CN221604263U - Clamping device with center positioning function - Google Patents
Clamping device with center positioning function Download PDFInfo
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- CN221604263U CN221604263U CN202323475929.3U CN202323475929U CN221604263U CN 221604263 U CN221604263 U CN 221604263U CN 202323475929 U CN202323475929 U CN 202323475929U CN 221604263 U CN221604263 U CN 221604263U
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- clamping
- block
- fixedly arranged
- sliding
- clamping seat
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- 238000000034 method Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of workpiece clamping, in particular to a clamping device with a center positioning function, wherein a driving motor is fixedly arranged in a clamping seat, a first lead screw is fixedly arranged at the output end of the driving motor, the upper end of the first lead screw is screwed with the inner top wall of the clamping seat through a bearing, a moving block is arranged on the first lead screw through a threaded screwed sleeve, connecting rods are respectively and uniformly distributed and hinged on the outer side wall of the moving block, the first clamping block is fixedly arranged on a first sliding block, a positioning block is fixedly arranged on a second sliding block, a first adjusting handle is fixedly arranged at the outer end of the second lead screw on the front side after penetrating through the clamping seat, a second bevel gear is screwed in the top wall of the clamping seat through a shaft and a bearing, the inner end of the second lead screw is fixedly provided with a second bevel gear, the center positioning can be performed in the workpiece placing process, and the phenomenon that the workpiece is blocked or the precision is influenced due to displacement is avoided in the workpiece clamping process.
Description
Technical Field
The utility model relates to the technical field of workpiece clamping, in particular to a clamping device with a center positioning function.
Background
When processing the work piece, need use clamping device to carry out centre gripping fixed to it, current clamping device is convenient although using, generally not hard up when placing the work piece on clamping device, have certain displacement volume, can make the work piece produce the displacement and carry out the center calibration to the centre gripping in-process of work piece, if have the blocking thing such as metal piece on clamping device's the mesa, very easily make the work piece appear the card dead or influence the phenomenon emergence of precision problem in the in-process that moves toward the center, consequently need a clamping device with center locate function.
Disclosure of utility model
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a clamping device with a reasonable design and a center positioning function, which is used for solving the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the clamping device comprises a clamping seat and a first clamping block, wherein four first clamping blocks are distributed on equal round corners at the upper part of the clamping seat;
It also comprises:
The driving motor is fixedly arranged in the clamping seat, the output end of the driving motor is fixedly provided with a first lead screw, the upper end of the first lead screw is screwed with the inner top wall of the clamping seat through a bearing, and the first lead screw is sleeved with a moving block through threads;
The four connecting rods are respectively and uniformly distributed and hinged on the outer side wall of the moving block, a first sliding groove communicated with the inside of the clamping seat is formed in the clamping seat, a first sliding block is arranged in the first sliding groove in a sliding manner, one end of each connecting rod is hinged with the first sliding block, and the first clamping block is fixedly arranged on the first sliding block;
The number two sliding blocks are four and are respectively arranged in four number two sliding grooves which are formed in the upper side wall of the clamping seat in a uniformly round angle distribution manner, the number two sliding grooves are positioned between two adjacent number one sliding grooves, and positioning blocks are fixedly arranged on the number two sliding blocks;
The number of the second lead screws is four, the second lead screws are respectively and rotatably connected and arranged in the four second sliding grooves through bearings, the second lead screws are rotatably connected and arranged on the second sliding block through threads, and the outer ends of the second lead screws on the front side penetrate through the clamping seats and are fixedly provided with a first adjusting handle;
The first bevel gear is arranged in the top wall of the clamping seat in a screwed mode through the shaft and the bearing, the second bevel gear is fixedly arranged at the inner end of the second screw rod, and the first bevel gear and the second bevel gear are meshed.
Preferably, the upper part of the first clamping block is movably provided with a second clamping block, the second clamping block is rotatably connected with a third screw rod through a bearing, the upper end of the third screw rod is fixedly provided with a second adjusting handle, the lower end of the third screw rod is rotatably connected with the first clamping block through threads, the lower parts of the second clamping block are respectively fixedly provided with a guide rod at the positions of the two sides of the third screw rod, and the guide rods are movably inserted on the first clamping block.
Preferably, the grooves formed in the two side walls of the positioning block are movably abutted to form abutting blocks, a plurality of springs are fixedly arranged on the inner side walls of the abutting blocks, and one ends of the springs are connected with the inner walls of the grooves.
Preferably, both sides of the upper part of the positioning block are arranged in a downward inclined way, and the upper part of the abutting block is arranged in a downward inclined way.
Preferably, scale marks are arranged at one side of the second sliding groove at the upper part of the clamping seat.
Compared with the prior art, the utility model has the beneficial effects that: the clamping device with the center positioning function can perform center positioning in the process of workpiece placement, and avoid the phenomenon that the workpiece is clamped or precision is affected due to displacement in the process of workpiece clamping.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of a holder in accordance with the present utility model.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an exploded view of the positioning block, the interference block and the spring of the present utility model.
