly and is coaxial with the screw motor assembly;

the screw 75, the upper end of the screw 75 is a limited polygonal column 751, the screw 75 penetrates through the bearing 722, the screw motor 74B and is in threaded connection with the screw motor 74B, and the limited polygonal column 751 at the upper end of the screw 75 is connected with the screw limiting cover 742 in a matched manner and is limited by the screw limiting cover 742 to rotate relative to the screw motor assembly 74.

Preferably, the machine table 71 on one side of the bearing assembly 72 is provided with the bearing driving assembly 73;

the bearing driving assembly 73 includes a stepping motor 731, and the stepping motor 731 drives the bearing 722 to rotate through a driving wheel 732, a synchronous belt 733, and a driven wheel 734.

the bearing drive assembly 73 includes a linear cylinder or motor that drives the bearing 722 in rotation via a rack 735, driven wheel 734.

Further, a first bolt hole 752 is formed in the lower portion of the screw rod 75, a polygonal bolt 753 is arranged in the first bolt hole 752, and one end of the bolt 753 extends out of the screw rod 75.

Preferably, a compression spring 754 is arranged on the upper side of the first bolt hole 752, a bolt 753 is arranged below the compression spring 754, a ring 755 is arranged on the outer wall of the middle part of the bolt 753, and an inner edge 756 for limiting the ring 755 to move downwards further is arranged at the lower end part of the screw rod 75.

Further, the powder discharge tank comprises a hollow tank body 1, a sealing disc 3 and a powder discharge shaft 4 which penetrates through the sealing disc 3 and extends out of the tank body 1 upwards and can move or rotate in the vertical direction relative to the tank body 1 are arranged in the tank body 1, and the inner space of the tank body above the sealing disc 3 is used for containing powder;

the lower end of the powder outlet shaft 4 is provided with a powder outlet 41, and the wall of the powder outlet shaft 4 is provided with more than one powder guide opening 42.

Preferably, the tank body 1 is also provided with more than one fixing sleeve 5, and the fixing sleeve 5 is sleeved with a shaft tube 22; one section of the powder outlet shaft 4 is movably arranged in the shaft tube 22.

Preferably, the sealing disc 3 and the fixing sleeve 5 are respectively fixed in the tank body 1 through a plurality of fasteners.

Preferably, the central part of the fixed sleeve 5 is provided with a hollow column 51 extending downwards; the middle part of the sealing disc 3 is hollow;

the inner wall of the lower end of the hollow column 51 and the inner wall of the middle part of the sealing disc 3 are respectively provided with a sealing groove 6, the sealing grooves 6 are provided with sealing rings 61, the sealing rings 61 are sleeved with the powder outlet shaft 4, and the sealing rings 61 are used for separating powder to prevent powder leakage.

Preferably, the powder outlet 41 of the powder outlet shaft 4 is positioned in the tank 1; alternatively, the powder outlet 41 of the powder outlet shaft 4 extends out of the tank body 1, and the powder outlet tank is detachably provided with a tank seat.

Further, a second pin hole 44 is provided at the upper end of the powder outlet shaft 4.

Further, under the machine 71, the two sides of the screw 75 are provided with a clamping cylinder 81, a pushing connecting piece 82, a powder tank clamping hand 83 and a powder shaft clamping hand 84 from outside to inside.

Preferably, a flange 221 is provided at the upper end of the shaft tube 22, and the flange 221 is a powder can clamping part for clamping the powder can.

Preferably, the powder discharge tank further comprises a top cover 2 covered on the tank body 1, and the outer edge of the top cover 2 is a powder tank clamping part for clamping the powder discharge tank.

Preferably, a powder shaft clamping part 43 is arranged at the upper part of the powder outlet shaft 4 and is used for clamping the powder outlet shaft.

Preferably, the top cover 2 is fixedly provided with a flange plate 23 and a flange 24 arranged on the flange plate 23, and the flange 24 is sleeved with the powder outlet shaft 4.

Further, an X-axis capable of moving in the horizontal direction, a Y-axis capable of moving in the front-back direction and a Z-axis capable of moving in the up-down direction are arranged on the frame, the driving device is arranged on the Z-axis, the X-axis is used for pushing the driving device on the Z-axis to move left and right, and the Y-axis is used for pushing the X-axis to move back and forth.

Further, a powder tank storage seat is arranged on one side in front of the frame, and a plurality of powder discharge tanks which are arranged regularly are arranged on the powder tank storage seat.

