CN113654467B - Grating ruler mounting device and method - Google Patents
Grating ruler mounting device and method Download PDFInfo
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- CN113654467B CN113654467B CN202111011952.XA CN202111011952A CN113654467B CN 113654467 B CN113654467 B CN 113654467B CN 202111011952 A CN202111011952 A CN 202111011952A CN 113654467 B CN113654467 B CN 113654467B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 8
- 230000000977 initiatory effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The application relates to a grating ruler mounting device, which comprises a base, a guide rail, a bearing platform plate and a ruler pasting block, wherein the guide rail is arranged on the base and is used for providing a movement path of a detected object; the bearing plate is connected with the base in a sliding way through the guide rail, and is used for detachably connecting the grating reading head and the ruler pasting block; the base is provided with a connecting initial position for pre-pasting one end of the grating ruler on the surface of one side, which is used for pasting the grating ruler, of the base, a through hole for penetrating out the other end of the grating ruler is formed in the ruler pasting block, and the surface of one side, which is close to the base, of the ruler pasting block can be abutted with the grating ruler. The method has the effect that the pasting path of the grating ruler is not easy to have errors with the movement path of the grating reading head.
Description
Technical Field
The application relates to the field of installation equipment, in particular to a grating ruler installation device and a grating ruler installation method.
Background
The grating ruler, also called grating ruler displacement sensor, is a measuring feedback device working by utilizing the optical principle of the grating, wherein the grating ruler is often applied to a closed loop servo system of a numerical control machine tool, can be used for detecting linear displacement or angular displacement, and has the characteristics of large detection range, high detection precision and high response speed because the signal output by the grating ruler in measurement is a digital pulse.
In the related art, when linear displacement or angular displacement detection is required to be carried out on an object, the object is firstly arranged on a support, the support is connected to a base in a sliding mode, the sliding track of the support is consistent with the preset motion track of the object, a grating reading head is arranged on the support, a grating ruler matched with the grating reading head is adhered to the outer surface of the base, so that the grating reading head can read the grating ruler when the support moves, and the aim of linear displacement or angular displacement detection of the object is achieved.
Aiming at the related technology, when the motion track of an object is overlong, the grating ruler is pasted manually, so that an error exists between the pasting path of the grating ruler and the motion path of the grating reading head, the grating reading head is easy to read, and the defect that the signal is lost easily occurs is caused.
Disclosure of Invention
In order to prevent errors between the pasting path of the grating ruler and the moving path of the grating reading head, the application provides a grating ruler mounting device and a grating ruler mounting method.
The grating ruler installation device and method provided by the application adopt the following technical scheme:
in a first aspect, the present application provides a grating ruler installation apparatus, which adopts the following technical scheme:
the grating ruler mounting device comprises a base, a guide rail, a bearing platform plate and a ruler pasting block, wherein the guide rail is arranged on the base and is used for providing a movement path of a detected object; the bearing platform plate is connected with the base in a sliding way through the guide rail, and is used for detachably connecting the grating reading head and the ruler pasting block; the base is provided with a connecting initial position for pre-pasting one end of the grating ruler on the surface of one side, which is used for pasting the grating ruler, of the base, the ruler pasting block is provided with a through hole for penetrating out the other end of the grating ruler, and the surface of one side, which is close to the base, of the ruler pasting block can be abutted with the grating ruler.
Through adopting above-mentioned technical scheme, when pasting the grating chi, first will paste the chi piece and install on the support platen, then paste the one end of grating chi on connecting the start position in advance, the other end then wears out the through-hole on the chi piece, then alright make the cushion cap board along the length extension direction motion of guide rail, in this process, because the surface that pastes chi piece and base are close to each other can with grating chi butt, so the grating chi just paste gradually on predetermined pasting route, after the cushion cap board reaches the assigned position, only need paste grating chi and the not grating chi that pastes on the base separate can, thereby just accomplish the pasting work of grating chi, and when detecting the object, pull down the chi piece earlier, then install the grating read head on the support platen with paste the position that chi piece is connected, then alright make the cushion cap board remove in order to carry out linear displacement or angular displacement's measurement to the detected object, compare in the mode of pasting the grating chi, this kind of design mode, the path that paste chi piece and grating motion track are unanimous, so the easy path of pasting of grating chi and the grating readhead are difficult for reading head, and the error is difficult to appear in fact that the grating reading head is lost to the grating is difficult to appear.
Preferably, an avoidance surface is arranged on the inner wall of the through hole, which is close to one end of the connection start position, and the avoidance surface can apply a component force to the grating ruler in the direction of the connection start position.
Through adopting above-mentioned technical scheme, because of paste chi piece is moving to keeping away from the connection initiation site direction, the grating chi can be close to the inner wall butt of connection initiation site one end with the through-hole, so dodge the setting of face, then make grating chi and paste the part that chi piece is close to base one side surface for grating chi and through-hole be close to the contained angle between the connection initiation site one end inner wall and turn into the obtuse angle by the right angle, so paste the chi piece and be moving the in-process to keeping away from connection initiation site direction, the through-hole is close to the inner wall of connection initiation site one end and hinder the grating chi can be weakened, thereby make the pasting of grating chi can be more smooth.
Preferably, a limiting through groove for the grating ruler to pass through is formed in one side surface of the ruler sticking block, and the limiting through groove is communicated with the through hole.
