Numerical control gantry guide rail grinding machine

Abstract

The utility model relates to the field of grinding machines, and discloses a numerical control gantry guide rail grinding machine which comprises a bottom plate, two guide rails are fixedly connected to the top of the bottom plate and extend front and back, the two guide rails are arranged in parallel, and a first fixing frame is fixedly connected to the middle of the top of the bottom plate and is parallel to the two guide rails. The first fixing frame is arranged between the two guide rails, the two ends of the first fixing frame are rotationally connected with the two ends of the first lead screw correspondingly, a first motor is fixedly installed at the front end of the first fixing frame, and the rear end of an output shaft of the first motor is fixedly connected with the front end of the first lead screw. Guide blocks are fixedly connected to the four corners of the bottom of the electromagnetic chuck. The two grinding mechanisms are used in cooperation, the two steps of rough grinding and fine grinding can be completed at a time, the machining efficiency is greatly improved, the surface of a workpiece can be further smoothed through the use of the fine grinding wheel, and the machining precision and the surface quality are improved.

Description

Technical Field

[0001] The utility model relates to the field of grinding machines, in particular to a numerically controlled gantry guide rail grinding machine. Background Art

[0002] In the field of mechanical processing, especially in the metal processing industry, guide rail grinders, as an important processing equipment, are widely used in high-precision and high-efficiency grinding of workpiece surfaces.

[0003] Current guide rail grinders often use a single grinding wheel for grinding. Although this processing method can meet basic processing needs, single grinding wheel grinding requires multiple adjustments to the grinding wheel position and parameters to complete the entire process from rough processing to fine processing, which greatly prolongs the processing cycle and reduces production efficiency.

[0004] During the machining process, a single grinding wheel cannot simultaneously meet the needs of rough machining to remove a large amount of material and fine machining to improve surface quality. It often needs to be performed separately on different machine tools, which increases machining errors and cumulative errors. Utility Model Content

[0005] In order to overcome the above-mentioned deficiencies, the utility model provides a CNC gantry guide rail grinding machine.

[0006] The technical solution adopted by this utility model:

[0007] The top of the base plate is fixedly connected to two guide rails, and the guide rails extend forward and backward. The two guide rails are arranged in parallel. A fixed frame is fixedly connected to the middle part of the top of the base plate, and the fixed frame is parallel to the two guide rails. The fixed frame is in the middle of the two guide rails. The two ends of the fixed frame rotate and respectively rotate the two ends of the connected screw rod. The front end of the fixed frame is fixedly installed with a motor, and the rear end of the output shaft of the motor is fixedly connected to the front end of the screw rod. An electromagnetic suction cup is provided between the tops of the two guide rails, and the four corners of the bottom of the electromagnetic suction cup are fixedly connected to guide blocks, the guide blocks are slidably sleeved with the guide rails, and the bottom center of the electromagnetic suction cup is fixedly connected to a connecting block, the screw rod passes through the connecting block, and the connecting block is threadedly connected to the screw rod. The top of the base plate is fixedly connected to two gantries, and the gantry is in a 冂 shape. The two gantries are distributed front and back. The bottom of the gantry is located on the outside of the two guide rails, and the opposite side walls of the two gantries are fixedly installed with grinding mechanisms.

[0008] The polishing mechanism comprises a fixed frame two, the fixed frame two is fixedly connected at the top of the opposite side walls of the portal frame, the fixed frame two is U-shaped, guide rods are fixedly connected between the two end side walls of the fixed frame two, the lower portion of the guide rods is provided with a lead screw two, the two ends of the lead screw two are rotatably connected with the two end side walls of the fixed frame two, the right end of the lead screw two penetrates through the right side wall of the fixed frame two, the right side wall of the fixed frame two is fixedly installed with a motor two, the output shaft of the motor two is fixedly connected with the right end of the lead screw two, the outer wall of the guide rod is slidably sleeved on the upper portion of a sliding block, the lead screw two penetrates through the lower portion of the sliding block, the sliding block is threadedly connected with the lead screw two, the outer wall of the sliding block is fixedly connected with the cylinder barrel of an air cylinder, the bottom end of the piston rod of the air cylinder is fixedly connected with a mounting frame, the mounting frame is inverted U-shaped, a coarse sand wheel is rotatably connected between the left and right inner walls of the front mounting frame, a fine sand wheel is rotatably connected between the left and right inner walls of the rear mounting frame, the right side wall of the mounting frame is fixedly installed with a motor three, the output shafts of the two motors three penetrate through the right side walls of the two mounting frames respectively, the output shafts of the two motors three are rotatably connected with the right side walls of the two mounting frames respectively, and the output shafts of the two motors three are fixedly connected with the shafts of the coarse sand wheel and the fine sand wheel respectively.

