CN113146297A

CN113146297A - Self-centering metal pipe stable clamping auxiliary equipment

Info

Publication number: CN113146297A
Application number: CN202110364318.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Daicheng Trading Co ltd
Current assignee: Xiamen Daicheng Trading Co ltd
Priority date: 2021-04-05
Filing date: 2021-04-05
Publication date: 2021-07-23

Abstract

The invention relates to the technical field of metal processing, and discloses a self-centering metal pipe stable clamping auxiliary device which comprises a frame body, wherein the middle part of the left end of the frame body is rotatably connected with a first rotating shaft, the outer part of the left side of the first rotating shaft is fixedly connected with a worm wheel disc, the upper side of the worm wheel disc is connected with an adjusting worm in a meshing manner, the right end of the top of the frame body is fixedly connected with a fixed disc, and a first limiting groove is formed in the fixed disc. This centre gripping auxiliary assembly is stabilized to self-centering tubular metal resonator makes the pivot drive the carousel rotatory through rotating the regulation worm, and under spacing groove two and spacing groove one are spacing, the centering piece is propped up the tubular product inner wall to fixture block one drive, avoids centre gripping tubular product external influence machining precision, through promoting to remove support cooperation tubular product length, the upset hinged disk makes tubular product outer wall extrusion arc clamp splice, and the movable block removes compression spring one, makes the supplementary tight tubular product outer wall of clamp of arc clamp splice, prevents that the tubular product overlength from appearing off-centre.

Description

Self-centering metal pipe stable clamping auxiliary equipment

Technical Field

The invention relates to the technical field of metal processing, in particular to auxiliary equipment for stably clamping a self-centering metal pipe.

Background

The metal pipe is an important raw material for various mechanical products, building frameworks, pipeline transportation and the like, the metal pipe is basically used for conveying liquid and gaseous substances, the requirement on the sealing performance of the joint of the metal pipe is very high, the conventional clamping equipment clamps the peripheral diameter of the metal pipe, the conveying diameter of the metal pipe finally depends on the inner diameter of the metal pipe, the wall thickness of the metal pipe is uneven when the outer diameter of the metal pipe is clamped, the inner wall of the pipe is damaged and leaked due to overlarge pressure during use, the processing quality of the pipe is reduced, one end of the pipe is clamped and processed by the conventional equipment, but the pipe is deflected at a certain angle after being clamped due to the cutting resistance of a cutter and the rotation of the pipe, the length of the pipe is longer, the processing deflection angle is larger, the defective rate is increased, and the processing efficiency of the pipe is reduced.

In order to solve the problems, the inventor provides auxiliary equipment for stably clamping a self-centering metal pipe, the rotating shaft drives the rotating disc to rotate by rotating the adjusting worm, the first clamping block drives the centering block to prop up the inner wall of the pipe under the limiting conditions of the second limiting groove and the first limiting groove, the machining precision is prevented from being influenced by the outside of the clamped pipe, the outer wall of the pipe is enabled to extrude the arc-shaped clamping block by pushing the movable support to match the length of the pipe and turning the hinging disc, and the movable block moves the first compression spring to enable the arc-shaped clamping block to assist in clamping the outer wall of the pipe, so that the pipe is prevented from being eccentric due to overlong.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides auxiliary equipment for stably clamping a self-centering metal pipe, which has the advantages of rotating the inner wall of the self-centering supporting pipe and adjusting the outer wall of the auxiliary clamping pipe according to the length of the pipe, and solves the problems that the inner diameter machining precision is influenced by the outer diameter clamping of the pipe and the pipe is easy to be eccentric when a longer pipe is machined.

