CN222754734U - Be used for automobile parts welded fixture - Google Patents
Be used for automobile parts welded fixture Download PDFInfo
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- CN222754734U CN222754734U CN202421226128.5U CN202421226128U CN222754734U CN 222754734 U CN222754734 U CN 222754734U CN 202421226128 U CN202421226128 U CN 202421226128U CN 222754734 U CN222754734 U CN 222754734U
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- positioning unit
- slot
- positioning
- automobile parts
- fixture
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Abstract
本实用新型公开了一种用于汽车零部件焊接的夹具工装，包括底板、第一定位单元、第二定位单元及转动单元，底板上设置有第一直线驱动机构、立柱，转动单元的输出轴与安装板连接，第一定位单元、第二定位单元均包括固定块、至少两个移动块和至少两个第二直线驱动机构，两个第二直线驱动机构的移动端分别与两个移动块连接，第一定位单元的固定块的内侧开设有插槽，第二定位单元的固定块的内侧设置有与插槽相对应的凸块，凸块能够适配插设于插槽，转动单元驱动分别套接在第一定位单元和第二定位单元上的管状工件绕自身轴线转动，如此设置，定位操作简便，效率高，适应各种形状和尺寸的工件，提高了该工装的通用性，驱动两个工件同步转动的结构简单。
The utility model discloses a fixture for welding automobile parts, comprising a base plate, a first positioning unit, a second positioning unit and a rotating unit. The base plate is provided with a first linear drive mechanism and a column. The output shaft of the rotating unit is connected to the mounting plate. The first positioning unit and the second positioning unit both comprise a fixed block, at least two moving blocks and at least two second linear drive mechanisms. The moving ends of the two second linear drive mechanisms are respectively connected to the two moving blocks. A slot is provided on the inner side of the fixed block of the first positioning unit. A convex block corresponding to the slot is provided on the inner side of the fixed block of the second positioning unit. The convex block can be adapted and inserted in the slot. The rotating unit drives a tubular workpiece respectively sleeved on the first positioning unit and the second positioning unit to rotate around its own axis. With such a configuration, the positioning operation is simple and efficient, and it is adaptable to workpieces of various shapes and sizes, thereby improving the versatility of the fixture and the structure of driving the two workpieces to rotate synchronously is simple.
Description
Technical Field
The utility model relates to the technical field of automobile part production, in particular to a fixture tool for automobile parts.
Background
The welding is used for connecting various parts, such as an axle, a frame and the like, ensures the structural integrity and the strength of the automobile, is necessary for bearing various stresses and vibrations in the running process of the automobile, has a crucial role in the production process of the automobile parts, is not only a key link in the manufacture of the automobile parts and the automobile body, but also has remarkable influence on the quality, the efficiency, the cost and the like of an automobile product.
The utility model discloses a positioning device for producing automobile parts, which comprises a bottom plate, a mounting plate and mounting shafts, wherein the two mounting plates are arranged at the upper end of the bottom plate at left and right intervals, a first through hole is formed in the mounting plate along the left and right direction, the two mounting shafts are respectively arranged in the first through hole and are rotationally connected with the mounting plate, one ends, close to each other, of the two mounting shafts are provided with mounting assemblies for mounting workpieces, the two mounting shafts are in transmission connection through a transmission assembly, and one mounting plate is provided with a rotating assembly for driving the mounting shafts to rotate. The utility model can effectively mount and position the workpiece in the welding process, and can adjust the welding angle in the welding process, thereby ensuring that the staff can more easily weld without adjusting the welding position of the staff. However, the above-described technical solution has the following problems:
1. the workpieces are positioned by manually screwing a plurality of second bolts arranged in the circumferential direction one by one, so that the operation is complex and the efficiency is low;
2. According to the technical scheme, synchronous rotation of two workpieces is realized through the transmission assembly, and the structure is complex;
3. the technical scheme is only suitable for tubular workpieces and has poor universality.
Disclosure of utility model
The utility model provides a fixture tool for welding automobile parts, which can solve the technical problems.
