Z-axis air floatation structure based on silicon carbide ceramics

Abstract

The utility model relates to the technical field of three-coordinate measuring machines, in particular to a Z-axis air floatation structure based on silicon carbide ceramics, which comprises a workbench, a track assembly and an air floatation assembly, the track assembly is arranged on the upper side of the workbench, the air floatation assembly is arranged on the outer side of the track assembly, and locking assemblies are arranged on the front side and the rear side of the air floatation assembly. According to the device, through the arrangement of the first locking plate, the second locking plate, the limiting sleeve and the locking shaft, the device can form an annular sliding seat through the first air floating part and the second air floating part, and the first locking plate and the second locking plate are positioned through the limiting sleeve; the locking shaft penetrates through the first locking plate and the second locking plate through the elastic force of the compression spring, the first air floatation part and the second air floatation part can be locked, the air floatation assembly can be rapidly disassembled and assembled, when the air floatation assembly is blocked, a worker can rapidly dredge the air floatation assembly, and the mode is simple, convenient, time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -coordinate measuring machine technical field, concretely is a Z axis air -float structure based on silicon carbide ceramic. BACKGROUND

[0002] The guide rail structure applied to the three -coordinate measuring machine is air -float bearing guide rail structure, this structure makes air -float block and guide rail surface produce certain float interval through certain pressure compressed air, through exerting certain external force to the moving plate, whole air -float mechanism moves on the guide rail surface to realize the smooth movement without friction and shaking, and the Z axis air -float structure of three -coordinate measuring machine can make the object platform move smoothly, guarantee that the measured article can be placed stably.

[0003] The air -float block needs to realize the circulation of compressed air through the air hole, when the air hole of air -float block is blocked, needs to take down the air -float block and dredge, and the air -float block of part Z axis air -float structure based on silicon carbide ceramic of existing whole sets in the guide rail, cannot realize quick assembly and disassembly, when the air -float block is blocked, can only take down the air -float block after taking down the guide rail, this mode is more troublesome, time -consuming and labor -intensive, therefore, aiming at the above -mentioned problem, a Z axis air -float structure based on silicon carbide ceramic is provided. UTILITY MODEL CONTENT

[0004] The utility model discloses a Z axis air -float structure based on silicon carbide ceramic to solve the air -float block of part Z axis air -float structure based on silicon carbide ceramic of existing whole sets in the guide rail, cannot realize quick assembly and disassembly, when the air -float block is blocked, can only take down the air -float block after taking down the guide rail, this mode is more troublesome, time -consuming and labor -intensive.

[0005] To achieve the above -mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of Z-axis air float structure based on silicon carbide ceramic, including workbench, track assembly and air float assembly, the upper side of the workbench is equipped with track assembly, the outer side of the track assembly is equipped with air float assembly, the front and rear sides of the air float assembly are equipped with locking assembly, the upper side of the air float assembly is equipped with object carrying assembly, the upper side of the workbench is equipped with drive assembly;The track assembly includes support end and suspended track, the upper side of the workbench is fixedly connected with two support ends, and the suspended track is fixedly connected between the two support ends, the air float assembly includes first air float part and second air float part, the lower side of the suspended track is equipped with first air float part, the upper side of the suspended track is equipped with second air float part, the front and rear sides of the first air float part are fixedly connected with first locking plate, the front and rear sides of the second air float part are fixedly connected with second locking plate, the upper side of the second air float part is fixedly connected with two support frames, the locking assembly includes limiting sleeve and limiting frame, the upper side of the limiting sleeve is fixedly connected with limiting frame, the second sliding hole in the limiting frame is slidably connected with sliding rod, the upper side of the sliding rod is fixedly connected with adjusting handle, the lower side of the sliding rod is fixedly connected with limiting plate, the upper side of the limiting plate is fixedly connected with a pair of compression springs, the upper side of each pair of compression springs is fixedly connected with limiting frame, the lower side of the limiting plate is fixedly connected with a pair of locking shafts, each pair of locking shafts is slidably connected with limiting sleeve, the object carrying assembly includes object table and first transmission plate, the upper side of the support frame is bolted with object table, the rear side of the object table is fixedly connected with first transmission plate, the drive assembly includes linear motor and second transmission plate, the upper side of the workbench is fixedly connected with linear motor, the output end of the linear motor is fixedly connected with second transmission plate, and the upper side of the second transmission plate is fixedly connected with a plurality of transmission protrusions.

