CN210649696U - Floating clamping device for machining outer circle of connecting rod by lathe - Google Patents
Floating clamping device for machining outer circle of connecting rod by lathe Download PDFInfo
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- CN210649696U CN210649696U CN201921006698.2U CN201921006698U CN210649696U CN 210649696 U CN210649696 U CN 210649696U CN 201921006698 U CN201921006698 U CN 201921006698U CN 210649696 U CN210649696 U CN 210649696U
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Abstract
A floating clamping device for lathe machining of an outer circle of a connecting rod comprises: the device comprises a positioning module, a floating clamping module, a flange seat and a fixed seat; the flange seat is fixedly connected with the end face of a machine tool spindle, the fixed seat is fixed on the flange seat, the floating clamping module is fixed on the fixed seat, and the positioning module is connected with the floating clamping module. The positioning module includes: a transition sleeve and a tip; the top tip is sleeved in the transition sleeve hole. The floating clamping module comprises a floating disc, a positioning support, a fixed positioning screw, a clamping support and a floating limiting screw; the floating disc is connected with the fixed seat, the positioning support and the clamping support are fixed on the floating disc, the two fixing and positioning screws are installed on the positioning support, and the clamping screws are installed on the clamping support. The device has a compact structure, the clamping mechanism adopts an integral floating form, and can float and clamp according to the deviation of the position of a part clamping point relative to the center, so that the conical surface of the center hole of the workpiece is uniformly contacted with the center without alignment, the auxiliary time is shortened, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the anchor clamps field relates to a clamping device floats, especially relates to a lathe processing connecting rod excircle is with clamping device floats.
Background
As is well known, the outer circle of a machine part is usually fixed and positioned by a three-jaw chuck, a four-jaw chuck, a center, a collet, a V-shaped iron, a sleeve holder, etc. when the machine part is machined on a lathe, the three-jaw chuck, the four-jaw chuck, the center, the collet, the V-shaped iron, the sleeve holder, etc. are. The common axial positioning of the machined workpiece is generally realized by adopting an end face determined by a front center, a flange end face and a chuck jaw. For the special-shaped casting parts such as the connecting rod, because the appearance is irregular and the allowance of a clamping part is uneven, a four-jaw chuck is often adopted for aligning and clamping. The positioning and clamping mode has long auxiliary time, low production efficiency and high labor intensity, and the clamping surface has strict requirements on the size error relative to the centering position.
The utility model discloses a "from centering jack catch mechanism that floats" that national intellectual property office 2018.03.27 authorizes, application date: 2017.06.27, patent application No.: 201720752220.9, publication number: CN 207139291U. The utility model discloses an including orientation module and tight module of clamp, press from both sides tight module including the tight piece of fixed clamp and activity clamp, the tight piece of fixed clamp passes through a claw that the two-jaw chuck is connected to the tight piece of activity clamp and connects through adjustable jaw another claw of two-jaw chuck, the tight piece fixed connection of fixed clamp fixed jaw, the tight piece swing joint of activity clamp the bayonet socket has been seted up respectively on adjustable jaw, the tight piece of fixed clamp and the tight piece opposite face of activity clamp, orientation module including install in the side locating piece and the lower locating piece of two-jaw chuck. The utility model discloses an utilize two claw chuck principles to realize the radial centering of part, utilize the V type bayonet socket of seting up on the tight piece of activity clamp and installation clearance's cooperation, make the tight piece of activity clamp realize axial swing to guarantee the axial centering of part and the clamp of part presss from both sides tightly. The structure is complicated, the allowance distribution of the shape of the part relative to the machining position is required to be uniform, and different machining allowance distributions can cause the relative positions of the machining part and other relevant machined sizes on the part to be changed.
Therefore, a clamp which is compact in structure, convenient and fast to operate and efficient to machine needs to be designed, influences of the shapes of parts on machining positions can be reduced, operation steps are simplified, auxiliary time is shortened, and production efficiency is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compact structure, easy and simple to handle, safe practical lathe processing connecting rod excircle are with clamping device that floats. In order to achieve the above object, the utility model adopts the following technical scheme: a floating clamping device for lathe machining of an outer circle of a connecting rod comprises: the device comprises a positioning module, a floating clamping module, a flange seat, a fixed seat, a key, a fastening screw and a screw; the flange seat is fixedly connected with the end face of a machine tool spindle through screws, the fixed seat is fixed on the flange seat, the floating clamping module is fixed on the fixed seat through keys and fastening screws, and the positioning module is connected with the floating clamping module.
The positioning module includes: a transition sleeve and a tip; the center point is sleeved in the transition sleeve hole and extends into a central hole of a floating disc in the floating clamping module.
The floating clamping module comprises a floating disc, a positioning support, a fixed positioning screw, a clamping support and a floating limiting screw; the floating disc is connected with the fixed seat through two keys and four floating limit screws, the positioning support and the clamping support are fixed on the floating disc, the two fixing and positioning screws are installed on the positioning support, and the clamping screws are installed on the clamping support.
The utility model adopts the above technical scheme have following superiority: the utility model has compact structure and simple operation; the centering of the processed part adopts two centers as centering reference, the clamping mechanism adopts an integral floating form, and the part can be clamped in a floating way according to the deviation of the position of a clamping point of the part relative to the centers, so that the conical surface of the central hole of the workpiece is uniformly contacted with the centers, the centering is not needed, the clamping requirement can be met, the auxiliary time is greatly shortened, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a floating clamping device for lathe machining of an outer circle of a connecting rod of the present invention;
fig. 2 is the utility model relates to a lathe processing connecting rod excircle is with clamping device that floats schematic structure.
