CN216792120U

CN216792120U - Vehicle frame welding detection tool

Info

Publication number: CN216792120U
Application number: CN202123438115.3U
Authority: CN
Inventors: 孙国军
Original assignee: Cangzhou North Radiator Co ltd
Current assignee: Cangzhou North Radiator Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-21
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a frame welding detection tool, which comprises a platform, a rotary chuck, a pushing piece, an ultrasonic detection assembly and a clamping seat, wherein a bracket is arranged above the platform; the rotary chuck is rotationally connected to the bracket and is provided with a plurality of clamping jaws; the ultrasonic detection assembly comprises a lower pressing piece and an ultrasonic probe; the clamping seat is connected to the platform in a sliding manner and is provided with a clamping groove. According to the vehicle frame welding detection tool, the rotating chuck clamps the pipe joint, the pushing piece pushes the end of the pipe beam tightly, the pipe joint and the pipe beam are driven to rotate through the rotating driving piece, the lower pressing piece drives the ultrasonic probe to move downwards to detect the quality of a circumferential welding seam between the pipe beam and the pipe joint, then the pipe beam stops rotating, the clamping seat is moved to the outer side of the mounting seat, the angle of the pipe beam is manually finely adjusted, if the mounting seat and the two connecting plates can be attached to the clamping groove, the subsequent assembly requirements are met, otherwise, the mounting is carried out after correction is needed, and the assembly efficiency is improved.

Description

Vehicle frame welding detection tool

Technical Field

The utility model belongs to the technical field of detection tools, and particularly relates to a frame welding detection tool.

Background

With the rapid development of new energy automobiles, electric automobiles are more and more appeared in the lives of people. The electric automobile frame plays a very important role in use. In the existing processing technology, the structure of the frame is complex, and the welding procedure is mostly adopted for welding and assembling.

Present frame welding, need be at the tip welding coupling of tubular beams, and the mount pad that links to each other with vehicle structure at the middle part periphery welding of tubular beams, the both sides of mount pad are equipped with the connecting plate that links to each other in the automobile body, receive the influence of the manual operation precision of system, the junction of coupling and tubular beams leads to the fact easily because of the welding seam quality is poor to throw off, the mount pad still deforms easily when the welding in addition and makes the welding angle of connecting plate have the error, the problem needs the temporary correction in later stage assembling process, the big and easy assembly efficiency who influences the erection joint of the degree of difficulty of correction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a frame welding detection tool which can detect the welding quality of a frame and the welding precision of a mounting seat in time and is convenient for improving the subsequent assembly efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a frame welding detects frock, includes:

a support is arranged above the platform;

the rotary chuck is rotationally connected to the support, a plurality of clamping jaws capable of radially sliding to clamp the outer end of the pipe joint are arranged on the outer end face of the rotary chuck, and the rotary chuck is connected with a rotary driving piece;

the pushing piece is arranged on the platform and used for abutting against the outer end face of the tubular beam;

the ultrasonic detection assembly comprises a lower pressing piece capable of moving up and down and an ultrasonic probe which is arranged at the lower end of the lower pressing piece and is used for detecting a welding seam on the periphery of the tubular beam;

and the clamping seat is connected to the platform in a sliding manner and is provided with a clamping groove which is used for being attached to the outer wall of the mounting seat so as to detect the relative position of the mounting seat and the pipe beam in a welding manner.

In a possible implementation mode, the outer end face of the clamping jaw is provided with a step groove used for being matched with the end portion of the pipe beam in a clamping mode, and the step groove is provided with a flexible layer attached to the outer peripheral wall of the pipe joint.

In some embodiments, four jaws are provided, which are uniformly arranged in the circumferential direction of the spin chuck.

In a possible implementation manner, a sliding block is arranged on the bottom surface of the clamping seat, and a sliding groove in sliding fit with the sliding block is arranged on the top surface of the platform.

In some embodiments, sliding connection has the dipperstick on the lateral wall of block seat, and the dipperstick sets up along the horizontal direction, and can horizontal migration to the outer wall butt with the connecting plate.

In some embodiments, there are two measuring scales on the same sidewall of the block, the two measuring scales being disposed near the upper and lower portions of the block, respectively.

