Special plastic sweat soldering equipment

Abstract

The utility model relates to the technical field of welding equipment, in particular to special plastic hot melting welding equipment. In order to solve the problems that the surface temperature distribution of a common heating plate is not uniform, the hot melting efficiency and quality are seriously influenced, the precision of an existing welding tool jig is low, and the reject ratio of welded products is high, the following technical scheme is provided: the welding tool jig comprises a case component which comprises two groups of side plates; a top plate, a bottom plate and two sets of machine shells are fixedly connected between the two sets of side plates, the top of the top plate is fixedly connected with a fixing block, and the fixing block and one set of side plates are jointly and fixedly connected with an upper panel; the sliding part is mounted between the two groups of side plates and is used for driving the two groups of pipe fittings to approach; and the two groups of mounting assemblies are arranged on the sliding component. The pipe fitting hot melting splicing device can ensure uniform temperature during hot melting, improves efficiency and quality, meanwhile, pipe fittings are accurately aligned, welding defects are reduced, the pipe fitting hot melting splicing process is optimized, and the pipe fitting hot melting splicing device has high practical and innovative value.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field especially relates to a kind of special plastic hot melt welding equipment. BACKGROUND

[0002] Plastic is a kind of macromolecular organic material with synthetic resin as main component, is formed by extrusion, injection molding, blow molding, calendering, laminating and various processes, and is widely used in life and industry and each field. Engineering plastics compared with general plastics, with more excellent mechanical properties. Engineering plastics is the plastic material that can long-term as structural material withstands mechanical stress, and uses in relatively wide temperature range and relatively harsh chemical physical environment. Compared with general plastics, engineering plastics has more excellent mechanical properties, electrical properties, chemical resistance, heat resistance, wear resistance, dimensional stability and other advantages, compared with metal material has the advantages such as light weight, convenient complex product design, small energy consumption when forming.

[0003] In recent years, with the development of microelectronic industry, biomedical engineering and energy industry, the application field of special engineering plastics is greatly expanded, for example, the application of fluoroplastic PFA with excellent performance is very wide, and it has excellent heat resistance, chemical resistance and electrical insulation. PFA material is copolymerized by perfluoroethylene and perfluoropropenoate monomer, and has excellent melt processing performance, and can be molded by injection molding, extrusion or blow molding at high temperature. Its long-term use temperature range is-196 DEG C to 260 DEG C, has extremely high chemical corrosion resistance, shows good corrosion resistance to all chemicals, has the lowest friction coefficient in plastics, and the electrical insulation is not affected by temperature.

[0004] At present, when PFA pipe fittings are welded, a pair of parts to be welded is placed on the left and right sides of the heating plate for preheating, after reaching the molten state, the two are pressed together to form an integral to realize welding. The surface temperature distribution of ordinary heating plate is uneven, which seriously affects the hot melt efficiency and quality, and the precision of existing welding tooling jig is low, and the product failure rate after welding is high. In view of this, the utility model provides a kind of special plastic hot melt welding equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems that ordinary heating plate surface temperature distribution is uneven in the background art, which seriously affects the hot melt efficiency and quality, and the precision of existing welding tooling jig is low, and the product failure rate after welding is high, and proposes a kind of special plastic hot melt welding equipment.

[0006] The utility model discloses a technical scheme: a kind of special plastic hot melting welding equipment, including cabinet component, the cabinet component includes two groups of side plates, and two groups of side plates are fixedly connected with top plate, bottom plate and two groups of machine shell between, the top plate top is fixedly connected with fixed block, and the fixed block is fixedly connected with upper panel on a group of side plates together;Sliding component is installed between two groups of side plates, and the sliding component is used to drive two groups of pipe fittings to be close;Two groups of mounting assemblies are arranged on the sliding component, and two groups of mounting assemblies are used to clamp and fix two groups of pipe fittings of pre-welding;Calibration assembly is located between two groups of mounting assemblies, and the calibration assembly is used to calibrate the welding surface of pipe fitting;Heating mechanism is installed on the cabinet component, and the heating mechanism is used to heat and melt pipe fitting welding surface;Control assembly is used to realize the cooperation of each component of equipment;Heat dissipation mechanism is arranged between the top plate and bottom plate, and the heat dissipation mechanism is used to heat dissipation to prevent equipment overheating.

