阅读说明：本技术 白车身主拼pcf检具侧围部分渐进工装及检测工艺 (Progressive tool and detection process for side wall part of white body main splicing PCF (photonic crystal fiber) detection tool ) 是由 苏兴桂 何轸炎 杨冬松 于 2021-09-28 设计创作，主要内容包括：本发明涉及汽车检测工装领域,具体涉及一种白车身主拼PCF检具侧围部分渐进工装及检测工艺,包括工装底座、侧围安装架、快进机构和渐进机构,侧围安装架在快进机构驱动下移动,渐进机构包括手轮、丝杆、滚珠轴承座、连接块和微调底座,所述连接块固设于侧围安装架上,滚珠轴承座固设于连接块上,手轮与丝杆固接,所述手轮与滚珠轴承座可旋转连接,微调底座固设于工装底座上,丝杆的末端设有螺纹部,微调底座设有与螺纹部配合的螺纹孔。侧围部分在距离下车体焊接总成20mm时,能够慢进微调,方便操作,节省人工,使检测人员能够轻松快捷的定位好侧围,且在合拼过程中,能够兼顾观察预防因干涉而撞伤检具。(The invention relates to the field of automobile detection tools, in particular to a progressive tool and a detection process for a side wall part of a white body main splicing PCF (fiber bragg grating) detection tool. The side wall part can be finely adjusted by slow advancing when being 20mm away from the lower vehicle body welding assembly, the operation is convenient, the labor is saved, the side wall can be easily and quickly positioned by detection personnel, and in the assembling process, the detection tool for observing and preventing the collision injury caused by interference can be considered.)

1. White automobile body owner pieces together PCF and examines gradual frock of side wall part, its characterized in that: including fixture base, side wall mounting bracket, fast-forward mechanism and progressive mechanism, the side wall mounting bracket sets up on fixture base with fixture base is perpendicular, slip, fast-forward mechanism sets up on fixture base, the side wall mounting bracket removes under fast-forward mechanism drive, progressive mechanism includes hand wheel, lead screw, ball bearing frame, connecting block and fine setting base, the connecting block sets firmly on the side wall mounting bracket, ball bearing frame sets firmly on the connecting block, hand wheel and lead screw rigid coupling, hand wheel and ball bearing frame rotatable coupling, fine setting base sets firmly on fixture base, the end of lead screw is equipped with screw thread portion, fine setting base be equipped with screw thread portion complex screw hole.

2. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the fine tuning base is provided with a groove, the groove is embedded with a nut, and the threaded hole is formed in the nut.

3. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the progressive mechanism is located in the middle of the side wall mounting frame and the tooling base.

4. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the fast-forward mechanism comprises a screw rod sliding table and a transverse moving platform, the transverse moving platform is fixedly connected with the side wall mounting frame, the screw rod sliding table is arranged on the tooling base, and the transverse moving platform moves under the driving of the screw rod sliding table.

5. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the fast-forward mechanism comprises a longitudinal beam, wherein the side edge of the longitudinal beam is fixedly connected with the side wall mounting frame, and the bottom of the longitudinal beam is fixedly connected with the transverse moving platform.

6. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the fixture comprises a tool base and is characterized by further comprising a positioning mechanism, wherein the positioning mechanism comprises a positioning hole arranged on the transverse moving platform, a positioning seat fixedly arranged on the tool base and a positioning bolt matched with the positioning hole, and the positioning seat is provided with a jack matched with the positioning hole.

7. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the tooling base comprises a lower body mounting area and transverse moving areas positioned at two wings of the lower body mounting area, the fast-forward mechanisms are arranged on the transverse moving areas, the side wall mounting frames are two and are respectively arranged at two sides of the lower body mounting area, the side wall mounting frames are close to or far away from the lower body mounting area under the driving of the fast-forward mechanisms and the progressive mechanisms, each transverse moving area is provided with two fast-forward mechanisms, and the progressive mechanisms are positioned between the two fast-forward mechanisms.

8. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the side wall mounting frame is provided with a hoisting ring.

9. The progressive tooling for the side wall part of the white body main splicing PCF checking fixture according to claim 1, characterized in that: the tool base and the side wall mounting frame are provided with mounting holes, mounting blocks are fixedly arranged in the mounting holes, and mounting through holes are formed in the mounting blocks.