The utility model is realized by the following technical scheme:
A fixture tool for welding automobile parts comprises a bottom plate, a first positioning unit, a second positioning unit and a rotating unit,
Upright posts are symmetrically arranged on the bottom plate;
at least one upright post is connected with a first linear driving mechanism for driving the upright post to be close to or far away from the other upright post;
The inner side of the upright post is provided with a mounting plate vertical to the bottom plate, and the mounting plate is connected with an output shaft of the rotating unit;
The first positioning unit and the second positioning unit comprise fixed blocks, at least two moving blocks and at least two second linear driving mechanisms, the fixed blocks and the two moving blocks are arranged on the mounting plate, the two moving blocks are positioned at two sides of the fixed blocks, and moving ends of the two second linear driving mechanisms are respectively connected with the two moving blocks and are configured to drive the two moving blocks to be close to or far away from the fixed blocks;
The inner side of the fixed block of the first positioning unit is provided with a slot, the inner side of the fixed block of the second positioning unit is provided with a bump corresponding to the slot, and the bump can be adaptively inserted into the slot;
When the protruding block is inserted into the slot, the rotating unit is configured to drive the tubular workpiece sleeved on the first positioning unit and the second positioning unit to rotate around the axis of the tubular workpiece.
Further, a conical portion is arranged on one side of the protruding block, facing the slot, and an inclined surface guide groove corresponding to the conical portion is arranged at the inlet of the slot.
Further, the inner wall of the slot is provided with a ball plunger, the surface of the lug is provided with a groove corresponding to the ball plunger, and the ball of the ball plunger can slide into the groove.
Further, the cross section of the slot is in a shape of a Chinese character 'yang'.
Further, the side of the movable block far away from the fixed block is provided with a plurality of blind holes, positioning columns are inserted in the blind holes, and springs are arranged between the blind holes and the positioning columns.
Further, the top of the positioning column is a sphere.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
The fixture tool for welding the automobile parts comprises a bottom plate, a first positioning unit, a second positioning unit and a rotating unit, when two tubular workpieces are required to be welded, one workpiece is sleeved with two moving blocks of the first positioning unit at the same time, the other workpiece is sleeved with two moving blocks of the second positioning unit at the same time, a second linear driving mechanism drives the two moving blocks to be far away from the fixed block so that the outer surfaces of the moving blocks are abutted against the inner wall of the workpiece, the workpiece is fixed, a first linear driving mechanism drives an upright post to drive the first positioning unit and the second positioning unit to be close to each other until a lug is inserted into a slot, at the moment, the first positioning unit is coaxially connected with the second positioning unit, and a rotating mechanism drives a mounting plate to rotate so as to drive the workpieces respectively sleeved on the first positioning unit and the second positioning unit to synchronously rotate; when the plate-shaped workpiece or other workpiece which is not suitable for sleeving the fixed block and the movable block is required to be welded, the workpiece is placed on the fixed block, the second linear driving mechanism drives the movable block to be close to the fixed block so as to clamp the workpiece, and the first linear driving mechanism drives the upright post to drive the workpiece clamped by the first positioning unit and the second positioning unit to be close to each other.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a fixture tool for welding automobile parts according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of a first positioning unit according to an embodiment of the present utility model;
FIG. 3 is a diagram illustrating a second positioning unit according to an embodiment of the present utility model;
FIG. 4 is a sectional view showing the installation of two fixing blocks according to an embodiment of the present utility model;
Fig. 5 is a cross-sectional view of a moving block according to an embodiment of the present utility model.
In the drawings, the reference numerals and corresponding part names:
10-bottom plates, 11-upright posts, 111-mounting plates, 112-rotating units and 12-first linear driving mechanisms;
20-second linear driving mechanism, 21-fixed block, 22-movable block, 23-slot, 231-inclined guiding groove, 232-ball plunger, 24-bump, 241-conical part, 242-groove, 221-blind hole, 222-positioning column, 223-spring.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Examples
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, a fixture for welding automobile parts includes a bottom plate 10, a first positioning unit, a second positioning unit, and a rotating unit 112, wherein upright posts 11 are symmetrically disposed on the bottom plate 10, a mounting plate 111 perpendicular to the bottom plate 10 is disposed on the inner side of the upright posts 11, the mounting plate 111 is connected with an output shaft of the rotating unit 112, at least one upright post 11 is connected with a first linear driving mechanism 12 for driving the upright posts to approach or separate from another upright post 11, the first linear driving mechanism can be an electric push rod or a ball screw, preferably, the first linear driving mechanism is a left-right-handed ball screw, the left-handed ball screw and the right-handed ball screw are disposed on the bottom plate 10, a slider is connected to each of left-handed threads and right-handed threads of the screw, and when the screw rotates, the two sliders drive the two upright posts 11 to approach or move outwards toward the center at the same speed and distance, thereby ensuring that the two upright posts 11 can move synchronously with good centering.
