CN210121746U

CN210121746U - Pneumatic welding fixture for large support of guard plate

Info

Publication number: CN210121746U
Application number: CN201920948049.8U
Authority: CN
Inventors: 寇保雄; 肖华涛
Original assignee: Shiyan Fengkai Electrical And Mechanical Engineering Co Ltd
Current assignee: Shiyan Fengkai Electrical And Mechanical Engineering Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-03
Anticipated expiration: 2029-06-24

Abstract

The utility model provides a pneumatic welding fixture for a large support of a guard plate, which comprises a connecting pin shaft and a lower bottom plate; the cylinder bottom plate is provided with two positions, and the left end and the right end of the cylinder bottom plate are respectively connected to the end faces of the inner sides of the two side connecting plates; the rotary air cylinders are arranged at two positions and communicated with the universal pneumatic control valve through a high-pressure pipeline; the connecting block is arranged at the front end of the connecting plate through a rotary cylinder; the workpiece limiting connecting plates are arranged at two positions, and the two workpiece limiting connecting plates are positioned at the top of the upper bottom plate; the workpiece limiting columns are arranged at four positions and are respectively arranged on the front side end faces of the two limiting connecting plates; the rotary air cylinder is favorable for driving the compression screw at the bottom of the connecting block to move back and forth, so that the rear side of the compression screw can be pressed on the end face of the front side of the workpiece, the workpiece is clamped, and the stability of the welding operation of the workpiece is guaranteed.

Description

Pneumatic welding fixture for large support of guard plate

Technical Field

The utility model belongs to the technical field of welding jig, more specifically say, in particular to pneumatic welding jig of big support of backplate.

Background

The welding fixture is used for ensuring the size of a weldment, improving the assembly precision and efficiency and preventing welding deformation.

The prior similar pneumatic welding clamp for the large guard plate bracket is easy to have the following defects when in use: 1. the rotating part of the bearing is directly welded with the upper and lower plates, so that the bearing cannot be maintained and replaced, and the flexibility of the rotary adjustment of the clamp is easily influenced; 2. a manual clamping mechanism is adopted, so that the operation is complicated and the operation time is increased; 3. a group of workpieces are clamped at a time, and the number of the placed workpieces is small; 4. the workpiece limiting and fixing effect is poor, and the workpiece is easy to shake during welding operation, so that the welding precision of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pneumatic welding jig of big support of backplate to solve the big pneumatic welding jig of support of current similar backplate and appear following shortcoming when using easily: 1. the rotating part of the bearing is directly welded with the upper and lower plates, so that the bearing cannot be maintained and replaced, and the flexibility of the rotary adjustment of the clamp is easily influenced; 2. a manual clamping mechanism is adopted, so that the operation is complicated and the operation time is increased; 3. a group of workpieces are clamped at a time, and the number of the placed workpieces is small; 4. the workpiece limiting and fixing effect is poor, and the workpiece welding precision is affected by shaking easily during welding operation.

The utility model is achieved by the following concrete technical means:

a pneumatic welding fixture for a large guard plate bracket comprises a cylinder bottom plate, a rotary cylinder, a connecting block, a workpiece limiting connecting plate, a workpiece limiting column, a limiting connecting plate, a side connecting plate, a compression screw, a universal pneumatic control valve, an upper bottom plate, a dustproof cover plate, a round nut, a bearing, a limiting ring, a connecting pin shaft and a lower bottom plate; the cylinder bottom plate is provided with two positions, and the left end and the right end of the cylinder bottom plate are respectively connected to the end faces of the inner sides of the two side connecting plates; the rotary air cylinders are arranged at two positions and communicated with the universal pneumatic control valve through a high-pressure pipeline; the connecting block is arranged at the front end of the connecting plate through a rotary cylinder; the workpiece limiting connecting plates are arranged at two positions, and the two workpiece limiting connecting plates are positioned at the top of the upper bottom plate; the workpiece limiting columns are arranged at four positions and are respectively arranged on the front side end faces of the two limiting connecting plates; the connecting plates are arranged at two positions, the left end and the right end of each connecting plate are respectively connected with the inner walls of the connecting plates at the two positions, and the connecting plates at the two positions are respectively arranged at the left end and the right end of the top end surface of the upper bottom plate; the compression screws are arranged at two positions, and the front ends of the compression screws are respectively inserted into the two connecting blocks; the universal pneumatic control valve is arranged at the right end of the top end face of the upper bottom plate and communicated with an external high-pressure air supply pipeline; the dustproof cover plate is of an annular structure, the dustproof cover plate is mounted on the end face of the top of the upper bottom plate through a bolt, and the top of the connecting pin shaft penetrates through the dustproof cover plate; the round nut is arranged on the outer side of the top of the connecting pin shaft, the round nut is positioned on the dustproof cover plate, and the outer diameter of the round nut is larger than the diameter of the inner ring of the dustproof cover plate; the limiting ring is arranged at the bottom of the bearing, and the bearing is arranged on the end surface of the bottom of the upper bottom plate through the limiting ring; the bottom of the connecting pin shaft is fixedly inserted into the lower bottom plate, the lower bottom plate is of a rectangular plate structure, and the upper bottom plate is positioned at the top of the lower bottom plate.

Furthermore, the rear end of the rotary cylinder is horizontally arranged on the front end face of the cylinder bottom plate, the top of the connecting block is rotatably connected to the front end of the rotary cylinder, and the compression screw is arranged on the rear side of the bottom of the connecting block.

Furthermore, the limiting connecting plate is arranged on the front end face of the connecting plate, and the left end and the right end of the front end face of the limiting connecting plate are respectively provided with a workpiece limiting column; the left end and the right end of the workpiece limiting connecting plate are horizontal and are respectively connected with the connecting plates on the two sides, and the workpiece limiting connecting plate is located at the bottom of the limiting connecting plate.

Furthermore, the bottom of the upper base plate is pressed on the end face of the top of the bearing, the inner side of the end face of the bottom of the bearing is pressed on the end face of the outer side of the top of the connecting pin shaft, and the top of the connecting pin shaft penetrates through the upper end and the lower end inside the upper base plate.

Furthermore, the limiting ring is installed at the bottom of the upper base plate through a bolt, the top end face of the limiting ring is attached to the bottom end face of the bearing, and the limiting ring surrounds the outer side of the connecting pin shaft; the round nut is sleeved on the outer side of the top of the connecting pin shaft in a threaded mode and is located at the top of the upper base plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the arrangement of the rotary cylinder, the connecting block and the compression screw is beneficial to driving the compression screw at the bottom of the connecting block to move back and forth through the rotary cylinder, so that the rear side of the compression screw can be pressed on the end surface of the front side of a workpiece, the workpiece is clamped, and the stability of the welding operation of the workpiece is guaranteed; and the use of the spacing post of cooperation spacing connecting plate front end work piece and the spacing connecting plate of work piece, both ends are spacing about the work piece are carried out to the spacing post of two work pieces of accessible to carry out spacing support to the work piece bottom through the spacing connecting plate of work piece, fastness when guaranteeing work piece welding operation avoids the work piece to take place to rock when welding operation, influences work piece welding precision.

2. The arrangement of the bearing is beneficial to the rotation adjustment of the upper bottom plate positioned at the top of the bearing, so that a workpiece clamped and fixed at the top of the upper bottom plate can rotate to different angle positions, and the requirement of later welding machine welding operation is better met; and the use of cooperation spacing ring, connecting pin axle and round nut, the personnel of being convenient for rotate connecting pin axle top round nut, dismantle the upper plate from connecting pin axle top, make anchor clamps assembly and disassembly more portably change, still the personnel of being convenient for dismantle the bearing from the upper plate bottom and change the maintenance operation, ensure the flexibility that anchor clamps rotated the regulation.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic axial view of the top of the upper base plate of the present invention.

Fig. 3 is a schematic view of the axial structure of the rotary cylinder of the present invention.

Fig. 4 is a schematic bottom axial view of the present invention.

Fig. 5 is a bottom partial sectional structure schematic diagram of the present invention.

