Double-sided tool sharpener structure capable of automatically compensating abrasion of grinding wheel

Abstract

The utility model discloses a grinding wheel abrasion automatic compensation double-face tool sharpener structure which comprises a machine frame, a middle base is installed on the top of the machine frame, and the left side and the right side of the middle base are respectively connected with a left spindle box and a right spindle box in a sliding mode, a left grinding wheel and a right grinding wheel which are arranged on the same horizontal plane are installed on the left spindle box and the right spindle box respectively, a left main motor and a right main motor which drive the left grinding wheel and the right grinding wheel to rotate are installed on the top of the left spindle box and the top of the right spindle box respectively, and a grinding wheel combining oil cylinder is installed on the rear side of the middle base. A hydraulic station device for driving the grinding wheel closing oil cylinder is arranged on the left side of the machine frame, and an oil cylinder rod on the front side of the grinding wheel closing oil cylinder is connected with a grinding wheel closing rack. The numerical control grinding machine is high in rigidity and stable in operation, a man-machine intelligent control compensation device is adopted for grinding wheel machining abrasion loss compensation, digital machining serves as the standard, product quality is improved, quality consistency is guaranteed, workload of workers is relieved, and humanized operation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of knife sharpeners, in particular to a double-sided knife sharpener structure with automatic compensation for grinding wheel wear. Background Art

[0002] At present, the hydraulic double-sided grinder grinding wheel wear compensation generally adopts the traditional manual shaking operation mode, which has low production efficiency, heavy workload for workers, inconvenient operation, unstable quality, difficulty in ensuring quality consistency, and the workpiece processing surface is not smooth enough, which is not conducive to mass production. Therefore, in order to avoid the shortcomings of the existing technology, it is necessary to improve the existing technology. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies in the prior art and to provide a double-sided knife sharpener structure which is easy to operate and has stable quality and automatic compensation for grinding wheel wear.

[0004] The utility model is realized by the following technical solutions:

[0005] A double-sided knife sharpener structure with automatic compensation for grinding wheel wear comprises a frame, a middle seat is installed on the top of the frame, and the left and right sides of the middle seat are respectively slidably connected with a left spindle box and a right spindle box that can move left and right, the left spindle box and the right spindle box are respectively installed with a left grinding wheel and a right grinding wheel arranged in the same horizontal plane, the top of the left spindle box and the top of the right spindle box are respectively installed with a left main motor and a right main motor for driving the left grinding wheel and the right grinding wheel to rotate, a grinding wheel cylinder is installed on the rear side of the middle seat, and a hydraulic station device for driving the grinding wheel cylinder is provided on the left side of the frame, the cylinder rod on the front side of the grinding wheel cylinder is connected with a grinding wheel rack, a feed screw connected to the grinding wheel rack for transmission is installed on the left and right sides of the middle seat, and the bottom of the left spindle box is connected to the The bottom of the right spindle box is respectively provided with a feed screw nut threadedly connected to the feed screw, a tool holder seat is installed on the top of the frame, a tool holder cylinder driven by the hydraulic station device is installed on the top of the tool holder seat, the cylinder rod on the front side of the tool holder cylinder is connected to a tool holder support handle, the tool holder seat is installed with a tool beam, the tool beam is installed with a tool holding seat, the tool holding seat is installed with a fixture plate, the fixture plate is installed with a workpiece, a compensation mechanism support rod is respectively installed on the left and right sides of the middle seat, the compensation mechanism support rod is installed with a compensation reducer, the power input end of the compensation reducer is connected to a stepping motor, the power output end of the compensation reducer is connected to a compensation driving gear, and the compensation driving gear is meshed with a compensation driven gear connected to the feed screw.

[0006] Furthermore, the motor shaft of the left main motor and the motor shaft of the right main motor are respectively connected to a driving wheel, the left spindle box and the right spindle box are respectively provided with a spindle for mounting the left grinding wheel and the right grinding wheel, the spindle is equipped with a driven wheel, and the driving wheel and the driven wheel are connected by a belt drive.

[0007] Furthermore, the feed screw is provided with a driven gear, the middle seat is equipped with a transmission shaft, both ends of the transmission shaft are provided with driving gears meshing with the driven gear, and the driving gear is meshed with the grinding wheel rack.

