Mixing equipment for injection molding neodymium iron boron production

Abstract

The utility model discloses material mixing equipment for injection molding neodymium iron boron production, which belongs to the technical field of neodymium iron boron production and comprises a material mixing barrel, the material mixing barrel is fixedly mounted in a supporting table, a discharge port is arranged at the lower end of the material mixing barrel, a feeding port is arranged on one side of the upper end of the material mixing barrel, a sieve tray is fixed on the upper side in the material mixing barrel, a plurality of through holes are arranged in the sieve tray, and the through holes are communicated with the material mixing barrel. By arranging the auxiliary assembly, when materials need to be added into the mixing barrel, the electric push rod is started to push the moving seat to move, the moving seat pushes the annular plate to ascend through the rotating rod, and the annular plate pushes the inserting rods on the fixing rod to enter the through holes of the sieve tray, so that the effect of blocking the through holes is achieved; after materials are mixed on the sieve tray, the electric push rod shrinks to drive the insertion rod to move out of the through hole, the materials penetrate through the through hole in the sieve tray to be discharged, the through hole of the sieve tray can be dredged by arranging the auxiliary assembly, blockage of the through hole is avoided, and meanwhile the mixing quality of the materials on the sieve tray is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the neodymium iron boron production technical field, concretely relates to a kind of mixing equipment for injection molding neodymium iron boron production. BACKGROUND

[0002] Neodymium iron boron, also known as neodymium iron boron magnet, is a tetragonal crystal formed by neodymium, iron and boron, and is a kind of rare earth permanent magnet material.

[0003] Chinese patent application No.2023213431310 discloses a neodymium iron boron powder mixing device, which comprises a mixing cylinder, a mixing assembly and a support table. The mixing cylinder is provided with a fixing seat, the fixing seat is installed on the support table, the top of the mixing barrel is provided with a feeding port, and the lower part of the mixing cylinder is provided with a discharging port. The mixing assembly comprises a rotary drive device, a rotating shaft, a rotating plate, a sieve disc and a rotating cylinder. The rotary drive device is arranged at the center of the top of the mixing cylinder. The rotating shaft is connected below the rotary drive device and is inside the mixing cylinder. The rotating plate is arranged on the rotating shaft. The sieve disc is arranged inside the mixing cylinder and is provided with a first through hole. The rotating plate is arranged above the sieve disc. The rotating shaft penetrates through the sieve disc and is connected with the rotating cylinder below. The rotating cylinder is provided with a second through hole. The same size of neodymium iron boron powder can be screened out through the rotating plate. The neodymium iron boron powder is dispersed and falls into the bottom of the mixing cylinder through the second through hole under the action of centrifugal force, realizing the mixing operation.

[0004] The sieve disc in the above-mentioned disclosed patent is prone to blockage. When the material is mixed on the sieve disc, the material can pass through the through hole of the sieve disc, resulting in insufficient mixing effect of the material. Meanwhile, the original device does not have a crushing function, so it cannot pre-crush the caked material added into the mixing cylinder, which affects the subsequent mixing effect. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background, the utility model provides a mixing equipment for injection molding neodymium iron boron production, which has the characteristics of being able to dredge the sieve disc and fully mix the material.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mixing equipment for injection molding neodymium iron boron production, comprising a mixing cylinder, the mixing cylinder is fixedly installed in the support table, the lower end of the mixing cylinder is provided with a discharging port, one side of the upper end of the mixing cylinder is provided with a feeding port, the upper side inside the mixing cylinder is fixedly provided with a sieve disc, a plurality of through holes are formed in the sieve disc, a motor one is installed at the middle position of the upper end of the mixing cylinder, a rotating shaft is arranged at the output end of the motor one, a rotating plate is fixedly arranged at the lower end of the rotating shaft, a plurality of scrapers are fixedly arranged on the outer side of the rotating plate, a crushing assembly is arranged inside the feeding port, and an auxiliary assembly is arranged at the corresponding position of the sieve disc inside the mixing cylinder.

[0007] The auxiliary assembly comprises an electric push rod, a ring-shaped plate, a moving seat, a fixed rod, a plug rod and a rotating rod, the inside of the mixing cylinder is slidably connected with the ring-shaped plate at a position corresponding to the sieve disc, a plurality of fixed rods are fixed in the ring-shaped plate, a plurality of plug rods are fixed on the fixed rods at positions corresponding to the through holes, the electric push rod is installed at both ends of the mixing cylinder, the moving seat is arranged at the output end of the electric push rod, and the rotating rod is rotatably connected between the moving seat and the ring-shaped plate.

