阅读说明：本技术 一种汽车弯管焊接固定夹具 (Car return bend welding fixation clamp ) 是由 木原源治 于 2019-10-25 设计创作，主要内容包括：本发明涉及汽车配件生产技术领域,具体是一种汽车弯管焊接固定夹具。一种汽车弯管焊接固定夹具,包括安装板,所述安装板上依次设置定位结构、夹紧结构和压紧移动结构,定位结构包括定位销子,定位销子与其下方的定位销子气缸连接,定位销子上方设有定位压板,定位压板与定位压板气缸连接,夹紧结构包括压头,压头与其下方的夹紧气缸连接,压头下方设有夹紧座,压紧移动结构包括定位座,定位座与其下方的滑轨活动连接,定位座与移动气缸连接,定位座内设有定位块,定位块与其上方和下方的定位块气缸连接。本发明的有益之处：定位结构、夹紧结构和压紧移动结构固定牢靠,固定精度高,将滑轨和滑块配合使用,位移顺滑精度高。(The invention relates to the technical field of automobile accessory production, in particular to an automobile elbow welding and fixing clamp. The utility model provides an automobile elbow welding fixing fixture, including the mounting panel, set gradually location structure on the mounting panel, press from both sides tight structure and compress tightly the removal structure, location structure includes the locating pin, the locating pin is connected with the locating pin cylinder of its below, the locating pin top is equipped with positioning pressure plate, positioning pressure plate is connected with the positioning pressure plate cylinder, press from both sides tight structure and include the pressure head, the pressure head is connected with the die clamping cylinder of its below, the pressure head below is equipped with presss from both sides tight seat, it includes the positioning seat to compress tightly the removal structure, the positioning seat is rather than the slide rail swing joint of below, the positioning seat is connected with the removal cylinder, be equipped. The invention has the advantages that: the positioning structure, the clamping structure and the pressing moving structure are fixed firmly, the fixing precision is high, the sliding rail and the sliding block are matched for use, and the displacement smoothness precision is high.)

1. The utility model provides an automobile return bend welding fixation anchor clamps, includes mounting panel (1), its characterized in that: set gradually location structure on mounting panel (1), press from both sides tight structure and compress tightly the removal structure, location structure includes location pin (2), location pin (2) are connected rather than location pin cylinder (3) of below, location pin (2) top is equipped with positioning pressure plate (4), positioning pressure plate (4) are connected with positioning pressure plate cylinder (5), it includes pressure head (6) to press from both sides tight structure, pressure head (6) are connected rather than clamp cylinder (7) of below, pressure head (6) below is equipped with and presss from both sides tight seat (8), it includes positioning seat (9) to compress tightly the removal structure, sliding rail (11) swing joint of positioning seat (9) rather than below, positioning seat (9) are connected with removal cylinder (12), be equipped with locating piece (10) in positioning seat (9), locating piece (10) are connected rather than top and locating piece cylinder (13) of below, location pin cylinder (3), The positioning pressing plate cylinder (5), the clamping cylinder (7), the moving cylinder (12) and the positioning block cylinder (13) are connected with a control system.

2. The automobile elbow welding fixing clamp according to claim 1, characterized in that: the clamping device is characterized in that a jacking structure is arranged between the clamping bases (8), the jacking structure comprises a jacking plate (14), a jacking cylinder (15) connected with the jacking plate (14) is arranged below the jacking plate (14), and the jacking cylinder (15) is connected with the mounting plate (1).

3. The automobile elbow welding fixing clamp according to claim 2, characterized in that: jacking board (14) are the cross, and wherein control both ends and the car return bend contact of top, inside and outside both ends are connected with jacking cylinder (15) and telescopic link (16) of below respectively, and install on jacking support (17) jacking cylinder (15) and telescopic link (16), and install on mounting panel (1) jacking support (17).

4. The automobile elbow welding fixing clamp according to claim 1, characterized in that: the positioning device is characterized in that the lower portion of the positioning pin (2) is connected with a moving rod in the positioning pin cylinder (3), a guide sleeve (18) is sleeved outside the positioning pin (2), the guide sleeve (18) is installed on a lower positioning support (19), the positioning pressing plate (4) is connected with a pulling plate (20) above the positioning pressing plate, the lower portion of the pulling plate (20) is connected with the moving rod and a telescopic rod (16) in the positioning pressing plate cylinder (5), the positioning pressing plate cylinder (5) and the telescopic rod (16) are installed on an upper positioning support (21), and the upper positioning support (21), the lower positioning support (19) and the positioning pin cylinder (3) are installed on the installation plate (1).

