Punching device for electric bicycle plastic part production

Abstract

The utility model discloses a punching device for electric bicycle plastic part production, which relates to the technical field of electric bicycle production and processing and comprises a punching machine device base, a back supporting rib plate vertically arranged at the top end of the punching machine device base is fixed at the top end of the punching machine device base, and a top supporting plate is fixed at the top end of the back supporting rib plate. A pneumatic cylinder is fixedly mounted at the top end of the top supporting plate, a piston rod extends downwards from the pneumatic cylinder, and a punching box is arranged at the bottom end of the piston rod. A to-be-punched electric bicycle plastic part is clamped and fixed through a positioning clamping plate and a movable clamping jaw, a plurality of punching drills vertically arranged at the bottom end of a punching box at the bottom end of the punching box move downwards, lug plates at different positions of the surface of the electric bicycle plastic part are punched at the same time, and therefore multiple holes in different positions can be punched through one-time installation; therefore, production efficiency is improved, and dismounting times of electric bicycle plastic parts are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycle production and processing, and particularly relates to a punching device for the production of electric bicycle plastic parts. Background Technique

[0002] Electric bicycle plastic parts refer to the plastic parts used on electric bicycles. These plastic parts usually include the vehicle shell, fender, handlebar grip, footrest, battery box, etc. Due to its light weight, corrosion resistance, easy processing and low cost, plastic is widely used in the manufacture of electric bicycles. When selecting electric bicycle plastic parts, the following factors need to be considered:

[0003] Material: Different plastic materials have different properties. For example, polypropylene (PP) has good impact resistance and chemical resistance, while polycarbonate (PC) has excellent strength and transparency.

[0004] Strength and durability: Electric bicycle plastic parts should have sufficient strength and durability to withstand the impacts and wear during daily use.

[0005] Weather resistance: Plastic parts should have good weather resistance and be able to maintain stable performance under different climate conditions, and are not prone to aging, color change or deformation.

[0006] Safety: The design and materials of plastic parts should comply with relevant safety standards and pose no threat to riders and other road users.

[0007] Aesthetic property: The design and color of plastic parts should be coordinated with the overall appearance of the electric bicycle to enhance the aesthetics of the vehicle. In short, electric bicycle plastic parts play an important role in the manufacture of electric bicycles. Selecting suitable plastic parts can improve the performance, safety and aesthetics of electric bicycles.

[0008] At present, during the production and manufacturing process of an electric bicycle fender, for example, it is necessary to open holes on the surface of the ear plate of the fender so that the fender can be fixedly installed on the electric bicycle through the opened holes during use. Currently, the existing punching device for electric bicycle plastic parts can only punch one hole at a time during use, while there are often multiple holes on the surface of the electric bicycle fender. During the punching process of the electric bicycle fender, it is necessary to disassemble and assemble multiple times to change the installation position of the fender, and the operation of punching different positions on the surface of the electric bicycle fender is very troublesome. Therefore, a punching device for the production of electric bicycle plastic parts is required. Content of the Utility Model

[0009] In view of this, the purpose of the present utility model is to provide a punching device for the production of plastic parts of electric bicycles, so as to solve the current technical problem that during the production and manufacturing process of, for example, the mudguard of an electric bicycle, it is necessary to open holes on the surface of the ear plate of the mudguard so that the mudguard can be fixedly installed on the electric bicycle through the opened holes during use. The existing punching devices for plastic parts of electric bicycles can only punch one hole at a time during use, while there are often multiple holes on the surface of the mudguard of an electric bicycle. During the hole punching process of the mudguard of an electric bicycle, it is necessary to disassemble and assemble multiple times to change the installation position of the mudguard, and the operation of punching holes at different positions on the surface of the mudguard of an electric bicycle is very troublesome.

[0010] To achieve the above purpose, the present utility model is realized through the following technical solutions:

[0011] A punching device for the production of plastic parts of an electric bicycle, including a punching machine device base. The top of the punching machine device base is fixed with a back support rib plate standing upright on the top of the punching machine device base. The top of the back support rib plate is fixed with a top support plate. The top of the top support plate is fixedly installed with a pneumatic cylinder. The pneumatic cylinder extends downward with a piston rod. The bottom end of the piston rod is provided with a punching box. The bottom end of the punching box is provided with a plurality of punching drills standing upright on the bottom end of the punching box;

[0012] The top of the punching machine device base is provided with a positioning clamp plate and a movable claw movably arranged on the top of the punching machine device base.

