Raw material drying equipment for injection molding of automobile parts

By designing a raw material drying equipment for injection molding of automobile accessories, and adopting a combination of internal and external drying method, the problem that existing drying devices cannot evenly dry raw materials is solved, significantly improving the drying efficiency and finished product quality of injection molded products .

CN222494985UActive Publication Date: 2025-02-18HEFEI TIANYI AUTOMATIC PARTS CO LTD
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Patent Information

Application Number
CN202421199123.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-02-18
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing injection molding raw material drying device has a simple structure and cannot evenly dry raw materials, resulting in poor quality of the finished product of the injection molding product.

Method used

A raw material drying equipment for injection molding of automobile accessories was designed, and the drying method was adopted that combines the inside and outside drying method. Through the hollow structure and breathable holes of the agitating shaft and the stirring rod, combined with the design of the air guide ring and the air outlet ring, the hot air is realized from the inside and outside direction. Blow evenly towards the raw materials to ensure sufficient drying of the raw materials.

Benefits of technology

Through the drying method combined with internal and external, the drying efficiency is significantly improved, ensuring uniform drying of injection molding raw materials, thereby improving the finished product quality of injection molding products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The raw material drying equipment comprises a barrel body, a top cover is arranged at the top end of the barrel body, an inner barrel is arranged on the inner side of the barrel body, air inlet holes are evenly formed in the outer wall of the inner barrel, a stirring shaft is installed in the middle of the top cover in a penetrating mode, and stirring rods are evenly arranged on the outer side of the stirring shaft. An air guide frame is fixedly connected to the outer wall of the barrel body, a first air heater is installed on the outer wall of the air guide frame in a penetrating mode, a plurality of air guide pipes are installed on the inner side face of the air guide frame in a penetrating mode from top to bottom, a plurality of air guide rings are embedded in the inner wall of the barrel body from top to bottom, and the air guide rings are rotationally connected with air outlet rings through annular openings. According to the raw material drying device, raw materials are placed in the inner barrel and stirred continuously, the air outlet ring capable of rotating is arranged on the outer side of the inner barrel, hot air can be blown to all directions of the outer sides of the raw materials through circular motion of the air outlet ring, and therefore the raw materials can be fully dried through cooperation of the air outlet ring and the air outlet ring.
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Description

Technical Field

[0001] The utility model relates to the technical field of drying equipment, in particular to a raw material drying equipment for injection molding of automobile parts. Background Art

[0002] Most automotive parts are formed into products of specific shapes by injection molding. Injection molding is a method of producing industrial products. Injection molded products are more and more widely used in today's society. During the injection molding process, if the injection molding raw materials are not fully dried, bubbles and flow marks will appear on the products, affecting the product quality. Therefore, the raw materials need to be dried before injection molding.

[0003] However, the existing injection molding raw material drying device has a simple structure and cannot evenly dry the raw materials, which reduces the drying quality of the raw materials and leads to poor quality of the finished injection molding products.

[0004] Therefore, those skilled in the art provide a raw material drying device for automobile parts injection molding to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a raw material drying device for automobile parts injection molding.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A raw material drying equipment for injection molding of automobile parts comprises a barrel body, a top cover is provided at the top of the barrel body, an inner barrel is provided inside the barrel body, air inlet holes are evenly provided on the outer wall of the inner barrel, a stirring shaft is installed through the middle of the top cover, stirring rods are evenly provided on the outer side of the stirring shaft, and the stirring rods are located on the inner side of the inner barrel, an air guide frame is fixedly connected to the outer wall of the barrel body, a first hot air blower is installed through the outer wall of the air guide frame, a plurality of air guide pipes are installed through the inner side surface of the air guide frame from top to bottom, a plurality of air guide rings are embedded from top to bottom on the inner wall of the barrel body, and a cavity is provided inside the air guide ring, one end of the air guide pipe passes through the outer wall of the barrel body and is connected with the cavity of the air guide ring, an annular opening connected with the cavity is provided on the inner side surface of the air guide ring, and the air guide ring is rotatably connected with an air outlet ring through the annular opening, an air cavity is provided on the outer side surface of the air outlet ring, and the air cavity is connected with the cavity, and a plurality of exhaust holes distributed in a circular array are provided on the inner side surface of the air outlet ring.