The first positioning unit and the second positioning unit comprise a fixed block 21, at least two moving blocks 22 and at least two second linear driving mechanisms 20, the cross sections of the fixed block 21 can be rectangular or square, the cross sections of the moving blocks 22 can be rectangular, square or semicircular, preferably, the cross sections of the moving blocks 22 are semicircular, when the workpieces are tubular, the outer surfaces of the moving blocks 22 can be better attached to the inner walls of the tubular workpieces through semicircular design, uniform and stable support is provided, when the workpieces are plate-shaped or other-shaped workpieces, the moving blocks 22 and the fixed block 21 can clamp other-shaped workpieces, anti-slip lines or anti-slip layers can be arranged on the outer surfaces of the moving blocks 22, friction coefficients between the moving blocks 22 and the workpieces can be increased, sliding or dislocation of the workpieces in the rotation process can be prevented, and the stability of the workpieces rotating along with the moving blocks 22 is improved.
The fixed block 21, the two moving blocks 22 and the two second linear driving mechanisms 20 are all arranged on the mounting plate 111, the two moving blocks 22 are located on two sides of the fixed block 21, the moving ends of the two second linear driving mechanisms 20 are respectively connected with the two moving blocks 22 and configured to drive the two moving blocks 22 to be close to or far from the fixed block 21, and the second linear driving mechanisms 20 can be electric push rods or air cylinders.
The inner side of the fixed block 21 of the first positioning unit is provided with a slot 23, the fixed block 21 of the second positioning unit is provided with a bump 24 corresponding to the slot 23, the bump 24 can be inserted in the slot 23 in an adapting way, for example, one side of the bump 24 facing the slot 23 is provided with a conical part 241, the entrance of the slot 23 is provided with an inclined plane guiding groove 231 corresponding to the conical part 241, and the inclined plane guiding groove 231 provides a smooth transition for the bump 24 to enter the slot 23, so that the assembling process is simpler, more convenient and quicker.
When the projection 24 is inserted into the slot 23, the rotation unit 112 is configured to drive the tubular workpiece respectively sleeved on the first positioning unit and the second positioning unit to rotate around its own axis.
When two tubular workpieces are required to be welded, one workpiece is sleeved into the two moving blocks 22 of the first positioning unit, the other workpiece is sleeved into the two moving blocks 22 of the second positioning unit, the second linear driving mechanism 20 drives the two moving blocks 22 to be far away from the fixed block 21 so that the outer surfaces of the moving blocks 22 are abutted against the inner walls of the workpieces to fix the workpieces, the first linear driving mechanism drives the upright 11 to drive the first positioning unit and the second positioning unit to be close to each other until the lug 24 is inserted into the slot 23, at the moment, the first positioning unit is coaxially connected with the second positioning unit, the rotating mechanism drives the mounting plate 111 to rotate so as to drive the workpieces respectively sleeved on the first positioning unit and the second positioning unit to synchronously rotate, and when the workpieces which are required to be welded into a plate shape or are not suitable for being sleeved on the fixed block 21 and the moving block 22, the second linear driving mechanism 20 drives the moving block 22 to be close to the fixed block 21 so as to clamp the workpieces, and the first linear driving mechanism drives the upright 11 to drive the workpieces clamped by the first positioning unit and the second positioning unit to be close to each other.
In another embodiment, the inner wall of the slot 23 is provided with a ball plunger 232, the surface of the bump 24 is provided with a groove 242 corresponding to the ball plunger 232, the ball of the ball plunger 232 can slide into the groove 242, when the steel ball slides into the groove 242 during the process of inserting the bump 24 into the slot 23, the steel ball is inserted into the slot to indicate that the steel ball is inserted into the slot, when the bump 24 is inserted into the slot 23 with the groove 242, the matching of the ball plunger 232 and the groove 242 can generate a self-locking effect, and accurate positioning can be realized.
