CN111791162A - Positioning device and curved surface measuring equipment - Google Patents
Positioning device and curved surface measuring equipment Download PDFInfo
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- CN111791162A CN111791162A CN202010718376.1A CN202010718376A CN111791162A CN 111791162 A CN111791162 A CN 111791162A CN 202010718376 A CN202010718376 A CN 202010718376A CN 111791162 A CN111791162 A CN 111791162A
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- positioning
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- mounting seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- Mechanical Engineering (AREA)
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Abstract
The invention provides a positioning device, which comprises a mounting seat, a first positioning assembly and a second positioning assembly, wherein the first positioning assembly comprises a first driving piece, a first positioning piece and a second positioning piece; the second positioning assembly comprises a second driving piece, a stop piece and a third positioning piece, the stop piece is fixedly arranged at one end of the mounting seat, the third positioning piece is arranged at the other end of the mounting seat, and the second driving piece can drive the third positioning piece to move relative to the mounting seat. The positioning device can simply and reliably carry out automatic positioning and installation on the workpiece. The invention also provides curved surface measuring equipment, and workpieces can be automatically positioned and installed and are convenient to measure.
Description
Technical Field
The invention relates to the technical field of positioning devices, in particular to a positioning device and curved surface measuring equipment.
Background
The measuring device usually needs a positioning device to position and install the workpiece to be measured before measuring the workpiece, so that the measuring accuracy is ensured while the measuring operation is convenient. When the existing positioning device is used for positioning and installing a workpiece, the workpiece is usually clamped at a preset position, the positioning and installing operation is difficult, and particularly, the positioning of the workpiece with a curved surface structure needs to be improved.
Disclosure of Invention
The invention provides a positioning device and curved surface measuring equipment aiming at the problems, which can solve the problem of difficult positioning and installation.
The present invention provides a positioning device, comprising:
the mounting seat is used for mounting a workpiece;
the first positioning component comprises a first driving part, a first positioning part and a second positioning part, the first positioning part and the second positioning part are respectively arranged at two opposite ends of the mounting seat, and the first driving part can drive at least one of the first positioning part and the second positioning part to move relative to the other one so as to clamp a workpiece on the mounting seat;
the second positioning assembly comprises a second driving piece, a stop piece and a third positioning piece, the stop piece is fixedly arranged at one end of the mounting seat, the third positioning piece is arranged at the other end of the mounting seat relative to the stop piece, a connecting line of the stop piece and the third positioning piece and a connecting line of the first positioning piece and the second positioning piece form an angle, and the second driving piece can drive the third positioning piece to move relative to the mounting seat so as to push the workpiece to adjust the position.
In one embodiment, the positioning device further comprises:
the abutting piece and the first elastic piece;
wherein, support one in the piece sliding connection first locating part, second locating part to set up towards one side of another, the piece is supported in the connection of the one end of first elastic component, and one in the first locating part, the second locating part is connected to the other end, and first locating part or second locating part can drive through first elastic component and support the piece and support the work piece.
In one embodiment, the positioning device further includes a second elastic member, one end of the second elastic member is connected to the output end of the second driving member, the other end of the second elastic member is connected to the third positioning member, and the second driving member can drive the third positioning member to abut against the workpiece through the second elastic member.
In one embodiment, a limiting member is further disposed between the first positioning member and the second positioning member, the stopping member is fixedly disposed on the limiting member, a length of the limiting member along a direction from the first positioning member to the second positioning member is greater than a length of the mounting base along a direction from the first positioning member to the second positioning member, and the limiting member can limit the first positioning member or the second positioning member from moving toward the mounting base.
In one embodiment, the end of the limiting member facing the first positioning member and/or the second positioning member is further provided with a first limiting part; the positioning device further comprises a first buffer piece, the first buffer piece is connected to the limiting piece, the first buffer piece is close to the adjacent first positioning piece and/or second positioning piece relative to the first limiting portion, and the first buffer piece and the first limiting portion can buffer and limit the movement of the first positioning piece and/or second positioning piece towards the mounting seat.
In one embodiment, the positioning device further comprises an adsorption component, the adsorption component is connected with the mounting seat, and the adsorption component can adsorb and fix the workpiece on the mounting seat.
In one embodiment, the positioning device further comprises a first lifting assembly, the first lifting assembly comprising:
a third driving member and a connecting seat;
the output end of the third driving piece is connected to the connecting seat, the first driving piece is fixedly connected with the connecting seat, and the third driving piece can drive the connecting seat to ascend and descend relative to the mounting seat so as to adjust the positions of the first positioning piece and the second positioning piece relative to the mounting seat.
In one embodiment, the positioning device further comprises a second lifting assembly, the second lifting assembly comprising:
a transfer seat;
the fourth driving piece is fixedly connected with the adapter;
the connecting piece is connected with the adapter in a sliding manner, one end of the connecting piece is connected with the output end of the fourth driving piece, and the other end of the connecting piece is fixedly connected with the second driving piece;
the fourth driving piece can drive the connecting piece to slide along the adapter, and the connecting piece can drive the second driving piece to lift relative to the mounting base so as to adjust the position of the third positioning piece relative to the mounting base.
In one embodiment, the positioning device further comprises a supporting component, wherein the supporting component comprises a first supporting piece, a second supporting piece and a third supporting piece;
the first bearing piece, the second bearing piece and the third bearing piece are respectively arranged on one side, close to the mounting seat, of the first positioning piece, the second positioning piece and the stop piece and extend towards the mounting seat, and the first bearing piece, the second bearing piece and the third bearing piece can bear a workpiece separated from the mounting seat.
According to the positioning device provided by the invention, the mounting seat is used for mounting a workpiece, the first positioning piece and the second positioning piece are respectively arranged at two opposite ends of the mounting seat, and the first driving piece can drive at least one of the first positioning piece and the second positioning piece to move relative to the other one, so that the first positioning piece and the second positioning piece can clamp the workpiece on the mounting seat, and the workpiece is fixed relative to the mounting seat; meanwhile, the stop piece is arranged at one end of the mounting seat, the third positioning piece is arranged at the other end of the mounting seat relative to the stop piece, a connecting line of the stop piece and the third positioning piece and a connecting line of the first positioning piece and the second positioning piece form an angle, the second driving piece can drive the third positioning piece to move towards the mounting seat and enable the third positioning piece to push the workpiece, so that the position of the workpiece on the mounting seat is adjusted, the stop piece can prevent the workpiece on the mounting seat from being pushed down, and the reliability of positioning operation is improved; and then positioner can simply, reliably carry out the automatic positioning installation to the work piece, be favorable to promoting work efficiency.
The invention also provides curved surface measuring equipment which comprises a carrier assembly and the positioning device, wherein the positioning device is connected to the carrier assembly.
According to the curved surface measuring equipment provided by the invention, the positioning device is arranged, so that the workpiece can be automatically positioned and installed, and the workpiece can be conveniently measured.
Drawings
FIG. 1 is a schematic structural diagram of a positioning device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the positioning device shown in FIG. 1 from another perspective;
FIG. 3 is an enlarged view of a portion of the positioning device shown in FIG. 2 at A;
fig. 4 is a schematic structural diagram of the positioning apparatus shown in fig. 1 from another view angle.
Description of the reference numerals
100. A positioning device; 10. a mounting seat; 11. an adsorption component; 20. a first positioning assembly; 21. a first positioning member; 22. a second positioning member; 23. a first driving member; 24. an abutting member; 25. a first elastic member; 26. a limiting member; 261. a first limiting part; 27. a first buffer member; 30. a first lifting assembly; 31. a third driving member; 32. a fixed seat; 33. a connecting seat; 40. a second positioning assembly; 41. a second driving member; 42. a third positioning member; 421. a positioning part; 422. a sliding part; 43. a stopper; 44. a second elastic member; 45. an adapter; 50. a second lifting assembly; 51. a fourth drive; 52. a transfer seat; 521. a second buffer member; 522. a third buffer member; 523. a second limiting part; 524. a third limiting part; 53. a connecting member; 531. a first abutting portion; 532. a second abutting portion; 60. a holding assembly; 61. a first support; 62. a second support; 63. a third bearing member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. 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. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In order to solve the technical problem that the positioning device in the prior art is difficult to position a workpiece, the invention provides a positioning device, which comprises: the mounting seat, the first positioning component and the second positioning component; the mounting seat is used for mounting a workpiece, the first positioning component comprises a first driving piece, a first positioning piece and a second positioning piece, the first positioning piece and the second positioning piece are respectively arranged at two opposite ends of the mounting seat, and the first driving piece can drive at least one of the first positioning piece and the second positioning piece to move relative to the other one so as to clamp the workpiece on the mounting seat; the second positioning assembly comprises a second driving piece, a stop piece and a third positioning piece, the stop piece is fixedly arranged at one end of the mounting seat, the third positioning piece is arranged at the other end of the mounting seat relative to the stop piece, a connecting line of the stop piece and the third positioning piece and a connecting line of the first positioning piece and the second positioning piece form an angle, and the second driving piece can drive the third positioning piece to move relative to the mounting seat so as to push the workpiece to adjust the position. As described in detail below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a positioning device according to an embodiment of the present invention. The invention provides a positioning device 100, wherein the positioning device 100 is usually arranged in measuring equipment and is used for positioning and installing a workpiece, so that the workpiece can be conveniently measured.
In the present embodiment, the positioning device 100 is disposed on a curved surface measuring apparatus, and is used for positioning and mounting a curved surface workpiece, such as a workpiece like 3D curved surface glass, VR glasses, etc.; it is understood that, in other embodiments, the positioning apparatus 100 may be disposed in other measuring devices and used for positioning other planar workpieces, and is not limited in particular.
The positioning device 100 comprises a mounting seat 10, a first positioning component 20, a first lifting component 30, a second positioning component 40 and a second lifting component 50, wherein the mounting seat 10 is surrounded by the first positioning component 20 and the second positioning component 40, the first lifting component 30 is connected with the first positioning component 20, and the second lifting component 50 is connected with the second positioning component 40; the mounting seat 10 is used for mounting a workpiece, the first positioning component 20 and the second positioning component 40 are used for realizing position adjustment and mounting fixation of the workpiece, the first lifting component 30 is used for adjusting the position of the first positioning component 20, and the second lifting component 50 is used for adjusting the position of the second positioning component 40.
In the present embodiment, the shape of the mounting seat 10 is substantially rectangular, and the rectangular mounting seat 10 can be adapted to mount most workpieces; it is understood that in other embodiments, the shape of the mounting seat 10 may be other regular or irregular shapes according to different working conditions.
In the present embodiment, since the positioning device 100 is disposed in the curved surface measuring apparatus, the surface of the mounting base 10 has a curved surface radian, and is matched with the radian of the curved surface workpiece to be measured, so that the workpiece to be measured can be attached to the mounting base 10, thereby improving the mounting reliability; it is understood that in other embodiments, the mounting base 10 may also be a planar structure, since the positioning apparatus 100 may also be applied to other measuring devices.
The positioning device 100 further comprises an adsorption component 11, the adsorption component 11 is connected to the mounting seat 10, and the adsorption component 11 can adsorb and fix the workpiece to be detected to the surface of the mounting seat 10, so that the workpiece to be detected is fixedly mounted relative to the mounting seat 10. In the present embodiment, the adsorption component 11 is a suction cup, which is convenient for obtaining materials and can generate a large suction force, so that the workpiece to be measured can be stably fixed to the mounting base 10; it is understood that in other embodiments, the suction assembly 11 may be other elements having a suction function.
In the embodiment, the number of the suckers is three, and the three suckers can meet the suction requirement under most working conditions, and meanwhile, the investment cost is reduced; it is understood that in other embodiments, other numbers of suction cups may be provided to meet different conditions.
The first positioning component 20 includes a first positioning component 21, a second positioning component 22 and a first driving component 23, the first positioning component 21 and the second positioning component 22 are both connected to the first driving component 23, the first positioning component 21 and the second positioning component 22 are used for clamping a workpiece to be positioned, and the first driving component 23 is used for providing driving force for the first positioning component 21 and/or the second positioning component 22.
Specifically, the first positioning element 21 is disposed at one end of the mounting seat 10, the second positioning element 22 is disposed at the other end of the mounting seat 10 and is disposed opposite to the first positioning element 21, and the first driving element 23 can drive at least one of the first positioning element 21 and the second positioning element 22 to move relative to the other, so that the first positioning element 21 and the second positioning element 22 can clamp and position the workpiece on the mounting seat 10 together.
In the embodiment, the first driving element 23 can drive the first positioning element 21 and the second positioning element 22 to move together, that is, the first positioning element 21 and the second positioning element 22 can move relative to the mounting seat 10, so as to expand the positioning range of the first positioning element 20 relative to the mounting seat 10, and facilitate the positioning device 100 to better position the workpiece; it is understood that, in other embodiments, the first driving element 23 may drive only one of the first positioning element 21 and the second positioning element 22 to move relative to the mounting base 10 according to different working conditions.
In the present embodiment, the shape of the first positioning member 21 and the second positioning member 22 are two plate-like bodies spaced substantially in parallel, and the plate-like first positioning member 21 and the plate-like second positioning member 22 can apply a force to the workpiece better, so that the workpiece can be clamped and positioned better, the workpiece can be prevented from falling off, and the reliability of the positioning device 100 can be improved; it is understood that in other embodiments, the shape of the first positioning member 21 and the shape of the second positioning member 22 may be different, and the shape of the first positioning member 21 and the shape of the second positioning member 22 may be other curved, regular or irregular shapes.
The positioning device 100 further comprises an abutting piece 24 and a first elastic piece 25, the abutting piece 24 is slidably connected with one of the first positioning piece 21 and the second positioning piece 22 and is arranged towards one side of the other, one end of the first elastic piece 25 is connected with the abutting piece 24, the other end of the first elastic piece 25 is connected with the first positioning piece 21 or the second positioning piece 22, and the first positioning piece 21 or the second positioning piece 22 can drive the abutting piece 24 to abut against the workpiece through the first elastic piece 25; therefore, under the action of the elastic force of the first elastic member 25, when the abutting force of the abutting member 24 on the workpiece is too large, the abutting member 24 can slide relative to the first positioning member 21 or the second positioning member 22, and the abutting member 24 can softly abut against the workpiece, so that the workpiece is prevented from being damaged due to the too large abutting force, and the positioning device 100 is beneficial to protecting the workpiece.
In the present embodiment, the abutting piece 24 and the first elastic piece 25 are provided in the second positioning piece 22; it is understood that, in other embodiments, the abutting member 24 and the first elastic member 25 may also be disposed in the first positioning member 21, or both the first positioning member 21 and the second positioning member 22 are disposed with the abutting member 24 and the first elastic member 25.
In the present embodiment, the first elastic member 25 is a spring, which has the advantages of easily available materials, low price, superior elastic performance, etc.; it is understood that in other embodiments, the first elastic member 25 may be made of other elastic materials such as rubber.
In this embodiment, the first driving member 23 is an air cylinder, the air cylinder has a first moving end and a second moving end, the first moving end is fixedly connected to the first positioning member 21, and the second moving end is fixedly connected to the second positioning member 22, so that the air cylinder can control the first positioning member 21 and the second positioning member 22 to move respectively through the first moving end and the second moving end, so that the first positioning member 21 and the second positioning member 22 can clamp and position the workpiece; meanwhile, the driving force provided by the cylinder is relatively stable, which is beneficial for the positioning device 100 to stably clamp the workpiece; it will be appreciated that in other embodiments, the first drive member 23 may alternatively be an electric motor or other power source.
The positioning device 100 further includes a limiting member 26, the limiting member 26 is disposed between the first positioning member 21 and the second positioning member 22, both an end of the limiting member 26 facing the first positioning member 21 and an end of the second positioning member 22 are provided with a first limiting portion 261, and a length of the limiting member 26 along a direction from the first positioning member 21 to the second positioning member 22 is greater than a length of the mounting base 10 along a direction from the first positioning member 21 to the second positioning member 22, the first limiting portion 261 of the limiting member 26 can limit a movement of the first positioning member 21 or the second positioning member 22 facing the mounting base 10 by abutting against the first positioning member 21 and the second positioning member 22, so as to prevent the workpiece from being easily damaged due to an excessively large clamping force applied by the first positioning member 21 and the second positioning member 22 to the workpiece, further improve stability of the positioning device 100, and facilitate normal operation of the positioning device 100.
It is understood that, in another embodiment, since the first driving member 23 drives one of the first positioning member 21 and the second positioning member 22 to move toward the other, the limiting member 26 may be provided with the first limiting portion 261 only at one end facing the movable first positioning member 21 or the movable second positioning member 22, so that the first limiting portion 261 can limit the movable first positioning member 21 or the movable second positioning member 22.
The positioning device 100 further includes a first buffer 27, wherein the first buffer 27 is used for buffering the relative movement of the first positioning element 21 and the second positioning element 22. Specifically, the first buffer 27 is disposed close to the adjacent first positioning element 21 and/or the adjacent second positioning element 22 relative to the first limiting portion 261, so that when the first positioning element 21 and the second positioning element 22 move toward the mounting base 10, the first positioning element 21 and the second positioning element 22 can abut against the first buffer 27 before abutting against the limiting element 26, so that the first buffer 27 can buffer the movement of the first positioning element 21 and the second positioning element 22, and prevent the first positioning element 21 and the second positioning element 22 from being damaged due to an excessive abutting force, thereby protecting the first positioning element 21 and the second positioning element 22, and facilitating the normal operation of the positioning device 100.
