PCB hot melting fixing device

Abstract

The utility model discloses a PCB hot melting fixing device, one side wall of a cabinet is provided with a material port, a positioning mechanism comprises a positioning table and a supporting structure, the positioning table is provided with a through hole, the side wall of the through hole is provided with a profiling groove, the supporting structure comprises a plurality of guide rods, a guide sleeve and an elastic member, the plurality of guide rods are arranged on the bottom wall of the cabinet, and the guide sleeve is arranged on the bottom wall of the cabinet. The multiple guide sleeves are arranged on the positioning table, the guide sleeves are arranged on the guide rods in a sleeving mode, the elastic piece abuts against the position between the positioning table and the bottom wall of the machine box, the heating mechanism comprises a positioning block and a heating assembly, the heating assembly is located below the through hole, and the pressurizing mechanism is arranged on the machine box and downwards presses a product located on the positioning table till the bottom end of the product abuts against the heating assembly. According to the utility model, the PCB is pressed down through the pressurizing mechanism, so that the PCB and the positioning table move downwards synchronously, the heating assembly is utilized to perform hot melting and tiling on the connecting rod, so that the PCB is fixed in a hot melting manner, the elastic piece can realize slow downward movement in the pressurizing and hot melting process, upward movement and resetting of the positioning table are facilitated, and feeding and discharging are facilitated through a material port.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board assembly device technical field especially relates to a kind of PCB board hot melt fixing device. BACKGROUND

[0002] PCB circuit board is a kind of common basic component in electronic product, and the action of corresponding component can be controlled by it, for example, in dust collector, PCB board can be set at dust collector handle and connected with switch. Figure 6 As shown in the drawings, in the structure of some PCB boards, it is wrapped in the form of assembled component elements, that is, the wrapped elements are wrapped by the connection and fixation of upper plate 501 and lower plate 502, which can improve the reliability of the whole PCB board. In the PCB board of this structure, the lower plate 502 needs to be sleeved on the connecting rod 5012 of the upper plate 501 through the second hole 5022 thereof, and the connecting rod 5012 is heated and fused to be flat to realize the fixed connection of the upper plate 501 and the lower plate 502.

[0003] In the prior art, such as a kind of PCB circuit board pressing tool with application number 202421016955.1, it is disclosed that the PCB upper plate, connecting pin and PCB lower plate are simultaneously pressed and fixed by the linear pressing mechanism and the several pressing columns at the bottom of the upper die body, which can better control the pressing force and make the pressing uniformity better and the pressing more compact. This tool is not suitable for the connection and fixation of the above-mentioned PCB board, and it does not have the function of heating and fusing the connecting rod and laying flat. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of PCB board hot melt fixing device, and the connecting rod is heated and fused and laid flat by heating assembly after the PCB board is moved down synchronously with positioning table by pressing mechanism pressing PCB board to realize the hot melt fixation of PCB board, slowly moves down in the process of pressing and hot melting by elastic member, which is beneficial to the laying action after hot melting of connecting rod, and is also helpful to realize the upward reset of positioning table, so as to facilitate the feeding and discharging through material port.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that a kind of PCB board hot melt fixing device includes:

[0006] chassis, one side side wall of which is provided with material port,

[0007] The positioning mechanism comprises a positioning table and a supporting structure, the positioning table is provided with a through hole vertically penetrating through the body thereof, and a profiling groove is arranged on the side wall of the through hole; the supporting structure comprises guide rods, guide sleeves and elastic members, a plurality of guide rods are arranged on the bottom wall of the cabinet, a plurality of guide sleeves are arranged on the positioning table, the guide sleeves are sleeved on the guide rods, and the elastic members abut between the positioning table and the bottom wall of the cabinet,

[0008] The heating mechanism comprises positioning blocks and a plurality of heating components arranged on the positioning blocks, and the heating components are located below the through hole,

[0009] The pressing mechanism is arranged on the cabinet and presses the product on the positioning table to abut against the heating components at the bottom end of the product.

[0010] As a further optimization, a plurality of positioning blind holes in a vertical structure are arranged on the positioning block, and side holes communicating with the positioning blind holes are arranged on the side wall; the heating component is embedded in the positioning blind hole, and the lead wire thereof extends out of the side hole.

