CN219426083U

CN219426083U - Automobile exhaust pipe welding fixing device

Info

Publication number: CN219426083U
Application number: CN202222550646.XU
Authority: CN
Inventors: 张入兰
Original assignee: Ningxia Fengjie Transportation Co ltd
Current assignee: Ningxia Fengjie Transportation Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-07-28
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the technical field of automobile accessory processing and discloses an automobile exhaust pipe welding and fixing device which comprises a processing table, a frame and a clamping and positioning mechanism, wherein a first vertical plate and a second vertical plate are respectively bolted to two sides of the top of the processing table, a first rotating column and a second rotating column are respectively bolted to two sides of the frame, a driving mechanism is fixed to one side of the first vertical plate, a supporting table is bolted to one side of the second vertical plate, a turntable is fixed to the surface of the second rotating column, and air cylinders are bolted to two sides of the top of the supporting table; according to the utility model, the first sliding block is driven to move by moving the second sliding block, so that the clamping and positioning mechanism is driven to move, and the position of the clamping and positioning mechanism is adjusted, so that the exhaust pipe fitting with different lengths is adapted, the adjustment of workers according to the needs is facilitated, and the first sliding block and the second sliding block are positioned by rotating the knob bolt, so that the movement in the welding process is prevented.

Description

Automobile exhaust pipe welding fixing device

Technical Field

The utility model relates to the technical field of automobile accessory processing, in particular to an automobile exhaust pipe welding and fixing device.

Background

The automobile exhaust pipe is a part of an automobile engine exhaust system and mainly comprises an exhaust manifold, an exhaust pipe and a silencer, a three-way catalyst for controlling the emission of engine pollutants is also arranged in the automobile exhaust pipe, the automobile exhaust pipe generally comprises a front exhaust pipe and a rear exhaust pipe, the main material of the automobile exhaust pipe is stainless steel, and the automobile exhaust pipe is formed by welding a plurality of pipelines.

Through searching, for example, chinese patent literature discloses an automobile exhaust pipe welding fixture [ application number: CN201820869561.9; publication No.: CN208556504U ]. This kind of vehicle vent-pipe welded fastening device, with vehicle vent-pipe place in big fastener, the downward pressure the handle makes the connecting rod with hinge point between the back link, back link with hinge point between the preceding link, three hinge point between preceding link with the base is on same straight line, satisfies the dead point clamping principle in the mechanical mechanics, and then makes little fastener be close to big fastener encloses into a hollow cylinder and compresses tightly vehicle vent-pipe parcel in, rotate the hand wheel drives whole rotating assembly with locking assembly rotates, and then fixes vehicle vent-pipe on the locking assembly rotates, need not overturn vehicle vent-pipe and can accomplish welding operation, and is big with vehicle vent-pipe area of contact, little fastener with big fastener surface glue has the rubber pad moreover, not only fixed effectual but also can not leave the indentation on vehicle vent-pipe.

The device is used for clamping and fixing the exhaust pipe fitting through the locking component formed by the large clamping piece and the small clamping piece, but the length of the exhaust pipe fitting is different, for example, the exhaust pipe fitting is longer, the exhaust pipe fitting occupies two locking components, even the joint between the exhaust pipe fitting and the exhaust pipe fitting is easy to be located at the inner side of the locking component, the locking component is used for fixing the joint in the fixing process, welding cannot be carried out, therefore, the locking component cannot be moved and adjusted, welding is possibly affected, meanwhile, in the overturning process, a worker drives the whole rotating component and the locking component to rotate through the hand wheel to overturn the fixed exhaust pipe fitting, but the whole rotating component is lack of positioning after the exhaust pipe fitting is overturned to the welding position, the worker is required to hold the hand wheel all the time, otherwise, in the welding process of the part is carried out, once the worker loosens hands, the rotating component can rotate under the action of gravity, the welding position is deviated, the welding is affected, the hand wheel is required to wait for the welding of the part to be completed, and then the worker is used for carrying out overturning, the welding precision is not only greatly, but also the welding precision is slightly affected, and the welding precision is slightly affected in the welding process of the hand is caused.

