CN214817891U

CN214817891U - Positioning fixture for front longitudinal beam rear longitudinal beam assembly

Info

Publication number: CN214817891U
Application number: CN202023019902.XU
Authority: CN
Inventors: 沈高
Original assignee: Changzhou Zhongxin United Automotive Machinery Manufacturing Co ltd
Current assignee: Changzhou Zhongxin United Automotive Machinery Manufacturing Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-11-23
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to an automotive industry technical field just discloses positioning fixture of front longitudinal rear portion longeron assembly, comprising a base plate, the top of bottom plate is provided with two sets of backup pads, and the top wall fixed mounting of bottom plate has the support column, and the rectangular hole has been seted up to the top wall of support column, and the top of support column is provided with the ejector pin, and the inside that circular port extended to the support column on the ejector pin bottom passed through the support column, and the fixed mounting of the bottom wall of ejector pin has the baffle, and the inside of support column is provided with supporting spring, and the top of ejector pin is provided with the hinge. The utility model discloses in, this positioning fixture of front longitudinal rear portion longeron assembly, two sets of backup pads can be removed to one side of keeping away from mutually along the spout, and the top wall swing joint of two sets of splint and two sets of backup pads, so when two sets of backup pads removed to one side of keeping away from mutually, two sets of splint can be drawn close to one side that approaches mutually, and the direct front longitudinal rear portion longeron assembly with the car presss from both sides tightly, has reached the convenient tight effect of clamp.

Description

Positioning fixture for front longitudinal beam rear longitudinal beam assembly

Technical Field

The utility model relates to an automotive industry technical field especially relates to positioning fixture of front longitudinal rear portion longeron assembly.

Background

The automotive industry is a comprehensive enterprise that has evolved on the basis of many associated industries and related technologies. Many products are used in automobiles, and various machining techniques are required from blank machining to complete automobile assembly. Automotive parts include thousands of different components, up to the floor, down to screws, and the like. The actual automobile production process is completed by cooperation of a plurality of different professional production factories (workshops). In order to produce automobiles economically and efficiently, these professional production plants (workshops) organize production and work division and cooperation according to the cooperation principle of products. Generally, main assemblies such as an engine, a transmission, an axle and a vehicle body are manufactured by the company, and tires, glass, electric appliances, interior parts of the vehicle body and other small parts are produced by external professional factories by cooperation.

The existing front longitudinal beam rear longitudinal beam assembly positioning clamp in the market at present is opened firstly when in use, and after the front longitudinal beam rear longitudinal beam assembly is placed on the clamp, the clamp needs to be adjusted, so that the clamp can clamp the front longitudinal beam rear longitudinal beam assembly tightly, and the working efficiency is low. To this end, we propose a positioning jig for the front rail rear rail assembly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide the positioning fixture of front longitudinal rear portion longeron assembly.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, the positioning fixture of front longitudinal back longeron assembly, comprising a base plate, the top of bottom plate is provided with two sets of backup pads, and the top wall fixed mounting of bottom plate has the support column, and the rectangular hole has been seted up to the top wall of support column, and the top of support column is provided with the ejector pin, and the inside that circular port extended to the support column on the ejector pin bottom passed through the support column, and the fixed mounting of the bottom wall of ejector pin has the baffle, and the inside of support column is provided with supporting spring, and the top of ejector pin is provided with the hinge, and the equal fixed mounting in top wall of two sets of backup pads has splint, and two sets of splint all are "L" word form that the mirror image distributes.

As preferred, the draw-in groove has all been seted up to inside one side wall and the inside bottom wall that approaches mutually of two sets of splint, and the inside of two sets of splint all is provided with the clamp plate, and the equal fixed mounting in both sides has a shelves pole around the top wall of two sets of clamp plates and the bottom wall, and the top and the bottom of two sets of clamp plates all are provided with connection bearing.

Preferably, the four groups of connecting bearings are fixedly provided with connecting rods at the same positions corresponding to the wall surfaces of the holes, the front ends and the rear ends of the side walls of the connecting rods on the four groups of connecting bearings are fixedly connected with the corresponding positions of the wall surfaces of the adjacent group of blocking rods respectively, the side walls of the four groups of connecting bearings are fixedly provided with clamping plates, the four groups of clamping plates are in a trapezoid shape, and the four groups of clamping plates are in sliding connection with the adjacent group of clamping grooves respectively.

