CN217775872U - Automobile seat slide rail female rail positioning mechanism - Google Patents
Automobile seat slide rail female rail positioning mechanism Download PDFInfo
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- CN217775872U CN217775872U CN202221325526.3U CN202221325526U CN217775872U CN 217775872 U CN217775872 U CN 217775872U CN 202221325526 U CN202221325526 U CN 202221325526U CN 217775872 U CN217775872 U CN 217775872U
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Abstract
The utility model provides a female rail positioning mechanism of car seat slide rail, it includes quadruplex position spin welding equipment, welding strip mould and first locating piece, and welding strip mould installs on quadruplex position spin welding equipment, and the both ends of welding strip mould are provided with the first location portion and the second location portion of upwards protruding respectively, and the integration has female rail front end pin welding positioning electrode on the first location portion, and the integration has female rail rear end locating pin and female rail rear end pin welding positioning electrode on the second location portion; first location portion and second location portion are integrated into one piece with welding strip mould respectively, and first locating piece is installed on welding strip mould split type, and the integration has female rail front end locating pin on the first locating piece. The utility model discloses when welding female rail of slide rail, two suspension locating pins and two gaskets simultaneously, can guarantee the pin welding back and for female rail datum hole 0.4's position degree requirement, CPK > 1.33, a locating piece has been integrated to this kind of structure moreover, and the maintenance is dismantled in the maintenance of being convenient for, has promoted the efficiency of mould maintenance.
Description
Technical Field
The utility model relates to a car seat slide rail processing technology field, in particular to female rail positioning mechanism of car seat slide rail.
Background
In the prior art, the automobile seat slide rail is a mechanical component formed by assembling a male rail and a female rail, the male rail and the female rail need to be formed by stamping through a material plate, the female rail of the male rail is welded or riveted with various parts, and the parts mainly have the function of assembling the slide rail on a seat basin.
The main processes of the public rail are riveting or welding screws, riveting brackets and the like. The main rail is mainly fixed at the bottom of an automobile, and the main process of the main rail is welding a gasket and riveting a support. In the female rail resistance welding engineering, when the female rail, the gasket and the pin are welded simultaneously, in a P4P (four-station rotary welding) device welding process, the pin is in suspension resistance welding, and the position degree of 0.4 is difficult to guarantee.
After the resistance welding occurs, the position degree of the pin deviates relative to the position of the reference hole of the main rail body. This situation can affect the customer bowl fit, causing customer complaints.
In addition, the design tolerance accumulation of the existing resistance welding mould reaches 0.7mmMax, and the maintenance tolerance of the mould is not included. The design can only ensure that the position degree of the pin and the mother rail reference is between 0.4 and 0.7 after resistance welding, which is not qualified.
In view of the above, the present inventors have devised a positioning mechanism for a sliding rail female rail of an automobile seat, in order to overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to produce the benchmark hole offset easily for overcoming among the prior art female rail resistance welding, be difficult to guarantee defects such as position degree, provide a female rail positioning mechanism of car seat slide rail.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the automobile seat slide rail female rail positioning mechanism is characterized by comprising four-station rotary welding equipment, a welding strip die and a first positioning block, wherein the welding strip die is installed on the four-station rotary welding equipment, a first positioning part and a second positioning part which are protruded upwards are respectively arranged at two ends of the welding strip die, a female rail front end pin welding positioning electrode is integrated on the first positioning part, and a female rail rear end positioning pin and a female rail rear end pin welding positioning electrode are integrated on the second positioning part;
the first positioning portion and the second positioning portion are integrally formed with the welding strip die respectively, the first positioning block is installed on the welding strip die in a split mode, and a positioning pin at the front end of the main rail is integrated on the first positioning block.
According to the utility model discloses an embodiment, car seat slide rail female rail positioning mechanism still includes the second locating piece, the second locating piece is installed split type on the welding strip mould, be close to second location portion.
According to the utility model discloses an embodiment, integrated mistake proofing round pin on the second locating piece.
According to the utility model discloses an embodiment, female rail rear end locating pin with female rail rear end pin welding position electrode is spaced each other between.
According to the utility model discloses an embodiment, female rail front end locating pin with female rail rear end locating pin is waist type hole locating pin.
According to the utility model discloses an embodiment, car seat slide rail female rail positioning mechanism still includes thick spacing, thick spacing installs in one side of welding strip mould, is located first location portion with between the second location portion.
According to an embodiment of the utility model, thick spacing is the L type structure of inversion.
According to the utility model discloses an embodiment, be provided with a plurality of locating holes on the welding strip mould, first locating piece with the second locating piece is through with the difference locating hole accordant connection realizes the change of position.
According to the utility model discloses an embodiment, quadruplex position spin welding equipment with the assembly tolerance of welding strip mould is 0.1mm.
According to the utility model discloses an embodiment, first location portion with the up end of second location portion is the plane.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses female rail positioning mechanism of car seat slide rail, with the female rail of slide rail, two suspension locating pins and two gaskets when welding simultaneously, can guarantee after the pin welding for female rail datum hole 0.4's position degree requirement, CPK > 1.33, this kind of structure has integrateed a locating piece moreover, the maintenance is dismantled in the maintenance of being convenient for, has promoted the efficiency of mould maintenance.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:
fig. 1 is a perspective view of the positioning mechanism for the female rail of the seat slide of the car of the present invention.
