Straight rack machining grinding machine

Abstract

The utility model discloses a straight rack machining grinding machine which comprises a machine base, a clamping mechanism and a machining mechanism, and the machine base is provided with a transmission assembly. The clamping mechanism is connected to the machine base and used for fixing the rack and exposing the to-be-machined end of the rack. The machining mechanism is connected to the machine base and is adjacent to the clamping mechanism, the machining mechanism comprises a base, a mounting base and a grinding head motor, the grinding head motor is connected with and drives a grinding piece, the base is connected to a transmission assembly, the transmission assembly drives the base to do reciprocating rectilinear motion in the length direction of the clamping mechanism, and a first angle adjusting piece is arranged between the mounting base and the base; the first angle adjusting part comprises a rotating disc and a swing arm, the rotating disc is connected to the base, the swing arm is connected between the rotating disc and the mounting base, the rotating disc rotates, the swing arm swings in the circumferential direction of the rotating disc so as to drive the mounting base to do circular motion around the axis of the rotating disc, and a second angle adjusting part is arranged between the grinding head motor and the mounting base so as to adjust the included angle between the grinding piece and the rack.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a straight rack processing grinder. Background Art

[0002] The machining accuracy of straight racks directly affects the performance and life of their subsequent applications. Traditional straight rack machining methods mostly use manual or semi-automatic mechanical methods, which have problems such as low machining efficiency, difficulty in ensuring accuracy, and high labor intensity. As the manufacturing industry develops towards high precision and high efficiency, higher requirements are placed on rack machining equipment. Although existing grinding equipment can realize the machining of racks, they are often complex in structure and cumbersome in operation. In addition, the adjustment of the machining angles of different parts of the rack is not flexible enough, and the front and back tooth openings and front and back chamfers of the saw teeth on the rack cannot be automatically machined smoothly and coherently. Manual intervention is required, which affects the machining efficiency. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a straight rack grinding machine that can automatically process the front and back tooth edges and front and back chamfers of a straight rack through the cooperation of a first angle adjustment member and a second angle adjustment member, thereby improving processing efficiency.

[0004] According to a first embodiment of the present invention, a straight rack grinding machine comprises a machine base, a clamping mechanism, and a machining mechanism, wherein the machine base is provided with a transmission assembly. The clamping mechanism is connected to the machine base and is used to secure a rack and expose the end of the rack to be machined. The machining mechanism is connected to the machine base and disposed adjacent to the clamping mechanism. The machining mechanism comprises a base, a mounting seat, and a grinding head motor, the grinding head motor being connected to and driving a grinding disc. The base is connected to the transmission assembly, which drives the base to reciprocate linearly along the length of the clamping mechanism. A first angle adjustment member is disposed between the mounting seat and the base, the first angle adjustment member comprising a turntable and a swing arm, the turntable being connected to the base, the swing arm being connected between the turntable and the mounting seat. When the turntable rotates, the swing arm swings around the circumference of the turntable, driving the mounting seat to perform circular motion around the axis of the turntable. A second angle adjustment member is disposed between the grinding head motor and the mounting seat to adjust the angle between the grinding disc and the rack.

[0005] According to embodiments of the present invention, a straight rack grinding machine has at least the following advantages: The machine base, the fundamental support structure of the entire grinding machine, is made of high-strength material, ensuring its stability and load-bearing capacity. A transmission assembly is mounted on the machine base to enable reciprocating linear motion of the base. A clamping mechanism quickly clamps and releases the rack to be machined, securely securing the rack and conveniently exposing its end to be machined. In some embodiments, the clamping mechanism may include an adjustable clamp and pressure plate to accommodate racks of varying sizes. The machining mechanism is connected to the machine base and positioned adjacent to the clamping mechanism to ensure stability and accuracy during machining. The base is connected to the transmission assembly and reciprocates linearly along the length of the clamping mechanism as the drive shaft rotates. The mounting base is connected to the base via a first angle adjustment member. When the turntable rotates, a swing arm drives the mounting base in a circular motion about the turntable axis, thereby adjusting the horizontal angle between the grinding disc and the rack. The grinding head motor is mounted on the mounting base and connected to the mounting base via a second angle adjustment member to adjust the vertical angle between the grinding disc and the rack. Through the cooperation of the first angle adjusting member and the second angle adjusting member, the grinding disc contacts the rack at different angles, thereby achieving precise processing of the tooth openings and chamfers on the front and back sides of the rack.