10. The detection process for the progressive tool of the side wall part of the white body main splicing PCF detection tool according to any one of claims 1 to 9 is characterized by comprising the following steps:

a, mounting a checking fixture on a fixture base and a side wall mounting frame;

b, placing and installing a lower body welding assembly on the tooling base, and placing and installing a side wall welding assembly on the side wall installation frame;

c, driving the side wall mounting frame and the side wall welding assembly to approach towards the lower vehicle body welding assembly by the fast forward mechanism;

d, when the side wall welding assembly is welded 20mm away from the lower vehicle body, the threaded part at the tail end of the screw rod is about to be inserted into a threaded hole of the fine adjustment base, the fast forward mechanism stops working, the progressive mechanism is used for driving the side wall mounting frame to be fine adjusted, the hand wheel is rotated to drive the screw rod to rotate, fine adjustment of the distance between the side wall welding assembly and the lower vehicle body welding assembly is achieved through threaded matching of the threaded part and the threaded hole, and when the side wall welding assembly is adjusted to a specified detection position, a positioning pin is inserted to complete positioning;

and e, detecting the gap between the side wall welding assembly and the lower vehicle body welding assembly.

Technical Field

The invention relates to the field of automobile detection tools, in particular to a progressive tool and a detection process for a side wall part of a white automobile body main splicing PCF (photonic crystal fiber) detection tool.

Background

part coordinate fix, namely a part checking fixture, which is used for checking the assembly manufacturability of parts and assemblies thereof in the automobile industry. On the PCF was examined to main piecing together, the side wall part was for U to sliding, when side wall welding assembly and lower automobile body welding assembly amalgamated, side wall welding assembly was required to amalgamate the preceding 3mm or 5mm clearance of doing and is detected, because side wall part weight reaches 2T, and generally is one-man operation, consequently has following problem and shortcoming:

1. when the side wall is spliced, if the side wall is interfered with the lower vehicle body, the heavy inertia of the side wall is difficult to be perceived, and the interference points of the side wall and the lower vehicle body collide with each other to easily cause workpiece damage and precision loss.

2. The general one-man operation of detection personnel, when promoting the side wall part and fix a position it at 3mm or 5mm detection position, there is the work of an alignment locating pin, needs the adjustment position to insert the locating pin, but the work of locating and fine setting is difficult to accomplish by one-man operation to the heavy side wall of 2T, needs 2 people to operate and consuming time long.

Disclosure of Invention

The invention aims to solve at least the problems through a progressive tooling and a detection process for a side wall part of a white body main splicing PCF (photonic crystal fiber) detection tool.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: white automobile body owner pieces together PCF and examines gradual frock of side wall part, its characterized in that: including fixture base, side wall mounting bracket, fast-forward mechanism and progressive mechanism, the side wall mounting bracket sets up on fixture base with fixture base is perpendicular, slip, fast-forward mechanism sets up on fixture base, the side wall mounting bracket removes under fast-forward mechanism drive, progressive mechanism includes hand wheel, lead screw, ball bearing frame, connecting block and fine setting base, the connecting block sets firmly on the side wall mounting bracket, ball bearing frame sets firmly on the connecting block, hand wheel and lead screw rigid coupling, hand wheel and ball bearing frame rotatable coupling, fine setting base sets firmly on fixture base, the end of lead screw is equipped with screw thread portion, fine setting base be equipped with screw thread portion complex screw hole.

Preferably, the fine tuning base is provided with a groove, the groove is embedded with a nut, and the threaded hole is formed in the nut.

Preferably, the progressive mechanism is located in the middle of the side wall mounting frame and the tooling base.

Preferably, the fast-forward mechanism includes lead screw slip table and sideslip platform, sideslip platform and side wall mounting bracket rigid coupling, the lead screw slip table sets up on the frock base, the sideslip platform removes under the drive of lead screw slip table.

Preferably, the fast-forward mechanism comprises a longitudinal beam, the side edge of the longitudinal beam is fixedly connected with the side wall mounting frame, and the bottom of the longitudinal beam is fixedly connected with the transverse moving platform.

