Accurate rivet head cutting machine for rivet shearing

Abstract

The utility model belongs to the technical field of rivet machining, and particularly provides a precise rivet head cutting machine used for rivet shearing. According to the method, the motor mounting seat is accurately positioned through the guide rail sliding rod, the motor mounting seat is accurately guided when the motor mounting seat ascends and descends up and down, and it is ensured that the ascending and descending actions of the motor mounting seat are flexible and smooth; the rotating ball screw and the transmission ball are matched to work to enable the motor mounting seat to do up-down lifting motion, the precision of the lifting height can be improved, the pressing air cylinder is used for achieving the purposes that the cutting face is flat and smooth and free of cutter lines, the cutter feeding speed is stable and free of fluctuation, operation is more convenient and smoother, accurate cutting of the height of a rivet head is achieved, and the machining efficiency is improved. The high-precision requirement of customers on products is met, meanwhile, the production efficiency is improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of rivet processing, and in particular relates to a precise nail head cutting machine for rivet shearing. Background Art

[0002] For the stator core and rotor core of the main parts of the motor, fastening with rivets is one of the fastening methods. Due to the product structure and precision requirements of some cores, the height of the rivet head protruding from the core end face is very precise. During production, the rivet head needs to be sheared and the height of the rivet head needs to be precisely controlled. This operation is performed on a rivet head cutting machine. Conventional cutting machines have poor accuracy in feed control and cutting height detection and control. The height of the rivet head often fluctuates during cutting, which is very unstable. At the same time, the feed speed fluctuates and is unstable, resulting in obvious knife marks and rough cut surfaces. For this reason, a precise rivet head cutting machine for rivet shearing is urgently needed. Utility Model Content

[0003] In view of the technical defects existing in the background technology, the utility model proposes a precise nail head cutting machine for rivet shearing, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0004] A precision nail head cutting machine for rivet shearing comprises a frame and a cutting device, a fixed plate at the lower end of the frame, the cutting device is provided at the upper end of the fixed plate, a servo motor is provided at the lower end of the cutting device, a motor sliding seat is provided at the upper end of the servo motor, a ball screw is provided at one end of the motor sliding seat, a guide rail slide is provided on one side of the ball screw, the output end of the servo motor is connected to one end of the ball screw, a motor mounting seat is provided on one side of the motor sliding seat, one side of the motor mounting seat is transmission-connected to the ball screw, one side of the motor mounting seat is slidably connected to the guide rail slide, a cutting motor is provided on the other side of the motor sliding seat, and a cutting disc is provided at the output end of the cutting motor.

[0005] As an improvement of the above solution, a shaft coupling is provided inside the fixing plate, the lower end of the shaft coupling is provided with the output end of the servo motor, and the upper end of the shaft coupling is provided with the lower end of the ball screw.

[0006] As an improvement of the above solution, bearings matching the ball screw are provided at the upper and lower ends of the motor sliding seat, and transmission balls matching the ball screw are provided inside the motor mounting seat.

[0007] As an improvement of the above solution, an iron core fixing seat is provided at the upper end of the frame corresponding to the upper side of the cutting disc.

[0008] As an improvement of the above solution, a clamping seat is provided at the upper end of the frame, a clamping cylinder is provided at the upper end of the clamping seat, and an iron core clamping head matched with the iron core fixing seat is provided at the lower end of the clamping cylinder.

[0009] As an improvement of the above solution, the precision nail head cutting machine for rivet shearing also includes a controller.

[0010] The utility model has the beneficial effects of: placing the iron core to be cut on the iron core fixing seat, adjusting the data of the required cutting thickness through the controller, and controlling the pressing cylinder to press the iron core to be cut, and then starting the cutting motor to rotate the cutting cutter disc, and using the servo motor to drive the ball screw to rotate, thereby driving the cutting motor to move upward, so as to achieve precise cutting of the rivet head;

[0011] The method realizes accurate positioning of the motor mounting seat through the guide rail slide bar, accurately guides the motor mounting seat when it is lifted up and down, and ensures that its lifting action is flexible and smooth, and at the same time, the ball screw is flexibly rotated by the bearing, and the motor mounting seat is lifted up and down by the cooperation of the rotating ball screw and the transmission ball, which can improve the precision of the lifting height, and the clamping cylinder is used to realize the smooth and flat cutting surface without knife marks, the feed speed is stable and has no fluctuation, and the operation is more convenient and smooth, and the precise cutting of the rivet head height can be realized, so as to meet the high-precision requirements of customers for products, and at the same time improve production efficiency and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a perspective structural schematic diagram of a precision nail head cutting machine for rivet shearing of the utility model.

[0013] Among them: frame 1, fixed plate 11, shaft coupling 12, iron core fixing seat 13, cutting device 2, servo motor 21, motor sliding seat 22, ball screw 23, guide rail slide 24, motor mounting seat 25, cutting motor 26, cutting cutter disc 27, bearing 28, transmission ball 29, clamping seat 3, clamping cylinder 31, iron core clamping head 32, controller 4, iron core to be cut 5, rivet head 51. DETAILED DESCRIPTION

[0014] The implementation methods of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation methods of the present invention are not limited to the following embodiments, and the present invention involves relevant necessary components in this technical field, which should be regarded as common knowledge in this technical field and can be known and mastered by technical personnel in this technical field.

