Workpiece center rapid positioning laser equipment with height measurement function

Abstract

The utility model provides a workpiece center quick positioning laser device with a height measurement function, which comprises a laser device body, a depth meter, a mounting rack, a swing arm and a reference cutter, the laser device body comprises a cylindrical shell, the mounting rack is arranged on the cylindrical shell, the depth meter is mounted on the mounting rack, the depth meter comprises a depth meter main body and a probe, and the probe is mounted on the mounting rack. The depth meter main body comprises a guide cylinder part, the probe is movably arranged on the guide cylinder part, one end of the swing arm is rotatably connected to the guide cylinder part, the reference cutter is detachably connected to the other end of the swing arm, and the bottom end of the probe is lower than the bottom end of the reference cutter. The height measuring device is simple in structure and easy and convenient to operate, height measurement can be smoothly completed in a small space between two workpieces, the applicability is high, the workpieces are prevented from being abraded in the height measurement process, meanwhile, the height measuring and centering functions are achieved, the function is stronger, and the measurement efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measuring equipment for numerical control machine tool especially to a workpiece center quick positioning laser equipment with height measurement function. BACKGROUND

[0002] With the continuous development of numerical control technology, numerical control machine tools are widely used in the precision machining of metal parts. Before the numerical control machine tool processes the workpiece, the center coordinates of the workpiece need to be determined first. The patent with the patent announcement number CN222289093U discloses "a workpiece center quick positioning compact laser equipment for numerical control machine tool", which quickly positions the workpiece center through laser, simplifies the measurement process and improves the measurement efficiency. However, the laser equipment cannot measure the height of the workpiece, and needs to use a reference knife to measure the height of the workpiece, which is not perfect in function and still inconvenient to use. SUMMARY

[0003] The utility model solves the problem of providing a workpiece center quick positioning laser equipment with height measurement function, which has centering and height measurement functions and improves the use convenience.

[0004] To solve the above technical problems, the utility model provides a workpiece center quick positioning laser equipment with height measurement function, which comprises a laser equipment body, a depth table, a mounting bracket, a swing arm and a reference knife. The laser equipment body comprises a cylindrical shell, the mounting bracket is arranged on the cylindrical shell, the depth table is installed on the mounting bracket, the depth table comprises a depth table main body and a probe, the depth table main body comprises a guide cylinder portion, the probe is movably arranged on the guide cylinder portion, one end of the swing arm is rotatably connected to the guide cylinder portion, the reference knife is detachably connected to the other end of the swing arm, and the bottom end height of the probe is lower than the bottom end height of the reference knife.

[0005] Preferably, the laser equipment body further comprises a bottom cover, a battery, a circuit board, a cross-shaped laser, a positioning bracket assembly and a mounting handle. The bottom end of the cylindrical shell is designed as an opening, the battery, the circuit board and the cross-shaped laser are arranged in the cylindrical shell, the positioning bracket assembly is fixedly installed in the cylindrical shell and positions the battery, the circuit board and the cross-shaped laser, the battery and the cross-shaped laser are electrically connected to the circuit board, the bottom cover is installed on the opening of the cylindrical shell, a light emitting hole is formed in the center of the bottom cover, the laser emitted by the cross-shaped laser can be emitted through the light emitting hole, and the mounting handle is arranged on the top end of the cylindrical shell.

[0006] Preferably, the mounting handle comprises a fixing column and a clamping rod connected to the top center of the fixing column, a mounting hole is provided through the top center of the cylindrical shell, the fixing column is inserted into the mounting hole, the laser device body further comprises a laser mounting cylinder, a spherical head is provided at the top of the laser mounting cylinder, a spherical groove matched with the spherical head is provided at the bottom of the fixing column, the spherical head is embedded in the spherical groove and can move in the spherical groove, and the cross-shaped laser is inserted into the laser mounting cylinder.

[0007] Preferably, the laser device body further comprises a numerical control tool handle, and a plug hole matched with the clamping rod is provided at the bottom of the numerical control tool handle.

[0008] Preferably, a light-transmitting waterproof and dustproof cover matched with the light outlet hole is provided on the light outlet hole.

[0009] Preferably, the light-transmitting waterproof and dustproof cover is glass.

[0010] Preferably, a switch and a charging interface are provided on the circuit board, a switch hole and a charging hole corresponding to the switch and the charging interface are provided through the bottom cover, and the switch and the charging interface respectively extend from the bottom of the switch hole and the charging hole.

