CN210189056U - Anti-deflection chuck for shaft rod machining - Google Patents
Anti-deflection chuck for shaft rod machining Download PDFInfo
- Publication number
- CN210189056U CN210189056U CN201920489719.4U CN201920489719U CN210189056U CN 210189056 U CN210189056 U CN 210189056U CN 201920489719 U CN201920489719 U CN 201920489719U CN 210189056 U CN210189056 U CN 210189056U
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- positioning pin
- clamping
- positioning
- axis
- angle
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Abstract
The utility model discloses an anti-deflection chuck for shaft rod processing, which comprises a clamp, a transmission rod and an angle positioning pin, wherein the clamp is cylindrical, the two ends of the axis are respectively a clamping end and an installation end, the clamping end is provided with a workpiece clamping hole, the angle positioning pin is positioned in the workpiece clamping hole, and the axis of the installation end is collinearly connected with the transmission rod; the angle positioning pin is sheet-shaped and is provided with a wedge-shaped protruding part matched with the positioning groove at the end part of the shaft rod, two positioning pin sliding grooves are formed in the workpiece clamping hole, and the edges of two sides of the angle positioning pin are respectively positioned in the two positioning pin sliding grooves; and a positioning spring is also arranged in the workpiece clamping hole. The utility model discloses can be fast, accurately aim at the angle locating component that corresponds with the constant head tank of crankshaft end portion to improve the work efficiency of bent axle work piece material loading operation, and improve the processingquality and the qualification rate of bent axle product.
Description
Technical Field
The utility model relates to a machining equipment technical field, especially a shaft lever processing is with preventing chuck that deflects.
Background
To the comparatively accurate bent axle product of constant head tank and eccentric angle requirement, the fixed mode of centre gripping in machining process all adopts several subassembly pieces simultaneous fit motion to realize usually, promptly through the constant head tank of fixed bent axle tip to ensure that the eccentric angle of bent axle obtains stable control in the course of working, with the safety of guarantee work piece, equipment and personnel in the course of working. The angle positioning shaft rod clamp in the prior art needs to align the positioning groove at the end part of the crankshaft to a corresponding angle positioning assembly when the crankshaft workpiece is loaded, so that the feeding operation of the crankshaft workpiece is time-consuming, the situation of inaccurate alignment is easy to occur, the crankshaft workpiece deflects in the machining process, and the machining quality and the qualification rate of the crankshaft product are influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a shaft pole processing is with preventing chuck that deflects can be fast, accurately with the constant head tank alignment of crankshaft end corresponding angle locating component to improve the work efficiency of bent axle work piece material loading operation, and improve the processingquality and the qualification rate of bent axle product.
The utility model provides a technical scheme that its technical problem adopted is:
an anti-deflection chuck for shaft rod machining comprises a clamp, a transmission rod and an angle positioning pin, wherein the clamp is cylindrical, two ends of an axis are respectively a clamping end and an installation end, the clamping end is provided with a workpiece clamping hole, the angle positioning pin is positioned in the workpiece clamping hole, and the axis of the installation end is collinearly connected with the transmission rod; the angle positioning pin is sheet-shaped and is provided with a wedge-shaped protruding part matched with the positioning groove at the end part of the shaft rod, two positioning pin sliding grooves are arranged in the workpiece clamping hole and are symmetrically arranged relative to the axis of the workpiece clamping hole, and edges of two sides of the angle positioning pin are respectively positioned in the two positioning pin sliding grooves; still be provided with positioning spring in the work piece centre gripping hole, positioning spring axis is on a parallel with the axis in work piece centre gripping hole, just positioning spring is located the angle locating pin is towards the one end of installation end.
