Workpiece center rapid positioning compact laser equipment for numerical control machine tool

Abstract

The utility model provides a workpiece center quick positioning compact laser device for a numerical control machine tool, which comprises a shell, a battery, a circuit board, a cross-shaped laser, a positioning frame assembly and a bottom cover, a circular cavity is arranged at the bottom of the shell, and the battery and the positioning frame assembly are arranged in the cavity and are respectively positioned on two sides of a sleeve part. The circuit board is installed in the positioning frame assembly, the battery and the cross-shaped laser device are both electrically connected with the circuit board, the bottom cover is combined at the bottom of the shell and closes the cavity, a through hole corresponding to the cross-shaped laser device is formed in the bottom cover in a penetrating mode, laser emitted by the cross-shaped laser device can be emitted out through the through hole, and a connecting handle part is arranged at the top of the shell. Rapid centering can be achieved by conducting coordinate measurement on the two opposite angles, the centering device has good concentricity, the structure is compact, the size is small, the centering accuracy is high, the centering operation process can be simplified, the operation mode is simple and easy to operate, labor is saved, the machine tool utilization rate is improved, the use experience feeling is better, and the centering device is worthy of application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of laser equipment, in particular to a compact laser equipment for quickly positioning the workpiece center of a numerical control machine tool. Background Art

[0002] With the continuous development of CNC technology, CNC machine tools are widely used in the precision machining of metal parts. Before CNC machine tools process workpieces, the center coordinates of the workpiece need to be determined first. Currently, the coordinates are mainly found by installing a reference tool or a centering rod on the machine tool. Workers need to move the X-axis, Y-axis, and Z-axis of the CNC machine tool to make the tool or centering rod touch the four sides of the workpiece to set the center coordinates. This method has complicated operation steps and low operation efficiency, which takes up the production time of the machine and the working time of the workers. In addition, during the centering operation, the workpiece may be accidentally damaged due to the direction of the tool shifting, which will cause damage to the tool and the machine tool. Summary of the invention

[0003] The problem to be solved by the utility model is to provide a compact laser device for quickly locating the center of a workpiece of a numerically controlled machine tool, thereby simplifying the operation process and improving the centering efficiency.

[0004] To solve the above technical problems, a compact laser device for quickly positioning the center of a workpiece for a CNC machine tool is provided according to the utility model, comprising a housing, a battery, a circuit board, a cross-shaped laser, a positioning frame assembly, and a bottom cover. A circular cavity is provided at the bottom of the housing, and a sleeve portion matching the cross-shaped laser is extended downward from the top of the circular cavity. The cross-shaped laser is provided in the sleeve portion, and the battery and the positioning frame assembly are provided in the cavity and are respectively located on both sides of the sleeve portion. The circuit board is installed in the positioning frame assembly, and the battery and the cross-shaped laser are electrically connected to the circuit board. The bottom cover is assembled at the bottom of the housing and closes the cavity. A through hole corresponding to the cross-shaped laser is penetrated through the bottom cover, and the laser emitted by the cross-shaped laser can be emitted through the through hole. A connecting handle is provided on the top of the housing.

[0005] Preferably, the positioning frame assembly includes a fan-shaped upper bracket and a fan-shaped lower bracket, the outer edges and inner edges of the fan-shaped upper bracket and the fan-shaped lower bracket are respectively matched with the inner wall of the circular cavity and the outer wall of the sleeve portion, the outer walls and inner walls of the fan-shaped upper bracket and the fan-shaped lower bracket are respectively adjacent to the inner wall of the circular cavity and the outer wall of the sleeve portion, a plurality of first arcuate edges are spaced apart on the bottom outer edge and inner edge of the fan-shaped upper bracket, a plurality of second arcuate edges are spaced apart on the top outer edge and inner edge of the fan-shaped lower bracket, the first arcuate edge and the second arcuate edge are staggered, the first arcuate edge is disposed between two adjacent second arcuate edges, the second arcuate edge is disposed between two adjacent first arcuate edges, and the circuit board is snap-connected between the plurality of first arcuate edges.

[0006] Preferably, a control switch and a charging interface are provided on the circuit board, and a switch hole and a power connection hole corresponding to the control switch and the charging interface are penetrated through the fan ring-shaped lower bracket and the bottom cover, and the control switch and the charging interface are respectively arranged in the switch hole and the power connection hole.