[0008] Preferably, the auxiliary assembly further comprises an arc-shaped block, a vertical rod and a sliding hole, two arc-shaped blocks are fixed in the inside of the mixing cylinder at positions corresponding to the ring-shaped plate, the vertical rod is fixed between the two arc-shaped blocks, and the sliding hole is formed in the ring-shaped plate and corresponds to the vertical rod.

[0009] Preferably, the upper end of the ring-shaped plate and the upper end of the arc-shaped block are both arranged in an arc-shaped structure, and the rotating rod is rotatably connected with the ring-shaped plate and the moving seat through shaft pins.

[0010] Preferably, when the plug rod is inserted into the through hole, the upper end of the plug rod is flush with the upper end of the sieve disc, and the side edge of the plug rod is tightly attached to the inner wall of the through hole.

[0011] Preferably, the crushing assembly comprises a second motor, a rotating roller, a fixed plate, an inclined surface seat, a first crushing tooth and a second crushing tooth, the second motor is installed at the middle position of the front end of the feeding port, the rotating roller is arranged at the output end of the second motor, the fixed plate is fixed at both ends of the inside of the feeding port and corresponds to the rotating roller, the second crushing tooth is fixed at one end of the fixed plate, a plurality of first crushing teeth are fixed on the surface of the rotating roller, and the inclined surface seat is fixed at the upper end of the fixed plate.

[0012] Preferably, the first crushing tooth is tangent to the second crushing tooth, one end of the inclined surface seat is flush with one end of the fixed plate, and a bearing rotating seat is arranged between the rotating roller and the feeding port.

[0013] Compared with the prior art, the auxiliary assembly of the mixing device has the following beneficial effects:

[0014] 1、By setting the auxiliary assembly, when it is needed to add materials into the mixing cylinder, the electric push rod is started to drive the moving seat to move, the moving seat drives the ring-shaped plate to rise through the rotating rod, the ring-shaped plate drives a plurality of plug rods on the fixed rods to enter the through holes of the sieve disc, so that the through holes are blocked, after the materials are mixed on the sieve disc, the electric push rod is retracted to drive the plug rods to move out of the through holes, and the materials are discharged through the through holes in the sieve disc, the through holes of the sieve disc can be dredged through the setting of the auxiliary assembly, the blockage of the through holes is avoided, and the mixing quality of the materials on the sieve disc is improved.

[0015] 2, the utility model discloses through setting up broken component, when putting material into the feeding opening, start motor no. 2, motor no. 2 drives the rotation of the rotating roller, and the material enters between the rotating roller and fixed plate through the inclined surface seat, and the rotating roller rotates and can break the caked material through broken tooth no. 1 and the broken tooth no. 2 on the fixed plate, and the broken material falls into the mixing cylinder, and through setting up broken component, the caked material in the mixing cylinder can be broken, and the caked material in the mixing cylinder is avoided to affect the subsequent mixing quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the perspective view of the utility model;

[0017] Figure 2 It is the sectional view perspective view of the mixing cylinder of the utility model;

[0018] Figure 3 It is the sectional view perspective view of the mixing cylinder of the utility model;

[0019] Figure 4 It is the perspective view of the annular plate of the utility model;

[0020] Figure 5 It is the sectional view perspective view of the feeding opening of the utility model;

[0021] In the drawing: 1, mixing cylinder;2, auxiliary assembly;21, electric push rod;22, annular plate;23, moving seat;24, fixed rod;25, plug rod;26, rotating rod;27, arc block;28, vertical rod;29, sliding hole;3, broken component;31, motor no. 2;32, rotating roller;33, fixed plate;34, inclined surface seat;35, broken tooth no. 1;36, broken tooth no. 2;4, feeding opening;5, motor no. 1;6, support table;7, discharge port;8, sieve disc;9, through hole;10, rotating shaft;11, rotary plate;12, scraper. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-5The utility model provides the following technical scheme: A kind of mixing equipment for injection molding Nd-Fe-B production, including mixing cylinder 1, mixing cylinder 1 is fixedly installed in support table 6, mixing cylinder 1 lower end is provided with discharge gate 7, mixing cylinder 1 upper end one side is provided with feeding port 4, mixing cylinder 1 inside upper side is fixed with sieve tray 8, a plurality of through holes 9 are formed in sieve tray 8, motor one 5 is installed in the middle position of mixing cylinder 1 upper end, motor one 5 output is provided with shaft 10, the lower end of shaft 10 is fixed with rotating plate 11, rotating plate 11 outer side is fixed with a plurality of scrapers 12, crushing assembly 3 is provided in feeding port 4, the position corresponding with sieve tray 8 in mixing cylinder 1 inside is provided with auxiliary assembly 2;

