CN219190005U

CN219190005U - Automobile seat slide rail and framework assembly fixture

Info

Publication number: CN219190005U
Application number: CN202320148206.3U
Authority: CN
Inventors: 吉玉安; 赵中祥; 卢业冰; 卢荔军; 韦覃杰; 黄秋梅
Original assignee: Guangxi Shuangying Group Co ltd
Current assignee: Guangxi Shuangying Group Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-06-16
Anticipated expiration: 2033-01-18

Abstract

The utility model relates to an assembly fixture for a seat slide rail and a framework of an automobile, which comprises a bottom plate, a fixture frame and a fixture device, wherein the fixture frame is connected to the bottom end of the bottom plate, the fixture device is arranged on the upper surface of the bottom plate, the fixture device comprises a mounting plate I, a mounting plate II, a sliding plate I and a sliding plate II, the mounting plate I II is fixedly connected to the upper surface of the bottom plate near the middle part through supporting blocks respectively, the mounting plates II are mutually arranged in parallel, the upper surface of the mounting plate I is connected with a plurality of nylon supporting blocks I, the upper surface of the mounting plate II is connected with a plurality of nylon supporting blocks II, the sliding plate I II is respectively and slidably arranged on the upper surface of the bottom plate outside the mounting plate II, a plurality of positioning devices I capable of positioning and clamping the seat slide rail are arranged on the sliding plate II. The tool is high in universality, can be used for assembling various types of automobile seat sliding rails and frameworks, and is high in assembly efficiency.

Description

Automobile seat slide rail and framework assembly fixture

Technical Field

The utility model relates to an assembly fixture used in the production process of an automobile seat, in particular to an assembly fixture for an automobile seat slide rail and a framework.

Background

Many car seats are now mounted on vehicles that can slide forward or backward to increase the convenience of the vehicle. The automobile seat comprises a seat framework and two seat slide rails connected with the lower side of the seat framework, the seat framework and the seat slide rails are required to be assembled into a whole before the automobile seat is installed on an automobile, the seat slide rails are installed on the lower side of the seat framework and the seat framework can slide relative to the seat framework, and the relative positions of the seat framework and the seat slide rails are required to reach the requirement of assembly precision. The assembly method commonly adopted in the industry at present is to manufacture a set of assembly tools, position the seat slide rail by adopting the assembly tools, and then install the seat framework on the positioned seat slide rail. But the seat slide rail of different model car seat is because interval, length, width and the connection fixed position of two slide rails are not the same, and seat slide rail and the seat skeleton of different model car seat often need accomplish the assembly on different assembly tools, and the manufacturing enterprise needs the assembly tools of preparation many different models, makes seat manufacturing cost high. In addition, the existing assembly fixture is adopted, the problems of low workpiece clamping and unloading efficiency and the like are solved, and the production efficiency is low.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an assembly tool for an automobile seat slide rail and a framework, which has strong universality, can be used for assembling various types of automobile seat slide rails and frameworks, and has high assembly efficiency.

The technical scheme adopted by the utility model for achieving the purpose is as follows: the utility model provides an automobile seat slide rail and skeleton assembly fixture, which comprises a base plate, frock frame and tool equipment, frock frame connects the bottom at the bottom of bottom plate, tool equipment installs and is the upper surface at the bottom plate, tool equipment includes mounting panel I, mounting panel II, slide bar I, slide bar II, mounting panel I, slide bar II are rectangular dull and stereotyped respectively, mounting panel I and mounting panel II are respectively through supporting shoe fixed connection at the upper surface near the middle part of bottom plate, and mounting panel I and the mutual parallel arrangement of mounting panel II, the upper surface fixedly connected with polylith nylon supporting shoe I of mounting panel I, the upper surface fixedly connected with polylith and the nylon supporting shoe II of nylon supporting shoe I respectively one-to-one, slide bar I slidable sets up the bottom plate upper surface in the mounting panel I outside, slide bar II slidable sets up the bottom plate upper surface in the mounting panel II outside, install a plurality of positioner I of clamping seat slide rail can be located on the slide bar I, install a plurality of positioner II of clamping seat slide rail can be located on the slide bar II, positioner I's position one-to-one with positioner II respectively.

The utility model further adopts the technical scheme that: the bottoms of the two ends of the installation plate I and the installation plate II in the longitudinal direction are respectively connected with the upper ends of two support blocks, and the lower ends of the two support blocks are connected to the upper surface of the bottom plate.

The utility model further adopts the technical scheme that: the nylon supporting block I is connected to the upper surface of the mounting plate I through a fixing device, the nylon supporting block II is connected to the upper surface of the mounting plate II through a fixing device, the nylon supporting block I and the nylon supporting block II are U-shaped supporting blocks with upward openings respectively, and the nylon supporting blocks I and the nylon supporting blocks II which correspond to each other in position are U-shaped supporting blocks with the same structure.

The utility model further adopts the technical scheme that: the mounting plate I upper surface in the nylon supporting shoe I outside still is provided with locating pin I the mounting plate II upper surface in the nylon supporting shoe II outside still is provided with locating pin II.

The utility model further adopts the technical scheme that: the bottom plate upper surface in the mounting panel I outside is provided with the guide rail I with mounting panel I mutually perpendicular, and slide plate I bottom surface is connected with the slider I that mutually supports with guide rail I, and the upper surface at the middle part is leaned on to the bottom plate is provided with push-and-pull cylinder I, and push-and-pull cylinder I's piston rod extends to slide plate I place side and leans on the middle part position to be connected with slide plate I through connecting device.

The utility model further adopts the technical scheme that: the bottom plate upper surface in the mounting panel II outside is provided with the guide rail II with mounting panel II mutually perpendicular, and slide plate II bottom surface is connected with the slider II that mutually supports with guide rail II, and the upper surface at the bottom plate near the middle part is provided with push-and-pull cylinder II, and push-and-pull cylinder II's piston rod extends to slide plate II place side and leans on the middle part position to be connected with slide plate II through connecting device.

The utility model further adopts the technical scheme that: the positioning device I and the positioning device II respectively comprise an inserting type positioning device and a clamping type positioning device.

The utility model further adopts the technical scheme that: the plug-in positioning device comprises an inverted L-shaped positioning block which can be inserted into the inner side of the seat slide rail and a mounting block connected to the bottom end of the inverted L-shaped positioning block, and the mounting block is connected to the upper surface of the sliding plate I or the sliding plate II through a fixing device.

The utility model further adopts the technical scheme that: the clamping type positioning device comprises a pressing block, a positioning inclined block and a clamping cylinder, wherein one end of the pressing block is connected to the upper surface of a sliding plate I or a sliding plate II, the other end of the pressing block extends inwards, the positioning inclined block is obliquely arranged on the upper surface of a bottom plate on the inner side of the pressing block, the bottom end of the positioning inclined block is arranged on the upper surface of the bottom plate through an adapter plate, a positioning hole is formed in the middle of the positioning inclined block, a cylinder mounting through groove penetrating through the upper surface and the lower surface of the bottom plate is formed in the inner side of the corresponding position of the positioning inclined block, the clamping cylinder is obliquely arranged in the cylinder mounting through groove, the tail end of a piston rod of the clamping cylinder is connected with a positioning column, the clamping cylinder can push the positioning column to obliquely upwards penetrate through the positioning hole of the positioning inclined block to position the mounting support leg of the end of a seat slide rail, and the pressing block can move inwards along with the sliding plate I or the sliding plate II to clamp the mounting support leg of the end of the seat slide rail together with the positioning column connected with the tail end of the piston rod of the clamping cylinder.

The assembly fixture for the automobile seat slide rail and the framework has the following beneficial effects: the assembly fixture comprises a mounting plate I, a plurality of nylon supporting blocks I, a plurality of positioning devices II, a plurality of assembling fixtures, a plurality of seat sliding rails, a plurality of frame sliding rails and a plurality of frame sliding rails, wherein the nylon supporting blocks I and the nylon supporting blocks I are respectively arranged on the mounting plate II; two seat slide rails of a set of seat can be positioned on two pairs of nylon supporting blocks I and nylon supporting blocks II that correspond each other in position, and seat slide rail both ends accessible control sliding plate I, the inwards movement of sliding plate II for positioner I on the sliding plate I and positioner II on the sliding plate II press from both sides tight seat slide rail jointly, accomplish the assembly when needing to lift off the work piece, control sliding plate I, the outwards movement of sliding plate II need not the manual clamp of workman with dismantle the work piece, assembly efficiency is high.

