CN214186194U - Positioning tool for local casting machining - Google Patents
Positioning tool for local casting machining Download PDFInfo
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- CN214186194U CN214186194U CN202022838092.4U CN202022838092U CN214186194U CN 214186194 U CN214186194 U CN 214186194U CN 202022838092 U CN202022838092 U CN 202022838092U CN 214186194 U CN214186194 U CN 214186194U
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Abstract
The utility model discloses a local foundry goods processing is with location frock, characterized by, including the frock bottom plate, be equipped with the mounting groove in the frock bottom plate, be equipped with a plurality of departments on the lateral wall of mounting groove and incline the top and support, be equipped with positioning mechanism in the mounting groove, the center of mounting groove is equipped with well core rod, well core rod's outer end is equipped with the clamp plate. The utility model has the advantages that the lateral top support on the mounting groove realizes the lateral positioning support of the workpiece, the pressing plate and the positioning mechanism realize the axial clamping of the workpiece, and the reliable fixation of the casting is realized; the positioning device is arranged on a main shaft of a machine tool for use, and is positioned through the irregular outline shape of a casting, so that the processing quality of a product is ensured, the use is convenient, and the positioning is accurate.
Description
Technical Field
The application relates to the technical field of non-standard part machining clamping equipment, in particular to a positioning tool for local casting machining.
Background
The milling machine fixture is mainly used for processing planes, grooves, splines and various forming surfaces on parts, is one of the most common fixtures, mainly comprises a positioning device, a clamping device, a fixture body, a connecting element and a tool setting element, and has the advantages of large cutting force, intermittent cutting and large vibration during milling. The existing milling machine generally adopts a three-jaw clamping plate to clamp a workpiece, the three-jaw clamping plate is suitable for clamping the workpiece with a standard cross section such as a cylinder, a prism and the like, but due to production requirements, when one end of the workpiece is processed into a non-standard shape and the other end is processed, the three-jaw clamping plate is not suitable for use, and a worker needs to deal with the workpiece and design a tool corresponding to the appearance of the workpiece. For example, in the chinese patent document, the publication No. CN211136375U, entitled "a clamping device for a numerically controlled milling machine" issued at 31.7.2020, this application discloses a clamping device for a numerically controlled milling machine, which includes a mounting disc, an adjusting disc and a clamping mechanism, wherein the mounting disc is a circular plate, and a mounting cylinder for connecting with a machine tool spindle is fixedly arranged on one side plate surface of the mounting disc, an adjusting groove is arranged on the other side plate surface of the mounting disc, and an adjusting rod is arranged at one end of the adjusting groove, and the adjusting disc is movably mounted on the mounting disc and can be moved and adjusted along the adjusting groove by being driven by the adjusting rod; the adjustable clamping mechanism is characterized in that the adjusting plate is a circular plate, three clamping grooves are formed in one side of the adjusting plate, the clamping grooves are strip-shaped grooves formed in the radial direction of the adjusting plate, a plurality of strip-shaped protrusions in the length direction are arranged on the groove walls of the two sides of the adjusting plate, the three clamping grooves are evenly distributed around the central axis of the adjusting plate, the clamping mechanism comprises a pressing block and a clamping plate, and the pressing block and the two clamping plates are respectively installed in the three clamping grooves to mutually match clamping workpieces.
When the exhaust cover on the male side is designed, the machined product casting is irregular in outline, and the requirement of the manufactured product on the outline degree of the position is very high, so that the workpiece must be accurately positioned during workpiece clamping. If the product is aligned and positioned according to general detection, the stability and reliability of the processing quality of the product are difficult to ensure. The existing tool cannot be applied, so that a special corresponding clamping tool is needed.
Disclosure of Invention
Based on above-mentioned not enough among the prior art, the utility model provides a local foundry goods processing is with location frock can accomplish the matching location when the profile of foundry goods positive side exhaust cover is irregular, improves the location accuracy.
In order to achieve the above object, the present application adopts the following technical solutions.
