CN215546174U

CN215546174U - Clamping frock during automatic weld of undersetting

Info

Publication number: CN215546174U
Application number: CN202120957775.3U
Authority: CN
Inventors: 刘松平; 刘洋
Original assignee: Linli Jinhuatian Machinery Manufacturing Co ltd
Current assignee: Linli Jinhuatian Machinery Manufacturing Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-18
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a clamping tool for automatically welding a lower support, which comprises a base, a horizontal plane rotating mechanism, a transverse plane rotating mechanism and a lower support clamping mechanism, wherein the base is placed on the ground and is fixed on the ground through embedded bolts, the horizontal plane rotating mechanism is arranged on the base, a bearing seat is arranged on the horizontal plane rotating mechanism, the transverse plane rotating mechanism is arranged on the bearing seat, and the lower support clamping mechanism is arranged on the transverse plane rotating mechanism.

Description

Clamping frock during automatic weld of undersetting

Technical Field

The utility model relates to the field of tower crane equipment processing instruments, in particular to a clamping tool for automatically welding a lower support.

Background

The existing lower support is mainly welded in a manual welding mode, the existing lower support is welded by placing the lower support on a welding platform and manually moving the lower support, so that the labor intensity of workers is high, the stability of the lower support needs to be ensured in an automatic welding mode for the lower support, workpieces are welded in a welding rod clamping mode through a mechanical arm in the market at present, but the welding requirement of the lower support is high, the position requirement of a welding spot and a welding seam is high (the lower support is used as a bearing part of a tower crane, the stability requirement of the lower support is high, the lower support is scrapped if the position of the welding spot and the welding seam is deviated), the clamping precision of the lower support needs to be ensured during clamping, and meanwhile, due to the heavy weight of the lower support, when the lower support is clamped through a tool, the clamping difficulty is high.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the clamping tool for automatically welding the lower support, the lower support is clamped in an automatic clamping mode, manual clamping is not needed during clamping, and the clamping tool can be moved during clamping, so that the lower support can be comprehensively welded by a mechanical arm, all welding of the lower support can be carried out on the clamping tool, and re-clamping is not needed.

In order to achieve the purpose, the scheme of the utility model is as follows: the utility model provides a clamping frock when undersetting automatic weld, which comprises a base, horizontal plane rotary mechanism and undersetting clamping machine construct, wherein the base is placed subaerial and the base passes through pre-buried bolt fastening subaerial, be provided with horizontal plane rotary mechanism on the base, be provided with the bearing frame on horizontal plane rotary mechanism, be provided with undersetting clamping machine on horizontal plane rotary mechanism, it welds the undersetting through undersetting clamping machine structure, be provided with supplementary clamping machine structure and supplementary clamping machine structure is located the below of undersetting clamping machine structure on the base, through supplementary clamping machine structure realize the automatic feeding and the unloading on the undersetting clamping machine structure.

Preferably, lower support clamping machine constructs including the fixed plate, the three-jaw chuck, compress tightly the subassembly and support tight subassembly with the slope, the three-jaw chuck is fixed on the fixed plate, be fixed with on the fixed plate and carry out a plurality of subassemblies that compress tightly that link with the three-jaw chuck and a plurality of even distributions of subassembly that compress tightly are in the periphery of three-jaw chuck, it supports tight subassembly to be provided with the slope that supports on the lower support edge in one side that every compresses tightly the subassembly, support tight subassembly through the slope and make the lower support take place the slope, the arm of being convenient for welds like this.

Preferably, the compressing assembly comprises a compressing hydraulic cylinder, a compressing block and a bearing column, wherein the compressing hydraulic cylinder is fixed on the fixed plate, the top of a piston rod of the compressing hydraulic cylinder is fixed on one end of the compressing block in a hinged mode, the middle section of the compressing block is hinged to the top of the bearing column, the bottom of the bearing column is fixed on the fixed plate, and the bearing column is located between the compressing hydraulic cylinder and the lower support.

