CN112959137B - Special clamp for mounting high-speed camera of ultra-precision machine tool - Google Patents
Special clamp for mounting high-speed camera of ultra-precision machine tool Download PDFInfo
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- CN112959137B CN112959137B CN202110330207.5A CN202110330207A CN112959137B CN 112959137 B CN112959137 B CN 112959137B CN 202110330207 A CN202110330207 A CN 202110330207A CN 112959137 B CN112959137 B CN 112959137B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2409—Arrangements for indirect observation of the working space using image recording means, e.g. a camera
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Abstract
The invention provides a special fixture for dynamically monitoring high-speed camera installation in a high-speed machining process of an ultra-precision machine tool, which comprises a fixture lower vertical plate, wherein the fixture lower vertical plate is connected with a fixture upper vertical plate in a sliding mode, the top end of the fixture upper vertical plate is rotatably connected with a fixture upper top plate, a self-locking hinge assembly is arranged between the fixture upper vertical plate and the fixture upper top plate, the fixture upper top plate is fixedly connected with a three-degree-of-freedom micro-displacement platform, the bottom surface of the three-degree-of-freedom micro-displacement platform is fixedly connected with a high-speed camera fixing frame, and one end, far away from the fixture upper vertical plate, of the fixture lower vertical plate is vertically provided with a fixture bottom plate. Compared with the prior art, the high-speed camera lens has the advantages that micro-motion adjustment in all directions and rough-fine combined adjustment in the vertical direction of the high-speed camera lens are achieved, meanwhile, the high-speed camera lens rotates from 0 degree to 360 degrees, the self-locking function of a plurality of angles at intervals is achieved, the characteristics of multiple adjustment angles, wide adjustment range, high adjustment precision and the like are achieved, and the high-speed camera lens is suitable for shooting requirements of dynamic monitoring of the machining process of ultra-precision machine tools with different layout characteristics.
Description
Technical Field
The invention relates to the technical field of ultra-precision machining, in particular to a special clamp for mounting a high-speed camera of an ultra-precision machine tool.
Background
The ultra-precise diamond turning machine tool has extremely high motion precision, can realize the cutting depth of a plurality of microns or even submicron, has extremely high processing precision and extremely low subsurface damage, and is an important means for preparing the ultra-smooth surface of various materials. Due to the fact that the cutting depth is in the micrometer level, the rotating speed of a workpiece is 3000 r/min, the phenomena of material removal, chip formation and the like in the turning process are difficult to capture by naked eyes, a plurality of relevant theoretical models cannot be verified, and the improvement of the ultra-precision diamond turning precision is limited. With the continuous upgrade of optical imaging original parts and the improvement of image processing technology, high-speed cameras have come to work, and the characteristics of high amplification factor and high shooting frame frequency can be applied to the real-time monitoring of the metal ultra-precision turning process. The high-speed camera is a general product and is not provided with a mounting structure connected with the ultraprecise processing machine tool, so that the connection between the high-speed camera and the machine tool needs a special clamp to realize.
Because the structures of different machine tools are different and key positions needing to be shot are different, the placing modes of the high-speed cameras are different, if the machine tool with the horizontally-arranged main shaft generally needs to be shot vertically by the high-speed cameras, and the machine tool with the vertically-arranged main shaft needs to be shot horizontally by the high-speed cameras, a plurality of sets of clamps are used, and the machine tool is very inconvenient. In addition, the adjustable focal length range and the magnification of the high-speed camera are limited, and the angles required to be acquired in specific shooting are various, so that the matched clamp has a multi-direction adjusting function and coarse and fine adjusting functions of key freedom degrees. Therefore, there is a need for a special fixture for mounting a high-speed camera on a metal ultra-precision machine tool, which can be used for mounting a high-speed camera on different machine tools and has multiple degrees of freedom adjustment and coarse and fine adjustment of key degrees of freedom.
Disclosure of Invention
The invention aims to provide a special clamp for mounting a high-speed camera of an ultra-precision machine tool, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a special fixture for mounting a high-speed camera of an ultra-precision machine tool, which comprises a fixture lower vertical plate, wherein the top surface of the fixture lower vertical plate is longitudinally provided with a sliding groove, and a fixture upper vertical plate is connected in the sliding groove in a sliding manner;
the top end of the clamp upper vertical plate is rotatably connected with a clamp upper top plate, and a self-locking hinge assembly is arranged between the clamp upper vertical plate and the clamp upper top plate;
the end face of one side of the upper top plate of the clamp is fixedly connected with a three-degree-of-freedom micro-displacement platform, and a high-speed camera fixing frame is fixed on the bottom surface of the three-degree-of-freedom micro-displacement platform;
and a clamp bottom plate is vertically arranged at one end of the clamp lower vertical plate, which is far away from the clamp upper vertical plate.
Preferably, outer guide rails are respectively fixed on two side walls of the sliding chute, and the outer guide rails on two sides are arranged in parallel; inner guide rails are fixed on two side edges of the fixture upper vertical plate respectively, the inner guide rails are arranged corresponding to the outer guide rails, and the inner guide rails are connected with the outer guide rails in a sliding mode.
Preferably, a self-locking device is arranged between the inner guide rail and the outer guide rail, and the sliding stroke of the inner guide rail is 400mm-500 mm.
Preferably, the self-locking hinge assembly comprises a rotating shaft, the rotating shaft is sleeved with two multi-hole buckles and two double-hole buckles, the two multi-hole buckles are located between the two double-hole buckles, the double-hole buckles are fixedly connected with the rotating shaft, the multi-hole buckles are rotatably connected with the rotating shaft, the double-hole buckles are fixedly connected with the upper vertical plate of the fixture, the multi-hole buckles are fixedly connected with the upper top plate of the fixture, nuts are respectively in threaded connection with two ends of the rotating shaft, the nuts are located on the outer sides of the double-hole buckles, and clamping locks are sleeved between the nuts and the double-hole buckles.
Preferably, the double-hole buckle is provided with two positioning holes in a penetrating manner, the two positioning holes are symmetrically distributed relative to the rotating shaft, the multi-hole buckle is provided with a plurality of locking holes at equal intervals in the circumferential direction by taking the rotating shaft as a circle center, and any two opposite locking holes are arranged opposite to the two positioning holes.
Preferably, the locking device comprises a locking plate, the locking plate is sleeved on the rotating shaft and detachably connected with the double-hole buckle, two bolts are vertically fixed on one side of the locking plate close to the double-hole buckle, the two bolts are opposite to the two positioning holes, and the length of each bolt is greater than the thickness of the double-hole buckle; the locking plate is kept away from the one end rigid coupling of diplopore buckle has the one end of spring, the other end rigid coupling of spring has fixed telescopic one end, fixed sleeve cover is established in the pivot, fixed telescopic other end with the nut can be dismantled and be connected.
Preferably, a reinforcing rib is fixed between the lower fixture vertical plate and the fixture bottom plate, and the reinforcing rib is perpendicular to the lower fixture vertical plate and the fixture bottom plate respectively.
Preferably, the range of the three-degree-of-freedom micro-displacement platform is +/-25 mm in the X-axis direction, +/-25 mm in the Y-axis direction, +/-12.5 mm in the Z-axis direction, and the motion precision of the X-axis direction, the motion precision of the Y-axis direction and the motion precision of the Z-axis direction are all 0.1 mm.
