CN221639817U - Laser grinder - Google Patents

Abstract

The utility model relates to the technical field of polycrystalline diamond processing, and specifically to a laser grinding machine, comprising a laser processing mechanism, a workpiece shifting mechanism, a cooling mechanism and a dust removal mechanism. A rotating driving member is provided on a shifting seat of the workpiece shifting mechanism, a workpiece clamping member is provided on a rotating portion of the rotating driving member, the workpiece is clamped on the workpiece clamping member, a laser emission direction of the laser processing mechanism has an angle with a workpiece surface, a first air blowing cooling mechanism and a second air blowing cooling mechanism of the cooling mechanism respectively blow air to cool the workpiece from the lower outer side of the workpiece and the laser processing mechanism to avoid damage to the workpiece due to high temperature, an upper dust removal hood and a lower dust removal hood of the dust removal mechanism are butted to form a covering dust removal hood, and the workpiece is laser processed in the covering dust removal hood to avoid direct dispersion of powder slag into a workshop to affect the environment and the laser processing effect.

Description

A laser grinding machine

Technical Field

The utility model relates to the technical field of polycrystalline diamond processing, in particular to a laser grinding machine.

Background Art

Traditional polycrystalline diamond rough processing mostly uses contact grinding technology, which uses free or consolidated abrasives to grind the processed polycrystalline diamond, which not only has high processing costs but also low efficiency. With the improvement of technology level, efficient laser grinding is currently used for polycrystalline diamond processing.

When using a laser grinder to grind polycrystalline diamond, the following technical problems exist: 1. During the laser grinding process, in order to prevent the workpiece surface temperature from being too high and burning the workpiece, a special cooling structure needs to be set up. Existing laser grinders mostly use water cooling, which has high requirements on the quality of the water cooling pipe, and the setting position of the water cooling pipe is not easy to adjust, and it is not easy to adjust the position of the water cooling pipe and the workpiece according to workpieces of different specifications; 2. During the laser grinding process, a large amount of powder slag and dust will be generated on the surface of the workpiece. If these powder slag and dust are not cleaned in time, it will affect the grinding effect of the workpiece, and will also affect the table of the laser grinder and the environment of the workshop.

Utility Model Content

The technical problem to be solved by the utility model is to provide a laser grinding machine, which can not only facilitate efficient laser grinding processing of workpieces such as polycrystalline diamond, but also cool the workpiece to avoid damage caused by the high temperature generated by laser processing, and also avoid the powder and dust generated by laser processing from being scattered and affecting the laser processing and the workshop environment.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a laser grinding machine, including a laser processing mechanism, a workpiece shifting mechanism, a cooling mechanism and a dust removal mechanism, the workpiece shifting mechanism and the laser processing mechanism are both arranged on a frame, a rotating driving member is arranged on the shifting seat of the workpiece shifting mechanism, a workpiece clamping member is arranged on the rotating part of the rotating driving member, the laser emitting direction of the laser processing mechanism is inclined relative to the rotating axis of the rotating driving member, the cooling mechanism includes a first air blowing cooling member and a second air blowing cooling member, the first air blowing cooling member It is arranged on the shift seat and blows air to the workpiece from the bottom of the workpiece clamp. The second blowing cooling part is arranged at the laser processing mechanism and blows air to the workpiece clamp. The dust removal mechanism includes a lower dust cover and an upper dust cover. The lower dust cover is arranged on the shift seat. The lower dust cover is provided with a workpiece clearance hole and a lower dust exhaust hole. The upper dust cover is arranged above the lower dust cover and docked with the lower dust cover to form a covering dust cover. The clamping part of the workpiece clamp extends into the covering dust cover through the workpiece clearance hole. The upper dust cover and/or the lower dust cover are provided with a processing clearance hole.

The rotating driving member drives the workpiece clamped by the workpiece clamping member to rotate, and the workpiece shifting mechanism drives the rotating driving member to move and then drives the workpiece to move relative to the laser processing mechanism. There is an angle between the laser emitted by the laser processing mechanism and the workpiece, which can meet the needs of grinding the plane; the first air blowing cooling member and the second air blowing cooling member of the cooling mechanism cooperate to blow air to cool the surface of the workpiece comprehensively, so as to avoid the high temperature caused by the laser damaging the workpiece; the upper dust removal hood and the lower dust removal hood of the dust removal mechanism cooperate to cover the workpiece, and the workpiece is laser processed in the covered dust removal hood formed by the upper dust removal hood and the lower dust removal hood, so as to collect the powder and dust generated by the laser processing.

