Polylactic acid injection filler stabilizer adding device

By designing a polylactic acid injection filler stabilizer addition device, using the combined movement of the sleeve and the stirring rod, the uneven mixing problem of fixed position of the stabilizer addition is solved, and uniform and efficient mixing of the stabilizer and the polylactic acid injection filler is achieved.

CN223069368UActive Publication Date: 2025-07-08NANJING SHUXINGHUI BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422171914.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-07-08
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The traditional method of adding stabilizer causes uneven mixing of the stabilizer and the polylactic acid injection filler, making it difficult to mix efficiently.

Method used

A polylactic acid injection filler stabilizer addition device is designed, using the sleeve to drive the fixed rod to rotate and the spray head to slide, combining the rotation and rotation of the stirring rod to achieve uniform spraying and full stirring of the stabilizer.

Benefits of technology

The uniform mixing of the stabilizer and the polylactic acid injection filler is achieved, and the mixing efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polylactic acid injection filler stabilizer adding device, which relates to the technical field of polylactic acid injection filler production and comprises a mixing barrel, a sleeve is rotatably mounted in the mixing barrel, a fixing rod is fixedly mounted at the top end of the sleeve, and a reciprocating screw rod is rotatably mounted in the fixing rod. A clamping block is slidably clamped in a threaded groove of the reciprocating screw rod, a connecting rod is rotatably mounted on the clamping block, a spraying head is slidably mounted on one side of the fixing rod, a material conveying hose is fixedly mounted in the top end of the sleeve, a first gear is fixedly mounted at one end of the reciprocating screw rod, a crown gear ring is fixedly mounted at the top end of the interior of the mixing barrel, and the first gear is meshed with the crown gear ring; according to the stabilizer adding device, the sleeve is used for driving the fixing rod to rotate, meanwhile, the first gear is meshed with the crown gear ring to drive the reciprocating screw rod to rotate in the fixing rod, and the reciprocating screw rod drives the spraying head to slide back and forth along the fixing rod to spray a stabilizer into the mixing barrel, so that the stabilizer can be uniformly added.
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Description

Technical Field

[0001] The utility model relates to the technical field of polylactic acid injection filler production, in particular to a stabilizer adding device for polylactic acid injection filler. Background Technique

[0002] Polylactic acid (PLA) is a biodegradable polymer material, which is widely used in the fields of medicine and bioengineering. In some applications, in order to improve the stability and performance of PLA, stabilizers may need to be added.

[0003] The traditional way of adding stabilizer is to add the stabilizer into the mixing barrel at a fixed position and mix it with the polylactic acid injection filler in the mixing barrel through a stirring device. Due to the fixed adding position of the stabilizer, it is difficult for the stabilizer to be uniformly and efficiently mixed with the polylactic acid injection filler. In view of the above problems, the inventor proposes a stabilizer adding device for polylactic acid injection filler to solve the above problems. Summary of the Utility Model

[0004] In order to solve the problem that due to the fixed adding position of the stabilizer, it is difficult for the stabilizer to be uniformly and efficiently mixed with the polylactic acid injection filler; the purpose of the utility model is to provide a stabilizer adding device for polylactic acid injection filler.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a stabilizer adding device for polylactic acid injection filler, including a mixing barrel, a sleeve is rotatably installed in the mixing barrel, a fixed rod is fixedly installed at the top of the sleeve, a reciprocating lead screw is rotatably installed in the fixed rod, a block is slidably clamped in the thread groove of the reciprocating lead screw, a connecting rod is rotatably installed on the block, a spraying head is slidably installed on one side of the fixed rod, and one end of the connecting rod is rotatably connected to the spraying head. A feeding hose is fixedly installed inside the top of the sleeve, and one end of the feeding hose is fixedly connected and communicated with the spraying head. One end of the reciprocating lead screw is fixedly installed with a first gear, and a crown gear ring is fixedly installed at the inner top of the mixing barrel, and the first gear meshes with the crown gear ring.