[0008] Furthermore, an electric box is provided on the top of the hydraulic station device, and a driver for driving the stepping motor is provided in the electric box.

[0009] Furthermore, a control box is installed on the left side of the frame.

[0010] Furthermore, a water tank is provided on the rear side of the frame.

[0011] Compared with the prior art, the utility model is provided with a left main motor and a right main motor for driving the left grinding wheel and the right grinding wheel to rotate respectively on the top of the left spindle box and the top of the right spindle box, the cylinder rod on the front side of the grinding wheel oil cylinder is connected with a grinding wheel rack, a feed screw connected with the grinding wheel rack transmission is installed on the left and right sides of the middle seat, the bottom of the left spindle box and the bottom of the right spindle box are respectively provided with a feed screw nut screwed with the feed screw, the cylinder rod on the front side of the tool holder oil cylinder is connected with a tool holder support, the tool holder seat is provided with a tool beam, the tool beam is provided with a tool holding seat, the tool holding seat is provided with a fixture plate, the fixture plate is provided with a workpiece, the compensation mechanism support rod is provided with a compensation reducer, and the power output of the compensation reducer The input end is connected with a stepper motor, and the power output end of the compensation reducer is connected with a compensation driving gear, which is meshed with a compensation driven gear connected with the feed screw. When working, the left main motor and the right main motor drive the left grinding wheel and the right grinding wheel to rotate in opposite directions respectively, and the grinding wheel cylinder drives the two spindle boxes to move left and right for relative or opposite synchronous forward and backward sliding. The tool holder cylinder drives the workpiece to move forward and backward for grinding. The stepper motor drives the two spindle boxes to move left and right through the compensation reducer to perform precise grinding wheel wear compensation, feeding, zero return and other actions. The automatic compensation operation of grinding is performed through the human-machine control function and parameter setting. It is easy to operate, has stable quality, is conducive to mass production, and has the following beneficial effects:

[0012] 1. The tool holder, left spindle box and right spindle box are respectively driven by high-frequency treated hard rails and large-pressure cylinders. They have strong rigidity, stable operation and smooth and beautiful workpiece processing surface.

[0013] 2. Use human-machine intelligent control compensation device to compensate for grinding wheel wear, take digital processing as the benchmark, improve product quality, ensure quality consistency, reduce workers' workload, and realize humanized operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of the double-sided knife sharpener with automatic compensation for grinding wheel wear of the utility model;

[0016] Figure 2 It is a front view of the structure of the double-sided knife sharpener with automatic compensation for grinding wheel wear of the utility model;

[0017] Figure 3 It is a top view of the structure of the double-sided knife sharpener with automatic compensation for grinding wheel wear of the utility model;

[0018] Figure 4 for Figure 2 AA cross-sectional structural diagram;

[0019] Figure 5 for Figure 2 A magnified view of part B;

[0020] Figure 6 for Figure 3 Schematic diagram of the CC cross-section structure.