5. The automobile elbow welding fixing clamp according to claim 1 or 4, characterized in that: the positioning pin (2) is inserted into a positioning hole of a part to be welded of the automobile elbow, and the positioning pressing plate (4) is pressed on the upper part of the positioning hole of the part to be welded of the automobile elbow.

6. The automobile elbow welding fixing clamp according to claim 1, characterized in that: the rear portion of the pressure head (6) is connected with a connecting block (22), the front portion of the connecting block (22) is movably connected with a moving block (23), the other end of the moving block (23) is movably connected with one end of a clamping cylinder (7), the rear portion of the connecting block (22) is movably connected with a supporting block (24), the supporting block (24) is connected with a moving rod in the clamping cylinder (7), and the clamping cylinder (7) is connected with a mounting plate (1).

7. The automobile elbow welding fixing clamp according to claim 1 or 6, characterized in that: the quantity of the clamping structures is 3, and the 3 sets of clamping structures are distributed in the middle of the automobile elbow.

8. The automobile elbow welding fixing clamp according to claim 1, characterized in that: the upper part of the clamping seat (8) is provided with an opening, and cushion blocks (25) are arranged at the inner lower part and the left side and the right side of the opening.

9. The automobile elbow welding fixing clamp according to claim 1, characterized in that: positioning seat (9) are the C font, install in positioning seat (9) upper end and lower extreme 2 locating piece cylinder (13), locating piece (10) are located C font opening, move pole and locating piece (10) upper end and lower extreme swing joint in locating piece cylinder (13), locating piece (10) middle part opening, positioning seat (9) below is equipped with slide (26) of being connected with it, slide (26) lower extreme is equipped with slider (29), slider (29) and slide rail (11) swing joint, slide (26) are connected with moving the pole in moving cylinder (12), slide rail (11) and moving cylinder (12) are installed on mounting panel (1).

10. The automobile elbow welding fixing clamp according to claim 9, characterized in that: and a limiting block (27) is arranged on one side of the sliding rail (11).

Technical Field

The invention relates to the technical field of automobile accessory production, in particular to an automobile elbow welding and fixing clamp.

Background

The bent pipe of the automobile needs to be directly welded by manpower due to irregular shape, but the direct welding causes low precision and high defective rate.

Disclosure of Invention

In order to solve the technical problems of low precision and high defective rate caused by manual direct welding of the conventional automobile bent pipe, the invention provides a welding and fixing clamp for the automobile bent pipe.

The technical scheme of the invention is as follows:

the utility model provides an automobile elbow welding fixing fixture, including the mounting panel, set gradually location structure, press from both sides tight structure and compress tightly the removal structure on the mounting panel, location structure includes the locating pin, the locating pin is connected with the locating pin cylinder of its below, the locating pin top is equipped with positioning pressure plate, positioning pressure plate is connected with the positioning pressure plate cylinder, press from both sides tight structure and include the pressure head, the pressure head is connected with the die clamping cylinder of its below, the pressure head below is equipped with presss from both sides tight seat, it includes the positioning seat to compress tightly the removal structure, the positioning seat is rather than the slide rail swing joint of below, the positioning seat is connected with the removal cylinder, be equipped with the locating piece in the positioning seat, the locating piece is connected with the locating piece cylinder of its top.

And a jacking structure is arranged between the clamping seats and comprises a jacking plate, a jacking cylinder connected with the jacking plate is arranged below the jacking plate, and the jacking cylinder is connected with the mounting plate.

The jacking plate is cross-shaped, the left end and the right end of the jacking plate are in contact with the automobile elbow above the jacking plate, the inner end and the outer end of the jacking plate are respectively connected with the jacking cylinder and the telescopic rod below the jacking plate, the jacking cylinder and the telescopic rod are installed on the jacking support, and the jacking support is installed on the installation plate.