Preferably, the two groups of clamping grooves close to the bottom are internally provided with extrusion springs

Preferably, the limiting grooves are formed in the left side and the right side of the top wall surface of the bottom plate, the sliding grooves are formed in the front side wall surface and the rear side wall surface of the two groups of limiting grooves, the sliding plates are connected to the four groups of sliding grooves in a sliding mode, the circular holes are formed in the bottoms of the front side wall surfaces of the two groups of supporting plates, and the connecting rods are arranged in the circular holes in the two groups of supporting plates.

Preferably, the front end and the rear end of the side walls of the two groups of connecting rods are fixedly provided with limit bearings, the side walls of the four groups of limit bearings are fixedly connected with the corresponding positions of the circular holes on the two groups of supporting plates respectively, and the front side wall surfaces and the rear side wall surfaces of the two groups of connecting rods are fixedly connected with the corresponding positions of the four groups of sliding plates respectively.

Advantageous effects

The utility model provides a positioning fixture of front longitudinal rear longitudinal beam assembly. The method has the following beneficial effects:

(1) this positioning fixture of front longitudinal back longeron assembly, place the front longitudinal back longeron assembly of car on the top wall of hinge, can move down when the hinge receives gravity, the left and right sides and the backup pad swing joint of hinge, so two sets of backup pads can move to one side of keeping away from mutually along the spout, and the top wall swing joint of two sets of splint and two sets of backup pads, so when two sets of backup pads move to one side of keeping away from mutually, two sets of splint can draw close to one side that approaches mutually, it is tight directly to press from both sides the front longitudinal back longeron assembly of car, the convenient tight effect of clamp has been reached.

(2) This positioning fixture of front longitudinal rear portion longeron assembly, the inside of two sets of splint all is provided with the clamp plate, after two sets of splint press from both sides the front longitudinal rear portion longeron assembly of car tightly, two sets of clamp plates can contact with the front longitudinal rear portion longeron assembly of car, and the front longitudinal rear portion longeron assembly on the car can promote two sets of clamp plates one end of keeping away from mutually, two sets of clamp plate bottoms are connected with the cardboard, the bottom of cardboard is connected with the extrusion spring, the extrusion spring promotes the clamp plate, make the left and right sides of two sets of clamp plates with the front longitudinal rear portion longeron assembly of car press from both sides tightly, the effect of the tight effect of improvement clamp has been reached.

(3) This positioning fixture of front longitudinal back longeron assembly, the equal fixed mounting in upper and lower both sides of two sets of clamp plates has a shelves pole, a shelves pole is cylindricly, so the lateral wall of a shelves pole is arc, reduce the friction that receives when clamp plate position removes, two sets of connecting rods around both sides wall and two sets of slide fixed connection, and the lateral wall fixed mounting of two sets of connecting rods has spacing bearing, and the lateral wall of spacing bearing corresponds position wall fixed connection with the circular port in the backup pad, so the position of spacing bearing is fixed, the backup pad just can be rotatory around the connecting rod, when a lateral wall face that keeps away from mutually of the bottom of two sets of backup pads removed, and the slide can not change because the position wall of backup pad, avoid the slide to lead to the cracked condition of slide to take place because the position change of the backup pad.

Drawings

FIG. 1 is a front view of a positioning fixture for a rear longitudinal beam assembly of a front longitudinal beam of the present invention;

FIG. 2 is a schematic view of the position of the limit bearing of the present invention;

FIG. 3 is a cross-sectional view of the support post of the present invention;

fig. 4 is a schematic view of the shape of the clamping plate of the present invention.

Illustration of the drawings:

the device comprises a base plate 1, a limiting groove 2, a sliding groove 3, a supporting plate 4, a sliding plate 5, a connecting rod 6, a limiting bearing 7, a supporting column 8, a push rod 9, a partition plate 10, a supporting spring 11, a hinge 12, a clamping plate 13, a clamping groove 14, a pressing plate 15, a blocking rod 16, a connecting bearing 17, a clamping plate 18 and an extrusion spring 19.

