A plastic sheet spot welding machine

Abstract

This utility model belongs to the field of spot welding machine application technology, specifically a plastic sheet spot welding machine, including an operating table; a base plate is fixedly connected to the bottom of the operating table; a control box is fixedly connected to the side wall of the operating table; a temperature control mechanism is provided at the top of the base plate; a material locking mechanism is provided in the middle of the operating table; a filter mechanism is provided below the operating table; a welding mechanism is provided at the top of the operating table; the temperature control mechanism includes a water tank, a water pump, a water outlet pipe, a support rod, and a water spray head; the water tank is placed at the top of the base plate; the water pump is installed inside the water tank; through the structural arrangement of the water pump and the water spray head, the controllability and stability of the welding process are improved by cooperating with the material locking mechanism and the temperature control mechanism, further improving the welding quality, including all steps from sheet material feeding to final product unloading, thus improving the automation level of the entire welding process.

Description

Technical Field

[0001] This utility model belongs to the field of spot welding machine application technology, specifically a spot welding machine for plastic plates. Background Technology

[0002] Plastic sheet spot welding machines are based on the thermal properties of thermoplastics. They heat the plastic sheets to a molten state at the welding points, then apply pressure to fuse them together, forming a strong welded joint after cooling. Specifically, the machine uses an electric current passing through a heating element to generate heat, which heats a hot plate to a set temperature. The hot plate then contacts the plastic sheet, transferring heat to it. This intensifies the movement of molecular chains on the plastic sheet's surface and weakens intermolecular forces, thus achieving the melting and welding of the plastic sheets.

[0003] Traditional spot welding machines often suffer from inconsistent weld quality due to the lack of precise temperature and pressure control systems, resulting in issues such as insufficient weld strength or uneven surfaces. This project aims to provide a plastic sheet spot welding machine with precise sheet positioning, cutting and shaping, loading and unloading locking, and safety protection functions. Through optimized structural design, it achieves more precise temperature and pressure control, improving welding quality and production efficiency.

[0004] Therefore, to solve the above problems, it is necessary to develop a reliable spot welding machine for plastic sheets. Utility Model Content

[0005] To overcome the shortcomings of existing technologies and solve the technical problem of developing a stable and efficient plastic sheet spot welding machine as mentioned in the background art, the technical solution adopted by this utility model is as follows: The plastic sheet spot welding machine of this utility model includes an operating table; a base plate is fixedly connected to the bottom end of the operating table; a belt is provided on the top of the operating table; a control box is fixedly connected to the side wall of the operating table; a temperature control mechanism is provided at the top of the base plate; a material locking mechanism is provided in the middle of the operating table; a filtering mechanism is provided below the operating table; and a welding mechanism is provided at the top of the operating table. Through the above structure, the controllability and stability of the welding process are improved by cooperating with the material locking mechanism and the temperature control mechanism, further enhancing the welding quality, including all steps from sheet material feeding to final product unloading, thus improving the automation level of the entire welding process.

[0006] Preferably, the temperature control mechanism includes a water tank, a water pump, a water outlet pipe, a support rod, and a spray nozzle; the water tank is placed on the top of the base plate; the water pump is installed inside the water tank; the output end of the water pump is fixedly connected to the water outlet pipe, and the water outlet pipe passes through the side wall of the water tank; the support rod is fixedly connected to the side wall of the operating table; the other end of the support rod is fixedly connected to the water outlet pipe; the top of the water outlet pipe is fixedly connected to the spray nozzle; through the above structure, the resistance heat generated by the current passing through the welding electrode and the plastic plate during welding is reduced. If heat is not dissipated in time, the excessively high temperature will cause the performance of key components such as welding electrodes and transformers to degrade, shorten their service life, and may even lead to equipment failure. At the same time, the excessively high temperature will cause the plastic plate to melt excessively, causing defects such as deformation and bubbles in the welding part, affecting the welding quality. By cooling with water, these heats can be effectively removed, maintaining the normal operating temperature of the equipment and ensuring the stability of the equipment and the welding quality.

