CN220920450U - Special chuck lifting mechanism for large-tonnage stretching and replacing device - Google Patents
Special chuck lifting mechanism for large-tonnage stretching and replacing device Download PDFInfo
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- CN220920450U CN220920450U CN202321462904.7U CN202321462904U CN220920450U CN 220920450 U CN220920450 U CN 220920450U CN 202321462904 U CN202321462904 U CN 202321462904U CN 220920450 U CN220920450 U CN 220920450U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 63
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000011900 installation process Methods 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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Abstract
The utility model relates to a large-tonnage stretching special chuck lifting mechanism and a replacing device, wherein two guide rails with the same direction as the equipment or vertical to the equipment are arranged on the table surface or the ground of the equipment below an upper jaw, a bottom beam is respectively arranged at the two guide rails in a counterpoint mode, a scissor jack mechanism is respectively arranged above the two bottom beams, and the upper ends of the two scissor jack mechanisms are respectively connected with two sides of the bottom surface of a lifting plate. In the whole installation process, most of work is completed by the cooperation of lifting plates, scissor jacks, bottom beams and the like, various risks caused by shaking of crown block movement are avoided, the process of clamping head embedding is completed through rotation of rollers, the working efficiency and safety are improved, and the labor intensity of operators is reduced.
Description
Technical Field
The utility model belongs to the technical field of aluminum alloy product processing, and particularly relates to a chuck lifting mechanism and a replacing device special for large-tonnage stretching.
Background
The aluminum alloy product can involve procedures such as straightening and stretching in the processing, and the shape-preserving chucks used in the processing are different in the face of different product specification sections, so that the special chucks for stretching need to be frequently replaced in the stretching process. The clamping head of the small tonnage stretching equipment can be manually replaced by a single person or two persons, but the clamping head of large tonnage equipment and the like is not easy to replace, and particularly, the clamping head 7 positioned at the upper jaw 17 as shown in fig. 2 is not easy to replace, and the structure mainly comprises the following steps: the clamping head is lifted by using the crown block and then moved to a position below the upper jaw, an operator adjusts the height and the horizontal position of the clamping head, aligns the inclined wedge 6 to the slot 16 of the upper jaw, and gradually inserts the inclined wedge into the slot to enable the clamping head to be installed in place. In practical installation, the method is found to be very inconvenient, the chuck is very difficult to align due to the shaking problem when the crown block moves, and the risk of colliding equipment or rubbing operators is also easy to occur, so that a plurality of people need to be carefully matched with each other for each replacement, and a lot of time is required for complete installation.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a special large-tonnage stretching chuck lifting mechanism and a replacing device. In the utility model, two guide rails with the same direction as the equipment or with the two directions perpendicular to the equipment are arranged on the table surface or the ground of the equipment below the upper jaw, a bottom beam is respectively arranged at the two guide rails in a contraposition way, a scissor jack mechanism is respectively arranged above the two bottom beams, and the upper ends of the two scissor jack mechanisms are respectively connected with the two sides of the bottom surface of the lifting plate. When the lifting device is used, the rollers of the two bottom beams are respectively positioned at one guide rail and respectively adjust the height of each scissor jack, the lifting plate is in a horizontal state when the crown block lifts the clamping head on the lifting plate, an operator pushes the lifting plate, the lifting plate moves along with the rollers of the bottom beams and moves to a proper position beside the upper jaw, the two scissor jacks are respectively adjusted to enable the lifting plate to lift up to finish the adjustment of the height position of the clamping head, after the wedge block is aligned with the slot, the lifting plate is pushed to integrally move and finish the installation of the clamping head and the upper jaw, most of work is completed by the cooperation of the lifting plate, the scissor jacks, the bottom beams and the like in the whole process, various risks caused by shaking of the movement of the crown block are avoided, the process of embedding the clamping head is completed through the rotation of the rollers, the working efficiency and the safety are improved, and the labor intensity of the operator is reduced.
The technical scheme adopted by the utility model is as follows:
The utility model provides a special chuck elevating system of large-tonnage stretching which characterized in that: the lifting device comprises a lifting plate and lifting jack mechanisms, wherein two lifting jack mechanisms are respectively arranged on two sides of the two sides or two sides of the bottom surface of the lifting plate, and can be used for independently adjusting the height or jointly adjusting the height and enabling the lifting plate to complete lifting or descending movement.
Further: the bottoms of the two jack mechanisms are provided with a sliding mechanism or a rolling mechanism which can enable the lifting plate and the jack mechanisms to integrally translate.
