CN110280708B

CN110280708B - Riveting device and riveting method for lamp body structure without rivet column

Info

Publication number: CN110280708B
Application number: CN201910507305.4A
Authority: CN
Inventors: 罗万文; 郭庆华
Original assignee: Guangzhou Mingdao Culture Technology Group Co ltd
Current assignee: Guangzhou Mingdao Culture Technology Group Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2024-04-12
Anticipated expiration: 2039-06-12
Also published as: CN110280708A

Abstract

The invention relates to a riveting device of a lamp body structure without a riveting column, which comprises a main body, wherein one side of the main body is provided with an upper die and a lower die, the upper die is provided with a round hole, and the lower die is positioned below the upper die; the mold core penetrates through the round hole and extends from the upper part of the upper mold to the direction of the lower mold, and a pushing upper cover is arranged at the top end of the mold core; the upper spring is sleeved outside the mold core and clamped between the pushing upper cover and the upper mold; and the lower spring is sleeved outside the mold core and is positioned between the upper mold and the lower mold. A riveting method of a riveting device without a riveting column of a lamp body structure comprises the steps of fixing a lower fixing seat below a workpiece to be riveted; fixing the connecting seat, the lower fixing seat and the upper fixing seat together; placing a workpiece to be riveted between a lower die and a lower spring, arranging a rivet below a die core, and pressing down a pushing upper cover; and (5) withdrawing the force applied to the pushing upper cover to finish riveting the workpiece. The whole riveting process is simple and quick.

Description

Riveting device and riveting method for lamp body structure without rivet column

Technical Field

The invention relates to the technical field of lamp body riveting, in particular to a riveting device and a riveting method for a lamp body structure without a rivet column.

Background

Stage lamp body support is generally all assembled each other by a plurality of metal racks, and wherein the connection of metal rack is mostly accomplished with loose core nail or beat the screw, and this connected mode can appear loose core nail and screw and turn loose the condition, and because the equipment is troublesome, and the equipment cycle time is long, and manufacturing cost is high.

Disclosure of Invention

The invention aims to provide a riveting device and a riveting method for a lamp body structure without a rivet column, so as to solve the problems in the background technology.

In order to achieve the above purpose, the invention adopts the following technical scheme: the riveting device comprises a main body, wherein an upper die and a lower die are arranged on one side of the main body, the upper die is provided with a round hole, and the lower die is positioned below the upper die; the mold core penetrates through the round hole, extends from the upper part of the upper mold to the direction of the lower mold, and is provided with a pushing upper cover at the top end; the upper spring is sleeved outside the mold core and clamped between the pushing upper cover and the upper mold; and the lower spring is sleeved outside the mold core and is positioned between the upper mold and the lower mold.

Further, the diameter of the upper spring is larger than that of the round hole, and the pushing upper cover is connected with the upper spring.

Further, the bottom end of the mold core is higher than the bottom end of the lower spring.

Further, a connecting part is arranged on the outer side wall of the mold core, and the connecting part is fixed with the lower spring.

Further, the lower spring is connected with the bottom surface of the upper die.

Further, the lower die is located right below the upper die, the lower die is provided with a support column, and the central axis of the support column is coaxial with the central axis of the round hole.

Further, the main body comprises an upper fixing seat, a connecting seat and a lower fixing seat, the upper fixing seat is connected with the upper surface of the connecting seat, the lower fixing seat is connected with the lower surface of the connecting seat, the upper die is fixed on one side of the upper fixing seat, and the lower die is fixed on one side of the lower fixing seat.

Further, a positioning hole is formed in the bottom of the lower fixing seat.

A riveting method of a riveting device without a rivet column of a lamp body structure comprises the following steps:

a. fixing the lower die below the workpiece to be riveted, and adjusting the upper die to be right above the lower die;

b. placing a workpiece to be riveted between a lower die and a lower spring, arranging a rivet below a die core, applying force on a pushing upper cover, firstly pressing the lower spring on the workpiece to be riveted, continuously pressing the pushing upper cover, and riveting the rivet on the workpiece to be riveted by the die core;

c. and (3) withdrawing the force applied to the pushing upper cover, lifting the die core upwards, continuously pressing the riveted workpiece by the lower spring, continuously lifting the die core upwards under the action of the upper spring, and separating the lower spring from the riveted workpiece until the upper spring and the lower spring are reset.

