Grinding bed for inner diameter and outer diameter of circular blade
By designing a vertical circular blade inner and outer diameter grinding machine, combined with a high-precision Z-axis servo motor and X-axis linear motor, the problem of insufficient precision of existing equipment is solved, and high-precision and high-stability circular blade processing is achieved.
Patent Information
- Application Number
- CN202422737902.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-11
AI Technical Summary
The existing slitting circular knives have high processing precision for inner and outer circles, but domestic processing equipment relies on imports and lacks independent and controllable high-precision grinding equipment.
A circular blade inner and outer diameter grinding machine was designed, which adopted a vertical processing scheme and combined the design of Z-axis servo motor, X-axis linear motor and three-jaw chuck to achieve high-precision and high-stability processing.
The verticality and concentricity of the product are improved, with the accuracy reaching within 0.005mm, which is a significant improvement compared to traditional equipment. The equipment is highly versatile and has a wide processing range.
Smart Images

Figure CN223339022U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a circular blade inner and outer diameter grinding machine, belonging to the technical field of slitting circular blade processing. Background Art
[0002] At present, slitting circular knives are used in many industries such as papermaking, tape products, cables, rubber, aluminum foil, etc. The processing precision of the inner and outer circles of slitting circular knives is extremely high, and most domestic processing equipment relies on imports. Utility Model Content
[0003] The purpose of the utility model is to provide a circular blade inner and outer diameter grinding machine to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0005] A circular blade inner and outer diameter grinding machine includes a Z-axis balancing cylinder, a Z-axis servo motor and a Z-axis coupling. The grinding wheel group is clamped on the grinding wheel spindle through oil pressure. The grinding wheel spindle is mounted on the grinding wheel spindle mounting seat through screws. The grinding wheel spindle mounting seat is mounted on the Z-axis slide through screws. The roller guide block is mounted on the Z-axis guide rail and connected to the Z-axis slide. The screw nut of the Z-axis screw is connected to the Z-axis slide. Both ends of the screw are mounted on the X-axis slide. The Z-axis servo motor and the Z-axis balancing cylinder are mounted on the top of the X-axis slide. The Z-axis servo motor is connected to the Z-axis screw through the Z-axis coupling. The Z-axis balancing cylinder 1 is connected to the Z-axis slide through a screw for balancing the Z-axis load weight. The processing Z-axis is driven by the Z-axis servo motor to rotate the Z-axis screw, and the Z-axis slide moves up and down. The Z-axis drag chain is connected between the Z-axis slide and the X-axis slide to protect the cables and air pipes as they move with the Z-axis moving slide.
[0006] Preferably, it also includes an X-axis linear motor, an X-axis guide rail and an X-axis slider. The X-axis guide rail is installed on the bed column, the X-axis slider is installed on the X-axis slide and connected to the X-axis guide rail, the X-axis linear motor is installed on the bed column and connected to the X-axis slide. When the X-axis linear motor moves, it drives the X-axis slide to move. The X-axis drag chain is connected between the X-axis slide and the bed column to protect the cables and air pipes as they move with the X-axis moving slide. The bed column is installed on the bed.
[0007] Preferably, it also includes a turntable motor, a turntable motor mounting seat, a turntable belt and a turntable spindle. The grinding wheel bracket is mounted on the grinding wheel base, the grinding wheel base is mounted on the bed, the turntable motor is mounted on the turntable motor mounting seat, the turntable motor mounting seat is mounted on the bed, the turntable spindle is mounted on the bed, the three-jaw chuck mounting seat is mounted on the turntable spindle, the three-jaw chuck is mounted on the three-jaw chuck mounting seat, the cooling oil pipe is installed on the turntable spindle to spray cooling oil, and the turntable belt is connected to the turntable spindle and the turntable motor using a pulley.
