CN210937205U - Clamping tool for steering joint parts - Google Patents

Clamping tool for steering joint parts Download PDF

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Publication number
CN210937205U
CN210937205U CN201921989136.4U CN201921989136U CN210937205U CN 210937205 U CN210937205 U CN 210937205U CN 201921989136 U CN201921989136 U CN 201921989136U CN 210937205 U CN210937205 U CN 210937205U
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CN
China
Prior art keywords
clamping
chuck
clamping block
steering joint
groove
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CN201921989136.4U
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Chinese (zh)
Inventor
何明静
陶林
吴郁婷
尹显勤
杨欢
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Sichuan Aerospace Changzheng Equipment Manufacturing Co Ltd
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Sichuan Aerospace Changzheng Equipment Manufacturing Co Ltd
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Priority to CN201921989136.4U priority Critical patent/CN210937205U/en
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Abstract

The utility model provides a clamping frock of steering joint class part for carry out the clamping to the steering joint class part that comprises main part and the body of rod that sets up in the main part, the clamping frock includes chuck, clamping jaw, big bevel gear, bevel pinion, pole groove, and the chuck top is equipped with a plurality of radial spouts, the clamping jaw slides and sets up in the spout, and the terminal surface that a plurality of clamping jaws are close to chuck middle part one end encloses into the main part groove with treating the adaptation of centre gripping part main part lateral part; the large bevel gear is coaxially arranged in the chuck, the top end of the large bevel gear is connected with the bottom end of the clamping jaw through a plane thread structure, a plurality of small bevel gears are radially embedded in the middle of the chuck, the tooth parts of the small bevel gears are meshed with the gear surface at the bottom of the large bevel gear, and the tail parts of the small bevel gears are provided with square rotating holes; the rod groove and the rod body of the part to be clamped are matched and arranged between two adjacent clamping jaws at the top end of the chuck. The clamping of this frock is stable, and it is convenient to dismantle, and the clamping is efficient, and positioning accuracy is high, and the commonality is strong, and practical value is high.

