CN214393120U

CN214393120U - Hinge assembly fixture

Info

Publication number: CN214393120U
Application number: CN202120516643.7U
Authority: CN
Inventors: 董哲; 房彦明; 张艳军; 果强; 王海伦; 李福友
Original assignee: Nobo Automotive Systems Co Ltd
Current assignee: Nobo Automotive Systems Co Ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-10-15
Anticipated expiration: 2031-03-11

Abstract

The utility model provides a hinge assembly fixture, which belongs to the technical field of shaft component assembly, and comprises a bracket, a pressing fixture, a jacking fixture and a driving element, wherein the bracket comprises a bottom plate and a supporting plate arranged on the bottom plate; the bottom plate is provided with a conformal positioning block for positioning the glove box, and the supporting plate is provided with an axially-guided sliding rail; the pressing jig is used for axially pressing the rotating shaft; the jacking jig is arranged on the supporting plate and used for positioning the hinge, and is in force application fit with the pressing jig in the assembling process to provide a reaction force for press mounting of the rotating shaft; the driving element is arranged on the supporting plate, the pressing jig is driven to move along the sliding rail, and the rotating shaft is pressed to assemble the hinge. The hinge assembly tool provided by the utility model can eliminate the damage to the welding strength and improve the assembly strength and the assembly quality; the assembly consistency is ensured, the assembly precision is improved, the labor intensity is reduced, and the assembly efficiency is improved.

Description

Hinge assembly fixture

Technical Field

The utility model belongs to the technical field of the assembly of shaft parts, more specifically say, relate to a hinge assembly fixture.

Background

The utility model discloses a glove compartment of car needs be in the same place through the pivot assembly with the hinge, because the mounting hole interference fit of pivot and glove compartment, people's frock is fit for the time, and the pivot passes the shaft hole of hinge and the mounting hole position of glove compartment, then uses the hand hammer to strike the pivot outer end many times, squeezes into the mounting hole of glove compartment with the pivot hammering in, and this kind of mounting means has following shortcoming:

(1) the assembly process of the hinge is positioned after the inner door and the outer door of the glove box are welded, the product is assembled by adopting a vibration friction welding process, the side surface of the assembly position of the hinge is a welding area, the hammering force application direction is parallel to the surface of the welding area, and tangential stress is generated on the welding area to damage the welding strength;

(2) products are hammered, the volume of the rotating shaft is small, the assembly resistance is large, the force application direction and the force application direction cannot be unified, stable force application to the rotating shaft is difficult, the inner wall of the mounting column hole can be damaged to different degrees when the rotating shaft passes through the mounting hole, the final interference fit state among the products is influenced, the looseness degree of the assembled sundry box assembly is further influenced, and the state consistency of the mounted products is poor;

(3) product hammering assembly is the main physical consumption of staff in periodic operation, and the manual operation intensity is higher;

(4) artifical manual equipment hinge of knocking, the operating efficiency is low, influences whole line body beat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hinge assembly fixture can reduce assembly operation intensity, improves assembly quality and assembly efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a hinge assembly fixture, includes: the support comprises a bottom plate and a supporting plate arranged on the bottom plate; the bottom plate is provided with a conformal positioning block for positioning the glove box, and the supporting plate is provided with an axially-guided sliding rail; the pressing jig is used for axially pressing the rotating shaft; the jacking jig is arranged on the supporting plate and used for positioning the hinge, and is in force application fit with the pressing jig in the assembling process to provide a reaction force for press mounting of the rotating shaft; the driving element is arranged on the supporting plate and drives the pressing jig to move along the sliding rail, and the rotating shaft is pressed and mounted to achieve assembly of the hinge.

As another embodiment of this application, compress tightly the tool including compress tightly the body, with the guide block that the slide rail slides and links to each other and be used for the axial to compress tightly the briquetting of pivot, the guide block with the briquetting branch is located compress tightly the both sides of body.

As another embodiment of the application, a sliding block in sliding fit with the sliding rail is arranged on the guide block.

As another embodiment of this application, the tight tool in top including the tight body in top and with the tight piece in top of the tight body coupling in top, the tight piece in top with the briquetting cooperation provides the effort of pivot pressure equipment.

As another embodiment of this application, it includes a plurality of to compress tightly the tool, it includes a plurality of to push up tight piece to push up tight tool, the briquetting with push up tight piece and cooperate in pairs, can a plurality of pivots of pressure equipment simultaneously.

As another embodiment of the present application, the driving element is a cylinder, a hydraulic cylinder or an electric push rod.

