CN111375967A

CN111375967A - Adjustable welding tool

Info

Publication number: CN111375967A
Application number: CN202010357721.3A
Authority: CN
Inventors: 葛可可; 陈凤林; 徐强; 赵青
Original assignee: 702th Research Institute of CSIC
Current assignee: 702th Research Institute of CSIC
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-07-07

Abstract

The invention relates to an adjustable welding tool, which comprises a first workbench and a second workbench which are oppositely arranged, wherein the first workbench and the second workbench are both in a right-angle structure and are locked through fasteners after being oppositely inserted, workpieces to be machined are placed on the butted upper surfaces of the first workbench and the second workbench, linear grooves are formed in the top surfaces of the first workbench and the second workbench, a plurality of clamping and pressing assemblies are installed in the linear grooves in a matched mode, a first rotating shaft is welded on the outer end face of the first workbench, a first supporting table is sleeved on the first rotating shaft, the first supporting table and the first rotating shaft are locked through elastic pressing assemblies and screwing screws, a second rotating shaft is welded on the outer end face of the second workbench, and a second supporting table is installed outside the second rotating shaft in a matched mode. The problems of clamping and overturning of the test plate in the welding process can be effectively solved, and the processing quality of the product is ensured.

Description

Adjustable welding tool

Technical Field

The invention relates to the technical field of welding tools, in particular to an adjustable welding tool for clamping and overturning a workpiece in a welding process.

Background

In general, when performing a welding process evaluation of a joint and a T-joint, it is necessary to consider the problems of holding stability and protection of a workpiece.

In the prior art, when a welding process is used for testing a plate, the plate is simply placed on a tool, the deformation and protection problems of a workpiece are not fully considered, so that the post-welding deformation and the welding quality of metals such as titanium alloy and the like with low elastic modulus can not be guaranteed, and the product quality is influenced.

Disclosure of Invention

The applicant provides an adjustable welding tool aiming at the defects in the prior art, so that the welding tool is simple and flexible to operate, the problems of clamping and overturning of a test plate in the welding process can be effectively solved, and the product processing quality is ensured.

The technical scheme adopted by the invention is as follows:

the utility model provides a welding frock with adjustable, is including relative first workstation and the second workstation that sets up, first workstation and second workstation all become right angle shape structure, lock through the fastener after pegging graft relatively, the work piece that required processing was placed to the upper surface of the butt joint of first workstation and second workstation, the top surface of first workstation and second workstation has all opened the straight line groove, straight line inslot cooperation is installed a plurality of centre grippings and is compressed tightly the subassembly, and the outer end face welding of first workstation has first pivot, the cover has first supporting bench in the first pivot, compress tightly the subassembly through elasticity and screw locking between first supporting bench and the first pivot, the outer end face welding of second workstation has the second pivot, the outside cooperation installation second supporting bench of second pivot.

The further technical scheme is as follows:

supporting blocks extend from two ends of one right-angle side of the first workbench, the supporting blocks are of hollow structures and form cavities, and a linear groove is formed in the top surface of the other right-angle side of the first workbench; and two ends of one right-angle side of the second workbench are extended with supporting legs, the supporting legs are inserted into the corresponding supporting blocks and locked by fasteners, and the top surface of the other right-angle side of the second workbench is provided with a linear groove.

And a plurality of lightening holes are formed in the first workbench and the second workbench.

A plurality of locking holes are formed in the supporting block of the first workbench, and a plurality of mounting holes matched with the locking holes are formed in the supporting leg of the second workbench.

The elastic pressing assembly is structurally characterized in that: the clamping device comprises a pressing sheet of a circular arc-shaped structure, the inner side of the pressing sheet is matched with the appearance of a first rotating shaft, a fixing plate is arranged on the outer side of the pressing sheet through two spaced springs, a screw hole is formed in the middle of the fixing plate, a screwing screw penetrates into the screw hole, and the head of the screwing screw abuts against the outer side face of the pressing sheet.