Preferably, the fixture further comprises a positioning mechanism, the positioning mechanism comprises a positioning hole arranged on the transverse moving platform, a positioning seat fixedly arranged on the fixture base and a positioning bolt matched with the positioning hole, and the positioning seat is provided with an insertion hole matched with the positioning hole.

Preferably, the tooling base comprises a lower body mounting area and transverse moving areas positioned at two wings of the lower body mounting area, the fast-forward mechanisms are arranged on the transverse moving areas, two side wall mounting frames are arranged at two sides of the lower body mounting area respectively, the side wall mounting frames are close to or far away from the lower body mounting area under the driving of the fast-forward mechanisms and the progressive mechanisms, two fast-forward mechanisms are arranged on each transverse moving area, and the progressive mechanisms are positioned between the two fast-forward mechanisms.

Preferably, the side wall mounting frame is provided with a hoisting ring.

Preferably, the tooling base and the side wall mounting frame are provided with mounting holes, mounting blocks are fixedly arranged in the mounting holes, and mounting through holes are formed in the mounting blocks.

The detection process for the progressive tool of the side wall part of the white body main splicing PCF detection tool is characterized by comprising the following steps of:

a, mounting a checking fixture on a fixture base and a side wall mounting frame;

b, placing and installing a lower body welding assembly on the tooling base, and placing and installing a side wall welding assembly on the side wall installation frame;

c, driving the side wall mounting frame and the side wall welding assembly to approach towards the lower vehicle body welding assembly by the fast forward mechanism;

d, when the side wall welding assembly is welded 20mm away from the lower vehicle body, the threaded part at the tail end of the screw rod is about to be inserted into a threaded hole of the fine adjustment base, the fast forward mechanism stops working, the progressive mechanism is used for driving the side wall mounting frame to be fine adjusted, the hand wheel is rotated to drive the screw rod to rotate, fine adjustment of the distance between the side wall welding assembly and the lower vehicle body welding assembly is achieved through threaded matching of the threaded part and the threaded hole, and when the side wall welding assembly is adjusted to a specified detection position, a positioning pin is inserted to complete positioning;

and e, detecting the gap between the side wall welding assembly and the lower vehicle body welding assembly.

The progressive tooling and the detection process for the side wall part of the white body main splicing PCF detection tool have the following beneficial effects that: the side wall part can be finely adjusted by slow advancing when being 20mm away from the lower vehicle body welding assembly, the operation is convenient, the labor is saved, the side wall can be easily and quickly positioned by detection personnel, and in the assembling process, the detection tool for observing and preventing the collision injury caused by interference can be considered.

Drawings

Fig. 1 is a schematic perspective view of a progressive tooling of a side wall part of a white body main splicing PCF checking fixture.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an exploded schematic view of the ratcheting mechanism.

Fig. 4 is an enlarged view of a portion B of fig. 1.

Fig. 5 is an enlarged view of a portion C of fig. 1.

Detailed Description

The invention is further described below by means of specific embodiments.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figure 1, the progressive tooling for the side wall part of the white body main splicing PCF checking fixture comprises a tooling base 1, a side wall mounting frame 2, a fast forward mechanism 3, a progressive mechanism 4 and a positioning mechanism 5.

The side wall mounting frame 2 is perpendicular to the tooling base 1 and is arranged on the tooling base 1 in a sliding mode, the fast-forward mechanism 3 is arranged on the tooling base 1, and the side wall mounting frame 2 is driven by the fast-forward mechanism 3 to move.

The tooling base 1 comprises a lower vehicle body mounting area 11 and transverse moving areas 12 located on two wings of the lower vehicle body mounting area 11, the fast-forward mechanisms 3 are arranged on the transverse moving areas 12, two side wall mounting frames 2 are arranged and are respectively arranged on two sides of the lower vehicle body mounting area 11, the side wall mounting frames 2 are driven by the fast-forward mechanisms 3 and the progressive mechanisms 4 to be close to or far away from the lower vehicle body mounting area 11, two fast-forward mechanisms 3 are arranged on each transverse moving area 12, and the progressive mechanisms 4 are located between the two fast-forward mechanisms 3. The side wall mounting frame 2 is provided with a hoisting ring 21.