[0007] Optionally, the sliding component includes two groups of guide columns fixedly connected between the two groups of side plates, and the two groups of guide columns are fixedly connected with a fixed plate together, one side of the fixed plate is provided with a sliding plate, and two groups of linear bearings are fixedly connected below the sliding plate, and the two groups of linear bearings are slidably connected to the two groups of guide columns respectively, the side, away from the fixed plate, of the sliding plate is provided with a protective plate, the protective plate is fixedly connected to the top of the two groups of guide columns, a stepping motor is installed at the bottom of the protective plate, an output end of the stepping motor is fixedly connected with a lead screw, and the lead screw is threadedly connected to the bottom of the sliding plate.

[0008] Optionally, the mounting assembly includes a clamp fixedly connected to the top of the fixed plate and the sliding plate, and the clamp is provided with a locking knob.

[0009] Optionally, the calibration assembly includes a calibration baffle rotatably connected to a group of guide columns, the calibration baffle is located between the fixed plate and the sliding plate, and the calibration baffle is fixedly connected with a connecting rod on one side.

[0010] Optionally, the heating mechanism includes a rotating shaft arranged at the position of the upper panel, the rotating shaft penetrates the side plate and the fixed block, a fixed beam is fixedly connected to the rotating shaft, a heating plate is installed on the fixed beam, one end of the rotating shaft, penetrating the side plate, is fixedly connected with a rotating rod, and one end of the rotating shaft, penetrating the fixed block, is fixedly connected with a limiting block.

[0011] Optionally, the heating plate uses a far-infrared heating sheet as a heat source, a high-thermal-conductivity special ceramic material as a panel, and two temperature sensors are arranged inside the heating plate.

[0012] Optionally, the control assembly comprises an industrial touch screen and an emergency stop button arranged on the top plate, the upper panel is provided with a reset button and a start button, and the side of the shell is provided with a power switch and a heating switch.

[0013] Optionally, the heat dissipation mechanism comprises a first fan mounted on the inner side of the shell, a heat insulation guard plate is mounted on the top of the bottom plate, the heat insulation guard plate is located below the heating plate, and a second fan is mounted on the inner side of the shell corresponding to the heat insulation guard plate.

[0014] In summary, the present application has at least one of the following beneficial technical effects:

[0015] The calibration assembly and the heating plate are arranged, the uniform temperature distribution state can be achieved on the whole working surface, the temperature difference is strictly controlled in a very small range, in this way, when the pipe fittings are subjected to hot melting operation, each part can synchronously and fully absorb heat, the hot melting efficiency is greatly improved, the hot melting time is shortened compared with the similar device without the uniform heating design, the stable and uniform temperature guarantees the hot melting quality, the quality defects such as material scorching, decomposition caused by local overheating or insufficient hot melting, poor bonding and the like are completely eliminated, the forming quality of the product after the hot melting process is always consistent, and the high-precision production requirement is met.

[0016] Further, the two pipe fitting end portions can be accurately aligned when approaching each other, the hot melting area is uniformly matched, the uniformity error of the splicing gap width is small, and a solid foundation is laid for the subsequent fusion and solidification link, in this way, the solder at the pipe fitting splicing position is uniformly stressed during the cooling and solidification process, the internal organization structure is compact and regular, the stress concentration points caused by poor splicing are greatly reduced, the generation of welding defects such as cracks and virtual welding is effectively avoided, the quality of the pipe fitting hot melting splicing is comprehensively guaranteed and improved, and the strict industrial application standard is met.

[0017] In summary, the present application can ensure uniform temperature during hot melting, improve efficiency and quality, accurately align the pipe fittings, reduce welding defects, optimize the pipe fitting hot melting splicing process, and has high practical and innovative value. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic diagram of a special plastic hot melting welding equipment is given;

[0019] Figure 2 For Figure 1 The internal structure schematic diagram of the shell;

[0020] Figure 3 A heating process schematic diagram;

[0021] Figure 4 is a schematic view after welding.