In a possible implementation mode, the lower extreme of holding down the piece is equipped with the connecting seat, and the connecting seat is equipped with the slide bar that has along upper and lower direction sliding connection on the connecting seat, is equipped with the downward slip chamber of opening on the connecting seat, and the bottom in slip chamber is equipped with spacing shrouding, and the slide bar runs through spacing shrouding setting, and the upper end of slide bar is equipped with the spacing end plate that is located the slip intracavity, and ultrasonic probe connects in the lower extreme of slide bar, is equipped with the elastic component that elasticity pushed away ultrasonic probe downwards between connecting seat and the ultrasonic probe.

In some embodiments, the elastic member is a compression spring sleeved on the periphery of the sliding rod, and the upper end of the elastic member abuts against the upper end and the lower end of the bottom surface of the connecting seat and abuts against the top surface of the ultrasonic probe.

In one possible implementation, the pushing member includes:

the pushing seat is connected to the platform in a sliding mode along the axial direction of the rotating chuck and locked to the platform through a locking piece;

the push rod is rotatably connected to the push seat, and the outer end of the push rod is provided with a push disc which is abutted against the end face of the tubular beam.

In some embodiments, the end face of the pushing disc is provided with a friction layer which is in contact fit with the tubular beam.

The shown scheme of this application embodiment, compared with the prior art, the frame welding that this application embodiment provided detects frock, the tight coupling of rotating chuck clamp, the tip of ejector sleeve roof, it is rotatory to drive coupling and tubular beams through the rotary driving spare, the holding down piece drives ultrasonic probe and moves down in order to detect the quality of circumference welding seam between tubular beams and the coupling, afterwards, the tubular beams stops to rotate, remove the outside of block seat to mount pad, the angle of manual fine setting tubular beams, if mount pad and connecting plate can effectively laminate with the block groove, then satisfy follow-up assembly requirement, otherwise need to rectify the back and install again, in order to improve assembly efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a frame welding detection tool provided in an embodiment of the present invention;

FIG. 2 is a schematic right-view structural diagram of the engaging seat in the use state of FIG. 1 according to the embodiment of the present invention;

FIG. 3 is an enlarged cross-sectional structural schematic view of the ultrasonic testing assembly of FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic right-view structural diagram of the engaging seat in the use state of FIG. 1 according to the embodiment of the present invention;

fig. 5 is a schematic right-view structural diagram of fig. 4 according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a platform; 11. a support; 12. a chute; 2. rotating the chuck; 21. a jaw; 22. a rotary drive member; 23. a step groove; 3. pushing the piece; 31. pushing the base; 32. pushing the push rod; 33. pushing the disc; 34. a locking member; 4. an ultrasonic detection assembly; 41. a push-down member; 42. an ultrasonic probe; 43. a connecting seat; 44. a slide bar; 45. a sliding cavity; 46. a limit closing plate; 47. a limiting end plate; 48. an elastic member; 5. a clamping seat; 51. a clamping groove; 52. a slider; 53. measuring a scale; 61. a tubular beam; 62. a mounting seat; 63. a connecting plate; 64. a pipe joint.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or several of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5, the frame welding detection tool of the present invention will now be described. The frame welding detection tool comprises a platform 1, a rotating chuck 2, a pushing piece 3, an ultrasonic detection assembly 4 and a clamping seat 5, wherein a support 11 is arranged above the platform 1; the rotary chuck 2 is rotationally connected to the bracket 11, a plurality of clamping jaws 21 capable of radially sliding to clamp the outer end of the pipe joint 64 are arranged on the outer end face of the rotary chuck 2, and the rotary chuck 2 is connected with a rotary driving piece 22; the pushing piece 3 is arranged on the platform 1 and used for abutting against the outer end face of the tubular beam 61; the ultrasonic detection assembly 4 comprises a lower pressing piece 41 capable of moving up and down and an ultrasonic probe 42 which is arranged at the lower end of the lower pressing piece 41 and is used for detecting a welding seam on the periphery of the tubular beam 61; the engaging seat 5 is slidably connected to the platform 1 and has an engaging groove 51 for fitting to an outer wall of the mounting seat 62 to detect a relative position where the mounting seat 62 is welded to the tubular beam 61.