[0007] Preferably, the locking mechanism includes a first motor, a through hole, forward and reverse screws, a moving block, and a loading / unloading locking plate; the first motor is fixedly connected to the side wall of the operating table; a through hole is opened at the top of the operating table; a forward and reverse screw is installed in the middle of the through hole; the output end of the first motor passes through the operating table and is fixedly connected to the end of the forward and reverse screw; two sets of moving blocks are provided; the two sets of moving blocks are threadedly connected to the two ends of the surface of the forward and reverse screws; the moving blocks are slidably installed with the operating table; the loading / unloading locking plate is fixedly connected to the end of the moving blocks; through the above structure, the plastic sheet will not shake or shift during welding, and it can be used to adapt to the processing needs of different specifications of sheet materials, ensuring the stability of the sheet material during the welding process and reducing safety hazards.

[0008] Preferably, the filtration mechanism includes a filtration chamber and a filter screen; the filtration chamber is snapped onto the top of the water tank; a filter screen is installed on the top of the filtration chamber; through the above structure, clean water can be collected again, wastewater discharge is reduced, water source can be reused, and the welding machine is made more environmentally friendly.

[0009] Preferably, the welding mechanism includes a chute, a second motor, a threaded rod, an L-shaped plate, an electric push rod, and a welding nozzle plate; the top of the operating table is fixedly connected to the chute; the side wall of the chute is fixedly connected to the second motor; the output end of the second motor is rotatably connected to the threaded rod through the side wall of the chute; the middle of the threaded rod is threadedly connected to the L-shaped plate; a set of electric push rods is installed at the bottom end of the L-shaped plate; the bottom end of the set of electric push rods is fixedly connected to the welding nozzle plate; through the above structure, the welding head can move flexibly, the plate can be accurately positioned and cut and shaped, the plastic plate can be welded efficiently, the flexibility of the spot welding machine can be improved, the welding dead angle can be reduced, and the welding coverage area can be increased.

[0010] Preferably, the material of the bend in the water outlet pipe is a rubber hose; with the above structure, the spray head can be freely adjusted at the spray angle, so that the water can be accurately aligned with the welding point, so that the temperature during cutting can be reduced and the welding slag can be removed.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. The plastic sheet welding machine described in this utility model improves the controllability and stability of the welding process through the structural design of the material locking mechanism and the temperature control mechanism, thereby further enhancing the welding quality. This includes all steps from sheet material feeding to the final product unloading, improving the automation level of the entire welding process.

[0013] 2. The plastic plate spot welding machine described in this utility model, through the structural setting of the water pump, realizes that the current passing through the welding electrode and the plastic plate during welding reduces the resistance heat generated. If heat is not dissipated in time, the excessively high temperature will degrade the performance of key components such as welding electrodes and transformers, shorten their service life, and may even lead to equipment failure. At the same time, excessively high temperature will cause the plastic plate to melt excessively, causing defects such as deformation and bubbles at the welding part, affecting the welding quality. By cooling with water, these heat can be effectively removed, maintaining the normal operating temperature of the equipment, ensuring the stability of the equipment and the welding quality. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 This is a perspective view of the present invention;

[0016] Figure 2 This is a schematic diagram of the water pump structure in this utility model;

[0017] Figure 3 This is a schematic diagram of the L-shaped plate structure in this utility model;

[0018] Figure 4 This is a schematic diagram of the loading and unloading locking plate structure in this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Operating platform; 11. Base plate; 12. Control box; 2. Water tank; 21. Water pump; 22. Water outlet pipe; 23. Support rod; 24. Spray head; 3. First motor; 31. Through hole; 32. Forward and reverse screws; 33. Moving block; 34. Loading and unloading locking plate; 4. Filter chamber; 41. Filter screen; 5. Slide groove; 51. Second motor; 52. Threaded rod; 53. L-shaped plate; 54. Electric push rod; 55. Welded nozzle plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Specific implementation examples are given below.

