CN211248161U

CN211248161U - Error-proof efficient rotary riveting tool

Info

Publication number: CN211248161U
Application number: CN201922063641.2U
Authority: CN
Inventors: 李卫红
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-14
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses an error-proof high-efficiency spin riveting tool, which comprises a positioning plate, a sliding plate and a seat plate, wherein the positioning plate is fixedly arranged on the upper end surface of the sliding plate, the sliding plate is arranged on the upper end surface of the seat plate in a sliding way, the upper end surface of the positioning plate is a horizontal plane, the upper end surface of the seat plate is an inclined plane inclined towards one side, the lower end surface of the sliding plate is an inclined plane with the inclination direction opposite to that of the upper end surface of the seat plate, the inclination of the upper end surface of the seat plate and the inclination of the lower end surface of the sliding plate are equal to the inclination of a connecting line of central points of upper ports of adjacent vertical riveting holes in the stepped plate-type workpiece, a workpiece mounting groove matched with the stepped plate-type workpiece is formed in the upper end surface of the positioning plate, positioning core cylinders corresponding to the vertical riveting holes in the stepped plate-type workpiece are arranged at the bottom of the workpiece mounting groove, and riveting column mounting holes matched with riveting columns in the stepped plate-type workpiece are formed in the centers of the positioning core cylinders respectively. The tool improves the riveting precision and the machining efficiency of the riveting column of the stepped plate-shaped workpiece.

Description

Error-proof efficient rotary riveting tool

Technical Field

The utility model relates to a machining technology field, concretely relates to high-efficient riveting frock of mistake prevention.

Background

The pneumatic spin riveting machine for riveting the metal parts has the advantages of firm riveting piece, smooth and attractive appearance, difficult deformation of riveting columns, high precision and the like. However, in the process of riveting a part by a spin riveting machine, for a stepped plate-shaped workpiece a (see fig. 1 and fig. 2) which needs to be riveted with two or more riveting columns in the same direction, one end of the stepped plate-shaped workpiece a is provided with a vertical riveting hole B, the other end of the stepped plate-shaped workpiece a is provided with a vertical riveting hole c, an included angle between a connecting line of a central point of an upper port of the vertical riveting hole B and a central point of an upper port of the vertical riveting hole c and a bottom plane of the stepped plate-shaped workpiece a is beta, and when the stepped plate-shaped workpiece a is riveted with the riveting column, the riveting column B corresponding to the vertical riveting hole B on the stepped plate-shaped; and riveting another riveting clamp to another riveting column C corresponding to the vertical riveting hole C on the stepped plate-shaped workpiece A, and so on.

The common riveting tool fixture is characterized in that a positioning core cylinder is manufactured according to the shape and the size of a riveting column, and the positioning core cylinder is arranged on a positioning plate of the riveting tool fixture; if a plate part is provided with a plurality of riveting columns of different types, a plurality of riveting tool fixtures of different types are required to be manufactured, and each riveting column needs to be replaced by a corresponding riveting tool fixture. For a stepped plate-shaped workpiece with a plurality of riveting columns, the situation that the riveting columns are taken wrongly or the front and back surfaces of the workpiece are put wrongly often occurs in the riveting process, so that the error probability of the positioning core cylinder when the positioning core cylinder is installed on the positioning plate is high, the workpiece is scrapped if the operator is light, namely the rejection rate of the workpiece product is high, and the riveting fixture is damaged if the operator is heavy, so that the riveting efficiency of the stepped plate-shaped workpiece product is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that exists among the prior art, provide an error-proof high-efficient riveting frock soon, the utility model discloses the riveting of two or more riveting columns on the frock is applicable to echelonment board type work piece has reduced the probability of makeing mistakes of riveting column riveting processing on the echelonment board type work piece, has guaranteed echelonment board type work piece riveting column riveted machining precision, has improved the riveting column riveting machining efficiency of echelonment board type work piece simultaneously, and this riveting frock simple structure, and the practicality is strong.