[0007] Preferably, a first accommodating groove is provided at the bottom of the through hole, and a light-transmitting sheet is provided in the first accommodating groove.

[0008] Preferably, a second receiving groove connected to the power connection hole is provided at the bottom of the bottom cover, and a sealing plug for sealing the charging interface is provided in the second receiving groove.

[0009] Preferably, a battery slot and a bracket slot are provided on the top of the circular cavity, which are matched with the battery and the fan annular upper bracket respectively, and the battery and the fan annular upper bracket are respectively arranged on the battery slot and the bracket slot.

[0010] Preferably, a wire outlet hole is provided through the side wall of the sleeve portion, and the lead wires of the cross-shaped laser are connected to the circuit board through the wire outlet hole.

[0011] Preferably, the light-transmitting sheet is glass.

[0012] Preferably, the connecting handle is configured to be cylindrical.

[0013] Preferably, the connecting handle is configured to be in the shape of a CNC tool handle.

[0014] The beneficial effects of the utility model are as follows: the utility model provides a compact laser device for quickly locating the center of a workpiece of a CNC machine tool, the battery can supply power to the circuit board, the cross-shaped laser works under the control of the circuit board, the workpiece is clamped on the processing table of the CNC machine tool, the connecting handle of the laser device is installed on the spindle of the CNC machine tool, the centering function of the CNC machine tool is turned on, and the laser device can be driven to move in the X-axis and Y-axis directions by shaking the hand wheel. First, the center of the cross-shaped laser line of the cross-shaped laser is aligned with one corner of the workpiece, at this time, the two right-angled lines of the cross-shaped laser line coincide with the two right-angled sides of one corner of the workpiece, and the coordinates are recorded on the CNC system of the machine tool, and then the laser device is moved to align the center of the cross-shaped laser line with the diagonal part of the workpiece, at this time, the two right-angled lines of the cross-shaped laser line coincide with the two right-angled sides of the diagonal part of the workpiece, and the coordinates are recorded on the CNC system of the machine tool, and the cross-shaped laser line is positioned at the two diagonal parts of the workpiece, and the coordinate positions of the two diagonal parts are recorded on the CNC system, and the CNC system can quickly determine the center coordinates of the workpiece to accurately process the workpiece. It has a simple structure, good concentricity, compact structure, small size, high centering accuracy, can simplify the centering operation process, is simple to operate, easy to use, saves labor, improves machine tool utilization, and provides a better user experience, so it is worthy of promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The schematic diagram of the appearance structure of the first form of the utility model is illustrated.

[0016] Figure 2 The schematic diagram of the appearance structure of the second form of the utility model is illustrated.

[0017] Figure 3 The cross-sectional structure diagram of the first form of the utility model is illustrated.

[0018] Figure 4 A schematic cross-sectional structure diagram of the second form of the utility model is illustrated.

[0019] Figure 5 The schematic diagram of the exploded structure of the utility model is illustrated.

[0020] Explanation of the accompanying drawings: housing 1, circular cavity 10, sleeve portion 11, wire outlet hole 110, connecting handle 12, battery 2, battery slot 100, bracket slot 101, circuit board 3, control switch 30, charging interface 31, cross-shaped laser 4, bottom cover 5, through hole 50, first accommodating groove 500, switch hole 51, light-transmitting sheet 501, power connection hole 52, second accommodating groove 53, sealing plug 530, fan-shaped upper bracket 60, first arcuate edge 600, fan-shaped lower bracket 61, second arcuate edge 610. DETAILED DESCRIPTION

[0021] To make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments.

[0022] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present disclosure.

[0023] refer to Figure 1-5 .

[0024] The utility model provides a compact laser device for quickly positioning the center of a workpiece for a numerically controlled machine tool, comprising a shell 1, a battery 2, a circuit board 3, a cross-shaped laser 4, a positioning frame assembly, and a bottom cover 5. A circular cavity 10 is arranged at the bottom of the shell 1, and a sleeve portion 11 matching the cross-shaped laser 4 is extended downward from the top of the circular cavity 10. The cross-shaped laser 4 is arranged in the sleeve portion 11, and the battery 2 and the positioning frame assembly are arranged in the circular cavity 10 and are respectively located on both sides of the sleeve portion 11. The circuit board 3 is installed in the positioning frame assembly, and the battery 2 and the cross-shaped laser 4 are electrically connected to the circuit board 3. The bottom cover 5 is assembled at the bottom of the shell 1 and closes the circular cavity 10. A through hole 50 corresponding to the cross-shaped laser 4 is penetrated on the bottom cover 5, and the laser emitted by the cross-shaped laser 4 can be emitted through the through hole 50. A connecting handle 12 is arranged on the top of the shell 1.