Fig. 2 is the front view of the positioning mechanism for the female rail of the slide rail of the car seat of the present invention.
Fig. 3 is the utility model discloses car seat slide rail female rail positioning mechanism's top view.
Fig. 4 is the assembled front view of the first positioning block, the second positioning block and the welding strip mold in the positioning mechanism for the female rail of the car seat slide rail.
Fig. 5 is the assembled top view of the first positioning block, the second positioning block and the welding strip mold in the positioning mechanism of the female rail of the car seat slide rail of the utility model.
Fig. 6 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 5.
Fig. 7 is the utility model discloses among the female rail positioning mechanism of car seat slide rail quadruplex position spin welding equipment's front view.
Fig. 8 is the utility model discloses the top view of quadruplex position spin welding equipment among the female rail positioning mechanism of car seat slide rail.
[ reference numerals ]
Four-station spin welding apparatus 10
Welding bar die 20
Female rail front end pin welding positioning electrode 40
Female rail rear end positioning pin 50
Female rail rear end pin welding positioning electrode 60
Master rail front end positioning pin 70
Error-proof pin 81
Coarse limit 90
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 is a perspective view of the positioning mechanism of the female rail of the slide rail of the car seat of the present invention. Fig. 2 is the front view of the positioning mechanism for the female rail of the slide rail of the car seat of the present invention. Fig. 3 is the utility model discloses car seat slide rail female rail positioning mechanism's top view. Fig. 4 is the assembled front view of the first positioning block, the second positioning block and the welding strip mold in the positioning mechanism of the female rail of the car seat slide rail of the utility model.
Fig. 5 is the assembled top view of the first positioning block, the second positioning block and the welding strip mold in the positioning mechanism for the female rail of the car seat slide rail of the present invention. Fig. 6 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 5. Fig. 7 is the utility model discloses among the female rail positioning mechanism of car seat slide rail quadruplex position spin welding equipment's front view. Fig. 8 is the utility model discloses the top view of quadruplex position spin welding equipment among the female rail positioning mechanism of car seat slide rail.
As shown in fig. 1 to 8, the utility model discloses a female rail positioning mechanism of car seat slide rail, it includes quadruplex position spin welding equipment 10, welding strip mould 20 and first locating block 30, and welding strip mould 20 installs on quadruplex position spin welding equipment 10, and the both ends of welding strip mould 20 are provided with bellied first location portion 21 and the second location portion 22 that makes progress respectively. The upper end surfaces of the first positioning portion 21 and the second positioning portion 22 are preferably flat.
The first positioning portion 21 is integrated with a bus rail front end pin welding positioning electrode 40, and the second positioning portion 22 is integrated with a bus rail rear end positioning pin 50 and a bus rail rear end pin welding positioning electrode 60. This enables the positioning of the bus-rail rear-end positioning pin 50 together with the bus-rail rear-end pin welding positioning electrode 60.
The first positioning portion 21 and the second positioning portion 22 are respectively integrally formed with the welding bar mold 20, the first positioning block 30 is separately installed on the welding bar mold 20, and the first positioning block 30 is integrated with the female rail front end positioning pin 70.
The integral positioning seat design can integrate the pin welding electrode and the female rail positioning pin on the same positioning part, and avoids the problem of poor product size caused by reference transfer or assembly tolerance.
Preferably, the automobile seat slide rail female rail positioning mechanism further comprises a second positioning block 80, and the second positioning block 80 is installed on the welding strip mold 20 in a split manner and is close to the second positioning portion 22. A mistake-proofing pin 81 is preferably integrated on the second positioning block 80.
Further preferably, the bus bar rear end positioning pin 50 and the bus bar rear end pin welding positioning electrode 60 are spaced apart from each other. The female rail front end locating pin 70 and the female rail rear end locating pin 50 are preferably kidney-shaped hole locating pins.
In addition, the automobile seat slide rail female rail positioning mechanism further comprises a coarse limiting 90, wherein the coarse limiting 90 is arranged on one side of the welding strip mold 20 and is positioned between the first positioning part 21 and the second positioning part 22.
The coarse stop 90 may preferably be an inverted L-shaped structure.
In addition, the plurality of positioning holes 23 are provided in the welding bar die 20, and the first positioning block 30 and the second positioning block 80 can be coupled to different positioning holes 23 in a matching manner, thereby changing positions.
The utility model discloses among the female rail positioning mechanism of car seat slide rail, the tolerance calculation is:
the assembly tolerance between the four-station spin welding apparatus 10 and the welding bar die 20 is preferably ± 0.1mm;
the verticality of the pin product is 0-0.3mm;
pin product diameter 9.9 ± 0.05mm (0.05 x 2= ± 0.1 mm); the pin product here refers to the raw material of the pin.
Therefore, tolerance stack =0.1+0.3+0.1=0.4mmmax.