As a further improvement of the technical scheme, the installation structure further comprises a positioning sleeve, wherein the positioning sleeve is fixedly arranged and coaxially sleeved outside the installation end; the clamping end is provided with a cone frustum-shaped shrinkage bulge, the outer diameter of the shrinkage bulge is gradually reduced from the clamping end to the mounting end, and the clamping end is also provided with a clamping shrinkage joint along the radial direction; one end of the positioning sleeve, which faces the clamp, is provided with a horn contraction opening matched with the contraction protrusion, one end of the transmission rod penetrates through the positioning sleeve to be fixedly connected with the mounting end, and the axis of the other end of the transmission rod is connected with the driving oil cylinder in a collinear manner.
As a further improvement of the above technical solution, the clamping shrinkage joints are multiple and are distributed at equal intervals around the axis of the workpiece clamping hole; a plurality of centre gripping shrinkage joint will the exposed core is cut apart into a plurality of arc grip blocks, and one of them is provided with the locating pin spout the arc grip block to the direction of protective cover extends and forms front end location blade.
Compared with the prior art, the beneficial effects of the utility model are that:
the deflection-preventing chuck for processing the shaft rod can quickly and accurately align the positioning groove at the end part of the crankshaft to the corresponding angle positioning assembly, thereby improving the working efficiency of the feeding operation of the crankshaft workpiece and improving the processing quality and the qualification rate of the crankshaft product; the crankshaft positioning device is suitable for machining various crankshaft products with more precise positioning grooves and eccentric angle requirements, and has the advantages of simple structure, low cost and convenience in maintenance; and the clamping posture is easy to adjust, when products with different specifications need to be processed, only the clamp and the angle positioning pin which are matched with the products in the clamp need to be replaced, and the clamp and the angle positioning pin are convenient and quick to replace.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic sectional structure diagram of the clamp, the angle positioning pin, the transmission rod, the positioning spring and the workpiece according to the present invention;
fig. 2 is a schematic perspective view of the clamp of the present invention;
fig. 3 is a schematic structural view of the mounting end face of the clamp according to the present invention;
FIG. 4 is a schematic structural view of the angle positioning pin of the present invention;
fig. 5 is a schematic structural view of an anti-deflection chuck for processing a shaft rod according to the present invention;
fig. 6 is a schematic view of the end face three-dimensional structure of the positioning sleeve towards one end of the clamp according to the present invention.
Detailed Description
Referring to fig. 1 to 6, fig. 1 to 6 are schematic structural views of an embodiment of the present invention.
As shown in fig. 1 to 6, an anti-deflection chuck for shaft and rod processing comprises a clamp 1, a transmission rod 2 and an angle positioning pin 4, wherein the clamp 1 is cylindrical, two ends of an axis are respectively a clamping end and a mounting end, the clamping end is provided with a workpiece clamping hole 11, the angle positioning pin 4 is positioned in the workpiece clamping hole 11, and the axes of the mounting ends are connected with the transmission rod 2 in a collinear manner; the angle positioning pin 4 is sheet-shaped and is provided with a wedge-shaped protruding part 41 matched with the positioning groove at the end part of the shaft rod, two positioning pin sliding grooves 14 are arranged in the workpiece clamping hole 11, the two positioning pin sliding grooves 14 are symmetrically arranged relative to the axis of the workpiece clamping hole 11, and edges of two sides of the angle positioning pin 4 are respectively positioned in the two positioning pin sliding grooves 14; a positioning spring 42 is further arranged in the workpiece clamping hole 11, the axis of the positioning spring 42 is parallel to the axis of the workpiece clamping hole 11, and the positioning spring 42 is positioned at one end of the angle positioning pin 4 facing the mounting end.
Furthermore, the workpiece clamping hole 11 is a through hole, an external thread is arranged at one end of the transmission rod 2, which is used for connecting the installation end, and an internal thread matched with the external thread of the transmission rod 2 is arranged at one end of the workpiece clamping hole 11, which faces the installation end; the positioning spring 42 is located between the angle positioning pin 4 and the transmission lever 2. The angle positioning pin 4 is provided with a wedge-shaped protrusion 41 in each of both axial end directions of the workpiece holding hole 11. The two wedge-shaped protrusions 41 can be designed to have different specifications so as to be adapted to the positioning grooves 61 of the workpieces 6 with different specifications, and which specification of wedge-shaped protrusion 41 needs to be used is set toward the clamping end.
