CN112091247B - Universal clamp for elbow turning - Google Patents

Universal clamp for elbow turning Download PDF

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Publication number
CN112091247B
CN112091247B CN202010953669.8A CN202010953669A CN112091247B CN 112091247 B CN112091247 B CN 112091247B CN 202010953669 A CN202010953669 A CN 202010953669A CN 112091247 B CN112091247 B CN 112091247B
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Prior art keywords
support
adjusting
seat
sliding
disc
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CN112091247A (en
Inventor
陈强
罗聪
曹莎莎
严笑梅
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AECC Guizhou Liyang Aviation Power Co Ltd
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AECC Guizhou Liyang Aviation Power Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B25/00Accessories or auxiliary equipment for turning-machines
    • B23B25/06Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/103Retention by pivotal elements, e.g. catches, pawls

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

The invention discloses a universal clamp for elbow turning, which comprises a disc, a flat jaw clamping mechanism, a V-shaped jaw clamping mechanism, an adjusting seat, a large pressing plate and an adjusting base. A structure for adjusting in the horizontal direction and the vertical direction is additionally arranged on the V-shaped claw clamping mechanism. After the angle of the V-shaped claw is adjusted, the spatial position can be adjusted at the same time, and the requirements of clamping different parts are met. A horizontal adjusting mechanism is also arranged on the flat jaw clamping mechanism, so that the clamping requirements of different parts are met. The universal fixture is designed for non-right-angle elbow parts, the tool preparation time of the parts is shortened, and the machining efficiency of the parts is improved.

Description

Universal clamp for elbow turning
Technical Field
The invention belongs to the technical field of aeroengine manufacturing, and particularly relates to a universal turning clamp for elbow parts.
Background
Elbows are common parts in external piping systems of aircraft engines, and as shown in fig. 1, these parts are large in number and variety.
Wherein, many elbow parts are forged and cast. The machining process of the parts is simple and mainly adopts turning. The main problems of the parts processing are as follows: due to the fact that various parts are different in structure, special fixtures are needed to be machined when special-shaped parts are machined, and the commonly used fixtures cannot be used universally, the number of the fixtures needed by part machining is large, and the part machining cost is increased. And the processing progress of the part is influenced by the design and manufacturing period of the clamp. In the past, the elbow of the right angle type is provided with a universal fixture for design and manufacture, and the requirement of processing most of parts can be met.
But the non-right-angle elbow parts have no universal fixture for machining the parts. The invention provides a design scheme of a universal clamp for machining parts of the type aiming at the problem.
Disclosure of Invention
The invention aims to provide a universal clamp suitable for turning non-right-angle elbow parts, and solves the problems that the parts are various in number and need to be machined by a special tool. The preparation time of the part tool is shortened, and the machining efficiency of the part is improved.
A universal clamp for elbow turning comprises a disc, a flat jaw clamping mechanism, a V-shaped jaw clamping mechanism, an adjusting seat, a large pressing plate and an adjusting base;
the flat jaw clamping mechanism comprises a left jaw, a right jaw and a first screw rod, the left jaw and the right jaw are in threaded connection with the first screw rod, the first screw rod is rotatably connected to a base, the base is in sliding connection with an adjusting seat, and the adjusting seat is fixed on the upper end face of the disc;
the V-shaped claw clamping mechanism comprises a left V-shaped claw, a right V-shaped claw and a connecting rod assembly, the left V-shaped claw is rotatably connected into a left transfer seat through a left rotating support, the right V-shaped claw is rotatably connected into a right transfer seat through a right rotating support, the left transfer seat and the right transfer seat are respectively connected into the left support and the right support in a sliding manner, two ends of the connecting rod assembly respectively penetrate through the left transfer seat, the left rotating support, the right transfer seat and the right rotating support, a second screw rod is arranged below the connecting rod assembly and is respectively in threaded connection with the left support and the right support, and the second screw rod is rotatably connected to the upper end face of the disc;
the adjusting seat is connected to the upper end face of the disc, an adjusting screw is in threaded connection with the adjusting seat and is connected with the base, and the axial direction of the adjusting screw is consistent with the sliding direction of the base on the adjusting seat;
the adjusting base is connected to the upper end face of the disc, an adjusting screw is arranged at the upper end of the adjusting base and comprises a surface smooth section and a threaded section, the surface smooth section of the adjusting screw is connected with the adjusting base, the threaded section of the adjusting screw is connected with the supporting plate, the supporting plate is connected with a supporting plate cover, and the connecting rod assembly is rotatably connected between the supporting plate and the supporting plate cover;
big clamp plate fixed connection is at the disc up end, and with adjust the seat interval arrangement, left support and right support sliding connection are between big clamp plate, regulation seat and disc up end.
