CN217224580U

CN217224580U - Positioning device

Info

Publication number: CN217224580U
Application number: CN202220441521.0U
Authority: CN
Inventors: 黄裕文; 全承来; 曹荣杰; 杜盛; 谷圆辉; 吴燕
Original assignee: Futaihua Industry Shenzhen Co Ltd
Current assignee: Futaihua Industry Shenzhen Co Ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-08-19
Anticipated expiration: 2032-03-02

Abstract

The application provides a positioning device, includes: a bearing table; the jig positioning plate is arranged on the bearing table; the rotary pressing mechanism is rotatably arranged on the bearing table and distributed on two opposite sides of the jig positioning plate; the clamping mechanism comprises a clamping piece, a fixing piece, a transmission piece and a clamping driver, wherein the clamping piece is rotatably connected with the fixing piece, the fixing piece is arranged on the plummer, the transmission piece is movably connected with the clamping piece, and the clamping driver is connected with the transmission piece and is used for driving the transmission piece to move so as to link the clamping piece. The positioning device of this application carries out diversified, multi-angle fixed through hold-down mechanism and fixture to the work piece of treating the processing, effectively reduces vibration and displacement that the work piece produced in the course of working, solves the problem of the processing difficulty of jumbo size sheet metal type work piece, improves work piece processingquality.

Description

Positioning device

Technical Field

The application relates to the technical field of machining equipment, in particular to a positioning device.

Background

In the machining and manufacturing process of workpieces, a large-size thin plate type workpiece with the wall thickness of 1-2mm needs to be machined with a plurality of characteristic structures such as side holes, end face holes, threads, grooves and the like, and as the machining characteristics are more, the workpiece is thinner, the adjustable space is less, the workpiece is easy to vibrate during machining, the machining difficulty of the workpiece is high, the machining yield is low, and the machining efficiency and the production cost are influenced.

SUMMERY OF THE UTILITY MODEL

The application provides a positioning device to solve the problem of processing difficulty of a large-size thin plate type workpiece.

An embodiment of the present application provides a positioning device, including: a bearing table; the jig positioning plate is arranged on the bearing table; the rotary pressing mechanism is rotatably arranged on the bearing table and distributed on two opposite sides of the jig positioning plate; the clamping mechanism comprises a clamping piece, a fixing piece, a transmission piece and a clamping driver, wherein the clamping piece is rotationally connected with the fixing piece, the fixing piece is arranged on the bearing table, the transmission piece is movably connected with the clamping piece, and the clamping driver is connected with the transmission piece and is used for driving the transmission piece to move so as to link the clamping piece.

So, the positioner of this application carries out diversified, multi-angle fixed through hold-down mechanism and fixture to the work piece of treating the processing, effectively reduces vibration and displacement that the work piece produced in the course of working, solves the problem of the processing difficulty of jumbo size sheet metal type work piece, improves work piece processingquality.

In one possible embodiment: the clamping piece comprises a first end and a second end, the first end is used for clamping a workpiece, and the second end is movably connected with the transmission piece; the two clamping pieces are arranged oppositely and at intervals, and each clamping piece is rotatably connected with one fixing piece; the clamping pieces are further provided with inclined planes, the inclined planes of the two clamping pieces are oppositely arranged, and the transmission part is partially arranged between the two inclined planes.

In one possible embodiment: the included angle between the two inclined planes is an acute angle; one end of the transmission piece is connected with the clamping driver, and the other end of the transmission piece is provided with a convex part; when the first end clamps the workpiece, the inclined surface abuts against the convex part.

In one possible embodiment: the jig positioning plate is also provided with a mounting groove, and the clamping part is partially arranged in the mounting groove; the bearing table is provided with a groove corresponding to the mounting groove, and the fixing piece is mounted in the groove.

In one possible embodiment: the fixture positioning plate is arranged on the bearing table and penetrates through the fixture positioning plate; the rotary buckling and pressing mechanism comprises a buckling and pressing piece and a rotary driver; the crimping piece runs through the jig positioning plate, the rotary driver is installed on one side, deviating from the jig positioning plate, of the bearing platform, and the rotary driver is in transmission connection with the crimping piece.

In one possible embodiment: the buckling part comprises a propping part and a connecting part, the propping part is arranged at one end of the connecting part and is in an integrated structure with the connecting part, and the other end of the connecting part is in transmission connection with the rotary driver; the two ends of the abutting part protrude out of the connecting part.