FIG. 5 is an exploded view of a first clamp block, a second clamp block, a third lead screw, a guide rod and a second adjustment handle according to the present utility model.
Reference numerals illustrate:
Clamping seat 1, clamping block 2, driving motor 3, lead screw 4, movable block 5, connecting rod 6, slider 7, slider 8, locating piece 9, lead screw 10, adjusting handle 11, bevel gear 12, bevel gear 13, clamping block 14, lead screw 15, guide bar 16, adjusting handle 17, conflict piece 18, spring 19, scale mark 20.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
Embodiment one:
As shown in fig. 1 to 5, the present embodiment adopts the following technical scheme: the clamping seat comprises a clamping seat 1 and a first clamping block 2, wherein four first clamping blocks 2 are distributed on equal round corners at the upper part of the clamping seat 1;
It also comprises:
The driving motor 3 is fixedly arranged in the clamping seat 1, a first lead screw 4 is fixedly arranged at the output end of the driving motor 3, the upper end of the first lead screw 4 is screwed with the inner top wall of the clamping seat 1 through a bearing, and a moving block 5 is sleeved on the first lead screw 4 through screw threads;
The four connecting rods 6 are respectively and uniformly distributed and hinged on the outer side wall of the moving block 5, a first sliding groove communicated with the inside of the clamping seat 1 is formed in the clamping seat 1, a first sliding block 7 is arranged in the first sliding groove in a sliding manner, one end of each connecting rod 6 is hinged with the first sliding block 7, and the first clamping block 2 is fixedly arranged on the first sliding block 7;
The number two sliding blocks 8 are four, the number two sliding blocks 8 are respectively arranged in four number two sliding grooves which are formed in the upper side wall of the clamping seat 1 in a uniformly round angle distribution manner, the number two sliding grooves are positioned between two adjacent number one sliding grooves, the number two sliding blocks 8 are fixedly provided with positioning blocks 9, the grooves formed in the two side walls of the positioning blocks 9 are movably abutted to form abutting blocks 18, the inner side walls of the abutting blocks 18 are fixedly provided with a plurality of springs 19, one ends of the springs 19 are connected with the inner walls of the grooves, the springs 19 can apply rebound thrust to the abutting blocks 18 after being compressed, so that the abutting blocks 18 are abutted to a workpiece, the workpiece is simply clamped, the workpiece is prevented from loosening in the positioning process, the two sides of the upper part of the positioning blocks 9 are obliquely arranged downwards at the outer sides, and the upper part of the abutting blocks 18 are obliquely arranged downwards at the outer sides, so that the workpiece can be abutted to the positioning blocks 9 and 18 can be guided in installation;
the number two lead screws 10 are respectively arranged in the number two sliding grooves in a penetrating manner through bearings in a penetrating manner, the number two lead screws 10 are arranged on the number two sliding blocks 8 in a penetrating manner through threads in a penetrating manner, a number one adjusting handle 11 is fixedly arranged at the outer end of the number two lead screw 10 at the front side after penetrating through the clamping seat 1, a scale mark 20 is arranged at the position of one side of the number two sliding grooves at the front side above the clamping seat 1, and the number two lead screws 10 are rotated by the number one adjusting handle 11 to adjust the position of the positioning block 9, and meanwhile, the position of the positioning block 9 can be adjusted more accurately through the scale mark 20;
the first bevel gear 12 is rotatably connected with the first bevel gear 12 in the top wall of the clamping seat 1 through a shaft and a bearing, the second bevel gear 13 is fixedly arranged at the inner end of the second lead screw 10, and the first bevel gear 12 is meshed with the second bevel gear 13.
Embodiment two:
As shown in fig. 1, fig. 2 and fig. 5, the present embodiment is an improvement on the basis of the first embodiment, the upper portion of the first clamping block 2 is movably provided with a second clamping block 14, a third screw rod 15 is screwed through a bearing on the second clamping block 14, the upper end of the third screw rod 15 is fixedly provided with a second adjusting handle 17, the lower end of the third screw rod 15 is screwed and inserted into the first clamping block 2, the lower portions of the second clamping block 14 are located at the positions on two sides of the third screw rod 15, guide rods 16 are fixedly provided, the guide rods 16 are movably inserted into the first clamping block 2, the height of the second clamping block 14 can be adjusted by rotating the third screw rod 15, and therefore different heights of the second clamping block can be clamped according to different heights of workpieces.
