Strip double-end automatic grinding equipment

Abstract

The utility model discloses a bar double-end automatic polishing device which comprises a cross beam, a cross beam sliding plate arranged on the cross beam and double-station polishing mechanisms installed on the cross beam sliding plate, the two ends of the cross beam are fixed to stand columns, guide rails are arranged on the cross beam, the cross beam sliding plate slides on the guide rails, and each set of polishing mechanism comprises an upper polishing head and a lower polishing head. An upper grinding head lateral floating mechanism is arranged on the upper grinding head, and a lower grinding head lateral floating mechanism is arranged on the lower grinding head. Each grinding head is provided with an independent lateral floating mechanism, so that the grinding heads can better fit the shape and the size of the edge of the side of the workpiece. The upper polishing head and the lower polishing head share a lifting arm, the height of the lower polishing head can be adjusted through servo lifting so as to be matched with workpieces of different thicknesses, and the upper polishing head can adjust pressing force through a pneumatic floating mechanism so as to achieve the vertical floating function.

Description

Technical Field

[0001] The utility model relates to a grinding device, in particular to a strip material double-head automatic grinding device. Background Art

[0002] The strips vary in size and the specifications vary greatly.

[0003] In the process of plate processing, in order to ensure the smoothness of the plate surface, the plate edge needs to be processed and polished to remove burrs. The traditional plate surface processing and polishing is done by operators holding the polishing workpiece to polish the plate surface and semi-automatic polishing equipment. Manual polishing is labor-intensive, has a bad working environment, uneven polishing, and poor polishing effect.

[0004] Due to the large range of plate sizes and various shapes, there is no mature technical route for automated grinding. Summary of the invention

[0005] In order to solve the problem of poor grinding effect, the utility model provides a strip material double-head automatic grinding device, two sets of grinding mechanisms grind at the same time, and the grinding efficiency is high.

[0006] The utility model provides the following technical solutions:

[0007] A double-head automatic grinding device for strip materials comprises a crossbeam, a crossbeam slide plate arranged on the crossbeam and a double-station grinding mechanism installed on the crossbeam slide plate, wherein both ends of the crossbeam are fixed on columns, a guide rail is arranged on the crossbeam, and the crossbeam slide plate slides on the guide rail, and each set of grinding mechanisms comprises an upper grinding head and a lower grinding head, wherein the upper grinding head is provided with an upper grinding head lateral floating mechanism, and the lower grinding head is provided with a lower grinding head lateral floating mechanism.

[0008] Furthermore, the lower grinding head lateral floating mechanism includes a lower grinding head lateral floating cylinder and a lower grinding head cantilever, the crossbeam slide is connected to the lower grinding head cantilever, the lower grinding head cantilever is connected to the lower grinding head lateral floating cylinder, and the lower grinding head cantilever is connected to the grinding head lifting arm.

[0009] Furthermore, an upper grinding head lateral floating mechanism is installed on the grinding head lifting arm, and the upper grinding head lateral floating mechanism includes an upper grinding head lateral floating cylinder and an upper grinding head lifting block, and the upper grinding head lifting block is connected to the upper grinding head.

[0010] Furthermore, the grinding head lifting arm is connected to the lower grinding head via a lower grinding head lifting block.

[0011] Furthermore, the lifting and floating mechanism is composed of a grinding head lifting arm, an upper grinding head lifting block and a lower grinding head lifting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The grinding heads are equipped with independent lateral floating mechanisms, which can better fit the shape and size of the side bevel of the workpiece. The upper and lower grinding heads share a lifting arm. The lower grinding head can be adjusted in height through servo lifting to match workpieces of different thicknesses. The upper grinding head can adjust the pressure through the pneumatic floating mechanism to achieve the up and down floating function. Due to the large span of strip size, two sets of grinding mechanisms are used for simultaneous grinding, which more than doubles the efficiency.

[0014] (2) Using pneumatic components to achieve flexible adjustment can not only ensure sufficient clamping force to ensure the grinding effect, but also ensure the stability of pressure and the uniformity of grinding. At the same time, it has a certain degree of self-adjustment toughness, thereby achieving flexible grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Figure 2 It is a side view of the utility model.

