Automatic feeding and welding device for automatic resin welding machine

Abstract

The utility model discloses an automatic feeding and welding device for a resin automatic welding machine, which comprises a base plate, a stock bin, an automatic feeding mechanism, a feeding driving motor, a hot air gun and a pneumatic cutter, a Z-direction sliding block and a Z-direction lead screw nut are arranged on the back of the base plate, the stock bin is arranged on the upper portion of the base plate close to the top corner of the outer side, and a Z-direction sliding block is arranged on the upper portion of the base plate. An automatic feeding mechanism is installed in the middle of the pneumatic cutter, the feeding driving motor is fixed to the automatic feeding mechanism, a material guiding pipe is further installed on the automatic feeding mechanism, the pneumatic cutter is located on the rear side of the material guiding pipe, and a cutter edge of the pneumatic cutter is tightly attached to a pipe opening of the material guiding pipe. The hot air gun is located on the front side of a pipe opening of the material guide pipe, the pointing position of the gun opening is located below the knife edge position of the pneumatic cutter, and a welding position temperature sensor is further installed on the pipe body above an outlet of the material guide pipe. By means of the mode, the automatic feeding welding action and the automatic cutting action can be achieved, the requirement for automatic production is met, and the welding quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to resin welding equipment field especially a kind of automatic feeding welding device for resin automatic welding machine. BACKGROUND

[0002] Resin welding machine is a kind of device that resin electrode or welding piece is heated and fused by hot air and then welded, and currently plastic hot air welding machine is generally welded by field personnel holding welding machine when using, and this working mode is limited by the quality of operator on the one hand, and welding quality is not uniform and stable, especially when welding some larger products, defects generated in the process will obviously increase, on the other hand, with the improvement of the overall efficiency of production line, individual welding cannot match the production speed of entire production line, so in order to improve the overall production efficiency and the stability of product welding quality, a special automatic resin welding equipment is needed to be designed.For the automatic resin welding equipment, the key is how to realize automatic feeding and welding action, so the existing welding device needs to be transformed to automatically complete continuous welding action as needed. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a kind of automatic feeding welding device, and the feeding and welding action of resin electrode can be automatically completed.

[0004] To solve the above technical problems, one technical scheme of the utility model is provided: provide a kind of automatic feeding welding device for resin automatic welding machine, the automatic feeding welding device includes base plate, bunker, automatic feeding mechanism, feeding drive motor, hot air gun and pneumatic cutter, the base plate is rectangular as a whole, the back of the base plate is equipped with the Z direction slider and Z direction screw nut capable of matching the Z axis drive mechanism of the resin automatic welding machine, the bunker is installed on the upper part of the base plate and is close to the outside top corner position, the automatic feeding mechanism is installed in the middle position of the base plate, the feeding drive motor is fixed on the automatic feeding mechanism, the automatic feeding mechanism is also provided with guide tube, and the electrode is guided into the automatic feeding mechanism by guide tube after being led out from the bunker, the electrode is conveyed to the welding position downward by the automatic feeding mechanism driven by the material drive motor 8, the hot air gun and pneumatic cutter are respectively arranged on the both sides of the outlet of the guide tube, wherein the pneumatic cutter is located at the rear side of the guide tube and the cutting edge is tightly attached to the pipe opening of the guide tube, the hot air gun is located at the front side of the guide tube opening and the gun opening points to the position below the cutting edge position of the pneumatic cutter, the sensor support is also installed on the pipe body above the guide tube outlet, and the welding position temperature sensor is installed on the sensor support.

[0005] In a preferred embodiment of the utility model, the substrate is also provided with an electrode rod guide wheel, which is arranged between the inlet of the material guide pipe and the material bin, and the extension line of the material guide pipe is tangent to the wheel surface of the electrode rod guide wheel.

