CN214108835U

CN214108835U - Jack catch is used in aerospace spare part processing

Info

Publication number: CN214108835U
Application number: CN202023338041.1U
Authority: CN
Inventors: 王世宇; 吕锋; 赵海龙; 赵全义; 夏桂红; 赵亚杰
Original assignee: Beijing Xingyi Space Technology Co ltd
Current assignee: Beijing Xingyi Space Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The clamping jaw comprises a connecting block, a fixed block, a clamping rod and a blocking block, wherein the connecting block is connected with a clamping groove formed in a chuck in a sliding manner and matched with an adjusting structure in the chuck; the blocking block and the clamping rod are arranged in an L shape. This application has the effect that the centre gripping is fixed to carrying out the dish type blank that makes the chuck can be more firm.

Description

Jack catch is used in aerospace spare part processing

Technical Field

The application relates to the field of aerospace part machining, in particular to a clamping jaw for aerospace part machining.

Background

In the field of aerospace part manufacturing, many parts are machined by machine tools, such as lathes for machining bars.

When the bar is machined, a worker installs the bar on a chuck of a lathe, so that clamping jaws on the chuck clamp the bar fixedly. Among them, the chuck of the lathe is mostly a three-jaw chuck.

In view of the above-mentioned related art, the inventor found that when a disc with a relatively large diameter needs to be clamped and fixed, since a plurality of jaws on a chuck generally only apply a force to a component in a direction toward a central point, once a circular shape of a processed disc-shaped blank is irregular, the rotation of the chuck may cause the disc-shaped blank to shake, and the jaws may not clamp the disc-shaped blank.

SUMMERY OF THE UTILITY MODEL

Carry out the centre gripping fixed to disc type blank for making the chuck can be more firm, this application provides a part processing is with jack catch for aerospace.

The application provides a jack catch for aerospace spare part processing adopts following technical scheme:

a clamping jaw for processing aerospace parts comprises a connecting block, a fixed block, a clamping rod and a blocking block, wherein the connecting block is connected with a clamping groove formed in a chuck in a sliding manner and is matched with an adjusting structure in the chuck; the blocking block and the clamping rod are arranged in an L shape.

Through adopting above-mentioned technical scheme, add man-hour to the dish type blank, the kelly forms the piece that articulates of cross-section for the L type with blocking the piece, the kelly is arranged in the outside of dish type blank, the kelly on a plurality of jack catchs vertically carries out the centre gripping spacingly to the dish type blank, it contacts with the quotation of dish type blank to block the piece, it is spacing to transversely carry out the centre gripping to the dish type blank jointly with the chuck to block the piece, it is spacing through carrying out the centre gripping on equidirectional not to the dish type blank, even there is anomalous condition in the shape of dish type blank, the centre gripping of multi-angle also can be by a wide margin the stability of improvement dish type blank installation on the chuck.

Optionally, a connecting hole perpendicular to the length direction of the clamping rod is formed in the rod body at one end of the clamping rod in a penetrating mode, and a fixing bolt for clamping and fixing the blocking block and the clamping rod penetrates through the blocking block.

Through adopting above-mentioned technical scheme, make things convenient for the staff to install the piece that blocks on the kelly.

Optionally, a fixing piece for fixing the clamping rod on the fixing block is mounted on the fixing block;

the mounting includes the connecting plate with fixed block fixed connection, the through-hole has been seted up on the connecting plate, set up the screw thread on the inner wall of through-hole, the side of kelly is seted up threadedly, kelly threaded connection is in the through-hole.

Through adopting above-mentioned technical scheme, make things convenient for the staff to be connected kelly and fixed block.

Optionally, a mounting hole is formed in the fixing block, and one end of the clamping rod is in inserting fit with the mounting hole.

Through adopting above-mentioned technical scheme, during the one end of kelly inserted the fixed block, let kelly and fixed block have bigger area of contact, improve the stability of kelly installation on the fixed block.

Optionally, a fixing sleeve is fixedly connected to the connecting plate, and the fixing sleeve is sleeved on the clamping rod.

Through adopting above-mentioned technical scheme, fixed sleeve cover is established on the kelly, protects the kelly, improves the stability of kelly when using.

