Robot driving wheel integrally formed by injection molding of novel composite material

Abstract

The utility model belongs to the technical field of driving wheels, in particular to a novel robot driving wheel integrally formed by composite material injection molding, which comprises a driving wheel body, one side of the driving wheel body is provided with a bearing hole, the surface of the driving wheel body is fixedly provided with a plurality of driving teeth, and the driving teeth are arranged in the bearing hole. The driving wheel body is made of a polyphenylene sulfide material, and a plurality of reinforcing ribs are fixedly mounted on the surface of the driving wheel body; by arranging the driving wheel body made of polyphenylene sulfide, the driving wheel is high in bearing capacity, high in landing force, accurate in differential control and high in direction precision, the direction precision and the movement efficiency of the wheeled mobile robot running in a complex environment are further improved, and the service life of the wheeled mobile robot is prolonged. The problem that steering is not accurate enough due to the fact that slipping and differential accuracy failure easily occur on some slope road surfaces, rubber elastic road surfaces and the like is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drive wheels, in particular to a robot drive wheel integrally formed by injection molding of a new composite material. Background Technique

[0002] The robot drive wheel is a key component used to drive the movement of the robot in the robot system. It is usually installed at the bottom of the robot and converts power into mechanical energy through a transmission mechanism to drive the robot to move forward, backward or turn.

[0003] Differential drive is a common wheeled robot. It usually consists of two drive wheels and a steering wheel. The drive wheels cannot rely on rotation to change direction. It mainly relies on the precise speed difference between the left and right drive wheels to control the direction and turning of the robot. Since the differential drive can only control the differential speed of the two wheels, on some slope roads, rubber elastic roads, etc., it is prone to slipping and the differential accuracy fails, resulting in inaccurate steering. The drive wheel made of polyphenylene sulfide has strong bearing capacity, strong ground contact force of the drive wheel, precise differential control, and high direction accuracy, which further improves the direction accuracy and movement efficiency of the wheeled mobile robot in complex environments. Therefore, a robot drive wheel integrally formed by injection molding of a new composite material is proposed. Summary of the Utility Model

[0004] In order to make up for the deficiencies of the prior art, in some slope roads, rubber elastic roads, etc., it is prone to slipping and the differential accuracy fails, resulting in inaccurate steering. The utility model proposes a robot drive wheel integrally formed by injection molding of a new composite material.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a robot drive wheel integrally formed by injection molding of a new composite material, including a drive wheel body. A bearing hole is opened on one side of the drive wheel body. Drive teeth are fixedly installed on the surface of the drive wheel body. The number of the drive teeth is several. The drive wheel body is made of polyphenylene sulfide material.

[0006] Preferably, reinforcing ribs are fixedly installed on the surface of the drive wheel body. The number of the reinforcing ribs is several.

[0007] Preferably, a shaft rod is slidably connected to the inner cavity of the bearing hole. A fixing plate is fixedly installed on the surface of the shaft rod. The surface of the fixing plate is in contact with one side of the drive wheel body. A baffle is slidably connected to the surface of the shaft rod. The surface of the baffle is in contact with the other side of the drive wheel body.

[0008] Preferably, a support block is fixedly installed inside the drive wheel body. A guide groove is opened on the surface of the support block.

[0009] Preferably, docking holes are formed on both sides of the driving wheel body, and docking blocks are fixedly installed on the surfaces of the baffle plate and the fixing plate. The surface of the docking block is slidably connected to the inner cavity of the docking hole.

[0010] Preferably, fixing holes are formed on the surfaces of the fixing plate and the mounting plate. Nuts are fixedly installed on the inner walls of the fixing holes. Bolts are rotatably connected to the inner cavities of the fixing holes, and the surfaces of the bolts are threadedly connected to the inner cavities of the threads.

[0011] Preferably, a counterpiece mounting hole is formed on the surface of the driving wheel body, and the number of the counterpiece mounting holes is several.