The beneficial effects produced by adopting the technical scheme are that:

1. according to the utility model, the driving device drives the powder discharge tank to discharge powder and discharge the powder to the powder receiving tank, and the electronic balance performs real-time weighing reading on the powder in the powder receiving tank.

2. The bearing drive assembly is off and the lead screw motor assembly 74 is on, so the lead screw 75 is controlled by the lead screw motor assembly 74 as the lead screw 75 only extends through the bearing 722 and is not connected thereto. The screw 75 is limited by the limit cap 742 and does not rotate, and the screw motor 74B rotates to torsionally drive the screw 75 to extend upwards or downwards, and the screw 75 is not connected with the bearing 722 in the up-and-down extending process.

3. The bearing driving assembly is started, the screw motor assembly 74 is closed, the bearing driving assembly drives the bearing to rotate, and the bearing drives the screw motor seat 74A, the screw limit sleeve 741 and the screw limit cover 742 to rotate together, so that the screw 75 and the screw motor 74B are driven to rotate synchronously, and the screw 75 does not generate up-and-down telescopic actions in the rotating process.

4. According to the utility model, the screw rod limiting sleeve, the screw rod limiting cover, the bearing and the screw rod motor are coaxially arranged, the screw rod penetrates through the bearing and the screw rod motor and is in threaded connection with the screw rod motor, but is not connected with the bearing, the screw rod is limited by the screw rod limiting cover and does not rotate, and the screw rod motor rotates to torsionally drive the screw rod to be in no action relation with the bearing in the upward or downward expansion process; the bearing drives the screw motor seat, the screw limiting sleeve and the screw limiting cover to rotate together, so that the screw motor is driven to synchronously rotate without up-down telescopic action.

5. The bearing driving assembly is started, the screw motor assembly 74 is closed, the stepping motor 731 drives the bearing 722 to rotate through the driving wheel 732, the synchronous belt 733 and the driven wheel 734, and the bearing 722 drives the screw motor seat 74A, the screw limit sleeve 741 and the screw limit cover 742 to rotate together, so that the screw 75 and the screw motor 74B are driven to rotate synchronously.

6. The bearing driving assembly is started, the screw motor assembly 74 is closed, the linear cylinder or the linear motor drives the bearing 722 to rotate through the rack 735 and the driven wheel 734, and the bearing 722 drives the screw motor seat 74A, the screw limit sleeve 741 and the screw limit cover 742 to rotate together, so that the screw 75 and the screw motor 74B are driven to rotate synchronously.

7. The other end of the bolt 753 is used for being inserted into a powder outlet shaft, the powder outlet shaft is driven to synchronously rotate or stretch up and down, and the bolt 753 is matched with the compression spring 754, so that the fit type alignment and the insertion are realized when the powder outlet shaft is inserted.

8. When the powder discharging shaft 4 is clamped/lifted upwards, the powder guiding port 42 is lifted from the sealing disc 3 in a straight direction until the powder guiding port is contacted with the powder on the sealing disc 3, and the powder is discharged from the powder guiding port 42 along the powder discharging port 41; the contact surface of the powder guiding opening and the powder is controlled to control the powder outlet flow, and the larger the powder guiding opening is, the more the powder guiding opening is, the larger the powder outlet flow is.

9. The utility model has various powder bridge breaking capacities, so that the powder is smooth:

the first bridge breaking action breaks the state that the powder is completely extruded to the powder guiding opening in the process that the powder outlet shaft is clamped, and the powder guiding opening forms the first bridge breaking action to the powder extruded to the powder outlet shaft;

in the second type of bridge breaking action, in the process that the powder guiding port contacts with the powder to discharge the powder, under the condition that the tank body and the powder discharging shaft are static, the powder gradually blocks the powder guiding port, and the second type of bridge breaking action is formed by regularly stretching the powder discharging shaft up and down;

and the third bridge breaking action is formed by rotating the powder outlet shaft regularly or irregularly in the process that the powder outlet shaft is clamped and the powder guide port contacts the powder.

10. When the powder receiving tank is arranged, the outer diameter of the powder receiving tank can be smaller than the inner diameter of the powder receiving tank or larger than the outer diameter of the powder receiving tank, the powder receiving tank is sleeved into the powder receiving tank to discharge powder, the powder receiving tank or the tank wall of the powder receiving tank blocks the side wind blowing to the powder receiving tank, and the discharged powder is little interfered by the wind and overflows outside the powder receiving tank, so that the powder receiving tank is environment-friendly and sanitary and is not wasted.