According to the structure description, the utility model discloses female rail positioning mechanism of car seat slide rail is integrated by split type location, integrated location is whole in a location with female rail location, the pin welding electrode round pin of resistance welding frock, guarantees that the relative position of pin and female rail satisfies the drawing requirement.
As shown in fig. 1, the female rail and the pin positioning structure are integrated on the same positioning block, the female rail positioning structure is determined by two positioning pins, and the pin welding electrode is also fixed on the positioning block to form integrated positioning, so that poor size caused by assembly tolerance after disassembly is reduced.
The size frock of product after the welding mainly is guaranteed by frock location structure before the welding, and the position degree of pin is a straight line that two U shape holes formed on female rail as the benchmark. Therefore, the integrated positioning block is designed to position the pin and the female rail, so that errors generated in the assembly process of the tool can be reduced. Meanwhile, the positioning block is positioned on one positioning block, and the two U-shaped holes of the female rail are used for positioning, so that the position degree of the pin is ensured to the maximum extent.
Here, the working principle of the four-station spin welding equipment (1 small material loading station, 2 welding stations, 1 upper rail & detection station) is integrated, the influence of a jacking mechanism on the size of a product is avoided, and the main rail is positioned and transferred to two kidney-shaped holes (the punching process is to punch reference holes at two ends of the main rail by using the 2 kidney-shaped holes). The pin welding electrode and the positioning pin of the waist-shaped hole of the female rail are integrated on the same positioning block, so that the position deviation of the relative positions of the pin welding positioning pin and the female rail can be effectively avoided, and the maintenance deviation of a mold is avoided.
The utility model discloses female rail positioning mechanism of car seat slide is not influencing under output beat and the minimal prerequisite of equipment investment, and with female rail location and pin location one-piece type locating pin, increase female rail locating pin on the locating piece. Therefore, the product quality can be effectively guaranteed, and customer complaints are avoided. The positioning mechanism integrates the female rail positioning and pin welding electrode pin of the resistance welding tool on a positioning whole, ensures the relative position of the pin and the female rail, and can meet the drawing requirements.
The utility model discloses female rail positioning mechanism of car seat slide rail, with the female rail of slide rail, two suspension locating pins and two gaskets when welding simultaneously, can guarantee after the pin welding for female rail datum hole 0.4's position degree requirement, CPK > 1.33, this kind of structure has integrateed a locating piece moreover, the maintenance is dismantled in the maintenance of being convenient for, has promoted the efficiency of mould maintenance.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The automobile seat slide rail female rail positioning mechanism is characterized by comprising four-station rotary welding equipment, a welding strip die and a first positioning block, wherein the welding strip die is installed on the four-station rotary welding equipment, a first positioning part and a second positioning part which are protruded upwards are respectively arranged at two ends of the welding strip die, a female rail front end pin welding positioning electrode is integrated on the first positioning part, and a female rail rear end positioning pin and a female rail rear end pin welding positioning electrode are integrated on the second positioning part;
the first positioning portion and the second positioning portion are integrally formed with the welding strip die respectively, the first positioning block is installed on the welding strip die in a split mode, and a positioning pin at the front end of the main rail is integrated on the first positioning block.
2. The automotive seat track female positioning mechanism of claim 1, further comprising a second positioning block, wherein the second positioning block is separately mounted on the welding strip mold and is close to the second positioning portion.
3. The car seat slide rail female rail positioning mechanism according to claim 2, wherein a mistake-proof pin is integrated on the second positioning block.
4. The automotive seat slide rail female rail positioning mechanism according to claim 1, wherein the female rail rear end positioning pin and the female rail rear end pin welding positioning electrode are spaced apart from each other.
5. The automotive seat track rail female positioning mechanism of claim 1, wherein the female front positioning pin and the female rear positioning pin are kidney-shaped hole positioning pins.
6. The vehicle seat track rail positioning mechanism of claim 1, further comprising a coarse stop, the coarse stop being mounted on a side of the welding bar die between the first positioning portion and the second positioning portion.
7. The automotive seat track rail female positioning mechanism of claim 6, wherein the coarse limit is in an inverted L-shaped structure.
8. The positioning mechanism of claim 2, wherein the welding strip mold is provided with a plurality of positioning holes, and the first positioning block and the second positioning block are connected with different positioning holes in a matching manner to change positions.
9. The car seat slide rail female rail positioning mechanism according to claim 1, wherein the assembly tolerance of the four-station spin welding equipment and the welding bar die is ± 0.1mm.
10. The car seat slide rail female rail positioning mechanism according to claim 1, wherein the upper end surfaces of the first positioning portion and the second positioning portion are both flat surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325526.3U CN217775872U (en) | 2022-05-30 | 2022-05-30 | Automobile seat slide rail female rail positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325526.3U CN217775872U (en) | 2022-05-30 | 2022-05-30 | Automobile seat slide rail female rail positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217775872U true CN217775872U (en) | 2022-11-11 |
Family
ID=83911746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325526.3U Active CN217775872U (en) | 2022-05-30 | 2022-05-30 | Automobile seat slide rail female rail positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217775872U (en) |
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2022
- 2022-05-30 CN CN202221325526.3U patent/CN217775872U/en active Active
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