TWM250741U - Turntable type welding furnace - Google Patents

Description

M250741 4. Creation Description (1) [Technical Field to which the New Type belongs] This creation relates to the improvement of the structure of the welding furnace applied to the welding of electronic components. The purpose is to provide a welding furnace that effectively improves work efficiency and saves space. [Previous technology] As shown in the first figure, it is a structural diagram of a commonly known tunnel welding furnace. The welding furnace is mainly transported by a conveyor belt 10 to transport carbon disks 10 in a straight line and cooperates with the conveyor. There is a heating chamber 20 for the conveyor belt 10 to pass at the conveying stroke of the belt 10, and the electronic components to be soldered are fixed on the carbon disk 30 after being soldered, which contains the electronic components. And the carbon disk 30 of the solder paste is transported through the conveyor belt 10 and passed through the heating chamber 20 to facilitate the high-temperature effect of the heating chamber 20 to complete the surface mount rectifier Surface Mount Diode (SMD), various wafers and other Electronic component soldering operations. Since electronic components and solder paste must be subjected to the high temperature of the soldering furnace before they can be soldered, a heating chamber with sufficient heating stroke 20 must be used to heat the electronic components and solder paste to the required operating temperature. The electronic components of compartment 20 must be properly cooled before their welding structure can be fixed. Therefore, at a certain transport speed, the total length of its conveyor belt 10 must be sufficient for the electronic components to stay through the heating compartment 20 Time, and the cooling time that the electronic components must remain on the conveyor belt 10 after passing through the heating chamber 20. However, in the processing environment with limited space, the equipment of long-distance heating chamber 20 and conveyor belt 10 will take up a lot of space, which is not conducive to

M250741 IV. Creation instructions (2) Spatial planning of the processing environment, and if the heating compartment 20 electronic components heating room is extended by slowing down the transport speed, the overall welding operation capacity will be reduced, and it will stay at The number of carbon disks on the conveyor belt 10 has also increased, which will cause excessive costs. [New content] This creation "Turntable Welding Furnace" is mainly provided on the machine with a turntable for placing the processed object, and at least one heating cover is provided on the path through which the processed object rotates with the turntable. It constitutes a welding furnace structure that obtains a sufficient working stroke through the circular path of the turntable, so that the workpiece can be surely completed the heating and cooling steps.运作 During the operation, the workpiece is cooled by the rotation of the turntable to pass through the heating hood, and the cooling effect is achieved when the workpiece is not heated after passing through the heating hood. Therefore, a sufficient working stroke can be obtained from the circular path of the turntable. Complete the heating and cooling steps, which can save the overall equipment configuration space, and significantly reduce the number of carbon disk configuration, compared with the conventional tunnel welding furnace, and effectively increase the overall welding production capacity. [Implementation] In order to make your reviewing committee understand the structural composition of this creation and the overall operation mode, the drawings are explained as follows: The "turntable welding furnace" of this creation, the basic structural composition of the overall welding furnace is shown in the second figure As shown in the third figure, a machine 40 is the main body of the mechanical structure for installing various related components, and a turntable 50 for the processed object is provided on the upper shaft of the machine 40, and its turntable 5 0 is driven by the driving unit 51 shown in the eighth figure, and is rotated in a stepwise manner, as shown in the eighth figure and the first

Page 6 M250741 IV. Creation Instructions (3) As shown in the figure, the drive assembly 5 1 is provided below the turntable 50 with a drive disc 5 2 coaxial with the turntable 50 but with a smaller diameter. Below the 5 2 there is a first slider 5 1 1 arranged along a tangent line to the rotary drive plate 5 2, and a second slider 5 1 1 is arranged on the first slider 5 1 1 and is arranged radially along the drive plate 52. Sliding handle 51 2, a claw body 5 1 3 is sleeved on the second sliding rail 5 1 2, and there are respectively provided for pushing the second sliding handle 5 1 2 to reciprocate along the tangential direction of the driving disk 5 2 and pushing Pneumatic cylinder 9 0 of claw body 5 1 3 which reciprocates radially along drive disc 5 2, its drive disc

