CN213318599U

CN213318599U - Cab door frame welding tool

Info

Publication number: CN213318599U
Application number: CN202022098307.3U
Authority: CN
Inventors: 左朝辉
Original assignee: Henan Weijing New Energy Vehicle Co ltd
Current assignee: Henan Weijing New Energy Vehicle Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-01
Anticipated expiration: 2030-09-23

Abstract

The utility model provides a welding tool for a cab door frame, which relates to the technical field of welding tools for the door frame, and comprises a base and an inner limiting part, wherein all components of the door frame are arranged on the base, the shape of the inner limiting part is the same as that of the door between an outer frame of the door frame and a B column, and is slightly larger than the size of the door, in order to the frame, the B post forms the interior location with the equipment of connecting the floorbar, be provided with location structure on the base, interior locating part passes through location structure and installs in the base, the outside along interior locating part is provided with a plurality of movable locating parts on the base, movable locating part includes cam structure, cam structure forms outer location to the frame, if not carry on spacingly easily to each component parts in the door frame welding process among the solution prior art and appear welding quality poor, phenomenons such as welding dislocation, lead to manufacturing cost to increase, the problem that vehicle assembly precision and security are difficult to guarantee.

Description

Cab door frame welding tool

Technical Field

The utility model belongs to the technical field of door frame welding frock, specifically provide a driver's cabin door frame welding frock.

Background

The door frame is used as a key part of a cab, and the welding process of the door frame not only relates to the appearance of the whole automobile body, but also relates to the assembly precision and the sealing performance of the installation of the door of the cab. As shown in fig. 1, the door frame of the cab of the existing small-sized electric sanitation vehicle generally comprises an outer frame 1, a B column 2, a C column 3 and a connecting bottom beam 4, and these components are generally transported to a welding station for assembly welding after mass production, and due to the large size and relatively complex shape of the outer frame 1, slight deformation is easily generated during transportation. When the door frame welds, if not correcting and fixing frame 1, not spacing other component parts of door frame, the relatively poor problem of welding quality can appear, welding dislocation appears even, leads to the unable phenomenon of welding of executing in some position to take place, not only influences the assembly precision of door and other spare parts and the security of vehicle, still extravagant material, increases manufacturing cost.

Accordingly, there is a need in the art for a welding tool for a door frame of a cab to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a driver's cabin door frame welding frock if not carry out phenomenon such as poor, the welding dislocation of spacing easy appearance welding quality to each component part in the door frame welding process among the solution prior art, lead to manufacturing cost to increase, the problem that vehicle assembly precision and security are difficult to the assurance.

The technical scheme of the utility model is realized like this: the utility model provides a driver's cabin door frame welding frock includes base and interior locating part, the base is used for placing the door frame, the shape of interior locating part is the same with the frame of door frame and the shape of the door between the B post for to the equipment of frame, B post and connection floorbar form the location in, be provided with location structure on the base, interior locating part passes through location structure install in the base, follow on the base the outside of interior locating part is provided with a plurality of movable locating parts, the activity locating part includes cam structure, cam structure is used for forming outer location to the frame.

The technical effect of the scheme is as follows: the inner limiting piece is arranged to form inner positioning for the outer frame, the movable limiting piece is arranged to form outer positioning for the outer frame, when the outer frame is placed, one end with a smaller radius of the cam structure is turned to the inner limiting piece, so that a gap between the cam structure and the inner limiting piece is larger, and a space is provided for placing and adjusting the outer frame; when the outer frame is fixedly limited, the inner limiting piece is kept still under the action of the positioning structure, and one end with larger radius of the cam structure is turned to the inner limiting piece, so that the cam structure extrudes the outer side of the outer frame, on one hand, the outer frame is fixedly limited, on the other hand, the outer frame is corrected when the outer frame is extruded towards the inner limiting piece, and the welding quality among all assembly parts is prevented from being influenced by the movement and deformation of the outer frame; in addition, as the shape of the inner limiting piece is the same as that of the vehicle door, after the outer frame is fixed, the B column and the connecting bottom beam are directly abutted against the corresponding side edges of the inner limiting piece, and the positioning inside the B column and the connecting bottom beam can be completed; because the both ends of C post are connected with the frame respectively with being connected the floorbar, accomplish spacing at the frame with connecting the floorbar, directly support the C post by the frame with connect the tip of floorbar can, guarantee the accurate cooperation between each component from this in welding process, avoid appearing welding dislocation, welding quality subalternation phenomenon, improve vehicle assembly precision and security, improve one shot forming success rate, reduce manufacturing cost.

