CN214025392U - Variable positioning strategy assembly fixture based on cross sliding table - Google Patents
Variable positioning strategy assembly fixture based on cross sliding table Download PDFInfo
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- CN214025392U CN214025392U CN202023105207.5U CN202023105207U CN214025392U CN 214025392 U CN214025392 U CN 214025392U CN 202023105207 U CN202023105207 U CN 202023105207U CN 214025392 U CN214025392 U CN 214025392U
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Abstract
The utility model discloses a variable positioning strategy assembly fixture based on a cross sliding table, which comprises a base, a fixture bottom plate and at least one cross sliding table component, wherein each cross sliding table component is provided with a chuck mechanism; the clamp bottom plate is fixed at the top end of the base; each cross sliding table assembly comprises an X-axis guide rail, an X-axis sliding block, an X-axis stepping motor, a Y-axis guide rail, a Y-axis sliding block and a Y-axis stepping motor; each chuck mechanism comprises a hole-series chuck bottom plate, an X-direction chuck support and a Y-direction chuck support, the hole-series chuck bottom plate is fixed on a Y-axis sliding block of the corresponding cross sliding table assembly through bolts, the X-direction chuck support is transversely arranged on the hole-series chuck bottom plate through two short stud bolts, and the Y-direction chuck support is longitudinally arranged on the hole-series chuck bottom plate through two short stud bolts. The utility model discloses a variable positioning strategy assembly jig based on cross slip table is applicable to the location of flexible sheet metal, can reduce the part at the deformation of main plane direction, makes its location more stable.
Description
Technical Field
The utility model relates to a variable positioning strategy assembly jig based on cross slip table.
Background
Compared with a rigid workpiece, when the thin-wall flexible workpiece is assembled and positioned, the 3-2-1 positioning principle which is traditionally suitable for the rigid workpiece cannot meet the positioning stability of the flexible workpiece due to the characteristics of small rigidity and easy deformation. Since thin plate parts are easy to deform in the welding process, a new positioning principle, namely an N-2-1 positioning strategy, is needed, and the positioning strategy is more suitable for flexible thin plate parts compared with a rigid body part six-point positioning principle (namely 3-2-1) and can reduce the deformation of the parts in the main plane direction.
The variable positioning strategy assembling and positioning clamp can be used for establishing a flexible thin plate assembling deviation analysis model, and can establish a flexible assembling deviation analysis model under two modes of positioning release and complete release according to different release modes of the clamp positioning points. These factors make it difficult to model assembly deviation analysis, so experimental verification must be used to improve the accuracy of the assembly deviation analysis. At present, in factories of manufacturing enterprises such as automobiles and the like, clamps are mostly special clamps, and a positioning strategy and a positioning point position are difficult to change, so that a flexible thin plate variable positioning strategy clamp needs to be developed for carrying out an assembly process test, and the flexible assembly deviation analysis precision is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a variable positioning strategy assembly jig based on cross slip table, be applicable to the location of flexible sheet metal, can reduce the part at the deformation of main plane direction, make its location more stable.
The technical scheme for realizing the purpose is as follows: the utility model provides a variable positioning strategy assembly jig based on cross slip table, includes base, anchor clamps bottom plate and at least one cross slip table subassembly, is provided with a chuck mechanism on every cross slip table subassembly, wherein:
the clamp bottom plate is fixed at the top end of the base;
each cross sliding table assembly comprises an X-axis guide rail, an X-axis sliding block, an X-axis stepping motor, a Y-axis guide rail, a Y-axis sliding block and a Y-axis stepping motor, wherein the X-axis guide rail is transversely arranged on the clamp bottom plate; the X-axis sliding block is arranged on the X-axis guide rail in a left-right sliding manner; the X-axis stepping motor is fixed on the clamp bottom plate and is positioned at one end of the X-axis guide rail, and an output shaft of the X-axis stepping motor is connected with the X-axis sliding block; the Y-axis guide rail is longitudinally arranged and is fixed on the X-axis sliding block; the Y-axis sliding block is arranged on the Y-axis guide rail in a front-back sliding manner; the Y-axis stepping motor is fixed on the clamp bottom plate and is positioned at one end of the Y-axis guide rail, and an output shaft of the Y-axis stepping motor is connected with the Y-axis sliding block;
every chuck mechanism all includes hole system chuck bottom plate, X to chuck support and Y to chuck support, hole system chuck bottom plate passes through the bolt fastening on the Y axle slider of corresponding cross slip table subassembly, X is transversely set up through two short stud to chuck support on the hole system chuck bottom plate, Y is vertically set up through two short stud to chuck support on the hole system chuck bottom plate.