In this embodiment, since the first positioning element 21 and the second positioning element 22 can both move relative to the mounting base 10, and the two ends of the positioning element 26 are both provided with the first limiting portions 261, the number of the first buffering elements 27 is two, the two first buffering elements 27 are respectively arranged corresponding to the first positioning element 21 and the second positioning element 22, and the two first buffering elements 27 are respectively close to the adjacent first positioning element 21 and the second positioning element 22 relative to the different first limiting portions 261, so that the two first buffering elements 27 can respectively buffer the movement of the first positioning element 21 and the second positioning element 22; it is understood that, in other embodiments, since only one of the first positioning element 21 and the second positioning element 22 can move relative to the mounting base 10, the limiting element 26 is provided with the first limiting portion 261 only at one end facing the movable first positioning element 21 or the movable second positioning element 22, so that the number of the first buffering elements 27 is set to be one, and the first buffering elements 27 are close to the adjacent first positioning element 21 or the adjacent second positioning element 22 relative to the first limiting portion 261, so that the first buffering elements 27 can buffer the movement of the first positioning element 21 or the second positioning element 22.
In the present embodiment, the first cushion member 27 is a member having a cushion structure; it is to be understood that, in other embodiments, the first cushion member 27 may be a cushion member made of a material such as rubber, and is not particularly limited as long as the cushion effect can be achieved.
Referring to fig. 2, fig. 2 is a schematic structural view of the positioning apparatus shown in fig. 1 from another perspective. The first lifting assembly 30 comprises a third driving member 31, a fixed seat 32 and a connecting seat 33, the third driving member 31 is connected with the fixed seat 32, the connecting seat 33 is connected with the third driving member 31, and the first driving member 23 is connected with the connecting seat 33; the third driving member 31 provides a power source for the first lifting assembly 30, the fixing seat 32 is used for installing the third driving member 31, and the connecting seat 33 is used for driving the first driving member 23 to lift.
Specifically, the fixing seat 32 is fixed to the surrounding devices, and the third driving member 31 is fixedly connected to the fixing seat 32; the connecting seat 33 is fixedly connected to the output end of the third driving member 31, and the first driving member 23 is fixedly connected to the connecting seat 33; therefore, the third driving member 31 can drive the connecting seat 33 to move relative to the mounting seat 10, the connecting seat 33 drives the first driving member 23 to move together, and then the first positioning member 21 and the second positioning member 22 connected to the output end of the first driving member 23 move along with the first positioning member 21 and the second positioning member 22, so as to further adjust the positions of the first positioning member 21 and the second positioning member 22 relative to the mounting seat 10, so that the first positioning member 21 and the second positioning member 22 can clamp a workpiece at a proper position, which is favorable for the use of the positioning device 100. .
In the embodiment, the third driving member 31 is fixedly connected with the fixed seat 32 through the threaded fastener, so that the third driving member 31 has better connection stability with the fixed seat 32, and meanwhile, the third driving member and the fixed seat are convenient to detach and replace; it is understood that, in other embodiments, the third driving element 31 and the fixed seat 32 may be fixed by other methods such as welding.
In the present embodiment, the third driver 31 is a cylinder; it will be appreciated that in other embodiments, the third driving member 31 may be other power sources such as an electric motor.
The second positioning assembly 40 includes a second driving member 41, a third positioning member 42 and a stop member 43, wherein the third positioning member 42 is connected to the second driving member 41; the second driving member 41 provides a driving force for the movement of the third positioning member 42, the third positioning member 42 is used for positioning the workpiece, and the stopping member 43 is used for stopping the workpiece on the mounting seat 10.
Specifically, the stop element 43 is disposed at one end of the mounting seat 10, the third positioning element 42 is disposed at the other end of the mounting seat 10 opposite to the stop element 43, and a connecting line between the stop element 43 and the third positioning element 42 and a connecting line between the first positioning element 21 and the second positioning element 22 form an angle with each other, so that the second driving element 41 can drive the third positioning element 42 to move relative to the mounting seat 10, and the third positioning element 42 can push the workpiece to adjust the position relative to the mounting seat 10.
In the present embodiment, a connection line between the stop member 43 and the third positioning member 42 is perpendicular to a connection line between the first positioning member 21 and the second positioning member 22, so that the third positioning member 42 can push the workpiece to adjust the position in a direction perpendicular to the clamping direction between the first positioning member 21 and the second positioning member 22, thereby preventing the workpiece from deflecting, and facilitating the positioning of the positioning device 100; it is understood that, in other embodiments, the connection line between the stop member 43 and the third positioning member 42 and the first positioning member 21 and the second positioning member 22 may have other angles according to different working conditions.
In the present embodiment, the second driver 41 is a cylinder; it is understood that in other embodiments, the second driving member 41 can be other power sources such as an electric motor.
The positioning device 100 further includes a second elastic member 44, one end of the second elastic member 44 is connected to the output end of the second driving member 41, and the other end of the second elastic member 44 is connected to the third positioning member 42, so that the second driving member 41 can drive the third positioning member 42 to abut against the workpiece through the second elastic member 44, when the output force provided by the second driving member 41 is too large, due to the existence of the second elastic member 44, the third positioning member 42 can extrude the second elastic member 44 and move relative to the second driving member 41, thereby realizing that the third positioning member 42 presses against the workpiece softly, preventing the workpiece from being damaged, and ensuring the normal use of the positioning device 100.
Referring to fig. 3, fig. 3 is a partially enlarged view of a portion a of the positioning device shown in fig. 2. In this embodiment, an adaptor 45 is disposed between the third positioning element 42 and the output end of the second driving element 41, the adaptor 45 is fixedly connected to the output end of the second driving element 41, the third positioning element 42 includes a positioning portion 421 and a sliding portion 422, the sliding portion 422 is slidably connected to the adaptor 45, the second elastic element 44 is sleeved on the sliding portion 422 and abuts against the positioning portion 421 and the adaptor 45, so that the second driving element 41 can drive the adaptor 45 to drive the third positioning element 42 to move toward the mounting seat 10, and the positioning portion 421 can abut against the second elastic element 44 and slide toward the adaptor 45, thereby achieving the above-mentioned effects; it is understood that in other embodiments, the second elastic element 44 can be directly connected to the output end of the second driving element 41 and the third positioning element 42, as long as the above-mentioned purpose can be achieved.
In the present embodiment, the second elastic member 44 is a spring; it is understood that in other embodiments, the second elastic member 44 may be an elastic member made of rubber or the like.
In the present embodiment, the stopper 43 is provided on the stopper 26; it is understood that in other embodiments, the stop member 43 may be directly disposed at one end of the mounting seat 10, as long as the stop member 43 can cooperate with the third positioning member 42 to position the workpiece.
The positioning device further comprises a supporting component 60, the supporting component 60 comprises a first supporting piece 61, a second supporting piece 62 and a third supporting piece 63, and the first supporting piece 61, the second supporting piece 62 and the third supporting piece 63 are respectively arranged on one side of the first positioning piece 21, the second positioning piece 22 and the stop piece 43 close to the installation seat 10 and extend towards the installation seat 10; when the workpiece is placed on the mounting seat 10, the first supporting member 61, the second supporting member 62 and the third supporting member 63 can support the workpiece which is separated from the mounting seat 10 due to the placing error, so that the workpiece is further protected, the reliability of the positioning device 100 is improved, and the use is facilitated.
Referring to fig. 4, fig. 4 is a schematic structural diagram of the positioning apparatus shown in fig. 1 from another view angle. The second lifting assembly 50 comprises a fourth driving member 51, an adapter 52 and a connecting member 53; the fourth driving member 51 is connected with the adapter 52, and the connecting member 53 is connected with the fourth driving member 51 and the adapter 52; the adapter 52 is used for accommodating the fourth driving member 51, the fourth driving member 51 provides a power source for the second lifting assembly 50, and the connecting member 53 is used for driving the second driving member 41 to move.
Specifically, the fourth driving element 51 is fixedly connected to the adaptor 52, the connecting element 53 is slidably connected to the adaptor 52, one end of the connecting element 53 is fixedly connected to the output end of the fourth driving element 51, and the other end of the connecting element 53 is fixedly connected to the second driving element 41, so that the fourth driving element 51 can drive the connecting element 53 to slide along the adaptor 52, the connecting element 53 can drive the second driving element 41 to ascend and descend relative to the mounting base 10, and further adjust the position of the third positioning element 42 connected to the second driving element 41 relative to the mounting base 10, so that the third positioning element 42 can push the workpiece at a proper position, and the use of the positioning device 100 is facilitated.
In the present embodiment, the fourth driver 51 is a cylinder; it is understood that in other embodiments, the fourth driving member 51 may be selected to be another power source such as an electric motor.
The connecting piece 53 is provided with a first abutting part 531 and a second abutting part 532, and the first abutting part 531 and the second abutting part 532 are arranged at intervals; the adapter 52 is provided with a second buffer member 521 and a third buffer member 522, the second buffer member 521 and the third buffer member 522 are arranged at an interval, the first abutting portion 531 is located between the second buffer member 521 and the third buffer member 522, when the fourth driving member 51 drives the connecting member 53 to move, the first abutting portion 531 can abut against the second buffer member 521 and the third buffer member 522 to buffer the movement of the connecting member 53, and the connecting member 53 is protected; meanwhile, the adapter 52 is further provided with a second limiting portion 523 and a third limiting portion 524, the second limiting portion 523 and the third limiting portion 524 are arranged at an interval, and the second abutting portion 532 is arranged between the second limiting portion 523 and the third limiting portion 524, when the fourth driving member 51 drives the connecting member 53 to move, the second abutting portion 532 can abut against the second limiting portion 523 and the third limiting portion 524 to limit the movement of the connecting member 53, so as to limit the lifting of the second driving member 41 relative to the mounting seat 10, and prevent the second driving member 41 from departing from the workpiece range, so that the second driving member 41 can drive the third fixing member to push the workpiece within a proper range, thereby facilitating the normal use of the positioning device 100.
In the present embodiment, the first abutting portion 531 and the second abutting portion 532 are disposed flush; the second buffering member 521 and the second limiting portion 523 are disposed at one end of the adapter 52 in the same direction, the third buffering member 522 and the third limiting portion 524 are disposed at the other end of the adapter 52 in the same direction, and a distance between the second buffering member 521 and the first abutting portion 531 is smaller than a distance between the second limiting portion 523 and the second abutting portion 532, and a distance between the third buffering member 522 and the first abutting portion 531 is smaller than a distance between the third limiting portion 524 and the second abutting portion 532, so that the connecting member 53 can be buffered and limited during sliding relative to the adapter 52, and the second abutting portion 532 is prevented from being damaged easily due to an excessive abutting force when directly abutting against the second limiting portion 523 or the third limiting portion 524, thereby facilitating normal operation of the positioning device 100; it will be appreciated that in other embodiments, the components described above may be arranged in other ways, depending on the operating conditions.
According to the positioning device provided by the invention, the mounting seat is used for mounting a workpiece, the first positioning piece and the second positioning piece are respectively arranged at two opposite ends of the mounting seat, and the first driving piece can drive at least one of the first positioning piece and the second positioning piece to move relative to the other one, so that the first positioning piece and the second positioning piece can clamp the workpiece on the mounting seat, and the workpiece is fixed relative to the mounting seat; meanwhile, the stop piece is arranged at one end of the mounting seat, the third positioning piece is arranged at the other end of the mounting seat relative to the stop piece, a connecting line of the stop piece and the third positioning piece and a connecting line of the first positioning piece and the second positioning piece form an angle, the second driving piece can drive the third positioning piece to move towards the mounting seat and enable the third positioning piece to push the workpiece, so that the position of the workpiece on the mounting seat is adjusted, the stop piece can prevent the workpiece on the mounting seat from being pushed down, and the reliability of positioning operation is improved; and then positioner can simply, reliably carry out the automatic positioning installation to the work piece, be favorable to promoting work efficiency.
The invention also provides a curved surface measuring device, which comprises a carrier component and the positioning device 100, wherein the positioning device 100 is connected with the carrier component.
According to the curved surface measuring equipment provided by the invention, the positioning device is arranged, so that the workpiece can be automatically positioned and installed, and the workpiece can be conveniently measured.
In addition, in the present invention, unless otherwise expressly specified or limited, the terms "connected," "stacked," and the like are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A positioning device, comprising:
the mounting seat is used for mounting a workpiece;
the first positioning component comprises a first driving part, a first positioning part and a second positioning part, the first positioning part and the second positioning part are respectively arranged at two opposite ends of the mounting seat, and the first driving part can drive at least one of the first positioning part and the second positioning part to move relative to the other one so as to clamp a workpiece on the mounting seat;
the second positioning assembly comprises a second driving piece, a stop piece and a third positioning piece, the stop piece is fixedly arranged at one end of the mounting seat, the third positioning piece is opposite to the stop piece and is arranged at the other end of the mounting seat, an angle is formed between a connecting line of the stop piece and the third positioning piece and a connecting line of the first positioning piece and the second positioning piece, and the second driving piece can drive the third positioning piece to move relative to the mounting seat so as to push a workpiece to adjust the position.