Through adopting technical scheme, because of the setting in spacing logical groove, then make the chi piece of pasting when the motion, the skew of grating chi perpendicular to chi piece direction of motion can be restricted, so the paste route of grating chi can be more unanimous with the motion route of chi piece to can further reduce the error between paste route and the grating read head motion route of grating chi.
Preferably, the polishing device further comprises a first connecting frame arranged on the bearing plate and a polishing piece arranged on the first connecting frame, wherein the polishing piece comprises a moving guide rail, a spindle motor, a processing cutter and a guide rail clamp, the moving guide rail is fixedly connected to the first connecting frame, and the length direction of the moving guide rail is parallel to the concave-convex direction of the pasting surface of the grating ruler provided by the base; the spindle motor is in sliding connection with the first connecting frame through the moving guide rail, and an output shaft of the spindle motor is connected with the processing cutter to grind the surface of one side of the grating ruler supplied by the base; the rail clamp is provided on the moving rail and is used to restrict the spindle motor from sliding.
Through adopting above-mentioned technical scheme, before pasting the grating chi, make first link along the extending direction motion of guide rail length through the bearing plate earlier, in this process, keep the butt between the one side surface that processing cutter and base supplied the grating chi to bond, and detect the motion path of spindle motor through detecting the instrument, then just can calculate the base and supply the grating chi to paste the unsmooth degree on one side surface, then limit spindle motor along the slip of moving the guide rail through the guide rail clamp, then start spindle motor and make processing cutter rotatory, make first link motion through the bearing plate again finally, thereby in this process, processing cutter just can polish the one side surface that the grating chi was supplied to the base to bond, so the grating chi can paste more level on the base, and then make the condition that the signal loss appears more difficult for when detecting afterwards.
Preferably, a side surface of the base, to which the grating ruler is attached, is positioned on the side surface of the base; the bearing plate is provided with a T-shaped second connecting frame, the second connecting frame comprises a first connecting end and two second connecting ends, the first connecting end is positioned at the upper side and fixedly connected with the bearing plate, and the two second connecting ends are positioned at the lower side and provided with first connecting holes; the ruler pasting block is arranged on the two second connecting ends, a second connecting hole communicated with the first connecting hole is formed in the ruler pasting block, and a connecting piece for fixing the ruler pasting block and the second connecting frame is arranged at the position of the first connecting hole and the second connecting hole.
Through adopting above-mentioned technical scheme, on the one hand, the grating chi bonds on the side surface of base, can make the grating chi when bonding, the grating chi is worn out from pasting the chi piece one end to the direction horizontal extension who keeps away from the base, then be difficult for appearing the grating chi owing to the gravity of grating chi self and contact the condition of base at bonding portion to can promote the smoothness nature that the grating chi pasted, on the other hand, through being the connection structure that the second link that is T shape provided subsides chi piece and grating read head and connected at the cushion cap board, and also utilized the structure of T shape more effectively, make subsides chi piece can more firmly and install on the bearing plate more succinctly.
Preferably, the connecting piece comprises at least two connecting plates, a supporting bar, a push rod and a baffle block, wherein the connecting plates are arranged in the second connecting holes in a penetrating way, the connecting plates are connected to the surface of the second connecting end, which is close to the second connecting holes, in a sliding way, and the connecting plates can move towards the direction away from the central line of the first connecting holes; the support bar is arranged at one end of the connecting plate far away from the first connecting hole, and can be abutted with a baffle formed on the surface of one side of the ruler pasting block far away from the second connecting end; the push rod is arranged on the inner sides of the first connecting holes and the connecting plates in a sliding penetrating mode, the push rod comprises a driving part and a connecting part, the driving part and the connecting part are in butt joint with the inner sides of the connecting plates, and the driving part is provided with a guide surface capable of enabling the connecting plates to move in a direction away from the center line of the first connecting holes; the baffle block is fixedly connected to one end of the connecting part far away from the driving part, and when the baffle block is abutted with the upper surface of the second connecting end, the driving part enables the outer side of the connecting plate to be abutted with the inner wall of the second connecting hole.
Through adopting above-mentioned technical scheme, when will paste the chi piece and install at the second link, earlier will paste on the lower surface of chi piece butt second link, and make a plurality of connecting plates be arranged in the inner circle of second connecting hole, then stretch into the inboard of a plurality of connecting plates with the push rod from first connecting hole, in this process, guide face on the drive division can make a plurality of connecting plates to the direction removal of keeping away from first connecting hole central line, wait the outer wall of connecting plate and the inner wall butt of second connecting hole, the support bar also forms with the one side surface that pastes the chi piece and keep away from the second link and separate the butt, separate the upper surface butt of dog also second link simultaneously, thereby just reach to be fixed paste the chi piece at the second link, compare in through bolt and nut complex connected mode, this kind of design mode, only need hold up paste the chi piece and push rod push can, thereby be convenient for will paste chi piece or grating reading head and install and remove on the second link, and remove the adjustment time between preparation work and the detection work is helped.
Preferably, a plurality of limit protrusions capable of elastically deforming are uniformly distributed on the outer wall of the connecting plate, and clamping grooves for embedding the limit protrusions are formed in the inner wall of the second connecting hole.