Detailed Description

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

Example (b): as shown in fig. 1-4, the positioning fixture for the front longitudinal beam rear longitudinal beam assembly comprises a bottom plate 1, wherein the bottom plate 1 is in a solid rectangular shape, the left and right sides of the top wall surface of the bottom plate 1 are respectively provided with a limiting groove 2, the front and rear side wall surfaces inside the two groups of limiting grooves 2 are respectively provided with a sliding groove 3, the top of the bottom plate 1 is provided with two groups of supporting plates 4, the bottom ends of the two groups of supporting plates 4 respectively extend to the inside of the bottom plate 1 through the two groups of limiting grooves 2, the insides of the four groups of sliding grooves 3 are respectively connected with a sliding plate 5 in a sliding manner, the bottom parts of the front side wall surfaces of the two groups of supporting plates 4 are respectively provided with a circular hole, the insides of the circular holes on the two groups of supporting plates 4 are respectively provided with a connecting rod 6, the front and rear ends of the side walls of the two groups of connecting rods 6 are respectively fixedly connected with the corresponding position wall surfaces of the four groups of sliding plates 5, the top wall of the bottom plate 1 is fixedly provided with a support column 8, the support column 8 is in a hollow rectangular shape, the top wall of the support column 8 is provided with a rectangular hole, the top of the support column 8 is provided with a top rod 9, the bottom of the top rod 9 extends into the support column 8 through the circular hole on the support column 8, the bottom wall of the bottom of the top rod 9 is fixedly provided with a partition plate 10, the inside of the support column 8 is provided with a support spring 11, the upper end and the lower end of the support spring 11 are respectively fixedly connected with the bottom wall of the partition plate 10 and the bottom wall inside the support column 8, the top of the top rod 9 is provided with a hinge 12, the hinge 12 is a disclosed technology, details are not repeated, the bottom wall of the hinge 12 is fixedly connected with the top wall of the top rod 9, the left side and the right side of the hinge 12 are respectively movably connected with the tops of one side wall close to the two groups of support plates 4, and the top walls of the two groups of support plates 4 are both fixedly provided with a clamping plate 13, two groups of clamping plates 13 are in an L shape, the two groups of clamping plates 13 are distributed in a mirror image manner, clamping grooves 14 are formed in one side wall surface and the inner bottom wall surface which are close to each other in the two groups of clamping plates 13, a pressing plate 15 is arranged in the two groups of clamping plates 13, blocking rods 16 are fixedly arranged on the front side and the rear side of the top wall surface and the front side and the rear side of the bottom wall surface of the two groups of pressing plates 15, connecting bearings 17 are arranged at the top and the bottom of the two groups of pressing plates 15, connecting rods 6 are fixedly arranged on the wall surfaces of holes on the four groups of connecting bearings 17, the front ends and the rear ends of the side walls of the connecting rods 6 on the four groups of connecting bearings 17 are respectively fixedly connected with the corresponding position wall surfaces on the close group of blocking rods 16, clamping plates 18 are fixedly arranged on the side walls of the four groups of connecting bearings 17, the four groups of clamping plates 18 are in a trapezoidal shape, the four groups of clamping plates 18 are respectively connected with the close to the clamping grooves 14 in a sliding manner, extrusion springs 19 are arranged in the two groups of clamping grooves 14 close to the bottom, one side wall surface of the two groups of extrusion springs 19 close to each other is fixedly connected with the wall surface of the corresponding position of the two groups of clamping plates 18 close to the bottom.

The utility model discloses a theory of operation:

when using, place the front longitudinal back longeron assembly of car on the top wall of hinge 12, can move down when hinge 12 receives gravity, the left and right sides and the backup pad 4 swing joint of hinge 12, so two sets of backup pads 4 can move to the one side of keeping away from mutually along spout 3, and two sets of splint 13 and the top wall swing joint of two sets of backup pads 4, so when two sets of backup pads 4 move to the one side of keeping away from mutually, two sets of splint 13 can be drawn close to one side that approaches mutually, directly press from both sides tightly the front longitudinal back longeron assembly of car.