[0006] Preferably, a large gear is fixedly installed at the top of the sleeve, a rotating connector is fixedly installed on the large gear, and the rotating connector is communicated with the feeding hose. An adding pipe is fixedly installed at the top of the mixing barrel, and the bottom end of the adding pipe is rotatably connected to the rotating connector. A small gear is rotatably installed at the top of the mixing barrel, and the small gear meshes with the large gear. A motor is fixedly installed at the top of the mixing barrel, and the output end of the motor is fixedly connected to the center of the small gear.

[0007] Preferably, a fixed plate is fixedly installed inside the mixing barrel, and the bottom end of the sleeve is rotatably connected to the fixed plate. A fixed shaft is fixedly installed on the fixed plate, and the top end of the fixed shaft is rotatably connected to the inner top end of the sleeve. A plurality of stirring rods are rotatably installed on the sleeve at equal intervals up and down. One ends of the plurality of stirring rods are fixedly installed with second gears. A plurality of crown gears are fixedly installed on the fixed shaft at equal intervals up and down, and the second gears are meshed with the corresponding crown gears.

[0008] Preferably, a feed pipe is fixedly installed at the top end of the mixing barrel, and a discharge valve is fixedly installed at the bottom end of the mixing barrel.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] 1. In the present utility model, the sleeve is used to drive the fixed rod to rotate. At the same time, the first gear is meshed with the crown gear ring, driving the reciprocating lead screw to rotate inside the fixed rod. The reciprocating lead screw drives the spray head to slide reciprocally along the fixed rod to spray the stabilizer in the mixing barrel, so that the stabilizer can be added evenly.

[0011] 2. In the present utility model, the sleeve drives the stirring rod to rotate. At the same time, the second gear at one end of the stirring rod is meshed with the crown gear on the fixed shaft, driving the stirring rod to rotate self - sufficiently, so that the material and the stabilizer can be fully stirred, and the stabilizer and the polylactic acid injection filler can be uniformly and efficiently mixed. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following - described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the mixing barrel of the present utility model;

[0015] Figure 3 It is the present utility model Figure 2 The enlarged schematic diagram of the structure at A in;

[0016] Figure 4 It is a schematic diagram of the sectional structure of the sleeve of the present utility model;

[0017] Figure 5 It is the present utility model Figure 4 The enlarged schematic diagram of the structure at B in;

[0018] Figure 6For the present utility model Figure 4 Schematic enlarged view of the structure at position C in the present utility model

[0019] In the figure: 1, mixing barrel; 2, discharge valve; 3, adding pipe; 4, large gear; 5, small gear; 6, motor; 7, crown gear ring; 8, fixed rod; 9, rotating connection head; 10, sleeve; 11, spraying head; 12, feeding hose; 13, stirring rod; 14, fixing plate; 15, reciprocating lead screw; 151, clamping block; 152, connecting rod; 16, first gear; 17, fixed shaft; 18, crown gear; 19, second gear; 20, feeding pipe Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model

[0021] Embodiment: As Figures 1-6 shown, the present utility model provides a device for adding stabilizer to polylactic acid injection filler, including a mixing barrel 1. A sleeve 10 is rotatably installed in the mixing barrel 1. A fixed rod 8 is fixedly installed at the top end of the sleeve 10. A reciprocating lead screw 15 is rotatably installed in the fixed rod 8. A clamping block 151 is slidably clamped in the thread groove of the reciprocating lead screw 15. A connecting rod 152 is rotatably installed on the clamping block 151. A spraying head 11 is slidably installed on one side of the fixed rod 8, and one end of the connecting rod 152 is rotatably connected to the spraying head 11. A feeding hose 12 is fixedly installed inside the top end of the sleeve 10, and one end of the feeding hose 12 is fixedly connected to and communicated with the spraying head 11. One end of the reciprocating lead screw 15 is fixedly installed with a first gear 16. A crown gear ring 7 is fixedly installed at the inner top end of the mixing barrel 1, and the first gear 16 meshes with the crown gear ring 7, so that the stabilizer is conveyed into the spraying head 11 through the feeding hose 12 for spraying. By driving the fixed rod 8 to rotate by the sleeve 10, at the same time, the first gear 16 meshes with the crown gear ring 7 to drive the reciprocating lead screw 15 to rotate in the fixed rod 8. The rotation of the reciprocating lead screw 15 causes the clamping block 151 to drive the connecting rod 152 to reciprocate in its thread groove, and the connecting rod 152 drives the spraying head 11 to reciprocate along the fixed rod 8 to spray the stabilizer in the mixing barrel 1, so that the addition of the stabilizer can be made uniform