Through adopting above-mentioned technical scheme, because of the bellied setting of spacing that can take place elastic deformation, then when the outer wall of connecting plate and the inner wall butt of second connecting hole, spacing arch just can imbed in the card caulking groove to spacing arch is compressed state, thereby just makes connecting plate and second connecting hole butt inseparabler, helps promoting the connection stability between subsides chi piece and the second link.
Preferably, the second connecting end is provided with a sliding groove with a T-shaped section at the joint with the connecting plate, the connecting plate is provided with a sliding block matched with the sliding groove at the joint with the second connecting plate, and the connecting plate is in sliding connection with the second connecting end through the matching of the sliding block and the sliding groove; the sliding chute is internally provided with a first spring, one end of the first spring is fixedly connected with the inner wall of the sliding chute, the other end of the first spring is fixedly connected with the sliding block, and the first spring is used for enabling the connecting plate to move in a direction close to the center line of the first connecting hole.
Through adopting above-mentioned technical scheme, on the one hand, under the cooperation of spout and slider, then make the connecting plate when moving to keeping away from first connecting hole central line direction, the motion track of connecting plate can be more accurate, thereby make the drive portion of push rod move when the connecting plate moves in the top, on the other hand, because of the setting of first spring, then when the push rod is taken out from the inboard of connecting plate, first spring alright be with self elastic force effect on the connecting plate, with make a plurality of connecting plates to be close to the central line direction removal of first connecting hole, compare the mode that needs artifical withholding support bar after the push rod is taken out, this kind of design mode, make the ruler piece can be more easily taken off from the second connecting end, help promoting work efficiency.
Preferably, the connecting part is sleeved with a second spring, one end of the second spring is fixedly connected with the upper surface of the second connecting end, the other end of the second spring is fixedly connected with the baffle block, and the second spring is used for enabling the driving part to be separated from the inner side of the connecting plate; the upper surface of the second connecting end is provided with a U-shaped rod, two ends of the U-shaped rod are respectively hinged with the upper surface of the second connecting end, and the bent inner side of the U-shaped rod is abutted with the baffle block to limit the reset sliding of the push rod; the end, close to the inner side of the U-shaped rod, of the baffle block comprises an abutting surface in a cambered surface shape and a baffle surface in a plane shape, two abutting surfaces are arranged, and the curvature center of each abutting surface and two hinges of the U-shaped rod are positioned on the same straight line; the baffle surface is positioned between the two abutting surfaces, and the direction of the force applied to the baffle surface by the inner side of the bending of the U-shaped rod is parallel to the axial direction of the push rod.
Through adopting above-mentioned scheme, when will stretch into the inboard of connecting plate with the push rod, can press the baffle block earlier appropriately, so that the one end that keeps away from the baffle face is kept away from the baffle face with the inside butt of buckling of U-shaped pole, can break off the U-shaped pole, make the inside direction of buckling of U-shaped pole remove to the baffle face gradually, in this process, the inside pressure that is parallel to push rod length direction can be exerted to the baffle block to the butt, then wait the inside bending of U-shaped pole to move to the baffle face place, baffle block can slightly upwards move so that baffle face and the inside butt of buckling of U-shaped pole are tight, thereby just reach the purpose of locking push rod and baffle block, and when want the unblock, only need slightly swing U-shaped pole, make the inside butt of buckling of U-shaped pole, then the second spring alright be used on baffle block with self elastic force, then baffle block can exert the thrust of keeping away from baffle face direction to the U-shaped pole through the butt, finally the baffle block can be in the effect of gravity and baffle block down on the second face, thereby reach the purpose of quick lock of falling on the end of second connection.
In a second aspect, the present application provides a method for installing a grating scale, which adopts the following technical scheme:
a grating ruler installation method comprises the following steps:
s1: mounting the tape block on the bearing plate;
s2: one end of the grating ruler is stuck on the connection initial position, and the other end of the grating ruler penetrates through the through hole on the ruler sticking block;
s3: the bearing platform plate moves along the length extending direction of the guide rail;
s4: and when the bearing platform plate moves to the tail end of the length extending direction of the guide rail, separating the grating ruler which is already stuck on the base from the non-stuck grating ruler.
Through adopting above-mentioned technical scheme, the error between the motion route of subsides chi piece and grating read head can reduce, then make the error between pasting route and the motion route of grating read head of grating chi also can reduce to when detecting work, the grating read head is difficult for reading and is not to the grating chi, and then the condition that the signal loss is difficult for appearing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the base, the guide rail, the bearing plate and the rule pasting block, compared with a mode of manually pasting the grating rule, the design mode has the advantages that the motion trail of the rule pasting block and the grating reading head is realized through the guide rail, and the motion trail of the rule pasting block and the grating reading head is basically consistent, so that errors are not easy to exist in the pasting route of the grating rule and the motion route of the grating reading head, the grating reading head is not easy to read, and the signal loss is not easy to occur;
2. through the arrangement of the avoidance surface, the included angle between the part, close to one side surface of the base, of the grating ruler and the ruler pasting block is converted into an obtuse angle from a right angle relative to the inner wall of one end, close to the connection start position, of the grating ruler, so that the end, close to the connection start position, of the through hole is not easy to block the grating ruler in the process of moving in the direction away from the connection start position, and the pasting of the grating ruler can be smoother;
3. through the setting of spacing logical groove, then make the rule piece of pasting when the motion, the skew of grating chi perpendicular to rule piece direction of motion can be restricted, so the paste route of grating chi can be more unanimous with the motion route of rule piece to can further reduce the error between the paste route of grating chi and the grating read head motion route.