The bottom surface of 5 2 is provided with short posts 5 1 4 arranged according to the distance between the workpieces. The short posts 5 1 4 are fastened by the claw body 5 1 3 and then pushed toward the rotation direction of the driving disc 5 2 as shown in the ninth figure and As shown in the tenth figure, the effect of making the turntable 50 to rotate and feed in a stepwise manner is achieved. Please refer to the third and fourth figures at the same time. The integrated welding furnace is provided with at least one heating cover 60 at the path through which the workpiece passes along with the rotation of the turntable 50 to heat the workpiece. As shown in the fifth figure, the heating cover 6 0 is provided with an upper heating plate 6 1 and a lower heating plate 6 which can form a radiant heat pattern on the path through which the processed object rotates with the turntable 50. 2, each processed object passes through the upper and lower heating plates

6 1 、 6 2 heating, and the bottom of its turntable 50 is equipped with a pneumatic cylinder 90, which is pushed by the pneumatic cylinder 90 close to the heating plate 6 under the heating cover 60 (as shown in the fifth figure and the first (Shown in Figure 6), the radiant heat of the upper heating plate and the conductive heat formed by contacting the lower heating plate are used to meet the heating requirements of the processed object, and the heating plate 61 is further provided with a ventilation duct 6 above the heating cover 60 3, and a number of communication with the ventilation duct 6 3

Page 7 M250741 Fourth, the air hole 6 4 of the creation description (4), and nitrogen can be introduced while the workpiece is being heated and welded to reduce the phenomenon of oxidation. In addition, the outer turntable 50 is covered with an outer ring cover 70 as shown in the third and fourth figures, and the outer ring cover 70 is formed by a side cover 71 covering the circumference of the turntable 50, and Cover 7 on top of turntable 5 0

4 for the purpose of protecting and protecting the work area, and the top cover 7 4 and the side cover 7 1 are connected by a pneumatic cylinder 90, so that the top cover 7 4 can be opened to facilitate the internal cleaning of the welding furnace; In addition, the outer ring cover 7 0 is provided with an open section 7 2 recessed toward the inside of the machine 40 at a path through which the workpiece passes along with the rotation of the turntable 50, and on both sides of the open section 7 2 A passage 7 3 is provided for the workpiece to pass through, and the space for the workpiece to enter and exit the welding furnace is acted by the open section 7 2. At the passage 7 3 on both sides of the open section 7 2, a pressure receiving cylinder 9 is provided. The 0-driven gate plate 7 5 is used to achieve the purpose of opening the channel 7 3 according to the passage of the workpiece. Furthermore, as shown in the second and seventh figures, the circumference of the turntable 50 is radially provided with a plurality of groups of brackets 80, and each group of brackets 80 is provided with a pair of extended arm rods 8 1 To support the workpiece by the arm 81, in the embodiment shown in the seventh figure, the workpiece of the electronic component is also fixed on the carriage 80 through the carbon disk 30, so the bracket 8 The 0-arm 8 1 is provided with a plurality of positioning holes 8 2, and is equipped with a plug 8 3 for holding the carbon disk.

30 or the workpiece is fixed, and it is more convenient and applicable. Since this work is in operation, the workpiece is passed through the heating hood by the rotation of the turntable, and the cooling effect can be achieved when the object is not heated after passing through the heating hood. Therefore, sufficient work can be obtained by the circular path of the turntable.

Page 8 M250741 IV. Creation instructions (5) process, which allows the processed objects to actually complete the heating and cooling steps, which can save the overall equipment configuration space and greatly reduce the number of carbon disks compared with the conventional tunnel welding furnace. , Effectively increase the overall production capacity of welding operations. As mentioned above, this creation provides another preferred and feasible welding furnace structure for electronic component welding operations, and submits an application for a new patent according to law; however, the above implementation description and diagrams show the best embodiment of this creation. One is not to restrict the creation in this way. Instead, those who have similarities and similarities in the structure, installation, and characteristics of the creation should fall within the scope of the creation of the creation and the scope of patent application.