[0022] A large gear 4 is fixedly installed at the top end of the sleeve 10. A rotating connector 9 is fixedly installed on the large gear 4, and the rotating connector 9 is communicated with the feeding hose 12. An adding pipe 3 is fixedly installed at the top end of the mixing barrel 1, and the bottom end of the adding pipe 3 is rotatably connected with the rotating connector 9. A small gear 5 is rotatably installed at the top end of the mixing barrel 1, and the small gear 5 meshes with the large gear 4. A motor 6 is fixedly installed at the top end of the mixing barrel 1, and the output end of the motor 6 is fixedly connected to the center of the small gear 5.

[0023] By adopting the above technical solution, the stabilizer is conveyed into the feeding hose 12 through the adding pipe 3 and the rotating connector 9. The motor 6 drives the small gear 5 to rotate, the small gear 5 drives the large gear 4 to rotate, and the large gear 4 drives the sleeve 10 to rotate.

[0024] A fixed plate 14 is fixedly installed inside the mixing barrel 1, and the bottom end of the sleeve 10 is rotatably connected to the fixed plate 14. A fixed shaft 17 is fixedly installed on the fixed plate 14, and the top end of the fixed shaft 17 is rotatably connected to the inner top end of the sleeve 10. A plurality of stirring rods 13 are rotatably installed on the sleeve 10 and are evenly distributed at equal intervals up and down. A second gear 19 is fixedly installed at one end of each of the plurality of stirring rods 13. A plurality of crown gears 18 are fixedly installed on the fixed shaft 17 and are evenly distributed at equal intervals up and down, and the second gear 19 meshes with the corresponding crown gear 18.

[0025] By adopting the above technical solution, the sleeve 10 drives the stirring rods 13 to rotate. At the same time, the second gear 19 at one end of the stirring rod 13 meshes with the crown gear 18 on the fixed shaft 17, driving the stirring rod 13 to rotate self - sufficiently, so that the material and the stabilizer can be fully stirred, and the stabilizer and the polylactic acid injection filler can be uniformly and efficiently mixed.

[0026] A feeding pipe 20 is fixedly installed at the top end of the mixing barrel 1, and a discharge valve 2 is fixedly installed at the bottom end of the mixing barrel 1.

[0027] By adopting the above technical solution, the material is injected into the mixing barrel 1 through the feeding pipe 20, and the mixed material is discharged through the discharge valve 2.

[0028] Working principle: When the utility model is in use, first, materials are injected into the mixing barrel 1 through the feeding pipe 20. Then, the stabilizer is transported to the feeding hose 12 through the adding pipe 3 and the rotating connector 9, and the stabilizer is sprayed into the spraying head 11 through the feeding hose 12. The motor 6 drives the small gear 5 to rotate, the small gear 5 drives the large gear 4 to rotate, the large gear 4 drives the sleeve 10 to rotate, and the sleeve 10 drives the fixed rod 8 to rotate. At the same time, the first gear 16 meshes with the crown gear ring 7, driving the reciprocating lead screw 15 to rotate in the fixed rod 8. The rotation of the reciprocating lead screw 15 causes the block 151 to drive the connecting rod 152 to reciprocate in its thread groove, and the connecting rod 152 drives the spraying head 11 to reciprocate along the fixed rod 8 to spray the stabilizer in the mixing barrel 1, so that the stabilizer can be added evenly. At the same time, the sleeve 10 drives the stirring rod 13 to rotate, and the second gear 19 at one end of the stirring rod 13 meshes with the crown gear 18 on the fixed shaft 17, driving the stirring rod 13 to rotate itself, so that the materials and the stabilizer can be fully stirred, and the stabilizer and the polylactic acid injection filler can be evenly and efficiently mixed. The mixed materials are discharged through the discharge valve 2.