Furthermore, there is a pair of first spout that is on a parallel with the disc up end on adjusting the seat, and the base passes through a pair of slide rail sliding connection on self surface in first spout, and the base surface still has an inclined plane, and the inclined plane has an acute angle contained angle with the slide rail, is provided with two sets of second spouts on the inclined plane, and left claw, right claw are sliding connection respectively in two sets of second spouts.
Furthermore, a first positioning hole is formed in the inclined surface, a first positioning pin is connected in the first positioning hole, an arc-shaped groove is formed in the tail end of the first positioning pin, and a first screw rod is rotatably connected in the arc-shaped groove.
Furthermore, a U-shaped structural groove is respectively arranged on the left support and the right support, a threaded hole matched with the second screw rod is respectively arranged below the U-shaped structural groove and on the left support and the right support, and two third sliding grooves are respectively arranged on two sides of the threaded hole and on the side surfaces of the left support and the right support;
a first rail is arranged on the surface of the large pressing plate;
a second rail parallel to the first rail is arranged on the surface of the adjusting seat;
the left support and the right support are connected to the upper end face of the disc in a sliding mode along the first track and the second track.
Furthermore, a second positioning pin is connected to the disc, a groove is formed in the tail end of the second positioning pin, and a second screw rod is rotatably connected to the groove.
Further, the connecting rod assembly is a stepped rod piece;
the support plate and the support plate cover are respectively provided with a semicircular groove, the connecting rod assembly is rotatably connected in a circular hole formed by the two semicircular grooves, and the inner diameter of the circular hole is smaller than the maximum outer diameter of the connecting assembly.
Furthermore, a front pressing plate and a rear pressing plate which are arranged at intervals and in parallel are arranged on the left support and the right support;
the side surfaces of the left transfer seat and the right transfer seat are respectively provided with a third rail, the left transfer seat is connected in a sliding space formed by the front pressing plate, the rear pressing plate and the left support in a sliding mode through the third rails, and the right transfer seat is connected in a sliding space formed by the front pressing plate, the rear pressing plate and the right support in a sliding mode through the third rails.
Further, the connecting rod assembly is connected with the left rotating support and the right rotating support in a key mode.
Furthermore, linear grooves are formed in the left rotating support and the right rotating support, and the left V-shaped claw and the right V-shaped claw are connected in the linear grooves in a sliding mode. The position adjustment of the left V-shaped claw and the right V-shaped claw is realized through sliding.
The connecting rod assembly is used as a main component for the up-and-down movement and the horizontal movement of the left V-shaped claw and the right V-shaped claw, two ends of the connecting rod assembly extend into the U-shaped structural grooves of the left support and the right support, and one end of the connecting rod assembly is provided with a rotating handle, so that the left V-shaped claw and the right V-shaped claw can be conveniently rotated to adjust the angle. And the left-turning connecting seat and the right-turning connecting seat are provided with fixing screws for compressing the surface of a rod piece of the connecting rod assembly, so that the angles of the left V-shaped claw and the right V-shaped claw are fixed. The front pressing plate and the rear pressing plate are connected to the U-shaped structure groove through screws.
The clamping and positioning mode of the non-right-angle elbow part comprises a positioning clamp and an auxiliary clamp. The main idea of the invention is that two sets of bidirectional clamping mechanisms are arranged on the disc. A pair of flat jaws is arranged on a clamping mechanism for clamping. And a pair of V-shaped claws is arranged on the other clamping mechanism to play a role in positioning and clamping. In order to adapt to the use requirements of parts with different angles, the direction of the V-shaped claw is adjustable. Wherein the position of the claw changes after the angle of the V-shaped claw is adjusted. A structure for adjusting in the horizontal direction and the vertical direction is additionally arranged on the V-shaped claw clamping mechanism. After the angle of the V-shaped claw is adjusted, the spatial position can be adjusted at the same time, and the requirements of clamping different parts are met. A horizontal adjusting mechanism is also arranged on the flat-nose claw clamping mechanism, so that the clamping requirements of different parts are met.
