Machining platform and laser machining equipment

Abstract

The utility model discloses a machining platform and laser machining equipment, the machining platform comprises a base, an adsorption platform, a linear motor driving mechanism and a grating ruler, the linear motor driving mechanism comprises a first driving assembly and a second driving assembly, the first driving assembly is arranged on the base, and the first driving assembly is connected with the second driving assembly; the adsorption platform is connected to the second driving assembly, the first driving assembly is used for driving the adsorption platform and the second driving assembly to move in the first direction, the second driving assembly is used for driving the adsorption platform to move in the second direction, the grating ruler is arranged on the base, and the length of the grating ruler extends in the moving direction of the adsorption platform. The grating ruler is used for detecting the moving distance of the adsorption platform. The linear motor is used for driving, transmission gaps are avoided to the maximum extent, errors caused by an intermediate mechanical transmission system are greatly reduced, the grating ruler is arranged, the feedback precision of a single-shaft system is improved, and therefore the machining quality of products is improved.

Description

Technical Field

[0001] The present application relates to the field of laser drilling processing equipment, and in particular to a processing platform and processing equipment. Background Art

[0002] With the widespread application of laser drilling in the electronic circuit board industry, product processing faces the requirements of high efficiency and high precision.

[0003] In the prior art, the processing platform of the laser drilling machine is driven by a screw, but the screw drive has problems such as low efficiency, low acceleration, transmission gap, complex assembly and easy wear of the screw, which affects the accuracy of the processed products, reduces the quality of the products and the processing efficiency of the processing equipment. Utility Model Content

[0004] In order to overcome the problems existing in the above-mentioned prior art, the main purpose of the present application is to provide a processing platform and processing equipment that can ensure processing accuracy and processing efficiency.

[0005] In order to achieve the above objectives, this application specifically adopts the following technical solutions:

[0006] A processing platform, comprising:

[0007] Pedestal;

[0008] Adsorption platform;

[0009] A linear motor drive mechanism, the linear motor drive mechanism comprising a first drive assembly and a second drive assembly, the first drive assembly is disposed on the base, and the first drive assembly is connected to the second drive assembly, the adsorption platform is connected to the second drive assembly, the first drive assembly is used to drive the adsorption platform and the second drive assembly to move respectively along a first direction, and the second drive assembly is used to drive the adsorption platform to move along a second direction perpendicular to the first direction;

[0010] A grating ruler is arranged on the base, and the length of the grating ruler extends along the moving direction of the adsorption platform, and the grating ruler is used to detect the moving distance of the adsorption platform.

[0011] In some embodiments, the processing platform further includes a support plate, the support plate is slidably connected to the base, the adsorption platform is slidably connected to the support plate, the first drive assembly is connected to the support plate, and the second drive assembly is disposed on the support plate;

[0012] The grating scale includes a first grating scale and a second grating scale. The first grating scale is arranged on the base, and the length of the first grating scale extends along the first direction. The second grating scale is arranged on the support plate, and the length of the second grating scale extends along the second direction.

[0013] In some embodiments, the first drive component includes a first motor stator and a first motor mover, the second drive component includes a second motor stator and a second motor mover, the first motor stator is arranged on the base, the first motor mover is arranged on the support plate and connected to the first motor stator, the second motor stator is arranged on the support plate, and the second motor mover is arranged on the adsorption platform and connected to the second motor stator.

[0014] In some embodiments, the first drive assembly further includes a first limit member, and the second drive assembly further includes a second limit member, the first limit member is disposed on the base and located at the end of the first motor stator, and the second limit member is disposed on the support plate and located at the end of the second motor stator.

[0015] In some embodiments, the processing platform also includes a first guide mechanism and a second guide mechanism, the first guide mechanism includes a first guide rail and a first slider, the second guide mechanism includes a second guide rail and a second slider, the first guide rail is arranged on the base, the support plate is slidably connected to the first guide rail through the first slider, the second guide rail is arranged on the support plate, and the adsorption platform is slidably connected to the second guide rail through the second slider.