Further: two sides of the bottom surface of the lifting plate are respectively provided with a jack mechanism, and the bottom of each jack mechanism is provided with a rolling mechanism which can enable the lifting plate and the jack mechanisms to integrally translate.
Further: the jack mechanism comprises a bottom beam, support arms and a screw rod, wherein the front end and the rear end of the bottom beam in the length direction are hinged with the lower end of one support arm respectively, the upper end of each support arm is hinged with the lower end of the other support arm, and the upper end of the other support arm is hinged with the bottom surface of a lifting plate above the bottom beam;
the screw rod seat is sleeved at the mutually hinged position of the two supporting arms at the front end of the bottom beam and the mutually hinged position of the two supporting arms at the rear end of the bottom beam, and the screw rod is rotatably arranged in the two screw rod seats;
the rotation of the screw rod can enable two support arms hinged with each other at the front end and the rear end of the bottom beam at the same side to stretch out and enable the lifting plate at the same side to lift, or the rotation of the screw rod can enable two support arms hinged with each other at the front end and the rear end of the bottom beam at the same side to approach each other and enable the lifting plate at the same side to descend.
Further: rollers are arranged in the front end and the rear end of the bottom beam, and the rollers enable the bottom beam to move; the bottom beam parts at two sides of the axial direction of the roller can be used as side supports.
Another object of the present utility model is to provide a replacement device, which includes a guide rail and a lifting mechanism, wherein two guide rails spaced apart from each other in the same direction as the direction of the equipment are disposed on the surface of the equipment table or the ground where the clamping head is mounted, and rollers disposed on two bottom beams of the lifting mechanism can move along the guide rails in a rolling manner.
Another object of the present utility model is to provide a replacement device, which includes a guide rail and a lifting mechanism, wherein two guide rails spaced apart from each other and perpendicular to the direction of the equipment are provided on the surface of the equipment table or the ground where the clamping head is installed, and rollers provided on two bottom beams of the lifting mechanism can move along the guide rails in a rolling manner.
Further: the guide rail is provided with a guide groove along the length direction, the idler wheels are arranged in the guide groove in a rolling mode, and gaps are reserved between the bottom surfaces of the bottom beams on the two sides of the idler wheels and the upper end faces of the guide rail on the two sides of the guide groove.
The utility model has the advantages and positive effects that:
In the utility model, two guide rails with the same direction as the equipment or with the two directions perpendicular to the equipment are arranged on the table surface or the ground of the equipment below the upper jaw, a bottom beam is respectively arranged at the two guide rails in a contraposition way, a scissor jack mechanism is respectively arranged above the two bottom beams, and the upper ends of the two scissor jack mechanisms are respectively connected with the two sides of the bottom surface of the lifting plate. When the lifting device is used, the rollers of the two bottom beams are respectively positioned at one guide rail and respectively adjust the height of each scissor jack, the lifting plate is in a horizontal state when the crown block lifts the clamping head on the lifting plate, an operator pushes the lifting plate, the lifting plate moves along with the rollers of the bottom beams and moves to a proper position beside the upper jaw, the two scissor jacks are respectively adjusted to enable the lifting plate to lift up to finish the adjustment of the height position of the clamping head, after the wedge block is aligned with the slot, the lifting plate is pushed to integrally move and finish the installation of the clamping head and the upper jaw, most of work is completed by the cooperation of the lifting plate, the scissor jacks, the bottom beams and the like in the whole process, various risks caused by shaking of the movement of the crown block are avoided, the process of embedding the clamping head is completed through the rotation of the rollers, the working efficiency and the safety are improved, and the labor intensity of the operator is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the completed collet assembly of FIG. 1;
fig. 3 is a view showing an operation state when the heights of the guide rails on both sides of the structure of fig. 1 are different.
Detailed Description
The utility model will now be further illustrated by reference to the following examples, which are intended to be illustrative, not limiting, and are not intended to limit the scope of the utility model.
As shown in the figure, the utility model has the innovation that: the lifting device comprises a lifting plate 1 and jack mechanisms, wherein two jack mechanisms are respectively arranged on two sides of the two sides or the two sides of the bottom surface of the lifting plate, and can be used for independently adjusting the height or jointly adjusting the height and enabling the lifting plate to complete lifting or descending movement. The bottoms of the two jack mechanisms are provided with a sliding mechanism or a rolling mechanism which can enable the lifting plate and the jack mechanisms to integrally translate.
As shown in fig. 2, two sides of the bottom surface of the lifting plate are respectively provided with a jack mechanism, and the bottoms of the two jack mechanisms a and B are respectively provided with a rolling mechanism 15 which enables the lifting plate and the jack mechanisms to integrally translate.
The jack mechanism comprises a bottom beam 13, supporting arms and a screw rod 12, wherein the front end and the rear end of the bottom beam in the length direction are respectively provided with a hinge shaft seat 5, the lower end of a lower supporting arm 10 is hinged on each hinge shaft seat through a hinge shaft 8, the upper end of each lower supporting arm is hinged with the lower end of an upper supporting arm 9 through a hinge shaft 11, and the upper end of the upper supporting arm is hinged with the hinge shaft seat 5 arranged on the bottom surface of a lifting plate above the bottom beam through the hinge shaft 8. The screw rod seat 4 is sleeved at the mutually hinged position of the two supporting arms at the front end of the bottom beam and the mutually hinged position of the two supporting arms at the rear end of the bottom beam, the screw rod is rotatably installed in the two screw rod seats, a radial through hole 2 of the screw rod is formed in the end part 3 coaxially and integrally formed on one side of the screw rod, and the through hole can be provided with a handle to enable the screw rod to manually rotate, or a connecting rod which is driven by an output shaft of a motor can be arranged in the through hole to enable the screw rod to automatically rotate.
The screw rod rotation can enable two support arms hinged with each other at the front end and the rear end of the bottom beam at the same side to extend upwards and enable the lifting plate at the same side to lift, or the screw rod rotation can enable two support arms hinged with each other at the front end and the rear end of the bottom beam at the same side to approach each other and enable the lifting plate at the same side to descend.
The structure below each side of the bottom surface of the lifting plate is equivalent to a scissor jack structure, the lower supporting arm and the upper supporting arm in the drawing are made of two plates at intervals, and in order to improve the strength of the supporting arm, the structure used in the existing automobile can be adopted, namely, the supporting arm is a round pipe or a square pipe, and an opening at the hinged position is used for mounting a hinge shaft or a screw rod seat.
The front end and the rear end of the bottom beam are respectively provided with a groove along the length direction of the bottom beam, the inside of each groove is provided with a rotating shaft 14 along the short direction of the bottom beam, the rotating shafts are sleeved with rollers 15, and the rollers enable the bottom beam to move; the bottom beam parts at two sides of the axial direction of the roller can be used as side supports.
An application scenario of the above structure is shown in fig. 1, 2 and 3, the whole replacing device comprises a guide rail 20 and a lifting mechanism, two guide rails which are mutually spaced and perpendicular to the equipment direction are arranged on an equipment table surface 19 or the ground 21 at the installation chuck, and rollers arranged on two bottom beams of the lifting mechanism can roll and move along the guide rails. The guide rail is provided with a guide groove 18 along the length direction, the rollers are arranged in the guide groove in a rolling way, gaps are reserved between the bottom surfaces of the bottom beams on the two sides of the rollers and the upper end surfaces of the guide rail on the two sides of the guide groove, and the gaps are smaller, so that the bottom surfaces of the bottom beams on the two sides of the rollers can play a certain supporting role when the rollers roll.
Another application scenario of the above structure is: the replacing device comprises a guide rail and a lifting mechanism, wherein two guide rails which are mutually spaced and are in the same direction with the equipment direction are arranged on the equipment table surface or the ground at the position of the installation chuck, and rollers arranged on two bottom beams of the lifting mechanism can roll and move along the guide rails.
In addition to the situation that the positions of the jack mechanisms at both sides of fig. 1 and 2 are the same, there is a situation as shown in fig. 3 in which the heights of the jack mechanisms at both sides are different, because the positions of the upper jaw at the outer side and the inner side are different in height in the horizontal direction, the structure as shown in fig. 3 can be adopted to realize smooth lifting and translation of the lifting plate.
The use process of the present utility model will be described by taking the structure of fig. 1 and 2 as an example:
And the two positions of the upper jaw, which are close to the outside and close to the inside, are respectively provided with a guide rail, the directions of the two guide rails are mutually perpendicular to the direction of the equipment, and the rollers at the lower ends of the two jack mechanisms are respectively positioned in the guide grooves.
The rollers are rotated to move the lifter plate sideways of the apparatus in the direction of the guide rail.
The crown block is started, a clamping head of hundreds of jin is hung on the lifting plate, and after the clamping head is hung, the inclined wedge block 6 is aligned with the slot 16 at the upper jaw 17 in the transverse position shown in figure 2.