[0006] The design of the first and second angle adjustment members enables the grinding disc to contact the rack at precise angles, ensuring the machining accuracy of the tooth edge and chamfer. Furthermore, the stability of the transmission assembly and the precise control of the control system further enhance machining quality. The grinder can continuously machine both sides of the rack, significantly improving machining efficiency. The design of the clamping and machining mechanisms takes into account the machining requirements of racks of varying sizes and shapes, making the grinder highly adaptable. Furthermore, by adjusting the relevant parameters of the clamping and machining mechanisms, a variety of machining tasks can be flexibly addressed. Furthermore, automated machining reduces the risk of human error, improving production efficiency while also ensuring safety during the production process.

[0007] According to some embodiments of the present invention, the first angle adjustment member also includes a guide rail, which is inclined along the length direction of the clamping mechanism and inclined toward the side away from the clamping mechanism. A guide slider is provided at the bottom of the mounting seat, and the guide slider cooperates with the guide rail to guide the moving direction of the mounting seat.

[0008] According to some embodiments of the present invention, a limiting slide rail is provided at the bottom of the mounting seat, and the limiting slide rail is provided along the length direction of the swing arm. The guide slider is connected to the limiting slide rail and the guide slide rail at the same time. When the swing arm drives the mounting seat to move, the guide slider slides in the limiting slide rail and the guide slide rail at the same time, so that the arc motion of the mounting seat is converted into linear motion along the guide slide rail.

[0009] According to some embodiments of the present invention, the second angle adjustment member includes a shell and a drive assembly connected to the shell, the axis of the shell is horizontally arranged, the grinding head motor is connected to the output end of the drive assembly and is located at some of the shell, and the axis of the grinding head motor is perpendicular to the axis of the shell.

[0010] According to some embodiments of the present invention, the drive assembly includes a first motor and a drive shaft connected to the first motor, the axis of the drive shaft is collinear with the axis of the housing, and the end of the drive shaft is connected to the grinding head motor.

[0011] According to some embodiments of the present invention, a motor bracket is provided on the side of the grinding head motor facing the shell, and the motor bracket includes a connecting plate and a mounting plate arranged perpendicular to each other, the connecting plate is connected to the end of the drive shaft, and the mounting plate is used to install and fix the grinding head motor and the grinding disc.

[0012] According to some embodiments of the present invention, the connecting plate is provided with a mounting groove, the end of the drive shaft is inserted into and fixed in the mounting groove, and a reinforcing rib is provided between the outer side wall of the mounting groove and the mounting plate.

[0013] According to some embodiments of the present invention, a cover is provided on the side of the connecting plate facing away from the driving shaft, the cover is in the shape of a semi-disc, and the grinding disc is located inside the cover.

[0014] According to some embodiments of the present invention, the clamping mechanism includes a support frame and a cylinder bracket connected to the machine base, the cylinder bracket is connected to the top of the support frame, the cylinder bracket is provided with a cylinder, the cylinder drives and connects the pressure plate, a support platform is provided between the pressure plate and the support frame, the pressure plate and the support platform cooperate to press the rack.

[0015] A straight rack processing grinder is characterized in that the transmission assembly includes a second motor and a screw rod, the second motor is connected to and drives the screw rod, and a screw rod nut is provided at the bottom of the base, and the screw rod nut is sleeved on the screw rod.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 A schematic diagram of a straight rack grinding machine according to an embodiment of the present invention;

[0019] Figure 2 A schematic diagram of a machining mechanism of a straight rack machining grinder according to an embodiment of the present invention;

[0020] Figure 3 A schematic diagram of a grinding head motor and a motor bracket of a straight rack processing grinding machine according to an embodiment of the present invention;

[0021] Figure 4 Schematic diagram of the clamping mechanism of the straight rack grinding machine according to an embodiment of the present invention.

