CN215509767U

CN215509767U - Automobile front floor assembly clamp

Info

Publication number: CN215509767U
Application number: CN202122439147.9U
Authority: CN
Inventors: 孙伟强; 杨东; 徐彬; 袁明宇
Original assignee: Qingdao Wushun Automobile Mould Parts Co ltd
Current assignee: Qingdao Wushun Automobile Mould Parts Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-01-14
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the technical field of automobile part manufacturing devices, and discloses an automobile front floor assembly clamp which comprises a transmission case, wherein the top of the transmission case is provided with a fixed port, an installation cavity is arranged inside the transmission case, a bidirectional screw rod is rotationally connected in the transmission case, two nuts are symmetrically and threadedly connected on the bidirectional screw rod, guide rods are inserted in the nuts, two ends of each guide rod are fixedly connected in the transmission case, the tops of the nuts are fixedly connected with supporting blocks, the supporting blocks are slidably connected in the fixed ports, the tops of the supporting blocks are fixedly connected with a workbench, and bevel gears A are fixedly sleeved on the bidirectional screw rod. The utility model solves the problem that the size range of models of front floors of automobiles is small due to the fact that most of the existing welding devices cannot adjust the size of a clamp, and achieves the effect of conveniently adjusting the distance between two working tables so as to adapt to the welding processing of the front floors of different models.

Description

Automobile front floor assembly clamp

Technical Field

The utility model relates to the technical field of automobile accessory manufacturing devices, in particular to an automobile front floor assembly clamp.

Background

With the progress of development technology of society, various industries have come to rapid development, for example, the manufacturing industry is the same as the development technology, the manufacturing industry is the basis of the equipment industry, and parts with high precision and strong stability need to be manufactured to ensure the stability and reliability of the whole equipment; however, the most tool clamps are adopted in the process of machining parts, the precision of the parts machined by the equipment without the good tool clamps is not good, the welding process is indispensable in the automobile manufacturing industry, and the automobile front floor framework assembly is used for increasing the strength of an automobile bottom plate and is lapped with left and right threshold pieces of an automobile body to ensure the strength of the whole automobile body.

However, most of the existing welding devices for the front floors of automobiles are matched with the front floors of the automobiles with the same model size, the widths of the front floors of the automobiles are different due to the fact that the widths of the automobiles made by different models and automobile systems of different brands are different, the welding devices with different models are required to be used when the front floors of different models are required to be welded, and therefore not only is the welding rate reduced, but also the welding cost is greatly increased.

Therefore, the clamp for the automobile front floor assembly is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a clamp for a front floor assembly of an automobile, which has the effect of conveniently adjusting the distance between two working tables so as to adapt to the welding processing of front floors of different models and sizes.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a front floor assembly fixture of an automobile comprises a transmission case, wherein a fixed opening is formed in the top of the transmission case, an installation cavity is formed in the transmission case, a bidirectional screw is connected in the transmission case in a rotating mode, two nuts are symmetrically and threadedly connected to the bidirectional screw, a guide rod is inserted in each nut, two ends of each guide rod are fixedly connected into the transmission case, a support block is fixedly connected to the top of each nut and is connected into the fixed opening in a sliding mode, a workbench is fixedly connected to the top of each support block, a bevel gear A is fixedly sleeved on the bidirectional screw, a rotating shaft is rotatably connected to the inner bottom wall of the transmission case, a bevel gear B is fixedly connected to the top of each rotating shaft, a servo motor is fixedly connected to the bottom of the transmission case, a driving shaft of the servo motor is in transmission connection with one end of the rotating shaft, and a positioning frame is fixedly connected to the top of the workbench, and the top of the transmission case is provided with a welder.

Preferably, the top of the positioning frame is in threaded connection with a positioning bolt, and the end of the positioning bolt penetrates through the positioning frame and is fixedly connected with a push block.

Preferably, the two sides of one end, far away from the end head, of the positioning bolt are fixedly connected with fixing rods, and the fixing rods are made of aluminum alloy.

Preferably, two the spacing groove has all been seted up to one side that the locating rack is relative, sliding connection has the slider in the spacing groove, one side fixedly connected with spliced pole of slider, the other end fixedly connected with locating plate of spliced pole, the bottom of ejector pad offsets with the top of locating plate, the top fixedly connected with reset spring of slider, reset spring's other end fixed connection is at the spacing inslot.

