Laser cutting positioning device and use method thereof

Abstract

The present invention relates to the field of laser cutting technology, and discloses a laser cutting positioning device and a method for using the same, including a processing bed, a positioning mechanism is arranged on the top of the processing bed, an adjustment mechanism is arranged on the outside of the positioning mechanism, the positioning mechanism includes positioning rod 1, positioning rod 2 and positioning rod 3, the tops of the positioning rod 1, positioning rod 2 and positioning rod 3 are all provided with positioning pins, the bottoms of the positioning pins are provided with connecting pieces, the outer side walls of the positioning pins are provided with anti-slip pieces, the adjustment mechanism includes a plurality of U-shaped sleeves, the outer side walls of the plurality of U-shaped sleeves are all provided with anti-distortion holes, the tops of the plurality of U-shaped sleeves are all provided with positioning bolts, and the outer side walls of the plurality of U-shaped sleeves are provided with fixing pieces near the anti-distortion holes. The laser cutting positioning device and the method for using the same can batch position annular workpieces by a three-point positioning method, and the adjustment is convenient and quick, and the processing efficiency is high.

Description

Technical Field

[0001] The present invention relates to the technical field of laser cutting, and in particular to a laser cutting positioning device and a use method thereof. Background Art

[0002] Laser cutting is the use of a focused high-power density laser beam to irradiate the workpiece, causing the irradiated material to quickly melt, vaporize or reach the ignition point, and at the same time using a high-speed airflow coaxial with the beam to blow away the molten material, thereby achieving the cutting of the workpiece. It is one of the thermal cutting methods for cutting workpieces.

[0003] In laser cutting processing, stable positioning of the cutting piece is an important means to ensure cutting accuracy. However, the existing processing equipment lacks batch positioning tooling for annular workpieces, which makes the positioning of annular workpieces difficult, difficult to mass produce, and inefficient. Therefore, a laser cutting positioning device is urgently needed to solve the problem mentioned in the above background that the existing processing equipment lacks batch positioning tooling for annular workpieces, which makes the positioning of annular workpieces difficult, difficult to mass produce, and inefficient. Summary of the invention

[0004] To achieve the above object, the present invention provides the following technical solutions: a laser cutting positioning device, comprising a processing bed, a positioning mechanism is arranged on the top of the processing bed, and an adjustment mechanism is arranged outside the positioning mechanism;

[0005] The positioning mechanism comprises a positioning rod 1, a positioning rod 2 and a positioning rod 3, the tops of the positioning rods 1, 2 and 3 are all provided with positioning pins, the bottoms of the positioning pins are provided with connecting pieces, and the outer side walls of the positioning pins are provided with anti-slip pieces;

[0006] The adjustment mechanism includes several U-shaped sleeves, several of which have anti-distortion holes on their outer walls, several of which have positioning bolts on their tops, and several of which have fixing parts on their outer walls near the anti-distortion holes.

[0007] Preferably, the connecting member includes a threaded hole opened at the top of the positioning rod, and the connecting member also includes a threaded column fixedly connected to the bottom of the positioning pin, and the threaded hole and the threaded column are screwed together.

[0008] The positioning pin is screwed into the threaded hole through the threaded column, so as to complete the fixation with the positioning rod, and the disassembly, assembly and replacement are convenient and the maintenance cost is low.

[0009] Preferably, the anti-slip member comprises a groove formed on an outer side wall of the positioning pin, and a rubber ring is sleeved on the outer side wall of the groove.

[0010] In order to improve the stability of the connection between the annular workpiece and the positioning pin and reduce damage to the annular workpiece, a rubber ring is arranged on the outside of the positioning pin through a groove, so that the fit between the positioning pin and the annular workpiece is more stable. The rubber ring is made of flexible rubber material and is easy to replace.

[0011] Preferably, a plurality of positioning pins are provided on the positioning rod 1, the positioning rod 2 and the positioning rod 3, and the spacing between each positioning pin is consistent and evenly arranged.