[0011] As a further optimization, the heating component comprises a heating rod and a heat insulation sleeve, the heat insulation sleeve is provided with a positioning hole, and a slit communicating with the positioning hole is arranged on the side wall; the heating rod is embedded in the positioning hole, and the lead wire extends out of the slit; and the heat insulation sleeve is embedded in the positioning blind hole, and the lower end thereof abuts against the bottom wall of the positioning blind hole.

[0012] As a further optimization, the upper end surface of the heat insulation sleeve is not lower than the upper end surface of the positioning block.

[0013] As a further optimization, the upper end surface of the heating rod is provided with a profiling groove, which can abut against the connecting rod in a larger area to realize rapid and efficient hot melting.

[0014] As a further optimization, a limiting column is arranged on the bottom wall of the cabinet below the positioning table.

[0015] As a further optimization, at least one side of the positioning table close to the material port is provided with a baffle, which can avoid the heating component from being touched by mistake when the PCB is fed or discharged.

[0016] As a further optimization, the pressing mechanism comprises a lifting cylinder and a pressing block, the lifting cylinder is arranged on the cabinet, and the pressing block is arranged on the output end of the lifting cylinder.

[0017] As a further optimization, at least one side wall of the cabinet beside the heating mechanism is provided with a ventilation opening, which helps to discharge the air heated by the heating component around it and avoid high temperature in the cabinet.

[0018] As further optimization, the ventilation opening is provided with an exhaust fan, which can accelerate air flow and improve heat dissipation effect.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. Through the positioning table to the PCB board is shaped positioning, and through the pressing mechanism down pressure PCB board makes that PCB board with positioning table synchronous down after using heating assembly to connect the rod hot melt flatly hot melt fixed, can conveniently complete the assembly of PCB board;

[0021] 2. Elastic piece can realize the down of positioning table and reset, on one hand realizes the slow down in the process of pressing hot melt, cooperates the hot melt of connecting rod is favorable to the flat action after hot melt, on the other hand, its reset action helps to realize the up reset of positioning table, is convenient to go up and down through the material mouth. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structural diagram of the utility model.

[0023] Figure 2 It is the structural diagram of the positioning mechanism and heating mechanism of the utility model.

[0024] Figure 3 It is Figure 2 It is the enlarged view of A in the middle.

[0025] Figure 4 It is the structural diagram of the heating mechanism of the utility model.

[0026] Figure 5 It is the structural diagram of the heating assembly of the utility model.

[0027] Figure 6 It is the explosion view of the PCB board of the utility model. DETAILED DESCRIPTION

[0028] The following is the specific embodiment of the utility model and is combined with the drawings, and the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0029] As Figures 1 to 3As shown, a PCB hot melt fixing device, including a cabinet 10, a positioning mechanism 20, a heating mechanism 30 and a pressing mechanism 40, the side wall of one side of the cabinet 10 is provided with a material port 100, which can be used to conveniently place or take out the product (PCB board) on the positioning mechanism 20 in the cabinet 10, the positioning mechanism 20 includes a positioning table 21 and a support structure, the positioning table 21 is provided with a through hole 210 vertically penetrating the body, and the side wall of the through hole 210 is provided with a profiling groove 2101 which can be used to limit the position of the PCB board, the support structure includes a guide rod 222, a guide sleeve 221 and an elastic element 23, a plurality of guide rods 222 are arranged on the bottom wall of the cabinet 10, a plurality of guide sleeves 221 are arranged on the positioning table 21, the guide sleeve 221 is sleeved on the guide rod 222 so that the positioning table 21 can move up and down in a horizontal state, the elastic element 23 is preferably a spring, which is sleeved on the guide rod 222, and the upper end and the lower end are respectively abutted on the lower end of the positioning table 21 and the bottom wall of the cabinet 10, the heating mechanism 30 includes a positioning block 31 and a plurality of heating components 32 arranged on the positioning block 31, the heating components 32 are located below the through hole 210, and the pressing mechanism 40 is arranged on the cabinet 10 and presses the product on the positioning table 21 to the bottom end of the product after moving to abut against the heating components 32.