[0023] like Figures 1 to 2 As shown in the embodiment of this utility model, a plastic sheet welding machine includes an operating table 1: a base plate 11 is fixedly connected to the bottom end of the operating table 1; a strap is provided on the top of the operating table 1; a control box 12 is fixedly connected to the side wall of the operating table 1; a temperature control mechanism is provided on the top of the base plate 11; a material locking mechanism is provided in the middle of the operating table 1; a filtering mechanism is provided below the operating table 1; and a welding mechanism is provided on the top of the operating table 1. During operation, when welding a plastic sheet, the plastic sheet to be processed can be placed on the material locking mechanism on the operating table 1, and the control box 12 can be operated to allow the welding mechanism to weld the plastic sheet. At the same time, the temperature control mechanism on the top of the base plate 11 is activated. Through the above structure, the controllability and stability of the welding process are improved by the cooperation of the material locking mechanism and the temperature control mechanism, further improving the welding quality, including all steps from material loading to final product unloading, thus improving the automation level of the entire welding process.

[0024] like Figure 2As shown, the temperature control mechanism includes a water tank 2, a water pump 21, a water outlet pipe 22, a support rod 23, and a spray head 24. The water tank 2 is placed on top of the base plate 11. The water pump 21 is installed inside the water tank 2. The output end of the water pump 21 is fixedly connected to the water outlet pipe 22, and the water outlet pipe 22 passes through the side wall of the water tank 2. The support rod 23 is fixedly connected to the side wall of the operating platform 1. The other end of the support rod 23 is fixedly connected to the water outlet pipe 22. The top end of the water outlet pipe 22 is fixedly connected to the spray head 24. During operation, when the plastic sheet is being welded, the water pump 21 is activated, and clean water from the water tank 2 is discharged through the water outlet pipe 22. The support rod 23 then sprays water through the water outlet pipe 24. 2. The structure provides support, and water is then sprayed from nozzle 24. This structure effectively reduces the large amount of heat generated during the welding process. This is because the current passing through the welding electrode and the plastic plate during welding generates resistance heat. If heat is not dissipated in time, excessively high temperatures will degrade the performance of key components such as the welding electrode and transformer, shorten their service life, and may even lead to equipment failure. At the same time, excessively high temperatures will cause the plastic plate to melt excessively, resulting in defects such as deformation and bubbles in the welded area, affecting the welding quality. Cooling with water can effectively remove this heat, maintain the normal operating temperature of the equipment, and ensure the stability of the equipment and the welding quality.

[0025] like Figure 2 As shown, the material locking mechanism includes a first motor 3, a through hole 31, forward and reverse screws 32, a moving block 33, and a loading / unloading locking plate 34; the first motor 3 is fixedly connected to the side wall of the operating table 1; a through hole 31 is opened at the top of the operating table 1; a forward and reverse screw 32 is installed in the middle of the through hole 31; the output end of the first motor 3 passes through the operating table 1 and is fixedly connected to the end of the forward and reverse screw 32; two sets of moving blocks 33 are provided; the two sets of moving blocks 33 are threadedly connected to the two ends of the surface of the forward and reverse screw 32; the moving blocks 33 slide with the operating table 1. Installation: The loading and unloading locking plate 34 is fixed to the end of the moving block 33. During operation, when the plastic plate is placed on the top of the loading and unloading locking plate 34, the first motor 3 is started, causing the forward and reverse screws 32 to rotate in the middle of the through hole 31, driving the two sets of moving blocks 33 to move in opposite directions, thereby moving the loading and unloading locking plate 34 to clamp the plastic plate. The above structure ensures that the plastic plate will not shake or shift during welding, and can be used to adapt to the processing requirements of different specifications of plates, ensuring the stability of the plate during the welding process and reducing safety hazards.

[0026] like Figure 2As shown, the filtration mechanism includes a filtration chamber 4 and a filter screen 41; the top of the water tank 2 is snapped with the filtration chamber 4; the top of the filtration chamber 4 is equipped with the filter screen 41; during operation, after the plastic plate is rinsed by the temperature control mechanism, the treated water will carry away the welding slag and heat from the plastic plate and flow into the filtration chamber 4. Then, the filter screen 41 filters the welding slag from the plastic plate in the water, allowing the filtered water to flow into the water tank 2. This step enables the recycling of clean water, reduces wastewater discharge, allows the water source to be reused, and makes the spot welding machine more environmentally friendly.