[0025] Its working principle is that the battery 2 can supply power to the circuit board 3, and the cross-shaped laser 4 works under the control of the circuit board 3. The workpiece is clamped on the processing table of the CNC machine tool, and the connecting handle 12 of the laser device is installed on the spindle of the CNC machine tool. The centering function of the CNC machine tool can be turned on, and the laser device can be driven to move in the X-axis and Y-axis directions by shaking the hand wheel. First, the center of the cross-shaped laser line of the cross-shaped laser 4 is aligned with one corner of the workpiece. At this time, the two right-angled lines of the cross-shaped laser line coincide with the two right-angled sides of one corner of the workpiece, and the coordinates are recorded on the CNC system of the machine tool. Then, the laser device is moved to align the center of the cross-shaped laser line with the diagonal part of the workpiece. At this time, the two right-angled lines of the cross-shaped laser line coincide with the two right-angled sides of the diagonal part of the workpiece, and the coordinates are recorded on the CNC system of the machine tool. It is only necessary to position the cross-shaped laser line to the two diagonal parts of the workpiece, and record the coordinate positions of the two diagonal parts on the CNC system. The CNC system can quickly determine the center coordinates of the workpiece to accurately process the workpiece. It has a simple structure, good concentricity, compact structure, small size, high centering accuracy, can simplify the centering operation process, is simple to operate, easy to use, saves labor, improves machine tool utilization, and provides a better user experience, so it is worthy of promotion and use.

[0026] Based on the above embodiment, the positioning frame assembly includes a fan-shaped upper bracket 60 and a fan-shaped lower bracket 61. The outer edges and inner edges of the fan-shaped upper bracket 60 and the fan-shaped lower bracket 61 are respectively matched with the inner wall of the circular cavity 10 and the outer wall of the sleeve portion 11. The outer walls and inner walls of the fan-shaped upper bracket 60 and the fan-shaped lower bracket 61 are respectively adjacent to the inner wall of the circular cavity 10 and the outer wall of the sleeve portion 11. A plurality of first arcuate edges 600 are arranged at intervals on the bottom outer edge and inner edge of the fan-shaped upper bracket 60, and a plurality of second arcuate edges 610 are arranged at intervals on the top outer edge and inner edge of the fan-shaped lower bracket 61. The first arcuate edge 600 and the second arcuate edge 610 are staggered. The first arcuate edge 600 is arranged between two adjacent second arcuate edges 610, and the second arcuate edge 610 is arranged between two adjacent first arcuate edges 600. The circuit board 3 is snap-fitted and connected between the plurality of first arcuate edges 600. The circuit board 3 can be made into a fan-shaped ring, which can reduce the diameter of the housing 1 and realize the miniaturization of the laser device. It has a compact structure, good assembly stability, and is easy to assemble and disassemble.

[0027] Based on the above embodiment, the circuit board 3 is provided with a control switch 30 and a charging interface 31, and the fan ring lower bracket 61 and the bottom cover 5 are penetrated with a switch hole 51 and a power connection hole 52 respectively corresponding to the control switch 30 and the charging interface 31, and the control switch 30 and the charging interface 31 are respectively arranged in the switch hole 51 and the power connection hole 52. The laser device can be turned on or off through the control switch 30, and the battery 2 can be conveniently charged through the charging interface 31.

[0028] Based on the above embodiment, a first receiving groove 500 is provided at the bottom of the through hole 50, and a light-transmitting sheet 501 is provided in the first receiving groove 500. The laser emitted by the cross-shaped laser 4 can be emitted through the light-transmitting sheet 501, thereby preventing the emission end of the cross-shaped laser 4 from being contaminated.

[0029] Based on the above embodiment, a second receiving groove 53 connected to the power connection hole 52 is provided at the bottom of the bottom cover 5. A sealing plug 530 for sealing the charging interface 31 is provided in the second receiving groove 53. When not charging, the charging interface 31 can be sealed to prevent the charging interface 31 from being contaminated or damaged.

[0030] Based on the above embodiment, a battery slot 100 and a bracket slot 101 which match the battery 2 and the fan-shaped upper bracket 60 respectively are provided on the top of the circular cavity 10. The battery 2 and the fan-shaped upper bracket 60 are respectively arranged on the battery slot 100 and the bracket slot 101. The battery 2 and the positioning frame assembly can be positioned in the circular cavity 10 to reduce the height of the laser equipment.

