CN216227707U

CN216227707U - Automobile rear wall inner plate assembly welding clamp

Info

Publication number: CN216227707U
Application number: CN202122060504.0U
Authority: CN
Inventors: 张久云; 张俊; 郭奎贺; 王健
Original assignee: Anhui Honyi Automobile Technology Co ltd
Current assignee: Anhui Honyi Automobile Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-04-08
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a welding fixture for an inner plate assembly of a rear wall of an automobile, which is characterized in that four first clamping mechanisms are arranged to clamp the edge of an inner plate, an end face supporting block is arranged to support two ends of the inner plate, a first middle clamping mechanism and a second middle clamping mechanism are arranged to position and clamp a middle welding piece and the inner plate, a second clamping mechanism is arranged to position and clamp a window welding piece and the inner plate, a clamping cylinder drives a connecting arm to open and close, a second clamping arm of the connecting arm clamps the window welding piece, an outward pushing cylinder drives a positioning pin of a positioning plate to be inserted into a hole of the window welding piece to position, and a transverse cylinder outwards opens two clamping arms to clamp and clamp a window of the window welding piece.

Description

Automobile rear wall inner plate assembly welding clamp

Technical Field

The utility model relates to the field of automobile parts, in particular to a welding clamp for an inner plate assembly of an automobile rear wall.

Background

The automobile rear wall is an important part on an automobile, and comprises an automobile rear wall inner plate assembly, wherein the automobile rear wall inner plate assembly needs to be welded with a left part with a window, a right part with a window and a middle part with a shape matched with the left part and the right part. Prior art patent CN103949837A discloses header board crossbeam middle part welding jig, base top left end, the right-hand member is the symmetry respectively and is installed the location clamping frame, base front side middle part symmetry installs middle support front end clamping device, base rear side middle part left and right sides symmetry is equipped with the location clamping device, be equipped with IP body between the location clamping device in the middle of the installing support assembly anchor clamps, the regional left and right sides symmetry between location clamping device and the middle support front end clamping device is equipped with middle part clamping positioning device, be equipped with IP body right side installing support assembly anchor clamps between left middle part clamping positioning device and the left middle support front end clamping device, rear between the middle support front end clamping device is equipped with the middle lower installing support assembly clamping device of IP body. This patent lacks to carry out the centre gripping to header board crossbeam middle part, and encloses the inner panel both ends behind the car owing to there is turn-ups and compact structure, if set up a plurality of fixture to its terminal surface centre gripping, because the space is narrow and small, unable setting, consequently just need a limit fixture to realize a plurality of centre grippings to still need to carry out the centre gripping to middle welding spare and window welding spare, consequently solve this problem and just seem very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a welding fixture for an inner panel assembly of a rear wall of an automobile, which supports two ends of an inner panel by arranging an end face supporting block, is provided with a first middle clamping mechanism and a second middle clamping mechanism for positioning and clamping a middle welding piece and the inner panel, is provided with a second clamping mechanism for positioning and clamping a window welding piece and the inner panel, two side clamping blocks of a side clamping arm of the side clamping mechanism are arranged, and partial clamping arms are arranged at the inner side of an extension arm of the side clamping arm close to the rear and close to the lower part, so that the side clamping mechanism is provided with four clamping parts for clamping the end face of the inner panel, has good clamping effect and convenient operation, and solves the problems in the background technology.

The utility model aims to provide a welding fixture for an inner plate assembly of a rear wall of an automobile, which comprises end face supporting blocks which are bilaterally symmetrical and are arranged at two ends of a tooling plate, wherein second clamping mechanisms which are bilaterally symmetrical and clamp window welding pieces are arranged at the left side and the right side of the front part of the tooling plate;

an edge clamping mechanism is arranged on the tooling plate and positioned on the inner side of the end face supporting block; the side clamping mechanism comprises a side mounting frame which is arranged on the tooling plate and inclines towards the outer side, a side clamping cylinder is arranged on the rear side of the side mounting frame, a side clamping arm is hinged to the top of the side clamping cylinder, a side supporting arm is arranged on the front side of the side mounting frame, a front side clamping block and a rear side clamping block are arranged at the bottom of the side clamping arm, an extension arm extends towards the inner side of the side clamping arm, and a sub-clamping arm is arranged at the inner side of the extension arm close to the rear side and close to the lower side; a sub-supporting arm matched with the sub-clamping arm is arranged on the tooling plate;

and the middle part of the tooling plate is provided with a first middle clamping mechanism and a second middle clamping mechanism which are used for clamping the middle welding piece from front to back.

