CN220612352U - Positioning and clamping device in workpiece machining - Google Patents
Positioning and clamping device in workpiece machining Download PDFInfo
- Publication number
- CN220612352U CN220612352U CN202321794427.4U CN202321794427U CN220612352U CN 220612352 U CN220612352 U CN 220612352U CN 202321794427 U CN202321794427 U CN 202321794427U CN 220612352 U CN220612352 U CN 220612352U
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- clamping
- positioning
- shaft sleeve
- workpiece
- chuck
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- 238000003754 machining Methods 0.000 title description 3
- 230000007246 mechanism Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a positioning and clamping device in workpiece processing, which comprises a positioning component used for positioning one side of a workpiece and a clamping component used for clamping the other side of the workpiece; the positioning assembly comprises a chuck, a plurality of clamping jaws uniformly distributed along the top surface of the chuck are arranged on the top surface of the chuck, clamping grooves are formed in the clamping jaws, and workpieces are arranged on the clamping jaws through the clamping grooves; the clamping assembly comprises a shaft sleeve, the shaft sleeve is provided with a through hole which axially penetrates, a stop block is arranged at the end part of the through hole, a spring is arranged in the through hole, one end of a push rod penetrates through the shaft sleeve and the spring and is fixedly connected with the stop block positioned at the bottom of the shaft sleeve, the other end of the push rod is matched with a push block and fixedly connected with the push block through a clamping pin, and the push block is used for clamping a workpiece. According to the utility model, the positioning assembly and the clamping assembly are respectively arranged on the two sides of the workpiece, so that the workpiece can be positioned and clamped efficiently.
Description
Technical Field
The utility model relates to the field of positioning tools, in particular to a positioning and clamping device in workpiece machining.
Background
The precision product is an important guarantee for driving the transformation and upgrading of the product, and a processing factory is required to customize or manufacture equipment suitable for the processed product according to the requirements of the processed technical parameters according to the structural characteristics of the product, wherein a two-side symmetrical pressing center positioning device is indispensable.
For example, patent document 201710329878.3 discloses a fixture clamping device and fixture clamping equipment, including the grip slipper of seting up the grip orifice and last the power take off mechanism of output stable power, power take off mechanism's output is connected with drive joint, power take off mechanism drive joint up-down motion, the grip slipper has the grip lever through pivot swivelling joint, the height that the position where the grip lever is located is greater than the height that the drive joint is located, be equipped with the connecting rod between grip lever and the drive joint, the both ends of connecting rod are respectively through round pin axle swivelling joint in drive joint and grip lever, pivot and round pin axle are parallel arrangement, the one end that the connecting rod was kept away from to the grip lever forms the centre gripping space with the inner wall of grip orifice.
According to the scheme, the clamping rod in the swimming state is used for adjusting the position of the clamping rod to clamp a workpiece, and meanwhile, the dead point position of a transmission mechanism consisting of the driving connector, the connecting rod and the clamping rod is utilized, so that the stability and reliability of clamping the workpiece are improved. But the clamping and positioning device adopts a unidirectional clamping mechanical structure. The clamping structure mode cannot be suitable for processing irregular structural components, so that further improvement and innovation on the structure of the existing clamping and positioning device are still needed to be suitable for processed products with different shapes and structures.
Accordingly, there is a need for an improvement in such a structure to overcome the above-described drawbacks.
Disclosure of Invention
The utility model aims to provide a positioning and clamping device in workpiece processing, which solves the defects in the prior art.
The technical aim of the utility model is realized by the following technical scheme:
a positioning and clamping device in workpiece processing comprises a positioning component for positioning one side of a workpiece and a clamping component for clamping the other side of the workpiece;
the positioning assembly comprises a chuck, a plurality of clamping jaws uniformly distributed along the top surface of the chuck are arranged on the top surface of the chuck, clamping grooves are formed in the clamping jaws, and workpieces are arranged on the clamping jaws through the clamping grooves;
the clamping assembly comprises a shaft sleeve, the shaft sleeve is provided with a through hole which axially penetrates, a stop block is arranged at the end part of the through hole, a spring is arranged in the through hole, one end of a push rod penetrates through the shaft sleeve and the spring and is fixedly connected with the stop block positioned at the bottom of the shaft sleeve, the other end of the push rod is matched with a push block and fixedly connected with the push block through a clamping pin, and the push block is used for clamping a workpiece.