(II) technical scheme

In order to realize the purposes of rotatably supporting the inner wall of the pipe in a self-centering manner and adjusting the auxiliary clamping of the outer wall of the pipe according to the length of the pipe, the invention provides the following technical scheme: a self-centering metal pipe stable clamping auxiliary device comprises a frame body, wherein the middle part of the left end of the frame body is rotatably connected with a first rotating shaft, the outer part of the left side of the first rotating shaft is fixedly connected with a worm wheel disc, the upper side of the worm wheel disc is meshed and connected with an adjusting worm, the right end of the top of the frame body is fixedly connected with a fixed disc, the inner part of the fixed disc is provided with a first limiting groove, the inner part of the first limiting groove is in limiting connection with a first clamping block, the inner part of the fixed disc is in limiting connection with a centering block, the right end of the first rotating shaft is fixedly connected with a rotary disc, the inner part of the rotary disc is provided with a second limiting groove, the bottom of the frame body is provided with a sliding groove, the inner part of the sliding groove is movably connected with a roller, the bottom of the frame body is fixedly connected with a limiting rod, the outer part of the limiting rod is slidably connected with a movable support, the top end of the movable support is fixedly connected with a hinged disc, the articulated disc is characterized in that movable blocks are movably connected to the upper portion and the lower portion of the articulated disc in two inner sides, one side, away from the movable support, of each movable block is elastically connected with a first spring, the other end of each movable block is connected with a supporting block through a connecting rod in a transmission mode, the supporting block is close to an arc-shaped clamping block fixedly connected to one side of the center of the articulated disc, the other end of each arc-shaped clamping block is rotatably connected with a roller in an inner side, and one end, away from the articulated part, of the articulated disc is connected with a second clamping block in a clamping mode.

Preferably, the top of support body is cavity, the top of support body is rotated and is connected with the regulation worm, the downside of adjusting the worm is connected with pivot one through the worm wheel dish transmission, and the rotation through adjusting the worm drives pivot one and its upper structure is rotatory.

Preferably, a rotation of the rotating shaft is connected in the fixed disc, the center of the fixed disc is hollow, the fixture blocks are divided into two groups, one group of fixture blocks are fixedly connected at the left end of the centering block, the other group of fixture blocks are fixedly connected at the right end of the centering block, the outer portion of the first fixture block is respectively matched with the inner portions of the first limiting groove and the second limiting groove, and the first limiting groove and the second limiting groove are limited, so that the centering block moves outwards to support the inner wall of the pipe.

Preferably, the centering blocks are arranged in a rotational symmetry mode about the axis of the turntable, one end of each centering block, which is far away from the first rotating shaft, is of an arc-shaped structure, a gap exists between the periphery of the turntable and the inner wall of the metal pipe, and the radius surrounded by the centering blocks is larger than the radius of the turntable and the radius of the fixed disk, so that conditions are provided for tightening the centering blocks.

Preferably, the outside of gag lever post and the inside looks adaptation of moving movable support, the bottom of moving movable support rotates and is connected with the gyro wheel, the gyro wheel rotates the inside of connecting at the spout, the gag lever post sets up in the top of spout, for controlling promoting to move movable support and provide the condition basis.

Preferably, the hinged disk is composed of two sections of hollow ring frames which are mutually hinged, the interior of the hinged disk is matched with the exterior of the movable block, one end, far away from the spring, of the movable block is elastically connected with the first connecting rod, so that the support block can drive the movable block to move at a certain time inside the hinged disk, and the first spring provides elasticity.

Preferably, the structure is arranged about central symmetry on the articulated dish, arc-shaped clamp splice is kept away from articulated dish inner wall one side and is the arc structure, prop up the inside of piece spacing connection at the articulated dish, make arc-shaped clamp splice laminating tubular product peripheral.

(III) advantageous effects

Compared with the prior art, the invention provides auxiliary equipment for stably clamping a self-centering metal pipe, which has the following beneficial effects:

1. this centre gripping auxiliary assembly is stabilized to self-centering tubular metal resonator, through rotating the regulation worm, under the transmission of worm wheel dish, pivot one drives the carousel rotatory, and the fixed disk is static different, rotate spacing and spacing groove one spacing at spacing groove two, fixture block one drives centering piece and moves to the carousel periphery, prop up the tubular product inner wall, arrange based on the rotational symmetry of fixture block one, intraductal inner wall center remains on a pivot axis all the time, thereby reach the effect from centering support tubular product inner wall, avoid centre gripping tubular product outside influence machining precision.