[0012] After each positioning pin follows the movement of positioning rod one, positioning rod two and positioning rod three, the distance between each three must be consistent. The batch positioning of annular workpieces through the three-point positioning method is very efficient.

[0013] Preferably, the positioning mechanism also includes two sliding grooves opened on two opposite surfaces of the outer side wall of the processing bed, and the two ends of the positioning rod one, positioning rod two and positioning rod three are respectively inserted into the two sliding grooves, and the two ends of the positioning rod one, positioning rod two and positioning rod three are slidingly connected with the sliding grooves.

[0014] The first positioning rod, the second positioning rod and the third positioning rod slide between the two slide grooves, so as to adjust the spacing between the first positioning rod, the second positioning rod and the third positioning rod, so as to adjust according to the ring diameter of the annular workpiece, which is convenient and quick.

[0015] Preferably, every two of the U-shaped sleeves are respectively arranged at the two ends of the positioning rod one, the positioning rod two and the positioning rod three, and the two ends of the positioning rod one, the positioning rod two and the positioning rod three are movably connected with the anti-distortion holes.

[0016] Preferably, the U-shaped sleeve is arranged on the outer side wall of the processing bed, the positioning bolt and the top of the U-shaped sleeve are screwed together, and the bottom of the positioning bolt passes through the top of the U-shaped sleeve and contacts the outer side wall of the processing bed.

[0017] Preferably, the fixing member comprises a sleeve fixedly connected to the outer side wall of the anti-skew hole, a fixing bolt is screwed on the top of the sleeve, and a bottom of the fixing bolt passes through the top of the sleeve and contacts with the positioning rod.

[0018] A method for using a laser cutting positioning device comprises the following steps:

[0019] S1, take a ring-shaped workpiece as a model for standby use;

[0020] S2, pull the positioning rod 1, the positioning rod 2 and the positioning rod 3 back and forth in the anti-distortion hole, and then move the U-shaped sleeve connected to the positioning rod 1, the positioning rod 2 and the positioning rod 3 back and forth in the slide slot to adjust the positions of the positioning rod 1, the positioning rod 2 and the positioning rod 3;

[0021] S3, the inner wall of the annular workpiece is fitted by cooperating the three positioning pins on the positioning rod 1, the positioning rod 2 and the positioning rod 3 to position the annular workpiece;

[0022] S4. After positioning rod 1, positioning rod 2 and positioning rod 3 position an annular workpiece, other positioning pins will be placed in the same position as the above three positioning pins. The same annular workpiece can be placed outside every three positioning pins, so as to carry out batch positioning processing.

[0023] Compared with the prior art, the present invention provides a laser cutting positioning device and a method of using the same, which have the following beneficial effects:

[0024] 1. The laser cutting positioning device adjusts the spacing between the positioning rods 1, 2 and 3 by sliding the positioning rods 1, 2 and 3 between two slide grooves, so as to adjust according to the ring diameter of the annular workpiece. The positioning rods 1, 2 and 3 move back and forth in the U-shaped sleeve to adjust the positions of the positioning pins on the positioning rods 1, 2 and 3, so that the positioning pins on the positioning rods 1, 2 and 3 are staggered. The annular workpieces are positioned in batches by a three-point positioning method, and the adjustment is convenient and fast, with high processing efficiency.

[0025] 2. In order to improve the stability of the connection between the annular workpiece and the positioning pin and reduce damage to the annular workpiece, the laser cutting positioning device has a rubber ring on the outside of the positioning pin through a groove, so that the fit between the positioning pin and the annular workpiece is more stable. The rubber ring is made of flexible rubber material and is easy to replace.

[0026] 3. The laser cutting positioning device fixes the positioning rods 1, 2 and 3 by pressing down the tops of the positioning rods 1, 2 and 3 with fixing bolts, thereby preventing the positioning rods 1, 2 and 3 from being displaced during processing, and completing the fixation of each positioning pin, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the positioning mechanism structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the structure of the anti-slip member of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0032] Figure 6 It is a schematic diagram of the structure of the fixing member of the present invention;

[0033] Figure 7 It is a schematic diagram of the cross-sectional structure of the adjustment mechanism of the present invention from the side view.