The bottom surface of the chuck is used for being linked with a main shaft of the numerical control machine tool, and the shaft sleeve is connected with a cutter tower of the numerical control machine tool through an outer circular surface.
Further, the connecting end of the ejector rod and the ejector block is provided with a groove, the connecting surface of the ejector block and the ejector rod is provided with a bulge, the ejector rod and the ejector block are positioned by matching the bulge through the groove, and the clamping pin penetrates through the groove and the bulge to connect and fix the ejector rod and the ejector block.
Further, the spring is located inside the shaft sleeve, one end of the spring is attached to the bottom plane of the inner side of the shaft sleeve, and the ejector rod penetrates through the shaft sleeve and the spring to be attached to the stop block located on the inner side of the bottom of the shaft sleeve.
Further, the number of the clamping jaws is three, and the clamping jaws are distributed on the top surface of the chuck in a trisection mode.
In summary, the utility model has the following beneficial effects:
the structure of the utility model mainly comprises two parts, namely a positioning component and a clamping component. The power sources of the two parts of the motion mechanism are transmitted by a self-contained system of the numerical control machine tool, and the functions of initial positioning, clamping, compaction, auxiliary support, interlocking and the like can be realized. The positioning and clamping auxiliary ejection guide device has reasonable design and compact structure. The device is suitable for aluminum die-casting forming parts, casting forming parts and powder metallurgy parts, and is used for realizing positioning, clamping and fixing of products and stabilizing working states.
Drawings
Fig. 1 is an exploded view of a positioning and clamping device in the processing of a workpiece according to the present utility model.
Fig. 2 is a top view of a positioning and clamping device in the processing of a workpiece according to the utility model.
Fig. 3 is a cross-sectional view of a positioning and clamping device in the processing of a workpiece according to the utility model.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1, 2 and 3, the positioning and clamping device in workpiece processing provided by the utility model comprises a positioning component for positioning one side of a workpiece 2 and a clamping component for clamping the other side of the workpiece 2;
the positioning assembly comprises a chuck 1, wherein the top surface of the chuck 1 is provided with a plurality of clamping jaws uniformly distributed along the top surface of the chuck 1, clamping grooves are formed in the clamping jaws, and a workpiece 2 is arranged on the clamping jaws through the clamping grooves;
the clamping assembly comprises a shaft sleeve 7, the shaft sleeve 7 is provided with a through hole which penetrates through axially, a stop block 8 is arranged at the end part of the through hole, a spring 6 is arranged in the through hole, one end of a push rod 5 penetrates through the shaft sleeve 7 and the spring 6 and is fixedly connected with the stop block 8 positioned at the bottom of the shaft sleeve 7, the other end of the push rod 5 is matched with the push block 4 and is fixedly connected through a clamping pin 3, and the push block 4 is used for clamping a workpiece 2.
The bottom surface of the chuck 1 is used for being linked with a main shaft of a numerical control machine tool, and the shaft sleeve 7 is connected with a tool turret of the numerical control machine tool through an outer circular surface.
The connecting end of the ejector rod 5 and the ejector block 4 is provided with a groove, the connecting surface of the ejector block 4 and the ejector rod 5 is provided with a bulge, the ejector rod 5 and the ejector block 4 are positioned by matching the bulge through the groove, and the bayonet lock 3 penetrates through the groove and the bulge to connect and fix the ejector rod 5 and the ejector block 4.
The spring 6 is positioned in the shaft sleeve 7, one end of the spring is attached to the plane of the bottom of the inner side of the shaft sleeve 7, and the ejector rod 5 penetrates through the shaft sleeve 7 and the spring 6 to be attached to the stop block 8 positioned on the inner side of the bottom of the shaft sleeve 7.
The number of the clamping jaws is three, and the clamping jaws are distributed on the top surface of the chuck 1 in a trisection mode.
The working principle of the utility model is as follows:
the utility model relates to an auxiliary positioning and clamping device for a numerical control lathe, which is provided with a power source and a numerical control lathe. The trisection clamping jaw on the chuck 1 is in an adduction state, the workpiece 2 is placed at the front end of the chuck 1, the inner side plane of the bottom of the workpiece 2 is attached to the top plane of the clamping jaw on the chuck 1, the outer side faces of the trisection clamping jaw on the chuck 1 are attached to the inner side face of the bottom of the workpiece 2 respectively, and the workpiece 2 is in a rough positioning and clamping state.
And closing a safety door of the numerical control lathe, and driving the clamping assembly to operate by a cutter tower of the numerical control lathe, and continuing to operate for 5 mm to stop when the front end plane of the top block 4 is overlapped with the front end plane of the workpiece 2. At this time, the spring 6 is in a compressed state under the action of the ejector rod 5, the formed pressure acts on the front end of the workpiece 2 through the ejector block 4, a semicircular bulge at the front end of the ejector block 4 is slidably matched with a semicircular groove at the front end of the ejector rod 5, a gap of 1 millimeter is reserved on one side between the clamping pin 3 and the ejector block 4, the bottom surface of the ejector block 4 is tightly attached to the end face workpiece 2, meanwhile, the machine tool control system can control the clamping jaw on the chuck 1 to loosen and clamp again, and the workpiece 2 is tightly attached to the clamping jaw on the chuck at the moment of loosening the clamping jaw under the pushing of the spring, so that the auxiliary alignment of the workpiece 2 is completed. And opening a safety door of the numerical control lathe, driving the turret to drive the auxiliary ejection guide device to return by the turret, clicking a chuck control switch, retracting the clamping jaw, and taking out the workpiece 2. Thus, a complete operation is completed.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc. refer to the directions or positional relationships based on those shown in the drawings, and are merely for clarity and convenience of description of the expression technical solution, and thus should not be construed as limiting the present utility model.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A positioning and clamping device in workpiece processing, which is characterized by comprising a positioning component for positioning one side of a workpiece (2) and a clamping component for clamping the other side of the workpiece (2);
the positioning assembly comprises a chuck (1), a plurality of clamping jaws uniformly distributed along the top surface of the chuck (1) are arranged on the top surface of the chuck (1), clamping grooves are formed in the clamping jaws, and a workpiece (2) is arranged on the clamping jaws through the clamping grooves;
the clamping assembly comprises a shaft sleeve (7), the shaft sleeve (7) is provided with a through hole which penetrates through the shaft sleeve axially, a stop block (8) is arranged at the end part of the through hole, a spring (6) is arranged in the through hole, one end of a push rod (5) penetrates through the shaft sleeve (7) and the spring (6) and is fixedly connected with the stop block (8) positioned at the bottom of the shaft sleeve (7), the other end of the push rod (5) is matched with the push block (4) and fixedly connected with the push block (4) through a bayonet lock (3), and the push block (4) is used for clamping a workpiece (2).
2. Positioning and clamping device in workpiece processing according to claim 1, characterized in that the bottom surface of the chuck (1) is used for linking the spindle of a numerically controlled machine tool, and the shaft sleeve (7) is connected with the turret of the numerically controlled machine tool through an outer circular surface.
3. The positioning and clamping device in workpiece processing according to claim 1, wherein a groove is formed in the connecting end of the ejector rod (5) and the ejector block (4), a protrusion is arranged on the connecting surface of the ejector block (4) and the ejector rod (5), the ejector rod (5) and the ejector block (4) are positioned in a protruding mode through the matching of the groove, and the clamping pin (3) penetrates through the groove and the protrusion to connect and fix the ejector rod (5) and the ejector block (4).
4. The positioning and clamping device in workpiece processing according to claim 1, wherein the spring (6) is located inside the shaft sleeve (7), one end of the spring is jointed with the inner bottom plane of the shaft sleeve (7), and the ejector rod (5) passes through the shaft sleeve (7) and the spring (6) to be jointed with the stop block (8) located on the inner bottom of the shaft sleeve (7).
5. Positioning and clamping device in work piece processing according to claim 1, characterized in that the number of the jaws is three, which are distributed in three halves on the top surface of the chuck (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794427.4U CN220612352U (en) | 2023-07-10 | 2023-07-10 | Positioning and clamping device in workpiece machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794427.4U CN220612352U (en) | 2023-07-10 | 2023-07-10 | Positioning and clamping device in workpiece machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220612352U true CN220612352U (en) | 2024-03-19 |
Family
ID=90221964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321794427.4U Active CN220612352U (en) | 2023-07-10 | 2023-07-10 | Positioning and clamping device in workpiece machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220612352U (en) |
-
2023
- 2023-07-10 CN CN202321794427.4U patent/CN220612352U/en active Active
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