Worktable of high-frequency welding machine with self-adapting pressing mechanism

Abstract

This utility model discloses a high-frequency welding machine workbench with an adaptive clamping mechanism, comprising: a workbench, a mounting frame fixedly installed at one end of the upper surface of the workbench, two sets of transmission columns rotatably installed inside the mounting frame, a conveyor belt fitted onto the outer surface of the two sets of transmission columns, a first connecting plate fixedly installed at one end of the conveyor belt, and the first connecting plate simultaneously sliding within a guide groove, the guide groove being located at one end of the mounting frame, and a clamping force detection mechanism slidably installed at one end of the first connecting plate, the first connecting plate and a second connecting plate being horizontally opposite each other, and the second connecting plate being fixedly installed at one end of the mounting frame. This application, through the design of the clamping force detection mechanism, achieves adaptive clamping of the welding material through the adjustment process of the clamping state of the welded parts, avoiding damage to the welding material due to excessive or insufficient pressure, and ensuring welding quality.

Description

Technical Field

[0001] This utility model relates to the technical field of welding machine worktables, specifically a high-frequency welding machine worktable with an adaptive clamping mechanism. Background Technology

[0002] In modern industrial production, high-frequency welding technology is widely used in the processing of materials such as plastics and rubber due to its high efficiency and stable bonding advantages. The high-frequency welding machine's worktable, as the core carrier for this technology, directly affects the stability and consistency of the welding quality through the performance of its clamping mechanism.

[0003] For example, the patent disclosed in CN204123676U discloses a low-radiation high-frequency fusion splicing machine, which includes a high-frequency generator with a metal shell, a high-frequency tuning output device with a metal shell, a worktable, and a machine head. Its characteristic is that it also includes a machine head shielding device, which is a metal enclosure with a door. The machine head shielding device is connected to the machine head, and the interior of the machine head shielding device shields a mold base and a high-frequency output connector. The metal shell of the high-frequency generator is electrically connected to the metal shell of the high-frequency tuning output device, and the metal shell of the high-frequency tuning output device is also electrically connected to the machine head shielding device. The metal shell of the high-frequency generator is grounded.

[0004] However, the aforementioned low-radiation high-frequency welding machine cannot monitor and dynamically adjust the clamping force in real time during the clamping process of the welding material. When there are thickness deviations, uneven surfaces, or uneven materials, the equipment is difficult to adjust the pressure accordingly. For softer materials (such as thin plastic films and rubber sheets), excessive pressure may cause excessive compression and deformation of the material, or even breakage and scorching of the weld edges. For materials with higher hardness or multi-layer composites, insufficient pressure may cause poor adhesion of the welded surfaces, resulting in defects such as incomplete welding and detachment, which seriously affect the structural strength and sealing performance of the product and significantly reduce the finished product qualification rate. Utility Model Content

[0005] The purpose of this utility model is to provide a high-frequency welding machine workbench with an adaptive clamping mechanism to solve the problems mentioned in the background art. When the welding material has thickness deviation, uneven surface, or uneven material, the equipment cannot monitor and dynamically adjust the clamping force in real time. This results in softer materials (such as thin plastic film and rubber sheet) being excessively squeezed and deformed, or the welding edges being scorched due to excessive pressure. For materials with higher hardness or multi-layer composites, insufficient pressure leads to defects such as loose welding surfaces, incomplete welding, and detachment. These defects affect the structural strength and sealing performance of the product and significantly reduce the finished product qualification rate.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A high-frequency welding machine workbench with an adaptive clamping mechanism includes: a workbench, a mounting frame fixedly installed at one end of the upper surface of the workbench, two sets of transmission columns rotatably installed inside the mounting frame, a conveyor belt fitted on the outer surface of the two sets of transmission columns, a first connecting plate fixedly installed at one end of the conveyor belt, and the first connecting plate sliding simultaneously in a guide groove, the guide groove being opened at one end of the mounting frame, a clamping force detection mechanism slidably installed at one end of the first connecting plate, the first connecting plate and a second connecting plate being horizontally opposite each other, and the second connecting plate being fixedly installed at one end of the mounting frame, thereby enabling the conveyor belt to drive the first connecting plate and the clamping force detection mechanism to move closer to the second connecting plate together.

