CN219005865U

CN219005865U - Tool for assembling automobile door hinge

Info

Publication number: CN219005865U
Application number: CN202223603822.8U
Authority: CN
Inventors: 李君成
Original assignee: Shanghai Tongfu Mechanical Equipment Co ltd
Current assignee: Shanghai Tongfu Mechanical Equipment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a tool for assembling a hinge of an automobile door, which is matched with a hinge and a frame for use, wherein the tool comprises a frame, a positioning system for realizing the positioning of the tool on the frame is arranged on the frame, a clamping system for fixing the tool on the frame, and a plurality of hinge positioning devices for assembling and positioning the hinge and a hinge mounting position on the frame; the hinge positioning device comprises a hinge clamping mechanism for positioning and clamping the hinge and a position adjusting mechanism for adjusting the position relation between the hinge and the frame, and the hinge clamping mechanism is connected with the frame through the position adjusting mechanism; through the cooperation of positioning system, clamping system, hinge positioner, realized the accurate positioning of hinge and frame, improved the installation effectiveness, installation accuracy and the assembly uniformity of the hinge of car door greatly.

Description

Tool for assembling automobile door hinge

Technical Field

The utility model relates to the field of automobile manufacturing, in particular to a tool for assembling an automobile door hinge.

Background

In the process of assembling an automobile, the automobile door is generally connected to the frame through two hinges, and before the automobile door is installed, the hinges are required to be installed on the frame manually. In the prior art, the automobile hinge is required to be positioned before being installed, then the automobile hinge is connected through a fastener, in the positioning process, two persons are required to assist in positioning and fastening connection for realizing high-precision assembly due to large size and heavy weight of the automobile door, the installation mode is time-consuming and labor-consuming, the efficiency is low, the manual assembly precision is low, and consistency is difficult to ensure, so that the problem to be solved in the industry is urgent for improving the assembly efficiency and the assembly precision of the automobile door hinge by designing a tool for assembling the hinge on the automobile frame.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to a tool for assembling a door hinge of an automobile, which is used for solving the problems of time and effort consuming, low efficiency, low assembly precision and difficulty in ensuring consistency in manual assembly of a door hinge of an automobile in the prior art.

To achieve the above and other related objects, the present utility model provides a tool for assembling a door hinge of an automobile, for use with a hinge and a frame, wherein the hinge includes a first hinge member connected to the frame and a second hinge member connected to a door, and hinge ends of the first hinge member and the second hinge member are hinged by a hinge shaft; the fixture comprises a frame, wherein a positioning system for positioning the fixture on a frame is arranged on the frame, a clamping system for fixing the fixture on the frame, and a plurality of hinge positioning devices for assembling and positioning a hinge and a hinge mounting position on the frame; the positioning system comprises a plurality of limiting guide plates used for roughly positioning the tool and a front door frame of the frame, and a plurality of positioning pins used for accurately positioning the tool and the frame; the clamping system comprises a plurality of clamping devices for clamping the front door frame; the hinge positioning device comprises a hinge clamping mechanism for positioning and clamping a hinge and a position adjusting mechanism for adjusting the position relation between the hinge and the frame, and the hinge clamping mechanism is connected with the frame through the position adjusting mechanism.

In the design, the accurate positioning of the hinge and the frame is realized through the matching of the positioning system, the clamping system and the hinge positioning device, and the installation efficiency and the installation precision of the hinge of the automobile door are greatly improved; under the assistance of the tool, a single staff can realize efficient and high-precision assembly of the hinge and the frame, and the consistency of hinge assembly can be realized due to stable cooperation of the positioning system, the clamping system and the hinge positioning device.

In an embodiment of the utility model, the position adjusting mechanism comprises a sliding component for enabling a hinge to be close to or far from the hinge mounting position and a swinging component for enabling the hinge to pitch and adjust, wherein the swinging component is in sliding connection with the rack through the sliding component; the hinge clamping mechanism is connected with the swinging component.

In an embodiment of the utility model, the sliding component comprises a first connecting piece, a sliding block and a limiting component; the first connecting piece is fixedly arranged on the frame, the sliding block is in sliding connection with the first connecting piece, and the sliding block is in elastic connection with the limiting assembly.

In the design scheme of the sliding assembly, through the cooperation of the sliding assembly, the first connecting piece, the sliding block, the limiting assembly and the first spring assembly, the front-back direction self-adaptive adjustment of the position adjusting mechanism is realized.

In an embodiment of the utility model, the swinging component comprises a fixing piece and a swinging piece, the fixing piece is fixedly connected with the sliding block through a second connecting piece, the middle part of the swinging piece is rotationally connected with the fixing piece, one end of the swinging piece, which is close to the frame, is provided with the hinge clamping mechanism, and one end of the swinging piece, which is far away from the frame, is movably connected with the fixing piece through a spring component.

In the design scheme of the swing assembly, the self-adaptive adjustment of the pitching angle of the position adjusting mechanism is realized through the cooperation of the fixing piece, the swing piece and the spring assembly.

In an embodiment of the utility model, the hinge clamping mechanism comprises a clamping seat for limiting the hinged end of the hinge, an arch clamp for clamping the second hinge part of the hinge in a matched manner with the swinging part, and a first driving device for driving the arch clamp to move vertically to the swinging part; the bow-shaped clamp is in sliding connection with the swinging piece, the first driving device is arranged on the side face of the swinging piece, the bow-shaped clamp is driven by the first driving device to move perpendicular to the swinging piece, and two chucks at the free end of the bow-shaped clamp are matched with the swinging piece to clamp or loosen the two ends of the second hinging piece.

In an embodiment of the utility model, the hinge clamping mechanism further includes a hinge positioning mechanism, the hinge positioning mechanism includes a positioning inserting rod set and a second driving device, wherein the positioning inserting rod set is in plug-in fit with the mounting hole of the second hinge under the driving of the second driving device.

In the design, the hinge is positioned on the hinge positioning device through the cooperation of the positioning inserted rod group and the second driving device.

In an embodiment of the present utility model, two hinge positioning devices are respectively installed at two ends of the frame, and are respectively used for positioning two front door hinges and two rear door hinges; in an embodiment of the utility model, two ends of the frame are respectively provided with a pressing component for pressing the first hinge piece of the hinge to the hinge installation position; the pressing assembly comprises two pressing heads and a third driving device for driving the two pressing heads to press the first hinge piece simultaneously.

As described above, the tooling for assembling the automobile door hinge has the following beneficial effects: the accurate positioning of the hinge and the frame is realized through the matching of the positioning system, the clamping system and the hinge positioning device, and the installation efficiency and the installation precision of the hinge of the automobile door are greatly improved; under the assistance of the tool, a single staff can realize efficient and high-precision assembly of the hinge and the frame, and the consistency of hinge assembly can be realized due to stable cooperation of the positioning system, the clamping system and the hinge positioning device.

Drawings

FIG. 1 is a schematic view showing an assembly of a frame and a hinge according to an embodiment of the present utility model;

FIG. 2 shows an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a schematic view showing the overall structure of a tooling for assembling a door hinge of an automobile according to an embodiment of the utility model;

FIG. 5 is an exploded view of a portion of the tooling for automotive door hinge assembly of FIG. 4;

FIG. 6 is an enlarged view of FIG. 5 at C;

FIG. 7 is a schematic view of a hinge positioning device;

FIG. 8 is a schematic view of the direction A in FIG. 7;

FIG. 9 is a schematic view of the B-direction diagram of FIG. 7;

fig. 10 shows a cross-sectional view at A-A in fig. 9.

Description of element reference numerals

Hinge 1, frame 2, first hinge member 3, second hinge member 4, hinge end 5, hinge shaft 6, frame 7, hinge mounting position 8, hinge positioning device 9, limit guide plate 10, front door frame 11, positioning pin 12, positioning pin hole 13, metal frame 14, mounting plate 15, clamping device 16, l-shaped limiting member 17, adjusting bolt 18, square pad 19, fastening bolt 20,

the first connecting piece 23, the sliding block 24, the limiting component 25, the spring component 26, the guide rod 27, the clamping seat 28, the fixing piece 29, the swinging piece 30, the second connecting piece 31, the bow clamp 33, the first driving device 34, the clamping head 35, the second driving device 38, the mounting hole 39, the supporting piece 40, the positioning inserting rod 41, the third connecting piece 42, the extension assisting spring 43 and the limiting step 44,

