CN223383043U - Automatic clamping device for machine tool workpiece - Google Patents
Automatic clamping device for machine tool workpieceInfo
- Publication number
- CN223383043U CN223383043U CN202422857730.5U CN202422857730U CN223383043U CN 223383043 U CN223383043 U CN 223383043U CN 202422857730 U CN202422857730 U CN 202422857730U CN 223383043 U CN223383043 U CN 223383043U
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- CN
- China
- Prior art keywords
- oil
- workpiece
- support
- cylinder
- cushion block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Jigs For Machine Tools (AREA)
Abstract
一种机床工件自动夹紧装置，包括设在工作台中间的垫块和设在垫块上方的中心压紧油缸，所述垫块长度方向的两侧设有第一支撑油缸，所述垫块宽度方向的两侧设有第二支撑油缸，所述第一支撑油缸的上方对应设有第一压紧油缸，所述第二支撑油缸的上方对应设有第二压紧油缸。装置用于取代人工增加或者减少等高垫块的工作，在系统中输入工件的尺寸后，系统自动计算决定是否需要等高块，提高工件装夹的效率。
An automatic clamping device for machine tool workpieces includes a spacer block positioned in the center of a worktable and a central clamping cylinder positioned above the spacer block. First support cylinders are positioned on either side of the spacer block's length, and second support cylinders are positioned on either side of the spacer block's width. A first clamping cylinder is positioned above the first support cylinder, and a second clamping cylinder is positioned above the second support cylinder. This device replaces the manual process of adding or removing spacers of equal height. After inputting the workpiece dimensions into the system, the system automatically calculates whether equal height blocks are required, improving workpiece clamping efficiency.
Description
Technical Field
The utility model relates to the technical field of machine tools, in particular to an automatic clamping device for a machine tool workpiece.
Background
The existing machine tool workpiece clamping device comprises a cushion block arranged on a workbench and a central pressing oil cylinder arranged above the cushion block, wherein the cushion block is used for lifting a workpiece, and the central pressing oil cylinder is used for pressing the workpiece. Because the size of the workpiece is changed, the bottom cushion block of the workpiece can only be set according to the minimum workpiece, if the workpiece with large size is clamped, the bottom cushion block is too small, the central pressing oil cylinder only acts on the central position of the workpiece, and the workpiece is easy to slide and deform during processing. At present, a worker adds a constant-height cushion block at the bottom of a workpiece according to the size of the workpiece, but the efficiency of the mode is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an automatic clamping device for a machine tool workpiece, which improves the efficiency of workpiece clamping.
In order to solve the technical problems, the technical scheme is that the automatic clamping device for the machine tool workpiece comprises a cushion block arranged in the middle of a workbench and a central pressing cylinder arranged above the cushion block, wherein first supporting cylinders are arranged on two sides of the length direction of the cushion block, second supporting cylinders are arranged on two sides of the width direction of the cushion block, a first pressing cylinder is correspondingly arranged above the first supporting cylinders, and a second pressing cylinder is correspondingly arranged above the second supporting cylinders. The device is used for replacing the work of manually increasing or decreasing a contour block, after the size of a workpiece is input into the system, the system automatically calculates and decides whether a contour block is needed, when a small workpiece is machined, only the center block and the center pressing cylinder are used for clamping the workpiece, when the length direction of the workpiece exceeds the preset length of the workpiece, the system automatically electrifies the hydraulic station electromagnetic valve, hydraulic oil is fed to the first supporting cylinder and the first pressing cylinder in the front-back direction, the two first supporting cylinders extend to the contour of the block and support the workpiece, the two corresponding first pressing cylinders extend and press the workpiece, when the width direction of the workpiece exceeds the preset width of the workpiece, the system automatically electrifies the hydraulic station electromagnetic valve, hydraulic oil is fed to the second supporting cylinder and the second pressing cylinder in the left-right direction, the two second supporting cylinders extend to the contour of the block and support the workpiece, and the two corresponding second pressing cylinders extend and press the workpiece.
As an improvement, the workbench is provided with a base plate, the cushion block is arranged in the middle of the base plate, the cushion block and the base plate are of an integrated structure, and the first support oil cylinder and the second support oil cylinder are arranged on the base plate.
The first support oil cylinder comprises a first oil cavity, a first oil seal and a first piston rod, wherein the first oil cavity is arranged on the base plate, the first oil seal is matched with the first oil cavity, the first piston rod is arranged in the first oil cavity, and the second support oil cylinder comprises a second oil cavity, a second oil seal and a second piston rod, the second oil cavity is arranged on the base plate, the second oil seal is matched with the second oil cavity, and the second piston rod is arranged in the second oil cavity.
As an improvement, the distance between the two first support cylinders is larger than the distance between the two second support cylinders.
As an improvement, the maximum stroke of the first support oil cylinder and the second support oil cylinder is equal to the height of the cushion block.
Compared with the prior art, the utility model has the beneficial effects that:
The device is used for replacing the work of manually increasing or reducing the equal-height cushion blocks, and after the size of a workpiece is input into the system, the system automatically calculates and decides whether the equal-height blocks are needed or not, so that the efficiency of clamping the workpiece is improved.
Drawings
Fig. 1 is a schematic view of a small-sized workpiece clamp.