In the preferable technical scheme of above-mentioned driver's cabin door frame welding frock, be provided with two at least fixed locating parts that are used for spacing C post on the base, the line between the fixed locating part is on a parallel with interior locating part is used for one side of spacing B post.

The technical effect of the scheme is as follows: through setting up fixed locating part, make the C post support and lean on the lateral wall of fixing the locating part to put, can guarantee the accurate alignment of C post and frame and connection floorbar tip, when welding the C post, can rely on fixed locating part to fix a position the C post simultaneously, prevent the skew welding position of C post.

In the preferable technical scheme of the welding tool for the cab door frame, the movable limiting part comprises a handle, the cam structure is an eccentric wheel, the eccentric wheel is in pivot connection with the base, and a connecting hole for inserting the handle is formed in the side wall of the eccentric wheel.

The technical effect of the scheme is as follows: through setting up the handle, when needs fix a position the frame, directly insert the handle in the connecting hole in the eccentric wheel with the eccentric wheel around its pivotal axis with the base rotation can, both convenient and laborsaving.

In the preferred technical scheme of above-mentioned driver's cabin door frame welding frock, location structure is the guide post, be provided with two guide posts on the base, set up on the interior locating part with the guiding hole of guide post adaptation, interior locating part is located through its guiding hole cover the mode in the guide post outside install in the base.

The technical effect of the scheme is as follows: through the cooperation of guide post and guiding hole, be favorable to interior locating part and the installation and the dismantlement of base, carry out accurate location to interior locating part simultaneously, when guaranteeing that movable locating part extrudees the correction to the frame and fixes a position, interior locating part keeps the normal position.

In the preferable technical scheme of the welding tool for the cab door frame, the upper end face of the inner limiting part is provided with a hanging ring.

The technical effect of the scheme is as follows: after each component welding of door frame is accomplished, for convenient door frame takes off from the base, can upwards lift by crane the interior locating part through rings and leave the base, be difficult for taking place to collide with when taking off the door frame like this.

In the above-mentioned welding tool for the door frame of the cab, in a preferred technical scheme, the inner limiting member is a plate-shaped structure.

The technical effect of the scheme is as follows: the inner limiting part is arranged to be of the plate-shaped structure, so that the strength of the inner limiting part is enhanced, and the reliability of the inner limiting part and the movable limiting part in positioning and correcting the outer frame is improved.

Drawings

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

FIG. 1 is a schematic view of a prior art cab door frame;

FIG. 2 is a schematic view of the welding tool for the door frame of the cab of the present invention;

fig. 3 is a schematic view of an inner limiting member of the welding tool for the door frame of the cab of the present invention;

fig. 4 is a top view of a movable position limiting member of the welding tool for the door frame of the cab;

fig. 5 is a sectional view of section a-a in fig. 4.

List of reference numerals: 1. an outer frame; 2. a column B; 3. c column; 4. connecting the bottom beam; 5. a base; 51. a positioning structure; 511. a guide post; 52. a movable limiting part; 521. a handle; 522. an eccentric wheel; 523. connecting holes; 53. fixing a limiting part; 6. an inner limit piece; 61. a hoisting ring; 62. and (4) a guide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model discloses a cab door frame welding frock's concrete embodiment:

as shown in fig. 2 and 3, a welding fixture for a door frame of a cab includes a base 5 and an inner stopper 6, and each component of the door frame is placed on the base 5. The shape of the inner limiting piece 6 is the same as that of the vehicle door between the outer frame 1 and the B column 2 of the vehicle door frame and is slightly larger than the size of the vehicle door so as to form inner positioning for the assembly of the outer frame 1, the B column 2 and the connecting bottom beam 4. The base 5 is provided with a positioning structure 51, and the inner limiting member 6 is mounted on the base 5 through the positioning structure 51. A plurality of movable limiting parts 52 are arranged on the base 5 along the outer side of the inner limiting part 6, and each movable limiting part 52 comprises a cam structure which can be used for forming outer positioning for the outer frame 1.