Compared with the existing clamping fixture, the clamping fixture realizes that the clamping problem of a plurality of rows of parts of the same type is solved by one set of device, the tool preparation time of the parts is shortened, and the processing efficiency of the parts is improved.
Drawings
FIG. 1 is a schematic view of a non-right angle type elbow component;
FIG. 2 is an exploded view of a universal fixture for elbow lathing;
FIG. 3 is a top view and two schematic cross-sectional views of a flat jaw clamping mechanism;
FIG. 4 is a top view and three cross-sectional schematic views of the V-shaped jaw clamping mechanism;
FIG. 5 is a perspective view of a universal fixture for elbow lathing;
in the figure, 1-left support; 2-left transfer seat; 3-square head bolt; 4-left V-shaped jaw; 5-round head nut; 6-rotating the support left; 7-locking screws; 8-left paw; 9-a nut; 10-adjusting screws; 11-a liner; 12-a base; 13-right paw; 14-a first screw; 15-right V-shaped jaw; 16-right rotary support; 17-an adjusting seat; 18-an adjusting seat; 19-right transfer seat; 20-rear pressing plate; 21-a right support; 22-a front platen; 23-a second screw; 24-a second locating pin; 25-large press plate; 26-adjusting the base; 27-a cover plate; 28-adjusting the screw; 29-a support plate; 30-a support plate cover; 31-a connecting-rod assembly; 32-a disc; 33-first alignment pin.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples:
as shown in fig. 2 to 5, the universal fixture for elbow turning comprises a disc 32, a flat jaw clamping mechanism, a V-shaped jaw clamping mechanism, an adjusting seat 18, a large pressing plate 25 and an adjusting base 26; the flat jaw clamping mechanism comprises a left jaw 8, a right jaw 13 and a first screw 14, the left jaw 8 and the right jaw 13 are in threaded connection with the first screw 14, the first screw 14 is rotatably connected to a base 12, the base 12 is in sliding connection with an adjusting seat 17, and the adjusting seat 17 is fixed on the upper end face of a disc 32 through a locking screw 7; the V-shaped claw clamping mechanism comprises a left V-shaped claw 4, a right V-shaped claw 15 and a connecting rod assembly 31, the left V-shaped claw 4 is rotatably connected into a left rotary joint seat 2 through a left rotary support 6, the right V-shaped claw 15 is rotatably connected into a right rotary joint seat 19 through a right rotary support 16, the left rotary joint seat 2 and the right rotary joint seat 19 are respectively and slidably connected into a left support 1 and a right support 21, two ends of the connecting rod assembly 31 respectively penetrate through the left rotary joint seat 2, the left rotary support 6, the right rotary joint seat 19 and the right rotary support 16, a second screw 23 is arranged below the connecting rod assembly 31, the second screw 23 is respectively in threaded connection with the left support 1 and the right support 21, and the second screw 23 is rotatably connected to the upper end face of a disc 32; the adjusting seat 18 is connected to the upper end face of the disc 32, an adjusting screw 10 is connected to the adjusting seat 18 in a threaded mode, the adjusting screw 10 is connected with the base 12, a nut 9 is arranged at the other end of the adjusting screw 10, and the axial direction of the adjusting screw 10 is consistent with the sliding direction of the base 12 on the adjusting seat 17; the adjusting base 26 is connected to the upper end face of the disc 32, the upper end of the adjusting base 26 is provided with an adjusting screw 28 through a cover plate 27, the adjusting screw 28 comprises a surface smooth section and a threaded section, the surface smooth section of the adjusting screw 28 is connected with the adjusting base 26, the threaded section of the adjusting screw 28 is connected with the support plate 29, the support plate 29 is connected with a support plate cover 30, and a connecting rod assembly 31 is rotatably connected between the support plate 29 and the support plate cover 30; big clamp plate 25 fixed connection is in disc 32 up end, and with adjust seat 17 interval arrangement, and left support 1 and right support 21 sliding connection are between big clamp plate 25, adjust seat 17 and disc 32 up end.
The adjusting seat 17 is provided with a pair of first sliding grooves parallel to the upper end face of the disc 32, the base 12 is connected in the first sliding grooves through a pair of sliding rails on the surface of the base, the surface of the base 12 is also provided with an inclined plane, the inclined plane and the sliding rails have an acute angle, the inclined plane is provided with two groups of second sliding grooves, and the left claw 8 and the right claw 13 are respectively connected in the two groups of second sliding grooves in a sliding manner. The inclined plane is provided with a first positioning hole, a first positioning pin 33 is connected in the first positioning hole, the tail end of the first positioning pin 33 is provided with an arc-shaped groove, and the first screw 14 is rotatably connected in the arc-shaped groove.