Disclosure of Invention

The utility model aims to provide a welding and fixing device for an automobile exhaust pipe, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automobile exhaust pipe welded fastening device, includes processing platform, frame and centre gripping positioning mechanism, the both sides at processing platform top have first riser and second riser respectively, the both sides of frame have first rotation post and second rotation post respectively bolted, one side of first riser is fixed with actuating mechanism, one side bolted connection of second riser has the brace table, the fixed surface of second rotation post has the carousel, the both sides at brace table top all bolted connection have the cylinder, the output shaft bolt of cylinder has the grip block, the both sides at frame surface have first slider and second slider respectively sliding connection, threaded hole has been seted up throughout at the top of second slider, the inner wall threaded connection of threaded hole has the knob bolt, the bottom bolted connection of second slider has the connecting rod, the other end and the second slider bolt of connecting rod.

Preferably, the driving mechanism comprises a fixed table, a driving motor, a first gear and a second gear, wherein the fixed table is bolted to one side of the first vertical plate, the driving motor is bolted to the top of the fixed table, the first gear is fixed with an output shaft of the driving motor, and the second gear is fixed on the surface of the first rotating column.

Preferably, the clamping and positioning mechanism comprises a screw, a thread groove, a fixing rod, a first clamping plate and a second clamping plate, wherein the thread groove penetrates through the surface of the second sliding block, the screw is in threaded connection with the inner wall of the thread groove, the second clamping plate is fixed at one end of the screw and is in rotary connection with the screw through a bearing, one end of the fixing rod is fixed with the first sliding block, the first clamping plate is fixed at the other end of the fixing rod, and a hand wheel is fixed at the other end of the screw.

Preferably, the bottom of second splint is fixed with the montant, the bottom mounting of montant has the sliding sleeve, and sliding sleeve and connecting rod's surface sliding connection.

Preferably, a collecting box is arranged between the first vertical plate and the second vertical plate, and the length and the width of the collecting box are larger than those of the frame.

Preferably, rubber rings are fixed on the surfaces of the two sides of the turntable, and the rubber rings are made of wear-resistant rubber.

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

1. according to the utility model, the first sliding block is driven to move by moving the second sliding block, so that the clamping and positioning mechanism is driven to move, and the position of the clamping and positioning mechanism is adjusted, so that the exhaust pipe fitting with different lengths is adapted, the adjustment of workers according to the needs is facilitated, and the first sliding block and the second sliding block are positioned by rotating the knob bolt, so that the movement in the welding process is prevented.

2. According to the utility model, the first rotating column and the frame are driven to rotate by the driving mechanism to overturn the exhaust pipe fitting clamped and positioned, and then the clamping plate clamps the turntable and the rubber ring by opening the air cylinder to position the second rotating column and the frame, so that the position of the overturned exhaust pipe fitting is positioned, the frame is prevented from overturning automatically under the action of gravity, the clamping is not needed to be carried out by a worker, and the error caused by the handheld positioning is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

FIG. 4 is a schematic view of a partial structure of the present utility model;

fig. 5 is a schematic cross-sectional view of a second slider according to the present utility model.

In the figure: 1. a processing table; 2. a first riser; 3. a second riser; 4. a frame; 5. a first rotating column; 6. a second rotating column; 7. a driving mechanism; 71. a fixed table; 72. a driving motor; 73. a first gear; 74. a second gear; 8. a turntable; 9. a rubber ring; 10. a support table; 11. a cylinder; 12. a clamping plate; 13. a first slider; 14. a second slider; 15. a threaded hole; 16. a knob bolt; 17. a connecting rod; 18. a clamping and positioning mechanism; 181. a screw; 182. a thread groove; 183. a fixed rod; 184. a first clamping plate; 185. a second clamping plate; 186. a hand wheel; 187. a vertical rod; 188. a sliding sleeve; 19. and a collection box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an automobile exhaust pipe welding and fixing device comprises a processing table 1, a frame 4 and a clamping and positioning mechanism 18, wherein a first vertical plate 2 and a second vertical plate 3 are respectively bolted to two sides of the top of the processing table 1, a first rotating column 5 and a second rotating column 6 are respectively bolted to two sides of the frame 4, the first rotating column 5 penetrates through the first vertical plate 2 and is in rotary connection with the penetrating position of the first rotating column through a bearing, the second rotating column 6 penetrates through the second vertical plate 3 and is in rotary connection with the penetrating position of the second rotating column through the bearing, a driving mechanism 7 is fixed to one side of the first vertical plate 2, a supporting table 10 is bolted to one side of the second vertical plate 3, a turntable 8 is fixed to the surface of the second rotating column 6, rubber rings 9 are respectively fixed to the surfaces of two sides of the turntable 8, a cylinder 11 is bolted to two sides of the top of the supporting table 10, a clamping plate 12 is connected to an output shaft of the cylinder 11, two sides of the surface of the frame 4 are respectively in sliding connection with a first sliding block 13 and a second sliding block 14, a threaded hole 15 is formed in the penetrating the top of the second sliding block 14, a threaded hole 15 is formed in the penetrating through the top of the second sliding block 15, a threaded hole 15 is connected to the inner wall of the second sliding block 14 is in the threaded hole is in the threaded connection with a connecting rod 17, and the bottom of the second sliding block is in the threaded hole is in the threaded connection with a threaded rod 17 is in the threaded connection with a bolt 17.

