CN107953054A - Six points of seat back-rest frameworks or so side plate welding fixture - Google Patents

Abstract

The invention discloses a welding jig for the left and right side plates of a six-point seat back frame, which includes a base, a first fixing piece, a second fixing piece, and a third fixing piece. The fixing part is located on the outside of the left square tube, the third fixing part is respectively installed on the left lower part and the right lower part of the base, and the third fixing part is located on the outside of the corresponding left and right side panels, the third fixing part includes the first guide rail, the second 1. Pneumatic slider, inner hook fixing clip, hole positioning pin and shaft positioning block. The inner hook fixing clip is in the shape of "C" and presses the inner side of the corresponding left or right side plate. The top side flange of the left or right panel of the The welding jig for the left and right side panels of the six-point seat back frame effectively solves the problem of positioning and fixing the left and right side panels. At the same time, it uses basically the same structure to position and fix the left and right side panels, ensuring the accuracy and stability of positioning. .

Description

Welding fixture for the left and right side panels of the six-point seat back frame

technical field

The invention belongs to the technical field of seat back welding, and in particular relates to a welding jig for the left and right side plates of a six-point seat back frame.

Background technique

The back frame of the six-point seat is shown in Figures 1 and 3: it includes the I-shaped frame assembly, the left square tube, the right bracket plate and the left and right side plates. The positioning and fixing requirements of the left and right side plates are very strict. The accuracy is directly related to the installation and flipping of the backrest, and both ends of the left and right side panels need to be welded, and the installation and connection methods of the left and right side panels are different. Using different structures for clamping will increase the cost and difficulty of the fixture. The side plate is a special-shaped piece, which further increases the difficulty of its positioning and fixing.

Contents of the invention

In order to solve the above technical problems, the object of the present invention is to provide a welding fixture for the left and right side panels of the six-point seat back frame, which effectively solves the problem of positioning and fixing the left and right side panels. The positioning is fixed to ensure the accuracy and stability of positioning.

The object of the present invention is achieved in the following way: a welding fixture for the left and right side plates of the backrest frame of a six-point seat, the key of which is to include the base, the first fixing piece for supporting and positioning the I-shaped frame assembly and its right side bracket plate, and the The left square tube on the left side of the I-shaped skeleton assembly supports and fixes the second fixing piece, and the third fixing piece supports and fixes the left and right side plates on both sides of the lower end of the I-shaped skeleton assembly. The first fixing piece is along the The I-shaped skeleton components are distributed and fixedly installed on the base, the second fixing part is installed on the left part of the base and is located outside the left square tube, and the third fixing part corresponds to the left and right side panels respectively Installed on the lower left and lower right parts of the base, the third fixing parts are located on the outside of the corresponding left and right side panels, the third fixing parts include the first guide rail, the first pneumatic slide mounted on the first guide rail Block, the pneumatic inner hook fixing clip fixed on the first pneumatic slider, the hole positioning pin and the shaft positioning block with a shaft hole in the transverse direction, the first pneumatic slider is perpendicular to the left and right side plates The board surface slides, the hole positioning pin is set against the installation hole of the corresponding left and right boards, the shaft hole of the shaft positioning block is set directly against the hinge shaft of the corresponding left and right boards, and the inner hook fixing clip is in the shape of " C" shape, the upper end of the inner hook fixing clip is pushed by the cylinder, and its lower end turns over and presses the inner surface of the corresponding left or right board, and the gap of the inner hook fixing clip makes way for the corresponding left or right board. Hem at top side.

With the above structure, the I-shaped skeleton assembly is initially positioned and fixed by the first fixing piece, and then the left square tube and the right bracket plate are positioned and fixed, the left side square tube is positioned and fixed by the second fixing piece, and the right side is fixed by the second fixing piece. The bracket plate is preliminarily positioned and fixed by the first fixing piece, and then the left and right side plates are respectively installed on the lower left and right parts of the I-shaped frame assembly, and the hinge shafts on the left and right side plates are positioned by the shaft positioning blocks. The hole is positioned through the hole positioning pin, and then the lower part of the left and right side plates is abutted against the two ends of the lower horizontal tube of the I-shaped frame assembly and further positioned through its own matching structure. At the same time, the first pneumatic slider pushes the inner hook fixing clip and moves Close to the corresponding left and right side panels, and then under the push of the cylinder, the inner hook fixing clip clamps the inner side of the left and right side panels.

Preferably, two hole positioning seats fixed to the base are provided between the longitudinal plate of the above-mentioned I-shaped frame assembly and the end of the left plate, and a positioning column is provided on the top of the hole positioning seat, and the positioning column is positioned and connected to the Armrest mounting plate between longitudinal plate and square tube on left.

With the above structure, the upper end of the left plate is in an unstable abutment state, and through the synchronous positioning and fixing of the armrest mounting plate, the upper end of the left plate can be pressed tightly to ensure the tightness of its contact and improve the welding effect.

