A wear-resistant hardware drilling device for precision CNC machine tool conveyor rollers

Abstract

The present invention relates to the technical field of drilling devices, and discloses a wear-resistant hardware processing drilling device for conveyor rollers of precision CNC machine tools, comprising a drilling platform, a slide groove extending through the top of the drilling platform, and two groups of first fixing seats distributed left and right fixedly connected to the bottom of the drilling platform, the two groups of first fixing seats being located outside the slide groove. The output shaft of a driving motor drives a rotating shaft to rotate, thereby driving a pair of spline blocks and two groups of gears on the rotating shaft to rotate, thereby driving another two groups of gears meshing with the rotating shaft to rotate in the opposite direction, and then driving another group of rotating shafts and spline blocks to rotate, causing each group of winding rollers to rotate in the opposite direction, tensioning the two ends of the tensioning hoop, so that the tensioning hoop is firmly sleeved on the outer wall of the blank, fixing the hardware round blank of the conveyor roller, improving the fixing strength of the hardware round blank of the conveyor roller, preventing the hardware round blank of the conveyor roller from loosening during processing, and improving the processing efficiency of the conveyor roller.

Description

Technical Field

[0001] The invention relates to the technical field of drilling devices, in particular to a drilling device for processing wear-resistant hardware for a conveying roller of a precision numerically controlled machine tool. Background Art

[0002] A CNC machine is an automated machine tool equipped with a program control system. It can move the machine and process parts according to the pre-programmed program. CNC machine tools integrate mechanical, automation, computer, microelectronics and other technologies to solve the processing problems of complex, precise and small-batch parts. It is a flexible and high-efficiency automated machine tool. CNC machine tools have strong adaptability to processing objects, high processing accuracy, stable processing quality, high productivity, high reliability, and can improve working conditions. On some fully automatic CNC machine tools, they are usually combined with subsequent transmission mechanisms to automatically transport the processed materials.

[0003] In the prior art, when processing conveyor rollers on machine tools, the round blank used for processing the conveyor rollers is usually turned and then the assembly holes are opened. The existing method for drilling holes in conveyor rollers on CNC lathes is usually to use a bench drill. However, the existing bench drill is not stable enough to fix the round object and is prone to fall off during processing, thereby causing the drilling operation to be interrupted. Summary of the Invention

[0004] The present invention provides a wear-resistant hardware processing and drilling device for precision CNC machine tool conveyor rollers. The device has the advantage of preventing the loosening of the fixed parts, and solves the problem that in the prior art, when processing the machine tool conveyor rollers, the circular blank used for processing the conveyor rollers is usually turned before the assembly holes are opened. The existing method for drilling the conveyor rollers of CNC lathes is usually to use a bench drill. However, the existing bench drill is not stable enough for fixing the circular objects and is prone to falling off during processing, thereby causing the drilling operation to be interrupted.

[0005] The present invention provides the following technical solution: a wear-resistant hardware processing and drilling device for a conveyor roller of a precision CNC machine tool, comprising a drilling platform, a slide groove is penetrated through the top of the drilling platform, and two groups of first fixed seats distributed on the left and right are fixedly connected to the bottom of the drilling platform, the two groups of first fixed seats are located on the outside of the slide groove, and two groups of first axial holes distributed front and back are penetrated through the outer surface of the first fixed seat, two groups of second fixed seats distributed on the left and right are fixedly connected to the top of the drilling platform, two groups of second fixed seats are located on the outside of the slide groove, and second axial holes are penetrated through the outer side surfaces of the two groups of second fixed seats, and two groups of support mechanisms distributed on the left and right are slidably connected inside the slide groove, and the internal movement of the support mechanism is provided with a limiting mechanism.

[0006] Preferably, the support mechanism includes two groups of support frames, and a group of first reinforcing rods are fixedly connected to the middle of the inner side surfaces of the two groups of support frames. A placement groove is provided on the top of the support frame, and the placement groove passes through the left and right sides of the support frame. A threaded hole is provided inside the first reinforcing rod, and the threaded hole passes through the outer side surfaces of the two groups of support frames.

[0007] Preferably, the limiting mechanism includes two groups of tensioning hoops, which are located between the two groups of support frames. The tensioning hoops are made of soft steel material, the bottom of the tensioning hoops is bent, and the two ends of the tensioning hoops are fixedly connected with winding rollers, and the two groups of winding rollers are located at the bottom of the drilling platform.

[0008] Preferably, a rotating shaft is rotatably connected inside the first fixed seat, and multiple groups of spline blocks are fixedly connected to the outer wall of the rotating shaft. Two groups of gears distributed left and right are fixedly sleeved on the outer walls of the two groups of rotating shafts. The two groups of gears are located on the outside of the spline blocks, and the two groups of gears located on the left side of the spline blocks are interlocked with each other, and the two groups of gears located on the right side of the spline blocks are meshed with each other.

[0009] Preferably, a sliding hole is provided through one side surface of the winding roller, and a plurality of groups of spline grooves are provided on the inner wall of the sliding hole. The spline grooves pass through both sides of the winding roller, and the size and specifications of the spline grooves are adapted to the spline blocks. The sliding hole is sleeved on the periphery of the rotating shaft, and the spline grooves are movably clamped on the periphery of each group of spline blocks.

[0010] Preferably, a driving motor is fixedly connected to the outer surface of one group of the slide grooves, and the output end of the driving motor is fixedly connected to one end of one group of rotating shafts through a connecting shaft.

[0011] Preferably, a screw is rotatably connected to the inside of the second axial hole, and the screw is a reverse threaded setting symmetrically arranged in the middle. The screw is inserted into the two groups of threaded holes, and the screw is connected to the two groups of threaded holes through threaded cooperation. The threaded holes are respectively located on both sides of the middle of the screw, and both ends of the screw are fixedly connected to handles.

[0012] Preferably, the bottom of the support frame is fixedly connected with two groups of front and rear distributed shift forks, the shift forks movably pass through the slide groove and extend to the bottom periphery of the drilling platform, and a second reinforcing rod is fixedly connected between the two adjacent groups of shift forks, and a U-shaped groove is provided at the bottom of the shift fork, and the U-shaped groove passes through the left and right sides of the shift fork, and the U-shaped groove is sleeved on the periphery of the rotating shaft, and the U-shaped groove and the rotating shaft are clearance-fitted, the inner side surface of the shift fork fits with the outer side surface of the gear, and the lower part of the left and right sides of the support frame is fixedly connected with two groups of front and rear distributed side toughnesses, and the inner side surfaces of the side toughnesses are fixedly connected to the outer side surface of the shift fork.

[0013] Preferably, the top of the drill floor is fixedly connected to a fixed bracket, the fixed bracket is located at the back of the slide, and the fixed bracket is L-shaped. The top of the fixed bracket is fixedly connected to a bench drill, and the bench drill passes through the top of the fixed bracket and extends to the outer periphery of the top of its inner wall. The bottom of the drill floor is fixedly connected to four groups of support legs, and the four groups of support legs are distributed at the four corners of the bottom of the drill floor.

[0014] The present invention has the following beneficial effects:

[0015] 1. The precision CNC machine tool conveyor roller uses wear-resistant hardware processing drilling device. The output shaft of the drive motor drives the rotating shaft to rotate, thereby driving the pair of spline blocks and two sets of gears on the set of rotating shafts to rotate, thereby driving the other two sets of gears meshing with them to rotate in the opposite direction, and then driving the other set of rotating shafts and spline blocks to rotate, so that each set of winding rollers rotates in the opposite direction, and the two ends of the tensioning hoop are tensioned, so that the tensioning hoop is firmly sleeved on the outer wall of the blank, and the metal round blank of the conveyor roller is fixed, thereby improving the fixing strength of the metal round blank of the conveyor roller, avoiding the loosening of the metal round blank of the conveyor roller during processing, and improving the processing efficiency of the conveyor roller.

[0016] 2. The wear-resistant hardware processing and drilling device for the conveyor roller of the precision CNC machine tool drives the screw set with the two-way bolt to rotate by turning the handle, so that the two sets of support mechanisms move toward the middle, so that the distance between the two sets of support mechanisms can be adjusted according to the length of the hardware round blank of the conveyor roller, thereby improving the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the bottom perspective structure of the present invention;

[0019] Figure 3 for Figure 2 A partially enlarged structural diagram of A in the present invention;

[0020] Figure 4 Schematic diagram of the detailed structure of the drilling platform in the present invention;

[0021] Figure 5 Schematic diagram of the structure of the support mechanism and the limiting mechanism in the present invention;

[0022] Figure 6 Schematic diagram of the detailed structure of the winding roller in the present invention;

[0023] Figure 7 Schematic diagram of the detailed structure of the support mechanism in the present invention.

[0024] In the figure: 1. Drilling platform; 2. Support frame; 3. Tensioning hoop; 4. Rotating shaft; 5. Winding roller; 6. Driving motor; 7. Lead screw; 8. Fixed bracket; 9. Drilling platform; 10. Support leg; 101. Slide groove; 102. First fixed seat; 103. First axial hole; 104. Second fixed seat; 105. Second axial hole; 201. Placement groove; 202. First reinforcing rod; 203. Threaded hole; 204. Shift fork; 205. Second reinforcing rod; 206. U-shaped groove; 207. Side toughness; 401. Spline block; 402. Gear; 501. Slide hole; 502. Spline groove; 701. Handle. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-7 , a wear-resistant hardware processing and drilling device for a conveyor roller of a precision CNC machine tool comprises a drilling platform 1, a slide groove 101 is penetrated on the top of the drilling platform 1, and two groups of left and right distributed first fixed seats 102 are fixedly connected to the bottom of the drilling platform 1, the two groups of first fixed seats 102 are located on the outside of the slide groove 101, and two groups of first axial holes 103 distributed front and back are penetrated on the outer surface of the first fixed seat 102, and two groups of left and right distributed second fixed seats 104 are fixedly connected to the top of the drilling platform 1, the two groups of second fixed seats 104 are located on the outside of the slide groove 101, and the outer side surfaces of the two groups of second fixed seats 104 are penetrated with second axial holes 105, and two groups of left and right distributed supporting mechanisms are slidably connected inside the slide groove 101, and the internal movement of the supporting mechanism is provided with a limiting mechanism.

[0027] In this embodiment, the support mechanism includes two groups of support frames 2, and a group of first reinforcing rods 202 are fixedly connected to the middle of the inner side surfaces of the two groups of support frames 2. A placement groove 201 is provided on the top of the support frame 2, and the placement groove 201 passes through the left and right sides of the support frame 2. A threaded hole 203 is provided inside the first reinforcing rod 202, and the threaded hole 203 passes through the outer side surfaces of the two groups of support frames 2. By setting the first reinforcing rod 202, the two groups of support frames 2 are fixedly connected.

[0028] In this embodiment, the limiting mechanism includes two groups of tensioning hoops 3, and the tensioning hoop 3 is located between the two groups of support frames 2. The tensioning hoop 3 is made of soft steel material, and the bottom of the tensioning hoop 3 is bent, and the two ends of the tensioning hoop 3 are fixedly connected with winding rollers 5. The two groups of winding rollers 5 are located at the bottom of the drilling platform 1. By rotating the two groups of winding rollers 5, the two ends of the tensioning hoop 3 are wound, and the tensioning hoop 3 is firmly sleeved on the outer wall of the conveying roller hardware round blank to fix it, thereby improving the strength of fixing the conveying roller hardware round blank, avoiding the loosening of the conveying roller hardware round blank during processing, and improving the processing efficiency of the conveying roller.

[0029] In this embodiment, the first fixed seat 102 is internally connected to the rotating shaft 4, and multiple groups of spline blocks 401 are fixedly connected to the outer wall of the rotating shaft 4. Two groups of gears 402 distributed left and right are fixedly sleeved on the outer walls of the two groups of rotating shafts 4. The two groups of gears 402 are located on the outside of the spline blocks 401. The two groups of gears 402 located on the left side of the spline blocks 401 are mutually internal, and the two groups of gears 402 located on the right side of the spline blocks 401 are meshed with each other. A driving motor 6 is fixedly connected to the outer surface of one group of the slide grooves 101. The driving motor 6 The output end of the motor 6 is fixedly connected to one end of one group of rotating shafts 4 through a connecting shaft. The output shaft of the driving motor 6 drives the rotating shaft 4 to rotate, thereby driving the pair of spline blocks 401 and two groups of gears 402 on the group of rotating shafts 4 to rotate, thereby driving the other two groups of gears 402 meshing with it to rotate in the opposite direction, and then driving the other group of rotating shafts 4 and spline blocks 401 to rotate, so that each group of winding rollers 5 rotates in the opposite direction, tensioning the two ends of the tensioning hoop 3, so that the tensioning hoop 3 is firmly sleeved on the outer wall of the blank, and the metal round blank of the conveying roller is fixed.

[0030] In this embodiment, a sliding hole 501 is provided on one side of the winding roller 5, and a plurality of groups of spline grooves 502 are provided on the inner wall of the sliding hole 501. The spline grooves 502 pass through both sides of the winding roller 5, and the size and specifications of the spline grooves 502 are adapted to the spline blocks 401. The sliding hole 501 is sleeved on the periphery of the rotating shaft 4, and the spline grooves 502 are movably engaged with the periphery of each group of spline blocks 401. By setting the matching connection between the spline blocks 401 and the spline grooves 502, the winding roller 5 can slide on the outside of the rotating shaft 4 while limiting the rotation of the parts between the rotating shaft 4 and the winding roller 5, thereby avoiding twisting between the rotating shaft 4 and the winding roller 5, thereby achieving the purpose of driving the winding roller 5 to rotate synchronously by rotating the rotating shaft 4.

[0031] In this embodiment, the interior of the second axial hole 105 is rotatably connected to a lead screw 7, and the lead screw 7 is a reverse thread setting symmetrically arranged in the middle. The lead screw 7 is inserted into the two groups of threaded holes 203, and the lead screw 7 is connected to the two groups of threaded holes 203 by threaded cooperation. The threaded holes 203 are respectively located on both sides of the middle of the lead screw 7. Both ends of the lead screw 7 are fixedly connected with a handle 701. By rotating the handle 701, the lead screw 7 set with a two-way bolt is driven to rotate, so that the two groups of support mechanisms move toward the middle and stop after reaching the length of the metal round blank suitable for the conveyor roller, so that the spacing between the two groups of support mechanisms can be adjusted according to the length of the metal round blank of the conveyor roller, thereby improving the flexibility of use of the device.

[0032] In this embodiment, the bottom of the support frame 2 is fixedly connected to two groups of front and rear distributed forks 204, and the forks 204 are movable through the slide groove 101 and extend to the bottom periphery of the drilling platform 1. A second reinforcing rod 205 is fixedly connected between the two adjacent groups of forks 204. A U-shaped groove 206 is opened at the bottom of the fork 204, and the U-shaped groove 206 passes through the left and right sides of the fork 204. The U-shaped groove 206 is sleeved on the periphery of the rotating shaft 4, and the U-shaped groove 206 is fixed to the rotating shaft 4. The shaft 4 is in a clearance fit, the inner side surface of the fork 204 fits into the outer side surface of the gear 402, and two groups of side toughnesses 207 distributed front and back are fixedly connected to the lower left and right sides of the support frame 2. The inner side surface of the side toughness 207 is fixedly connected to the outer side surface of the fork 204. In the process of the support mechanism moving toward the middle, the support frame 2 drives the fork 204 to move synchronously, thereby pushing each group of winding rollers 5 and the tensioning hoop 3 toward the middle, so that the winding roller 5 slides toward the middle outside the rotating shaft 4.

[0033] In this embodiment, the top of the drilling platform 1 is fixedly connected to a fixed bracket 8, and the fixed bracket 8 is located at the back of the slide groove 101, and the fixed bracket 8 is set in an L shape. The top of the fixed bracket 8 is fixedly connected to a bench drill 9, and the bench drill 9 passes through the top of the fixed bracket 8 and extends to the outer periphery of the top of its inner wall. The bottom of the drilling platform 1 is fixedly connected to four groups of support legs 10, and the four groups of support legs 10 are distributed at the four corners of the bottom of the drilling platform 1. By setting the fixed bracket 8, the bench drill 9 is fixed. By setting the bench drill 9, the drilling operation of the conveyor roller hardware round blank is realized. By setting the base support legs 10, the device is fixed and supported to improve the stability of the device.

[0034] Working principle: when in use, first adjust the spacing between the two sets of support mechanisms according to the length of the metal round blank of the conveying roller, and drive the screw 7 set by the two-way bolt to rotate by turning the handle 701, so that the two sets of support mechanisms move toward the middle and stop after reaching the length of the metal round blank suitable for the conveying roller. In the process of the support mechanism moving toward the middle, the support frame 2 drives the fork 204 to move synchronously, and pushes each set of winding rollers 5 and tensioning hoop 3 toward the middle, so that the winding rollers 5 slide toward the middle outside the rotating shaft 4, and then the round blank is placed in the placement slot 20 of the two sets of support mechanisms. 1, the drive motor 6 is started, and the output shaft of the drive motor 6 drives the rotating shaft 4 to rotate, thereby driving the pair of spline blocks 401 and two sets of gears 402 on the rotating shaft 4 to rotate, thereby driving the other two sets of gears 402 meshing with them to rotate in the opposite direction, and then driving the other set of rotating shafts 4 and spline blocks 401 to rotate, so that each set of winding rollers 5 rotates in the opposite direction, tensioning the two ends of the tensioning hoop 3, so that the tensioning hoop 3 is firmly sleeved on the outer wall of the blank, fixing the metal round blank of the conveyor roller, and then drilling the metal round blank of the conveyor roller using the bench drill 9.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A drilling device for wear-resistant hardware used in precision CNC machine tool conveyor rollers, comprising a drilling platform (1), characterized in that: The top of the drilling platform (1) is provided with a slide groove (101), and the bottom of the drilling platform (1) is fixedly connected with two groups of first fixing seats (102) distributed on the left and right, the two groups of the first fixing seats (102) are located outside the slide groove (101), and the outer surface of the first fixing seat (102) is provided with two groups of first axial holes (103) distributed front and back, and the top of the drilling platform (1) is fixedly connected with two groups of second fixing seats (104) distributed on the left and right, the two groups of the second fixing seats (104) are located outside the slide groove (101), and the outer side surfaces of the two groups of the second fixing seats (104) are provided with second axial holes (105). The slide groove (101) is internally connected to two groups of support mechanisms distributed left and right. The internal movement of the support mechanism is provided with a limiting mechanism. The support mechanism includes two groups of support frames (2). The middle part of the inner side surface of the two groups of support frames (2) is fixedly connected with a group of first reinforcing rods (202). The top of the support frame (2) is provided with a placement groove (201). The placement groove (201) passes through the left side and the right side of the support frame (2). The first reinforcing rod (202) is internally provided with a threaded hole (203). The threaded hole (203) passes through the outer side surfaces of the two groups of support frames (2). The limiting mechanism includes two groups of tensioning hoops (3 ), the tensioning hoop (3) is located between the two groups of support frames (2), the tensioning hoop (3) is made of soft steel material, the bottom of the tensioning hoop (3) is set in a bent shape, and the two ends of the tensioning hoop (3) are fixedly connected to the winding roller (5), the two groups of winding rollers (5) are located at the bottom of the drilling platform (1), the first fixed seat (102) is internally connected to the rotating shaft (4), and the outer wall of the rotating shaft (4) is fixedly connected to multiple groups of spline blocks (401), and the outer walls of the two groups of rotating shafts (4) are fixedly sleeved with two groups of gears (402) distributed on the left and right, and the two groups of gears (402) are located on the outside of the spline blocks (401). The two groups of gears (402) located on the left side of the spline block (401) are interlocked with each other, and the two groups of gears (402) located on the right side of the spline block (401) are meshed with each other. A sliding hole (501) is provided on one side of the winding roller (5), and a plurality of groups of spline grooves (502) are provided on the inner wall of the sliding hole (501). The spline grooves (502) pass through both sides of the winding roller (5), and the size and specifications of the spline grooves (502) are compatible with the spline block (401). The sliding hole (501) is sleeved on the periphery of the rotating shaft (4), and the spline grooves (502) are movably connected to the periphery of each group of spline blocks (401).