Preferably, the inclined abutting assembly comprises a jacking hydraulic cylinder and an ejector rod, the cylinder body of the jacking hydraulic cylinder is fixed on the fixed plate and obliquely arranged on the jacking hydraulic cylinder, the ejector rod is fixed on a piston rod of the jacking hydraulic cylinder, a sliding wheel capable of rotating and the edge of the sliding wheel contacting with the lower support are arranged on the ejector rod, the inclined abutting assembly enables the lower support to incline, and welding is facilitated.

Preferably, two support columns which are vertically arranged are fixed on the base, horizontal plane rotating mechanisms which are oppositely arranged are arranged on the two support columns, each horizontal plane rotating mechanism comprises a rotary table and a movable guide rail, the rotary tables are two, two rotary tables are fixedly connected with the same movable guide rail, a movable base is arranged on the movable guide rail, the two rotary tables move through a movable rail on the movable base, a transverse plane rotating mechanism is arranged on the movable base, the transverse plane rotating mechanism is a stepping motor, the stepping motor is fixed on the movable base, a lower support clamping mechanism is fixed on an output shaft of the stepping motor, a bearing is arranged between the lower support clamping mechanism and the movable base, and the lower support clamping mechanism is driven to rotate by the stepping motor.

Preferably, the auxiliary clamping mechanism comprises a sliding track and a lifting table, the lifting table is arranged on the base and embedded into the bottom of the base, the sliding track is arranged between the base and the lifting table, the base and the sliding track on the lifting table are cut off at the joint of the base and the lifting table, a placing plate for placing the lower support is arranged on the sliding track, the placing plate is in sliding fit with the sliding track and automatically moves, and the lower support is moved to the position below the lower support clamping mechanism through the placing plate.

Preferably, a press switch is arranged on the fixing plate and is respectively connected with the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder, the lower support presses the press switch, and the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder simultaneously work to clamp the lower support.

Compared with the prior art, the utility model has the advantages that: 1. when the clamping is carried out, manual clamping is not needed, and meanwhile, the clamping tool can be moved when the clamping is carried out, so that the mechanical arm can comprehensively weld the lower support, the lower support can be completely welded on the clamping tool, and the secondary clamping is not needed.

Drawings

Fig. 1 is a front view of the present invention.

FIG. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

The device comprises a base, a support column, a horizontal plane rotating mechanism, a 2.1 bearing seat, a 2.2 rotating platform, a 2.3 moving guide rail, a 2.4 moving seat, a 3 transverse plane rotating mechanism, a 3.1 stepping motor, a 4 lower support clamping mechanism, a 4.1 fixing plate, a 4.2 pressing switch, a 4.3 three-jaw chuck, a 4.4 pressing component, a 4.5 pressing hydraulic cylinder, a 4.6 pressing block, a 4.7 bearing column, a 4.8 inclined pressing component, a 4.9 jacking hydraulic cylinder, a 4.10 ejector rod, a 4.11 sliding wheel, a 5 auxiliary clamping mechanism, a 5.1 lifting platform, a 5.2 sliding track.

Detailed Description

The utility model will now be further elucidated with reference to the drawing.

