Double-end surface grinding machine for ceramics and control method

Abstract

The present invention discloses a double-end surface grinder for ceramics and a control method. The grinder comprises: a product guide groove, and a feeding device arranged at one end of the product guide groove for loading the product into the product guide groove. A grinding device is arranged beside at least one section of the product guide groove. The grinding device is driven by electricity to approach or move away from the product guide groove to grind the product in the product guide groove. The present invention does not require manual feeding, and the grinding efficiency is increased by 1.5 to 2 times.

Description

Technical Field

[0001] The invention relates to the field of grinders, and in particular to a double-end surface grinder for ceramics and a control method thereof. Background Art

[0002] The structure of the existing grinding machine for ceramics is as follows Figure 1 As shown, the grinder comprises an upper grinding disc 2 and a lower grinding disc 3 disposed above a transmission device 4, and a lifting and lowering device for lifting and lowering the upper grinding disc 2 is disposed above the upper grinding disc 2. When in use, the grinder is manually operated by the lifting and lowering device 1 to drive the upper grinding disc 2 to lift and lower. When the upper grinding disc 2 is lifted into place, the product is manually placed on the upper surface of the lower grinding disc 3, and then the upper grinding disc 2 is lowered, and the transmission device 4 is started to grind the product.

[0003] This type of grinder requires manual loading and unloading, which has high labor intensity, low grinding efficiency, and manual measurement of product thickness during the grinding process. Summary of the invention

[0004] The invention provides a double-end surface grinding machine for ceramics and a control method thereof, which are used to solve the technical problem of high labor intensity in manually loading and unloading materials and lifting a grinding disc.

[0005] In order to solve the above technical problems, the technical solution proposed by the present invention is:

[0006] A double-end surface grinder for ceramics comprises: a product guide groove, and a loading device arranged at one end of the product guide groove for loading products into the product guide groove, a grinding device is arranged beside at least one section of the product guide groove, and the grinding device is driven by electricity to approach or move away from the product guide groove to grind the product in the product guide groove.

[0007] Preferably, the grinding device comprises at least two grinding wheel units disposed beside the product guide groove, the at least two grinding wheel units are arranged in pairs, and each pair of grinding wheel units are arranged facing each other with the product guide groove as the center and rotate in opposite directions.

[0008] Preferably, it further comprises a control device and at least two groups of transmission devices connected to the corresponding grinding wheel units, and the control device is respectively connected to the at least two groups of transmission devices to control the rotation and stop of the grinding wheel unit through the transmission devices.

[0009] Preferably, the transmission device includes a motor, a reducer connected to the motor, and a frequency converter stepless speed regulation unit.

[0010] Preferably, the control device is also connected to a distance adjustment device, which includes a servo system, a precision ball screw and a numerical control unit connected to the grinding wheel unit accordingly. The numerical control unit is used to input and adjust the parameters of the servo system. The control device drives the grinding wheel unit to move along the precision ball screw through the servo system to adjust the distance between the two grinding wheel units, as well as the distance between the corresponding grinding wheel unit and the product guide groove.

[0011] Preferably, the product guide groove is a spiral column arranged in the up-down direction, the loading device is arranged at the lower end of the product guide groove, and the upper end of the product guide groove is also provided with a receiving device for collecting the product rotated out of the product guide groove.

[0012] Preferably, the feeding device comprises a vibrating plate, and the vibration of the vibrating plate causes the product to be inserted into the spiral column or into a spiral groove provided on the spiral column.

[0013] Preferably, it also includes a cooling system, which includes a coolant delivery pump and a coolant delivery pipeline. The coolant delivery pipeline is arranged next to the product guide groove and close to the grinding wheel. The cooling pipe outlet of the coolant delivery pipeline sprays coolant onto the product in the product guide groove to lubricate the product and cool the grinding wheel unit.

[0014] The present invention also provides a control method for the above-mentioned double-end surface grinding machine for ceramics, comprising the following steps:

[0015] The grinding wheel spacing is calculated and adjusted by the CNC system based on the final size of the product to be ground;

[0016] The product to be ground is vibrated by the vibration plate so that the product is inserted into the spiral column or into the spiral groove set on the spiral column, and the rotation speed of the grinding wheel unit and the distance from the product guide groove are controlled by the numerical control system;

[0017] Turn on the cooling system and spray coolant into the product guide groove to lubricate the product and cool the grinding wheel unit;

[0018] After the product is ground, it falls into the collecting device.

