CN220592863U - Center hydraulic clamp for vertical machining of thin-wall shell workpiece - Google Patents
Center hydraulic clamp for vertical machining of thin-wall shell workpiece Download PDFInfo
- Publication number
- CN220592863U CN220592863U CN202321893480.XU CN202321893480U CN220592863U CN 220592863 U CN220592863 U CN 220592863U CN 202321893480 U CN202321893480 U CN 202321893480U CN 220592863 U CN220592863 U CN 220592863U
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- pressing plate
- thin
- vertical
- positioning block
- clamping mechanism
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- 238000003754 machining Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 3
- 208000025962 Crush injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The hydraulic clamp for the vertical machining center of the thin-wall shell workpiece has the advantages of good positioning stability, high repeatability and reproducibility of part machining, uniform part stress, simplicity in operation, and capabilities of improving the machining efficiency and reducing the labor intensity. The fixture comprises a fixture table, wherein the fixture table is provided with a positioning block, a horizontal clamping mechanism and a vertical clamping mechanism; the method is characterized in that: the positioning block is arranged in the center of the tool table; the horizontal clamping mechanism comprises a single-acting cylinder, and a top pin is arranged at the end part of the extending end of a piston rod of the single-acting cylinder; the vertical clamping mechanism comprises a pressing plate, the middle part of the pressing plate is arranged on the hinge frame and is connected with the hinge frame in a rotating way, one end of the pressing plate is clamped on a pull rod, the pull rod is in shaft connection with a piston rod of an oil cylinder, the end face of the other end of the pressing plate is an inclined face, and the end face of the other end of the pressing plate is in compression fit with the conical surface of the thin-wall shell workpiece.
Description
Technical Field
The utility model relates to the technical field of hydraulic clamps, in particular to a center hydraulic clamp for vertical machining of a thin-wall shell workpiece.
Background
Thin-wall shell parts for high-grade motorcycles are not easy to clamp and fix, a simple manual clamp cannot meet the positioning stability, the machining efficiency is low, the labor intensity is high, and meanwhile, square thin-wall crush injuries of the parts can be caused due to the fact that the manual clamping is not standardized.
Disclosure of Invention
Aiming at the defects that the existing clamping technology for thin-wall shell parts is difficult to clamp and fix, low in stability, low in processing efficiency, high in labor intensity and easy to crush parts, the utility model provides the center hydraulic clamp for vertical processing of the thin-wall shell workpiece, which is good in positioning stability, high in repeatability and reproducibility of part processing and uniform in part stress; and the operation is simple and easy, the processing efficiency can be improved, and the labor intensity is reduced.
A center hydraulic clamp for vertical machining of a thin-wall shell workpiece comprises a tool table, wherein the tool table is provided with a positioning block, a horizontal clamping mechanism and a vertical clamping mechanism; the method is characterized in that: the positioning block is arranged in the center of the tool table; the horizontal clamping mechanism comprises a single-acting cylinder, and a top pin is arranged at the end part of the extending end of a piston rod of the single-acting cylinder; the vertical clamping mechanism comprises a pressing plate, the middle part of the pressing plate is arranged on the hinge frame and is connected with the hinge frame in a rotating way, one end of the pressing plate is clamped on a pull rod, the pull rod is in shaft connection with a piston rod of an oil cylinder, the end face of the other end of the pressing plate is an inclined face, and the end face of the other end of the pressing plate is in compression fit with the conical surface of the thin-wall shell workpiece.
It is further characterized by:
one end of the pressing plate is provided with a vertical open slot, the extending end of the pull rod is milled with an I-shaped slot, and the slot walls at the two sides of the vertical open slot are inserted into the I-shaped slot to realize the clamping connection of the pressing plate and the pull rod;
a support column is arranged at the outer side of one corner of the positioning block, and limiting blocks are respectively arranged at two adjacent sides of the positioning block;
the number of the horizontal clamping mechanisms is two; the two horizontal clamping mechanisms are respectively arranged at the outer sides of the other adjacent two sides of the positioning block, and the compression directions of the jacking pins of the two horizontal clamping mechanisms are respectively pointed to the central axis of the positioning block;
the number of the vertical clamping mechanisms is two, the two vertical clamping mechanisms are opposite along the diagonal direction of the positioning block, and the oil cylinder is arranged on the lower bottom plate of the tool table.