As shown in fig. 1-3, a clamping tool for automatically welding a lower support comprises a base 1, a horizontal plane rotating mechanism 2, a horizontal plane rotating mechanism 3 and a lower support clamping mechanism 4, wherein the base 1 is placed on the ground, the base 1 is fixed on the ground through embedded bolts, two vertically arranged support columns 1.1 are fixed on the base 1, the two support columns 1.1 are provided with the horizontal plane rotating mechanism 2 which is oppositely arranged, the horizontal plane rotating mechanism 2 drives a workpiece to rotate in the horizontal direction (taking an X axis as a rotation center), the horizontal plane rotating mechanism 2 is provided with a bearing seat 2.1, the horizontal plane rotating mechanism 3 is arranged on the bearing seat 2.1, the lower support clamping mechanism 4 is arranged on the horizontal plane rotating mechanism 3, the lower support is driven to rotate in the horizontal direction (taking a Y axis as a rotation center) through the horizontal plane rotating mechanism 3, the lower support is clamped by a lower support clamping mechanism 4, the lower support is welded by a mechanical arm, an auxiliary clamping mechanism 5 is arranged on a base 1, the auxiliary clamping mechanism 5 is positioned below the lower support clamping mechanism 4, automatic feeding and discharging on the lower support clamping mechanism 4 are realized by the auxiliary clamping mechanism 5, the lower support is moved to the position below the lower support clamping mechanism 4 by the auxiliary clamping mechanism 5, the lower support is automatically clamped by the lower support clamping mechanism 4, namely, the lower support is moved to the position below the lower support clamping mechanism 4 by the auxiliary clamping mechanism 5, the lower support clamping mechanism 4 is rotated to the position below the lower support clamping mechanism 4 by a horizontal plane rotating mechanism 2, the lower support is lifted and clamped on the lower support clamping mechanism 4 by the auxiliary clamping mechanism 5, and the lower support rotating mechanism is driven to rotate and reset by the horizontal plane rotating mechanism 2, when welding, drive the undersetting through horizontal face rotary mechanism 3 and carry out the spin welding, realize automatic weld like this and the automatic feeding clamping of undersetting.

The lower support clamping mechanism 4 comprises a fixing plate 4.1, a three-jaw chuck 4.3, a pressing component 4.4 and an inclined abutting component 4.8, the three-jaw chuck 4.3 is fixed on the fixing plate 4.1 in a welding mode, four pressing components 4.4 linked with the three-jaw chuck 4.3 are fixed on the fixing plate 4.1 in a welding mode, a plurality of pressing components 4.4 are uniformly distributed on the periphery of the three-jaw chuck 4.3, an inclined abutting component 4.8 abutting against the edge of a lower support is fixed on one side of each pressing component 4.4 in a welding mode, the lower support is inclined through the inclined abutting component 4.8, a mechanical arm is convenient to weld, a welding seam is convenient to expose below a mechanical arm of the chuck, the welding is convenient to weld, the angle adjustment of the mechanical arm is not needed, the lower support can be fixed on the fixing plate 4.1 through the three-jaw 4.3, the pressing component 4.4 and the inclined abutting component 4.8, when welding, the lower support can not move, so that the welding stability is ensured.

The pressing assembly 4.4 comprises a pressing hydraulic cylinder 4.5, a pressing block 4.6 and a bearing column 4.7, wherein the pressing hydraulic cylinder 4.5 is fixed on the fixing plate 4.1 in a welding mode, the top of a piston rod of the pressing hydraulic cylinder 4.5 is fixed on one end of the pressing block 4.6 in a hinged mode, the other end of the pressing block 4.6 is pressed on the lower support, the middle section of the pressing block 4.6 is hinged to the top of the bearing column 4.7, the bottom of the bearing column 4.7 is fixed on the fixing plate 4.1 in a welding mode, the bearing column 4.7 is located between the pressing hydraulic cylinder 4.5 and the lower support, the rotation of the pressing block 4.6 is realized through the contraction of the pressing hydraulic cylinder 4.5, so that the pressing block 4.6 gives way to the lower support, when the pressing hydraulic cylinder 4.5 is ejected, the pressing block 4.6 presses the lower support, and thus, the lever mode is adopted to facilitate the pressing of the lower support.

The inclined abutting component 4.8 comprises a jacking hydraulic cylinder 4.9 and an ejector rod 4.10, the cylinder body of the jacking hydraulic cylinder 4.9 is fixed on the fixed plate 4.1 in a welding mode, the jacking hydraulic cylinder 4.9 is arranged in an inclined mode (the inclined angle is consistent with the inclined angle of a plate on the lower support, the ejector rod 4.10 is fixed on the piston rod of the jacking hydraulic cylinder 4.9 in a welding mode, a rotatable sliding wheel 4.11 is fixed on the ejector rod 4.10 through a pulley support (the pulley support is welded with the ejector rod 4.10), the sliding wheel 4.11 is in contact with the edge of the lower support, the lower support is inclined through the inclined abutting component 4.8, the lower support is inclined through pushing of the ejector rod 4.10, the lower support is inclined, the plate with the lower support is welded in the lower support, a welding seam between the plate and the lower support is positioned below the welding mechanical arm, and is convenient to weld, plate welding is on the undersetting, plate and undersetting are the slope, it does not have the slope clamping on undersetting clamping machine structure 4 to work as the undersetting, plate and the welding seam of undersetting slope from a left side to the right side downwards like this, in the welded time, remove the seat in the translation like this, the welding arm also need move down simultaneously, be not convenient for weld like this (operating procedure is more, produce welding error easily), support tight subassembly 4.8 through the slope and construct with the clamping undersetting clamping machine structure of undersetting slope, the welding seam becomes the level form like this, in the welded time, only need to remove the seat translation and can realize the welding like this, need not to weld the arm translation at welded implementation, be convenient for like this and weld.