The lower part of the positioning pin is connected with a moving rod in the positioning pin cylinder, a guide sleeve is sleeved outside the positioning pin and is installed on the lower positioning support, the positioning pressing plate is connected with a pulling plate above the positioning pressing plate, the lower part of the pulling plate is connected with the moving rod and a telescopic rod in the positioning pressing plate cylinder, the positioning pressing plate cylinder and the telescopic rod are installed on the upper positioning support, and the upper positioning support, the lower positioning support and the positioning pin cylinder are installed on the installation plate.

The positioning pin is inserted into a positioning hole of a part to be welded of the automobile elbow, and the positioning pressing plate is pressed on the upper part of the positioning hole of the part to be welded of the automobile elbow.

The rear portion of the pressure head is connected with a connecting block, the front portion of the connecting block is movably connected with a moving block, the other end of the moving block is movably connected with one end of a clamping cylinder, the rear portion of the connecting block is movably connected with a supporting block, the supporting block is connected with a moving rod in the clamping cylinder, and the clamping cylinder is connected with a mounting plate.

The quantity of the clamping structures is 3, and the 3 sets of clamping structures are distributed in the middle of the automobile elbow.

The upper part of the clamping seat is provided with an opening, and cushion blocks are arranged at the inner lower part and the left side and the right side of the opening.

The positioning seat is C font, and 2 locating piece cylinders are installed at positioning seat upper end and lower extreme, and the locating piece is located C font opening, and the movable rod in the locating piece cylinder moves pole and locating piece upper end and lower extreme swing joint, locating piece middle part opening, and the positioning seat below is equipped with the slide of being connected with it, and the slide lower extreme is equipped with the slider, slider and slide rail swing joint, and the slide moves the pole with in the moving cylinder and is connected, and slide rail and moving cylinder install on the mounting panel.

And a limiting block is arranged on one side of the sliding rail.

By using the technical scheme of the invention, the structure is novel, the design is ingenious, the positioning structure, the clamping structure and the compressing and moving structure are firmly fixed, the fixing precision is high, and the slide rail and the slide block are matched for use, so that the displacement smoothness precision is high, the part welding precision of the automobile elbow can be improved, the product quality is improved, the defective rate is reduced, and the production benefit is improved; the cushion blocks in the clamping seats can be quickly replaced so as to be quickly adapted to automobile bent pipes with different sizes for production; 3 set of clamping structure arranges according to the shape of car return bend, makes things convenient for the workman to place the car return bend fast, is difficult to put the wrong direction, swift production, improves production efficiency.

Drawings

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

FIG. 2 is a schematic view of a portion of the positioning structure of the present invention;

FIG. 3 is a schematic view of a portion of the positioning structure of the present invention;

FIG. 4 is a side view of the clamping structure of the present invention;

FIG. 5 is a schematic view of the pressing movement structure of the present invention;

fig. 6 is a schematic structural view of a jacking structure of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings.

As shown in fig. 1 ~ 6, an automobile elbow welding fixing fixture comprises a mounting plate 1, a positioning structure, a clamping structure, a jacking structure and a pressing and moving structure are sequentially arranged on the mounting plate 1, the positioning structure is arranged at one end of the mounting plate 1 and comprises a positioning pin 2, a positioning pin cylinder 3 is arranged below the positioning pin 2, the positioning pin 2 is connected with a moving rod in the positioning pin cylinder 3, a guide sleeve 18 is sleeved outside the positioning pin 2, the guide sleeve 18 can limit the moving range of the positioning pin 2, limit the displacement in the transverse direction and only limit the displacement in the longitudinal direction, increase the stability of the positioning pin 2 during movement, the guide sleeve 18 is arranged at the upper end of a lower positioning support 19, a positioning pressure plate 4 is arranged above the positioning pin 2, a positioning pressure plate cylinder 5 is arranged below the positioning pressure plate 4, the positioning pressure plate 4 is connected with a pull plate 20 above the positioning pressure plate 4, the lower portion of the pull plate 20 is connected with the moving rod and a telescopic rod 16 in the positioning pressure plate 5, the telescopic rods 16 are 2 in number, the telescopic rods are arranged at two sides of the positioning pressure plate cylinder 5, a telescopic rod sleeve 28 is sleeved outside the telescopic rod 16, the telescopic rod is arranged outside the telescopic rod 16, the telescopic rod is firmly, the telescopic rod is arranged on the positioning pressure plate cylinder 5, the telescopic rod cylinder, the telescopic rod is required for improving the positioning pressure plate, the positioning cylinder for improving the positioning pressure plate, the positioning cylinder for the positioning of the positioning cylinder for the positioning cylinder, the positioning cylinder for the positioning pressure plate, the positioning cylinder for the automobile elbow welding fixing cylinder, the automobile elbow fixing component, the automobile elbow fixing cylinder, the automobile elbow, the automobile.

The number of the clamping structures is 3, the 3 sets of clamping structures are distributed in the middle of an automobile elbow, each clamping structure comprises a pressure head 6, a clamping cylinder 7 is arranged below the pressure head 6, the rear part of the pressure head 6 is connected with a connecting block 22, the front part of the connecting block 22 is movably connected with a moving block 23 through a rotating shaft, the other end of the moving block 23 is movably connected with the front end of an installing frame of the clamping cylinder 7 through a rotating shaft, the rear part of the connecting block 22 is movably connected with a supporting block 24 through a rotating shaft, the lower end of the supporting block 24 is connected with a moving rod in the clamping cylinder 7, the clamping cylinder 7 is installed on a clamping seat 8 through, used for accommodating the middle part of the automobile elbow, the lower part and the left and right sides in the opening are provided with cushion blocks 25 for buffering, and can carry out quick replacement to quick adaptation not unidimensional car return bend produces. The clamping cylinder 7 acts to drive the supporting block 24 to move upwards, the pressure head 6 is pushed to rotate downwards by taking the rotating shaft of the connecting block 22 connected with the moving block 23 and the rotating shaft of the moving block 23 connected with the mounting frame as the circle center, the automobile elbow placed in the clamping seat 8 is clamped tightly, and welding operation is convenient to carry out. The clamping structure is firm in fixation and high in fixation precision, the welding precision of parts of the automobile elbow can be improved, the product quality is improved, the defective rate is reduced, and the production benefit is improved; 3 set of clamping structure arranges according to the shape of car return bend, makes things convenient for the workman to place the car return bend fast, is difficult to put the wrong direction, swift production, improves production efficiency.

It includes jacking plate 14 to press from both sides between the tight seat 8 to press from both sides, jacking structure includes jacking cylinder 15 of being connected with it, jacking plate 14 is the cross, wherein control both ends and the contact of the car return bend of top, inside and outside both ends are connected with the pole and the telescopic link 16 of moving in the jacking cylinder 15 of below respectively, telescopic link 16 overcoat is established telescopic link cover 28, telescopic link 16 is in telescopic link cover 28 in the smooth movement, make the up-and-down displacement of telescopic link 16 more smooth, jacking cylinder 15 and telescopic link cover 28 are installed in jacking support 17 upper end, jacking support 17 is installed on mounting panel 1, jacking cylinder 15 moves, drive jacking plate 14 upward displacement, it is upwards ejecting to accomplish the car return bend of welding process on it, make things convenient for the workman to take.

The pressing and moving structure comprises a positioning seat 9, the positioning seat 9 is C-shaped, a positioning block 10 is arranged in the positioning seat 9, the positioning block 10 is positioned in a C-shaped opening, the positioning block 10 is movably connected with positioning block cylinders 13 above and below the positioning block 10, 2 positioning block cylinders 13 are arranged at the upper end and the lower end of the positioning seat 9, a moving rod in the positioning block cylinder 13 is movably connected with the upper end and the lower end of the positioning block 10 and used for limiting the displacement of the positioning block 10 in the positioning seat 9, the middle part of the positioning block 10 is opened and used for accommodating parts needing to be welded of the automobile bent pipe, a sliding seat 26 connected with the positioning seat 9 is arranged below the positioning seat 9, 2 sliding blocks 29 arranged in parallel are arranged at the lower end of the sliding seat 26, 2 sliding rails 11 arranged in parallel are arranged below the positioning seat 9, the, a moving cylinder 12 is arranged at one side of a sliding seat 26, the sliding seat 26 is connected with a moving rod in the moving cylinder 12 through a connecting rod, a sliding rail 11 and the moving cylinder 12 are arranged on the mounting plate 1, a limit block 27 is arranged at one side of the sliding rail 11, when the moving cylinder 12 drives the sliding seat 26 to move, the sliding seat is used as a limiting position, the bolt on the adjustable limiting block 27 is used for adjusting the limiting position, a worker inserts a part to be welded of an automobile elbow into an opening in the middle of the positioning block 10, 2 positioning block cylinders 13 act to fix the parts of the automobile elbow needing to be welded with the positioning blocks 10, the moving cylinder 12 acts to drive the sliding seat 26 and the positioning blocks 10 on the sliding seat and the parts of the automobile elbow needing to be welded to move towards the other parts of the automobile elbow fixed in the clamping structure, the sliding seat 26 stops moving after contacting with the limiting block 27, and all parts of the automobile elbow reach preset positions before welding to wait for welding. The pressing and moving structure is firm in fixation and high in fixation precision, the slide rail 11 and the slide block 29 are used in a matched mode, the displacement smoothness precision is high, the part welding precision of the automobile elbow can be improved, the product quality is improved, the defective rate is reduced, and the production benefit is improved.