When the powder discharge tank is idle, the powder discharge tank is placed on the tank seat for standby, and when the powder discharge tank is used, the powder discharge tank is separated from the tank seat. When the powder outlet tank is combined with the powder receiving tank for use, powder is discharged from the powder outlet port to the powder receiving tank, and light powder can overflow the powder receiving tank along with wind generated by flowing people or natural wind or fans and the like in a workshop.

11. The embodiment is also suitable for powder distribution of multiple powder tanks, the driving device is aligned to the target powder discharge tank by controlling the X axis, the Y axis and the Z axis, and then the driving device is controlled to clamp the target powder discharge tank to the upper part of the powder receiving tank to wait for further powder discharge.

Drawings

FIG. 1 is a schematic diagram of a powder discharging machine according to an embodiment;

FIG. 2 is a schematic view of a driving device according to an embodiment;

FIG. 3 is a schematic side view of the powder discharge machine;

FIG. 4 is a schematic diagram showing the left and right movement of the powder discharging machine on the Z axis driven by the X axis;

FIG. 5 is a schematic view of a further drive arrangement;

FIG. 6 is a schematic diagram showing the mating connection of a limit polygonal column and a screw limit cover according to the embodiment;

FIG. 7 is a schematic view of a screw rod connected with a powder outlet shaft through a bolt;

FIG. 8 is a schematic view of another bearing drive assembly according to an embodiment;

FIG. 9 is a schematic view of the structure of the powder discharge tank according to the embodiment;

FIG. 10 is an exploded view of the powder discharge tank according to the embodiment;

FIG. 11 is a schematic view showing a powder outlet of the powder outlet shaft positioned inside a tank body according to the embodiment;

FIG. 12 is a schematic view showing a powder outlet of a powder outlet shaft extending out of a tank body according to the embodiment;

fig. 13 is a partial enlarged view of fig. 11 or 12.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

1. a tank body; 11. a tank seat; 12. a powder tank storage seat; 2. a top cover; 22. a shaft tube; 221. a flange; 23. a flange plate; 24. a flange; 3. a sealing plate; 4. a powder outlet shaft; 41. a powder outlet; 42. a powder guiding port; 43. a powder shaft clamping part; 5. a fixed sleeve; 51. hollow column; 6. sealing grooves; 61. a seal ring;

7. a driving device; 71. a machine table; 72. a bearing assembly; 721 bearing blocks; 722. a bearing; 73. a bearing drive assembly; 731. a stepping motor; 732. a driving wheel; 733. a synchronous belt; 734. driven wheel; 735. a rack; 74. a screw motor assembly; 74A, a screw motor seat; 74B, a screw motor; 741. a screw rod limit sleeve; 742. a screw limit cover; 75. a screw rod; 751. limiting the polygonal column; 752 first bayonet holes; 753. a plug pin; 754. a compression spring; 755. a loop; 756. an inner edge;

81. a clamping cylinder; 82. pushing the connecting piece; 83. a powder tank clamping hand; 84. the powder shaft is clamped by a hand;

91. a powder receiving tank; 92. an electronic balance.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Embodiment 1, as shown in fig. 1-4, a powder discharging machine comprises a driving device arranged on a frame, a powder discharging tank capable of being clamped by the driving device, a powder receiving tank for receiving powder and an electronic balance for weighing and reading the powder receiving tank; the driving device drives the powder outlet tank to outlet powder.

According to the utility model, the driving device drives the powder discharge tank to discharge powder and discharge the powder to the powder receiving tank, and the electronic balance performs real-time weighing reading on the powder in the powder receiving tank.

Embodiment 2, on the basis of embodiment 1, as shown in fig. 5-8, the driving device comprises a machine table 71, a bearing assembly 72 and a bearing driving assembly 73, wherein the bearing assembly 72 and the bearing driving assembly 73 are arranged on the machine table 71, and the bearing driving assembly is used for driving a bearing to rotate; the bearing assembly 72 includes a bearing seat 721 fixed on the machine 71, and a bearing 722 is disposed in the bearing seat 721;

The screw limit sleeve 741 and the screw limit cover 742 are arranged to limit the screw 75 to rotate relative to the screw motor assembly, so that the screw can stretch up and down at the limited distance of the limit cover 742; the screw rod limit sleeve 741 is arranged on the screw rod motor seat 74A, the screw rod motor seat 74A is fixed on the bearing 722, and the bearing 722 rotates to drive the screw rod motor seat 74A, the screw rod limit sleeve 741 and the screw rod limit cover 742 to rotate together, so that the screw rod 75 is driven to rotate.