It should be noted that, the above-mentioned tooling needs to detect the weld quality of the pipe joint 64 and the pipe beam 61 and the position accuracy of the mounting seat 62 welded to the outer periphery of the middle portion of the pipe beam 61, and the mounting seat 62 is attached to the outer wall of the pipe beam 61 and has the connecting plates 63 on both sides. The welding seam quality is detected through the ultrasonic detection assembly 4, the accuracy of the welding angle of the connecting plates 63 on the two sides of the mounting seat 62 is detected through the clamping seat 5, when the mounting seat 62 and one of the connecting plates 63 are attached to the clamping groove 51, if a gap exists between the other connecting plate 63 and the clamping groove 51, the welding size is proved to have an error, and the subsequent assembly precision is improved by performing correction and then assembling.

The frame welding that this embodiment provided detects frock, compared with the prior art, the frame welding that this embodiment provided detects frock, rotary chuck 2 presss from both sides tight coupling 64, the tip of pushing away piece 3 top tight tubular beam 61, it is rotatory to drive coupling 64 and tubular beam 61 through rotary driving piece 22, hold down 41 drives ultrasonic probe 42 and moves down in order to detect the quality of circumference welding seam between tubular beam 61 and the coupling 64, afterwards, tubular beam 61 stops to rotate, remove block 5 to the outside of mount pad 62, the angle of manual fine setting tubular beam 61, if mount pad 62 and connecting plate 63 can effectively laminate with block groove 51, then satisfy follow-up assembly requirement, otherwise need to rectify the back and install again, in order to improve assembly efficiency.

In some possible implementations, the above-mentioned characteristic jaws 21 adopt the structure shown in fig. 3. Referring to fig. 3, the outer end face of the jaw 21 is provided with a step groove 23 for snap-fitting with the end of the tubular beam 61, and the step groove 23 has a flexible layer attached to the outer peripheral wall of the pipe joint 64.

When the clamping jaw 21 is used for clamping the pipe joint 64, the stepped groove 23 formed in the end face of the clamping jaw 21 can be effectively clamped with the end portion of the pipe joint 64, the clamping jaw 21 slides to the position where the flexible layer is attached to the outer peripheral wall of the pipe joint 64 along the radial direction of the rotary chuck 2, the pipe joint 64 can be clamped in the circumferential direction, limitation of the axial position can be achieved, the rotary driving effect of the rotary driving piece 22 on the pipe joint 64 is guaranteed, and the ultrasonic probe 42 can be used for carrying out comprehensive detection on a weld seam in the circumferential direction. Wherein the flexible layer is configured to avoid scratching the surface of the coupling 64.

In some embodiments, the above-described feature pawl 21 is configured as shown in FIG. 5. Referring to fig. 5, the claws 21 are provided in four, and the four claws 21 are evenly arranged in the circumferential direction of the spin chuck 2.

In order to facilitate the arrangement of the clamping jaws 21, the four clamping jaws 21 are arranged, the included angle between every two adjacent clamping jaws 21 is 90 degrees, and the four clamping jaws 21 are arranged in pairs on the periphery of the pipe joint 64, so that the pipe joint 64 can be clamped relatively, and the stability of the circumferential position of the pipe joint 64 is ensured.

In some possible implementations, referring to fig. 1, the bottom surface of the engaging seat 5 is provided with a sliding block 52, and the top surface of the platform 1 is provided with a sliding groove 12 in sliding fit with the sliding block 52. The clamping seat 5 and the platform 1 are in sliding fit, and the sliding direction is perpendicular to the axial direction of the tubular beam 61. When the ultrasonic probe 42 is used for detecting circumferential weld joints of workpieces, the clamping seat 5 is located at a position far away from the pipe beam 61, after the circumferential weld joints are detected, the rotary driving piece 22 stops driving, at the moment, the sliding clamping seat 5 is close to the mounting seat 62, the pipe beam 61 is manually rotated to enable the clamping seat 5 to be attached to the outer wall of the mounting seat 62, and if a gap exists between one connecting plate 63 and the clamping groove 51 of the clamping seat 5, it is indicated that the connecting plate 63 needs to be adjusted to meet the subsequent assembly requirements.