[0027] like Figures 2 to 3 As shown, the welding mechanism includes a chute 5, a second motor 51, a threaded rod 52, an L-shaped plate 53, an electric push rod 54, and a welding nozzle plate 55; the top of the operating table 1 is fixedly connected to the chute 5; the side wall of the chute 5 is fixedly connected to the second motor 51; the output end of the second motor 51 is rotatably connected to the threaded rod 52 through the side wall of the chute 5; the middle of the threaded rod 52 is threadedly connected to the L-shaped plate 53; a set of electric push rods 54 is installed at the bottom end of the L-shaped plate 53; the bottom end of the set of electric push rods 54 is fixedly connected to... Welding nozzle plate 55; During operation, when the user is welding the plastic plate, the second motor 51 is started, causing the threaded rod 52 in the slide groove 5 to rotate, driving the L-shaped plate 53 to move above the area to be welded. Then, the electric push rod 54 is started to adjust to a suitable height, so that the welding nozzle plate 55 can work to spot weld the plastic plate. The above structure allows the welding head to move flexibly, realizing the precise positioning and cutting and shaping of the plate, and efficient welding of the plastic plate. This improves the flexibility of the spot welding machine, reduces welding dead angles, and increases the welding coverage area.

[0028] like Figure 4 As shown, the material of the bend in the water outlet pipe 22 is a rubber hose. During operation, when the spot welding machine is welding the plastic plate, the direction of the rubber hose is adjusted so that the water spray head 24 sprays water at the contact point between the plastic plate and the welding head from a suitable angle. The above structure allows the water spray head 24 to freely adjust the spray angle, so that the water can accurately align with the welding point, reduce the temperature during cutting, and remove the welding slag.

[0029] During operation, when welding plastic sheets, the plastic sheet to be processed can be placed on the locking mechanism on the operating table 1. The control box 12 is then activated to allow the welding mechanism to weld the plastic sheet. Simultaneously, the temperature control mechanism at the top of the base plate 11 is activated. This structure, through the cooperation of the locking mechanism and the temperature control mechanism, improves the controllability and stability of the welding process, further enhancing welding quality. This includes all steps from sheet material loading to final product unloading, improving the automation level of the entire welding process. When the plastic sheet is being welded, the water pump 21 is started, discharging clean water from the water tank 2 through the outlet pipe 22. The support rod 23 supports the outlet pipe 22, and then water is sprayed from the spray nozzle 24. This structure effectively reduces the risk of welding defects. The large amount of heat generated during operation is due to resistance heat generated when current passes through the welding electrodes and plastic plate during welding. If heat is not dissipated in time, excessively high temperatures can degrade the performance of key components such as welding electrodes and transformers, shorten their service life, and may even lead to equipment failure. Simultaneously, excessively high temperatures can cause the plastic plate to over-melt, resulting in defects such as deformation and bubbles at the weld joint, affecting welding quality. Water cooling effectively removes this heat, maintaining the normal operating temperature of the equipment and ensuring its stability and welding quality. When the plastic plate is placed on top of the loading / unloading locking plate 34, the first motor 3 is started, causing the forward and reverse screws 32 to rotate in the middle of the through hole 31, driving the two sets of moving blocks 33 to move in opposite directions, thereby allowing the upper... The material locking plate 34 moves to clamp the plastic sheet. This structure prevents the plastic sheet from shaking or shifting during welding and can be adapted to the processing needs of different specifications of sheet metal, ensuring the stability of the sheet metal during the welding process and reducing safety hazards. After the plastic sheet is rinsed by the temperature control mechanism, the treated water carries away the welding slag and heat from the plastic sheet and flows into the filter chamber 4. Then, the filter screen 41 filters the welding slag from the plastic sheet in the water, and the filtered water flows into the water tank 2. This step enables the recycling of clean water, reduces wastewater discharge, and allows the water source to be reused, making the spot welding machine more environmentally friendly. When the user welds the plastic sheet, the second motor 51 is started, causing the threaded rod 5 in the slide 5 to move. 2. Rotate the L-shaped plate 53 to move it above the area to be welded, then start the electric push rod 54 to adjust it to a suitable height, so that the welding nozzle plate 55 can work to spot weld the plastic plate. The above structure allows the welding head to move flexibly, realizing precise positioning and cutting and shaping of the plate, and efficient welding of the plastic plate. This improves the flexibility of the spot welding machine, reduces welding dead angles, and increases the welding coverage area. When the spot welding machine is welding the plastic plate, the direction of the rubber hose is adjusted so that the water spray head 24 sprays water from a suitable angle at the position where the plastic plate and the welding head are in contact. The above structure allows the water spray head 24 to be freely adjusted at the spray angle, so that the water can be accurately aligned with the welding point, so that the temperature during cutting decreases and the welding slag is removed.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic sheet spot welding machine, comprising an operating table (1), characterized in that: The bottom of the operating table (1) is fixedly connected to a base plate (11); a control box (12) is fixedly connected to the side wall of the operating table (1); a temperature control mechanism is provided at the top of the base plate (11); a material locking mechanism is provided in the middle of the operating table (1); a filtering mechanism is provided below the operating table (1); a welding mechanism is provided at the top of the operating table (1); and a strap is provided at the top of the operating table (1).

2. The plastic sheet spot welding machine according to claim 1, characterized in that: The temperature control mechanism includes a water tank (2), a water pump (21), a water outlet pipe (22), a support rod (23), and a spray head (24); the water tank (2) is placed on the top of the base plate (11); the water pump (21) is installed inside the water tank (2); the output end of the water pump (21) is fixedly connected to the water outlet pipe (22), and the water outlet pipe (22) passes through the side wall of the water tank (2); the side wall of the operating table (1) is fixedly connected to the support rod (23); the other end of the support rod (23) is fixedly connected to the water outlet pipe (22); the top end of the water outlet pipe (22) is fixedly connected to the spray head (24).

3. A plastic sheet spot welding machine according to claim 2, characterized in that: The locking mechanism includes a first motor (3), a through hole (31), a forward and reverse screw (32), a moving block (33), and a loading / unloading locking plate (34); the first motor (3) is fixedly connected to the side wall of the operating table (1); the top of the operating table (1) is provided with a through hole (31); the forward and reverse screw (32) is installed in the middle of the through hole (31); the output end of the first motor (3) passes through the operating table (1) and is fixedly connected to the end of the forward and reverse screw (32); two sets of moving blocks (33) are provided; the two sets of moving blocks (33) are threadedly connected to the two ends of the surface of the forward and reverse screw (32); the moving blocks (33) are slidably installed with the operating table (1); the loading / unloading locking plate (34) is fixedly connected to the end of the moving blocks (33).

4. A plastic sheet spot welding machine according to claim 3, characterized in that: The filtration mechanism includes a filtration chamber (4) and a filter screen (41); the top of the water tank (2) is snapped with the filtration chamber (4); the top of the filtration chamber (4) is fitted with a filter screen (41).

5. A plastic sheet spot welding machine according to claim 4, characterized in that: The welding mechanism includes a chute (5), a second motor (51), a threaded rod (52), an L-shaped plate (53), an electric push rod (54), and a welding nozzle plate (55); the top of the operating table (1) is fixedly connected to the chute (5); the side wall of the chute (5) is fixedly connected to the second motor (51); the output end of the second motor (51) is rotatably connected to the threaded rod (52) through the side wall of the chute (5); the middle part of the threaded rod (52) is threadedly connected to the L-shaped plate (53); a set of electric push rods (54) is installed at the bottom end of the L-shaped plate (53); the bottom end of the set of electric push rods (54) is fixedly connected to the welding nozzle plate (55).

6. A plastic sheet spot welding machine according to claim 5, characterized in that: The material of the bend in the water outlet pipe (22) is a rubber hose.

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