[0025] Auxiliary assembly 2 includes electric push rod 21, annular plate 22, moving seat 23, fixed rod 24, plug rod 25 and rotating rod 26, wherein the position corresponding with sieve tray 8 in mixing cylinder 1 inside is slidably connected with annular plate 22, a plurality of fixed rods 24 are fixed in annular plate 22, a plurality of plug rods 25 are fixed on the position corresponding with through hole 9 of fixed rod 24, electric push rod 21 is installed at both ends of mixing cylinder 1, moving seat 23 is provided at the output end of electric push rod 21, and rotating rod 26 is rotatably connected between moving seat 23 and annular plate 22.

[0026] Specifically, auxiliary assembly 2 further includes arc-shaped block 27, vertical rod 28 and sliding hole 29, wherein the position corresponding with annular plate 22 in mixing cylinder 1 inside is fixed with two arc-shaped blocks 27, vertical rod 28 is fixed between the two arc-shaped blocks 27, and sliding hole 29 corresponding with vertical rod 28 is formed in annular plate 22.

[0027] Through the above technical scheme, when annular plate 22 moves, annular plate 22 can slide on vertical rod 28 between the two arc-shaped blocks 27 through sliding hole 29, and the arrangement of arc-shaped block 27 and the like makes the movement of annular plate 22 more stable.

[0028] Specifically, the inner side of the upper end of annular plate 22 and the upper end of arc-shaped block 27 are both arranged in arc-shaped structure, and rotating rod 26 is rotatably connected with annular plate 22 and moving seat 23 through shaft pin.

[0029] Through the above technical scheme, material is not easy to accumulate on annular plate 22 and arc-shaped block 27. Rotating rod 26 can rotate between annular plate 22 and moving seat 23.

[0030] Specifically, when plug rod 25 is inserted into through hole 9, the upper end of plug rod 25 is flush with the upper end of sieve tray 8, and the side edge of plug rod 25 is in close contact with the inner wall of through hole 9 when plug rod 25 is inserted into through hole 9.

[0031] Through the above technical scheme, when plug rod 25 is inserted into through hole 9, the upper end of plug rod 25 will not protrude.

[0032] When the embodiment is used, the device is installed at a suitable position during use of the mixing equipment for injection molding neodymium iron boron, the material to be mixed is added into the mixing cylinder 1 through the feeding port 4, the material falls on the sieve plate 8, the motor one 5 is started to drive the rotating shaft 10, the rotating plate 11 and the scraper 12 to rotate to mix the material, after the mixing is completed, the material falls downward through the through hole 9 and is discharged from the mixing cylinder 1 through the discharge port 7, when it is needed to add material into the mixing cylinder 1, the electric push rod 21 is started to push the moving seat 23 to move, the moving seat 23 pushes the annular plate 22 upward through the rotating rod 26, the annular plate 22 pushes a plurality of insertion rods 25 on the fixed rod 24 to enter the through hole 9 of the sieve plate 8, so that the through hole 9 is blocked, after the material is mixed on the sieve plate 8, the electric push rod 21 is retracted to drive the insertion rod 25 to move out of the through hole 9, the material passes through the through hole 9 in the sieve plate 8 to be discharged, the through hole 9 of the sieve plate 8 can be dredged through the auxiliary assembly 2, so that the through hole 9 is prevented from being blocked, the mixing quality of the material on the sieve plate 8 is improved, the material is prevented from leaking from the through hole 9 when the material is mixed on the sieve plate 8, the annular plate 22 can slide on the vertical rod 28 between the two arc blocks 27 through the sliding hole 29 when the annular plate 22 moves, and the annular plate 22 is more stable to move through the setting of the arc blocks 27.

[0033] Embodiment 2

[0034] The difference between the embodiment and the embodiment 1 is that the crushing assembly 3 includes the motor two 31, the rotating roller 32, the fixed plate 33, the inclined surface seat 34, the crushing tooth one 35 and the crushing tooth two 36, wherein the motor two 31 is installed at the middle position of the front end of the feeding port 4, the rotating roller 32 is arranged at the output end of the motor two 31, the fixed plate 33 is fixed at the positions corresponding to the rotating roller 32 at the two ends in the feeding port 4, the crushing tooth two 36 is fixed at one end of the fixed plate 33, and the crushing tooth one 35 is fixed on the surface of the rotating roller 32.

[0035] According to the above technical scheme, when the material is put into the feeding port 4, the motor two 31 is started, the rotating roller 32 is driven to rotate by the motor two 31, the material enters between the rotating roller 32 and the fixed plate 33 through the inclined surface seat 34, the material is crushed by the crushing tooth one 35 and the crushing tooth two 36 on the fixed plate 33, and the crushed material falls into the mixing cylinder 1, so that the material clumped in the mixing cylinder 1 is crushed through the setting of the crushing assembly 3, and the clumping of the material in the mixing cylinder 1 is prevented from affecting the subsequent mixing quality.

[0036] Specifically, the crushing tooth one 35 is tangent to the crushing tooth two 36, one end of the inclined surface seat 34 is flush with one end of the fixed plate 33, and the bearing rotating seat is arranged between the rotating roller 32 and the feeding port 4.

[0037] By adopting the above technical scheme, the broken tooth one 35 and the broken tooth two 36 will not collide, the inclined surface seat 34 can guide the material, and the rotating roller 32 can rotate inside the feeding opening 4.

[0038] In use of the embodiment, when the material is put into the feeding opening 4, the motor two 31 is started, the motor two 31 drives the rotating roller 32 to rotate, the material passes through the inclined surface seat 34 and enters between the rotating roller 32 and the fixed plate 33, the rotating roller 32 rotates to break the caked material through the broken tooth one 35 and the broken tooth two 36 on the fixed plate 33, and the broken material falls into the mixing barrel 1.

[0039] The electric push rod 21 in the utility model is an existing disclosed technology, and the selected model is FTG50.

[0040] The motor two 31 in the utility model is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0041] The structure and working principle of the mixing barrel 1, the feeding opening 4, the motor one 5, the supporting table 6, the discharging opening 7, the sieve disc 8, the through hole 9, the rotating shaft 10, the rotating plate 11 and the scraper 12 in the utility model have been disclosed in a neodymium iron boron powder mixing device with Chinese patent application No. 2023213431310, and the working principle is that the material to be mixed is added into the mixing barrel 1 through the feeding opening 4, the material falls onto the sieve disc 8, the motor one 5 is started to drive the rotating shaft 10, the rotating plate 11 and the scraper 12 to rotate and mix the material, and after the mixing is completed, the material falls downward through the through hole 9 and is discharged out of the mixing barrel 1 through the discharging opening 7.

[0042] The working principle and use process of the utility model: when using the mixing equipment for injection molding neodymium iron boron production, install the device in the appropriate position, add the material which needs to be mixed into the mixing cylinder 1 through the feeding port 4, the material falls on the sieve tray 8, open motor one 5 to drive the rotating shaft 10, the rotating plate 11 and the scraper 12 to rotate to mix the material, after mixing, the material falls downward through the through hole 9 and is discharged from the mixing cylinder 1 through the discharge port 7, by setting the auxiliary assembly 2, when needing to add material into the mixing cylinder 1, open the electric push rod 21 to push the moving seat 23 to move, the moving seat 23 pushes the annular plate 22 to rise through the rotating rod 26, the annular plate 22 pushes a plurality of inserting rods 25 on the fixed rod 24 to enter the through hole 9 of the sieve tray 8, the effect of plugging the through hole 9 is achieved, after mixing the material on the sieve tray 8, the electric push rod 21 is retracted to drive the inserting rod 25 to move out of the through hole 9, the material passes through the through hole 9 in the sieve tray 8 to discharge, by setting the auxiliary assembly 2, the through hole 9 of the sieve tray 8 can be dredged, the through hole 9 is prevented from being blocked, meanwhile, the mixing quality of the material on the sieve tray 8 is improved, the material is prevented from leaking from the through hole 9 when mixing on the sieve tray 8, when the annular plate 22 moves, the annular plate 22 can slide on the vertical rod 28 between the two arc blocks 27 through the sliding hole 29, the arc blocks 27 are set to make the annular plate 22 move more stably, by setting the crushing assembly 3, when the material is put into the feeding port 4, open the motor two 31, the motor two 31 drives the rotating roller 32 to rotate, the material enters between the rotating roller 32 and the fixed plate 33 through the inclined seat 34, the rotating roller 32 rotates to crush the caked material through the crushing teeth one 35 and the crushing teeth two 36 on the fixed plate 33, the crushed material falls into the mixing cylinder 1, by setting the crushing assembly 3, the caked material added into the mixing cylinder 1 can be crushed, the caked material added into the mixing cylinder 1 is prevented from affecting the subsequent mixing quality.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of mixing equipment for injection molding neodymium iron boron production, including mixing cylinder (1), the mixing cylinder (1) is fixedly installed in support table (6), the lower end of mixing cylinder (1) is provided with discharge port (7), the upper end of mixing cylinder (1) one side is provided with feeding port (4), the inside upper side of mixing cylinder (1) is fixed with sieve tray (8), a plurality of through holes (9) are set in sieve tray (8), motor one (5) is installed in the upper end of mixing cylinder (1) intermediate position, the output end of motor one (5) is provided with rotating shaft (10), the lower end of rotating shaft (10) is fixed with rotating plate (11), a plurality of scrapers (12) are fixed on the outside of rotating plate (11), it is characterized by: The inside of the feeding port (4) is provided with a crushing assembly (3), and the inside of the mixing barrel (1) is provided with an auxiliary assembly (2) at the position corresponding to the sieve plate (8); The auxiliary assembly (2) comprises an electric push rod (21), an annular plate (22), a moving seat (23), a fixed rod (24), a plug rod (25) and a rotating rod (26), wherein the inside of the mixing barrel (1) is slidably connected with the annular plate (22) at the position corresponding to the sieve plate (8), a plurality of fixed rods (24) are fixed in the annular plate (22), a plurality of plug rods (25) are fixed on the fixed rods (24) at the positions corresponding to the through holes (9), the electric push rod (21) is installed at both ends of the mixing barrel (1), the moving seat (23) is arranged at the output end of the electric push rod (21), and the rotating rod (26) is rotatably connected between the moving seat (23) and the annular plate (22).

2. The mixing device for injection molding Nd-Fe-B according to claim 1, characterized in that: The auxiliary assembly (2) further comprises an arc-shaped block (27), a vertical rod (28) and a sliding hole (29), wherein two arc-shaped blocks (27) are fixed in the inside of the mixing barrel (1) at the positions corresponding to the annular plate (22), the vertical rod (28) is fixed between the two arc-shaped blocks (27), and the sliding hole (29) corresponding to the vertical rod (28) is formed in the annular plate (22).

3. The mixing device for injection molding Nd-Fe-B according to claim 2, characterized in that: The upper end of the annular plate (22) and the upper end of the arc-shaped block (27) are both provided in an arc-shaped structure, and the rotating rod (26) is rotatably connected with the annular plate (22) and the moving seat (23) through shaft pins.

4. The mixing device for injection molding Nd-Fe-B according to claim 2, characterized in that: When the plug rod (25) is inserted into the through hole (9), the upper end of the plug rod (25) is flush with the upper end of the sieve plate (8), and the side edge of the plug rod (25) is tightly attached to the inner wall of the through hole (9).

5. The mixing device for injection molding Nd-Fe-B according to claim 1, characterized in that: The crushing assembly (3) comprises a second motor (31), a rotating roller (32), a fixed plate (33), an inclined surface seat (34), a first crushing tooth (35) and a second crushing tooth (36), wherein the second motor (31) is installed at the middle position of the front end of the feeding port (4), the rotating roller (32) is arranged at the output end of the second motor (31), the fixed plates (33) are fixed at both ends of the inside of the feeding port (4) at the positions corresponding to the rotating roller (32), the second crushing tooth (36) is fixed at one end of the fixed plate (33), a plurality of first crushing teeth (35) are fixed on the surface of the rotating roller (32), and the inclined surface seat (34) is fixed at the upper end of the fixed plate (33).

6. The mixing device for injection molding Nd-Fe-B according to claim 5, characterized in that: The first crushing tooth (35) is tangent to the second crushing tooth (36), one end of the inclined surface seat (34) is flush with one end of the fixed plate (33), and a bearing rotating seat is arranged between the rotating roller (32) and the feeding port (4).

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