The further improvement lies in that: the second clamping mechanism comprises a second mounting frame arranged on the tooling plate, a clamping cylinder is hinged to the front side of the second mounting frame, a connecting arm in a shape like a Chinese character 'yi' is hinged to the top of the clamping cylinder backwards, the bottom end of the connecting arm is hinged to the top of the second mounting frame, an outward pushing cylinder is arranged at the top of the connecting arm downwards, a longitudinal positioning plate is connected to the bottom of the outward pushing cylinder, a transverse cylinder is arranged at the bottom of the outward pushing cylinder close to the inner side of the positioning plate, the outer side of the transverse cylinder penetrates through the positioning plate to be connected with a hinged block, and the outer side of the hinged block is hinged to an upper clamping arm and a lower clamping arm which are crossed.

The further improvement lies in that: a window is arranged in the middle of the clamping arm, and passes through a through column with the upper end and the lower end fixedly arranged on the transverse cylinder; the clamping arm is in a hook shape and clamps the window of the window welding part; a second supporting arm is arranged at the rear side of the second mounting frame; a second clamping arm is arranged backwards at the bottom of the connecting arm in the shape of the Chinese character 'ji', and the second clamping arm is positioned outside the positioning plate; the outside of the positioning plate is provided with a positioning pin.

The further improvement lies in that: the first middle clamping mechanism comprises a first middle frame arranged on the tooling plate, a manual pressing mechanism is arranged on the front side of the first middle frame, a first middle clamping arm is hinged to the rear side of the manual pressing mechanism, a left middle positioning pin and a right middle positioning pin are arranged at the rear end of the first middle clamping arm, and a first middle supporting arm is arranged on the rear side of the first middle frame.

The further improvement lies in that: the clamping mechanism comprises a second middle frame arranged on the tooling plate, the rear side of the second middle frame is hinged with an opening cylinder, the top of the opening cylinder is hinged with a middle clamping cylinder, the front side of the middle clamping cylinder is hinged with a second middle clamping arm, and the tooling plate is provided with a second middle supporting arm matched with the second middle clamping arm.

The further improvement lies in that: the tooling plate is provided with four first clamping mechanisms for clamping the edge of the inner plate, and the four first clamping mechanisms are respectively distributed in front of the inner sides of the two end face supporting blocks and at the rear sides of the two second clamping mechanisms; first fixture is provided with first centre gripping cylinder including setting up the first mounting bracket on the frock board outside first mounting bracket, and first centre gripping cylinder top articulates there is first centre gripping arm.

The utility model has the beneficial effects that: the edge of the inner plate is clamped by four first clamping mechanisms, the two ends of the inner plate are supported by end face supporting blocks, the middle welding part and the inner plate are positioned and clamped by a first middle clamping mechanism and a second middle clamping mechanism, the window welding part and the inner plate are positioned and clamped by a second clamping mechanism, a clamping cylinder drives a connecting arm to open and close, a second clamping arm of the connecting arm clamps the window welding part, a positioning pin of a positioning plate is pushed out by an outward pushing cylinder to be inserted into a hole of the window welding part to be positioned, and two clamping arms are opened outwards by a transverse cylinder to clamp and clamp a window of the window welding part, so that the window welding part and the middle welding part can be positioned, clamped and clamped well; the two edge clamping blocks of the edge clamping arms of the edge clamping mechanism are respectively provided with a sub-clamping arm at the back and the lower part of the inner side of the extension arm of the edge clamping arm, so that the edge clamping mechanism is provided with four clamping parts for clamping the end surface of the inner plate and clamping the end surface of the inner plate, and the clamping effect is good; the first middle clamping mechanism drives a first middle clamping arm with two middle positioning pins to position and clamp the front part of the middle welding part through a manual pressing mechanism; the second middle clamping mechanism presses the middle clamping cylinder downwards by opening the cylinder, and the middle clamping cylinder drives the second middle clamping arm to clamp the front part and the rear part of the middle welding; therefore, the middle welding part can be well positioned and clamped; the four first clamping mechanisms drive the first clamping arms to clamp the edge of the inner plate through the first clamping cylinders.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view at the clamp arm of the present invention.