In one possible embodiment: a first adsorption area, a second adsorption area and a third adsorption area are sequentially arranged on the jig positioning plate; the first adsorption area, the second adsorption area and the third adsorption area are all provided with adsorption grooves; the bearing table is provided with a plurality of air suction pieces which are communicated with the suction grooves.

In one possible embodiment: the positioning mechanism comprises a pin and a lifting cylinder; one end of the pin is connected with the lifting cylinder, and the other end of the pin penetrates through the jig positioning plate; two sets of the positioning mechanisms are arranged at intervals along the diagonal line of the first adsorption area.

In one possible embodiment: the pressing mechanism comprises a first pressing piece, a second pressing piece, a first pressing driver and a second pressing driver; the two first pressing pieces are symmetrically arranged on two opposite sides of the jig positioning plate, and the projection of the first pressing pieces on the jig positioning plate is partially overlapped with the second adsorption area and/or the third adsorption area; the second pressing pieces are arranged on two opposite sides of the first adsorption area at intervals; the first pressing driver and the second pressing driver are arranged on one side, deviating from the jig positioning plate, of the bearing table and are respectively connected with the first pressing piece and the second pressing piece in a one-to-one correspondence mode.

In one possible embodiment: one side of the first pressing piece, which faces the jig positioning plate, is also provided with a first cushion block for clamping a workpiece; one side of the second pressing piece, which faces the jig positioning plate, is provided with a second cushion block, the side edge of the second cushion block is provided with an arc surface, and the arc surface is used for adapting to the appearance structure of the workpiece.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

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

Fig. 2 is a schematic structural view of the positioning apparatus shown in fig. 1 after a workpiece is removed.

Fig. 3A is a schematic diagram of the structure before processing the workpiece.

Fig. 3B is a schematic structural diagram of the workpiece after processing.

Fig. 4 is a partially exploded view of the positioning device of fig. 1.

Fig. 5 is a schematic structural diagram of a clamping mechanism in the positioning device shown in fig. 1.

Fig. 6 is an enlarged view of a portion VI of the positioning device shown in fig. 1.

Fig. 7 is a schematic structural view of a rotary withholding mechanism in the positioning device shown in fig. 1.

Fig. 8 is a schematic structural view of a positioning mechanism in the positioning device shown in fig. 1.

Fig. 9 is a partial structural schematic view of a pressing mechanism in the positioning device shown in fig. 1.

Fig. 10 is a partial structural view of a pressing mechanism in the positioning device shown in fig. 1.

Description of the main element symbols:

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 to fig. 6, in an embodiment, the positioning apparatus 100 includes a supporting stage 101, a jig positioning plate 10, a pressing mechanism 20, and a clamping mechanism 30. The jig positioning plate 10 is detachably mounted on the bearing table 101, and is used for placing and preliminarily positioning the workpiece 200 to be processed. In the embodiment of the present application, the shape of the jig positioning plate 10 substantially matches the shape of the workpiece 200, and the workpiece 200 is buckled on the jig positioning plate 10. The pressing mechanisms 20 are used for fixing the frame structure of the workpiece 200, and a plurality of the pressing mechanisms 20 are rotatably arranged on the bearing table 101 and distributed on two opposite sides of the jig positioning plate 10. Part of the pressing mechanism 20 may be disposed on a side of the jig positioning plate 10 away from the carrier 101. The clamping mechanism 30 comprises a clamping member 31, a fixing member 32, a transmission member 33 and a clamping driver 34, wherein the clamping member 31 is rotatably connected with the fixing member 32, the fixing member 32 is arranged on the bearing table 101, the transmission member 33 is movably connected with the clamping member 31, and the clamping driver 34 is connected with the transmission member 33 and is used for driving the transmission member 33 to move so as to link the clamping member 31, so that the clamping member 31 clamps or releases a part of structure on the workpiece 200. The positioning device 100 in the embodiment of the present application performs multi-directional and multi-angle fixing on the workpiece 200 to be processed through the pressing mechanism 20 and the clamping mechanism 30, so as to effectively reduce vibration and displacement of the workpiece generated in the processing process, effectively solve the problem of processing difficulty of large-size thin plate type workpieces, and improve the processing quality of the workpiece.