[0030] In combination Figure 6As shown, in the utility model, the product is PCB board, it specifically includes upper plate 501 and lower plate 502, upper plate 501 is equipped with capacitor resistance and other elements, positioning column 5011 and connecting rod 5012, lower plate 502 is equipped with first hole 5021 for positioning column 5011 to pass through and second hole 5022 for connecting rod 5012 to pass through, by the first hole 5021 of being set on positioning column 5011 makes lower plate 502 and upper plate 501 abut and encloses element between the two, and the lower end of connecting rod 5012 at least partially protrudes second hole 5022;The assembled PCB board is placed in the case 10 through the material port 100 and is placed on the positioning table 21, when placing, the PCB board is supported by the positioning table 21, a pair of positioning columns 5011 are respectively embedded in a pair of profiling grooves 2101 in the through hole 210 and accurately position the PCB board on the positioning table 21, and the lower end of multiple connecting rods 5012 extends into the through hole 201, start pressurizing mechanism 40, which is abutted on the upper end of PCB board by moving down, and press down the PCB board so that the guide sleeve 221 on the positioning table 21 moves down along the guide rod 222, so that the PCB board and the positioning table 21 move down synchronously until the lower end of connecting rod 5012 is abutted on heating assembly 32, heating assembly 32 is connected with external power supply, through the electric heating action makes the lower end of connecting rod 5012 melt and due to the flattening on the lower end surface of lower plate 502 under the pressing action, thereby stably connecting lower plate 502 and upper plate 501, completing the hot melt fixing of PCB board. When completing the hot melt fixing action, pressurizing mechanism 40 resets, the positioning table 21 is pushed up under the elastic recovery action of elastic member 23 and is close to the material port 100 position after moving down, the PCB board can be conveniently taken out of the case 10.

[0031] In the utility model, the assembled PCB board is profiled and positioned by positioning table 21, and is pressed down by pressurizing mechanism 40 so that the PCB board and the positioning table 21 move down synchronously, and then is hot melt fixed by heating assembly 32 using the hot melt flattening action of connecting rod 5012, the positioning table 21 can be moved down and reset by the action of elastic member 23 in the process, on the one hand, the slow movement in the pressurizing hot melt process is realized, which is beneficial to the flattening action after hot melt in cooperation with the hot melt of connecting rod 5012, on the other hand, the reset action is helpful to realize the upward movement of positioning table 21, and the PCB board can be conveniently fed through the material port 100.

[0032] As Figure 4As shown, the positioning block 31 is provided with a plurality of positioning blind holes 3101 in vertical structure, and the side wall is provided with side holes 3102 in communication with the positioning blind holes 3101. The heating assembly 32 is embedded in the positioning blind hole 3101, and the lead 32a thereof extends out of the side hole 3102 to be connected with the power supply, facilitating the fixed installation of the heating assembly 32 and the alignment arrangement of the connecting rod 5102. The positioning block 31 comprises a bottom block 311 and an upper block 312. The bottom block 311 and the upper block 312 are fixed by the bolts penetrating through both and extending into the bottom wall of the cabinet 10. The positioning blind holes 3101 and the side holes 3102 are formed on the upper block 312. The relative independent arrangement of the bottom block 311 and the upper block 312 can adjust the height of the entire positioning block 31 by replacing the bottom block 311 of different heights.

[0033] In combination Figure 5 As shown, the heating assembly 32 comprises a heating rod 321 and a heat insulation sleeve 322. The heat insulation sleeve 322 is provided with a positioning hole 3221, and the side wall is provided with a slit 3222 in communication with the positioning hole 3221. The heating rod 321 is embedded in the positioning hole 3221, and the lead 32a extends out of the slit 3222. The heat insulation sleeve 322 is embedded in the positioning blind hole 3101, and the lower end thereof abuts against the bottom wall of the positioning blind hole 3101. The arrangement of the heat insulation sleeve 322 can avoid the heat generated by the heating rod 321 from being transmitted to the positioning block 31.

[0034] Based on the above arrangement, when the heating mechanism 30 is assembled, the heating assembly 32 is assembled first, i.e. the heating rod 321 is embedded in the positioning hole 3221, and the lead 32a connected with the heating rod 321 is moved downward along the slit 3222 to the bottom end of the slit 3222, then the lead 32a is extended into the positioning blind hole 3101 and out of the side hole 3102, the heat insulation sleeve 322 is embedded in the positioning blind hole 3101, and the position and length of the lead 32a are adjusted so that it can be connected with the power supply.

[0035] Further, the upper end surface of the heat insulation sleeve 322 is not lower than the upper end surface of the positioning block 31, and preferably the upper end surfaces of the two are flush.

[0036] Preferably, the upper end surface of the heating rod 321 is provided with a profiling groove 3210, so that the lower end of the connecting rod 5012 can be embedded in the profiling groove 3210, and the connecting rod 5012 has a large contact area, which can improve the hot melting rate and ensure the hot melting effect.

[0037] In addition, the bottom wall of the cabinet 10 is provided with a limiting column 24 below the positioning table 21, which can limit the downward movement distance of the positioning table 21 and the PCB board.

[0038] The positioning table 21 is provided with a baffle 25 on at least one side close to the material port 100. The arrangement of the baffle 25 can avoid the heating assembly 32 from being touched by mistake when the material is fed or discharged, thereby improving the safety.

[0039] For example Figure 1 As shown, the pressurizing mechanism 40 includes a lifting cylinder 41 and a pressure block 42. The lifting cylinder 41 is mounted on the housing 10, and the pressure block 42 is mounted on the output end of the lifting cylinder 41. Preferably, the pressure block 42 has a certain extension in the horizontal plane, that is, it can have a large contact area with the upper end of the PCB board, which can achieve uniform downward pressure on the PCB board and ensure the accuracy of vertical movement of the PCB board and the positioning table 21.

[0040] Ventilation opening 101 is provided on at least one side wall of the chassis 10, located next to the heating mechanism 30, to exhaust the air heated by the heating component 32 around it, thus avoiding high temperatures inside the chassis 10; preferably, an exhaust fan (not shown) can also be provided on the ventilation opening 101 to further accelerate the exhaust and heat dissipation of hot air.

[0041] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A PCB hot melt fixing device, characterized by, The utility model relates to a product heating device, including: A cabinet is provided with a feeding port on one side wall, A positioning mechanism includes a positioning table and a support structure, the positioning table is provided with a through hole vertically penetrating through the body, and the side wall of the through hole is provided with a profiling groove, the support structure includes a guide rod, a guide sleeve and an elastic element, a plurality of guide rods are arranged on the bottom wall of the cabinet, a plurality of guide sleeves are arranged on the positioning table, the guide sleeve is sleeved on the guide rod, and the elastic element is abutted between the positioning table and the bottom wall of the cabinet, A heating mechanism includes a positioning block and a plurality of heating components arranged on the positioning block, and the heating components are located below the through hole, A pressing mechanism is arranged on the cabinet and presses the product on the positioning table to the bottom end of the product abutting against the heating component.

2. The PCB board hot melt fixture device of claim 1, wherein, The positioning block is provided with a plurality of vertical positioning blind holes, and the side wall is provided with a side hole communicating with the positioning blind hole, the heating component is embedded in the positioning blind hole, and the wire thereof extends out of the side hole.

3. The apparatus of claim 2, wherein the PCB board hot melt fixture is characterized by, The heating component includes a heating rod and a heat insulation sleeve, the heat insulation sleeve is provided with a positioning hole, and the side wall is provided with a slit communicating with the positioning hole, the heating rod is embedded in the positioning hole, and the wire extends out of the slit; the heat insulation sleeve is embedded in the positioning blind hole, and the lower end thereof abuts against the bottom wall of the positioning blind hole.

4. The apparatus of claim 3, wherein the PCB board hot melt fixture is characterized by, The upper end surface of the heat insulation sleeve is not lower than the upper end surface of the positioning block.

5. The apparatus of claim 3 or 4, wherein the PCB board hot melt fixing device is characterized by, The upper end surface of the heating rod is provided with a profiling groove.

6. The apparatus of claim 1, wherein the PCB board hot melt fixture is characterized by, The bottom wall of the cabinet is provided with a limiting column below the positioning table.

7. The apparatus of claim 1, wherein the PCB board hot melt fixture is characterized by, At least one side of the positioning table close to the feeding port is provided with a baffle.

8. The apparatus of claim 1, wherein the PCB board hot melt fixture is characterized by, The pressing mechanism includes a lifting cylinder and a pressing block, the lifting cylinder is arranged on the cabinet, and the pressing block is arranged on the output end of the lifting cylinder.

9. The apparatus of claim 1, wherein the PCB board hot melt fixture is characterized by, At least one side wall of the cabinet beside the heating mechanism is provided with a ventilation port.

10. The apparatus of claim 9, wherein the PCB board hot melt fixture is characterized by, The ventilation port is provided with an exhaust fan.

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