CN215546369U - Automobile body welding fixture - Google Patents
Automobile body welding fixture Download PDFInfo
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- CN215546369U CN215546369U CN202121869662.4U CN202121869662U CN215546369U CN 215546369 U CN215546369 U CN 215546369U CN 202121869662 U CN202121869662 U CN 202121869662U CN 215546369 U CN215546369 U CN 215546369U
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- automobile body
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Abstract
The utility model relates to the technical field of automobile production, and discloses an automobile body welding fixture which comprises a hanging beam fixedly mounted on a ceiling, wherein the bottom of the hanging beam is movably provided with a first clamping arm and a second clamping arm, two mounting boxes are movably arranged on the outer walls of the opposite sides of the first clamping arm and the second clamping arm, and clamping seats are arranged on the inward sides of the four mounting boxes. Automobile body places on the lift, control driving motor operation can make the screw rod rotatory, the screw rod is rotatory to be driven first nut and second nut through first screw thread and second screw thread and is the motion of opposite direction, the motion that opposite direction was done to first nut and second nut passes through the slide and drives first arm lock and the motion that opposite direction was done to the second arm lock, be close to each other or keep away from each other, when first arm lock and second arm lock are close to each other, the holder on the mounting box can block on automobile body's skeleton, thereby grasp automobile body, fix automobile body's position.
Description
Technical Field
The utility model relates to the technical field of automobile production, in particular to an automobile body welding clamp.
Background
With the rapid development of the automobile industry, in order to improve the product competitiveness, the requirements of various automobile manufacturers in China on the welding precision of the automobile body are higher and higher, and in the welding process of an automobile body assembly, a welding clamp is one of essential welding auxiliary tools.
For example, Chinese patent publication numbers are: CN 210359977U's utility model patent, it just discloses an automobile body welding jig, relates to new energy automobile technical field, including the carriage, two symmetrical grip blocks have been placed to the inside in carriage, and the equal fixedly connected with fixed block in a side that two grip blocks kept away from each other, and the back of every fixed block all has the dead lever through the fixed hinge joint of first round pin axle. This automobile body welding jig, reached and made the rotatable effect of electric putter, possessed and passed through electric putter for controlling the function that the centre gripping provided the power condition, the advantage of automatic centre gripping has, reached and driven the second round pin axle through electric putter and carry out gliding effect from top to bottom in the sliding shaft, possessed and driven the function that the grip block removed about removing through the dead lever, can control the centre gripping to the automobile body, the advantage that the centre gripping is effectual has, reached and driven the effect that the roof reciprocated through the motor that just reverses, the function of top centre gripping has been carried out to the automobile body, holistic centre gripping effect has further been improved.
In the above patent, although it is convenient to clamp the vehicle body left and right and top, in practical application we find that it still has certain disadvantages, such as:
the welding fixture is complex in structure and large in size, and after an automobile body is clamped, the welding fixture is not convenient enough to weld the automobile body due to the obstruction of the fixture, and a plurality of welding dead angles exist;
based on the above, we provide an automobile body welding fixture, and hopefully, the defects in the prior art are overcome.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the automobile body welding clamp which has the advantages of simple structure and no influence on welding work after clamping the automobile body.
(II) technical scheme
In order to realize the purposes of simple structure and no influence on welding work after clamping the automobile body, the utility model provides the following technical scheme: an automobile body welding fixture comprises a hanging beam fixedly mounted on a ceiling, wherein the bottom of the hanging beam is movably provided with a first clamping arm and a second clamping arm, two mounting boxes are movably arranged on the outer walls of the opposite sides of the first clamping arm and the second clamping arm, and clamping seats are arranged on the inward sides of the four mounting boxes;
the right end fixed mounting of hanging beam has driving motor, sets up the control mechanism between driving motor and first arm lock and second arm lock, drives first arm lock and second arm lock and is close to each other or keep away from each other.
As a preferable technical scheme of the present invention, the control mechanism includes a screw, a first nut and a second nut, the screw is fixedly mounted at the top of the output shaft of the driving motor, the screw is rotatably disposed inside the suspension beam, the left side of the outer wall of the screw and the right side of the outer wall of the screw are respectively provided with a first thread and a second thread with opposite rotation directions, the outer walls of the first thread and the second thread are respectively in threaded connection with the first nut and the second nut, and the first nut and the second nut are respectively fixedly connected with the first clamping arm and the second clamping arm through a sliding plate.