The utility model provides a local foundry goods processing is with location frock, characterized by, includes the frock bottom plate, is equipped with the mounting groove in the frock bottom plate, is equipped with a plurality of departments on the lateral wall of mounting groove and pushes up the support, is equipped with positioning mechanism in the mounting groove, and the center of mounting groove is equipped with well core rod, and well core rod's outer end is equipped with the clamp plate.
The side top support on the mounting groove realizes lateral positioning support on the workpiece, and the pressing plate and the positioning mechanism realize axial clamping on the workpiece so as to realize reliable fixation on a casting; the positioning device is arranged on a main shaft of a machine tool for use, and is positioned through the irregular outline shape of a casting, so that the processing quality of a product is ensured, the use is convenient, and the positioning is accurate.
Preferably, the positioning mechanism comprises a limiting rod fixed at the bottom of the mounting groove, a return spring is sleeved on the outer side of the limiting rod, a positioning block sleeved on the outer side of the limiting rod is arranged at the top end of the return spring, and an end cap matched with the positioning block is arranged at the outer end of the limiting rod. The locating piece cooperation reset spring has axis reciprocating motion's ability to can make things convenient for the location block of locating piece and work piece.
Preferably, the side top support includes a support bolt and a set nut located at one side of the mounting groove side plate. The positioning nut and the threads on the side plate of the mounting groove form a double-nut locking mechanism, so that the function of preventing the bolt from backing is achieved; the extension length of the supporting bolt is adjusted through the screwing length of the threads, so that the side top support is realized.
Preferably, the side top supports are provided with four spaced groups on the side walls of the mounting groove. Four groups of side top supports form four-point spacing, and reliable supporting and spacing effects are achieved.
Preferably, the outer contour of the tool bottom plate is cylindrical. The installation of the tool bottom plate on the lathe claw is facilitated.
Preferably, the edge of the upper end of the positioning block is provided with a transition chamfer. The positioning block and the workpiece are convenient to position in a matched mode.
Preferably, the bottom of the tool bottom plate is fixedly provided with a supporting plate, and the limiting rod is connected with the supporting plate through threads. The height of the limiting rod can be adjusted through threads, the height position of the positioning block can be adjusted easily, and effective positioning between the positioning device and a workpiece is guaranteed.
The utility model discloses following beneficial effect has: the side top support on the mounting groove realizes lateral positioning support on the workpiece, and the pressing plate and the positioning mechanism realize axial clamping on the workpiece so as to realize reliable fixation on a casting; the positioning device is arranged on a main shaft of a machine tool for use, and positioning is carried out through the irregular outline shape of a casting, so that the processing quality of a product is ensured, the use is convenient, and the positioning is accurate; the height of the limiting rod can be adjusted through threads, the height position of the positioning block can be adjusted easily, and effective positioning between the positioning device and a workpiece is guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention mounted on a three-jaw chuck.
Fig. 2 is a schematic view of the structure of the present invention cooperating with a workpiece, wherein the workpiece is indicated by a dotted line.
Fig. 3 is a cross-sectional view at a-a in fig. 1.
In the figure: supporting bolts 121, positioning nuts 122, positioning mechanisms 13, limiting rods 131, end caps 132, return springs 133, positioning blocks 134, transitional chamfers 135, supporting plates 136, central rods 14, pressing plates 15, supporting columns 16, three-jaw chuck 2 castings 3 are supported by the side top supports 12, the supporting bolts 121 and the positioning nuts 122 of the mounting groove 11 of the tool bottom plate 1.
Detailed Description
The invention is further illustrated with reference to the accompanying drawings and specific embodiments.