The horizontal plane rotating mechanism 2 comprises a rotary table 2.2 and a moving guide rail 2.3, the rotary table 2.2 is respectively welded with two support columns 1.1, the two rotary tables 2.2 are oppositely arranged, the two rotary tables 2.2 are fixedly connected with the same moving guide rail 2.3 in a welding mode, the moving guide rail 2.3 rotates through the two rotary tables 2.2, a moving seat 2.4 (the sliding fit is a linear motor) which is fixed on the moving guide rail 2.3 in a sliding fit mode is fixed on the moving guide rail 2.3, the moving seat 2.4 moves on a moving track through the moving seat 2.4, a transverse plane rotating mechanism 3 is fixed on the moving seat 2.4 in a welding mode, the transverse plane rotating mechanism 3 is a stepping motor 3.1, the stepping motor 3.1 is fixed on the moving seat 2.4 in a bolt fastening mode, the stepping motor 3.1 is fixed on the moving seat 2.4 through a bolt, a lower support clamping mechanism 4 is fixed on an output shaft of the stepping motor 3.1 in a welding mode, a bearing is fixed between the lower support clamping mechanism 4 and the movable seat 2.4 in a welding mode, so that the torque is reduced, and the lower support clamping mechanism 4 is driven to rotate by the stepping motor 3.1, so that the welding of the arc welding seam is realized.

Preferably, the auxiliary clamping mechanism 5 comprises a sliding rail 5.2 and a lifting platform 5.1, the lifting platform 5.1 is embedded in the base 1, the lifting platform 5.1 is embedded in the bottom of the base 1 (the lifting platform 5.1 is a lifting hydraulic cylinder and a support plate, the lifting hydraulic cylinder is fixed in the base 1, the lifting hydraulic cylinder is vertically upward, the support plate is fixed on the top of the lifting hydraulic cylinder in a welding manner), the sliding rail 5.2 is fixed between the base 1 and the lifting platform 5.1 in a welding manner, the sliding rail 5.2 on the base 1 and the lifting platform 5.1 is cut off at the joint of the base 1 and the lifting platform 5.1, a placing plate for placing the lower support is embedded in the sliding rail 5.2 and is in sliding fit with the sliding rail 5.2 and automatically moves (a linear motor is also adopted to move), the lower support is moved to the lower part of the lower support clamping mechanism 4 by the placing plate, and then the lifting platform 5.1 is lifted to realize the butt joint and clamping of the lower support and the lower support, thus, automatic clamping is realized.

The mode of fastening through the bolt has press switch 4.2 on fixed plate 4.1, press switch 4.2 respectively with three-jaw chuck 4.3, compress tightly pneumatic cylinder 4.5, jacking pneumatic cylinder 4.9 is connected, when elevating platform 5.1 rises, the top surface of undersetting contacts with press switch 4.2 earlier, show that the undersetting laminates with fixed plate 4.1 each other like this, show that undersetting clamping mechanism 4 can carry out the clamping to the undersetting like this, the undersetting is pressed down to press switch 4.2, three-jaw chuck 4.3, compress tightly pneumatic cylinder 4.5, jacking pneumatic cylinder 4.9 simultaneous working carries out the clamping to the undersetting, realize the rotation clamping of undersetting like this, realize the automatic weld of undersetting through step motor 3.1's rotation when processing.

