High-precision numerical control guide rail grinding device

Abstract

The utility model relates to a high-precision numerical control guide rail grinding device which comprises a rectangular bin, a guide groove is formed in the inner top wall of the rectangular bin, a guide block is connected into the guide groove in a sliding mode, an installation block is fixed to the bottom face of the guide block, a grinding mechanism is arranged at the bottom of the installation block, and a cooling mechanism is arranged on the rectangular bin. U-shaped plates are fixed to the inner walls of the left side and the right side of the rectangular bin, a motor is fixed to the right side of the rectangular bin, and a lead screw which horizontally penetrates through the mounting block and is in threaded connection with the mounting block is fixed to an output shaft of the motor. When the high-precision numerical control guide rail grinding device is used, a guide rail is placed in the rectangular bin, the grinding mechanism is driven by the motor to move left and right for grinding machining, cooling liquid can be sprayed on the guide rail through the cooling mechanism during grinding machining, and then the ground part is cooled; and the grinding machining quality is prevented from being affected by too high temperature of the guide rail, practicability is better, and application and popularization are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of high-precision numerically controlled guide rail grinding devices, in particular to a high-precision numerically controlled guide rail grinding device. Background Art

[0002] A guide rail is a device that uses grooves or ridges made of metal or other materials to support, fix, guide moving devices or equipment and reduce their friction. In order to improve the accuracy of the guide rail, the guide rail is ground by a grinding device to improve the accuracy.

[0003] For example, a Chinese patent (publication number: CN218697121U) discloses a CNC linear guide groove grinding device, comprising: a workbench, wherein motors are fixedly connected to the interior of the front and rear sides of the workbench respectively, a lead screw is fixedly connected to the motor output shaft, a slider is movably connected to the end of the lead screw close to the motor, the slider is fixedly connected to a fixed seat, telescopic rods are movably connected to the interiors of the two fixed seats at opposite surfaces, the top ends of the two telescopic rods are rotatably connected to a rotating shaft and fixedly connected to a connecting rod respectively, a brush is fixedly connected to the end of the connecting rod located on the front side away from the fixed seat, and a grinding wheel is fixedly connected to the end of the rotating shaft located on the rear side away from the fixed seat, the grinding wheel is driven by the slider to grind back and forth on the track surface, thereby solving the problem that the guide track groove grinding cannot be performed back and forth, and then the debris is cleaned by the brush, thereby solving the problem that the debris cannot be cleaned synchronously.

[0004] However, the above-mentioned search patent still has some shortcomings. When it is used, it is not convenient to cool down the guide rail being processed. The metal guide rail will generate heat during grinding. The heat cannot be dissipated in time and it is easy to affect the processing quality of the guide rail. Therefore, a high-precision CNC guide rail grinding device is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-precision CNC guide rail grinding device, which has the advantages of being easy to cool the guide rail, etc., and solves the problem that the device disclosed in the above-mentioned search patent is not easy to cool the guide rail when in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision CNC guide rail grinding device, comprising a rectangular bin, a guide groove is provided on the inner top wall of the rectangular bin, a guide block is slidably connected in the guide groove, a mounting block is fixed to the bottom surface of the guide block, a grinding mechanism is provided at the bottom of the mounting block, a cooling mechanism is provided on the rectangular bin, U-shaped plates are fixed on the inner walls on both sides of the rectangular bin, a motor is fixed on the right side of the rectangular bin, and a screw rod that horizontally penetrates the mounting block and is threadedly connected to the motor is fixed to the output shaft of the motor;

[0007] The cooling mechanism includes a bottom bin fixed on the bottom surface of the rectangular bin, a water pump is fixed on the left side of the rectangular bin, a water inlet pipe extending from the bottom end to the inside of the bottom bin is fixed to the water inlet end of the water pump, a water supply pipe is fixed to the water outlet end of the water pump, and a nozzle is fixed to the right end of the water supply pipe.

[0008] Furthermore, the cooling mechanism also includes a circular rod fixed on the left side of the mounting block, a slip ring is slidably connected to the outer peripheral wall of the circular rod, a fastening bolt is threadedly connected to the outer peripheral wall of the slip ring, and the nozzle is fixed to the slip ring.

[0009] Furthermore, the cooling mechanism also includes a cleaning brush fixed at the bottom end of the circular rod, a plurality of reflux holes connected to the bottom bin are opened on the inner bottom wall of the rectangular bin, rectangular holes are opened on the inner bottom wall of the rectangular bin and the top surface of the bottom bin, an annular plate is slidably connected in the rectangular hole at the top, and a filter box is fixed on the bottom surface of the annular plate.

[0010] Furthermore, a threaded hole is provided on the right side of the mounting block for the screw rod to pass through and be threadedly connected thereto, the guide groove is used for the guide block to slide left and right inside it, the front and rear sides of the U-shaped plate are threadedly connected with screw rods, the opposite ends of the two screw rods are rotatably connected with clamping plates, and the opposite ends of the two screw rods are fixed with rotating plates.