The driving mechanism 7 comprises a fixed table 71, a driving motor 72, a first gear 73 and a second gear 74, the fixed table 71 is bolted on one side of the first vertical plate 2, the driving motor 72 is bolted on the top of the fixed table 71, the first gear 73 is fixed with an output shaft of the driving motor 72, the second gear 74 is fixed on the surface of the first rotating column 5, the driving motor 72 is started, the output shaft drives the first gear 73 to rotate, the first gear 73 drives the first rotating column 5 to rotate through the second gear 74, and then the first rotating column 5 drives the frame 4 to rotate, so that the fixed exhaust pipe fitting is overturned.

The clamping and positioning mechanism 18 comprises a screw rod 181, a thread groove 182, a fixing rod 183, a first clamping plate 184 and a second clamping plate 185, the thread groove 182 penetrates through the surface of the second sliding block 14, the screw rod 181 is in threaded connection with the inner wall of the thread groove 182, the second clamping plate 185 is fixed at one end of the screw rod 181 and is in rotary connection with the screw rod 181 through a bearing, one end of the fixing rod 183 is fixed with the first sliding block 13, the first clamping plate 184 is fixed at the other end of the fixing rod 183, an exhaust pipe fitting is placed on the inner side of the first clamping plate 184, the screw rod 181 is rotated, the second clamping plate 185 is driven to approach the first clamping plate 184 under the action of the threads on the inner wall of the thread groove 182, then the first clamping plate 184 and the second clamping plate 185 form clamping on the exhaust pipe fitting, the exhaust pipe fitting is fixed, meanwhile, in order to conveniently rotate the screw rod 181, the other end of the screw rod 181 is fixed with a hand wheel 186, the second clamping plate 185 possibly rotates along with the screw rod 181 to influence the clamping operation, therefore the bottom of the second clamping plate 185 is fixed with a vertical rod 187, the bottom end of the second clamping plate 185 is fixed with a sliding sleeve 188, and the sliding sleeve 188 is slidingly connected with the surface 185 of the connecting rod 17, the second clamping plate 185 can move along with the first vertical rod 185, and can move along with the second vertical rod 17, and can move along with the vertical rod 17, and move along with the vertical rod 185, so that the second clamping rod can move along with the vertical rod 17.

Be provided with between first riser 2 and the second riser 3 and collect box 19, the length and width of collecting box 19 is greater than the length and width of frame 4, and the welding slag that produces in the welding process can drop and collect in the inside of collecting box 19, prevents that the welding slag from scattering at will at the surface of processing platform 1 and inconvenient clearance.