[0022] Reference signs:

[0023] 1, case part; 11, side plate; 12, top plate; 13, bottom plate; 14, cabinet; 15, fixed block; 16, upper panel;

[0024] 2, sliding part; 21, guide column; 22, fixed plate; 23, sliding plate; 24, linear bearing; 25, protection plate; 26, stepping motor; 27, screw rod;

[0025] 3, mounting assembly; 31, clamp; 32, locking knob;

[0026] 4, calibration assembly; 41, calibration baffle; 42, connecting rod;

[0027] 5, heating mechanism; 51, rotating shaft; 52, fixed beam; 53, heating plate; 54, rotating rod; 55, limiting block;

[0028] 6, control assembly; 61, industrial control touch screen; 62, emergency stop button; 63, reset button; 64, start button; 65, power switch; 66, heating switch;

[0029] 7, heat dissipation mechanism; 71, first fan; 72, heat insulation guard; 73, second fan. DETAILED DESCRIPTION

[0030] The technical solutions of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0031] The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0032] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In the description of the utility model, it is necessary to explain that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, and can also be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] Embodiment

[0036] As shown in Figures 1 to 4 The utility model discloses a kind of special plastic hot melting welding equipment, including case component 1, case component 1 includes two groups of side plates 11, two groups of side plates 11 are fixedly connected with top plate 12, bottom plate 13 and two groups of machine shell 14 between, top plate 12 top is fixedly connected with fixed block 15, fixed block 15 and one group of side plate 11 are jointly fixedly connected with upper panel 16.316 stainless steel material is used in case component 1 whole, high strength, and surface wire drawing line, as the appearance of equipment is beautiful and exquisite.

[0037] Meanwhile, the welding device comprises two sets of sliding components 2 installed between the two sets of side plates 11, which are used to drive the two sets of pipes to approach each other. The sliding component 2 comprises two sets of guide columns 21 fixedly connected between the two sets of side plates 11, the positions of the guide columns 21 are fixed, and a fixed plate 22 is fixedly connected on the two sets of guide columns 21. The fixed plate 22 is provided with a sliding plate 23 on one side, and two sets of linear bearings 24 are fixedly connected below the sliding plate 23. The two sets of linear bearings 24 are respectively slidably connected on the two sets of guide columns 21, and the sliding plate 23 moves stably under the limiting action of the linear bearings 24. The side, away from the fixed plate 22, of the sliding plate 23 is provided with a protective plate 25, which is fixedly connected on the top of the two sets of guide columns 21. A stepping motor 26 is installed on the bottom of the protective plate 25, and the position of the protective plate 25 and the stepping motor 26 is fixed. The output end of the stepping motor 26 is fixedly connected with a lead screw 27, which is threadedly connected on the bottom of the sliding plate 23. The stepping motor 26 is used to drive the sliding plate 23 to move through the lead screw 27 after being started, so that the two sets of pipes approach each other for welding.

[0038] Further, the welding device further comprises two sets of installation assemblies 3 arranged on the sliding component 2, which are used to clamp and fix the two sets of pipes to be welded. The installation assembly 3 comprises a clamp 31 fixedly connected on the top of the fixed plate 22 and the sliding plate 23, and a locking knob 32 is arranged on the clamp 31. The locking knob 32 is used to adjust the distance of the clamp 31 to clamp and fix the pipes, so as to ensure the stability of the position of the pipes during the welding process.

[0039] Further, the welding device comprises a calibration assembly 4 located between the two sets of installation assemblies 3, which is used to calibrate the welding surface of the pipes. The calibration assembly 4 comprises a calibration baffle 41 rotatably connected on one set of guide columns 21, which is located between the fixed plate 22 and the sliding plate 23. After the calibration baffle 41 is rotated to the position between the two sets of pipes, the calibration baffle 41 pushes the pipes to make the welding surface of the pipes fully contact with the calibration baffle 41, so as to ensure that the welding surfaces of the two sets of pipes are aligned. A connecting rod 42 is fixedly connected on one side of the calibration baffle 41, which is convenient for rotating the calibration baffle 41. When the connecting rod 42 is placed on the upper plate 16, the calibration baffle 41 is just located between the two sets of pipes.