As another embodiment of the application, the bottom plate is provided with a plurality of shape following positioning blocks for providing multipoint positioning for the tidy along with the shape.

As another embodiment of the application, a plurality of random limiting blocks are arranged on the supporting plate, and a plurality of random limiting points are provided for the sundry box on the side surface.

As another embodiment of the present application, a control switch for controlling the driving element to be turned on and off is disposed on the bottom plate.

As another embodiment of the present application, the back of the support plate is provided with reinforcing legs.

The utility model provides a hinge assembly fixture's beneficial effect lies in: compared with the prior art, the utility model discloses hinge assembly fixture utilizes the drive element drive to compress tightly the tool and removes along the slide rail, makes to compress tightly the tool and drive the pivot axial and impress, links together hinge and glove compartment. Due to the guiding action of the sliding rail, the driving element can drive the pressing jig to apply stable and reliable axial force to the rotating shaft, so that the rotating shaft is pressed into the mounting hole, the peripheral welding area cannot be damaged by tangential stress, the damage to the welding strength can be eliminated, and the assembly strength and the assembly quality are improved; due to the guiding of the sliding rail, the acting force of the pressing jig acting on the rotating shaft is consistent with the moving direction of the rotating shaft, so that the assembly consistency can be ensured, and the assembly precision is improved; the driving element is used for applying acting force, so that the labor intensity can be reduced, and the assembly efficiency can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a hinge assembly tool according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a hinge assembly fixture provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an assembly process of the hinge assembly tool provided by the embodiment of the present invention.

In the figure: 1. a slide rail; 2. a slider; 3. a drive element; 4. a support; 41. a support plate; 42. a reinforcing leg; 43. a base plate; 5. a conformal positioning block; 6. a control switch; 7. a shape-following limiting block; 8. tightly pushing the jig; 81. tightly pushing the body; 82. a jacking block; 9. pressing the jig; 91. briquetting; 92. the body is compressed; 93. a guide block; 10. a glove box.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, a hinge assembling tool according to the present invention will be described. The hinge assembling tool comprises a support 4, a pressing jig 9, a jacking jig 8 and a driving element 3, wherein the support 4 comprises a bottom plate 43 and a supporting plate 41 arranged on the bottom plate 43; a conformal positioning block 5 for positioning the glove box 10 is arranged on the bottom plate 43, and an axially-guided sliding rail 1 is arranged on the supporting plate 41; the pressing jig 9 is used for axially pressing the rotating shaft; the jacking jig 8 is arranged on the supporting plate 41 and used for positioning the hinge, and is in force application fit with the pressing jig 9 in the assembling process to provide a reaction force for press mounting of the rotating shaft; the driving element 3 is arranged on the supporting plate 41, drives the pressing jig 9 to move along the sliding rail 1, and presses the rotating shaft to realize the assembly of the hinge.

The utility model provides a hinge assembly fixture utilizes the drive of drive element 3 to compress tightly tool 9 and removes along slide rail 1, makes to compress tightly tool 9 and drives the pivot axial and impress, links together hinge and glove compartment 10. The method has the following advantages aiming at the problems in the prior art:

(1) damage to the welding strength can be eliminated. The method comprises the following steps: because the guide effect of slide rail 1, drive element 3 can drive and compress tightly tool 9 and exert reliable and stable axial force to the pivot, makes the pivot impress in the mounting hole, because hinge and pivot are through compressing tightly tool 9 and the cooperation of the tight tool 8 in top, pivot and hinge receive axial reaction force, and welding area can not receive the damage of tangential stress around, can eliminate the damage that causes welding strength, improves assembly strength and assembly quality.

(2) The consistency of the assembly state of the product can be improved. The method comprises the following steps: utilize the axial force that driving element 3 applyed, it is unanimous with the direction of motion of pivot to compress tightly tool 9 and act on the effort of pivot, has avoided the pivot when passing through the mounting hole, guarantees the uniformity of assembly to the damage that the mounting hole inner wall caused, reduces the spacious degree of pine after the assembly, improves interference fit's reliability, improves the precision of assembly.

(3) Utilize drive element 3 to apply effort to replace manual operation, can reduce intensity of labour, improve assembly efficiency for the hinge assembly is changed to semi-automatic mode by manual mode, has reduced manufacturing cost. For example, the inner diameter of the mounting hole on the glove box 10 is 5.5mm-5.2mm, the inner diameter is gradually changed, the rotating shaft is directly 5.3mm, one end of the rotating shaft is inserted from one side with the diameter of 5.5mm and stays in the middle of the mounting hole, due to the interference of the inner diameter, a hand hammer needs to be used for knocking the end part of the rotating shaft, the labor intensity is high, the force application size and direction are unstable, and deformation and tangential force are easily generated to cause the damage of related parts. And the use of the drive element 3 eliminates these problems.

