CN216283365U - Precision driving device and three-coordinate measuring machine - Google Patents
Precision driving device and three-coordinate measuring machine Download PDFInfo
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- CN216283365U CN216283365U CN202122638905.XU CN202122638905U CN216283365U CN 216283365 U CN216283365 U CN 216283365U CN 202122638905 U CN202122638905 U CN 202122638905U CN 216283365 U CN216283365 U CN 216283365U
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Abstract
The utility model provides a precision driving device, which comprises a main bracket, a plate-shaped main body part, a first side part and a second side part, wherein the first side part is provided with a U-shaped plate and a first through hole, the second side part is provided with a mounting plate and a second through hole, a transmission assembly comprises a first U-shaped seat and a second U-shaped seat, the first U-shaped seat is fixedly connected with the U-shaped plate, the second U-shaped seat comprises a through hole corresponding to the first through hole, the opening directions of the first U-shaped seat and the second U-shaped seat are the same, the first U-shaped seat is also provided with a motor and a driving wheel, the second U-shaped seat is provided with a transmission wheel, the transmission belt penetrates through the through hole of the second U-shaped seat, the first through hole is sleeved on the driving wheel and the transmission wheel, the driving assembly comprises a driving roller and a pressing roller, the arrangement mode is adopted to ensure that the precision driving device can be stably maintained, particularly, the main bracket is easy to process while being stably maintained, The utility model also provides a three-coordinate measuring machine applying the precision driving device.
Description
Technical Field
The utility model relates to a precision driving device and a three-coordinate measuring machine using the precision driving device.
Background
The precision driving device is one of the core components of the three-coordinate measuring machine and is used for driving the upright post, the cross beam or the Z axis to move along X, Y or Z direction respectively.
In the precision driving device, generally including main support and the motor of setting on the main support, drive mechanism and drive assembly, drive assembly is the roll body of a pair of centre gripping steel sheet usually, and one of them roll body is connected with drive mechanism, and another roll body is connected with actuating mechanism to the pressure is held on the steel sheet, in order to guarantee the motor, the motion stability of drive mechanism and roll body, generally, the main support adopts integrated into one piece's structure, but this kind of structure processing degree of difficulty is big, installation and maintenance difficulty.
Disclosure of Invention
Therefore, the present invention provides a precision driving device to solve the above technical problems.
A precision driving device comprises a main bracket, a transmission assembly and a driving assembly, wherein the transmission assembly and the driving assembly are arranged on the main bracket:
the main support comprises a plate-shaped main body part, a first side part and a second side part, wherein the first side part and the second side part are arranged on two sides of the main body part, the first side part comprises a first through hole, the second side part comprises a second through hole, a U-shaped plate is arranged on the first side part, a pair of mounting plates arranged at intervals are arranged on the second side part, and the orientation of the U-shaped plate is opposite to that of the mounting plates;
the transmission assembly comprises a first U-shaped seat and a second U-shaped seat, wherein the first U-shaped seat is fixedly connected with the U-shaped plate, the second U-shaped seat comprises a through hole corresponding to the first through hole, the first U-shaped seat and the second U-shaped seat both comprise an opening direction, the opening directions of the first U-shaped seat and the second U-shaped seat are the same, the first U-shaped seat is also provided with a motor and a driving wheel, the second U-shaped seat is provided with a transmission wheel, and the transmission belt passes through the through hole of the second U-shaped seat and is sleeved on the driving wheel and the transmission wheel through the first through hole;
the driving assembly comprises a driving roller and a pressing roller, wherein the driving roller is arranged on the mounting plate and is connected with the driving wheel through a driven wheel and a transmission belt.
Furthermore, the main support comprises a first side surface and a second side surface, the U-shaped plate is arranged on the first side surface, the first U-shaped seat comprises a transverse plate and a pair of vertical plates extending from two ends of the transverse plate along the direction perpendicular to the surface of the transverse plate, the transverse plate and the vertical plates are integrally formed, the opening direction of the first U-shaped seat faces the first side surface, and the U-shaped plate is connected with one vertical plate.
Furthermore, the U-shaped plate is arranged between the pair of vertical plates and is overlapped with the vertical plate positioned above the U-shaped plate.