In the figure: the device comprises a transition sleeve 1, a tip 2, a flange seat 3, a fixed seat 4, a key 5, a fastening screw 6, a floating disc 7, a positioning support 8, a fixed positioning screw 9, a clamping screw 10, a clamping support 11, a floating limit screw 12 and a screw 13.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples. As shown in fig. 1-2, a floating clamp device for lathing the outer circumference of a connecting rod, comprising: orientation module A, the tight module B of floating clamp, flange seat 3, fixing base 4, key 5, fastening screw 6, screw 13, orientation module A includes: a transition sleeve 1 and a tip 2; the floating clamp module B includes: the floating disc 7, the positioning support 8, the fixed positioning screw 9, the clamping screw 10, the clamping support 11 and the floating limit screw 12; in the positioning module A, the tip 2 is installed in a hole of the transition sleeve 1, the flange seat 3 is fixedly connected with the end face of a machine tool spindle through a screw 13, the fixed seat 4 is fixed on the flange seat 3, the key 5 is fixed on the fixed seat 4 through a fastening screw 6, in the floating clamping module B, the floating disc 7 is connected with the fixed seat 4 through the key 5 and a floating limit screw 12, the positioning support 8 and the clamping support 11 are fixed on the floating disc 7, the two fixed positioning screws 9 are installed on the positioning support 8, and the clamping screw 10 is installed on the clamping support 11.
A floating clamping device for lathe machining of the outer circle of a connecting rod is specifically operated as follows:
the center 2 in the positioning module A is arranged in a hole of the transition sleeve 1 and is used for realizing centering of a part with the center at the tail end of a machine tool, the flange seat 3 is fixedly connected with the end surface of a main shaft of the machine tool through a screw 13, the fixed seat 4 is fixed on the flange seat 3, the key 5 is fixed in a groove on a panel of the fixed seat 4 through a fastening screw 6, the floating limit screw 12 is arranged on the fixed seat 4, the floating clamping module B is arranged, the floating disc 7 is in floating connection with the fixed seat 4 through the key 5 and the floating limit screw 12, a waist-shaped step groove is formed in the panel of the floating disc 7 and is in clearance fit with the axial directions of the four floating limit screws 12, the positioning support 8 and the clamping support 11 are respectively fixed on the floating disc 7, two fixed positioning screws 9 are arranged on the positioning support 8, the clamping screws 10 are arranged on the clamping support 11, after the part is arranged, the clamping screws 10 are screwed, the floating disc And the nail 10 clamps the part as the floating disc 7 floats.
The utility model discloses compact structure, it is easy and simple to handle. The two centers are centered and then clamped quickly and simply without alignment, so that the auxiliary operation time is shortened, and the production efficiency is improved.
Finally, it should be noted that: while the present invention has been described with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. All changes, modifications, equivalents and the like which come within the spirit of the invention are intended to be embraced therein.
Claims (3)
1. A floating clamping device for lathe machining of an outer circle of a connecting rod comprises: the device comprises a positioning module (A), a floating clamping module (B), a flange seat (3), a fixed seat (4), a key (5), a fastening screw (6) and a screw (13); the method is characterized in that: the flange seat (3) is fixedly connected with the end face of a main shaft of the machine tool through a screw (13), the fixed seat (4) is fixed on the flange seat (3), the floating clamping module (B) is fixed on the fixed seat (4) through a key (5) and a fastening screw (6), and the positioning module (A) is connected with the floating clamping module (B).
2. The floating clamp device for lathing the outer circumference of the connecting rod as claimed in claim 1, wherein: the positioning module (A) comprises: a transition sleeve (1) and a tip (2); the center (2) is sleeved in the hole of the transition sleeve (1) and extends into the central hole of the floating disc (7) in the floating clamping module (B).
3. The floating clamp device for lathing the outer circumference of the connecting rod as claimed in claim 1, wherein: the floating clamping module (B) comprises a floating disc (7), a positioning support (8), a fixed positioning screw (9), a clamping screw (10), a clamping support (11) and a floating limiting screw (12); the floating disc (7) is connected with the fixed seat (4) through two keys (5) and four floating limit screws (12), the positioning support (8) and the clamping support (11) are fixed on the floating disc (7), the two fixed positioning screws (9) are installed on the positioning support (8), and the clamping screws (10) are installed on the clamping support (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006698.2U CN210649696U (en) | 2019-07-01 | 2019-07-01 | Floating clamping device for machining outer circle of connecting rod by lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006698.2U CN210649696U (en) | 2019-07-01 | 2019-07-01 | Floating clamping device for machining outer circle of connecting rod by lathe |
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| Publication Number | Publication Date |
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| CN210649696U true CN210649696U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921006698.2U Active CN210649696U (en) | 2019-07-01 | 2019-07-01 | Floating clamping device for machining outer circle of connecting rod by lathe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792542A (en) * | 2021-02-04 | 2021-05-14 | 成都国翼电子技术有限公司 | Auxiliary positioning device for shaft hole matching |
-
2019
- 2019-07-01 CN CN201921006698.2U patent/CN210649696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792542A (en) * | 2021-02-04 | 2021-05-14 | 成都国翼电子技术有限公司 | Auxiliary positioning device for shaft hole matching |
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