In order to achieve the purpose, the technical scheme of the utility model is to design an error-proof high-efficient rivet joint frock soon, including locating plate, sliding plate and bedplate, wherein locating plate fixed mounting is in the up end of sliding plate, and sliding plate slidable mounting is in the up end of bedplate, the up end of locating plate is the horizontal plane, the up end of bedplate is the inclined plane to a lopsidedness, the lower terminal surface of sliding plate is the inclined plane that incline direction and bedplate up end incline direction are opposite, and the gradient of bedplate up end and sliding plate down end all equals with the gradient of adjacent vertical rivet hole up end central point line on the echelonment board-shaped work piece, the up end of locating plate is equipped with the work piece mounting groove with echelonment board-shaped work piece looks adaptation, and work piece mounting groove bottom is equipped with a plurality of location core section of thick bamboo corresponding with vertical rivet hole on the echelonment board-shaped work piece, the center of each location core section of thick bamboo is equipped with rivet post ann And (6) installing holes.

The utility model discloses riveting tools drives on the locating plate through the sliding plate that the riveting site that echelonment plate work piece is different respectively with rivet soon on the riveter soon the head corresponding, realized two or more riveting columns in order riveting process on the echelonment plate work piece, reduced echelonment plate work piece riveting column riveting processing's the probability of makeing mistakes, guaranteed echelonment plate work piece riveting column riveted machining precision, improved the riveting column riveting machining efficiency of echelonment plate work piece simultaneously, and this riveting tools simple structure, the practicality is strong.

In order to facilitate smooth preparation and application implementation of the tool, the preferable technical scheme is that a guide groove with a downward opening is formed in the lower end face of the sliding plate, the shape of the guide groove is consistent with the shape of a sequential connecting line among a plurality of vertical riveting holes in the stepped plate type workpiece, a vertical positioning column is fixedly arranged on the upper end face of the seat plate, and the upper end of the vertical positioning column is movably inserted into the guide groove of the sliding plate. The lower end surface of the sliding plate is provided with a guide groove which is consistent with the shape of a connecting line between a plurality of vertical riveting holes in sequence on the stepped plate type workpiece, so that the accurate correspondence between different riveting positions on the stepped plate type workpiece and a spin riveting head on a spin riveting machine when the sliding plate slides is effectively ensured.

In order to facilitate accurate positioning of the sliding plate and the seat plate, a further preferable technical scheme is that the guide groove is in a straight shape, and when the sliding plate drives the positioning plate to slide and position on the seat plate, the vertical positioning column is positioned at the end part of the guide groove. The tool is suitable for riveting two riveting columns distributed in a shape like a Chinese character 'yi' on the stepped plate type workpiece, the positioning mode of the sliding plate and the seat plate is simple, and the riveting efficiency of the riveting columns on the stepped plate type workpiece is guaranteed.

In order to facilitate accurate positioning of the sliding plate and the seat plate, a further preferable technical scheme is that the guide groove is of a broken line type, an included angle between two adjacent sections of groove bodies at the corners of the guide groove is less than 90 degrees, and when the sliding plate drives the positioning plate to slide and position on the seat plate, the vertical positioning columns are positioned at two ends or at the corners of the guide groove. The tool is suitable for riveting three or more riveting columns distributed in a broken line shape on the stepped plate type workpiece, the included angle between two adjacent sections of groove bodies at the corners of the guide grooves is less than 90 degrees, the stability of the sliding plate and the seat plate during positioning is ensured, and the riveting efficiency of the riveting columns on the stepped plate type workpiece is ensured.

In order to facilitate smooth preparation and application implementation of the tool, a further preferred technical scheme is that the guide groove is in a shape of V, Z or N. The guide groove is simple in structure, and feasibility of manufacturing and implementation of the tool is guaranteed.

In order to ensure the positioning stability of the sliding plate and the seat plate, a further preferable technical scheme is that two ends or corners of the guide groove are respectively provided with an arc structure communicated with the guide groove, the diameter corresponding to the arc structure is equal to the width of the guide groove, and when the sliding plate drives the positioning plate to slide and position on the seat plate, the vertical positioning column is coaxially corresponding to the positioning core barrel on the positioning plate. When the sliding plate is positioned with the base plate, the vertical positioning columns are respectively positioned in the arc grooves at the end parts or the corners of the guide grooves, so that the positioning stability of the sliding plate and the base plate is ensured, and the riveting processing precision of the riveting columns on the stepped plate-type workpiece is improved.