Specifically, the device also comprises a positioning sleeve 3, wherein the positioning sleeve 3 is fixedly arranged and coaxially sleeved outside the mounting end; the clamping end is provided with a cone frustum-shaped shrinkage bulge 12, the outer diameter of the shrinkage bulge 12 is gradually reduced from the clamping end to the mounting end, and the clamping end is also provided with a clamping shrinkage joint 13 along the radial direction; one end of the positioning sleeve 3 facing the clamp 1 is provided with a horn contraction port 31 matched with the contraction protrusion 12, one end of the transmission rod 2 penetrates through the positioning sleeve 3 and is fixedly connected with the installation end, and the axis of the other end of the transmission rod 2 is connected with the driving oil cylinder in a collinear manner. Still including the protective cover 5 of the ring structure of fixed position setting, the axis collineation of protective cover 5 and anchor clamps 1, and the tip is located between protective cover 5 and the position sleeve 3. The clamping shrinkage joints 13 are multiple, and the multiple clamping shrinkage joints 13 are distributed around the axis of the workpiece clamping hole 11 at equal intervals; the clamping end is divided into a plurality of arc-shaped clamping blocks 15 by the clamping contraction joints 13, and one arc-shaped clamping block 15 provided with the positioning pin sliding groove 14 extends towards the protecting cover 5 to form a front positioning blade 16.
During operation, under the state of no stress, the wedge-shaped protruding part 41 is pushed by the positioning spring 42 to be positioned at the front end positioning blade 16, the positioning groove 61 of the workpiece 6 is aligned with the wedge-shaped protruding part 41, the wedge-shaped protruding part 41 is positioned in the positioning groove 61 of the workpiece 6, then the workpiece 6 is pushed to enable the angle positioning pin 4 to overcome the elastic force of the positioning spring 42 to move until the shaft rod end part of the workpiece 6 completely enters the workpiece clamping hole 11; then the transmission rod 2 pulls the clamp 1 to shrink into the positioning sleeve 3, and under the extrusion action of the horn shrinkage port 31, the shrinkage bulge 12 drives the arc-shaped clamping blocks 15 to shrink, so that the shaft lever of the workpiece 6 is firmly clamped.
Specifically, two sliding positioning grooves 17 can be arranged on the outer side of the shrinkage protrusion 12, and a sliding positioning pin matched with the sliding positioning groove 17 is arranged on the positioning sleeve 3, so that the angle is kept stable and unchanged when the clamp 1 slides; the slide detent pin is not shown in fig. 1-6, but as one skilled in the art would readily understand its structure: the positioning sleeve is axially arranged along the positioning sleeve 3, the position is fixed, and the appearance is matched with the sliding positioning groove 17. The clamp 1 and the transmission rod 2 are fixedly connected through threads, the transmission rod 2 does not need to be detached again when the product specification is changed, the clamp 1 only needs to be detached from the transmission rod 2, the detaching and the closing are reduced, and the time is saved.
The anti-deflection chuck is used in the processing of this embodiment, wherein the internal diameter of work piece centre gripping hole 11 needs the shaft lever diameter phase-match of work piece 6, the thickness of angle locating pin 4 needs the constant head tank 61 phase-match with work piece 6, therefore when changing the processing product specification, as long as change corresponding anchor clamps 1 and angle locating pin 4 join in marriage the type can, all the other subassemblies need not to be changed.