Specifically, referring to fig. 3A and 3B, the sheet-type workpiece 200 has dimensions of about: 409.4, 172.6, 16.6mm, with plate thickness dimensions ranging between 1.0mm and 2.0mm, including but not limited to aluminum alloys. The inner surface of the workpiece 200 is also provided with protruding ribs. Referring to fig. 2 and 4 again, the overall dimension of the jig positioning plate 10 is matched with the inner surface dimension of the workpiece 200, so that when the workpiece 200 is fastened on the jig positioning plate 10, the workpiece 200 can be initially positioned. The jig positioning plate 10 is sequentially provided with a first adsorption area 11, a second adsorption area 12 and a third adsorption area 13, each adsorption area is provided with a suction groove 14, the bearing table 101 is provided with a plurality of suction pieces 102, and the suction pieces 102 are communicated with the suction grooves 14, so that the suction grooves 14 are in a negative pressure state. The first adsorption area 11, the second adsorption area 12 and the third adsorption area 13 are used for adsorbing different parts of the workpiece 200, and the positioning effect of the workpiece is enhanced.

The jig positioning plate 10 is further provided with a mounting groove 15, and the clamping piece 31 is partially arranged in the mounting groove 15 so as to clamp and fix the rib structure on the workpiece 200, so that the rib structure is conveniently provided with holes and a threaded structure in the follow-up process. In the embodiment of the present application, the mounting groove 15 is opened on one side of the jig positioning plate 10, the clamping mechanism 30 is disposed corresponding to the mounting groove 15, and the clamping member 31 is used for clamping the end of the rib structure on the workpiece 200, so as to reduce the vibration of the workpiece 200 during drilling, and improve the processing yield and the processing quality.

Referring to fig. 4, 5 and 6 again, in the clamping mechanism 30, two clamping members 31 are disposed opposite to each other and spaced apart from each other, and each clamping member 31 is rotatably connected to a fixing member 32. One side of the bearing table 101 is provided with a groove 103 corresponding to the mounting groove 15, and the fixing member 32 is mounted in the groove 103. Clamping member 31 includes a first end 311 for clamping a rib of work piece 200 and a second end 312, wherein second end 312 is movably connected to transmission member 33. Specifically, the clamping member 31 is further provided with a slope 313 located inside the second end 312. The inclined surfaces 313 of the two clamping pieces 31 are oppositely arranged, the transmission piece 33 is partially arranged between the two inclined surfaces 313, and the included angle between the two inclined surfaces 313 is an acute angle. One end of the transmission member 33 is connected to the clamping driver 34, and the other end of the transmission member 33 is provided with a protrusion 331. When the first end 311 of the clamping member 31 clamps the workpiece 200, the inclined surface 313 abuts against the protrusion 331. Further, the periphery of the convex portion 331 is provided with a tapered surface matching the inclined surface 313 of the clamping member 31. The clamping member 31, the fixing member 32 and the transmission member 33 form a lever structure therebetween. When the clamping driver 34 pulls the transmission member 33 downward, the peripheral edge of the protrusion 331 applies a force to the inclined surface 313, so that the first end 311 of the clamping member 31 generates a clamping force on the workpiece 200 to clamp the workpiece 200. When the clamping driver 34 pushes the transmission member 33 upward, the clamping member 31 is released by engagement of the tapered surface with the inclined surface 313, thereby releasing the workpiece 200.

Further, the first end 311 of the clamping member 31 is further provided with a flexible member 35, the flexible member 35 is used for clamping the workpiece 200, absorbing uneven deformation of the surface of the workpiece 200, and improving the universality of the clamping mechanism 30, and can improve the friction force between the clamping member 31 and the workpiece 200, which is beneficial to ensuring the clamping effect. The clamping mechanism 30 further comprises a mounting block 36, wherein the mounting block 36 is disposed at an end of the clamping driver 34, and is used for fixing the clamping driver 34 on the bearing platform 101. The mounting block 36 is further provided with a through hole, and the transmission member 33 is partially arranged in the through hole.

In the embodiment of the present application, two sets of clamping mechanisms 30 are arranged in parallel and at intervals for clamping the end structure of the workpiece 200, and in other embodiments, the number and the arrangement positions of the clamping mechanisms 30 may be installed as required, which is not limited in the present application. The clamping force of the single clamping mechanism 30 can reach 15Kg, the clamping force can ensure that the workpiece 200 does not generate displacement and vibration in the machining process, the position of a product is automatically corrected in the clamping process, the position of the workpiece 200 is not changed, and accurate positioning is realized. The movable fit between the transmission member 33 and the clamping member 31 can effectively control the opening angle of the clamping mechanism 30. The mechanism is small and simple in design, good in interchangeability and low in manufacturing cost. The clamping mechanism 30 of the application has the advantages that through the lever principle and the structure that the inclined surface 313 is matched, under the conditions of stable output force and reliable clamping action, the moving space of the mechanism is controlled within a small range, the space occupied by the mechanism is reduced, and the structure compactness of the device is improved.