The variable positioning strategy assembly fixture based on the cross sliding table is characterized in that the number of the cross sliding table assemblies is 4, and the 4 cross sliding table assemblies are uniformly distributed at four corners of the fixture bottom plate.
The variable positioning strategy assembly fixture based on the cross sliding table is characterized in that the height of each short stud bolt is 60-100 mm, the bottom end of each short stud bolt is fixed on the bottom plate of the hole-series chuck through a nut, and the X-direction chuck support is fixed at the top end of the corresponding short stud bolt through a nut; and the Y-direction chuck support is fixed at the top end of the corresponding short stud bolt through a nut.
The above-mentioned variable positioning strategy assembly fixture based on cross slip table, wherein, still be equipped with auxiliary positioning subassembly on the anchor clamps bottom plate, auxiliary positioning subassembly includes X to positioning mechanism, Y to positioning mechanism and Z to positioning mechanism, wherein:
the X-direction positioning mechanism consists of a long stud bolt connected to the bottom plate of the clamp, an X-direction positioning pin bracket connected to the long stud bolt and an X-direction positioning pin arranged on the X-direction positioning pin bracket;
the Y-direction positioning mechanism consists of a long stud bolt connected to the clamp bottom plate, a Y-direction positioning pin support connected to the long stud bolt and a Y-direction positioning pin arranged on the Y-direction positioning pin support;
the Z-direction positioning mechanism adopts a double-headed bolt type positioning pin, and the bottom end of the double-headed bolt type positioning pin is connected to the clamp bottom plate.
The variable positioning strategy assembly fixture based on the cross sliding table is characterized in that the height of the long stud bolt is 160-200 mm, and the height of the stud bolt type positioning pin is 160-200 mm.
The utility model discloses a variable positioning strategy assembly jig based on cross slip table is applicable to the location of flexible sheet metal, can reduce the part at the deformation of main plane direction, makes its location more stable.
Drawings
FIG. 1 is a three-dimensional structure diagram of the cross sliding table based variable positioning strategy assembly fixture of the present invention;
FIG. 2 is a block diagram of a cross slide set;
FIG. 3 is a schematic view of the installation of a short stud;
fig. 4 is a schematic view of the installation of the auxiliary positioning assembly.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, 2, 3 and 4, the best embodiment of the present invention is a cross sliding table-based variable positioning strategy assembly fixture, which comprises a base 1, a fixture bottom plate 2 and at least one cross sliding table assembly 3, wherein there are 4 cross sliding table assemblies 3, and the 4 cross sliding table assemblies are uniformly distributed at four corners of the fixture bottom plate 2. Each cross slide assembly 3 is provided with a chuck mechanism 4.
The clamp bottom plate 2 is fixed at the top end of the base 1; each cross sliding table assembly 3 comprises an X-axis guide rail 31, an X-axis sliding block 32, an X-axis stepping motor 33, a Y-axis guide rail 34, a Y-axis sliding block and a Y-axis stepping motor 36, wherein the X-axis guide rail 31 is transversely arranged on the clamp bottom plate 2; the X-axis slide block 32 is arranged on the X-axis guide rail 31 in a manner of sliding left and right; an X-axis stepping motor 33 is fixed on the clamp bottom plate 2 and is positioned at one end of the X-axis guide rail 31, and an output shaft of the X-axis stepping motor 33 is connected with an X-axis sliding block 32; the Y-axis guide rail 34 is longitudinally arranged, and the Y-axis guide rail 34 is fixed on the X-axis sliding block 32; the Y-axis slide block is arranged on the Y-axis guide rail 34 in a front-back sliding manner; the Y-axis stepping motor 36 is fixed on the fixture base plate 2 and is positioned at one end of the Y-axis guide rail 34, and an output shaft of the Y-axis stepping motor 34 is connected with the Y-axis sliding block. The effective strokes of the X-axis slider 32 and the Y-axis slider are both 400 mm.