[0017] Figure 3 It is another side view of the utility model.

[0018] In the figure: 1. crossbeam; 2. servo motor; 3. column; 4. upper grinding head; 5. lower grinding head; 6. lateral floating mechanism of upper grinding head, 61. lateral floating cylinder of upper grinding head, 62. lifting block of upper grinding head; 7. lateral floating mechanism of lower grinding head, 71. lateral floating cylinder of lower grinding head, 72. cantilever of lower grinding head, 73. lifting arm of grinding head; 8. pressurizing valve; 9. pressure control valve; 10. crossbeam slide; 11. guide rail; 12. lifting block of lower grinding head; 13. pressure sensor; 14. 3D scanner; 15. flow valve; 16. workpiece. Implementation

[0019] 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 in 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.

[0020] See also Figure 1-3The utility model is a double-head automatic grinding device for strip materials, comprising a crossbeam 1, a crossbeam slide 10 arranged on the crossbeam 1 and a double-station grinding mechanism installed on the crossbeam slide 10, both ends of the crossbeam 1 are fixed on the column 3, a guide rail 11 is arranged on the crossbeam 1, and the crossbeam slide 10 slides on the guide rail 11, each set of grinding mechanism comprises an upper grinding head 4 and a lower grinding head 5, the upper grinding head 4 is provided with an upper grinding head lateral floating mechanism 6, and the lower grinding head 5 is provided with a lower grinding head lateral floating mechanism 7.

[0021] The lower grinding head lateral floating mechanism 7 includes a lower grinding head lateral floating cylinder 71 and a lower grinding head cantilever 72 , the crossbeam slide 10 is connected to the lower grinding head cantilever 72 , the lower grinding head cantilever 72 is connected to the lower grinding head lateral floating cylinder 71 , and the lower grinding head cantilever 72 is connected to the grinding head lifting arm 73 .

[0022] An upper grinding head lateral floating mechanism 6 is installed on the grinding head lifting arm 73 . The upper grinding head lateral floating mechanism 6 includes an upper grinding head lateral floating cylinder 61 and an upper grinding head lifting block 62 . The upper grinding head lifting block 62 is connected to the upper grinding head 4 .

[0023] The grinding head lifting arm 73 is connected to the lower grinding head 5 via the lower grinding head lifting block 12 .

[0024] The lifting and floating mechanism is composed of a grinding head lifting arm 73 , an upper grinding head lifting block 62 and a lower grinding head lifting block 12 .

[0025] The double-station grinding mechanisms are driven by the servo motor 2 and can move freely on the beam 1. The two sets of grinding mechanisms driven by the servo can cooperate with each other to grind the same side of the workpiece at the same time or grind one side separately.

[0026] The grinding head is driven by a servo motor and a synchronous pulley, avoiding hard-contact driving methods such as conventional gears. The toughness of the synchronous belt can extend the service life of the equipment.

[0027] The grinding mechanism can be rotated by servo drive, and the rotation angle can be adjusted by personnel to meet the grinding requirements of different grinding areas.

[0028] Each set of grinding mechanisms is composed of two sets of grinding heads, an upper set and a lower set. The two sets of grinding heads can perform grinding operations independently or cooperate with each other to perform grinding operations simultaneously.

[0029] The grinding heads are all equipped with independent lateral floating mechanisms, which can better fit the shape and size of the side bevel of the workpiece, and the workpiece 16 is located between the upper and lower grinding heads.

[0030] The upper and lower grinding heads share a lifting arm. The lower grinding head can be adjusted in height through servo lifting to match workpieces of different thicknesses. The upper grinding head can adjust the clamping force through a pneumatic floating mechanism to achieve an up and down floating function.

[0031] The bottom of the lower grinding head 5 is equipped with a multi-point pressure sensor 13, which can accurately detect the slight changes in the grinding force in the grinding area, and can provide real-time feedback to the PLC to facilitate timely adjustment of the floating force in all directions to ensure the effect and uniformity of grinding. The grinding and clamping head is equipped with a mechanical sensor, which can provide real-time feedback of the force value in all directions of the grinding head, and can automatically correct the posture of the grinding head according to the mechanical feedback information to ensure the uniformity of the grinding effect.

[0032] The upper grinding head 4 is equipped with a 3D scanner 14, which can accurately feedback the size and flatness information of the grinding area in advance, so that the PLC can make floating adjustments in advance. At the same time, the effect after grinding can be detected online, and the detection results can be fed back to the PLC and returned for re-grinding and rework according to the instructions of the PLC. The grinding head has a 3D scanning function, which can automatically identify the flatness of the workpiece surface, and can adjust the clamping force and posture of the grinding head in advance according to the data to ensure the uniformity of the grinding effect.

[0033] The pneumatic floating mechanism is equipped with a flow valve 15, a pressure valve 8 and a pressure control valve 9, which can display the pneumatic pressure changes in real time, and control the pressure and gas volume of the air circuit after comprehensive data processing based on the pressure feedback data, the pressure sensor feedback data and the data fed back by the 3D scanner, to ensure the uniformity of the floating grinding effect. The grinding and clamping head is equipped with a mechanical sensor, which can provide real-time feedback on the force value in all directions of the grinding head, and can automatically correct the posture of the grinding head based on the mechanical feedback information to ensure the uniformity of the grinding effect.

[0034] A closed loop is formed by the pressure sensor, various functional mechanisms and PLC to receive data in real time, correct the grinding parameters in real time, monitor the grinding effect in real time and perform local rework in real time.

[0035] The workpiece information is input into the PLC system at the front end. The PLC presets the parameters of each functional mechanism according to the workpiece information. During the actual grinding process, each functional mechanism feeds back data in real time. The PLC processes the data online and adjusts the grinding speed, angle, and posture in real time according to the data results.

[0036] The polishing pass rate can be directly monitored online, and the data can be fed back for timely correction, and unqualified areas can be partially reworked immediately.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-head automatic grinding device for strips, characterized by: The invention comprises a crossbeam (1), a crossbeam slide plate (10) arranged on the crossbeam (1), and a double-station grinding mechanism installed on the crossbeam slide plate (10), wherein both ends of the crossbeam (1) are fixed on a column (3), a guide rail (11) is arranged on the crossbeam (1), and the crossbeam slide plate (10) slides on the guide rail (11), and each set of grinding mechanisms comprises an upper grinding head (4) and a lower grinding head (5), wherein the upper grinding head (4) is provided with an upper grinding head lateral floating mechanism (6), and the lower grinding head (5) is provided with a lower grinding head lateral floating mechanism (7).

2. The double-head automatic grinding device for strip materials according to claim 1 is characterized in that: The lower grinding head lateral floating mechanism (7) comprises a lower grinding head lateral floating cylinder (71) and a lower grinding head cantilever (72); the crossbeam slide plate (10) is connected to the lower grinding head cantilever (72); the lower grinding head cantilever (72) is connected to the lower grinding head lateral floating cylinder (71); and the lower grinding head cantilever (72) is connected to the grinding head lifting arm (73).

3. The double-head automatic grinding device for strip materials according to claim 2 is characterized in that: An upper grinding head lateral floating mechanism (6) is installed on the grinding head lifting arm (73), and the upper grinding head lateral floating mechanism (6) comprises an upper grinding head lateral floating cylinder (61) and an upper grinding head lifting block (62), and the upper grinding head lifting block (62) is connected to the upper grinding head (4).

4. The double-head automatic grinding device for strip materials according to claim 3 is characterized in that: The grinding head lifting arm (73) is connected to the lower grinding head (5) via a lower grinding head lifting block (12).

5. The double-head automatic grinding device for strip materials according to claim 4 is characterized in that: The grinding head lifting arm (73), the upper grinding head lifting block (62) and the lower grinding head lifting block (12) form a lifting and floating mechanism.

Images