(4) The hinge assembly is directly completed by applying an acting force by the driving element 3 and applying a force once, so that the assembly efficiency can be improved, and the operation period can be shortened. For example, the assembly production of the glove box 10 assembly is divided into two-sequence operation, welding and assembly, the operation cycle of welding staff is 25s, the operation of taking products and welding equipment are included, the operation of assembly staff only assembles hinges, the cycle is 45s, the total operation cycle of assembly procedures is 60s, the operation of welding staff waits, and the beat of the whole line is influenced; and the assembly period of the hinge is reduced from 45s to 13s by one-time force application of the driving element 3, so that the assembly efficiency is greatly improved.

It should be noted that although the present embodiment is described by taking the connection between the glove box 10 and the hinge as an example, the design concept provided can be expanded to the connection between the hinge, the shaft and other products, and is not limited to the assembly of the glove box 10 and the hinge.

As a specific implementation manner of the hinge assembly fixture provided by the utility model, see fig. 1 to fig. 3, compress tightly tool 9 including compressing tightly body 92, slide the guide block 93 that links to each other with slide rail 1 and be used for the axial to compress tightly briquetting 91 of pivot, guide block 93 and briquetting 91 divide and locate the both sides that compress tightly body 92. Compress tightly body 92 and provide reliable support for compressing tightly the application of force, briquetting 91 has the plane that offsets with the pivot, for the pivot provides stable unanimous effort, avoids the pivot atress inequality to cause tangential force, to the damage of mounting hole inner wall.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, a slider 2 in sliding fit with the slide rail 1 is disposed on the guide block 93. The slider 2 is arranged on the guide block 93, the integrity and the strength of the guide block 93 are kept, the pressing jig 9 can be guaranteed to move axially along the slide rail 1 without deflection, and the consistency of axial force application is improved.

As a modified example, a slide groove may be provided directly on the guide block 93.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the tightening jig 8 includes a tightening body 81 and a tightening block 82 connected to the tightening body 81, and the tightening block 82 cooperates with the pressing block 91 to provide an acting force for press mounting of the rotating shaft. The tight tool 8 in top cooperates with the tool 9 that compresses tightly, and the tight tool 8 in top provides reaction force for the hinge, and through the top tight to the position of hinge, makes the pivot remove to the hinge under driven axial force. Wherein, the jacking body 81 is detachably mounted on the support plate 41 through bolts, clamping and the like.

Referring to fig. 1 to 3, the slide rail 1 of the present embodiment is horizontally guided, the pressing jig 9 horizontally reciprocates in a moving direction, and the tightening jig 8 is disposed below the pressing jig 9.

The slide rail 1 can also be vertically guided, at this moment, the moving direction of the pressing jig 9 is vertically reciprocating, and the jacking jig 8 is positioned on one side of the pressing jig 9 far away from the driving element 3.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to fig. 3, the pressing jig 9 includes a plurality of pressing blocks 91, the tightening jig 8 includes a plurality of tightening blocks 82, the pressing blocks 91 and the tightening blocks 82 cooperate in pairs, and a plurality of rotating shafts can be pressed and installed simultaneously. For example, when two hinges need to be assembled, two rotating shafts need to be connected, each rotating shaft corresponds to one pressing block 91, the same driving element 3 drives the pressing jig 9 to move along the sliding rail 1, the two rotating shafts can be synchronously pressed into the mounting holes simultaneously, and the assembling of the rotating shafts and the hinges is completed until the rotating shafts are all pressed into the hinges, so that the assembling efficiency and the assembling consistency are improved.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the driving element 3 is a cylinder, a hydraulic cylinder or an electric push rod.

During assembly, the glove box 10 and the hinge are required to be in a static state, and due to the regularity of the appearance structure of the glove box 10, a plurality of shape-following positioning blocks 5 are required to be arranged on the bottom plate 43 and used for providing multi-point positioning for the glove box 10. It should be noted that, on the premise of ensuring the reliable positioning of the glove box 10, one conformal positioning block 5 may be manufactured, and the positioning block is provided with conformal facing surfaces, or as shown in fig. 1, a plurality of conformal positioning blocks 5 manufactured according to different positions and different shapes of the glove box 10 are dispersedly arranged to position the glove box 10.