Furthermore, the second U-shaped seat comprises a transverse plate and a pair of vertical plates, the transverse plate and the vertical plates are integrally formed, the transverse plate of the second U-shaped seat is fixed on the second side face of the first side portion, the driving wheel is clamped between the two vertical plates of the second U-shaped seat, and the vertical plates of the second U-shaped seat correspond to the vertical plates of the first U-shaped seat in position.
Furthermore, a positioning groove is further formed in the second side face of the first side portion, and the second U-shaped seat is fixed in the positioning groove.
Further, a motor base is further arranged on the vertical plate of the first U-shaped seat and used for fixing the motor, the motor base comprises a seat ring plate used for installing the motor and a seat plate, and the seat plate is vertically arranged on two sides of the seat ring plate.
Furthermore, the U-shaped plate comprises a first mounting surface, a screw hole is formed in the first mounting surface, a through hole is formed in the position corresponding to the first side portion, and the U-shaped plate is fixed in a mode that a bolt penetrates through the through hole and is connected with the screw hole.
Furthermore, at least two positioning holes are formed in the first mounting surface, the same number of positioning holes are formed in the positions corresponding to the first side surface of the first side portion, and positioning columns are arranged in the positioning holes corresponding to the first mounting surface and the first side portion.
Further, the compression roller mobilizable move to the drive roll direction, drive assembly still including actuating the device, the device that actuates include cylinder and sliding seat, the sliding seat include the branch that stretches out from the sliding seat both sides, compression roller pivoted set up on branch, an at least spring setting is between cylinder and second side, the sliding seat set up in the second through-hole.
The utility model also provides a three-coordinate measuring machine which comprises the precise driving device.
Has the advantages that: the utility model provides a precision driving device, which comprises a main bracket, a transmission assembly and a driving assembly, wherein the main bracket comprises a plate-shaped main body part, a first side part and a second side part, the first side part comprises a first through hole, the second side part comprises a second through hole, a U-shaped plate is arranged at the first side part, a pair of mounting plates arranged at intervals are arranged at the second side part, the orientation of the U-shaped plate and the mounting plates is opposite, the transmission assembly comprises a first U-shaped seat and a second U-shaped seat, wherein the first U-shaped seat is fixedly connected with the U-shaped plate, the second U-shaped seat comprises a third through hole corresponding to the first through hole, the opening directions of the first U-shaped seat and the second U-shaped seat are the same, a motor and a driving wheel are also arranged on the first U-shaped seat, a transmission wheel is arranged on the second U-shaped seat, the transmission belt passes through the through hole of the second U-shaped seat, the first through hole is sleeved on the driving wheel and the transmission wheel, the driving assembly comprises a driving roller and a pressing roller, the driving roller is arranged on the mounting plate and is connected with the driving wheel through the driven wheel and the driving belt, the precision driving device can be stably kept by adopting the arrangement mode, and particularly the main support is easy to machine, assemble and maintain while keeping stable.
Drawings
FIG. 1 is an exploded view of a precision drive apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the main support structure of FIG. 1;
description of the illustrated elements:
a main support 10; a main body portion 11; a first side 111; a second side 112; a first side portion 12; a first through-hole 121; a positioning groove 122; a second side portion 13; a second through hole 131; a U-shaped plate 14; a U-shaped groove 141; positioning holes 143; a mounting plate 15; mounting holes 151; positioning posts 16, 17; bolts 18,19, 54; a first U-shaped seat 20; a motor base 21; a seat ring plate 211; a seat plate 212; a motor 22; a driving wheel 23; a second U-shaped seat 30; a transmission wheel 31; a driven pulley 41; a drive roller 42; a movable seat 50; a central bore 501; a press roller 51; a cylinder 52; a spring 53.
Detailed Description
Referring to fig. 1-2 in combination, embodiments of the present invention provide a precision drive apparatus, typically disposed on a coordinate measuring machine, for driving a column, beam or Z-axis column of the coordinate measuring machine in a predetermined direction, as will be further described with reference to the drawings.
Meanwhile, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The precision driving device comprises a main support 10, and a transmission assembly and a driving assembly which are arranged on the main support 10.
The main support 10 is substantially in the shape of a plate, and includes a main body 11, and a first side portion 12 and a second side portion 13 located at two sides of the main body 11, wherein the first side portion 12 and the second side portion 13 are rectangular and are respectively disposed in the diagonal direction of the main body 11, that is, when the first side portion 12 is disposed at the lower left of the main body 11, the second side portion 13 is disposed at the upper right of the main body 11, the first side portion 12 includes a first through hole 121 penetrating the thickness direction of the first side portion 12, and the second side portion 13 includes a second through hole 131 penetrating the thickness direction of the second side portion 13.
The main support 10 further includes a first side surface 111 and a second side surface 112 facing away from the main support, in fig. 2, the first side surface 111 faces away from the paper surface, the second side surface 112 faces toward the front of the paper surface, a U-shaped plate 14 is disposed on the first side surface 111 of the first side portion 12, the U-shaped plate 14 includes a U-shaped groove 141, the U-shaped groove 141 includes a notch and a groove bottom, wherein the notch has an opening facing away from the first side surface 111, the groove bottom is adjacent to the first side surface 111, the U-shaped plate 14 includes a first mounting surface adjacent to the groove bottom, and the first mounting surface is fixed on the first side surface 111.
Specifically, the first mounting surface is provided with a screw hole, a through hole is provided at a position corresponding to the first side portion 12, the U-shaped plate 14 is fixed by a bolt 18 passing through the through hole and being connected with the screw hole, preferably, the first mounting surface is provided with at least two positioning holes 143, the same positioning holes (not shown) are provided at positions corresponding to the first side surface 111 of the first side portion 12, and positioning posts 16 are provided in the positioning holes corresponding to the first mounting surface and the first side portion 12, it can be understood that the shape and size of the positioning posts 16 are matched with the shape and size of the positioning holes 143, so that the position of the U-shaped plate 14 is defined by the positioning posts 16 on one hand, and the U-shaped plate 14 is kept fastened and in a vertical state by matching the positioning posts 16 and the positioning holes 143 on the other hand.
It will be appreciated that the plate surface of the U-shaped plate 14 is perpendicular to the first side 111.
A pair of mounting plates 15 are provided at an interval on the second side surface 112 of the second side portion 13, the mounting plates 15 are provided with mounting holes 151 penetrating through the mounting plates 15 in the thickness direction, the mounting plates 15 include a second mounting surface, similarly, screw holes and positioning holes 143 are provided on the second mounting surface, through holes and positioning holes are provided on the second side surface 112 of the second side portion 13, and the mounting plates 15 are fixed on the second side surface 112 by positioning posts 17 and bolts 19.
It will be understood that the plate surface of the mounting plate 15 is perpendicular to the second side surface 112, the plate surface of the mounting plate 15 is parallel to the plate surface of the U-shaped plate 14, the pair of mounting plates 15 are arranged in parallel and spaced apart, and the second through hole 131 is arranged between the pair of mounting plates 15.
The transmission assembly comprises a first U-shaped seat 20 and a second U-shaped seat 30, wherein the first U-shaped seat 20 is used for fixing the power device and the driving wheel 23, the second U-shaped seat 30 is used for fixing the driving wheel 31, a transmission belt is sleeved on the driving wheel 23 and the driving wheel 31, the driving wheel 31 comprises a large wheel and a small wheel which are coaxially and fixedly arranged, the driving wheel 23 is connected with the large wheel, and the small wheel is connected with the driven wheel 41, so that the speed reduction effect is realized.
In this embodiment, the first U-shaped seat 20 includes a horizontal plate and vertical plates extending from two ends of the horizontal plate along a direction perpendicular to a surface of the horizontal plate, the horizontal plate and the vertical plates are integrally formed, so that the first U-shaped seat 20 is a U-shaped seat with an opening, the opening direction of the U-shaped plate 14 faces the first side surface 111 and is fixed on the U-shaped plate 14, specifically, the vertical plates and the U-shaped plate 14 are stacked and fixed by bolts 18, preferably, the U-shaped plate 14 is inserted between the two vertical plates and stacked and fixed with the vertical plates located above.
The vertical plate is further provided with a through hole, the driving wheel 23 comprises a wheel shaft, two ends of the wheel shaft are rotatably arranged in the through hole, the position of the U-shaped groove 141 corresponds to the position of the through hole, and the width of the U-shaped groove 141 is larger than or equal to the aperture of the through hole in the vertical plate, so that the driving wheel and the wheel shaft have enough space.
The vertical plate is further provided with a motor seat 21 for fixing the motor 22, the motor seat 21 comprises a seat ring plate 211 for mounting the motor 22 and seat plates 212, the seat plates 212 are vertically arranged on two sides of the seat ring plate 211 and are connected to the vertical plate along the vertical direction, each seat ring plate 211 comprises a through hole for penetrating through a shaft of the motor 22, and a coupler is arranged between the pair of seat plates 212 and is connected with the shaft of the motor 22 and a wheel shaft.
It can be understood that the seat ring plate 211 is parallel to the vertical plate, and the through hole of the seat ring plate 211 is coaxial with the through hole of the vertical plate.
The structure of the second U-shaped seat 30 is substantially the same as that of the first U-shaped seat 20, and includes a horizontal plate and vertical plates extending from two ends of the horizontal plate along a direction perpendicular to the surface of the horizontal plate, the horizontal plate and the vertical plates are integrally formed, so that the second U-shaped seat 30 is also in a U shape having an opening, the opening direction of the second U-shaped seat 30 deviates from the second side surface 112, that is, the opening direction of the second U-shaped seat 30 is the same as that of the first U-shaped seat 20, the horizontal plate of the second U-shaped seat 30 is fixed on the second side surface 112 of the first side portion 12, and the driving wheel 31 is clamped between the two vertical plates of the second U-shaped seat 30.
Preferably, the vertical plate of the second U-shaped seat 30 corresponds to the vertical plate of the first U-shaped seat 20 in position, so that the two are stressed in the same position and in opposite directions, thereby reducing the probability of deformation of the second side portion 13 and improving the stability of the main support 10.
The transverse plate of the second U-shaped seat 30 is further provided with a through hole, the size and the position of the through hole correspond to those of the first through hole 121, and a transmission belt sleeved on the driving wheel 23 and the transmission wheel 31 penetrates through the through hole on the second U-shaped seat 30 and the first through hole 121.
Further, the second side 112 of the first side portion 12 is further provided with a positioning groove 122, and the second U-shaped seat 30 is fixed in the positioning groove 122.
In addition, the driving wheel 31 comprises a wheel axle, and a through hole for fixing the wheel axle of the driving wheel 31 is arranged on the vertical plate of the second U-shaped seat 30.
The driving assembly comprises a driving roller 42 and a press roller 51 which can move towards the driving roller 42, wherein the driving roller 42 is arranged on the mounting plate 15 and is connected with the driving wheel 31 through a driven wheel 41 and a transmission belt.
Specifically, there are a pair of the mounting plates 15, the mounting plates 15 are arranged in parallel at intervals, the driving roller 42 includes a roller shaft, the roller shaft is arranged on the mounting plates 15 in a straddling manner, the roller shaft is further provided with a driven wheel 41, and a driving belt is sleeved on the driven wheel 41 and the driving wheel 31, so that when the motor 22 rotates, the driving roller 42 is driven to rotate by the driving wheel 23, the driving wheel 31 and the driven wheel 41.
In addition, it can be understood that the transmission belt is sleeved on the small wheel of the transmission wheel 31 and the driven wheel 41.
The press roller 51 can move towards the driving roller 42, so that the press roller 51 and the driving roller 42 can clamp a fixed object, such as a steel strip, and the precision driving device moves along the extending direction of the steel strip.
Specifically, the driving assembly includes an actuating device, the actuating device includes an air cylinder 52 and a movable seat 50, the air cylinder 52 includes a cylinder body and a piston, the movable seat 50 includes support rods extending from two sides of the movable seat 50, the pressure roller 51 is rotatably disposed on the support rods, the movable seat 50 includes a central hole 501, a bolt 54 passes through the central hole 501 to fix the movable seat 50 on the piston of the air cylinder 52, and when the piston of the air cylinder 52 moves, the movable seat 50 moves along with the piston.
Further, the movable seat 50 is arranged in the second through hole 131 in a penetrating manner, so that when the piston moves, the movable seat 50 penetrates through the second through hole 131, and the pressing roller 51 on the movable seat 50 abuts against the steel belt.
Further, the second side portion 13 further comprises a guide device to allow the movable seat 50 to move along a direction defined by the guide device, and preferably, the guide device is a guide groove.
Further, at least one spring 53 is provided between the cylinder 52 and the second side portion 13 to provide a damping effect by the spring 53 when the pressing roller 51 abuts against the steel strip and applies pressure.
