CN220006610U - Hinge nut plate positioning device - Google Patents

Abstract

The application discloses a positioning device for a hinge nut plate, relates to the technical field of positioning fixtures, and is used for solving the problem of low positioning precision of the positioning device. The hinge nut plate positioning device comprises a guide assembly, a sliding assembly, a positioning assembly and an air cylinder. The sliding component is in sliding connection with the guiding component. One of the guide assembly and the slide assembly is formed with a guide rail, and the other is formed with a guide groove. The guide rail is positioned in the guide groove and is in sliding connection with the guide groove. The locating component is connected with the sliding component and comprises a locating pin. The cylinder is connected with the sliding component and is used for driving the sliding component to slide along the extending direction of the guide groove. The hinge nut plate positioning device is used for positioning the hinge nut plate.

Description

Hinge nut plate positioning device

Technical Field

The application relates to the technical field of positioning fixtures, in particular to a hinge nut plate positioning device.

Background

With the development of the automobile industry, the expected value of the appearance and the use comfort of the automobile is higher and higher, which results in unprecedented competition of the automobile industry. In order to meet the increasing requirements of users, the precision requirements of the manufacture of the automobile body parts are continuously improved.

The automobile door hinge is a connecting part for firmly hanging the automobile door on the automobile body and realizing the function of rotating and opening the automobile door. Automobile door hinges are typically connected to the door by a hinge nut plate, and therefore, the accuracy of the position of the hinge nut plate on the door affects the loading accuracy of the door hinge.

In order to ensure that the hinge nut plate has higher position accuracy on the vehicle door, a positioning device is needed when the hinge nut plate is welded with the vehicle door, and the positioning device can position the hinge nut plate on the vehicle door. However, the existing positioning device is unreasonable in structural design, and the positioning accuracy of the positioning device is low.

Disclosure of Invention

The utility model aims to provide a hinge nut plate positioning device which aims to solve the problem of low positioning precision of the positioning device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a hinge nut plate positioning device comprises a guide assembly, a sliding assembly, a positioning assembly and an air cylinder. The sliding component is in sliding connection with the guiding component. One of the guide assembly and the slide assembly is formed with a guide rail, and the other is formed with a guide groove. The guide rail is positioned in the guide groove and is in sliding connection with the guide groove. The locating component is connected with the sliding component and comprises a locating pin. The cylinder is connected with the sliding component. The cylinder is used for driving the sliding component to slide along the extending direction of the guide groove.

According to the technical means, the cylinder can apply an acting force to the sliding assembly through the output shaft, so that the sliding assembly can slide on the guide assembly. The sliding component can drive the positioning component to move when moving, and then can drive the positioning pin to position the hinge nut plate.

Because the output shaft of cylinder passes through guide assembly and slip subassembly and is connected with the locating pin indirectly, and realizes sliding connection through guide rail and guide way structure between guide assembly and the slip subassembly, when the locating pin takes place to remove under the effect of cylinder, even the output shaft of cylinder takes place the position fluctuation, under the limiting displacement of guide way to the guide rail, the position of locating pin also can not take place to fluctuate to effectively promoted hinge nut board positioner's positioning accuracy and repeated accurate positioning's stability.

Further, the number of positioning components is plural.

According to the technical means, the sliding assembly can drive the plurality of positioning assemblies to move simultaneously when sliding on the guide assembly, and the positioning pins in the plurality of positioning assemblies can realize the simultaneous positioning of the plurality of hinge nut plates, so that the consistency of the position accuracy of the plurality of hinge nut plates is effectively ensured, the debugging difficulty during the installation of the vehicle door is effectively reduced, and the installation efficiency of the vehicle door is improved.

Further, the sliding assembly includes a mounting plate, a first sliding block, and a second sliding block. The mounting panel is located guide assembly one side, is connected with the cylinder, and is connected with positioning assembly. The first sliding block is positioned on one side of the mounting plate, which is close to the guide assembly, and is detachably connected with the mounting plate. The second sliding block is positioned on one side of the mounting plate, which is close to the guide assembly, and is detachably connected with the mounting plate. The first sliding block and the second sliding block are arranged oppositely. A guide groove is formed between the first sliding block and the second sliding block. The guide assembly is close to one side of the mounting plate to form a guide rail, and the first sliding block and the second sliding block are both in sliding connection with the guide rail.

According to the technical means, as the first sliding block and the second sliding block are detachably connected with the mounting plate, when the guide rail on the guide assembly slides between the first sliding block and the second sliding block for a long time to cause abrasion of the first sliding block or the second sliding block, a user only needs to replace the new first sliding block or the new second sliding block, and the mounting plate is not required to be replaced, so that the maintenance cost of the hinge nut plate positioning device is effectively reduced.

Further, a first sliding groove is formed in one side, close to the guide rail, of the first sliding block, a second sliding groove is formed in one side, close to the guide rail, of the second sliding block, and the extending directions of the first sliding groove and the second sliding groove are the same as the extending direction of the guide groove. One side of the guide rail, which is close to the first sliding block, and one side of the guide rail, which is close to the second sliding block, are respectively provided with a limiting protrusion, wherein one limiting protrusion is positioned in the first sliding groove, and the other limiting protrusion is positioned in the second sliding groove.

According to the technical means, the limiting protrusions on the two opposite sides of the guide rail are respectively clamped in the first sliding groove and the second sliding groove, and the groove walls of the first sliding groove and the second sliding groove can form propping against the limiting protrusions, so that the guide rail can be effectively limited from being separated from the guide groove, and the reliability of sliding connection of the sliding assembly and the guide assembly is effectively improved.

Further, the positioning assembly further comprises a mounting seat and a positioning block, and the mounting seat is positioned on one side of the mounting plate far away from the guide assembly and is connected with the mounting plate. The locating pin is connected with the mount pad, and at least a portion is located mount pad one side. The locating block is located one side of the mounting seat and connected with the mounting seat. A positioning groove is formed in one side, away from the mounting seat, of the positioning block.

The hinge nut plate positioning device further comprises a limiting assembly, wherein the limiting assembly is positioned on one side, close to the mounting plate, of the guiding assembly and is connected with the guiding assembly. The limiting component is provided with a protruding part which is arranged opposite to the positioning block along the extending direction of the guide groove, and the protruding part is positioned in the positioning groove.

According to the technical means, the protruding part on the limiting component can be abutted against the groove wall of the positioning groove, so that the position of the positioning component can be limited to move, the positioning precision of the hinge nut plate positioning device is further improved, and the installation precision of the hinge nut plate is guaranteed.