[0011] Preferably, the reference tool comprises a handle portion, a connecting portion connected to the bottom end of the handle portion, a limiting disc connected to the bottom end of the connecting portion, and a contact head connected to the bottom of the limiting disc, an annular groove is provided on the side wall of the connecting portion, an accommodation groove matched with the handle portion is provided at the top of the swing arm, a through hole communicated with the accommodation groove is provided at the bottom of the swing arm, an arc-shaped groove matched with the connecting portion is provided at the top of the swing arm, one end of the arc-shaped groove is communicated with the accommodation groove, an arc-shaped through groove communicated with the arc-shaped groove is provided at the bottom of the swing arm, and one end of the arc-shaped through groove is communicated with the through hole.

[0012] Preferably, the contact head is spherical.

[0013] Preferably, one end of the swing arm is provided with a connecting hole matched with the guide cylinder portion, the connecting hole is movably arranged on the guide cylinder portion, and a limiting ring is sleeved on the guide cylinder portion.

[0014] The utility model discloses a beneficial effect is: the utility model provides a kind of workpiece center quick positioning laser equipment with height measurement function, workpiece is clamped on the machining table of numerical control machine tool, and laser equipment body is installed on the main shaft of numerical control machine tool.When workpiece height measurement operation is carried out, the height measurement function of numerical control machine tool is opened, swing arm is rotated, to let reference cutter be located at the downside of barrel type shell, the height difference of probe bottom end and reference cutter bottom end in this state is set as a, first pass through numerical control machine tool to drive the device to move to the above tool setting gauge, and let the bottom end of reference cutter touch the tool setting surface of tool setting gauge, and then numerical control machine tool can obtain the cutter length of reference cutter, then pass through numerical control machine tool to drive the device to move, to let reference cutter move to the above workpiece, again pass through numerical control machine tool to drive the device to move downward, to let probe rest on the top surface of workpiece until the value shown by depth gauge is a, at this time, the bottom surface of reference cutter is just located on the top surface of workpiece, and numerical control machine tool can obtain the height value of workpiece, by adding depth gauge, can let probe replace reference cutter and contact the top surface of workpiece, utilize the buffer function of depth gauge probe, avoid the wear and tear of reference cutter and workpiece top surface under conventional measurement operation, improve the service life of reference cutter, ensure measurement accuracy;When workpiece centering operation is carried out, the centering function of numerical control machine tool is opened, swing arm is rotated, to let reference cutter move away from the downside of barrel type shell, and laser equipment body can be used to carry out centering operation on workpiece. It is simple in structure, easy to operate, and height measurement can be successfully completed in the small space between two workpieces, has strong applicability, avoids workpiece wear and tear when height measurement, simultaneously has height measurement and centering function, is stronger in function, effectively improves measurement efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Exemplifies the appearance structure schematic diagram when the utility model carries out height measurement.

[0016] Figure 2 Exemplifies the appearance structure schematic diagram when the utility model carries out centering.

[0017] Figure 3 Exemplifies the cross section view when the utility model carries out height measurement.

[0018] Figure 4 Exemplifies the exploded structure schematic diagram of the utility model.

[0019] Figure 5 Exemplifies the structure schematic diagram of swing arm of the utility model.

[0020] Figure 6 Exemplifies the assembly structure schematic diagram of swing arm and reference cutter when the utility model carries out height measurement.

[0021] Figure 7 Exemplifies the assembly structure schematic diagram of swing arm and reference cutter when the utility model carries out centering.

[0022] The drawing number explanation: laser equipment body 1, barrel type shell 10, bottom cover 11, light transmission waterproof dustproof cover 110, battery 12, circuit board 13, cross type laser 14, positioning frame assembly 15, mounting handle 16, fixed column 160, spherical groove 160a, clamping rod 161, laser mounting barrel 17, spherical head 170, numerical control tool holder 18, depth gauge 2, depth gauge body 20, guide cylinder part 200, probe 21, limiting ring 22, mounting frame 3, swing arm 4, containing groove 40, through hole 41, arc-shaped groove 42, arc-shaped through groove 43, connecting hole 44, reference cutter 5, handle part 50, connecting part 51, annular groove 510, limiting disc 52, contact head 53. DETAILED DESCRIPTION

[0023] To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure.

[0024] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present disclosure.

[0025] Reference Figures 1-7 .

[0026] The utility model provides a kind of workpiece center quick positioning laser equipment with height measurement function, including laser equipment body 1, depth gauge 2, mounting frame 3, swing arm 4, reference cutter 5, laser equipment body 1 includes barrel type shell 10, mounting frame 3 is set on barrel type shell 10, depth gauge 2 is installed on mounting frame 3, depth gauge 2 includes depth gauge body 20, probe 21, depth gauge body 20 includes guide cylinder part 200, probe 21 is movably set on guide cylinder part 200, swing arm 4 is rotatably connected in one end on guide cylinder part 200, reference cutter 5 is detachably connected in the other end of swing arm 4, the bottom end height of probe 21 is lower than the bottom end height of reference cutter 5.

[0027] The working principle is that the workpiece is clamped on the machining table of the numerical control machine tool, and the laser equipment body 1 is installed on the spindle of the numerical control machine tool. When the workpiece height measurement operation is performed, the height measurement function of the numerical control machine tool is opened, the swing arm 4 is rotated to allow the reference cutter 5 to be located on the lower side of the cylindrical shell 10, the height difference between the bottom end of the probe 21 and the bottom end of the reference cutter 5 in this state is set as a, the device is first moved above the tool setting gauge by the numerical control machine tool, and the bottom end of the reference cutter 5 touches the tool setting surface of the tool setting gauge, and then the numerical control machine tool obtains the tool length of the reference cutter 5, and then the device is moved by the numerical control machine tool to allow the reference cutter 5 to move above the workpiece, and then the device is moved downward by the numerical control machine tool to allow the probe 21 to abut against the top surface of the workpiece until the value displayed by the depth gauge 2 is a, at this time the bottom end surface of the reference cutter 5 is just located on the top surface of the workpiece, and the numerical control machine tool obtains the height value of the workpiece. By adding the depth gauge 2, the probe 21 can replace the reference cutter 5 to contact the top surface of the workpiece, and the buffer function of the depth gauge 2 probe 21 is utilized to avoid the wear of the workpiece surface and the reference cutter caused by the contact between the reference cutter and the workpiece top surface in the conventional measurement operation, improve the service life of the reference cutter, and ensure the measurement accuracy; when the workpiece centering operation is performed, the centering function of the numerical control machine tool is opened, the swing arm 4 is rotated to allow the reference cutter 5 to move away from the lower side of the cylindrical shell 10, and the laser equipment body 1 can be used for centering operation of the workpiece. When the laser equipment body 1 needs to be lowered to a lower position, the reference cutter 5 can also be detached from the swing arm 4 to avoid the reference cutter 5 from touching the surface of the workpiece during centering. The structure is simple, the operation is simple, the height measurement can be successfully completed in a small space between two workpieces, the applicability is strong, the workpiece is avoided from being worn during height measurement, and the height measurement and centering functions are simultaneously provided, the function is stronger, the measurement efficiency is effectively improved.

[0028] Based on the above embodiment, the laser device body 1 further comprises a bottom cover 11, a battery 12, a circuit board 13, a cross laser 14, a positioning frame assembly 15, a mounting handle 16, the bottom end of the cylindrical shell 10 is designed as an opening, the battery 12, the circuit board 13, and the cross laser 14 are arranged in the cylindrical shell 10, the positioning frame assembly 15 is fixedly installed in the cylindrical shell 10 and positions the battery 12, the circuit board 13, and the cross laser 14, the battery 12 and the cross laser 14 are electrically connected with the circuit board 13, the bottom cover 11 is installed on the opening of the cylindrical shell 10, a light emitting hole is arranged in the center of the bottom cover 11, the cross laser emitted by the cross laser 14 can be emitted through the light emitting hole, and the mounting handle 16 is arranged on the top end of the cylindrical shell 10. When the workpiece is centered, the centering function of the numerical control machine tool is turned on, and the device is moved in the X-axis and Y-axis directions by shaking the hand wheel. First, the center of the cross laser line emitted by the cross laser 14 is aligned with a corner of the workpiece, at this time, the two straight angle lines of the cross laser line coincide with the two straight angle edges of the corner of the workpiece, and coordinate recording is performed on the numerical control system of the machine tool, then the device is moved to align the center of the cross laser line with the opposite corner of the workpiece, at this time, the two straight angle lines of the cross laser line coincide with the two straight angle edges of the opposite corner of the workpiece, and coordinate recording is performed on the numerical control system of the machine tool, only the cross laser line needs to be positioned to the two opposite corners of the workpiece, and the coordinate positions of the two opposite corners are recorded on the numerical control system, and the numerical control system can quickly determine the center coordinates of the workpiece.