Drawings
Fig. 1 is a schematic view of the structure of the grating scale mounting device according to embodiment 1 of the present application when polishing is performed.
Fig. 2 is a schematic view of the structure of the grating scale mounting device according to embodiment 1 of the present application when the grating scale is attached.
Fig. 3 is a schematic structural diagram of the embodiment 1 of the present application for embodying the specific structure of the tape block.
Fig. 4 is a sectional structural view of the connector in embodiment 2 of the present application.
Fig. 5 is an enlarged view at a in fig. 4.
Reference numerals illustrate: 1. a base; 11. a grating ruler; 12. a connection start position; 2. a guide rail; 3. a bearing plate; 31. sticking a ruler block; 311. a through hole; 312. an avoidance surface; 313. limiting through grooves; 314. a second connection hole; 315. a clamping groove; 316. a chute; 317. a first spring; 32. a grating readhead; 4. a first connection frame; 5. a polishing member; 51. a moving guide rail; 52. a spindle motor; 53. machining a cutter; 54. a rail clamp; 6. a second connecting frame; 61. a first connection end; 62. a second connection end; 621. a first connection hole; 7. a connecting piece; 71. a connecting plate; 711. a limit protrusion; 712. a slide block; 72. a support bar; 73. a push rod; 731. a driving section; 732. a connection part; 733. a guide surface; 74. a baffle block; 741. an abutment surface; 742. a baffle surface; 8. a second spring; 9. u-shaped pole.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a grating ruler mounting device.
Embodiment 1, referring to fig. 1, the grating ruler mounting device comprises a base 1, two guide rails 2, a bearing plate 3, a first connecting frame 4 and two guide rails 2, wherein the two guide rails 2 are parallel to each other and are arranged on the base 1 at intervals; the bearing plate 3 is slidably connected to the base 1 through the guide rail 2, in this embodiment, the object to be detected is placed on the bearing plate 3, and the object to be detected moves along the length extending direction of the guide rail 2 through the bearing plate 3, so as to achieve the purpose of linear displacement change of the object to be detected, in other embodiments, the guide rail 2 can also be an arc-shaped guide rail, so as to achieve the purpose of angular displacement change of the object to be detected.
Referring to fig. 1 and 2, since the mounting manner of the grating ruler 11 is uniform when the guide rail 2 is in a straight line or an arc shape, only the guide rail 2 is in a straight line guide rail for example, in this embodiment, the surface of the base 1 to which the grating ruler 11 is attached is located on the side surface of the base 1, and the attaching position of the grating ruler 11 is close to one of the guide rails 2, and after the base 1 is actually produced, the surface of the base 1 to which the grating ruler 11 is attached is uneven, so that polishing treatment is required for the surface of the base 1 to which the grating ruler 11 is attached before the grating ruler 11 is attached.
Referring to fig. 1 and 2, the first connection frame 4 is detachably connected to the deck plate 3, and the first connection frame 4 is provided with a grinding member 5, and in particular, the grinding member 5 includes a moving rail 51, a spindle motor 52, a processing tool 53, and a rail clamp 54, the moving rail 51 is connected to the first connection frame 4, and the length direction of the moving rail 51 is perpendicular to the length direction of the rail 2, and is also perpendicular to a surface of the base 1 to which the grating ruler 11 is attached; the spindle motor 52 is connected to the moving rail 51 by a slider so as to be slidably connected to the first connecting frame 4 itself, and the sliding direction of the spindle motor 52 is parallel to the length direction of the moving rail 51, and the output shaft of the spindle motor 52 is fixedly connected coaxially with a rotary-type machining tool 53.
Referring to fig. 1 and 2, a rail clamp 54 is installed on a moving rail 51 and is located on a side of a junction of a spindle motor 52 and the moving rail 51 away from a base 1, before installing a grating scale 11, a first connection frame 4 is moved along the rail 2 by a carrier plate 3, in the process, the processing tool 53 is kept in contact with a side surface of the base 1 to which the grating scale 11 is attached, and a movement path of the spindle motor 52 is detected by an external tool, so that a degree of roughness of the side surface of the base 1 to which the grating scale 11 is attached can be calculated, after the detection, the first connection frame 4 is reset to a starting point position of the rail 2, and the spindle motor 52 is moved to a designated position on the moving rail 51, then the position of the spindle motor 52 is limited by the rail clamp 54, then the spindle motor 52 is started, and finally the first connection frame 4 is moved by the carrier plate 3, so that the processing tool 53 performs polishing treatment on the base 1, and then the grating scale 11 can be attached to the base 1 more smoothly, and after the polishing treatment is finished, the first connection frame 4 is detached from the carrier plate 3.