[0008] Preferably, two adjacent air outlet rings are fixedly connected by a plurality of fixing rods distributed in a circular array, a movable ring is rotatably installed under the inner wall of the barrel body, and bevel teeth are evenly installed on the bottom end of the movable ring, the top of the movable ring is fixedly connected to the lowest air outlet ring by a plurality of connecting rods distributed in a circular array, a first motor is installed on the outer wall of the barrel body, and one end of the output shaft of the first motor movably passes through the outer wall of the barrel body and is fixedly connected to a bevel gear, and the bevel gear is meshed with the bevel teeth at the bottom end of the movable ring.

[0009] Preferably, the top end of the stirring shaft movably passes through the top cover, and the outside of the stirring shaft is respectively sleeved with a driven gear and a limit ring at the top end surface and the bottom end surface of the top cover, a bracket is installed on the top end of the top cover, a second motor is installed on the top end of the bracket, and a driving gear is fixedly connected to one end of the output shaft of the second motor, and the driving gear is meshed with the driven gear.

[0010] Preferably, an air induction groove is provided at the top of the stirring shaft, a diverter groove is provided inside the stirring rod, and one end of the diverter groove is connected to the air induction groove, the top of the stirring shaft is rotatably connected to an air inlet pipe, one end of the air inlet pipe is connected to a second hot air blower, and the second hot air blower is installed at the top of the top cover.

[0011] Preferably, a plurality of strip grooves are provided on the outer surface of the stirring rod, and a plurality of air holes connected with the diversion grooves are provided on the inner side of the strip grooves, and filter strips are installed at the openings of the strip grooves.

[0012] Preferably, a feed pipe is provided through the top of the top cover, and the bottom end of the feed pipe is located above the inner barrel, a plurality of supporting legs are installed on the edge of the bottom end of the barrel body, a discharge pipe is provided through the middle of the bottom end of the barrel body, and a valve is installed on the discharge pipe, exhaust holes are evenly arranged at the upper position of the outer side of the barrel body, and a dustproof net is installed at the position of the exhaust holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model places the raw materials in the inner barrel and stirs them continuously, and a rotatable air outlet ring is arranged on the outer side. The circular motion of the air outlet ring can make the hot air blow to all directions outside the raw materials, so that the raw materials can be fully dried by cooperating with each other.

[0015] At the same time, by setting the stirring shaft and stirring rod as hollow structures and providing air holes on the stirring rod, hot air can be introduced into the stirring shaft and stirring rod in turn through a second hot air blower from the outside, and finally blown out from the air holes, so that the raw materials can be dried inside while the stirring rod is stirring. The combination of internal and external drying methods greatly improves the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more specifically and intuitively illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0017] Figure 1 It is a schematic diagram of the structure proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the air outlet ring structure proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the inner barrel structure proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the stirring rod structure proposed by the utility model;

[0021] Figure 5 The utility model proposed Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 6 The utility model proposed Figure 1 Enlarged structural diagram at B in the middle.

[0023] In the figure: 1. barrel; 2. top cover; 3. inner barrel; 4. air inlet; 5. stirring shaft; 6. stirring rod; 7. air guide frame; 8. first hot air blower; 9. air guide pipe; 10. air guide ring; 11. air outlet ring; 12. exhaust hole; 13. fixed rod; 14. movable ring; 15. connecting rod; 16. first motor; 17. bevel gear; 18. driven gear; 19. bracket; 20. second motor; 21. driving gear; 22. limiting ring; 23. air inlet groove; 24. diversion groove; 25. air inlet pipe; 26. second hot air blower; 27. air vent; 28. filter strip; 29. ​​feed pipe; 30. supporting leg; 31. discharge pipe; 32. exhaust hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-6A raw material drying device for injection molding of automobile parts, comprising a barrel body 1, a top cover 2 is provided at the top of the barrel body 1, an inner barrel 3 is provided inside the barrel body 1, air inlet holes 4 are evenly opened on the outer wall of the inner barrel 3, a stirring shaft 5 is installed through the middle of the top cover 2, stirring rods 6 are evenly arranged outside the stirring shaft 5, and the stirring rods 6 are located inside the inner barrel 3, an air guide frame 7 is fixedly connected to the outer wall of the barrel body 1, a first hot air blower 8 is installed through the outer wall of the air guide frame 7, and a plurality of air guide pipes 9 are installed through the inner side of the air guide frame 7 from top to bottom , a plurality of air guide rings 10 are embedded from top to bottom on the inner wall of the barrel body 1, and a cavity is provided inside the air guide ring 10, one end of the air guide pipe 9 passes through the outer wall of the barrel body 1 and is connected to the cavity of the air guide ring 10, an annular opening connected to the cavity is provided on the inner side of the air guide ring 10, and the air guide ring 10 is rotatably connected to an air outlet ring 11 through the annular opening, an air cavity is provided on the outer side of the air outlet ring 11, and the air cavity is connected to the cavity, and a plurality of exhaust holes 12 distributed in a circular array are provided on the inner side of the air outlet ring 11;