[0007] Preferably, an expansion plate is fixedly installed inside the mounting frame. The expansion plate is fitted inside the conveyor belt and can simultaneously abut against both ends of the inside of the conveyor belt, thereby preventing the conveyor belt from collapsing inward.

[0008] Preferably, the shaft of one set of transmission columns rotates through to the upper surface of the mounting bracket and a first transmission disc is fixedly mounted at its end. A synchronous belt is fitted on the outer surface of the first transmission disc, and the other end of the synchronous belt is fitted on the outer surface of the second transmission disc. The second transmission disc is fixedly mounted on the upper surface of the motor's output shaft. The motor is fixedly mounted inside the expansion plate and the output shaft rotates through the mounting bracket.

[0009] Preferably, the diameter of the first transmission disc is smaller than that of the second transmission disc.

[0010] Preferably, the clamping force detection mechanism includes a clamping plate, and each of the four corners of one end of the clamping plate is fixedly installed with a sliding column, so that the clamping plate slides through the first connecting plate and the box cylinder through the sliding column, and the box cylinder is fixedly installed at one end of the first connecting plate.

[0011] Preferably, a connecting plate is fixedly installed on the outer surface of each of the four sets of sliding columns and is located inside the housing. A spring is fitted on the outer surface of each of the four sets of sliding columns. One end of the spring is fixedly connected to one end of the connecting plate, and the other end of the spring is fixedly connected to one end of the pressure contact plate. The pressure contact plate is slidably installed on the outer surface of the four sets of sliding columns and can contact one end of the pressure sensor. The pressure sensor is fixedly installed inside the housing.

[0012] Preferably, the signal transmitting end of the pressure sensor is connected to the signal receiving end of the controller, and the control output end of the controller is electrically connected to the electronic control end of the motor. The pressure sensor and controller are model numbers CYB-36S and TG400, respectively.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. Through the design of the motor, first transmission disc, second transmission disc, first connecting plate, second connecting plate, conveyor belt, and clamping force detection mechanism, when clamping the workpiece, it can be placed on the worktable between the first and second connecting plates. Then, the motor can be started to drive the second transmission disc to rotate synchronously through the output shaft. Since the second transmission disc is connected to the first transmission disc through the synchronous belt, and the diameter of the second transmission disc is smaller than that of the first transmission disc, the first transmission disc will rotate with the second transmission disc under the transmission action of the synchronous belt. Due to the diameter difference, a speed reduction transmission is achieved, which in turn drives the transmission column fixedly connected to it to rotate. When the transmission column rotates, it drives the conveyor belt fitted on its outer surface to run. At this time, the first connecting plate fixedly connected to one end of the conveyor belt will slide towards the second connecting plate along the guide groove opened at one end of the mounting frame under the drive of the conveyor belt. The expansion plate inside the mounting frame touches the two ends of the conveyor belt, which can effectively prevent the conveyor belt from collapsing inward and ensure the safety of the conveyor belt. The stability of the transmission ensures the smooth movement of the first connecting plate. As the first connecting plate moves, the clamping force detection mechanism, slidably mounted at one end, moves towards the second connecting plate. When the clamping force detection mechanism contacts the welding material placed between the first and second connecting plates and begins to clamp, it continuously monitors the current clamping force and transmits this information to the controller. The controller adjusts the motor's operation according to a preset appropriate clamping force range. If the detected clamping force is insufficient, the controller continues to operate the motor, causing the conveyor belt to further move the first connecting plate and the clamping force detection mechanism towards the second connecting plate, increasing the clamping force. If the detected clamping force is excessive, the controller reverses the motor or stops it to prevent damage to the welding material due to excessive pressure. Through this dynamic adjustment process, adaptive clamping of the welding material is achieved, ensuring welding quality.