Referring to fig. 4 and 7, the positioning device 100 further includes a rotary fastening mechanism 40, and the rotary fastening mechanism 40 is mounted on the bearing platform 101 and disposed through the jig positioning plate 10 for assisting in positioning the workpiece 200. The rotary crimping mechanism 40 includes a crimp 41 and a rotary driver 42. The buckling and pressing piece 41 penetrates through the jig positioning plate 10, the rotary driver 42 is installed on one side, deviating from the jig positioning plate 10, of the bearing platform 101, and is in transmission connection with the buckling and pressing piece 41 and used for driving the buckling and pressing piece 41 to rotate and/or lift. The pressing member 41 includes a supporting portion 411 and a connecting portion 412, the supporting portion 411 is disposed at one end of the connecting portion 412 and is formed as an integral structure with the connecting portion 412, and the other end of the connecting portion 412 is in transmission connection with the rotary driver 42. Two ends of the abutting portion 411 protrude from the connecting portion 412, so that the pressing member 41 is substantially T-shaped. The workpiece 200 is provided with a through groove corresponding to the buckling piece 41, after the workpiece 200 is placed on the jig positioning plate 10, the abutting part 411 of the buckling piece 41 penetrates out of the through groove, and then the rotary driver 42 drives the buckling piece 41 to rotate and pull down, so that the abutting part 411 and the through groove on the workpiece 200 are dislocated and abut against the surface of the workpiece 200, the workpiece 200 is fixed on the jig positioning plate 10, the displacement and the shaking of the workpiece 200 are reduced, and the problems of tool clamping and vibration of the workpiece 200 in the machining process are solved.

Referring to fig. 4 and 8, the positioning mechanism 50 includes a pin 51 and a lifting cylinder 52, one end of the pin 51 is connected to the lifting cylinder 52, and the other end of the pin passes through the jig positioning plate 10, when the lifting cylinder 52 drives the pin 51 to ascend, the pin 51 can be inserted into a corresponding positioning hole on the workpiece 200 to assist in positioning the workpiece 200, and reduce vibration of the workpiece 200 during processing. Further, two sets of positioning mechanism 50 sets up along the diagonal interval of tool locating plate 10's first adsorption zone 11 to carry out horizontal and vertical location to work piece 200, when realizing the accurate location of work piece, can revise work piece deformation and dimensional tolerance automatically, solve the work piece and warp big, not good problem of placing.

Referring to fig. 1, 4, 9 and 10, the pressing mechanism 20 includes a first pressing member 21, a second pressing member 22, a first pressing driver 23 and a second pressing driver 24. The first pressing driver 23 is connected to the first pressing member 21, and is configured to drive the first pressing member 21 to rotate and lift. The second pressing driver 24 is connected to the second pressing member 22, and is configured to drive the second pressing member 22 to rotate and lift. In the embodiment of the present application, two first pressing pieces 21 are symmetrically disposed on two opposite sides of the jig positioning plate 10, and a projection of the first pressing piece 21 on the upper surface of the jig positioning plate 10 partially overlaps with the second absorption area 12 and/or the third absorption area 13, so as to fix an uncut area of the workpiece 200. The second pressing members 22 are disposed at intervals on the opposite sides of the first absorption area 11 on the jig positioning plate 10, and are used for fixing the frame structure of the workpiece 200. The first pressing driver 23 and the second pressing driver 24 include, but are not limited to, a rotary cylinder, a motor, and the like, are disposed at the bottom of the plummer 101, and are connected to the first pressing member 21 and the second pressing member 22 in a one-to-one correspondence. It should be noted that the number and the positions of the first pressing member 21 and the second pressing member 22 may be set according to the size and the shape of the workpiece 200, so as to meet the positioning requirement, which is not limited in the present application.

Further, a first cushion block 25 is further disposed on a side of the first pressing member 21 facing the jig positioning plate 10, and is used for increasing the friction force between the first pressing member 21 and the workpiece 200 and absorbing the dimensional tolerance of the outer shape of the workpiece 200. One side of the second pressing piece 22 facing the jig positioning plate 10 is provided with a second cushion block 26, and the side of the second cushion block 26 is provided with an arc surface 261 for adapting to the appearance structure of the workpiece 200, so that the vibration of the workpiece is further reduced, and the positioning effect is improved.

Referring to fig. 1 again, the positioning device 100 of the present application further includes two sets of rotating assemblies 60 respectively connected to two opposite sides of the carrier 101, which can drive the carrier 101 to rotate, so as to adjust the angle of the workpiece 200, thereby implementing different processing procedures.