While the preferred embodiments of the present invention have been described, it is to be understood that the present invention may be embodied in other forms than those described above, and that equivalent changes and modifications made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a shaft pole processing is with preventing chuck that deflects which characterized in that: the clamp comprises a clamp (1), a transmission rod (2) and an angle positioning pin (4), wherein the clamp (1) is cylindrical, two ends of an axis are respectively a clamping end and an installation end, the clamping end is provided with a workpiece clamping hole (11), the angle positioning pin (4) is positioned in the workpiece clamping hole (11), and the axes of the installation ends are connected with the transmission rod (2) in a collinear manner; the angle positioning pin (4) is sheet-shaped and is provided with a wedge-shaped protruding part (41) matched with a positioning groove at the end part of the shaft rod, two positioning pin sliding grooves (14) are arranged in the workpiece clamping hole (11), the two positioning pin sliding grooves (14) are symmetrically arranged relative to the axis of the workpiece clamping hole (11), and edges of two sides of the angle positioning pin (4) are respectively positioned in the two positioning pin sliding grooves (14); still be provided with positioning spring (42) in work piece centre gripping hole (11), positioning spring (42) axis is on a parallel with the axis of work piece centre gripping hole (11), just positioning spring (42) are located angle locating pin (4) orientation the one end of installation end.
2. The anti-deflection chuck for processing the shaft rod as claimed in claim 1, wherein: the workpiece clamping hole (11) is a through hole, an external thread is arranged at one end, used for being connected with the mounting end, of the transmission rod (2), and an internal thread matched with the external thread of the transmission rod (2) is arranged at one end, facing the mounting end, of the workpiece clamping hole (11); the positioning spring (42) is positioned between the angle positioning pin (4) and the transmission rod (2).
3. The anti-deflection chuck for processing the shaft rod as claimed in claim 1, wherein: the angle positioning pin (4) is provided with one wedge-shaped protruding part (41) in the directions of two ends of the axis of the workpiece clamping hole (11).
4. The anti-deflection chuck for processing the shaft rod as claimed in claim 1, wherein: the mounting end is characterized by also comprising a positioning sleeve (3), wherein the positioning sleeve (3) is fixedly arranged and coaxially sleeved outside the mounting end; the clamping end is provided with a cone frustum-shaped shrinkage bulge (12), the outer diameter of the shrinkage bulge (12) is gradually reduced from the clamping end to the mounting end, and the clamping end is also provided with a clamping shrinkage joint (13) along the radial direction; the utility model discloses a fixing device for automobile, including anchor clamps (1), driving oil cylinder, location sleeve (3) orientation the one end of anchor clamps (1) is provided with the cooperation horn constriction mouth (31) of shrink arch (12), the one end of transfer line (2) is passed location sleeve (3) fixed connection the installation end, the other end axis collineation of transfer line (2) connects driving oil cylinder.
5. The anti-deflection chuck for processing the shaft rod as claimed in claim 4, wherein: still including the protective cover (5) of the ring structure of fixed position setting, protective cover (5) with the axis collineation of anchor clamps (1), just the exposed core is located protective cover (5) with between position sleeve (3).
6. The anti-deflection chuck for processing the shaft rod as claimed in claim 5, wherein: the clamping shrinkage joints (13) are multiple, and the clamping shrinkage joints (13) are distributed around the axis of the workpiece clamping hole (11) at equal intervals; the clamping contraction joints (13) divide the clamping end into a plurality of arc-shaped clamping blocks (15), and one of the arc-shaped clamping blocks (15) provided with the positioning pin sliding grooves (14) extends towards the protecting cover (5) to form front end positioning blades (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489719.4U CN210189056U (en) | 2019-04-12 | 2019-04-12 | Anti-deflection chuck for shaft rod machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489719.4U CN210189056U (en) | 2019-04-12 | 2019-04-12 | Anti-deflection chuck for shaft rod machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210189056U true CN210189056U (en) | 2020-03-27 |
Family
ID=69876635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489719.4U Expired - Fee Related CN210189056U (en) | 2019-04-12 | 2019-04-12 | Anti-deflection chuck for shaft rod machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210189056U (en) |
-
2019
- 2019-04-12 CN CN201920489719.4U patent/CN210189056U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |