CN218397712U - Positioning device - Google Patents

Abstract

The utility model provides a positioning device, including bearing frame, pneumatic positioning mechanism and flexible positioning mechanism, bear the frame and be equipped with the location district that is used for bearing the work piece, pneumatic positioning mechanism includes air feed spare and the piece of blowing, and the piece of blowing is located one side in location district, and the piece of blowing receives the gas that provides via the air feed spare to blow the work piece, flexible positioning mechanism includes flexible locating component and drive assembly, and drive assembly locates to bear the frame and connect flexible locating component, and drive assembly is used for driving flexible locating component and supports and hold the work piece. When the positioning device positions the workpiece, the air supply piece provides air for the air blowing piece and blows the workpiece, so that the workpiece is preliminarily positioned, the flexible positioning assembly is driven by the driving assembly to abut against the workpiece after preliminary positioning, and the flexible positioning assembly is matched with the bearing frame to clamp the workpiece, so that the workpiece is positioned. So, above-mentioned positioner adopts contactless promotion to realize preliminary location to the work piece to reduce the damage that causes the work piece surface.

Description

Positioning device

Technical Field

The utility model relates to a location technical field, concretely relates to positioner.

Background

Generally, before a workpiece is machined, the workpiece needs to be placed in a positioning area of a jig, and the workpiece needs to be pushed to move so that the workpiece abuts against a stop member on the side edge of the positioning area, so that the workpiece is clamped and positioned. However, in the process of pushing and clamping the workpiece by the conventional pushing member, the pushing member is prone to causing damage or scratch on the surface of the workpiece.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a positioning device to solve the problem of easy damage to the surface of the workpiece during positioning.

An embodiment of the utility model provides a positioning device, include:

the bearing frame is provided with a positioning area for bearing a workpiece;

the pneumatic positioning mechanism comprises an air supply piece and an air blowing piece, wherein the air blowing piece is arranged on one side of the positioning area, and receives air supplied by the air supply piece so as to blow the workpiece by the air;

the flexible positioning mechanism comprises a flexible positioning assembly and a driving assembly, the driving assembly is arranged on the bearing frame and connected with the flexible positioning assembly, and the driving assembly is used for driving the flexible positioning assembly to abut against the workpiece.

In some embodiments, the carrier comprises:

the bearing plate is provided with the positioning area;

the stop piece is connected to the bearing plate and positioned on the outer side of the positioning area, and the stop piece and the flexible positioning assembly are used for respectively abutting against two opposite sides of the workpiece;

the supporting plate is arranged on one side, away from the stop piece, of the bearing plate, and the driving assembly is arranged on the supporting plate;

the bearing board is connected to the one end of connecting piece, the other end of connecting piece is connected the backup pad.

In some embodiments, the flexible positioning assembly is arranged opposite to the stop member, the blowing member is connected with the flexible positioning assembly, and the flexible positioning assembly drives the blowing member to move towards the stop member under the driving of the driving assembly.

In some embodiments, the stop member comprises a first stop member and a second stop member, the first stop member and the second stop member being located on adjacent sides of the positioning zone, respectively, the drive assembly comprising:

the first movable seat is arranged on the supporting plate in a sliding manner and is positioned between the bearing plate and the supporting plate, and the air blowing piece is connected to the first movable seat and is arranged opposite to the first stop piece along a first direction;

the flexible positioning assembly is connected to the second movable seat and is arranged opposite to the second stop piece along a second direction perpendicular to the first direction;

and the driving piece is connected to the second movable seat and used for driving the second movable seat to drive the flexible fixed component to move along the second direction so as to abut against the workpiece.

In some embodiments, the driving assembly further includes a linkage member, the linkage member is connected to the first movable seat, the linkage member is connected to the second movable seat in a sliding manner, an included angle between a sliding direction of the linkage member on the second movable seat and a moving direction of the second movable seat is an acute angle, and the driving member is configured to drive the second movable seat to move, so that the linkage member drives the first movable seat to move under the movement of the second movable seat.