[0022] Figure markings: machine base 100; transmission assembly 110; screw 111; clamping mechanism 200; support frame 210; cylinder bracket 220; cylinder 221; pressure plate 222; support platform 230; processing mechanism 300; base 310; mounting seat 320; limiting slide rail 321; grinding head motor 330; grinding disc 331; first angle adjustment member 340; turntable 341; swing arm 342; guide slide rail 343; guide slider 344; second angle adjustment member 350; housing 351; first motor 352; motor bracket 360; connecting plate 361; mounting plate 362; mounting groove 363; cover body 364; reinforcing rib 365. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0026] In the description of this utility model, unless otherwise expressly defined, terms such as "set," "install," and "connect" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meanings of these terms in the present utility model based on the specific content of the technical solution. In the description of this utility model, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples. In the description of this specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0027] The machining accuracy of straight racks directly affects the performance and life of their subsequent applications. Traditional straight rack machining methods mostly use manual or semi-automatic mechanical methods, which have problems such as low machining efficiency, difficulty in ensuring accuracy, and high labor intensity. As the manufacturing industry develops towards high precision and high efficiency, higher requirements are placed on rack machining equipment. Although existing grinding equipment can realize the machining of racks, they are often complex in structure and cumbersome in operation. In addition, the adjustment of the machining angles of different parts of the rack is not flexible enough, and the front and back tooth openings and front and back chamfers of the saw teeth on the rack cannot be automatically machined smoothly and coherently. Manual intervention is required, which affects the machining efficiency.

[0028] For this purpose, refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model proposes a straight rack processing grinder, including a machine base 100, a clamping mechanism 200 and a processing mechanism 300. The machine base 100 is provided with a transmission assembly 110. The clamping mechanism 200 is connected to the machine base 100, and is used to fix the rack and expose the end of the rack to be processed. The processing mechanism 300 is connected to the machine base 100 and is arranged adjacent to the clamping mechanism 200. The processing mechanism 300 includes a base 310, a mounting seat 320 and a grinding head motor 330. The grinding head motor 330 is connected to and drives the grinding disc 331. The base 310 is connected to the transmission assembly 110. The transmission assembly 110 drives the base 310 to perform reciprocating linear motion along the length direction of the clamping mechanism 200. A first angle adjustment member 340 is provided between the mounting seat 320 and the base 310. The first angle adjustment member 340 includes a turntable 341 and a swing arm 342. The turntable 341 is connected to the base 310, and the swing arm 342 is connected between the turntable 341 and the mounting seat 320. The turntable 341 rotates, and the swing arm 342 swings around the circumference of the turntable 341 to drive the mounting seat 320 to make a circular motion around the axis of the turntable 341. A second angle adjustment member 350 is provided between the grinding head motor 330 and the mounting seat 320 to adjust the angle between the grinding disc 331 and the rack.

[0029] In a specific embodiment, the machine base 100 is the basic support structure of the entire grinding machine and is made of high-strength material to ensure its stability and load-bearing capacity. The transmission assembly 110 is installed on the machine base 100 to realize the reciprocating linear motion of the base 310. The clamping mechanism 200 quickly clamps and releases the rack to be processed, can firmly fix the rack, and conveniently expose its end to be processed. In some embodiments, the clamping mechanism 200 may include an adjustable clamp and a pressure plate 222 to accommodate racks of different sizes. The processing mechanism 300 is connected to the machine base 100 and is arranged adjacent to the clamping mechanism 200 to ensure stability and accuracy during the processing. The base 310 is connected to the transmission assembly 110 and performs reciprocating linear motion along the length direction of the clamping mechanism 200 as the transmission shaft rotates. The mounting base 320 is connected to the base 310 via a first angle adjustment member 340. When the turntable 341 rotates, the swing arm 342 drives the mounting base 320 in a circular motion around the axis of the turntable 341, thereby adjusting the horizontal angle between the grinding disc 331 and the rack. The grinding head motor 330 is mounted on the mounting base 320 and connected to the mounting base 320 via a second angle adjustment member 350 to adjust the vertical angle between the grinding disc 331 and the rack. The first and second angle adjustment members 340 and 350 cooperate to allow the grinding disc 331 to contact the rack at different angles, achieving precise machining of the tooth edges and chamfers on both the front and back sides of the rack.