[0040] It is worth mentioning that the welding equipment includes the heating mechanism 5 installed on the cabinet component 1, which is used for heating the pipe welding surface. The heating mechanism 5 includes a rotating shaft 51 arranged at the position of the upper plate 16, which penetrates the side plate 11 and the fixed block 15, and is in interference fit with the rotating shaft 51, so that the rotating shaft 51 does not rotate or move under the influence of external force. The rotating shaft 51 is fixedly connected with a fixed beam 52, which rotates synchronously with the rotating shaft 51. The fixed beam 52 is installed with a heating plate 53, which uses a far-infrared heating sheet as a heat source and a high-thermal-conductivity special ceramic material as a panel, so as to have good high-temperature heating performance and good heat radiation. The heating plate 53 is provided with double temperature sensors inside, which can monitor the temperature of both sides at the same time, and has an over-temperature double protection mechanism. The rotating shaft 51 is fixedly connected with a rotating rod 54 at one end penetrating the side plate 11, which is convenient for moving the rotating shaft 51 along the length direction when pulling the rotating rod 54, and further driving the heating plate 53 to displace a small distance, so that the heating plate 53 contacts with the pipe fixed on the fixed plate 22. The rotating shaft 51 is fixedly connected with a limiting block 55 at one end penetrating the fixed block 15, which is used for limiting.

[0041] Further, the welding equipment further includes a control assembly 6, which is used for realizing the cooperation of each component of the equipment, and the control assembly 6 includes an industrial touch screen 61 and an emergency stop button 62 arranged on the top plate 12, and a reset button 63 and a start button 64 arranged on the upper plate 16, and a power switch 65 and a heating switch 66 arranged on the side of the shell 14.

[0042] Finally, the welding equipment includes a heat dissipation mechanism 7 arranged between the top plate 12 and the bottom plate 13, which is used for heat dissipation to prevent the equipment from overheating. The heat dissipation mechanism 7 includes a first fan 71 installed on the inner side of the shell 14, a heat insulation guard 72 installed on the top of the bottom plate 13, which is located below the heating plate 53, and a second fan 73 installed on the inner side of the shell 14 corresponding to the heat insulation guard 72. The heating plate 53 is rotated to the position of the heat insulation guard 72 after heating once, and is cooled by the second fan 73.

[0043] In the embodiment, the two groups of pipe fittings are placed in the two groups of clamps 31 respectively, the calibration baffle 41 is rotated by the connecting rod 42 to be located between the two groups of pipe fittings, the pipe fittings are pushed to tightly contact one end of the pipe fittings with the calibration baffle 41, and the pipe fittings are locked by rotating the locking knob 32. Then the stepping motor 26 is started, the sliding plate 23 is driven by the screw rod 27 to move stably away from the fixed plate 22 under the limiting action of the linear bearing 24 and the guide column 21, and the calibration baffle 41 is reset. The rotating rod 54 is rotated to drive the rotating shaft 51 to rotate, so that the heating plate 53 moves between the two groups of pipe fittings, the rotating rod 54 is pulled to drive the heating plate 53 to contact with one group of pipe fittings fixed on the fixed plate 22, and then the stepping motor 26 is started to drive the other group of pipe fittings to contact with the heating plate 53. At this time, the heating plate 53 is started to heat the pipe fittings, after heating is completed, the stepping motor 26 is started to drive the sliding plate 23 to move away from the fixed plate 22, the rotating rod 54 is pushed to drive the heating plate 53 to move away from the one group of pipe fittings above the fixed plate 22, and the rotating rod 54 is rotated to drive the heating plate 53 to move away from the position between the two groups of pipe fittings. Finally, the stepping motor 26 is started to drive the sliding plate 23 to move close to the fixed plate 22, and the hot melting surfaces of the two groups of pipe fittings are extruded to complete welding.

