CN217570727U

CN217570727U - Hydraulic riveting device for common rivet

Info

Publication number: CN217570727U
Application number: CN202221686410.2U
Authority: CN
Inventors: 张龙; 姜建召; 索晓晨; 张策; 张云礼; 庞建新; 张宇; 郑延飞; 王其其
Original assignee: Baotou Beifang Chuangye Co Ltd
Current assignee: Baotou Beifang Chuangye Co Ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-14
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a hydraulic riveting device for ordinary rivet, include: a hydraulic system including a hydraulic cylinder; a riveting punch, one end of which is removably connected to the protruding rod of the hydraulic cylinder to allow the riveting punch to move with the protruding rod of the hydraulic cylinder, the other end of which comprises a semicircular groove required for rivet forming; and a riveting die including a riveting dimple head including a semicircular groove provided corresponding to the semicircular groove of the riveting punch so as to perform riveting of the rivet. Through the hydraulic riveting device for the common rivet, the riveting of the common rivets with small specifications such as phi 4, phi 8, phi 10 and the like in the steel structure of the railway vehicle can be met; the riveting punch or socket can be easily coupled and decoupled for replacement; the rivet member and the rivet can be securely held by the set screw, thereby improving the stability of the riveting operation.

Description

Hydraulic riveting device for common rivet

Technical Field

The utility model belongs to the technical field of the riveting of ordinary rivet, specifically relate to a hydraulic riveting device for ordinary rivet is used for the riveting of the ordinary rivet of small dimension in the rail vehicle steel construction very much.

Background

At present, common rivets with small specifications such as phi 4, phi 8, phi 10 and the like are frequently used in steel structures of railway vehicles. During riveting, the semi-circular head of the rivet is firstly fixed, then the extending part of the rivet is heated, the extending part of the rivet is knocked by a hand hammer to be gradually formed, and then the edge of the rivet is trimmed in all directions by the hand hammer to form a structure similar to a rivet head with a thin outer edge and a thick middle part. This riveting process is inefficient and is prone to defective rivets. In addition, the manual hammer operation easily causes the quality of each rivet to be different, and quality defects are generated.

Based on the technical problems in the riveting of the steel structure of the railway vehicle, no relevant solution is provided. Therefore, there is an urgent need to find an effective solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the weak point that exists in the above-mentioned technique, provide a hydraulic riveting device for ordinary rivet, aim at satisfying the riveting of the ordinary rivet of small dimension such as phi 4, phi 8, phi 10 in the rail vehicle steel construction, realize advantages such as simple structure, low in manufacturing cost, convenient to use simultaneously.

In order to achieve the above object, the utility model provides a hydraulic riveting device for ordinary rivet, include:

a hydraulic system including a hydraulic cylinder;

a riveting punch, one end of which is removably connected to the protruding rod of the hydraulic cylinder to allow the riveting punch to move with the protruding rod of the hydraulic cylinder, the other end of which comprises a semicircular groove required for rivet forming; and

a riveting die comprising a riveting socket comprising a semicircular groove provided in correspondence with the semicircular groove of the riveting punch, so as to perform riveting of a rivet.

Through the utility model discloses a hydraulic riveting device for ordinary rivet can be applicable to the riveting of the ordinary rivet of small dimension that uses in the rail vehicle steel construction to ensure that the riveting quality of rivet is unified, improve production efficiency.

According to the utility model discloses a hydraulic pressure riveting set for ordinary rivet preferably, still includes the riveting support, the riveting support sets up including it fixedly the roof of pneumatic cylinder sets up with arranging the fixed ground below the roof the operation board of riveting mould. The utility model discloses a riveting support is formed by common section bar welding, consequently low in manufacturing cost to can modify according to the operating mode of difference, thereby satisfy the requirement of pneumatic cylinder and riveting die.

According to the utility model discloses a hydraulic riveting device for ordinary rivet, preferably, the riveting drift includes cylindrical body and circular cone point, the semicircular groove of riveting drift is formed circular cone point department, and be provided with the screw hole in the cylindrical body, so that will the riveting drift is connected to the extension bar of pneumatic cylinder. Through the setting of screw hole, the riveting drift can be coupled easily and break away from to be convenient for change according to different rivet sizes, perhaps maintain the change.