[0034] Wherein: 1. Processing bed; 2. Positioning mechanism; 201. Positioning rod 1; 202. Positioning rod 2; 203. Positioning rod 3; 204. Positioning pin; 205. Connecting piece; 2051. Threaded hole; 2052. Threaded column; 206. Anti-slip piece; 2061. Groove; 2062. Rubber ring; 3. Adjusting mechanism; 301. U-shaped sleeve; 302. Anti-distortion hole; 303. Positioning bolt; 304. Fixing piece; 3041. Sleeve; 3042. Fixing bolt. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0036] Embodiment 1

[0037] This embodiment is a specific implementation of a laser cutting positioning device.

[0038] See also Figure 1-7 A laser cutting positioning device comprises a processing bed 1, a positioning mechanism 2 is arranged on the top of the processing bed 1, and an adjusting mechanism 3 is arranged outside the positioning mechanism 2;

[0039] The positioning mechanism 2 includes a positioning rod 1 201, a positioning rod 202 and a positioning rod 3 203. The tops of the positioning rods 1 201, 202 and 203 are all provided with positioning pins 204, the bottoms of the positioning pins 204 are provided with connecting pieces 205, and the outer side walls of the positioning pins 204 are provided with anti-slip pieces 206.

[0040] The adjustment mechanism 3 includes several U-shaped sleeves 301, and anti-distortion holes 302 are opened on the outer walls of the several U-shaped sleeves 301. Positioning bolts 303 are set on the tops of the several U-shaped sleeves 301, and fixing parts 304 are set on the outer walls of the several U-shaped sleeves 301 near the anti-distortion holes 302.

[0041] Through the above technical scheme, the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 slide between the two slide grooves, so as to adjust the distance between the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203, so as to adjust according to the ring diameter of the annular workpiece, and the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are moved back and forth in the U-shaped sleeve 301 to adjust the position of the positioning pin 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203, so that the positioning pin 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 is staggered, and the annular workpieces are positioned in batches by the three-point positioning method, which is convenient and quick to adjust and has high processing efficiency.

[0042] Specifically, the connecting member 205 includes a threaded hole 2051 opened at the top of the positioning rod 201, and the connecting member 205 also includes a threaded column 2052 fixedly connected to the bottom of the positioning pin 204, and the threaded hole 2051 and the threaded column 2052 are screwed together.

[0043] Through the above technical solution, the positioning pin 204 is screwed to the threaded hole 2051 through the threaded column 2052, so as to complete the fixation with the positioning rod 201, which is convenient for disassembly, assembly and replacement and has low maintenance cost.

[0044] Specifically, the anti-slip member 206 includes a groove 2061 formed on the outer side wall of the positioning pin 204 , and a rubber ring 2062 is sleeved on the outer side wall of the groove 2061 .

[0045] Through the above technical solution, in order to improve the stability of the connection between the annular workpiece and the positioning pin 204 and reduce damage to the annular workpiece, a rubber ring 2062 is sleeved on the outside of the positioning pin 204 through the groove 2061, so that the fit between the positioning pin 204 and the annular workpiece is more stable. The rubber ring 2062 is made of flexible rubber material and is easy to replace.

[0046] Specifically, a plurality of positioning pins 204 are disposed on the first positioning rod 201 , the second positioning rod 202 , and the third positioning rod 203 , and the spacing between each positioning pin 204 is uniform and evenly arranged.

[0047] Through the above technical solution, after each positioning pin 204 moves following the positioning rod 1 201 , the positioning rod 202 and the positioning rod 3 203 , the distance between each three of them must be consistent, and the circular workpieces can be positioned in batches by the three-point positioning method, which is very efficient.

[0048] Specifically, the positioning mechanism 2 also includes two slide grooves opened on two opposite surfaces of the outer wall of the processing bed 1, and the two ends of the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are respectively inserted into the two slide grooves, and the two ends of the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are slidingly connected with the slide grooves.

[0049] Through the above technical solution, positioning rod 1 201, positioning rod 202 and positioning rod 3 203 slide between the two slide grooves, thereby adjusting the distance between positioning rod 1 201, positioning rod 202 and positioning rod 3 203, so as to adjust according to the ring diameter of the annular workpiece, which is convenient and quick.

[0050] Specifically, every two U-shaped sleeves 301 are respectively arranged at the two ends of the positioning rod 1 201 , the positioning rod 202 and the positioning rod 3 203 , and the two ends of the positioning rod 1 201 , the positioning rod 202 and the positioning rod 3 203 are movably connected with the anti-distortion hole 302 .

[0051] Through the above technical solution, the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are moved back and forth in the U-shaped sleeve 301, and the positions of the positioning pins 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are adjusted, so that the positioning pins 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are staggered, so that every three positioning pins 204 are arranged in a triangle inside the annular workpiece, so as to position the annular workpiece conveniently and quickly.

[0052] Specifically, the U-shaped sleeve 301 is sleeved on the outer wall of the processing bed 1 , the positioning bolt 303 and the top of the U-shaped sleeve 301 are screwed together, and the bottom of the positioning bolt 303 passes through the top of the U-shaped sleeve 301 and contacts the outer wall of the processing bed 1 .

[0053] Through the above technical solution, the U-shaped sleeve 301 passes through the outer wall of the processing bed 1 near the top of the slide groove, and the U-shaped sleeve 301 plays a role in limiting the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203. By tightening the positioning bolt 303, the positioning bolt 303 fixes the U-shaped sleeve 301 at the top of the outer wall of the processing bed 1, thereby preventing the distance between the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 from changing, thereby playing a fixing role.

[0054] Specifically, the fixing member 304 includes a sleeve 3041 fixedly connected to the outer wall of the anti-distortion hole 302, the top of the sleeve 3041 is screwed with a fixing bolt 3042, and the bottom of the fixing bolt 3042 passes through the top of the sleeve 3041 and contacts the positioning rod 201.

[0055] Through the above technical solution, the fixing bolt 3042 presses down the top of the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 to fix the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203, thereby preventing the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 from being displaced during processing, and completing the fixation of each positioning pin 204, which is convenient and quick.

[0056] Embodiment 2

[0057] This embodiment is a specific implementation of a positioning mechanism 2 of a laser cutting positioning device.

[0058] A positioning mechanism 2 of a laser cutting positioning device includes a positioning rod 1 201, a positioning rod 202 and a positioning rod 3 203. The tops of the positioning rods 1 201, 202 and 203 are all provided with positioning pins 204, the bottoms of the positioning pins 204 are provided with connecting pieces 205, and the outer side walls of the positioning pins 204 are provided with anti-slip pieces 206.

[0059] Through the above technical solution, the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 slide between the two slide grooves, thereby adjusting the spacing between the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203, so as to adjust according to the ring diameter of the annular workpiece, and the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 move back and forth in the U-shaped sleeve 301. It is used to adjust the position of the positioning pins 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203, so that the positioning pins 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 are staggered, and the annular workpieces are positioned in batches by the three-point positioning method, which is convenient and fast to adjust and has high processing efficiency.

[0060] Embodiment 3

[0061] This embodiment is a specific implementation method of a method for using a laser cutting positioning device.

[0062] A method for using a laser cutting positioning device comprises the following steps:

[0063] S1, take a ring-shaped workpiece as a model for standby use;

[0064] S2, pull the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 back and forth in the anti-distortion hole 302, and then move the U-shaped sleeve 301 connected to the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 back and forth in the slide slot, so as to adjust the positions of the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203;

[0065] S3, the inner wall of the annular workpiece is fitted by the three positioning pins 204 on the positioning rod 1 201, the positioning rod 202 and the positioning rod 3 203 to position the annular workpiece;

[0066] S4, after positioning rod 1 201, positioning rod 202 and positioning rod 3 203 position an annular workpiece, other positioning pins 204 will be placed in the same position as the above three positioning pins 204, and the same annular workpiece can be placed outside every three positioning pins 204, so as to perform batch positioning processing.