Manually or electrically adjusting the jack mechanism to raise the lifting plate, the adjustment can be performed by two jacks together or by trimming the two sides sequentially, and when the lifting mechanism is raised to a proper position, the vertical position of the wedge block as shown in fig. 2 is aligned with the slot at the upper jaw.
And finally, an operator pushes the lifting plate to move along the guide rail, the inclined wedge block is inserted into the slot, and the chuck is installed.
In the utility model, two guide rails with the same direction as the equipment or with the two directions perpendicular to the equipment are arranged on the table surface or the ground of the equipment below the upper jaw, a bottom beam is respectively arranged at the two guide rails in a contraposition way, a scissor jack mechanism is respectively arranged above the two bottom beams, and the upper ends of the two scissor jack mechanisms are respectively connected with the two sides of the bottom surface of the lifting plate. In the whole installation process, most of work is completed by the cooperation of lifting plates, scissor jacks, bottom beams and the like, various risks caused by shaking of crown block movement are avoided, the process of clamping head embedding is completed through rotation of rollers, the working efficiency and safety are improved, and the labor intensity of operators is reduced.
Claims (4)
1. The utility model provides a special chuck elevating system of large-tonnage stretching which characterized in that: the lifting device comprises a lifting plate and lifting jack mechanisms, wherein two lifting jack mechanisms are respectively arranged on two sides of the two sides or the two sides of the bottom surface of the lifting plate, and can be used for independently adjusting the height or jointly adjusting the height and enabling the lifting plate to complete lifting or descending movement;
The bottoms of the two jack mechanisms are provided with a sliding mechanism or a rolling mechanism which can enable the lifting plate and the jack mechanisms to integrally translate;
Two sides of the bottom surface of the lifting plate are respectively provided with a jack mechanism, and the bottom of each jack mechanism is provided with a rolling mechanism which can enable the lifting plate and the jack mechanisms to integrally translate;
The jack mechanism comprises a bottom beam, support arms and a screw rod, wherein the front end and the rear end of the bottom beam in the length direction are hinged with the lower end of one support arm respectively, the upper end of each support arm is hinged with the lower end of the other support arm, and the upper end of the other support arm is hinged with the bottom surface of a lifting plate above the bottom beam;
the screw rod seat is sleeved at the mutually hinged position of the two supporting arms at the front end of the bottom beam and the mutually hinged position of the two supporting arms at the rear end of the bottom beam, and the screw rod is rotatably arranged in the two screw rod seats;
The rotation of the lead screw can enable two support arms hinged with each other at the front end and the rear end of the bottom beam at the same side to be stretched out and enable the lifting plate at the same side to be lifted, or the rotation of the lead screw can enable two support arms hinged with each other at the front end and the rear end of the bottom beam at the same side to be close to each other and enable the lifting plate at the same side to be lifted down;
Rollers are arranged in the front end and the rear end of the bottom beam, and the rollers enable the bottom beam to move; the bottom beam parts at two sides of the axial direction of the roller can be used as side supports.
2. A replacement device, characterized by: comprising a guide rail and a lifting mechanism as claimed in claim 1, wherein two mutually spaced guide rails which are in the same direction as the direction of the equipment are arranged on the equipment table or the ground at the position of the installation chuck, and the rollers arranged on the two bottom beams of the lifting mechanism can roll along the guide rails.
3. A replacement device, characterized by: comprising a guide rail and a lifting mechanism as claimed in claim 1, wherein two mutually spaced guide rails perpendicular to the direction of the equipment are arranged on the equipment table or the ground at the position of the installation chuck, and the rollers arranged on the two bottom beams of the lifting mechanism can move along the guide rails in a rolling way.
4. A changing device according to claim 2 or 3, characterized in that: the guide rail is provided with a guide groove along the length direction, the idler wheels are arranged in the guide groove in a rolling mode, and gaps are reserved between the bottom surfaces of the bottom beams on the two sides of the idler wheels and the upper end faces of the guide rail on the two sides of the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462904.7U CN220920450U (en) | 2023-06-09 | 2023-06-09 | Special chuck lifting mechanism for large-tonnage stretching and replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462904.7U CN220920450U (en) | 2023-06-09 | 2023-06-09 | Special chuck lifting mechanism for large-tonnage stretching and replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220920450U true CN220920450U (en) | 2024-05-10 |
Family
ID=90969833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321462904.7U Active CN220920450U (en) | 2023-06-09 | 2023-06-09 | Special chuck lifting mechanism for large-tonnage stretching and replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220920450U (en) |
-
2023
- 2023-06-09 CN CN202321462904.7U patent/CN220920450U/en active Active
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