Description

Clamping tool for steering joint parts
Technical Field
The utility model belongs to the technical field of special-shaped part clamping, in particular to a clamping tool for a steering joint part, which is used for turning the main structure of the steering joint part with the turning characteristics, such as excircle, inner hole, thread, etc.; the valve steering joint part is used for the valve steering joint part which cannot be directly clamped because the ball and the rod are connected.
Background
In the field of aerospace valves, steering joint parts are very common parts in valve products, the main structure of the steering joint parts is generally a spherical, annular or cylindrical revolving body, and rod characteristics are arranged in any direction perpendicular to the axis of the revolving body, as shown in the attached drawing 1 of the specification, as the rod body 2 characteristics are arranged on the revolving surface of the main body 1, the interference between the rod body 2 and the rod body 3 is easy to generate when the revolving surface is clamped by a conventional clamp, and the center is difficult to find when the whole outer surface is clamped, so that the efficiency is extremely low and the machining precision is not high. When the type of part is machined in the past, a self-made opening tire is generally adopted for clamping, the inner hole surface of the opening tire is machined into a shape consistent with the rotary surface of the steering joint part for clamping, a U-shaped groove is formed in the inner hole surface and used for yielding the rod body, then the opening tire is arranged on a three-jaw chuck for machining, the clamping method needs to use a tool for alignment before clamping every time so that the rotary axis of the workpiece is consistent with the axis of a machine tool, the efficiency is low, the rod is easy to swing in the machining process, and the precision of the machined part is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model discloses a solve current steering joint class part and add the clamping difficulty man-hour, fix a position inaccurate problem.
In order to realize the above purpose, the utility model discloses a technical scheme be: a clamping tool for a steering joint part is used for clamping the steering joint part consisting of a main body and a rod body arranged on the main body, and comprises a chuck, clamping jaws, a large bevel gear, a small bevel gear and a rod groove, wherein the top of the chuck is provided with a plurality of radial sliding grooves, the clamping jaws are arranged in the sliding grooves in a sliding manner, and the end surfaces of the clamping jaws, which are close to one end of the middle of the chuck, enclose a main body groove matched with the side part of the main body of the part to be clamped; the large bevel gear is coaxially arranged in the chuck, the top end of the large bevel gear is connected with the bottom end of the clamping jaw through a plane thread structure, a plurality of small bevel gears are radially embedded in the middle of the chuck, the tooth parts of the small bevel gears are meshed with the gear surface at the bottom of the large bevel gear, and the tail parts of the small bevel gears are provided with square rotating holes; the rod groove and the rod body of the part to be clamped are matched and arranged between two adjacent clamping jaws at the top end of the chuck.
The utility model provides a clamping frock, during the use, make the face of processing of treating in the part main part openly up, adopt the spanner to insert behind bevel pinion's the quad slit, rotate the spanner and make bevel pinion rotate, bevel pinion drives bevel pinion and rotates, and the plane helicitic texture on bevel pinion top drives the clamping jaw and removes in the spout in order to support the main part centre gripping of part, supports with the body of rod with the part through the pole groove, then install the frock after the clamping on processingequipment and can process the face of processing in the part main part the utility model discloses a chuck, bevel pinion, the connection and the driving principle of clamping jaw are similar with traditional three-jaw chuck.
The clamping device comprises a clamping block, a rod groove and a clamping block, wherein the clamping block is arranged between two adjacent clamping jaws at the top end of the chuck; preferably, the clamping block comprises a left clamping block and a right clamping block which are arranged oppositely, and one ends of the left clamping block and the right clamping block, which are close to each other, form a rod groove; and one end, close to each other, of the left clamping block and the right clamping block is set to be an inclined surface, and the inclined surfaces of the left clamping block and the right clamping block enclose a V-shaped rod groove.
The clamping device comprises a clamping plate, a clamping block and a clamping plate, wherein the clamping plate is provided with a clamping groove, the clamping block is provided with a left clamping block and a right clamping block, the clamping block is provided with a strip-shaped hole, the clamping block is provided with a right clamping block, the clamping block is provided with a left clamping block, the right clamping block is provided with a right clamping block, and the clamping block is provided with a right clamping block and a left clamping block.
Specifically, the sliding groove is a sliding groove with an I-shaped cross section, and the side wall of the clamping jaw is in an I shape matched with the groove wall of the sliding groove.
Particularly, the middle part of the top end of the chuck is provided with a groove matched with the bottom of the part main body to be clamped, so that the contact area between the part main body and the clamping tool can be increased, and the clamping stability is improved.
The utility model has the advantages that:
the utility model provides a clamping frock of steering joint class part inserts the spout through the clamping jaw in order to the main part centre gripping of part, supports the body of rod of part through the pole groove, then installs the frock after the clamping on processingequipment can process the machined surface on the part main part; in the use process, the tool is stable in clamping, convenient to disassemble, high in clamping efficiency, high in positioning accuracy, strong in universality and high in practical value.
Drawings
FIG. 1 is a schematic view of a conventional steering joint part and a clamping tool thereof;
FIG. 2 is a schematic view of a clamping tool for a steering joint part in the embodiment;
wherein, 1 is the main part, 2 is the body of rod, 3 is the chuck, 4 is the clamping jaw, 5 is left clamp splice, 6 is right clamp splice.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 2, the present embodiment provides a clamping tool for a steering joint part, which is used for clamping a steering joint part composed of a main body 1 and a rod body 2 arranged on the main body 1 shown in fig. 1, the clamping tool includes a chuck 3, a clamping block, a clamping jaw 4, a large bevel gear and a small bevel gear, the top of the chuck 3 is provided with three radial sliding grooves with i-shaped cross sections, the clamping jaw 4 is slidably arranged in the sliding grooves, the middle of the top end of the chuck 3 is provided with a groove adapted to the bottom of the main body 1 of a part to be clamped, and the end surfaces of the three clamping jaws 4 near the middle of the chuck 3 and the groove at the top end of the chuck 3 enclose a main body groove adapted to the side of the; the large bevel gear is coaxially arranged in the chuck 3, the top end of the large bevel gear is connected with the bottom end of the clamping jaw 4 through a plane thread structure, a plurality of small bevel gears are radially embedded in the middle of the chuck 3, the tooth parts of the small bevel gears are meshed with the gear surface at the bottom of the large bevel gear, and the tail parts of the small bevel gears are provided with square rotating holes; set up the mounting groove between 3 adjacent clamping jaws 4 in top of chuck, the clamp splice passes the bar hole through the screw in order to install left clamp splice 5, right clamp splice 6 in the mounting groove including left clamp splice 5 and the right clamp splice 6 that has the bar hole, and left clamp splice 5 sets up to the inclined plane with right clamp splice 6 near one end each other, and left clamp splice 5 encloses into the V-arrangement pole groove with the inclined plane of right clamp splice 6 and treats 2 adaptations of the clamping part body of rod.
The clamping frock of steering joint class part that this embodiment provided, during the use, at first according to the chuck 3 of the size selection suitable of part main part 1, clamping jaw 4 and clamp splice, install the main part 1 of part in the main part inslot, press from both sides tight main part 1 through the clamp splice, the part has the translation degree of freedom in three direction this moment, and the ascending rotational degree of freedom of one direction, install left clamp splice 5 and right clamp splice 6 in the mounting groove afterwards, it makes the work piece body of rod 2 axis perpendicular to lathe gyration axis to beat table alignment, laminate left clamp splice 5, right clamp splice 6 and body of rod 2 surface this moment, it is fixed with two clamp splices to screw up the screw, the rotational degree of freedom of work piece in other two directions has been restricted this moment, can carry out the clamping to the work piece after installing the frock after the clamping on the lathe.
The clamping frock of steering joint class part that this embodiment provided, during the use, at first according to the chuck of the size selection suitable of part main part, clamping jaw and clamp splice, install the main part of part in the main part inslot, press from both sides tight main part through the clamp splice, the part has the translation degree of freedom in three direction this moment, and the ascending rotational degree of freedom of one direction, install left clamp splice and right clamp splice in the mounting groove afterwards, it makes work piece body of rod axis perpendicular to lathe gyration axis to beat table alignment, laminate left clamp splice, right clamp splice and body of rod surface this moment, it is fixed with two clamp splices to screw up the screw, the degree of freedom of rotation of work piece in all the other two directions has been restricted this moment, the frock after will clamping is installed and can be carried out the clamping to the work piece on the lathe.
The fixture is reliable in clamping and positioning, the two clamping blocks prevent the rod body from swinging in the machining process, machining precision is guaranteed, the two clamping blocks are fixed in position when clamping subsequent parts with the same specification, repeated alignment is not needed, and machining efficiency is improved.
The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims (7)