The assembly tool for the automobile seat slide rail and the framework of the utility model is further described below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an assembly fixture for a slide rail and a framework of an automobile seat;

FIG. 2 is another view of the assembly fixture of the slide rail and the frame of the car seat shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of a seat track of a model one employing the positioning and clamping of the present utility model with a vehicle seat track and skeleton assembly tooling;

FIG. 5 is a schematic view of a two seat track of the present utility model;

FIG. 6 is a schematic view of a three seat track of the present utility model in a clamping style with a seat track and skeleton assembly tooling;

reference numerals illustrate: 1-Fu Ma Lun, 2-tool rack, 3-sliding plate I, 4-inverted L-shaped positioning block, 5-mounting plate I, 6-positioning pin I, 7-nylon supporting block I, 8-mounting plate II, 9-sliding plate II, 10-pressing block, 11-positioning pin II, 12-nylon supporting block II, 13-push-pull cylinder II, 14-push-pull cylinder I, 15-guide rail II, 16-material box, 17-guide rail I, 18-sliding block I, 19-sliding block II, 20-positioning column, 21-positioning oblique block, 22-clamping cylinder, 23-mounting block and 24-bottom plate.

Detailed Description

As shown in fig. 1 to 3, the assembly fixture for the automobile seat slide rail and the framework comprises a bottom plate, a fixture frame and a fixture device. The bottom plate is rectangular steel sheet, and the frock frame is used for supporting the bottom plate, connects in the bottom four corners of bottom plate. The tool device is used for clamping and positioning the seat slide rail and is arranged on the upper surface of the bottom plate. The two sides of the bottom plate are also connected with a material box which is used for placing materials such as assembly bolts, nuts and the like. The bottom end of the tool rack is provided with a convenient-to-move support Ma Lun.

As shown in fig. 1 and 2, the tooling device comprises a mounting plate I, a mounting plate II, a sliding plate I and a sliding plate II. The mounting plate I, the mounting plate II, the sliding plate I and the sliding plate II are respectively long-strip-shaped flat plates. Mounting panel I and mounting panel II are respectively through supporting shoe fixed connection at the upper surface that the bottom plate leaned on the middle part, and mounting panel I and mounting panel II mutual parallel arrangement. The bottoms of the two ends of the mounting plate I and the mounting plate II in the longitudinal direction are respectively connected with the upper ends of two supporting blocks, and the lower ends of the two supporting blocks are connected to the upper surface of the bottom plate in a welding mode. Through supporting shoe support both ends, mounting panel I and mounting panel II are erect on the bottom plate, and the space between the bottom surface of mounting panel I and the bottom plate upper surface can be used to install push-and-pull cylinder I, and the space between the bottom surface of mounting panel II and the bottom plate upper surface can be used to install push-and-pull cylinder II.

The upper surface fixedly connected with polylith nylon supporting shoe I at mounting panel I, the upper surface fixedly connected with polylith and nylon supporting shoe II of nylon supporting shoe I one-to-one respectively of mounting panel II. The nylon supporting block I is connected to the upper surface of the mounting plate I through a fixing device (the fixing device is a screw or a bolt). The nylon supporting block II is connected to the upper surface of the mounting plate II through a fixing device (the fixing device is a screw or a bolt). The nylon supporting block I and the nylon supporting block II are U-shaped supporting blocks with upward openings respectively, connecting holes are formed in the middle of the U-shaped supporting blocks, and bolts penetrate through the connecting holes to fixedly connect the U-shaped supporting blocks to the upper surfaces of the mounting plate I and the mounting plate II. The nylon supporting blocks I and II which correspond to each other in position are U-shaped supporting blocks with the same structure. The nylon supporting blocks I and the nylon supporting blocks II which correspond to each other in position form a group of U-shaped supporting blocks, the group of U-shaped supporting blocks are used for supporting a seat sliding rail, and two seat sliding rails of the same seat are supported by the two groups of U-shaped supporting blocks with the same structure. The mounting plate I upper surface in the nylon supporting shoe I outside still is provided with locating pin I, still is provided with locating pin II at the mounting plate II upper surface in the nylon supporting shoe II outside, and locating pin I, locating pin II are used for the location seat slide rail, prevent that the seat slide rail from removing.

The sliding plate I is slidably arranged on the upper surface of the bottom plate outside the mounting plate I, the sliding plate II is slidably arranged on the upper surface of the bottom plate outside the mounting plate II, the sliding plate I is provided with a plurality of positioning devices I capable of positioning and clamping the seat slide rail, the sliding plate II is provided with a plurality of positioning devices II capable of positioning and clamping the seat slide rail, and the positions of the positioning devices I are respectively in one-to-one correspondence with the positions of the positioning devices II.