In some embodiments, the above-described feature engaging seat 5 is configured as shown in fig. 2. Referring to fig. 2, a measuring ruler 53 is slidably connected to the side wall of the engaging seat 5, and the measuring ruler 53 is provided in the horizontal direction and can be horizontally moved to abut against the outer wall of the connecting plate 63.

When certain connecting plate 63 can not effectively laminate with the tank bottom wall of block groove 51, in order to measure the accurate size of above-mentioned deviation accurately, dipperstick 53 has been set up on the lateral wall of block seat 5, make the outer end of dipperstick 53 and the outer wall contact of connecting plate 63 through horizontal slip dipperstick 53, through reading the interval value between dipperstick 53 outer end to dipperstick 53 and the tank bottom wall of block groove 51, reach the dimensional value of required correction, be convenient for subsequent accurate adjustment, make it satisfy subsequent assembly demand.

In some embodiments, the above-described feature measurement ruler 53 is configured as shown in FIG. 2. Referring to fig. 2, two measuring scales 53 are provided on the same sidewall of the engaging seat 5, and the two measuring scales 53 are respectively provided near the upper portion and the lower portion of the engaging seat 5.

When the peripheral wall plate and one of the connection plates 63 are effectively fitted in the engagement groove 51, the fitting condition, that is, the gap width value, between the other connection plate 63 and the engagement groove 51 is detected. Two measuring scales 53 are provided on the side walls of the engaging seat 5, which are respectively located at the upper and lower portions, and when there is a gap between the upper connecting plate 63 and the bottom wall of the engaging groove 51, the upper measuring scale 53 measures the dimension, and when there is a gap between the lower connecting plate 63 and the bottom wall of the engaging groove 51, the lower measuring scale 53 measures the dimension.

In some possible implementations, referring to fig. 3, a connecting seat 43 is disposed at a lower end of the lower pressing member 41, a sliding rod 44 is slidably connected to the connecting seat 43 along an up-down direction, a sliding cavity 45 with a downward opening is disposed on the connecting seat 43, a limiting sealing plate 46 is disposed at a bottom of the sliding cavity 45, the sliding rod 44 is disposed through the limiting sealing plate 46, a limiting end plate 47 located in the sliding cavity 45 is disposed at an upper end of the sliding rod 44, the ultrasonic probe 42 is connected to a lower end of the sliding rod 44, and an elastic member 48 for elastically pushing the ultrasonic probe 42 downward is disposed between the connecting seat 43 and the ultrasonic probe 42.

The ultrasonic probe 42 is connected to the connecting seat 43 through the sliding rod 44 in a sliding manner, so that the ultrasonic probe 42 has displacement in the up-down direction, the limit sealing plate 46 seals the lower opening of the sliding cavity 45, the limit end plate 47 at the upper end of the sliding rod 44 is located in the sliding cavity 45, and the limit end plate 47 limits the downward sliding amount of the sliding rod 44 through the limit sealing plate 46. Elastic component 48 elasticity pushes away ultrasonic probe 42 downwards, makes ultrasonic probe 42 be close to the welding seam on the work piece periphery wall as far as possible, and when the welding seam was protruding to the periphery, ultrasonic probe 42 can adaptive upward shift, and elastic component 48 pressurized this moment makes ultrasonic probe 42 can effectually laminate on the welding seam, improves the precision that detects, avoids ultrasonic probe 42 impaired.

In some embodiments, the spring 48 is configured as shown in FIG. 3. Referring to fig. 3, the elastic member 48 is a compression spring sleeved on the outer periphery of the sliding rod 44, and the upper end of the elastic member 48 abuts against the upper end and the lower end of the bottom surface of the connecting seat 43 and abuts against the top surface of the ultrasonic probe 42.

The compression spring is sleeved on the periphery of the sliding rod 44, the sliding rod 44 can improve the stability of the axial position of the compression spring, the compression spring is prevented from being bent axially, and the elastic performance of the compression spring is guaranteed.

In some possible implementations, the above-described feature pusher 3 is structured as shown in fig. 1. Referring to fig. 1, the pushing member 3 includes a pushing seat 31 and a pushing rod 32, the pushing seat 31 is slidably connected to the platform 1 along the axial direction of the spin chuck 2, and is locked to the platform 1 by a locking member 34; the push rod 32 is rotatably connected to the push seat 31, and the outer end of the push rod 32 is provided with a push disc 33 abutting against the end face of the tubular beam 61.

The rotary chuck 2 utilizes the clamping jaw 21 to clamp one end of the tubular beam 61, the pushing piece 3 is connected on the platform 1 in a sliding mode, the pushing seat 31 is moved to drive the pushing rod 32 and the pushing disc 33 to be close to the other end of the tubular beam 61, and the tubular beam 61 is tightly pushed so as to guarantee the suspension state of the tubular beam 61. When the rotary driving member 22 drives one end of the tubular beam 61 to rotate, the pushing disc 33 and the pushing rod 32 at the other end can synchronously rotate under the driving of the tubular beam 61, so that the ultrasonic probe 42 can conveniently perform circumferential detection on a weld joint between the tubular beam 61 and the pipe joint 64.

On the basis, the end face of the pushing disc 33 is provided with a friction layer which is in contact fit with the tubular beam 61. The friction layer can increase the friction force between the end surface of the tubular beam 61 and the pushing disc 33, so that the tubular beam 61 is prevented from falling due to slipping between the end surface of the tubular beam 61 and the pushing disc 33, and the smooth detection process of the tubular beam 61 is ensured.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Frame welding detects frock, its characterized in that includes:

a support is arranged above the platform;

and the clamping seat is connected to the platform in a sliding manner and is provided with a clamping groove which is used for being attached to the outer wall of the mounting seat so as to detect the relative position between the mounting seat and the pipe beam in a welding manner.

2. The frame welding detection tool according to claim 1, wherein a step groove used for being matched with the end portion of the pipe beam in a clamping mode is formed in the outer end face of the clamping jaw, and the step groove is provided with a flexible layer attached to the outer peripheral wall of the pipe joint.

3. The frame welding detection tool of claim 2, wherein four jaws are arranged, and four jaws are uniformly distributed in the circumferential direction of the rotating chuck.

4. The vehicle frame welding detection tool according to claim 1, wherein a sliding block is arranged on the bottom surface of the clamping seat, and a sliding groove in sliding fit with the sliding block is arranged on the top surface of the platform.

5. The frame welding detection tool of claim 4, wherein a measuring ruler is connected to the side wall of the clamping seat in a sliding mode, and the measuring ruler is arranged in the horizontal direction and can move horizontally to abut against the outer wall of the connecting plate.

6. The frame welding detection tool of claim 5, wherein two measuring scales are arranged on the same side wall of the clamping seat, and the two measuring scales are respectively arranged close to the upper portion and the lower portion of the clamping seat.

7. The vehicle frame welding detection tool according to any one of claims 1 to 6, wherein a connecting seat is arranged at a lower end of the lower pressing member, the connecting seat is slidably connected with a sliding rod along an up-down direction, a sliding cavity with a downward opening is arranged on the connecting seat, a limiting sealing plate is arranged at the bottom of the sliding cavity, the sliding rod penetrates through the limiting sealing plate, a limiting end plate located in the sliding cavity is arranged at an upper end of the sliding rod, the ultrasonic probe is connected to a lower end of the sliding rod, and an elastic member for elastically pushing the ultrasonic probe downwards is arranged between the connecting seat and the ultrasonic probe.

8. The frame welding detection tool of claim 7, wherein the elastic member is a compression spring sleeved on the periphery of the sliding rod, and the upper end of the elastic member abuts against the upper end of the bottom surface of the connecting seat and the lower end of the elastic member abuts against the top surface of the ultrasonic probe.

9. The frame welding detection tool of any one of claims 1-6, wherein the pushing member comprises:

the pushing seat is connected to the platform in a sliding manner along the axial direction of the rotating chuck and is locked on the platform through a locking piece;

and the push rod is rotatably connected to the push seat, and the outer end of the push rod is provided with a push disc which is abutted against the end surface of the tubular beam.

10. The frame welding detection tool of claim 9, wherein a friction layer in contact fit with the tubular beam is arranged on an end face of the pushing disc.