CN214920603U - Clamping jaw for chuck and chuck applying clamping jaw - Google Patents
Clamping jaw for chuck and chuck applying clamping jaw Download PDFInfo
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- CN214920603U CN214920603U CN202120792359.2U CN202120792359U CN214920603U CN 214920603 U CN214920603 U CN 214920603U CN 202120792359 U CN202120792359 U CN 202120792359U CN 214920603 U CN214920603 U CN 214920603U
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- chuck
- claw
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- jaw
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Abstract
The utility model discloses a jack catch and use its chuck for chuck, the jack catch is used for installing with the centre gripping work piece on the chuck for the chuck, the jack catch includes claw body and claw head for the chuck: wherein the workpiece has a cylindrical section and a conical section; the claw body is suitable for being connected to the chuck; the claw head is connected to the claw body; the claw head is provided with a cylindrical part which is matched with the cylindrical section and is suitable for abutting against the cylindrical section when clamping the workpiece, and a conical part which is matched with the conical section and is suitable for abutting against the conical section when clamping the workpiece. The utility model discloses can improve the stability and the reliability of centre gripping work piece, can improve the clamping rigidity of work piece.
Description
Technical Field
The utility model relates to a jack catch and use its chuck for chuck.
Background
At present, when utilizing the screw machine of turning the silk when thickening oil pipe's tip processing screw thread, need press from both sides tightly with the chuck thickening oil pipe, because thickening oil pipe's tip has thickening section and thickening changeover portion, and the thickening changeover portion has certain tapering, therefore jack catch in the chuck can't with the laminating of thickening changeover portion, and then can have the clearance between jack catch and thickening changeover portion, lead to right thickening oil pipe's clamping is unstable, and then can appear shaking the sword, leads to thread processing defect, has influenced the qualification rate of processing.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a jack catch for chuck, it can improve the stability and the reliability of centre gripping work piece, can improve the clamping rigidity of work piece.
In order to solve the technical problem, the technical scheme of the utility model is that: a jaw for a chuck, which is to be mounted on a chuck for holding a workpiece, comprising a jaw body and a jaw head: wherein the content of the first and second substances,
the workpiece has a cylindrical section and a conical section;
the claw body is suitable for being connected to the chuck;
the claw head is connected to the claw body;
the claw head is provided with a cylindrical part which is matched with the cylindrical section and is suitable for abutting against the cylindrical section when clamping the workpiece, and a conical part which is matched with the conical section and is suitable for abutting against the conical section when clamping the workpiece.
Further provides a concrete connection structure of the claw head and the claw body, the claw head is connected to the claw body through a locking bolt, and the locking bolt comprises a locking screw and a locking nut head;
the claw body is provided with a threaded hole which is matched with the locking screw rod and is suitable for being in threaded connection with the locking screw rod;
the claw head is provided with a locking hole for the locking screw to pass through and a countersunk hole for the locking nut head to extend into.
In order to further limit the position of the claw head relative to the claw body, a limiting groove is arranged on any one of the claw body and the claw head;
and the other one of the claw body and the claw head is provided with a limiting bulge which is suitable for being clamped into the limiting groove so as to limit the position of the claw head relative to the claw body.
Further provides a concrete structure of the claw body, the claw body is connected on the chuck through at least one connecting bolt, and the connecting bolt comprises a connecting screw rod and a connecting nut head;
the claw body is provided with connecting holes which are in one-to-one correspondence with the connecting screws and are suitable for the corresponding connecting screws to pass through;
the claw body is also provided with a countersunk groove suitable for accommodating the connecting nut head.
Further, the chuck includes the chuck body and follows the radial sliding connection of chuck body is in slidable mounting on the chuck body, the claw body is connected on the slidable mounting.
Further, in order to increase the friction force between the claw body and the sliding installation seat, at least one sawtooth groove is respectively arranged on the end face of the claw body connected with the sliding installation seat and the end face of the sliding installation seat connected with the claw body.