[0019] The present invention has the following beneficial effects:

[0020] 1. The double-end surface grinder for ceramics of the present invention does not require manual loading, and the grinding is performed by the grinding device, which improves the efficiency by 1.5 to 2 times compared with the original manual grinding. The size of the processed product can be set by adjusting the distance between the grinding device and the product guide groove, and there is no need to manually measure the product after the product is ground.

[0021] 2. In the preferred embodiment, the present invention is used for a double-end surface grinder for ceramics, and each pair of grinding wheel units are arranged facing each other with the product guide groove as the center and rotate in opposite directions, which can eliminate stress during the grinding process and achieve a rapid grinding effect.

[0022] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1 It is a structural schematic diagram of a grinding machine in the prior art;

[0025] Figure 2 It is a schematic structural diagram of a double-end surface grinder for ceramics according to a preferred embodiment of the present invention.

[0026] The symbols in the figure represent:

[0027] 1. Up and down lifting device; 2. Upper grinding disc; 3. Lower grinding disc; 4. Transmission device; 5. Cooling system; 6. Coolant delivery pump; 7. Material receiving device; 8. Grinding wheel unit; 9. Product guide groove; 10. CNC system; 11. Loading device. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0029] See also Figure 2 The double-end surface grinder for ceramics of the present invention comprises: a product guide groove 9, and a loading device 11 arranged at one end of the product guide groove 9 for loading the product into the product guide groove 9, and a grinding device is arranged beside at least one section of the product guide groove 9, and the grinding device is driven by electricity to approach or move away from the product guide groove 9 to grind the product in the product guide groove 9.

[0030] The above-mentioned double-end surface grinder does not require manual loading, and the grinding is performed by the grinding device, which improves the efficiency by 1.5 to 2 times compared with the original manual grinding. The size of the processed product can be set by adjusting the distance between the grinding device and the product guide groove 9. After the product is ground, there is no need to manually measure the product all the time.

[0031] In this embodiment, the product guide groove 9 is a spiral column arranged in the up-down direction, the feeding device 11 is arranged at the lower end of the product guide groove 9, and the upper end of the product guide groove 9 is also provided with a receiving device 7 for collecting the product rotated out of the product guide groove 9. In this embodiment, the feeding device 11 includes a vibration plate, and the vibration plate vibrates to make the product sleeved into the spiral column or loaded into the spiral groove arranged on the spiral column. When the product is annular, it is convenient for the sleeve-type guidance of the product, and the product can fall automatically without the need for a separate product driving device. The grinding wheel unit 8 preferably uses a diamond grinding wheel.

[0032] When implementing, see Figure 2 The grinding device includes at least two grinding wheel units 8 arranged beside the product guide groove 9, and the at least two grinding wheel units 8 are arranged in pairs, and each pair of grinding wheel units 8 is arranged facing each other with the product guide groove 9 as the center and rotates in opposite directions. In order to facilitate the control of the grinding wheel unit 8, a control device and at least two groups of transmission devices 4 connected to the corresponding grinding wheel units 8 can also be provided, and the control device is respectively connected to the at least two groups of transmission devices 4 to control the rotation and stop of the grinding wheel unit 8 through the transmission device 4. Preferably, the transmission device 4 includes a motor, a reducer connected to the motor, and a frequency converter stepless speed regulation unit.

[0033] In order to facilitate the control of the feed amount and the amount of supplementary cutting of the grinding wheel unit 8, it is necessary to control the distance between the grinding wheel units 8 or the distance between the grinding wheel unit 8 and the product guide groove 9. The control device is preferably also connected to a distance adjustment device, which includes a servo system (servo motor + servo driver) connected to the grinding wheel unit 8, a precision ball screw and a numerical control unit. The numerical control unit is used to input and adjust the parameters of the servo system. The control device drives the grinding wheel unit 8 to move along the precision ball screw through the servo system to adjust the distance between the two grinding wheel units 8, and adjust the distance between the corresponding grinding wheel unit 8 and the product guide groove 9.

[0034] In order to improve work efficiency, the double-end surface grinding machine of this embodiment can also be provided with a cooling system 5, which includes a coolant delivery pump 6 and a coolant delivery pipeline. The coolant delivery pipeline is arranged next to the product guide groove 9 and close to the grinding wheel. The cooling pipe outlet of the coolant delivery pipeline sprays coolant onto the product in the product guide groove 9 to lubricate the product and cool the grinding wheel unit 8.

