Hot air cold riveting device

Abstract

The utility model relates to a hot air cold riveting device which comprises a workbench provided with a heating station and a riveting station. The heating assembly is arranged right opposite to the heating station, the heating assembly comprises a plurality of heating pieces arranged in an array mode, and the heating pieces conduct heating respectively; the riveting assembly comprises a plurality of riveting heads arranged in an array mode, the multiple riveting heads are right opposite to the riveting station, and the projections of the multiple riveting heads coincide with the projections of the multiple heating pieces; according to the utility model, the plurality of heating pieces are arranged to independently heat the local part of the plastic piece, and then the copper sheet and the plastic piece are riveted through the riveting head, so that not only is the plastic piece prevented from being integrally heated, but also the riveting efficiency of the copper sheet and the plastic piece is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to riveting equipment technical field especially is a hot air cold riveting device. BACKGROUND

[0002] In the prior art, copper sheet and plastic part are usually assembled by ultrasonic welding technology, and ultrasonic welding is a technology that uses friction heat generated by ultrasonic vibration to realize local softening or melting of materials to complete welding. Since multiple connection points are needed between the copper sheet and the plastic part, when using ultrasonic riveting welding technology, the entire plastic needs to be heated to achieve the desired welding effect. However, heating the entire plastic can cause local overheating, resulting in melting or charring of the plastic, and finally cracks can appear near the welded joint. Therefore, ultrasonic welding technology requires high equipment and operating environment, and heating the entire plastic can result in very inefficient welding work. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem that the prior art needs to heat the entire plastic part before ultrasonic welding, which causes local overheating, melting, and charring of the plastic part, and low welding efficiency. Therefore, a hot air cold riveting device is provided, which heats the local plastic part by multiple heating elements, and then rivets the copper sheet and the plastic part by a riveting head. This not only avoids heating the entire plastic part, but also significantly improves the riveting efficiency of the copper sheet and the plastic part.

[0004] To solve the above technical problems, the utility model provides a hot air cold riveting device, comprising,

[0005] A workbench is provided with a heating station and a riveting station.

[0006] A heating assembly is arranged opposite the heating station, and the heating assembly includes multiple heating elements arranged in an array, each of which heats.

[0007] A riveting assembly includes multiple riveting heads arranged in an array, and the multiple riveting heads are arranged opposite the riveting station, and the projections of the multiple riveting heads coincide with the projections of the multiple heating elements.

[0008] In one embodiment of the utility model, the heating element is arranged as a heating pipe with open ends, one end of the heating pipe is connected to a hot gas source, and the other end is aligned with the heating station.

[0009] In one embodiment of the utility model, it further includes a transfer module and a jig connected to the workbench, and the transfer module drives the jig to the riveting station and the heating station.

[0010] In an embodiment of the utility model, the riveting assembly further includes a movable plate and a first driver, the first driver drives the movable plate to approach or move away from the riveting station, and multiple riveting heads are connected to the movable plate.

[0011] In an embodiment of the utility model, the riveting assembly further includes a first mounting plate movably connected to the movable plate, the first mounting plate is located on the side of the movable plate close to the jig, multiple riveting heads are connected to the first mounting plate, and a spring is arranged between the first mounting plate and the movable plate.

[0012] In an embodiment of the utility model, the heating assembly further includes a second mounting plate and a second driver, the second driver drives the second mounting plate to approach or move away from the heating station, and multiple heating elements are connected to the second mounting plate.

[0013] In an embodiment of the utility model, a positioning rod is arranged on the second mounting plate, the positioning rod extends along the moving direction of the second mounting plate, the jig is provided with a positioning hole opposite to the positioning rod, and the diameter of the positioning hole is greater than the diameter of the positioning rod.

[0014] In an embodiment of the utility model, the moving directions of the first mounting plate and the second mounting plate are the same.

[0015] In an embodiment of the utility model, a temperature controller electrically connected to multiple heating elements is further included.

[0016] In an embodiment of the utility model, a temperature display electrically connected to the temperature controller is further included.

[0017] In an embodiment of the utility model, a heat preservation cover is further included, and multiple heating elements are all arranged in the heat preservation cover.

[0018] In an embodiment of the utility model, multiple temperature displays equal in number to the heating elements are further included.

[0019] In an embodiment of the utility model, multiple temperature controllers equal in number to the heating elements are further included.

[0020] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0021] The hot air cold riveting device of this utility model uses multiple heating elements to heat the plastic parts individually in localized areas, avoiding heating the entire plastic part, thereby eliminating the phenomenon of overheating leading to melting or even charring of the plastic part; since the projections of the multiple rivet joints coincide with the projections of the multiple heating elements, the multiple local heating points of the plastic part can be aligned with the multiple rivet joints one by one, realizing one-press-multiple riveting and significantly improving riveting efficiency. Attached Figure Description

[0022] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the hot air cold riveting device in a preferred embodiment of the present invention;

[0024] Figure 2 for Figure 1 Another structural schematic diagram of the hot air cold riveting device shown;

[0025] Figure 3 for Figure 1 A schematic diagram of the structure of the enlarged view at point A shown.