As a specific implementation manner of the embodiment of the present invention, see fig. 1 to fig. 3, be equipped with a plurality of along with type stopper 7 on the backup pad 41, provide a plurality of along with type stopper points for glove box 10 in the side, carry on spacingly to glove box 10.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, a control switch 6 for controlling the driving element 3 to be turned on and off is disposed on the bottom plate 43. The driving element 3 can be started to work easily by pressing the control switch 6, so that time and labor are saved.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 3, the back surface of the supporting plate 41 is provided with a reinforcing leg 42. The reinforcing legs 42 form a triangular structure and the assembly process provides reliable support.

The present embodiment takes the example of assembling two hinges at the same time, and the assembling process is described in detail.

(1) The hinges are sleeved on the mounting columns of the glove box 10, the rotating shafts penetrate through the hinges to be aligned with the mounting holes on the mounting columns, and if the hinges are two, the positions of the two hinges are all operated to the state;

(2) with the help of the positioning assistance of the free-form limiting block 7 and the free-form positioning block 5, the glove box 10 is placed on the tool, and the right sides of the two hinges are attached to the jacking jig 8;

(3) manually pressing the control switch 6, driving the air cylinder to drive the pressing jig 9 to move along the guide of the slide rail 1, enabling the pressing jig 9 to be in direct contact with the rotating shafts, synchronously pressing the two rotating shafts into the mounting holes until the rotating shafts are completely pressed into the hinge, and finally clamping the hinge by the pressing jig 9 and the jacking jig 8 to finish the assembly of the rotating shafts and the hinge, wherein the process is about 1-1.5 s;

(4) the control switch 6 is loosened, and the driving cylinder drives the pressing jig 9 to return to the initial position along the guide of the slide rail 1;

(5) and (5) taking down the glove box 10, and finishing the hinge assembly operation.

In the embodiment, the pneumatic tool provides assembly power, manual operation is replaced, and the problem of high installation strength of the hinge and the rotating shaft of the glove box 10 is solved; aiming at the problems of damage to the welding strength of a product and poor assembly consistency of the product in the assembly process of a hinge with an interference fit structure, a constant and stable assembly environment is provided for the assembly condition of the product, the side effect of hammering operation on the welding strength is eliminated, and the consistency of the assembly state of the product and the quality of the product are ensured; the manual mode is changed into the semi-automatic mode, so that the working efficiency is improved, the working time is saved, and the production cost and the working time are reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Hinge assembly fixture, its characterized in that includes:

the support comprises a bottom plate and a supporting plate arranged on the bottom plate; the bottom plate is provided with a conformal positioning block for positioning the glove box, and the supporting plate is provided with an axially-guided sliding rail;

the pressing jig is used for axially pressing the rotating shaft;

the jacking jig is arranged on the supporting plate, is used for positioning the hinge, and is in force application fit with the pressing jig in the assembling process to provide a reaction force for press mounting of the rotating shaft; and

and the driving element is arranged on the supporting plate and drives the pressing jig to move along the sliding rail, and the rotating shaft is pressed and mounted to realize the assembly of the hinge.

2. The hinge assembling tool according to claim 1, wherein the pressing jig comprises a pressing body, a guide block connected with the slide rail in a sliding manner, and a pressing block used for axially pressing the rotating shaft, and the guide block and the pressing block are respectively arranged on two sides of the pressing body.

3. The hinge assembling tool according to claim 2, wherein a sliding block in sliding fit with the sliding rail is arranged on the guide block.

4. The hinge assembling tool according to claim 2, wherein the tightening jig comprises a tightening body and a tightening block connected with the tightening body, and the tightening block is matched with the pressing block to provide an acting force for pressing the rotating shaft.

5. The hinge assembling tool according to claim 4, wherein the pressing jig comprises a plurality of pressing blocks, the jacking jig comprises a plurality of jacking blocks, and the pressing blocks and the jacking blocks are matched in pairs and can press and mount a plurality of rotating shafts simultaneously.

6. The hinge assembly tooling of claim 1 wherein the drive element is an air cylinder, a hydraulic cylinder or an electric push rod.

7. The hinge assembling tool according to claim 1, wherein a plurality of shape following positioning blocks are arranged on the bottom plate and used for providing multi-point positioning for the glove box in a shape following manner.

8. The hinge assembling tool according to claim 7, wherein a plurality of shape following limit points are arranged on the supporting plate, and a plurality of shape following limit points are provided for the glove box on the side surface.

9. The hinge assembling tool according to claim 1, wherein a control switch for controlling the driving element to be turned on and off is provided on the base plate.

10. The hinge assembly tooling of claim 1 wherein the back of the support plate is provided with reinforcing legs.