Claims

1. The utility model provides a clamping frock when undersetting automatic weld, which comprises a base, horizontal plane rotary mechanism and undersetting clamping machine construct, wherein the base is placed subaerial and the base passes through pre-buried bolt fastening subaerial, be provided with horizontal plane rotary mechanism on the base, be provided with the bearing frame on horizontal plane rotary mechanism, be provided with undersetting clamping machine on horizontal plane rotary mechanism, it welds the undersetting through undersetting clamping machine structure, be provided with supplementary clamping machine structure and supplementary clamping machine structure is located the below of undersetting clamping machine structure on the base, through supplementary clamping machine structure realize the automatic feeding and the unloading on the undersetting clamping machine structure.

2. The clamping tool for automatically welding the lower support according to claim 1, wherein the lower support clamping mechanism comprises a fixing plate, a three-jaw chuck, a pressing assembly and an inclined abutting assembly, the three-jaw chuck is fixed on the fixing plate, the plurality of pressing assemblies linked with the three-jaw chuck are fixed on the fixing plate and uniformly distributed on the periphery of the three-jaw chuck, the inclined abutting assembly abutting against the edge of the lower support is arranged on one side of each pressing assembly, and the lower support is inclined through the inclined abutting assembly, so that the mechanical arm can be conveniently welded.

3. The clamping tool for automatically welding the lower support according to claim 2, wherein the compressing assembly comprises a compressing hydraulic cylinder, a compressing block and a bearing column, the compressing hydraulic cylinder is fixed on the fixing plate, the top of a piston rod of the compressing hydraulic cylinder is fixed at one end of the compressing block in a hinged mode, the middle section of the compressing block is hinged to the top of the bearing column, the bottom of the bearing column is fixed on the fixing plate, and the bearing column is located between the compressing hydraulic cylinder and the lower support.

4. The clamping tool for automatically welding the lower support according to claim 3, wherein the inclined abutting assembly comprises a jacking hydraulic cylinder and an ejector rod, a cylinder body of the jacking hydraulic cylinder is fixed on the fixed plate, the jacking hydraulic cylinder is arranged in an inclined mode, the ejector rod is fixed on a piston rod of the jacking hydraulic cylinder, a rotatable sliding wheel is arranged on the ejector rod and is in contact with the edge of the lower support, and the lower support is inclined through the inclined abutting assembly, so that welding is facilitated.

5. The clamping tool for automatically welding the lower support according to claim 4, wherein two vertically arranged support columns are fixed on the base, two horizontal plane rotating mechanisms are oppositely arranged on the two support columns, each horizontal plane rotating mechanism comprises a rotary table and a moving guide rail, the rotary tables are two and are fixedly connected with the same moving guide rail, the moving guide rail is provided with a moving seat which moves through a moving rail on the moving seat, the moving seat is provided with a horizontal plane rotating mechanism, the horizontal plane rotating mechanism is a stepping motor, the stepping motor is fixed on the moving seat, the lower support clamping mechanism is fixed on an output shaft of the stepping motor, a bearing is arranged between the lower support clamping mechanism and the moving seat, and the lower support clamping mechanism is driven to rotate by the stepping motor.

6. The clamping tool for automatically welding the lower support according to claim 5, wherein the auxiliary clamping mechanism comprises a sliding rail and an elevating platform, the elevating platform is arranged on the base and embedded into the bottom of the base, the sliding rail is arranged between the base and the elevating platform, the sliding rail on the base and the elevating platform is cut off at the joint of the base and the elevating platform, a placing plate for placing the lower support is arranged on the sliding rail, the placing plate is in sliding fit with the sliding rail and automatically moves, and the lower support is moved to the position below the lower support clamping mechanism through the placing plate.

7. The clamping tool for automatically welding the lower support according to claim 6, wherein a press switch is arranged on the fixing plate and is respectively connected with the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder, the lower support presses the press switch, and the three-jaw chuck, the pressing hydraulic cylinder and the jacking hydraulic cylinder simultaneously work to clamp the lower support.