[0007] Preferably, the upper side of the first air float part and the first locking plate is located at the same height, the lower side of the second air float part and the second locking plate is located at the same height, the upper side of the first air float part and the first locking plate is equipped with first sealing rubber layer, and the lower side of the second air float part and the second locking plate is equipped with second sealing rubber layer.

[0008] Preferably, the first sealing rubber layer of the first air float part, the first locking plate and the second sealing rubber layer of the second air float part and the second locking plate are consistent in thickness, the first sealing rubber layer of the first air float part and the second sealing rubber layer of the second air float part are attached, and the first sealing rubber layer of the first locking plate and the second sealing rubber layer of the second locking plate are attached.

[0009] Preferably, the limiting sleeve is rectangular sleeve, the upper side of the limiting sleeve is equipped with two first sliding holes, the limiting frame is "U" shaped frame, and the upper side of the limiting frame is equipped with two second sliding holes.

[0010] Preferably, the adjustment is located on the upper side of the limiting frame, the limiting plate is located on the upper side of the limiting sleeve, the first and second locking plates are located in the limiting sleeve, the first and second locking plates are provided with a pair of locking holes, and the locking shafts pass through the locking holes of the first and second locking plates.

[0011] Preferably, the rear half of the first transmission plate is provided with a plurality of transmission holes, the transmission protrusions pass through the transmission holes of the first transmission plate, and the height of the transmission protrusions is greater than the thickness of the first transmission plate.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the first and second locking plates, the limiting sleeve and the locking shaft are arranged, the device can form a ring-shaped sliding seat through the first and second air floating parts, the first and second locking plates are positioned through the limiting sleeve, the locking shaft passes through the first and second locking plates through the elastic force of the compression spring, the first and second air floating parts can be locked, the device can realize quick disassembly and assembly of the air floating assembly, when the air floating assembly is blocked, the staff can quickly dredge the air floating assembly, and the method is simple, time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the air floating assembly installation structure schematic view of the utility model;

[0016] Figure 3 It is the locking assembly installation structure section view of the utility model;

[0017] Figure 4 It is the limiting plate installation structure schematic view of the utility model;

[0018] Figure 5 It is the locking shaft installation structure schematic view of the utility model;

[0019] Figure 6 It is the objective table installation structure schematic view of the utility model;

[0020] Figure 7 It is the A structure schematic view of the utility model; Figure 3

[0021] Figure 8 It is the B structure section view of the utility model; Figure 6

[0022] ​​In the figure: 1, workbench; 2, track assembly; 21, support end; 22, suspended track; 3, air floatation assembly; 31, first air floatation part; 32, second air floatation part; 33, first locking plate; 34, second locking plate; 35, support frame; 4, locking assembly; 41, limiting sleeve; 42, limiting frame; 43, sliding rod; 44, adjusting handle; 45, limiting plate; 46, compression spring; 47, locking shaft; 5, object loading assembly; 51, object loading platform; 52, first transmission plate; 6, driving assembly; 61, linear motor; 62, second transmission plate; 63, transmission protrusion. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0025] In addition, it should be noted that the use of "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore cannot be understood as a limitation on the protection scope of the present application.

[0026] Please refer to Figures 1-8 The present application provides a technical solution:

[0027] The utility model provides a kind of Z-axis air float structure based on silicon carbide ceramics, including workbench 1, track assembly 2 and air float assembly 3, the upper side of workbench 1 is equipped with track assembly 2, the outside of track assembly 2 is equipped with air float assembly 3, the front and rear sides of air float assembly 3 are equipped with locking assembly 4, the upper side of air float assembly 3 is equipped with object carrying assembly 5, the upper side of workbench 1 is equipped with drive assembly 6;Track assembly 2 includes support end 21 and suspended track 22, the upper side of workbench 1 is fixedly connected with two support ends 21, and the suspended track 22 is fixedly connected between the two support ends 21, air float assembly 3 includes first air float part 31 and second air float part 32, the lower side of suspended track 22 is equipped with first air float part 31, and the upper side of suspended track 22 is equipped with second air float part 32, the front and rear sides of first air float part 31 are fixedly connected with first locking plate 33, the front and rear sides of second air float part 32 are fixedly connected with second locking plate 34, the upper side of second air float part 32 is fixedly connected with two support frames 35, locking assembly 4 includes limiting sleeve 41 and limiting frame 42, the upper side of limiting sleeve 41 is fixedly connected with limiting frame 42, the second sliding hole of limiting frame 42 is slidably connected with sliding rod 43, the upper side of sliding rod 43 is fixedly connected with adjusting handle 44, the lower side of sliding rod 43 is fixedly connected with limiting plate 45, the upper side of limiting plate 45 is fixedly connected with a pair of compression springs 46, the upper side of each pair of compression springs 46 is fixedly connected with limiting frame 42, the lower side of limiting plate 45 is fixedly connected with a pair of locking shafts 47, each pair of locking shafts 47 is slidably connected with limiting sleeve 41, object carrying assembly 5 includes object table 51 and first transmission plate 52, the upper side of support frame 35 is bolted with object table 51, and the rear side of object table 51 is fixedly connected with first transmission plate 52, drive assembly 6 includes linear motor 61 and second transmission plate 62, the upper side of workbench 1 is fixedly connected with linear motor 61, and the output end of linear motor 61 is fixedly connected with second transmission plate 62, and the upper side of second transmission plate 62 is fixedly connected with a plurality of transmission protrusions 63.

[0028] The upper side of the first air floating part 31 and the first locking plate 33 are at the same height, the lower side of the second air floating part 32 and the second locking plate 34 are at the same height, the upper side of the first air floating part 31 and the first locking plate 33 are provided with the first sealing rubber layer, the lower side of the second air floating part 32 and the second locking plate 34 are provided with the second sealing rubber layer, the first sealing rubber layer of the first air floating part 31 and the first locking plate 33 and the second sealing rubber layer of the second air floating part 32 and the second locking plate 34 are consistent in thickness, the first sealing rubber layer of the first air floating part 31 and the second sealing rubber layer of the second air floating part 32 are attached, the first sealing rubber layer of the first locking plate 33 and the second sealing rubber layer of the second locking plate 34 are attached, the first sealing rubber layer of the first air floating part 31 and the first locking plate 33 and the second sealing rubber layer of the second air floating part 32 and the second locking plate 34 can ensure the sealing of the first air floating part 31 and the second air floating part 32; The limiting sleeve 41 is a rectangular sleeve, the upper side of the limiting sleeve 41 is provided with two first sliding holes, the limiting frame 42 is a "U" shaped frame, the upper side of the limiting frame 42 is provided with two second sliding holes, the second sliding holes of the limiting frame 42 can make the sliding rod 43 stably slide up and down; The adjusting handle 44 is located on the upper side of the limiting frame 42, the limiting plate 45 is located on the upper side of the limiting sleeve 41, the first locking plate 33 and the second locking plate 34 are located in the limiting sleeve 41, the first locking plate 33 and the second locking plate 34 are provided with a pair of locking holes, the locking shaft 47 passes through the locking holes of the first locking plate 33 and the second locking plate 34, the locking shaft 47 passes through the first locking plate 33 and the second locking plate 34 through the elastic force of the compression spring 46, that is, the first air floating part 31 and the second air floating part 32 can be locked; The rear half of the first transmission plate 52 is provided with a plurality of transmission holes, the transmission protrusions 63 pass through the transmission holes of the first transmission plate 52, the height of the transmission protrusions 63 is greater than the thickness of the first transmission plate 52, the transmission protrusions 63 can limit the first transmission plate 52 in the floating state or non-floating state of the first air floating part 31 and the second air floating part 32, so that the first transmission plate 52 stably moves left and right.

[0029] Workflow: before use, connect the power supply, the air float assembly 3 of the device is matched with the gas conveying device, the device is equipped with an external controller, the external controller of the device is electrically connected with the gas conveying device and the linear motor 61 of the air float assembly 3 respectively, manual operation of the external controller can adjust the running state of the gas conveying device and the linear motor 61 of the air float assembly 3 respectively, all of the above are prior art; when using the device, the gas conveying device of the air float assembly 3 can be started through the external controller, compressed air can be input to the first air float part 31 and the second air float part 32 through the gas conveying device, so that the annular sliding seat composed of the first air float part 31 and the second air float part 32 can float, the linear motor 61 can be started through the external controller, the output end of the linear motor 61 can slide left and right, the second transmission plate 62 can be driven to slide left and right through the linear motor 61, and then the first transmission plate 52 can be driven to move synchronously through the transmission protrusion 63, so that the object table 51 and the air float assembly 3 and the locking assembly 4 can move synchronously, because the first air float part 31 and the second air float part 32 are neither in contact with the workbench 1 nor in contact with the suspended track 22 fixed by the supported end 21, the air float assembly 3 and the object assembly 5 can realize smooth movement without friction and shaking, the first air float part 31 and the second air float part 32 are made of silicon carbide ceramic material, which has high hardness, high melting point, high wear resistance and high temperature resistance, and has long service life, when the air hole of the air float assembly 3 is blocked, the worker can close the gas conveying device and the linear motor 61 of the air float assembly 3, remove the object table 51, then pull the adjusting handle 44 on the upper side of the limiting frame 42 upwards, drive the sliding rod 43, the limiting plate 45 and the locking shaft 47 to move upwards, at the same time, compress the compression spring 46, the locking shaft 47 can be separated from the locking hole of the first locking plate 33 and the second locking plate 34, the worker can remove the limiting sleeve 41, and the locking of the first air float part 31 and the second air float part 32 can be released, the worker can remove the first air float part 31 and the second air float part 32 from the suspended track 22 respectively, and can dredge the first air float part 31 and the second air float part 32, after dredging, the first air float part 31 and the second air float part 32 can be reinstalled, the first air float part 31 and the second air float part 32 can be sealed through the first sealing rubber layer of the first air float part 31 and the first locking plate 33 and the second sealing rubber layer of the second air float part 32 and the second locking plate 34, so that the air float assembly 3 can be used normally and stably; the device can form an annular sliding seat through the first air float part 31 and the second air float part 32, position the first locking plate 33 and the second locking plate 34 through the limiting sleeve 41, and make the locking shaft 47 pass through the first locking plate 33 and the second locking plate 34 through the elastic force of the compression spring 46, so that the first air float part 31 and the second air float part 32 can be locked, the device can realize quick disassembly and assembly of the air float assembly 3, when the air float assembly 3 is blocked, the worker can quickly dredge the air float assembly 3, which is simple and saves time and effort.