Page 9 ο Figures are meant to show. The working diagram is a dynamic view of the fixed side of the solid structure of the end of the disk rack rotation and dragging with the creation of a disk to create a carbon copy. The ninth, M250741 diagram is briefly explained. The first diagram is a schematic structural diagram of a conventional tunnel welding furnace. The second picture is a perspective view of the appearance and structure of the welding furnace. The third picture is the open state of the top cover of the outer ring cover in this creation. The fourth figure is a schematic diagram of the structure of the heating hood in this creation. The fifth and sixth figures are schematic diagrams of the top and bottom movements of the turntable in this creation. [Description of the symbols of the components] 1 0 Conveyor belt 2 0 Heating compartment 3 0 Carbon disk 4 0 Machine 5 0 Turntable 5 1 Drive unit 5 1 1 1st slide 5 1 2 2nd slide 5 1 3 claw body 5 1 4 short post 5 2 drive plate 6 0 heating cover 6 1 upper heating plate

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M250741 Brief description of the drawing 6 2 Lower heating plate 6 3 Ventilation duct 6 4 Air hole 7 0 Outer ring cover 7 1 Side cover 7 2 Open section 7 3 Channel 7 4 Top cover 7 5 Gate 8 0 Bracket 8 1 Arm 8 2 Locating hole 8 3 Pin 9 0 Pneumatic cylinder ❿

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Claims (1)

M250741 5. Scope of patent application 1. A "turntable welding furnace", which includes: a machine, which is the main body of the mechanical structure for the entire welding furnace to install the relevant components; a turntable, the shaft is located on the machine It is used for receiving the processed object and is driven to rotate by the driving component; at least one heating cover is arranged at a path through which the processed object rotates with the rotation of the turntable to heat the processed object; a The outer ring cover covers the periphery of the turntable and has a height space sufficient for the processed object and the heating cover to provide protection and safety for the working area. It is located at the path through which the processed object follows the rotation of the turntable. An open section recessed towards the inside of the machine is provided, and passages through which the workpiece is passed are provided on both sides of the open section, and the space for the workpiece to enter and exit the welding furnace is provided by the open section; It constitutes a welding furnace structure that obtains a sufficient working stroke through the circumferential path of the turntable, so that the workpiece can be surely completed the heating and cooling steps. 2. The "turntable welding furnace" as described in item 1 of the scope of the patent application, wherein the circumference of the turntable is provided with a plurality of sets of brackets in a radial manner, and each set of brackets is provided with a pair of extended booms To support the workpiece by the boom. 3. The "turntable welding furnace" as described in item 2 of the scope of the patent application, wherein the heating cover is provided with upper and lower heating plates at the path through which the processed object follows the rotation of the turntable, and each processed object is The heating is performed by heating the plate up and down. Page 12 M250741 V. Application for patent scope 4. The "turntable welding furnace" as described in item 3 of the scope of patent application, wherein the bottom of the turntable is provided with a pneumatic cylinder, and the rotary cylinder is pushed by the pneumatic cylinder to close to the heating mantle. 3, the lower heating plate. 5. The "turntable welding furnace" as described in item 1 of the scope of patent application, wherein the outer ring cover is composed of a side cover covering the circumference of the turntable and a top cover covering the top of the turntable. 6. The "turntable welding furnace" as described in item 5 of the scope of patent application, wherein the top cover and the side cover are connected by a pneumatic cylinder. 7. The "turntable welding furnace" as described in item 3 of the scope of patent application, wherein the upper and lower heating plates of the heating hood are of the type of electric heating plates. 8. The "turntable welding furnace" as described in item 3 of the scope of the patent application, wherein the heating plate above the heating hood is provided with a ventilation duct and a number of air holes that are connected to the ventilation duct. 9. The "turntable welding furnace" as described in item 2 of the scope of the patent application, wherein the arm of the bracket is provided with a plurality of positioning holes and a plug is provided to fix the workpiece. 10. The "turntable welding furnace" as described in item 1 of the scope of patent application, wherein the outer ring cover is provided with gates driven by pneumatic cylinders at the passages on both sides of the open section. 11. The "turntable welding furnace" as described in item 1 of the scope of the patent application, wherein the driving component for driving the turntable is provided with a first slide rail arranged below the turntable and arranged along the tangent line of the turntable, And a second slide rail arranged along the radial direction of the turntable is sleeved on the first slide rail, and a claw body is sleeved on the second slide rail; Page 13 M250741 V. Patent application scope The pneumatic cylinder that reciprocates in the tangential direction of the turntable and pushes the claw body to reciprocate in the radial direction of the turntable. The bottom surface of the turntable is provided with short posts arranged according to the distance between the workpieces. The claw body fastens the short post and pushes the turntable in the direction of rotation, so that the turntable rotates the feeder in a stepwise manner. Page 14