[0016] In some embodiments, the processing platform further includes a plurality of connection blocks, and the plurality of connection blocks are respectively connected to the bottom of the adsorption platform. A plurality of second sliders are provided, and each of the connection blocks is respectively slidably connected to each of the second sliders.

[0017] In some embodiments, a plurality of the first guide rails are provided, and at least two of the first guide rails are respectively provided on both sides of the first motor stator.

[0018] In some embodiments, the processing platform further includes a drag chain box, which is disposed on the base and is used to place the drag chain.

[0019] In some embodiments, the processing platform further includes an adsorption mechanism, the adsorption platform is provided with a containing cavity, the adsorption mechanism is communicated with the containing cavity, and the adsorption mechanism is used to generate negative pressure in the containing cavity.

[0020] A laser processing device comprises a processing device and any one of the processing platforms described above, wherein the processing device is used to process a plate placed on the processing platform.

[0021] The present application discloses a processing platform, which includes a base, an adsorption platform, a linear motor drive mechanism and a grating ruler. The linear motor drive mechanism includes a first drive component and a second drive component. The first drive component is arranged on the base, and the first drive component is connected to the second drive component. The adsorption platform is connected to the second drive component. The first drive component is used to drive the adsorption platform and the second drive component to move in a first direction respectively. The second drive component is used to drive the adsorption platform to move in a second direction perpendicular to the first direction. The grating ruler is arranged on the base, and the length of the grating ruler extends along the moving direction of the adsorption platform. The grating ruler is used to detect the moving distance of the adsorption platform. In this embodiment, the adsorption platform is driven to move by a linear motor drive mechanism. The motor of the linear motor drive mechanism is directly rigidly connected to the driven part, and no intermediate transmission components such as screw rods, gears, and reducers are required, so that the transmission gap is avoided to the greatest extent, the error caused by the intermediate mechanical transmission system is greatly reduced, the transmission accuracy is improved, and the product quality is improved. In addition, the present application is provided with a grating ruler, and the displacement of the adsorption platform is measured by the grating ruler, which improves the feedback accuracy of the single-axis system, thereby improving the processing quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of the processing platform provided in the embodiment of the present application from an axial perspective;

[0023] Figure 2 A schematic diagram of the structure of a processing platform provided in an embodiment of the present application from the front view;

[0024] Figure 3 A schematic diagram of the structure of a support plate of a processing platform provided in an embodiment of the present application from a top view;

[0025] Figure 4 A schematic diagram of the structure of the adsorption platform of the processing platform provided in an embodiment of the present application when viewed from above;

[0026] Figure 5 A schematic diagram of the structure of a support plate of a processing platform provided in an embodiment of the present application when viewed from above;

[0027] Figure 6 A schematic diagram of the structure of a first guide mechanism of a processing platform provided in an embodiment of the present application from a top view.

[0028] Reference numerals:

[0029] 1. Base; 101. Protrusion; 2. Adsorption platform; 3. Linear motor drive mechanism; 31. First drive assembly; 310. First motor stator; 311. First motor mover; 312. First limiter; 32. Second drive assembly; 320. Second motor stator; 321. Second motor mover; 4. Grating ruler; 41. First grating ruler; 5. Support plate; 6. First guide mechanism; 61. First guide rail; 62. First slider; 7. Second guide mechanism; 71. Second guide rail; 72. Second slider; 8. Dust cover; 9. Drag chain box; 10. Connecting block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0031] In the description of this application, unless otherwise clearly specified and limited, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance; unless otherwise specified or explained, the term "multiple" refers to two or more, and the term "multiple" refers to two or more; the terms "connected", "fixed", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, an integral connection, or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In the description of this specification, it should be understood that the directional words such as "upper" and "lower" described in the embodiments of the present application are described at the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should also be understood that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to another element "upper" or "lower", but also indirectly connected to another element "upper" or "lower" through an intermediate element.