The invention discloses the following technical effects: compared with the prior art, the camera lens coarse adjustment device has the advantages that the coarse movement in the vertical direction of the camera is realized through the lower fixture vertical plate and the upper fixture vertical plate which are connected in a sliding manner, the upper fixture top plate can rotate around the upper fixture vertical plate by 0-360 degrees, and the self-locking hinge assembly enables the upper fixture top plate to be self-locked and fixed at intervals of a plurality of angles, so that the rotation adjustment of the high-speed camera lens is realized; the three-degree-of-freedom micro-displacement platform drives the high-speed camera lens to perform high-precision micro-displacement in the X-axis direction, the Y-axis direction and the Z-axis direction, coarse movement and fine movement adjusting work of the high-speed camera lens in each direction and each angle is achieved by combining the lower fixture vertical plate, the upper fixture vertical plate and the upper rotating fixture top plate which are connected in a sliding mode, the adjusting angles are multiple, the adjusting range is wide, the adjusting precision is high, and the three-degree-of-freedom micro-displacement platform is suitable for shooting requirements of dynamic monitoring of the machining process of ultra-precision machine tools with different layout characteristics.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a perspective view of the special fixture for mounting a high-speed camera of an ultra-precision machine tool according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a perspective view of the locking tab of the present invention;
FIG. 5 is a perspective view of the dual hole buckle of the present invention;
FIG. 6 is a perspective view of the multi-hole snap of the present invention;
FIG. 7 is a perspective view of example 2 of the present invention;
FIG. 8 is a schematic structural view of example 3 of the present invention;
FIG. 9 is a partial cross-sectional view of C of FIG. 8;
FIG. 10 is a schematic view of a second bevel gear;
FIG. 11 is a front view of a first bevel gear of the present invention;
the clamp comprises a clamp lower vertical plate 1, a clamp upper vertical plate 2, a clamp upper vertical plate 3, a clamp upper top plate 4, a three-degree-of-freedom micro-displacement platform 5, a clamp bottom plate 6, an outer guide rail 7, an inner guide rail 8, a rotating shaft 9, a multi-hole buckle 10, a double-hole buckle 11, a nut 12, a positioning hole 13, a locking hole 14, a locking plate 15, a bolt 16, a spring 17, a fixing sleeve 18, a reinforcing rib 19, a high-speed camera fixing frame 20, a clamp additional bottom plate 21, an inner shaft 22, a screw 23, a handle 24, a slider 25, an outer shaft 26, a first bevel gear 27, a second bevel gear 28, an outer sleeve 29, a ball bearing 30, a third bevel gear 31, a fourth bevel gear 32, an inner gear 33, a first bearing 34, a second bearing 35 and an outer gear 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1-6, the invention provides a special fixture for mounting a high-speed camera of an ultra-precision machine tool, which comprises a fixture lower vertical plate 1, wherein the top surface of the fixture lower vertical plate 1 is longitudinally provided with a chute 2, and a fixture upper vertical plate 3 is slidably connected in the chute 2;
the top end of the clamp upper vertical plate 3 is rotatably connected with a clamp upper top plate 4, and a self-locking hinge assembly is arranged between the clamp upper vertical plate 3 and the clamp upper top plate 4;
the end face of one side of the clamp upper top plate 4 is fixedly connected with a three-degree-of-freedom micro-displacement platform 5, the clamp upper top plate 4 is provided with a plurality of mounting holes for fine adjustment of the mounting position of the three-degree-of-freedom micro-displacement platform 5, and the bottom surface of the three-degree-of-freedom micro-displacement platform 5 is fixedly provided with a high-speed camera fixing frame 20;
the end, far away from the upper vertical plate 3, of the lower vertical plate 1 of the clamp is vertically provided with a clamp bottom plate 6, when the device is used, the clamp bottom plate 6 is fixedly used with a high-speed machine tool slide carriage, so that the device is vertically arranged on a high-speed machine tool, and the shape and the screw hole arrangement of the clamp bottom plate 6 are determined according to the machine tool slide carriage and are used for adapting to machine tools of different models;
the fixture upper vertical plate 3 slides up and down in the chute 2 to drive the three-degree-of-freedom micro-displacement platform 5 fixed on the fixture upper vertical plate 3 to move in the Z-axis direction; the upper vertical plate 3 of the clamp and the upper top plate 4 of the clamp realize the rotation of 0-360 degrees through a self-locking hinge assembly, and the upper top plate 4 of the clamp is self-locked after rotating for a plurality of angles at the same time, so that the shooting angle of a high-speed camera fixed on a high-speed camera fixing frame 20 is changed; the three-degree-of-freedom micro-displacement platform 5 drives the high-speed camera to perform micro-displacement in three directions of an X axis, a Y axis and a Z axis.
According to a further optimized scheme, outer guide rails 7 are respectively fixed on two side walls of the sliding chute 2, and the outer guide rails 7 on the two sides are arranged in parallel; inner guide rails 8 are respectively fixed on two side edges of the fixture upper vertical plate 3, the inner guide rails 8 are arranged corresponding to the outer guide rails 7, and the inner guide rails 8 are connected with the outer guide rails 7 in a sliding manner.