[0012] The beneficial effects of the present utility model are as follows:

[0013] By providing a driving wheel body made of polyphenylene sulfide, the present utility model not only has strong bearing capacity, but also has strong driving wheel ground contact force, accurate differential control, and high direction accuracy. It further improves the direction accuracy and movement efficiency of the wheeled mobile robot when operating in a complex environment, and solves the problems of easy slipping, failure of differential accuracy, and inaccurate steering on some slope roads, rubber elastic roads, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0016] Figure 2 It is an exploded structural diagram of the baffle plate and the driving wheel body of the present utility model;

[0017] Figure 3 It is for the present utility model Figure 2 The enlarged view of part A;

[0018] Figure 4 It is a schematic structural diagram of the stopper, the fixing plate and the shaft rod of the present utility model.

[0019] In the figure: 1, driving wheel body; 2, bearing hole; 3, driving tooth; 4, reinforcing rib; 5, shaft rod; 6, fixing plate; 7, baffle plate; 8, support block; 9, guiding groove; 10, docking hole; 11, docking block; 12, fixing hole; 13, nut; 14, bolt; 15, counterpiece mounting hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model 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 of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] The following will further elaborate on this application Figures 1-4 in further detail.

[0022] The embodiments of this application disclose a robot drive wheel integrally formed by injection molding of a new composite material. Refer to Figure 1 , a robot drive wheel integrally formed by injection molding of a new composite material, including a drive wheel body 1. A bearing hole 2 is provided on one side of the drive wheel body 1. A plurality of drive teeth 3 are fixedly installed on the surface of the drive wheel body 1. The drive wheel body 1 is made of polyphenylene sulfide material.

[0023] Refer to Figure 1 , a plurality of reinforcing ribs 4 are fixedly installed on the surface of the drive wheel body 1. By providing the reinforcing ribs 4, the function of the reinforcing ribs 4 is to enhance the strength and stiffness of the drive wheel body 1 and prevent deformation or damage when rotating at high speed or under a large load.

[0024] Refer to Figure 1 and Figure 3 , a shaft rod 5 is slidably connected to the inner cavity of the bearing hole 2. A fixing plate 6 is fixedly installed on the surface of the shaft rod 5. The surface of the fixing plate 6 is in contact with one side of the drive wheel body 1. A baffle 7 is slidably connected to the surface of the shaft rod 5. The surface of the baffle 7 is in contact with the other side of the drive wheel body 1. By providing the fixing plate 6 and the baffle 7, the drive wheel body 1 is installed on the surface of the shaft rod 5 through the bearing hole 2, so that one side of the drive wheel body 1 is in contact with the surface of the fixing plate 6. By slidingly connecting the baffle 7 to the surface of the shaft rod 5, the baffle 7 is in contact with the other side of the drive wheel body 1, thereby determining the installation position of the drive wheel body 1.

[0025] Refer to Figure 1 , a support block 8 is fixedly installed inside the drive wheel body 1. A guide groove 9 is provided on the surface of the support block 8. By providing the support block 8, the strength and stiffness of the drive wheel body 1 can be further increased, and deformation or damage of the drive wheel body 1 can be further avoided. By providing the guide groove 9, it is used to ensure that the components inside the drive teeth 3 can transmit power along a predetermined path, thereby achieving an accurate transmission effect.

[0026] Refer to Figure 2 and Figure 4, docking holes 10 are provided on both sides of the driving wheel body 1. Docking blocks 11 are fixedly installed on the surfaces of the baffle 7 and the fixing plate 6. The surface of the docking block 11 is slidably connected to the inner cavity of the docking hole 10. Through the threaded connection between the docking block 11 and the docking hole 10, the driving wheel body 1 can be accurately docked with the baffle 7 or the fixing plate 6, and at the same time, the contact area between the driving wheel body 1 and the baffle 7 and the fixing plate 6 is increased, further increasing the stability of the driving wheel body 1 fixed on the shaft rod 5;

[0027] Refer to Figure 3 and Figure 4 , fixing holes 12 are provided on the surfaces of the fixing plate 6 and the mounting plate. A nut 13 is fixedly installed on the inner wall of the fixing hole 12. A bolt 14 is rotatably connected to the inner cavity of the fixing hole 12. The surface of the bolt 14 is threadedly connected to the inner cavity of the thread. By providing the bolt 14 and the nut 13, the bolt 14 passes through the nut 13 and enters the inner cavity of the fixing hole 12, and the bolt 14 is threadedly connected to the nut 13, so that the position of the driving wheel body 1 can be fixed;