[0015] like Figure 1As shown, a precision nail head cutting machine for rivet shearing comprises a frame 1 and a cutting device 2, wherein the frame 1 has a fixed plate 11 at the lower end, the cutting device 2 is provided at the upper end of the fixed plate 11, and a servo motor 21 is provided at the lower end of the cutting device 2. Preferably, the servo motor 21 is a precision rotating servo motor 21, and a motor sliding seat 22 is provided at the upper end of the servo motor 21, a ball screw 23 is provided at one end of the motor sliding seat 22, and a guide rail slide 24 is provided at one side of the ball screw 23, an output end of the servo motor 21 is connected to one end of the ball screw 23, a motor mounting seat 25 is provided at one side of the motor sliding seat 22, one side of the motor mounting seat 25 is transmission-connected to the ball screw 23, one side of the motor mounting seat 25 is slidably connected to the guide rail slide 24, a cutting motor 26 is provided at the other side of the motor sliding seat 22, and a cutting disc 27 is provided at the output end of the cutting motor 26.

[0016] like Figure 1 As shown, it should be noted that a shaft coupling 12 is provided inside the fixing plate 11 , the output end of the servo motor 21 is provided at the lower end of the shaft coupling 12 , and the lower end of the ball screw 23 is provided at the upper end of the shaft coupling 12 .

[0017] like Figure 1 As shown, it should be noted that bearings 28 matched with the ball screw 23 are provided at the upper and lower ends of the motor sliding seat 22, and transmission balls 29 matched with the ball screw 23 are provided inside the motor mounting seat 25.

[0018] like Figure 1 As shown, it should be noted that an iron core fixing seat 13 is provided on the upper end of the frame 1 corresponding to the upper side of the cutting disc 27 .

[0019] like Figure 1 As shown, it should be noted that a clamping seat 3 is provided at the upper end of the frame 1, a clamping cylinder 31 is provided at the upper end of the clamping seat 3, and a core clamping head 32 matched with the core fixing seat 13 is provided at the lower end of the clamping cylinder 31.

[0020] like Figure 1 As shown, it should be noted that the precision nail head cutting machine for rivet shearing also includes a controller 4.

[0021] Working principle: the iron core 5 to be cut is placed on the iron core fixing seat 13, the data of the required cutting thickness is adjusted by the controller 4, and the pressing cylinder 31 is controlled to press the iron core 5 to be cut, and then the cutting motor 26 is started to rotate the cutting disc 27, and the servo motor 21 is used to drive the ball screw 23 to rotate, thereby driving the cutting motor 26 to move upward, so as to achieve precise cutting of the rivet head 51;

[0022] The method realizes accurate positioning of the motor mounting seat 25 through the guide rail slide bar 24, and accurately guides the motor mounting seat 25 when it is lifted up and down to ensure that its lifting action is flexible and smooth, and at the same time, the bearing 28 is used to make the ball screw 23 flexibly rotate, and the rotating ball screw 23 and the transmission ball 29 cooperate to make the motor mounting seat 25 move up and down, which can improve the precision of the lifting height, and the clamping cylinder 31 is used to realize that the cutting surface is smooth and free of knife marks, the feed speed is stable and has no fluctuations, and the operation is more convenient and smooth, and the rivet head 51 can be accurately cut at the height, meeting the customer's high-precision requirements for products, while improving production efficiency and reducing production costs.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A precision nail head cutting machine for rivet shearing, comprising a frame and a cutting device, characterized in that: The lower end of the frame is fixed with a plate, the upper end of the fixed plate is provided with the cutting device, the lower end of the cutting device is provided with a servo motor, the upper end of the servo motor is provided with a motor sliding seat, one end of the motor sliding seat is provided with a ball screw, one side of the ball screw is provided with a guide rail slide bar, the output end of the servo motor is connected with one end of the ball screw, one side of the motor sliding seat is provided with a motor mounting seat, one side of the motor mounting seat is transmission-connected with the ball screw, one side of the motor mounting seat is slidably connected with the guide rail slide bar, the other side of the motor sliding seat is provided with a cutting motor, and the output end of the cutting motor is provided with a cutting disc.

2. The precision nail head cutting machine for rivet shearing according to claim 1, characterized in that: A shaft coupling is arranged inside the fixing plate, the output end of the servo motor is arranged at the lower end of the shaft coupling, and the lower end of the ball screw is arranged at the upper end of the shaft coupling.

3. The precision nail head cutting machine for rivet shearing according to claim 1, characterized in that: The upper and lower ends of the motor sliding seat are provided with bearings matched with the ball screw, and the interior of the motor mounting seat is provided with transmission balls matched with the ball screw.

4. The precision nail head cutting machine for rivet shearing according to claim 1, characterized in that: An iron core fixing seat is arranged on the upper end of the frame corresponding to the upper side of the cutting disc.

5. The precision nail head cutting machine for rivet shearing according to claim 4, characterized in that: A pressing seat is provided at the upper end of the frame, a pressing cylinder is provided at the upper end of the pressing seat, and an iron core pressing head matched with the iron core fixing seat is provided at the lower end of the pressing cylinder.

6. The precision nail head cutting machine for rivet shearing according to claim 1, characterized in that: The precision nail head cutting machine for rivet shearing also includes a controller.

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