[0013] As a preferred technical solution of the present utility model, the top of the punching box is fixedly installed with a servo motor II. A transmission box is opened inside the punching box. Two rotating shafts are rotatably connected inside the transmission box of the punching box. The top end of each rotating shaft is rotatably connected to the inner top end and the inner bottom end of the transmission box inner wall of the punching box through bearings. A belt pulley is installed on the surface of each rotating shaft. A synchronous conveyor belt is installed between the belt pulleys on the surfaces of adjacent two rotating shafts. One of the rotating shafts is driven to rotate by the servo motor II. Each punching drill is fixedly connected to the bottom end of the corresponding rotating shaft.

[0014] As a preferred technical solution of the present utility model, an activity sliding cavity is arranged inside the punching machine device base. A threaded lead screw is rotatably connected to the inner wall of the activity sliding cavity. One end of the threaded lead screw is driven to rotate by a servo motor I. The servo motor I is fixed on the outer wall surface of the punching machine device base. A linear sliding hole communicating with the activity sliding cavity is opened on the top of the punching machine device base. An activity slider is slidably connected inside the linear sliding hole. A threaded hole threadedly connected to the threaded lead screw is opened at the bottom end of the activity slider. The threaded hole at the bottom end of the activity slider is threadedly connected to the surface of the threaded lead screw. The movable claw is fixed to the top end of the activity slider.

[0015] As a preferred technical solution of the present utility model, an adjusting bolt is rotatably connected to the bottom of the back support rib plate near the top surface of the base of the punching machine device, and the positioning clamping plate is fixed to the top end of the adjusting bolt.

[0016] As a preferred technical solution of the present utility model, a plastic part support bracket is fixedly installed on the surface of the positioning clamping plate. An arc surface that fits the surface contour of the plastic parts of the electric bicycle is provided on the surface of the plastic part support bracket. A number of locking screws are connected between the plastic part support bracket and the positioning clamping plate for locking and fixing.

[0017] As a preferred technical solution of the present utility model, a plastic part pressing bracket is fixedly installed on the surface of the movable clamping jaw. An arc surface that fits the surface contour of the plastic parts of the electric bicycle is provided on the surface of the plastic part pressing bracket. A number of locking screws are connected between the plastic part pressing bracket and the movable clamping jaw for locking and fixing.

[0018] The top end of the base of the punching machine device of the present utility model is fixed with a back support rib plate standing upright on the top end of the base of the punching machine device. The top end of the back support rib plate is fixed with a top support plate. A pneumatic cylinder is fixedly installed on the top end of the top support plate. The pneumatic cylinder extends downward with a piston rod. The bottom end of the piston rod is provided with a punching box. The bottom end of the punching box is provided with a plurality of punching drills standing upright on the bottom end of the punching box;

[0019] The top end of the base of the punching machine device is provided with a positioning clamping plate and a movable clamping jaw movably arranged on the top end of the base of the punching machine device. By installing the plastic parts of the electric bicycle to be punched between the positioning clamping plate and the movable clamping jaw, the plastic parts of the electric bicycle to be punched are clamped and fixed by the positioning clamping plate and the movable clamping jaw. The plurality of punching drills standing upright on the bottom end of the punching box move downward, and at the same time, the ear plates at different positions on the surface of the plastic parts of the electric bicycle are punched, so as to realize punching of a plurality of holes at different positions at one installation, thereby improving the production efficiency and reducing the disassembly and assembly times of the plastic parts of the electric bicycle.

[0020] The present utility model fixedly installs a plastic part support bracket on the surface of the positioning clamping plate. An arc surface that fits the surface contour of the plastic parts of the electric bicycle is provided on the surface of the plastic part support bracket. A plastic part pressing bracket is fixedly installed on the surface of the movable clamping jaw. An arc surface that fits the surface contour of the plastic parts of the electric bicycle is provided on the surface of the plastic part pressing bracket, which is convenient for firmly installing and clamping the plastic parts of the electric bicycle to be punched, so that the plastic parts of the electric bicycle to be punched are more firm and reliable during the punching process.

[0021] The utility model is provided with movable jaws which can be adjusted movably at the top end of the base of the punching device. The movable jaws are driven by an independent servo motor 1 to move reciprocally, so as to automatically clamp the plastic parts of the electric bicycle, improve the installation firmness of the plastic parts of the electric bicycle, and the installation position of the positioning clamping plate can be adjusted by an adjusting bolt, so as to realize the adjustment of the installation position of the plastic parts of the electric bicycle.