Furthermore, the laser processing mechanism includes a laser and an optical path transmission unit, the laser is arranged at the optical path incident end of the optical path transmission unit, the optical path output end of the optical path transmission unit is directed toward the workpiece clamp and guides the laser emitted by the laser to the workpiece clamp, and the laser light path derived by the optical path transmission unit forms an angle of 3-9° with the processing surface of the workpiece at the workpiece clamp.

Furthermore, the workpiece shifting mechanism comprises a workpiece shifting driving member and a shifting seat, wherein the action end of the workpiece shifting driving member is connected to the shifting seat and drives the shifting seat to move;

The laser processing mechanism also includes a laser adjustment driver, an action end of the laser adjustment driver is connected to the optical path transmission unit and drives the optical path transmission unit to move, the movement direction of the optical path transmission unit is perpendicular to the movement direction of the shift seat, and the second air blowing cooling member is arranged at the action end of the laser adjustment driver.

The workpiece shifting mechanism can drive the clamped workpiece to move on the frame, the laser adjustment drive can drive the laser and the optical path transmission unit to adjust in the height direction, and the workpiece shifting mechanism and the laser adjustment drive are linked to enable the laser processing mechanism to perform all-round laser grinding processing on the workpiece surface.

Furthermore, the second air blowing cooling member includes a second air blowing pipe, and the air blowing end of each second air blowing pipe is distributed outside the laser and is all facing the workpiece clamping position of the workpiece clamping member. The first air blowing cooling member includes a first air blowing pipe, and the air blowing end of each first air blowing pipe is distributed below the outside of the workpiece clamping member and is all facing the workpiece clamping position.

Each second air blowing pipe guides gas to the workpiece at the laser, which is beneficial to blowing and cooling the laser processed part of the workpiece. Each first air blowing pipe guides gas to the workpiece from the outer side and lower side of the workpiece clamp, which is beneficial to cooling the surface and lower area of the workpiece.

Furthermore, the cooling mechanism also includes an air supply mechanism, which includes an air source device, and the air source device is connected to each first air blowing pipe and each second air blowing pipe.

Furthermore, the air supply mechanism also includes a filter and an air storage mechanism, the air source device is connected to the air storage mechanism through the filter, and each first air blowing pipe and each second air blowing pipe are connected to the air storage mechanism.

The filter filters the gas provided by the gas source device and then supplies it to each first air blowing pipe and each second air blowing pipe through the gas storage mechanism to prevent the gas from containing impurities that affect laser processing.

Furthermore, the air supply mechanism also includes an air pressure alarm, the air inlet end of the filter is connected to the air source equipment, the air outlet end of the filter is connected to the air pressure alarm, and the filter is connected to the air storage mechanism through the air pressure alarm.

Furthermore, both the upper dust cover and the lower dust cover are provided with processed clearance holes, and when the upper dust cover and the lower dust cover are butted together to form a covered dust cover, the two processed clearance holes are butted together to form a processed clearance groove.

Furthermore, the dust removal mechanism also includes an inner cover plate, which is buckled in the lower dust cover and detachably cooperates with the lower dust cover. A plurality of mesh holes are arranged on the inner cover plate, and a third processed clearance hole is arranged on the inner cover plate corresponding to the workpiece clearance hole. When the upper dust cover is connected to the lower dust cover, the third processed clearance hole corresponds to the processed clearance groove.

The inner cover plate is arranged on the lower dust cover and separates the space inside the dust cover. Large particles of heavy powder, slag and dust generated by laser processing are blocked in the lower dust cover and discharged from the lower dust discharge hole.

Furthermore, the dust removal mechanism also includes a dust collector, and the lower dust discharge hole is connected to the dust collector and guides the dust into the dust collector;

and/or

The upper dust removal cover is provided with an upper dust exhaust hole, and the upper dust exhaust hole is connected to the negative pressure device.