Preferably, a limiting rod is inserted in the sliding block, two ends of the limiting rod are fixedly connected in the limiting groove, and the reset spring is fixedly sleeved on the limiting rod.

Preferably, the four corners of the bottom of the transmission case are fixedly connected with supporting legs.

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

1. according to the utility model, the servo motor is started, the rotating shaft drives the bevel gear B to rotate, the bidirectional screw rod rotates, the two nuts drive the supporting block and the working table to horizontally move along the direction of the guide rod, and the distance between the two working tables can be adjusted.

2. According to the utility model, the positioning bolt is rotated to drive the push block to vertically move downwards while rotating, so that the positioning plate drives the slide block to stretch the reset spring and vertically move downwards along the direction of the limiting rod, and then the automobile front floor at the top of the workbench can be stably positioned, thereby improving the stability of the front floor in the machining process, being beneficial to improving the welding quality, and the cooperation of the four supporting legs can be beneficial to relieving the vibration generated by the welding device during working, thereby improving the stability.

Drawings

FIG. 1 is a schematic view of an exterior structure of a front floor assembly clamp for an automobile according to the present invention;

FIG. 2 is a schematic view of an internal structure of a transmission case of a front floor assembly jig of an automobile according to the present invention;

FIG. 3 is a schematic cross-sectional view of a fixture positioning frame for a front floor assembly of an automobile according to the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

In the figure: 1. a transmission case; 2. a fixed port; 3. a bidirectional lead screw; 4. a nut; 5. a guide bar; 6. a support block; 7. a work table; 8. a bevel gear A; 9. a rotating shaft; 10. a bevel gear B; 11. a servo motor; 12. a positioning frame; 13. a limiting groove; 14. a slider; 15. positioning a plate; 16. positioning the bolt; 17. a push block; 18. a return spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, an automobile front floor assembly fixture comprises a transmission case 1, a fixed port 2 is arranged at the top of the transmission case 1, an installation cavity is arranged inside the transmission case 1, a bidirectional screw 3 is rotationally connected in the transmission case 1, two nuts 4 are symmetrically and threadedly connected on the bidirectional screw 3, guide rods 5 are inserted in the nuts 4, two ends of each guide rod 5 are fixedly connected in the transmission case 1, supporting blocks 6 are fixedly connected at the tops of the nuts 4, the supporting blocks 6 are slidably connected in the fixed ports 2, a workbench 7 is fixedly connected at the top of each supporting block 6, a bevel gear A8 is fixedly sleeved on the bidirectional screw 3, a rotating shaft 9 is rotatably connected to the inner bottom wall of the transmission case 1, a bevel gear B10 is fixedly connected at the top of the rotating shaft 9, a servo motor 11 is fixedly connected at the bottom of the transmission case 1, and a driving shaft of the servo motor 11 is in transmission connection with one end of the rotating shaft 9, top fixedly connected with locating rack 12 of workstation 7, the top of transmission case 1 is provided with the welding ware, through opening servo motor 11, it is rotatory to make axis of rotation 9 drive bevel gear B10, make two-way lead screw 3 rotate, drive supporting shoe 6 and workstation 7 along the direction horizontal migration of guide bar 5 with two nuts 4, can adjust the distance between two workstations 7, the problem that the most unable anchor clamps size of adjusting of current welding set leads to fitting automobile front floor model size scope less has been solved, thereby the effect of the preceding floor welded machining of the different sizes of adaptation model of distance between two workstations 7 of being convenient for adjust has been realized.

Wherein, the top threaded connection of locating rack 12 has positioning bolt 16, and positioning bolt 16's end runs through locating rack 12 and fixedly connected with ejector pad 17, rotates positioning bolt 16, makes positioning bolt 16 drive ejector pad 17 limit rotatory vertical downstream in limit, can fix a position the top on workstation 7 top automobile front floor.

Wherein, the equal fixedly connected with dead lever in both sides that positioning bolt 16 kept away from end one end, the material of dead lever is the aluminum alloy, can be at the better application of force of the in-process of rotating positioning bolt 16.