Further, an included angle between a generatrix of the conical part and a central axis of the conical part is 3 degrees and 50';
and/or the diameter of the end of the conical part close to the cylindrical part is smaller than the diameter of the end of the conical part far from the cylindrical part.
Further, in order to increase the friction force between the claw head and the workpiece, at least one transverse groove and/or at least one longitudinal groove are arranged on the conical part and/or the cylindrical part so as to increase the friction force between the claw head and the workpiece.
Further, a separation groove is formed between the cylindrical portion and the conical portion.
The utility model also provides a chuck, it includes at least one as above the jack catch for chuck.
After the technical scheme is adopted, the clamping jaws for the chuck are suitable for being installed on the chuck and are driven by the chuck to clamp a workpiece, when the workpiece is clamped, the cylindrical part can be tightly attached to the cylindrical section on the workpiece, the conical part can be tightly attached to the conical section on the workpiece, and no contact gap exists after tight attachment, so that the workpiece can be clamped more stably and firmly, the rigidity of workpiece clamping is improved, a tool shake can not occur when threads are machined on the workpiece, thread ripple defects are avoided, the thread machining quality is guaranteed, the machining qualification rate is improved, and the workpiece can not be clamped and damaged. The claw head is a soft claw, and the claw head can be replaced when the diameter of a workpiece needing to be machined is changed, so that the claw head can be adapted to workpieces with different diameters, and the application range is expanded.
Drawings
FIG. 1 is a schematic structural view of a workpiece according to the present invention;
fig. 2 is a schematic structural view of a jaw for a chuck according to the present invention;
fig. 3 is a cross-sectional view of a jaw for a chuck according to the present invention;
fig. 4 is a schematic structural view of the chuck according to the present invention;
fig. 5 is a schematic structural view of the claw head of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Example one
As shown in fig. 1 to 5, a jaw for a chuck, which is used to be mounted on a chuck to hold a workpiece 1, includes a jaw body 2 and a jaw head 3: wherein the content of the first and second substances,
the workpiece 1 has a cylindrical section 4 and a conical section 5;
the claw body 2 is suitable for being connected to the chuck;
the claw head 3 is connected to the claw body 2;
the claw head 3 is provided with a cylindrical part 6 which is matched with the cylindrical section 4 and is suitable for being propped against the cylindrical section 4 when the workpiece 1 is clamped, and a conical part 7 which is matched with the conical section 5 and is suitable for being propped against the conical section 5 when the workpiece 1 is clamped; specifically, the clamping jaws for the chuck are suitable for being installed on the chuck and are used for clamping a workpiece 1 under the driving of the chuck, when the workpiece 1 is clamped, the cylindrical part 6 can be attached to and tightly abutted to the cylindrical section 4 on the workpiece 1, the conical part 7 can be attached to and tightly abutted to the conical section 5 on the workpiece 1, and no contact gap exists after tight abutment, so that the workpiece 1 can be clamped more stably and firmly, the rigidity of the workpiece 1 is improved, and further, a tool is not shaken when threads are machined on the workpiece 1, the thread ripple defect is avoided, the quality of thread machining is ensured, the qualification rate of machining is improved, and the workpiece 1 cannot be clamped and damaged.
In this embodiment, the claw head 3 is a soft claw, and the claw head 3 is provided to be capable of replacing the claw head 3 adapted to the diameter of the workpiece 1 when the diameter of the workpiece 1 to be machined changes, and further, to be applicable to workpieces 1 of different diameters, thereby widening the application range. Wherein, the workpiece 1 can be a thickened oil pipe, the conical section 5 is a thickened transition section in the thickened oil pipe, the specific structure of the thickened oil pipe is the prior art well known to those skilled in the art, and details are not described in this embodiment.