Working principle: the second slide block 14 is pushed to move according to the requirement, the second slide block 14 can drive the first slide block 13 to move through the connecting rod 17 in the moving process, the first slide block 13 drives the first clamping plate 184 to move through the fixing rod 183, the second slide block 14 drives the second clamping plate 185 to move through the screw rod 181, the whole clamping and positioning mechanism 18 is enabled to move, the positions of the clamping and positioning mechanism 18 are adjusted to adapt to clamping of different parts, clamping of exhaust pipes with different lengths can be adapted, after the adjustment is finished, the knob bolt 16 is rotated, the knob bolt 16 moves downwards under the action of the threads on the inner wall of the threaded hole 15, then the knob bolt 16 is abutted against the surface of the frame 4, the second slide block 14 is positioned, the first slide block 13 and the clamping and positioning mechanism 18 are positioned, then the exhaust pipes are fixed through the clamping and positioning mechanism 18, the fixed exhaust pipes can be welded, in the welding process, the driving mechanism 7 can be started to drive the first rotating column 5, the frame 4 and the second rotating column 6 to rotate after the part of the exhaust pipe is welded, so as to turn over the exhaust pipe, after the exhaust pipe is turned over to the next welding position, the driving mechanism 7 is stopped, the cylinder 11 is started, the output shaft of the cylinder 11 stretches to drive the clamping plates 12 at two sides to be tightly adhered to the rubber ring 9 on the surface of the turntable 8, the rubber ring 9 plays a role in increasing the friction force between the clamping plates 12, at the moment, under the friction force, the turntable 8 is positioned, the second rotating column 6 and the frame 4 are positioned, the effect of positioning the turning position is realized, the frame 4 is prevented from rotating by itself in the welding process, the frame 4 corresponds to the rotating assembly, meanwhile, the operation of workers is not needed to be handheld to be positioned, convenience is brought to the workers, after the welding of the position is finished, if the exhaust pipe fitting is required to be overturned, the cylinder 11 is only required to be started to enable the output shaft of the exhaust pipe fitting to shrink, the clamping plate 12 is released from positioning, meanwhile, the driving mechanism 7 is started to overturne the exhaust pipe fitting, and after the overturned exhaust pipe fitting is finished, positioning is performed again.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides an automobile exhaust pipe welded fastening device, includes processing platform (1), frame (4) and centre gripping positioning mechanism (18), its characterized in that: the utility model provides a processing platform, including processing platform (1), frame (4), first riser (2) and second riser (3) have been bolted respectively to the both sides at processing platform (1) top, the both sides at frame (4) have first rotation post (5) and second rotation post (6) respectively, one side of first riser (2) is fixed with actuating mechanism (7), one side bolting of second riser (3) has brace table (10), the surface mounting of second rotation post (6) has carousel (8), the both sides at brace table (10) top all bolt cylinder (11), the output shaft bolt of cylinder (11) has grip block (12), the both sides at frame (4) surface are sliding connection respectively has first slider (13) and second slider (14), threaded hole (15) are run through to be seted up at the top of second slider (14), the inner wall threaded connection of threaded hole (15) has bolt (16), the bottom bolting of second slider (14) has connecting rod (17), the other end and second slider (14) bolt.

2. The welding fixture apparatus for an automobile exhaust pipe according to claim 1, wherein: the driving mechanism (7) comprises a fixed table (71), a driving motor (72), a first gear (73) and a second gear (74), wherein the fixed table (71) is bolted to one side of the first vertical plate (2), the driving motor (72) is bolted to the top of the fixed table (71), the first gear (73) is fixed with an output shaft of the driving motor (72), and the second gear (74) is fixed to the surface of the first rotating column (5).

3. The welding fixture apparatus for an automobile exhaust pipe according to claim 1, wherein: the clamping and positioning mechanism (18) comprises a screw (181), a thread groove (182), a fixing rod (183), a first clamping plate (184) and a second clamping plate (185), wherein the thread groove (182) penetrates through the surface of the second sliding block (14), the screw (181) is in threaded connection with the inner wall of the thread groove (182), the second clamping plate (185) is fixed at one end of the screw (181) and is in rotary connection with the screw (181) through a bearing, one end of the fixing rod (183) is fixed with the first sliding block (13), the first clamping plate (184) is fixed at the other end of the fixing rod (183), and a hand wheel (186) is fixed at the other end of the screw (181).

4. A vehicle vent-pipe weld fixture apparatusfor claim 3, wherein: the bottom of second splint (185) is fixed with montant (187), the bottom of montant (187) is fixed with sliding sleeve (188), and sliding sleeve (188) and the surface sliding connection of connecting rod (17).

5. The welding fixture apparatus for an automobile exhaust pipe according to claim 1, wherein: a collecting box (19) is arranged between the first vertical plate (2) and the second vertical plate (3), and the length and width of the collecting box (19) are larger than those of the frame (4).

6. The welding fixture apparatus for an automobile exhaust pipe according to claim 1, wherein: rubber rings (9) are fixed on the surfaces of the two sides of the rotary table (8), and the rubber rings (9) are made of wear-resistant rubber.