Compared with the prior art, the positioning mechanism in the structure of the utility model ensures that the square thin-wall shell part is positioned accurately, thereby avoiding errors in the positioning and clamping of the part, improving the repeatability and reproducibility of the part processing and improving the positioning stability. The parts are positioned and clamped in multiple directions through the clamping mechanism, so that the parts are uniformly stressed and are not easy to damage. The operation is simple, the labor intensity is reduced, and the processing efficiency is improved.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a schematic diagram of a front view of the present utility model;
fig. 3 is a schematic top view of the present utility model.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 and 3, a hydraulic clamp for a vertical machining center of a thin-wall shell workpiece comprises a tool table, wherein the tool table is provided with a positioning block 13, a horizontal clamping mechanism and a vertical clamping mechanism; the positioning block 13 is arranged in the center of the tooling table, a support column 9 is arranged at the outer side of one corner of the positioning block 13, and limiting blocks are respectively arranged at two adjacent sides of the positioning block 13; the horizontal clamping mechanism comprises two single-acting cylinders 15, two single-acting cylinders 15 are respectively arranged on the outer sides of the other adjacent two sides of the positioning block 13 in fig. 1 and 3, the end parts of the extending ends of the piston rods of the two single-acting cylinders 15 are respectively provided with a jacking pin 14, and the compacting directions of the jacking pins 14 are respectively directed to the central axis of the positioning block 13; referring to fig. 2, the number of vertical clamping mechanisms is two, and the two vertical clamping mechanisms are opposite in the diagonal direction of the positioning block 13. The vertical clamping mechanism comprises a pressing plate 6, the middle part of the pressing plate 6 is arranged on a hinge frame 7 and is in rotary connection with the hinge frame, one end of the pressing plate 6 is provided with a vertical open slot, an I-shaped slot is milled at the extending end of a pull rod 5, and the slot walls at the two sides of the vertical open slot are inserted into the I-shaped slot, so that the clamping connection between the pressing plate 6 and the pull rod 5 is realized; the pull rod 5 is connected with a piston rod of the oil cylinder 3 in an axial mode, the oil cylinder 3 is arranged on the lower bottom plate 1 of the tool table, the end face of the other end of the pressing plate 6 is an inclined face, and the end face of the pressing plate is in press fit with the conical face of the thin-wall shell workpiece.
The following describes the implementation of the present scheme with reference to fig. 1, 2, and 3: the workpiece of the thin-wall shell comprises a thin-wall shell and a flange, the bottom of the workpiece is leaned against a limiting block 11 and a limiting block 12, an extending plate of the flange is arranged on a supporting column 9, so that the positioning of the workpiece can be realized, a hydraulic switch of starting program equipment is turned on, two single-acting cylinders 15 on two sides are started to push two ejector pins 14 to abut against the workpiece, the clamping of the workpiece in the horizontal direction is realized, meanwhile, two oil cylinders 3 below the workpiece are started to feed oil, an oil pull rod 5 is pushed, the inclined surface end of a pressing plate 6 is pressed downwards against the thin-wall shell of the workpiece, and the clamping of the workpiece in the vertical direction is realized; after the processing is finished, the program turns off the hydraulic switch, the knock pin 14 and the pressing plate 6 reset along with the oil cylinder 3 and the single-acting cylinder 15, and the workpiece can be taken out.
In fig. 2 and 3, 2 is a vertical plate, 4 is an upper bottom plate, 8 is a connecting pin, 10 is a single-acting cylinder base, and 16 is an oil separator.
Claims (5)
1. A center hydraulic clamp for vertical machining of a thin-wall shell workpiece comprises a tool table, wherein the tool table is provided with a positioning block, a horizontal clamping mechanism and a vertical clamping mechanism; the method is characterized in that: the positioning block is arranged in the center of the tool table; the horizontal clamping mechanism comprises a single-acting cylinder, and a top pin is arranged at the end part of the extending end of a piston rod of the single-acting cylinder; the vertical clamping mechanism comprises a pressing plate, the middle part of the pressing plate is arranged on the hinge frame and is connected with the hinge frame in a rotating way, one end of the pressing plate is clamped on a pull rod, the pull rod is in shaft connection with a piston rod of an oil cylinder, the end face of the other end of the pressing plate is an inclined face, and the end face of the other end of the pressing plate is in compression fit with the conical surface of the thin-wall shell workpiece.
2. The center hydraulic clamp for vertical machining of a thin-walled shell workpiece according to claim 1, wherein: one end of the pressing plate is provided with a vertical open slot, the extending end of the pull rod is milled with an I-shaped slot, and the two side slot walls of the vertical open slot are inserted into the I-shaped slot to realize the clamping connection of the pressing plate and the pull rod.
3. A center hydraulic clamp for vertical machining of thin-walled shell workpieces according to claim 1 or 2, characterized in that: the outer side of one corner of the positioning block is provided with a supporting column, and two adjacent sides of the positioning block are respectively provided with a limiting block.
4. A center hydraulic clamp for vertical machining of thin-walled shell workpieces according to claim 1 or 2, characterized in that: the number of the horizontal clamping mechanisms is two, the horizontal clamping mechanisms are respectively arranged on the outer sides of the other adjacent two sides of the positioning block, and the pressing directions of the jacking pins of the horizontal clamping mechanisms are respectively pointed to the central axis of the positioning block.
5. A center hydraulic clamp for vertical machining of thin-walled shell workpieces according to claim 1 or 2, characterized in that: the number of the vertical clamping mechanisms is two, the two vertical clamping mechanisms are opposite along the diagonal direction of the positioning block, and the oil cylinder is arranged on the lower bottom plate of the tool table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893480.XU CN220592863U (en) | 2023-07-19 | 2023-07-19 | Center hydraulic clamp for vertical machining of thin-wall shell workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893480.XU CN220592863U (en) | 2023-07-19 | 2023-07-19 | Center hydraulic clamp for vertical machining of thin-wall shell workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220592863U true CN220592863U (en) | 2024-03-15 |
Family
ID=90168937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893480.XU Active CN220592863U (en) | 2023-07-19 | 2023-07-19 | Center hydraulic clamp for vertical machining of thin-wall shell workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220592863U (en) |
-
2023
- 2023-07-19 CN CN202321893480.XU patent/CN220592863U/en active Active
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