Under the action of the inner cover plate, large particles of heavy powder and dust generated by laser processing are blocked in the lower dust cover and enter the dust collector from the lower dust discharge hole, while small particles of light powder and dust are discharged from the upper dust discharge hole of the upper dust cover under the drive of the negative pressure device.

Compared with the prior art, the utility model has the following beneficial effects:

1. The laser emission direction of the laser processing mechanism is inclined relative to the rotation axis of the rotary drive component. The laser and the workpiece surface have a certain angle, which meets the needs of grinding the plane during laser processing. The laser processing mechanism can process the surface and chamfer of the workpiece, effectively improving the processing efficiency;

2. The workpiece can be driven to rotate by the rotary drive and can be driven to move by the workpiece shifting mechanism. The laser and optical transmission unit of the laser processing mechanism can be raised and lowered under the drive of the laser adjustment drive. While being able to achieve comprehensive processing of the workpiece surface, it is also convenient for the clamping and placement of the workpiece;

3. The cooling mechanism cools the workpiece by means of air blowing cooling, wherein the first air blowing cooling member is arranged on the shift seat, and air is blown from the outside and bottom of the workpiece to cool the outside and bottom of the workpiece, and the second air blowing cooling member is arranged at the laser processing mechanism, and air is blown from the laser emission position to the processing part of the workpiece to cool the workpiece, thereby effectively preventing the workpiece from being damaged by high temperature;

4. The upper dust hood and the lower dust hood of the dust removal mechanism cooperate to form an enveloping dust hood. The clamped workpiece extends into the enveloping dust hood. The laser emitted by the laser processing mechanism passes through the processing clearance hole to perform laser grinding on the workpiece. The powder slag and dust generated by the processing are in the enveloping dust hood. Part of it is discharged from the lower dust discharge hole and collected in the dust collector, and the other part is discharged from the upper dust discharge hole to avoid direct scattering and affecting the workshop environment and laser processing.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic diagram of the three-dimensional structure of a laser grinding machine;

FIG2 is a schematic diagram of the structure of the laser grinding machine from the front-end perspective;

FIG3 is a schematic diagram of the state of the laser processing mechanism relative to the rotating driving member;

FIG4 is a schematic structural diagram of a cooling mechanism;

FIG5 is a schematic diagram of the structure of a dust removal mechanism;

FIG6 is a schematic diagram of the structure of the lower dust removal cover;

In the figure: 1. laser processing mechanism, 11. laser, 12. optical path transmission unit, 13. laser adjustment drive, 2. workpiece shifting mechanism, 21. workpiece shifting drive, 22. shifting seat, 3. cooling mechanism, 31. first air blowing cooling member, 32. second air blowing cooling member, 33. air storage mechanism, 4. dust removal mechanism, 41. lower dust removal hood, 42. upper dust removal hood, 43. inner cover plate, 44. dust accumulator, 5. frame, 6. rotating drive, 7. workpiece clamping member.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

The utility model provides a laser grinding machine, which aims to solve the problem that when grinding polycrystalline diamond and other workpieces, the laser or the workpiece needs to be adjusted to process structures such as chamfers, which affects the processing efficiency, and can remove dust and cool the workpiece during laser grinding.

Please refer to Figures 1 to 6. The laser grinding machine of the utility model includes a laser processing mechanism 1, a workpiece shifting mechanism 2, a cooling mechanism 3 and a dust removal mechanism 4. The workpiece shifting mechanism 2 and the laser processing mechanism 1 are both arranged on a frame 5. A rotating driving member 6 is arranged on a shifting seat 22 of the workpiece shifting mechanism 2. A workpiece clamping member 7 is arranged on the rotating portion of the rotating driving member 6. The laser emitting direction of the laser processing mechanism 1 is inclined relative to the rotating axis of the rotating driving member 6. The cooling mechanism 3 includes a first air blowing cooling member 31 and a second air blowing cooling member 32. The first air blowing cooling member 31 is arranged on the shifting seat 22. And blow air to the workpiece from the bottom of the workpiece clamp 7, the second blowing cooling part 32 is arranged at the laser processing mechanism 1 and blows air to the workpiece clamp 7, the dust removal mechanism 4 includes a lower dust removal cover 41 and an upper dust removal cover 42, the lower dust removal cover 41 is arranged on the shift seat 22, the lower dust removal cover 41 is provided with a workpiece clearance hole and a lower dust exhaust hole, the upper dust removal cover 42 is arranged above the lower dust removal cover 41 and docked with the lower dust removal cover 41 to form a covering dust removal cover, the clamping part of the workpiece clamp 7 extends into the covering dust removal cover through the workpiece clearance hole, and the upper dust removal cover 42 and/or the lower dust removal cover 41 are provided with a processing clearance hole.