Preferably, the above-mentioned first fixing member includes a support block and a pneumatic pressure block, and the support block is evenly distributed directly under the I-shaped frame assembly and the right side bracket plate and fixed to the base, and the pneumatic pressure block Compress the I-shaped frame assembly and the right side bracket plate from top to bottom.

With the above-mentioned structure, the support block can evenly lift up the I-shaped frame assembly and the right side bracket plate, while the pneumatic pressure block is pressed downward synchronously under the push of the cylinder.

Preferably, the above-mentioned second fixing member includes a second guide rail fixedly installed on the base, a second pneumatic slider slidably installed on the second guide rail, and a fastener installed on the second pneumatic slider 1. A support block abutting against the right side of the left side square tube, the support block is fixedly connected to the base, and the fastener is provided with a C-shaped limiting groove towards the side of the left side square tube.

With the above structure, the cylinder pushes the second pneumatic slider and drives the fastener to move laterally to the left square tube, so that the left side tube is limited in the C-shaped limit groove and positioned by the support block.

Preferably, the inner surfaces of the first pneumatic slider and the second pneumatic slider are provided with positioning stops.

Preferably, an upper top cylinder is provided on the above-mentioned base corresponding to the I-shaped skeleton assembly, the left square tube and the right support plate.

With the above structure, the welded skeleton is pushed out through the upper jacking cylinder, which is convenient for taking out the skeleton.

Preferably, an end pressing block is provided on the slider corresponding to the right side plate, and the end pressing block is arranged facing the upper end of the right side plate. By adopting the above structure, the pressing stability of the right plate is further improved.

Beneficial effect:

The invention is a welding fixture for the left and right side panels of the backrest frame of a six-point seat, which effectively solves the problem of positioning and fixing the left and right side panels. and stability.

Description of drawings

Fig. 1 is the assembly schematic diagram of the present invention and skeleton;

Fig. 2 is the perspective view that the present invention is assembled with skeleton;

Fig. 3 is a perspective view of the skeleton in Fig. 1;

Fig. 4 is a perspective view of the present invention;

Fig. 5 is a perspective view of a third fixing member in Fig. 1;

Fig. 6 is a perspective view of the second fixing member in Fig. 1;

Among them, 1 is the base, 2a is the support block, 2b is the pneumatic pressure block, 3 is the second fixing piece, 3a is the second guide rail, 3b is the second pneumatic slider, 3c is the fastener, 3d is the support block, 4 is The third fixing part, 4a is the first guide rail, 4b is the first pneumatic slider, 4c is the inner hook fixing clip, 4d is the hole positioning pin, 4e is the shaft positioning block, 5 is the hole positioning seat, 6 is the top cylinder, 7 is the end pressing block, 8 is the I-shaped frame assembly, 9 is the left square tube, 10 is the right support plate, 11 is the left plate, 12 is the right plate, 13 is the armrest mounting plate, 14 is the positioning block .

Detailed ways

The present invention will be further described below in conjunction with the embodiments and accompanying drawings.

Example:

As shown in Figures 1, 2, and 4: a welding fixture for the left and right side plates of a six-point seat back frame, the base 1, the first fixture that supports and positions the I-shaped frame assembly and its right side bracket plate, and the tool The left square tube on the left side of the font frame assembly is composed of the second fixing part 3 that supports and fixes the second fixing part 3, and the third fixing part 4 that supports and fixes the left and right side plates on both sides of the lower end of the I-shaped skeleton component. The parts are distributed along the I-shaped frame assembly and fixedly installed on the base 1, the second fixing part 3 is installed on the left part of the base 1 and is located outside the left side tube, and the third fixing part 4 The corresponding left and right panels are mounted on the left lower part and the right lower part of the base 1 respectively, and the third fixing parts 4 are located on the outer sides of the corresponding left and right panels.

As shown in Figures 1 and 2 and 4: the first fixing member is composed of a support block 2a and a pneumatic pressure block 2b, and the support block 2a is evenly distributed directly under the I-shaped frame assembly and the right side bracket plate And fixed with the base 1, the pneumatic pressure block 2b presses the I-shaped frame assembly and the right side bracket plate from top to bottom.

As shown in Figures 1 and 6: the second fixing member 3 is installed on the second guide rail 3a fixedly installed on the base 1, the second pneumatic slider 3b slidably installed on the second guide rail 3a, The fastener 3c on the second pneumatic slider 3b is composed of a support block 3d abutting against the right side of the left square tube, the support block 3d is fixedly connected with the base 1, and the fastener 3c faces left There is a C-shaped limiting groove on one side of the side tube.