The utility model also provides a three-coordinate measuring machine which comprises the precision driving device.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A precise driving device comprises a main bracket, a transmission component and a driving component which are arranged on the main bracket, and is characterized in that,
the main support comprises a plate-shaped main body part, a first side part and a second side part, wherein the first side part and the second side part are arranged on two sides of the main body part, the first side part comprises a first through hole, the second side part comprises a second through hole, a U-shaped plate is arranged on the first side part, a pair of mounting plates arranged at intervals are arranged on the second side part, and the orientation of the U-shaped plate is opposite to that of the mounting plates;
the transmission assembly comprises a first U-shaped seat and a second U-shaped seat, wherein the first U-shaped seat is fixedly connected with the U-shaped plate, the second U-shaped seat comprises a through hole corresponding to the first through hole, the first U-shaped seat and the second U-shaped seat both comprise an opening direction, the opening directions of the first U-shaped seat and the second U-shaped seat are the same, the first U-shaped seat is also provided with a motor and a driving wheel, the second U-shaped seat is provided with a transmission wheel, and the transmission belt passes through the through hole of the second U-shaped seat and is sleeved on the driving wheel and the transmission wheel through the first through hole;
the driving assembly comprises a driving roller and a pressing roller, wherein the driving roller is arranged on the mounting plate and is connected with the driving wheel through a driven wheel and a transmission belt.
2. The precision driving device as claimed in claim 1, wherein the main bracket includes a first side surface and a second side surface, the U-shaped plate is disposed on the first side surface, the first U-shaped seat includes a horizontal plate and a pair of vertical plates extending from two ends of the horizontal plate along a direction perpendicular to a surface of the horizontal plate, the horizontal plate and the vertical plates are integrally formed, an opening of the first U-shaped seat faces the first side surface, and the U-shaped plate is connected to one of the vertical plates.
3. The precision driving device as claimed in claim 2, wherein the U-shaped plate is disposed between a pair of vertical plates and overlapped with the vertical plate located above.
4. The precision driving device as claimed in claim 2, wherein the second U-shaped seat comprises a horizontal plate and a pair of vertical plates, the horizontal plate and the vertical plates are integrally formed, the horizontal plate of the second U-shaped seat is fixed on the second side surface of the first side portion, the driving wheel is clamped between the two vertical plates of the second U-shaped seat, and the vertical plates of the second U-shaped seat correspond to the vertical plates of the first U-shaped seat.
5. The precision drive apparatus of claim 2 wherein the second side of the first side further comprises a positioning slot, and the second U-shaped seat is fixed in the positioning slot.
6. The precision driving device as claimed in claim 2, wherein the vertical plate of the first U-shaped seat is further provided with a motor seat for fixing the motor, the motor seat comprises a seat ring plate for mounting the motor and a seat plate, and the seat plate is vertically arranged on two sides of the seat ring plate.
7. The precision drive apparatus of claim 2 wherein said U-shaped plate includes a first mounting surface having a threaded hole formed therein, said first side portion having a through hole formed therein at a location corresponding thereto, said U-shaped plate being secured by a bolt passing through said through hole and engaging said threaded hole.
8. The precision driving device as claimed in claim 7, wherein at least two positioning holes are formed on the first mounting surface, the same number of positioning holes are formed in the first side surface of the first side portion, and positioning posts are disposed in the positioning holes of the first mounting surface corresponding to the first side portion.
9. The precision driving device as claimed in claim 2, wherein the pressing roller is movable toward the driving roller, the driving assembly further comprises an actuating device, the actuating device comprises a cylinder and a movable seat, the movable seat comprises a supporting rod extending from two sides of the movable seat, the pressing roller is rotatably disposed on the supporting rod, at least one spring is disposed between the cylinder and the second side portion, and the movable seat is disposed in the second through hole.
10. A three coordinate measuring machine comprising a precision drive assembly according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638905.XU CN216283365U (en) | 2021-10-29 | 2021-10-29 | Precision driving device and three-coordinate measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638905.XU CN216283365U (en) | 2021-10-29 | 2021-10-29 | Precision driving device and three-coordinate measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216283365U true CN216283365U (en) | 2022-04-12 |
Family
ID=81003134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122638905.XU Active CN216283365U (en) | 2021-10-29 | 2021-10-29 | Precision driving device and three-coordinate measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216283365U (en) |
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2021
- 2021-10-29 CN CN202122638905.XU patent/CN216283365U/en active Active
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