[0026] Explanation of reference numerals in the accompanying drawings: 1. Fixture; 11. Positioning hole; 2. Heating element; 21. Second mounting plate; 22. Second actuator; 3. Riveting joint; 31. First mounting plate; 32. Spring; 33. Movable plate; 34. Support; 35. First actuator; 36. First guide rod; 37. Second guide rod; 38. Positioning rod; 4. Transfer module; 5. Worktable; 51. Heating station; 52. Riveting station; 6. Temperature controller; 7. Temperature display; 8. Insulation cover. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention. Example

[0028] Reference Figure 1 As shown, in one embodiment of this utility model, a hot air cold riveting device is disclosed, which is used for riveting copper sheets and plastic parts. The device includes...

[0029] The workbench 5 has a heating station 51 and a riveting station 52 on its surface. The plastic parts are heated at the heating station 51, and the copper sheets and plastic parts are riveted at the riveting station 52.

[0030] A heating assembly is arranged above the heating station 51 for heating the plastic part, the heating assembly comprises a plurality of heating elements 2 arranged in an array, and the number of heating elements 2 is preferably nine; the nine heating elements 2 are arranged opposite to the nine local heating points of the plastic part respectively, and each heating element 2 heats each local part of the plastic part when the plastic part is located in the heating station 51, so that the plastic part is not heated as a whole, thereby avoiding the phenomenon of overheating deformation and cracking of the plastic part, and the nine heating elements 2 are independent of each other and can be heated respectively.

[0031] A riveting assembly comprises a plurality of riveting heads 3 arranged in an array, and the number of riveting heads 3 is preferably nine; the nine riveting heads 3 are arranged above the riveting station 52, and the projections of the nine riveting heads 3 on the horizontal plane coincide with the projections of the nine heating elements 2 on the horizontal plane, so as to ensure that the nine riveting heads 3 can accurately align with the nine local heating points of the plastic part.

[0032] Referring to Figure 1 Further, the heating element 2 is arranged as a heating pipe with open ends, and the heating pipe is arranged vertically, one end of the heating pipe is connected to a hot air source, and the other end is aligned with the heating station 51; the hot air provided by the hot air source enters the heating pipe and blows towards the plastic part from the other end, so that the plastic part is heated by the hot air; the hot air source is preferably a hot air blower or a heating gun.

[0033] Referring to Figure 1 Further, in order to improve the feeding and discharging efficiency, a transfer module 4 connected to the workbench 5 and a jig 1 connected to the output end of the transfer module 4 are further provided, and the transfer module 4 and the jig 1 are located below the riveting head 3 and the heating element 2; after the worker fixes the copper sheet and the plastic part on the jig 1, the transfer module 4 drives the jig 1 to the heating station 51 for heating, and then returns to the riveting station 52 for riveting; further, the transfer module 4 is provided with two output ends, and two jigs 1 are used to alternately feed and discharge, thereby further improving the riveting efficiency.

[0034] Referring to Figure 2 and Figure 3As shown, the riveting assembly further comprises a support 34 fixed on the workbench 5, a movable plate 33 movably connected to the support 34, and a first driver 35 fixed on the support 34, preferably a pneumatic cylinder, the output end of the first driver 35 is connected to the movable plate 33, the first driver 35 and the movable plate 33 are located directly above the riveting station 52, nine riveting heads 3 are connected to the bottom of the movable plate 33, the first driver 35 drives the movable plate 33 to descend so that the riveting heads 3 complete riveting, and after riveting, the first driver 35 drives the movable plate 33 to ascend, further, in order to improve the stability of the movable plate 33, a second guide rod 37 is vertically arranged on the movable plate 33, and the second guide rod 37 passes through a guide hole of the support 34.

[0035] Referring to Figure 3 As shown, in order to buffer the riveting heads 3 and prevent the riveting heads 3 from damaging the copper sheet and the plastic part, the riveting assembly further comprises a first mounting plate 31 movably connected to the bottom of the movable plate 33, nine riveting heads 3 are arranged on the bottom of the first mounting plate 31, and a spring 32 is arranged between the first mounting plate 31 and the movable plate 33, when the riveting heads 3 press on the plastic part, the spring 32 is contracted to buffer the riveting heads 3, further, in order to improve the stability of the first mounting plate 31, a first guide rod 36 is vertically arranged on the first mounting plate 31, and the first guide rod 36 passes through a guide hole of the movable plate 33.

[0036] Referring to Figure 1 As shown, the heating assembly further comprises a second mounting plate 21 and a second driver 22 connected to the workbench 5, preferably a pneumatic cylinder, the second mounting plate 21 is connected to the output end of the second driver 22, nine heating parts 2 are connected to the second mounting plate 21, and the second driver 22 drives the second mounting plate 21 to descend or ascend to adjust the distance between the heating parts 2 and the plastic part, thereby improving the air heating effect.