front door hinge 45, rear door hinge 46, ram 48, third drive 49, and linkage 50.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 10. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1-6, the present embodiment provides a tool for assembling a door hinge of an automobile, and the tool is used in cooperation with a hinge 1 and a frame 2, wherein the hinge 1 includes a first hinge member 3 connected with the frame 2 and a second hinge member 4 connected with the door, and hinge ends 5 of the first hinge member 3 and the second hinge member 4 are hinged through a hinge shaft 6;

the tool comprises a frame 7, wherein a positioning system for positioning the tool on the frame 2 is arranged on the frame 7, a clamping system for fixing the tool on the frame 2, and four hinge positioning devices 9 for assembling and positioning the hinge 1 and a hinge mounting position 8 on the frame 2;

the positioning system comprises three limiting guide plates 10 for roughly positioning the tool and a front door frame 11 of the frame 2, and two positioning pins 12 for precisely positioning the tool and the frame 2; wherein, three limit guide plates 10 are respectively matched with the bottom and the left side and the right side of the front door frame 11 in a supporting way; the two locating pins 12 are respectively and fixedly arranged at two ends of the frame 7 and are in plug-in fit with the locating pin holes 13 on the frame 2.

The clamping system comprises three clamping means 16 for clamping the front door frame 11; the clamping device 16 adopts a pneumatic clamp in the prior art, the structure of which is well known to those skilled in the art, and the number of the clamping devices 16 can be set according to the clamping requirement.

The hinge positioning device 9 includes a hinge clamping mechanism for positioning and clamping the hinge 1 and a position adjusting mechanism for adjusting the positional relationship between the hinge 1 and the frame 2, and the hinge clamping mechanism is connected with the frame 7 through the position adjusting mechanism.

Further, the plurality of racks 7 comprise a metal frame 14 and a mounting plate 15, the mounting plate 15 is connected with the metal frame 14 through two position adjusting components with the same structure, and the position adjusting components comprise an L-shaped limiting piece 17, two adjusting bolts 18, a square cushion block 19 and a fastening bolt 20; wherein, the two ends of the mounting plate 15 are connected with the metal frame 14 through two fastening bolts 20, and when in connection, the fastening bolts 20 penetrate through the square cushion 19 and are connected with the metal frame 14; the L-shaped limiting part 17 is fixedly connected with the mounting plate 15 through bolts, the right-angle edges on the inner side of the L-shaped limiting part are matched with the two adjacent right-angle edges of the square cushion block 19, the two adjusting bolts 18 are respectively perpendicular to the adjacent side faces of the square cushion block 19, the straight supporting fastening bolts 20 are inserted from the outer side of the L-shaped limiting part in a penetrating mode, the two adjusting bolts 18 are in threaded connection with the L-shaped limiting part, and in the debugging stage of the tool, the relative positions of the mounting plate 15 and the frame can be adjusted in a personalized mode through rotating the two fastening bolts 20, so that target mounting accuracy is achieved.

In the design, through the cooperation of the positioning system, the clamping system and the hinge positioning device 9, the accurate positioning of the hinge 1 and the frame 2 is realized, and the installation efficiency and the installation accuracy of the hinge 1 of the automobile door are greatly improved.

Referring to fig. 7-10, in the present embodiment, the position adjusting mechanism includes a sliding component for enabling the hinge 1 to approach or depart from the hinge mounting position 8, and a swinging component for enabling the hinge 1 to pitch, wherein the swinging component is slidably connected with the frame 7 through the sliding component; the hinge clamping mechanism is connected with the swinging component.

In this embodiment, the sliding assembly includes a first connector 23, a slider 24, and a spacing assembly 25; the first connecting piece 23 is fixedly installed on the frame 7, the sliding block 24 is slidably connected with the first connecting piece 23 through a guide rail, and the sliding block 24 is elastically connected with the limiting assembly 25.

Further, the limiting assembly 25 comprises a first limiting piece and a second limiting piece which are arranged on the front side and the rear side of the sliding block 24, the rear end of the sliding block 24 is connected with the second limiting piece through a spring assembly 26, the spring assembly 26 comprises a guide rod 27 and a first spring sleeved on the guide rod 27, one end of the guide rod 27 is in sliding connection with a guide hole on the sliding block 24, the other end of the guide rod 27 is connected with the second limiting piece, and the first spring is supported between the rear end face of the sliding block 24 and the second limiting piece.