[0030] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A Z-axis air-bearing structure based on silicon carbide ceramics, comprising a worktable (1), a track assembly (2), and an air-bearing assembly (3), characterized in that: The workbench (1) has a track assembly (2) on its upper side, an air buoyancy assembly (3) on its outer side, a locking assembly (4) on both the front and rear sides of the air buoyancy assembly (3), a loading assembly (5) on its upper side, and a driving assembly (6) on its upper side. The track assembly (2) includes a support end (21) and a suspended track (22). Two support ends (21) are fixedly connected to the upper side of the workbench (1), and a suspended track (22) is fixedly connected between the two support ends (21). The air buoyancy assembly (3) The system includes a first air buoyancy section (31) and a second air buoyancy section (32). The first air buoyancy section (31) is located on the lower side of the suspended track (22), and the second air buoyancy section (32) is located on the upper side of the suspended track (22). A first locking plate (33) is fixedly connected to both the front and rear sides of the first air buoyancy section (31), and a second locking plate (34) is fixedly connected to both the front and rear sides of the second air buoyancy section (32). Two support frames (35) are fixedly connected to the upper side of the second air buoyancy section (32). The locking assembly (4) includes a limiting sleeve (41) and a limiting frame (42). The limiting sleeve (41) has... Each of the upper sides is fixedly connected to a limiting frame (42). A sliding rod (43) is slidably connected within the second sliding hole of each limiting frame (42). An adjusting handle (44) is fixedly connected to the upper side of each sliding rod (43). A limiting plate (45) is fixedly connected to the lower side of each sliding rod (43). A pair of compression springs (46) are fixedly connected to the upper side of each limiting plate (45). The upper side of each pair of compression springs (46) is fixedly connected to the limiting frame (42). A pair of locking shafts (47) are fixedly connected to the lower side of each limiting plate (45). Each pair of locking shafts (47) is fixedly connected to a limiting sleeve (44). 1) Sliding connection, the loading assembly (5) includes a loading platform (51) and a first transmission plate (52), the upper side of the support frame (35) is bolted to the loading platform (51), the rear side of the loading platform (51) is fixedly connected to the first transmission plate (52), the driving assembly (6) includes a linear motor (61) and a second transmission plate (62), the upper side of the worktable (1) is fixedly connected to the linear motor (61), the output end of the linear motor (61) is fixedly connected to the second transmission plate (62), and the upper side of the second transmission plate (62) is fixedly connected to a plurality of transmission protrusions (63).

2. The Z-axis air-floating structure based on silicon carbide ceramic according to claim 1, characterized in that: The upper sides of the first air-float part (31) and the first locking plate (33) are at the same height, and the lower sides of the second air-float part (32) and the second locking plate (34) are at the same height. The upper sides of the first air-float part (31) and the first locking plate (33) are provided with a first sealing rubber layer, and the lower sides of the second air-float part (32) and the second locking plate (34) are provided with a second sealing rubber layer.

3. The Z-axis air-floating structure based on silicon carbide ceramic according to claim 1, characterized in that: The first sealing rubber layer of the first air flotation part (31) and the first locking plate (33) have the same thickness as the second sealing rubber layer of the second air flotation part (32) and the second locking plate (34). The first sealing rubber layer of the first air flotation part (31) and the second sealing rubber layer of the second air flotation part (32) are attached together, and the first sealing rubber layer of the first locking plate (33) and the second sealing rubber layer of the second locking plate (34) are attached together.

4. The Z-axis air-floating structure based on silicon carbide ceramic according to claim 1, characterized in that: The limiting sleeve (41) is a rectangular sleeve, and the upper side of the limiting sleeve (41) is provided with two first sliding holes. The limiting frame (42) is a "U" shaped frame, and the upper side of the limiting frame (42) is provided with two second sliding holes.

5. The Z-axis air-floating structure based on silicon carbide ceramic according to claim 1, characterized in that: The adjustment handles (44) are all located on the upper side of the limiting frame (42), the limiting plates (45) are all located on the upper side of the limiting sleeve (41), the first locking plate (33) and the second locking plate (34) are all located inside the limiting sleeve (41), the first locking plate (33) and the second locking plate (34) are each provided with a pair of locking holes, and the locking shaft (47) passes through the locking holes of the first locking plate (33) and the second locking plate (34).

6. The Z-axis air-floating structure based on silicon carbide ceramic according to claim 1, characterized in that: The rear half of the first transmission plate (52) is provided with multiple transmission holes, and the transmission protrusions (63) all pass through the transmission holes of the first transmission plate (52). The height of the transmission protrusions (63) is greater than the thickness of the first transmission plate (52).

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