The beneficial effects of the invention are as follows: the whole riveting process is simple and quick, the assembly time is short, the production efficiency is improved, after the workpiece is riveted, no loose core nails and screws are arranged on the surface of the workpiece, the appearance is attractive, and compared with the traditional riveting method without loose core nails and screws, the anti-loosening condition can be effectively reduced, the safety coefficient is improved, and the manufacturing cost is reduced.

Drawings

The invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.

FIG. 1 is a schematic diagram of a structure according to an embodiment of the present invention;

FIG. 2 is a side view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of fig. 2.

Detailed Description

As shown in fig. 1-2, an embodiment of the present invention provides a lamp body structure rivetless riveting device, which includes a main body 1, a mold core 2, an upper spring 3 and a lower spring 4. An upper die 11 and a lower die 12 are arranged on one side of the main body 1, the upper die 11 is provided with a round hole 111, and the lower die 12 is positioned below the upper die 11. The mold core 2 passes through the round hole 111, and the mold core 2 extends from the upper part of the upper mold 11 towards the lower mold 12, and the top end of the mold core 2 is provided with a pushing upper cover 21. The upper spring 3 is sleeved outside the mold core 2, the upper spring 3 is clamped between the pushing upper cover 21 and the upper mold 11, the diameter of the upper spring 3 is larger than that of the round hole 111, the upper spring 3 is prevented from being clamped into the round hole 111, the pushing upper cover 21 is connected with the upper spring 3, and when the mold core 2 is pressed downwards, the upper spring 3 respectively applies elastic force to the pushing upper cover 21 and the upper mold 11. The lower spring 4 is sleeved outside the mold core 2, and the lower spring 4 is positioned between the upper mold 11 and the lower mold 12. Through go up spring 3 with down spring 4 mutually support, ensure mold core 2 is after having riveted the work piece, can utilize go up spring 3 with down spring 4's elasticity is smooth and easy to return the material, avoids causing the secondary to accomplish riveted work piece and influences, and whole device simple structure, with low costs.

As shown in fig. 1 to 3, the bottom end of the die core 2 is higher than the bottom end of the lower spring 4, when the die core 2 is pressed downward, the lower spring 4 may be in contact with the workpiece to be riveted first, and after the workpiece to be riveted is riveted, the lower spring 4 may act on the riveted workpiece even if the die core 2 is separated from the riveted workpiece. The lateral wall of mold core 2 is equipped with junction 22, junction 22 is located go up the bottom surface of mould 11 extremely the intermediate position between the mold core 2 bottom, junction 22 with lower spring 4 is fixed, junction 22 can be through welding or the mode of buckle with lower spring 4 is connected, lower spring 4 with the bottom surface of last mould 11 is connected, when mold core 2 down moves, junction 22 also can follow down and remove, at this moment, lower spring 4 more than the junction 22 can be stretched, thereby to mold core 2 produces the power of back, and lower spring 4 below junction 22 can not produce deformation before contacting the work piece that waits to rivet.

As shown in fig. 1 to 3, the main body 1 includes an upper fixing seat 13, a connecting seat 14 and a lower fixing seat 15, the upper fixing seat 13 is connected with the upper surface of the connecting seat 14 by a screw, the lower fixing seat 15 is connected with the lower surface of the connecting seat 14 by a screw, and the main body 1 is split into three parts, wherein the connecting seat 14 can replace the connecting seat 14 with the corresponding size and dimension according to the actual situation of the workpiece to be riveted. The upper die 11 is fixed on one side of the upper fixing base 13, and the lower die 12 is fixed on one side of the lower fixing base 15. The lower die 12 is located right below the upper die 11, the lower die 12 is provided with a support column 121, the support column 121 is used for placing a workpiece to be riveted, the central axis of the support column 121 is coaxial with the central axis of the round hole 111, the die core 2 is approximately columnar, the central axis of the die core 2 is coaxial with the central axis of the support column 121, and it is ensured that the die core 2 can accurately rivet a rivet into the workpiece to be riveted in the riveting process. The bottom of lower fixing base 15 is equipped with locating hole 151, locating hole 151 can insert on external hydraulic press or install on external workstation, ensures in the riveting process go up mould 11 can not take place the shake to influence the riveting effect.