According to a further optimized scheme, the self-locking hinge assembly comprises a rotating shaft 9, two multi-hole buckles 10 and two double-hole buckles 11 are sleeved on the rotating shaft 9, the two multi-hole buckles 10 are located between the two double-hole buckles 11, the double-hole buckles 11 are fixedly connected with the rotating shaft 9, the multi-hole buckles 10 are rotatably connected with the rotating shaft 9, the double-hole buckles 11 are fixedly connected with an upper vertical plate 3 of the clamp, the multi-hole buckles 10 are fixedly connected with an upper top plate 4 of the clamp, two ends of the rotating shaft 9 are respectively in threaded connection with nuts 12, the nuts 12 are located on the outer sides of the double-hole buckles 11, and clamping locks are sleeved between the nuts 12 and the double-hole buckles 11;
two positioning holes 13 are formed in the double-hole buckle 11 in a penetrating mode, the two positioning holes 13 are symmetrically distributed relative to the rotating shaft 9, a plurality of locking holes 14 are formed in the multi-hole buckle 10 at equal intervals in the circumferential direction by taking the rotating shaft 9 as a circle center, any two opposite locking holes 14 are arranged opposite to the two positioning holes 13, and the number of the locking holes 14 is even; when the multi-hole buckle 10 rotates for a plurality of degrees, two opposite lock holes 14 coincide with the positioning hole 13, the upper top plate 4 of the clamp is locked by clamping, the self-locking angle is determined by the number of the lock holes 14 at intervals of a plurality of degrees, for example, when the number of the lock holes is 8, the self-locking angle is 45 degrees, and when the number of the lock holes 14 is 12, the self-locking angle is 30 degrees; the locking device comprises a locking plate 15, the locking plate 15 is sleeved on the rotating shaft 9, the locking plate 15 is detachably connected with the double-hole buckle 11, two inserting pins 16 are vertically fixed on one side of the locking plate 15 close to the double-hole buckle 11, the two inserting pins 16 are arranged opposite to the two positioning holes 13, and the length of each inserting pin 16 is larger than the thickness of the double-hole buckle 11; one end of the locking plate 15, which is far away from the double-hole buckle 11, is fixedly connected with one end of a spring 17, the other end of the spring 17 is fixedly connected with one end of a fixed sleeve 18, the fixed sleeve 18 is sleeved on the rotating shaft 9, and the other end of the fixed sleeve 18 is detachably connected with the nut 12; when the positioning hole 13 is overlapped with the lock hole 14, the bolt 16 is inserted into the positioning hole 13 and the lock hole 14 to relatively fix the multi-hole buckle 10 and the double-hole buckle 11, so that the lock is locked; when the top plate 4 on the clamp needs to be rotated, the nut 12 is loosened, the fixing sleeve 18 is pulled to pull the locking plate 15 through the spring 17, the bolt 16 fixed on the locking plate 15 is pulled out until the bolt leaves the locking hole 14, at the moment, the top plate 4 on the clamp can rotate by taking the rotating shaft 9 as a shaft, after a plurality of degrees of rotation, the positioning hole 13 and the locking hole 14 are coincided again, the nut 12 is screwed, the locking plate 15 is pushed through the spring 17 by pushing the fixing sleeve 18, the bolt 16 is inserted into the locking hole 14 again, and the top plate 4 on the clamp is locked.
Further optimize the scheme, be fixed with strengthening rib 19 under the anchor clamps between riser 1 and the anchor clamps bottom plate 6, strengthening rib 19 is perpendicular to riser 1 and anchor clamps bottom plate 6 under the anchor clamps respectively for strengthen the joint strength between riser 1 and the anchor clamps bottom plate 6 under the anchor clamps, prevent to warp or collapse and lead to high speed camera position change to cause the precision to change, lead to processing failure.
According to the further optimization scheme, a self-locking device is arranged between the inner guide rail 8 and the outer guide rail 7, the sliding stroke of the inner guide rail 8 is 400-500 mm, the range of the three-degree-of-freedom micro-displacement platform 5 is +/-25 mm in the X-axis direction, +/-25 mm in the Y-axis direction, +/-12.5 mm in the Z-axis direction, the respective freedom degree motion precision is 0.1mm, the inner guide rail and the outer guide rail perform coarse displacement, the three-degree-of-freedom platform performs high-precision displacement, and the two are combined, so that the displacement stroke in the Z-axis direction is enlarged, and the displacement precision is increased.