[0035] When the double-end surface grinding machine of this embodiment is working, the following control method is adopted to perform grinding processing, including the following steps:

[0036] The grinding wheel spacing is calculated and adjusted by the numerical control system 10 according to the final size of the product to be ground; thus, precise positioning is achieved, and the wear of the grinding wheel unit 8 is accurately compensated by the fixed tool compensation of the numerical control system 10

[0037] The product to be ground is vibrated by a vibration plate so that the product is inserted into the spiral column or into the spiral groove provided on the spiral column, and the rotation speed of the grinding wheel unit 8 and the distance from the product guide groove 9 are controlled by the numerical control system 10;

[0038] The cooling system 5 is turned on, and a coolant (water is used as the coolant in this embodiment) is sprayed to the product guide groove 9 to lubricate the product and cool the grinding wheel unit 8. Through system programming, the spindle rotation cooling system 5 can be automatically turned on according to the on-site temperature during processing, and the cooling system 5 can also be manually turned off by a switch in the maintenance and debugging state. At the same time, a valve is installed on the pipeline of the cooling system 5 to control and adjust the water flow rate;

[0039] After the product is ground, it falls into the collecting device 7.

[0040] In summary, the present invention uses a product guide groove for automatic material guiding, does not require manual material feeding, and is ground by a grinding device, which improves the efficiency of manual grinding by 1.5 to 2 times. The size of the processed product can be set by adjusting the distance between the grinding device and the product guide groove 9, and there is no need to manually measure the product after the product is ground. Furthermore, each pair of grinding wheel units 8 is arranged facing each other with the product guide groove 9 as the center and rotates in opposite directions, which can eliminate stress during the grinding process and achieve a fast grinding effect.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A double-end surface grinding machine for ceramics, characterized in that: include: A spiral column arranged in an up-and-down direction, and a loading device (11) disposed at one end of the spiral column for loading a product onto the spiral column, a grinding device being disposed beside at least one section of the spiral column, the grinding device being driven by electricity to approach or move away from the spiral column to grind the product on the spiral column; The grinding device comprises at least two grinding wheel units (8) arranged beside the spiral column, the at least two grinding wheel units (8) being arranged in pairs, each pair of grinding wheel units (8) being arranged facing each other with the spiral column as the center and rotating in opposite directions; The feeding device (11) is arranged at the lower end of the spiral column, and the upper end of the spiral column is also provided with a receiving device (7) for collecting the product rotated out from the spiral column; the feeding device (11) comprises a vibrating plate, and the vibrating plate vibrates so that the product is inserted into the spiral column; It also includes a cooling system (5), the cooling system (5) including a coolant delivery pump (6) and a coolant delivery pipeline, the coolant delivery pipeline is arranged beside the spiral column and close to the grinding wheel unit (8), and the cooling pipe outlet of the coolant delivery pipeline sprays coolant onto the product on the spiral column to lubricate the product and cool the grinding wheel unit (8).

2. The double-end surface grinding machine for ceramics according to claim 1, characterized in that: It also comprises a control device and at least two groups of transmission devices (4) connected to corresponding grinding wheel units (8), wherein the control device is respectively connected to the at least two groups of transmission devices (4) to control the rotation and stop of the grinding wheel unit (8) through the transmission devices (4).

3. The double-end surface grinding machine for ceramics according to claim 2, characterized in that: The transmission device (4) comprises a motor, a reducer connected to the motor, and a frequency converter stepless speed regulation unit.

4. The double-end surface grinding machine for ceramics according to claim 2, characterized in that: The control device is also connected to a distance adjustment device, the distance adjustment device comprising a servo system, a precision ball screw and a numerical control unit connected to the grinding wheel unit (8) in correspondence, the numerical control unit being used to input and adjust parameters of the servo system, the control device drives the grinding wheel unit (8) to move along the precision ball screw via the servo system to adjust the distance between the two grinding wheel units (8), and to adjust the distance between the corresponding grinding wheel unit (8) and the spiral column.

5. A control method for a double-end surface grinder for ceramics according to any one of claims 1 to 4, characterized in that: The following steps are involved: Based on the final size of the product to be ground, the grinding wheel spacing is calculated and adjusted by the numerical control system (10); The product to be ground is vibrated by a vibration plate so that the product is inserted into the spiral column, and the rotation speed and the distance from the spiral column of the grinding wheel unit (8) are controlled by a numerical control system (10); Turning on the cooling system (5) to spray coolant onto the spiral column to lubricate the product and cool the grinding wheel unit (8); After the product is ground, it falls into the receiving device (7).

Images