Heating device for riveting

Abstract

The utility model discloses a heating device for riveting, which comprises a riveting machine main body, and a riveting heating mechanism is fixedly mounted on a frame of the riveting machine main body. According to the riveting device, the riveting heating mechanism is installed, heat is transmitted to the riveting column through the heating mechanism during riveting, so that a workpiece is fused and connected, the arranged cooling assembly can cool the heated workpiece, the arranged fan blows air into the workpiece from the air inlet pipe, cooling and fixing are conducted in a centralized mode, and the air is distributed on the periphery, so that the riveting effect is improved, and the service life of the workpiece is prolonged. In addition, a copper pipe can immediately transfer part of heat outwards in the heating process, heat dissipation is conducted through a soaking plate and a heat dissipation plate, then the cooling speed can be increased, a spring and a pressing plate are arranged, the pressing plate is pressed into a positioning hole under the action of the spring in the riveting and heating process, and therefore the riveting and heating efficiency is improved. And the vibration influence on the riveting column and the workpiece when the hot riveting head is pressed down can be reduced, the impact force is relieved, and therefore the protection effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting machines, in particular to a heating device used for riveting. Background Art

[0002] Riveting refers to the process of riveting under external pressure, the riveting parts make the body material plastically deformed, and squeezed into the prefabricated grooves in the riveted screws and nuts, so as to achieve a reliable connection between the two parts. It uses electric heating to transfer the heat of the heating plate to the hot rivet head, and then heats the rivet column to make it melt. Then it is solidified by blowing or cooling to form a rivet head, thereby fixing the product.

[0003] The prior art has a publication number of CN219947333U. The technical solution disclosed in this patent document is as follows: a hot riveting mechanism, including a frame, a thin cylinder installed on the frame, a lifting frame driven downward by the thin cylinder, and a riveting assembly installed at the bottom of the lifting frame. The riveting assembly includes an insulation block, a heating block, a heating rod, a thermocouple, a hot rivet head mounting seat and a hot rivet head. A heating block is installed at the lower end of the insulation block, and a plurality of evenly arranged heating rods for heating and a thermocouple for detecting the hot riveting temperature are embedded in the heating block. A hot rivet head mounting seat for heat conduction is installed at the lower end of the heating block, and a plurality of hot rivet heads corresponding to the riveting points are installed at the lower end of the hot rivet head mounting seat, and the hot rivet head is made of alloy material.

[0004] The above technical solution is achieved by installing two air blowing pipes on the lifting frame to align with the hot rivet head. However, the air blowing pipes are arranged on the outside. Most of the air blown out during cooling quickly dissipates to the surroundings, and needs to be blown for a long time, resulting in poor cooling effect and low cooling efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a heating device for riveting to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heating device for riveting, comprising a riveting press body, on which a riveting heating mechanism is fixedly installed.

[0007] The riveting and heating mechanism includes a cylinder, a hot rivet head assembly is installed at the output end of the cylinder, a cooling assembly is installed on the outside of the hot rivet head assembly, and the cooling assembly includes a hollow ring, a cover plate is fixedly connected to the top side of the hollow ring, and fixing plates are fixedly connected to the bottom side of the cover plate on all sides, fans are installed in the through holes of the fixing plates, and air inlet pipes are provided on the inner side of the hollow ring and at the air outlet end of the fan, and the air inlet pipes pass through the outer shell of the hot rivet head assembly.

[0008] In the above technical solution, the blower is arranged to blow the blown air into the interior through the air inlet pipe for centralized cooling and fixation, and is arranged around to accelerate the cooling speed.

[0009] As a further preference of this technical solution, a placement table is arranged below the riveting end of the main body of the riveting press. A riveting column is fixedly connected to the placement table, and a positioning hole is opened at the edge of the top side of the riveting column.

[0010] As a further preference of this technical solution, the hot riveting head assembly includes a riveting rod, the riveting rod is connected to the output end of the cylinder, and a heating mechanism is installed inside the riveting rod.

[0011] As a further preference of this technical solution, springs are embedded at the edges of the bottom side of the riveting rod, and pressing plates are embedded at the bottom sides of the springs. The pressing plates are located directly above the positioning holes.

[0012] In the above technical solution, when riveting and heating, under the action of the spring, the pressing plate is pressed into the positioning hole, which can reduce the vibration influence on the riveting column and the workpiece when the hot riveting head presses down, relieve the impact force, and thus has a protective effect.