[0021] In the figure: 1-frame; 2-middle seat; 3-left spindle box; 4-right spindle box; 5-left main motor; 6-right main motor; 7-left grinding wheel; 8-right grinding wheel; 9-control box; 10-electric box; 11-hydraulic station device; 12-grinding wheel cylinder; 13-grinding wheel rack; 14-feed screw; 15-feed screw nut; 16-driving wheel; 17-driven wheel; 18-spindle; 19-tool holder seat; 20-tool holder mop; 21-tool holder cylinder; 22-knife beam; 23-tool holder; 24-clamp plate; 25-workpiece; 26-stepping motor; 27-compensation reducer; 28-compensation driving gear; 29-compensation driven gear; 30-compensation mechanism support rod; 31-water tank; 32-driven gear; 33-transmission shaft; 34-driving gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 6The utility model is a double-sided knife sharpener structure with automatic compensation for grinding wheel wear, comprising a frame 1, a middle seat 2 is installed on the top of the frame 1, and a left spindle box 3 and a right spindle box 4 that can move left and right are slidably connected to the left and right sides of the middle seat 2, respectively, and a left grinding wheel 7 and a right grinding wheel 8 arranged on the same horizontal plane are installed on the left spindle box 3 and the right spindle box 4, respectively, and a left main motor 5 and a right main motor 6 for driving the left grinding wheel 7 and the right grinding wheel 8 to rotate are installed on the top of the left spindle box 3 and the top of the right spindle box 4, respectively, and a grinding wheel cylinder 12 is installed on the rear side of the middle seat 2, and a hydraulic station device 11 for driving the grinding wheel cylinder 12 is provided on the left side of the frame 1, and a grinding wheel rack 13 is connected to the cylinder rod on the front side of the grinding wheel cylinder 12, and a feed screw 14 drivingly connected to the grinding wheel rack 13 is installed on the left and right sides of the middle seat 2, and the bottom of the left spindle box 3 is connected to the right spindle The bottom of the box 4 is respectively provided with a feed screw nut 15 screwed with the feed screw 14, a tool holder seat 19 is installed on the top of the frame 1, a tool holder cylinder 21 driven by the hydraulic station device 11 is installed on the top of the tool holder seat 19, and a tool holder support handle 20 is connected to the cylinder rod on the front side of the tool holder cylinder 21, and a tool beam 22 is installed on the tool beam 22, and a tool holding seat 23 is installed on the tool holding seat 23, and a fixture plate 24 is installed on the fixture plate 24, and a workpiece 25 is installed on the clamping plate 24, and a compensation mechanism support rod 30 is respectively installed on the left and right sides of the middle seat 2, and a compensation reducer 27 is installed on the compensation mechanism support rod 30, and a stepping motor 26 is connected to the power input end of the compensation reducer 27, and a compensation driving gear 28 is connected to the power output end of the compensation reducer 27, and the compensation driving gear 28 is meshed with a compensation driven gear 29 connected to the feed screw 14.The left main motor 5 and the right main motor 6 for driving the left grinding wheel 7 and the right grinding wheel 8 to rotate are respectively installed through the top of the left spindle box 3 and the top of the right spindle box 4, the cylinder rod on the front side of the grinding wheel cylinder 12 is connected with a grinding wheel rack 13, and the left and right sides of the middle seat 2 are respectively installed with a feed screw 14 that is transmission-connected with the grinding wheel rack 13, the bottom of the left spindle box 3 and the bottom of the right spindle box 4 are respectively provided with a feed screw nut 15 that is screwed with the feed screw 14, the cylinder rod on the front side of the tool holder cylinder 21 is connected with a tool holder support 20, the tool holder seat 19 is installed with a tool beam 22, the tool beam 22 is installed with a tool holder 23, the tool holder 23 is installed with a fixture plate 24, the fixture plate 24 is installed with a workpiece 25, the compensation mechanism support rod 30 is installed with a compensation reducer 27, the dynamic compensation reducer 27 A stepper motor 26 is connected to the force input end, and a compensation driving gear 28 is connected to the power output end of the compensation reducer 27. The compensation driving gear 28 is meshed with a compensation driven gear 29 connected to the feed screw 14. When working, the left main motor 5 and the right main motor 6 respectively drive the left grinding wheel 7 and the right grinding wheel 8 to rotate in opposite directions, and the grinding wheel cylinder 12 drives the two spindle boxes to move left and right for relative or opposite synchronous forward and backward sliding. The tool holder cylinder 21 drives the workpiece 25 to move back and forth for grinding. The stepper motor 26 drives the two spindle boxes to move left and right through the compensation reducer 27 to perform precise grinding wheel wear compensation, feeding, zeroing and other actions. The automatic compensation operation of grinding is performed through the human-machine control function and parameter setting. It is easy to operate, has stable quality, is conducive to mass production, and has the following beneficial effects:

[0024] 1. The tool holder mop 20, the left spindle box 3 and the right spindle box 4 are respectively driven by high-frequency processed hard rails, and are driven by high-pressure oil cylinders. They have strong rigidity, stable operation and smooth and beautiful workpiece processing surfaces.

[0025] 2. Use human-machine intelligent control compensation device to compensate for grinding wheel wear, take digital processing as the benchmark, improve product quality, ensure quality consistency, reduce workers' workload, and realize humanized operation.