In another embodiment, the cross section of the slot 23 is in a shape of a "convex", the cross section of the projection 24 corresponding to the slot 23 is also in a shape of a "convex", and the projection 24 and the slot 23 cooperate to effectively prevent relative rotation between the two positioning shafts.
In another embodiment, the side of the moving block 22 far away from the fixed block 21 is provided with a plurality of blind holes 221, the blind holes 221 are internally provided with positioning columns 222, springs 223 are arranged between the blind holes 221 and the positioning columns 222, the tubular workpiece is sleeved into the fixed block 21 and the two moving blocks 22 at the same time, the inner wall of the workpiece extrudes the positioning columns 222, the positioning columns 222 move towards the bottom of the blind holes 221 to extrude the springs 223, the pre-tightening force of the springs 223 pushes the positioning columns 222 to move towards the inner wall of the workpiece, so that the positioning columns 222 abut against the inner wall of the workpiece to position the workpiece, and the positioning columns 222 can be adaptively adjusted to fit the inner walls of the workpieces with different diameters or different shapes, so that higher flexibility and applicability are provided.
In other embodiments, the top of the post 222 is spherical, and the spherical provides a smooth guide surface during the nesting of the workpiece into the locating shaft, and the workpiece can slide more easily into place along the locating shaft, and the smooth spherical reduces damage to the inner wall of the workpiece.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A fixture tool for welding automobile parts comprises a bottom plate, and is characterized by further comprising a first positioning unit, a second positioning unit and a rotating unit,
Upright posts are symmetrically arranged on the bottom plate;
At least one upright is connected with a first linear driving mechanism for driving the upright to approach or depart from the other upright;
the inner side of the upright post is provided with a mounting plate vertical to the bottom plate, and the mounting plate is connected with an output shaft of the rotating unit;
The first positioning unit and the second positioning unit comprise fixed blocks, at least two moving blocks and at least two second linear driving mechanisms, the fixed blocks and the two moving blocks are arranged on the mounting plate, the two moving blocks are positioned on two sides of the fixed blocks, and moving ends of the two second linear driving mechanisms are respectively connected with the two moving blocks and are configured to drive the two moving blocks to be close to or far away from the fixed blocks;
The inner side of the fixed block of the first positioning unit is provided with a slot, the inner side of the fixed block of the second positioning unit is provided with a bump corresponding to the slot, and the bump can be adaptively inserted into the slot;
When the protruding block is inserted into the slot, the rotating unit is configured to drive the tubular workpiece sleeved on the first positioning unit and the second positioning unit to rotate around the axis of the tubular workpiece.
2. The fixture for welding automobile parts according to claim 1, wherein a tapered portion is provided on a side of the projection facing the slot, and an inclined surface guide groove corresponding to the tapered portion is provided at an entrance of the slot.
3. The fixture for welding automobile parts according to claim 1, wherein a ball plunger is arranged on the inner wall of the slot, a groove corresponding to the ball plunger is formed in the surface of the protruding block, and the ball of the ball plunger can slide into the groove.
4. The fixture for welding automobile parts according to claim 1, wherein the cross section of the slot is in a shape of a Chinese character 'tu'.
5. The fixture tool for welding automobile parts according to claim 1, wherein a plurality of blind holes are formed in the side surfaces, away from the fixed blocks, of the movable blocks, positioning columns are inserted into the blind holes, and springs are arranged between the blind holes and the positioning columns.
6. The fixture for welding automobile parts according to claim 5, wherein the top of the positioning column is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421226128.5U CN222754734U (en) | 2024-05-31 | 2024-05-31 | Be used for automobile parts welded fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421226128.5U CN222754734U (en) | 2024-05-31 | 2024-05-31 | Be used for automobile parts welded fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222754734U true CN222754734U (en) | 2025-04-15 |
Family
ID=95321510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421226128.5U Active CN222754734U (en) | 2024-05-31 | 2024-05-31 | Be used for automobile parts welded fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222754734U (en) |
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2024
- 2024-05-31 CN CN202421226128.5U patent/CN222754734U/en active Active
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