[0013] As a further preference of this technical solution, ventilation holes are arranged in a row on the cover plate.

[0014] In the above technical solution, the arranged ventilation holes can ventilate, enabling the blower to operate normally and providing conditions for cooling and solidifying the workpiece.

[0015] As a further preference of this technical solution, the hollow ring is provided with insertion holes arranged in a circumferential direction, and copper tubes are inserted into the insertion holes. The copper tubes all extend to the inner side of the riveting rod.

[0016] In the above technical solution, the arranged copper tubes can immediately transfer part of the heat outward when heated.

[0017] As a further preference of this technical solution, a heat dissipation plate is fixedly connected to the outer side of the copper tube. The heat dissipation plate is arranged on the outer wall of the hollow ring, and heat dissipation fins are arranged on the outer surface of the heat dissipation plate.

[0018] In the above technical solution, the arranged heat dissipation plate and heat dissipation fins can accelerate the heat dissipation of the copper tubes and further improve the cooling and temperature reduction speed.

[0019] The present invention provides a heating device for riveting, which has the following beneficial effects:

[0020] (1) The utility model installs a riveting, pressing and heating mechanism. During riveting, the heating mechanism transfers heat to the riveting post, causing the workpiece to melt and connect. The provided cooling component can cool the heated workpiece. The provided fan blows the blown air into the interior from the air inlet pipe for centralized cooling and fixation, and is arranged around the periphery, accelerating the cooling speed. In addition, the provided copper pipe can immediately transfer part of the heat outward during heating, and dissipate heat through the provided heat equalizing plate and heat dissipation plate, thereby being able to improve the cooling and temperature reduction speed.

[0021] (2) The utility model, through the provided spring and pressing plate, enables the pressing plate to press into the positioning hole under the action of the spring during riveting and heating, which can reduce the vibration influence on the riveting post and the workpiece when the hot riveting head presses down, relieve the impact force, and thus has a protective effect. Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the riveting machine of the utility model;

[0023] Figure 2 is a schematic structural diagram of the hot riveting head of the utility model;

[0024] Figure 3 is a schematic structural diagram of the interior of the hot riveting head of the utility model;

[0025] Figure 4 is a schematic structural diagram of the cooling component of the utility model;

[0026] Figure 5 is an enlarged view of Figure A of the utility model;

[0027] In the figure: 1. Main body of the riveting machine; 2. Riveting, pressing and heating mechanism; 11. Placing table; 12. Riveting post; 13. Positioning hole; 21. Cylinder; 22. Hot riveting head assembly; 23. Cooling component; 221. Riveting rod; 222. Heating mechanism; 223. Spring; 224. Pressing plate; 231. Hollow ring; 232. Cover plate; 233. Ventilation hole; 234. Fixed plate; 235. Fan; 236. Air inlet pipe; 237. Insertion hole; 238. Copper pipe; 239. Heat equalizing plate; 2391. Heat dissipation plate. Detailed Embodiments

[0028] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the utility model.

[0029] The utility model provides a technical solution: As Figure 1 、 Figure 2 、and Figure 5As shown in the figure, in this embodiment, a heating device for riveting and pressing includes a riveting press main body 1. A riveting and heating mechanism 2 is fixedly installed on the frame of the riveting press main body 1. A placement table 11 is arranged below the riveting end of the riveting press main body 1. A riveting column 12 is fixedly connected to the placement table 11. A positioning hole 13 is formed at the top side edge of the riveting column 12. Springs 223 are embedded at the bottom side edges of the riveting rods 221. Pressure plates 224 are embedded at the bottom sides of the springs 223. The pressure plates 224 are located directly above the positioning holes 13. By providing the springs 223 and the pressure plates 224, when riveting and heating, under the action of the springs 223, the pressure plates 224 are pressed into the positioning holes 13, which can reduce the vibration impact on the riveting column 12 and the workpiece when the hot riveting head presses down, relieve the impact force, and thus have a protective effect.

