CN211465414U - Self-centering and positioning clamping device - Google Patents
Self-centering and positioning clamping device Download PDFInfo
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- CN211465414U CN211465414U CN201921975969.5U CN201921975969U CN211465414U CN 211465414 U CN211465414 U CN 211465414U CN 201921975969 U CN201921975969 U CN 201921975969U CN 211465414 U CN211465414 U CN 211465414U
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- clamping
- connecting block
- guide rail
- cylinder
- bottom plate
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Abstract
The utility model discloses a from centering, location clamping device, including bottom plate, setting at the gear of bottom plate center department and with first rack, the second rack of gear engaged with, set up at the first tight guide rail of clamp and the first fixing base on bottom plate right side, be equipped with first tight arm of clamp on the first fixing base, set up and press from both sides tight guide rail and second fixing base at the left second of bottom plate, be equipped with the tight arm of second clamp on the second fixing base, the tight arm of first clamp and second clamp can follow the removal of Y axle direction, device accessible gear drives the removal of first fixing base and second fixing base in the X axle direction. The self-centering and positioning clamping device is simple in structure, convenient and accurate to adjust, adopts a gear rack transmission structure for adjusting in the horizontal X-axis direction, and clamps a workpiece to a central position; the mode that a cylinder rod of a telescopic cylinder drives a moving plate to move along a guide rail is adopted for adjustment in the horizontal Y-axis direction, so that the workpiece can move in the horizontal Y-axis direction.
Description
Technical Field
The utility model relates to a from centering, positioning and clamping device.
Background
At present, the assembly of various types of products (such as mobile phones, tablet computers, washing machines and other electronic products), the assembly of part modules and the assembly of shells are mostly locked and fixed through screws, and an automatic screw locking machine can automatically lock the screws, so that the production efficiency is greatly improved; in the automatic locking process, the accurate positioning of the workpiece is the premise of improving the locking precision, and if the workpiece is not centered and positioned, the adverse conditions of screw locking deflection, screw locking failure and the like can be caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a from centering, positioning and clamping device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a self-centering and positioning clamping device comprises a bottom plate, a gear arranged at the center of the bottom plate, a first rack and a second rack which are meshed with the gear, a first clamping guide rail and a first fixing seat which are arranged on the right side of the bottom plate, wherein the first fixing seat is connected with the bottom plate through the first clamping guide rail, a first clamping arm is arranged on the first fixing seat, a second clamping guide rail and a second fixing seat which are arranged on the left side of the bottom plate are arranged, the second fixing seat is connected with the bottom plate through the second clamping guide rail, a second clamping arm is arranged on the second fixing seat, the first clamping arm and the second clamping arm can move along the Y-axis direction, a clamping cylinder is arranged on the gear, a cylinder rod of the clamping cylinder is fixedly connected with the first fixing seat, the first rack is connected with the first fixing seat, and the second rack is connected with the second fixing seat, the first fixing seat and the second fixing seat are driven to move in the X-axis direction through the gear.
Furthermore, the first clamping arm comprises a first connecting block, first telescopic guide rails are arranged on the inner side and the outer side of the first connecting block, the outer side of the first connecting block is connected with a first base plate through the first telescopic guide rails, the first base plate is fixed on a first fixing seat, a first telescopic cylinder is arranged on the outer side of the first base plate, a cylinder rod of the first telescopic cylinder is connected with the first connecting block, the inner side of the first connecting block is connected with a first movable plate through the first telescopic guide rails, a second telescopic cylinder is further arranged on the first connecting block, and a cylinder rod of the second telescopic cylinder is connected with the first movable plate.
Furthermore, the second clamping arm comprises a second connecting block, second telescopic guide rails are arranged on the inner side and the outer side of the second connecting block, the outer side of the second connecting block is connected with a second base plate through the second telescopic guide rails, the second base plate is fixed on a second fixing seat, a third telescopic cylinder is arranged on the outer side of the second connecting block, a cylinder rod of the third telescopic cylinder is connected with the second connecting block, the inner side of the second connecting block is connected with a second moving plate through the second telescopic guide rails, a fourth telescopic cylinder is further arranged on the second connecting block, and a cylinder rod of the fourth telescopic cylinder is connected with the first moving plate.
Furthermore, a first clamping head is arranged on the first moving plate, a second clamping head is arranged on the second moving plate, and the shapes and the sizes of the first clamping head and the second clamping head are matched with those of the workpiece.
Further, the contact surfaces of the first clamping head and the second clamping head and the workpiece are triangular concave surfaces.
Further, the cross-sectional shapes of the first moving plate and the second moving plate are 'L' -shaped.
Has the advantages that:
the utility model provides a self-centering and positioning clamping device, which has simple structure, convenient and accurate adjustment, adopts a gear rack transmission structure for the adjustment in the horizontal X-axis direction, drives a gear to rotate by a clamping cylinder, and simultaneously assists a cylinder rod to drive a fixed seat to move, thereby smoothly clamping a workpiece to a central position; the mode that a cylinder rod of a telescopic cylinder drives a moving plate to move along a guide rail is adopted for adjustment in the horizontal Y-axis direction, so that the workpiece can move in the horizontal Y-axis direction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of a first clamp arm of the present invention;
fig. 4 is a schematic structural view of a second clamp arm according to the present invention.
In the figure: 1-bottom plate, 2-gear, 3-first rack, 4-second rack, 5-first clamping guide rail, 6-first fixed seat, 7-first clamping arm, 71-first connecting block, 72-first telescopic guide rail, 73-first base plate, 74-first moving plate, 75-first clamping head, 8-second clamping guide rail, 9-second fixed seat, 10-second clamping arm, 101-second connecting block, 102-second telescopic guide rail, 103-second base plate, 104-second moving plate, 105-second clamping head, 11-clamping cylinder, 12-first telescopic cylinder, 13-second telescopic cylinder, 14-third telescopic cylinder and 15-fourth telescopic cylinder.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model provides a self-centering and positioning clamping device, which comprises a bottom plate 1, a gear 2 arranged at the center of the bottom plate 1, a first rack 3 and a second rack 4 meshed with the gear 2, a first clamping guide rail 5 and a first fixed seat 6 arranged at the right side of the bottom plate 1, the first fixed seat 6 is connected with the bottom plate 1 through a first clamping guide rail 5, a first clamping arm 7, a second clamping guide rail 8 and a second fixed seat 9 which are arranged on the left side of the bottom plate 1 are arranged on the first fixed seat 6, the second fixed seat 9 is connected with the bottom plate 1 through a second clamping guide rail 8, a second clamping arm 10 is arranged on the second fixed seat 9, a clamping cylinder 11 is arranged on the gear 2, a cylinder rod of the clamping cylinder 11 is fixedly connected with the first fixed seat 6, the first rack 3 is connected with the first fixed seat 6, and the second rack 4 is connected with the second fixed seat 9.
This device sets up in locking mechanism below, after the work piece was transported from the workstation, die clamping cylinder 11 began to operate, die clamping cylinder 11's cylinder pole drives first fixing base 6 and removes to the center, first fixing base 6 drives the first rack 3 with first fixing base 6 fixed connection and removes, first rack 3 drives second rack 4 through gear 2 and toward 3 moving direction with first rack, opposite direction removes, second rack 4 and second fixing base 9 fixed connection simultaneously, then second fixing base 9 removes to the center through first rack 3 and first fixing base 6 together, it is tight to press from both sides the centering with the work piece.
The first clamping arm 7 comprises a first connecting block 71, first telescopic guide rails 72 are arranged on the inner side and the outer side of the first connecting block 71, the outer side of the first connecting block 71 is connected with a first base plate 73 through the first telescopic guide rails 72, the first base plate 73 is fixed on the first fixing seat 6, a first telescopic cylinder 12 is arranged on the outer side of the first connecting block, a cylinder rod of the first telescopic cylinder 12 is connected with the first connecting block 71, the inner side of the first connecting block 71 is connected with a first moving plate 74 through the first telescopic guide rails 72, a second telescopic cylinder 13 is further arranged on the first connecting block 71, and a cylinder rod of the second telescopic cylinder 13 is connected with the first moving plate 74.
The second clamping arm 10 comprises a second connecting block 101, second telescopic guide rails 102 are arranged on the inner side and the outer side of the second connecting block 101, the outer side of the second connecting block 101 is connected with a second base plate 103 through the second telescopic guide rails 102, the second base plate 103 is fixed on a second fixing seat 9, a third telescopic cylinder 14 is arranged on the outer side of the second connecting block 101, a cylinder rod of the third telescopic cylinder 14 is connected with the second connecting block 101, the inner side of the second connecting block 101 is connected with a second moving plate 104 through the second telescopic guide rails 102, a fourth telescopic cylinder 15 is further arranged on the second connecting block 101, and a cylinder rod of the fourth telescopic cylinder 15 is connected with the first moving plate 74.
After the workpiece is clamped, the first telescopic cylinder 12 and the third telescopic cylinder 14 on the first substrate 73 and the second substrate 103 start to work simultaneously, the first telescopic cylinder 12 drives the first connecting block 71 to move towards the direction close to or away from the bottom plate 1 along the first telescopic guide rail 72, the cylinder rod of the third telescopic cylinder 14 drives the second connecting block 101 to move towards the direction close to or away from the bottom plate 1 along the second telescopic guide rail 102, and simultaneously, the cylinder rods of the second telescopic cylinder 13 and the fourth telescopic cylinder 15 on the first connecting block 71 and the second connecting block 101 drive the first moving plate 74 and the second moving plate 104 to move towards the direction close to or away from the bottom plate 1 along the telescopic guide rails on the outer sides, so that the workpiece moves in the Y-axis direction.