[0026] The technical solution adopted above places the injection molding raw material on the inner side of the inner barrel 3, and the stirring shaft 5 drives the stirring rod 6 to rotate, so that the raw material inside the inner barrel 3 is continuously stirred, and the first hot air blower 8 introduces hot air into the inner side of the air guide frame 7, and then enters the air guide ring 10 cavity and the air outlet ring 11 air cavity in turn through the air guide pipe 9, and finally is discharged from the exhaust hole 12 on the inner side of the air outlet ring 11 and blown toward the inner barrel 3, and the hot air enters the inner side of the inner barrel 3 through the air inlet hole 4 on the inner barrel 3, thereby realizing the drying of the raw materials.

[0027] Two adjacent air outlet rings 11 are fixedly connected by a plurality of fixing rods 13 distributed in a circular array, a movable ring 14 is rotatably installed below the inner wall of the barrel body 1, and bevel gears are evenly installed at the bottom of the movable ring 14, and the top of the movable ring 14 is fixedly connected to the lowest air outlet ring 11 through a plurality of connecting rods 15 distributed in a circular array, a first motor 16 is installed on the outer wall of the barrel body 1, and one end of the output shaft of the first motor 16 movably passes through the outer wall of the barrel body 1 and is fixedly connected to a bevel gear 17, which meshes with the bevel gears at the bottom of the movable ring 14;

[0028] The technical solution adopted above drives the bevel gear 17 to rotate through the first motor 16, thereby driving the movable ring 14 on the inner side of the barrel body 1 to rotate. The rotation of the movable ring 14 will drive the lowest air outlet ring 11 to rotate through the connecting rod 15, and the air outlet rings 11 are connected by the fixed rod 13, so that all the air outlet rings 11 move in a circle together. The air outlet rings 11 rotate, so that the position of the exhaust hole 12 can be changed at any time, so that the hot air can dry the raw materials evenly from all directions.

[0029] The top end of the stirring shaft 5 movably penetrates the top cover 2, and the outer side of the stirring shaft 5 is respectively sleeved with a driven gear 18 and a limit ring 22 at the top end surface and the bottom end surface of the top cover 2. A bracket 19 is installed at the top end of the top cover 2, and a second motor 20 is installed at the top end of the bracket 19. A driving gear 21 is fixedly connected to one end of the output shaft of the second motor 20, and the driving gear 21 is meshed with the driven gear 18;

[0030] The technical solution adopted above, the position setting of the driven gear 18 and the limit ring 22 can enable the stirring shaft 5 to be rotatably set on the top cover 2, and the driving gear 21 is driven to rotate by the second motor 20, so that the stirring shaft 5 is driven to rotate through the transmission effect of the driving gear 21 and the driven gear 18.

[0031] An air induction groove 23 is provided at the top of the stirring shaft 5, a diverter groove 24 is provided inside the stirring rod 6, and one end of the diverter groove 24 is connected to the air induction groove 23, an air inlet pipe 25 is rotatably connected to the top of the stirring shaft 5, one end of the air inlet pipe 25 is connected to a second hot air blower 26, and the second hot air blower 26 is installed at the top of the top cover 2;

[0032] In the technical solution adopted above, the second hot air blower 26 introduces hot air into the air inlet groove 23 inside the stirring shaft 5 through the air inlet pipe 25, and then flows from the air inlet groove 23 to the diversion grooves 24 inside each stirring rod 6.

[0033] The outer surface of the stirring rod 6 is provided with a plurality of strip grooves, and the inner side of the strip groove is provided with a plurality of air holes 27 connected with the diversion groove 24, and a filter strip 28 is installed at the opening of the strip groove;

[0034] In the above technical solution, the hot air entering the diverter slot 24 will be blown out through the air holes 27, so that the inside of the material can be dried while the stirring rod 6 stirs the material, thereby improving the drying efficiency.

[0035] A feed pipe 29 is provided through the top of the top cover 2, and the bottom end of the feed pipe 29 is located above the inner barrel 3. A plurality of support legs 30 are installed at the bottom edge of the barrel body 1. A discharge pipe 31 is installed through the middle of the bottom end of the barrel body 1, and a valve is installed on the discharge pipe 31. Exhaust holes 32 are evenly opened at the upper position of the outer side of the barrel body 1, and a dustproof net is installed at the position of the exhaust hole 32.