The using method comprises the following steps: the device is vertically installed on a high-speed machine tool through a clamp bottom plate 6, then a three-freedom-degree micro-displacement platform 5 is fixed on a clamp upper top plate 4, a high-speed camera fixing frame 20 is fixed on the three-freedom-degree micro-displacement platform 5, and finally the high-speed camera is fixed on the high-speed camera fixing frame 20 to complete installation.
When the high-speed camera is used, the height of the upper fixture vertical plate 3 is adjusted to a proper position through the upper fixture vertical plate 3 and the lower fixture vertical plate 1 which are connected in a sliding manner, the Z-axis position of the high-speed camera is roughly adjusted, and the high-speed camera is locked through the self-locking devices of the outer guide rail 7 and the inner guide rail 8 after the Z-axis position is adjusted; then finely adjusting the height of the high-speed camera in the Z-axis direction through the three-degree-of-freedom micro-displacement platform 5 to realize high-precision micro-adjustment of the high-speed camera in the Z-axis direction, combining coarse adjustment and fine adjustment, improving the adjustment range of the high-speed camera in the Z-axis direction, improving the adjustment precision of the high-speed camera in the Z-axis direction, and improving the effect of shooting and acquiring information; and after the Z-axis adjustment is finished, sequentially adjusting the three-degree-of-freedom micro-displacement platform 5 to move to a proper position in the X-axis and Y-axis directions, and then locking.
If information of different angles needs to be shot, the included angle between the upper top plate 4 of the clamp and the upper vertical plate 3 of the clamp can be further rotated, the nut 12 is loosened, the fixing sleeve 18 is pulled to pull the locking plate 15 through the spring 17, the bolt 16 fixed on the locking plate 15 is pulled out until the bolt leaves the locking hole 14, the upper top plate 4 of the clamp is rotated at the moment to drive the high-speed camera to rotate together, after a plurality of degrees of rotation, the positioning hole 13 is coincided with the locking hole 14 again, the nut 12 is screwed, the locking plate 15 is pushed through the spring 17 by pushing the fixing sleeve 18, the bolt 16 is inserted into the locking hole 14 again, and the upper top plate 4 of the clamp is fixed, so that self-locking adjustment of a plurality of degrees at intervals in the range of 0-360 degrees is achieved.
The machine tool is started to start to work, the position of the high-speed camera can be adjusted according to the steps during the work of the machine tool, the machine tool does not need to be closed to adjust, time and labor are saved, and the working efficiency is high.
Example 2
Referring to fig. 7, the difference between this embodiment and embodiment 1 is that the apparatus is installed horizontally, the lower vertical plate 1 of the fixture is vertically and fixedly connected to the side of the fixture additional bottom plate 21, and then the fixture additional bottom plate 21 is fixedly connected to the high-speed machine tool, so that the apparatus is installed and fixed horizontally; a plurality of screw holes are reserved on the fixture upper vertical plate 3, the three-degree-of-freedom micro-displacement platform 5 is fixedly connected with the fixture upper vertical plate 3, and the high-speed camera fixing frame 20 and the high-speed camera are installed in the manner of the embodiment 1.
In this mounting method, the adjustment in the Z-axis direction was the same as that in the X-axis direction in example 1, the adjustment in the X-axis direction was the same as that in the Z-axis direction in example 1, and the adjustment in the Y-axis direction was not changed.
The embodiment is mainly used for mounting the high-speed camera on the machine tool with the vertical spindle.
