Material supply stirring device based on additive manufacturing technology

Abstract

The utility model belongs to the technical field of additive manufacturing, and particularly relates to a material supply stirring device based on an additive manufacturing technology, which comprises a mixing cylinder, and the bottom end of the mixing cylinder is fixedly connected with the upper end of a blanking pipe. The mixing mechanism is arranged in the mixing cylinder, so that when the device is used for feeding materials into additive manufacturing equipment, a user can respectively add various metal powder raw materials into a plurality of storage cylinders, and the various raw materials fall into a conical disc when a blanking roller rotates; at the moment, the various raw materials are preliminarily mixed in the process of sliding down in the conical disc, then fall into the bottom of the mixing barrel through the conical disc, and are mixed again through rotation of the stirring rod, so that the mixing effect of the raw materials is improved by utilizing a manner of dispersing and gradually feeding through the mixing mechanism and a double-mixing process; furthermore, raw materials are mixed while the device is used for feeding, so that the overall production efficiency is effectively improved, and the workload of related personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to additive manufacturing technical field, concretely relates to a material supply stirring device based on additive manufacturing technology. BACKGROUND

[0002] Additive manufacturing, commonly known as 3D printing, is a manufacturing technology that integrates computer-aided design, material processing and forming technology, and uses digital model files as the basis to manufacture solid objects by software and numerical control system, which uses special metal materials, non-metal materials and medical biological materials to stack layer by layer in the form of extrusion, sintering, melting, light curing and spraying. The raw materials for additive manufacturing of metal products are usually powder materials and fused filament materials. The additive manufacturing process using powder materials as raw materials usually includes laser selective melting technology, electron beam selective melting technology and laser stereolithography technology. The above processing methods all use the processing principle of melting and re-solidifying the powder raw materials. Therefore, it is necessary to supply additional powder materials to the powder storage bin of the manufacturing equipment during the processing process.

[0003] The existing material supply equipment directly adds powder materials to the material bin of the manufacturing equipment and does not have the function of stirring the materials. In actual processing, some alloy materials need to be processed using raw materials made by mixing multiple metal powders. This requires the use of additional mixing equipment to mix and stir the multiple metal powders before adding them using the supply equipment. This results in the need to transfer the powder raw materials between multiple devices multiple times, increasing the loading steps and affecting the overall production efficiency. In addition, the powder residue and waste during multiple transfers increase the manufacturing cost. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a material supply stirring device based on additive manufacturing technology, which can mix and stir multiple metal powders while loading, without the need for operators to transfer the raw materials multiple times, effectively reducing the workload of operators and improving work efficiency.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A material supply stirring device based on additive manufacturing technology, comprising a mixing cylinder, the bottom end of the mixing cylinder is fixedly connected with the upper end of a discharge pipe, the bottom end of the discharge pipe is fixedly connected with the bottom end of the right side of a conveying box and is in communication, the right side of the conveying box is also fixedly connected with the left ends of two fixed plates, the right ends of the two fixed plates are both fixedly connected with the outer side of the mixing cylinder, a mixing mechanism and a conical disc are arranged in the mixing cylinder, and the outer side of the conical disc is fixedly connected with the inner side of the mixing cylinder.

[0007] The inside of the conveying box is sleeved with a spiral conveying wheel, and the two ends of the spiral conveying wheel are rotatably connected with the upper and lower sides of the conveying box through sealing bearings.

[0008] The mixing mechanism comprises four storage cylinders, the bottom end of each storage cylinder is fixedly connected with the upper end of a discharging frame, and the four discharging frames are arranged on the upper side of the conical disc.

[0009] The inside of each discharging frame is sleeved with a discharging roller, the outer side of each discharging roller is provided with a plurality of storage grooves, and part of the plurality of discharging rollers are fixedly connected with a plurality of connecting shafts I.

[0010] The plurality of connecting shafts I are rotatably connected with the side surfaces of the plurality of discharging frames through sealing bearings, and the opposite ends of the two connecting shafts I in the middle are fixedly connected.

[0011] The three connecting shafts I on the left and right sides and in the middle are rotatably connected with the wall of the mixing cylinder through sealing bearings, and the front ends of the three connecting shafts I are fixedly connected with a chain wheel I.

[0012] The three chain wheels I are drivingly connected with a chain wheel II through chains, the chain wheel II is fixedly arranged on the front side of a connecting shaft II, the front end of the connecting shaft II is fixedly connected with an output shaft of a motor I, and the motor I is fixedly connected with the outer surface of the mixing cylinder through a mounting seat.

[0013] The connecting shaft II is rotatably connected with the wall of the mixing cylinder and the wall of a sealing box through sealing bearings, and the sealing box is arranged below the conical disc.

[0014] The left and right side surfaces of the sealing box are fixedly connected with the opposite ends of two supporting plates, the opposite ends of the two supporting plates are fixedly connected with the inner wall of the mixing cylinder, and the rear end of the connecting shaft II is fixedly connected with a bevel gear II.

[0015] The bevel gear II is in meshing connection with a bevel gear I, the bevel gear I is fixedly arranged on the upper end of a stirring rod, and the upper side of the stirring rod is rotatably connected with the bottom surface of the sealing box through a sealing bearing.

[0016] The bottom end of the spiral conveying wheel is fixedly connected with an output shaft of a motor II, the motor II is fixedly connected with the bottom surface of the conveying box through a mounting seat, the left side surface of the conveying box is fixedly connected and communicated with the right end of a discharging pipe, the left end of the discharging pipe and the bottom end of a discharging pipe are arranged in an inclined mode, a valve is arranged on the upper side of the discharging pipe, and the bottom end of the outer surface of the mixing cylinder is fixedly connected with the upper ends of a plurality of supporting legs.

[0017] The technical effects achieved by the utility model are as follows:

[0018] The utility model discloses a mixing mechanism is arranged in the mixed cylinder, when using the device to feed additive manufacturing equipment, the user can add multiple metal powder raw materials into multiple storage cylinders respectively, and control motor one work, and multiple connecting shafts one, the blanking roll and the stirring rod are driven to rotate when motor one works, and the blanking roll rotates and utilizes the storage tank to take out the powder raw material in the storage cylinder, so that multiple raw materials all fall into the conical disc, at this time, multiple raw materials are preliminarily mixed in the process of sliding in the conical disc, then multiple raw materials fall into the bottom of mixed cylinder through the conical disc and utilize the rotation of stirring rod to mix raw materials again, thereby the mixing effect of raw materials is improved by the dispersion, gradual feeding mode and double mixing process of mixing mechanism, and the raw materials are mixed while feeding by the device, effectively improve the overall production efficiency, and reduce the workload of relevant personnel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the front view structure schematic diagram of the utility model, and

[0020] Figure 2 It is the front view structure schematic diagram of the utility model, and

[0021] Figure 3 It is the structure schematic diagram of mixing mechanism in the utility model, and

[0022] Figure 4 It is the front view structure schematic diagram of the utility model, and

[0023] Figure 5 It is the front view structure schematic diagram of the utility model, and

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1, mixed cylinder;2, mixing mechanism;21, storage cylinder;22, blanking frame;23, connecting shaft one;24, chain wheel one;25, sealing box;26, support plate;27, stirring rod;28, motor one;29, chain wheel two;210, connecting shaft two;211, blanking roll;212, bevel gear one;213, bevel gear two;3, supporting leg;4, valve;5, blanking pipe;6, motor two;7, conveying box;8, discharge pipe;9, conical disc;10, spiral conveying wheel;11, fixed plate. DETAILED DESCRIPTION

[0026] In order to make the purpose and the advantage of the utility model more clearly, the following specific description of the utility model is combined with example, should understand, the following text only use to describe the utility model one or several specific implementation, and do not strictly limit the protection scope of the utility model specific request.

[0027] AsFigures 1-5 As shown, a material feeding and stirring device based on additive manufacturing technology comprises a mixing cylinder 1, the bottom end of the mixing cylinder 1 is fixedly connected with the upper end of a feeding pipe 5, the bottom end of the feeding pipe 5 is fixedly connected with the bottom end of the right side of a conveying box 7 and is in communication, the right side of the conveying box 7 is also fixedly connected with the left ends of two fixed plates 11, the right ends of the two fixed plates 11 are both fixedly connected with the outer side of the mixing cylinder 1, a mixing mechanism 2 and a conical disc 9 are arranged in the mixing cylinder 1, the outer side of the conical disc 9 is fixedly connected with the inner side of the mixing cylinder 1;

[0028] The inside of the conveying box 7 is sleeved with a spiral conveying wheel 10, the two ends of the spiral conveying wheel 10 are rotatably connected with the upper and lower sides of the conveying box 7 through sealing bearings.

[0029] Further, the mixing mechanism 2 comprises four storage cylinders 21, the four storage cylinders 21 are all fixedly connected with the upper surface of the mixing cylinder 1, the bottom end of each storage cylinder 21 is fixedly connected with the upper end of a feeding frame 22, the four feeding frames 22 are all arranged on the upper side of the conical disc 9, the raw materials in the storage cylinder 21 fall into the conical disc 9 after being discharged by a feeding roller 211, and the multiple raw materials fall into the mixing cylinder 1 at the bottom by the conical disc 9 and are preliminarily mixed by the conical disc 9.

[0030] Further, the inside of each feeding frame 22 is sleeved with a feeding roller 211, the outer side of each feeding roller 211 is provided with multiple storage grooves, and part of the multiple feeding rollers 211 are fixedly connected with multiple connecting shafts I 23, the device is provided with multiple discharge grooves on the feeding roller 211 by sleeving the feeding roller 211 in the feeding frame 22, when the device operates, the raw materials in the storage cylinder 21 fall into the storage grooves on the upper end of the feeding roller 211, the raw materials in the storage grooves rotate together with the rotation of the storage cylinder 21, and the raw materials are discharged and fall into the conical disc 9 when the raw materials rotate to the bottom end of the feeding roller 211, so that the raw materials in the storage cylinder 21 are intermittently and gradually added into the mixing cylinder 1 by the feeding roller 211, so as to avoid that the multiple raw materials are added at one time and are difficult to stir and mix, and the mixing efficiency and mixing effect are effectively improved.

[0031] Further, the multiple connecting shafts I 23 are rotatably connected with the side surfaces of the multiple feeding frames 22 through sealing bearings, and the opposite ends of the two connecting shafts I 23 in the middle are fixedly connected.

[0032] Further, the three connecting shafts I 23 on the left and right sides and in the middle are rotatably connected with the cylinder wall of the mixing cylinder 1 through sealing bearings, and the front ends of the three connecting shafts I 23 are fixedly connected with a chain wheel I 24.

[0033] Further, the three chain wheels 24 are all in transmission connection with the chain wheel 29 through chains, the chain wheel 29 is fixedly arranged on the front side of the connecting shaft 210, the front end of the connecting shaft 210 is fixedly connected with the output shaft of the motor 28, and the motor 28 is fixedly connected with the outer surface of the mixing cylinder 1 through a mounting seat.

[0034] Further, the connecting shaft 210 is rotatably connected with the cylinder wall of the mixing cylinder 1 and the box wall of the sealing box 25 through sealing bearings, and the sealing box 25 is arranged below the conical disc 9.

[0035] Further, the left and right sides of the sealing box 25 are fixedly connected with the opposite ends of the two supporting plates 26 respectively, the opposite ends of the two supporting plates 26 are fixedly connected with the inner wall of the mixing cylinder 1, and the rear end of the connecting shaft 210 is fixedly connected with the bevel gear 213.

[0036] Further, the bevel gear 213 is in meshing connection with the bevel gear 212, the bevel gear 212 is fixedly arranged on the upper end of the stirring rod 27, the upper side of the stirring rod 27 is rotatably connected with the bottom surface of the sealing box 25 through a sealing bearing, the motor 28 drives the connecting shaft 210 to rotate when working, the connecting shaft 210 drives the stirring rod 27 to rotate through the bevel gear 212 and the bevel gear 213 when rotating, and the raw materials are stirred and mixed again by the rotation of the stirring rod 27 after falling into the mixing cylinder 1 through the conical disc 9, so that the mixing effect is effectively improved by the double mixing mode.

[0037] Further, the bottom end of the spiral conveying wheel 10 is fixedly connected with the output shaft of the motor 6, the motor 6 is fixedly connected with the bottom surface of the conveying box 7 through a mounting seat, the left side of the conveying box 7 is fixedly connected and communicated with the right end of the discharge pipe 8, the left end of the discharge pipe 8 and the bottom end of the feeding pipe 5 are both arranged in an inclined manner, the upper side of the feeding pipe 5 is provided with the valve 4, the bottom end of the outer side of the mixing cylinder 1 is fixedly connected with the upper ends of the plurality of supporting legs 3, the raw materials in the plurality of storage cylinders 21 are all discharged and mixed in the mixing cylinder 1, and the motor 28 is turned off after the mixing is completed, when the raw materials need to be supplied into the material bin of the manufacturing equipment, the user can open the valve 4 to make the mixed raw materials in the mixing cylinder 1 be discharged into the bottom of the conveying box 7 through the feeding pipe 5, at this time, the user can control the motor 6 to work to drive the spiral conveying wheel 10 to rotate, the raw materials in the bottom of the conveying box 7 are conveyed upward by the rotation of the spiral conveying wheel 10, and the raw materials are discharged into the material bin of the manufacturing equipment through the discharge pipe 8 when the raw materials move to the top of the conveying box 7, and the motor 6 and the valve 4 can be turned off after the feeding is completed.

[0038] The working principle of the utility model is: when using the device to feed additive manufacturing equipment, the user can place the device on one side of the additive manufacturing equipment, and make the left end of the discharge pipe 8 correspond to the manufacturing equipment bunker, then the user can add various metal powder raw materials into the plurality of storage barrels 21 respectively, the raw materials in the storage barrels 21 fall into the storage grooves opened on the discharge roller 211, and the control motor one 28 drives the connecting shaft two 210 to rotate, when the connecting shaft two 210 rotates, the bevel gear one 212 and the bevel gear two 213 drive the stirring rod 27 to rotate, and the chain wheel two 29 and the chain wheel one 24 drive the plurality of connecting shafts one 23 and the discharge roller 211 to rotate, when the discharge roller 211 rotates, the various powder raw materials in the plurality of storage barrels 21 are dispersed and gradually added into the conical disc 9, the various powder raw materials are preliminarily mixed when being discharged from the bottom end of the conical disc 9, then the raw materials fall into the mixing barrel 1 and are stirred and mixed again by the rotation of the stirring rod 27;

[0039] When the raw materials in the plurality of storage barrels 21 are all discharged and mixed in the mixing barrel 1, the motor one 28 is closed, when it is needed to feed the manufacturing equipment bunker, the user can open the valve 4 to make the mixed raw materials in the mixing barrel 1 be discharged into the bottom of the conveying box 7 through the discharge pipe 5, at this time, the user can control the motor two 6 to work and drive the spiral conveying wheel 10 to rotate, the raw materials in the bottom of the conveying box 7 are conveyed upward by the rotation of the spiral conveying wheel 10, when the raw materials move to the top of the conveying box 7, they are discharged through the discharge pipe 8 and fall into the manufacturing equipment bunker, after the feeding is completed, the motor two 6 and the valve 4 are closed.

[0040] The above only is the preferred implementation manner of the utility model, it should be pointed out that, for ordinary skilled person in the art, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to the conventional means in the field.