As a preferable technical scheme of the utility model, the bottom of the hanging beam is also provided with a sliding chute matched with the sliding plate, and the sliding plate is arranged on the inner wall of the sliding chute in a sliding manner.
As a preferred technical scheme of the utility model, the inner wall of the mounting box is movably provided with a pressing plate, a spring is fixedly connected between one side of the pressing plate and the inner side wall of the mounting box, the other side of the pressing plate is fixedly connected with the clamping seat through a connecting column, and the outer wall of the mounting box is also provided with a column groove matched with the connecting column.
As a preferred technical scheme of the utility model, a first cavity and a second cavity are respectively formed in the first clamping arm and the second clamping arm, adjusting motors are respectively and fixedly mounted on the inner walls of the first cavity and the second cavity, a lead screw is fixedly mounted at the top of an output shaft of each adjusting motor, a screw nut is connected with the outer wall of the lead screw in a threaded manner, and the screw nut is fixedly connected with a mounting box through a connecting plate;
the inner side walls of the first cavity and the second cavity are also provided with movable grooves matched with the connecting plates.
The elevator is arranged right below the hanging beam.
(III) advantageous effects
Compared with the prior art, the utility model provides an automobile body welding fixture, which has the following beneficial effects:
1. this automobile body welding jig, automobile body places on the lift, the screw rod that control driving motor operation can make its output shaft top is rotatory, the screw rod is rotatory to set up first screw thread and second screw thread that the opposite direction was opposite direction through its outer wall and to drive first nut and second nut and be the motion of opposite direction, first nut and second nut are the motion of opposite direction and drive first arm lock and second arm lock through the slide and do the motion of opposite direction, be close to each other or keep away from each other, when first arm lock and second arm lock are close to each other, the holder on the mounting box can block on automobile body's skeleton, thereby grasp automobile body, fix automobile body's position, after automobile body centre gripping is good, control lift descends, just can make automobile body be in unsettled state, thereby be convenient for weld automobile body.
2. This automobile body welding jig, the holder is connected with the clamp plate through the spliced pole, and when the holder centre gripping automobile body, the holder passes through spliced pole and clamp plate can compression spring to have certain buffering, prevent that the rigid centre gripping automobile body of holder from leading to automobile body to receive the damage, the centre gripping effect is better.
3. This automobile body welding jig, control accommodate motor operation can make the lead screw rotatory, and the lead screw is rotatory to drive its outer wall threaded connection's screw and reciprocates, and the screw reciprocates and can drive mounting box and holder through the connecting plate and reciprocate, and the vertical position of adjustment holder makes the holder just be located the centre gripping department of being convenient for of automobile body to the convenience carries out the centre gripping to automobile body.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a portion of the suspension beam of the present invention;
FIG. 3 is a cross-sectional view of a mounting box portion of the present invention;
figure 4 is an elevational, cross-sectional view of the first arm portion of the present invention.
In the figure: 1. a hanging beam; 2. a first clamp arm; 3. a second clamp arm; 4. a drive motor; 5. a screw; 6. a first thread; 7. a second thread; 8. a first nut; 9. a second nut; 10. mounting a box; 11. a holder; 12. pressing a plate; 13. a spring; 14. connecting columns; 15. a first cavity; 16. a second cavity; 17. adjusting the motor; 18. a screw rod; 19. a nut; 20. a connecting plate; 21. an elevator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-4, an automobile body welding fixture includes a hanging beam 1 fixedly installed on a ceiling, the hanging beam 1 is fixedly installed on the ceiling, the occupied space is smaller, and the obstacle to the welding of the automobile body is smaller, a first clamping arm 2 and a second clamping arm 3 are movably arranged at the bottom of the hanging beam 1, two installation boxes 10 are movably arranged on the outer walls of the opposite sides of the first clamping arm 2 and the second clamping arm 3, and clamping seats 11 are respectively arranged on the inward sides of the four installation boxes 10;
the lifting device is characterized by further comprising a lifter 21, wherein the lifter 21 is arranged right below the hanging beam 1, and the lifter 21 is used for bearing the automobile body and can drive the automobile body to move up and down;