[0029] Based on the above embodiment, the mounting handle 16 comprises a fixed column 160 and a clamping rod 161 connected to the top center of the fixed column 160, a mounting hole is arranged in the top center of the cylindrical shell 10 in a penetrating manner, the fixed column 160 is inserted into the mounting hole, the laser device body 1 further comprises a laser mounting cylinder 17, a spherical head 170 is arranged at the top of the laser mounting cylinder 17, a spherical groove 160a matched with the spherical head 170 is arranged at the bottom of the fixed column 160, the spherical head 170 is embedded in the spherical groove 160a and can move in the spherical groove 160a, and the cross laser 14 is inserted into the laser mounting cylinder 17. Since the spherical head 170 is embedded in the spherical groove 160a, the angle of the laser mounting cylinder 17 can be adjusted to improve the concentricity of the cross laser 14 and the mounting handle 16, thereby improving the centering accuracy of the laser device, without using high-priced lasers, saving costs, and reducing product sales prices.

[0030] Based on the above embodiment, the laser device body 1 further comprises a numerical control tool handle 18, a socket matched with the clamping rod 161 is arranged at the bottom of the numerical control tool handle 18, and the clamping rod 161 is inserted into the socket, so that the device is conveniently installed on the main shaft of the numerical control machine tool, and use is more convenient.

[0031] Based on the above embodiment, the light-emitting hole is provided with a light-transmitting waterproof and dustproof cover 110 matched with the light-emitting hole. The laser emitted by the cross laser 14 can be transmitted through the light-transmitting waterproof and dustproof cover 110, avoiding the emission end of the cross laser 14 from being contaminated.

[0032] Based on the above embodiment, the light-transmitting waterproof and dustproof cover 110 is glass, which has good light transmission.

[0033] Based on the above embodiment, the circuit board 13 is provided with a switch and a charging interface, and the bottom cover 11 is provided with a switch hole and a charging hole corresponding to the switch and the charging interface. The switch and the charging interface respectively extend from the bottom of the switch hole and the charging hole, facilitating the switching and charging operations of the laser equipment body 1.

[0034] Based on the above embodiment, the reference cutter 5 comprises a handle 50, a connecting portion 51 connected to the bottom end of the handle 50, a limiting disc 52 connected to the bottom end of the connecting portion 51, and a contact head 53 connected to the bottom of the limiting disc 52. An annular groove 510 is arranged on the side wall of the connecting portion 51. The top of the swing arm 4 is provided with a containing groove 40 matched with the handle 50. The bottom of the swing arm 4 is provided with a through hole 41 communicating with the containing groove 40. The top of the swing arm 4 is provided with an arc-shaped groove 42 matched with the connecting portion 51. One end of the arc-shaped groove 42 communicates with the containing groove 40. The bottom of the swing arm 4 is provided with an arc-shaped through groove 43 communicating with the arc-shaped groove 42. One end of the arc-shaped through groove 43 communicates with the through hole 41. Specifically, when the workpiece height measurement operation is performed, the contact head 53 and the connecting portion 51 are located on the containing groove 40 and the through hole 41, respectively. At this time, the reference cutter 5 is located below the cylindrical shell 10. The top surface of the contact head 53 is adjacent to the bottom surface of the bottom cover 11. The bottom cover 11 can limit the reference cutter 5 to prevent the reference cutter 5 from moving upward during measurement, thereby improving the measurement accuracy. When centering operation is needed, the swing arm 4 is first rotated to move the reference cutter 5 away from below the cylindrical shell 10. The reference cutter 5 is moved to allow the connecting portion 51 to slide into the arc-shaped groove 42, and the annular groove 510 is clamped between the two end surfaces of the arc-shaped through groove 43, so as to lift the reference cutter 5 to a certain height, avoiding the reference cutter 5 from colliding with the top surface of the workpiece during centering operation.

[0035] Based on the above embodiment, the contact head 53 is spherical, which reduces the contact area between the bottom end of the reference cutter 5 and the top surface of the workpiece during centering measurement, thereby avoiding the reference cutter 5 from wearing the surface of the workpiece.

[0036] Based on the above embodiment, one end of the swing arm 4 is provided with a connecting hole 44 matched with the guide cylinder portion 200. The connecting hole 44 is movably arranged on the guide cylinder portion 200. The guide cylinder portion 200 is sleeved with the limiting ring 22, which can limit the swing arm 4 to realize the rotation function of the swing arm 4 on the guide cylinder portion 200.

[0037] The above embodiments only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary engineering technicians in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A workpiece center quick positioning laser device with height measurement function, characterized in that, The utility model provides a laser equipment body, depth table, mounting frame, swing arm, reference cutter, the laser equipment body includes the cylinder type shell, the mounting frame sets up on the cylinder type shell, the depth table is installed on the mounting frame, the depth table includes depth table main part, probe, the depth table main part includes guide cylinder portion, the probe is movably arranged on the guide cylinder portion, one end of swing arm is rotatably connected on the guide cylinder portion, the reference cutter is detachably connected on the other end of swing arm, the bottom end height of probe is lower than the bottom end height of reference cutter.

2. The workpiece center quick positioning laser device with height measurement function according to claim 1, wherein, The laser equipment body also includes a bottom cover, a battery, a circuit board, a cross laser, a positioning frame assembly, and a mounting handle. The bottom end of the cylinder type shell is designed as an opening. The battery, the circuit board, and the cross laser are arranged in the cylinder type shell. The positioning frame assembly is fixedly installed in the cylinder type shell and positions the battery, the circuit board, and the cross laser. The battery and the cross laser are electrically connected with the circuit board. The bottom cover is installed on the opening of the cylinder type shell. A light emitting hole is arranged in the center of the bottom cover. The laser emitted by the cross laser can be emitted through the light emitting hole. The mounting handle is arranged on the top end of the cylinder type shell.

3. The workpiece center quick positioning laser apparatus with height measurement function according to claim 2, wherein, The mounting handle includes a fixed column and a clamping rod connected to the top center of the fixed column. A mounting hole is arranged in the top center of the cylinder type shell. The fixed column is inserted into the mounting hole. The laser equipment body also includes a laser mounting cylinder. A spherical head is arranged at the top of the laser mounting cylinder. A spherical groove matched with the spherical head is arranged at the bottom of the fixed column. The spherical head is embedded in the spherical groove and can move in the spherical groove. The cross laser is inserted into the laser mounting cylinder.

4. The workpiece center quick positioning laser apparatus with height measurement function according to claim 3, wherein, The laser equipment body also includes a numerical control tool handle. A jack is arranged at the bottom of the numerical control tool handle and matched with the clamping rod. The clamping rod is inserted into the jack.

5. The workpiece center quick positioning laser apparatus with height measurement function according to claim 4, wherein, A light-transmitting waterproof and dustproof cover matched with the light emitting hole is arranged on the light emitting hole.

6. The workpiece center quick positioning laser apparatus with height measurement function according to claim 5, wherein, The light-transmitting waterproof and dustproof cover is glass.

7. The workpiece center quick positioning laser apparatus with height measurement function according to claim 6, wherein, A switch and a charging interface are arranged on the circuit board. Switch holes and charging holes corresponding to the switch and the charging interface are arranged in the bottom cover. The switch and the charging interface respectively extend from the bottom of the switch holes and the charging holes.

8. A workpiece center quick positioning laser apparatus with height measuring function according to any one of claims 2-7, characterized in that, The reference cutter includes a handle, a connecting part connected to the bottom end of the handle, a limiting disc connected to the bottom end of the connecting part, and a contact head connected to the bottom of the limiting disc. An annular groove is arranged on the side wall of the connecting part. An accommodating groove matched with the handle is arranged at the top of the swing arm. A through hole communicated with the accommodating groove is arranged at the bottom of the swing arm. An arc-shaped groove matched with the connecting part is arranged at the top of the swing arm. One end of the arc-shaped groove is communicated with the accommodating groove. An arc-shaped through groove communicated with the arc-shaped groove is arranged at the bottom of the swing arm. One end of the arc-shaped through groove is communicated with the through hole.

9. The workpiece center quick positioning laser apparatus with height measurement function according to claim 8, wherein, The contact head is spherical.

10. The workpiece center quick positioning laser apparatus with height measurement function according to claim 1, wherein, One end of the swing arm is provided with a connecting hole matched with the guide cylinder part, the connecting hole is movably arranged on the guide cylinder part, and the guide cylinder part is sleeved with a limiting ring.

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