[0033] Reference Figure 1 , Figure 2 and Figure 3 As shown, Figure 1 This is a schematic diagram of the structure of the processing platform provided in the embodiment of the present application from an axial perspective. Figure 2 This is a schematic structural diagram of a processing platform provided in an embodiment of the present application from a front view. Figure 3A schematic diagram of the structure of a support plate of a processing platform provided in an embodiment of the present application from a top view. This embodiment discloses a processing platform, which includes a base 1, an adsorption platform 2, a linear motor drive mechanism 3 and a grating ruler 4, wherein the linear motor drive mechanism 3 includes a first drive component 31 and a second drive component 32, wherein the first drive component 31 is disposed on the base 1, the second drive component 32 is connected to the first drive component 31, and the adsorption platform 2 is connected to the second drive component 32, wherein the first drive component 31 is used to drive the adsorption platform 2 and the second drive component 32 to move respectively in a first direction, and the second drive component 32 is used to drive the adsorption platform 2 to move in a second direction. The grating ruler 4 includes a first grating ruler 41 and a second grating ruler (not shown in the figure). The first grating ruler 41 is arranged on the base 1, and the length of the first grating ruler 41 extends along the length extension direction of the base 1. The first grating ruler 41 is used to measure the displacement of the adsorption platform 2 in the first direction. The second grating ruler is connected to the second driving component 32, and the length of the second grating ruler extends along the width extension direction of the base 1. The second grating ruler is used to measure the displacement of the adsorption platform 2 in the second direction. This embodiment ensures the authenticity and accuracy of the precision measurement through the first grating ruler 41 and the second grating ruler, improves the feedback accuracy of the single-axis system, and thus improves the processing accuracy. Among them, the first direction is Figure 1 The X direction is the length extension direction of the base 1, and the second direction is Figure 1 The Y direction is the width extension direction of the base 1, and the third direction is Figure 1 The Z direction is the height extension direction of the base 1.

[0034] In this embodiment, the first driving assembly 31 and the second driving assembly 32 are arranged in a stacked manner, which has a compact structure, reduces the space occupied when installing the processing platform, and thus reduces the cost.

[0035] In this embodiment, the processing platform also includes an adsorption mechanism, which includes a vacuum generator and a connecting pipe. The adsorption platform 2 is provided with a accommodating cavity. The vacuum generator is connected to the accommodating cavity through the connecting pipe. The vacuum generator is used to generate negative pressure in the accommodating cavity, so that the adsorption platform 2 can adsorb the plate, so that the plate can be fixed without additional customized tooling and fixtures, thereby reducing costs. It can be understood that in other embodiments, the adsorption platform 2 can also fix the plate by a fixing fixture.

[0036] In this embodiment, the base 1 is made of marble, which has the characteristics of high planar accuracy, high hardness and strong wear resistance, thereby ensuring that the base 1 has good planar assembly accuracy, small vibration and not easy to deform, thereby ensuring the stability and accuracy of the processing platform when the linear motor drive mechanism 3 drives the processing platform to move, thereby improving the processing quality of the product.

[0037] In this embodiment, the adsorption platform 2 is driven to move by a linear motor drive mechanism 3. A rigid connection is directly adopted between the motor of the linear motor drive mechanism 3 and the driven part. No intermediate transmission components such as screw rods, gears, and reducers are required, so that transmission gaps are avoided to the greatest extent, the errors caused by the intermediate mechanical transmission system are greatly reduced, and the transmission accuracy is improved. In addition, this embodiment is further provided with a grating ruler 4, which is used to measure the displacement of the adsorption platform 2, thereby improving the feedback accuracy of the single-axis system and thus improving the processing quality of the product.

[0038] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, Figure 4 This is a schematic diagram of the structure of the adsorption platform of the processing platform provided in the embodiment of the present application when viewed from above. Figure 5 A schematic diagram of the structure of the support plate of the processing platform provided in the embodiment of the present application when viewed from above. The processing platform also includes a support plate 5, a first drive assembly 31 includes a first motor stator 310 and a first motor mover 311, a second drive assembly 32 includes a second motor stator 320 and a second motor mover 321, the first motor stator 310 is arranged on the base 1, the first motor mover 311 is arranged on the side of the support plate 5 facing the base 1 and is magnetically connected to the first motor stator 310, and there is a certain gap between the first motor mover 311 and the first motor stator 310, thereby eliminating the contact friction resistance between the first motor mover 311 and the first motor stator 310, greatly improving the sensitivity of the processing platform, and thus improving the quality of the product. The support plate 5 is slidably connected to the base 1, the second motor stator 320 is arranged on the side of the support plate 5 facing away from the base 1, and the second motor mover 321 is arranged on the side of the adsorption platform 2 facing the support plate 5 and is magnetically connected to the second motor stator 320, so that there is a certain gap between the second motor mover 321 and the second motor stator 320, thereby eliminating the contact friction resistance between the second motor mover 321 and the second motor stator 320, greatly improving the sensitivity of the processing platform, and thus improving the quality of the product. The adsorption platform 2 is slidably connected to the support plate 5.

[0039] In this embodiment, the first drive component 31 also includes a first limit member 312, and the second drive component 32 also includes a second limit member. The first limit member 312 is arranged on the base 1 and is located at the end of the first motor stator 310. The first limit member 312 is used to limit the first motor mover 311 to prevent the first motor mover 311 from moving overshoot and damaging the processing platform. The second limit member is arranged on the support plate 5 and is located at the end of the second motor stator 320. The second limit member is used to limit the second motor mover 321 to prevent the second motor mover 321 from moving overshoot and damaging the processing platform.

[0040] In this embodiment, the support plate 5 is configured as a hollow structure, which reduces the weight of the support plate 5, thereby reducing the load of the first driving assembly 31 and improving the operating accuracy of the processing platform.

[0041] In some embodiments, the support plate 5 is made of aluminum casting process. The aluminum alloy has high strength and corrosion resistance, which improves the strength of the support plate 5. The aluminum casting process can reduce the thermal deformation of the support plate 5 and form a surface with extremely high smoothness, thereby ensuring the stability and accuracy of the linear motor drive.

[0042] Reference Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, Figure 6 A schematic diagram of the structure of the first guide mechanism of the processing platform provided in the embodiment of the present application from a top view. The processing platform also includes a first guide mechanism 6 and a second guide mechanism 7. The first guide mechanism 6 includes a first guide rail 61 and a first slider 62. The second guide mechanism 7 includes a second guide rail 71 and a second slider 72. The first guide rail 61 is arranged on the base 1. The support plate 5 is slidably connected to the first guide rail 61 through the first slider 62. The first guide rail 61 is used to guide the movement of the support plate 5 and support the support plate 5 in the third direction. The second guide rail 71 is arranged on the support plate 5. The adsorption platform 2 is slidably connected to the second guide rail 71 through the second slider 72. The second guide rail 71 is used to guide the movement of the adsorption platform 2 and support the adsorption platform 2 in the third direction.

[0043] In this embodiment, the processing platform also includes a plurality of connecting blocks 10, and the plurality of connecting blocks 10 are respectively connected to the bottom of the adsorption platform 2. A plurality of second sliders 72 are provided, and each connecting block 10 is respectively slidably connected to each second slider 72. This embodiment can make the adsorption platform 2 flat by cutting the connecting blocks 10, thereby improving the flatness of the adsorption platform 2 and further improving the processing accuracy.

[0044] In this embodiment, four first guide rails 61 are provided, and two first guide rails 61 are provided on both sides of the first motor stator 310, respectively, which improves the stability of the movement of the support plate 5. It can be understood that in other embodiments, one, three or more first guide rails 61 may be provided on both sides of the first motor stator 310, respectively.

[0045] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the processing platform further includes a dust cover 8 and a drag chain box 9. The dust cover 8 is provided on the first guide rail 61 and the second guide rail 71, and one end of the dust cover 8 is connected to the base 1, and the other end of the dust cover 8 is connected to the support plate 5. When the first driving assembly 31 drives the support plate 5 to move, the dust cover 8 can be switched between the folded state and the unfolded state with the movement of the support plate 5. The drag chain box 9 is provided on the base 1, and the drag chain box 9 is used to place the drag chain. The drag chain is used to pull and protect the cables, oil pipes, air pipes, water pipes, etc. of the processing platform, so as to prevent the cables of the processing platform from being damaged and damaging the processing platform, and improve the compactness of the processing platform and reduce the cost.