[0008] Compared with the existing technology, the beneficial effects of the present invention are: the present invention has high precision, high stability and a wide range of applications. The present invention adopts a vertical processing solution to assemble and adjust the verticality of a product with a thickness of 20mm to within 0.003mm, which is a qualitative improvement over the traditional equipment with an accuracy of 0.01mm. The high rigidity and high precision structural design ensure that the accuracy of all aspects of the product after processing is within 0.005mm. The product's rotating axis adopts a three-jaw chuck design, which makes the equipment highly versatile and has a wide processing range. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0010] Figure 2 This is a schematic diagram of the connection structure between the turntable motor and the turntable main shaft of the utility model;
[0011] In the figure: Z-axis balancing cylinder 1, Z-axis servo motor 2, Z-axis coupling 3, Z-axis guide rail 4, Z-axis screw 5, Z-axis slide 6, grinding wheel spindle 7, grinding wheel spindle mounting seat 8, grinding wheel group 9, bed 10, grinding wheel base 11, grinding wheel bracket 12, bed column 13, X-axis linear motor 14, X-axis guide rail 15, X-axis slider 16, X-axis drag chain 17, X-axis slide 18, Z-axis drag chain 19, turntable motor 20, turntable motor mounting seat 21, turntable belt 22, turntable spindle 23, three-jaw chuck mounting seat 24, three-jaw chuck 25, cooling oil pipe 26. DETAILED DESCRIPTION
[0012] The technical solutions in the embodiments of the present invention will be clearly and completely explained below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0013] like Figure 1-2 As shown, a circular blade inner and outer diameter grinding machine includes a Z-axis balancing cylinder 1, a Z-axis servo motor 2 and a Z-axis coupling 3. The grinding wheel group 9 is clamped on the grinding wheel spindle 7 by oil pressure. The grinding wheel spindle 7 is mounted on the grinding wheel spindle mounting seat 8 by screws. The grinding wheel spindle mounting seat 8 is mounted on the Z-axis slide 6 by screws. The roller guide block is mounted on the Z-axis guide rail 4 and connected to the Z-axis slide 6. The screw nut of the Z-axis lead screw 5 is connected to the Z-axis slide 6. The two ends of the lead screw are mounted on the X-axis slide 18. The Z-axis servo motor 2 and the Z-axis balancing cylinder 1 are installed on the top of the X-axis skateboard 18. The Z-axis servo motor 2 is connected to the Z-axis screw 5 through the Z-axis coupling 3. The Z-axis balancing cylinder 1 is connected to the Z-axis skateboard 6 through a screw, which is used to balance the Z-axis load weight. The processing Z-axis is driven by the Z-axis servo motor 2 to drive the Z-axis screw 5 to rotate, and the Z-axis skateboard 6 moves up and down. The Z-axis drag chain 19 is connected between the Z-axis skateboard 6 and the X-axis skateboard 18 to protect the cables and air pipes as they move with the Z-axis moving skateboard.
[0014] It also includes an X-axis linear motor 14, an X-axis guide rail 15 and an X-axis slider 16. The X-axis guide rail 15 is installed on the bed column 13, the X-axis slider 16 is installed on the X-axis slide 18 and is connected to the X-axis guide rail 15, the X-axis linear motor 14 is installed on the bed column 13 and is connected to the X-axis slide 18. When the X-axis linear motor 14 moves, it drives the X-axis slide 18 to move. The X-axis drag chain 17 is connected between the X-axis slide 18 and the bed column 13 to protect the cables and air pipes as they move with the X-axis moving slide. The bed column 13 is installed on the bed 10.
[0015] It also includes a turntable motor 20, a turntable motor mounting seat 21, a turntable belt 22 and a turntable spindle 23. The grinding wheel bracket 12 is mounted on the grinding wheel base 11, the grinding wheel base 11 is mounted on the bed 10, the turntable motor 20 is mounted on the turntable motor mounting seat 21, the turntable motor mounting seat 21 is mounted on the bed 10, the turntable spindle 23 is mounted on the bed 10, the three-jaw chuck mounting seat 24 is mounted on the turntable spindle 23, the three-jaw chuck 25 is mounted on the three-jaw chuck mounting seat 24, the cooling oil pipe 26 is installed on the turntable spindle 23 to spray cooling oil, and the turntable belt 22 is connected to the turntable spindle 23 and the turntable motor 20 using a pulley.
