CN220086608U - Spin riveting tool suitable for multiple specifications of contact pins - Google Patents

Abstract

The utility model discloses a spin riveting tool suitable for multiple specifications of contact pins, which comprises a base, a spin riveting mechanism, positioning pins, a positioning sleeve, a limiting assembly and a pressing mechanism, wherein the spin riveting mechanism comprises a driving piece, a driving handle, a fixing seat and an upper cover, a plurality of holding blocks are slidably arranged in the fixing seat, movement tracks of the holding blocks are radially distributed by taking the positioning pins as the center, the upper cover is driven to synchronously approach the positioning pins to extrude the contact pins sleeved on the positioning pins when rotating forwards, the upper cover is driven to synchronously separate from the positioning pins when rotating reversely, the pressing mechanism is used for providing a downward pressure to the contact pins placed in the positioning sleeve so as to prevent the contact pins from moving along the axial direction, and the limiting assembly limits the rotating angle of the upper cover. The spin riveting tool can effectively fix the contact pin axially and circumferentially, the caliber of the socket is reduced to a required value through synchronous extrusion of the plurality of holding blocks, and the contact pin with various specifications can be processed through replacing accessories such as the locating sleeve, the locating pin and the like.

Description

Spin riveting tool suitable for multiple specifications of contact pins

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a spin riveting tool suitable for multiple specifications of pins.

Background

The contact pin that electric connector adopted needs to carry out the binding off processing in the manufacturing process, and prior art mostly adopts artifical binding off to the binding off of contact pin, and when producing the connector, artifical binding off can lead to binding off the size to can not reach customer's demand value to the contact pin, and its binding off is out of round, has inefficiency, with high costs, the unstable scheduling problem of size.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a spin riveting tool applicable to multiple specifications of pins.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a rivet frock soon suitable for multiple specification contact pin, the on-line screen storage device comprises a base, rivet soon mechanism, the locating pin, the locating sleeve, spacing subassembly, pressing mechanism, rivet soon mechanism includes the driving piece, the actuating lever, the fixing base, the upper cover, the locating sleeve is arranged in the centre bore of upper cover, fixing base fixed mounting is on the base, the locating pin is placed in the fixing base and is corresponded the centre bore below the locating sleeve and coaxial with the locating sleeve, slide in the fixing base and be provided with a plurality of holding blocks, the removal orbit of each holding block is radial distribution with the locating pin as the center, the upper cover is connected through the actuating lever in order to drive the upper cover forward rotation and reverse rotation, drive each holding block and be close to the locating pin in order to extrude the contact pin that the cover was established on the locating pin when the upper cover reverse rotation, order to drive each holding block and keep away from the locating pin in step, pressing mechanism is used for providing down force to the contact pin of placing in the locating sleeve in order to avoid the contact pin to follow axial displacement, spacing subassembly limit the rotation angle of upper cover.

Further, a chute is arranged on the fixing base corresponding to each holding block, the chutes are distributed radially, one ends close to the chute are communicated with each other, a guide groove is arranged on the bottom surface of the upper cover corresponding to each holding block, one end of the guide groove is far away from the rotating center of the upper cover than the other end of the guide groove, the guide grooves are distributed circularly by taking the rotating center of the upper cover as the center of a circle, a positioning pin is inserted on each holding block, and the upper end of each positioning pin protrudes out of the fixing base and is arranged in the corresponding guide groove.

Further, the end face of each holding block, which is close to one end of the positioning needle, is a curved surface matched with the side face of the contact pin, and the curved surfaces of the holding blocks are enclosed into a circle.

Further, two positioning columns are arranged at the bottom of the positioning sleeve, two positioning holes are formed in the fixing base, and the two positioning columns are respectively inserted into the two positioning holes so as to prevent the positioning sleeve from rotating relative to the fixing base.

Further, the upper cover is provided with a plurality of waist-shaped holes which are distributed circularly by taking the rotation center of the upper cover as the circle center, the waist-shaped holes are step through holes, the upper cover is connected with the fixing base through a plurality of screws, the heads of the screws are positioned in the waist-shaped holes and are abutted against the step surfaces of the waist-shaped holes, and the waist-shaped holes are screw abdication when the upper cover rotates.

Further, spacing subassembly includes two spacing posts, and spacing post includes spacing backing block and stand, and the stand sets up perpendicularly on spacing backing block, is equipped with the screw mounting hole on the spacing backing block, the base is equipped with the spacing groove in fixing base one side, is equipped with a plurality of screw holes in the spacing groove, and the spacing backing block is installed on the fixing base and the mounted position is removable through passing the screw that locks in the screw hole after the screw mounting hole, upper cover one side is equipped with the spacer pin, and the spacer pin is located between two stands, realizes the restriction to upper cover rotation angle through the cooperation of two stands and spacer pin.

Further, the pressing mechanism comprises a pressing seat, a pressing block, pins, elastic pieces and screws, wherein the pressing seat is fixed on the base, the pins are vertically arranged on the pressing seat and protrude out of the top surface of the pressing seat, the pressing block is provided with a vertical first through hole and a vertical second through hole, the first through hole is in clearance fit with the pins, the screws penetrate through the second through hole on the pressing block and are locked in threaded holes on the pressing seat, the elastic pieces are sleeved on the screws and are extruded by the top surface of the pressing block and the screw heads, and one end of the pressing block is suspended above the center hole of the positioning sleeve.

Further, the elastic piece is a spring.

Further, the driving piece is a cylinder.

Further, the top surface of the upper cover is provided with a mounting groove matched with the driving handle, one end of the driving handle is arranged in the mounting groove and is connected with the upper cover through a screw, and two groove walls of the mounting groove are in contact with two side surfaces of the driving handle.

The spin riveting tool can effectively fix the contact pin axially and circumferentially, the caliber of the socket is reduced to a required value through synchronous extrusion of the plurality of holding blocks, and the contact pin with various specifications can be processed through replacing accessories such as the locating sleeve, the locating pin and the like. The cylinder drives the spin riveting mechanism to rotate to a certain angle, so that the force is concentrated, the local deformation of the caliber of the contact pin is promoted to gradually extend to the whole, the internal stress of the contact pin is eliminated, and the required caliber value is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a spin riveting tool applicable to multiple specifications of pins according to an embodiment of the utility model;

FIG. 2 is a schematic illustration of parts of a spin riveting mechanism;

FIG. 3 is a perspective view of the upper cover;

FIG. 4 is an assembled view of the cradle block and the positioning needle with the anchor block;

FIG. 5 is an exploded view of the press-fit mechanism;

fig. 6 is a schematic view of a spacing assembly.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, the embodiment discloses a riveting tool suitable for multiple specifications of pins 7, including a base 1, a riveting mechanism 2, a positioning pin 3, a positioning sleeve 4, a limiting component 5, and a pressing mechanism 6, wherein the riveting mechanism 2 includes a driving member 21, a driving handle 22, a fixing seat 23, and an upper cover 24, the positioning sleeve 4 is disposed in a central hole of the upper cover 24, the fixing seat 23 is fixedly mounted on the base 1, the positioning pin 3 is disposed in the fixing seat 23 at a position below the central hole of the corresponding positioning sleeve 4 and coaxial with the positioning sleeve 4, a plurality of holding blocks 25 are slidably disposed in the fixing seat 23, the moving track of each holding block 25 is radially distributed with the positioning pin 3 as a center, the driving member 21 is connected with the upper cover 24 through the driving handle 22 to drive the upper cover 24 to perform forward rotation and reverse rotation, when the upper cover 24 rotates forward, each holding block 25 is synchronously close to the positioning pin 3 to squeeze the pins 7 sleeved on the positioning pin 3, when the upper cover 24 rotates in reverse, each holding block 25 is synchronously separated from the positioning pin 3, the pressing mechanism 6 is used for providing axial movement of the pins 7 disposed in the positioning sleeve 4 to the limiting component 5 by preventing the pins 7 from moving axially.

The upper cover 24 and the fixing base 23 are preferably circular members. The fixed seat 23 is provided with a central hole, and the lower end of the positioning needle 3 is inserted into the central hole of the fixed seat 23. The fixed seat 23 is provided with a chute 26 corresponding to each holding block 25, the chute 26 is radially distributed and one ends close to each other are mutually communicated, the bottom surface of the upper cover 24 is provided with a guide groove 27 corresponding to each holding block 25, one end of the guide groove 27 is far away from the rotation center of the upper cover 24 than the other end of the guide groove 27, the guide grooves 27 are circularly distributed by taking the rotation center of the upper cover 24 as the circle center, each holding block 25 is inserted with a positioning pin 28, and the upper end of each positioning pin 28 protrudes out of the fixed seat 23 and is arranged in the corresponding guide groove 27.

The number of the sliding grooves 26 is preferably equal to two, and the two opposite sliding grooves 26 are positioned on the same straight line, so that the fixed seat 23 is convenient to process and shape. The chute 26 is a stepped chute 26, the holding block 25 is placed on the stepped surface of the chute 26, and the bottom of the positioning pin 28 contacts the bottom of the chute 26. Fig. 1 is a schematic diagram of a pin 7, six elastic sheets are disposed at the lower end of the pin 7, and in this embodiment, as shown in the drawing, the number of the holding blocks 25 is six, and each holding block 25 extrudes one elastic sheet. The end face of each holding block 25, which is close to one end of the positioning needle 3, is a curved surface matched with the side face of the contact pin 7, and the curved surfaces of the holding blocks 25 are enclosed into a circle.

The driving member 21 may be a cylinder, or may be another component or a link assembly capable of performing linear motion. The top surface of the upper cover 24 is provided with a mounting groove 29 matched with the driving handle 22, one end of the driving handle 22 is arranged in the mounting groove 29 and connected with the upper cover 24 through the screw 8, preferably, two groove walls of the mounting groove 29 are contacted with two side surfaces of the driving handle 22, and when the driving handle 22 pushes the upper cover 24 to rotate, driving force is transmitted to the groove walls of the mounting groove 29 through the side surfaces of the driving handle 22, so that shearing force on the screw 8 is reduced.

The bottom of the positioning sleeve 4 is provided with two positioning columns 41, preferably the two positioning columns 41 are distributed at 180 degrees along the center of the positioning sleeve 4, the fixed seat 23 is provided with two positioning holes 29, and the two positioning columns 41 are respectively inserted into the two positioning holes 29 to prevent the positioning sleeve 4 from rotating relative to the fixed seat 23. The positioning sleeve 4 and the positioning pin 3 can be pulled out from the spin riveting tool to be replaced by different specifications, so that the spin riveting tool can be matched with the riveting of the contact pins 7 with various specifications.

The upper cover 24 is provided with a plurality of waist-shaped holes 210 which are circularly distributed by taking the rotation center of the upper cover 24 as the center of a circle, the waist-shaped holes 210 are step through holes, the upper cover 24 is connected with the fixing seat 23 through a plurality of screws 8, the heads of the screws 8 are positioned in the waist-shaped holes 210 and are abutted against the step surfaces of the waist-shaped holes 210, and the waist-shaped holes 210 are bent for the screws 8 when the upper cover 24 rotates. The number of the waist-shaped holes 210 is six in the present embodiment, but it is not necessary to provide the screws 8 in each waist-shaped hole 210, and it is preferable to provide three screws 8 in a triangular distribution.

The limiting assembly 5 comprises two limiting columns 51, as shown in fig. 6, the limiting columns 51 comprise a limiting bottom block 511 and an upright column 512, the upright column 512 is vertically arranged on the limiting bottom block 511, a screw mounting hole 513 is formed in the limiting bottom block 511, a limiting groove 11 (fig. 1) is formed in one side of the fixed seat 23, a plurality of threaded holes 12 are formed in the limiting groove 11, the limiting bottom block 511 is mounted on the fixed seat 23 through screws 8 which pass through the screw mounting hole 513 and are locked in the threaded holes 12, the mounting position is replaceable, a limiting pin 211 is arranged on one side of the upper cover 24, the limiting pin 211 is located between the two upright columns 512, and the limiting of the rotation angle of the upper cover 24 is achieved through the cooperation of the two upright columns 512 and the limiting pin 211.

The pressing mechanism 6 comprises a pressing seat 61, a pressing block 62, a pin 63, an elastic piece and a screw 8, wherein the pressing seat 61 is fixed on the base 1, the pin 63 is vertically arranged on the pressing seat 61 and protrudes out of the top surface of the pressing seat 61, a vertical first through hole 64 and a vertical second through hole 65 are formed in the pressing block 62, the first through hole 64 is in clearance fit with the pin 63, the screw 8 penetrates through the second through hole 65 in the pressing block 62 and is then locked in the threaded hole 12 in the pressing seat 61, the elastic piece is sleeved on the screw 8 and is extruded by the top surface of the pressing block 62 and the head of the screw 8, and one end of the pressing block 62 is suspended above the center hole of the positioning sleeve 4. The elastic member includes, but is not limited to, a spring 66, a metal spring sheet, a polymer elastic member, etc., and the elastic member in this embodiment adopts the spring 66, which is convenient for installation and has low cost. The pressing block 62 moves along the vertical direction, and the pin 7 is pressed downwards by the force applied to the pressing block 62 by the spring 66 of the pressing mechanism 6 and the gravity of the pressing block 62, so that the pin 7 is prevented from shaking up and down.

Through spacing and the locate function of locating component of spacing subassembly 5, when riveting mechanism 2 rotatory soon, make contact pin 7 bore reduce and can effectually prevent to rivet mechanism 2 transition rotation soon, prevent contact pin 7 transition deformation soon, rivet mechanism 2 combines pressing mechanism 6 to make contact pin 7 fix a position in fixed position all the time, and does not rock all around, improves contact pin 7 whole practicality and stability.

Through changing locating sleeve 4 and locating pin 3, change embracing piece 25 when necessary, can process the bore of various specification contact pin 7 to the demand value, through the rotatory certain angle of cylinder drive riveting mechanism 2, make the force concentrate, make contact pin 7 bore local deformation extend to whole gradually, eliminate the internal stress of contact pin 7 to reach the bore value of demand.

The embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present utility model.

Claims (10)

1. Spin riveting frock suitable for many specifications contact pin, its characterized in that: including base, rivet the mechanism soon, the locating pin, the locating sleeve, spacing subassembly, pressing mechanism, rivet the mechanism soon and include the driving piece, the actuating lever, the fixing base, the upper cover, the locating sleeve is arranged in the centre bore of upper cover, fixing base fixed mounting is on the base, the locating pin is placed in the fixing base and is corresponded the centre bore below position of locating sleeve and coaxial with the locating sleeve, slide in the fixing base and be provided with a plurality of holding blocks, the removal orbit of each holding block is radial distribution for the locating pin as the center, the driving piece passes through the actuating lever and connects the upper cover in order to drive the upper cover to carry out forward rotation and reverse rotation, it is synchronous to be close to the locating pin in order to extrude the contact pin of cover on the locating pin to drive each holding block in step when the upper cover reverse rotation, pressing mechanism is used for providing down force in order to avoid the contact pin to follow axial displacement to the contact pin of placing in the locating sleeve, spacing subassembly restriction upper cover's rotation angle.

2. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the fixed seat is provided with a chute corresponding to each holding block, one ends of the chute which are distributed radially and are close to each other are communicated with each other, the bottom surface of the upper cover is provided with a guide groove corresponding to each holding block, one end of the guide groove is far away from the rotating center of the upper cover than the other end of the guide groove, the guide grooves are distributed circularly by taking the rotating center of the upper cover as the circle center, each holding block is inserted with a positioning pin, and the upper end of each positioning pin protrudes out of the fixed seat and is arranged in the corresponding guide groove.

3. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the end face of each holding block, which is close to one end of the positioning needle, is a curved surface matched with the side face of the contact pin, and the curved surface of each holding block is enclosed into a circle.

4. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the bottom of the positioning sleeve is provided with two positioning columns, the fixing seat is provided with two positioning holes, and the two positioning columns are respectively inserted into the two positioning holes to prevent the positioning sleeve from rotating relative to the fixing seat.

5. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the upper cover is provided with a plurality of waist-shaped holes which are distributed circularly by taking the rotation center of the upper cover as the circle center, the waist-shaped holes are step through holes, the upper cover is connected with the fixing seat through a plurality of screws, the heads of the screws are positioned in the waist-shaped holes and are abutted to the step surfaces of the waist-shaped holes, and the waist-shaped holes are screw abdications when the upper cover rotates.

6. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the limiting assembly comprises two limiting columns, each limiting column comprises a limiting bottom block and a stand column, each stand column is vertically arranged on each limiting bottom block, each limiting bottom block is provided with a screw mounting hole, each base is provided with a limiting groove on one side of each fixing base, each limiting groove is provided with a plurality of threaded holes, each limiting bottom block is mounted on each fixing base through screws which pass through the corresponding screw mounting holes and are locked in the corresponding threaded holes, the corresponding mounting positions of the corresponding limiting bottom blocks are replaceable, each upper cover is provided with a limiting pin, each limiting pin is located between each two stand columns, and limiting of the corresponding upper cover rotation angle is achieved through matching of the corresponding two stand columns and each limiting pin.

7. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the pressing mechanism comprises a pressing seat, a pressing block, a pin, an elastic piece and a screw, wherein the pressing seat is fixed on the base, the pin is vertically arranged on the pressing seat and protrudes out of the top surface of the pressing seat, a vertical first through hole and a vertical second through hole are formed in the pressing block, the first through hole is in clearance fit with the pin, the screw penetrates through the second through hole in the pressing block and then is locked in a threaded hole in the pressing seat, the elastic piece is sleeved on the screw and is extruded by the top surface of the pressing block and the screw head, and one end of the pressing block is suspended above the center hole of the positioning sleeve.

8. The spin riveting tool applicable to multiple specifications of pins as claimed in claim 7, wherein: the elastic piece is a spring.

9. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the driving piece is an air cylinder.

10. The spin riveting tool applicable to multiple specifications of pins according to claim 1, wherein: the top surface of the upper cover is provided with a mounting groove matched with the driving handle, one end of the driving handle is arranged in the mounting groove and is connected with the upper cover through a screw, and two groove walls of the mounting groove are contacted with two side surfaces of the driving handle.