Continuing to refer to fig. 2, the base 5 is provided with two fixed position-limiting members 53 for limiting the C-pillar 3, and a connecting line between the fixed position-limiting members 53 is parallel to the inner position-limiting member 6 for limiting one side of the B-pillar 2. As an example, the fixed limiting member 53 is a limiting member, and is disposed on one side of the C-pillar 3 near the inner limiting member 6, and the two limiting members respectively abut against the outer frame 1 and the connecting bottom beam 4 near the end. Make C post 3 support and lean on the lateral wall of fixing locating part 53 and put, guarantee the accurate alignment of C post 3 and frame 1 and connection floorbar 4 tip.

As shown in fig. 2 and 4, the movable limiting member 52 includes a handle 521, the cam is an eccentric wheel 522, the eccentric wheel 522 is pivotally connected to the base 5, and a connecting hole 523 for inserting the handle 521 is formed in a side wall of the eccentric wheel 522. When the outer frame 1 needs to be positioned, the handle 521 is directly inserted into the connecting hole 523 of the eccentric wheel 522, and the eccentric wheel 522 is rotated around the pivot shaft between the eccentric wheel 522 and the base 5 to clamp the outer frame 1, so that the convenience and the labor saving are realized.

Referring to fig. 2 and 3 again, the inner limiting member 6 is a plate-shaped structure, and a hanging ring 61 is disposed on an upper end surface of the inner limiting member 6. The positioning structure 51 is a guide post 511, two guide posts 511 are arranged on the base 5, a guide hole 62 adapted to the guide post 511 is formed in the inner limiting member 6, and the inner limiting member 6 is mounted on the base 5 in a manner that the guide hole 62 is sleeved on the outer side of the guide post 511. After the welding of the components of the door frame is completed, the inner stopper 6 may be lifted upward away from the base 5 by the hanging ring 61 in order to facilitate the removal of the door frame from the base 5.

The cab door frame welding tool of the embodiment has the following specific using process: placing an outer frame 1 along one side of an eccentric wheel 522, which faces an inner limiting piece 6, hoisting the inner limiting piece 6 to the upper side of a base 5, aligning a guide hole 62 on the inner limiting piece 6 with a guide post 511 on the base 5, then dropping the inner limiting piece 6 to the edge placed on the inner side of the outer frame 1, inserting a handle 521 into a connecting hole 523 of the eccentric wheel 522, rotating one side of the eccentric wheel 522 with a larger radius to the inner limiting piece 6, matching with the inner limiting piece 6 to fix the outer frame 1, then correspondingly placing a B column 2 and a connecting bottom beam 4 along other sides of the inner limiting piece 6, placing a C column 3 along the side walls of the two limiting pieces, respectively attaching two ends of the C column 3 with the end parts of the outer frame 1 and the connecting bottom beam 4, finishing placing of each component part of a car door frame, and then welding; after the welding is completed, the side with the larger radius of the eccentric wheel 522 is rotated away from the inner limiting piece 6 through the handle 521, then the inner limiting piece 6 is lifted upwards away from the base 5 along the guide column 511 through the hanging ring 61, and finally the welded door frame is taken out.

In the welding process, the three parts can be further limited at one side of the B column 2, the C column 3 and the connecting bottom beam 4, which is far away from the inner limiting part 6, by manpower, for example, the B column 2, the C column 3 and the connecting bottom beam 4 are pushed by hands or feet towards the inner limiting part 6; or in other embodiments, the movable limiting part 52 may also be disposed on the B-pillar 2, the C-pillar 3 and one side of the connecting bottom beam 4 away from the inner limiting part 6, so that the movable limiting part 52 limits the side of the B-pillar 2, the C-pillar 3 and one side of the connecting bottom beam 4 away from the inner limiting part 6.