2. This centre gripping auxiliary assembly is stabilized to self-centering tubular metal resonator, promote the removal support through controlling, the gyro wheel rotates in the spout is inside, the limiting displacement of cooperation gag lever post, make the removal support adapt to tubular product length, the articulated dish of upset this moment, make the articulated dish keep away from two joints of articulated department one end fixture block inside the articulated dish, tubular product outer wall extrusion arc clamp splice this moment, make the prop up the piece and remove to articulated dish inner wall one end, under the transmission of connecting rod one, the movable block removes compression spring one, make the supplementary tight tubular product outer wall of clamp of arc clamp splice, thereby reach the effect according to the supplementary centre gripping tubular product outer wall of tubular product length adjustment, prevent that the tubular product overlength from appearing off-centre.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the worm wheel disk of FIG. 1 at A-A;

FIG. 3 is a schematic view of the hinge plate of FIG. 1 at B-B;

FIG. 4 is an enlarged view of the turntable structure of the present invention;

FIG. 5 is a schematic view of the turntable adjusting centering radius of the present invention;

FIG. 6 is an enlarged view of the structure of the fixing plate of the present invention.

In the figure: 1. a frame body; 2. a first rotating shaft; 3. a worm gear disc; 4. adjusting the worm; 5. fixing the disc; 6. a first limiting groove; 7. a first clamping block; 8. a centering block; 9. a turntable; 10. a second limiting groove; 11. a chute; 12. a roller; 13. a limiting rod; 14. moving the support; 15. a hinged disk; 16. a movable block; 17. a first spring; 18. a first connecting rod; 19. supporting a block; 20. an arc-shaped clamping block; 21. a roller; 22. and a second clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a self-centering metal tube stable clamping auxiliary device comprises a frame body 1, a rotating shaft I2 is rotatably connected to the middle of the left end of the frame body 1, the top of the frame body 1 is hollow, an adjusting worm 4 is rotatably connected to the top of the frame body 1, the lower side of the adjusting worm 4 is in transmission connection with the rotating shaft I2 through a worm wheel disc 3, the rotating shaft I2 and the rotating shaft I2 are driven to rotate through the rotation of the adjusting worm 4, the lower side of the adjusting worm 4 is in transmission connection with the rotating shaft I2 through a worm wheel disc 3, a worm wheel disc 3 is fixedly connected to the outer side of the rotating shaft I2 and the rotating shaft I2 through the rotation of the adjusting worm 4, the upper side of the worm wheel disc 3 is in meshing connection with the adjusting worm 4, and a fixing disc 5 is fixedly connected to the right end of the top of the frame body 1, the rotating shaft I2 is rotatably connected inside the fixed disc 5, the center of the fixed disc 5 is hollow, the fixture blocks I7 are divided into two groups, one group is fixedly connected at the left end of the centering block 8, the other group is fixedly connected at the right end of the centering block 8, the outer part of the fixture block I7 is respectively matched with the inner parts of the limiting groove I6 and the limiting groove II 10, the centering block 8 is enabled to move outwards to prop up the inner wall of a pipe through the limiting of the limiting groove I6 and the limiting groove II 10, the limiting groove I6 is formed inside the fixed disc 5, the fixture block I7 is in limiting connection with the inner part of the limiting groove I6, the centering block 8 is in limiting connection with the centering block 8 inside the fixed disc 5, the centering block 8 is rotationally and symmetrically arranged about the axis of the rotating disc 9, one end of the centering block 8 far away from the rotating shaft I2 is of an arc-shaped structure, a gap exists between the periphery of the rotating disc 9 and the inner wall of a metal pipe, the radius surrounded by the centering block 8 is larger than the radii of the rotating disc 9 and the fixed disc 5, and provides a condition for the propping of the centering block 8, the right end of the first rotating shaft 2 is fixedly connected with a rotating disc 9, the inside of the rotating disc 9 is provided with a second limiting groove 10, the bottom of the frame body 1 is provided with a sliding groove 11, the inside of the sliding groove 11 is movably connected with a roller 12, the bottom of the frame body 1 is fixedly connected with a limiting rod 13, the outside of the limiting rod 13 is matched with the inside of the movable support 14, the bottom end of the movable support 14 is rotatably connected with the roller 12, the roller 12 is rotatably connected with the inside of the sliding groove 11, the limiting rod 13 is arranged above the sliding groove 11 to provide a condition basis for pushing the movable support 14 left and right, the outside of the limiting rod 13 is slidably connected with the movable support 14, the top end of the movable support 14 is fixedly connected with a hinged disc 15, the hinged disc 15 is composed of two sections of hollow ring frames which are mutually hinged, the inside of the hinged disc 15 is matched with the outside of the movable block 16, one end, far away from the first spring 17, of the movable block 16 is elastically connected with a first connecting rod 18, so that the supporting block 19 can drive the movable block 16 to move at a fixed time inside the hinged disc 15, a spring 17 provides elasticity, the inside swing joint in both sides has the movable block 16 about articulated dish 15, one side elastic connection that movable block 16 kept away from movable support 14 has a spring 17, the other end of movable block 16 is connected with a piece 19 through a connecting rod 18 transmission, a piece 19 is close one side fixedly connected with arc clamp splice 20 at articulated dish 15 center, articulated dish 15 upper structure is about central symmetrical arrangement, arc clamp splice 20 keeps away from articulated dish 15 inner wall one side and is the arc structure, 19 limit connection in articulated dish 15's inside of a piece, it is peripheral to make arc clamp splice 20 laminating tubular product, the inside rotation of the other end of arc clamp splice 20 is connected with roller 21, articulated dish 15 keeps away from the one end joint of articulated department has fixture block two 22.