Further, the cell wall of constant head tank includes first locating surface and second locating surface, and first locating surface is the inclined plane, and the second locating surface is the inclined plane. The first end of the second locating surface is connected with the first end of the first locating surface. The second end of the first positioning surface is positioned at one side of the first end of the first positioning surface far away from the second positioning surface, and the second end of the second positioning surface is positioned at one side of the first end of the second positioning surface far away from the first positioning surface. The first positioning surface and the second positioning surface form a positioning groove.

The protruding portion is close to locating piece one side and has interconnect's first guide surface and second guide surface, and first guide surface laminating with first locating surface, second guide surface laminating with the second locating surface.

According to the technical means, as the positioning groove is the triangular groove, the surface of the protruding part close to one side of the positioning block is the inclined surface, and the first positioning surface and the second positioning surface can play a guiding role in the process that the positioning block moves towards the direction close to the protruding part, so that the protruding part can smoothly enter the positioning groove, and the reliability of the hinge nut plate positioning device in use is effectively improved. And under the positioning action of the positioning block and the protruding part, the positioning precision of the positioning component is higher, and the stability and repeatability of the positioning precision are further ensured.

Further, the guide assembly comprises a base and a guide block, wherein the guide block is positioned on one side of the base, which is close to the mounting plate, and is connected with the base. The guide block is provided with a guide rail at one side close to the mounting plate. The hinge nut plate positioning device further comprises a dustproof component, wherein the dustproof component is positioned on one side of the base close to the guide block and is connected with the base. A portion of the dust assembly is located between the guide block and the mounting plate.

According to the technical means, the dustproof assembly above the guide block can play a role in shielding, and impurities such as dust are prevented from falling onto the guide block from the upper part of the dustproof assembly, so that smooth sliding of the guide rail in the guide groove is effectively ensured, and the working reliability of the hinge nut plate positioning device is further improved.

Further, the dustproof assembly comprises a first supporting plate, a second supporting plate and a dustproof cover plate. The first backup pad is connected with the base, and the second backup pad is connected with the base. Along the extending direction of guide way, first backup pad and second backup pad are located the both ends of guide block. The dustproof cover plate is located between the guide block and the mounting plate, is connected with one end of the first support plate far away from the base, and is connected with one end of the second support plate far away from the base.

According to the technical means, the dustproof cover plate can be fixedly connected to the base through the first support plate and the second support plate. Because first backup pad and second backup pad are located the relative both ends of guide block, and dustproof apron can carry out comprehensive shelter from the top of guide block, and it is better to shelter from the effect, has further avoided impurity such as dust to fall on the guide block.

Further, along the extending direction of the guide groove, one side of the mounting seat is provided with a supporting surface. The limiting assembly comprises a base body, a limiting block and a first limiting block. The seat body is connected with the guide component. The limiting block is positioned on one side of the seat body and connected with the seat body. One side of the limiting block, which is far away from the seat body, is provided with a protruding part. The first blocking block is positioned on one side of the base and is connected with the base. Along the extending direction of the guide groove, the first blocking block is arranged opposite to the mounting plate. The sliding assembly further comprises a second blocking block, and the second blocking block is located on one side, close to the first blocking block, of the mounting plate and connected with the mounting plate. The second blocking block is disposed opposite to the first blocking block.

According to the technical means, when the supporting surface on the mounting seat is just attached to the outer surface of the inner plate of the vehicle door, the second blocking block on the mounting plate is abutted against the first blocking block on the seat body, and the first blocking block can block the positioning assembly from continuing to move rightwards, so that extrusion deformation caused by the fact that the supporting surface faces the inner plate of the vehicle door is effectively avoided.

Further, the surface of the side of the first preventing block, which is close to the second preventing block, is an arc-shaped surface arched towards the second preventing block.

According to the technical means, because the first blocking block and the second blocking block are in line contact, when a user adjusts the position of the supporting surface by adding or reducing the adjusting gaskets between the first blocking block and the seat body and between the second blocking block and the mounting plate, the adjustment is more convenient.

The application has the beneficial effects that:

(1) Because the output shaft of cylinder passes through guide assembly and slip subassembly and is connected with the locating pin indirectly, and realizes sliding connection through guide rail and guide way structure between guide assembly and the slip subassembly, when the locating pin takes place to remove under the effect of cylinder, even the output shaft of cylinder takes place the position fluctuation, under the limiting displacement of guide way to the guide rail, the position of locating pin also can not take place to fluctuate to effectively promoted hinge nut board positioner's positioning accuracy and repeated accurate positioning's stability.

(2) The sliding assembly can drive a plurality of locating components to move simultaneously when sliding on the guide assembly, locating pins in the locating components can achieve simultaneous location of a plurality of hinge nut plates, and accordingly consistency of position accuracy of the hinge nut plates is effectively guaranteed, debugging difficulty in vehicle door installation is effectively reduced, and vehicle door installation efficiency is improved.

Drawings

FIG. 1 is a schematic front view of a hinge nut plate positioning device and a door inner panel, door reinforcement, and hinge nut plate of related art 1;

FIG. 2 is a schematic view of a back side of a hinge nut plate positioning device and a door inner panel, door reinforcement, and hinge nut plate of related art 1;

FIG. 3 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate of related art 2;

FIG. 4 is a schematic view of a back side of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate of related art 2;

FIG. 5 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate of related art 3;

FIG. 6 is a schematic view of a back side of a hinge nut plate positioning device and a door inner panel, door reinforcement, and hinge nut plate of related art 3;

FIG. 7 is one of the schematic views of a hinge nut plate positioning device provided in an embodiment of the application;

fig. 8 is a schematic view of an application scenario of a hinge nut plate positioning device according to an embodiment of the present application;

FIG. 9 is a second schematic view of a hinge nut plate positioning device according to an embodiment of the present application;

FIG. 10 is a schematic view of an assembly of a positioning device and a positioning fixture for a hinge nut plate according to an embodiment of the present application;

FIG. 11 is a partial schematic view of a vehicle door provided in an embodiment of the application;

FIG. 12 is one of the partial schematic views of the hinge nut plate positioning device provided in the embodiments of the application;

FIG. 13 is a second schematic view of a portion of a hinge nut plate positioning device according to an embodiment of the application;

FIG. 14 is a third schematic view of a portion of a hinge nut plate positioning device according to an embodiment of the application;

FIG. 15 is a fourth schematic view of a portion of a hinge nut plate positioning device provided in accordance with an embodiment of the application;

FIG. 16 is a fifth partial schematic view of a hinge nut plate positioning device provided in accordance with an embodiment of the application;

FIG. 17 is a schematic view of a positioning assembly according to an embodiment of the present application;

FIG. 18 is a sixth schematic illustration of a portion of a hinge nut plate positioning device provided in accordance with an embodiment of the application;

FIG. 19 is a sixth schematic view of a portion of a hinge nut plate positioning device provided in accordance with an embodiment of the application;

FIG. 20 is a schematic diagram of a pin boss according to an embodiment of the present application;

FIG. 21 is a schematic view of a base provided in an embodiment of the present application;

FIG. 22 is a schematic view of a hinged nutplate positioning apparatus provided in an embodiment of the present application in a first state;

fig. 23 is a schematic view of a hinge nut plate positioning device according to an embodiment of the application in a second state.