In some embodiments, the second movable seat is provided with a linkage groove, the linkage groove and the moving direction of the second movable seat form the acute angle, and the linkage member is inserted through the linkage groove and slidably connected with the second movable seat through the linkage groove.

In some embodiments, the first movable seat is provided with a receiving groove, the first movable seat is movably clamped to the second movable seat through the receiving groove, the link member is disposed through the receiving groove, and two ends of the link member are respectively connected to two opposite side walls of the receiving groove.

In some embodiments, the connector comprises:

the two first limiting blocks are arranged at intervals along the second direction, two ends of each first limiting block are respectively connected to the supporting plate and the bearing plate, and the first movable seat is arranged between the two first limiting blocks;

two second stoppers are arranged at intervals along the first direction, each of the two ends of each second stopper is connected with the supporting plate and the bearing plate respectively, and the second movable seat is arranged between the two second stoppers.

In some embodiments, the flexible positioning assembly comprises:

the fixed piece is connected to the second movable seat and is arranged opposite to the second stop piece along the second direction;

the abutting piece comprises a body and an abutting body, the body is connected with the fixing piece in a sliding mode along the second direction, and the abutting body is connected to one end of the body;

the elastic piece is sleeved on the body, and two ends of the elastic piece respectively abut against the fixing piece and the abutting body.

In some embodiments, the retaining body is threadedly connected to the body.

When the positioning device positions the workpiece, the workpiece is firstly placed in a positioning area of the bearing frame, then the air supply piece supplies air for the air blowing piece, so that the air is blown out of the air blowing piece, the workpiece is blown to move along the bearing frame, the primary positioning of the workpiece is realized, the flexible positioning assembly is driven by the driving assembly to abut against the workpiece after the primary positioning, and the workpiece is matched with the bearing frame to clamp the workpiece, so that the positioning of the workpiece is completed. So, when above-mentioned positioner was to the preliminary location of work piece, realized the contactless promotion to the work piece through the mode that blows the work piece of the piece of blowing, reduced the rigid contact of whole positioner location work piece in-process to the work piece to the damage that positioner location work piece in-process caused the work piece surface has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a positioning device and a workpiece according to an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the loading frame in fig. 1.

Fig. 3 is a schematic structural diagram of a positioning device and a workpiece according to another embodiment of the present invention.

Fig. 4 is an exploded view of the positioning device shown in fig. 3.

Fig. 5 is a schematic structural view of the first movable seat, the second movable seat and the linkage member in fig. 4.

Fig. 6 is a schematic structural view of the flexible positioning assembly in fig. 4.

Description of the main elements

Positioning device 10

Carriage 11

Bearing plate 111

Stop piece 112

First stopper 1121

Second stopper 1122

Supporting plate 113

Connecting piece 114

First limit block 1141

Second limiting block 1142

Pneumatic positioning mechanism 12

Air supply member 121

Blowing member 122

Flexible positioning mechanism 13

Flexible positioning assembly 131

Fixing member 1311

Holding member 1312

Body 1312a

Supporting body 1312b

Elastic member 1313

Drive assembly 132

First movable seat 1321

Second movable seat 1322

Driving element 1323

Link 1324

Interlocking slot 14

Accommodation groove 15

Positioning area 16

Accommodation space 17

Workpiece 20

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

An embodiment of the utility model provides a positioner, including bearing frame, pneumatic positioning mechanism and flexible positioning mechanism. During positioning, the pneumatic positioning mechanism blows gas to move along the bearing frame, so that non-contact pushing on the workpiece is achieved, initial positioning of the workpiece is achieved, the flexible positioning mechanism pushes the workpiece after initial positioning and is matched with the bearing frame to clamp the workpiece, hard contact of the workpiece in the positioning process is reduced, and damage to the surface of the workpiece in the positioning process is reduced.