The cross-sectional shapes of the first moving plate 74 and the second moving plate 104 are "L" shapes, which not only make the connection more stable, but also play a role in guiding a certain function.
The first moving plate 74 is provided with a first clamping head 75, the second moving plate 104 is provided with a second clamping head 105, and the contact surfaces of the first clamping head 75 and the second clamping head 105 with the workpiece are triangular concave surfaces matched with the shape and size of the workpiece.
The parts connected with the guide rail are provided with sliding blocks, and the parts can move on the guide rail through the sliding blocks.
To the limitation of the protection scope of the present invention, it should be understood by those skilled in the art that, on the basis of the technical solution of the present invention, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present invention.
Claims (6)
1. The self-centering and positioning clamping device is characterized by comprising a bottom plate (1), a gear (2) arranged at the center of the bottom plate (1), a first rack (3) and a second rack (4) meshed with the gear (2), a first clamping guide rail (5) and a first fixing seat (6) arranged on the right side of the bottom plate (1), wherein the first fixing seat (6) is connected with the bottom plate (1) through the first clamping guide rail (5), a first clamping arm (7) is arranged on the first fixing seat (6), a second clamping guide rail (8) and a second fixing seat (9) arranged on the left side of the bottom plate (1), the second fixing seat (9) is connected with the bottom plate (1) through the second clamping guide rail (8), a second clamping arm (10) is arranged on the second fixing seat (9), and the first clamping arm (7) and the second clamping arm (10) can move along the Y-axis direction, the gear (2) is provided with a clamping cylinder (11), a cylinder rod of the clamping cylinder (11) is fixedly connected with the first fixing seat (6), the first rack (3) is connected with the first fixing seat (6), the second rack (4) is connected with the second fixing seat (9), and the gear (2) drives the first fixing seat (6) and the second fixing seat (9) to move in the X-axis direction.
2. The self-centering, positioning clamping device according to claim 1, characterized in that the first clamping arm (7) comprises a first connecting block (71), the inner side and the outer side of the first connecting block (71) are both provided with a first telescopic guide rail (72), the outer side of the first connecting block (71) is connected with a first base plate (73) through a first telescopic guide rail (72), the first base plate (73) is fixed on a first fixed seat (6), and a first telescopic cylinder (12) is arranged on the outer side of the first connecting block, a cylinder rod of the first telescopic cylinder (12) is connected with the first connecting block (71), the inner side of the first connecting block (71) is connected with a first moving plate (74) through a first telescopic guide rail (72), and a second telescopic cylinder (13) is further arranged on the first connecting block (71), and a cylinder rod of the second telescopic cylinder (13) is connected with the first moving plate (74).
3. The self-centering, positioning clamping device according to claim 1, characterized in that the second clamping arm (10) comprises a second connecting block (101), the inner side and the outer side of the second connecting block (101) are both provided with a second telescopic guide rail (102), the outer side of the second connecting block (101) is connected with a second substrate (103) through a second telescopic guide rail (102), the second substrate (103) is fixed on a second fixed seat (9), and the outer side of the connecting rod is provided with a third telescopic cylinder (14), the cylinder rod of the third telescopic cylinder (14) is connected with the second connecting block (101), the inner side of the second connecting block (101) is connected with a second moving plate (104) through a second telescopic guide rail (102), and a fourth telescopic cylinder (15) is further arranged on the second connecting block (101), and a cylinder rod of the fourth telescopic cylinder (15) is connected with the first moving plate (74).
4. The self-centering, positioning and clamping device as claimed in claim 3, characterized in that said first moving plate (74) is provided with a first clamping head (75), said second moving plate (104) is provided with a second clamping head (105), said first clamping head (75) and said second clamping head (105) having a shape and size adapted to the shape and size of the workpiece.
5. The self-centering, locating and clamping device of claim 4, wherein said first clamping head (75) and said second clamping head (105) have triangular concave surfaces in contact with the workpiece.
6. The self-centering, positioning and clamping device according to claim 5, characterized in that said first moving plate (74) and said second moving plate (104) have an "L" shape in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975969.5U CN211465414U (en) | 2019-11-15 | 2019-11-15 | Self-centering and positioning clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975969.5U CN211465414U (en) | 2019-11-15 | 2019-11-15 | Self-centering and positioning clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211465414U true CN211465414U (en) | 2020-09-11 |
Family
ID=72357728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921975969.5U Active CN211465414U (en) | 2019-11-15 | 2019-11-15 | Self-centering and positioning clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211465414U (en) |
-
2019
- 2019-11-15 CN CN201921975969.5U patent/CN211465414U/en active Active
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