Examples
The utility model provides a local foundry goods processing is with location frock, characterized by, including the frock bottom plate, the outline shape of frock bottom plate is cylindrical. The tool bottom plate is fixed on a three-jaw chuck of the machine tool. The tool bottom plate is internally provided with a mounting groove which is cylindrical. Four side top supports are arranged on the side wall of the mounting groove, and four spaced groups are arranged on the side wall of the mounting groove. The side top support comprises a support bolt and a positioning nut positioned on one side of the side plate of the mounting groove. The supporting bolt is in threaded connection with the side wall of the mounting groove. The threads of the side wall of the mounting groove and the positioning nut form a double-thread locking structure for the supporting bolt. The mounting groove is internally provided with a positioning mechanism, the positioning mechanism comprises a limiting rod fixed at the bottom of the mounting groove, a reset spring is sleeved on the outer side of the limiting rod, the top end of the reset spring is provided with a positioning block sleeved on the outer side of the limiting rod, and the outer end of the limiting rod is provided with an end cap matched with the positioning block. The edge of the upper end of the positioning block is provided with a transition chamfer. The bottom of the tool bottom plate is fixedly provided with a supporting plate, and the supporting plate is located below the tool bottom plate and attached to the lower bottom surface of the working bottom plate. The limiting rod is connected with the supporting plate through threads. A central rod is arranged in the center of the mounting groove, and a pressing plate is arranged at the outer end of the central rod; the bottom of the mounting groove is also provided with a support column for assisting in positioning and supporting the bottom of the workpiece. Wherein three group side top supports set up with the mode at interval 90 degrees central angle, and three group side top supports in the middle of the side top support at interval 90 degrees central angle support and positioning mechanism, well core rod coaxial setting.
The side top support on the mounting groove realizes lateral positioning support on the workpiece, and the pressing plate and the positioning mechanism realize axial clamping on the workpiece so as to realize reliable fixation on a casting; the positioning device is arranged on a main shaft of a machine tool for use, and positioning is carried out through the irregular outline shape of a casting, so that the processing quality of a product is ensured, the use is convenient, and the positioning is accurate; the height of the limiting rod can be adjusted through threads, the height position of the positioning block can be adjusted easily, and effective positioning between the positioning device and a workpiece is guaranteed.
Claims (7)
1. The utility model provides a local foundry goods processing is with location frock, characterized by, includes the frock bottom plate, is equipped with the mounting groove in the frock bottom plate, is equipped with a plurality of departments on the lateral wall of mounting groove and pushes up the support, is equipped with positioning mechanism in the mounting groove, and the center of mounting groove is equipped with well core rod, and well core rod's outer end is equipped with the clamp plate.
2. The positioning tool for machining the local casting according to claim 1, wherein the positioning mechanism comprises a limiting rod fixed at the bottom of the installation groove, a return spring is sleeved outside the limiting rod, a positioning block sleeved outside the limiting rod is arranged at the top end of the return spring, and an end cap matched with the positioning block is arranged at the outer end of the limiting rod.
3. The positioning tool for local casting machining according to claim 1, wherein the side top support comprises a supporting bolt and a positioning nut located on one side of the side plate of the mounting groove.
4. The positioning tool for machining the local casting according to claim 1 or 3, wherein four spaced groups are arranged on the side wall of the mounting groove of the side top support.
5. The positioning tool for machining the local casting according to claim 1, wherein the tool bottom plate is cylindrical in outer contour shape.
6. The positioning tool for local casting machining according to claim 2, wherein a transition chamfer is arranged at the edge of the upper end of the positioning block.
7. The positioning tool for machining the local casting according to claim 2 or 6, wherein a supporting plate is fixedly arranged at the bottom of the tool bottom plate, and the limiting rod is in threaded connection with the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022838092.4U CN214186194U (en) | 2020-11-30 | 2020-11-30 | Positioning tool for local casting machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022838092.4U CN214186194U (en) | 2020-11-30 | 2020-11-30 | Positioning tool for local casting machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214186194U true CN214186194U (en) | 2021-09-14 |
Family
ID=77649208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022838092.4U Active CN214186194U (en) | 2020-11-30 | 2020-11-30 | Positioning tool for local casting machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214186194U (en) |
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2020
- 2020-11-30 CN CN202022838092.4U patent/CN214186194U/en active Active
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