Specifically, bear the frame and be equipped with the locating area that is used for bearing the weight of the work piece, pneumatic positioning mechanism includes the piece of blowing and blows the piece, blows the piece and locates one side of locating area, and blows the piece and receive the gas that provides via the piece of blowing to blow the work piece with gas, flexible positioning mechanism includes flexible locating component and drive assembly, drive assembly locates to bear the frame and connect flexible locating component, drive assembly is used for driving flexible locating component and supports and hold the work piece.

When the positioning device positions the workpiece, the workpiece is firstly placed in a positioning area of the bearing frame, then the air supply piece supplies air for the air blowing piece, so that the air is blown out of the air blowing piece, the workpiece is blown to move along the bearing frame, the primary positioning of the workpiece is realized, the flexible positioning assembly is driven by the driving assembly to abut against the workpiece after the primary positioning, and the workpiece is matched with the bearing frame to clamp the workpiece, so that the positioning of the workpiece is completed. So, when above-mentioned positioner was to the preliminary location of work piece, realized the contactless promotion to the work piece through the mode that blows the work piece of the piece of blowing, reduced the rigid contact of whole positioner location work piece in-process to the work piece to reduce the damage that positioner location work piece in-process caused the work piece surface.

The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. Before the detailed description, the relationship between the embodiment shown in fig. 1 and the embodiment shown in fig. 3 is described: the main difference between the embodiments of fig. 1 and 3 is that the pneumatic positioning mechanism and the flexible positioning mechanism in fig. 1 are disposed on the same side, while the pneumatic positioning mechanism and the flexible positioning mechanism in fig. 3 are disposed on two adjacent sides. In addition to this distinction, the other components in the two embodiments are substantially identical, and therefore, components of the two embodiments having the same name are also given the same reference numerals without being necessarily distinguished from each other.

Referring to fig. 1, in some embodiments, the positioning apparatus 10 includes a carrier 11, a pneumatic positioning mechanism 12 and a flexible positioning mechanism 13, the carrier 11 is provided with a positioning area 16 (shown by a dashed frame for illustrative purposes only), the pneumatic positioning mechanism 12 includes a gas supply member 121 and a gas blowing member 122, the gas blowing member 122 is provided at one side of the positioning area 16, and the gas blowing member 122 receives gas supplied through the gas supply member 121 to blow the workpiece 20 with gas. The flexible positioning mechanism 13 includes a flexible positioning component 131 and a driving component 132, the driving component 132 is disposed on the carriage 11 and connected to the flexible positioning component 131, and the driving component 132 is used for driving the flexible positioning component 131 to abut against the workpiece 20.

In some embodiments, to illustrate the "flexible" function of the "flexible positioning assembly," it will be described in connection with FIG. 6. As shown in fig. 6, an elastic member 1313 is disposed in the flexible positioning assembly 131, and the flexible positioning assembly 131 abuts against the workpiece 20 through the elastic member 1313 and cooperates with the carriage 11 to clamp the workpiece 20, so that when the flexible positioning assembly 131 abuts against the workpiece 20, the elastic member 1313 elastically deforms to enable the flexible positioning assembly 131 to elastically buffer the workpiece 20, and further the flexible positioning assembly 131 flexibly abuts against the workpiece 20, thereby avoiding abrasion of the surface of the workpiece 20 caused by hard contact with the workpiece 20, in this embodiment, the elastic member 1313 may be a spring. The workpiece 20 may have a polygonal structure in which a set of opposite sides are parallel, and for example, the workpiece 20 may have a rectangular structure or a trapezoidal structure. When the workpiece 20 is fixed, firstly, the workpiece 20 is placed on the positioning area 16 on the bearing frame 11, and any side of the parallel opposite sides of the workpiece 20 faces the flexible positioning assembly 131, then the workpiece 20 is blown by the pneumatic positioning mechanism 12 to move along the bearing frame 11, so as to realize the primary positioning of the workpiece 20, and finally the flexible positioning assembly 131 is driven by the driving assembly 132 to abut against the workpiece 20 after the primary positioning, and is matched with the bearing frame 11 to clamp the workpiece 20, so that the bearing frame 11 performs the stop limit on the workpiece 20, and thus the positioning of the workpiece 20 is completed.

When the positioning device 10 positions the workpiece 20, firstly, the workpiece 20 is placed in the positioning area 16 of the bearing frame 11, then the air supply member 121 supplies air to the air blowing member 122, so that the air is blown out from the air blowing member 122, and further the workpiece 20 is blown to move along the bearing frame 11, thereby realizing the primary positioning of the workpiece 20, and then the driving member 132 drives the flexible positioning member 131 to abut against the workpiece 20 subjected to the primary positioning to the bearing frame 11, thereby completing the positioning of the workpiece 20. Thus, when the positioning device 10 initially positions the workpiece 20, the workpiece 20 is pushed without contact by blowing the workpiece 20 through the blowing piece 122, so that hard contact to the workpiece 20 in the process of positioning the workpiece 20 by the whole positioning device 10 is reduced, and damage to the surface of the workpiece 20 in the process of positioning the workpiece 20 by the positioning device 10 is reduced.

Referring to fig. 1, in some embodiments, the flexible positioning assembly 131 is disposed opposite to the stopper 112, the blowing element 122 is connected to the flexible positioning assembly 131, the blowing element 122 is mounted on the fixing element 1311 of the flexible positioning assembly 131 as shown in fig. 6, so that the blowing element 122 moves synchronously with the flexible positioning assembly 131, and the flexible positioning assembly 131 drives the blowing element 122 to move towards the stopper 112 under the driving of the driving assembly 132.

In this way, the driving assembly 132 drives the flexible positioning assembly 131 and the blowing member 122 to move towards the workpiece 20 synchronously, and the same or approximately the same amount of gas is blown to the workpiece 20 continuously, so that the workpiece 20 is blown stably.

Referring to fig. 1 and 2, in some embodiments, the carrier 11 includes a carrier plate 111, a stopper 112, a supporting plate 113 and a connecting member 114. The bearing plate 111 is provided with a positioning area 16, the stop member 112 is connected to the bearing plate 111 and located outside the positioning area 16, the stop member 112 and the flexible positioning component 131 are used for respectively abutting against two opposite sides of the workpiece 20, the support plate 113 is arranged on one side of the bearing plate 111 departing from the stop member 112, the support plate 113 is provided with a driving component 132, one end of the connecting member 114 is connected with the bearing plate 111, and the other end of the connecting member 114 is connected with the support plate 113.

Thus, the stop member 112 on the bearing plate 111 can stop and limit the workpiece 20, so as to achieve initial positioning of the workpiece 20, two ends of the connecting member 114 connect the bearing plate 111 and the supporting plate 113 respectively, so that an accommodating space 17 is formed between the bearing plate 111 and the supporting plate 113 (in the embodiments shown in fig. 1 and fig. 3, an accommodating space is formed, for convenience of description, only the reference numeral 17 is used in fig. 3), the accommodating space 17 is used for installing the driving component 132, the occupied volume of the positioning device 10 is reduced, and the space utilization rate is improved.

Referring to fig. 3 and fig. 4, in some embodiments, the stop member 112 includes a first stop member 1121 and a second stop member 1122, and the first stop member 1121 and the second stop member 1122 are respectively located at two adjacent sides of the positioning region 16. Specifically, the driving assembly 132 includes a first movable seat 1321, a second movable seat 1322 and a driving element 1323, the first movable seat 1321 is slidably disposed on the supporting plate 113 and located between the supporting plate 111 and the supporting plate 113, the blowing element 122 is connected to the first movable seat 1321 and disposed opposite to the first stopper 1121 along a first direction, the second movable seat 1322 is movably disposed on the supporting plate 113 and located between the supporting plate 113 and the supporting plate 111, the flexible positioning assembly 131 is connected to the second movable seat 1322 and disposed opposite to the second stopper 1122 along a second direction perpendicular to the first direction, and the driving element 1323 is connected to the second movable seat 1322 for driving the second movable seat 1322 to drive the flexible positioning assembly 131 to move along the second direction to abut against the workpiece 20. Illustratively, the driver 1323 may be a cylinder.

For convenience of description, in fig. 3 and 4, the Y axis of the three-dimensional coordinate system is in a first direction, i.e., the moving direction of the first movable seat 1321, and the X axis is in a second direction, i.e., the moving direction of the second movable seat 1322.

During operation, firstly, the blowing member 122 blows the workpiece 20 to move to the first stop member 1121, the first stop member 1121 performs stop limit on the workpiece 20 in the first direction, so as to position the workpiece 20 in the first direction, then the driving member 1323 drives the second movable seat 1322, and the second movable seat 1322 drives the flexible positioning assembly 131 to push the workpiece 20 to move to the second stop member 1122, so as to position the workpiece 20 in the second direction. In this way, the first stopper 1121 and the second stopper 1122 stop and limit the workpiece 20 in the first direction and the second direction, respectively, to form a preliminary positioning for the workpiece 20, and further, the flexible positioning assembly 131 abuts against the workpiece 20, so as to position the workpiece 20.

Referring to fig. 4 and fig. 5, in some embodiments, the driving assembly 132 further includes a linking member 1324, the linking member 1324 is connected to the first movable seat 1321, the linking member 1324 is slidably connected to the second movable seat 1322, an included angle between a sliding direction of the linking member 1324 on the second movable seat 1322 and a moving direction of the second movable seat 1322 is an acute angle, and the driving member 1323 is configured to drive the second movable seat 1322 to move, so that the linking member 1324 drives the first movable seat 1321 to move under the movement of the second movable seat 1322. Illustratively, the linkage 1324 may be a pin, and the acute angle may be 30 °, 45 °, or 60 °.

Therefore, the linkage element 1324 is connected to the first movable seat 1321 and slidably connected to the second movable seat 1322, and an included angle between the sliding direction of the linkage element 1324 on the second movable seat 1322 and the moving direction of the second movable seat 1322 is an acute angle, so that the driving element 1323 can simultaneously drive the first movable seat 1321 and the second movable seat 1322 to move, thereby simplifying the operation steps and improving the moving efficiency of the first movable seat 1321 and the second movable seat 1322.

Referring to fig. 5, in some embodiments, the second movable seat 1322 is provided with a linkage groove 14, an acute angle is formed between the linkage groove 14 and the moving direction of the second movable seat 1322, and the linkage element 1324 penetrates through the linkage groove 14 and is slidably connected to the second movable seat 1322 through the linkage groove 14.

In this way, the linkage groove 14 is obliquely provided on the second movable seat 1322 with respect to the second direction, the linkage 1324 is inserted into the linkage groove 14, and the linkage 1324 is slidably connected to the second movable seat 1322 through the obliquely provided linkage groove 14, so that the linkage 1324 is slidably connected to the linkage groove 14 in a direction oblique to the second direction, which is simple in structure and low in production cost.

Referring to fig. 5, in some embodiments, the first movable seat 1321 is provided with a receiving slot 15, the first movable seat 1321 is movably clamped to the second movable seat 1322 through the receiving slot 15, the linking member 1324 is disposed through the receiving slot 15, and two ends of the linking member 1324 are respectively connected to two opposite sidewalls of the receiving slot 15.

Thus, when the second movable seat 1322 moves along the second direction and approaches the first movable seat 1321, the first movable seat 1321 sleeves the second movable seat 1322 in the accommodating groove 15, so as to provide a movable space for the second movable seat 1322 along the second direction at the position intersecting with the first movable seat 1321, so that the structural layout of the positioning apparatus 10 is more reasonable, and the space utilization rate of the positioning apparatus 10 is effectively improved.

Referring to fig. 2 and fig. 5, in some embodiments, the connecting member 114 includes two first limiting blocks 1141 and two second limiting blocks 1142, the two first limiting blocks 1141 are disposed at intervals along the second direction, two ends of each first limiting block 1141 are respectively connected to the supporting plate 113 and the supporting plate 111, the first movable seat 1321 is disposed between the two first limiting blocks 1141, the two second limiting blocks 1142 are disposed at intervals along the first direction, two ends of each second limiting block 1142 are respectively connected to the supporting plate 113 and the supporting plate 111, and the second movable seat 1322 is disposed between the two second limiting blocks 1142.

Thus, the two first limit blocks 1141, the support plate 113 and the bearing plate 111 form a guiding structure of the first movable seat 1321, so that the first movable seat 1321 moves along the first direction, the two second limit blocks 1142, the support plate 113 and the bearing plate 111 form a guiding structure of the second movable seat 1322, so that the second movable seat 1322 moves along the second direction, and the stability of the movement of the first movable seat 1321 and the second movable seat 1322 is improved by performing movement guidance on the first movable seat 1321 and the second movable seat 1322.

Referring to fig. 6, in some embodiments, the flexible positioning assembly 131 includes a fixing element 1311, a supporting element 1312, and an elastic element 1313, the fixing element 1311 is connected to the second movable seat 1322 and disposed opposite to the second stopper 1122 along the second direction, the supporting element 1312 includes a body 1312a and a supporting body 1312b, the body 1312a is slidably connected to the fixing element 1311 along the second direction, the supporting body 1312b is connected to one end of the body, the elastic element 1313 is sleeved on the body 1312a, and two ends of the elastic element 1313 respectively support against the fixing element 1311 and the supporting body 1312b. Illustratively, the elastic member 1313 may be a spring.

Thus, when the second movable seat 1322 drives the flexible positioning assembly 131 to push the workpiece 20, and the abutting member 1312 abuts against and pushes the workpiece 20, the workpiece 20 provides a reverse pressure for the abutting member 1312, the abutting member 1312 moves along the fixing member 1311 and compresses the elastic member 1313, and the compressed elastic member 1313 provides an elastic force for the abutting member 1312, so that the abutting member 1312 elastically abuts against the workpiece 20, thereby reducing the hard contact of the positioning device 10 on the workpiece 20 in the positioning process, and reducing the damage to the surface of the workpiece 20 in the positioning process of the workpiece 20.

In some embodiments, the abutting body 1312b is screwed to the body 1312a, so that when workpieces 20 with different sizes are placed in the positioning region 16, the length of the abutting body 1312b extending out of the body 1312a can be adjusted by rotating to enable the positioning region 16 to place workpieces 20 with different sizes, thereby increasing the application range of the positioning device 10 and improving the practicability of the positioning device 10.

The operation of the positioning device 10 is substantially as follows:

first, the workpiece 20 is placed in the positioning zone 16 on the carriage 11;

then, the air supply part 121 supplies air to the air blowing part 122 to enable the air blowing part 122 to blow the air, and meanwhile, the driving part 1323 is started, the driving part 1323 drives the second movable seat 1322 to move along the second direction, the second movable seat 1322 drives the first movable seat 1321 to move along the first direction through the linkage part 1324, the flexible positioning component 131 moves along with the second movable seat 1322, and the air blowing part 122 moves along with the first movable seat 1321;

finally, the blowing piece 122 blows the workpiece 20 to move to the first stop member 1121, the first stop member 1121 limits the stop of the workpiece 20 in the first direction, so as to complete the initial positioning of the workpiece 20, the flexible positioning assembly 131 flexibly abuts against and pushes the workpiece 20 to move to the second stop member 1122, and the second stop member 1122 limits the stop of the workpiece 20 in the second direction, so as to complete the positioning of the workpiece 20.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A positioning device, comprising:

the bearing frame is provided with a positioning area for bearing a workpiece;

the pneumatic positioning mechanism comprises an air supply piece and an air blowing piece, wherein the air blowing piece is arranged on one side of the positioning area, and receives air supplied by the air supply piece so as to blow the workpiece by the air;

the flexible positioning mechanism comprises a flexible positioning assembly and a driving assembly, the driving assembly is arranged on the bearing frame and connected with the flexible positioning assembly, and the driving assembly is used for driving the flexible positioning assembly to abut against the workpiece.

2. The positioning device of claim 1, wherein the carrier comprises:

the bearing plate is provided with the positioning area;

the stop piece is connected to the bearing plate and positioned on the outer side of the positioning area, and the stop piece and the flexible positioning assembly are used for respectively abutting against two opposite sides of the workpiece;

the supporting plate is arranged on one side, away from the stop piece, of the bearing plate, and the driving assembly is arranged on the supporting plate;

the bearing board is connected to the one end of connecting piece, the other end of connecting piece is connected the backup pad.

3. The positioning device of claim 2,

the flexible positioning assembly is opposite to the stop piece, the air blowing piece is connected with the flexible positioning assembly, and the flexible positioning assembly drives the air blowing piece to move towards the stop piece under the driving of the driving assembly.

4. The positioning device of claim 2 wherein said stop member comprises a first stop member and a second stop member, said first stop member and said second stop member being respectively located on adjacent sides of said positioning zone, said drive assembly comprising:

the first movable seat is arranged on the supporting plate in a sliding mode and located between the bearing plate and the supporting plate, and the air blowing piece is connected to the first movable seat and is arranged opposite to the first stop piece along the first direction;

the flexible positioning assembly is connected to the second movable seat and is arranged opposite to the second stop piece along a second direction perpendicular to the first direction;

and the driving piece is connected to the second movable seat and used for driving the second movable seat to drive the flexible fixed component to move along the second direction so as to abut against the workpiece.

5. The positioning device of claim 4,

the driving assembly further comprises a linkage piece, the linkage piece is connected to the first movable seat and is in sliding connection with the second movable seat, and an included angle formed between the sliding direction of the linkage piece on the second movable seat and the moving direction of the second movable seat is an acute angle;

the driving piece is used for driving the second movable seat to move, so that the linkage piece drives the first movable seat to move under the movement of the second movable seat.

6. The positioning device of claim 5,

the second movable seat is provided with a linkage groove, and the linkage groove and the movement direction of the second movable seat form the acute angle;

the linkage piece penetrates through the linkage groove and is in sliding connection with the second movable seat through the linkage groove.

7. The positioning device of claim 6,

the first movable seat is provided with a containing groove, the first movable seat is clamped in the second movable seat through the containing groove, the linkage piece penetrates through the containing groove, and two ends of the linkage piece are respectively connected to two opposite side walls of the containing groove.

8. The positioning device of claim 4, wherein the connector comprises:

the two first limiting blocks are arranged at intervals along the second direction, two ends of each first limiting block are respectively connected to the supporting plate and the bearing plate, and the first movable seat is arranged between the two first limiting blocks;

two second stoppers are arranged at intervals along the first direction, each of the two ends of each second stopper is connected with the supporting plate and the bearing plate respectively, and the second movable seat is arranged between the two second stoppers.

9. The positioning device of claim 4, wherein the flexible positioning assembly comprises:

the fixed piece is connected to the second movable seat and is arranged opposite to the second stop piece along the second direction;

the abutting piece comprises a body and an abutting body, the body is connected with the fixing piece in a sliding mode along the second direction, and the abutting body is connected to one end of the body;

the elastic piece is sleeved on the body, and two ends of the elastic piece respectively abut against the fixing piece and the abutting body.

10. The positioning device of claim 9, wherein the abutment body is threadably connected to the body.

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