[0006] In a preferred embodiment of the utility model, the automatic feeding mechanism comprises a feeding driving motor, a wire feeding base plate, a wire feeding outer plate, a horizontal fine adjustment structure and a wire feeding clamping structure; the horizontal fine adjustment structure is installed between the substrate and the wire feeding base plate, the wire feeding outer plate is installed on the outer side of the wire feeding base plate, a motor bracket is installed on the wire feeding outer plate, and the feeding driving motor is fixed on the motor bracket; the wire feeding outer plate corners are connected with the wire feeding base plate through spring bolts, and the spring on the shank of each spring bolt is located between the wire feeding outer plate and the wire feeding base plate; the wire feeding clamping structure comprises a driving feeding wheel, a driven feeding wheel, a pressure adjusting plate, a pressure adjusting seat and a material guide pipe chuck, there are two material guide pipe chucks, which are located on the upper part and the lower part of the wire feeding outer plate respectively, the material guide pipe is divided into two sections, which are an upper pipe section and a lower pipe section, the tail end of the upper pipe section and the top end of the lower pipe section are clamped by the corresponding material guide pipe chucks respectively, the driving feeding wheel and the driven feeding wheel are installed on the plate surface of the wire feeding outer plate on both sides of the feeding path between the upper pipe section and the lower pipe section respectively, the feeding driving motor is fixed on the wire feeding outer plate, the power output end of the feeding driving motor is connected with the wheel shaft of the driving feeding wheel, the wheel shaft of the driven feeding wheel is fixed on the pressure adjusting plate, a pair of parallel directional long holes are symmetrically arranged on the upper and lower sides of the pressure adjusting plate, a limiting bolt fixed on the plate surface of the wire feeding outer plate is installed in each directional long hole, the pressure adjusting seat is fixed on the wire feeding outer plate and located on the side of the pressure adjusting plate away from the driving feeding wheel, a plurality of through internal thread holes are arranged on the pressure adjusting seat, and a pressure adjusting screw rod with the top end abutting on the side of the pressure adjusting plate is installed in each internal thread hole.

[0007] In a preferred embodiment of the utility model, the outlet end of the material guide pipe is further provided with a limiting and clamping device, the limiting and clamping device comprises a limiting chuck, a positioning baffle and a horizontal limiting long hole formed on the base plate, the limiting chuck is installed on the horizontal limiting long hole through bolts at the bottom, a clamping structure perpendicular to the horizontal limiting long hole is arranged on the limiting chuck, the material guide pipe vertically penetrates the clamping structure, and the positioning baffle is installed on the clamping structure behind the penetration position of the material guide pipe.

[0008] In a preferred embodiment of the utility model, a gap scraper is further installed at the bottom of the base plate, the gap scraper is installed behind the pneumatic cutter, and the plane defined by the nozzle of the hot air gun, the discharge port of the material guide pipe and the cutter opening of the pneumatic cutter penetrates the scraping surface at the bottom of the gap scraper.

[0009] The utility model has the advantages that the utility model is improved on the basis of the existing resin welding device, the whole welding device can automatically feed, weld and cut according to needs, in combination with the corresponding three-dimensional driving mechanism, the welding operation can be automatically completed under the control of a computer, the welding process is uniform and stable, the artificial working hours of the welding process are reduced, and the overall welding quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the front structure schematic diagram of a preferred embodiment of the utility model,

[0011] Figure 2 It is the back structure schematic diagram of a preferred embodiment of the utility model,

[0012] Figure 3 It is Figure 1 The structure schematic diagram after removing the feeding driving motor and motor support in,

[0013] Figure 4 It is Figure 3 The partial position structure amplification schematic diagram in,

[0014] Figure 5 It is Figure 3 The side partial structure schematic diagram in,

[0015] Figure 6 It is the structure schematic diagram of the limiting and clamping device,

[0016] The marks of various components in the drawings are as follows:

[0017] 1. Base plate, 2. Silo, 3. Hot air gun, 4. Pneumatic cutter, 5. Automatic feeding mechanism, 6. Welding rod guide wheel, 7. Material guide pipe, 8. Feeding driving motor, 9. Limiting and clamping mechanism, 10. Gap scraper, 11. Guard plate, 12. Z direction

[0018] Lead screw nut, 13. Z direction slider;

[0019] 501. Horizontal bottom rail, 502. Wire feeding bottom plate, 503. Transverse slider, 504. Wire feeding outer plate, 505. Horizontal fine adjustment seat, 506. Pressure adjusting plate, 507. Pressure adjusting seat, 508. Active feeding wheel, 509. Passive feeding wheel, 510. Wire guide

[0020] Pipe clamp head, 511. Spring bolt, 512. Fine adjustment screw rod, 513. Pressure adjusting screw rod;

[0021] 701. Upper pipe section, 702. Lower pipe section, 703. Sensor support, 704. Welding position temperature sensor,

[0022] 901. Horizontal limiting long hole, 902. Limiting clamp head, 903. Positioning stopper. DETAILED DESCRIPTION

[0023] The advantages and features of the present application will be more easily understood by the skilled in the art through the following detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings, so that the scope of protection of the present application can be more clearly defined.

