CN114713721A - A riveting device and a riveting method for a riveting contact assembly - Google Patents

Abstract

The invention discloses a riveting and pressing device for a riveting and pressing contact assembly and a riveting method thereof, in particular to the technical field of riveting and pressing equipment for a contact assembly. On the inner pre-riveting forming needle, the material strip is supported and positioned by the support pins in the lower template; the first positioning member and the second positioning member in the lower template respectively position the rear side and the left and right sides of the contact; When the die base moves downward, it drives the first upper punch and the second upper punch. The first upper punch acts on the pre-riveting movable needle in the upper template through the upper spring, so that the pre-riveting movable needle can adjust the riveting end of the contact. Keep concentric with the riveting hole of the material belt; the lower end of the second upper punch penetrates the upper template and acts on the upper end of the dowel rod in the lower template, the dowel rod pushes one end of the seesaw mechanism in the lower backing plate, and then The other end of the seesaw mechanism drives the lower thimble in the lower template, so that the lower thimble pushes the pre-riveting forming needle upwards to riveted the contact on the material strip.

Description

A riveting device and a riveting method for a riveting contact assembly

technical field

The present application relates to the technical field of riveting and pressing equipment for contact assemblies, and in particular, to a riveting and pressing device for riveting and pressing contact assemblies and a riveting and pressing method thereof.

Background technique

Electrical contacts are important components of circuit breakers, switch cabinets, isolating switches, and grounding switches, and their performance directly affects the quality and service life of these electrical appliances. The electrical contact includes a moving contact and a static contact. When the moving contact and the static contact are in contact with each other, the circuit is connected, and their relative movement can break or close the circuit, or keep the circuit connected by rotating or sliding.

In the production and processing of electrical contacts, it is necessary to riveted the contacts on the metal sheet to form oppositely arranged moving contacts and static contacts. When the current mold rives the contacts on the metal sheet, it is easy to scrape the feet of the contacts, the riveting of the contacts is offset, and the riveting area of the contacts is not enough, resulting in the problems of high defective production and low efficiency of the contact components.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present application is to provide a riveting device for riveting a contact assembly and a riveting method thereof, so as to solve the problem that the material tape of the existing contact assembly is easy to scrape the foot of the contact when the contact is riveted , Contact riveting deviation, and insufficient contact riveting area, resulting in technical problems such as high defective product production and low efficiency of contact components.

In order to achieve the above technical purpose, the present application provides a riveting and pressing method, which is applied to a riveting and pressing device for riveting a contact on a material strip. The riveting and pressing device includes an upper die seat, a lower die seat, a The upper template, the lower template and the vibration plate for placing the contacts, the upper template and the lower template are respectively connected between the upper mold seat and the lower mold seat through guide posts, and the lower mold seat and the lower mold seat are respectively connected. A lower backing plate is arranged between the lower formwork, the vibrating plate is connected to the lower formwork through a material conveying guide rail, and the lower formwork is connected with a support pin for supporting the material belt, and the material belt is arranged at the place through the support pin. Between the upper die plate and the lower die plate, the contacts on the vibrating plate are transported to the pre-riveting forming needles provided in the lower die plate through the conveying guide rail, and the first The positioning member and the second positioning member respectively position the rear side and the left and right sides of the contact;

After the positioning of the contacts is completed, when the upper die seat moves downwards, the first upper punch rod moves downward synchronously, and the lower end of the first upper punch rod extends into the upper die plate and passes through the upper spring. It acts on the pre-riveting movable needle set in the upper template, so that the lower end of the pre-riveting movable needle extends out of the bottom of the upper template and collides with the contact, so that the riveting end of the contact is in contact with the riveting end of the material strip. The riveting holes are kept concentric;

After the riveting end of the contact is concentric with the riveting hole of the material strip, when the upper die holder continues to move downward, the first upper punch and the second upper punch are simultaneously driven to move downward, so that the second upper punch is moved downward. The lower end of the upper punch penetrates the upper formwork and acts on the upper end of the dowel rod arranged in the lower formwork, and then the dowel rod pushes one end of the seesaw mechanism provided in the lower backing plate , the other end of the tilting mechanism drives the lower thimble set in the lower template, and the upper end of the lower thimble pushes the pre-riveting forming needle upward, and the first upper punch and the pre-riveting needle move upward. The riveting connection between the contact and the material strip is completed under the action of the relative force of the riveting forming needle.

Further, the lower template is provided with a pre-riveting seat, the pre-riveting forming needle, the first positioning member and the second positioning member are assembled on the pre-riveting seat through the pre-riveting inserts, and the conveying guide rail extends to the Between the upper template and the lower template, the contacts are transported to the pre-riveting needles, and the lower thimble pushes the pre-riveting needles under the action of the tilting mechanism to press the contacts into the pre-riveting needles. inside the riveting hole of the tape.

Further, the first positioning member for positioning the rear side of the contact is inlaid on the upper end of the pre-riveting insert and is in a relative relationship with the conveying guide rail, which conveys the contact to the The forward stroke is defined by the first positioning member when the pre-riveting needle is on;

The second positioning members for positioning the left and right sides of the contact at least include two, and the two second positioning members are respectively inlaid on the upper end of the pre-riveting insert and located on both sides of the first positioning member, When the conveying guide rail conveys the contacts to the pre-riveting forming needles, the two second limiting members synchronously adjust the left and right positions of the contacts under the action of the positioning springs.