In order to facilitate smooth taking out of the stepped plate type workpiece from the positioning plate after riveting of the riveting column, the upper end surface of the positioning plate is further provided with a workpiece taking groove communicated with the workpiece mounting groove, and the depth of the workpiece taking groove is larger than that of the workpiece mounting groove. The stepped plate type workpiece can be attached to the bottom of the workpiece mounting groove when the riveting column is machined, the workpiece taking groove is convenient for taking the stepped plate type workpiece out of the workpiece mounting groove, and the riveting column riveting machining efficiency of the stepped plate type workpiece is guaranteed.

In order to facilitate the fixed connection of the riveting tool and the working table of the spin riveting machine, the preferable technical scheme is that fixing plates fixed on the working table of the spin riveting machine are respectively arranged at two ends of the seat plate, and mounting holes are formed in the fixing plates. The riveting tool can be fixedly arranged on a workbench of the spin riveting machine through bolts or pressing plates.

The utility model has the advantages and the beneficial effects that:

1. the utility model discloses riveting tools drives on the locating plate through the sliding plate that the riveting site that echelonment plate work piece is different respectively with rivet soon on the riveter soon the head corresponding, realized on the echelonment plate work piece two or more riveting columns riveting in order and processed, reduced echelonment plate work piece riveting column riveting processing's the probability of makeing mistakes, improved echelonment plate work piece riveting column riveting machining precision, improved echelonment plate work piece riveting column machining efficiency simultaneously, and this riveting tools simple structure, the practicality is strong.

2. The lower end surface of the sliding plate is provided with a guide groove which is consistent with the shape of a connecting line between a plurality of vertical riveting holes in sequence on the stepped plate type workpiece, so that the accurate correspondence between different riveting positions on the stepped plate type workpiece and a spin riveting head on a spin riveting machine when the sliding plate slides is effectively ensured.

3. The guide groove is in a straight shape, and when the sliding plate drives the positioning plate to slide and position on the seat plate, the vertical positioning column is positioned at the end part of the guide groove. The tool is suitable for riveting two riveting columns distributed in a shape like a Chinese character 'yi' on the stepped plate type workpiece, the positioning mode of the sliding plate and the seat plate is simple, and the riveting efficiency of the riveting columns on the stepped plate type workpiece is guaranteed.

4. The tool is suitable for riveting three or more riveting columns distributed in a broken line shape on the stepped plate type workpiece, the included angle between two adjacent sections of groove bodies at the corners of the guide grooves is less than 90 degrees, the stability of the sliding plate and the seat plate during positioning is ensured, and the riveting efficiency of the riveting columns on the stepped plate type workpiece is ensured.

5. The guide groove is one of a V shape, a Z shape or an N shape. The guide groove is simple in structure, and feasibility of manufacturing and implementation of the tool is guaranteed.

6. When the sliding plate is positioned with the base plate, the vertical positioning columns are respectively positioned in the arc grooves at the end parts or the corners of the guide grooves, so that the positioning stability of the sliding plate and the base plate is ensured, and the riveting processing precision of the riveting columns on the stepped plate-type workpiece is improved.

7. The stepped plate type workpiece can be attached to the bottom of the workpiece mounting groove when the riveting column is machined, the workpiece taking groove is convenient for taking the stepped plate type workpiece out of the workpiece mounting groove, and the riveting column riveting machining efficiency of the stepped plate type workpiece is guaranteed.

Drawings

FIG. 1 is a top view of a stepped production workpiece of the prior art;

FIG. 2 is a front view of a stepped production workpiece of the prior art;

FIG. 3 is a plan view of an error-preventing efficient spin-riveting tool in embodiment 1;

FIG. 4 is a cross-sectional view of the error-preventing efficient spin-on tool of FIG. 3 in the direction F-F;

fig. 5 is a diagram showing a state of use of the error-preventing high-efficiency spin-riveting tool in riveting a B-rivet column in example 1.

In the figure: 1. positioning a plate; 2. a sliding plate; 3. a seat plate; 4. a workpiece mounting groove; 5. positioning the core barrel; 6. riveting a column mounting hole; 7. a guide groove; 8. a vertical positioning column; 9. a workpiece taking groove; 10. A fixing plate; 11. positioning holes; 12. a bolt; 5-1, a first positioning core barrel; 5-2, a second positioning core cylinder; 6-1, a first riveting column mounting hole; 6-2 and a second riveting column mounting hole.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-5, the utility model relates to an error-proof high-efficiency spin riveting tool, which comprises a positioning plate 1, a sliding plate 2 and a seat plate 3, wherein the positioning plate 1 is fixedly arranged on the upper end surface of the sliding plate 2, the sliding plate 2 is slidably arranged on the upper end surface of the seat plate 3, the upper end surface of the positioning plate 1 is a horizontal plane, the upper end surface of the seat plate 3 is an inclined plane inclined towards one side, the lower end surface of the sliding plate 2 is an inclined plane with the inclination direction opposite to the inclination direction of the upper end surface of the seat plate 3, and the inclination of the upper end surface of the seat plate 3 and the inclination of the lower end surface of the sliding plate 2 are equal to the inclination of the connecting line of the upper port central point of a vertical riveting hole b and the upper port central point of a vertical riveting hole c on a step-shaped plate-shaped workpiece a, namely the included angle between the connecting line of the upper end surface of the seat plate 3, the upper end surface of the positioning plate 1 is provided with a workpiece mounting groove 4 matched with the stepped plate-type workpiece, the bottom of the workpiece mounting groove 4 is provided with a plurality of positioning core cylinders 5 corresponding to vertical riveting holes in the stepped plate-type workpiece, and the centers of the positioning core cylinders 5 are respectively provided with riveting column mounting holes 6 matched with riveting columns in the stepped plate-type workpiece. The positioning core barrel 5 comprises a first positioning core barrel 5-1 located at one end of the bottom of the workpiece mounting groove 4 and a second positioning core barrel 5-2 located at the other end of the bottom of the workpiece mounting groove 4, the first positioning core barrel 5-1 corresponds to a vertical riveting hole B in the step-shaped plate-type workpiece A, the second positioning core barrel 5-2 corresponds to a vertical riveting hole C in the step-shaped plate-type workpiece A, a first riveting column mounting hole 6-1 matched with the riveting column B is formed in the center of the first positioning core barrel 5-1, and a second riveting column mounting hole 6-2 matched with the riveting column C is formed in the center of the second positioning core barrel 5-2. The lower end face of the sliding plate 2 is provided with a guide groove 7 with a downward opening, the shape of the guide groove 7 is consistent with the shape of a sequential connecting line among a plurality of vertical riveting holes on the stepped plate type workpiece, the upper end face of the seat plate 3 is fixedly provided with a vertical positioning column 8, and the upper end of the vertical positioning column 8 is movably inserted into the guide groove 7 of the sliding plate 2. The guide groove 7 is in a shape of a straight line, and when the sliding plate 2 drives the positioning plate 1 to slide and position on the seat plate 3, the vertical positioning column 8 is positioned at the end part of the guide groove 7. The two ends of the guide groove 7 are arranged into arc structures communicated with the guide groove 7, the diameter corresponding to the arc structures is equal to the width of the guide groove 7, and when the sliding plate 2 drives the positioning plate 1 to slide and position on the seat plate 3, the vertical positioning column 8 coaxially corresponds to the positioning core barrel 5 on the positioning plate 1. The upper end surface of the positioning plate 1 is also provided with a workpiece taking groove 9 communicated with the workpiece mounting groove 4, and the depth of the workpiece taking groove 9 is greater than that of the workpiece mounting groove 4. And two ends of the seat plate 3 are respectively provided with a fixing plate 10 fixed on a working table of the spin riveting machine, and the fixing plate 10 is provided with a mounting hole. The positioning plate 1 and the sliding plate 2 are correspondingly provided with a pair of mounting holes and a pair of positioning holes 11, the two mounting holes and the two positioning holes 11 are alternately and correspondingly arranged on the top corners of the positioning plate 1 and the sliding plate 1 respectively, and the positioning plate 1 and the sliding plate 2 are pre-positioned through positioning pins and fixedly connected through bolts 12 when being assembled.

The tool is suitable for riveting the riveting columns on the stepped plate type workpiece A in the background technology of riveting, and the inclination of the connecting line of the central points of the upper ends of two adjacent riveting columns relative to the horizontal plane is equal to the inclination of the upper end surface of the seat plate 3, namely the position relation of the two adjacent riveting columns conforms to the following formula (see figure 2):

wherein: a represents the height difference between the upper end surfaces of the riveting points of two adjacent riveting columns; b represents the distance between the center points of the upper end faces of two adjacent riveting columns.

The utility model relates to an error-proof high-efficient riveting frock's theory of use soon:

the seat plate 3 of the tool of the utility model is fixed on the workbench of the spin riveting machine; a step-shaped plate-shaped workpiece A to be riveted is placed in a workpiece mounting groove 4 on the upper end surface of a positioning plate 1, a riveting column B is placed in a first riveting column mounting hole 6-1 of a first positioning core cylinder 5-1, and a riveting column C is placed in a second riveting column mounting hole 6-2 of a second positioning core cylinder 5-2; pushing the sliding plate 2 to enable the vertical positioning column 8 to be positioned at the left end of the guide groove 7, namely enabling the first positioning core cylinder 5-1 to correspond to a spin riveting head on a spin riveting machine, and starting the spin riveting machine to rivet a riveting column B on the stepped plate type workpiece A; after riveting of the riveting column B is completed, the sliding plate 2 is pushed to enable the vertical positioning column 8 to be located at the right end of the guide groove 7 (see figure 5), namely the second positioning core cylinder 5-2 corresponds to a spin riveting head on a spin riveting machine, and the spin riveting machine is started to rivet the riveting column C on the stepped plate type workpiece A; and after the riveting of the riveting column C is finished, taking down the stepped plate type workpiece A from the workpiece mounting groove 4 on the positioning plate 1 through the workpiece taking groove 9.

Example 2

The utility model relates to an error-proof high-efficient riveting frock, this frock lies in with embodiment 1's difference, guide way 7 is the broken line type, and the contained angle between two sections adjacent cell bodies of guide way 7 corner <90, and when sliding plate 2 drove locating plate 1 slide positioning on bedplate 3, vertical reference column 8 was located the both ends or the corner of guide way 7. The guide groove 7 is V-shaped. The both ends and the corner of guide way 7 all establish to the circular arc structure that link up with guide way 7, and the diameter that the circular arc structure corresponds equals with the width of guide way 7, and when sliding plate 2 drove locating plate 1 slide positioning on bedplate 3, vertical reference column 8 and the coaxial correspondence of the location core section of thick bamboo 5 on locating plate 1.

The tool is suitable for processing a planar plate-shaped workpiece or a stepped plate-shaped workpiece, three riveting columns which are arranged in a V shape are arranged on the planar plate-shaped workpiece or the stepped plate-shaped workpiece, and the inclination of the connecting line of the central point of the upper end part of each riveting column positioned at the bottom of the V shape and the central point of the upper end part of each riveting column at two ends relative to the horizontal plane is equal to the inclination of the upper end surface of the seat plate 3.

Example 3

The utility model relates to an error-proof high-efficient riveting frock, this frock lies in with embodiment 1's difference, guide way 7 is one of "Z" style of calligraphy or "N" style of calligraphy.

The tool is suitable for processing a planar plate-shaped workpiece or a stepped plate-shaped workpiece, four riveting columns which are arranged in a Z shape or an N shape are arranged on the planar plate-shaped workpiece or the stepped plate-shaped workpiece for riveting, and the inclination of the connecting line of the central points of the upper ends of two adjacent riveting columns relative to the horizontal plane is equal to the inclination of the upper end face of the seat plate 3.