[0026] The motor shaft of the left main motor 5 and the motor shaft of the right main motor 6 are respectively connected to a driving wheel 16. The left spindle box 5 and the right spindle box 6 are respectively provided with a spindle 18 for installing the left grinding wheel 7 and the right grinding wheel 8. The spindle 18 is installed with a driven wheel 17. The driving wheel 16 and the driven wheel 17 are connected by belt drive, so that the rotation of the left grinding wheel 7 and the right grinding wheel 8 is smoother.

[0027] The feed screw 14 is provided with a driven gear 32, and the middle seat 2 is installed with a transmission shaft 33. Both ends of the transmission shaft 33 are provided with driving gears 34 meshing with the driven gear 32. The driving gear 34 meshes with the grinding wheel rack 13, so that the transmission connection of the feed screw 14 is more stable and the rotation is smoother.

[0028] An electric box 10 is provided on the top of the hydraulic station device 11 . A driver for driving a stepper motor 26 is provided in the electric box 10 . The driver in the electric box 10 is controlled by a human-machine operation button on the control box 9 to drive the stepper motor 26 .

[0029] A control box 9 is installed on the left side of the frame 1 to facilitate the operation of the knife sharpener, and the grinding operation and the automatic compensation operation of the grinding process are performed through human-machine control and parameter setting.

[0030] A water tank 31 is provided at the rear side of the frame 1 to facilitate heat dissipation of the knife sharpener.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-sided knife sharpener structure with automatic compensation for grinding wheel wear, characterized in that: The machine comprises a frame, a middle seat is installed on the top of the frame, and the left and right sides of the middle seat are respectively slidably connected with a left spindle box and a right spindle box that can move left and right, the left spindle box and the right spindle box are respectively installed with a left grinding wheel and a right grinding wheel arranged on the same horizontal plane, the top of the left spindle box and the top of the right spindle box are respectively installed with a left main motor and a right main motor for driving the left grinding wheel and the right grinding wheel to rotate, a grinding wheel cylinder is installed on the rear side of the middle seat, and a hydraulic station device for driving the grinding wheel cylinder is provided on the left side of the frame, a grinding wheel rack is connected to the cylinder rod on the front side of the grinding wheel cylinder, a feed screw transmission-connected to the grinding wheel rack is installed on the left and right sides of the middle seat, and the bottom of the left spindle box and the bottom part of the right spindle box A feed screw nut threadedly connected to the feed screw is provided, a tool holder seat is installed on the top of the frame, a tool holder cylinder driven by the hydraulic station device is installed on the top of the tool holder seat, the cylinder rod on the front side of the tool holder cylinder is connected to a tool holder support handle, the tool holder seat is installed with a tool beam, the tool beam is installed with a tool holding seat, the tool holding seat is installed with a fixture plate, the fixture plate is installed with a workpiece, a compensation mechanism support rod is installed on the left and right sides of the middle seat respectively, a compensation reducer is installed on the compensation mechanism support rod, a stepping motor is connected to the power input end of the compensation reducer, a compensation driving gear is connected to the power output end of the compensation reducer, and the compensation driving gear is meshed with a compensation driven gear connected to the feed screw.

2. The double-sided knife sharpener structure with automatic compensation for grinding wheel wear according to claim 1 is characterized by: The motor shaft of the left main motor and the motor shaft of the right main motor are respectively connected to a driving wheel, the left spindle box and the right spindle box are respectively provided with a spindle for mounting the left grinding wheel and the right grinding wheel, the spindle is equipped with a driven wheel, and the driving wheel and the driven wheel are connected by belt transmission.

3. The double-sided knife sharpener structure with automatic compensation for grinding wheel wear according to claim 1 is characterized by: The feed screw rod is provided with a driven gear, the middle seat is equipped with a transmission shaft, both ends of the transmission shaft are provided with driving gears meshing with the driven gear, and the driving gear is meshed with the grinding wheel rack.

4. The double-sided knife sharpener structure with automatic compensation for grinding wheel wear according to claim 1 is characterized by: An electric box is arranged on the top of the hydraulic station device, and a driver for driving the stepping motor is arranged in the electric box.

5. The double-sided knife sharpener structure with automatic compensation for grinding wheel wear according to claim 1 is characterized by: A control box is installed on the left side of the frame.

6. The double-sided knife sharpener structure with automatic compensation for grinding wheel wear according to claim 1 is characterized by: A water tank is arranged on the rear side of the frame.

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