Optionally, an inner wall of the fixing sleeve is provided with an inner thread matched with the clamping rod in a threaded manner.

Through adopting above-mentioned technical scheme, increase the joint strength of mounting and kelly to improve the stability that fixed block and kelly are connected.

Optionally, the blocking piece is provided with a containing groove for containing a fixing bolt and a nut.

Through adopting above-mentioned technical scheme, reduce the interference of nut when fixing bolt is to centre gripping disk type blank.

Optionally, a surface of the clamping rod contacting the blocking block is a plane, and a surface of the clamping rod contacting the nut of the fixing bolt is also a plane.

Through adopting above-mentioned technical scheme, when the kelly improved fixing bolt with blockking the piece and is connected, fixing bolt had better centre gripping fixed effect to the kelly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping jaws for aerospace part processing are arranged to clamp and limit the disc-shaped blank in different directions, so that even if the shape of the disc-shaped blank is irregular, the stability of the disc-shaped blank mounted on the chuck can be greatly improved by multi-angle clamping;

2. the fixing piece is arranged, so that the clamping rod is connected on the fixing block more firmly;

3. through setting up to dismantle with blockking that the piece is connected with the card pole and fixed block, make things convenient for the staff to change the model of card pole and piece.

Drawings

FIG. 1 is a schematic view of a jaw for processing aerospace parts in this embodiment;

fig. 2 is a schematic structural diagram of a jaw for processing aerospace parts in this embodiment.

Description of reference numerals: 1. connecting blocks; 2. a fixed block; 21. mounting holes; 3. a clamping rod; 31. inserting a rod; 32. connecting holes; 4. a blocking block; 41. accommodating grooves; 5. a fixing member; 51. fixing the sleeve; 52. a connecting plate; 53. a through hole; 54. a set screw; 6. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a jaw for aerospace part machining. Referring to fig. 1, the jack catch for aerospace parts processing has seted up the tooth including being used for with the connecting block 1 that the draw-in groove of seting up is connected on the chuck on connecting block 1 for with the cooperation of the regulation structure of arranging in the chuck, the staff adjusts the regulation structure, adjusts the length direction that the structure drove connecting block 1 along the draw-in groove in the draw-in groove and slides.

The clamping jaw for processing the aerospace parts further comprises a fixing block 2 fixedly connected with the connecting block 1, a clamping rod 3 is mounted on the fixing block 2, one end of the clamping rod 3 is connected with the fixing block 2, and a blocking block 4 is mounted at the other end of the clamping rod. Wherein, a fixing piece 5 for fixing the clamping rod 3 on the fixing block 2 is arranged on the fixing block 2. The chuck is provided with a plurality of clamping jaws, and the arrangement direction of the blocking blocks 4 on the plurality of clamping jaws faces to the center of the chuck.

Referring to fig. 1 and 2, a mounting hole 21 is formed in the fixed block 2, an insertion rod 31 extending along the length direction of the clamping rod 3 is convexly arranged at one end of the clamping rod 3, the insertion rod 31 is a round rod, the diameter of the insertion rod 31 is smaller than that of the clamping rod 3, the insertion rod 31 is inserted into the mounting hole 21 formed in the fixed block 2, and the insertion rod 31 is in insertion fit with the mounting hole 21.

The pole body of the other end of kelly 3 runs through and sets up the connecting hole 32 perpendicular with 3 length direction of kelly, wears to be equipped with fixing bolt 6 moreover on blockking piece 4, and when blockking piece 4 and installing on kelly 3, fixing bolt 6 will block piece 4 and kelly centre gripping to fixing blockking piece 4, wherein, having seted up holding tank 41 on blockking piece 4, fixing bolt 6's nut holds in holding tank 41. The contact surface of the clamping rod 3 and the stop block 4 is a plane, and the contact surface of the clamping rod 3 and the nut of the fixing bolt 6 is also a plane.

The fixing piece 5 comprises a fixing sleeve 51 which is sleeved on the clamping rod 3, the side surface of the clamping rod 3 is provided with threads, the fixing sleeve 51 is provided with internal threads, the fixing sleeve 51 is in threaded connection with the clamping rod 3, and when the fixing sleeve 51 is connected with the clamping rod 3, the two ends of the clamping rod 3 penetrate out of the fixing sleeve 51.

One end fixedly connected with connecting plate 52 of fixed sleeve 51 has seted up through-hole 53 on the connecting plate 52, and through-hole 53 communicates with fixed sleeve 51's inside, and the one end of kelly 3 is worn out from through-hole 53, and the one end of just wearing out sets up the one end of inserted bar 31 for kelly 3. The wall of the through hole 53 is also provided with internal threads.

A fixing screw 54 is arranged on the connecting plate 52 in a penetrating way, the fixing screw 54 is connected with the fixed block 2 in a threaded way, and the position where the fixing screw 54 is arranged is positioned at the position of the connecting plate 52 towards the center of the chuck.

The implementation principle of the jaw for aerospace part machining in the embodiment of the application is as follows: when adding man-hour to the dish type blank, the staff installs the dish type blank on the chuck earlier, and adjust the position of jack catch, make kelly 3 and block 4 and form the piece that articulates that the cross-section is the L type, kelly 3 arranges in the outside of dish type blank, kelly 3 on a plurality of jack catches vertically carries out the centre gripping to the dish type blank spacing, block 4 and the quotation contact of dish type blank, it is spacing to block 4 and the chuck and transversely carry out the centre gripping to the dish type blank jointly, it is spacing through carrying out the centre gripping of equidirectional not to the dish type blank, even there is anomalous condition in the shape of dish type blank, the stability of improvement dish type blank installation on the chuck that the centre gripping of multi-angle also can be by a wide margin.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a jack catch is used in processing of aerospace spare part which characterized in that: the clamping device comprises a connecting block (1), a fixed block (2), a clamping rod (3) and a blocking block (4), wherein the connecting block (1) is used for being connected with a clamping groove formed in a chuck in a sliding mode and matched with an adjusting structure in the chuck, the fixed block (2) is fixedly connected with the connecting block (1), the clamping rod (3) is installed on the fixed block (2), and the blocking block (4) is installed at one end, far away from the fixed block (2), of the clamping rod (3); the blocking block (4) and the clamping rod (3) are arranged in an L shape.

2. The aerospace part machining jaw as claimed in claim 1, wherein: the clamping device is characterized in that a connecting hole (32) perpendicular to the length direction of the clamping rod (3) is formed in the rod body at one end of the clamping rod (3) in a penetrating mode, and a fixing bolt (6) for fixing the clamping rod with the clamping block (4) in a clamping mode is arranged on the blocking block (4) in a penetrating mode.

3. The aerospace part machining jaw as claimed in claim 1, wherein: the fixing block (2) is provided with a fixing piece (5) for fixing the clamping rod (3) on the fixing block (2);

fixing piece (5) include with fixed block (2) fixed connection's connecting plate (52), through-hole (53) have been seted up on connecting plate (52), set up screw thread on the inner wall of through-hole (53), screw thread has been seted up to the side of kelly (3), kelly (3) threaded connection is in through-hole (53).

4. The aerospace part machining jaw as claimed in claim 3, wherein: the fixing block (2) is provided with a mounting hole (21), and one end of the clamping rod (3) is in plug-in fit with the mounting hole (21).

5. The aerospace part machining jaw as claimed in claim 3, wherein: the connecting plate (52) is fixedly connected with a fixing sleeve (51), and the fixing sleeve (51) is sleeved on the clamping rod (3).

6. The aerospace part machining jaw as claimed in claim 5, wherein: and the inner wall of the fixed sleeve (51) is provided with an internal thread matched with the clamping rod (3) in a threaded manner.

7. The aerospace part machining jaw as claimed in claim 2, wherein: and the blocking block (4) is provided with a containing groove (41) for containing a nut of the fixing bolt (6).

8. The aerospace part machining jaw as claimed in claim 2, wherein: the contact surface of the clamping rod (3) and the blocking block (4) is a plane, and the contact surface of the clamping rod (3) and the nut of the fixing bolt (6) is also a plane.