Fig. 6 is a schematic diagram of the front view structure of fig. 4 according to the present invention.

Fig. 7 is a schematic diagram of the split structure of fig. 4 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a cylinder bottom plate; 2. a rotating cylinder; 3. connecting blocks; 4. a workpiece limiting connecting plate; 5. a workpiece limiting column; 6. a limiting connecting plate; 7. a connecting plate; 8. a side connection plate; 9. a compression screw; 10. a universal pneumatic control valve; 11. an upper base plate; 12. a dust-proof cover plate; 13. a round nut; 14. a bearing; 15. a limiting ring; 16. connecting a pin shaft; 17. and a lower bottom plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides a pneumatic welding fixture for a large support of a guard plate, which comprises a cylinder bottom plate 1, a rotary cylinder 2, a connecting block 3, a workpiece limiting connecting plate 4, a workpiece limiting column 5, a limiting connecting plate 6, a connecting plate 7, a side connecting plate 8, a compression screw 9, a universal pneumatic control valve 10, an upper bottom plate 11, a dustproof cover plate 12, a round nut 13, a bearing 14, a limiting ring 15, a connecting pin shaft 16 and a lower bottom plate 17; the cylinder bottom plate 1 has two positions, and the left end and the right end of the cylinder bottom plate 1 are respectively connected to the end faces of the inner sides of the two side connecting plates 8; the rotary cylinder 2 has two positions, and the rotary cylinder 2 is communicated with the universal pneumatic control valve 10 through a high-pressure pipeline; the connecting block 3 is provided with two positions in total, and the connecting block 3 is arranged at the front end of the connecting plate 7 through the rotary cylinder 2; the workpiece limiting connecting plates 4 are arranged at two positions, and the two workpiece limiting connecting plates 4 are positioned at the top of the upper bottom plate 11; the workpiece limiting columns 5 are arranged at four positions, and the workpiece limiting columns 5 are respectively arranged on the front side end faces of the two limiting connecting plates 6; the connecting plates 7 are divided into two parts, the left end and the right end of each connecting plate 7 are respectively connected with the inner walls of the two side connecting plates 8, and the two side connecting plates 8 are respectively arranged at the left end and the right end of the top end surface of the upper bottom plate 11; the number of the compression screws 9 is two, and the front ends of the compression screws 9 are respectively inserted into the two connecting blocks 3; the universal pneumatic control valve 10 is arranged at the right end of the top end face of the upper bottom plate 11, and the universal pneumatic control valve 10 is communicated with an external high-pressure air supply pipeline; the dustproof cover plate 12 is of a circular structure, the dustproof cover plate 12 is installed on the end face of the top of the upper base plate 11 through bolts, and the top of the connecting pin shaft 16 penetrates through the dustproof cover plate 12; the round nut 13 is arranged on the outer side of the top of the connecting pin shaft 16, the round nut 13 is positioned on the dustproof cover plate 12, and the outer diameter of the round nut 13 is larger than the diameter of the inner ring of the dustproof cover plate 12; the limiting ring 15 is arranged at the bottom of the bearing 14, and the bearing 14 is arranged on the end face of the bottom of the upper bottom plate 11 through the limiting ring 15; the bottom of the connecting pin shaft 16 is fixedly inserted into the lower bottom plate 17, the lower bottom plate 17 is of a rectangular plate structure, and the upper bottom plate 11 is located at the top of the lower bottom plate 17.

The rear end of the rotary cylinder 2 is horizontally arranged on the front end surface of the cylinder bottom plate 1, the top of the connecting block 3 is rotatably connected to the front end of the rotary cylinder 2, and the compression screw 9 is arranged on the rear side of the bottom of the connecting block 3; the special clamping device has the advantages that the rotary cylinder 2 can drive the compression screw 9 at the bottom of the connecting block 3 to move back and forth, so that the rear side of the compression screw 9 can be pressed on the front end face of a workpiece, the workpiece is clamped, and the stability of the welding operation of the workpiece is guaranteed.