As shown in fig. 1-3, during actual use, the external hydraulic machine is prepared first, the lower fixing seat 15 is fixed on the external hydraulic machine, and the workpiece to be riveted is prepared above the lower fixing seat 15; aligning and overlapping the central axis of the round hole 111 and the central axis of the support column 121, fixing the lower surface of the connecting seat 14 and the lower fixing seat 15 together through a pin screw, and fixing the upper surface of the connecting seat 14 and the upper fixing seat 13 together through a pin screw; placing a workpiece to be riveted between a lower die 12 and a lower spring 4, preparing a rivet below a die core 2, allowing the rivet to be transmitted through external automatic equipment or placed by a human hand, allowing the force to act on a pushing upper cover 21 through an external hydraulic press, allowing the die core 2 to descend, allowing the lower spring 4 to move downwards under the driving of the die core 2, allowing the lower spring 4 to press the workpiece to be riveted, continuing to press the pushing upper cover 21, allowing the lower spring 4 to be compressed at a part below a connecting part 22, allowing the lower spring 4 to be elongated at a part above the connecting part 22, and allowing the die core 2 to rivet the rivet on the workpiece to be riveted; the external hydraulic press is retracted to exert force on the pushing upper cover 21, the die core 2 is lifted upwards, the lower spring 4 starts to reset at the part below the connecting part 22, the bottom end of the lower spring 4 continuously presses the riveted workpiece, the part above the connecting part 22 of the lower spring 4 is reset to be shortened, the whole lower spring 4 exerts an upward force on the die core 2, the die core 2 continuously lifts under the action of the upper spring 3, the die core 2 and the riveted workpiece are separated, smooth material returning is guaranteed, the lower spring 4 is far away from the riveted workpiece, and the lower spring 4 and the upper spring 3 are completely reset, so that the riveting of the workpiece is completed. After the workpiece is riveted, the surface of the workpiece is free of the loose core nails and the screws, the appearance is attractive, compared with the traditional riveting method using the loose core nails and the screws, the anti-loosening condition can be effectively reduced, the safety coefficient is improved, the manufacturing cost is reduced, the whole riveting process is simple and quick, the assembly time is short, and the production efficiency is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a lamp body structure does not have riveting set which characterized in that includes:

the upper die is provided with a round hole, and the lower die is positioned below the upper die;

the mold core penetrates through the round hole, extends from the upper part of the upper mold to the direction of the lower mold, and is provided with a pushing upper cover at the top end;

the upper spring is sleeved outside the mold core and clamped between the pushing upper cover and the upper mold;

the lower spring is sleeved outside the mold core and is positioned between the upper mold and the lower mold;

the diameter of the upper spring is larger than that of the round hole, and the pushing upper cover is connected with the upper spring;

the bottom end of the mold core is higher than the bottom end of the lower spring;

the outer side wall of the mold core is provided with a connecting part which is fixed with the lower spring;

the lower spring is connected with the bottom surface of the upper die.

2. The lamp body structure rivetless riveting apparatus of claim 1, wherein: the lower die is located right below the upper die, the lower die is provided with a support column, and the central axis of the support column is coaxial with the central axis of the round hole.

3. The lamp body structure rivetless riveting apparatus of claim 2, wherein: the main part includes fixing base, connecting seat and lower fixing base, go up the fixing base with the connecting seat upper surface is connected, lower fixing base with the lower surface of connecting seat is connected, go up the mould and be fixed in one side of going up the fixing base, the lower mould is fixed in one side of lower fixing base.

4. A lamp body structure rivetless riveting apparatus as claimed in claim 3, wherein: the bottom of the lower fixing seat is provided with a positioning hole.

5. A riveting method of a lamp body structure rivetless riveting device as claimed in any one of claims 1 to 4, characterized by comprising the steps of: