阅读说明：本技术 一种弧形开口矫正工具 (Arc opening correction tool ) 是由 刘锦辉 李泽深 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种弧形开口矫正工具,包括：基准座,具有与工件的弧形开口匹配的仿形曲面；支架,与基准座连接；滚压轮,设置于所述仿形曲面的弯心方向,所述滚压轮具有偏心的驱动轴,所述驱动轴通过轴承安装于所述支架,所述滚压轮能够绕所述驱动轴转动,并与所述仿形曲面配合以滚压位于所述基准座和所述滚压轮之间的工件。基准座采用仿形设计,相当于开口部原有曲面基准,修复时可对比,效果一目了然。修复时无需对板材进行敲击,不会产生“延展”的情况,有效的降低板材变薄风险。滚压过程受力均匀,成型效果良好,不会出现凹坑等不良问题,有效提升修复质量。工具使用方便,安装后直接通过驱动轴驱动滚压轮即可修复变形部位,效率很高。(The invention discloses an arc opening correction tool, which comprises: the datum base is provided with a profiling curved surface matched with the arc-shaped opening of the workpiece; the bracket is connected with the reference seat; the rolling wheel is arranged in the bending center direction of the profile modeling curved surface and provided with an eccentric driving shaft, the driving shaft is arranged on the support through a bearing, and the rolling wheel can rotate around the driving shaft and is matched with the profile modeling curved surface to roll a workpiece between the reference seat and the rolling wheel. The reference seat adopts a profile modeling design, is equivalent to the original curved surface reference of the opening part, can be compared during repair, and has clear effect. Need not to strike panel during the restoration, can not produce the condition of "extension", effectual reduction panel attenuation risk. The rolling process is stressed evenly, the forming effect is good, bad problems such as pits can not occur, and the repairing quality is effectively improved. The tool is convenient to use, the deformed part can be repaired by directly driving the rolling wheel through the driving shaft after installation, and the efficiency is very high.)

1. An arc opening correction tool, comprising:

the datum base is provided with a profiling curved surface matched with the arc-shaped opening of the workpiece;

the bracket is connected with the reference seat;

the rolling wheel is arranged in the bending center direction of the profile modeling curved surface and provided with an eccentric driving shaft, the driving shaft is arranged on the support through a bearing, and the rolling wheel can rotate around the driving shaft and is matched with the profile modeling curved surface to roll a workpiece between the reference seat and the rolling wheel.

2. The arc opening correction tool of claim 1, wherein the support comprises a clamping adjustment seat provided with a mounting hole, the clamping adjustment seat is provided with at least three positioning screws along the circumferential direction of the mounting hole, the rolling wheel is located below the clamping adjustment seat, the driving shaft passes through the mounting hole, the positioning screws are in threaded connection with the clamping adjustment seat and abut against the bearing located in the mounting hole, and the position of the bearing in the mounting hole can be changed by adjusting the positioning screws.

3. The arc opening correction tool according to claim 2, wherein the bearing has a positioning hole on its outer circumferential surface for engaging with the positioning screw.

4. The arcuate opening correcting tool of claim 2, further comprising:

the ratchet mechanism comprises a ratchet wheel and a ratchet wheel handle, the ratchet wheel is connected with the driving shaft, and the ratchet wheel handle is provided with a non-return pawl matched with the ratchet wheel.

5. The tool for correcting arc-shaped openings according to claim 2, wherein the support further comprises a first support and a second support, the first support and the second support are connected to both ends of the reference base along the extending direction of the curved profile surface, and the clamping adjustment base is connected to the first support and the second support on both sides.

6. The tool for correcting arc-shaped openings according to claim 5, wherein the first bracket and the second bracket are detachably attached to both ends of the reference base.

7. The tool for correcting the arc-shaped opening according to claim 5, wherein the first bracket has a first connecting arm extending above the rolling wheel, the first connecting arm is provided with a first pin hole, the second bracket has a second connecting arm extending above the rolling wheel, the second connecting arm is provided with a second pin hole, and the bottom of the clamping and adjusting seat is provided with a pin matched with the first pin hole and the second pin hole.

8. The arcuate opening correcting tool of claim 5, further comprising:

and the clamp is used for clamping the workpiece to the first support or the second support.

9. The arc opening correction tool of claim 8, wherein the clamp comprises a support rod, a rocker, a connecting rod and a pull rod, one end of the support rod is connected with the first support or the second support, the support rod, the rocker, the connecting rod and the pull rod are sequentially hinged, the pull rod sweeps over the edge of the first support or the second support and is connected with a pressure head at the end, and the rocker is provided with a rocker handle.

10. The tool for correcting the arc-shaped opening according to claim 5, wherein electromagnets are arranged at the bottoms of the first bracket and the second bracket, and a power supply and a switch connected with the electromagnets are arranged in the first bracket and the second bracket.

Technical Field

The invention is used in the field of automobile maintenance tools, and particularly relates to an arc-shaped opening correction tool.

Background

The opening part of the automobile trunk is the main position for installing the waterproof rubber strip, the opening part is a single-layer steel plate (about 0.6-0.7mm, the thin plate is easy to deform), and the processing process is influenced by external factors to cause poor deformation (such as deformation generated after collision). The opening part is uneven, the situation of water leakage (the adhesive tape is not attached and the sealing performance is poor) can appear when the waterproof adhesive tape is installed, and therefore the requirement on the flatness of the position is very high. Once the deformation is poor, the repair difficulty is higher (the corner has a curved surface, and the component with radian is difficult to correct), and the flat repair cannot be realized according to the existing method.

Disclosure of Invention

The present invention is directed to solve at least one of the problems of the prior art and to provide a tool for correcting an arc-shaped opening.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an arcuate opening correction tool comprising:

the datum base is provided with a profiling curved surface matched with the arc-shaped opening of the workpiece;

the bracket is connected with the reference seat;

the rolling wheel is arranged in the bending center direction of the profile modeling curved surface and provided with an eccentric driving shaft, the driving shaft is arranged on the support through a bearing, and the rolling wheel can rotate around the driving shaft and is matched with the profile modeling curved surface to roll a workpiece between the reference seat and the rolling wheel.

In some embodiments, the bracket includes a clamping adjustment seat, the clamping adjustment seat is provided with a mounting hole, the clamping adjustment seat is provided with at least three set screws along the circumference of the mounting hole, the rolling wheel is located below the clamping adjustment seat, the driving shaft passes through the mounting hole, the set screws are in threaded connection with the clamping adjustment seat and tightly abut against the bearing located in the mounting hole, and the position of the bearing in the mounting hole can be changed by adjusting the set screws.

In some embodiments, the outer circumferential surface of the bearing is provided with a positioning hole matched with the positioning screw.

In some embodiments, further comprising:

the ratchet mechanism comprises a ratchet wheel and a ratchet wheel handle, the ratchet wheel is connected with the driving shaft, and the ratchet wheel handle is provided with a non-return pawl matched with the ratchet wheel.

In some embodiments, the bracket further comprises a first bracket and a second bracket, the first bracket and the second bracket are connected to two ends of the reference seat along the extending direction of the profile curved surface, and the clamping adjusting seat is connected with the first bracket and the second bracket on two sides.

In some embodiments, the first bracket and the second bracket are detachably connected to both ends of the reference base.

In some embodiments, the first bracket has a first connecting arm extending to above the rolling wheel, the first connecting arm is provided with a first pin hole, the second bracket has a second connecting arm extending to above the rolling wheel, the second connecting arm is provided with a second pin hole, and the bottom of the clamping adjusting seat is provided with a pin matched with the first pin hole and the second pin hole.

In some embodiments, further comprising:

and the clamp is used for clamping the workpiece to the first support or the second support.

In some embodiments, the clamp comprises a support rod, a rocker, a connecting rod and a pull rod, one end of the support rod is connected with the first support or the second support, the support rod, the rocker, the connecting rod and the pull rod are sequentially hinged, the pull rod sweeps over the edge of the first support or the second support and is connected with a pressure head at the end, and the rocker is provided with a rocker handle.

In some embodiments, electromagnets are arranged at the bottoms of the first bracket and the second bracket, and a power supply and a switch connected with the electromagnets are arranged in the first bracket and the second bracket.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the tool is provided with a reference seat and a rolling wheel which are matched with each other, the reference seat is a fixed side, the rolling wheel is a movable side, and the tool can generate clamping and pressurizing acting force on the workpiece plate during operation to enable the workpiece plate to deform along with the workpiece plate, so that the main purpose of repairing is achieved.

Meanwhile, the reference seat adopts a profile modeling design, which is equivalent to the original curved surface reference of the opening part, and the reference seat can be compared during repair, so that the effect is clear at a glance. Need not to strike panel during the restoration, can not produce the condition of "extension", effectual reduction panel attenuation risk. The rolling process is stressed evenly, the forming effect is good, bad problems such as pits can not occur, and the repairing quality is effectively improved. The tool is convenient to use, the deformed part can be repaired by directly driving the rolling wheel through the driving shaft after installation, and the efficiency is very high.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a datum and pedestal structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the rolling wheel, drive shaft configuration of one embodiment shown in FIG. 1;

FIG. 3 is a schematic view of a first bracket configuration of the embodiment shown in FIG. 1;

FIG. 4 is a schematic view of the clamp adjustment block of FIG. 1 according to one embodiment.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.

In the invention, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Fig. 1 shows a reference direction coordinate system of an embodiment of the present invention, and the following describes an embodiment of the present invention with reference to the directions shown in fig. 1.

Referring to fig. 1 and 2, an embodiment of the present invention provides an arc opening correction tool, which may be used for correcting and repairing a workpiece such as an opening of a trunk of an automobile, and the arc opening correction tool includes a reference seat 1, a bracket 2 and a rolling wheel 3. The support 2 is connected with the reference seat 1, the reference seat 1 adopts a profiling design and is provided with a profiling curved surface 11 matched with an arc opening of a workpiece, the reference seat 1 is equivalent to a reference module, the profile of the reference module is L-shaped and can be completely attached to the profiling curved surface 11 of the opening part, the reference seat 1 is fixed on the support 2, and when the rolling wheel 3 is used for rolling and pressing a plate, the reference seat 1 can play a role of bearing.

Referring to fig. 2, the rolling wheel 3 is a movable side of the whole tool, the rolling wheel 3 is arranged in the bending direction of the profiling curved surface 11, the rolling wheel 3 is provided with an eccentric driving shaft 31, the driving shaft 31 and the rolling wheel 3 are integrally manufactured or assembled into a whole, the driving shaft 31 is installed on the bracket 2 through a bearing 32, and the rolling wheel 3 can rotate around the driving shaft 31 and is matched with the profiling curved surface 11 to roll a workpiece between the reference seat 1 and the rolling wheel 3. In other words, the rolling wheel 3 is driven by the driving shaft 31 to rotate, the rolling wheel 3 adopts an eccentric clamping mode, the radius is gradually increased when the eccentric wheel rotates, clamping force is generated to clamp a workpiece, and the acting force is directly applied to the opening plate.

When the arc opening correction tool of this embodiment is adopted to correct and repair the opening of the car trunk, the specific flow of operation is as follows:

1) the mounting tool is fixed on the vehicle body; 2) the driving shaft 31 is driven, and the rolling wheel 3 and the reference seat 1 clamp and press the opening plate until the rolling is finished; 3) detaching the tool and taking out; 4) and confirming the matching state by mounting the adhesive tape.

In the embodiment, a rolling forming mode is utilized to carry out orthopedic repair on a deformed workpiece plate, the tool is provided with the reference seat 1 and the rolling wheel 3 which are matched with each other for use, the reference seat 1 is a fixed side, and the rolling wheel 3 is a movable side, so that clamping and pressurizing acting force can be generated on the workpiece plate during operation, the workpiece plate is deformed along with the workpiece plate, and the main purpose of repair is achieved.

Compared with the traditional scheme, the reference base 1 adopts a profile modeling design, is equivalent to the original curved surface reference of the opening part, can be compared during repair, and has clear effect. Need not to strike panel during the restoration, can not produce the condition of "extension", effectual reduction panel attenuation risk. The rolling process is stressed evenly, the forming effect is good, bad problems such as pits can not occur, and the repairing quality is effectively improved. The tool is convenient to use, the deformed part can be repaired by directly driving the rolling wheel 3 through the driving shaft 31 after installation, and the efficiency is high.

The corrected reference mould is made, the curved surface of the opening part can be completely attached, the repairing effect can be compared according to the reference, and the repairing quality is improved.

The deformed part is repaired by an eccentric clamping mode, so that the stress is uniform when the plate is repaired, the one-step forming effect is good, the repairing working time is greatly shortened, and the efficiency is improved.

Because the reference seat 1 is designed in a profiling manner, when parts with different curved surfaces need to be repaired, the reference seat 1 can be switched and adjusted as needed, in order to meet the requirement that the rolling wheel 3 is matched with different reference seats 1, in some embodiments, referring to fig. 1, the bracket 2 includes a clamping adjusting seat 21, and the clamping adjusting seat 21 is used for adjusting the relative position between the rolling wheel 3 and the reference seat 1. Specifically, the clamping adjustment seat 21 is provided with a mounting hole 22, and the diameter of the mounting hole 22 is larger to ensure that the driving shaft 31 can be adjusted in position therein. The clamping adjusting seat 21 is provided with at least three positioning screws 23 along the circumferential direction of the mounting hole 22, the rolling wheel 3 is positioned below the clamping adjusting seat 21, the driving shaft 31 penetrates through the mounting hole 22, the positioning screws 23 are in threaded connection with the clamping adjusting seat 21 and tightly abut against the bearing 32 positioned in the mounting hole 22, and the position of the bearing 32 in the mounting hole 22 can be changed by adjusting the positioning screws 23.

Further, referring to fig. 2, in order to ensure the positioning accuracy of the positioning screw 23 and the bearing 32, the outer circumferential surface of the bearing 32 is provided with a positioning hole 33 which is matched with the positioning screw 23.

The drive shaft 31 may be motor driven or manually driven, for example, in some embodiments, referring to fig. 2, the correction tool further comprises a ratchet mechanism comprising a ratchet 41 and a ratchet grip 42, the ratchet 41 being connected to the drive shaft 31, the ratchet grip 42 being provided with a non-return pawl cooperating with the ratchet 41. When the rolling wheel 3 is driven, the ratchet handle 42 is pushed to and fro, and at the moment, the rolling wheel 3 and the reference seat 1 clamp and press the opening plate until the rolling is finished. The ratchet wheel 41 mechanism is adopted to drive the rolling wheel 3, so that the rolling wheel 3 performs rolling correction on the opening part in a rolling, staying and re-rolling mode, inversion is avoided, and the correction effect is better.

In some embodiments, referring to fig. 1, the support frame 2 further includes a first support frame 24 and a second support frame 25, the first support frame 24 and the second support frame 25 are connected to two ends of the reference frame 1 along the extending direction of the contoured surface 11, and the clamping adjustment base 21 is connected to the first support frame 24 and the second support frame 25 on two sides, so that the clamping adjustment base 21, the first support frame 24, the second support frame 25 and the reference frame 1 form a stable whole to ensure that the reference frame 1 can provide a stable supporting force for the workpiece during the straightening process of the rolling wheel 3.

When the parts with different curved surfaces need to be repaired, the datum base 1 is switchable, and the first bracket 24 and the second bracket 25 are detachably connected to two ends of the datum base 1.

In some embodiments, referring to fig. 1, 3 and 4, the first bracket 24 has a first connecting arm 26 extending above the rolling wheel 3, the first connecting arm 26 is provided with a first pin hole 27, the second bracket 25 has a second connecting arm 28 extending above the rolling wheel 3, the second connecting arm 28 is provided with a second pin hole, and the bottom of the clamp adjusting seat 21 is provided with a bolt 29 matching with the first pin hole 27 and the second pin hole. The clamping adjusting seat 21 and the brackets 2 on two sides are connected through a bolt 29 to form a hinge structure, so that the installation and adaptation requirements after the clamping adjusting seat 21 is replaced can be met.

Referring to fig. 1, the arc-shaped opening straightening tool further comprises a clamp 5, wherein the clamp 5 is used for clamping the workpiece to the first support 24 or the second support 25, so that the workpiece is clamped and positioned with the tool before straightening.

The clamp 5 may be a pneumatic, manual or the like type clamp 5, for example, in some embodiments, referring to fig. 1, the clamp 5 includes a support rod 51, a rocker 52, a connecting rod 53 and a pull rod 54, one end of the support rod 51 is connected to the first bracket 24 or the second bracket 25, and the support rod 51, the rocker 52, the connecting rod 53 and the pull rod 54 are hinged in sequence. In other words, the two ends of the rocker 52 are respectively hinged with the support rod 51 and the connecting rod 53, and the two ends of the connecting rod 53 are respectively hinged with the rocker 52 and the pull rod 54. The end of the pull rod 54 is swept over the edge of the first bracket 24 or the second bracket 25 and is connected at the end to a pressure head 55, the rocker 52 being provided with a rocker handle 56. When the clamp 5 is used, the rocker handle 56 is moved, the rocker 52 drives the connecting rod 53, the connecting rod 53 drives the pull rod 54, and the pull rod 54 drives the pressure head 55 to be far away from the bracket 2. When the opening plate is in place, the rocker handle 56 is moved in the reverse direction, the rocker 52 drives the connecting rod 53, the connecting rod 53 drives the pull rod 54, the pull rod 54 drives the pressure head 55 to approach the bracket 2, and the opening plate is clamped to the bracket 2. The supporting rod 51, the rocker 52, the connecting rod 53 and the pull rod 54 are sequentially hinged, so that self-locking can be realized after the opening plate is clamped.

In some embodiments, the first bracket 24 and the second bracket 25 are provided with electromagnets at the bottom, and the first bracket 24 and the second bracket 25 are internally provided with a power supply and a switch 6 connected with the electromagnets. After the electromagnet is electrified, the whole tool is stably adsorbed on the vehicle body, and the electromagnet and the clamp 5 are used simultaneously and are very firm.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.