[0030] It should be noted that the design of the first and second angle adjustment members 350 enables the grinding disc 331 to contact the rack at a precise angle, ensuring the processing accuracy of the tooth mouth and chamfer. At the same time, the stability of the transmission assembly 110 and the precise control of the control system also further improve the processing quality. The grinder can continuously process the front and back sides of the rack, significantly improving the processing efficiency. The design of the clamping mechanism 200 and the processing mechanism 300 takes into account the processing requirements of racks of different sizes and shapes, making the grinder highly adaptable. Moreover, by adjusting the relevant parameters of the clamping mechanism 200 and the processing mechanism 300, various processing tasks can be flexibly responded to. On the other hand, automated processing reduces the risk of human operational errors, improves production efficiency, and also ensures safety in the production process.

[0031] In some embodiments, in order to realize automatic processing of the front and back sides of the rack, the grinding machine may be equipped with an automatic reversing device, such as a cylinder 221 or an electric push rod, for driving the clamping mechanism 200 to flip or rotate the rack. In addition, the straight rack processing grinding machine proposed in the present invention also includes a control system, which is responsible for controlling the entire processing process, including the start and stop of the transmission component 110, the rotation of the first angle adjustment member 340, the second angle adjustment member 350, and the speed adjustment of the grinding head motor 330. Through a preset processing program, the control system can automatically complete the processing cycle of the front and back tooth openings and chamfers of the rack. Optionally, the control system includes a PLC or CNC system.

[0032] Reference Figure 1 and Figure 2 The first angle adjustment member 340 further includes a guide rail 343. The guide rail 343 is tilted along the length of the clamping mechanism 200, with its tilt facing away from the clamping mechanism 200, to form a guide path. A guide slider 344 is mounted on the bottom of the mounting base 320, matching the guide rail 343. When the swing arm 342 rotates around the turntable 341, the guide slider 344 slides within the guide rail 343, ensuring that the mounting base 320 maintains stable linear guidance during movement, further improving processing accuracy and stability.

[0033] Furthermore, in order to effectively convert the arc motion of the mounting seat 320 into linear motion along the guide rail 343, to prevent the mounting seat 320 from interfering with the guide rail 343 when being driven by the swing arm 342, and to more accurately control the movement trajectory of the mounting seat 320, a limit rail 321 is further provided at the bottom of the mounting seat 320. The limit rail 321 is provided along the length direction of the swing arm 342 and intersects with the guide rail 343. The guide slider 344 is connected to the limit rail 321 and the guide rail 343 at the same time. When the swing arm 342 drives the mounting seat 320 to move, the guide slider 344 slides simultaneously in the two rails, thereby achieving precise control of the movement direction of the mounting seat 320. On the other hand, through the cooperation of the guide rail 343, the guide slider 344 and the limit rail 321, the error in the processing process is effectively reduced and the processing accuracy is improved.

[0034] Reference Figure 2 and Figure 3 In a specific embodiment, the main body of the second angle adjustment member 350 is a housing 351 with a horizontal axis. The housing 351 is made of a sturdy and durable material to withstand vibration and force during the processing. The bottom of the housing 351 is connected to the mounting base 320, and the axis of the housing 351 serves as the reference line for the entire adjustment member. A drive assembly is provided within the housing 351. The drive assembly connected to the housing 351 is responsible for driving the grinding head motor 330 for angle adjustment. The assembly integrates the necessary transmission mechanism and control system to ensure the accuracy and stability of the angle adjustment. The grinding head motor 330 is connected to the output end of the drive assembly and is located at a specific position within the housing 351. The axis of the grinding head motor 330 is perpendicular to the axis of the housing 351, allowing the grinding head motor 330 to rotate around the axis of the housing 351. This allows the output of the second angle adjustment member 350 to be converted into a change in the vertical angle between the grinding disc 331 and the rack to be processed to the maximum extent possible, thereby improving the adjustment efficiency and, in turn, the processing efficiency of the rack.