The bottom plate upper surface in the mounting panel I outside is provided with the guide rail I with mounting panel I mutually perpendicular, and slide plate I bottom surface is connected with the slider I mutually supporting with guide rail I, in this embodiment, the bottom plate upper surface in the mounting panel I outside is provided with three guide rail I, and slide plate I bottom surface is equipped with respectively in corresponding position with three guide rail I matched with slider I for slide plate I can be steady in the inside and outside relative guide rail I in mounting panel I outside. The upper surface that the bottom plate leans on the middle part is provided with push-and-pull cylinder I, and push-and-pull cylinder I sets up in the space between mounting panel I bottom surface and the bottom plate upper surface. The piston rod of the push-pull cylinder I extends to the side where the sliding plate I is located and is connected with the sliding plate I by a connecting device (the connecting device is a connecting plate) near the middle. The push-pull air cylinder I can push and pull the sliding plate I to slide inside and outside on the guide rail I relative to the mounting plate I.

The bottom plate upper surface in the mounting panel II outside is provided with the guide rail II with mounting panel II mutually perpendicular, and slide plate II bottom surface is connected with the slider II that mutually supports with guide rail II, in this embodiment, the bottom plate upper surface in the mounting panel II outside is provided with three guide rail II, and slide plate II bottom surface is equipped with respectively in corresponding position with three guide rail II matched with slider II for slide plate II can be steady in the inside and outside relative guide rail II in the mounting panel II outside. The upper surface that the bottom plate leans on the middle part is provided with push-and-pull cylinder II, and push-and-pull cylinder II sets up in the space between mounting panel II bottom surface and the bottom plate upper surface. The piston rod of the push-pull cylinder II extends to the side where the sliding plate II is located and is connected with the sliding plate II by a connecting device (the connecting device is a connecting plate) near the middle. The sliding cylinder II can slide the sliding plate II relative to the mounting plate II inside and outside the guide rail II.

Wherein the positioning device I and the positioning device II respectively comprise a plug-in positioning device and a clamping type positioning device. The plug-in positioning device comprises an inverted L-shaped positioning block which can be inserted into the inner side of the seat slide rail and a mounting block connected to the bottom end of the inverted L-shaped positioning block, and the mounting block is connected to the upper surface of the sliding plate I or the sliding plate II through a fixing device. The plug-in positioning device is used for being directly inserted into the seat slide rail to position the seat slide rail. As shown in FIG. 3, the clamping type positioning device comprises a pressing block, a positioning inclined block and a clamping cylinder, wherein one end of the pressing block is connected to the upper surface of the sliding plate I or the sliding plate II, and the other end of the pressing block extends inwards. The locating oblique block is obliquely arranged on the upper surface of the bottom plate on the inner side of the pressing block, the bottom end of the locating oblique block is arranged on the upper surface of the bottom plate through the adapter plate, a locating hole is formed in the middle of the locating oblique block, a cylinder installation through groove penetrating through the upper surface and the lower surface of the bottom plate is formed in the inner side of the corresponding position of the locating oblique block, the clamping cylinder is obliquely arranged in the cylinder installation through groove, the tail end of a piston rod of the clamping cylinder is connected with a locating column, the clamping cylinder can push the locating column to obliquely upwards penetrate through the locating hole of the locating oblique block so as to locate the installation support leg at the end part of the seat slide rail, and the pressing block can inwards move along with the sliding plate I or the sliding plate II to clamp the installation support leg at the end part of the seat slide rail together with the locating column connected with the tail end of the piston rod of the clamping cylinder.

Fig. 4 shows two seat slide rails a of a seat positioned by adopting the assembly fixture for the automobile seat slide rail and the framework, in the embodiment, the seat slide rails a are respectively positioned on two groups of U-shaped supporting blocks close to the left, the seat slide rails are clamped by adopting an inserting type positioning device, the seat slide rails a are respectively positioned on the two groups of U-shaped supporting blocks during clamping, positioning holes near the end parts of the seat slide rails a are respectively positioned with a positioning pin I and a positioning pin II, then the sliding plate I and the sliding plate II are controlled to simultaneously slide inwards by controlling a push-pull cylinder I and a push-pull cylinder II so that two pairs of inverted L-shaped positioning blocks corresponding to each other are simultaneously inserted into inner tubes at two ends of the two seat slide rails a to clamp the seat slide rails, and the seat slide rails a are not rocked after being clamped, so that the position is accurate. When the seat framework (not shown in the figure) is assembled on the seat slide rail A, the sliding plate I and the sliding plate II are controlled to simultaneously slide outwards by controlling the reverse direction movement of the push-pull air cylinder I and the push-pull air cylinder II during unloading, and the two pairs of inverted L-shaped positioning blocks simultaneously release the two seat slide rails A, so that unloading can be realized.