When the clamping device is used, the position of the positioning block 9 can be adjusted according to the specification of a workpiece to be clamped, the first adjusting handle 11 is rotated, the first adjusting handle 11 drives the second lead screw 10 on the front side to rotate, the fourth lead screw 10 can synchronously rotate under the action of the first bevel gear 12 and the second bevel gear 13, the second slider 8 can drive the positioning block 9 to move under the influence of the rotation of the second lead screw 10, the adjustment of the positions of the fourth positioning block 9 is realized, then the workpiece is placed on the clamping seat 1 and is in interference with the positioning block 9, the central positioning of the workpiece is realized, meanwhile, the interference block 18 can be extruded into a groove by the workpiece to compress the spring 19, the auxiliary clamping of the workpiece in the positioning process is realized under the action of the rebound force exerted by the spring 19 on the interference block 18, the workpiece is avoided, the second adjusting handle 17 can be rotated, the third lead screw 15 is driven to rotate by the second adjusting handle 17, the second clamping block 14 is driven to move up and down under the guiding action provided by the guide rod 16 on the second clamping block 14, the first motor is driven by the second motor to move the second motor to clamp the workpiece 4, the first motor is driven to move the second motor to clamp the workpiece 4 to the workpiece 4, and the second motor is driven to move the workpiece 4 to clamp the workpiece 4 to the workpiece 2 in the same height, and the first motor is driven to clamp the workpiece 2 to rotate the workpiece 4 is driven to rotate the workpiece 4 to rotate and the workpiece 4 to clamp the workpiece 4 to rotate and the workpiece 4.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. Through the cooperation of the second sliding block 8, the positioning block 9, the second lead screw 10, the first adjusting handle 11, the first bevel gear 12 and the second bevel gear 13, the center positioning can be performed in the process of workpiece placement, and the phenomenon that the workpiece is blocked or the precision is affected due to displacement in the process of workpiece clamping is avoided;
2. The adjustment of the different clamping heights of the workpiece by the second clamping block 14 can be adjusted according to the different height specifications of the workpiece through the matching of the third screw 15, the guide rod 16 and the second adjusting handle 17.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A clamping device with a center positioning function comprises a clamping seat (1) and a first clamping block (2), wherein four first clamping blocks (2) are distributed on equal round corners at the upper part of the clamping seat (1);
The method is characterized in that: it also comprises:
The driving motor (3), the driving motor (3) is fixedly arranged in the clamping seat (1), a first lead screw (4) is fixedly arranged at the output end of the driving motor (3), the upper end of the first lead screw (4) is screwed with the inner top wall of the clamping seat (1) through a bearing, and a moving block (5) is sleeved on the first lead screw (4) through screw threads;
The four connecting rods (6) are respectively and uniformly distributed and hinged on the outer side wall of the moving block (5), a first sliding groove communicated with the inside of the clamping seat (1) is formed in the clamping seat, a first sliding block (7) is arranged in the first sliding groove in a sliding manner, one end of the connecting rod (6) is hinged with the first sliding block (7), and the first clamping block (2) is fixedly arranged on the first sliding block (7);
The number two sliding blocks (8) are four, are respectively arranged in four number two sliding grooves which are formed in the upper side wall of the clamping seat (1) in a uniformly round angle distribution manner, are positioned between two adjacent number one sliding grooves, and are fixedly provided with positioning blocks (9);
The number two lead screws (10) are respectively screwed in the four number two sliding grooves through bearings, the number two lead screws (10) are screwed on the number two sliding blocks (8) through threads, and a number one adjusting handle (11) is fixedly arranged at the outer end of the front side of the number two lead screws (10) after penetrating through the clamping seat (1);
The first bevel gear (12), the first bevel gear (12) is connected in the roof of grip slipper (1) through axle and bearing soon, and the inner of No. two lead screws (10) is fixed to be provided with No. two bevel gears (13), and No. one bevel gear (12) and No. two bevel gears (13) mesh and set up.
2. The clamping device with centering function as claimed in claim 1, wherein: the novel clamping device is characterized in that a second clamping block (14) is movably arranged on the upper portion of the first clamping block (2), a third screw rod (15) is rotatably connected to the second clamping block (14) through a bearing, a second adjusting handle (17) is fixedly arranged at the upper end of the third screw rod (15), the lower end of the third screw rod (15) is rotatably connected to the first clamping block (2) through threads, guide rods (16) are fixedly arranged at the positions, located on two sides of the third screw rod (15), of the lower portion of the second clamping block (14), and the guide rods (16) are movably inserted on the first clamping block (2).
3. The clamping device with centering function as claimed in claim 1, wherein: the device is characterized in that the grooves formed in the two side walls of the positioning block (9) are movably abutted to each other, a plurality of springs (19) are fixedly arranged on the inner side walls of the abutting blocks (18), and one ends of the springs (19) are connected with the inner walls of the grooves.
4. A clamping device with centering function as claimed in claim 3, characterized in that: the two sides of the upper part of the positioning block (9) are arranged in a downward inclined way, and the upper part of the abutting block (18) is arranged in a downward inclined way.
5. The clamping device with centering function as claimed in claim 1, wherein: graduation lines (20) are arranged at one side of the second sliding groove at the front side of the upper part of the clamping seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323475929.3U CN221604263U (en) | 2023-12-20 | 2023-12-20 | Clamping device with center positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323475929.3U CN221604263U (en) | 2023-12-20 | 2023-12-20 | Clamping device with center positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221604263U true CN221604263U (en) | 2024-08-27 |
Family
ID=92430990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323475929.3U Active CN221604263U (en) | 2023-12-20 | 2023-12-20 | Clamping device with center positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221604263U (en) |
-
2023
- 2023-12-20 CN CN202323475929.3U patent/CN221604263U/en active Active
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