[0046] In this embodiment, a protrusion 101 is provided in the middle of the base 1, and the drag chain box 9 is arranged on the protrusion 101 to prevent the adsorption platform 2 from being lower than the drag chain box 9, thereby preventing resistance from being generated when the drag chain moves, causing wear of the drag chain and affecting work efficiency.

[0047] It should be noted that the dust cover 8 in each of the drawings is in an unconnected state to facilitate the display of the structure of the linear motor drive mechanism 3 .

[0048] Based on this embodiment, a processing equipment is also disclosed, which includes a processing device (the processing device can be, for example, a laser drilling machine) and a processing platform of any of the above items, and the processing device is used to process a plate placed on the processing platform (the plate can be, for example, a linear circuit board).

[0049] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A processing platform, characterized in that: include: Pedestal; Adsorption platform; A linear motor drive mechanism, the linear motor drive mechanism comprising a first drive assembly and a second drive assembly, the first drive assembly is disposed on the base, and the first drive assembly is connected to the second drive assembly, the adsorption platform is connected to the second drive assembly, the first drive assembly is used to drive the adsorption platform and the second drive assembly to move respectively along a first direction, and the second drive assembly is used to drive the adsorption platform to move along a second direction perpendicular to the first direction; A grating ruler is arranged on the base, and the length of the grating ruler extends along the moving direction of the adsorption platform, and the grating ruler is used to detect the moving distance of the adsorption platform.

2. The processing platform according to claim 1, characterized in that: The processing platform further includes a support plate, the support plate is slidably connected to the base, the adsorption platform is slidably connected to the support plate, the first drive assembly is connected to the support plate, and the second drive assembly is disposed on the support plate; The grating scale includes a first grating scale and a second grating scale. The first grating scale is arranged on the base, and the length of the first grating scale extends along the first direction. The second grating scale is arranged on the support plate, and the length of the second grating scale extends along the second direction.

3. The processing platform according to claim 2, characterized in that: The first drive assembly includes a first motor stator and a first motor mover, and the second drive assembly includes a second motor stator and a second motor mover, the first motor stator is arranged on the base, the first motor mover is arranged on the support plate and connected to the first motor stator, the second motor stator is arranged on the support plate, and the second motor mover is arranged on the adsorption platform and connected to the second motor stator.

4. The processing platform according to claim 3, characterized in that: The first drive assembly further includes a first limiter, and the second drive assembly further includes a second limiter. The first limiter is arranged on the base and located at the end of the first motor stator, and the second limiter is arranged on the support plate and located at the end of the second motor stator.

5. The processing platform according to claim 4, characterized in that: The processing platform also includes a first guide mechanism and a second guide mechanism, the first guide mechanism includes a first guide rail and a first slider, the second guide mechanism includes a second guide rail and a second slider, the first guide rail is arranged on the base, the support plate is slidably connected to the first guide rail through the first slider, the second guide rail is arranged on the support plate, and the adsorption platform is slidably connected to the second guide rail through the second slider.

6. The processing platform according to claim 5, characterized in that: The processing platform further comprises a plurality of connection blocks, wherein the plurality of connection blocks are respectively connected to the bottom of the adsorption platform, and a plurality of second sliding blocks are provided, wherein each of the connection blocks is respectively slidably connected to each of the second sliding blocks.

7. The processing platform according to claim 6, characterized in that: There are a plurality of the first guide rails, and at least two of the first guide rails are respectively disposed on both sides of the first motor stator.

8. The processing platform according to claim 1, characterized in that: The processing platform also includes a drag chain box, which is arranged on the base and is used to place the drag chain.

9. The processing platform according to any one of claims 1 to 8, characterized in that: The processing platform further comprises an adsorption mechanism. The adsorption platform is provided with a containing cavity. The adsorption mechanism is communicated with the containing cavity. The adsorption mechanism is used to generate negative pressure in the containing cavity.

10. A laser processing device, characterized in that: It comprises a processing device and a processing platform as claimed in any one of claims 1 to 9, wherein the processing device is used to process a plate placed on the processing platform.

Images