Fig. 3 is a schematic view of the edge gripping mechanism of the present invention.

Fig. 4 is a schematic view at a second clamping mechanism of the present invention.

Fig. 5 is a partially enlarged view of fig. 4.

Fig. 6 is a schematic view of the first clamping mechanism of the present invention.

Fig. 7 is a schematic view of a second clamping mechanism of the present invention.

Fig. 8 is a schematic view at a first clamping mechanism of the present invention.

Wherein: 1-tooling plate, 2-end face support block, 3-first gripper mechanism, 4-edge gripper mechanism, 5-first middle gripper mechanism, 6-second middle gripper mechanism, 7-second gripper mechanism, 8-second mounting frame, 9-gripper cylinder, 10-connecting arm, 11-push-out cylinder, 12-positioning plate, 13-transverse cylinder, 14-hinged block, 15-clamping arm, 16-passing post, 17-edge gripper cylinder, 18-edge gripper arm, 19-edge support arm, 20-edge gripper block, 21-extending arm, 22-partial gripper arm, 23-edge mounting frame, 24-second support arm, 25-second gripper arm, 26-positioning pin, 27-first middle frame, 28-manual hold-down mechanism, 29-first middle clamp arm, 30-middle locating pin, 31-first middle support arm, 32-second middle frame, 33-opening cylinder, 34-middle clamp cylinder, 35-second middle clamp arm, 36-second middle support arm, 37-first mounting frame, 38-first clamp cylinder, 39-first clamp arm, 40-window weldment, 41-middle weldment.

Detailed Description

For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1 to 8, the embodiment provides a welding fixture for an inner panel assembly of a rear wall of an automobile, which includes end face support blocks 2 arranged at two ends of a tooling plate 1 and symmetrically left and right, and four first clamping mechanisms 3 arranged on the tooling plate 1 for clamping edges of the inner panel; the four first clamping mechanisms 3 are respectively distributed in front of the inner sides of the two end face supporting blocks 2 and at the rear sides of the two second clamping mechanisms 7; the first clamping mechanism 3 comprises a first mounting frame 37 arranged on the tooling plate 1, a first clamping cylinder 38 is arranged outside the first mounting frame 37, and a first clamping arm 39 is hinged to the top of the first clamping cylinder 38; the four first clamping mechanisms 3 drive the first clamping arms 39 to clamp the inner plate edges through the first clamping cylinders 38.

The side clamping mechanism 4 is arranged on the inner side of the end face supporting block 2 on the tooling plate 1, the side clamping mechanism 4 comprises a side mounting frame 23 which is arranged on the tooling plate 1 and inclines towards the outer side, a side clamping cylinder 17 is arranged on the rear side of the side mounting frame 23, a side clamping arm 18 is hinged to the top of the side clamping cylinder 17, and a side supporting arm 19 is arranged on the front side of the side clamping arm 18; the bottom of the side clamping arm 18 is provided with a front side clamping block 20 and a rear side clamping block 20, the side clamping arm 18 extends inwards to form an extension arm 21, and the inner side of the extension arm 21 is provided with a partial clamping arm 22 at the back and the lower part; a sub-supporting arm matched with the sub-clamping arm 22 is arranged on the tooling plate 1; two limit grip blocks 20 of limit fixture 4's limit grip arm 19 and the extension arm 21 inboard of limit grip arm 19 are provided with branch grip arm 22 by back and by the lower side, and such a limit fixture 4 has four clamping parts to carry out the centre gripping to the inner panel terminal surface, carries out the centre gripping to the inner panel terminal surface, and the centre gripping is effectual.

A first middle clamping mechanism 5 and a second middle clamping mechanism 6 are arranged in the front and at the back of the upper middle part of the tooling plate 1; the first middle clamping mechanism 5 comprises a first middle frame 27 arranged on the tooling plate 1, a manual pressing mechanism 28 is arranged on the front side of the first middle frame 27, a first middle clamping arm 29 is hinged to the rear side of the manual pressing mechanism 28, a left middle positioning pin and a right middle positioning pin 30 are arranged at the rear end of the first middle clamping arm 29, and a first middle supporting arm 31 is arranged on the rear side of the first middle frame 27; fixture 6 is including setting up the second in the frock board 1 in the second 32, and the second 32 rear sides of putting in the shelf articulates there is the cylinder 33 of opening, and it has well centre gripping cylinder 34 to open cylinder 33 top forward to articulate, and centre gripping cylinder 34 front side articulates there is centre gripping arm 35 in the second, is provided with the second that matches centre gripping arm 35 in the second on the frock board 1 and supports arm 36. The first middle clamping mechanism 5 drives a first middle clamping arm 29 with two middle positioning pins 30 to position and clamp the front part of the middle weldment through a manual pressing mechanism 28; the second middle clamping mechanism 6 presses the middle clamping cylinder 34 downwards by opening the cylinder 33, and the middle clamping cylinder 34 drives the second middle clamping arm 35 to clamp the front and rear parts of the middle welding; therefore, the middle welding part can be well positioned and clamped; and the middle clamping cylinder 34 can be opened and closed greatly by opening the cylinder 33, so that the adaptability is good.