the right end of the hanging beam 1 is fixedly provided with a driving motor 4, a control mechanism is arranged between the driving motor 4 and the first clamping arm 2 and the second clamping arm 3 and drives the first clamping arm 2 and the second clamping arm 3 to be close to or away from each other, the control mechanism comprises a screw 5, a first nut 8 and a second nut 9, the top of an output shaft of the driving motor 4 is fixedly provided with the screw 5, the screw 5 is rotatably arranged in the hanging beam 1, the left side of the outer wall of the screw 5 and the right side of the outer wall of the screw are respectively provided with a first thread 6 and a second thread 7 with opposite rotation directions, the outer walls of the first thread 6 and the second thread 7 are respectively in threaded connection with the first nut 8 and the second nut 9, and the first nut 8 and the second nut 9 are respectively fixedly connected with the first clamping arm 2 and the second clamping arm 3 through sliding plates;
the automobile body is placed on the lifter 21, the screw 5 at the top of the output shaft of the automobile body can be rotated by controlling the operation of the driving motor 4, the screw 5 is rotated to drive the first nut 8 and the second nut 9 to move in opposite directions by arranging the first thread 6 and the second thread 7 on the outer wall of the screw, the directions of the first thread 6 and the second thread 7 are opposite, the first nut 8 and the second nut 9 move in opposite directions and drive the first clamping arm 2 and the second clamping arm 3 to move in opposite directions by the sliding plate, and the first clamping arm 2 and the second clamping arm 3 are close to or far away from each other, when the first clamping arm 2 and the second clamping arm 3 are close to each other, the clamping seat 11 on the mounting box 10 can be clamped on the framework of the automobile body, thereby clamping the automobile body and fixing the position of the automobile body, after the automobile body is clamped, controlling the lifter 21 to descend so as to enable the automobile body to be in a suspended state, therefore, the automobile body can be conveniently welded, and the clamp can not influence the normal welding work of the automobile body;
the bottom of the hanging beam 1 is also provided with a sliding chute matched with the sliding plate, the sliding plate is arranged on the inner wall of the sliding chute in a sliding manner, and the sliding arrangement of the sliding plate in the sliding chute limits the rotation of the first nut 8 and the second nut 9, so that the first nut 8 and the second nut 9 can only be driven by the screw rod 5 to do left-right translation movement;
a pressing plate 12 is movably arranged on the inner wall of the mounting box 10, a spring 13 is fixedly connected between one side of the pressing plate 12 and the inner side wall of the mounting box 10, the other side of the pressing plate 12 is fixedly connected with a clamping seat 11 through a connecting column 14, and a column groove matched with the connecting column 14 is further formed in the outer wall of the mounting box 10;
the clamping seat 11 is connected with the pressing plate 12 through the connecting column 14, when the clamping seat 11 clamps the automobile body, the clamping seat 11 can compress the spring 13 through the connecting column 14 and the pressing plate 12, so that certain buffering is achieved, the automobile body is prevented from being damaged due to the fact that the clamping seat 11 clamps the automobile body rigidly, and the clamping effect is better;
a first cavity 15 and a second cavity 16 are formed in the first clamping arm 2 and the second clamping arm 3, adjusting motors 17 are fixedly mounted on the inner walls of the first cavity 15 and the second cavity 16, a lead screw 18 is fixedly mounted at the top of an output shaft of each adjusting motor 17, a screw 19 is connected to the outer wall of each lead screw 18 in a threaded manner, and each screw 19 is fixedly connected with the mounting box 10 through a connecting plate 20;
because the framework structures of the automobile bodies of different models are different, when the automobile bodies of different models are clamped, the positions of the mounting box 10 and the clamping seat 11 are different, specifically:
the screw rod 18 can be rotated by controlling the operation of the adjusting motor 17, the screw rod 18 rotates to drive the screw nut 19 in threaded connection with the outer wall of the screw rod to move up and down, the screw nut 19 can drive the mounting box 10 and the clamping seat 11 to move up and down by moving the screw nut 19 up and down through the connecting plate 20, and the vertical position of the clamping seat 11 is adjusted to ensure that the clamping seat 11 is just positioned at a convenient clamping position of an automobile body framework, so that an automobile body can be clamped conveniently;
the inner side walls of the first cavity 15 and the second cavity 16 are further provided with movable grooves matched with the connecting plate 20, and the rotation of the connecting plate 20 and the screw 19 is limited by the movable arrangement of the connecting plate 20 in the movable grooves, so that the screw 19 can only be driven by the screw rod 18 to move up and down in a translational manner.