[0037] Referring to Figure 3 As shown, in order to improve the stability of the jig 1, two positioning rods 38 are arranged on the bottom of the second mounting plate 21, the positioning rods 38 extend along the moving direction of the second mounting plate 21, the jig 1 is provided with two positioning holes 11 opposite to the positioning rods 38, the diameter of the positioning holes 11 is greater than that of the positioning rods 38, during the descending process of the movable plate 33 before riveting, the positioning rods pass through the positioning holes 11 to limit the jig 1, thereby preventing the jig 1 from being deviated, and then the riveting heads 3 contact the plastic part.

[0038] Referring to Figure 3 As shown, the moving direction of the first mounting plate 31 and the second mounting plate 21 is vertical up and down, thereby achieving heating and riveting of the plastic part from the top.

[0039] Referring toFigure 2 The temperature controller 6 is electrically connected to the heating pieces 2 and is used to adjust the temperature of the heating pieces 2.

[0040] Referring to Figure 2 The temperature display 62 is electrically connected to the temperature controller 6 and is used to display the temperature of the heating pieces 2 in real time so as to be monitored by the worker.

[0041] Referring to Figure 2 In order to keep the heating pipes and prevent the heat loss, the heat preservation cover 8 is connected to the workbench 5, and the heating pipes are arranged in the heat preservation cover 8.

[0042] Referring to Figure 2 The temperature display 62 is electrically connected to the heating pieces 2 and is used to display the temperature of each heating piece 2, thereby reducing the operation mistake.

[0043] Referring to Figure 2 The temperature controller 6 is electrically connected to the heating pieces 2 and is used to display the temperature of each heating piece 2, thereby reducing the operation mistake.

[0044] The working principle of the hot air cold riveting device is as follows:

[0045] In the feeding and discharging station, the worker stacks the copper sheet and the plastic piece on the jig 1, sets the heating temperature through the temperature controller 6, presses the start button, and then the moving module 4 moves the jig 1 to the heating station 51, the heating piece 2 is aligned with the heating point of the plastic clamp, the second driver 22 drives the heating piece 2 to descend and approach the plastic piece, the heating piece 2 starts to heat and soften the plastic piece, after the heating is completed, the moving module 4 moves the jig 1 to the riveting station 52, the riveting head 3 is aligned with the heating point of the plastic piece, the first driver 35 drives the movable plate 33 to descend, the riveting head 3 rivets the plastic piece on the copper sheet, after the riveting is completed, the moving module 4 returns the jig 1 to the feeding and discharging station, and the worker takes down the riveted copper sheet and plastic.

[0046] Obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A hot air rivet setting device, characterized by, The utility model relates to a riveting and heating device for riveting and heating a plurality of workpieces, comprising: a worktable provided with a heating station and a riveting station; a heating assembly arranged opposite to the heating station, the heating assembly comprising a plurality of heating elements arranged in an array, each of the plurality of heating elements being heated; a riveting assembly comprising a plurality of riveting heads arranged in an array, the plurality of riveting heads being arranged opposite to the riveting station, the projection of the plurality of riveting heads coinciding with the projection of the plurality of heating elements.

2. The hot air rivet setting device according to claim 1, wherein The heating element is arranged as a heating pipe with both ends open, one end of the heating pipe being connected to a hot gas source, and the other end being aligned with the heating station.

3. The hot air rivet setting device of claim 1, wherein Further comprising a transfer module and a jig connected to the worktable, the transfer module driving the jig to the riveting station and the heating station.

4. The hot air rivet setting device of claim 3, wherein The riveting assembly further comprises a movable plate and a first driver, the first driver driving the movable plate to move close to or away from the riveting station, the plurality of riveting heads being connected to the movable plate.

5. The hot air rivet setting device of claim 4, wherein The riveting assembly further comprises a first mounting plate movably connected to the movable plate, the first mounting plate being located on the side of the movable plate close to the jig, the plurality of riveting heads being connected to the first mounting plate, and a spring being arranged between the first mounting plate and the movable plate.

6. The hot air rivet setting device of claim 5, wherein The heating assembly further comprises a second mounting plate and a second driver, the second driver driving the second mounting plate to move close to or away from the heating station, the plurality of heating elements being connected to the second mounting plate.

7. The hot air rivet setting device of claim 6, wherein The second mounting plate is provided with a positioning rod extending in the direction of movement of the second mounting plate, and the jig is provided with a positioning hole opposite to the positioning rod, the diameter of the positioning hole being greater than the diameter of the positioning rod.

8. The hot air rivet setting device of claim 7, wherein The first mounting plate and the second mounting plate move in the same direction.

9. The hot air rivet setting device of claim 1, wherein Further comprising a temperature controller electrically connected to the plurality of heating elements.

10. The hot air rivet setting device of claim 9, wherein Further comprising a temperature display electrically connected to the temperature controller.

Images