[0036] In the technical solution adopted above, the material can enter the inner barrel 3 from the feed pipe 29, the discharge pipe 31 is used to discharge the dried material, and the exhaust hole 32 ensures the circulation of air flow inside the barrel body 1.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A raw material drying device for automobile parts injection molding, comprising a barrel (1), characterized in that: The top of the barrel body (1) is provided with a top cover (2), the inner side of the barrel body (1) is provided with an inner barrel (3), the outer wall of the inner barrel (3) is evenly provided with air inlet holes (4), a stirring shaft (5) is installed through the middle of the top cover (2), stirring rods (6) are evenly provided on the outer side of the stirring shaft (5), and the stirring rods (6) are located on the inner side of the inner barrel (3), an air guide frame (7) is fixedly connected to the outer wall of the barrel body (1), a first hot air blower (8) is installed through the outer wall of the air guide frame (7), and a plurality of air guide pipes (9) are installed through the inner side of the air guide frame (7) from top to bottom, The inner wall of the barrel body (1) is embedded with a plurality of air guide rings (10) from top to bottom, and a cavity is provided inside the air guide ring (10); one end of the air guide pipe (9) passes through the outer wall of the barrel body (1) and is connected to the cavity of the air guide ring (10); an annular opening connected to the cavity is provided on the inner side surface of the air guide ring (10); the air guide ring (10) is rotatably connected to an air outlet ring (11) through the annular opening; an air cavity is provided on the outer side surface of the air outlet ring (11), and the air cavity is connected to the cavity; and a plurality of exhaust holes (12) distributed in a circular array are provided on the inner side surface of the air outlet ring (11).

2. The raw material drying equipment for automobile parts injection molding according to claim 1 is characterized in that: Two adjacent air outlet rings (11) are fixedly connected via a plurality of fixing rods (13) distributed in a circular array; a movable ring (14) is rotatably mounted below the inner wall of the barrel body (1), and bevel teeth are evenly mounted on the bottom end of the movable ring (14); the top end of the movable ring (14) is fixedly connected to the lowest air outlet ring (11) via a plurality of connecting rods (15) distributed in a circular array; a first motor (16) is mounted on the outer wall of the barrel body (1), and one end of the output shaft of the first motor (16) movably passes through the outer wall of the barrel body (1) and is fixedly connected to a bevel gear (17); the bevel gear (17) is meshed with the bevel teeth at the bottom end of the movable ring (14).

3. The raw material drying equipment for automobile parts injection molding according to claim 1 is characterized in that: The top end of the stirring shaft (5) movably passes through the top cover (2); a driven gear (18) and a limit ring (22) are respectively sleeved on the outer side of the stirring shaft (5) at the top end surface and the bottom end surface of the top cover (2); a bracket (19) is installed at the top end of the top cover (2); a second motor (20) is installed at the top end of the bracket (19); and a driving gear (21) is fixedly connected to one end of the output shaft of the second motor (20); the driving gear (21) is meshed with the driven gear (18).

4. The raw material drying equipment for automobile parts injection molding according to claim 3 is characterized in that: The top end of the stirring shaft (5) is provided with an air induction groove (23), the stirring rod (6) is provided with a flow divider groove (24), and one end of the flow divider groove (24) is connected to the air induction groove (23), the top end of the stirring shaft (5) is rotatably connected to an air inlet pipe (25), one end of the air inlet pipe (25) is connected to a second hot air blower (26), and the second hot air blower (26) is installed on the top end of the top cover (2).

5. The raw material drying equipment for automobile parts injection molding according to claim 4 is characterized in that: The outer surface of the stirring rod (6) is provided with a plurality of strip grooves, and the inner side of the strip groove is provided with a plurality of air holes (27) connected with the diversion groove (24), and a filter strip (28) is installed at the opening of the strip groove.

6. The raw material drying equipment for automobile parts injection molding according to claim 1 is characterized in that: A feed pipe (29) is provided through the top of the top cover (2), and the bottom of the feed pipe (29) is located above the inner barrel (3); a plurality of support legs (30) are installed at the edge of the bottom end of the barrel body (1); a discharge pipe (31) is installed through the middle of the bottom end of the barrel body (1), and a valve is installed on the discharge pipe (31); exhaust holes (32) are evenly arranged at the upper position of the outer side of the barrel body (1), and a dustproof net is installed at the position of the exhaust hole (32).