[0016] The equipment adopts a vertical processing solution, which is extremely beneficial for adjusting the equipment precision, especially the adjustment of the verticality of the product. It is equipped with a 15KW electric spindle with strong grinding force and high precision, and is equipped with a coarse and fine grinding wheel set to improve product precision. The product's rotating axis uses a 5.5KW motor to drive a high-precision spindle in a belt manner, effectively ensuring rotation accuracy and stability. A fixture installation position is installed above the product's rotating axis, and a fixture connecting seat is designed. The connecting seat has four-directional adjustment screws. After the fixture is installed, the four adjustment screws are used to adjust the coaxiality of the fixture and the spindle, thereby ensuring that the product has extremely high concentricity. The fixture is clamped with a three-jaw chuck, which makes it highly versatile. Different fixtures are designed according to the characteristics of the product, and the maximum processing diameter meets 500mm. The Z-axis of the equipment adopts roller 35R guide rails and 32R lead screws and adopts 1.5KW servo motor to ensure strong rigidity and high precision. The X-axis feed axis adopts three 35R guide rails and 1.5KW linear motor drive. The full closed loop with magnetic scale ensures the X-axis repeat positioning accuracy within 0.001mm.
[0017] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, based on the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, replacements and variations made to the implementation methods are still within the scope of protection of the present invention.
Claims
1. A circular blade inner and outer diameter grinding machine, characterized in that: It includes a Z-axis balancing cylinder, a Z-axis servo motor and a Z-axis coupling. The grinding wheel group is clamped on the grinding wheel spindle through oil pressure. The grinding wheel spindle is installed on the grinding wheel spindle mounting seat through screws. The grinding wheel spindle mounting seat is installed on the Z-axis slide through screws. The roller guide block is installed on the Z-axis guide rail and connected to the Z-axis slide. The screw nut of the Z-axis screw is connected to the Z-axis slide. Both ends of the screw are installed on the X-axis slide. The Z-axis servo motor and the Z-axis balancing cylinder are installed on the top of the X-axis slide. The Z-axis servo motor is connected to the Z-axis screw through the Z-axis coupling. The Z-axis balancing cylinder is connected to the Z-axis slide through a screw to balance the Z-axis load weight. The processing Z-axis is driven by the Z-axis servo motor to rotate the Z-axis screw, and the Z-axis slide moves up and down. The Z-axis drag chain is connected between the Z-axis slide and the X-axis slide to protect the cables and air pipes as they move with the Z-axis moving slide.
2. A circular blade inner and outer diameter grinding machine according to claim 1, characterized in that: It also includes an X-axis linear motor, an X-axis guide rail and an X-axis slider. The X-axis guide rail is installed on the bed column, the X-axis slider is installed on the X-axis slide and connected to the X-axis guide rail, the X-axis linear motor is installed on the bed column and connected to the X-axis slide. When the X-axis linear motor moves, it drives the X-axis slide to move. The X-axis drag chain is connected between the X-axis slide and the bed column to protect the cables and air pipes as they move with the X-axis moving slide. The bed column is installed on the bed.
3. A circular blade inner and outer diameter grinding machine according to claim 2, characterized in that: It also includes a turntable motor, a turntable motor mounting seat, a turntable belt and a turntable spindle. The grinding wheel bracket is installed on the grinding wheel base, the grinding wheel base is installed on the bed, the turntable motor is installed on the turntable motor mounting seat, the turntable motor mounting seat is installed on the bed, the turntable spindle is installed on the bed, the three-jaw chuck mounting seat is installed on the turntable spindle, the three-jaw chuck is installed on the three-jaw chuck mounting seat, the cooling oil pipe is installed on the turntable spindle to spray cooling oil, and the turntable belt is connected to the turntable spindle and the turntable motor using a pulley.