[0067] 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 laser cutting positioning device, comprising a processing bed (1), characterized in that: A positioning mechanism (2) is arranged on the top of the processing bed (1), and an adjustment mechanism (3) is arranged outside the positioning mechanism (2); The positioning mechanism (2) comprises a positioning rod 1 (201), a positioning rod 2 (202) and a positioning rod 3 (203); the tops of the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203) are all provided with positioning pins (204); the bottoms of the positioning pins (204) are provided with connecting pieces (205); and the outer side walls of the positioning pins (204) are provided with anti-slip pieces (206); The connecting member (205) comprises a threaded hole (2051) formed at the top of the first positioning rod (201), and the connecting member (205) further comprises a threaded column (2052) fixedly connected to the bottom of the positioning pin (204), and the threaded hole (2051) and the threaded column (2052) are screwed together; A plurality of positioning pins (204) are provided on the first positioning rod (201), the second positioning rod (202) and the third positioning rod (203), and the spacing between each positioning pin (204) is uniform and evenly arranged; The positioning mechanism (2) further comprises two slide grooves provided on two opposite surfaces of the outer wall of the processing bed (1), the two ends of the positioning rod 1 (201), the two positioning rod 2 (202) and the three positioning rod (203) being respectively inserted into the two slide grooves, and the two ends of the positioning rod 1 (201), the two positioning rod 2 (202) and the three positioning rod (203) being slidably connected to the slide grooves; The adjustment mechanism (3) comprises a plurality of U-shaped sleeves (301), the outer walls of the plurality of U-shaped sleeves (301) are provided with anti-distortion holes (302), the tops of the plurality of U-shaped sleeves (301) are provided with positioning bolts (303), and the outer walls of the plurality of U-shaped sleeves (301) are provided with fixing members (304) at positions close to the anti-distortion holes (302); Every two of the U-shaped sleeves (301) are respectively arranged at the two ends of the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203), and the two ends of the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203) are movably plugged into the anti-distortion hole (302); The U-shaped sleeve (301) is sleeved on the outer wall of the processing bed (1), the positioning bolt (303) and the top of the U-shaped sleeve (301) are screwed together, and the bottom of the positioning bolt (303) passes through the top of the U-shaped sleeve (301) and contacts the outer wall of the processing bed (1).

2. A laser cutting positioning device according to claim 1, characterized in that: The anti-slip member (206) comprises a groove (2061) formed on the outer side wall of the positioning pin (204), and a rubber ring (2062) is sleeved on the outer side wall of the groove (2061).

3. A laser cutting positioning device according to claim 1, characterized in that: The fixing member (304) comprises a sleeve (3041) fixedly connected to the outer wall of the anti-distortion hole (302), a fixing bolt (3042) being screwed onto the top of the sleeve (3041), and a bottom of the fixing bolt (3042) passing through the top of the sleeve (3041) and contacting the first positioning rod (201).

4. The method for using the laser cutting positioning device according to claim 1, characterized in that: The steps include: S1, take a ring-shaped workpiece as a model for standby use; S2, pulling the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203) back and forth in the anti-distortion hole (302), and then moving the U-shaped sleeve (301) connected to the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203) back and forth in the slide groove, thereby adjusting the positions of the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203); S3, positioning the annular workpiece by fitting the inner wall of the annular workpiece together through the cooperation of the three positioning pins (204) on the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203); S4, after the positioning rod 1 (201), the positioning rod 2 (202) and the positioning rod 3 (203) position an annular workpiece, the other positioning pins (204) will be placed in the same position as the above three positioning pins (204), and the same annular workpiece can be placed outside every three positioning pins (204), thereby performing batch positioning processing.

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