[0035] Specifically, the drive assembly includes a first motor 352 and a drive shaft connected to the first motor 352, the axis of the drive shaft is collinear with the axis of the housing 351, and the end of the drive shaft is connected to the grinding head motor 330. As a power source, the first motor 352 is responsible for providing the torque required to drive the grinding head motor 330 to rotate. The drive shaft is connected to the output end of the first motor 352, and its axis is collinear with the axis of the housing 351. The drive shaft rotates under the drive of the motor, thereby driving the grinding head motor 330 connected thereto to adjust the angle. The end of the drive shaft is connected to the grinding head motor 330 through a coupling or a keyway to ensure synchronous rotation between the two.

[0036] Furthermore, in order to stably install and support the grinding head motor 330 and its grinding disc 331, the grinding head motor 330 is provided with a motor bracket 360, which is composed of a connecting plate 361 and a mounting plate 362 arranged perpendicular to each other. The connecting plate 361 is connected to the end of the drive shaft to ensure that the motor bracket 360 can rotate with the rotation of the drive shaft. The mounting plate 362 is used to install and fix the grinding head motor 330 and the grinding disc 331. It is designed to have sufficient strength and rigidity to withstand the load during the processing. The connecting plate 361 is tightly connected to the end of the drive shaft to ensure the accuracy and stability of the transmission. The mounting plate 362 firmly fixes the grinding head motor 330 and the grinding disc 331 in the designated position by screws or other fasteners.

[0037] Furthermore, in order to improve the load-bearing capacity and rigidity of the connecting plate 361 and prevent deformation or breakage during processing, a mounting groove 363 is provided on the connecting plate 361 for accommodating and fixing the end of the drive shaft. The design of the mounting groove 363 takes into account transmission accuracy and installation convenience to ensure that the drive shaft can be accurately inserted and fixed in the groove. Reinforcing ribs 365 are provided between the outer side wall of the mounting groove 363 and the mounting plate 362. The function of the reinforcing ribs 365 is to increase the overall rigidity and strength of the connecting plate 361 and prevent it from bending or twisting when bearing load. These reinforcing ribs 365 are usually made of the same material as the connecting plate 361 and are firmly connected to the connecting plate 361 by welding or other means.

[0038] Furthermore, to protect the grinding disc 331 and prevent debris from flying during machining, a cover 364 is provided on the side of the connecting plate 361 facing away from the drive shaft. Specifically, the cover 364 is semi-disc-shaped, with a diameter slightly larger than that of the grinding disc 331, ensuring that it completely covers the grinding disc 331 and prevents debris from flying. The edges of the cover 364 can be designed with a smooth transition shape to reduce collision and friction with surrounding objects.

[0039] Reference Figure 1 and Figure 4 In a specific embodiment, the clamping mechanism 200 includes a support frame 210, a cylinder bracket 220, a cylinder 221, a pressure plate 222 and a support platform 230. The support frame 210 is connected to the machine base 100, and the cylinder bracket 220 is installed on the top of the support frame 210. The cylinder 221 is fixed by the cylinder bracket 220, and its piston rod is connected to the pressure plate 222. The support platform 230 is arranged between the support frame 210 and the pressure plate 222 to support the rack to be processed. When the cylinder 221 is working, the pressure plate 222 cooperates with the support platform 230 to firmly press the rack in the specified position to ensure stability during the processing process.

[0040] Reference Figure 1In a specific embodiment, the transmission assembly 110 primarily consists of a second motor and a screw 111. The second motor is connected to and drives the screw 111 to rotate. A screw nut 111 that matches the screw 111 is mounted on the bottom of the base 310. When the second motor is operating, the screw 111 drives the screw nut 111 to move axially along the screw 111, thereby driving the base 310 to reciprocate linearly along the length of the clamping mechanism 200. This transmission method has a simple structure, high transmission efficiency, and is easy to achieve precise control.