[0009] The utility model discloses the beneficial effects of:

[0010] The utility model discloses the cooperation of two polishing mechanisms is used, can complete two steps of rough polishing and fine polishing through one equipment, greatly improves the processing efficiency, the use of fine sand wheel can further smooth workpiece surface, improves the processing precision and surface quality, satisfies more strict processing requirement, the cooperation of motor two and air cylinder makes the polishing mechanism can be flexibly adjusted position and height, adapts the workpiece processing demand of different shape and size. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 rear side view structure schematic diagram of;

[0013] Figure 3 It is Figure 1 right view of;

[0014] Figure 4 It is Figure 1 front side view structure schematic diagram.

[0015] In all drawings, the specific signs are: 1, bottom plate;2, guide rail;3, fixed frame one;4, lead screw one;5, motor one;6, electromagnetic chuck;7, guide block;8, connecting block;9, portal frame;10, fixed frame two;11, guide rod;12, lead screw two;13, motor two;14, sliding block;15, air cylinder;16, mounting frame;17, coarse sand wheel;18, fine sand wheel;19, motor three. DETAILED DESCRIPTION

[0016] like Figures 1-4 As shown: A CNC gantry guide rail grinding machine includes a base plate 1, the top of the base plate 1 is fixedly connected to two guide rails 2, the guide rails 2 extend front and back, and the two guide rails 2 are arranged in parallel. A fixed frame 3 is fixedly connected to the middle of the top of the base plate 1, and the fixed frame 3 is parallel to the two guide rails 2. The fixed frame 3 is between the two guide rails 2. The two ends of the fixed frame 3 rotate to rotate the two ends of the connecting screw rod 4 respectively. The front end of the fixed frame 3 is fixedly installed with a motor 5. The rear end of the output shaft of the motor 5 is fixedly connected to the front end of the screw rod 4. The two guide rails 2, there is an electromagnetic suction cup 6 between the tops, and the four corners of the bottom of the electromagnetic suction cup 6 are fixedly connected with guide blocks 7, which are slidably sleeved with the guide rails 2. The bottom center of the electromagnetic suction cup 6 is fixedly connected with a connecting block 8, a screw rod 4 passes through the connecting block 8, and the connecting block 8 is threadedly connected to the screw rod 4. The top of the base plate 1 is fixedly connected to two gantries 9, which are 冂-shaped. The two gantries 9 are distributed front and back, and the bottom of the gantry 9 is located on the outside of the two guide rails 2. The opposite side walls of the two gantries 9 are fixedly installed with grinding mechanisms.

[0017] The grinding mechanism includes a fixed frame 10, which is fixedly connected to the top of the opposite side wall of the gantry 9. The fixed frame 10 is U-shaped, and a guide rod 11 is fixedly connected between the two end side walls of the fixed frame 10. A screw rod 12 is provided below the guide rod 11. The two ends of the screw rod 12 are respectively rotatably connected to the two end side walls of the fixed frame 10, and the right end of the screw rod 12 passes through the right side wall of the fixed frame 10. A motor 13 is fixedly installed on the right side wall of the fixed frame 10. The output shaft of the motor 13 is fixedly connected to the right end of the screw rod 12. The outer wall of the guide rod 11 is slidably sleeved on the upper part of the slider 14, and the screw rod 12 passes through the lower part of the slider 14. The slider 14 is connected to the screw rod 2. 12 threads are matched, the outer wall of the slider 14 is fixedly connected to the cylinder barrel of the cylinder 15, and the bottom end of the piston rod of the cylinder 15 is fixedly connected to the mounting bracket 16. The mounting bracket 16 is an inverted U-shape, and the coarse grinding wheel 17 is rotatably connected between the left and right inner walls of the front mounting bracket 16, and the fine grinding wheel 18 is rotatably connected between the left and right inner walls of the rear mounting bracket 16. The right side wall of the mounting bracket 16 is fixedly installed with a motor three 19, and the output shafts of the two motor threes 19 respectively pass through the right side walls of the two mounting brackets 16, and the output shafts of the two motor threes 19 are respectively rotatably connected to the right side walls of the two mounting brackets 16, and the output shafts of the two motor threes 19 are respectively fixedly connected to the axis of the coarse grinding wheel 17 and the fine grinding wheel 18.

[0018] The electromagnetic chuck 6 is a prior art device that generates magnetic force when powered on and disappears when powered off.

[0019] First, the workpiece to be processed is placed on the electromagnetic chuck 6 , and the workpiece is fixed by the suction force of the electromagnetic chuck 6 .

[0020] Start motor 5, which drives screw rod 4 to rotate. Since connecting block 8 is threadedly engaged with screw rod 4 and guide block 7 is slidingly engaged with guide rail 2, electromagnetic chuck 6 moves along the direction of guide rail 2 to achieve lateral positioning of the workpiece.

[0021] When the workpiece is positioned below the front gantry 9, the motor 2 13 on the front gantry 9 is started, and the motor 2 13 drives the screw 2 12 to rotate, so that the slider 14 slides along the guide rod 11 to a suitable position. At the same time, the cylinder 15 adjusts the height of the mounting frame 16 so that the coarse grinding wheel 17 contacts the surface of the workpiece.

[0022] The front motor 3 19 is started, and the motor 3 19 drives the coarse grinding wheel 17 to rotate, and starts to roughly grind the workpiece to remove larger surface unevenness and burrs.

[0023] After the rough grinding is completed, continue to start the motor 5, and drive the electromagnetic suction cup 6 to move backward through the screw rod 4, so that the workpiece moves to the bottom of the rear gantry 9, and then adjust the position of the rear slider 14 to make the fine grinding wheel 18 on the rear mounting frame 16 contact the surface of the workpiece.

[0024] The rear motor 3 19 is started, and the motor 3 19 drives the fine grinding wheel 18 to rotate, and finely grinds the workpiece to further smooth the surface of the workpiece to achieve higher processing accuracy and surface quality.

[0025] If necessary, the above steps of rough grinding and fine grinding can be repeated until the workpiece achieves the desired processing effect.

[0026] After the processing is completed, all motors and cylinders are turned off, the workpiece is removed, and the next round of processing is prepared. This utility model only protects the mechanical part, and the functions realized by the software control part are not within the scope of protection of this utility model.

Claims

1. A CNC gantry guide rail grinding machine, characterized in that: It includes a bottom plate (1). Two guide rails (2) are fixedly connected to the top of the bottom plate (1). The guide rails (2) extend forward and backward, and the two guide rails (2) are arranged in parallel. In the middle of the top of the bottom plate (1), a first fixing frame (3) is fixedly connected. The first fixing frame (3) is parallel to the two guide rails (2). The first fixing frame (3) is in the middle of the two guide rails (2). The two ends of the first fixing frame (3) are respectively rotatably connected to the two ends of a first screw rod (4). A first motor (5) is fixedly installed at the front end of the first fixing frame (3). The rear end of the output shaft of the first motor (5) is fixedly connected to the front end of the first screw rod (4). There is an electromagnetic chuck (6) between the tops of the two guide rails (2). Four corners of the bottom of the electromagnetic chuck (6) are fixedly connected with guide blocks (7). The guide blocks (7) are slidably sleeved with the guide rails (2). A connecting block (8) is fixedly connected to the center of the bottom of the electromagnetic chuck (6). The first screw rod (4) passes through the connecting block (8), and the connecting block (8) is threadedly connected with the first screw rod (4). Two gantry frames (9) are fixedly connected to the top of the bottom plate (1). The gantry frames (9) are in the shape of 冂. The two gantry frames (9) are distributed front and back. The bottom of the gantry frames (9) is located outside the two guide rails (2). Grinding mechanisms are fixedly installed on the opposite side walls of the two gantry frames (9).

2. A CNC gantry guide rail grinding machine according to claim 1, characterized in that: The grinding mechanism includes a second fixing frame (10). The second fixing frame (10) is fixedly connected to the top of the opposite side walls of the gantry frame (9). The second fixing frame (10) is U-shaped. A guide rod (11) is fixedly connected between the side walls at both ends of the second fixing frame (10). There is a second screw rod (12) below the guide rod (11). The two ends of the second screw rod (12) are respectively rotatably connected to the side walls at both ends of the second fixing frame (10). The right end of the second screw rod (12) passes through the right side wall of the second fixing frame (10). A second motor (13) is fixedly installed on the right side wall of the second fixing frame (10). The output shaft of the second motor (13) is fixedly connected to the right end of the second screw rod (12). The upper part of the outer wall of the guide rod (11) is slidably sleeved in the slider (14). The second screw rod (12) passes through the lower part of the slider (14). The slider (14) is in threaded cooperation with the second screw rod (12). The outer wall of the slider (14) is fixedly connected to the cylinder barrel of a cylinder (15). The bottom end of the piston rod of the cylinder (15) is fixedly connected to a mounting frame (16). The mounting frame (16) is in the shape of an inverted U. A coarse grinding wheel (17) is rotatably connected between the left and right inner walls of the front mounting frame (16). A fine grinding wheel (18) is rotatably connected between the left and right inner walls of the rear mounting frame (16). A third motor (19) is fixedly installed on the right side wall of the mounting frame (16). The output shafts of the two third motors (19) respectively pass through the right side walls of the two mounting frames (16). The output shafts of the two third motors (19) are respectively rotatably connected to the right side walls of the two mounting frames (16). The output shafts of the two third motors (19) are respectively fixedly connected to the axles of the coarse grinding wheel (17) and the fine grinding wheel (18).

Images