As shown in fig. 2 and 3, the claw head 3 is connected to the claw body 2 through a locking bolt, and the locking bolt comprises a locking screw and a locking nut head;
the claw body 2 is provided with a threaded hole 8 which is matched with the locking screw rod and is suitable for being in threaded connection with the locking screw rod;
the claw head 3 is provided with a locking hole 19 for the locking screw to pass through and a counter sink hole 9 for the locking nut head to extend into.
As shown in fig. 2 and 3, a limiting groove is arranged on any one of the claw body 2 and the claw head 3;
the other one of the claw body 2 and the claw head 3 is provided with a limit bulge 10 which is suitable for being clamped into the limit groove to limit the position of the claw head 3 relative to the claw body 2; in this embodiment, the limiting groove is disposed on the claw body 2, and the limiting protrusion 10 is disposed on the claw head 3.
As shown in fig. 2 and 3, the claw body 2 is connected to the chuck through at least one connecting bolt, and the connecting bolt comprises a connecting screw rod and a connecting nut head;
the claw body 2 is provided with connecting holes 11 which correspond to the connecting screw rods one by one and are suitable for the corresponding connecting screw rods to pass through;
the claw body 2 is also provided with a countersunk groove 12 suitable for accommodating the connecting nut head; in the present embodiment, there are 3 connecting holes 11.
As shown in fig. 2 to 4, the chuck may include a chuck body 13 and a sliding mount 14 slidably connected to the chuck body 13 along a radial direction of the chuck body 13, wherein the claw body 2 is connected to the sliding mount 14; specifically, the specific structure of the chuck is the prior art well known to those skilled in the art, and details are not described in this embodiment.
As shown in fig. 2 to 4, at least one serration groove 15 is respectively disposed on an end surface of the claw body 2 connected to the sliding mount 14 and an end surface of the sliding mount 14 connected to the claw body 2, so as to increase a friction force between the claw body 2 and the sliding mount 14.
In the present embodiment, the included angle between the generatrix of the conical portion 7 and the central axis of the conical portion 7 is 3 ° 50', and the diameter of the end of the conical portion 7 close to the cylindrical portion 6 is smaller than the diameter of the end of the conical portion 7 far from the cylindrical portion 6.
As shown in fig. 5, the tapered portion 7 and the cylindrical portion 6 are respectively provided with at least one transverse groove 16 and at least one longitudinal groove 17 to increase the friction between the claw head 3 and the workpiece 1.
As shown in fig. 5, a separation groove 18 may be provided between the cylindrical portion 6 and the tapered portion 7.
Example two
A chuck comprising at least one jaw for a chuck according to the first embodiment; the chuck comprises a chuck body 13 and at least two sliding installation seats 14 which are connected to the chuck body 13 in a sliding mode along the radial direction of the chuck body 13, and the clamping jaws for the chuck correspond to the sliding installation seats 14 one by one and are connected to the corresponding sliding installation seats 14 through connecting bolts; in this embodiment, the chuck is applied to a threading machine.
The working principle of the utility model is as follows:
the jack catch for the chuck is suitable for and installs on the chuck and press from both sides tight work piece 1 under the drive of chuck, when pressing from both sides tight work piece 1 cylindricality portion 6 can support tightly with the laminating of the cylinder section 4 on the work piece 1, toper portion 7 can support tightly with the laminating of the cone section 5 on the work piece 1, does not have the contact clearance after supporting tightly, and then can make the clamping of work piece 1 more stable and firm, has improved the rigidity of the 1 clamping of work piece, and then can not appear the shake sword when processing the screw thread on work piece 1, avoids appearing the screw thread ripple defect, has guaranteed the quality of thread machining, has improved the qualification rate of processing to still can not press from both sides and hinder work piece 1. The claw head 3 is a soft claw, and the purpose of the claw head 3 is that when the diameter of the workpiece 1 to be processed changes, the claw head 3 matched with the diameter of the workpiece 1 can be replaced, so that the claw head can be applied to workpieces 1 with different diameters, and the application range is expanded.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A jaw for a chuck, characterized in that it is intended to be mounted on a chuck for holding a workpiece (1), and it comprises a jaw body (2) and a jaw head (3): wherein the content of the first and second substances,
the workpiece (1) has a cylindrical section (4) and a conical section (5);
the claw body (2) is suitable for being connected to the chuck;
the claw head (3) is connected to the claw body (2);
the claw head (3) is provided with a cylindrical part (6) which is adapted to the cylindrical section (4) and is suitable for abutting against the cylindrical section (4) when clamping the workpiece (1), and a conical part (7) which is adapted to the conical section (5) and is suitable for abutting against the conical section (5) when clamping the workpiece (1).