The inside of two sets of splint 13 all is provided with clamp plate 15, after two sets of splint 13 presss from both sides the front longitudinal back longeron assembly of car tightly, two sets of clamp plates 15 can contact with the front longitudinal back longeron assembly of car, and the front longitudinal back longeron assembly on the car can promote two sets of clamp plates 15 one end of keeping away from mutually, two sets of clamp plates 15 bottoms are connected with cardboard 18, the bottom of cardboard 18 is connected with extrusion spring 19, extrusion spring 19 promotes clamp plate 15, make two sets of clamp plates 15 press from both sides the left and right sides of the front longitudinal back longeron assembly of car tightly.

The equal fixed mounting in upper and lower both sides of two sets of clamp plates 15 has shelves pole 16, shelves pole 16 is cylindricly, so the lateral wall of shelves pole 16 is arc, reduce the friction that receives when clamp plate 15 position removes, two lateral wall faces and two sets of slide 5 fixed connection around two sets of connecting rods 6, and the lateral wall fixed mounting of two sets of connecting rods 6 has spacing bearing 7, and the lateral wall of spacing bearing 7 corresponds position wall fixed connection with the circular port on backup pad 4, so the position of spacing bearing 7 is fixed, backup pad 4 just can be rotatory around connecting rod 6, when the lateral wall that keeps away from mutually of the bottom of two sets of backup pads 4 removes, and slide 5 can not change because of backup pad 4's position wall.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. Positioning fixture of front longitudinal rear longitudinal beam assembly, including bottom plate (1), its characterized in that: the top of bottom plate (1) is provided with two sets of backup pads (4), the top wall fixed mounting of bottom plate (1) has support column (8), the rectangular hole has been seted up to the top wall of support column (8), the top of support column (8) is provided with ejector pin (9), the inside that circular port extended to support column (8) is gone up through support column (8) in ejector pin (9) bottom, the fixed mounting of the bottom wall of ejector pin (9) has baffle (10), the inside of support column (8) is provided with supporting spring (11), the top of ejector pin (9) is provided with hinge (12), the equal fixed mounting in top wall of two sets of backup pads (4) has splint (13), two sets of splint (13) all are "L" word form that the mirror image distributes.

2. The positioning jig for the front side member rear side member assembly according to claim 1, wherein: draw-in groove (14) have all been seted up to inside one side wall and the inside bottom wall that approaches mutually of two sets of splint (13), and the inside of two sets of splint (13) all is provided with clamp plate (15), and both sides are all fixed mounting has shelves pole (16) around the top wall of two sets of clamp plates (15) and the bottom wall, and the top and the bottom of two sets of clamp plates (15) all are provided with connection bearing (17).

3. The positioning jig for the front side member rear side member assembly according to claim 2, wherein: the connecting bearings (17) are provided with connecting rods (6) which are fixedly arranged on the wall surfaces at the corresponding positions of the holes, the front ends and the rear ends of the side walls of the connecting rods (6) on the four groups of connecting bearings (17) are fixedly connected with the wall surfaces at the corresponding positions of the adjacent group of stop rods (16), clamping plates (18) are fixedly arranged on the side walls of the four groups of connecting bearings (17), the four groups of clamping plates (18) are in a trapezoid shape, and the four groups of clamping plates (18) are respectively in sliding connection with the adjacent group of clamping grooves (14).

4. The positioning jig for the front side member rear side member assembly according to claim 2, wherein: and extrusion springs (19) are arranged in the two groups of clamping grooves (14) close to the bottom.

5. The positioning jig for the front side member rear side member assembly according to claim 1, wherein: spacing groove (2) have all been seted up to the top wall left and right sides of bottom plate (1), and spout (3) have all been seted up to both sides wall face around the inside of two sets of spacing groove (2), and the equal sliding connection in inside of four group's spout (3) has slide (5), and the circular port has all been seted up to the preceding side wall face bottom of two sets of backup pads (4), and the inside of circular port all is provided with connecting rod (6) on two sets of backup pads (4).

6. The positioning jig for the front side member rear side member assembly according to claim 5, wherein: two sets of equal fixed mounting in both ends has spacing bearing (7) around the lateral wall of connecting rod (6), and the lateral wall of four spacing bearings (7) of group corresponds position fixed connection with circular port on two sets of backup pads (4) respectively, and two side wall faces correspond position wall fixed connection with four group slide (5) respectively around two sets of connecting rod (6).