[0014] 2. Through the design of the housing, pressing plate, sliding column, connecting plate, spring, pressure contact plate, and pressure sensor, when the first connecting plate moves the entire pressing force detection mechanism closer to the second connecting plate, the pressing plate will first contact the welding material. As the first connecting plate continues to move, the welding material generates a reaction force on the pressing plate, causing the pressing plate to slide into the housing. Since the pressing plate slides through the first connecting plate and the housing via the sliding columns at the four corners, the movement of the pressing plate will cause the sliding columns to slide through the housing. The connecting plate on the sliding column will also move inside the housing, thereby compressing the spring fitted on the outer surface of the sliding column. When the spring is compressed, it generates elastic force, which pushes the pressure contact plate to press against one end of the pressure sensor. The pressure sensor will then convert the received pressure signal into... The corresponding analog signal is transmitted to the controller through its signal transmitter. After receiving the signal, the controller analyzes and processes the pressure data, and then sends corresponding control commands to the motor's electronic control terminal according to the preset clamping force range. This adjusts the motor's operating state, thereby completing the entire clamping force detection and feedback control process. In this process, the spring also plays a buffering role, preventing the instantaneous impact force generated when the clamping plate comes into contact with the welding material from being directly transmitted to the pressure sensor, thus protecting the pressure sensor. It also makes the pressure transmission more stable and improves the accuracy of detection. The sliding cooperation of the slide column ensures the stability of the movement of components such as the clamping plate, connecting plate, and pressure contact plate, ensuring the reliability of the entire detection mechanism. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the first connecting plate and the second connecting plate of this utility model; Figure 3 This is a schematic diagram of the structure of the motor, transmission column, and conveyor belt of this utility model; Figure 4 This is a schematic diagram of the clamping force detection mechanism of this utility model.

[0016] In the diagram: 1. Workbench; 101. Mounting bracket; 102. Motor; 103. First transmission disc; 104. Second transmission disc; 105. Second connecting plate; 106. First connecting plate; 107. Conveyor belt; 108. Guide groove; 109. Expansion plate; 110. Transmission column; 2. Clamping force detection mechanism; 201. Box cylinder; 202. Clamping plate; 203. Sliding column; 204. Connecting disc; 205. Spring; 206. Pressure contact plate; 207. Pressure sensor. Detailed Implementation

[0017] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-4 This utility model provides a technical solution: like Figures 1-3 As shown, a high-frequency welding machine workbench with an adaptive clamping mechanism includes: a workbench 1, a mounting frame 101 fixedly mounted on one end of the upper surface of the workbench 1, two sets of transmission columns 110 rotatably mounted inside the mounting frame 101, a conveyor belt 107 fitted on the outer surface of the two sets of transmission columns 110, a first connecting plate 106 fixedly mounted on one end of the conveyor belt 107, and the first connecting plate 106 simultaneously sliding in a guide groove 108, the guide groove 108 being opened at one end of the mounting frame 101, a clamping force detection mechanism 2 slidably mounted on one end of the first connecting plate 106, the first connecting plate 106 and the second connecting plate 105 being horizontally opposite each other, and the second connecting plate 105 being fixedly mounted on one end of the mounting frame 101, so that the conveyor belt 107 can drive the first connecting plate 106 and the clamping force detection mechanism 2 to move closer to the second connecting plate 105 together.

[0019] An expansion plate 109 is fixedly installed inside the mounting bracket 101. The expansion plate 109 is fitted inside the conveyor belt 107 and can simultaneously abut against both ends of the inside of the conveyor belt 107, thereby preventing the conveyor belt 107 from collapsing inward.

[0020] One set of transmission columns 110 has its shaft rotating through to the upper surface of the mounting bracket 101, and a first transmission disc 103 is fixedly mounted at its end. A synchronous belt is fitted on the outer surface of the first transmission disc 103, and the other end of the synchronous belt is fitted on the outer surface of the second transmission disc 104. The second transmission disc 104 is fixedly mounted on the upper surface of the output shaft of the motor 102. The motor 102 is fixedly mounted inside the expansion plate 109 and allows the output shaft to rotate through the mounting bracket 101.

[0021] The diameter of the first transmission disc 103 is smaller than that of the second transmission disc 104.

[0022] Through the design of the motor 102, the first transmission disc 103, the second transmission disc 104, the first connecting plate 106, the second connecting plate 105, the conveyor belt 107, and the clamping force detection mechanism 2, when clamping the workpiece, it can be placed on the worktable 1 and positioned between the first connecting plate 106 and the second connecting plate 105. Then, the motor 102 can be started to drive the second transmission disc 104 to rotate synchronously via its output shaft. Since the second transmission disc 104 is connected to the first transmission disc 103 via a synchronous belt, and the diameter of the second transmission disc 104 is smaller than that of the first transmission disc 103, the clamping force detection mechanism 2 ensures that the workpiece is clamped. Under the transmission action, the first transmission disc 103 rotates with the second transmission disc 104, and the difference in diameter achieves speed reduction transmission, thereby driving the transmission column 110 fixedly connected to it to rotate. When the transmission column 110 rotates, it drives the conveyor belt 107 mounted on its outer surface to rotate. At this time, the first connecting plate 106 fixedly connected to one end of the conveyor belt 107 will slide along the guide groove 108 opened at one end of the mounting frame 101 towards the second connecting plate 105 under the drive of the conveyor belt 107. Meanwhile, the expansion plate 109 inside the mounting frame 101 touches the inside of the conveyor belt 107. At both ends, this effectively prevents the conveyor belt 107 from collapsing inward, ensuring the stability of the conveyor belt 107 transmission and thus ensuring the smooth movement of the first connecting plate 106. Subsequently, as the first connecting plate 106 moves, the clamping force detection mechanism 2, which is slidably installed at one end, will move closer to the second connecting plate 105. When the clamping force detection mechanism 2 contacts the welding material placed between the first connecting plate 106 and the second connecting plate 105 and begins to clamp, the clamping force detection mechanism 2 will detect the current clamping force in real time and transmit the detected force information to the controller for control. The controller adjusts the operation of motor 102 according to a preset appropriate clamping force range. If the detected clamping force is insufficient, the controller will control motor 102 to continue running, causing conveyor belt 107 to further drive the first connecting plate 106 and clamping force detection mechanism 2 to move towards the second connecting plate 105, increasing the clamping force. If the detected clamping force is too large, the controller will control motor 102 to run in reverse or stop running to avoid damage to the welding material due to excessive pressure. Through this dynamic adjustment process, the controller achieves adaptive clamping of the welding material, ensuring welding quality.

[0023] like Figure 4 As shown, the clamping force detection mechanism 2 includes a clamping plate 202. Each of the four corners of one end of the clamping plate 202 is fixedly installed with a sliding column 203, so that the clamping plate 202 slides through the sliding column 203 through the first connecting plate 106 and the box 201, while the box 201 is fixedly installed at one end of the first connecting plate 106.

[0024] The outer surfaces of the four sets of sliding columns 203 are all fixedly mounted with connecting plates 204 and are located inside the housing 201. The outer surfaces of the four sets of sliding columns 203 are all fitted with springs 205. One end of the spring 205 is fixedly connected to one end of the connecting plate 204, and the other end of the spring 205 is fixedly connected to one end of the pressure plate 206. The pressure plate 206 is slidably mounted on the outer surfaces of the four sets of sliding columns 203 and can abut against one end of the pressure sensor 207. The pressure sensor 207 is fixedly mounted inside the housing 201.

[0025] The signal transmitting end of the pressure sensor 207 is connected to the signal receiving end of the controller, while the control output end of the controller is electrically connected to the electrical control end of the motor 102. The pressure sensor 207 and the controller are model numbers CYB-36S and TG400, respectively.

[0026] Through the design of the housing 201, pressing plate 202, sliding column 203, connecting plate 204, spring 205, pressure contact plate 206, and pressure sensor 207, when the first connecting plate 106 drives the entire pressing force detection mechanism 2 to approach the second connecting plate 105, the pressing plate 202 will first come into contact with the welding material. As the first connecting plate 106 continues to move, the welding material generates a reaction force on the pressing plate 202, causing the pressing plate 202 to move towards the housing 201. The pressure plate 202 slides inward, and because the pressure plate 202 slides through the first connecting plate 106 and the housing 201 via the sliding columns 203 at the four corners, the movement of the pressure plate 202 will cause the sliding columns 203 to slide through the housing 201. The connecting plate 204 on the sliding column 203 will also move inside the housing 201, thereby compressing the spring 205 fitted on the outer surface of the sliding column 203. When the spring 205 is compressed, it will generate elastic force, which will push the pressure contact plate 206 to press against the pressure sensor. At one end of the device 207, the pressure sensor 207 converts the received pressure signal into a corresponding analog signal and transmits it to the controller through its signal transmitter. After receiving the signal, the controller analyzes and processes the pressure data, and then sends corresponding control commands to the electrical control terminal of the motor 102 according to the preset clamping force range, thereby adjusting the operating state of the motor 102 and completing the entire clamping force detection and feedback control process. In this process, the spring 205 also plays a buffering role, preventing the instantaneous impact force generated when the clamping plate 202 comes into contact with the welding material from being directly transmitted to the pressure sensor 207, protecting the pressure sensor 207, and making the pressure transmission more stable and improving the detection accuracy. The sliding cooperation of the slide column 203 ensures the stability of the movement of components such as the clamping plate 202, connecting plate 204, and pressure contact plate 206, ensuring the reliability of the entire detection mechanism.

[0027] Based on the above technical solution, the working steps of this solution are summarized as follows: When clamping the workpiece, it can be placed on the worktable 1 and positioned between the first connecting plate 106 and the second connecting plate 105. Then, the motor 102 can be started to drive the second transmission disk 104 to rotate synchronously through the output shaft. Since the second transmission disk 104 is connected to the first transmission disk 103 through a synchronous belt, and the diameter of the second transmission disk 104 is smaller than that of the first transmission disk 103, under the transmission action of the synchronous belt, the first transmission disk 103 will rotate with the second transmission disk 104, and the difference in diameter will achieve speed reduction transmission, thereby driving... The transmission column 110, which is fixedly connected to it, rotates. When the transmission column 110 rotates, it drives the conveyor belt 107, which is mounted on its outer surface, to rotate. At this time, the first connecting plate 106, which is fixedly connected to one end of the conveyor belt 107, slides along the guide groove 108 opened at one end of the mounting frame 101 towards the second connecting plate 105 under the drive of the conveyor belt 107. Meanwhile, the expansion plate 109 inside the mounting frame 101 touches the two ends inside the conveyor belt 107, which can effectively prevent the conveyor belt 107 from collapsing inward and ensure the stability of the transmission of the conveyor belt 107, thereby ensuring the stability of the first connecting plate 106. The movement is smooth. Following the movement of the first connecting plate 106, the clamping plate 202 first contacts the welding material. As the first connecting plate 106 continues to move, the welding material exerts a reaction force on the clamping plate 202, causing it to slide into the housing 201. Since the clamping plate 202 slides through the first connecting plate 106 and the housing 201 via the four corner sliding posts 203, its movement causes the sliding posts 203 to slide through the housing 201. The connecting disc 204 on the sliding post 203 also moves within the housing 201, thereby compressing the fittings on the sliding posts 202. The outer surface of the spring 205 generates elastic force when compressed. This elastic force pushes the pressure plate 206 to press against one end of the pressure sensor 207. The pressure sensor 207 converts the received pressure signal into a corresponding analog signal and transmits it to the controller through its signal transmitter. After receiving the signal, the controller analyzes and processes the pressure data and sends corresponding control commands to the electrical control terminal of the motor 102 according to the preset clamping force range. This adjusts the operating state of the motor 102, thereby completing the entire clamping force detection and feedback control process.