Specifically, the laser processing mechanism 1 is arranged on the frame 5, and the laser processing mechanism 1 is used to emit laser to perform laser grinding processing on polycrystalline diamond workpieces or other types of workpieces. The workpiece shifting mechanism 2 is arranged on the frame 5, and a rotating driving member 6 is arranged on the shifting seat 22 of the workpiece shifting mechanism 2. The workpiece shifting mechanism 2 can drive the rotating driving member 6 to shift, and the rotating part of the rotating driving member 6 is provided with a workpiece clamping member 7. The workpiece is clamped by the workpiece clamping member 7 and can be driven to rotate by the rotating driving member 6. At the same time, the workpiece can also be driven by the workpiece shifting mechanism 2 to move relative to the laser processing mechanism 1. The workpiece shifting mechanism 2 and the rotating driving member 6 drive the workpiece shift adjustment and rotation adjustment, so as to facilitate the laser processing mechanism 1 to grind the workpiece.

The laser emission direction of the laser processing mechanism 1 is inclined relative to the rotation axis of the rotating drive member 6, and the laser emission direction of the laser processing mechanism 1 has a certain inclination angle relative to the workpiece. By adjusting the rotation and displacement of the workpiece, the laser processing mechanism 1 can efficiently complete the grinding processing of the workpiece surface, outer circle and chamfer.

The first air blowing cooling member 31 is arranged on the shift seat 22, and the first air blowing cooling member 31 blows air to the workpiece from the bottom of the workpiece clamp 7, and blows air to cool the surface of the workpiece and the lower area of the workpiece; the second air blowing cooling member 32 is arranged at the laser processing mechanism 1, and the second air blowing cooling member 32 blows air to the workpiece from the laser emission point of the laser processing mechanism 1, and blows air to cool the laser processing position of the workpiece. The first air blowing cooling member 31 and the second air blowing cooling member 32 cooperate to perform all-round air blowing cooling on the surface of the workpiece, effectively preventing the workpiece from being damaged due to excessive temperature during laser processing.

The lower dust cover 41 of the dust removal mechanism 4 is arranged on the shift seat 22, and the lower dust cover 41 is provided with a workpiece clearance hole and a lower dust discharge hole, and the upper dust cover 42 is arranged above the lower dust cover 41, and the lower dust cover 41 and the upper dust cover 42 are connected to form an enclosing dust cover, and the clamping part of the workpiece clamping member 7 passes through the workpiece clearance hole of the lower dust cover 41 and extends into the enclosing dust cover, and the workpiece clamped by the workpiece clamping member 7 is also in the internal space of the enclosing dust cover, and the upper dust cover 42 and/or the lower dust cover 41 are provided with a processing clearance hole, and the laser emitted by the laser processing mechanism 1 acts on the workpiece through the processing clearance hole to realize laser grinding processing of the workpiece, and the powder residue and dust generated by the laser grinding processing of the workpiece are also gathered in the enclosing dust cover, and the lower dust discharge hole arranged on the lower dust cover 41 is used to discharge the powder residue and dust generated by the laser grinding processing.