Be located on the frock board 1 that the 5 left and right sides of first well fixture are provided with bilateral symmetry's second fixture 7, second fixture 7 is including setting up second mounting bracket 8 on frock board 1, 8 front sides of second mounting bracket articulate there is centre gripping cylinder 9, centre gripping cylinder 9 top articulates backward has the linking arm 10 of 7 types, linking arm 10 bottom articulates at 8 tops of second mounting bracket, 10 tops of linking arm are provided with extrapolation cylinder 11 down, 11 bottoms of extrapolation cylinder are connected with fore-and-aft locating

plate

12, 11 bottoms of extrapolation cylinder are close to the locating plate 12 inboard and are provided with horizontal cylinder 13, the locating plate 12 is passed in the horizontal cylinder 13 outside and is connected with articulated piece 14, articulated piece 14 outside articulates there is upper and lower two crisscross clamping arm 15. A window is arranged in the middle of the clamping arm 15, and the window penetrates through a through column 16 with the upper end and the lower end fixedly arranged on the transverse cylinder 13; the clamping arm 15 is hooked to clamp the window of the window weldment. A second supporting arm 24 is arranged at the rear side of the second mounting rack 8; a second clamping arm 25 is arranged at the bottom of the 7-shaped connecting arm 10 backwards, and the second clamping arm 25 is positioned outside the positioning plate 12; the positioning plate 12 is provided with a positioning pin 26 at the outer side. The second clamping mechanism 7 is used for positioning and clamping the window welding piece and the inner plate, the clamping cylinder 9 drives the connecting arm 10 to be opened and closed, the second clamping arm 25 of the connecting arm 10 is used for clamping the window welding piece, the push-out cylinder 11 drives the positioning pin 26 of the positioning plate 12 to be inserted into a hole of the window welding piece to be positioned, the transverse cylinder 13 is used for outwards opening the two clamping arms 15 to clamp and clamp the window of the window welding piece, and therefore the window welding piece and the middle welding piece can be well positioned, clamped and clamped.

In actual use: firstly, all cylinders and manual pressing mechanisms are loosened, a rear wall inner plate is placed on all supporting arms and an end grinding supporting mechanism 2, and then a first clamping cylinder 38 of a first clamping mechanism 3 is started to drive a first clamping arm to stably clamp the edge of the inner plate; then, the side clamping cylinder 17 of the side clamping mechanism 4 is started to drive the side clamping arm 18 to stably clamp the two ends of the inner plate; then, the two window welding parts and the middle welding part are placed on the inner plate, then, the outward pushing cylinder 11 is started to drive the positioning pin 26 of the positioning plate 12 to be inserted into a hole of the window welding parts for positioning, then, the clamping cylinder 9 is started to drive the connecting arm 10 to be closed, so that the second clamping arm 25 clamps the window welding parts, and then, the outward pushing cylinder 11 is started to outwards open the two clamping arms 15 to clamp and clamp the windows of the window welding parts; then, manually moving the first middle clamping arm 29 of the manual pressing mechanism 28 backwards, inserting the middle positioning pin 30 into the hole of the middle welding piece for positioning, and pressing the front part of the middle welding piece by the first middle clamping arm 29; the opening cylinder 33 is started again to close the middle clamping cylinder 34 forwards, and the middle clamping cylinder 34 is started to press the second middle clamping arm 35 forwards to press the rear part of the middle welding part; this allows the welding operation to be performed.