The left support 1 and the right support 21 are respectively provided with a U-shaped structural groove, threaded holes matched with the second screw 23 are respectively arranged below the U-shaped structural grooves and on the left support 1 and the right support 21, and two third sliding grooves are respectively arranged on two sides of the threaded holes and on the side surfaces of the left support 1 and the right support 21; the surface of the large pressure plate 25 is provided with a first rail; a second rail parallel to the first rail is arranged on the surface of the adjusting seat 17; the left support 1 and the right support 21 are slidably connected to the upper end surface of the disk 32 along the first track and the second track.
The disc 32 is connected with a second positioning pin 24, and the tail end of the second positioning pin 24 is provided with a groove which is connected with a second screw 23 in a rotating way. The link assembly 31 is a step link; the support plate 29 and the support plate cover 30 are respectively provided with a semicircular groove, the connecting rod assembly 31 can be rotatably connected in a circular hole formed by the two semicircular grooves, and the inner diameter of the circular hole is smaller than the maximum outer diameter of the connecting assembly 31.
The left support 1 and the right support 21 are respectively provided with a front pressure plate 22 and a rear pressure plate 20 which are arranged at intervals and in parallel; the side surfaces of the left adapter 2 and the right adapter 19 are respectively provided with a third rail, the left adapter 2 is slidably connected in a sliding space formed by the front pressure plate 22, the rear pressure plate 20 and the left support 1 through the third rails, and the right adapter 19 is slidably connected in a sliding space formed by the front pressure plate 22, the rear pressure plate 20 and the right support 21 through the third rails. The connecting rod assembly 31 is keyed to the left 6 and right 16 rotary supports. The left rotating support and the right rotating support are provided with linear grooves, and the left V-shaped claw and the right V-shaped claw are connected in the linear grooves in a sliding manner. The square head bolt 3 and the round head nut 5 are matched with the left V-shaped claw 4 and the right V-shaped claw 15 to be connected to the right rotary support 16 and the left rotary support 6.
The first screw 14, the second screw 23 and the connecting member 31 are rod members having a middle outer diameter smaller than outer diameters of both ends, wherein the connecting member 31 is provided with a key groove.
The flat jaw clamping mechanism is mainly composed of a locking screw 7, a left jaw 8, a nut 9, an adjusting screw 10, a bushing 11, a base 12, a first screw 14, a right jaw 13, an adjusting seat 17, a first screw 14 and a first positioning pin 33, as shown in fig. 3. The left claw 8 and the right claw 13 are connected through a first screw rod 14, and the first screw rod 14 is rotated to clamp the claws through the threaded matching of the first screw rod, the left claw 8 and the right claw 13. The entire flat jaw clamping mechanism is mounted on the base 12. The base 12 is integrally moved in the horizontal direction by being matched with the sliding groove of the adjusting seat 17. The driving force of the horizontal movement comes from the reciprocating movement of the adjusting screw 10 connected on the adjusting seat 18, and the reciprocating movement of the adjusting screw 10 drives the base 12 to horizontally move back and forth.
