New energy motor O-shaped ring trimming equipment

Abstract

The utility model relates to the technical field of O-shaped rings, in particular to new energy motor O-shaped ring trimming equipment which comprises a machine box, a trimming mechanism is arranged on one side of the top of the machine box, an L-shaped frame is arranged at one end of the machine box, an electric cylinder is installed on the top of the L-shaped frame, and a pressing disc is rotatably installed at the output end of the electric cylinder through a bearing. A rotating disc rotationally installed on the machine box is arranged under the pressing disc, a bottom cylinder is installed at the top of the rotating disc through a connecting rod, and a circle center finding mechanism is arranged in the bottom cylinder. Through the arrangement of the circle center finding mechanism, the O-shaped ring is placed on the top of the bottom cylinder, then the hand wheel is screwed, the four arc-shaped plates can be far away from one another and make contact with the inner wall of the O-shaped ring, the circle center is found automatically, after the O-shaped ring is aligned to the center of the bottom cylinder, the electric cylinder drives the pressing disc to descend, and the O-shaped ring is clamped between the pressing disc and the bottom cylinder to be fixed. Through automatic circle center finding, the accuracy is higher, the circle finding speed is higher, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of O-ring, in particular to a trimming device for O-ring of new energy motor. Background Technique

[0002] An electric vehicle refers to a vehicle powered by an on-board power supply and driven by an electric motor, meeting the requirements of road traffic and safety regulations. Due to its relatively smaller environmental impact compared to traditional vehicles, its prospects are widely optimistic. Among the core components of new energy vehicles, there are three mainstream motor types, including DC motors, asynchronous motors, and permanent magnet synchronous motors;

[0003] The main functions of the motor O-ring seal are: 1. Prevent water ingress; 2. Prevent foreign matters such as dust from entering; 3. Prevent lubricating oil leakage. When processing existing O-ring seals, the outer side of the formed seal needs to be deburred and trimmed.

[0004] Chinese Utility Model Publication No.: CN217834413U includes a base, an extrusion fixing structure, and a cutting structure. The extrusion fixing structure is arranged on the base, and the cutting structure is arranged on the base. The extrusion fixing structure includes a support frame, a fixing head, a rotating seat, a hydraulic lifting extruder, a first fixing disk, a fixing seat, a motor, a rotating shaft, a rotating sleeve, and a second fixing disk. The support frame is arranged on the fixing head, the fixing head is arranged on the support frame, the rotating seat is rotatably arranged on the fixing head, the hydraulic lifting extruder is arranged on the rotating seat, and the first fixing disk is arranged on the hydraulic lifting extruder. The utility model belongs to the technical field of rubber product equipment, and specifically refers to a seal trimming machine, which effectively solves the problems that the seal trimming machine in the current market can only cut single-type seals, has a high usage limitation, and at the same time cannot effectively apply pressure evenly for fixation, easily causing local extrusion deformation and affecting the trimming effect.

[0005] The applicant found that there are some deficiencies in the use of this patent: "Specifically during use, when the user uses this device, first place the seal at the center position of the second fixing disk to align." Since manual alignment is required, it is not accurate enough at first, there are errors, affecting the trimming quality, and manual alignment requires consuming more time to find the center of the circle, affecting efficiency.

[0006] Therefore, the utility model designs a trimming device for O-ring of new energy motor to solve the problems existing in the prior art. Content of the Utility Model

[0007] The purpose of the utility model is to provide a trimming device for O-ring of new energy motor to solve the problems raised in the above background technique.

[0008] To achieve the above object, the present utility model provides the following technical solution: A trimming device for an O-ring of a new energy motor, comprising: a chassis, a trimming mechanism is provided on one side of the top of the chassis, an L-shaped frame is provided at one end of the chassis, an electric cylinder is installed on the top of the L-shaped frame, the output end of the electric cylinder is rotatably installed with a pressure plate through a bearing, a turntable rotatably installed with the chassis is provided directly below the pressure plate, a bottom cylinder is installed on the top of the turntable through a connecting rod, and a center-finding mechanism is provided inside the bottom cylinder.