The positioning pin cylinder 3, the positioning pressing plate cylinder 5, the clamping cylinder 7, the jacking cylinder 15, the moving cylinder 12 and the positioning block cylinder 13 are connected with the control system, the control system comprises a PLC (programmable logic controller), the PLC comprises an input end and an output end, the input end is connected with a switch and a sensor, the output end is connected with the positioning pin cylinder 3, the positioning pressing plate cylinder 5, the clamping cylinder 7, the jacking cylinder 15, the moving cylinder 12 and the positioning block cylinder 13, and each sensor monitors the operation state of each cylinder to complete the production process in a cooperation mode.

When the automobile elbow welding fixture is used, an automobile elbow to be welded is manually placed on a 3-set clamping structure, the automobile elbow is contacted with a cushion block 25 in a clamping seat 8, a clamping cylinder 7 acts to drive a supporting block 24 to move upwards, a pressure head 6 is pushed to rotate downwards by taking a rotating shaft connected with a connecting block 22 and a moving block 23 as well as a rotating shaft connected with a mounting frame and the moving block 23 as the circle center, the automobile elbow placed in the clamping seat 8 is clamped, the other two parts to be welded are placed on a positioning pin 2 and in a positioning block 10, the positioning pin cylinder 3 acts to drive the positioning pin 2 to move upwards, the positioning pin 2 is inserted into a positioning hole of the part to be welded of the automobile elbow to fix the part, a positioning pressure plate cylinder 5 acts to drive the positioning pressure plate 4 to move downwards, the positioning pressure plate 4 is pressed on the upper part of the positioning hole of the part to be welded of the, 2 positioning block cylinders 13 act to fix parts needing to be welded of the automobile elbow and the positioning blocks 10, a moving cylinder 12 acts to drive a sliding seat 26 and the positioning blocks 10 on the sliding seat and the parts needing to be welded of the automobile elbow to move towards other parts of the automobile elbow fixed in a clamping structure, the sliding seat 26 stops moving after contacting a limiting block 27, all parts of the automobile elbow reach preset positions before welding to start welding, after welding is completed, a clamping cylinder 7 resets to drive a supporting block 24 to move downwards, a pressure head 6 is pulled to rotate upwards by taking a rotating shaft connected with a connecting block 22 and a moving block 23 as circle centers and a rotating shaft connected with a mounting frame and the moving block 23 as circle centers, the automobile elbow is loosened, a positioning pin cylinder 3 resets to drive a positioning pin 2 to move downwards, the positioning pin 2 is pulled out from a positioning hole of the parts needing to be welded, the positioning pressing plate 4 is driven to move upwards, the positioning pressing plate 4 loosens the automobile elbow, the 2 positioning block cylinders 13 reset, parts needing to be welded of the automobile elbow in the positioning block 10 are loosened, the moving cylinder 12 moves to drive the sliding seat 26 and the positioning block 10 on the sliding seat to move outwards, the jacking cylinder 15 moves to drive the jacking plate 14 to move upwards, the automobile elbow on which the welding process is completed is ejected upwards, and the automobile elbow is convenient for workers to take.

It should be understood that the above-mentioned embodiments are merely preferred examples of the present invention, and not restrictive, but rather, all the changes, substitutions, alterations and modifications that come within the spirit and scope of the invention as described above may be made by those skilled in the art, and all the changes, substitutions, alterations and modifications that fall within the scope of the appended claims should be construed as being included in the present invention.