FIG. 5 shows two seat slide rails B of another seat positioned by the automobile seat slide rail and framework assembly fixture, in the embodiment, the seat slide rails B are respectively positioned on two groups of U-shaped supporting blocks close to the right, the seat slide rails B are clamped by an inserting type positioning device, when the seat slide rails B are clamped, the seat slide rails B are respectively positioned on the two groups of U-shaped supporting blocks, positioning holes near the end parts of the seat slide rails B are respectively positioned with a positioning pin I and a positioning pin II, then the sliding plate I and the sliding plate II are controlled to simultaneously slide inwards by controlling a push-pull cylinder I and a push-pull cylinder II, so that two pairs of inverted L-shaped positioning blocks corresponding to each other are simultaneously inserted into inner tubes at two ends of the two seat slide rails to clamp the seat slide rails B, and the seat slide rails B are clamped without shaking and have accurate positions. When the seat framework (not shown in the figure) is assembled on the seat slide rail B, the sliding plate I and the sliding plate II are controlled to simultaneously slide outwards by controlling the reverse direction movement of the push-pull air cylinder I and the push-pull air cylinder II during unloading, and the two pairs of inverted L-shaped positioning blocks simultaneously release the two seat slide rails, so that unloading can be realized.

Fig. 6 shows two seat slide rails C of a further seat positioned by the assembly fixture for a car seat slide rail and a skeleton according to the utility model, in this embodiment, the seat slide rails C are respectively positioned on the other two sets of U-shaped supporting blocks close to the right, the seat slide rails C are clamped by the clamping type positioning device, during clamping, the seat slide rails C are respectively positioned on the two sets of U-shaped supporting blocks, and the two ends of the seat slide rails C of this type are fixedly connected with mounting legs. The installation stabilizer blade of seat slide rail C tip leans on the location sloping block, control clamp cylinder piston rod outside moves and makes the reference column slope upwards pass the locating hole of location sloping block and then fix a position the installation stabilizer blade D of seat slide rail C tip, finally through control push-pull cylinder I, push-pull cylinder II and then control sliding plate I and sliding plate II inwards slide simultaneously and make two pairs of briquetting that correspond each other compress tightly the installation stabilizer blade D of seat slide rail tip simultaneously, the briquetting inboard sets up to the inclined pressure face relative with the location sloping block, the inclined pressure face of briquetting presss from both sides the installation stabilizer blade D of seat slide rail C tip with the location sloping block jointly, seat slide rail C is not rocked after being pressed from both sides tightly, the position is accurate. When the seat framework (not shown in the figure) is assembled on the seat slide rail C, the sliding plate I and the sliding plate II are controlled to simultaneously slide outwards by controlling the sliding cylinder I and the sliding cylinder II to move in opposite directions during unloading, the two pairs of pressing blocks simultaneously release the mounting support legs D at the end parts of the slide rail, and simultaneously the piston rod of the clamping cylinder is controlled to retract so that the positioning column is separated from the mounting support legs at the end parts of the slide rail, so that unloading can be performed.

Of course, the assembly fixture for the automobile seat slide rail and the framework can also clamp and position seat slide rails of other types, which are not listed here one by one. Any modifications, equivalent substitutions, etc. which are within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a car seat slide rail and skeleton assembly fixture, including bottom plate (24), fixture frame (2) and tool equipment, fixture frame (2) connect in the bottom of bottom plate (24), tool equipment installs in bottom plate (24) and is upper surface, a serial communication port, fixture equipment includes mounting panel I (5), mounting panel II (8), sliding plate I (3), sliding plate II (9) are rectangular dull and stereotyped respectively, mounting panel I (5) and mounting panel II (8) are respectively through supporting shoe fixed connection at bottom plate (24) near the upper surface in middle part, and mounting panel I (5) and mounting panel II (8) are parallel arrangement each other, the upper surface fixedly connected with polylith nylon supporting shoe I (7) of mounting panel I (5), the upper surface fixedly connected with polylith and nylon supporting shoe II (12) of one-to-one respectively of sliding plate I (7), sliding plate I (3) slidable sets up on bottom plate (24) upper surface in the outside mounting panel I (5), sliding plate II (9) set up on the outside of mounting panel I (24) can slide, the locating device is located on many seat II (3) of mounting panel I, and a plurality of positioning devices II capable of positioning and clamping the seat slide rails are arranged on the sliding plate II (9), and the positions of the positioning devices I are respectively in one-to-one correspondence with the positions of the positioning devices II.

2. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 1, wherein bottoms of two longitudinal ends of the mounting plate I (5) and the mounting plate II (8) are respectively connected with upper ends of two supporting blocks, and lower ends of the two supporting blocks are connected to the upper surface of the bottom plate (24).

3. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 1, wherein the nylon supporting block I (7) is connected to the upper surface of the mounting plate I (5) through a fixing device, the nylon supporting block II (12) is connected to the upper surface of the mounting plate II (8) through a fixing device, the nylon supporting block I (7) and the nylon supporting block II (12) are respectively U-shaped supporting blocks with upward openings, and the nylon supporting blocks I (7) and the nylon supporting blocks II (12) which are mutually corresponding are U-shaped supporting blocks with the same structure.

4. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 3, wherein a locating pin I (6) is further arranged on the upper surface of the mounting plate I (5) on the outer side of the nylon supporting block I (7), and a locating pin II (11) is further arranged on the upper surface of the mounting plate II (8) on the outer side of the nylon supporting block II (12).

5. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 1, wherein a guide rail I (17) perpendicular to the mounting plate I (5) is arranged on the upper surface of a bottom plate (24) on the outer side of the mounting plate I (5), a sliding block I (18) matched with the guide rail I (17) is connected to the bottom surface of the sliding plate I (3), a push-pull air cylinder I (14) is arranged on the upper surface, close to the middle, of the bottom plate (24), of the bottom plate, and a piston rod of the push-pull air cylinder I (14) extends to the side where the sliding plate I (3) is located and is connected with the sliding plate I (3) close to the middle through a connecting device.

6. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 1, wherein a guide rail II (15) which is mutually perpendicular to the mounting plate II (8) is arranged on the upper surface of a bottom plate (24) on the outer side of the mounting plate II (8), a sliding block II (19) which is mutually matched with the guide rail II (15) is connected to the bottom surface of the sliding plate II (9), a push-pull air cylinder II (13) is arranged on the upper surface, close to the middle, of the bottom plate (24), of the bottom plate, and a piston rod of the push-pull air cylinder II (13) extends to the side where the sliding plate II (9) is located and is connected with the sliding plate II (9) close to the middle through a connecting device.

7. The assembly fixture for a slide rail and a framework of a car seat according to claim 1, wherein the positioning device I and the positioning device II respectively comprise a plug-in positioning device and a clamping positioning device.

8. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 7, wherein the plug-in positioning device comprises an inverted L-shaped positioning block (4) which can be inserted into the inner side of the sliding rail of the seat and a mounting block (23) which is connected to the bottom end of the inverted L-shaped positioning block (4), and the mounting block (23) is connected to the upper surface of the sliding plate I (3) or the sliding plate II (9) through a fixing device.

9. The assembly fixture for the sliding rail and the framework of the automobile seat according to claim 7, wherein the clamping type positioning device comprises a pressing block (10), a positioning inclined block (21) and a clamping cylinder (22), one end of the pressing block (10) is connected to the upper surface of a sliding plate I (3) or a sliding plate II (9), the other end of the pressing block (10) extends inwards, the positioning inclined block (21) is obliquely arranged on the upper surface of a bottom plate (24) at the inner side of the pressing block (10), the bottom end of the positioning inclined block (21) is arranged on the upper surface of the bottom plate (24) through an adapter plate, a positioning hole is formed in the middle of the positioning inclined block (21), a cylinder mounting through groove penetrating through the upper surface and the lower surface of the bottom plate (24) is formed in the inner side of the corresponding position of the positioning inclined block (21), the clamping cylinder (22) is obliquely arranged in the cylinder mounting through groove, the tail end of a piston rod of the clamping cylinder (22) is connected with a positioning column (20), the clamping cylinder (22) can push the positioning column (20) to obliquely upwards penetrate through the positioning hole of the positioning inclined block (21) to position a mounting support leg at the end of the sliding rail of the seat, and the pressing block (10) can move along with the sliding plate I (3) or the sliding plate II (9) to the tail end of the piston rod of the clamping cylinder.