Wherein, spacing groove 13 has all been seted up to two relative one sides of locating rack 12, sliding connection has slider 14 in the spacing groove 13, one side fixedly connected with spliced pole of slider 14, the other end fixedly connected with locating plate 15 of spliced pole, the bottom of ejector pad 17 offsets with the top of locating plate 15, the top fixedly connected with reset spring 18 of slider 14, reset spring 18's other end fixed connection is in spacing groove 13, when ejector pad 17 is vertical when moving down, make locating plate 15 drive the tensile reset spring 18 of slider 14 and along the vertical follow removal downwards of direction of gag lever post, can fix a position the car front floor stable at workstation 7 top, thereby the stability of front floor in the course of working has been improved, help improving welding process's quality.

Wherein, the peg graft has the gag lever post in the slider 14, and the both ends of gag lever post are all fixed connection in spacing groove 13, and reset spring 18 fixes the cover and connects on the gag lever post, can carry out spacingly to the removal of slider 14, prevents that slider 14 from taking place the skew at the in-process that removes.

Wherein, the equal fixedly connected with supporting leg in bottom four corners of transmission case 1, the vibrations that this welding set produced at the during operation can help alleviating in the cooperation of four supporting legs to stability has been improved.

The working principle is as follows: when the positioning device is used, firstly, an automobile front floor to be machined is placed at the top of the two working tables 7, then the servo motor 11 is started, the rotating shaft 9 drives the bevel gear B10 to rotate, the bidirectional screw rod 3 rotates, the two nuts 4 drive the supporting block 6 and the working tables 7 to horizontally move along the direction of the guide rod 5, the distance between the two working tables 7 can be adjusted to clamp two sides of the automobile front floor, then the positioning bolt 16 is rotated, the positioning bolt 16 drives the push block 17 to vertically move downwards while rotating, the positioning plate 15 drives the sliding block 14 to stretch the return spring 18 and vertically move downwards along the direction of the limiting rod, and the top of the automobile front floor at the top of the working tables 7 can be stably positioned.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The automobile front floor assembly clamp comprises a transmission case (1) and is characterized in that a fixed opening (2) is formed in the top of the transmission case (1), an installation cavity is formed in the transmission case (1), a bidirectional lead screw (3) is connected in the transmission case (1) in a rotating mode, two nuts (4) are symmetrically in threaded connection with the bidirectional lead screw (3), a guide rod (5) is inserted in each nut (4), two ends of each guide rod (5) are fixedly connected into the transmission case (1), a supporting block (6) is fixedly connected to the top of each nut (4), the supporting block (6) is connected into the fixed opening (2) in a sliding mode, a workbench (7) is fixedly connected to the top of each supporting block (6), a bevel gear A (8) is fixedly sleeved on each bidirectional lead screw (3), and a rotating shaft (9) is rotatably connected to the inner bottom wall of the transmission case (1), the top fixedly connected with bevel gear B (10) of axis of rotation (9), the bottom fixedly connected with servo motor (11) of transmission case (1), the drive shaft of servo motor (11) is connected with the one end transmission of axis of rotation (9), the top fixedly connected with locating rack (12) of workstation (7), the top of transmission case (1) is provided with the welding ware.

2. The clamp for the automobile front floor assembly according to claim 1, characterized in that a positioning bolt (16) is connected to the top of the positioning frame (12) in a threaded manner, and the end of the positioning bolt (16) penetrates through the positioning frame (12) and is fixedly connected with a push block (17).

3. The clamp for the automobile front floor assembly as claimed in claim 2, wherein fixing rods are fixedly connected to both sides of one end of the positioning bolt (16) far away from the end head, and the fixing rods are made of aluminum alloy.

4. The automobile front floor assembly clamp according to claim 2, characterized in that two opposite sides of the positioning frames (12) are respectively provided with a limiting groove (13), a sliding block (14) is slidably connected in the limiting groove (13), one side of the sliding block (14) is fixedly connected with a connecting column, the other end of the connecting column is fixedly connected with a positioning plate (15), the bottom of the push block (17) is abutted against the top of the positioning plate (15), the top of the sliding block (14) is fixedly connected with a return spring (18), and the other end of the return spring (18) is fixedly connected in the limiting groove (13).

5. The automobile front floor assembly clamp according to claim 4, characterized in that a limiting rod is inserted in the sliding block (14), two ends of the limiting rod are fixedly connected in the limiting groove (13), and the return spring (18) is fixedly sleeved on the limiting rod.

6. The clamp for the automobile front floor assembly according to claim 1, characterized in that four corners of the bottom of the transmission case (1) are fixedly connected with supporting legs.