Wherein, the 100-hinge nut plate positioning device; 200-positioning a clamp; 201-a substrate; 1-a guide assembly; 2-a sliding assembly; 3-positioning assembly; 4-cylinder; 5-cylinder fixing seats; 6-limiting components; 7-clamping blocks; 8-a second limiting component; 9-a dust-proof assembly; 11-a guide rail; 12-limiting protrusions; 13-a base; 14-a guide block; 15-a cushioning assembly; 21-a mounting plate; 22-a first slider; 23-a second slider; 24-a second stop block; 25-a third stop block; 211-avoiding grooves; 41-Y-shaped connectors; 31-locating pins; 32-mounting seats; 33-positioning blocks; 321-a supporting surface; 322-mounting a body; 323-a first transfer block; 324-a second transfer block; 325-pin base; 331-a positioning groove; 332-a first positioning surface; 333-a second locating surface; 61-a boss; 62-a base; 63-limiting blocks; 64-a first stop block; 65-a stop seat; 66-fourth stop blocks; 91-a first support plate; 92-dustproof cover plate; 611-a first guide surface; 612—a second guide surface; 3251-mounting hole.

Detailed Description

Further advantages and effects of the present application will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Along with the increasing national standard of living, automobiles are used more and more frequently in daily life of people, and become one of important transportation means for people to walk. At the same time, with the development of the automobile industry, the expected value of the appearance and the use comfort of the automobile is higher and higher, which results in unprecedented competition of the automobile industry. In order to meet the increasing requirements of users, the precision requirements of the manufacture of the automobile body parts are continuously improved.

The automobile door hinge is a very important connecting part in an automobile, and can firmly hang the automobile door on an automobile body so as to realize the function of rotating and opening the automobile door. In order to achieve the connection of the door to the door hinge, the door hinge is generally used in combination with a hinge nut plate, which can be connected to the door reinforcement via the hinge nut plate. The door hinge and the hinge nut plate are assembled together to achieve a connection with the door as the hinge nut plate, the door reinforcement and the door inner plate are welded to each other.

Because the door hinge is connected with the door through the hinge nut plate, the position accuracy of the hinge nut plate on the door directly influences the loading accuracy of the door hinge. In order to ensure that the hinge nut plate has higher position accuracy on the vehicle door, the hinge nut plate needs to be used for positioning a hinge nut plate when being welded with the vehicle door, and the hinge nut plate positioning device can be used for positioning the position of the hinge nut plate on the vehicle door.

As shown in fig. 1 to 6, wherein fig. 1 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate in related art 1, fig. 2 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate in related art 1, fig. 3 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate in related art 2, fig. 4 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate in related art 2, fig. 5 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate in related art 3, and fig. 6 is a schematic front view of a hinge nut plate positioning device and a door inner panel, a door reinforcement, and a hinge nut plate in related art 3.

The positioning device of the hinge nut plate is generally fixedly arranged on the base plate of the positioning fixture, when the door inner plate, the door reinforcement and the hinge nut plate are required to be welded together, an operator can clamp and fix the door inner plate and the door reinforcement at the corresponding positions of the positioning fixture, then a positioning pin on the positioning device of the hinge nut plate sequentially penetrates through the door inner plate and the door reinforcement, and then a nut hole of the hinge nut plate is aligned with the positioning pin, so that the hinge nut plate is placed at a specific position of the door reinforcement. After the worker finishes positioning the hinge nut plate on the door reinforcement, the door inner plate, the door reinforcement and the hinge nut plate can be welded.

Because the hinge nut plate is generally provided with two nut holes, and each vehicle door is generally correspondingly provided with two hinges (an upper hinge and a lower hinge) and two hinge nut plates (an upper hinge nut plate and a lower hinge nut plate), in the related art, the hinge nut plate positioning device comprises two fixing seats, two double-guide-rod thin cylinders, two positioning pin seats, four positioning pins and two clamping mechanisms. Wherein, a double-guide-rod thin cylinder is arranged on a fixed seat, and is connected with a locating pin seat through a cylinder shaft guide rod on the double-guide-rod thin cylinder, and the locating pin seat is connected with two locating pins. Two clamping mechanisms are provided on the base plate of the positioning jig for conforming the hinge nut plate to the surface of the door reinforcement.

Thus, when the hinge nut plate positioning device is used, the cylinder shaft guide rods of the two double-guide-rod thin cylinders pneumatically extend along with the cylinder stroke to drive the four positioning pins to respectively penetrate through the through holes of the inner plate of the vehicle door and the through holes of the reinforcing piece of the vehicle door, and then an operator can respectively align the nut holes on the upper hinge nut plate and the lower hinge nut plate with the four positioning pins to finish the upper parts of the upper hinge nut plate and the lower hinge nut plate. At this time, the four positioning pins can control five degrees of freedom of the upper hinge nut plate and the lower hinge nut plate, respectively.

After the upper and lower hinge nut plates are completed, the two clamping mechanisms can clamp and limit the upper and lower hinge nut plates, respectively. At this time, the two clamping mechanisms may limit the other degrees of freedom of the upper hinge nut plate and the lower hinge nut plate, respectively.

Therefore, the hinge nut plate positioning device can limit six degrees of freedom of the upper hinge nut plate and the lower hinge nut plate, and operators can weld the door inner plate, the door reinforcing piece and the hinge nut plate. After the welding is finished, an operator retracts the cylinder shaft guide rod of the double-guide-rod thin cylinder through pneumatic control, so that the positioning pin is driven to retract outside the safety distance of the car door product, and the positioning clamp is opened to take out the part of the product welding assembly.

Aiming at the hinge nut plate positioning device in the related art, as the cylinder shaft guide rod of the double-guide-rod thin cylinder is connected with the positioning pin through the positioning pin seat, the cylinder shaft guide rod is easy to generate position fluctuation in the extending process, thereby causing the positioning pin to generate position fluctuation, and the positioning precision of the hinge nut plate positioning device is poor.

Moreover, since the vehicle door generally requires two hinges (upper hinge, lower hinge) and two hinge nut plates (upper hinge nut plate, lower hinge nut plate) to be correspondingly disposed, the assembly on the vehicle body can be achieved, and the loading accuracy of the vehicle door can be ensured only if the position accuracy of the upper hinge nut plate and the lower hinge nut plate are qualified and the positioning tolerance is kept consistent.