The riveting and pressing device for riveting and pressing the contact assembly using the riveting and pressing method includes an upper die base, a lower die base, an upper template, a lower template and a vibration plate for placing contacts, the upper template, the lower template They are respectively connected between the upper die base and the lower die base through guide posts, a lower backing plate is arranged between the lower die base and the lower die plate, and the vibrating plate is connected to the lower die base through a conveying guide rail. a die plate, the lower die plate is connected with a support pin for supporting the material strip, the upper die base is provided with a first upper punch rod and a second upper punch rod vertically arranged and extending to the upper die plate, the upper die plate A stripping column is embedded inside, the lower end of the first upper punch extends into the stripping column, a pre-riveting movable needle is arranged in the stripping column, and the lower end of the first upper punch passes through the stripping column. The upper spring acts on the upper end of the pre-riveting movable needle;

A pre-riveting seat is embedded in the lower template, the pre-riveting seat is located below the stripping column, and the upper end of the pre-riveting seat is connected with a first positioning piece, a second positioning piece and a pre-riveting forming needle. The pre-riveting insert, the lower end of the pre-riveting needle extends into the pre-riveting seat, the pre-riveting seat is provided with a lower thimble, and the lower end of the pre-riveting needle acts on the lower thimble the upper end of ;

The lower backing plate is provided with a seesaw mechanism, and the lower end of the lower thimble extends out of the bottom of the pre-riveting seat and is connected to one end of the seesaw mechanism;

The lower formwork is provided with a dowel rod, the lower end of the second upper punch penetrates the upper formwork and acts on the upper end of the dowel rod, and the lower end of the dowel rod penetrates the lower end of the dowel rod. The template also acts on the other end of the seesaw mechanism.

Further, an upper backing plate is connected to the bottom of the upper die base, and the upper ends of the first upper punch and the second upper punch are respectively vertically connected to the bottom of the upper backing plate;

An upper clamping plate and a stop plate are arranged between the upper backing plate and the upper template, the lower end of the first upper punch and the lower end of the second upper punch pass through the upper clamping plate, behind the stop plate and extending to the upper template.

Further, the pre-riveting insert is inlaid on the upper end of the pre-riveting seat, and the first positioning piece is inlaid on the upper end of the pre-riveting insert and is in a relative relationship with the conveying guide rail;

The second positioning member includes at least two, the two second positioning members are respectively inlaid on the upper end of the pre-riveting insert and located on both sides of the first positioning member, and the two second positioning members are A positioning spring is connected to a side of the positioning member away from the first positioning member.

Further, there is a gap between the upper template and the lower template, a stripping insert is arranged in the upper template, the stripping insert penetrates the upper template, and a stripping insert is embedded in the upper template. A stripping punch, the upper end of the stripping punch is connected with the upper backing plate.

Further, the support pin penetrates the lower die plate, a support spring corresponding to the support pin is arranged in the lower backing plate and the lower die base, and the lower end of the support pin is connected to the support spring. In connection, the upper end of the support pin extends out of the top of the upper template, and the periphery of the upper end of the support pin has an annular groove fitted with the edge of the material strip.

Further, it also includes a lower spring, the lower spring is arranged in a spring groove formed by connecting the pre-riveting insert and the pre-riveting seat, and the lower end of the pre-riveting needle penetrates into the spring groove The upper end of the lower thimble penetrates into the spring groove and abuts against the lower end of the pre-riveting needle.

Further, the feed end of the conveying guide rail is connected to the vibrating plate, the discharge end of the conveying guide rail is embedded in the top of the lower formwork and connected to one side of the pre-riveting insert, the The feeding groove of the feeding guide rail corresponds to the feeding port of the pre-riveting insert.

It can be seen from the above technical solutions that after the contacts on the vibrating plate of the present application are transported to the pre-riveting forming needles in the lower template through the feeding guide rail, the first positioning member defines the position where the contacts continue to slide forward, and then the first positioning member defines the position where the contacts continue to slide forward. The two positioning pieces adjust the position of the left and right sides of the contact, so as to ensure that the contact is located directly above the pre-riveting needle; then control the upper die base to descend to drive the first upper punch, which acts on the pre-riveting movable needle At this time, the pre-riveting movable needle descends through the riveting hole of the material strip and collides with the riveting end of the contact, so that the riveting end of the contact and the riveting hole of the material strip form a concentric relative relationship, which can effectively prevent the contact foot from being damaged. The problem of scratches and riveting deviation; finally, the upper die base will continue to drive the first upper punch and the second upper punch downward, the first upper punch will further act on the pre-riveting movable needle, and the second upper punch will wear The upper template acts on the dowel rod, so that the dowel rod pushes the seesaw mechanism and, according to the lever principle, prys the lower thimble to push the pre-riveting forming needle, so as to pass the relative force between the first upper punch and the pre-riveting forming needle. It is used to complete the riveting relationship between the contact and the material strip, and effectively improve the effect of the riveting area of the contact.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a perspective view of a riveting device provided by an embodiment of the present application;

2 is a top view of a riveting device provided by an embodiment of the present application;

Fig. 3 is the sectional view of the A-A direction of Fig. 2;

Fig. 4 is an enlarged view at C in Fig. 3;

Fig. 5 is the perspective view after cutting along the B-B direction of Fig. 2;

6 is a schematic diagram of the positional relationship between the material conveying guide rail, the material belt, the stripping column, the pre-riveting seat and the lower die seat after the riveting and pressing device provided by the embodiment of the application is decomposed;

7 is a schematic diagram of the positional relationship among the pre-riveting inserts, the pre-riveting seat and the seesaw mechanism after the riveting and pressing device provided by the embodiment of the present application is decomposed;

FIG. 8 is the disassembly of the riveting device provided by the embodiment of the application among the first upper punch, the upper spring, the pre-riveting movable needle, the first positioning rod, the second positioning rod, the positioning spring, the lower thimble and the tilting mechanism. Schematic diagram of the location relationship;

FIG. 9 is a schematic diagram of the positioning of the components to the contacts after the riveting and pressing device provided by the embodiment of the present application is disassembled.

In the picture:

01, material belt; 02, contact;

11. Vibration plate;

12. Conveying guide rail;

13. Upper die seat;

14. Upper pad;

15. Upper splint;

16. Stop plate;

17, upper template; 17a, stripping column; 17b, pre-riveting movable needle; 17d, stripping insert; 17e, upper spring;

18. Lower template; 18a, support pin; 18b, pre-riveting needle; 18c, first positioning piece; 18d, second positioning piece; 18e, dowel rod; 18f, lower thimble; 18g, pre-riveting seat; 18h, Pre-riveted inserts; 18i, positioning spring; 18j, support spring; 18k, lower spring;

19, bottom plate; 19a, seesaw mechanism; 19a1, seesaw plate; 19a2, seesaw base; 19a3, connecting shaft;

21. Lower die seat;

22. Guide column;

23a, the first upper punch; 23b, the second upper punch.

Detailed ways

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the embodiments of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by ” etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, It is constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of the present application. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the embodiments of the present application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a The interchangeable connection, or the integral connection, can be a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present application in specific situations.

Please refer to FIGS. 1-9 , a riveting device for a riveting contact 02 assembly provided in the embodiment of the present application is mainly used for the riveting contact 02 on the movable contact bridge and the static contact bridge of the low-voltage electrical switch, Of course, it can also be applied to the riveting of the contact bridge and the contact 02 of the high-voltage electrical switch according to the actual application requirements, which is not limited here. The riveting device mainly includes an upper die base 13, a lower die base 21, an upper die plate 17, a lower die plate 18 and a vibrating plate 11 for placing the contacts 02. The upper die plate 17 and the lower die plate 18 are respectively connected to the upper die through guide posts 22. Between the seat 13 and the lower mold seat 21, and between the lower mold seat 21 and the lower template 18, a lower backing plate 19 is provided. It should be noted that the upper die base 13 , the upper die plate 17 , the lower die plate 18 , the lower backing plate 19 and the lower die set 21 are arranged in this order from top to bottom, so that they are in a stacked arrangement relationship. The guide post 22 is of a retractable structure, so that the upper die base 13 can synchronously drive the upper die plate 17 to descend downward when the upper die base 13 descends.

The upper die base 13 of this embodiment has a first upper punch 23a and a second upper punch 23b vertically arranged and extending to the upper die plate 17, and the first upper punch 23a and the second upper punch 23b are parallel to each other layout. The upper template 17 has a vertical through hole, the through hole is arranged corresponding to the first upper punch 23a, a stripping column 17a is embedded in the through hole, and the lower end of the first upper punch 23a extends into the stripping column 17a, and an upper spring 17e is installed in the stripping post 17a, so that the lower end of the first upper punch 23a is connected with the upper spring 17e. The lower template 18 has a vertical through hole, the through hole is embedded with a pre-riveting seat 18g, and the pre-riveting seat 18g is located below the stripping column 17a, the upper end of the pre-riveting seat 18g has an inlay groove, and the pre-riveting seat 18g is The inlay groove can be used to install the pre-riveting insert 18h, the pre-riveting seat 18g and the pre-riveting insert 18h are correspondingly provided with vertical through pin holes, and the pre-riveting forming needles 18b are pierced through the pin holes.

The vibrating plate 11 of the present embodiment is generally in a spiral shape. The vibrating plate 11 extends out a conveying guide 12 for conveying the contacts 02 , and the conveying guide 12 extended from the vibrating plate 11 is connected to the lower template 18 . Specifically, the conveying guide rail 12 extended by the vibrating plate 11 can extend between the upper die plate 17 and the lower die plate 18, that is, the contact 02 can be conveyed to the upper end of the pre-riveting forming needle 18b of the lower die plate 18, The upper end portion of the molding needle 18b has a placement portion for placing the contact 02 thereon.

The pre-riveting insert 18h can be used to install the first positioning member 18c, the second positioning member 18d and the pre-riveting forming needle 18b. The first positioning member 18c in this embodiment is used to align the rear of the contact 02 on the pre-riveting forming needle 18b. The pushing position of the side is defined, and the second positioning member 18d is used to adjust and define the position of the left and right sides of the contact 02 on the pre-riveting needle 18b. In this way, it is ensured that the contact 02 is located just above the pre-riveting needle 18b, and the positioning of the contact 02 is completed.

The lower die plate 18 is connected with a support pin 18a for supporting the material strip 01. When the riveting device sends the material strip 01 between the upper die plate 17 and the lower die plate 18, the support pin 18a can support and protect the two sides of the material strip 01. The function of positioning, so as to ensure that the material belt 01 can be smoothly fed to the designated position, and the upper template 17 is provided with guide pins for punching the two sides of the material belt 01. When the material belt 01 is riveting the contact head 02 At the same time, the guide needle can also start a certain stabilizing effect on the material belt 01.

A pre-riveting movable pin 17b is also arranged in the stripping column 17a, and the pre-riveting movable pin 17b is located directly below the first upper punch 23a and the upper spring 17e. In this way, the lower end of the first upper punch 23a can act on the upper end of the pre-riveting movable needle 17b through the upper spring 17e, so that the pre-riveting movable needle 17b has a downward buffering action. The lower end of the pre-riveting movable pin 17b extends out of the bottom of the upper die plate 17 and collides with the contact 02. When the first upper punch 23a pushes the pre-riveting movable pin 17b, the riveting end of the contact 02 can be riveted with the material strip 01. The holes are kept concentric, thereby completing the concentric arrangement relationship of the contacts 02 and the strip 01 .

The upper end of the pre-riveting needle 18b extends out of the top of the pre-riveting seat 18g, that is, when the contact 02 is placed on the pre-riveting needle 18b, it is located on the pre-riveting insert 18h, and the lower end of the pre-riveting needle 18b Extend into the pre-riveting seat 18g. Preferably, the pre-riveting seat 18g is provided with a lower thimble 18f, and the upper end of the lower thimble 18f extends into the pre-riveting seat 18g and abuts against the lower end of the pre-riveting needle 18b. In practical applications, the upper end of the lower thimble 18f The lower end of the pre-riveting needle 18b will have an upward thrust, and the lower end of the lower thimble 18f will extend out of the bottom of the pre-riveting seat 18g.

The upper die plate 17 also has another vertical through hole, the through hole is arranged corresponding to the second upper punch 23b, and the second upper punch 23b vertically penetrates the through hole and extends out of the bottom of the upper die plate 17 . The lower template 18 also has a through hole, the through hole of the lower template 18 corresponds to the through hole of the upper template 17, and a dowel rod 18e is installed in the through hole of the lower template 18, so that the second upper punch 23b The lower end extends out of the bottom of the upper template 17 and then acts on the upper end of the dowel rod 18e, and the lower end of the dowel rod 18e extends out of the bottom of the lower template 18.

The lower backing plate 19 of this embodiment is provided with a through hole, and the seesaw mechanism 19a is installed in the through hole. The seesaw mechanism 19a used is mainly used to transmit the force emitted by the second upper punch 23b to the pre-riveting forming needle 18b. The acting force, the tilting mechanism 19a is based on the lever principle. Therefore, the lower end of the lower thimble 18f extends out of the bottom of the pre-riveting seat 18g and is connected to one end of the seesaw mechanism 19a, and the second upper punch 23b moves downward through the force transmission rod 18e to one end of the seesaw mechanism 19a generate force.

More specifically, the design requirement for the seesaw mechanism 19a is that the seesaw mechanism 19a mainly includes a seesaw plate 19a1, a seesaw base 19a2 and a connecting shaft 19a3, the seesaw plate 19a1 is located above the seesaw base 19a2, and the The middle bottom is connected to the middle top of the seesaw base 19a2 through the connecting shaft 19a3, so that the seesaw plate 19a1 and the seesaw base 19a2 form a mutually movable connection relationship. Then, the lower end of the lower thimble 18f is connected to one end of the seesaw 19a1, and the lower end of the power transmission rod 18e is connected to the other end of the seesaw 19a1, thereby completing the connection between the lower thimble 18f, the transmission rod 18e and the seesaw mechanism 19a. connection relationship.

The installation requirement of the seesaw mechanism 19a is that a through hole for installing the seesaw mechanism 19a is provided in the bottom plate 19 of this embodiment, and the bottom of the through hole is in contact with the top of the lower die base 21, so that , when the tilting mechanism 19a is completely placed in the through hole, the tilting base 19a2 can be placed on the top of the lower die base 21 . Specifically, the distance between one end of the seesaw plate 19a1 connecting the dowel rod 18e and the seesaw base 19a2 is greater than the distance between the end of the seesaw plate 19a1 connecting the lower ejector pin 18f and the seesaw base 19a2.

In this way, after the contacts 02 on the vibrating plate 11 are transported to the pre-riveting forming needles 18b in the lower template 18 through the conveying guide rail 12, the first positioning member 18c defines the position where the contacts 02 continue to slide forward, and then the second positioning The position of the left and right sides of the contact 02 is adjusted by the parts 18d to ensure that the contact 02 is located directly above the pre-riveting forming needle 18b; then the upper die base 13 is controlled to descend to drive the first upper punch 23a, and the first upper punch 23a acts On the pre-riveting movable needle 17b, the pre-riveting movable needle 17b descends through the riveting hole of the material strip 01 and abuts the riveting end of the contact 02, so that the riveting end of the contact 02 and the riveting hole of the material strip 01 are concentric. The relative relationship can effectively prevent the feet of the contact 02 from being scratched and riveted; finally, the upper die holder 13 will continue to drive the first upper punch 23a and the second upper punch 23b downward, and the first upper punch 23b. 23a will further act on the pre-riveting movable needle 17b, and the second upper punch 23b passes through the upper template 17 and acts on the transmission rod 18e, so that the transmission rod 18e pushes the tilting mechanism 19a and, according to the principle of leverage, prys the lower thimble 18f Push the pre-riveting forming needle 18b, so as to complete the riveting relationship between the contact 02 and the material strip 01 through the action of the relative force of the first upper punch 23a and the pre-riveting forming needle 18b, and effectively improve the riveting area of the contact 02. Effect.

Please refer to FIGS. 1-3. According to the above technical solution, the front-end design requirement of the riveting device of the present application is that the feeding end of the conveying guide rail 12 is connected to the vibrating plate 11, and the discharging end of the conveying guide rail 12 extends to the top Between the template 17 and the lower template 18, the top of the lower template 18 is embedded, and then the discharge end of the conveying guide 12 continues to extend forward to stop connecting to the side of the pre-riveting insert 18h. The conveying guide rail 12 is provided with a conveying chute. The conveying chute is arranged from the feed end connected to the vibrating plate 11 to the discharge end of the side connected to the pre-riveting insert 18h. The pre-riveting insert 18h has a feed opening, so , the feeding groove of the feeding guide rail 12 corresponds to the feeding port of the pre-riveting insert 18h. In practical application, the contact 02 is vibrated by the vibrating plate 11 into the feeding groove of the feeding guide 12, and under the action of compressed air, the contact 02 is transported along the feeding groove to the pre-riveting of the pre-riveting insert 18h. The upper end of the forming needle 18b has a certain arc. In this way, the purpose of conveying the contacts 02 to the pre-riveting forming needles 18b for riveting with the material strip 01 is accomplished through the optimized arrangement of the conveying guide rails 12 .

The bottom of the upper die base 13 in this embodiment is connected with the upper backing plate 14, and the upper ends of the first upper punch 23a and the second upper punch 23b are respectively vertically and fixedly connected to the bottom of the upper backing plate 14. When the upper die holder When the 13 moves downward, the upper backing plate 14 is simultaneously driven, and the upper backing plate 14 drives the first upper punch 23a and the second upper punch 23b to move downward. Preferably, the length of the second upper punch 23b is longer than that of the first upper punch The length of the rod 23a. Preferably, an upper clamping plate 15 and a stop plate 16 are also provided between the upper backing plate 14 and the upper template 17, that is to say, the bottom of the upper backing plate 14 is connected to the top of the upper clamping plate 15, and the stopper plate 16 is located on the upper clamping plate. 15 below. Therefore, the overall structure of the riveting device is provided with an upper die base 13, an upper backing plate 14, an upper clamping plate 15, a stop plate 16, an upper die plate 17, a lower die plate 18, a lower backing plate 19 and a lower die holder in order from top to bottom. 21. Each layer of plates is in a stacked arrangement relationship, wherein a gap is left between the upper clamping plate 15 and the stop plate 16, and a gap is also left between the upper template 17 and the upper template 17.

When the upper die base 13 drives the first upper punch 23a and the second upper punch 23b to move downward, the lower end of the first upper punch 23a and the lower end of the second upper punch 23b will penetrate the upper clamping plate 15 in sequence. , the stop plate 16 and extend to the upper template 17 , wherein, the second upper punch 23b will continue to descend through the upper template 17 and extend to the lower template 18 . Through the assembly relationship between the first upper punch 23a and the second upper punch 23b and the upper die base 13 , the upper backing plate 14 , the upper clamping plate 15 , the stop plate 16 , the upper template 17 and the lower template 18 , it can be effectively realized The riveting action effect of the first upper punch 23a and the second upper punch 23b on the contact 02 and the material strip 01 .

Please refer to FIGS. 6-9 , the middle of the upper end of the pre-riveting seat 18g in this embodiment has a downwardly recessed installation groove, and the pre-riveting insert 18h can be embedded in the installation groove of the upper end of the pre-riveting seat 18g. The assembly relationship between the pre-riveting insert 18h and the pre-riveting seat 18g. The upper end of the pre-riveting insert 18h has a substantially "cross"-shaped mounting groove, and the first positioning member 18c for defining the rear side of the contact 02 is embedded in the mounting groove on the upper end of the pre-riveting insert 18h, Specifically, the first positioning member 18c is assembled in the installation groove of the upper end of the pre-riveting insert 18h and the conveying guide rail 12 in a relative relationship. Preferably, the end surface of the first positioning member 18c facing the contact 02 in this embodiment is set as an arc-shaped surface, and the arc-shaped surface is approximately in the longitudinal direction of the end surface of the first positioning member 18c. The bottom has a guide seat corresponding to the feeding guide rail 12. Therefore, the upper end of the pre-riveting needle 18b will penetrate the guide seat of the first positioning member 18c, so that the upper end of the pre-riveting needle 18b extends out of the guide seat. Above, the arc surface of the first positioning member 18c is located on the side of the upper end of the pre-riveting needle 18b. When the contact 02 is delivered, the arc surface of the first positioning member 18c can directly define the advancing position of the contact 02, and the contact 02 can stay at the upper end of the pre-riveted needle 18b.

The second positioning member 18d in this embodiment includes at least two. The two second positioning members 18d are respectively embedded in the other installation grooves of the upper end of the pre-riveting insert 18h, and the second positioning members 18d are respectively located in the first positioning member. The two sides of 18c, or the second positioning member 18d, are respectively located on both sides of the first positioning member 18c. In order to achieve the purpose of adjusting the positions of the two second positioning members 18d on the left and right sides of the contact 02, respectively, a positioning spring 18j is connected to the side of the two second positioning members away from the first positioning member 18c. Under the elastic action of the spring 18j, the two second limiting members are pushed in opposite directions, so as to adjust the positions on the left and right sides of the contact 02 conveyed to the pre-riveting forming needle 18b.

Please refer to FIG. 1 and FIG. 5 , there is a gap between the upper template 17 and the lower template 18 in this embodiment. In practical applications, the riveting device transports the material belt 01 to the gap formed by the upper template 17 and the lower template 18 Among them, a plurality of stripping inserts 17b are provided in the upper template 17 for stripping the finished product of the riveted contact 02 in the strip 01 . The stripping insert 17b penetrates through the upper template 17 , a stripping punch is embedded in the stripping insert 17b , and the upper end of the stripping punch is fixedly connected to the bottom of the upper backing plate 14 . In this way, the lower end of the stripping punch vertically and downwardly penetrates the upper backing plate 14, the upper clamping plate 15, the stop plate 16 and the upper template 17, the stripping punch and the stripping insert 17b are in a movable arrangement relationship, and the upper die The seat 13 moves downward and simultaneously drives the stripping punch through the upper backing plate 14. The finished product on the material belt 01 can be directly impacted and demolded through the lower end of the stripping punch, so that the demolding process of the present application is simple and convenient. .

Please refer to FIG. 5 , the support pin 18a of this embodiment is assembled in the lower template 18, and the support pin 18a penetrates the lower template 18, the upper end of the support pin 18a extends out of the top of the lower template 18, and the lower end of the support pin 18a Extends out of the bottom of the lower formwork 18 . Preferably, a support spring corresponding to the support pin 18a is provided in the lower backing plate 19 and the lower die base 21, that is to say, the lower end of the support pin 18a is connected with the support spring, and the support pin 18a extends out of the upper die plate 17. The periphery of the upper end of the top has an annular groove that fits with the edge of the material strip 01 . In practical applications, when the material belt 01 is transported to the gap between the upper template 17 and the lower template 18, the support pins 18a in this embodiment can be arranged in two rows, and the two rows of support pins 18a are respectively connected with the incoming material belt 01. The two sides are fitted together to stabilize and limit the position of the material strip 01 between the upper die plate 17 and the lower die plate 18 . In addition, under the action of the support spring, the support pin 18a can properly adjust the height of the support pin 18a in the vertical direction, that is, the material strip 01 can be adjusted through the mutual support and interaction between the support pin 18a and the support spring. The height in the vertical direction, or the distance between the material strip 01 and the upper die plate 17 or the lower die plate 18 is adjusted.

8-9, the pre-riveting insert 18h and the pre-riveting seat 18g of this embodiment cooperate with each other to form a spring groove, and the lower end of the pre-riveting forming needle 18b penetrates into the spring groove, and the spring A lower spring 18k is installed in the groove. Therefore, the lower end of the pre-riveting needle 18b passes through the lower spring 18k, and the lower end of the pre-riveting needle 18b has a convex round head. When the pre-riveting needle 18b moves upward, the convex round head can compress the lower spring 18k, or because of the elastic action of the lower spring 18k, the pre-riveting needle 18b and the lower spring 18k form a resilient connection relationship. In practical application, when the seesaw base 19a2 acts on the lower thimble 18f, the upper end of the lower thimble 18f penetrates the spring groove and abuts against the lower end of the pre-riveting needle 18b. Compression, so that the upper end of the pre-riveting forming needle 18b pushes the contact 02 to be riveted in the riveting hole of the material strip 01, thereby completing the riveting relationship between the contact 02 and the material strip 01.

In the embodiment of the present application, a riveting pressing method using a riveting pressing device is provided, and the contact 02 can be riveted on the material strip 01 by the riveting pressing method of the present application. The specific riveting pressing method is as follows:

In step S1, the material belt 01 is in place and the contact 02 is positioned, the vibrating plate 11 is connected to the lower template 18 through the material conveying guide rail 12, the lower template 18 is connected with a supporting pin 18a for supporting the material belt 01, and the material belt 01 is arranged through the supporting pin 18a Between the upper template 17 and the lower template 18, the lower template 18 is equipped with a pre-riveting forming needle 18b, a first positioning member 18c and a second positioning member 18d through the pre-riveting seat 18g and the pre-riveting insert 18h; the conveying guide 12 extends Between the upper die plate 17 and the lower die plate 18, the contacts 02 on the vibrating plate 11 are transported to the upper end of the pre-riveting forming needle 18b through the feeding guide rail 12, and the feeding guide rail 12 transports the contact 02 to the pre-riveting forming needle The forward stroke is limited by the first positioning member 18c when the 18b is placed; the second positioning member 18d includes at least two, and the two second positioning members are respectively inlaid on the upper end of the pre-riveting insert 18h and located on both sides of the first positioning member 18c. When the material guide 12 transports the contact 02 to the pre-riveting needle 18b, the two second limiting members adjust the left and right positions of the contact 02 synchronously under the action of the positioning spring 18j;

Step S2, the riveting end of the contact 02 is arranged concentrically with the riveting hole of the material strip 01, the upper die plate 17 is assembled with the pre-riveting movable pin 17b through the stripping column 17a, after the positioning of the contact 02 is completed, the upper die seat 13 is downward During the action, the upper backing plate 14 drives the first upper punching rod 23a to move downward synchronously. The lower end of the first upper punching rod 23a penetrates the upper clamping plate 15 and the stop plate 16 and extends into the upper template 17, and the first upper punching rod 23a extends into the upper template 17. The lower end of the rod 23a acts on the upper end of the pre-riveting movable pin 17b through the action of the upper spring 17e, so that the lower end of the pre-riveting movable pin 17b extends out of the bottom of the upper template 17 and passes through the riveting hole of the material strip 01 and the contact 02 In conflict, the riveted end of the contact 02 is kept concentric with the riveted hole of the material strip 01;

In step S3, the riveting end of the contact 02 is riveted and connected to the material strip 01. After the riveting end of the contact 02 is concentric with the riveting hole of the material strip 01, the upper die base 13 synchronously drives the second upper punch when it continues to move downward. The rod 23b moves downward, so that the lower end of the second upper punch 23b penetrates the upper die plate 17 and acts on the upper end of the dowel bar 18e provided in the lower die plate 18, and then the dowel bar 18e pushes the dowel bar 19 on the lower backing plate 19 One end of the seesaw plate 19a1 of the seesaw mechanism 19a inside, the other end of the seesaw plate 19a1 of the seesaw mechanism 19a drives the lower ejector pin 18f provided in the lower template 18, and then the upper end of the lower ejector pin 18f pushes the pre-riveting forming needle. 18b moves upward, and the upper end of the pre-riveting forming needle 18b pushes the riveting end of the contact 02 to be riveted in the riveting hole of the material strip 01. In this way, the first upper punch 23a and the pre-riveting forming needle 18b are under the action of the relative force. The contact 02 is connected with the material strip 01 by riveting.

In this way, after the contacts 02 on the vibrating plate 11 are transported to the pre-riveting forming needles 18b in the lower template 18 through the conveying guide rail 12, the first positioning member 18c defines the position where the contacts 02 continue to slide forward, and then the second positioning The position of the left and right sides of the contact 02 is adjusted by the parts 18d to ensure that the contact 02 is located directly above the pre-riveting forming needle 18b; then the upper die base 13 is controlled to descend to drive the first upper punch 23a, and the first upper punch 23a acts On the pre-riveting movable needle 17b, the pre-riveting movable needle 17b descends through the riveting hole of the material strip 01 and abuts the riveting end of the contact 02, so that the riveting end of the contact 02 and the riveting hole of the material strip 01 are concentric. The relative relationship can effectively prevent the feet of the contact 02 from being scratched and riveted; finally, the upper die holder 13 will continue to drive the first upper punch 23a and the second upper punch 23b downward, and the first upper punch 23b. 23a will further act on the pre-riveting movable needle 17b, and the second upper punch 23b passes through the upper template 17 and acts on the transmission rod 18e, so that the transmission rod 18e pushes the tilting mechanism 19a and, according to the principle of leverage, prys the lower thimble 18f Push the pre-riveting forming needle 18b, so as to complete the riveting relationship between the contact 02 and the material strip 01 through the action of the relative force of the first upper punch 23a and the pre-riveting forming needle 18b, and effectively improve the riveting area of the contact 02. Effect.

A riveting device and a riveting method for a riveting contact assembly provided by the present application have been introduced in detail above. For those skilled in the art, based on the ideas of the embodiments of the present application, the specific implementation and application scope There will be changes in the above. In summary, the content of this specification should not be construed as a limitation on this application.

Claims (10)

