Calibrating device for torque control screen tensiometer

Abstract

The utility model discloses a torque control silk screen tensiometer calibration device, which relates to the technical field of torque control silk screen tensiometer calibration and comprises a device base, a detection table is arranged at the upper end of the inner side of the device base, and displacement seats are movably connected to the four ends of the inner wall of the detection table. According to the calibration device for the torque control silk screen tensiometer, when one transmission gear rotates through a servo motor, the transmission gear enables four displacement seats to move at the same time through a transmission circular ring, so that the four displacement seats pull the four ends of a torque control silk screen at the same time; the situation that the torque control silk screen is unstable or different in tensile force in the tensile force applying process, consequently, the stress needs to be continuously adjusted again in the calibration process, and the error of the measurement result is increased is effectively prevented, and one servo motor drives four displacement seats to move, so that the accuracy of the measurement result is improved. And energy consumption caused by the fact that a plurality of motors drive the displacement base to move is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of torque-controlled wire mesh tension meter calibration devices, in particular to a torque-controlled wire mesh tension meter calibration device. Background Art

[0002] Screen printing has strong printing adaptability, thick ink layer, strong three-dimensional effect, strong light resistance, large printing area, etc., and is widely used in surface printing of various products. In the process of screen printing, the selection of screen, screen frame and screen making process all involve the problem of screen tension measurement. Screen tension directly affects the gap between the screen and the carrier during printing, and is a basic factor in the printability and printing accuracy of the screen printing plate. Control of screen tension is an important factor in improving the quality of screen printing.

[0003] For example, patent No. CN201822212365.7 discloses a torque-controlled wire mesh tension meter calibration device, including a mounting platform, a stretching frame, four winding rollers, four torque sensors, a driving device, a control device, and a cross wire mesh. The stretching frame is installed on the top plane of the mounting platform, and the four winding rollers are respectively installed below the two sides of the stretching frame in the X direction and the Y direction, and are rotatably connected to the mounting platform. One end of each winding roller is driven and connected to the output end of the driving device through each torque sensor, and the torque sensor and the driving device are electrically connected to the control device respectively. The four sides of the cross wire mesh are respectively clamped in the axial direction of the four winding rollers and tensioned after passing through the stretching frame; wherein the X direction and the Y direction are perpendicular to each other. The utility model installation platform includes four support columns and a platform bottom plate, and the two ends of each of the curling rollers are respectively connected to the two adjacent support columns for rotation, so as to avoid the friction between the cross wire mesh and the workbench during the tensioning process, and improve the measurement accuracy. The driving device includes a servo motor and a reducer, and the servo motor is connected to the torque sensor through the reducer. The reducer can effectively reduce the rotation speed of the servo motor, so that the driving device slowly drives the curling roller to rotate. The driving device also includes four couplings, and there are four servo motors and four reducers respectively. The four curling rollers are respectively driven by four servo motors, so as to facilitate the adjustment of the tension of the cross wire mesh in all directions.

[0004] The wire mesh tension meter calibration device in this patent is driven by four servo motors. If one of the servo motors has a problem, it may cause inaccurate measurement results of the tension meter calibration. Moreover, if four servo motors are driven simultaneously, the energy consumption of the device will increase. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a torque-controlled wire mesh tension meter calibration device, which solves the problem that the wire mesh tension meter calibration device is driven by four servo motors, and if one of the servo motors has a problem, the tension meter calibration result may be inaccurate, and if the four servo motors are driven simultaneously, the energy consumption of the device will increase.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a torque-controlled wire mesh tension meter calibration device, comprising a device base, a detection platform is provided at the upper end of the inner side of the device base, the four ends of the inner wall of the detection platform are movably connected with a displacement seat, the upper end of the displacement seat is provided with a knob, the bottom end of the knob extends through to the inner side of the displacement seat, a clamping block is provided at the front end of the displacement seat, the bottom end of the displacement seat is located on the inner side of the detection platform and is provided with a transmission ring, the four ends of the inner wall of the transmission ring are provided with transmission gears, and the upper end of the transmission gear extends to one side of the displacement seat.

[0007] Preferably, a displacement groove is provided on the upper end surface of the detection platform below the displacement seat, and the bottom end of the displacement seat passes through the displacement groove and extends to the inner side of the detection platform.

[0008] Preferably, there are four transmission gears, with tooth blocks at both ends of the transmission gear, a rack is provided on one side above the transmission gear at the bottom end of the displacement seat, and the transmission gear is respectively connected to the transmission ring and the displacement seat through the tooth blocks.

[0009] Preferably, a servo motor is provided below one of the transmission gears at the bottom end of the inner wall of the testing platform, the bottom end of the transmission gear is located at the output end of the top of the servo motor, and the servo motor is connected to the transmission gear through a coupling.

[0010] Preferably, a movable groove is provided on the inner side of the displacement seat at the rear of the clamping block, and the rear end of the clamping block is plugged into the inner side of the movable groove.

[0011] Preferably, a screw rod is provided at the bottom end of the knob located on the inner side of the displacement seat, a threaded hole is provided below the screw rod located on the inner side of the clamping block, and the screw rod passes through the threaded hole and extends to the bottom end of the inner wall of the movable groove.

[0012] Preferably, the opposing surfaces of the clamping block and the displacement seat are both provided with pressure blocks, and the clamping block and the pressure blocks inside the displacement seat are arranged in a staggered manner. Beneficial Effects

[0013] The utility model provides a torque-controlled wire mesh tension meter calibration device. Compared with the prior art, it has the following beneficial effects:

[0014] 1. By rotating the knob, the knob causes the clamping block to move downward through the screw rod during the rotation process, and the opposite surfaces of the clamping block and the displacement seat are provided with pressure blocks, and the pressure blocks on the inner sides of the clamping block and the displacement seat are arranged in a staggered manner, thereby increasing the force area of ​​the clamping block and the displacement seat on the torque control wire mesh, and improving the clamping force of the clamping block and the displacement seat on the torque control wire mesh.

[0015] 2. When one of the transmission gears is rotated by the servo motor, one of the transmission gears drives the other transmission gears to rotate at the same time through the transmission ring, so that the four transmission gears drive the four displacement seats to move at the same time during the rotation process, so that the four displacement seats can pull the four ends of the torque control screen at the same time, effectively preventing the instability or different pulling forces in the process of applying tension to the torque control screen, which causes the calibration process to need to constantly readjust the force size, so that the error of the measurement result increases. In addition, the four displacement seats are driven to move by a servo motor, which reduces the energy consumption caused by multiple motors driving the displacement seats to move, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the transmission gear of the utility model.

[0018] Figure 3 It is a schematic diagram of the internal structure of the displacement seat of the utility model.

[0019] In the figure: 1. device base; 2. detection table; 201. displacement slot; 3. displacement seat; 301. movable slot; 4. knob; 5. clamping block; 6. rack; 7. transmission gear; 8. transmission ring; 9. pressure block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3The utility model provides a technical solution: a torque-controlled wire mesh tension meter calibration device, comprising a device base 1, a detection platform 2 is provided at the upper end of the inner side of the device base 1, and a displacement seat 3 is movably connected to the four ends of the inner wall of the detection platform 2, and a displacement groove 201 is provided on the upper end surface of the detection platform 2 below the displacement seat 3, and the bottom end of the displacement seat 3 passes through the displacement groove 201 and extends to the inner side of the detection platform 2, so that the displacement seat 3 can perform displacement movement on the inner side of the detection platform 2;

[0022] The upper end of the displacement seat 3 is provided with a knob 4, the bottom end of the knob 4 extends through the inner side of the displacement seat 3, the front end of the displacement seat 3 is provided with a clamping block 5, the opposite surfaces of the clamping block 5 and the displacement seat 3 are provided with a pressure block 9, the clamping block 5 and the pressure block 9 inside the displacement seat 3 are arranged in a staggered manner, the rear of the clamping block 5 is located on the inner side of the displacement seat 3 and is provided with a movable groove 301, the rear end of the clamping block 5 is plugged into the inner side of the movable groove 301, the bottom end of the knob 4 is located on the inner side of the displacement seat 3 and is provided with a screw rod, and the lower part of the screw rod is located at the clamping block A threaded hole is provided on the inner side of 5, and a screw rod penetrates the threaded hole and extends to the bottom end of the inner wall of the movable groove 301, and then by rotating the knob 4, the knob 4 causes the clamping block 5 to move downward through the screw rod during the rotation process, and the clamping block 5 and the displacement seat 3 are provided with a pressure block 9 on the opposite surface, and the clamping block 5 and the pressure block 9 on the inner side of the displacement seat 3 are staggered, thereby increasing the force area of ​​the clamping block 5 and the displacement seat 3 on the torque control wire mesh, and improving the clamping force of the clamping block 5 and the displacement seat 3 on the torque control wire mesh;

[0023] The bottom end of the displacement seat 3 is located on the inner side of the detection table 2 and is provided with a transmission ring 8. The four ends of the inner wall of the transmission ring 8 are provided with transmission gears 7. The upper end of the transmission gear 7 extends to one side of the displacement seat 3. There are four transmission gears 7. The upper and lower ends of the transmission gear 7 are provided with tooth blocks. One side above the transmission gear 7 is located at the bottom end of the displacement seat 3 and is provided with a rack 6. The transmission gear 7 is respectively connected to the transmission ring 8 and the displacement seat 3 through the tooth blocks. A servo motor is provided at the bottom end of the inner wall of the detection table 2 below one of the transmission gears 7. The bottom end of the transmission gear 7 is located at the output end of the top of the servo motor. The servo motor is connected to the transmission gear 7 through a coupling. When one of the transmission gears 7 is When the servo motor rotates, one of the transmission gears 7 drives the other transmission gears 7 to rotate simultaneously through the transmission ring 8, so that the four transmission gears 7 drive the four displacement seats 3 to move simultaneously during the rotation process, so that the four displacement seats 3 can pull the four ends of the torque control screen at the same time, and effectively prevent the instability or different pulling forces in the process of applying tension to the torque control screen, which will cause the calibration process to require continuous readjustment of the force, resulting in an increase in the error of the measurement result. By driving the four displacement seats 3 to move by a servo motor, the energy consumption caused by multiple motors driving the displacement seats 3 to move is reduced, thereby improving work efficiency.

[0024] During operation, first put the torque control screen into the inner side of the displacement seat 3 in the detection table 2, and then rotate the knob 4. During the rotation of the knob 4, the clamping block 5 is caused to move downward through the screw rod, and the opposite surfaces of the clamping block 5 and the displacement seat 3 are provided with pressure blocks 9. The clamping blocks 5 and the pressure blocks 9 inside the displacement seat 3 are arranged in a staggered manner, thereby increasing the force bearing area of ​​the clamping block 5 and the displacement seat 3 on the torque control screen, and improving the clamping force of the clamping block 5 and the displacement seat 3 on the torque control screen. Then, the power is turned on to start the device. When one of the transmission gears 7 is rotated by the servo motor, one of the transmission gears 7 is driven by the servo motor. The transmission ring 8 drives the other transmission gears 7 to rotate at the same time, so that the four transmission gears 7 drive the four displacement seats 3 to move at the same time during the rotation process, so that the four displacement seats 3 can pull the four ends of the torque control screen at the same time, and effectively prevent the torque control screen from being unstable or having different pulling forces in the process of applying pulling force, which will cause the calibration process to need to constantly readjust the force size, thereby increasing the error of the measurement result. The four displacement seats 3 are driven to move by a servo motor, which reduces the energy consumption caused by multiple motors driving the displacement seats 3 to move, thereby improving work efficiency.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A torque-controlled wire mesh tension gauge calibration device, comprising a device base (1), characterized in that: A detection platform (2) is provided at the upper end of the inner side of the device base (1); the four ends of the inner wall of the detection platform (2) are movably connected with a displacement seat (3); a knob (4) is provided at the upper end of the displacement seat (3); the bottom end of the knob (4) extends through the inner side of the displacement seat (3); a clamping block (5) is provided at the front end of the displacement seat (3); a transmission ring (8) is provided at the bottom end of the displacement seat (3) located on the inner side of the detection platform (2); transmission gears (7) are provided at the four ends of the inner wall of the transmission ring (8); the upper end of the transmission gear (7) extends to one side of the displacement seat (3).

2. A torque-controlled wire mesh tension gauge calibration device according to claim 1, characterized in that: A displacement groove (201) is provided on the upper end surface of the detection platform (2) below the displacement seat (3), and the bottom end of the displacement seat (3) passes through the displacement groove (201) and extends to the inner side of the detection platform (2).

3. The torque-controlled wire mesh tension meter calibration device according to claim 1, characterized in that: Four transmission gears (7) are provided, and tooth blocks are provided at both upper and lower ends of the transmission gear (7). A rack (6) is provided on one side above the transmission gear (7) and at the bottom end of the displacement seat (3). The transmission gear (7) is respectively connected to the transmission ring (8) and the displacement seat (3) through the tooth blocks.

4. A torque-controlled wire mesh tension meter calibration device according to claim 3, characterized in that: A servo motor is provided below one of the transmission gears (7) at the bottom end of the inner wall of the detection platform (2); the bottom end of the transmission gear (7) is located at the output end of the top of the servo motor; the servo motor is connected to the transmission gear (7) via a coupling.

5. The torque-controlled wire mesh tension meter calibration device according to claim 1, characterized in that: A movable groove (301) is provided on the inner side of the displacement seat (3) at the rear of the clamping block (5), and the rear end of the clamping block (5) is plugged into the inner side of the movable groove (301).

6. A torque-controlled wire mesh tension meter calibration device according to claim 1, characterized in that: The bottom end of the knob (4) is located on the inner side of the displacement seat (3) and is provided with a screw rod. Below the screw rod, a threaded hole is provided on the inner side of the clamping block (5). The screw rod passes through the threaded hole and extends to the bottom end of the inner wall of the movable groove (301).

7. A torque-controlled wire mesh tension gauge calibration device according to claim 1, characterized in that: The opposing surfaces of the clamping block (5) and the displacement seat (3) are both provided with pressing blocks (9), and the clamping block (5) and the pressing blocks (9) inside the displacement seat (3) are arranged in a staggered manner.

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