The working principle and the using process of the utility model are as follows:
the automobile body is placed on the lifter 21, the screw 5 at the top of an output shaft of the driving motor 4 can be rotated by controlling the operation of the driving motor 4, the screw 5 is rotated to drive the first nut 8 and the second nut 9 to move in opposite directions by arranging a first thread 6 and a second thread 7 on the outer wall of the screw 5, the first nut 8 and the second nut 9 move in opposite directions by driving the first clamping arm 2 and the second clamping arm 3 to move in opposite directions through the sliding plate, and the first clamping arm 2 and the second clamping arm 3 are close to or away from each other;
the clamping seat 11 is connected with the pressing plate 12 through the connecting column 14, when the clamping seat 11 clamps the automobile body, the clamping seat 11 can compress the spring 13 through the connecting column 14 and the pressing plate 12, so that certain buffering is achieved, the automobile body is prevented from being damaged due to the fact that the clamping seat 11 clamps the automobile body rigidly, and the clamping effect is better;
the operation of the control adjusting motor 17 can enable the screw rod 18 to rotate, the screw rod 18 rotates to drive the screw 19 in threaded connection with the outer wall of the screw rod to move up and down, the screw 19 moves up and down and can drive the mounting box 10 and the clamping seat 11 to move up and down through the connecting plate 20, the vertical position of the clamping seat 11 is adjusted, the clamping seat 11 is made to be just located at a clamping position of a framework of an automobile body, and therefore the automobile body can be clamped conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. The utility model provides an automobile body welding jig, includes hanging beam (1) of fixed mounting on the ceiling, its characterized in that: a first clamping arm (2) and a second clamping arm (3) are movably arranged at the bottom of the hanging beam (1), two mounting boxes (10) are movably arranged on the outer walls of the opposite sides of the first clamping arm (2) and the second clamping arm (3), and clamping seats (11) are respectively arranged on the inward sides of the four mounting boxes (10);
the right end fixed mounting of hanging beam (1) has driving motor (4), sets up the control mechanism between driving motor (4) and first arm lock (2) and second arm lock (3), drives first arm lock (2) and second arm lock (3) and is close to each other or keeps away from each other.
2. The automobile body welding jig of claim 1, wherein: control mechanism includes screw rod (5), first nut (8) and second nut (9), the output shaft top fixed mounting of driving motor (4) has screw rod (5), screw rod (5) rotate to set up the inside at hanging beam (1), first screw thread (6) and second screw thread (7) that revolve to opposite have been seted up respectively on the left side of screw rod (5) outer wall and the right side of outer wall, the outer wall of first screw thread (6) and second screw thread (7) threaded connection respectively has first nut (8) and second nut (9), first nut (8) and second nut (9) link to each other with first arm lock (2) and second arm lock (3) are fixed respectively through the slide.
3. The automobile body welding jig according to claim 2, characterized in that: the bottom of the hanging beam (1) is further provided with a sliding groove matched with the sliding plate, and the sliding plate is arranged on the inner wall of the sliding groove in a sliding mode.
4. The automobile body welding jig of claim 1, wherein: the inner wall activity of mounting box (10) is provided with clamp plate (12), fixedly connected with spring (13) between one side of clamp plate (12) and the inside wall of mounting box (10), the opposite side of clamp plate (12) passes through spliced pole (14) and is fixed continuous with holder (11), the outer wall of mounting box (10) still seted up with spliced pole (14) assorted post groove.
5. The automobile body welding jig of claim 1, wherein: a first cavity (15) and a second cavity (16) are formed in the first clamping arm (2) and the second clamping arm (3), adjusting motors (17) are fixedly mounted on the inner walls of the first cavity (15) and the second cavity (16), a lead screw (18) is fixedly mounted at the top of an output shaft of each adjusting motor (17), a screw nut (19) is connected to the outer wall of each lead screw (18) in a threaded manner, and each screw nut (19) is fixedly connected with the mounting box (10) through a connecting plate (20);
the inner side walls of the first cavity (15) and the second cavity (16) are also provided with movable grooves matched with the connecting plate (20).
6. The automobile body welding jig of claim 1, wherein: the lifting device is characterized by further comprising a lifter (21), wherein the lifter (21) is arranged right below the hanging beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121869662.4U CN215546369U (en) | 2021-08-11 | 2021-08-11 | Automobile body welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121869662.4U CN215546369U (en) | 2021-08-11 | 2021-08-11 | Automobile body welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215546369U true CN215546369U (en) | 2022-01-18 |
Family
ID=79834524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121869662.4U Active CN215546369U (en) | 2021-08-11 | 2021-08-11 | Automobile body welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215546369U (en) |
-
2021
- 2021-08-11 CN CN202121869662.4U patent/CN215546369U/en active Active
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