Each chuck mechanism 4 comprises a hole-series chuck bottom plate 41, an X-direction chuck support 42 and a Y-direction chuck support 43, the hole-series chuck bottom plate 41 is fixed on a Y-axis slide block of the corresponding cross slide table assembly 3 through bolts, the X-direction chuck support 42 is transversely arranged on the hole-series chuck bottom plate 41 through two short stud bolts 44, and the Y-direction chuck support 43 is longitudinally arranged on the hole-series chuck bottom plate 41 through two short stud bolts 44. Each short stud bolt 44 is 60 mm-100 mm in height, the bottom end of the short stud bolt 44 is fixed on the hole-series chuck bottom plate 41 through a nut, and the X-direction chuck support 42 is fixed on the top end of the corresponding short stud bolt 44 through a nut; the Y-direction cartridge holder 43 is fixed to the top end of the corresponding short stud bolt 44 by a nut. The X-direction chuck support 42 and the Y-direction chuck support 43 are fixed by two short stud bolts 44, which can prevent the corresponding chuck supports from rotating in the Z-axis direction.
In each cross sliding table assembly 3, the X-axis stepping motor 33 drives the X-axis slider 32 to slide left and right along the X-axis guide rail 31, and drives the Y-axis guide rail 34 thereon to move left and right, and the Y-axis stepping motor 36 drives the Y-axis slider to slide back and forth along the Y-axis guide rail 34, so as to drive the chuck mechanism 4 thereon to slide back and forth, so that the chuck mechanism 4 can be moved freely in the direction X, Y by the X-axis stepping motor 33 and the Y-axis stepping motor 36.
The fixture base plate 2 is also provided with an auxiliary positioning assembly, the auxiliary positioning assembly comprises an X-direction positioning mechanism, a Y-direction positioning mechanism and a Z-direction positioning mechanism, and the X-direction positioning mechanism consists of a long stud bolt 51 connected to the fixture base plate 2, an X-direction positioning pin support 52 connected to the long stud bolt 51 and an X-direction positioning pin 53 arranged on the X-direction positioning pin support 52; the Y-direction positioning mechanism consists of a long stud bolt 54 connected to the clamp base plate 2, a Y-direction positioning pin bracket 55 connected to the long stud bolt 54 and a Y-direction positioning pin 56 arranged on the Y-direction positioning pin bracket 55; the Z-direction positioning mechanism adopts a double-headed bolt type positioning pin 57, and the bottom end of the double-headed bolt type positioning pin 57 is connected to the clamp base plate 2. The long stud bolts 51, 54 have a height of 160mm to 200mm, and the stud-type positioning pin 57 has a height of 160mm to 200 mm.
The utility model discloses a variable positioning strategy assembly jig based on cross slip table, when using, the sheet metal is fixed between chuck mechanism 4 on cross slip table subassembly 3, through the multiple spot location, is showing and is reducing the deformation of sheet metal on the main plane side, has strengthened positioning accuracy and positional stability greatly, the flexible sheet metal of specially adapted.
The utility model discloses a variable positioning strategy assembly jig based on cross slip table, user of service can carry out chuck mechanism 4 and auxiliary positioning subassembly's position adjustment as required. The nut positions for mounting the short stud bolts 44 are adjusted as required in height to realize the movement of the X-direction chuck support 42 and the Y-direction chuck support 43 in the Z-direction, and the 8-point positioning of the main plane is realized. The long stud bolt and the stud bolt type positioning pin are fixed on the clamp base plate 2 through nuts according to use requirements, are used for positioning workpieces to be assembled in different directions, are used for positioning in other three directions, and realize N-2-1(N is 8) positioning.
The utility model discloses a variable positioning strategy assembly jig based on cross slip table, the chuck support of different quantity is selected to the accessible, removes the X axle fixed position of cross slip table subassembly according to the use needs, realizes that 3-2-1 fixes a position the tactics change to 8-2-1 location, realizes the nimble change of location tactics. And a positioning block or a stop block can be arranged on the chuck support to realize the boundary positioning of the sheet part, and the positioning strategy is not required to be changed to arrange the positioning hole or the positioning groove on the sheet part.
To sum up, the utility model discloses a variable positioning strategy assembly jig based on cross slip table has and satisfies different sheet metal part location position and can improve advantages such as flexible deviation analytical accuracy in positioning strategy change demand, the assembling process, is applicable to the location of flexible sheet metal, can reduce the part at the deformation of main plane direction, makes its location more stable.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a variable positioning strategy assembly jig based on cross slip table which characterized in that, includes base, anchor clamps bottom plate and at least one cross slip table subassembly, is provided with a chuck mechanism on every cross slip table subassembly, wherein:
the clamp bottom plate is fixed at the top end of the base;
each cross sliding table assembly comprises an X-axis guide rail, an X-axis sliding block, an X-axis stepping motor, a Y-axis guide rail, a Y-axis sliding block and a Y-axis stepping motor, wherein the X-axis guide rail is transversely arranged on the clamp bottom plate; the X-axis sliding block is arranged on the X-axis guide rail in a left-right sliding manner; the X-axis stepping motor is fixed on the clamp bottom plate and is positioned at one end of the X-axis guide rail, and an output shaft of the X-axis stepping motor is connected with the X-axis sliding block; the Y-axis guide rail is longitudinally arranged and is fixed on the X-axis sliding block; the Y-axis sliding block is arranged on the Y-axis guide rail in a front-back sliding manner; the Y-axis stepping motor is fixed on the clamp bottom plate and is positioned at one end of the Y-axis guide rail, and an output shaft of the Y-axis stepping motor is connected with the Y-axis sliding block;
every chuck mechanism all includes hole system chuck bottom plate, X to chuck support and Y to chuck support, hole system chuck bottom plate passes through the bolt fastening on the Y axle slider of corresponding cross slip table subassembly, X is transversely set up through two short stud to chuck support on the hole system chuck bottom plate, Y is vertically set up through two short stud to chuck support on the hole system chuck bottom plate.
2. The cross sliding table-based variable positioning strategy assembly fixture of claim 1, wherein the number of the cross sliding table assemblies is 4, and the 4 cross sliding table assemblies are uniformly distributed at four corners of the fixture bottom plate.
3. The assembly fixture based on the variable positioning strategy of the cross sliding table according to claim 1, is characterized in that the height of each short stud bolt is 60 mm-100 mm, the bottom end of each short stud bolt is fixed on the bottom plate of the hole-series chuck through a nut, and the X-direction chuck support is fixed on the top end of the corresponding short stud bolt through a nut; and the Y-direction chuck support is fixed at the top end of the corresponding short stud bolt through a nut.
4. The assembly fixture based on the variable positioning strategy of the cross sliding table according to claim 1, wherein an auxiliary positioning assembly is further arranged on the fixture bottom plate, and the auxiliary positioning assembly comprises an X-direction positioning mechanism, a Y-direction positioning mechanism and a Z-direction positioning mechanism, wherein:
the X-direction positioning mechanism consists of a long stud bolt connected to the bottom plate of the clamp, an X-direction positioning pin bracket connected to the long stud bolt and an X-direction positioning pin arranged on the X-direction positioning pin bracket;
the Y-direction positioning mechanism consists of a long stud bolt connected to the clamp bottom plate, a Y-direction positioning pin support connected to the long stud bolt and a Y-direction positioning pin arranged on the Y-direction positioning pin support;
the Z-direction positioning mechanism adopts a double-headed bolt type positioning pin, and the bottom end of the double-headed bolt type positioning pin is connected to the clamp bottom plate.
5. The cross sliding table-based variable positioning strategy assembly fixture of claim 4, wherein the height of the long stud bolt is 160 mm-200 mm, and the height of the stud bolt type positioning pin is 160 mm-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023105207.5U CN214025392U (en) | 2020-12-22 | 2020-12-22 | Variable positioning strategy assembly fixture based on cross sliding table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023105207.5U CN214025392U (en) | 2020-12-22 | 2020-12-22 | Variable positioning strategy assembly fixture based on cross sliding table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214025392U true CN214025392U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023105207.5U Active CN214025392U (en) | 2020-12-22 | 2020-12-22 | Variable positioning strategy assembly fixture based on cross sliding table |
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| Country | Link |
|---|---|
| CN (1) | CN214025392U (en) |
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2020
- 2020-12-22 CN CN202023105207.5U patent/CN214025392U/en active Active
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