[0031] Based on the above embodiment, a wire outlet hole 110 is provided through the side wall of the sleeve portion 11 , and the lead wires of the cross-shaped laser 4 are connected to the circuit board 3 through the wire outlet hole 110 , which is convenient for assembly.

[0032] Based on the above embodiment, the light-transmitting sheet 501 is made of glass, which has good light transmittance, low cost and easy maintenance.

[0033] Based on the above embodiment, the connecting handle 12 is set to be cylindrical, and a socket matching the connecting handle 12 needs to be set at the bottom of the CNC tool handle to achieve the connection between the connecting handle 12 and the CNC spindle, thereby reducing the production cost of the laser equipment.

[0034] Based on the above embodiment, the connecting handle 12 is configured as a CNC tool handle, and the connecting handle 12 can be directly inserted into the CNC spindle, making the connection between the laser device and the CNC spindle more convenient without the need for an additional tool handle.

[0035] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A compact laser device for rapid positioning of the workpiece center of a CNC machine tool, characterized in that: The invention comprises a shell, a battery, a circuit board, a cross-shaped laser, a positioning frame assembly and a bottom cover, wherein a circular cavity is arranged at the bottom of the shell, a sleeve portion matching the cross-shaped laser is extended downward from the top of the circular cavity, the cross-shaped laser is arranged in the sleeve portion, the battery and the positioning frame assembly are arranged in the circular cavity and are respectively located on both sides of the sleeve portion, the circuit board is installed in the positioning frame assembly, the battery and the cross-shaped laser are electrically connected to the circuit board, the bottom cover is assembled at the bottom of the shell and closes the circular cavity, a through hole corresponding to the cross-shaped laser is penetrated on the bottom cover, the laser emitted by the cross-shaped laser can be emitted through the through hole, and a connecting handle portion is arranged on the top of the shell.

2. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 1, characterized in that: The positioning frame assembly includes a fan-shaped upper bracket and a fan-shaped lower bracket, the outer edges and inner edges of the fan-shaped upper bracket and the fan-shaped lower bracket are respectively matched with the inner wall of the circular cavity and the outer wall of the sleeve portion, the outer walls and inner walls of the fan-shaped upper bracket and the fan-shaped lower bracket are respectively adjacent to the inner wall of the circular cavity and the outer wall of the sleeve portion, a plurality of first arcuate edges are arranged at intervals on the bottom outer edge and inner edge of the fan-shaped upper bracket, a plurality of second arcuate edges are arranged at intervals on the top outer edge and inner edge of the fan-shaped lower bracket, the first arcuate edge and the second arcuate edge are staggered, the first arcuate edge is arranged between two adjacent second arcuate edges, the second arcuate edge is arranged between two adjacent first arcuate edges, and the circuit board is buckled and connected between the plurality of first arcuate edges.

3. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 2, characterized in that: The circuit board is provided with a control switch and a charging interface, and the fan ring-shaped lower bracket and the bottom cover are penetrated with switch holes and power connection holes respectively corresponding to the control switch and the charging interface, and the control switch and the charging interface are respectively arranged in the switch hole and the power connection hole.

4. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 3, characterized in that: A first accommodating groove is arranged at the bottom of the through hole, and a light-transmitting sheet is arranged in the first accommodating groove.

5. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 3, characterized in that: The bottom of the bottom cover is provided with a second receiving groove connected with the power connection hole, and the second receiving groove is provided with a sealing plug for sealing the charging interface.

6. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 2, characterized in that: The top of the circular cavity is provided with a battery slot and a bracket slot which are matched with the battery and the fan annular upper bracket respectively, and the battery and the fan annular upper bracket are respectively arranged on the battery slot and the bracket slot.

7. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 2, characterized in that: A wire outlet hole is formed through the side wall of the sleeve portion, and the lead wire of the cross-shaped laser is connected to the circuit board through the wire outlet hole.

8. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 4, characterized in that: The light-transmitting sheet is glass.

9. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 1, characterized in that: The connecting handle is configured in a cylindrical shape.

10. A compact laser device for rapid positioning of the workpiece center for a CNC machine tool according to claim 1, characterized in that: The connecting handle is configured to be in the shape of a numerical control tool handle.

Images