[0028] In summary, by adjusting the clamping state of the welded parts, adaptive clamping of the welding materials is achieved, avoiding damage to the welding materials due to excessive or insufficient pressure, and ensuring welding quality.

[0029] All parts not described in this utility model are the same as or can be implemented using existing technology. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-frequency welding machine worktable with an adaptive clamping mechanism, characterized in that, include: A workbench (1) is fixedly mounted on one end of its upper surface. Two sets of transmission columns (110) are rotatably mounted inside the workbench (101). A conveyor belt (107) is fitted on the outer surface of the two sets of transmission columns (110). A first connecting plate (106) is fixedly mounted on one end of the conveyor belt (107), and the first connecting plate (106) slides in the guide groove (108) at the same time. The guide groove (108) is opened at one end of the workbench (101). A pressing force detection mechanism (2) is slidably mounted on one end of the first connecting plate (106). The first connecting plate (106) and the second connecting plate (105) are horizontally opposite each other, and the second connecting plate (105) is fixedly mounted on one end of the workbench (101). This allows the conveyor belt (107) to drive the first connecting plate (106) and the pressing force detection mechanism (2) to move closer to the second connecting plate (105).

2. The high-frequency welding machine workbench with an adaptive clamping mechanism according to claim 1, characterized in that: An expansion plate (109) is fixedly installed inside the mounting bracket (101). The expansion plate (109) is fitted inside the conveyor belt (107) and can simultaneously abut against both ends of the inside of the conveyor belt (107), thereby preventing the conveyor belt (107) from collapsing inward.

3. A high-frequency welding machine workbench with an adaptive clamping mechanism according to claim 1, characterized in that: One set of the drive columns (110) has a shaft that rotates through to the upper surface of the mounting bracket (101) and has a first drive disc (103) fixedly mounted at its end. The outer surface of the first drive disc (103) is fitted with a synchronous belt, and the other end of the synchronous belt is fitted on the outer surface of the second drive disc (104). The second drive disc (104) is fixedly mounted on the upper surface of the output shaft of the motor (102). The motor (102) is fixedly mounted inside the expansion plate (109) and allows the output shaft to rotate through the mounting bracket (101).

4. A high-frequency welding machine workbench with an adaptive clamping mechanism according to claim 3, characterized in that: The diameter of the first transmission disk (103) is smaller than that of the second transmission disk (104).

5. A high-frequency welding machine workbench with an adaptive clamping mechanism according to claim 3, characterized in that: The clamping force detection mechanism (2) includes a clamping plate (202), and sliding columns (203) are fixedly installed at the four corners of one end of the clamping plate (202), so that the clamping plate (202) slides through the first connecting plate (106) and the box (201) through the sliding columns (203), and the box (201) is fixedly installed at one end of the first connecting plate (106).

6. A high-frequency welding machine workbench with an adaptive clamping mechanism according to claim 5, characterized in that: The outer surfaces of the four sets of sliding columns (203) are all fixedly mounted with connecting plates (204) and are located inside the housing (201). The outer surfaces of the four sets of sliding columns (203) are all fitted with springs (205). One end of the spring (205) is fixedly connected to one end of the connecting plate (204), while the other end of the spring (205) is fixedly connected to one end of the pressure plate (206). The pressure plate (206) is slidably mounted on the outer surfaces of the four sets of sliding columns (203) and can touch one end of the pressure sensor (207). The pressure sensor (207) is fixedly mounted inside the housing (201).

7. A high-frequency welding machine workbench with an adaptive clamping mechanism according to claim 6, characterized in that: The signal transmitting end of the pressure sensor (207) is connected to the signal receiving end of the controller, and the control output end of the controller is electrically connected to the electrical control end of the motor (102).

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