Example 3
Referring to fig. 8-11, the difference between the present embodiment and embodiment 1 is that an inner shaft 22 penetrates through the lower vertical plate 1 of the clamp of the present embodiment, the inner shaft 22 is located below the chute 2, two sections of outer shafts 26 are sleeved outside the inner shaft 22, and the inner shaft 22 is rotatably connected with the outer shafts 26; two first bevel gears 27 are sleeved on the inner shaft 22, two second bevel gears 28 are respectively sleeved on the two sections of outer shafts 26, wherein the two first bevel gears are respectively fixedly connected with the inner shaft 22, and the two second bevel gears 28 are respectively fixedly connected with the two sections of outer shafts 26; two longitudinal screw rods 23 are arranged above the inner shaft 22, slide blocks 25 are connected to the screw rods 23 in a threaded manner, and the slide blocks 25 are fixedly connected with the upper vertical plate 3 of the clamp; one end of the screw rod close to the inner shaft 22 is fixedly connected with a fourth bevel gear 32 and a third bevel gear 31 respectively, the first bevel gear 27 is meshed with the fourth bevel gear 32, and the second bevel gear 28 is meshed with the third bevel gear 31; an external gear 36 is fixed at one end of the first bevel gear 27 close to the second bevel gear 28, the external gear is sleeved on the inner shaft 22, a groove is formed at one end of the second bevel gear 28 close to the external gear 36, an internal gear 33 is embedded in the groove, the internal gear 33 is sleeved on the inner shaft 22, and the internal gear 33 and the external gear 36 are arranged oppositely; an outer sleeve 29 is fixed at one end of the second bevel gear 28 far away from the internal gear, the outer sleeve 29 is annular, the outer sleeve 29 is sleeved on the outer shaft 26, a ball bearing 30 is embedded in the outer sleeve 29, an inner ring of the ball bearing 30 is fixedly connected with the inner shaft 22, and an outer ring of the ball bearing 30 is fixedly connected with an inner ring of the outer sleeve 29; two ends of the inner shaft 22 are respectively provided with a first bearing 34 and a second bearing 35, and the first bearing 34 and the second bearing 35 are respectively fixedly connected with the lower vertical plate 1 of the clamp.
When the clamp is used, the rotating handle 24 drives the inner shaft 22 to rotate, the inner shaft 22 drives the first bevel gear 27 to rotate, the first bevel gear 27 drives the screw 23 to rotate through the fourth bevel gear 32 meshed with the first bevel gear 27, so that the sliding block 25 moves up and down on the screw 23 and drives the clamp upper vertical plate 3 fixedly connected with the sliding block 25 to move; when the moving speed of the upper vertical plate 3 of the clamp needs to be increased, the inner shaft 22 is pulled outwards through the handle 24, so that the inner shaft 22 drives the first bevel gear 27 to move towards the second bevel gear 28, the first bevel gear 27 is disconnected with the fourth bevel gear 32, and the outer gear 36 is embedded into and meshed with the inner gear 33; the handle 24 is rotated again, the inner shaft 22 drives the inner gear 33 to rotate through the outer gear 36 fixed on the first bevel gear 27, and further drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the screw 23 to rotate through the third bevel gear 31 meshed with the second bevel gear, and the slide block 25 drives the upper vertical plate 3 of the clamp to move; because the transmission ratio of the first bevel gear 27 and the fourth bevel gear 32 is different from that of the second bevel gear 28 and the third bevel gear 31, the movement speeds of the upper vertical plate 3 of the clamp driven by the slide block 25 are different under the condition that the rotation speed of the handle 24 is constant, when the adjustment allowance is large, the first gear of the upper vertical plate 3 of the clamp, which is fast in movement, is selected, the adjustment time is saved, and when the adjustment allowance is small, the first gear of the upper vertical plate 3 of the clamp, which is slow in movement, is selected, the excessive adjustment is prevented, and the adjustment precision is improved.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides a special fixture for installation of ultra-precision machine tool high speed camera which characterized in that: the clamp comprises a lower clamp vertical plate (1), wherein a sliding groove (2) is longitudinally formed in the top surface of the lower clamp vertical plate (1), and an upper clamp vertical plate (3) is connected in the sliding groove (2) in a sliding manner;
the top end of the clamp upper vertical plate (3) is rotatably connected with a clamp upper top plate (4), and a self-locking hinge assembly is arranged between the clamp upper vertical plate (3) and the clamp upper top plate (4);
a three-degree-of-freedom micro-displacement platform (5) is fixedly connected to one side end face of the upper clamp top plate (4), and a high-speed camera fixing frame (20) is fixed to the bottom face of the three-degree-of-freedom micro-displacement platform (5);