The working process and principle are as follows: before processing the pipe, the inner wall of the metal pipe is sleeved inside the turntable 9, a first rotating shaft 2 is fixedly connected to the inside of the turntable 9, the first rotating shaft 2 is rotatably connected to the middle part of the frame body 1, a worm wheel disc 3 is fixedly connected to the outer part of the left side of the first rotating shaft 2, an adjusting worm 4 is meshed and connected to the upper side of the worm wheel disc 3, the adjusting worm 4 is rotated, the first rotating shaft 2 drives the turntable 9 to rotate under the transmission of the worm wheel disc 3, the fixed disc 5 is fixedly connected to the right end of the top part of the frame body 1, the fixed disc 5 is static and different, because a first limiting groove 6 is formed in the fixed disc 5, a second limiting groove 10 is formed in the turntable 9, a first clamping block 7 is respectively connected to the inner parts of the first limiting groove 6 and the second limiting groove 10 in a limiting manner, under the rotation limiting of the second limiting groove 10 and the limiting of the first limiting groove 6, the first clamping block 7 drives the centering block 8 to move towards the periphery of the turntable 9 to support the inner wall of the pipe, based on the rotational symmetrical arrangement of the first clamping blocks 7, the center of the inner wall of the tube is always kept on the axis of the first rotating shaft 2, the effect of self-centering support of the inner wall of the tube is achieved, the outer part of the tube is prevented from influencing the processing precision, after the inner wall of the tube is clamped, the movable support 14 is pushed leftwards and rightwards according to the length of the tube, the roller 12 is movably connected to the inner part of the sliding groove 11, the roller 12 rotates in the sliding groove 11, the roller 12 is rotatably connected to the bottom end of the movable support 14 and matched with the limiting function of the limiting rod 13, the movable support 14 moves to be suitable for the length of the tube, the hinged disc 15 is turned over at the moment, the second clamping block 22 at the end, away from the hinged position, of the hinged disc 15 is clamped in the hinged disc 15, the outer wall of the tube extrudes the arc-shaped clamping block 20, the support block 19 is fixedly connected to the bottom end of the arc-shaped clamping block 20, the support block 19 moves towards one end of the inner wall of the hinged disc 15, under the transmission of the first connecting rod 18, the movable block 16 moves to compress the first spring 17, make the supplementary tight tubular product outer wall of clamp of arc clamp splice 20, reach the effect of supplementary centre gripping tubular product outer wall of pipe length adjustment, prevent that the eccentricity from appearing in the tubular product overlength.

To sum up, this centre gripping auxiliary assembly is stabilized from centering tubular metal resonator through rotating adjusting worm 4, under the transmission of worm wheel dish 3, pivot one 2 drives the carousel 9 rotatory, and the stationary difference of fixed disk 5, rotate spacing and spacing of spacing groove one 6 at spacing groove two 10, fixture block one 7 drives centering piece 8 and moves to carousel 9 periphery, props up the tubular product inner wall, based on the rotational symmetry of fixture block one 7 arranges, intraductal inner wall center remains on pivot one 2 axis all the time to reach the effect of supporting the tubular product inner wall from centering, avoid centre gripping tubular product outside to influence the machining precision.

And, this centre gripping auxiliary assembly is stabilized to self-centering tubular metal resonator, promote removal support 14 through controlling, gyro wheel 12 rotates in spout 11 is inside, the limiting displacement of cooperation gag lever post 13 makes removal support 14 adapt to tubular product length, articulated dish 15 is overturn this moment, make articulated dish 15 keep away from articulated department one end fixture block two 22 joint inside articulated dish 15, tubular product outer wall extrusion arc clamp splice 20 this moment, make a 19 to remove to articulated dish 15 inner wall one end, under the transmission of connecting rod 18, movable block 16 removes compression spring 17, make arc clamp splice 20 assist and press from both sides tight tubular product outer wall, thereby reach the effect of supplementary centre gripping tubular product outer wall of regulation according to tubular product length, prevent that tubular product overlength from appearing off-centre.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from centre gripping auxiliary assembly is stabilized to centering tubular metal resonator, includes support body (1), its characterized in that: the middle part of the left end of the frame body (1) is rotatably connected with a first rotating shaft (2), the outer part of the left side of the first rotating shaft (2) is fixedly connected with a worm wheel disc (3), the upper side of the worm wheel disc (3) is meshed with an adjusting worm (4), the right end of the top of the frame body (1) is fixedly connected with a fixed disc (5), a first limiting groove (6) is formed in the fixed disc (5), a first clamping block (7) is connected to the limiting groove (6) in a limiting mode, a centering block (8) is connected to the fixing disc (5) in a limiting mode, a rotary disc (9) is fixedly connected to the right end of the first rotating shaft (2), a second limiting groove (10) is formed in the rotary disc (9), a sliding groove (11) is formed in the bottom of the frame body (1), idler wheels (12) are movably connected to the sliding groove (11), and a limiting rod (13) is fixedly connected to the bottom of the frame body (1), the outside sliding connection of gag lever post (13) has movable support (14), the articulated dish of top fixedly connected with (15) of movable support (14), the inside swing joint in both sides has movable block (16) about articulated dish (15), one side elastic connection that movable block (16) kept away from movable support (14) has spring (17), the other end of movable block (16) is connected with a piece (19) through connecting rod (18) transmission, one side fixedly connected with arc clamp splice (20) that a piece (19) is close articulated dish (15) center, the inside rotation of the other end of arc clamp splice (20) is connected with roller (21), articulated dish (15) are kept away from the one end joint of articulated department and are had fixture block two (22).

2. The self-centering metal tube stabilizing clamping aid of claim 1, wherein: the top of the frame body (1) is hollow, the top of the frame body (1) is rotatably connected with an adjusting worm (4), and the lower side of the adjusting worm (4) is connected with a first rotating shaft (2) through a worm wheel disc (3) in a transmission mode.

3. The self-centering metal tube stabilizing clamping aid of claim 1, wherein: the utility model discloses a centering device, including fixed disk (5), pivot (2), fixed disk (5), fixture block (7), a set of fixed connection is in the left end of centering piece (8), and another group's fixed connection is at the right-hand member of centering piece (8), the outside of fixture block (7) respectively with the inside looks adaptation of spacing groove (6) and spacing groove two (10).

4. The self-centering metal tube stabilizing clamping aid of claim 1, wherein: centering piece (8) are arranged about carousel (9) axle center rotational symmetry, a terminal journey arc structure of pivot (2) is kept away from in centering piece (8), there is the clearance in the periphery of carousel (9) and the inner wall of tubular metal resonator, the radius that centering piece (8) enclose is greater than the radius of carousel (9) and fixed disk (5).

5. The self-centering metal tube stabilizing clamping aid of claim 1, wherein: the outside of gag lever post (13) and the inside looks adaptation of moving support (14), the bottom of moving support (14) is rotated and is connected with gyro wheel (12), gyro wheel (12) are rotated and are connected in the inside of spout (11), gag lever post (13) set up the top at spout (11).

6. The self-centering metal tube stabilizing clamping aid of claim 1, wherein: the hinge plate (15) is composed of two sections of hollow ring frames which are hinged with each other, the interior of the hinge plate (15) is matched with the exterior of the movable block (16), and one end, far away from the spring I (17), of the movable block (16) is elastically connected with a connecting rod I (18).

7. The self-centering metal tube stabilizing clamping aid of claim 1, wherein: articulated dish (15) are gone up the structure and are arranged about central symmetry, arc clamp splice (20) are kept away from articulated dish (15) inner wall one side and are the arc structure, prop up the inside of piece (19) spacing connection at articulated dish (15).