In the design scheme of the sliding assembly, the sliding assembly is matched with the first connecting piece 23, the sliding block 24, the limiting assembly 25 and the first spring assembly 26, so that the front-back direction self-adaptive adjustment of the position adjusting mechanism is realized.

In this embodiment, the swinging component includes a fixing member 29 and a swinging member 30, the fixing member 29 is fixedly connected with the slider 24 through a second connecting member 31, the middle part of the swinging member 30 is rotationally connected with the fixing member 29, a hinge clamping mechanism is installed at one end of the swinging member 30 close to the frame 2, and one end of the swinging member 30 far away from the frame 2 is movably connected with the fixing member 29 through a spring component 26.

In the design scheme of the swinging assembly, the self-adaptive adjustment of the pitching angle of the position adjusting mechanism is realized through the cooperation of the fixing piece 29, the swinging piece 30 and the spring assembly 26.

In this embodiment, the hinge clamping mechanism comprises a clamping seat 28 for limiting the hinged end 5 of the hinge 1, an arcuate clamp 33 for clamping the second hinge part 4 of the hinge 1 in cooperation with the swinging member 30, and a first driving device 34 for driving the arcuate clamp 33 to move perpendicularly to the swinging member 30;

the bow clamp 33 is slidably connected with the swinging member 30, the first driving device 34 is mounted on the side surface of the swinging member 30, the bow clamp 33 is driven by the first driving device 34 to move vertically to the swinging member 30, and two clamping heads 35 at the free ends of the bow clamp are matched with the swinging member 30 to clamp or loosen the two ends of the second hinge member 4.

In this embodiment, the hinge clamping mechanism further includes a hinge 1 positioning mechanism, where the hinge 1 positioning mechanism includes a positioning inserting rod 41 set and a second driving device 38, and the positioning inserting rod 41 set is driven by the second driving device 38 to be in plug-in fit with the mounting hole 39 of the second hinge member 4.

Further, the second driving device 38 is connected to the swinging member 30 through a supporting member 40, and the positioning inserting rod 41 set includes two positioning inserting rods 41 and a third connecting member 42; wherein, two positioning inserted bars 41 are arranged in parallel with each other and are in driving connection with a third cylinder through a third connecting piece 42, the two positioning inserted bars 41 are in sliding connection with the bow-shaped piece, an extension-assisting spring 43 is sleeved on the positioning inserted bars 41, and the extension-assisting spring 43 is positioned between the bow-shaped piece and a limiting step 44 in the middle of the positioning inserted bar 41; the stopper step 44 cooperates with the swinging member 30 to restrict the protruding length of the positioning plunger 41.

In the above design, the positioning of the hinge 1 on the hinge positioning device 9 is realized through the cooperation of the positioning inserting rod 41 group and the second driving device 38.

Referring to fig. 1 and fig. 4-10, in the present embodiment, two hinge positioning devices 9 are respectively installed at two ends of the frame 7, and are respectively used for positioning two front door hinges 45 and two rear door hinges 46;

in the embodiment, the two ends of the frame 7 are respectively provided with a pressing component for pressing the first hinging piece 3 of the hinge 1 at the hinge installation position 8; the pressing assembly comprises two pressing heads 48 and third driving means 49 for simultaneously driving the two pressing heads 48 to press the first articulation 3. The third driving device 49 drives the two pressure heads 48 synchronously by two link mechanisms 50 to press the first hinging piece 3 of the hinge 1.

In this embodiment, the first driving device 34, the second driving device 38 and the third driving device 49 all adopt driving cylinders, and control trigger buttons of the three driving devices are arranged on the frame 7, so that the operation of operators is convenient.

Working principle: in the initial state, the positioning plunger 41 of the hinge positioning device 9 is in the retracted state, and the collet 35 of the clip 33 is away from the swinging member 30; after the device is started, the second driving device 38 acts to drive the positioning inserting rod 41 to eject out from one side of the swinging piece 30, the second hinging pieces 4 of the four hinges 1 are correspondingly arranged on the hinge positioning device 9, the hinging ends 5 of the hinges 1 are clamped in the clamping seats 28, meanwhile, the mounting holes 39 of the second hinging pieces 4 are matched and positioned with the positioning inserting rod 41, the second driving device 38 is controlled to act, and the bow-shaped piece is matched with the swinging piece 30 to clamp the second hinging pieces 4 under the driving of the second driving device 38. After the four hinges 1 are installed, an operator realizes the positioning of the frame 7 and the front frame through three limiting guide plates 10 and two positioning pins 12 in the positioning system, and after the positioning is finished, the clamping system is controlled to act, and the three clamping devices 16 clamp the edge of the front frame 11; the third driving means 49 are controlled to act to press the first hinge part 3 of the hinge 1 against the hinge mounting position 8 on the frame 2. After the positioning is finished, an operator uses a hand-held screw locking machine to install bolts for connecting the frame 2 and the hinge 1, so that the positioning and the installation of the hinge 1 on the frame 2 are finished.