[0009] Preferably, the center-finding mechanism includes a connecting shaft rotatably installed at the center of the bottom of the bottom cylinder, a first bevel gear is installed on the top of the connecting shaft, screw rods are rotatably installed on the inner walls around the bottom cylinder, a second bevel gear meshing with the first bevel gear is installed at one end of each screw rod, an arc-shaped plate is slidably installed on the outer side wall of each screw rod through a thread, the arc-shaped plate is slightly higher than the bottom cylinder, by rotating the connecting shaft to make the first bevel gear rotate, and making the screw rods rotate through the second bevel gears, the four arc-shaped plates can be made to move away from each other and contact the inner wall of the rubber ring to automatically find the center.

[0010] Preferably, a guide block is installed at the bottom of the arc-shaped plate, and a guide groove slidably connected with the guide block is opened on the inner wall of the bottom of the bottom cylinder. The guide rod slides in the guide groove to limit the position of the arc-shaped plate.

[0011] Preferably, a handwheel is installed at the bottom of the connecting shaft, which is convenient for the staff to rotate the connecting shaft.

[0012] Preferably, the trimming mechanism includes a vertical plate installed on one side of the top of the chassis, an electric push rod is installed on the vertical plate, an L-shaped plate is installed at the output end of the electric push rod, a grinding machine is provided on the inner wall of the top of the L-shaped plate, and the bottom of the grinding machine is flush with the top of the bottom cylinder. The electric push rod drives the L-shaped plate to move, which can adjust the position of the grinding machine and is convenient for grinding O-rings with different diameters.

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

[0014] Through the setting of the center-finding mechanism of the present utility model, the O-ring is placed on the top of the bottom cylinder, and then the handwheel is turned to make the connecting shaft drive the first bevel gear to rotate, make the second bevel gears rotate and drive the screw rods to rotate, so that the four arc-shaped plates can move away from each other and contact the inner wall of the O-ring to automatically find the center. After the O-ring is aligned with the center of the bottom cylinder, the electric cylinder drives the pressure plate to descend, and the O-ring is clamped and fixed between the pressure plate and the bottom cylinder. Through automatic center finding, firstly, the accuracy is higher, and the speed of finding the circle is faster, improving the efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view schematic diagram of the present utility model;

[0016] Figure 2 Schematic structural diagram of the center-finding mechanism of the present utility model;

[0017] Figure 3 of the present utility model Figure 2 Enlarged schematic diagram of the structure at position A;

[0018] Figure 4 Bottom view schematic diagram of the present utility model.

[0019] In the figure: 1, chassis; 2, trimming mechanism; 3, L-shaped frame; 4, electric cylinder; 5, pressure plate; 6, turntable; 7, connecting rod; 8, bottom cylinder; 9, center-finding mechanism; 201, vertical plate; 202, electric push rod; 203, L-shaped plate; 204, grinding machine; 901, connecting shaft; 902, bevel gear 1; 903, screw; 904, bevel gear 2; 905, arc plate; 906, guide block; 907, guide groove; 908, handwheel. Specific implementation mode

[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 of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a trimming device for an O-ring of a new energy motor, including: a chassis 1, a trimming mechanism 2 is provided on one side of the top of the chassis 1, an L-shaped frame 3 is provided at one end of the chassis 1, an electric cylinder 4 is installed on the top of the L-shaped frame 3, the output end of the electric cylinder 4 is rotatably installed with a pressure plate 5 through a bearing, a turntable 6 rotatably installed with the chassis 1 is provided directly below the pressure plate 5, a bottom cylinder 8 is installed on the top of the turntable 6 through a connecting rod 7, a center-finding mechanism 9 is provided inside the bottom cylinder 8, a driving motor is provided inside the chassis 1, and the output end of the driving motor is connected to the center of the bottom of the turntable.

[0022] Please refer to Figures 2-3 , in this embodiment: the center-finding mechanism 9 includes a connecting shaft 901, the connecting shaft 901 is rotatably installed at the center of the bottom of the bottom cylinder 8, a bevel gear 1 902 is installed on the top of the connecting shaft 901, screw rods 903 are rotatably installed on the inner walls around the bottom cylinder 8, a bevel gear 2 904 meshing with the bevel gear 1 902 is installed at one end of the screw rod 903, an arc plate 905 is slidably installed on the outer side wall of the screw rod 903 through a thread, and the arc plate 905 is slightly higher than the bottom cylinder 8.