Referring to fig. 2 and 3, in the present embodiment, the second connecting frame 6 having a T shape is fixedly connected to the bearing plate 3, and the second connecting frame 6 is connected to the tape block 31 or the grating readhead 32, and the connection modes of the tape block 31 and the grating readhead 32 with the second connecting frame 6 are identical, so that the tape block 31 will be described later as an example, the second connecting frame 6 includes a first connecting end 61 and two second connecting ends 62, wherein the first connecting end 61 is located at the upper side and is fixedly connected to the bearing plate 3, and the two second connecting ends 62 are located at the lower side and are fixedly connected to the tape block 31 through bolts, so that the tape block 31 can be detached and replaced with the grating readhead 32 after the use is completed.
Referring to fig. 2 and 3, in the present embodiment, the tape block 31 is integrally provided with a through hole 311 through which the grating tape 11 passes, and a side surface of the tape block 31, which is close to each other, is abutted against the grating tape 11, and the base 1 is provided with a connection start position 12 for pre-attaching one end of the grating tape 11, when the attachment work of the grating tape 11 is to be performed, the one end of the grating tape 11 is attached to the connection start position 12, the other end of the grating tape 11 is passed through the through hole 311, and wound on the winding disc, then the tape block 31 is moved along the guide rail 2 by the carrier plate 3, in this process, the grating tape 11 on the side of the through hole 311, which is far from the base 1, gradually passes through the through hole 311 and enters between the side surface of the tape block 31, which is close to the base 1, the tape block 31 presses the grating tape 11 so that the grating tape 11 is attached to the base 1, and then when the carrier plate 3 moves to the end of the guide rail 2, the grating tape 11 attached to the base 1 is separated from the non-attached grating tape 11, thereby completing the attachment work of the grating tape 11.
Referring to fig. 2 and 3, in the present embodiment, after the bonding work of the grating ruler 11 is completed, the ruler-bonding block 31 can be detached from the second connecting frame 6, and then the grating reading head 32 is installed to perform the detection work, and since the grating reading head 32 and the ruler-bonding block 31 both move along the guide rail 2, the error between the bonding path of the grating ruler 11 and the moving path of the grating reading head 32 can be reduced, so that the grating reading head 32 is not easy to read the grating ruler 11, and the signal loss is not easy to occur.
Referring to fig. 2 and 3, in this embodiment, the inner wall of the through hole 311 near one end of the connection start position 12 is provided with the avoidance surface 312, where the distance between the avoidance surface 312 near one end of the base 1 is closer to one end far away from the base 1, when the grating scale 11 abuts against the avoidance surface 312, the avoidance surface 312 can apply a component force towards the direction of the connection start position 12 to the grating scale 11, so in the moving process of the tape sticking block 31, the included angle between the grating scale 11 and the inner wall of the part of the tape sticking block 31 near one side of the base 1, which is opposite to the grating scale 11 and the inner wall of the through hole 311 near one end of the connection start position 12, is changed from a right angle to an obtuse angle, so that the obstruction of the inner wall of the through hole 311 near one end of the connection start position 12 to the grating scale 11 can be weakened, and the grating scale 11 can be stuck on the base 1 more smoothly.
Referring to fig. 2 and 3, in the present embodiment, a limiting through groove 313 is formed on a surface of the tape block 31 near the base 1, and one end of the communicating direction of the limiting through groove 313 is communicated with the through hole 311, when the tape block 31 moves, the offset of the grating scale 11 perpendicular to the moving direction of the tape block 31 is limited by the limiting through groove 313, so that the adhering path of the grating scale 11 can be more consistent with the moving path of the tape block 31, and the error between the adhering path of the grating scale 11 and the moving path of the grating reading head 32 can be further reduced.
The implementation principle of the grating ruler 11 installation device in the embodiment of the application is as follows: by means of the way that the tape sticking block 31 and the grating reading head 32 move along the guide rail 2, errors of the sticking path of the grating ruler 11 and the moving path of the tape sticking block 31 are reduced, so that errors between the sticking path of the grating ruler 11 and the moving path of the grating reading head 32 are also reduced, the grating reading head 32 is not easy to read the grating ruler 11 during detection, and signal loss is not easy to occur.
Referring to fig. 4 and 5, embodiment 2, the difference from embodiment 1 is that the two second connection ends 62 are provided with a first connection hole 621, the tape block 31 is provided with a second connection hole 314 coaxially communicated with the first connection hole 621, the first connection hole 621 and the second connection hole 314 are provided with a connection piece 7 for fixing the tape block 31 and the second connection frame 6, specifically, the connection piece 7 comprises two connection plates 71, a support bar 72, a push rod 73 and a baffle 74, the connection plates 71 are tile-shaped, the connection plates 71 are arranged in the inner rings of the second connection holes 314 in a penetrating manner, in this embodiment, the inner wall of the first connection hole 621 near one end of the second connection hole 314 is provided with a slide groove 316 with a T-shaped section, one end of the connection plates 71 near the first connection hole 621 is fixedly connected with a slide block 712 matched with the slide groove 316, and the slide block 712 is slidably arranged in the slide groove 316, so that the connection plates 71 are slidably connected with the second connection ends 62, and the sliding direction of the connection plates 71 is parallel to the direction of the diameter of the first connection hole 621.