Claims

1. A material supply stirring device based on additive manufacturing technology, comprising a mixing cylinder (1), characterized in that: The bottom end of the mixing cylinder (1) is fixedly connected with the upper end of the discharging pipe (5), the bottom end of the discharging pipe (5) is fixedly connected with the bottom end of the right side of the conveying box (7) and communicates, the right side of the conveying box (7) is also fixedly connected with the left end of the two fixed plates (11), the right end of the two fixed plates (11) is fixedly connected with the outer side of the mixing cylinder (1), the mixing mechanism (2) and the conical disc (9) are arranged in the mixing cylinder (1), the outer side of the conical disc (9) is fixedly connected with the inner side of the mixing cylinder (1); The inside of the conveying box (7) is sleeved with the spiral conveying wheel (10), and the two ends of the spiral conveying wheel (10) are rotatably connected with the upper and lower sides of the conveying box (7) through sealing bearings.

2. A material supply stirring device based on additive manufacturing technology according to claim 1, characterized in that: The mixing mechanism (2) comprises four storage cylinders (21), the four storage cylinders (21) are fixedly connected with the upper surface of the mixing cylinder (1), the bottom end of each storage cylinder (21) is fixedly connected with the upper end of a discharging frame (22), and the four discharging frames (22) are arranged on the upper side of the conical disc (9).

3. A material supply stirring device based on additive manufacturing technology according to claim 2, characterized in that: The inside of each discharging frame (22) is sleeved with a discharging roller (211), a plurality of storage grooves are formed in the outer side of each discharging roller (211), and a plurality of discharging rollers (211) are fixedly connected with a plurality of connecting shafts I (23) respectively.

4. A material supply stirring device based on additive manufacturing technology according to claim 3, characterized in that: The plurality of connecting shafts I (23) are rotatably connected with the sides of the plurality of discharging frames (22) through sealing bearings, and the opposite ends of the two connecting shafts I (23) in the middle are fixedly connected.

5. A material supply stirring device based on additive manufacturing technology according to claim 4, characterized in that: The three connecting shafts I (23) on the left and right sides and in the middle are rotatably connected with the cylinder wall of the mixing cylinder (1) through sealing bearings, and the front ends of the three connecting shafts I (23) are fixedly connected with one sprocket I (24).

6. A material supply stirring device based on additive manufacturing technology according to claim 5, characterized in that: The three sprocket I (24) are in transmission connection with the sprocket II (29) through the chain, the sprocket II (29) is fixedly arranged on the front side of the connecting shaft II (210), the front end of the connecting shaft II (210) is fixedly connected with the output shaft of the motor I (28), and the motor I (28) is fixedly connected with the outer surface of the mixing cylinder (1) through the mounting seat.

7. A material supply stirring device based on additive manufacturing technology according to claim 6, characterized in that: The connecting shaft II (210) is rotatably connected with the cylinder wall of the mixing cylinder (1) and the tank wall of the sealing box (25) through sealing bearings, and the sealing box (25) is arranged below the conical disc (9).

8. A material supply stirring device based on additive manufacturing technology according to claim 7, characterized in that: The left and right sides of the sealing box (25) are fixedly connected with the opposite ends of the two supporting plates (26), the opposite ends of the two supporting plates (26) are fixedly connected with the inner wall of the mixing cylinder (1), and the rear end of the connecting shaft II (210) is fixedly connected with the bevel gear II (213).

9. A material supply stirring device based on additive manufacturing technology according to claim 8, characterized in that: The bevel gear II (213) is in meshing connection with the bevel gear I (212), the bevel gear I (212) is fixedly arranged on the upper end of the stirring rod (27), and the upper side of the stirring rod (27) is rotatably connected with the bottom surface of the sealing box (25) through a sealing bearing.

10. The material supply agitator based on additive manufacturing technology according to claim 1, characterized in that: The bottom end of the spiral conveying wheel (10) is fixedly connected with the output shaft of the second motor (6), the second motor (6) is fixedly connected with the bottom surface of the conveying box (7) through a mounting seat, the left side upper end of the conveying box (7) is fixedly connected with and communicates with the right end of the discharge pipe (8), the left end of the discharge pipe (8) and the bottom end of the discharging pipe (5) are both arranged to be inclined, the upper side of the discharging pipe (5) is provided with a valve (4), and the outer side bottom end of the mixing cylinder (1) is fixedly connected with the upper ends of a plurality of supporting legs (3).

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