2. The positioning device of claim 1, further comprising:
the abutting piece and the first elastic piece;
the abutting part is connected with one of the first positioning part and the second positioning part in a sliding mode and arranged towards one side of the other one of the first positioning part and the second positioning part, one end of the first elastic part is connected with the abutting part, the other end of the first elastic part is connected with one of the first positioning part and the second positioning part, and the first positioning part or the second positioning part can drive the abutting part to abut against a workpiece through the first elastic part.
3. The positioning device according to claim 1, further comprising a second elastic member, wherein one end of the second elastic member is connected to the output end of the second driving member, and the other end of the second elastic member is connected to the third positioning member, and the second driving member can drive the third positioning member to abut against the workpiece through the second elastic member.
4. The positioning device according to claim 1, wherein a limiting member is further disposed between the first positioning member and the second positioning member, the stopping member is fixedly disposed on the limiting member, a length of the limiting member along a direction from the first positioning member to the second positioning member is greater than a length of the mounting base along a direction from the first positioning member to the second positioning member, and the limiting member can limit the movement of the first positioning member or the second positioning member toward the mounting base.
5. The positioning device according to claim 4, wherein the end of the limiting member facing the first positioning member and/or the second positioning member is further provided with a first limiting portion; the positioning device further comprises a first buffer piece, the first buffer piece is connected to the limiting piece, the first buffer piece is opposite to the first limiting portion and close to the first positioning piece and/or the second positioning piece, and the first buffer piece and the first limiting portion can buffer and limit the first positioning piece and/or the second positioning piece towards the movement of the mounting seat respectively.
6. The positioning device of claim 1, further comprising a suction assembly, wherein the suction assembly is connected to the mounting base, and the suction assembly is capable of sucking and fixing the workpiece on the mounting base.
7. The positioning device of claim 1, further comprising a first lift assembly, the first lift assembly comprising:
a third driving member and a connecting seat;
the output end of the third driving piece is connected to the connecting seat, the first driving piece is fixedly connected to the connecting seat, and the third driving piece can drive the connecting seat to ascend and descend relative to the mounting seat so as to adjust the position of the first positioning piece and the position of the second positioning piece relative to the mounting seat.
8. The positioning device of claim 1, further comprising a second lift assembly, the second lift assembly comprising:
a transfer seat;
the fourth driving piece is fixedly connected with the adapter;
the connecting piece is connected with the adapter in a sliding manner, one end of the connecting piece is connected with the output end of the fourth driving piece, and the other end of the connecting piece is fixedly connected with the second driving piece;
the fourth driving part can drive the connecting piece to slide along the adapter, and the connecting piece can drive the second driving part to lift relative to the mounting seat so as to adjust the position of the third positioning part relative to the mounting seat.
9. The positioning device of claim 1, further comprising a holder assembly, the holder assembly comprising a first holder, a second holder, and a third holder;
the first bearing piece, the second bearing piece and the third bearing piece are respectively arranged on one side, close to the mounting seat, of the first positioning piece, the second positioning piece and the stop piece and extend towards the mounting seat, and the first bearing piece, the second bearing piece and the third bearing piece can bear workpieces separated from the mounting seat.
10. A surface measuring apparatus comprising a carrier assembly, characterized in that the surface measuring apparatus further comprises a positioning device according to any one of claims 1 to 9, the positioning device being connected to the carrier assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718376.1A CN111791162A (en) | 2020-07-23 | 2020-07-23 | Positioning device and curved surface measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718376.1A CN111791162A (en) | 2020-07-23 | 2020-07-23 | Positioning device and curved surface measuring equipment |
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| Publication Number | Publication Date |
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| CN111791162A true CN111791162A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010718376.1A Pending CN111791162A (en) | 2020-07-23 | 2020-07-23 | Positioning device and curved surface measuring equipment |
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| CN (1) | CN111791162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884241A (en) * | 2021-09-14 | 2022-01-04 | 无锡先导智能装备股份有限公司 | Moving path guide device and test system |
-
2020
- 2020-07-23 CN CN202010718376.1A patent/CN111791162A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884241A (en) * | 2021-09-14 | 2022-01-04 | 无锡先导智能装备股份有限公司 | Moving path guide device and test system |
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