The limiting connecting plate 6 is arranged on the front end face of the connecting plate 7, and the left end and the right end of the front end face of the limiting connecting plate 6 are respectively provided with a workpiece limiting column 5; the left end and the right end of the workpiece limiting connecting plate 4 are horizontally connected with the connecting plates 8 on the two sides respectively, and the workpiece limiting connecting plate 4 is positioned at the bottom of the limiting connecting plate 6; the concrete effect, the two spacing posts of two work pieces of accessible 5 carry on spacingly to both ends about the work piece to carry out spacing support to the work piece bottom through the spacing connecting plate of work piece 4, fastness when the guarantee work piece welding operation avoids the work piece to take place to rock when welding operation, influences work piece welding precision.

The bottom of the upper base plate 11 is pressed on the end surface of the top of the bearing 14, the inner side of the end surface of the bottom of the bearing 14 is pressed on the end surface of the outer side of the top of the connecting pin shaft 16, and the top of the connecting pin shaft 16 penetrates through the upper end and the lower end of the inside of the upper base plate 11; the concrete effect, the personnel of being convenient for rotate upper plate 11 and adjust, make the fixed work piece of upper plate 11 top centre gripping can rotate to different angle positions, better satisfying in later stage welding machine welding operation demand.

The limiting ring 15 is mounted at the bottom of the upper base plate 11 through a bolt, the top end face of the limiting ring 15 is attached to the bottom end face of the bearing 14, and the limiting ring 15 surrounds the outer side of the connecting pin shaft 16; the round nut 13 is sleeved on the outer side of the top of the connecting pin shaft 16 in a threaded mode, and the round nut 13 is located on the top of the upper base plate 11; the concrete effect, the personnel of being convenient for rotate 16 top round nuts 13 of connecting pin axle, dismantle upper plate 11 from 16 tops of connecting pin axle, make anchor clamps assembly and disassembly more portably change, still the personnel of being convenient for dismantle bearing 14 from 11 bottoms of upper plate and get off and change the maintenance operation, the flexibility that the guarantee anchor clamps rotated and adjusted.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, two workpieces are respectively placed on the top end faces of the upper and lower workpiece limiting connecting plates 4 by workers, so that the left and right ends of the work are respectively attached to the two workpiece limiting columns 5, and the left and right ends and the bottom of the workpiece are limited and fixed; next, the worker twists the universal pneumatic control valve 10, the rotary cylinder 2 drives the compression screw 9 connected to the bottom of the connecting block 3 to move backwards, so that the rear end face of the compression screw 9 is attached to the front end face of the workpiece, and the workpiece is clamped and fixed; when the angle of the welding fixture needs to be adjusted by a worker, the upper bottom plate 11 at the top of the lower bottom plate 17 can be rotated, the angle of a workpiece clamped and fixed at the top of the upper bottom plate 11 can be adjusted, and the requirements of welding operation of welding machines with different angles in the later period can be better met; when the worker needs to disassemble the welding fixture, the round nut 13 at the top of the connecting pin shaft 16 can be rotated to separate the round nut 13 from the connecting pin shaft 16, so that the upper base plate 11 can be disassembled from the top of the connecting pin shaft 16, and the disassembling operation of the welding fixture is realized; when the maintenance is changed to 11 bottom bearings 14 of upper plate to needs, the 15 bottom bolts of rotatable spacing ring dismantle spacing ring 15 from 11 bottoms of upper plate, can dismantle bearing 14 from 11 bottoms of upper plate, change the maintenance operation to 11 bottom bearings 14 of upper plate, ensure the flexibility that anchor clamps rotated and adjusted.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a big support pneumatic welding anchor clamps of backplate which characterized in that: the pneumatic welding fixture for the large guard plate support comprises a cylinder bottom plate (1), a rotary cylinder (2), a connecting block (3), a workpiece limiting connecting plate (4), a workpiece limiting column (5), a limiting connecting plate (6), a connecting plate (7), a side connecting plate (8), a compression screw (9), a universal pneumatic control valve (10), an upper bottom plate (11), a dustproof cover plate (12), a round nut (13), a bearing (14), a limiting ring (15), a connecting pin shaft (16) and a lower bottom plate (17); the cylinder bottom plate (1) has two positions, and the left end and the right end of the cylinder bottom plate (1) are respectively connected to the end faces of the inner sides of the two side connecting plates (8); the rotary air cylinder (2) has two positions, and the rotary air cylinder (2) is communicated with the universal pneumatic control valve (10) through a high-pressure pipeline; the connecting block (3) has two parts in total, and the connecting block (3) is arranged at the front end of the connecting plate (7) through the rotating cylinder (2); the workpiece limiting connecting plates (4) are arranged at two positions, and the two workpiece limiting connecting plates (4) are positioned at the top of the upper bottom plate (11); the workpiece limiting columns (5) are arranged at four positions, and the workpiece limiting columns (5) are respectively arranged on the front side end faces of the two limiting connecting plates (6); the connecting plates (7) are divided into two parts, the left end and the right end of each connecting plate (7) are respectively connected with the inner walls of the two side connecting plates (8), and the two side connecting plates (8) are respectively arranged at the left end and the right end of the top end surface of the upper bottom plate (11); the compression screws (9) are arranged at two positions, and the front ends of the compression screws (9) are respectively inserted into the two connecting blocks (3); the universal pneumatic control valve (10) is arranged at the right end of the top end face of the upper bottom plate (11), and the universal pneumatic control valve (10) is communicated with an external high-pressure air supply pipeline; the dustproof cover plate (12) is of a circular structure, the dustproof cover plate (12) is installed on the end face of the top of the upper base plate (11) through bolts, and the top of the connecting pin shaft (16) penetrates through the interior of the dustproof cover plate (12); the round nut (13) is arranged on the outer side of the top of the connecting pin shaft (16), the round nut (13) is positioned on the dustproof cover plate (12), and the outer diameter of the round nut (13) is larger than the diameter of the inner ring of the dustproof cover plate (12); the limiting circular ring (15) is arranged at the bottom of the bearing (14), and the bearing (14) is arranged on the end face of the bottom of the upper bottom plate (11) through the limiting circular ring (15); the bottom of the connecting pin shaft (16) is fixedly inserted into the lower bottom plate (17), the lower bottom plate (17) is of a rectangular plate-shaped structure, and the upper bottom plate (11) is positioned at the top of the lower bottom plate (17).