In the related art, the upper hinge nut plate and the lower hinge nut plate are connected and positioned separately by two thin guide rod cylinders, and because an angle exists between the axis direction of the nut holes on the upper hinge nut plate and the lower hinge nut plate and the coordinate axis of the vehicle body, the position precision consistency and the repeatability precision of the nut holes of the upper hinge nut plate and the lower hinge nut plate are easy to deviate, so that the installation and debugging efficiency of the vehicle door can be affected, and the debugging difficulty is increased.

Based on this, an embodiment of the present application provides a hinge nut plate positioning device, as shown in fig. 7, fig. 7 is a schematic view of a hinge nut plate positioning device 100 provided in an embodiment of the present application, where the hinge nut plate positioning device 100 may include a guide assembly 1, a sliding assembly 2, a positioning assembly 3, and a cylinder 4.

It can be understood that, as shown in fig. 8, fig. 8 is a schematic view of an application scenario of the hinge nut plate positioning device 100 according to the embodiment of the present application, the hinge nut plate positioning device 100 may be fixedly installed on the base plate 201 of the positioning fixture 200, and at this time, the guide assembly 1 may be connected to the base plate 201 of the positioning fixture 200.

As shown in fig. 9, fig. 9 is a schematic diagram of a hinge nut plate positioning device 100 according to an embodiment of the application, where the sliding component 2 is slidably connected with the guiding component 1. One of the guide assembly 1 and the slide assembly 2 is formed with a guide rail 11, and the other is formed with a guide groove (not shown in the drawings). The guide rail 11 is positioned in the guide groove and is in sliding connection with the guide groove. The positioning assembly 3 is connected with the sliding assembly 2, and the positioning assembly 3 comprises a positioning pin 31. The cylinder 4 is connected with the sliding component 2 and is used for driving the sliding component 2 to slide along the extending direction of the guide groove.

The cylinder 4 may apply a force to the sliding assembly 2 through the output shaft, so that the sliding assembly 2 may slide on the guide assembly 1. The sliding component 2 can drive the positioning component 3 to move when moving, and then can drive the positioning pin 31 to position the hinge nut plate.

Because the output shaft of cylinder 4 is connected with locating pin 31 through guide assembly 1 and slip subassembly 2 indirection, and realize sliding connection through guide rail 11 and guide way structure between guide assembly 1 and the slip subassembly 2, under the effect of cylinder 4, when locating pin 31 takes place to remove, even the output shaft of cylinder 4 takes place the position fluctuation, under the spacing effect of guide way to guide rail 11, the position of locating pin 31 also can not take place the fluctuation to effectively promoted the stability of hinge nut board positioner 100's positioning accuracy and repeated accurate location.

It will be appreciated that, as shown in fig. 10, fig. 10 is an assembly schematic diagram of the hinge nut plate positioning device 100 and the positioning fixture 200 according to the embodiment of the present application, when the hinge nut plate positioning device 100 is disposed on the base plate 201 of the positioning fixture 200, the air cylinder 4 may be connected to the base plate 201. In order to facilitate the installation of the cylinder 4 on the base plate 201, the hinge nut plate positioning device 100 may further include a cylinder fixing seat 5, and the cylinder fixing seat 5 is disposed at one side of the base plate 201 and connected to the base plate 201. The cylinder 4 is located at one side of the cylinder fixing seat 5 away from the base plate 201, and is connected with the cylinder fixing seat 5.

Since multiple hinges and multiple hinge nut plates are typically provided in a single door, in order to ensure consistent positioning tolerances of the multiple hinge nut plates on a single door, in some embodiments, the number of positioning assemblies 3 is multiple, as shown in fig. 9.

Like this, the slip subassembly 2 can drive a plurality of locating component 3 simultaneously and remove when sliding on guide component 1, and locating pin 31 in a plurality of locating component 3 can realize the simultaneous localization to a plurality of hinge nut boards, has effectively guaranteed the uniformity of a plurality of hinge nut board position accuracy to effectively reduced the debugging degree of difficulty when the door is installed, improved the installation effectiveness of door.

The number of positioning assemblies 3 may be specifically set according to the number of hinge nut plates on an actual vehicle door, and as illustrated in fig. 11, fig. 11 is a partial schematic view of a vehicle door according to an embodiment of the present application, when two hinge nut plates are provided on a single vehicle door, the number of positioning assemblies 3 (fig. 9) is also two.

It can be appreciated that by positioning the front and rear four doors on the vehicle by using the hinge nut plate positioning device 100 provided by the embodiment of the application, the precision of the hinge and the hinge nut plate on one door can be solved, and the precision of the front and rear four doors can be simultaneously solved, thereby improving the efficiency of tooling design and manufacturing.

The forming positions of the guide rail 11 and the guide groove are not particularly limited herein, as long as the slide module 2 can slide along the extending direction of the guide groove by the cooperation of the guide groove and the guide rail 11. Illustratively, the guide assembly 1 has a guide slot formed therein and the slide assembly 2 has a guide rail 11 formed thereon.

Of course, in other embodiments, as shown in fig. 9, the guide rail 11 is formed on the guide assembly 1, and the guide groove (not shown) is formed on the slide assembly 2. At this time, as shown in fig. 12, fig. 12 is one of the partial schematic views of the hinge nut plate positioning device 100 according to the embodiment of the present application, the sliding assembly 2 may include a mounting plate 21, a first sliding block 22, and a second sliding block 23. The mounting plate 21 is located on the side of the guide assembly 1, connected to the cylinder 4 (fig. 9), and connected to the positioning assembly 3 (fig. 9). The first sliding block 22 is located on one side of the mounting plate 21 close to the guide assembly 1 and is detachably connected with the mounting plate 21. The second sliding block 23 is located on one side of the mounting plate 21 close to the guide assembly 1 and is detachably connected with the mounting plate 21. The first slider 22 and the second slider 23 are disposed opposite to each other. A guide groove (not shown) is formed between the first slider 22 and the second slider 23. The guide assembly 1 forms a guide rail 11 (fig. 9) on the side close to the mounting plate 21, and the first slider 22 and the second slider 23 are both slidably connected to the guide rail 11.

Because the first sliding block 22 and the second sliding block 23 are both detachably connected with the mounting plate 21, when the guide rail 11 on the guide assembly 1 slides between the first sliding block 22 and the second sliding block 23 for a long time to cause abrasion of the first sliding block 22 or the second sliding block 23, a user only needs to replace the new first sliding block 22 or the new second sliding block 23 without replacing the mounting plate 21, so that the maintenance cost of the hinge nut plate positioning device 100 is effectively reduced.

Of course, in other embodiments, the sliding assembly 2 is composed of only the mounting plate 21, and the guide groove is formed on the side of the mounting plate 21 near the guide assembly 1. The guide rail 11 of the guide component 1, which is close to one side of the mounting plate 21, is clamped in the guide groove and is in sliding connection with the mounting plate 21. Since the slide assembly 2 includes only the mounting plate 21, the slide assembly 2 has a smaller component structure, thereby making the slide assembly 2 less costly to manufacture.

When the guide rail 11 slides in the guide groove, in order to prevent the guide rail 11 from falling out of the guide groove, in some embodiments, a first sliding groove (not shown) is formed on a side of the first sliding block 22 close to the guide rail 11 (fig. 9), and a second sliding groove (not shown) is formed on a side of the second sliding block 23 close to the guide rail 11, where the extending directions of the first sliding groove and the second sliding groove are the same as the extending directions of the guide groove (not shown).

As shown in fig. 13, fig. 13 is a second schematic diagram of a part of a hinge nut plate positioning device 100 according to an embodiment of the present application, a side of a guide rail 11 near a first sliding block 22 and a side of the guide rail 11 near a second sliding block 23 are both formed with a limiting protrusion 12, wherein one limiting protrusion 12 is located in a first sliding groove (not shown in the figure), and the other limiting protrusion 12 is located in a second sliding groove (not shown in the figure).

Like this, because the spacing protruding 12 of the relative both sides of guide rail 11 joint respectively in first spout and second spout, the cell wall of first spout and second spout can form to the spacing protruding 12 and support and lean on to can effectively restrict guide rail 11 and deviate from in the guide way, effectively promoted the reliability of sliding component 2 and guide component 1 sliding connection.

The number of the guide assemblies 1 may be specifically set according to actual requirements, and illustratively, the number of the guide assemblies 1 is two, and the two guide assemblies 1 are arranged at one side of the mounting plate 21 at intervals. At this time, the sliding assembly 2 includes two first sliding blocks 22 and two second sliding blocks 23. The guide rail 11 on one of the guide assemblies 1 is located between one of the first slider blocks 22 and one of the second slider blocks 23, and the guide rail 11 on the other of the guide assemblies 1 is located between the other of the first slider blocks 22 and the other of the second slider blocks 23. Thus, as the two guide assemblies 1 can form supporting limit for the sliding assembly 2, the sliding assembly 2 has higher stability in sliding.

When the number of the guide assemblies 1 is two, as shown in fig. 14 and 15, fig. 14 is a third partial schematic view of the hinge nut plate positioning device 100 according to the embodiment of the present application, and fig. 15 is a fourth partial schematic view of the hinge nut plate positioning device 100 according to the embodiment of the present application, where the cylinder 4 and the cylinder fixing seat 5 are disposed on the side of the mounting plate 21 near the guide assemblies 1 and between the two guide assemblies 1. To facilitate connection of the cylinder 4 to the mounting plate 21, the output shaft of the cylinder 4 may be connected to the mounting plate 21 by a Y-connector 41.

After the positioning pin 31 in the positioning assembly 3 positions the hinge nut plate, the operator needs to weld the door inner plate, the door reinforcement member, and the hinge nut plate, in order to prevent the position of the positioning pin 31 from moving during welding, in some embodiments, as shown in fig. 16 and 17, fig. 16 is a schematic view of a portion of the positioning device 100 for the hinge nut plate according to the embodiment of the present application, and fig. 17 is a schematic view of the positioning assembly 3 according to the embodiment of the present application, where the positioning assembly 3 may further include a mounting seat 32 and a positioning block 33. The mounting base 32 is located on the side of the mounting plate 21 remote from the guide assembly 1 (fig. 9) and is connected to the mounting plate 21. The positioning pin 31 is connected to the mount 32, and at least a part thereof is located on one side of the mount 32. The positioning block 33 is located at one side of the mounting seat 32 and is connected with the mounting seat 32. The positioning block 33 is provided with a positioning groove 331 at a side far away from the mounting seat 32.

As shown in fig. 18, fig. 18 is a sixth schematic view of a part of a hinge nut plate positioning device 100 according to an embodiment of the present application, the hinge nut plate positioning device 100 may further include a limiting component 6, where the limiting component 6 is located on a side of the guiding component 1 near the mounting plate 21 and is connected to the guiding component 1. The stopper assembly 6 has a boss 61, and the boss 61 is disposed opposite to the positioning block 33 (fig. 17) in the extending direction of the guide groove (not shown). The boss 61 is located within the detent 331 (fig. 17).

It will be appreciated that, as shown in fig. 16, at least a portion of the positioning pin 31 and the positioning block 33 are located on the same side of the mount 32 along the extending direction of the guide groove (not shown in the figure). When the positioning assembly 3 slides along the extending direction of the guide groove, at least a part of the positioning pin 31 can penetrate through the nut hole on the hinge nut plate, and the protruding part 61 can be clamped in the positioning groove 331 on the positioning block 33.

In this way, the protruding portion 61 on the limiting component 6 can be abutted against the groove wall of the positioning groove 331, so that the position of the positioning component 3 can be limited to move, the positioning precision of the hinge nut plate positioning device 100 is further improved, and the installation precision of the hinge nut plate is guaranteed.

When the operator welds the door inner panel, the door reinforcement, and the hinge nut plate after the positioning pin 31 positions the hinge nut plate, in order to prevent deformation of the door panel, the door reinforcement, and the hinge nut plate from affecting the welding, in some embodiments, as shown in fig. 17, one side of the mount 32 has a support surface 321 along the extending direction of the guide groove (not shown in the drawing). It will be appreciated that the support surface 321 is located on the side of the mounting block 32 adjacent the locating block 33.

After the locating pin 31 moves along the extending direction of the guide groove and penetrates through the door inner plate, the door reinforcement and the hinge nut plate, the supporting surface 321 can be attached to the surface of one side of the door inner plate, so that the mounting seat 32 supports the door inner plate, and deformation caused by stress of the door panel, the door reinforcement and the hinge nut plate during welding is effectively avoided.

After the locating pin 31 penetrates the inner door panel, the door reinforcement and the hinge nut plate and the supporting surface 321 is attached to the surface on one side of the inner door panel, the locating pin 31 and the mounting seat 32 cooperate to limit five degrees of freedom of the hinge nut plate, and in order to limit another degree of freedom of the hinge nut plate, as shown in fig. 19, fig. 19 is a schematic view of a part of the hinge nut plate locating device 100 according to an embodiment of the present application, the hinge nut plate locating device 100 may further include a clamping block 7, where the clamping block 7 is connected to a structure on the positioning fixture 200, so as to apply a force to the hinge nut plate, so that the hinge nut plate, the door reinforcement and the inner door panel tightly abut against the supporting surface 321 of the mounting seat 32.

In this way, the clamping block 7 can be implemented to limit another degree of freedom of the hinge nut plate, further ensuring the positional accuracy of the hinge nut plate.

It will be appreciated that when the number of positioning members 3 is two, as shown in fig. 18, the hinge nut plate positioning device 100 may further include a second limiting member 8, where the second limiting member 8 is located on a side of the mounting plate 21 away from the guide member 1, and the second limiting member 8 also has a protrusion 61. The protruding portion 61 in the second spacing member 8 is disposed opposite the positioning block 33 (fig. 16) in one of the positioning members 3 along the extending direction of the guide groove (not shown in the drawing). The protruding part 61 in the limiting assembly 6 is arranged opposite to the positioning block 33 in the other positioning assembly 3.

In order to avoid the obstruction of the passage of the welding tongs during welding by the projection 61, the limiting assembly 6 is connected with the guiding assembly 1 and the second limiting assembly 8 is connected with other assemblies on the clamp.

To facilitate the snap-fit of the boss 61 into the positioning slot 331, in some embodiments, as shown in fig. 17, the slot wall of the positioning slot 331 may include a first positioning surface 332 and a second positioning surface 333. The first positioning surface 332 is an inclined surface, and the second positioning surface 333 is an inclined surface. The first end of the second positioning surface 333 is connected to the first end of the first positioning surface 332. The second end of the first positioning surface 332 is located at a side of the first end of the first positioning surface 332 away from the second positioning surface 333, and the second end of the second positioning surface 333 is located at a side of the first end of the second positioning surface 333 away from the first positioning surface 332. The first positioning surface 332 and the second positioning surface 333 form a positioning groove 331.

As shown in fig. 18, the boss 61 has a first guide surface 611 and a second guide surface 612 that are connected to each other on a side near the positioning block 33 (fig. 19), the first guide surface 611 is bonded to the first positioning surface 332 (fig. 17), and the second guide surface 612 is bonded to the second positioning surface 333 (fig. 17).

Because the positioning groove 331 is a triangular groove, the surface of the protruding portion 61 near one side of the positioning block 33 is an inclined surface, and when the positioning block 33 moves towards the direction near the protruding portion 61, the first positioning surface 332 and the second positioning surface 333 can play a guiding role, so that the protruding portion 61 can smoothly enter the positioning groove 331, and the reliability of the hinge nut plate positioning device 100 in use is effectively improved. And under the positioning action of the positioning block 33 and the protruding part 61, the positioning precision of the positioning assembly 3 is higher, and the stability and repeatability of the positioning precision are further ensured.

As shown in fig. 19, the mounting block 32 may include a mounting body 322, a first adapter block 323, a second adapter block 324, and a pin boss 325. The mounting body 322 is connected to the mounting plate 21 (fig. 18), and the positioning block 33 is connected to the mounting body 322. The first adapter 323 is located on a side of the mounting body 322 remote from the mounting plate 21 and is connected to the mounting body 322. The second adapter block 324 is located at a side of the mounting body 322 far from the mounting plate 21, and along the extending direction of the guide groove, the second adapter block 324 is located at a side of the first adapter block 323 near the positioning block 33, and is connected with the first adapter block 323. The pin base 325 is located at one side of the second adapter block 324 along the first direction X and is connected to the second adapter block 324. The positioning pin 31 is connected to the pin holder 325, and at least a part of the positioning pin 31 is located on the pin holder 325 side along the extending direction of the guide groove. The pin holder 325 has a support surface 321 (fig. 17) on the side thereof adjacent to the positioning pin 31.

The first direction X is perpendicular to the extending direction of the guide groove, and is parallel to the surface of the mounting body 322 on the side away from the mounting plate 21.

In this way, the operator can achieve adjustment of the position of the positioning pin 31 in three directions by adding or subtracting shims between the mounting body 322 and the first adapter block 323, between the first adapter block 323 and the second adapter block 324, and between the second adapter block 324 and the pin boss 325.

The connection between the positioning pin 31 and the pin holder 325 may have various connection forms, as shown in fig. 20, and fig. 20 is a schematic diagram of the pin holder 325 according to the embodiment of the present application, where the pin holder 325 is provided with a mounting hole 3251, and the positioning pin 31 (fig. 19) is inserted into the mounting hole 3251 and then fastened by a screw.

In some embodiments, as shown in fig. 18, the guide assembly 1 may include a base 13 and a guide block 14. The guide block 14 is located on one side of the base 13 near the mounting plate 21, and is connected with the base 13. The guide block 14 has a guide rail 11 (fig. 13) on the side close to the mounting plate 21. The base 13 may be coupled with the base 201 of the localization fixture 200. The side of the base 13 adjacent the mounting plate 21 may provide a mounting location for the guide block 14.

Because an included angle exists between the nut hole of the hinge nut plate and the base plate 201 (vehicle body coordinate axis) of the positioning fixture 200, in order to ensure that the moving direction of the positioning pin 31 is parallel to the axis direction of the nut hole of the hinge nut plate, as shown in fig. 21, fig. 21 is a schematic view of the base 13 provided in the embodiment of the present application, and the surface of the base 13 near one side of the guide block 14 (fig. 18) is an inclined surface.

The surface of the cylinder fixing seat 5, which is far away from the side of the base plate 201, is also an inclined surface. The included angle between the inclined plane on the base 13 and the base plate 201 is the same as the included angle between the nut hole and the base plate 201, and the included angle between the inclined plane on the cylinder fixing seat 5 and the base plate 201 is the same as the included angle between the nut hole and the base plate 201.

In order to prevent dust and other impurities from falling onto the guide rail 11 of the guide block 14, as shown in fig. 18, the hinge nut plate positioning device 100 may further include a dust prevention assembly 9, where the dust prevention assembly 9 is located on a side of the base 13 near the guide block 14 and connected to the base 13. A portion of the dust assembly 9 is located between the guide block 14 and the mounting plate 21. The dustproof assembly 9 above the guide block 14 can play a role in shielding, and impurities such as dust are prevented from falling onto the guide block 14 from the upper side of the dustproof assembly 9, so that smooth sliding of the guide rail 11 in the guide groove is effectively ensured, and the working reliability of the hinge nut plate positioning device 100 is further improved.

With continued reference to fig. 18, in some embodiments, the dust assembly 9 may include a first support plate 91, a second support plate (not shown), and a dust cover plate 92. The first support plate 91 is connected to the base 13. The second support plate is connected to the base 13. The first support plate 91 and the second support plate are located at both ends of the guide block 14 in the extending direction of the guide groove (not shown in the drawing). The dust cover 92 is located between the guide block 14 and the mounting plate 21, connected to an end of the first support plate 91 remote from the base 13, and connected to an end of the second support plate remote from the base 13.