[0022] Other advantages, objectives and features of the utility model will be described to some extent in the subsequent description, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the utility model. The objectives and other advantages of the utility model can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a front view structural schematic diagram of the punching device for producing plastic parts of an electric bicycle according to the utility model;

[0024] Figure 2 is a front view structural schematic diagram of the punching device for producing plastic parts of an electric bicycle according to the utility model;

[0025] Figure 3 is a sectional structural schematic diagram of the punching box according to the utility model;

[0026] Figure 4 is a structural schematic diagram of the plastic parts of an electric bicycle according to the utility model;

[0027] In the figure: plastic part support bracket 1, back support rib plate 2, air cylinder 3, top support plate 4, piston rod 5, punching box 6, punching drill 7, positioning clamping plate 8, locking screw 9, adjusting bolt 10, linear sliding hole 11, movable sliding cavity 12, threaded lead screw 13, movable slider 14, servo motor 1 15, punching device base 16, movable jaw 17, plastic part pressing bracket 18, servo motor 2 19, synchronous conveyor belt 20, belt pulley 21, rotating shaft 22, bearing 23. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the objectives, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the utility model. The components of the embodiments of the utility model described and illustrated herein can be arranged and designed in various different configurations.

[0029] Accordingly, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0030] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the above description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "one side" and "the other side" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance.

[0032] In addition, terms such as "the same" do not mean that the components must be absolutely the same, but there may be slight differences. The term "vertical" only means that the positional relationship between components is relatively more vertical compared to "parallel", and does not mean that the structure must be completely vertical, but can be slightly inclined. Embodiment 1

[0033] Please refer to Figures 1-4 , a technical solution provided by the present invention: a punching device for producing plastic parts of an electric bicycle, including a punching machine device base 16, a back support rib 2 standing upright at the top of the punching machine device base 16 is fixed to the top of the punching machine device base 16, a top support plate 4 is fixed to the top of the back support rib 2, a pneumatic cylinder 3 is fixedly installed on the top of the top support plate 4, a piston rod 5 extends downward from the pneumatic cylinder 3, a punching box 6 is arranged at the bottom end of the piston rod 5, and a plurality of punching drills 7 standing upright at the bottom end of the punching box 6 are arranged at the bottom end of the punching box 6;

[0034] A positioning clamping plate 8 is arranged at the top of the punching machine device base 16, and a movable clamping jaw 17 is movably arranged at the top of the punching machine device base 16.

[0035] Specifically, in this embodiment, a back support rib plate standing upright on the top end of the base of the punching machine device of the present utility model is fixed. The top end of the back support rib plate is fixed with a top support plate, and a pneumatic cylinder is fixedly installed on the top end of the top support plate. A piston rod extends downward from the pneumatic cylinder, and a punching box is arranged at the bottom end of the piston rod. Multiple punching drills standing upright on the bottom end of the punching box are arranged at the bottom end of the punching box.

[0036] A positioning clamping plate is arranged at the top end of the base of the punching machine device, and a movable clamping jaw is movably arranged at the top end of the base of the punching machine device. By installing the plastic part of the electric bicycle to be punched between the positioning clamping plate and the movable clamping jaw, the plastic part of the electric bicycle to be punched is clamped and fixed by the positioning clamping plate and the movable clamping jaw. Through the downward movement of the multiple punching drills standing upright on the bottom end of the punching box, the ear plates at different positions on the surface of the plastic part of the electric bicycle are punched simultaneously, so as to realize punching multiple holes at different positions at one installation, thereby improving the production efficiency and reducing the disassembly and assembly times of the plastic part of the electric bicycle.

[0037] A servo motor II 19 is fixedly installed at the top end of the punching box 6. A transmission box is opened inside the punching box 6. Two rotating shafts 22 are rotatably connected in the transmission box of the punching box 6. The top end of each rotating shaft 22 is rotatably connected to the inner wall top end and the inner wall bottom end of the transmission box of the punching box 6 through a bearing 23. A belt pulley 21 is installed on the surface of each rotating shaft 22. A synchronous conveyor belt 20 is installed between the belt pulleys 21 on the surfaces of two adjacent rotating shafts 22. One of the rotating shafts 22 is driven to rotate by the servo motor II 19, and each punching drill 7 is fixedly connected to the bottom end of the corresponding rotating shaft 22. By driving one of the rotating shafts 22 to rotate by the servo motor II 19 and driving each rotating shaft 22 through the synchronous conveyor belt 20, each punching drill 7 is driven to rotate. During the process of punching the plastic part of the electric bicycle to be punched below by moving the punching box downward, by driving each punching drill 7 to rotate by the servo motor II 19, the effect that the punching drill 7 also has drilling during the punching process is realized, so as to effectively improve the punching efficiency, reduce the flanging amount at the bottom of the ear plate during the punching process, reduce the force on the surface of the ear plate during the punching process, and reduce the deformation amount of the ear plate during the punching process. Embodiment 2

[0038] Please refer to Figures 1-4 , another technical solution provided by the present utility model. This embodiment has the same parts as the above Embodiment 1, and the same parts will not be elaborated in this embodiment. The specific differences are as follows:

[0039] At the top of the base of the punching machine device of the present utility model, a back support rib plate standing upright on the top of the base of the punching machine device is fixed. At the top of the back support rib plate, a top support plate is fixed. At the top of the top support plate, a pneumatic cylinder is fixedly installed. The pneumatic cylinder extends downward with a piston rod. At the bottom end of the piston rod, a punching box is provided. At the bottom end of the punching box, a plurality of punching drills standing upright on the bottom end of the punching box are provided.

[0040] At the top of the base of the punching machine device, a positioning clamping plate and a movable clamping jaw movably arranged on the top of the base of the punching machine device are provided. By installing the plastic part of the electric bicycle to be punched between the positioning clamping plate and the movable clamping jaw, the plastic part of the electric bicycle to be punched is clamped and fixed by the positioning clamping plate and the movable clamping jaw. Through the downward movement of the plurality of punching drills standing upright on the bottom end of the punching box, the ear plates at different positions on the surface of the plastic part of the electric bicycle are punched simultaneously, so as to realize punching of a plurality of holes at different positions in one installation, thereby improving the production efficiency and reducing the disassembly and assembly times of the plastic parts of the electric bicycle.

[0041] An active sliding cavity 12 is arranged inside the base 16 of the punching machine device. A threaded lead screw 13 is rotatably connected to the inner wall of the active sliding cavity 12. One end of the threaded lead screw 13 is driven to rotate by a servo motor 15. The servo motor 15 is fixed on the outer wall surface of the base 16 of the punching machine device. A linear sliding hole 11 communicating with the inside of the active sliding cavity 12 is opened at the top of the base 16 of the punching machine device. An active sliding block 14 is slidably connected in the linear sliding hole 11. A threaded hole threadedly connected to the threaded lead screw 13 is opened at the bottom end of the active sliding block 14. The threaded hole at the bottom end of the active sliding block 14 is threadedly connected to the surface of the threaded lead screw 13. The movable clamping jaw 17 is fixed to the top end of the active sliding block 14.

[0042] A regulating bolt 10 is rotatably connected to the bottom of the back support rib plate 2 near the top surface of the base 16 of the punching machine device. The positioning clamping plate 8 is fixed to the top end of the regulating bolt 10.

[0043] A plastic part support bracket 1 is fixedly installed on the surface of the positioning clamping plate 8. An arc surface fitting the surface contour of the plastic part of the electric bicycle is arranged on the surface of the plastic part support bracket 1. A plurality of locking screws 9 are connected between the plastic part support bracket 1 and the positioning clamping plate 8 for locking and fixing.

[0044] A plastic part pressing bracket 18 is fixedly installed on the surface of the movable clamping jaw 17. An arc surface fitting the surface contour of the plastic part of the electric bicycle is arranged on the surface of the plastic part pressing bracket 18. A plurality of locking screws 9 are connected between the plastic part pressing bracket 18 and the movable clamping jaw 17 for locking and fixing.

[0045] In the present utility model, a plastic part support bracket is fixedly installed on the surface of the positioning clamping plate. An arc surface that fits the surface contour of the plastic part of the electric bicycle is provided on the surface of the plastic part support bracket. A plastic part pressing bracket is fixedly installed on the surface of the movable clamping jaw. An arc surface that fits the surface contour of the plastic part of the electric bicycle is provided on the surface of the plastic part pressing bracket, which facilitates the firm installation and clamping of the plastic part of the electric bicycle to be punched, so that the plastic part of the electric bicycle to be punched is more firm and reliable during the punching process.

