Plastic plate hot air welding machine

Abstract

The utility model relates to the technical field of plastic synthesis processing, in particular to a plastic plate hot air welding machine which is provided with a base, a processing table is arranged at the top of the base, a longitudinal groove is formed in one side of the processing table along the edge, a supporting rod is vertically arranged in the longitudinal groove, a transverse rod is arranged on the supporting rod, and a sliding rail is arranged at the bottom of the transverse rod. The bottom of the sliding rail is provided with a sliding rod, the bottom of the sliding rod is rotationally connected with a rotary cutting assembly through a rotating shaft, and the rotary cutting assembly is provided with a hot air spray gun and a cooling gun. And the technical problems that the welding gun can be moved conveniently to weld the large-size plastic plate, the hot air spray gun can be replaced rapidly for plastic materials with different thicknesses through the rotary cutting assembly, and meanwhile, rapid cooling and shaping are conducted after welding is completed are solved. The welding gun has the beneficial effects that the welding gun can be moved conveniently to weld the large-size plastic plate, and the hot air spray gun can be replaced rapidly for the plastic materials with different thicknesses through the rotary cutting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic synthesis processing, in particular to a hot air welding machine for plastic plates. Background Art

[0002] Plastic processing, also known as plastic molding processing. It is a general term for various processes that convert synthetic resins or plastics into plastic products. The methods of joining plastic parts include welding and bonding. Welding methods include hot air welding using welding rods, hot melt welding using hot electrodes, high-frequency welding, friction welding, induction welding, ultrasonic welding, etc. Bonding methods can be divided into flux, resin solution and hot melt adhesive bonding according to the adhesive used. There are many defects in the hot air welding process currently on the market. For example, the hot air welding machine in the prior art cannot automatically move the welding point for welding, and it is necessary to manually move the hot air spray gun or plastic plate for welding. Secondly, the welding device in the prior art needs to replace nozzles of different calibers when welding plastics of different thicknesses and widths, which is more troublesome. At the same time, it is impossible to cool down quickly and promptly after welding is completed, which may cause the welding surface to be distorted during subsequent cooling. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a hot air welding machine for plastic plates, which solves the problems in the prior art that the welding assembly cannot be moved to weld the entire plastic plate, and the nozzle diameter cannot be quickly replaced for plastic plates of different thicknesses, and at the same time solves the technical problem that rapid cooling cannot be performed after welding is completed.

[0004] According to an embodiment of the utility model, a hot air welding machine for plastic plates comprises a base, a processing table is arranged on the top of the base, a longitudinal groove is arranged along the edge of one side of the processing table, a support rod is vertically arranged in the longitudinal groove, the support rod is perpendicular to the longitudinal groove, a pushing assembly is arranged on one side of the support rod located in the longitudinal groove, for pushing the support rod to move along the groove, an electric lifting device is arranged in the support rod, a cross bar is movably connected to the electric lifting device perpendicular to the support rod, a slide rail is arranged at the bottom of the cross bar, an electric sliding block is arranged in the slide rail, the bottom of the electric sliding block is vertically fixedly connected to the sliding rod, the bottom of the sliding rod is rotatably connected to a rotary cutting assembly via a rotating shaft, a plurality of groups of hot air spray guns with different calibers are installed on the rotary cutting assembly, and a plurality of groups of cooling guns are also installed on the rotary cutting assembly.

[0005] The technical principle of the utility model is as follows: firstly, a plastic plate is placed on a processing table to align the gap to be welded, the height of the hot air spray gun is adjusted by an electric lifting device, the hot air spray gun is aligned with the welding position, and the welding operation is started. During welding, a pushing component is started to push the support rod to move, and the support rod drives the cross rod and the spray gun to move in a vertical direction for welding. After welding is completed, a cooling gun is switched by a rotary cutting component, and then the welded plastic plate is cooled by the cooling gun. At the same time, hot air spray guns of different calibers can be switched by a rotary cutting component for plastic plates and plastic films of different thicknesses.

[0006] Compared with the prior art, the utility model has the following beneficial effects: through the longitudinal groove, the rotary cutting assembly, the hot air spray gun, the cooling gun and other devices, the problems existing in the prior art that the welding assembly cannot be moved to weld the entire plastic plate, and the nozzle diameter cannot be quickly changed for plastic plates of different thicknesses are solved. At the same time, the technical problem that the temperature cannot be quickly cooled down after welding is completed is solved, and the welding gun can be moved conveniently to weld large-volume plastic plates, and the hot air spray gun can be quickly replaced when facing plastic materials of different thicknesses through the rotary cutting assembly. At the same time, it has the beneficial effect of quickly cooling down and shaping after welding is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the structure of the utility model;

[0008] Figure 2 It is a top view of the utility model;

[0009] Figure 3 This is a schematic diagram of the rotating disc of the utility model;

[0010] In the figure: 1, base; 2, processing table; 3, support rod; 4, electric lifting device; 5, cross bar; 6, slide rail; 7, slide bar; 8, rotating disk; 9, groove; 10, hot air spray gun; 11, cooling gun; 12, heating tank; 13, fixing clamp; 201, longitudinal groove; 301, electric slider; 901, stepping motor; 1201, electric heating plate. DETAILED DESCRIPTION

[0011] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] like Figure 1-Figure 3As shown, a hot air welding machine for plastic plates comprises a base 1, a processing table 2 is arranged on the top of the base 1, a longitudinal groove 201 is arranged on one side of the processing table 2 along the edge, a support rod 3 is vertically arranged in the longitudinal groove 201, the support rod 3 is perpendicular to the longitudinal groove 201, a pushing assembly is arranged on one side of the support rod 3 located in the longitudinal groove 201, and is used to push the support rod 3 to move along the groove, an electric lifting device 4 is arranged in the support rod 3, a cross bar 5 is movably connected to the electric lifting device 4 perpendicular to the support rod 3, a slide rail 6 is arranged at the bottom of the cross bar 5, an electric sliding block is arranged in the slide rail 6, a slide rod 7 is fixedly connected to the bottom of the electric sliding block in a vertical shape, a rotary cutting assembly is rotatably connected to the bottom of the slide rod 7 through a rotating shaft, a plurality of groups of hot air spray guns 10 with different calibers are installed on the rotary cutting assembly, and a plurality of groups of cooling guns 11 are also installed on the rotary cutting assembly; the detailed working process of this embodiment is as follows: when in use, a plastic plate is first placed on the processing table 2, the gaps to be welded are aligned and pressed together, and the plastic plate is welded by the support rod 3. The electric lifting device 4 adjusts the height of the cross bar 5. The electric lifting device 4 is of prior art and specifically includes a motor arranged at the bottom inside the support rod. A screw rod is arranged at the output end of the motor, and a cross bar 5 is fixedly connected to the screw rod. When in use, the motor drives the screw rod to move the cross bar 5 up and down. A slide rail 6 is arranged at the bottom of the cross bar 5, and an electric sliding block is arranged in the slide rail 6. A slide rod 7 is fixedly connected to the bottom of the electric sliding block. When in use, the slide rod can be moved laterally along the slide rail 6 through the electric sliding block. The vertical movement of the longitudinal groove 201 can enable the hot air spray gun 10 to perform welding operations at any position on the top of the processing table 2. After the hot air spray gun 10 is aligned with the welding position, the hot air spray gun 10 is turned on to weld the plastic sheet. The hot air spray gun 10 and the cooling gun are both of prior art. At the same time as welding, the pushing assembly is started to push the support rod 3 to move vertically, and the support rod 3 drives the hot air spray gun 10 to vertically weld the plastic sheet. It should be noted that the calibers of the spray gun heads of the hot air spray gun 10 are not the same. This embodiment adopts a small and a large combination.

[0013] The pushing assembly includes an electric slider 301 disposed below the side of the support rod 3. The electric slider 301 can push the support rod 3 to move in the longitudinal groove 201. When in use, the electric slider 301 is started to move vertically along the longitudinal groove 201, which can drive the support rod 3 to move vertically as well.

[0014] A heating groove 12 is longitudinally arranged in the middle of the processing table 2 , and the heating groove 12 is parallel to the longitudinal groove 201 . The heating groove 12 is arranged parallel to the longitudinal groove 201 and is vertical.

[0015] A plurality of electric heating plates 1201 are arranged in the heating groove 12. When a thicker plastic sheet is welded, the hot air spray gun 10 may not be able to quickly melt the material for welding. Therefore, it is preferred to place the welding part of the plastic sheet in the heating groove 12, and start the electric heating plates 1201 to heat and soften the bottom of the welding part of the plastic sheet. The plurality of electric heating plates are preferably formed into 4 long strips and arranged vertically along the heating groove 12, and the number of openings is selected in turn according to the size of the welding gap.