The dust cover 92 may be secured to the base 13 by a first support plate 91 and a second support plate. Because the first supporting plate 91 and the second supporting plate are located at two opposite ends of the guide block 14, the dust cover plate 92 can comprehensively shield the upper portion of the guide block 14, the shielding effect is better, and impurities such as dust are further prevented from falling onto the guide block 14.

In order to prevent the dust cover 92 from obstructing the sliding of the sliding assembly 2 on the guide block 14, as shown in fig. 12, a avoiding groove 211 is formed on one side of the mounting plate 21, which is close to the guide block 14 (fig. 18), and the dust cover 92 is disposed in the avoiding groove 211.

In some embodiments, as shown in fig. 18, the limiting assembly 6 may include a seat 62 and a limiting block 63, where the seat 62 is connected to the guide assembly 1. The limiting block 63 is located at one side of the base 62 and connected with the base 62. The stopper 63 has a protruding portion 61 on a side away from the seat 62. The seat 62 may provide a mounting location for the stop block 63, and the stop block 63 may be coupled to the guide assembly 1 via the seat 62.

The limiting assembly 6 may further include a first blocking piece 64, where the first blocking piece 64 is located on one side of the base 62 and is connected to the base 62. The first blocking piece 64 is disposed opposite to the mounting plate 21 along the extending direction of the guide groove (not shown in the drawing). The slide assembly 2 may further include a second stop 24, the second stop 24 being located on a side of the mounting plate 21 adjacent to the first stop 64 and coupled to the mounting plate 21. The second stopper 24 is disposed opposite to the first stopper 64.

It will be appreciated that, as shown in fig. 22, fig. 22 is a schematic view of the hinge nut plate positioning device 100 provided in the embodiment of the present application in the first state, along the extending direction of the guide groove (not shown in the drawings), the orientation of the positioning block 33 on the mounting base 32 is the same as the orientation of the second blocking block 24 on the mounting plate 21, that is, the positioning block 33 is located on the right side of the mounting base 32, and the second blocking block 24 is located on the right side of the mounting plate 21.

In this way, in the process that the mounting plate 21 drives the positioning pin 31 in the positioning assembly 3 to move rightward, when the supporting surface 321 on the mounting seat 32 just fits the outer surface of the inner door panel, the second blocking block 24 on the mounting plate 21 abuts against the first blocking block 64 on the seat body 62, and the first blocking block 64 can block the positioning assembly 3 from continuing to move rightward, so that extrusion deformation of the supporting surface 321 on the inner door panel is effectively avoided.

In order to prevent the second stop block 24 from abutting against the first stop block 64 at a greater speed during the process of moving the positioning pin 31 of the positioning assembly 3 rightward by the mounting plate 21, as shown in fig. 18, the hinge nut plate positioning device 100 may further include a buffer assembly 15, where the buffer assembly 15 is disposed on the base plate 201 (fig. 8) of the positioning fixture 200 and located on a side of the mounting plate 21 adjacent to the second stop block 24. The cushion assembly 15 has elasticity.

When the second stop block 24 moves toward the first stop block 64 and is about to contact the first stop block 64, the buffer assembly 15 may contact the mounting plate 21, so as to apply a force to the mounting plate 21 opposite to the movement direction of the mounting plate 21, and the force may reduce the movement speed of the mounting plate 21, thereby effectively reducing the impact force generated on the first stop block 64 when the second stop block 24 contacts the first stop block 64, ensuring the positional accuracy of each component in the hinge nut plate positioning device 100, and prolonging the service life of the hinge nut plate positioning device 100.

After the first stop block 64 abuts the second stop block 24, to facilitate adjusting the position of the support surface 321, in some embodiments, with continued reference to fig. 18, a surface of the first stop block 64 on a side adjacent to the second stop block 24 is an arcuate surface that arches toward the second stop block 24. Thus, because of the line contact between the first stop block 64 and the second stop block 24, adjustment is more convenient when the user adjusts the position of the support surface 321 by adding or subtracting adjustment shims between the first stop block 64 and the seat 62 and between the second stop block 24 and the mounting plate 21.

When the number of the guide assemblies 1 is two, with continued reference to fig. 18, the slide assembly 2 may further include three third stop blocks 25, wherein one third stop block 25 is located on the side of the mounting plate 21 adjacent to the second stop block 24 and is connected to the mounting plate 21. The other two third blocking blocks 25 are located on the side of the mounting plate 21 away from the second blocking blocks 24 and are connected with the mounting plate 21. At this time, the limiting assembly 6 may further include three blocking seats 65 and three fourth blocking blocks 66. Two of the blocking seats 65 are located on the side of one of the guide assemblies 1 adjacent to the mounting plate 21 and are connected to the guide assembly 1. The other stopping seat 65 is located on one side of the other guiding component 1 close to the seat body 62, is connected with the guiding component 1, and is arranged opposite to the seat body 62. A fourth blocking block 66 is located on one side of the blocking seat 65 and is connected to the blocking seat 65. A fourth stop 66 is arranged opposite a third stop 25. The surface of the fourth block 66 on the side close to the third block 25 is an arc surface arched toward the third block 25.

Thus, as shown in fig. 22, when the mounting plate 21 slides rightward to drive the positioning pin 31 (fig. 19) to penetrate the door inner panel, the door reinforcement and the hinge nut plate, and the supporting surface 321 (fig. 17) is just attached to the door inner panel, the first stop block 64 on the right side of the mounting plate 21 abuts against the second stop block 24, and the third stop block 25 and the fourth stop block 66 on the right side of the mounting plate 21 abut against each other, so that the positioning assembly 3 is prevented from continuing to move rightward to cause extrusion deformation to the door inner panel.

As shown in fig. 23, fig. 23 is a schematic diagram of a hinge nut plate positioning device 100 in a second state according to the embodiment of the present application, when welding the door inner panel, the door reinforcement and the hinge nut plate is completed, the mounting plate 21 slides leftwards to separate the positioning pin 31 from the door inner panel, the door reinforcement and the hinge nut plate, and two third blocking blocks 25 on the left side of the mounting plate 21 can abut against two fourth blocking blocks 66 respectively, so that the sliding assembly 2 is effectively prevented from derailing due to an excessive left sliding distance.

Therefore, the first, second, third and fourth blocking blocks 64, 24, 25 and 66 can form a block on both left and right sides of the mounting plate 21, effectively ensuring the reliability of the hinge nut plate positioning device 100 when in operation.