The utility model discloses a driver's cabin door frame welding frock forms interior location to frame 1 through setting up interior locating part 6, forms external location to frame 1 through activity locating part 52, realizes the fixed spacing to frame 1 on the one hand, and on the other hand forms the correction to frame 1 when extrudeing frame 1 towards interior locating part 6, avoids influencing the welding quality between each equipment part because of the activity and the deformation of frame 1; in addition, as the shape of the inner limiting piece 6 is the same as that of the vehicle door, after the outer frame 1 is fixed, the B column 2 and the connecting bottom beam 4 are directly abutted against the corresponding side edges of the inner limiting piece 6, and the positioning inside the B column 2 and the connecting bottom beam 4 can be completed; because the both ends of C post 3 are connected with frame 1 and connection floorbar 4 respectively, accomplish spacingly at frame 1 and connection floorbar 4, directly support the C post 3 by frame 1 with connect the tip of floorbar 4 can, guarantee the accurate cooperation between each component from this in welding process, avoid appearing welding dislocation, welding quality subalternation phenomenon, improve vehicle assembly accuracy and security, improve the one shot forming success rate, reduce manufacturing cost.

It should be understood that, although two fixed limiting members are provided in the above embodiments, and the fixed limiting members are limiting members, this is not a limitation on the number and structure of the fixed limiting members, for example, in other embodiments, three, four, five fixed limiting members may also be provided, and the fixed limiting members may also be provided as limiting posts, etc.

It will be appreciated that although the cam structure described in the above embodiments is an eccentric, this is not a limitation on the cam structure, for example, in other embodiments, the cam structure may also be configured as a cam; it is further understood that the above embodiments of the movable limiting member include a handle, and the handle is inserted into the connecting hole of the eccentric wheel to rotate the eccentric wheel, which is also only an embodiment, for example, in other embodiments, it may be further configured that the movable limiting member includes a driving motor, and the driving motor drives the eccentric wheel to rotate.

It is understood that, although the positioning structure is the guiding post and the inner limiting plate is provided with the guiding hole in the above embodiments, this is not a limitation on the positioning structure, for example, in other embodiments, the positioning structure may also be provided with the guiding hole and the inner limiting plate is provided with the guiding post; or the positioning structure is a bolt, through holes are formed in the corresponding positions of the inner limiting plate and the base, and the bolt penetrates through the through holes in the inner limiting plate and the base and is tightly connected with the nut.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a driver's cabin door frame welding frock, its characterized in that, includes base and interior locating part, the base is used for placing the door frame, the shape of interior locating part is the same with the frame of door frame and the shape of the door between the B post for to frame, B post and the equipment of connecting the floorbar form the interior location, be provided with location structure on the base, interior locating part passes through location structure install in the base, follow on the base the outside of interior locating part is provided with a plurality of movable locating parts, movable locating part includes the cam structure, the cam structure is used for forming outer location to the frame.

2. The cab door frame welding tool according to claim 1, wherein at least two fixed limiting parts for limiting the C-pillar are arranged on the base, and a connecting line between the fixed limiting parts is parallel to one side of the inner limiting part for limiting the B-pillar.

3. The cab vehicle door frame welding tool according to claim 1 or 2, wherein the movable limiting member includes a handle, the cam structure is an eccentric wheel, the eccentric wheel is pivotally connected to the base, and a connecting hole into which the handle is inserted is formed in a side wall of the eccentric wheel.

4. The cab door frame welding tool according to claim 1 or 2, wherein the positioning structure is a guide post, the base is provided with two guide posts, the inner limiting member is provided with a guide hole adapted to the guide post, and the inner limiting member is mounted on the base in a manner that the guide hole is sleeved on the outer side of the guide post.

5. The cab door frame welding tool according to claim 1 or 2, wherein a hanging ring is arranged on an upper end face of the inner limiting member.

6. The cab door frame welding tool according to claim 1 or 2, wherein the inner stopper is a plate-shaped structure.