The V-shaped jaw clamping mechanism is shown in fig. 4, and mainly comprises a left support 1, a left adapter 2, a square-head bolt 3, a round-head nut 5, a right adapter 19, a rear pressure plate 20, a right support 21, a front pressure plate 22, a second screw 23, a second positioning pin 24, a large pressure plate 25, an adjusting base 26, a cover plate 27, an adjusting screw 28, a support plate 29, a support plate cover 30, a connecting rod assembly 31, a second positioning pin 33, a left V-shaped jaw 4, a right V-shaped jaw 15, a right rotary support 16, a left rotary support 6, and an adjusting base 17. The movement to the horizontal direction is realized by the left support 1, the right support 21 in the sliding groove formed by the adjusting seat 17 and the large pressure plate 25. Set up left side joint chair 2, right side joint chair 19 through in left support 1, the right support 21, and then set up right swivel mount 16, left swivel mount 6 in left side joint chair 2, the right swivel mount 19, drive left swivel mount 6, right swivel mount 16 through rotatory link assembly 31 and change the joint chair 2, the right swivel mount 19 relatively and rotate the angle of adjusting left V type claw 4, right V type claw 15. The left support 1 and the right support 21 are also in threaded fit with the second screw 23 through threaded holes at the lower ends, and the second screw 23 is rotated to drive the left support 1 and the right support 21, and the left rotating support 6 and the right rotating support 16 on the left support 1 and the right support 21, and the left V-shaped claw 4 and the right V-shaped claw 15 on the right rotating support 16 to realize clamping. In order to realize that the left support 1, the right support 21, the left rotary support 6 and the right rotary support 16 on the left support and the right support can rotate along the connecting rod assembly 31 when being clamped, the connecting rod assembly 31 is connected with the left rotary support 6 and the right rotary support 16 through keys and key grooves, and the horizontal movement and the rotation are not influenced mutually. Is fixed along the connecting rod assembly 31 by the support plate 29 and the support plate cover 30 and can only rotate and limit axial movement. Meanwhile, the support plate 29 and the support plate cover 30 move up and down through the adjusting screw 28 (the support plate 29 with the threaded hole is driven to move up and down through the threaded section, the support plate 29 is limited by the left support 1 and the right support 21 and cannot rotate but can only move up and down), and the connecting rod assembly 31, the left support 1, the right support 21, the left rotating support 6 and the right rotating support 16 which are connected to the connecting rod assembly 31 are driven to realize the adjustment of moving up and down. The two V-shaped claws can horizontally move in the grooves of the left rotating support 6 and the right rotating support 16. Simultaneously, the V-shaped claws are arranged into a replaceable structure, so that the V-shaped claws of different sizes can be replaced by parts of different sizes.
The basic working process of the universal clamp is as follows: the angle of the V-shaped claw is adjusted by rotating the link assembly 31. And horizontally adjusting the flat jaw clamping mechanism to determine the central position of the part. The V-shaped claw clamping mechanism is adjusted in the vertical direction, the position of the V-shaped claw is adjusted horizontally, the V-shaped claw is adjusted to a proper position, and parts can be clamped. And then the first screw 14 and the second screw 23 are rotated to clamp the part, so that the part is clamped and positioned.
The above is one of the embodiments of the present invention, and a person skilled in the art can make various changes on the basis of the above embodiments to achieve the object of the present invention, but such changes should obviously be within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides an universal clamp of elbow car processing which characterized in that: comprises a disc (32), a flat jaw clamping mechanism, a V-shaped jaw clamping mechanism, an adjusting seat (18), a large pressure plate (25) and an adjusting base (26);
the flat jaw clamping mechanism comprises a left jaw (8), a right jaw (13) and a first screw (14), the left jaw (8) and the right jaw (13) are in threaded connection with the first screw (14), the first screw (14) is rotatably connected to a base (12), the base (12) is in sliding connection with an adjusting seat (17), and the adjusting seat (17) is fixed on the upper end face of a disc (32);
the V-shaped claw clamping mechanism comprises a left V-shaped claw (4), a right V-shaped claw (15) and a connecting rod assembly (31), the left V-shaped claw (4) is rotatably connected into a left transfer seat (2) through a left rotating support (6), the right V-shaped claw (15) is rotatably connected into a right transfer seat (19) through a right rotating support (16), the left transfer seat (2) and the right transfer seat (19) are respectively and slidably connected into the left support (1) and the right support (21), two ends of the connecting rod assembly (31) respectively penetrate through the left transfer seat (2), the left rotating support (6), the right transfer seat (19) and the right rotating support (16), a second screw rod (23) is arranged below the connecting rod assembly (31), the second screw rod (23) is respectively and threadedly connected with the left support (1) and the right support (21), and the second screw rod (23) is rotatably connected to the upper end face of a disc (32);
the adjusting seat (18) is connected to the upper end face of the disc (32), an adjusting screw (10) is in threaded connection with the adjusting seat (18), the adjusting screw (10) is connected with the base (12), and the axial direction of the adjusting screw (10) is consistent with the sliding direction of the base (12) on the adjusting seat (17);
the adjusting base (26) is connected to the upper end face of the disc (32), an adjusting screw rod (28) is arranged at the upper end of the adjusting base (26), the adjusting screw rod (28) comprises a surface smooth section and a threaded section, the surface smooth section of the adjusting screw rod (28) is connected with the adjusting base (26), the threaded section of the adjusting screw rod (28) is connected with the support plate (29), the support plate (29) is connected with a support plate cover (30), and the connecting rod assembly (31) is rotatably connected between the support plate (29) and the support plate cover (30);
big clamp plate (25) fixed connection is in disc (32) up end, and with adjusting seat (17) interval arrangement, and left support (1) and right support (21) sliding connection are between big clamp plate (25), adjust seat (17) and disc (32) up end.
2. The universal fixture for elbow lathing according to claim 1, characterized in that: the adjusting seat (17) is provided with a pair of first sliding grooves parallel to the upper end face of the disc (32), the base (12) is connected in the first sliding grooves through a pair of sliding rails on the surface of the base, the surface of the base (12) is also provided with an inclined plane, the inclined plane and the sliding rails have an acute angle included angle, the inclined plane is provided with two groups of second sliding grooves, and the left claw (8) and the right claw (13) are respectively connected in the two groups of second sliding grooves in a sliding mode.
3. The universal fixture for elbow lathing according to claim 2, characterized in that: the inclined plane is provided with a first positioning hole, a first positioning pin (33) is connected in the first positioning hole, the tail end of the first positioning pin (33) is provided with an arc-shaped groove, and a first screw rod (14) is rotatably connected in the arc-shaped groove.
4. The universal fixture for elbow lathing according to claim 1, characterized in that:
the left support (1) and the right support (21) are respectively provided with a U-shaped structural groove, a threaded hole matched with the second screw rod (23) is respectively arranged below the U-shaped structural grooves and on the left support (1) and the right support (21), and two third sliding grooves are respectively arranged on two sides of the threaded hole and on the side surfaces of the left support (1) and the right support (21);
a first rail is arranged on the surface of the large pressure plate (25);
a second rail parallel to the first rail is arranged on the surface of the adjusting seat (17);
the left support (1) and the right support (21) are connected to the upper end face of the disc (32) in a sliding mode along the first rail and the second rail.
5. The universal fixture for elbow lathing according to claim 1, characterized in that: the disc (32) is connected with a second positioning pin (24), the tail end of the second positioning pin (24) is provided with a groove, and a second screw rod (23) is rotatably connected in the groove.
6. The universal fixture for elbow lathing according to claim 1, characterized in that:
the connecting rod assembly (31) is a step rod piece;
the support plate (29) and the support plate cover (30) are respectively provided with a semicircular groove, the connecting rod assembly (31) can be rotatably connected into a circular hole formed by the two semicircular grooves, and the inner diameter of the circular hole is smaller than the maximum outer diameter of the connecting assembly (31).
7. The universal fixture for elbow lathing according to claim 1, characterized in that:
the left support (1) and the right support (21) are respectively provided with a front pressure plate (22) and a rear pressure plate (20) which are arranged at intervals and in parallel;
the side surfaces of the left transfer seat (2) and the right transfer seat (19) are respectively provided with a third track, the left transfer seat (2) is connected in a sliding space formed by the front pressing plate (22), the rear pressing plate (20) and the left support (1) in a sliding mode through the third tracks, and the right transfer seat (19) is connected in a sliding space formed by the front pressing plate (22), the rear pressing plate (20) and the right support (21) in a sliding mode through the third tracks.
8. The universal fixture for elbow lathing according to claim 1, characterized in that: the connecting rod assembly (31) is in key connection with the left rotating support (6) and the right rotating support (16).
9. The universal fixture for elbow lathing according to claim 1, characterized in that: and linear grooves are formed in the left rotary support (6) and the right rotary support (16), and the left V-shaped claw (4) and the right V-shaped claw (15) are connected in the linear grooves in a sliding manner.
CN202010953669.8A 2020-09-11 2020-09-11 Universal clamp for elbow turning Active CN112091247B (en)

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CN112091247B true CN112091247B (en) 2022-05-17

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Publication number Priority date Publication date Assignee Title
CN113547353B (en) * 2021-08-06 2023-03-17 中国航发沈阳黎明航空发动机有限责任公司 Clamp mechanism for turning nozzle

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CN108247356A (en) * 2017-12-26 2018-07-06 大连船舶重工集团舾装有限公司 Elbow cuts off groove full circle all-in-one machine
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CN210849261U (en) * 2019-10-31 2020-06-26 安徽航天石化装备有限公司 Flange return bend drilling frock
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