1. A riveting method, the riveting method is applied to a riveting device for riveting a contact on a material strip, and the riveting device includes an upper die seat, a lower die seat, an upper template, a lower template and a The vibrating plate on which the contacts are placed, the upper template and the lower template are respectively connected between the upper mold seat and the lower mold seat through the guide posts, and there are provided between the lower mold seat and the lower template. The bottom plate, the vibrating plate is connected to the lower formwork through the conveying guide rail, the lower formwork is connected with a support pin for supporting the material strip, and the material strip is arranged on the upper formwork and the lower formwork through the support pin It is characterized in that the contacts on the vibrating plate are transported to the pre-riveting forming needles provided in the lower template through the conveying guide rail, and the first positioning member and the first positioning member in the lower template are The two positioning members respectively position the rear side and the left and right sides of the contact; After the positioning of the contacts is completed, when the upper die seat moves downwards, the first upper punch rod moves downward synchronously, and the lower end of the first upper punch rod extends into the upper die plate and passes through the upper spring. It acts on the pre-riveting movable needle set in the upper template, so that the lower end of the pre-riveting movable needle extends out of the bottom of the upper template and collides with the contact, so that the riveting end of the contact is in contact with the riveting end of the material strip. The riveting holes are kept concentric; After the riveting end of the contact is concentric with the riveting hole of the material strip, when the upper die holder continues to move downward, the first upper punch and the second upper punch are simultaneously driven to move downward, so that the second upper punch is moved downward. The lower end of the upper punch penetrates the upper formwork and acts on the upper end of the dowel rod arranged in the lower formwork, and then the dowel rod pushes one end of the seesaw mechanism provided in the lower backing plate , the other end of the tilting mechanism drives the lower thimble set in the lower template, and the upper end of the lower thimble pushes the pre-riveting forming needle upward, and the first upper punch and the pre-riveting needle move upward. The riveting connection between the contact and the material strip is completed under the action of the relative force of the riveting forming needle. 2 . The riveting method according to claim 1 , wherein a pre-riveting seat is provided in the lower template, and the pre-riveting forming needle, the first positioning member and the second positioning member are assembled by a pre-riveting insert. 3 . On the pre-riveting seat, the conveying guide rail extends between the upper template and the lower template and transports the contacts to the pre-riveting forming needle, and the lower thimble plays the role of the seesaw mechanism Push down the pre-riveting forming needle to rive the contact into the riveting hole of the feeding tape. 3 . The riveting method according to claim 2 , wherein the first positioning member for positioning the rear side of the contact is inlaid on the upper end of the pre-riveting insert and is in the same shape as the conveying guide rail. 4 . In a relative relationship, when the conveying guide rail conveys the contact to the pre-riveting needle, the forward stroke is defined by the first positioning member; The second positioning members for positioning the left and right sides of the contact at least include two, and the two second positioning members are respectively inlaid on the upper end of the pre-riveting insert and located on both sides of the first positioning member, When the conveying guide rail conveys the contacts to the pre-riveting forming needles, the two second limiting members synchronously adjust the left and right positions of the contacts under the action of the positioning springs. 4. A riveting device for riveting and pressing a contact assembly using the riveting method according to any one of claims 1 to 3, comprising an upper die seat, a lower die seat, an upper template, a lower template and a vibration for placing the contacts The upper template and the lower template are respectively connected between the upper mold seat and the lower mold seat through guide posts, and a lower backing plate is arranged between the lower mold seat and the lower template, so The vibrating plate is connected to the lower template through the material conveying guide rail, and the lower template is connected with a support pin for supporting the material belt. An upper punch and a second upper punch, the upper template is embedded with a stripping column, the lower end of the first upper punch extends into the stripping column, and the stripping column is provided with a preset a riveting movable needle, the lower end of the first upper punch acts on the upper end of the pre-riveting movable needle through an upper spring; A pre-riveting seat is embedded in the lower template, the pre-riveting seat is located below the stripping column, and the upper end of the pre-riveting seat is connected with a first positioning piece, a second positioning piece and a pre-riveting forming needle. The pre-riveting insert, the lower end of the pre-riveting needle extends into the pre-riveting seat, the pre-riveting seat is provided with a lower thimble, and the lower end of the pre-riveting needle acts on the lower thimble the upper end of ; The lower backing plate is provided with a seesaw mechanism, and the lower end of the lower thimble extends out of the bottom of the pre-riveting seat and is connected to one end of the seesaw mechanism; The lower formwork is provided with a dowel rod, the lower end of the second upper punch penetrates the upper formwork and acts on the upper end of the dowel rod, and the lower end of the dowel rod penetrates the lower end of the dowel rod. The template also acts on the other end of the seesaw mechanism. 5 . The riveting device according to claim 4 , wherein an upper backing plate is connected to the bottom of the upper die base, and the upper ends of the first upper punch and the second upper punch are respectively vertical. 6 . directly connected to the bottom of the upper backing plate; An upper clamping plate and a stop plate are arranged between the upper backing plate and the upper template, the lower end of the first upper punch and the lower end of the second upper punch pass through the upper clamping plate, behind the stop plate and extending to the upper template. 6 . The riveting device according to claim 4 , wherein the pre-riveting insert is embedded in the upper end of the pre-riveting seat, and the first positioning member is embedded in the upper end of the pre-riveting insert. 7 . The part is in a relative relationship with the conveying guide rail; The second positioning member includes at least two, the two second positioning members are respectively inlaid on the upper end of the pre-riveting insert and located on both sides of the first positioning member, and the two second positioning members are A positioning spring is connected to a side of the positioning member away from the first positioning member. 7. The riveting device according to claim 4, characterized in that there is a gap between the upper template and the lower template, a stripping insert is arranged in the upper template, and the stripping insert penetrates through In the upper template, a stripping punch is embedded in the stripping insert, and the upper end of the stripping punch is connected with the upper backing plate. 8 . The riveting device according to claim 4 , wherein the support pins penetrate through the lower template, and the lower backing plate and the lower mold base are provided with supports corresponding to the support pins. 9 . a spring, the lower end of the support pin is connected to the support spring, the upper end of the support pin extends out of the top of the upper template, and the periphery of the upper end of the support pin is fitted with the edge of the material strip the annular groove. 9 . The riveting device according to claim 4 , further comprising a lower spring, and the lower spring is arranged in a spring groove formed by connecting the pre-riveting insert and the pre-riveting seat. 10 . The lower end of the pre-riveting needle penetrates into the spring groove and forms a resilient connection with the lower spring, and the upper end of the lower thimble penetrates into the spring groove and is connected to the lower end of the pre-riveting needle. Department abuts. 10 . The riveting device according to claim 4 , wherein the feeding end of the conveying guide rail is connected to the vibrating plate, and the discharging end of the conveying guide rail is embedded in the top of the lower formwork and is 10 . Connected to one side of the pre-riveting insert, the feeding groove of the conveying guide rail corresponds to the feeding port of the pre-riveting insert.

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