In this embodiment, the rotary drive member 6 can drive the workpiece to rotate, the workpiece shifting mechanism 2 can drive the rotary drive member 6 and the workpiece to shift and adjust, and the laser emission direction of the laser processing mechanism 1 has a certain inclination angle relative to the workpiece. The laser processing mechanism 1 can grind the outer surface and chamfer of the workpiece, and the inclination of the laser emission direction relative to the workpiece can meet the requirements of the grinding plane, which greatly improves the processing efficiency and convenience of processing; the first blowing cooling member 31 and the second blowing cooling member 32 of the cooling mechanism 3 cooperate to blow air to cool the workpiece surface, the periphery of the workpiece and the processing part of the workpiece to avoid high temperature damage to the workpiece under the laser. The airflow pipeline required for the air blowing cooling method can be at a certain distance from the workpiece, which is convenient for adjusting the blowing direction and avoiding affecting the laser processing of the workpiece; when the workpiece is undergoing laser grinding processing, it is in the enclosed dust cover formed by the upper dust cover 42 and the lower dust cover 41, which can effectively prevent the powder slag and dust generated by the processing from scattering. The powder slag and other debris generated by the processing can be discharged from the lower dust discharge hole of the lower dust cover 41, which is conducive to maintaining the environment of the production workshop.

The laser processing mechanism 1 includes a laser 11 and an optical path transmission unit 12. The laser 11 is arranged at the optical path incident end of the optical path transmission unit 12. The optical path output end of the optical path transmission unit 12 faces the workpiece clamp 7 and guides the laser emitted by the laser 11 to the workpiece clamp 7. The laser light path derived by the optical path transmission unit 12 forms an angle of 3-9° with the processing surface of the workpiece at the workpiece clamp 7.

Specifically, please refer to Figures 1 to 4. The laser processing mechanism 1 includes a laser 11 and an optical path transmission unit 12. The laser 11 is a laser emitting device such as an optical fiber cutting head. The optical path transmission unit 12 is used in conjunction with the laser 11 to focus the laser and adjust the emission direction of the laser. The laser 11 is set at the optical path incident end of the optical path transmission unit 12, and the optical path output end of the optical path transmission unit 12 is toward the workpiece clamp 7. The laser emitted by the laser 11 is emitted to the position of the workpiece through the optical path transmission unit 12. The laser light path derived by the optical path transmission unit 12 forms an angle of 3-9° with the processing surface of the workpiece at the workpiece clamp 7.

In some embodiments, the workpiece shifting mechanism 2 includes a workpiece shifting driver 21 and a shift seat 22, the action end of the workpiece shifting driver 21 is connected to the shift seat 22 and drives the shift seat 22 to move; the laser processing mechanism 1 also includes a laser adjustment driver 13, the action end of the laser adjustment driver 13 is connected to the optical path transmission unit 12 and drives the optical path transmission unit 12 to move, the moving direction of the optical path transmission unit 12 is perpendicular to the moving direction of the shift seat 22, and the second air blowing cooling member 32 is arranged at the action end of the laser adjustment driver 13.

Specifically, the workpiece shift driver 21 is arranged on the frame 5, and its action end is connected to the shift seat 22, and the workpiece shift driver 21 drives the shift seat 22 to move on the frame 5. The workpiece shift driver 21 includes an X-direction shift driver and a Y-direction shift driver, the Y-direction shift driver is arranged at the action end of the X-direction shift driver, and the shift seat 22 is arranged at the action end of the Y-direction shift driver, and the driving direction of the X-direction shift driver is perpendicular to the driving direction of the Y-direction shift driver, and the X-direction shift driver and the Y-direction shift driver cooperate and drive the shift seat 22 to move on the frame 5. The X-direction shift driver and the Y-direction shift driver are cylinders, hydraulic cylinders, electric push rods, linear motor modules, etc.

The laser processing mechanism 1 also includes a laser adjustment driver 13, which is mounted on the frame 5. The action end of the laser adjustment driver 13 is connected to the optical path transmission unit 12. The driving direction of the laser adjustment driver 13 is perpendicular to the moving direction of the shift seat 22, that is, the driving direction of the laser adjustment driver 13 is perpendicular to the driving direction of the X-direction shift driver and the driving direction of the Y-direction shift driver.

More specifically, the driving directions of the X-axis shift driver and the Y-axis shift driver are both along the table surface of the frame 5, generally in the horizontal plane, while the driving direction of the laser adjustment driver 13 is perpendicular to the table surface of the frame 5, generally in the height direction. The laser adjustment driver 13 drives the laser 11 and the optical path transmission unit 12 to adjust the height and adjust the laser emission height. The laser adjustment driver 13 is also a cylinder, a hydraulic cylinder, an electric push rod, a linear motor module, etc.

Please refer to Figures 1, 2 and 4. In some embodiments, the second air blowing cooling member 32 includes second air blowing pipes, and the blowing ends of the second air blowing pipes are distributed outside the laser 11 and are all facing the workpiece clamping position of the workpiece clamping member 7. The first air blowing cooling member 31 includes first air blowing pipes, and the blowing ends of the first air blowing pipes are distributed below the outside of the workpiece clamping member 7 and are all facing the workpiece clamping position.

Specifically, the second air blowing cooling member 32 includes a second air blowing pipe, which is arranged at the action end of the laser adjustment driving member 13. The air blowing ends of the second air blowing pipes are distributed outside the laser 11 and are all oriented toward the workpiece clamping position of the workpiece clamping member 7. Under the guidance of the second air blowing pipes, the second air blowing cooling member 32 blows gas toward the workpiece clamping member 7 and blows air to cool the clamped workpiece. The first air blowing cooling member 31 includes a first air blowing pipe, which is arranged at the shift seat 22. The air blowing ends of the first air blowing pipes are distributed at the lower position outside the workpiece clamping member 7 and are all oriented toward the workpiece clamping position. Under the guidance of the first air blowing pipes, the first air blowing cooling member 31 blows gas toward the workpiece clamping member 7 and blows air to cool the workpiece, the workpiece clamping member 7, and the area below the workpiece clamping member 7.

As a further embodiment, the cooling mechanism 3 further includes an air supply mechanism, which includes an air source device, and the air source device is connected to each first air blowing pipe and each second air blowing pipe.

The air source device is arranged inside the frame 5, and is connected with each first air blowing pipe and each second air blowing pipe, and distributes the gas to each first air blowing pipe and each second air blowing pipe, and each first air blowing pipe and each second air blowing pipe are used to cool the workpiece.

As a further embodiment, the air supply mechanism further includes a filter and an air storage mechanism 33 , the air source device is connected to the air storage mechanism 33 through the filter, and each first air blowing pipe and each second air blowing pipe are connected to the air storage mechanism 33 .

The filter and the gas storage mechanism 33 are arranged in the frame 5. The gas provided by the gas source equipment is filtered by the filter and then temporarily stored in the gas storage mechanism 33. The gas storage mechanism 33 is a container such as a gas tank or a gas bag. The gas storage mechanism 33 is connected to the first air blowing pipe and each second air blowing pipe. The filter filters the gas provided by the gas source equipment to prevent the gas provided by the gas source equipment from containing impurities that affect the laser grinding process.

In a further embodiment, the air supply mechanism also includes an air pressure alarm, the air inlet end of the filter is connected to the air source device, the air outlet end of the filter is connected to the air pressure alarm, and the filter is connected to the air storage mechanism 33 through the air pressure alarm.

The air pressure alarm is installed in the air path of the air supply mechanism. It will sound an alarm when the air pressure in the air path of the air supply system is abnormal. The marginal operator can control the air supply system within a suitable range, which is beneficial to improve the laser grinding processing effect of the workpiece.

In order to prevent the dust removal mechanism 4 from affecting the laser processing of the workpiece by the laser processing mechanism 1, in some embodiments, the upper dust cover 42 and the lower dust cover 41 are provided with processing clearance holes. When the upper dust cover 42 and the lower dust cover 41 are connected to form a covering dust cover, the two processing clearance holes are connected to form a processing clearance groove.

When the upper dust cover 42 and the lower dust cover 41 are butted together to form a covering dust cover, the processing clearance hole of the upper dust cover 42 corresponds to the processing clearance hole of the lower dust cover 41, and the two processing clearance holes just butt together to form a processing clearance groove, which has the same function as the processing clearance hole on the upper dust cover 42 or the lower dust cover 41. The laser emitted by the laser processing mechanism 1 passes through the processing clearance groove and acts on the workpiece located in the covering dust cover. Compared with the processing clearance hole on the upper dust cover 42 or the lower dust cover 41, the notch of the processing clearance groove is larger, and the laser processing mechanism 1 can be adjusted in a larger range relative to the workpiece, which is suitable for more complex process processing of the workpiece.