[0041] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A straight rack grinding machine, characterized in that: include: A machine base is provided with a transmission assembly; A clamping mechanism, connected to the machine base, for fixing the rack and exposing the end of the rack to be processed; The machining mechanism is connected to the machine base and arranged adjacent to the clamping mechanism. The machining mechanism includes a base, a mounting seat and a grinding head motor. The grinding head motor is connected to and drives the grinding disc. The base is connected to the transmission assembly. The transmission assembly drives the base to perform reciprocating linear motion along the length direction of the clamping mechanism. A first angle adjustment member is provided between the mounting seat and the base. The first angle adjustment member includes a turntable and a swing arm. The turntable is connected to the base, and the swing arm is connected between the turntable and the mounting seat. When the turntable rotates, the swing arm swings around the circumference of the turntable to drive the mounting seat to perform circular motion around the axis of the turntable. A second angle adjustment member is provided between the grinding head motor and the mounting seat to adjust the angle between the grinding disc and the rack.

2. The straight rack grinding machine according to claim 1, characterized in that: The first angle adjustment member also includes a guide rail, which is inclined along the length direction of the clamping mechanism and inclined toward the side away from the clamping mechanism. A guide slider is provided at the bottom of the mounting seat, and the guide slider cooperates with the guide rail to guide the moving direction of the mounting seat.

3. The straight rack grinding machine according to claim 2, characterized in that: A limiting slide rail is provided at the bottom of the mounting seat, and the limiting slide rail is provided along the length direction of the swing arm. The guide slider is connected to the limiting slide rail and the guide slide rail at the same time. When the swing arm drives the mounting seat to move, the guide slider slides in the limiting slide rail and the guide slide rail at the same time, so that the arc motion of the mounting seat is converted into linear motion along the guide slide rail.

4. The straight rack grinding machine according to claim 1, characterized in that: The second angle adjustment member includes a shell and a drive assembly connected to the shell, the axis of the shell is horizontally arranged, the grinding head motor is connected to the output end of the drive assembly and is located at some of the shell, and the axis of the grinding head motor is perpendicular to the axis of the shell.

5. The straight rack grinding machine according to claim 4, characterized in that: The driving assembly includes a first motor and a driving shaft connected to the first motor. The axis of the driving shaft is collinear with the axis of the housing. The end of the driving shaft is connected to the grinding head motor.

6. The straight rack grinding machine according to claim 5, characterized in that: A motor bracket is provided on the side of the grinding head motor facing the shell, and the motor bracket includes a connecting plate and a mounting plate arranged perpendicular to each other. The connecting plate is connected to the end of the drive shaft, and the mounting plate is used to install and fix the grinding head motor and the grinding disc.

7. The straight rack grinding machine according to claim 6, characterized in that: The connecting plate is provided with a mounting groove, the end of the driving shaft is inserted into and fixed in the mounting groove, and a reinforcing rib is provided between the outer side wall of the mounting groove and the mounting plate.

8. The straight rack grinding machine according to claim 6, characterized in that: A cover is provided on the side of the connecting plate facing away from the driving shaft. The cover is in a semi-disc shape, and the grinding disc is located inside the cover.

9. The straight rack grinding machine according to claim 1, characterized in that: The clamping mechanism includes a support frame and a cylinder bracket connected to the machine base. The cylinder bracket is connected to the top of the support frame. The cylinder bracket is provided with a cylinder. The cylinder drives and connects a pressure plate. A support platform is provided between the pressure plate and the support frame. The pressure plate and the support platform cooperate to press the rack.

10. The straight rack grinding machine according to claim 1, characterized in that: The transmission assembly includes a second motor and a screw rod. The second motor is connected to and drives the screw rod. A screw rod nut is provided at the bottom of the base, and the screw rod nut is sleeved on the screw rod.

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