Claims

1. A welding fixture for an inner panel assembly of a rear wall of an automobile comprises end face supporting blocks (2) which are bilaterally symmetrical and are arranged at two ends of a tooling plate (1), and second clamping mechanisms (7) which are bilaterally symmetrical and clamp window welding pieces are arranged at the left side and the right side of the upper front part of the tooling plate (1);

the method is characterized in that: an edge clamping mechanism (4) is arranged on the tooling plate (1) and positioned on the inner side of the end face supporting block (2); the edge clamping mechanism (4) comprises an edge mounting frame (23) which is arranged on the tooling plate (1) and inclines towards the outside, an edge clamping cylinder (17) is arranged on the rear side of the edge mounting frame (23), an edge clamping arm (18) is hinged to the top of the edge clamping cylinder (17), an edge supporting arm (19) is arranged on the front side of the edge mounting frame (23), a front edge clamping block and a rear edge clamping block (20) are arranged at the bottom of the edge clamping arm (18), an extending arm (21) extends towards the inside of the edge clamping arm (18), and sub-clamping arms (22) are arranged on the inner side of the extending arm (21) close to the rear and close to the lower part; a branch supporting arm matched with the branch clamping arm (22) is arranged on the tooling plate (1);

the middle part of the tooling plate (1) is provided with a first middle clamping mechanism (5) and a second middle clamping mechanism (6) which are used for clamping middle welding pieces.

2. The welding jig for the inner panel assembly of the automobile rear wall as set forth in claim 1, characterized in that: second fixture (7) have centre gripping cylinder (9) including setting up second mounting bracket (8) on frock board (1), second mounting bracket (8) front side articulates, centre gripping cylinder (9) top articulates has linking arm (10) of 7 types backward, linking arm (10) bottom articulates at second mounting bracket (8) top, linking arm (10) top is down provided with extrapolation cylinder (11), extrapolation cylinder (11) bottom is connected with fore-and-aft locating plate (12), extrapolation cylinder (11) bottom is close to locating plate (12) inboard and is provided with horizontal cylinder (13), horizontal cylinder (13) outside is passed locating plate (12) and is connected with articulated piece (14), articulated piece (14) outside articulates has upper and lower two crisscross clamping arm (15).

3. The welding jig for the inner panel assembly of the automobile rear wall as set forth in claim 2, characterized in that: a window is arranged in the middle of the clamping arm (15), and the window penetrates through a through column (16) with the upper end and the lower end fixedly arranged on the transverse cylinder (13); the clamping arm (15) is hooked to clamp the window of the window welding piece; a second supporting arm (24) is arranged at the rear side of the second mounting rack (8); a second clamping arm (25) is arranged backwards at the bottom of the 7-shaped connecting arm (10), and the second clamping arm (25) is positioned outside the positioning plate (12); the outer side of the positioning plate (12) is provided with a positioning pin (26).

4. The welding jig for the inner panel assembly of the automobile rear wall as set forth in claim 1, characterized in that: the first middle clamping mechanism (5) comprises a first middle frame (27) arranged on the tooling plate (1), a manual pressing mechanism (28) is arranged on the front side of the first middle frame (27), a first middle clamping arm (29) is hinged to the rear side of the manual pressing mechanism (28), a left middle positioning pin and a right middle positioning pin (30) are arranged at the rear end of the first middle clamping arm (29), and a first middle supporting arm (31) is arranged on the rear side of the first middle frame (27).

5. The welding jig for the inner panel assembly of the automobile rear wall as set forth in claim 1, characterized in that: fixture (6) is including setting up second in putting up (32) on frock board (1) in the second, and frame (32) rear side is articulated to have and opens cylinder (33) in the second, opens cylinder (33) top and has forward articulated well centre gripping cylinder (34), and centre gripping cylinder (34) front side is articulated to have centre gripping arm (35) in the second, is provided with support arm (36) in the second that matches centre gripping arm (35) in the second on frock board (1).

6. The welding jig for the inner panel assembly of the automobile rear wall as set forth in claim 1, characterized in that: four first clamping mechanisms (3) are arranged on the tooling plate (1) to clamp the edge of the inner plate and are respectively distributed in front of the inner sides of the two end face supporting blocks (2) and at the rear sides of the two second clamping mechanisms (7); the first clamping mechanism (3) comprises a first mounting frame (37) arranged on the tooling plate (1), a first clamping cylinder (38) is arranged on the outer side of the first mounting frame (37), and a first clamping arm (39) is hinged to the top of the first clamping cylinder (38).