Please refer to Figures 5 and 6. In some embodiments, the dust removal mechanism 4 also includes an inner cover plate 43, which is buckled in the lower dust cover 41 and detachably matched with the lower dust cover 41. A plurality of mesh holes are provided on the inner cover plate 43. A third machined clearance hole is provided on the inner cover plate 43 at a position corresponding to the workpiece clearance hole. When the upper dust cover 42 is docked with the lower dust cover 41, the third machined clearance hole corresponds to the machined clearance groove.

Specifically, the inner cover plate 43 is arranged in the lower dust cover 41, and the inner cover plate 43 and the lower dust cover 41 are detachably connected by bolts or other connecting elements. The inner cover plate 43 is provided with a plurality of mesh holes, and the inner cover plate 43 and the lower dust cover 41 form a lower space, and the clamping part of the workpiece clamping member 7 extends into the dust cover and places the workpiece in the lower space. In order to enable the laser processing mechanism 1 to process the workpiece in the dust cover, a third processing clearance hole is provided on the inner cover plate 43 at a position corresponding to the workpiece clearance hole, and the third processing clearance hole corresponds to the processing clearance groove, and the laser emitted by the laser processing mechanism 1 passes through the processing clearance groove and the third processing clearance hole and acts on the workpiece.

Under the action of the inner cover plate 43, most of the powder and dust generated by the laser grinding process are in the lower space and finally discharged from the lower dust discharge hole. The inner cover plate 43 can prevent large particles of powder and dust from escaping from the processing clearance groove and covering the dust cover.

As a further embodiment, the dust removal mechanism 4 further includes a dust collector 44, and the lower dust discharge hole is connected to the dust collector and guides the dust into the dust collector.

The powder and dust in the lower space eventually accumulate in the dust collector 44 after leaving the lower dust hood 41 from the lower dust exhaust hole. The dust collector 44 is a hollow container for storing powder and dust. A drawer can be provided in the dust collector 44. The drawer is easy to install and remove, so that personnel can regularly pull out the drawer and clean the powder and dust accumulated in the dust collector 44.

The upper dust removal cover 42 is also provided with an upper dust exhaust hole, and the upper dust exhaust hole is connected to a negative pressure device.

Under the action of the inner cover plate 43, the large-particle heavy powder and dust generated by the laser processing are gathered in the lower space, most of which are accumulated in the dust collector 44 from the lower dust discharge hole, and a small part adheres to the inner cover plate 43. Most of the small-particle light powder and dust generated by the laser processing enter the area above the inner cover plate 43 under the action of the negative pressure device, and are finally discharged along the upper dust discharge hole. The inner cover plate 43 can be disassembled and removed to clean the inner cover plate 43 and remove the powder or dust adhered to the inner cover plate 43.

In some embodiments, a laser grinding machine also includes a loading and unloading device, which is arranged on a frame 5 and includes a manipulator and a material tray. Under program control, the manipulator can transfer the workpiece to be processed on the material tray to the workpiece clamp 7, and can also transfer the workpiece processed by laser on the workpiece clamp 7 to the material tray.

An equipment cover can also be set on the frame 5, and the laser processing mechanism 1, the workpiece shifting mechanism 2, the cooling mechanism 3, the dust removal mechanism 4 and the loading and unloading device are all covered in the equipment cover, and the upper dust exhaust hole is connected to the outside of the equipment cover through a dust exhaust pipe.

In the description of this specification, the description of reference terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims (10)

1. A laser mill, characterized by: the device comprises a laser processing mechanism (1), a workpiece shifting mechanism (2), a cooling mechanism (3) and a dust removing mechanism (4), wherein the workpiece shifting mechanism (2) and the laser processing mechanism (1) are arranged on a frame (5), a rotary driving piece (6) is arranged on a shifting seat (22) of the workpiece shifting mechanism (2), a workpiece clamping piece (7) is arranged on a rotary part of the rotary driving piece (6), the laser emission direction of the laser processing mechanism (1) is inclined relative to the rotary shaft of the rotary driving piece (6), the cooling mechanism (3) comprises a first air blowing cooling piece (31) and a second air blowing cooling piece (32), the first air blowing cooling piece (31) is arranged on the shifting seat (22) and blows from the lower direction of the workpiece clamping piece (7), the second air blowing cooling piece (32) is arranged on the position of the laser processing mechanism (1) and blows to the workpiece clamping piece (7), the dust removing mechanism (4) comprises a lower dust removing cover (41) and an upper dust removing cover (42), the lower dust removing cover (41) is arranged on the shifting seat (22) and is arranged on the lower dust removing cover (41) and is provided with a dust removing hole in the upper dust removing cover (41) and a lower dust removing hole (42) and is formed in the workpiece clamping hole (41) in a covering manner, and processing abdication holes are formed in the upper dust hood (42) and/or the lower dust hood (41).

2. A laser mill according to claim 1, characterized in that: the laser processing mechanism (1) comprises a laser (11) and a light path transmission unit (12), wherein the laser (11) is arranged at the light path incidence end of the light path transmission unit (12), the light path emergence end of the light path transmission unit (12) faces the workpiece clamping piece (7) and guides laser emitted by the laser (11) to the workpiece clamping piece (7), and an included angle of 3-9 degrees is formed between a laser light path led out by the light path transmission unit (12) and a processing surface of a workpiece at the workpiece clamping piece (7).

3. A laser mill according to claim 2, characterized in that: the workpiece shifting mechanism (2) comprises a workpiece shifting driving piece (21) and a shifting seat (22), wherein the action end of the workpiece shifting driving piece (21) is connected with the shifting seat (22) and drives the shifting seat (22) to move;

The laser processing mechanism (1) further comprises a laser adjusting driving piece (13), the action end of the laser adjusting driving piece (13) is connected with the optical path transmission unit (12) and drives the optical path transmission unit (12) to move, the moving direction of the optical path transmission unit (12) is perpendicular to the moving direction of the shifting seat (22), and the second blowing cooling piece (32) is arranged at the action end of the laser adjusting driving piece (13).

4. A laser mill according to claim 3, characterized in that: the second air blowing cooling piece (32) comprises second air blowing pipes, air blowing ends of the second air blowing pipes are distributed outside the laser (11) and face to workpiece clamping positions of the workpiece clamping pieces (7), the first air blowing cooling piece (31) comprises first air blowing pipes, and air blowing ends of the first air blowing pipes are distributed below the outer portions of the workpiece clamping pieces (7) and face to the workpiece clamping positions.

5. A laser mill as claimed in claim 4, wherein: the cooling mechanism (3) further comprises an air supply mechanism, wherein the air supply mechanism comprises an air source device, and the air source device is communicated with each first air blowing pipe and each second air blowing pipe.

6. A laser mill as claimed in claim 5, wherein: the air supply mechanism further comprises a filter and an air storage mechanism (33), the air source equipment is communicated with the air storage mechanism (33) through the filter, and each first air blowing pipe and each second air blowing pipe are communicated with the air storage mechanism (33).

7. A laser mill as claimed in claim 6, wherein: the air supply mechanism further comprises an air pressure alarm, the air inlet end of the filter is communicated with the air source equipment, the air outlet end of the filter is communicated with the air pressure alarm, and the filter is communicated with the air storage mechanism (33) through the air pressure alarm.

8. A laser mill according to claim 3, characterized in that: the upper dust hood (42) and the lower dust hood (41) are provided with processing abdication holes, and when the upper dust hood (42) and the lower dust hood (41) are butted to form a cladding dust hood, the two processing abdication holes are butted to form a processing abdication groove.

9. A laser mill as claimed in claim 8, wherein: the dust removing mechanism (4) further comprises an inner cover plate (43), the inner cover plate (43) is buckled in the lower dust removing cover (41) and is detachably matched with the lower dust removing cover (41), a plurality of meshes are formed in the inner cover plate (43), third machining yielding holes are formed in positions, corresponding to workpiece yielding holes, of the inner cover plate (43), and the third machining yielding holes correspond to machining yielding grooves when the upper dust removing cover is in butt joint with the lower dust removing cover.

10. A laser mill as claimed in claim 9, wherein: the dust removing mechanism (4) also comprises a dust collector (44), and the lower dust discharging hole is communicated with the dust collector and guides dust into the dust collector;

And/or

The upper dust hood (42) is provided with an upper dust discharging hole which is connected with a negative pressure device.