The use principle of the error-preventing efficient spin riveting tool in the

embodiment

2 or 3 is as follows:

the seat plate 3 of the tool of the utility model is fixed on the workbench of the spin riveting machine; placing a step-shaped plate-shaped workpiece to be riveted in a workpiece mounting groove 4 on the upper end surface of the positioning plate 1, and correspondingly placing each riveting column in a riveting column mounting hole 6 on each positioning core cylinder 5; pushing the sliding plate 2 to enable the vertical positioning column 8 to be located at one end of the guide groove 7, and starting the spin riveting machine to rivet a riveting column at one end of the stepped plate type workpiece; after riveting, pushing the sliding plate 2 to enable the vertical positioning column 8 to be positioned in an arc structure at one corner of the guide groove 7, and starting a spin riveting machine to rivet the riveting column in a vertical riveting hole at the corner on the stepped plate type workpiece; and repeating the previous operation until all riveting columns on the stepped plate-type workpiece are riveted, and taking the stepped plate-type workpiece down from the workpiece mounting groove 4 on the positioning plate 1 through the workpiece taking groove 9.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The error-preventing high-efficiency spin riveting tool is characterized by comprising a positioning plate (1), a sliding plate (2) and a seat plate (3), wherein the positioning plate (1) is fixedly installed on the upper end face of the sliding plate (2), the sliding plate (2) is installed on the upper end face of the seat plate (3) in a sliding mode, the upper end face of the positioning plate (1) is a horizontal plane, the upper end face of the seat plate (3) is an inclined plane inclined towards one side, the lower end face of the sliding plate (2) is an inclined plane with the inclination direction opposite to the inclination direction of the upper end face of the seat plate (3), the inclination of the upper end face of the seat plate (3) and the inclination of the lower end face of the sliding plate (2) are equal to the inclination of a connecting line of center points of upper ports of adjacent vertical riveting holes in a stepped plate-shaped workpiece, a workpiece mounting groove (4) matched with the stepped plate-shaped workpiece is formed in the upper end face of the positioning plate-shaped workpiece The center of each positioning core cylinder (5) is respectively provided with a riveting column mounting hole (6) matched with each riveting column on the stepped plate-shaped workpiece.

2. The error-preventing efficient spin riveting tool according to claim 1, wherein a guide groove (7) with a downward opening is formed in the lower end face of the sliding plate (2), the shape of the guide groove (7) is consistent with the shape of a sequential connecting line among a plurality of vertical riveting holes in a stepped plate type workpiece, a vertical positioning column (8) is fixedly arranged on the upper end face of the seat plate (3), and the upper end of the vertical positioning column (8) is movably inserted into the guide groove (7) of the sliding plate (2).

3. The error-proof efficient spin riveting tool according to claim 2, wherein the guide groove (7) is in a shape of a straight line, and when the sliding plate (2) drives the positioning plate (1) to slide and position on the seat plate (3), the vertical positioning column (8) is positioned at the end part of the guide groove (7).

4. The error-preventing efficient spin riveting tool according to claim 2, wherein the guide groove (7) is of a broken line type, an included angle between two adjacent groove bodies at the corner of the guide groove (7) is less than 90 degrees, and when the sliding plate (2) drives the positioning plate (1) to slide and position on the seat plate (3), the vertical positioning columns (8) are positioned at two ends or at the corner of the guide groove (7).

5. The error-preventing efficient spin-riveting tool according to claim 4, wherein the guide groove (7) is one of a V shape, a Z shape or an N shape.

6. The error-proof efficient spin-riveting tool is characterized in that two ends or corners of the guide groove (7) are provided with arc structures penetrating through the guide groove (7), the diameters corresponding to the arc structures are equal to the width of the guide groove (7), and when the sliding plate (2) drives the positioning plate (1) to slide and position on the seat plate (3), the vertical positioning columns (8) coaxially correspond to the positioning core barrels (5) on the positioning plate (1).

7. The error-preventing efficient spin riveting tool according to claim 6, wherein the upper end surface of the positioning plate (1) is further provided with a workpiece taking groove (9) communicated with the workpiece mounting groove (4), and the depth of the workpiece taking groove (9) is greater than that of the workpiece mounting groove (4).

8. The error-proof efficient spin riveting tool according to claim 7, wherein two ends of the seat plate (3) are respectively provided with a fixing plate (10) fixed on a working table of a spin riveting machine, and the fixing plate (10) is provided with a mounting hole.