[0046] In the present utility model, a movable clamping jaw that can be adjusted movably is provided at the top of the base of the punching machine device. The movable clamping jaw is driven to move reciprocally by an independent servo motor 1, so as to realize the automatic clamping of the plastic part of the electric bicycle, improve the installation firmness of the plastic part of the electric bicycle. The installation position of the positioning clamping plate can be adjusted by adjusting bolts. The adjusting bolts are threadedly connected with the back support rib plate, so as to realize the adjustment of the installation position of the plastic part of the electric bicycle.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A punching device for producing plastic parts of an electric bicycle, comprising a punching machine device base (16), characterized in that: At the top of the base (16) of the punching machine device, a back support rib plate (2) standing upright on the top of the base (16) of the punching machine device is fixed. At the top of the back support rib plate (2), a top support plate (4) is fixed. At the top of the top support plate (4), a pneumatic cylinder (3) is fixedly installed. The pneumatic cylinder (3) extends downward with a piston rod (5). At the bottom end of the piston rod (5), a punching box (6) is provided. At the bottom end of the punching box (6), a plurality of punching drills (7) standing upright on the bottom end of the punching box (6) are provided. At the top of the base (16) of the punching machine device, a positioning clamping plate (8) is provided, and a movable clamping jaw (17) movably arranged on the top of the base (16) of the punching machine device.

2. The punching device for producing plastic parts of an electric bicycle according to claim 1, wherein: At the top of the punching box (6), a servo motor two (19) is fixedly installed. Inside the punching box (6), a transmission box is provided. Inside the transmission box of the punching box (6), two rotating shafts (22) are rotatably connected. At the top of each rotating shaft (22), it is rotatably connected to the inner wall top end and the inner wall bottom end of the transmission box of the punching box (6) through bearings (23). On the surface of each rotating shaft (22), a belt pulley (21) is installed. Between the belt pulleys (21) on the surfaces of adjacent two rotating shafts (22), a synchronous conveyor belt (20) is installed. One of the rotating shafts (22) is driven to rotate by the servo motor two (19). Each punching drill (7) is fixedly connected to the bottom end of the corresponding rotating shaft (22).

3. The punching device for producing plastic parts of an electric bicycle according to claim 1, characterized in that: Inside the base (16) of the punching machine device, a movable sliding cavity (12) is provided. Inside the inner wall of the movable sliding cavity (12), a threaded lead screw (13) is rotatably connected. One end of the threaded lead screw (13) is driven to rotate by a servo motor one (15). The servo motor one (15) is fixed on the outer wall surface of the base (16) of the punching machine device. On the top of the base (16) of the punching machine device, a linear sliding hole (11) communicating with the inside of the movable sliding cavity (12) is provided. Inside the linear sliding hole (11), a movable slider (14) is slidably connected. At the bottom end of the movable slider (14), a threaded hole threadedly connected to the threaded lead screw (13) is provided. The threaded hole at the bottom end of the movable slider (14) is threadedly connected to the surface of the threaded lead screw (13). The movable clamping jaw (17) is fixed to the top of the movable slider (14).

4. The punching device for producing plastic parts of an electric bicycle according to claim 1, characterized in that: At the bottom of the back support rib plate (2) near the top surface of the base (16) of the punching machine device, an adjusting bolt (10) is rotatably connected. The positioning clamping plate (8) is fixed to the top end of the adjusting bolt (10).

5. The punching device for producing plastic parts of an electric bicycle according to claim 4, characterized in that: On the surface of the positioning clamping plate (8), a plastic part support bracket (1) is fixedly installed. On the surface of the plastic part support bracket (1), an arc surface fitting the surface contour of the plastic part of the electric bicycle is provided. Between the plastic part support bracket (1) and the positioning clamping plate (8), a plurality of locking screws (9) are connected and locked and fixed.

6. The punching device for producing plastic parts of an electric bicycle according to claim 3, characterized in that: A plastic part pressing bracket (18) is fixedly installed on the surface of the movable jaw (17). An arc surface that fits the surface contour of the plastic part of the electric bicycle is provided on the surface of the plastic part pressing bracket (18). A number of locking screws (9) are connected between the plastic part pressing bracket (18) and the movable jaw (17) for locking and fixing.

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