The structure that the centre gripping compressed tightly the subassembly does: the support is arranged at the bottom of the support, the base is embedded into the linear groove, the head of the support extends to form a horizontal mounting plate, a screw is vertically mounted on the mounting plate, the top of the screw is connected with a wrench, the wrench is simultaneously positioned on the upper portion of the support, the bottom of the screw is connected with a gasket, and the gasket is abutted against a workpiece.

The cross-sectional shapes of the first supporting platform and the second supporting platform are both trapezoidal.

The first supporting table and the second supporting table are fixed on the welding table at the same time.

The first supporting platform is provided with a hole matched with the elastic pressing component and the screwing screw.

The first rotating shaft or the second rotating shaft is connected with the motor.

The invention has the following beneficial effects:

the clamping device is compact and reasonable in structure and convenient to operate, the width of a workpiece to be clamped can be conveniently adjusted through the matching work of the first workbench and the second workbench, the clamping device is flexible to use, the workpiece is pressed through the clamping pressing assemblies, the reliable installation of the workpiece is guaranteed, the first rotating shaft and the second rotating shaft can rotate the whole tool for clamping the workpiece according to actual requirements, the use requirements of workpieces in different shapes are met, the welding quality is guaranteed, and the product processing quality is guaranteed.

Meanwhile, the invention also has the following advantages:

a) the test board clamping and overturning device can clamp and overturn the test board quickly and efficiently, is simple and flexible in structure and is suitable for single-person operation.

b) Within a certain range, the test board is suitable for test boards with different thicknesses and different sizes.

c) The safety and the welding efficiency are improved, and the labor conditions of workers are improved.

Drawings

Fig. 1 is a schematic structural diagram (when clamping a workpiece) of the present invention.

Fig. 2 is a schematic structural view of another corner of the present invention (when clamping a workpiece).

Fig. 3 is a schematic structural view (no workpiece clamped) of the present invention.

Fig. 4 is a schematic view of the installation of the first and second work tables of the present invention.

Fig. 5 is a schematic structural diagram of the elastic pressing assembly of the present invention.

FIG. 6 is a schematic view of a clamping assembly according to the present invention.

Fig. 7 is a schematic diagram of the inverted structure of the present invention.

Wherein: 1. a first support table; 2. screwing the screw tightly; 3. a first rotating shaft; 4. clamping the pressing assembly; 5. a first table; 601. a first workpiece; 602. a second workpiece; 7. a second table; 8. a linear groove; 9. a second support table; 10. a second rotating shaft; 11. a compression sheet; 12. a fixing plate; 13. a screw hole; 14. a spring;

401. a wrench; 402. a support; 403. a screw; 404. a gasket; 405. a base;

501. a lightening hole; 502. a locking hole;

701. and (7) installing holes.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 7, the adjustable welding fixture of this embodiment includes a first workbench 5 and a second workbench 7 which are arranged oppositely, the first workbench 5 and the second workbench 7 both have a right-angle structure, and are locked by a fastener after being plugged relatively, a workpiece to be processed is placed on the upper surface of the butt joint of the first workbench 5 and the second workbench 7, linear grooves 8 are formed on the top surfaces of the first workbench 5 and the second workbench 7, a plurality of clamping and compressing assemblies 4 are installed in the linear grooves 8 in a matching manner, a first rotating shaft 3 is welded on the outer end surface of the first workbench 5, a first supporting table 1 is sleeved on the first rotating shaft 3, the first supporting table 1 and the first rotating shaft 3 are locked by an elastic compressing assembly and a screwing screw 2, a second rotating shaft 10 is welded on the outer end surface of the second workbench 7, and a second supporting table 9 is installed outside the second rotating shaft 10 in a matching manner.

Two ends of one right-angle side of the first workbench 5 extend to form supporting blocks, the supporting blocks are of hollow structures and form cavities, and the top surface of the other right-angle side of the first workbench 5 is provided with a linear groove 8; two ends of one right-angle side of the second workbench 7 are extended with supporting legs, the supporting legs are inserted into the corresponding supporting blocks and locked through fasteners, and the top surface of the other right-angle side of the second workbench 7 is provided with a linear groove 8.

The first table 5 and the second table 7 are both provided with a plurality of lightening holes 501.

The supporting block of the first working table 5 is provided with a plurality of locking holes 502, and the leg of the second working table 7 is provided with a plurality of mounting holes 701 matched with the locking holes 502.

The structure of the elastic pressing assembly is as follows: the clamping device comprises a pressing sheet 11 in an arc-shaped structure, the inner side of the pressing sheet 11 is matched with the appearance of a first rotating shaft 3, a fixing plate 12 is arranged on the outer side of the pressing sheet 11 through two spaced springs 14, a screw hole 13 is formed in the middle of the fixing plate 12, a screwing screw 2 penetrates into the screw hole 13, and the head of the screwing screw 2 abuts against the outer side face of the pressing sheet 11.

The structure of the clamping and pressing component 4 is as follows: the device comprises a support 402, wherein a base 405 is arranged at the bottom of the support 402, the base 405 is embedded into a linear groove 8, a horizontal mounting plate extends from the head of the support 402, a screw 403 is vertically mounted on the mounting plate, the top of the screw 403 is connected with a wrench 401, the wrench 401 is simultaneously positioned at the upper part of the support 402, a gasket 404 is connected to the bottom of the screw 403, and the gasket 404 is abutted against a workpiece.

The first support table 1 and the second support table 9 are each trapezoidal in cross-sectional shape.

The first support table 1 and the second support table 9 are fixed to the welding table at the same time.

The first supporting platform 1 is provided with a hole matched with the elastic pressing component and the screwing screw 2.

The first rotating shaft 3 or the second rotating shaft 10 is connected with a motor.

The invention adopts a mode that the first workbench 5 and the second workbench 7 are inserted, and the function is used for adjusting the size range of the welding workpiece.

The design of the linear groove 8, the clamping and pressing assembly 4 can slide freely along the linear groove 8, the screw 403 rotates along with the linear groove by rotating the wrench 401, so as to press or release the clamping force, the gasket 404 is in contact with the workpiece, and the gasket 404 is a rubber gasket and is used for increasing friction and preventing the workpiece from being scratched.

The design of the elastic compression assembly and the screwing screw 2 can fix the whole workbench at a certain position.

The first and

second shafts

3 and 10 are externally fitted with bushings for preventing the shafts from being separated from their supporting tables when they are rotated.

The whole workbench can rotate by applying the driving force of the first rotating shaft 3 or the second rotating shaft 10 or directly and manually overturning the workbench.

In the actual use process:

when the first workpiece 601 is machined, the first workpiece 601 is of a flat plate type structure, and a welding seam is arranged in the middle of the first workpiece 601.

Firstly, according to the width size of a first workpiece 601, inserting the supporting legs of a second workbench 7 into the supporting blocks of the first workbench 5, then placing the first workpiece 601 into the upper surfaces of the first workbench 5 and the second workbench 7, then continuously inserting the supporting legs of the second workbench 7 into the supporting blocks of the first workbench 5 until the size of the supporting legs is matched with that of the first workpiece 601, and then locking the supporting legs and the first workbench 5 by bolts;

screwing each clamping and pressing assembly 4 tightly to enable the gasket 404 to be attached to the upper surface of the first workpiece 601; the number and the positions of the clamping and pressing components 4 are determined according to the characteristics of the workpiece.

The clamping is finished, the first workpiece 601 can be welded, when the reverse side of the first workpiece 601 needs to be welded, the first workpiece 601 does not need to be detached, and the whole workbench is directly rotated through the rotating shaft and turned over.

When the second workpiece 602 is processed, the second workpiece 602 has a T-shaped structure.

Firstly, according to the width size of a second workpiece 602, inserting the supporting legs of a second workbench 7 into the supporting blocks of a first workbench 5, then placing the first workpiece 601 into the upper surfaces of the first workbench 5 and the second workbench 7, then continuing to insert the supporting legs of the second workbench 7 into the supporting blocks of the first workbench 5 until the size of the second workpiece is matched with that of the second workpiece 602, and then locking the two by bolts;

tightening each clamping and compressing assembly 4 to enable the gasket 404 to be attached to the upper surface of the second workpiece 602; the number and the positions of the clamping and pressing components 4 are determined according to the characteristics of the workpiece.