Referring to fig. 4 and 5, the support bar 72 is fixedly connected to one end of the connection plate 71 far from the first connection hole 621, and when the outer wall of the connection plate 71 abuts against the inner wall of the second connection hole 314, the support bar 72 forms a blocking abutment with the surface of one side of the tape block 31 far from the second connection end 62, so that the purpose of fixing the tape block 31 on the second connection end 62 is achieved; the push rod 73 includes a driving portion 731 and a connecting portion 732, the driving portion 731 has a substantially semi-ellipsoidal shape, and when one end of the driving portion 731 having a larger cross-sectional area is connected to the connecting portion 732, a portion of the outer wall of the driving portion 731 having a spherical shape forms a guide surface 733 for moving the connecting plate 71 away from the center line of the first connecting hole 621; the connecting portion 732 is cylindrical, and the baffle 74 is fixedly connected to the end of the connecting portion 732 away from the driving portion 731, so that when the connecting plate 71 is positioned in the inner ring of the second connecting hole 314, the push rod 73 can penetrate into the first connecting hole 621 and the inner side of the connecting plate 71, and in this process, the guiding surface 733 can gradually move the connecting plate 71 in a direction away from the center line of the first connecting hole 621, and finally, the purpose of fixing the tape block 31 at the second connecting end 62 can be achieved only by abutting the outer wall of the connecting plate 71 with the inner wall of the second connecting hole 314.
Referring to fig. 4 and 5, in order to further make the connection between the connection board 71 and the inner wall of the second connection hole 314 more tightly, a plurality of limiting protrusions 711 made of rubber are uniformly and fixedly connected to the outer wall of the connection board 71, and a clamping groove 315 in which the limiting protrusions 711 are embedded is formed in the inner wall of the second connection hole 314, when the outer wall of the connection board 71 abuts against the inner wall of the second connection hole 314, the limiting protrusions 711 are embedded in the clamping groove 315, and the limiting protrusions 711 are in a compressed state at this time, so that the connection board 71 is in expansion connection with the inner wall of the second connection hole 314, and the connection stability between the ruler-attaching block 31 and the second connection frame 6 is improved.
Referring to fig. 4 and 5, in the present embodiment, a first spring 317 is further disposed in the chute 316, one end of the first spring 317 is fixedly connected to the slider 712, the other end is fixedly connected to the inner wall of the chute 316, and the first spring 317 has a tendency to move the connection plate 71 toward the center line direction of the first connection hole 621; the connecting portion 732 is coaxially sleeved with a second spring 8, wherein one end of the second spring 8 is fixedly connected with the upper surface of the second connecting end 62, the other end of the second spring 8 is fixedly connected with one side surface of the baffle plate 74 close to the second connecting end 62, and the second spring 8 has a tendency that the driving portion 731 on the push rod 73 is separated from the inner side of the connecting plate 71, so that when the tape block 31 is to be detached from the second connecting frame 6, the limit of the baffle plate 74 towards the upper surface of the second connecting end 62 can be removed, the second spring 8 can enable the baffle plate 74 to move integrally upwards, so that the driving portion 731 of the push rod 73 is separated from the inner side of the connecting plate 71, and meanwhile, the second spring 8 can enable the connecting plate 71 to move towards the central line of the first connecting hole 621, thereby achieving the purpose of quick detachment.
Referring to fig. 4 and 5, the upper surface of the second connecting end 62 is provided with two ends of the opening of the U-shaped rod 9,U, which are respectively hinged to the second connecting end 62, and the baffle 74 can be located in the inside of the bend of the U-shaped rod 9, in this embodiment, the end of the baffle 74, which is far from the connecting portion 732, includes a spherical abutment surface 741 and a planar baffle surface 742 for cooperation with the U-shaped rod 9, wherein the abutment surfaces 741 are provided with two, and the curvature center of the abutment surfaces 741 and the two hinges of the U-shaped rod 9 are on the same straight line; the blocking surface 742 is located between the two abutting surfaces 741, and when the inner side of the U-shaped rod 9 is abutted against the blocking surface 742, the restoring sliding of the push rod 73 is limited, so that the purpose of stably fixing the ruler block 31 on the second connecting frame 6 is achieved.
Referring to fig. 4 and 5, when the restriction on the push rod 73 is to be released, only the U-shaped rod 9 needs to be slightly swung, so that the bent inner side of the U-shaped rod 9 abuts against the abutment surface 741, then the second spring 8 can apply its own elastic force on the blocking block 74, then the blocking block 74 can apply a force to the U-shaped rod 9 in a direction away from the blocking surface 742 through the abutment surface 741, and finally the U-shaped rod 9 can fall onto the upper surface of the second connecting end 62 under the action of its own gravity and the blocking block 74, thereby achieving the purpose of quick unlocking.
The following is a grating ruler installation method, which comprises the following steps:
s1: mounting the first connecting frame 4 on the bearing plate 3;
s2: mounting the grinding member 5 on the first coupling frame 4;
s3: the bearing platform plate 3 slides along the guide rail 2, and the processing cutter 53 is kept to be abutted against the base 1, so that the degree of concavity and convexity of the surface of the base 1, on which the grating ruler 11 is stuck, is calculated;
s4: according to the degree of concave-convex on one side surface of the grating ruler 11 provided on the base 1, the spindle motor 52 is moved to a designated position of the moving guide rail 51, and the sliding of the spindle motor 52 is locked by the guide rail clamp 54;
s5: starting the spindle motor 52 to rotate the machining tool 53;
s6: the bearing platform plate 3 slides along the guide rail 2;
s7: after finishing polishing, the first connecting frame 4 is detached from the bearing platform plate 3;
s8: mounting the second connecting frame 6 on the bearing plate 3, and mounting the tape block 31 on the second connecting frame 6;
s9: one end of the grating ruler 11 is stuck on the connection starting position 12, and the other end of the grating ruler is penetrated out of the through hole 311 on the ruler sticking block 31 and is wound on the winding disc;
s10: the bearing platform plate 3 slides along the guide rail 2;
s11: when the platform plate 3 moves to the tail end of the length extending direction of the guide rail 2, the grating ruler 11 which is already stuck on the base 1 is separated from the non-stuck grating ruler 11.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. The utility model provides a grating chi installation device which characterized in that: the device comprises a base (1), a guide rail (2), a bearing platform plate (3) and a ruler pasting block (31), wherein the guide rail (2) is arranged on the base (1), and the guide rail (2) is used for providing a motion path of a detected object; the bearing platform plate (3) is connected with the base (1) in a sliding way through the guide rail (2), and the bearing platform plate (3) is used for detachably connecting the grating reading head (32) and the ruler pasting block (31); the base (1) is provided with a connection starting position (12) for pre-pasting one end of the grating ruler (11) on the surface of one side, to which the grating ruler (11) is adhered, the ruler pasting block (31) is provided with a through hole (311) for the other end of the grating ruler (11) to penetrate out, and the surface of one side, close to the base (1), of the ruler pasting block (31) can be abutted with the grating ruler (11); the polishing device comprises a base (1), a first connecting frame (4) arranged on the base plate (3) and a polishing piece (5) arranged on the first connecting frame (4), wherein the polishing piece (5) comprises a moving guide rail (51), a spindle motor (52), a processing cutter (53) and a guide rail clamp (54), the moving guide rail (51) is fixedly connected to the first connecting frame (4), and the length direction of the moving guide rail (51) is parallel to the concave-convex direction of the pasting surface of the grating ruler (11) provided by the base (1); the spindle motor (52) is in sliding connection with the first connecting frame (4) through the moving guide rail (51), and an output shaft of the spindle motor (52) is connected with the processing cutter (53) so as to grind the surface of one side of the grating ruler (11) of the base (1); the rail clamp (54) is provided on the moving rail (51) and serves to restrict the spindle motor (52) from sliding.
2. The grating scale mounting apparatus of claim 1, wherein: an avoidance surface (312) is arranged on the inner wall of the through hole (311) close to one end of the connection start position (12), and the avoidance surface (312) can apply a component force to the grating ruler (11) towards the connection start position (12).
3. The grating scale mounting apparatus of claim 1, wherein: a limiting through groove (313) for the grating ruler (11) to pass through is formed in one side surface of the ruler attaching block (31), and the limiting through groove (313) is communicated with the through hole (311).
4. The grating scale mounting apparatus of claim 1, wherein: one side surface of the base (1) to which the grating ruler (11) is adhered is positioned on the side surface of the base (1); the bearing platform plate (3) is provided with a T-shaped second connecting frame (6), the second connecting frame (6) comprises a first connecting end (61) and two second connecting ends (62), the first connecting end (61) is positioned at the upper side and fixedly connected with the bearing platform plate (3), and the two second connecting ends (62) are positioned at the lower side and provided with first connecting holes (621); the ruler pasting block (31) is arranged on the two second connecting ends (62), a second connecting hole (314) communicated with the first connecting hole (621) is formed in the ruler pasting block (31), and a connecting piece (7) for fixing the ruler pasting block (31) and the second connecting frame (6) is arranged at the positions of the first connecting hole (621) and the second connecting hole (314).
5. The grating ruler mounting apparatus of claim 4, wherein: the connecting piece (7) comprises at least two connecting plates (71), a supporting bar (72), a push rod (73) and a baffle block (74), wherein the connecting plates (71) are arranged in the second connecting holes (314) in a penetrating mode, the connecting plates (71) are connected to the surface, close to the second connecting holes (314), of the second connecting ends (62) in a sliding mode, and the connecting plates (71) can move in the direction away from the center line of the first connecting holes (621); the supporting bar (72) is arranged at one end of the connecting plate (71) far away from the first connecting hole (621), and the supporting bar (72) can be abutted with a baffle formed on the surface of one side of the ruler pasting block (31) far away from the second connecting end (62); the push rod (73) is arranged on the inner sides of the first connecting hole (621) and the plurality of connecting plates (71) in a sliding way, the push rod (73) comprises a driving part (731) and a connecting part (732) which are in contact with the inner sides of the connecting plates (71), and the driving part (731) is provided with a guide surface (733) which can enable the connecting plates (71) to move in the direction away from the central line of the first connecting hole (621); the stopper (74) is fixedly connected to one end of the connecting portion (732) away from the driving portion (731), and when the stopper (74) abuts against the upper surface of the second connecting end (62), the driving portion (731) abuts against the outer side of the connecting plate (71) and the inner wall of the second connecting hole (314).
6. The grating ruler mounting apparatus of claim 5, wherein: a plurality of limit protrusions (711) capable of elastically deforming are uniformly distributed on the outer wall of the connecting plate (71), and clamping grooves (315) for embedding the limit protrusions (711) are formed in the inner wall of the second connecting hole (314).