a clamp bottom plate (6) is vertically arranged at one end of the clamp lower vertical plate (1) far away from the clamp upper vertical plate (3);
the self-locking hinge assembly comprises a rotating shaft (9), wherein two multi-hole buckles (10) and two double-hole buckles (11) are sleeved on the rotating shaft (9), the two multi-hole buckles (10) are positioned between the two double-hole buckles (11), the double-hole buckles (11) are fixedly connected with the rotating shaft (9), the multi-hole buckles (10) are rotatably connected with the rotating shaft (9), the double-hole buckles (11) are fixedly connected with an upper fixture vertical plate (3), the multi-hole buckles (10) are fixedly connected with an upper fixture top plate (4), two ends of the rotating shaft (9) are respectively in threaded connection with nuts (12), the nuts (12) are positioned on the outer sides of the double-hole buckles (11), and a locking lock is sleeved between the nuts (12) and the double-hole buckles (11);
two positioning holes (13) are formed in the double-hole buckle (11) in a penetrating mode, the two positioning holes (13) are symmetrically distributed relative to the rotating shaft (9), a plurality of locking holes (14) are formed in the multi-hole buckle (10) in a circumferential and equidistant mode by taking the rotating shaft (9) as a circle center, and any two opposite locking holes (14) are arranged opposite to the two positioning holes (13);
the locking device comprises a locking plate (15), the locking plate (15) is sleeved on the rotating shaft (9), the locking plate (15) is detachably connected with the double-hole buckle (11), two bolts (16) are vertically fixed on one side, close to the double-hole buckle (11), of the locking plate (15), the two bolts (16) are arranged opposite to the two positioning holes (13), and the length of each bolt (16) is greater than the thickness of the double-hole buckle (11); the locking plate (15) is kept away from the one end rigid coupling of diplopore buckle (11) has the one end of spring (17), the other end rigid coupling of spring (17) has the one end of fixed sleeve (18), fixed sleeve (18) cover is established on pivot (9), the other end of fixed sleeve (18) with nut (12) can be dismantled and be connected.
2. The special fixture for the installation of the high-speed camera of the ultra-precision machine tool as claimed in claim 1, wherein: outer guide rails (7) are respectively fixed on two side walls of the sliding chute (2), and the outer guide rails (7) on two sides are arranged in parallel; inner guide rails (8) are respectively fixed on two side edges of the clamp upper vertical plate (3), the inner guide rails (8) are arranged corresponding to the outer guide rails (7), and the inner guide rails (8) are connected with the outer guide rails (7) in a sliding mode.
3. The special fixture for the installation of the high-speed camera of the ultra-precision machine tool as claimed in claim 2, wherein: a self-locking device is arranged between the inner guide rail (8) and the outer guide rail (7), and the sliding stroke of the inner guide rail (8) is 400-500 mm.
4. The special fixture for the installation of the high-speed camera of the ultra-precision machine tool as claimed in claim 1, wherein: and reinforcing ribs (19) are fixed between the lower fixture vertical plate (1) and the fixture bottom plate (6), and the reinforcing ribs (19) are respectively vertical to the lower fixture vertical plate (1) and the fixture bottom plate (6).
5. The special fixture for the installation of the high-speed camera of the ultra-precision machine tool as claimed in claim 1, wherein: the measuring range of the three-degree-of-freedom micro-displacement platform (5) is +/-25 mm in the X-axis direction, +/-25 mm in the Y-axis direction, +/-12.5 mm in the Z-axis direction, and the motion precision of the X-axis direction, the Y-axis direction and the Z-axis direction is 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330207.5A CN112959137B (en) | 2021-03-29 | 2021-03-29 | Special clamp for mounting high-speed camera of ultra-precision machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| DE102018116263A1 (en) * | 2018-07-05 | 2020-01-09 | E. Zoller Gmbh & Co. Kg | Automated tool clamping device, tool setting and / or tool measuring device and method with an automated tool clamping device |
| CN211840824U (en) * | 2020-03-26 | 2020-11-03 | 锦州港股份有限公司 | Welding training platform |
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| CN201198104Y (en) * | 2008-01-23 | 2009-02-25 | 张岳恩 | Translating and elevating gear of diamond polisher fixture |
| CN204294427U (en) * | 2014-09-23 | 2015-04-29 | 秦皇岛思泰意达科技发展有限公司 | A kind of adjustable angle nozzle boss for dedusting |
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| CN106312640A (en) * | 2016-09-29 | 2017-01-11 | 天津大学 | Micro-ball clamping and positioning method |
| DE102018116263A1 (en) * | 2018-07-05 | 2020-01-09 | E. Zoller Gmbh & Co. Kg | Automated tool clamping device, tool setting and / or tool measuring device and method with an automated tool clamping device |
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