2. The pneumatic welding jig for the large guard plate bracket according to claim 1, characterized in that: the rear end of the rotary cylinder (2) is horizontally arranged on the front end face of the cylinder bottom plate (1), the top of the connecting block (3) is rotatably connected to the front end of the rotary cylinder (2), and the compression screw (9) is arranged on the rear side of the bottom of the connecting block (3).

3. The pneumatic welding jig for the large guard plate bracket according to claim 1, characterized in that: the limiting connecting plate (6) is arranged on the front end face of the connecting plate (7), and the left end and the right end of the front end face of the limiting connecting plate (6) are respectively provided with a workpiece limiting column (5); the left end and the right end of the workpiece limiting connecting plate (4) are horizontal and are respectively connected with the connecting plates (8) on the two sides, and the workpiece limiting connecting plate (4) is located at the bottom of the limiting connecting plate (6).

4. The pneumatic welding jig for the large guard plate bracket according to claim 1, characterized in that: the bottom of the upper base plate (11) is pressed on the end face of the top of the bearing (14), the inner side of the end face of the bottom of the bearing (14) is pressed on the end face of the outer side of the top of the connecting pin shaft (16), and the top of the connecting pin shaft (16) penetrates through the upper end and the lower end inside the upper base plate (11).

5. The pneumatic welding jig for the large guard plate bracket according to claim 1, characterized in that: the limiting ring (15) is mounted at the bottom of the upper base plate (11) through a bolt, the top end face of the limiting ring (15) is attached to the bottom end face of the bearing (14), and the limiting ring (15) surrounds the outer side of the connecting pin shaft (16); the round nut (13) is sleeved on the outer side of the top of the connecting pin shaft (16) in a threaded mode, and the round nut (13) is located on the top of the upper base plate (11).