According to the utility model discloses a hydraulic riveting set for ordinary rivet, preferably, the riveting steamed corn bread includes cylindrical body and circular cone point end, the semicircular groove of riveting steamed corn bread is formed the riveting steamed corn bread the circular cone point department, and the riveting steamed corn bread be provided with the screw hole in the cylindrical body.

According to the utility model discloses a hydraulic riveting device for ordinary rivet, preferably, the riveting drift with the riveting nest head has the same structure. The riveting punch and the riveting socket head are arranged to be the same standard component, so that flexible replacement can be facilitated without distinguishing, and the use convenience and the efficiency of the riveting device are improved.

According to the utility model discloses a hydraulic riveting device for ordinary rivet, preferably, the riveting drift with the diameter of the semicircular groove of riveting nest head is phi 4, phi 8 or phi 10. The utility model discloses a riveting set can be applicable to the ordinary rivet of small dimension very much to compensate the weak point of present riveting in-process.

According to the utility model discloses a hydraulic riveting set for ordinary rivet, preferably, the riveting drift with the riveting nest head is removable standard part respectively.

According to the utility model discloses a hydraulic riveting set for ordinary rivet, preferably, the riveting mould still includes fixed plate and socket threaded rod, the fixed plate is connected to fixedly riveting the operation board of support, the one end of socket threaded rod is welded the fixed plate, the other end of socket threaded rod with the screw hole of riveting the socket is connected. The riveting die is used as an independent module, so that different riveting heads can be selected according to different working conditions, different riveting devices can be suitable for the riveting die, and the use convenience is improved.

According to the utility model discloses a hydraulic riveting device for ordinary rivet, preferably, the riveting mould is still including winding a plurality of adjusting screw that riveting nest head circumference was arranged, adjusting screw passes the fixed plate upwards stretches out.

According to the utility model discloses a hydraulic riveting set for ordinary rivet, preferably, adjusting screw includes adjustable nut, adjustable nut adjusts adjusting screw is in the position that stretches out on the fixed plate. The position where the adjusting screw extends out is adjusted through the adjusting nut, so that the riveting piece and the rivet can be stably kept at a proper riveting position, and the stability of riveting operation is improved.

The utility model discloses a hydraulic riveting device for ordinary rivet has following advantage:

1) The riveting device has the advantages of simple structure, stability, reliability and strong universality, and can meet the riveting requirements of common rivets with small specifications such as phi 4, phi 8, phi 10 and the like in a steel structure of a railway vehicle;

2) The riveting punch or the socket can be easily coupled and decoupled, and the riveting punch and the riveting socket are provided as the same standard piece, so that flexible replacement can be facilitated without distinction, and the use convenience and the efficiency of the riveting device are improved;

3) The riveting die is used as an independent module, so that different riveting sockets can be selected according to different working conditions, and the riveting die is suitable for different riveting devices, so that the use convenience is improved;

4) The riveting support is formed by welding common sectional materials, so the manufacturing cost is low, and the riveting support can be modified according to different working conditions, thereby meeting the requirements of a hydraulic cylinder and a riveting die;

5) The position where the adjusting screw extends out is adjusted through the adjusting nut, so that the riveting piece and the rivet can be stably kept at a proper riveting position, and the stability of riveting operation is improved.

Drawings

Fig. 1 is a schematic view of the general structure of a hydraulic riveting device for a common rivet according to the present invention;

fig. 2 is a schematic structural view of the riveting bracket of the present invention;

fig. 3 is a schematic structural view of the riveting punch of the present invention;

fig. 4 is a schematic structural view of the riveting die of the present invention;

fig. 5 is a schematic top view of the riveting die of the present invention.

Description of reference numerals:

1-a hydraulic system; 2-riveting a support; 21-a top plate; 22-a work plate; 3-riveting a punch; 4-riveting a die; 5-a socket threaded rod; 6, fixing a plate; 7-adjusting screws; 8-riveting a socket.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Before the description, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation.

Further, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the disclosure, so it should be understood that other equivalents and modifications may be made thereto without departing from the spirit and scope of the invention at the time of filing this application.

Fig. 1 is the structural schematic diagram of the hydraulic riveting device for common rivets of the utility model. Referring to fig. 1, the hydraulic riveting device for common rivets of the present invention includes a hydraulic system 1, a riveting support 2, a riveting punch 3 and a riveting die 4. The hydraulic system 1 comprises a hydraulic station, a hydraulic cylinder, a control cabinet, an operating handle and the like. The hydraulic cylinder of the hydraulic system 1 is fixedly provided on the ceiling of the rivet support 2, and the hydraulic cylinder extension bar extends downward. One end of the riveting punch 3 is connected with a hydraulic cylinder extension bar in the hydraulic system 1 through a fine thread, and a semicircular groove required by rivet forming is processed at the other end of the riveting punch. The caulking die 4 is fixedly provided on the work plate of the caulking bracket 2, and faces the caulking punch 3 in the vertical direction. In particular, the riveting die 4 comprises a riveting socket 8 therein, which riveting socket 8 is arranged in correspondence with the riveting punch 3 so as to perform riveting of the rivet.

Fig. 2 is a schematic structural view of the riveting bracket of the present invention. The riveting support 2 is formed by assembling and welding channel steel and steel plates, is simple to process, has low manufacturing cost and is easy to modify. The rivet support 2 includes a top plate 21 on which a hydraulic cylinder is fixedly provided and a work plate 22 disposed below the top plate 21 on which the rivet mold 4 is fixedly provided. Only 1 work plate 22 is shown in fig. 2, but the present disclosure is not so limited and multiple work plates may be provided to accommodate different operating conditions.

Fig. 3 is a schematic structural view of the riveting punch of the present invention. The riveting punch 3 has a cylindrical body and a conical tip. A threaded hole is provided in the cylindrical body to connect the riveting punch 3 with a hydraulic cylinder extension bar in the hydraulic system 1. And the riveting punch 3 is subjected to heat treatment after machining, so that the strength and the service life are ensured. As illustrated in fig. 3, the specification of the screw hole is M40 × 2. A semi-circular recess is formed in the conical tip for forming a predetermined shape when the rivet is punched. As illustrated in FIG. 3, the diameter S φ of the semicircular groove can correspond to a desired rivet size, e.g., φ 4, φ 8, φ 10, etc., with the depth H of the semicircular groove also set according to the desired rivet size. Preferably, the riveting punch 3 is a standard piece that can be mass-machined.

Fig. 4 is a schematic structural view of the riveting die of the present invention. The riveting die 4 comprises a riveting socket 8, a socket threaded rod 5 and a fixing plate 6. Preferably, the riveting socket 8 has substantially the same structure as the riveting punch 3. That is, the riveting socket 8 has a cylindrical body and a conical tip. A threaded hole is provided in the cylindrical body to connect with the threaded end of the socket threaded rod 5. A semi-circular recess is formed in the conical tip for forming a predetermined shape when the rivet is punched. After the socket head threaded rod 5 and the fixing plate 6 are assembled and welded, the riveting socket head 8 is assembled on the socket head threaded rod 5, and finally the whole riveting die 4 is fixed on the operation plate 22 of the riveting support 2 through bolts and the like, so that the riveting die can be used as a support for the semi-circular head part of the rivet during riveting. Because riveting die 4 can install as solitary module to riveting socket 8 can be changed according to the demand, consequently, this disclosed riveting die 4 can be applicable to different riveting platforms, perhaps selects according to different operating modes, thereby has improved riveting set's convenience of use.

Fig. 5 is a schematic top view of the riveting die of the present invention. Referring to fig. 5, as well as fig. 1, the riveting die 4 further comprises a plurality of adjustment screws 7. The adjustment screws 7 are disposed through the fixing plate 6 and are evenly circumferentially arranged around the riveting socket 8. In particular, an adjusting screw 7 projects upwards through the fixing plate 6 for supporting the rivet and the rivet in position. Further, the adjusting screw 7 comprises an adjustable nut, so that the support position can be adjusted individually according to the shape and requirements of the rivet. In particular, when the rivet has an irregular shape, by appropriately adjusting the projecting position of the adjusting screw 7, it can be ensured that the rivet is stably held, thereby facilitating smooth implementation of the riveting operation.

Hereinafter, the detailed operation of the hydraulic riveting apparatus for a general rivet according to the present invention will be described with reference to the drawings.

Specifically, when riveting, the rivet and the rivet are assembled into a whole, and then the semi-circular head part of the rivet is placed in the semi-circular groove of the riveting socket 3 in the riveting die 4. The riveting piece is stably fixed by adjusting the position of the adjusting screw 7 around the riveting socket 3, and if necessary, the riveting piece is fixed by assistance of tools such as pliers and the like. Then, the handle is operated to extend a piston rod of the hydraulic cylinder to drive the riveting punch 8 to extrude the rivet extending part, so that the rivet extending part is filled with the semicircular groove of the riveting punch 8, and finally, a semicircular head structure of the rivet is formed. When the forming is difficult, the rivet protruding part can be heated to a red hot state. In addition, when riveting, the pressure is maintained for a certain time as required to ensure the riveting quality.

The output pressure of the hydraulic system 1 is adjustable, and the output pressure can be adjusted according to riveting working conditions such as different rivet diameters, so that the riveting quality is ensured.

Additionally, the utility model discloses a flexible structure can change the riveting drift 3 and the riveting nest head 8 of different specifications as required to can realize the riveting of different diameter common rivets.

Through the utility model discloses a hydraulic riveting device for ordinary rivet has realized following advantage at least: 1) The riveting device has the advantages of simple structure, stability, reliability and strong universality, and can meet the riveting requirements of common rivets with small specifications such as phi 4, phi 8, phi 10 and the like in a steel structure of a railway vehicle; 2) The riveting punch or the socket can be easily coupled and decoupled, and the riveting punch and the riveting socket are set to be the same standard piece, so that flexible replacement can be facilitated without distinction, and therefore the use convenience and the efficiency of the riveting device are improved 3) the riveting die is used as an independent module, so that different riveting sockets can be selected according to different working conditions, and the riveting die can be suitable for different riveting devices, so that the use convenience is improved; 4) The riveting bracket of the utility model is formed by welding common sectional materials, so the manufacturing cost is low, and the riveting bracket can be modified according to different working conditions, thereby meeting the requirements of a hydraulic cylinder and a riveting die; 5) The position where the adjusting screw extends out is adjusted through the adjusting nut, so that the riveting piece and the rivet can be stably kept at a proper riveting position, and the stability of riveting operation is improved.

The present invention is not limited to the above embodiments, and any variations, modifications, and substitutions that may occur to those skilled in the art may be made without departing from the spirit of the present invention.

Claims

1. The utility model provides a hydraulic pressure riveting set for ordinary rivet which characterized in that includes:

a hydraulic system including a hydraulic cylinder;

2. The hydraulic riveting apparatus for ordinary rivets, according to claim 1, further comprising a riveting support comprising a top plate on which the hydraulic cylinder is fixedly disposed and a work plate on which the riveting die is fixedly disposed, the work plate being disposed below the top plate.

3. A hydraulic riveting apparatus for a common rivet according to claim 2, wherein the riveting punch comprises a cylindrical body and a conical tip, the semicircular groove of the riveting punch is formed at the conical tip, and a threaded hole is provided in the cylindrical body so as to connect the riveting punch to the protruding rod of the hydraulic cylinder.

4. A hydraulic riveting apparatus for a plain rivet according to claim 3, wherein the riveting socket comprises a cylindrical body and a conical tip, the semi-circular recess of the riveting socket is formed at the conical tip of the riveting socket, and a threaded hole is provided in the cylindrical body of the riveting socket.

5. A hydraulic riveting apparatus for a plain rivet according to claim 4, wherein the riveting punch and the riveting socket are of the same construction.

6. A hydraulic riveting apparatus for a plain rivet according to claim 5, wherein the diameter of the semi-circular recesses of the riveting punch and the riveting socket is φ 4, φ 8 or φ 10.

7. A hydraulic riveting apparatus for a plain rivet according to claim 6, wherein the riveting punch and the riveting socket are respectively replaceable standard parts.

8. The hydraulic riveting apparatus for common rivets, according to any one of claims 4 to 7, characterized in that the riveting die further comprises a fixing plate fixedly connected to the working plate of the riveting support and a socket threaded rod welded at one end to the fixing plate and connected at the other end to a threaded hole of the riveting socket.

9. A hydraulic riveting apparatus for a plain rivet according to claim 8, wherein the riveting die further comprises a plurality of adjustment screws arranged circumferentially around the riveting socket, the adjustment screws projecting upwardly through the fixing plate.

10. A hydraulic riveting apparatus for a plain rivet according to claim 9, wherein the adjustment screw comprises an adjustable nut which adjusts the position at which the adjustment screw protrudes on the fixing plate.