7. The grating ruler mounting apparatus of claim 5, wherein: the second connecting end (62) is provided with a chute (316) with a T-shaped section at the joint with the connecting plate (71), the connecting plate (71) is provided with a sliding block (712) matched with the chute (316) at the joint with the second connecting plate (71), and the connecting plate (71) is in sliding connection with the second connecting end (62) through the matching of the sliding block (712) and the chute (316); a first spring (317) is arranged in the sliding groove (316), one end of the first spring (317) is fixedly connected with the inner wall of the sliding groove (316), the other end of the first spring is fixedly connected with the sliding block (712), and the first spring (317) is used for enabling the connecting plate (71) to move in the direction close to the center line of the first connecting hole (621).
8. The grating ruler mounting apparatus of claim 5, wherein: the connecting part (732) is sleeved with a second spring (8), one end of the second spring (8) is fixedly connected with the upper surface of the second connecting end (62), the other end of the second spring is fixedly connected with the baffle block (74), and the second spring (8) is used for enabling the driving part (731) to be separated from the inner side of the connecting plate (71); the upper surface of the second connecting end (62) is provided with a U-shaped rod (9), two ends of the U-shaped rod (9) are respectively hinged with the upper surface of the second connecting end (62), and the bent inner side of the U-shaped rod (9) is abutted with a baffle block (74) to limit the reset sliding of the push rod (73); one end of the baffle block (74) close to the inner side of the U-shaped rod (9) in a bending way comprises an abutting surface (741) in a cambered surface shape and baffle surfaces (742) in a plane shape, the number of the abutting surfaces (741) is two, and the curvature center of the abutting surfaces (741) and the two hinges of the U-shaped rod (9) are in the same straight line; the blocking surface (742) is positioned between the two abutting surfaces (741), and the direction of the force applied to the blocking surface (742) by the inner side of the bend of the U-shaped rod (9) is parallel to the axial direction of the push rod (73).
9. A grating scale mounting method based on the grating scale mounting device according to any one of claims 1-8, characterized by comprising the steps of:
s1: mounting the tape block (31) on the bearing plate (3);
s2: one end of the grating ruler (11) is stuck on the connection starting position (12), and the other end of the grating ruler penetrates through the through hole (311) on the ruler sticking block (31);
s3: the bearing platform plate (3) moves along the length extending direction of the guide rail (2);
s4: when the bearing platform plate (3) moves to the tail end of the length extending direction of the guide rail (2), the grating ruler (11) which is already stuck on the base (1) is separated from the non-stuck grating ruler (11).
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3486942A (en) * | 1968-05-16 | 1969-12-30 | Ford Motor Co | Process for manufacturing battery plates |
| CN202994097U (en) * | 2012-12-31 | 2013-06-12 | 东莞市宏诚光学制品有限公司 | A grating ruler precision detector |
| CN204228106U (en) * | 2014-10-24 | 2015-03-25 | 中国科学院上海光学精密机械研究所 | A kind of grating scale sectional fixture |
| CN205703515U (en) * | 2016-04-25 | 2016-11-23 | 深圳安格锐电气有限公司 | It is applied to the accurate mounting structure of grating scale |
| CN208171176U (en) * | 2018-04-03 | 2018-11-30 | 珠海市怡信测量科技有限公司 | A kind of miniature linear grating sensor |
| CN110514234A (en) * | 2018-05-21 | 2019-11-29 | 中国科学院深圳先进技术研究院 | A kind of installs fixture of Circular gratings |
| CN212253977U (en) * | 2020-06-16 | 2020-12-29 | 苏州精濑光电有限公司 | Magnetic grid chi mounting structure and sharp drive module |
| CN213147711U (en) * | 2020-08-18 | 2021-05-07 | 苏州贝格纳工业设备有限公司 | Grating ruler reading head convenient to maintain |
-
2021
- 2021-08-31 CN CN202111011952.XA patent/CN113654467B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3486942A (en) * | 1968-05-16 | 1969-12-30 | Ford Motor Co | Process for manufacturing battery plates |
| CN202994097U (en) * | 2012-12-31 | 2013-06-12 | 东莞市宏诚光学制品有限公司 | A grating ruler precision detector |
| CN204228106U (en) * | 2014-10-24 | 2015-03-25 | 中国科学院上海光学精密机械研究所 | A kind of grating scale sectional fixture |
| CN205703515U (en) * | 2016-04-25 | 2016-11-23 | 深圳安格锐电气有限公司 | It is applied to the accurate mounting structure of grating scale |
| CN208171176U (en) * | 2018-04-03 | 2018-11-30 | 珠海市怡信测量科技有限公司 | A kind of miniature linear grating sensor |
| CN110514234A (en) * | 2018-05-21 | 2019-11-29 | 中国科学院深圳先进技术研究院 | A kind of installs fixture of Circular gratings |
| CN212253977U (en) * | 2020-06-16 | 2020-12-29 | 苏州精濑光电有限公司 | Magnetic grid chi mounting structure and sharp drive module |
| CN213147711U (en) * | 2020-08-18 | 2021-05-07 | 苏州贝格纳工业设备有限公司 | Grating ruler reading head convenient to maintain |
Non-Patent Citations (1)
| Title |
|---|
| 徐志伟等.基于嵌入式时栅技术的齿条位移检测单元.《仪表技术与传感器》.第39-42页. * |
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