2. The wear-resistant hardware drilling device for conveyor rollers of precision CNC machine tools according to claim 1, characterized in that: A driving motor (6) is fixedly connected to the outer surface of one group of the slide grooves (101), and an output end of the driving motor (6) is fixedly connected to one end of one group of the rotating shafts (4) via a connecting shaft.

3. The wear-resistant hardware drilling device for precision CNC machine tool conveyor rollers according to claim 2, characterized in that: The second axial hole (105) is internally rotatably connected to a lead screw (7), the lead screw (7) being a reverse threaded arrangement symmetrically arranged in the middle, the lead screw (7) passing through and inserted into the two groups of threaded holes (203), and the lead screw (7) and the two groups of threaded holes (203) are connected by threaded fit, the threaded holes (203) being respectively located on both sides of the middle of the lead screw (7), and both ends of the lead screw (7) are fixedly connected to handles (701).

4. The wear-resistant hardware drilling device for precision CNC machine tool conveyor rollers according to claim 3, characterized in that: The bottom of the support frame (2) is fixedly connected with two groups of front-to-back distributed shift forks (204), the shift forks (204) are movable through the slide groove (101) and extend to the bottom periphery of the drilling platform (1), and a second reinforcing rod (205) is fixedly connected between two adjacent groups of the shift forks (204), and a U-shaped groove (206) is provided at the bottom of the shift fork (204), and the U-shaped groove (206) passes through the left side and the right side of the shift fork (204), and the U-shaped groove (206) is sleeved on the periphery of the rotating shaft (4), and the U-shaped groove (206) and the rotating shaft (4) are in clearance fit, and the inner side surface of the shift fork (204) is in contact with the outer side surface of the gear (402), and the lower part of the left side and the right side of the support frame (2) is fixedly connected with two groups of front-to-back distributed side toughness (207), and the inner side surface of the side toughness (207) is fixedly connected to the outer side surface of the shift fork (204).

5. The wear-resistant hardware drilling device for precision CNC machine tool conveyor rollers according to claim 4, characterized in that: The top of the drilling platform (1) is fixedly connected to a fixed bracket (8), the fixed bracket (8) is located at the back of the slide (101), and the fixed bracket (8) is set in an L shape. The top of the fixed bracket (8) is fixedly connected to a bench drill (9), and the bench drill (9) passes through the top of the fixed bracket (8) and extends to the outer periphery of the top of the inner wall. The bottom of the drilling platform (1) is fixedly connected to four groups of support legs (10), and the four groups of support legs (10) are distributed at the four corners of the bottom of the drilling platform (1).

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