[0024] Please refer to Figures 1 to 6 The embodiments of the present application include:

[0025] The utility model provides an automatic feeding welding device for resin automatic welding machine, the automatic feeding welding device includes base plate 1, bunker 2, automatic feeding mechanism 5, feeding drive motor 8, hot -blast gun 3 and pneumatic cutter 4, the base plate 1 is rectangular as a whole, the back of base plate 1 is equipped with the Z -direction slider 13 and Z -direction lead screw nut 12 that can be matched with the Z -axis drive mechanism of resin automatic welding machine, the bunker 2 is installed on the upper part of base plate 1 near the outside top corner position, the automatic feeding mechanism 5 is installed in the middle position of base plate 1, the feeding drive motor 8 is fixed on automatic feeding mechanism 5, the automatic feeding mechanism 5 is also installed with the material guide pipe 7, and the electrode is guided into automatic feeding mechanism 5 after being led out from bunker 2 through material guide pipe 7, and the electrode is conveyed to the welding position downward by the automatic feeding mechanism 5 driven by the material drive motor 8, hot -blast gun 3 and pneumatic cutter 4 are arranged on both sides of the outlet of material guide pipe 7 respectively, wherein the pneumatic cutter 4 is located at the rear side of material guide pipe 7 and the cutting edge is close to the pipe opening of material guide pipe 7, the hot -blast gun 3 is located at the front side of the pipe opening of material guide pipe 7 and the gun mouth points to the position below the cutting edge position of pneumatic cutter 4, the sensor support 703 is also installed on the pipe above the outlet of material guide pipe 7, and the welding position temperature sensor 704 is installed on the sensor support 703. The automatic feeding welding device can not only automatically convey the electrode during welding according to the need, but also can monitor the temperature of the welding position in real time, prevent the viscosity coefficient of the electrode from being too low after overheating and melting, flow out of the weld seam or be too cold to cause poor bonding effect.

[0026] The electrode guide wheel 6 is also installed on the base plate 1, the electrode guide wheel 6 is arranged between the inlet of material guide pipe 7 and bunker 2, and the extension line of material guide pipe 7 is tangent to the wheel surface of electrode guide wheel 6. In this way, the electrode can be directly sent into material guide pipe 7 downward after adjusting the direction through electrode guide wheel 6 after being led out from bunker 2. The friction between the electrode and the pipe opening when the electrode is directly taken out from bunker 2 and enters material guide pipe 7 can be avoided.

[0027] The automatic feeding mechanism 5 comprises a wire feeding bottom plate 502, a wire feeding outer plate 504, a horizontal fine adjustment structure and a wire feeding clamping structure. The horizontal fine adjustment structure is installed between the base plate 1 and the wire feeding bottom plate 502, comprising a horizontal bottom rail 501, a horizontal fine adjustment seat 505 and a fine adjustment screw rod. The horizontal bottom rail 501 is fixed on the base plate 1. A transverse sliding block 503 matching the horizontal bottom rail 501 is installed at the bottom of the wire feeding bottom plate 502. The horizontal fine adjustment seat 505 is fixed on the plate surface of the base plate 1 outside the end head of one end of the horizontal bottom rail 501. Three through screw holes are arranged on the horizontal fine adjustment seat 505, the center lines of each screw hole are coplanar with the wire feeding bottom plate 502, a fine adjustment screw rod 512 is installed in each screw hole, and the end head of the fine adjustment screw rod 512 is rotatably connected with the wire feeding bottom plate 502. The wire feeding outer plate 504 is installed outside the wire feeding bottom plate 502. A motor bracket is installed on the wire feeding outer plate 504. The feeding drive motor 8 is fixed on the motor bracket. The wire feeding outer plate 504 is connected with the wire feeding bottom plate 502 through spring bolts 511 at four corners. The spring on the shank of each spring bolt 511 is located between the wire feeding outer plate 504 and the wire feeding bottom plate 502. The wire feeding clamping structure comprises a driving feeding wheel 508, a driven feeding wheel 509, a pressure adjusting plate 506, a pressure adjusting seat 507 and a guide tube clamp 510. There are two guide tube clamps 510, which are respectively located at the upper and lower parts of the wire feeding outer plate 504. The guide tube 7 is divided into two sections, i.e. an upper tube section 701 and a lower tube section 702. The tail end of the upper tube section 701 and the top end of the lower tube section 702 are clamped by the corresponding guide tube clamps 510. The driving feeding wheel 508 and the driven feeding wheel 507 are respectively installed on the plate surface of the wire feeding outer plate 504 on both sides of the feeding path between the upper tube section 701 and the lower tube section 702. The power output end of the feeding drive motor 508 is connected with the axle of the driving feeding wheel 508. The axle of the driven feeding wheel 509 is fixed on the pressure adjusting plate 506. A pair of parallel directional long holes are symmetrically arranged on the upper and lower sides of the pressure adjusting plate 506. A limiting bolt fixed on the plate surface of the wire feeding outer plate 504 is installed in each directional long hole. The pressure adjusting seat 507 is fixed on the wire feeding outer plate 504 and located on the side away from the driving feeding wheel 508. Three through internal screw holes are arranged on the pressure adjusting seat 507. A pressure adjusting screw rod 513 with the top end abutting on the side of the pressure adjusting plate is installed in each internal screw hole. In this way, the automatic feeder can be adjusted by the horizontal fine adjustment structure and the spring bolts at four corners during actual production, so that the outlet position of the guide tube 7 matches the air inlet of the hot air blower 3 and the blade opening position of the pneumatic cutter 4, and the requirement of accurate positioning of the welding position is met.

[0028] The outlet end of the material guide pipe 7 is also provided with a limiting and clamping device, the following clamping device comprises a limiting chuck 902, a positioning baffle 903 and a horizontal limiting long hole 901 formed on the base plate 1, the bottom of the limiting chuck 902 is bolted on the horizontal limiting long hole 901, the limiting chuck 902 is provided with a clamping structure perpendicular to the horizontal limiting long hole 901, the material guide pipe 7 vertically penetrates the clamping structure, and the positioning baffle 903 is arranged on the clamping structure behind the position where the material guide pipe 7 penetrates. In this way, after the position of the material guide pipe 7 is adjusted, the position of the limiting chuck 902 can be adjusted along the horizontal limiting long hole 901 according to the adjusted position of the automatic feeder 5, and then the position of the positioning baffle 903 is adjusted, so that the positioning baffle 903 tightly abuts against the rear side of the material guide pipe 7, so that the material guide pipe 7 is consistent up and down and the pipe opening is stable and does not vibrate, and the accuracy during welding is improved.

[0029] The base plate 1 is also provided with a gap scraper 10, the gap scraper 10 is arranged behind the pneumatic cutter 4, and the gun opening of the hot air gun 3 and the outlet of the material guide pipe 7 and the cutter opening of the pneumatic cutter 4 determine a plane penetrating the scraping surface of the bottom of the gap scraper 10. In this way, the raised part of the weld formed after the front electrode welding can be directly scraped by the scraper on the gap scraper 10, and the trouble of later processing is reduced.

[0030] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. An automatic feeding and welding device for an automatic resin welding machine, characterized in that, The automatic feeding welding device includes a substrate, a hopper, an automatic feeding mechanism, a feeding drive motor, a hot air gun, and a pneumatic cutter. The substrate is generally rectangular, and its back is equipped with a Z-axis slider and a Z-axis lead screw nut that match the Z-axis drive mechanism of the automatic resin welding machine. The hopper is installed on the upper part of the substrate near the outer apex corner, and the automatic feeding mechanism is installed in the middle of the substrate. The feeding drive motor is fixed to the automatic feeding mechanism, which is also equipped with a guide tube. The welding rod is led out from the hopper and guided through the guide tube. The material tube is guided into the automatic feeding mechanism, which is driven by the material drive motor to convey the welding rod downward to the welding position. The hot air gun and the pneumatic cutter are respectively arranged on both sides of the outlet of the material tube. The pneumatic cutter is located on the rear side of the material tube and the blade is in close contact with the opening of the material tube. The hot air gun is located on the front side of the opening of the material tube and the nozzle is positioned below the blade of the pneumatic cutter. A sensor bracket is also installed on the tube body above the outlet of the material tube, and a welding position temperature sensor is installed on the sensor bracket.

2. The automatic feeding and welding device of the resin automatic welding machine according to claim 1, characterized in that, A welding rod guide wheel is also installed on the substrate. The welding rod guide wheel is arranged between the inlet of the feed tube and the hopper, and the extension line of the feed tube is tangent to the wheel surface of the welding rod guide wheel.

3. The automatic feeding and welding device of the resin automatic welding machine according to claim 1, characterized in that, The automatic feeding mechanism includes a feeding drive motor, a wire feeding base plate, a wire feeding outer plate, a lateral fine-tuning structure, and a wire feeding clamping structure. The lateral fine-tuning structure is installed between the substrate and the wire feeding base plate. The wire feeding outer plate is installed on the outside of the wire feeding base plate. A motor frame is installed on the wire feeding outer plate. The feeding drive motor is fixed on the motor frame. The four corners of the wire feeding outer plate are connected to the wire feeding bottom plate by spring bolts, and the spring on the bolt body of each spring bolt is located between the wire feeding outer plate and the wire feeding bottom plate; The wire feeding clamping structure includes an active feeding wheel, a passive feeding wheel, a pressure adjusting plate, a pressure adjusting base, and guide tube clamps. There are two guide tube clamps, located at the upper and lower parts of the wire feeding outer plate, respectively. The guide tube is divided into two sections: an upper section and a lower section. The tail end of the upper section and the top end of the lower section are respectively clamped by corresponding guide tube clamps. The active feeding wheel and the passive feeding wheel are respectively mounted on the surface of the wire feeding outer plate on both sides of the feeding path between the upper and lower sections. The feeding drive motor is fixed to the wire feeding outer plate. The power output end of the feeding drive motor is connected to the axle of the active feeding wheel. The axle of the passive feeding wheel is fixed to the pressure regulating plate. A pair of parallel directional elongated holes are symmetrically arranged on the upper and lower sides of the pressure regulating plate. A limiting bolt fixed to the surface of the wire feeding outer plate is installed in each directional elongated hole. The pressure regulating seat is fixed to the wire feeding outer plate and is located on the side of the pressure regulating plate away from the active feeding wheel. The pressure regulating seat is provided with multiple through internal threaded holes. A pressure regulating screw with its top end pressing against the side of the pressure regulating plate is installed in each internal threaded hole.

4. The automatic feeding and welding device of the resin automatic welding machine according to claim 3, characterized in that, The lateral fine-tuning structure includes a horizontal bottom rail, a horizontal fine-tuning seat, and a fine-tuning screw. The horizontal bottom rail is fixed on the base plate. A lateral slider matching the horizontal bottom rail is installed at the bottom of the wire feeding base plate. The horizontal fine-tuning seat is fixed on the base plate surface outside one end of the horizontal bottom rail. The horizontal fine-tuning seat has multiple through threaded holes. The center line of each threaded hole is coplanar with the wire feeding base plate. A fine-tuning screw is installed in each threaded hole. The end of the fine-tuning screw is rotatably connected to the wire feeding base plate.

5. The automatic feeding and welding device of the resin automatic welding machine according to claim 1, characterized in that, The outlet end of the guide tube is also equipped with a limiting clamping device. The limiting clamping device includes a limiting chuck, a positioning stop, and a horizontal limiting elongated hole opened on the substrate. The bottom of the limiting chuck is bolted to the horizontal limiting elongated hole. The limiting chuck is provided with a clamping structure perpendicular to the horizontal limiting elongated hole. The guide tube passes vertically downward through the clamping structure. The positioning stop is installed on the clamping structure behind the position where the guide tube passes through.

6. The automatic feeding and welding device of the resin automatic welding machine according to claim 1, characterized in that, A screed is also installed at the bottom of the substrate. The screed is installed behind the pneumatic cutter. The plane defined by the nozzle of the hot air gun, the outlet of the guide tube, and the blade of the pneumatic cutter passes through the scraping surface at the bottom of the screed.

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