[0028] Refer to Figure 1 , a mating part mounting hole 15 is provided on the surface of the driving wheel body 1. The number of the mating part mounting holes 15 is several. By providing the mating part mounting hole 15, it is used to mount other components that cooperate with the driving wheel body 1, such as a reducer, etc.;

[0029] Working principle: The driving wheel body 1 is installed on the surface of the shaft rod 5 through the bearing hole 2, so that one side of the driving wheel body 1 contacts the surface of the fixed plate 6. The baffle 7 is slidably connected to the surface of the shaft rod 5, so that the baffle 7 contacts the other side of the driving wheel body 1, realizing the determination of the installation position of the driving wheel body 1. After determination, the bolt 14 passes through the nut 13 and enters the inner cavity of the fixing hole 12, and the bolt 14 is threadedly connected with the nut 13, which can fix the position of the driving wheel body 1. The inner side of the driving wheel body 1 is filled with the support block 8 and several reinforcing ribs 4, which can enhance the strength and stiffness of the driving wheel body 1, prevent deformation or damage when rotating at high speed or under large loads, so as to improve the stability and durability of the overall structure. The rack and the transmission parts are cored, so as to realize the driving of the parts by the driving wheel body 1. The driving wheel body 1 is made of polyphenylene sulfide. Polyphenylene sulfide is a thermoplastic special engineering plastic with excellent comprehensive performance, having an extremely high melting point and heat distortion temperature, and usually can maintain stable performance at a temperature exceeding 280°C. This enables the polyphenylene sulfide material to still maintain good mechanical properties and dimensional stability in a high-temperature environment, having high strength, high rigidity and good wear resistance, being able to withstand high loads and frictional forces, having an extremely low molding shrinkage rate and water absorption rate, ensuring the dimensional accuracy of the parts during manufacturing and use. It not only has strong bearing capacity, but also has strong driving wheel ground contact force, accurate differential control and high direction accuracy, further improving the direction accuracy and movement efficiency of the wheeled mobile robot when operating in a complex environment.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A new type of composite material injection-molded one-piece robot driving wheel, characterized in that: The invention comprises a driving wheel body (1), a bearing hole (2) is provided on one side of the driving wheel body (1), driving teeth (3) are fixedly mounted on the surface of the driving wheel body (1), the number of the driving teeth (3) is several, and the driving wheel body (1) is made of polyphenylene sulfide material.

2. The novel composite material injection-molded integrally formed robot driving wheel according to claim 1 is characterized in that: Reinforcing ribs (4) are fixedly mounted on the surface of the driving wheel body (1), and the number of the reinforcing ribs (4) is several.

3. The novel composite material injection-molded integrally formed robot driving wheel according to claim 1 is characterized in that: The inner cavity of the bearing hole (2) is slidably connected to a shaft rod (5), a fixing plate (6) is fixedly mounted on the surface of the shaft rod (5), the surface of the fixing plate (6) is in contact with one side of the driving wheel body (1), and the surface of the shaft rod (5) is slidably connected to a baffle plate (7), the surface of the baffle plate (7) is in contact with the other side of the driving wheel body (1).

4. The novel composite material injection-molded integrally formed robot driving wheel according to claim 1 is characterized in that: A support block (8) is fixedly mounted on the inner side of the driving wheel body (1), and a guide groove (9) is provided on the surface of the support block (8).

5. The novel composite material injection-molded integrally formed robot driving wheel according to claim 3 is characterized in that: Both sides of the driving wheel body (1) are provided with docking holes (10); the surfaces of the baffle plate (7) and the fixing plate (6) are fixedly mounted with docking blocks (11); the surface of the docking block (11) is slidably connected to the inner cavity of the docking hole (10).

6. The novel composite material injection-molded integrally formed robot driving wheel according to claim 3 is characterized in that: The surfaces of the fixing plate (6) and the mounting plate are provided with fixing holes (12), the inner wall of the fixing hole (12) is fixedly mounted with a nut (13), the inner cavity of the fixing hole (12) is rotatably connected with a bolt (14), and the surface of the bolt (14) is threadedly connected with the inner cavity of the thread.

7. The novel composite material injection-molded integrally formed robot driving wheel according to claim 1 is characterized in that: The surface of the driving wheel body (1) is provided with a pair of mounting holes (15), and the pair of mounting holes (15) is a plurality of holes.

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