[0030] As Figure 2 and Figure 3 shown in the figure, the riveting and heating mechanism 2 includes a cylinder 21. A hot riveting head assembly 22 is installed at the output end of the cylinder 21. A cooling assembly 23 is installed outside the hot riveting head assembly 22. The cooling assembly 23 further includes a hollow ring 231. A cover plate 232 is fixedly connected to the top side of the hollow ring 231. Fixed plates 234 are fixedly connected to the four peripheries of the bottom side of the cover plate 232. Air blowers 235 are installed in the through holes of the fixed plates 234. Air inlet pipes 236 are arranged at the air outlet ends of the air blowers 235 inside the hollow ring 231. The air inlet pipes 236 all pass through the outer shell of the hot riveting head assembly 22. The hot riveting head assembly 22 includes a riveting rod 221. The riveting rod 221 is connected to the output end of the cylinder 21. A heating mechanism 222 is installed inside the riveting rod 221. Ventilation holes 233 are arranged in a row on the cover plate 232. By installing the riveting and heating mechanism 2, during riveting, heat is transferred to the riveting column 12 through the heating mechanism 222, so that the workpiece melts and is connected. The provided cooling assembly 23 can cool the heated workpiece. The air blowers 235 blow the blown air into the interior through the air inlet pipes 236 for centralized cooling and fixation, and are arranged around the periphery, accelerating the cooling speed.

[0031] As Figure 3 and Figure 4 shown in the figure, the hollow ring 231 is provided with insertion holes 237 arranged in a circumferential direction. Copper tubes 238 are inserted into the insertion holes 237. The copper tubes 238 all extend to the inside of the riveting rod 221. A heat equalizing plate 239 is fixedly connected to the outer side of the copper tubes 238. The heat equalizing plate 239 is arranged on the outer wall of the hollow ring 231. Heat dissipation plates 2391 are arranged on the outer surface of the heat equalizing plate 239. When heated, the provided copper tubes 238 can immediately transfer part of the heat outwards, and heat dissipation is carried out through the provided heat equalizing plate 239 and heat dissipation plates 2391, thereby being able to improve the speed of cooling and temperature reduction.

[0032] The utility model provides a heating device for riveting and pressing, and the specific working principle is as follows: Place the workpiece to be connected on the riveting post 12, and use the air cylinder 21 to make the hot riveting head perform riveting and pressing. The provided heating mechanism 222 transfers heat to the riveting post 12, causing the workpiece to melt and be connected; then, the provided blower 235 blows the air into the interior from the air inlet pipe 236 for centralized cooling and fixing. Moreover, the provided copper pipe 238 can immediately transfer part of the heat outwards during heating, and heat dissipation is carried out through the provided heat equalizing plate 239 and heat dissipation plate 2391.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A heating device for riveting, comprising a riveting machine body (1), characterized in that: A riveting heating mechanism (2) is fixedly mounted on the frame of the riveting machine main body (1); The riveting and heating mechanism (2) comprises a cylinder (21), a hot riveting head assembly (22) is installed at the output end of the cylinder (21), a cooling assembly (23) is installed outside the hot riveting head assembly (22), and the cooling assembly (23) further comprises a hollow ring (231), a cover plate (232) is fixedly connected to the top side of the hollow ring (231), and a fixing plate (234) is fixedly connected to the bottom side of the cover plate (232) on all sides, and a fan (235) is installed in the through hole of the fixing plate (234), and an air inlet pipe (236) is provided inside the hollow ring (231) and at the air outlet end of the fan (235), and the air inlet pipe (236) passes through the outer shell of the hot riveting head assembly (22).

2. A heating device for riveting according to claim 1, characterized in that: A placement platform (11) is provided below the riveting end of the riveting machine body (1), a riveting column (12) is fixedly connected to the placement platform (11), and a positioning hole (13) is provided at the top edge of the riveting column (12).

3. A heating device for riveting according to claim 1, characterized in that: The hot riveting head assembly (22) comprises a riveting rod (221), the riveting rod (221) is connected to the output end of the cylinder (21), and a heating mechanism (222) is installed inside the riveting rod (221).

4. A heating device for riveting according to claim 3, characterized in that: A spring (223) is embedded at the bottom edge of the riveting rod (221), and a pressure plate (224) is embedded at the bottom side of the spring (223). The pressure plate (224) is located directly above the positioning hole (13).

5. A heating device for riveting according to claim 1, characterized in that: The cover plate (232) is provided with ventilation holes (233) arranged in an array.

6. A heating device for riveting according to claim 1, characterized in that: The hollow ring (231) is provided with insertion holes (237) arranged in a circumferential direction, and copper tubes (238) are inserted into the insertion holes (237). The copper tubes (238) extend to the inner side of the riveting rod (221).

7. A heating device for riveting according to claim 6, characterized in that: A heat spreader (239) is fixedly connected to the outside of the copper tube (238), the heat spreader (239) is arranged on the outer wall of the hollow ring (231), and heat dissipation plates (2391) are arranged on the outer surface of the heat spreader (239).

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