[0011] Furthermore, the bottom bin is filled with water-cooling liquid, the water supply pipe is a corrugated hose, the circular rod is located on the left side of the mounting block and close to the back side, the circular rod is used for the slip ring to slide and rotate on its outer peripheral wall, and the fastening bolt extends into the interior of the slip ring and abuts against the circular rod.

[0012] Furthermore, the bottom surface of the cleaning brush contacts the inner bottom wall of the rectangular bin, and the plurality of reflow holes are distributed in a rectangular array, the rectangular holes are close to the right side of the rectangular bin, and two of the rectangular holes are opposite to each other up and down.

[0013] Furthermore, the area of ​​the rectangular hole at the top is larger than that of the rectangular hole at the bottom, the size of the annular plate is adapted to the rectangular hole at the top, and the top surface of the filter box is open and flush with the inner bottom wall of the rectangular bin.

[0014] Furthermore, the area of ​​the rectangular hole at the top is larger than that of the rectangular hole at the bottom, the size of the annular plate is adapted to the rectangular hole at the top, and the top surface of the filter box is open and flush with the inner bottom wall of the rectangular bin.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] 1. When using the high-precision CNC guide rail grinding device, the guide rail to be ground is placed in the rectangular bin, and the grinding mechanism is driven by the motor to move left and right for grinding to improve the guide rail accuracy. During the grinding process, the cooling mechanism is equipped with a water pump and a nozzle to spray coolant on the guide rail, thereby cooling the grinding part to avoid excessive temperature of the guide rail affecting the quality of the grinding process. The device has better practicality and is easier to promote and use.

[0017] 2. When the high-precision CNC guide rail grinding device is in use, the coolant will flush the grinding debris on the guide rail to achieve a cleaning effect. At the same time, the coolant will flow back to the bottom bin for recovery, and the debris will be retained on the inner bottom wall of the rectangular bin. When the grinding mechanism moves to the right, it drives the cleaning brush to move to the right to collect the debris into the filter box, which is convenient for cleaning and further improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the slip ring of the utility model;

[0020] Figure 3 It is a cross-sectional front view schematic diagram of the bottom bin of the utility model;

[0021] Figure 4 It is a top view schematic diagram of the U-shaped plate of the utility model.

[0022] In the figure: 1 rectangular bin, 2 guide groove, 3 guide block, 4 mounting block, 5 grinding mechanism, 6 cooling mechanism, 601 bottom bin, 602 water pump, 603 water inlet pipe, 604 water delivery pipe, 605 nozzle, 606 round rod, 607 slip ring, 608 fastening bolt, 609 cleaning brush, 610 reflux hole, 611 rectangular hole, 612 annular plate, 613 filter box, 7 U-shaped plate, 8 motor, 9 lead screw, 10 screw, 11 clamping plate, 12 rotating plate. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1A high-precision CNC guide rail grinding device in this embodiment includes a rectangular warehouse 1, a guide groove 2 is opened on the inner top wall of the rectangular warehouse 1, a guide block 3 is slidably connected in the guide groove 2, a mounting block 4 is fixed to the bottom surface of the guide block 3, a grinding mechanism 5 is provided at the bottom of the mounting block 4, and a cooling mechanism 6 is provided on the rectangular warehouse 1. When in use, the guide rail to be processed and ground is placed in the rectangular warehouse 1, and the grinding mechanism 5 is driven by the motor 8 to move left and right for grinding to improve the accuracy of the guide rail. When grinding, the cooling mechanism 6 can spray coolant on the guide rail, and then cool the grinding processing part to avoid the guide rail temperature being too high and affecting the quality of the grinding process. It has better practicality and is more convenient for promotion and use.

[0025] See also Figure 1 and Figure 4 , a threaded hole is provided on the right side of the mounting block 4 for the screw rod 9 to pass through and be threadedly connected thereto, and the guide groove 2 is used for the guide block 3 to slide left and right therein, and the front and rear sides of the U-shaped plate 7 are threadedly connected with screw rods 10, and the opposite ends of the two screw rods 10 are rotatably connected with clamping plates 11, and the opposite ends of the two screw rods 10 are fixed with rotating plates 12, and U-shaped plates 7 are fixed on the inner walls of the left and right sides of the rectangular warehouse 1, and a motor 8 is fixed on the right side of the rectangular warehouse 1, and the output shaft of the motor 8 is fixed with a screw rod 9 that horizontally passes through the mounting block 4 and is threadedly connected thereto. When in use, the guide rail to be processed is placed between the two U-shaped plates 7, and the screw 10 is rotated to push the clamping plate 11 to clamp the guide rail for fixing, and then the motor 8 is started to drive the screw rod 9 to rotate, and the screw rod 9 drives the mounting block 4 to cooperate with the guide block 3 and the guide groove 2 to slide left and right, and further drives the grinding mechanism 5 at the bottom of the mounting block 4 to move horizontally to grind the guide rail.

[0026] It should be noted that the grinding mechanism 5 can drive the grinding wheel to move up and down and rotate, which is a mature and public technology in the prior art. Therefore, its specific structure and working principle will not be described in detail in this article. In addition, the control method of this application is controlled by a controller, and the control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and this application is mainly used to protect mechanical devices, so this application will no longer explain the control method and circuit connection in detail.

[0027] See also Figure 1-2The cooling mechanism 6 includes a bottom bin 601 fixed on the bottom surface of the rectangular bin 1, a water pump 602 is fixed on the left side of the rectangular bin 1, a water inlet pipe 603 extending from the bottom end to the inside of the bottom bin 601 is fixed to the water inlet end of the water pump 602, a water delivery pipe 604 is fixed to the water outlet end of the water pump 602, and a nozzle 605 is fixed to the right end of the water delivery pipe 604. When grinding, the water pump 602 is started, and the water pump 602 extracts the coolant in the bottom bin 601 through the water inlet pipe 603, and transports it to the nozzle 605 through the water delivery pipe 604. The coolant is sprayed on the guide rail through the nozzle 605 to cool it down, and at the same time, the grinding debris is flushed down to achieve a cleaning effect.

[0028] See also Figure 1-3 In this embodiment, the cooling mechanism 6 also includes a circular rod 606 fixed to the left side of the mounting block 4, a slip ring 607 is slidably connected to the outer peripheral wall of the circular rod 606, a fastening bolt 608 is threadedly connected to the outer peripheral wall of the slip ring 607, and the nozzle 605 is fixed to the slip ring 607. When the grinding mechanism 5 moves left and right for grinding, the mounting block 4 will also drive the circular rod 606 to move left and right, so that the circular rod 606 drives the nozzle 605 to always follow the grinding mechanism 5 for precise cooling. In addition, rotating the fastening bolt 608 can slide the slip ring 607 up and down, thereby adjusting the height position of the nozzle 605, which is convenient for better cooling.

[0029] The bottom bin 601 is filled with water-cooling liquid, the water supply pipe 604 is a corrugated hose, the circular rod 606 is located on the left side of the mounting block 4 and close to the back, the circular rod 606 is used for the slip ring 607 to slide and rotate on its outer wall, and the fastening bolt 608 extends to the inside of the slip ring 607 and abuts against the circular rod 606.

[0030] See also Figure 1-3 In this embodiment, the cooling mechanism 6 also includes a cleaning brush 609 fixed at the bottom end of the circular rod 606, and a plurality of reflux holes 610 connected to the bottom bin 601 are provided on the inner bottom wall of the rectangular bin 1. Rectangular holes 611 are provided on the inner bottom wall of the rectangular bin 1 and the top surface of the bottom bin 601. An annular plate 612 is slidably connected in the top rectangular hole 611, and a filter box 613 is fixed on the bottom surface of the annular plate 612. After the coolant flushes the guide rail, it will remain on the inner bottom wall of the rectangular bin 1 and flow back into the bottom bin 601 through the reflux holes 610 for recovery, while retaining debris on the inner bottom wall of the rectangular bin 1. When the mounting block 4 drives the circular rod 606 to move to the right, it will also drive the cleaning brush 609 to move to the right, thereby sweeping the debris into the filter box 613 for collection.

[0031] The bottom surface of the cleaning brush 609 contacts the inner bottom wall of the rectangular bin 1 , and a plurality of reflux holes 610 are distributed in a rectangular array. The rectangular hole 611 is close to the right side of the rectangular bin 1 , and the two rectangular holes 611 are opposite to each other up and down.

[0032] The area of ​​the top rectangular hole 611 is larger than that of the bottom rectangular hole 611 , the size of the annular plate 612 is adapted to the top rectangular hole 611 , and the top surface of the filter box 613 is open and flush with the inner bottom wall of the rectangular bin 1 .

[0033] The working principle of the above embodiment is:

[0034] (1) When in use, place the guide rail to be processed between the two U-shaped plates 7, rotate the screw 10 to push the clamping plate 11 to clamp the guide rail for fixing, then start the motor 8 to drive the screw 9 to rotate, the screw 9 drives the mounting block 4 to cooperate with the guide block 3 and the guide groove 2 to slide left and right, and further drives the grinding mechanism 5 at the bottom of the mounting block 4 to move horizontally to grind the guide rail.

[0035] (2) When grinding, start the water pump 602. The water pump 602 extracts the coolant in the bottom bin 601 through the water inlet pipe 603 and delivers it to the nozzle 605 through the water supply pipe 604. The nozzle 605 sprays the coolant on the guide rail to cool it down and washes down the grinding debris to achieve a cleaning effect. When the grinding mechanism 5 moves left and right for grinding, the mounting block 4 will also drive the circular rod 606 to move left and right, so that the circular rod 606 drives the nozzle 605 to always follow the grinding mechanism 5 for precise cooling. In addition, the fastening bolt 608 can slide the slip ring 607 up and down, thereby adjusting the height position of the nozzle 605 to facilitate better cooling.

[0036] (3) After the coolant flushes the guide rail, it will remain on the inner bottom wall of the rectangular bin 1 and flow back into the bottom bin 601 through the reflux hole 610 for recovery, while retaining the debris on the inner bottom wall of the rectangular bin 1. When the mounting block 4 drives the circular rod 606 to move to the right, it will also drive the cleaning brush 609 to move to the right, thereby sweeping the debris into the filter box 613 for collection.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] 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 high-precision CNC guide rail grinding device, comprising a rectangular bin (1), characterized in that: A guide groove (2) is provided on the inner top wall of the rectangular bin (1), a guide block (3) is slidably connected in the guide groove (2), a mounting block (4) is fixed on the bottom surface of the guide block (3), a grinding mechanism (5) is provided on the bottom of the mounting block (4), a cooling mechanism (6) is provided on the rectangular bin (1), U-shaped plates (7) are fixed on the inner walls on both sides of the rectangular bin (1), a motor (8) is fixed on the right side of the rectangular bin (1), and a screw rod (9) which horizontally penetrates the mounting block (4) and is threadedly connected thereto is fixed to the output shaft of the motor (8); The cooling mechanism (6) comprises a bottom bin (601) fixed to the bottom surface of the rectangular bin (1); a water pump (602) is fixed to the left side of the rectangular bin (1); a water inlet pipe (603) is fixed to the water inlet end of the water pump (602) and the bottom end extends to the inside of the bottom bin (601); a water supply pipe (604) is fixed to the water outlet end of the water pump (602); and a nozzle (605) is fixed to the right end of the water supply pipe (604).

2. A high-precision CNC guide rail grinding device according to claim 1, characterized in that: The cooling mechanism (6) further comprises a circular rod (606) fixed on the left side of the mounting block (4); a slip ring (607) is slidably connected to the outer peripheral wall of the circular rod (606); a fastening bolt (608) is threadedly connected to the outer peripheral wall of the slip ring (607); and the nozzle (605) is fixed to the slip ring (607).

3. A high-precision CNC guide rail grinding device according to claim 2, characterized in that: The cooling mechanism (6) further comprises a cleaning brush (609) fixed to the bottom end of the circular rod (606); a plurality of reflux holes (610) connected to the bottom bin (601) are provided on the inner bottom wall of the rectangular bin (1); rectangular holes (611) are provided on the inner bottom wall of the rectangular bin (1) and on the top surface of the bottom bin (601); an annular plate (612) is slidably connected in the rectangular hole (611) at the top; a filter box (613) is fixed to the bottom surface of the annular plate (612).

4. A high-precision CNC guide rail grinding device according to claim 1, characterized in that: The right side of the mounting block (4) is provided with a threaded hole for a screw rod (9) to pass through and be threadedly connected thereto; the guide groove (2) is used for the guide block (3) to slide left and right inside the guide groove; the front and rear sides of the U-shaped plate (7) are both threadedly connected with screw rods (10); the opposite ends of the two screw rods (10) are both rotatably connected with a clamping plate (11); and the opposite ends of the two screw rods (10) are both fixed with a rotating plate (12).

5. A high-precision CNC guide rail grinding device according to claim 2, characterized in that: The bottom bin (601) is filled with water-cooling liquid, the water supply pipe (604) is a corrugated hose, the circular rod (606) is located on the left side of the mounting block (4) and close to the back side, the circular rod (606) is used for the slip ring (607) to slide and rotate on its outer peripheral wall, and the fastening bolt (608) extends into the interior of the slip ring (607) and abuts against the circular rod (606).

6. A high-precision CNC guide rail grinding device according to claim 3, characterized in that: The bottom surface of the cleaning brush (609) contacts the inner bottom wall of the rectangular bin (1), the plurality of reflux holes (610) are distributed in a rectangular array, the rectangular holes (611) are close to the right side of the rectangular bin (1), and the two rectangular holes (611) are opposite to each other up and down.

7. A high-precision CNC guide rail grinding device according to claim 3, characterized in that: The area of ​​the rectangular hole (611) at the top is larger than the area of ​​the rectangular hole (611) at the bottom, the size of the annular plate (612) is compatible with the rectangular hole (611) at the top, and the top surface of the filter box (613) is open and flush with the inner bottom wall of the rectangular bin (1).

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