In order to ensure the positional accuracy of the hinge nut plate positioning device 100 on the base plate 201 of the positioning jig 200 and the positional accuracy between the respective components in the hinge nut plate positioning device 100, the base 13 and the cylinder fixing base 5 are connected to the base plate 201 of the positioning jig 200 by screws and pins, and the components in the hinge nut plate positioning device 100 having a connection relationship are connected by screws and pins.

The above embodiments are merely preferred embodiments for fully explaining the present application, and the scope of the present application is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present application, and are intended to be within the scope of the present application.

Claims (10)

1. A hinge nut plate positioning device, comprising:

a guide assembly (1);

the sliding component (2) is in sliding connection with the guide component (1); one of the guide assembly (1) and the sliding assembly (2) is formed with a guide rail (11), and the other is formed with a guide groove; the guide rail (11) is positioned in the guide groove and is in sliding connection with the guide groove;

the positioning assembly (3) is connected with the sliding assembly (2), and the positioning assembly (3) comprises a positioning pin (31);

A cylinder (4) connected to the sliding assembly (2); the air cylinder (4) is used for driving the sliding component (2) to slide along the extending direction of the guide groove.

2. A hinge nut plate positioning device according to claim 1, characterized in that the number of positioning assemblies (3) is plural.

3. A hinge nut plate positioning apparatus according to claim 2, characterized in that said slide assembly (2) comprises:

the mounting plate (21) is positioned at one side of the guide assembly (1), connected with the air cylinder (4) and connected with the positioning assembly (3);

the first sliding block (22) is positioned on one side of the mounting plate (21) close to the guide assembly (1) and is detachably connected with the mounting plate (21);

the second sliding block (23) is positioned on one side of the mounting plate (21) close to the guide assembly (1) and is detachably connected with the mounting plate (21); the first sliding block (22) and the second sliding block (23) are oppositely arranged;

the guide groove is formed between the first sliding block (22) and the second sliding block (23); the guide assembly (1) is close to one side of the mounting plate (21) to form the guide rail (11), and the first sliding block (22) and the second sliding block (23) are both in sliding connection with the guide rail (11).

4. A hinge nut plate positioning device according to claim 3, characterized in that a first slide groove is provided on a side of said first slide block (22) close to said guide rail (11), a second slide groove is provided on a side of said second slide block (23) close to said guide rail (11), and the extending directions of said first slide groove and said second slide groove are the same as the extending directions of said guide grooves; limiting protrusions (12) are formed on one side, close to the first sliding block (22), of the guide rail (11) and on one side, close to the second sliding block (23), of the guide rail (11), one limiting protrusion (12) is located in the first sliding groove, and the other limiting protrusion (12) is located in the second sliding groove.

5. A hinge nut plate positioning device as claimed in claim 3, characterized in that said positioning assembly (3) further comprises:

the mounting seat (32) is positioned on one side of the mounting plate (21) away from the guide assembly (1) and is connected with the mounting plate (21); the locating pin (31) is connected with the mounting seat (32), and at least one part of the locating pin is positioned on one side of the mounting seat (32); the method comprises the steps of,

the positioning block (33) is positioned at one side of the mounting seat (32) and is connected with the mounting seat (32); a positioning groove (331) is formed in one side, away from the mounting seat (32), of the positioning block (33);

The hinge nut plate positioning device further includes:

the limiting assembly (6) is positioned on one side, close to the mounting plate (21), of the guide assembly (1) and is connected with the guide assembly (1); the limiting component (6) is provided with a protruding part (61), and the protruding part (61) is opposite to the positioning block (33) along the extending direction of the guide groove; the boss (61) is located in the positioning groove (331).

6. A hinge nut plate positioning device as claimed in claim 5, characterized in that the groove wall of said positioning groove (331) comprises:

a first positioning surface (332), wherein the first positioning surface (332) is an inclined surface; the method comprises the steps of,

a second positioning surface (333), the second positioning surface (333) being an inclined surface; a first end of the second positioning surface (333) is connected with a first end of the first positioning surface (332); the second end of the first positioning surface (332) is located at one side of the first end of the first positioning surface (332) away from the second positioning surface (333), and the second end of the second positioning surface (333) is located at one side of the first end of the second positioning surface (333) away from the first positioning surface (332); the first positioning surface (332) and the second positioning surface (333) form the positioning groove (331);

the protruding portion (61) is close to one side of the positioning block (33) and is provided with a first guide surface (611) and a second guide surface (612) which are connected with each other, the first guide surface (611) is attached to the first positioning surface (332), and the second guide surface (612) is attached to the second positioning surface (333).

7. A hinge nut plate positioning device according to claim 3, characterized in that said guide assembly (1) comprises:

a base (13); the method comprises the steps of,

the guide block (14) is positioned on one side of the base (13) close to the mounting plate (21) and is connected with the base (13); the guide block (14) is provided with the guide rail (11) at one side close to the mounting plate (21);

the hinge nut plate positioning device further includes:

the dustproof assembly (9) is positioned on one side of the base (13) close to the guide block (14) and is connected with the base (13); a part of the dust-proof assembly (9) is located between the guide block (14) and the mounting plate (21).

8. A hinge nut plate positioning device according to claim 7, characterized in that said dust-proof assembly (9) comprises:

a first support plate (91) connected to the base (13);

the second supporting plate is connected with the base (13); along the extending direction of the guide groove, the first supporting plate (91) and the second supporting plate are positioned at two ends of the guide block (14); the method comprises the steps of,

the dustproof cover plate (92) is positioned between the guide block (14) and the mounting plate (21), is connected with one end of the first support plate (91) far away from the base (13), and is connected with one end of the second support plate far away from the base (13).

9. A hinge nut plate positioning device as claimed in claim 5, characterized in that one side of said mount (32) has a support surface (321) along the direction of extension of said guide slot;

the limit assembly (6) comprises:

the seat body (62) is connected with the guide assembly (1);

the limiting block (63) is positioned at one side of the seat body (62) and is connected with the seat body (62); the side, far away from the seat body (62), of the limiting block (63) is provided with the protruding part (61); the method comprises the steps of,

a first blocking block (64) positioned on one side of the seat body (62) and connected with the seat body (62); the first blocking block (64) is arranged opposite to the mounting plate (21) along the extending direction of the guide groove;

the sliding assembly (2) further comprises:

a second blocking block (24) which is positioned on one side of the mounting plate (21) close to the first blocking block (64) and is connected with the mounting plate (21); the second stop block (24) is disposed opposite the first stop block (64).

10. The hinge nut plate positioning apparatus of claim 9, characterized in that,

the surface of the first blocking block (64) close to one side of the second blocking block (24) is an arc-shaped surface arched towards the second blocking block (24).