In summary, the utility model realizes the accurate positioning of the hinge and the frame through the matching of the positioning system, the clamping system and the hinge positioning device, and greatly improves the installation efficiency and the installation precision of the hinge of the automobile door. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A tool for assembling an automobile door hinge, which is matched with a hinge and a frame for use, wherein the hinge comprises a first hinge piece connected with the frame and a second hinge piece connected with an automobile door, and the hinge ends of the first hinge piece and the second hinge piece are hinged through a hinge shaft;

the fixture is characterized by comprising a frame, wherein a positioning system for positioning the fixture on a frame is arranged on the frame, a clamping system for fixing the fixture on the frame, and a plurality of hinge positioning devices for assembling and positioning the hinge and a hinge mounting position on the frame;

the positioning system comprises a plurality of limiting guide plates used for roughly positioning the tool and a front door frame of the frame, and a plurality of positioning pins used for accurately positioning the tool and the frame;

the clamping system comprises a plurality of clamping devices for clamping the front door frame;

the hinge positioning device comprises a hinge clamping mechanism for positioning and clamping a hinge and a position adjusting mechanism for adjusting the position relation between the hinge and the frame, and the hinge clamping mechanism is connected with the frame through the position adjusting mechanism.

2. The tooling for automobile door hinge assembly of claim 1, wherein: the position adjusting mechanism comprises a sliding component for realizing that a hinge is close to or far from the hinge mounting position and a swinging component for realizing the hinge pitching adjustment, wherein the swinging component is in sliding connection with the rack through the sliding component; the hinge clamping mechanism is connected with the swinging component.

3. The tooling for automobile door hinge assembly of claim 2, wherein: the sliding component comprises a first connecting piece, a sliding block and a limiting component; the first connecting piece is fixedly arranged on the frame, the sliding block is in sliding connection with the first connecting piece, and the sliding block is in elastic connection with the limiting assembly.

4. A tooling for automotive door hinge assembly as set forth in claim 3, wherein: the swing assembly comprises a fixing piece and a swing piece, the fixing piece is fixedly connected with the sliding block through a second connecting piece, the middle of the swing piece is rotationally connected with the fixing piece, one end, close to the frame, of the swing piece is provided with the hinge clamping mechanism, and one end, far away from the frame, of the swing piece is movably connected with the fixing piece through a spring assembly.

5. The tooling for automobile door hinge assembly of claim 4, wherein: the hinge clamping mechanism comprises a clamping seat for limiting the hinged end of the hinge, an arch clamp for clamping a second hinge part of the hinge in a matched manner with the swinging part, and a first driving device for driving the arch clamp to move vertically to the swinging part;

the bow-shaped clamp is in sliding connection with the swinging piece, the first driving device is arranged on the side face of the swinging piece, the bow-shaped clamp is driven by the first driving device to move perpendicular to the swinging piece, and two chucks at the free end of the bow-shaped clamp are matched with the swinging piece to clamp or loosen the two ends of the second hinging piece.

6. The tooling for automobile door hinge assembly of claim 5, wherein: the hinge clamping mechanism further comprises a hinge positioning mechanism, wherein the hinge positioning mechanism comprises a positioning inserted rod group and a second driving device, and the positioning inserted rod group is in plug-in fit with the mounting hole of the second hinge piece under the driving of the second driving device.

7. The tooling for automobile door hinge assembly of claim 1, wherein: two hinge positioning devices are respectively arranged at two ends of the frame and are respectively used for positioning two front door hinges and two rear door hinges.

8. The tooling for automobile door hinge assembly of claim 1, wherein: the two ends of the frame are respectively provided with a pressing component for pressing the first hinge piece of the hinge on the hinge installation position; the pressing assembly comprises two pressing heads and a third driving device for driving the two pressing heads to press the first hinge piece simultaneously.