The utility model provides a positioner 100 is through setting up multiple structures such as hold-down mechanism 20, fixture 30, rotatory withholding mechanism 40, positioning mechanism 50, from the fixed work piece of many angles, revise the deflection and the dimensional tolerance of work piece, successfully solved the work piece and warp and lead to the screw hole to drop, off normal, the work piece vibration, blanking card sword scheduling problem, effectively improve the machining precision, make work piece processing yield promote 96% from 65%, obvious reduction in production cost, promotion machining efficiency.

Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims

1. A positioning device, comprising:

a bearing table;

the jig positioning plate is arranged on the bearing table;

the rotary pressing mechanism is rotatably arranged on the bearing table and distributed on two opposite sides of the jig positioning plate;

the clamping mechanism comprises a clamping piece, a fixing piece, a transmission piece and a clamping driver, wherein the clamping piece is rotatably connected with the fixing piece, the fixing piece is arranged on the plummer, the transmission piece is movably connected with the clamping piece, and the clamping driver is connected with the transmission piece and is used for driving the transmission piece to move so as to link the clamping piece.

2. The positioning device of claim 1, wherein:

the clamping piece comprises a first end and a second end, the first end is used for clamping a workpiece, and the second end is movably connected with the transmission piece;

the two clamping pieces are arranged oppositely and at intervals, and each clamping piece is rotatably connected with one fixing piece;

the clamping pieces are further provided with inclined planes, the inclined planes of the two clamping pieces are arranged oppositely, and the transmission part is partially arranged between the two inclined planes.

3. The positioning device of claim 2, wherein:

an included angle between the two inclined planes is an acute angle;

one end of the transmission piece is connected with the clamping driver, and the other end of the transmission piece is provided with a convex part; when the first end clamps the workpiece, the inclined surface abuts against the convex part.

4. The positioning device of claim 2, wherein:

the jig positioning plate is also provided with a mounting groove, and the clamping part is partially arranged in the mounting groove;

the bearing table is provided with a groove corresponding to the mounting groove, and the fixing piece is mounted in the groove.

5. The positioning device of claim 1, wherein:

the fixture positioning plate is arranged on the bearing table and penetrates through the fixture positioning plate;

the rotary buckling and pressing mechanism comprises a buckling and pressing piece and a rotary driver; the crimping piece runs through the jig positioning plate, the rotary driver is installed on one side, deviating from the jig positioning plate, of the bearing platform, and the rotary driver is in transmission connection with the crimping piece.

6. The positioning device of claim 5, wherein:

the buckling part comprises a propping part and a connecting part, the propping part is arranged at one end of the connecting part and is in an integrated structure with the connecting part, and the other end of the connecting part is in transmission connection with the rotary driver;

the two ends of the abutting part protrude out of the connecting part.

7. The positioning device of claim 1, wherein:

a first adsorption area, a second adsorption area and a third adsorption area are sequentially arranged on the jig positioning plate; the first adsorption area, the second adsorption area and the third adsorption area are all provided with adsorption grooves;

the bearing table is provided with a plurality of air suction pieces, and the air suction pieces are communicated with the air suction grooves.

8. The positioning device of claim 7, wherein:

the positioning mechanism comprises a pin and a lifting cylinder;

one end of the pin is connected with the lifting cylinder, and the other end of the pin penetrates through the jig positioning plate;

two sets of the positioning mechanisms are arranged at intervals along the diagonal line of the first adsorption area.

9. The positioning device of claim 7, wherein:

the pressing mechanism comprises a first pressing piece, a second pressing piece, a first pressing driver and a second pressing driver;

the two first pressing pieces are symmetrically arranged on two opposite sides of the jig positioning plate, and the projection of the first pressing pieces on the jig positioning plate is partially overlapped with the second adsorption area and/or the third adsorption area; the second pressing pieces are arranged on two opposite sides of the first adsorption area at intervals;

the first pressing driver and the second pressing driver are arranged on one side, deviating from the jig positioning plate, of the bearing table and are respectively connected with the first pressing piece and the second pressing piece in a one-to-one correspondence mode.

10. The positioning device of claim 9, wherein:

one side of the first pressing piece, which faces the jig positioning plate, is also provided with a first cushion block for clamping a workpiece;

one side of the second pressing piece, which faces the jig positioning plate, is provided with a second cushion block, the side edge of the second cushion block is provided with an arc surface, and the arc surface is used for adapting to the appearance structure of the workpiece.