[0016] The rotary cutting assembly includes a rotating disc 8 and a stepper motor 901 arranged at the bottom of the slide bar 7. A rotating shaft is arranged at the center position of the rotating disc 8. The rotating disc 8 is rotatably connected to the stepper motor 901 through the rotating shaft to drive the rotating disc 8 to rotate. When in use, the stepper motor 901 drives the rotating shaft to rotate slightly. The stepper motor is a prior art, and its characteristic is that the rotor rotates an angle or moves forward one step for each input of a pulse signal. When in use, the stepper motor drives the rotating disc 901 to rotate by the rotation angle, thereby switching the hot air spray gun 10 and the cooling gun 11. Because the rotation angle of the stepper motor is small, the line knotting caused by the ordinary rotating motor during rotation is avoided. At the same time, the hot air spray gun 10 and the cooling gun 11 are preferably wireless hot air spray guns. In this embodiment, a lithium battery hot air spray gun is preferably used. In order to avoid the stepper motor 901 from loosening during installation, a counterweight block is added to the side of the slide bar 7 to stabilize the stepper motor 901. This technical solution belongs to common knowledge in the field.

[0017] The rotating disc 8 is provided with a plurality of grooves 9, and the grooves 9 are symmetrically arranged in groups of two relative to the center of the rotating disc 8. The hot air spray guns 10 and the cooling guns 11 are installed in groups of two in the grooves 9. When in use, the hot air spray guns 10 and the cooling guns 11 on the rotating disc 8 are symmetrically arranged, that is, when a hot air spray gun 10 is working, the spray gun port of the other hot air spray gun 10 is also located just above the material. At this time, the two hot air spray guns 10 can be opened synchronously to weld the material, which is more effective. Similarly, the cooling gun 11 can also be opened synchronously for rapid cooling when in use.

[0018] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot air welding machine for plastic plates, characterized in that: The invention comprises a base (1), a processing table (2) is arranged on the top of the base (1), a longitudinal groove (201) is arranged along the edge of one side of the processing table (2), a support rod (3) is vertically arranged in the longitudinal groove (201), the support rod (3) is perpendicular to the longitudinal groove (201), a pushing component is arranged in the longitudinal groove (201) on one side of the support rod (3), and is used to push the support rod (3) to move along the groove, an electric lifting device (4) is arranged in the support rod (3), and the support rod (3) is provided with a plurality of electric lifting devices (5). The electric lifting device (4) is provided with a cross bar (5) movably connected to the support rod (3), a slide rail (6) is arranged at the bottom of the cross bar (5), an electric sliding block is arranged inside the slide rail (6), the bottom of the electric sliding block is vertically fixedly connected to a slide bar (7), the bottom of the slide bar (7) is rotatably connected to a rotary cutting assembly via a rotating shaft, a plurality of groups of hot air spray guns (10) with different calibers are installed on the rotary cutting assembly, and a plurality of groups of cooling guns (11) are also installed on the rotary cutting assembly.

2. A hot air welding machine for plastic plates as claimed in claim 1, characterized in that: The pushing assembly comprises an electric slider (301) arranged below the side of the support rod (3), and the electric slider (301) can push the support rod (3) to move in the longitudinal groove (201).

3. A hot air welding machine for plastic plates as claimed in claim 1, characterized in that: A heating groove (12) is longitudinally arranged in the middle of the processing table (2), and the heating groove (12) is parallel to the longitudinal groove (201).

4. A hot air welding machine for plastic plates as claimed in claim 3, characterized in that: A plurality of electric heating plates (1201) are arranged in the heating tank (12).

5. A hot air welding machine for plastic plates as claimed in claim 1, characterized in that: The rotary cutting assembly comprises a rotating disc (8) and a stepper motor (901) arranged at the bottom of the slide bar (7); a rotating shaft is arranged at the center of the rotating disc (8); the rotating disc (8) is rotationally connected to the stepper motor (901) via the rotating shaft, and drives the rotating disc (8) to rotate.

6. A hot air welding machine for plastic plates as claimed in claim 5, characterized in that: The rotating disc (8) is provided with a plurality of grooves (9), the grooves (9) are symmetrically arranged in groups of two relative to the center of the rotating disc (8), and the hot air spray guns (10) and cooling guns (11) are installed in the grooves (9) in groups of two.

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