After clamping, welding operation can be performed on the second workpiece 602, then the motor is started, the whole workbench is rotated by 45 degrees, the joint is positioned at a ship-shaped welding position where a high-quality welding seam can be obtained more easily, the first rotating shaft 3 is locked by the screwing screw 2, and then welding operation is performed on the first rotating shaft.

The invention has convenient operation and flexible and reliable use.

The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.

Claims

1. The utility model provides a welding frock with adjustable which characterized in that: the device comprises a first workbench (5) and a second workbench (7) which are oppositely arranged, wherein the first workbench (5) and the second workbench (7) are both in right-angle structures and are locked through fasteners after being oppositely plugged, workpieces required to be processed are placed on the upper surfaces of the butting joints of the first workbench (5) and the second workbench (7), straight line grooves (8) are formed in the top surfaces of the first workbench (5) and the second workbench (7), a plurality of clamping and pressing assemblies (4) are installed in the straight line grooves (8) in a matched mode, a first rotating shaft (3) is welded on the outer end face of the first workbench (5), a first supporting platform (1) is sleeved on the first rotating shaft (3), the first supporting platform (1) and the first rotating shaft (3) are locked through elastic pressing assemblies and screwing screws (2), a second rotating shaft (10) is welded on the outer end face of the second workbench (7), and a second supporting platform (9) is arranged outside the second rotating shaft (10) in a matching way.

2. The adjustable welding tool of claim 1, wherein: supporting blocks extend from two ends of one right-angle side of the first workbench (5), the supporting blocks are of hollow structures and form cavities, and a linear groove (8) is formed in the top surface of the other right-angle side of the first workbench (5); two ends of one right-angle side of the second workbench (7) extend to form supporting legs, the supporting legs are inserted into corresponding supporting blocks and locked through fasteners, and the top surface of the other right-angle side of the second workbench (7) is provided with a linear groove (8).

3. The adjustable welding tool of claim 1 or 2, wherein: and a plurality of lightening holes (501) are formed in the first workbench (5) and the second workbench (7).

4. The adjustable welding tool of claim 2, wherein: a plurality of locking holes (502) are formed in the supporting block of the first workbench (5), and a plurality of mounting holes (701) matched with the locking holes (502) are formed in the supporting legs of the second workbench (7).

5. The adjustable welding tool of claim 1, wherein: the elastic pressing assembly is structurally characterized in that: including compressing tightly piece (11) that becomes convex structure, the appearance cooperation of compressing tightly piece (11) inboard and first pivot (3), fixed plate (12) are installed through two spaced springs (14) in the outside of compressing tightly piece (11), open at fixed plate (12) middle part has screw (13), penetrate screw (2) of screwing in screw (13), the head of screw (2) of screwing supports with the lateral surface of compressing tightly piece (11).

6. The adjustable welding tool of claim 1, wherein: the structure of the clamping and pressing component (4) is as follows: including support (402), the bottom of support (402) is provided with base (405), base (405) imbeds in the straight line groove (8), the head of support (402) extends there is the horizontally mounting panel, install screw rod (403) perpendicularly on the mounting panel, spanner (401) are connected at the top of screw rod (403), spanner (401) are located the upper portion of support (402) simultaneously, and the bottom of screw rod (403) is connected with gasket (404), gasket (404) and work piece support.

7. The adjustable welding tool of claim 1, wherein: the cross sections of the first supporting platform (1) and the second supporting platform (9) are both trapezoidal.

8. The adjustable welding tool of claim 1, wherein: the first supporting table (1) and the second supporting table (9) are fixed on the welding table at the same time.

9. The adjustable welding tool of claim 1, wherein: the first supporting platform (1) is provided with a hole matched with the elastic pressing component and the screwing screw (2).

10. The adjustable welding tool of claim 1, wherein: the first rotating shaft (3) or the second rotating shaft (10) is connected with a motor.