1. A clamping tool for a steering joint part is used for clamping the steering joint part consisting of a main body and a rod body arranged on the main body, and is characterized in that the clamping tool comprises a chuck, clamping jaws, a large bevel gear, a small bevel gear and a rod groove, wherein a plurality of radial sliding grooves are formed in the top of the chuck; the large bevel gear is coaxially arranged in the chuck, the top end of the large bevel gear is connected with the bottom end of the clamping jaw through a plane thread structure, a plurality of small bevel gears are radially embedded in the middle of the chuck, the tooth parts of the small bevel gears are meshed with the gear surface at the bottom of the large bevel gear, and the tail parts of the small bevel gears are provided with square rotating holes; the rod groove and the rod body of the part to be clamped are matched and arranged between two adjacent clamping jaws at the top end of the chuck.
2. The clamping tool for the steering joint parts according to claim 1, further comprising a clamping block, wherein the clamping block is arranged between two adjacent clamping jaws at the top end of the chuck, and the rod groove is formed in the clamping block.
3. The clamping tool for the steering joint parts according to claim 2, wherein the clamping blocks comprise a left clamping block and a right clamping block which are arranged oppositely, and one ends, close to each other, of the left clamping block and the right clamping block form a rod groove.
4. The clamping tool for the steering joint parts according to claim 3, wherein the end, close to each other, of the left clamping block and the right clamping block is provided with an inclined surface, and the inclined surfaces of the left clamping block and the right clamping block enclose a V-shaped rod groove.
5. The clamping tool for the steering joint parts according to claim 3 or 4, wherein a mounting groove is formed between two adjacent clamping jaws at the top end of the chuck, strip-shaped holes are formed in the left clamping block and the right clamping block, and screws penetrate through the strip-shaped holes to mount the left clamping block and the right clamping block in the mounting groove.
6. The clamping tool for the steering joint parts according to claim 1, wherein the sliding groove is in an I-shaped cross section, and the side wall of the clamping jaw is in an I-shaped shape matched with the groove wall of the sliding groove.
7. The clamping tool for the steering joint parts according to claim 1, wherein a groove matched with the bottom of a main body of the part to be clamped is formed in the middle of the top end of the chuck.
CN201921989136.4U 2019-11-18 2019-11-18 Clamping tool for steering joint parts Active CN210937205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921989136.4U CN210937205U (en) 2019-11-18 2019-11-18 Clamping tool for steering joint parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921989136.4U CN210937205U (en) 2019-11-18 2019-11-18 Clamping tool for steering joint parts

Publications (1)

Publication Number Publication Date
CN210937205U true CN210937205U (en) 2020-07-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921989136.4U Active CN210937205U (en) 2019-11-18 2019-11-18 Clamping tool for steering joint parts

Country Status (1)

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CN (1) CN210937205U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112570994A (en) * 2020-12-03 2021-03-30 四川航天长征装备制造有限公司 Method for machining connector with complex shape

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112570994A (en) * 2020-12-03 2021-03-30 四川航天长征装备制造有限公司 Method for machining connector with complex shape

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