The screw rod stretches up and down: the bearing drive assembly is off and the lead screw motor assembly 74 is on, so the lead screw 75 is controlled by the lead screw motor assembly 74 as the lead screw 75 only extends through the bearing 722 and is not connected thereto. The screw 75 is limited by the limit cap 742 and does not rotate, and the screw motor 74B rotates to torsionally drive the screw 75 to extend upwards or downwards, and the screw 75 is not connected with the bearing 722 in the up-and-down extending process.

And (3) rotating a screw rod: the bearing driving assembly is started, the screw motor assembly 74 is closed, the bearing driving assembly drives the bearing to rotate, and the bearing drives the screw motor seat 74A, the screw limit sleeve 741 and the screw limit cover 742 to rotate together, so that the screw 75 and the screw motor 74B are driven to rotate synchronously, and the screw 75 does not generate up-and-down telescopic actions in the rotating process.

According to the utility model, the screw rod limiting sleeve, the screw rod limiting cover, the bearing and the screw rod motor are coaxially arranged, the screw rod penetrates through the bearing and the screw rod motor and is in threaded connection with the screw rod motor, but is not connected with the bearing, the screw rod is limited by the screw rod limiting cover and does not rotate, and the screw rod motor rotates to torsionally drive the screw rod to be in no action relation with the bearing in the upward or downward expansion process; the bearing drives the screw motor seat, the screw limiting sleeve and the screw limiting cover to rotate together, so that the screw motor is driven to synchronously rotate without up-down telescopic action.

Embodiment 3, on the basis of embodiment 2, shows one of the bearing driving assemblies, as shown in fig. 5, the bearing driving assembly 73 is provided on the machine table 71 on one side of the bearing assembly 72;

One specific operating principle of driving the screw rod to rotate is as follows:

the bearing driving assembly is started, the screw motor assembly 74 is closed, the stepping motor 731 drives the bearing 722 to rotate through the driving wheel 732, the synchronous belt 733 and the driven wheel 734, and the bearing 722 drives the screw motor seat 74A, the screw limit sleeve 741 and the screw limit cover 742 to rotate together, so that the screw 75 and the screw motor 74B are driven to rotate synchronously.

Embodiment 4, on the basis of embodiment 2, shows another bearing driving assembly, as shown in fig. 8, the bearing driving assembly 73 is disposed on the machine table 71 on one side of the bearing assembly 72;

Another specific working principle for driving the screw rod to rotate is as follows:

the bearing driving assembly is started, the screw motor assembly 74 is closed, the linear cylinder or the linear motor drives the bearing 722 to rotate through the rack 735 and the driven wheel 734, and the bearing 722 drives the screw motor seat 74A, the screw limit sleeve 741 and the screw limit cover 742 to rotate together, so that the screw 75 and the screw motor 74B are driven to rotate synchronously.

In embodiment 5, as shown in fig. 7, a first pin hole 752 is provided at the lower part of the screw 75, a polygonal pin 753 is provided in the first pin hole 752, and one end of the pin 753 extends out of the screw 75. One end of the bolt 753 is used for being inserted with a powder outlet shaft, and when the screw rod rotates, the powder outlet shaft synchronously rotates.

In example 6, on the basis of example 5, as shown in fig. 7, a compression spring 754 is disposed on the upper side of the first pin hole 752, a pin 753 is disposed under the compression spring 754, a ring 755 is disposed on the outer wall of the middle portion of the pin 753, and an inner edge 756 for limiting the further downward movement of the ring 755 is disposed on the lower end portion of the screw 75. The other end of the bolt 753 is used for being inserted into a powder outlet shaft, the powder outlet shaft is driven to synchronously rotate or stretch up and down, and the bolt 753 is matched with the compression spring 754, so that the fit type alignment and the insertion are realized when the powder outlet shaft is inserted.

Embodiment 7, as shown in fig. 9-13, on the basis of embodiment 1, the powder discharge tank comprises a hollow tank body 1, wherein a sealing disc 3 and a powder discharge shaft 4 which penetrates through the sealing disc 3 and extends out of the tank body 1 upwards and can move or rotate in a vertical direction relative to the tank body 1 are arranged in the tank body 1, and the inner space of the tank body above the sealing disc 3 is used for containing powder;

When the powder discharging shaft 4 is clamped/lifted upwards, the powder guiding port 42 is lifted from the sealing disc 3 in a straight direction until the powder guiding port is contacted with the powder on the sealing disc 3, and the powder is discharged from the powder guiding port 42 along the powder discharging port 41; the contact surface of the powder guiding opening and the powder is controlled to control the powder outlet flow, and the larger the powder guiding opening is, the more the powder guiding opening is, the larger the powder outlet flow is.

In the embodiment, the following technical means are adopted to break the bridge of the powder, so that the powder is smoothly obtained:

In embodiment 8, on the basis of embodiment 7, as shown in fig. 10-13, more than one fixing sleeve 5 is further provided in the tank 1, and the fixing sleeve 5 is sleeved with a shaft tube 22; one section of the powder outlet shaft 4 is movably arranged in the shaft tube 22.

In example 9, on the basis of example 8, as shown in fig. 10, the sealing disc 3 and the fixing sleeve 5 are respectively fixed in the tank 1 by a plurality of fasteners.

In the embodiment 10, on the basis of the embodiment 9, as shown in fig. 10 to 13, a hollow column 51 extending downwards is arranged at the central part of the fixed sleeve 5; the middle part of the sealing disc 3 is hollow;

In embodiment 11, on the basis of embodiment 7, as shown in fig. 11, the powder outlet 41 of the powder outlet shaft 4 is located inside the tank 1; when the powder receiving tank is arranged, the outer diameter of the powder receiving tank can be smaller than the inner diameter of the powder receiving tank or larger than the outer diameter of the powder receiving tank, the powder receiving tank is sleeved into the powder receiving tank to discharge powder, the powder receiving tank or the tank wall of the powder receiving tank blocks the side wind blowing to the powder receiving tank, and the discharged powder is little interfered by the wind and overflows outside the powder receiving tank, so that the powder receiving tank is environment-friendly and sanitary and is not wasted.

Alternatively, as shown in fig. 12, the powder outlet 41 of the powder outlet shaft 4 extends out of the tank 1, and the powder outlet tank is detachably provided with a tank seat; when the powder discharge tank is idle, the powder discharge tank is placed on the tank seat for standby, and when the powder discharge tank is used, the powder discharge tank is separated from the tank seat. When the powder outlet tank is combined with the powder receiving tank for use, powder is discharged from the powder outlet port to the powder receiving tank, and light powder can overflow the powder receiving tank along with wind generated by flowing people or natural wind or fans and the like in a workshop.

In embodiment 12, on the basis of embodiment 7, as shown in fig. 9, a second pin hole 44 is provided at the upper end of the powder outlet shaft 4, and the second pin hole 44 is used for inserting a pin, and the powder outlet shaft rotates along with the rotation of the pin.

Embodiment 13 on the basis of any one of embodiments 2 to 6, as shown in fig. 2, under the machine table 71, two sides of the screw rod 75 are provided with a clamping cylinder 81, a pushing connecting piece 82, a powder tank clamping hand 83 and a powder shaft clamping hand 84 from outside to inside. One end of the powder shaft clamping hand 84 is arranged on the screw rod through a bearing, and the outer side of the other end is connected with the powder tank clamping hand 83. When the clamping cylinder 81 lifts up the pushing link 82, the powder tank holding hand 83 is further pushed, and at the same time, the powder tank holding hand 83 pushes the powder shaft holding hand 84; the clamping cylinder 81 releases the pushing link 82 downward, and the powder container holding hand 83 and the powder shaft holding hand 84 are released.

In embodiment 14, on the basis of embodiment 13, as shown in fig. 9-12, one embodiment of clamping the powder discharge can is shown, a flange 221 is provided at the upper end of the shaft tube 22, and the flange 221 is a powder discharge can clamping portion for clamping the powder discharge can. The clamping cylinder 81 lifts the pushing link 82 upward to further push the powder container clamping hand 83 to clamp the flange 221 of the upper end portion of the shaft tube 22; the clamping cylinder 81 releases the pushing link 82 downward, and the powder container clamping hand 83 and the powder shaft clamping hand 84 release the clamping.

In embodiment 15, on the basis of embodiment 13, as shown in fig. 9, another embodiment of clamping the powder discharge can is shown, the powder discharge can further includes a top cover 2 covered on the can body 1, and the outer edge of the top cover 2 is a powder can clamping part for clamping the powder discharge can. The clamping cylinder 81 lifts the pushing connecting piece 82 upwards to further push the powder tank clamping hand 83 to clamp the outer edge of the top cover 2; the clamping cylinder 81 releases the pushing link 82 downward, and the powder container clamping hand 83 and the powder shaft clamping hand 84 release the clamping.

In embodiment 16, as shown in fig. 9, in addition to embodiment 13, a powder shaft clamping part 43 is provided at the upper part of the powder discharging shaft 4 for clamping the powder discharging shaft. While pushing the powder can holding hand 83 to hold the powder can, the powder can holding hand 83 pushes the powder shaft holding hand 84 to hold the powder shaft holding part 43 at the upper part of the powder discharging shaft 4, and after the powder discharging shaft is inserted into the screw rod (for example, the inserted pin assembly is used as an inserting medium), the powder discharging shaft rotates along with the rotation of the screw rod. After the screw rod is inserted with the powder discharging shaft and the powder discharging shaft clamping hand 84 clamps the powder discharging shaft 4, the powder discharging shaft stretches and contracts along with the up-and-down stretching of the screw rod.

In example 17, as shown in fig. 10, on the basis of example 15, the top cover 2 is fixedly provided with a flange plate 23 and a flange 24 provided on the flange plate 23, and the flange 24 is sleeved with the powder outlet shaft 4.

Embodiment 18 is based on any one of embodiments 13 to 17, as shown in fig. 4, an X axis capable of moving in a horizontal direction, a Y axis capable of moving in a front-rear direction, and a Z axis capable of moving in an up-down direction are provided on the frame, the driving device is provided on the Z axis, the X axis is used for pushing the driving device on the Z axis to move left and right, and the Y axis is used for pushing the X axis to move back and forth.

In embodiment 19, on the basis of embodiment 18, a powder can storage seat is provided on one side of the front of the frame, and the powder can storage seat is provided with a plurality of powder discharge cans arranged in a regular manner. The embodiment is suitable for powder distribution of multiple powder tanks, the driving device is aligned to the target powder discharge tank by controlling the X axis, the Y axis and the Z axis, and then the driving device is controlled to clamp the target powder discharge tank to the upper part of the powder receiving tank to wait for further powder discharge.

Claims

1. The powder discharging machine is characterized by comprising a driving device (7) arranged on a frame, a powder discharging tank clamped by the driving device, a powder receiving tank (91) for receiving powder and an electronic balance (92) for weighing and reading the powder receiving tank; the driving device is used for driving the powder discharging tank to discharge powder.

2. The powder discharge machine according to claim 1, wherein the driving device comprises a machine table (71), a bearing assembly (72) and a bearing driving assembly (73) which are arranged on the machine table (71), and the bearing driving assembly is used for driving the bearing to rotate; the bearing assembly (72) comprises a bearing seat (721) fixed on the machine table (71), and a bearing (722) is arranged in the bearing seat (721);

the bearing (722) is provided with a screw motor assembly (74) coaxial with the bearing, and the screw motor assembly (74) comprises a screw motor seat (74A) fixed on the bearing (722) and a screw motor (74B) arranged in the screw motor seat (74A);

a screw limit sleeve (741) is arranged on the screw motor seat (74A), a screw limit cover (742) is arranged in the screw limit sleeve (741), and the screw limit cover (742) is arranged on the screw motor assembly and is coaxial with the screw motor assembly;

the upper end of the screw rod (75) is a limit polygonal column (751), the screw rod (75) penetrates through the bearing (722), the screw rod motor (74B) and is in threaded connection with the screw rod motor (74B), and the limit polygonal column (751) at the upper end of the screw rod is connected with the screw rod limit cover (742) in a matched mode and is limited by the screw rod limit cover (742) to rotate relative to the screw rod motor assembly (74).

3. A powder outlet machine according to claim 2, characterized in that the bearing driving assembly (73) is arranged on the machine table (71) at one side of the bearing assembly (72);

the bearing driving assembly (73) comprises a stepping motor (731), and the stepping motor (731) drives the bearing (722) to rotate through a driving wheel (732), a synchronous belt (733) and a driven wheel (734).

4. A powder outlet machine according to claim 2, characterized in that the bearing driving assembly (73) is arranged on the machine table (71) at one side of the bearing assembly (72);

the bearing driving assembly (73) comprises a linear air cylinder or a linear motor, and the linear air cylinder or the linear motor drives the bearing (722) to rotate through a rack (735) and a driven wheel (734).

5. The powder discharging machine according to claim 2, characterized in that a first bolt hole (752) is arranged at the lower part of the screw rod (75), a polygonal bolt (753) is arranged in the first bolt hole (752), and one end of the bolt (753) extends out of the screw rod (75).

6. The powder discharging machine according to claim 5, wherein a compression spring (754) is arranged on the upper side of the first bolt hole (752), a bolt (753) is arranged below the compression spring (754), a ring (755) is arranged on the outer wall of the middle of the bolt (753), and an inner edge (756) for limiting the ring (755) to move downwards further is arranged at the lower end of the screw rod (75).

7. The powder discharging machine according to claim 1, wherein the powder discharging tank comprises a hollow tank body (1), a sealing disc (3) and a powder discharging shaft (4) which penetrates through the sealing disc (3) and extends out of the tank body (1) upwards and can move or rotate in a straight direction relative to the tank body (1) are arranged in the tank body (1), and the inner space of the tank body above the sealing disc (3) is used for containing powder;

the lower end of the powder outlet shaft (4) is provided with a powder outlet (41), and the wall of the powder outlet shaft (4) is provided with more than one powder guide opening (42).

8. The powder discharging machine according to claim 7, characterized in that more than one fixing sleeve (5) is arranged in the tank body (1), and the fixing sleeve (5) is sleeved with a shaft tube (22); one section of the powder outlet shaft (4) is movably arranged in the shaft tube (22).

9. The powder outlet machine according to claim 8, characterized in that the sealing disc (3) and the fixing sleeve (5) are fixed in the tank (1) by means of a number of fasteners, respectively.

10. A powder outlet machine according to claim 9, characterized in that the central part of the fixed sleeve (5) is provided with a hollow column (51) extending downwards; the middle part of the sealing disc (3) is hollow;

the inner wall of the lower end of the hollow column (51) and the inner wall of the middle part of the sealing disc (3) are both provided with sealing grooves (6), sealing rings (61) are arranged on the sealing grooves (6), the sealing rings (61) are sleeved with the powder outlet shaft (4), and the sealing rings (61) are used for separating powder to prevent powder leakage.

11. The powder outlet machine according to claim 7, characterized in that the powder outlet (41) of the powder outlet shaft (4) is located inside the tank (1); or the powder outlet (41) of the powder outlet shaft (4) extends out of the tank body (1) and is arranged outside the tank body, and the powder outlet tank is detachably provided with a tank seat.

12. The powder discharging machine according to claim 7, wherein the upper end of the powder discharging shaft (4) is provided with a second bolt hole (44).

13. The powder discharging machine according to any one of claims 2 to 6, wherein a clamping cylinder (81), a pushing connecting piece (82), a powder tank clamping hand (83) and a powder shaft clamping hand (84) are arranged on two sides of the screw rod (75) from outside to inside under the machine table (71).

14. The powder discharge machine according to claim 8, wherein a flange (221) is provided at an upper end portion of the shaft tube (22), and the flange (221) is a powder can holding portion for holding the powder can.

15. The powder discharge machine according to claim 13, wherein the powder discharge tank further comprises a top cover (2) covering the tank body (1), and the outer edge of the top cover (2) is a powder tank clamping part for clamping the powder discharge tank.

16. A powder discharge machine according to claim 7, characterized in that the upper part of the powder discharge shaft (4) is provided with a powder shaft clamping part (43) for clamping the powder discharge shaft.

17. The powder discharge machine according to claim 15, wherein the top cover (2) is fixedly provided with a flange plate (23) and a flange (24) arranged on the flange plate (23).

18. The powder discharging machine according to claim 1, wherein the frame is provided with an X-axis movable in a horizontal direction, a Y-axis movable in a front-rear direction, and a Z-axis movable in an up-down direction, the driving device is arranged on the Z-axis, the X-axis is used for pushing the driving device on the Z-axis to move left and right, and the Y-axis is used for pushing the X-axis to move back and forth.

19. The powder discharge machine of claim 18, wherein a powder can storage seat is provided on a front side of the frame, and the powder can storage seat is provided with a plurality of powder discharge cans arranged in a regular manner.