As shown in Figures 1 and 5: the third fixing member 4 is composed of the first guide rail 4a, the first pneumatic slider 4b slidably installed on the first guide rail 4a, and the first pneumatic slider 4b fixedly installed on the first guide rail 4b. The pneumatic inner hook fixing clip 4c, the hole positioning pin 4d and the shaft positioning block 4e with a shaft hole in the transverse direction are composed. The first pneumatic slider 4b slides perpendicular to the board surfaces of the left and right sides, and the hole positioning pin 4d is set facing the mounting holes of the corresponding left and right plates, the shaft hole of the shaft positioning block 4e is set facing the hinge shafts of the corresponding left and right plates, and the inner hook fixing clip 4c is in the shape of "C". The upper end of the inner hook fixing clip 4c is pushed by the cylinder, and its lower end turns over and presses the inner surface of the corresponding left or right board, and the gap of the inner hook fixing clip 4c leaves the top edge of the corresponding left or right board . An end pressing block 7 is arranged on the slide block corresponding to the right side plate, and the end pressing block 7 is arranged facing the upper end of the right side plate.

Two positioning holes 5 fixed on the base 1 are arranged between the longitudinal plate of the I-shaped skeleton assembly and the end of the left side plate. The top of the hole positioning seats 5 is provided with a positioning column, and the positioning column is positioned and connected to the Armrest mounting plate between the longitudinal plate and the left square tube. The base 1 is provided with an upper top cylinder 6 corresponding to the I-shaped frame assembly, the left square tube and the right support plate.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those of ordinary skill in the art can make a variety of similar implementations under the inspiration of the present invention without violating the purpose and claims of the present invention. It means that such transformations all fall within the protection scope of the present invention.

Claims (6)

1. A kind of 1. six points of seat back-rest frameworks or so side plate welding fixture, it is characterised in that：Including base (1), by I-shaped bone Frame component supports admittedly with the first fixing piece of its right side supporting plate support positioning, by the left side square tube on the left of I-shaped skeleton component Fixed the second fixing piece (3), be supported fixed the 3rd by the left and right side plate of the lower end both sides of I-shaped skeleton component and fix Part (4), first fixing piece are distributed and are fixedly installed on the base (1), described second along I-shaped skeleton component Fixing piece (3) is installed on the left part of the base (1) and is located at the outside of left side square tube, the corresponding left side of the 3rd fixing piece (4), Right side plate is respectively arranged in the lower left quarter and right lower quadrant of base (1), and the 3rd fixing piece (4) is respectively positioned on corresponding left and right side The outside of plate, it is pneumatic that the 3rd fixing piece (4) includes the first guide rail (4a), first be slidably mounted on the first guide rail (4a) Sliding block (4b), the pneumatic interior hook geometrical clamp (4c) being fixedly installed on first aerodynamic slider (4b), hole positioning pin (4d) and The axis locating piece (4e) of axis hole is laterally provided with, first aerodynamic slider (4b) is slided perpendicular to the plate face of the left and right board, The mounting hole of the corresponding left and right board of hole positioning pin (4d) face is set, and the axis hole face of the axis locating piece (4e) is corresponding Left and right board articulated shaft set, the interior hook geometrical clamp (4c) is in " C " font, and interior hook geometrical clamp (4c) upper end exists Under cylinder promotes, its lower end overturns and compresses the medial surface of corresponding left side plate or right side plate, which lacks Mouth gets out of the way the top side flanging of corresponding left side plate or right side plate.
2. 2. six points of seat back-rest frameworks according to claim 1 or so side plate welding fixture, it is characterised in that：The I-shaped Two hole positioning seats (5) fixed with base (1), the Kong Ding are equipped between the longitudinal plate of type skeleton component and left side plate upper end The top of position seat (5) is equipped with positioning column, and the handrail which is located by connecting between the longitudinal plate and left side square tube is installed Plate.
3. 3. six points of seat back-rest frameworks according to claim 1 or so side plate welding fixture, it is characterised in that：Described first Fixing piece includes supporting block (2a) and Pneumatic pressure block (2b), and the supporting block (2a) is uniformly distributed in the I-shaped skeleton component With the underface of right side supporting plate and fixed with the base (1), the pneumatic briquetting (2b) compresses I-shaped bone from top to bottom Frame component and right side supporting plate.
4. 4. six points of seat back-rest frameworks according to claim 3 or so side plate welding fixture, it is characterised in that：Described second Fixing piece (3) include be fixedly installed on the base (1) the second guide rail (3a), be slidably mounted on second guide rail (3a) On the second aerodynamic slider (3b), be installed on second aerodynamic slider (3b) fastener (3c), with left side square tube right flank The support limit stop (3d) of abutting, the support limit stop (3d) are fixedly connected with base (1), and the fastener (3c) is towards left side square tube Side is provided with C-shaped limiting slot.
5. 5. six points of seat back-rest frameworks according to claim 3 or 4 or so side plate welding fixture, it is characterised in that：It is described I-shaped skeleton component, left side square tube and right side supporting plate are corresponded on base (1) and is equipped with upper top gas cylinder (6).
6. 6. six points of seat back-rest frameworks according to claim 1 or so side plate welding fixture, it is characterised in that：Corresponding the right The sliding block of plate is equipped with end briquetting (7), and the upper end of right side plate described in end briquetting (7) face is set.