[0023] Please refer to Figures 1-3, in this embodiment: a guide block 906 is installed at the bottom of the arc-shaped plate 905, and a guide groove 907 that is slidably connected to the guide block 906 is provided on the inner wall of the bottom of the bottom cylinder 8.

[0024] Please refer to Figure 4 , in this embodiment: a handwheel 908 is installed at the bottom of the connecting shaft 901.

[0025] Please refer to Figure 1 , in this embodiment: the trimming mechanism 2 includes a vertical plate 201, the vertical plate 201 is installed on one side of the top of the chassis 1, an electric push rod 202 is installed on the vertical plate 201, an L-shaped plate 203 is installed at the output end of the electric push rod 202, a grinding machine 204 is provided on the inner wall of the top of the L-shaped plate 203, the bottom of the grinding machine 204 is flush with the top of the bottom cylinder 8, the grinding machine 204 includes a grinding motor, the grinding motor is installed on the inner wall of the top of the L-shaped plate, and the output end of the grinding motor is connected to a grinding disc.

[0026] Working principle: Place the O-ring on the top of the bottom cylinder 8, rotate the handwheel 908 to drive the bevel gear one 902 to rotate by the connecting shaft 901, and drive the screw 903 to rotate through the bevel gear two 904, so that the four arc-shaped plates 905 move away from each other and contact the inner wall of the O-ring. The O-ring can be quickly aligned with the center of the bottom cylinder 8 through the four arc-shaped plates 905. After alignment, the electric cylinder 4 drives the pressing disc 5 to descend. The thickness of the O-ring is greater than the height of the arc-shaped plate 905 exceeding the bottom cylinder 8, and the pressing disc 5 can press the O-ring tightly on the top of the bottom cylinder 8. Then the turntable 6 rotates, so that the pressing disc 5 and the bottom cylinder 8 rotate, driving the O-ring to rotate. Then the electric push rod 202 drives the grinding machine 204 to extend, and the grinding machine 204 contacts the outer wall of the O-ring, so as to grind and trim the outer side wall of the O-ring. The content not described in detail in this description belongs to the prior art well-known to those skilled in the art.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A new energy motor O-ring trimming device, comprising: A chassis (1), characterized in that: a trimming mechanism (2) is provided on one side of the top of the chassis (1), an L-shaped frame (3) is provided at one end of the chassis (1), an electric cylinder (4) is installed on the top of the L-shaped frame (3), a pressure plate (5) is rotatably installed on the output end of the electric cylinder (4) through a bearing, a turntable (6) rotatably installed with the chassis (1) is provided directly below the pressure plate (5), a bottom cylinder (8) is installed on the top of the turntable (6) through a connecting rod (7), and a center finding mechanism (9) is provided in the bottom cylinder (8).

2. The new energy motor O-ring trimming device according to claim 1 is characterized in that: The center-finding mechanism (9) comprises a connecting shaft (901), the connecting shaft (901) being rotatably mounted at the bottom center of the bottom cylinder (8), a bevel tooth 1 (902) being mounted on the top of the connecting shaft (901), a screw rod (903) being rotatably mounted on the inner walls of the four sides of the bottom cylinder (8), a bevel tooth 2 (904) being mounted on one end of the screw rod (903) and meshing with the bevel tooth 1 (902), an arc plate (905) being slidably mounted on the outer wall of the screw rod (903) through a thread, and the arc plate (905) being slightly higher than the bottom cylinder (8).

3. The new energy motor O-ring trimming device according to claim 2 is characterized by: A guide block (906) is installed at the bottom of the arc-shaped plate (905), and a guide groove (907) slidably connected to the guide block (906) is provided on the bottom inner wall of the bottom cylinder (8).

4. The new energy motor O-ring trimming device according to claim 2 is characterized in that: A hand wheel (908) is installed at the bottom of the connecting shaft (901).

5. The new energy motor O-ring trimming device according to claim 1 is characterized by: The trimming mechanism (2) comprises a vertical plate (201), the vertical plate (201) being mounted on one side of the top of the chassis (1), an electric push rod (202) being mounted on the vertical plate (201), an L-shaped plate (203) being mounted on the output end of the electric push rod (202), a grinder (204) being disposed on the top inner wall of the L-shaped plate (203), and the bottom of the grinder (204) being flush with the top of the bottom cylinder (8).

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