Fig. 2 is a schematic diagram of workpiece clamping with preset length.
FIG. 3 is a schematic view of a workpiece clamp with a width exceeding a predetermined width.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1 to 3, an automatic clamping device for a machine tool workpiece comprises a cushion block 11 arranged in the middle of a workbench and a central pressing cylinder 2 arranged above the cushion block 11, wherein the cushion block 11 corresponds to the central pressing cylinder 2 in position. The two sides of the length direction of the cushion block 11 are provided with first support oil cylinders 5, the two sides of the width square of the cushion block 11 are provided with second support oil cylinders 7, when piston rods of the first support oil cylinders 5 and the second support oil cylinders 7 extend to the maximum stroke, the top of the piston rod is equal to the height of the cushion block 11, the upper part of the first support oil cylinders 5 is correspondingly provided with first compression oil cylinders 6, the upper part of the second support oil cylinders 7 is correspondingly provided with second compression oil cylinders 8, and the support oil cylinders and the compression oil cylinders are matched to clamp a workpiece. The workbench is provided with a base plate 1, a cushion block 11 is arranged in the middle of the base plate 1, the cushion block 11 and the base plate 1 are of an integrated structure or a split structure, and the first support oil cylinder 5 and the second support oil cylinder 7 are arranged on the base plate 1. The first support oil cylinder 5 comprises a first oil cavity, a first oil seal and a first piston rod, wherein the first oil cavity is arranged on the base plate 1, the first oil seal is matched with the first oil cavity, the first piston rod is arranged in the first oil cavity, and the second support oil cylinder 7 comprises a second oil cavity, a second oil seal and a second piston rod, the second oil cavity is arranged on the base plate 1, the second oil seal is matched with the second oil cavity, and the second piston rod is arranged in the second oil cavity.
The device is used for replacing the manual work of increasing or decreasing the height cushion block 11, after the size of a workpiece is input into the system, the system automatically calculates and decides whether a height block is needed, when a small workpiece is machined, only the center cushion block 11 and the center pressing cylinder 2 are used for clamping the workpiece, when the length direction of the workpiece exceeds the preset length of the workpiece, the system automatically supplies hydraulic pressure to the hydraulic station electromagnetic valve, hydraulic oil to the first supporting cylinder 5 and the first pressing cylinder 6 in the front-back direction is supplied, piston rods of the two first supporting cylinders 5 extend to the same height as the cushion block 11 and support the workpiece, the two corresponding first pressing cylinders 6 extend and press the workpiece, when the width direction of the workpiece exceeds the preset width of the workpiece, the system automatically supplies hydraulic pressure to the hydraulic station electromagnetic valve, the piston rods of the two second supporting cylinders 7 extend to the same height as the cushion block 11 and support the workpiece, and the two corresponding second pressing cylinders 8 extend and press the workpiece.
Claims (5)
1. The automatic clamping device for the machine tool workpiece comprises a cushion block arranged in the middle of a workbench and a central pressing cylinder arranged above the cushion block, and is characterized in that first supporting cylinders are arranged on two sides of the length direction of the cushion block, second supporting cylinders are arranged on two sides of the width direction of the cushion block, a first pressing cylinder is correspondingly arranged above the first supporting cylinders, and a second pressing cylinder is correspondingly arranged above the second supporting cylinders.
2. The automatic clamping device for the workpiece of the machine tool according to claim 1, wherein the base plate is arranged on the workbench, the cushion block is arranged in the middle of the base plate, the cushion block and the base plate are of an integrated structure, and the first support oil cylinder and the second support oil cylinder are arranged on the base plate.
3. The automatic clamping device for the machine tool workpiece according to claim 2, wherein the first support oil cylinder comprises a first oil cavity, a first oil seal and a first piston rod, wherein the first oil cavity is arranged on the base plate, the first oil seal is matched with the first oil cavity, the first piston rod is arranged in the first oil cavity, and the second support oil cylinder comprises a second oil cavity, a second oil seal and a second piston rod, the second oil cavity is arranged on the base plate, the second oil seal is matched with the second oil cavity, and the second piston rod is arranged in the second oil cavity.
4. The automatic clamping device for workpieces of a machine tool according to claim 1, wherein the distance between the two first support cylinders is larger than the distance between the two second support cylinders.
5. The automatic clamping device for machine tool workpieces according to claim 1, wherein the maximum stroke of the first support cylinder and the maximum stroke of the second support cylinder are equal to the heights of the cushion blocks.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421155048 | 2024-05-24 | ||
| CN2024211550485 | 2024-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223383043U true CN223383043U (en) | 2025-09-26 |
Family
ID=97127382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422857730.5U Active CN223383043U (en) | 2024-05-24 | 2024-11-22 | Automatic clamping device for machine tool workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223383043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118321960A (en) * | 2024-05-24 | 2024-07-12 | 东莞市鑫国丰机械有限公司 | Automatic clamping device for machine tool workpiece |
-
2024
- 2024-11-22 CN CN202422857730.5U patent/CN223383043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118321960A (en) * | 2024-05-24 | 2024-07-12 | 东莞市鑫国丰机械有限公司 | Automatic clamping device for machine tool workpiece |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |