CN216421495U - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN216421495U CN216421495U CN202122243651.1U CN202122243651U CN216421495U CN 216421495 U CN216421495 U CN 216421495U CN 202122243651 U CN202122243651 U CN 202122243651U CN 216421495 U CN216421495 U CN 216421495U
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- clamping
- clamping hand
- guide rail
- linear guide
- lifter
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Abstract
The utility model provides a clamping device, which comprises a supporting part, a first clamping hand, a second clamping hand and a lifting part, wherein a linear guide rail is laid on the supporting part along the length direction; the first clamping hand is arranged on the linear guide rail and is in sliding connection with the linear guide rail, so that the first clamping hand can move along the direction of the linear guide rail; the second clamping hand is arranged on the linear guide rail, and the second clamping hand and the first clamping hand are symmetrically arranged to form a U-shaped clamping space; the second clamp is connected with the linear guide rail in a sliding manner, and the second clamp can move along the direction of the linear guide rail; the lifting part is arranged at the bottom of the supporting part and drives the supporting part to do lifting motion along the vertical direction, the utility model realizes the clamping and positioning of large-scale workpieces by arranging two movable clamping hands to form a U-shaped clamping space, and the clamping effect of the formed U-shaped clamping space is firm and stable, thereby preventing the workpiece from falling off in the moving or welding construction process; meanwhile, the height of the workpiece can be adjusted, the welding precision is ensured, and the welding quality is improved.
Description
Technical Field
The utility model relates to a mechanical welding field specifically, relates to a clamping device.
Background
The manufacturing process in the field of heavy manufacturing industry can involve the welding of large-scale workpieces, after the large-scale workpieces are hoisted to the designated position through the hoisting mechanism, the large-scale workpieces can swing due to the fact that the large-scale workpieces are large in size and weight, accurate positioning cannot be achieved, and welding precision is low.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a clamping device has realized fixing a position the welded accuracy of large-scale work piece.
The utility model provides a clamping device, include:
a support part on which a linear guide rail is laid in a length direction;
the first clamping hand is arranged on the linear guide rail and is in sliding connection with the linear guide rail, so that the first clamping hand can move along the direction of the linear guide rail;
the second clamping hand is arranged on the linear guide rail, and the second clamping hand and the first clamping hand are symmetrically arranged to form a U-shaped clamping space for clamping a weldment; the second clamp is connected with the linear guide rail in a sliding mode, so that the second clamp can move along the direction of the linear guide rail;
the lifting part is arranged at the bottom of the supporting part and drives the supporting part to do lifting motion along the vertical direction.
Preferably, the clamping device comprises:
the ball screw is arranged on the supporting part and is connected with the first clamping hand and the second clamping hand;
the first speed reduction motor is connected with the ball screw, and the first speed reduction motor drives the ball screw to work, so that the first clamping hand and the second clamping hand are driven to synchronously move in a centering manner along the linear guide rail.
Preferably, the clamping device comprises: a support case having an accommodation space for accommodating the elevating part.
Preferably, a telescopic guide component is vertically arranged on the supporting box body, the lower end of the guide component is fixed with the supporting box body, and the upper end of the guide component is fixed with the bottom surface of the supporting part.
Preferably, the elevating part includes:
the first lifter is arranged on one side of the bottom of the supporting part, the upper end of the first lifter is connected with the bottom of the supporting part, and the lower end of the first lifter is connected with the supporting box body;
the second lifter is arranged on the other side of the bottom of the supporting part, the upper end of the second lifter is connected with the bottom of the supporting part, and the lower end of the second lifter is connected with the supporting box body;
and the second speed reducing motor is connected with the first lifter and the second lifter and synchronously drives the first lifter and the second lifter to do lifting motion, so that the frame is driven to do lifting motion.
Preferably, the clamping device comprises: and the moving part is used for driving the supporting box body and the supporting part to move along the designated direction.
Preferably, the moving part includes:
the track is laid on the ground along the linear direction;
the guide sliding block is arranged at the bottom of the supporting box body, the supporting box body is connected with the track in a sliding mode through the guide sliding block, and the supporting box body can move along the track direction.
Preferably, the moving part further includes:
the transmission rack extends along the track direction and is positioned between the two guide rails of the track;
and the gear and rack transmission device is arranged in the supporting box body and is connected with the transmission rack to drive the supporting box body to move along the track direction.
Preferably, the supporting part is provided with a follow-up telescopic dustproof steel belt, the dustproof steel belt is arranged on the inner sides of the first clamping hand and the second clamping hand and can be synchronously stretched along with the first clamping hand and the second clamping hand, and therefore a closed space is formed inside the supporting part.
Preferably, the clamping device comprises: and the PLC control device is used for controlling the lifting part to lift and the first clamping hand and the second clamping hand to synchronously move.
Compared with the prior art, the utility model discloses has following at least one kind's beneficial effect:
the device of the utility model has the advantages that the U-shaped clamping space is formed by the centering arrangement of the two movable clamping hands, the clamping and the positioning of the large-sized workpiece are realized, the clamping effect of the U-shaped clamping space is firm and stable, and the falling accident of the large-sized workpiece in the moving or welding construction process is prevented; meanwhile, the height of the large workpiece is further adjusted by arranging the lifting part, so that the welding position is adjusted, the welding precision is ensured, the welding quality is improved, and the problem that the large and heavy workpieces are difficult to move in a limited field is solved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a clamping device according to a preferred embodiment of the present invention;
fig. 2 is a schematic view showing a state in which the elevating portion of the holding device according to a preferred embodiment of the present invention is accommodated in the supporting case;
fig. 3 is a schematic view of a state in which the elevating portion of the holding device of a preferred embodiment of the present invention is extended out of the supporting box;
fig. 4 is a schematic structural view of a support portion according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural view of a clamping device including a moving part according to a preferred embodiment of the present invention;
the scores in the figure are indicated as: 1 is a supporting part, 2a is a first clamping hand, 2b is a second clamping hand, 3a is a first lifter, 3b is a second lifter, 4 is a supporting box body, 5 is a first speed reducing motor, 6 is a guide part, 7 is a track, 8 is a guide sliding block, 9 is a transmission rack and 10 is a dustproof steel belt.
Detailed Description
The present invention will be described in detail with reference to specific embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention. Portions not described in detail in the following embodiments may be implemented using existing components.
Referring to fig. 1, the present embodiment provides a schematic structural diagram of a clamping device, which includes a supporting portion 1, a first gripper 2a, a second gripper 2b, and a lifting portion. The accurate positioning and welding of the welding part (large-sized workpiece) can be realized.
The support part 1 is laid with a linear guide rail along the length direction. The support portion 1 may be a frame structure with certain rigidity, and plays a role of bearing and supporting, and may provide horizontal stroke for the first gripper 2a and the second gripper 2 b.
The first clamping hand 2a is arranged on the linear guide rail, and the first clamping hand 2a is connected with the linear guide rail in a sliding mode, so that the first clamping hand 2a can move along the direction of the linear guide rail.
The second clamping hand 2b is arranged on the linear guide rail, and the second clamping hand 2b and the first clamping hand 2a are symmetrically arranged to form a U-shaped clamping space for clamping a weldment; the second clamp is slidably connected to the linear guide, so that the second gripper 2b can move along the linear guide. The clamping and positioning are realized by moving the first clamping hand 12a and the second clamping hand 12b to adjust the size of the U-shaped clamping space. Preferably, the first gripper 2a and the second gripper 2b automatically center the extension and contraction of the grippers to be 250mm to 650 mm.
The lifting part is arranged at the bottom of the supporting part 1 and drives the supporting part 1 to do lifting motion along the vertical direction.
When the device is specifically implemented, the two clamping devices are required to be matched for use, the two clamping devices are respectively arranged at the two ends of the weldment, and the two ends of the weldment are clamped and positioned. The method specifically comprises the following steps: clamping the weldment in a U-shaped clamping space formed by a first clamping hand 2a and a second clamping hand 2b, and clamping and positioning one end of the weldment by moving the first clamping hand 2a and the second clamping hand 2 b; clamping and positioning the other end of the weldment by using the other clamping device according to the steps; and then the lifting parts of the two clamping devices are lifted synchronously to drive the supporting part 1 at the upper part and the clamped large-sized workpiece to be lifted to the welding position, namely the welding position can be adjusted as required through the lifting parts.
In other partially preferred embodiments, the clamping device comprises: the ball screw is arranged in the supporting part 1 and positioned on the inner side of the linear guide rail, and the ball screw is connected with the first clamping hand 2a and the second clamping hand 2 b; referring to fig. 2, the first reduction motor 5 is fixed to one side of the support portion 1. The first speed reducing motor 5 is connected with the ball screw, and the first speed reducing motor 5 drives the ball screw to work so as to drive the first clamping hand 2a and the second clamping hand 2b to synchronously move along the linear guide rail in a centering manner.
In other partially preferred embodiments, as shown with reference to fig. 3, the clamping device comprises: the supporting box body 4 is provided with an accommodating space, and the supporting box body 4 plays a role in supporting and bearing the weldment; the support case 4 has a receiving space with a certain height for receiving the lift.
In other partially preferred embodiments, the support box 4 is provided with a retractable guide member 6 along the vertical direction, and the guide member 6 plays a role in vertical guiding and supporting. The lower end of the guide member 6 is fixed to the support case 4, and the upper end of the guide member 6 is fixed to the bottom surface of the support portion 1. The guide member 6 can be lifted and lowered synchronously with the lifting and lowering of the support 1. Preferably, the guide member 6 is a telescopic rod member.
In other partially preferred embodiments, as shown in fig. 3, the elevating part includes: a first lifter 3a, a second lifter 3b and a second reduction motor, which are installed in the support box 4.
The first lifter 3a is positioned at one side of the bottom of the supporting part 1, the upper end of the first lifter 3a is fixed with the bottom of the supporting part 1, and the lower end of the first lifter 3a is fixed with the bottom surface in the supporting box body 4.
The second lifter 3b is positioned at the other side of the bottom of the supporting part 1, the upper end of the second lifter 3b is fixed with the bottom of the supporting part 1, and the lower end of the second lifter 3b is fixed with the bottom surface in the supporting box body 4.
The second gear motor is connected with the first lifter 3a and the second lifter 3b, and synchronously drives the first lifter 3a and the second lifter 3b to do lifting movement, thereby driving the supporting part 1 to do lifting movement. Fig. 2 is a schematic view showing a state where the first lifter 3a is accommodated in the accommodating space of the support case 4. An opening matched with the size and shape of the first lifter 3a is formed in the upper surface of the supporting box body 4, so that the first lifter can extend out of the upper part of the supporting box body 4 to the outside when moving upwards, as shown in fig. 3.
In other partially preferred embodiments, the clamping device comprises a moving part for moving the supporting box 4 and the supporting part 1 along a designated direction.
As a preferred mode, as shown in fig. 5, the moving part includes a rail 7 and four guide sliders 8, wherein the rail 7 is laid on the ground in a linear direction. The rail 7 is formed by two guide rails spaced by a certain width. The four guide sliding blocks 8 are respectively installed at four corners of the bottom of the supporting box body 4, and the supporting box body 4 is connected with the track 7 in a sliding mode through the four guide sliding blocks 8, so that the supporting box body 4 can move along the direction of the track 7.
Referring to fig. 5, the moving part further includes: a driving rack 9 and a rack and pinion drive, wherein the driving rack 9 extends in the direction of the rail 7 and is located between two rails of the rail 7. The gear rack transmission device is arranged in the supporting box body 4 and is connected with the transmission rack 9 to drive the supporting box body 4 to move along the direction of the track 7.
In other preferred embodiments, referring to fig. 4, a dust-proof steel belt 10 which stretches and contracts with following is arranged on the support portion 1, the dust-proof steel belt 10 is installed on the inner sides of the first clamping hand 2a and the second clamping hand 2b and can stretch and contract with the first clamping hand 2a and the second clamping hand 2b synchronously, so that a closed space is formed inside the support portion 1, and residues in the working process are prevented from falling into the support portion 1 to influence the operation of the equipment.
In other partially preferred embodiments, the clamping device comprises: and the PLC control device is used for controlling the lifting part to lift and the first clamping hand and the second clamping hand to synchronously center and move, so that the automatic operation is realized. During specific implementation, the PLC control device can control the two clamping devices to synchronously lift and clamp, so that the lifting precision and the automatic centering clamping precision of the two clamping devices can be controlled to be plus or minus 0.1 mm.
All the parts used in the application documents can adopt standard parts or common technologies if not detailed, and can be purchased from the market, the specific connection mode of all the parts can adopt conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, the parts and the electrical equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the method is easy to realize for the person skilled in the art, and the detailed description is not provided.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A clamping device, comprising:
a support part on which a linear guide rail is laid along a length direction;
the first clamping hand is arranged on the linear guide rail and is in sliding connection with the linear guide rail, so that the first clamping hand can move along the direction of the linear guide rail;
the second clamping hand is arranged on the linear guide rail, and the second clamping hand and the first clamping hand are symmetrically arranged to form a U-shaped clamping space for clamping a weldment; the second clamping hand is connected with the linear guide rail in a sliding mode, so that the second clamping hand can move along the direction of the linear guide rail;
the lifting part is arranged at the bottom of the supporting part and drives the supporting part to do lifting motion along the vertical direction.
2. The clamping device of claim 1, further comprising:
the ball screw is arranged on the supporting part and is connected with the first clamping hand and the second clamping hand;
the first speed reduction motor is connected with the ball screw, and the first speed reduction motor drives the ball screw to work, so that the first clamping hand and the second clamping hand are driven to synchronously move in a centering manner along the linear guide rail.
3. The clamping device of claim 1, further comprising: a support case having an accommodation space for accommodating the elevating part.
4. A holding device as claimed in claim 3, wherein the support housing is provided with a vertically extendable guide member, a lower end of the guide member being fixed to the support housing, and an upper end of the guide member being fixed to a bottom surface of the support portion.
5. The clamping device of claim 3, wherein the lifting portion comprises:
the first lifter is arranged on one side of the bottom of the supporting part, the upper end of the first lifter is connected with the bottom of the supporting part, and the lower end of the first lifter is connected with the supporting box body;
the second lifter is arranged on the other side of the bottom of the supporting part, the upper end of the second lifter is connected with the bottom of the supporting part, and the lower end of the second lifter is connected with the supporting box body;
and the second speed reducing motor is connected with the first lifter and the second lifter and synchronously drives the first lifter and the second lifter to do lifting motion, so that the supporting part is driven to do lifting motion.
6. The clamping device of claim 5, further comprising a moving part for moving the supporting box and the supporting part in a specific direction.
7. The clamping device of claim 6, wherein the moving portion comprises:
the track is laid on the ground along the linear direction;
the guide sliding block is arranged at the bottom of the supporting box body, the supporting box body is connected with the rail in a sliding mode through the guide sliding block, and the supporting box body can move along the rail direction.
8. The clamping device of claim 7, wherein the moving portion further comprises:
the transmission rack extends along the track direction and is positioned between the two guide rails of the track;
and the gear and rack transmission device is arranged in the supporting box body and is connected with the transmission rack to drive the supporting box body to move along the track direction.
9. The clamping device as claimed in any one of claims 1 to 8, wherein a dust-proof steel band which can be extended and retracted with following is provided on the supporting portion, and the dust-proof steel band is provided on the inner sides of the first clamping hand and the second clamping hand and can be extended and retracted with the first clamping hand and the second clamping hand synchronously, so that a closed space is formed inside the supporting portion.
10. The clamping device of any one of claims 1-8, further comprising: and the PLC control device is used for controlling the lifting part to lift and the first clamping hand and the second clamping hand to synchronously move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122243651.1U CN216421495U (en) | 2021-09-16 | 2021-09-16 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122243651.1U CN216421495U (en) | 2021-09-16 | 2021-09-16 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421495U true CN216421495U (en) | 2022-05-03 |
Family
ID=81321696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122243651.1U Active CN216421495U (en) | 2021-09-16 | 2021-09-16 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421495U (en) |
-
2021
- 2021-09-16 CN CN202122243651.1U patent/CN216421495U/en active Active
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