As shown in fig. 5, the tooling base 1 and the side wall mounting frame 2 are provided with mounting holes, mounting blocks 6 are fixedly arranged in the mounting holes, the mounting blocks 6 are fixed in the mounting holes through threaded connecting pieces, mounting through holes are formed in the mounting blocks 6, and the mounting through holes are used for being fixedly connected with the checking fixture.

As shown in fig. 2 and 3, the progressive mechanism 4 includes a hand wheel 41, a lead screw 42, a ball bearing seat 43, a connecting block 44 and a fine adjustment base 45, the connecting block 44 is fixedly arranged at the bottom of the side wall mounting frame 2, the ball bearing seat 43 is fixedly arranged on the connecting block 44, the hand wheel 41 is fixedly connected with the lead screw 42, the hand wheel 41 is rotatably connected with the ball bearing seat 43, the fine adjustment base 45 is fixedly arranged on the tooling base 1, a thread portion is arranged at the tail end of the lead screw 42, and the fine adjustment base 45 is provided with a threaded hole 451 matched with the thread portion 421. When the threaded portion 421 is inserted into the threaded hole 451, in the process of rotating the hand wheel 41, the threaded portion 421 is in threaded connection with the threaded hole 451, so that the connecting block 44 and the side wall mounting frame 2 are driven to perform fine adjustment movement.

The fine tuning base 45 is provided with a slot, a nut 452 is embedded in the slot and fixed, the threaded hole 451 is arranged on the nut 452, and the fine tuning base 45 is provided with a through hole corresponding to the threaded hole 451.

The progressive mechanism 4 is positioned in the middle of the side wall mounting frame 2 and the tooling base 1.

As shown in fig. 4, the fast-forward mechanism 3 includes a screw rod sliding table 31, a transverse moving platform 32 and a longitudinal beam 33, the transverse moving platform 32 is fixedly connected with the side wall mounting frame 2, the screw rod sliding table 31 is arranged on the tooling base 1, and the transverse moving platform 32 moves under the driving of the screw rod sliding table 31. The side edge of the longitudinal beam 33 is fixedly connected with the side wall mounting frame 2, and the bottom of the longitudinal beam is fixedly connected with the transverse moving platform 32.

As shown in fig. 4, the positioning mechanism 5 includes a positioning hole 51 disposed on the traverse platform 32, a positioning seat 52 fixedly disposed on the tooling base 1, and a positioning plug 53 engaged with the positioning hole 51, and the positioning seat 52 is provided with an insertion hole engaged with the positioning hole 51.

The detection process for the progressive tool for the side wall part of the white body main splicing PCF detection tool comprises the following steps:

a, mounting a checking fixture on a tooling base 1 and a side wall mounting frame 2;

b, placing and installing a lower body welding assembly on the tooling base 1, and placing and installing a side wall welding assembly on the side wall installation frame 2;

step c, the fast forward mechanism 3 drives the side wall mounting frame 2 and the side wall welding assembly to approach towards the lower vehicle body welding assembly;

d, when the side wall welding assembly is 20mm away from the lower body to be welded, inserting the threaded part 421 at the tail end of the screw rod 42 into the threaded hole 451 of the fine adjustment base 45, stopping the fast-forward mechanism 3, driving the side wall mounting frame 2 to be fine adjusted by using the progressive mechanism 4, rotating the hand wheel 41 to drive the screw rod 42 to rotate, realizing fine adjustment of the distance between the side wall welding assembly and the lower body welding assembly through threaded matching of the threaded part 421 and the threaded hole 451, and inserting a positioning pin to finish positioning when the side wall welding assembly is adjusted to a specified detection position;

and e, detecting the gap between the side wall welding assembly and the lower vehicle body welding assembly.

The side wall part can be finely adjusted by slow advancing when being 20mm away from the lower vehicle body welding assembly, the operation is convenient, the labor is saved, the side wall can be easily and quickly positioned by detection personnel, and in the assembling process, the detection tool for observing and preventing the collision injury caused by interference can be considered.

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, which indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention, and what is not described in detail in the present specification is prior art and is known to those skilled in the art.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.