[0044] The above specific embodiments are only optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A special plastic hot-melt welding apparatus, characterized by, Include: Cabinet components (1), the cabinet components (1) include two groups of side plates (11), two groups of the side plates (11) are fixedly connected between the top plate (12), the bottom plate (13) and two groups of the shell (14), the top of the top plate (12) is fixedly connected with the fixed block (15), the fixed block (15) is fixedly connected with the upper panel (16) on a group of side plates (11) together; Sliding component (2) installed between the two groups of the side plate (11), the sliding component (2) is used to drive two groups of pipe fittings close; Two groups of installation components (3) are arranged on the sliding component (2), two groups of the installation components (3) are used for clamping and fixing two groups of pre-welded pipe fittings; The calibration assembly (4) is located between the two groups of the installation assembly (3), and the calibration assembly (4) is used for calibrating the welding surface of the pipe fitting; The heating mechanism (5) is installed on the cabinet component (1), and the heating mechanism (5) is used for heating and melting the welding surface of the pipe fitting; The control assembly (6) is used for realizing the cooperation of each component of the equipment; The heat dissipation mechanism (7) is arranged between the top plate (12) and the bottom plate (13), and the heat dissipation mechanism (7) is used for heat dissipation to prevent the equipment from overheating.

2. A special plastic hot-melt welding apparatus according to claim 1, characterized in that, The sliding component (2) includes two groups of guide columns (21) fixedly connected between the two groups of side plates (11), two groups of the guide columns (21) are fixedly connected with the fixed plate (22), one side of the fixed plate (22) is provided with the sliding plate (23), two groups of linear bearings (24) are fixedly connected below the sliding plate (23), two groups of the linear bearings (24) are respectively slidably connected on two groups of guide columns (21), the side, away from the fixed plate (22), of the sliding plate (23) is provided with the protection plate (25), the protection plate (25) is fixedly connected on the top of the two groups of guide columns (21), the step motor (26) is installed on the bottom of the protection plate (25), the output end of the step motor (26) is fixedly connected with the lead screw (27), and the lead screw (27) is threadedly connected on the bottom of the sliding plate (23).

3. A special plastic hot-melt welding apparatus according to claim 2, characterized in that, The installation assembly (3) includes a clamp (31) fixedly connected on the top of the fixed plate (22) and the sliding plate (23), and the clamp (31) is provided with a locking knob (32).

4. A special plastic hot-melt welding apparatus according to claim 3, characterized in that, The calibration assembly (4) includes a calibration baffle (41) rotatably connected on a group of guide columns (21), the calibration baffle (41) is located between the fixed plate (22) and the sliding plate (23), and the calibration baffle (41) is fixedly connected with the connecting rod (42) on one side.

5. A special plastic hot-melt welding apparatus according to claim 4, characterized in that, The heating mechanism (5) includes a rotating shaft (51) arranged at the position of the upper panel (16), the rotating shaft (51) penetrates the side plate (11) and the fixed block (15), the rotating shaft (51) is fixedly connected with the fixed beam (52), the fixed beam (52) is installed with the heating plate (53), one end of the rotating shaft (51) penetrating the side plate (11) is fixedly connected with the rotating rod (54), and one end of the rotating shaft (51) penetrating the fixed block (15) is fixedly connected with the limiting block (55).

6. A special plastic hot-melt welding apparatus according to claim 5, characterized in that, The heating plate (53) adopts far infrared heating sheet as heat source, and high thermal conductivity special ceramic material as panel, and is internally provided with double temperature sensors.

7. A special plastic hot-melt welding apparatus according to claim 6, characterized in that, The control assembly (6) comprises an industrial control touch screen (61) and an emergency stop button (62) arranged on the top plate (12), a reset button (63) and a start button (64) arranged on the upper panel (16), and a power switch (65) and a heating switch (66) arranged on the side of the shell (14).

8. A special plastic hot-melt welding apparatus according to claim 7, characterized in that, The heat dissipation mechanism (7) comprises a first fan (71) mounted on the inner side of the shell (14), a heat insulation guard (72) mounted on the top of the bottom plate (13), and a second fan (73) mounted on the inner side of the shell (14) and corresponding to the heat insulation guard (72).

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