[0029] Obviously, those skilled in the art can make various modifications and variations to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model also intends to include these modifications and variations.

Claims

1. A stabilizer adding device for a polylactic acid injection filler, comprising a mixing barrel (1), characterized in that: A sleeve (10) is rotatably installed inside the mixing barrel (1). A fixed rod (8) is fixedly installed at the top end of the sleeve (10). A reciprocating lead screw (15) is rotatably installed inside the fixed rod (8). A block (151) is slidably clamped in the thread groove of the reciprocating lead screw (15). A connecting rod (152) is rotatably installed on the block (151). A spraying head (11) is slidably installed on one side of the fixed rod (8), and one end of the connecting rod (152) is rotatably connected to the spraying head (11). A feeding hose (12) is fixedly installed inside the top end of the sleeve (10), and one end of the feeding hose (12) is fixedly connected and communicated with the spraying head (11). One end of the reciprocating lead screw (15) is fixedly installed with a first gear (16). A crown gear ring (7) is fixedly installed at the inner top end of the mixing barrel (1), and the first gear (16) is meshed with the crown gear ring (7).

2. The stabilizer adding device for a polylactic acid injection filler according to claim 1, characterized in that, A large gear (4) is fixedly installed at the top end of the sleeve (10). A rotating connection head (9) is fixedly installed on the large gear (4), and the rotating connection head (9) is communicated with the feeding hose (12). An adding pipe (3) is fixedly installed at the top end of the mixing barrel (1), and the bottom end of the adding pipe (3) is rotatably connected to the rotating connection head (9).

3. The stabilizer adding device for a polylactic acid injection filler according to claim 1, wherein, A small gear (5) is rotatably installed at the top end of the mixing barrel (1), and the small gear (5) is meshed with the large gear (4).

4. The stabilizer adding device for a polylactic acid injection filler according to claim 1, wherein A motor (6) is fixedly installed at the top end of the mixing barrel (1), and the output end of the motor (6) is fixedly connected to the center of the small gear (5).

5. The stabilizer adding device for a polylactic acid injection filler according to claim 1, characterized in that, A fixing plate (14) is fixedly installed inside the mixing barrel (1), and the bottom end of the sleeve (10) is rotatably connected to the fixing plate (14). A fixed shaft (17) is fixedly installed on the fixing plate (14), and the top end of the fixed shaft (17) is rotatably connected to the inner top end of the sleeve (10).

6. The stabilizer adding device for a polylactic acid injection filler according to claim 1, wherein, A plurality of stirring rods (13) are rotatably installed on the sleeve (10) and are equally distributed at equal intervals up and down. One ends of the plurality of stirring rods (13) are all fixedly installed with second gears (19).

7. The stabilizer adding device for a polylactic acid injection filler according to claim 5, wherein A plurality of crown gears (18) are fixedly installed on the fixed shaft (17) and are equally distributed at equal intervals up and down, and the second gear (19) is meshed with the corresponding crown gear (18).

8. The stabilizer adding device for a polylactic acid injection filler according to claim 1, characterized in that, A feeding pipe (20) is fixedly installed at the top end of the mixing barrel (1), and a discharge valve (2) is fixedly installed at the bottom end of the mixing barrel (1).