2. The chuck jaw according to claim 1,
the claw head (3) is connected to the claw body (2) through a locking bolt, and the locking bolt comprises a locking screw rod and a locking nut head;
the claw body (2) is provided with a threaded hole (8) which is matched with the locking screw rod and is suitable for being in threaded connection with the locking screw rod;
and the claw head (3) is provided with a locking hole (19) for the locking screw to pass through and a countersunk hole (9) for the locking nut head to extend into.
3. The chuck jaw according to claim 1,
any one of the claw body (2) and the claw head (3) is provided with a limit groove;
and a limiting bulge (10) which is suitable for being clamped into the limiting groove to limit the position of the claw head (3) relative to the claw body (2) is arranged on the other one of the claw body (2) and the claw head (3).
4. The chuck jaw according to claim 1,
the claw body (2) is connected to the chuck through at least one connecting bolt, and the connecting bolt comprises a connecting screw rod and a connecting nut head;
the claw body (2) is provided with connecting holes (11) which correspond to the connecting screw rods one by one and are suitable for the corresponding connecting screw rods to penetrate through;
the claw body (2) is also provided with a countersunk head groove (12) suitable for accommodating the connecting screw cap head.
5. The chuck jaw according to claim 1, characterized in that the chuck comprises a chuck body (13) and a sliding mounting seat (14) slidably connected to the chuck body (13) in a radial direction of the chuck body (13), and the jaw body (2) is connected to the sliding mounting seat (14).
6. The chuck jaw according to claim 5,
at least one sawtooth groove (15) is respectively arranged on the end face of the claw body (2) connected with the sliding installation seat (14) and the end face of the sliding installation seat (14) connected with the claw body (2).
7. The chuck jaw according to claim 1, characterized in that the included angle between the generatrix of the conical portion (7) and the central axis of the conical portion (7) is 3 ° 50';
and/or the diameter of the end of the conical portion (7) close to the cylindrical portion (6) is smaller than the diameter of the end of the conical portion (7) remote from the cylindrical portion (6).
8. The chuck jaw according to claim 1, characterized in that the tapered portion (7) and/or the cylindrical portion (6) is provided with at least one transverse groove (16) and/or at least one longitudinal groove (17) to increase the friction between the jaw head (3) and the workpiece (1).
9. The chuck jaw according to claim 1, characterized in that a separation groove (18) is provided between the cylindrical portion (6) and the conical portion (7).
10. Chuck according to one of the claims 1 to 9, characterized in that it comprises at least one jaw for a chuck according to one of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120792359.2U CN214920603U (en) | 2021-04-19 | 2021-04-19 | Clamping jaw for chuck and chuck applying clamping jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120792359.2U CN214920603U (en) | 2021-04-19 | 2021-04-19 | Clamping jaw for chuck and chuck applying clamping jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214920603U true CN214920603U (en) | 2021-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120792359.2U Active CN214920603U (en) | 2021-04-19 | 2021-04-19 | Clamping jaw for chuck and chuck applying clamping jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214920603U (en) |
-
2021
- 2021-04-19 CN CN202120792359.2U patent/CN214920603U/en active Active
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