Deviation correction transmission device

Abstract

The utility model discloses a deviation rectifying transmission device which comprises a main cross beam. The executing mechanism is used for clamping or pulling the thin film; the moving mechanism comprises a transverse moving part, the executing mechanism is arranged on the transverse moving part, and the transverse moving part is arranged on the main cross beam in a sliding mode and used for driving the executing mechanism to move in the length direction of the main cross beam; the driving mechanism is arranged on the main cross beam, and the driving mechanism is connected to the moving mechanism and used for driving the transverse moving part to slide on the main cross beam; the deviation rectifying sensing mechanism is arranged on the transverse moving part and comprises a sensing assembly and a deviation rectifying adjusting assembly, the sensing assembly is used for detecting the deviation amount of the thin film and feeding back the deviation amount to the driving mechanism, and the deviation rectifying adjusting assembly is used for adjusting the position of the sensing assembly. The film deviation rectifying mechanism has the advantages that the deviation rectifying middle position can be set according to different film widths and deviation rectifying requirements, amplitude modulation and deviation rectifying are combined into the same-stage mechanism, flexibility is high, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of film production, in particular to a deviation-correcting transmission device. Background Art

[0002] In the production process of the film, during the transfer between various processes, the film position may shift due to the non-parallel installation of equipment positions or some roller structures, so it is necessary to add a film correction device between each process.

[0003] Existing film correction devices are usually driven by electric cylinders, but the driving stroke of the electric cylinders is limited by the electric cylinder structure, so only short-stroke correction structures can be made. When the film width is wide or the film width specifications are more, it is also necessary to add a width modulation mechanism for lateral movement to adjust the width. The added structure is complex, costly, and inconvenient in actual use.

[0004] In view of this, the purpose of the utility model is to provide a new technical solution to solve the existing technical problems. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a deviation correction transmission device, which solves the problem that the amplitude modulation mechanism and the deviation correction mechanism of the prior deviation correction structure are separately arranged with a complex structure and inconvenient to use.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A deviation-correcting transmission device comprises: a main crossbeam;

[0008] An actuator, the actuator is used to clamp or pull the film;

[0009] A moving mechanism, wherein the moving mechanism comprises a transverse moving member, the actuator is arranged on the transverse moving member, and the transverse moving member is slidably arranged on the main crossbeam to drive the actuator to move along the length direction of the main crossbeam;

[0010] A driving mechanism, the driving mechanism is arranged on the main beam, and the driving mechanism is connected to the moving mechanism to drive the transverse member to slide on the main beam;

[0011] The deflection correction sensor mechanism is arranged on the transverse moving member, and the deflection correction sensor mechanism includes a sensor component and a deflection correction adjustment component. The sensor component is used to detect the film deviation and feed back to the driving mechanism, and the deflection correction adjustment component is used to adjust the position of the sensor component.

[0012] In the above structure, the correction sensing mechanism includes an adjusting screw, a movable bearing seat and a guide shaft, the adjusting screw and the movable bearing seat cooperate with each other, a linear bearing is arranged on the movable bearing seat, the guide shaft is connected to the movable bearing seat through the linear bearing, a guide mounting seat is arranged at one end of the guide shaft, the guide mounting seat is fixedly connected to the transverse moving member, the end of the guide shaft away from the guide mounting seat is fixedly connected to a connecting plate, one end of the adjusting screw passes through the connecting plate and is fixedly connected to a handwheel.

[0013] In the above structure, the sensor assembly includes a correction sensor and an adjustment seat, a correction fixing seat is arranged on the movable bearing seat, the adjustment seat can be raised and lowered on the correction fixing seat, and the correction sensor is arranged on the adjustment seat.

[0014] In the above structure, a clamping hole is provided on the adjustment seat, and the deviation correction sensor can be rotatably arranged in the clamping hole.

[0015] In the above structure, the moving mechanism also includes a screw nut assembly, and two groups of the screw nut assemblies are arranged in the length direction of the main beam. The screw nut assembly includes a transmission screw and a screw nut. The transmission screw cooperates with the screw nut. The input end of the transmission screw is connected to the driving mechanism, and the end of the transmission screw away from the driving mechanism is rotatably connected to the main beam, the transverse member is connected to the screw nut, and the end of the transmission screw away from the driving mechanism is provided with a soft limit block.

[0016] In the above structure, the driving mechanism includes a driving source and a transmission assembly, the transmission assembly includes a first transmission wheel, a second transmission wheel and a transmission belt, the transmission belt is connected end to end and is sleeved on the outer peripheral side of the first transmission wheel and the second transmission wheel, the main crossbeam is provided with side plates at opposite ends, the input end of the transmission screw is rotatably connected to the side plate and the end of the transmission screw passes through the side plate, one end of the transmission screw passing through the side plate is connected to the second transmission wheel, the driving source is fixedly connected to the side plate and its output end is connected to the first transmission wheel.

[0017] In the above structure, the driving mechanism also includes a tensioning idler wheel assembly, which includes a tensioning fixed seat, a tensioning mounting seat and a tensioning wheel. The tensioning fixed seat is fixedly connected to one side of the side plate, and the tensioning wheel is mounted on the tensioning mounting seat. The tensioning mounting seat is adjustably arranged on the side plate toward or away from the transmission belt, and an adjusting bolt is fixedly connected to the tensioning mounting seat, and the end of the adjusting bolt away from the tensioning mounting seat passes through the tensioning fixed seat.

[0018] In the above structure, a connecting pin is fixedly provided on the side of the screw nut facing the transverse member, and the connecting pin is connected to the transverse member.

[0019] In the above structure, the transverse moving member is a moving trolley, and the moving trolley is provided with rollers. The rollers roll on the main cross beam. A pin hole is opened at the bottom of the moving trolley, and one end of the connecting pin away from the screw nut is fixedly set in the pin hole. The actuator is set on the moving trolley, and the rollers roll in the limit groove.

[0020] In the above structure, the transverse moving member is a moving plate, a linear guide is arranged on the main beam, a slider is arranged at the bottom of the moving plate, the slider slides on the linear guide, and the end of the connecting pin away from the screw nut is fixedly connected to the moving plate.

[0021] The beneficial effects of the utility model are as follows: by setting the deviation correction adjustment component, the device can set the deviation correction middle position according to different film widths and deviation correction requirements, and sense the left and right deviation of the film through the deviation correction sensor, and feed back the position information to the control center and then transmit the signal to the driving source, and the driving source transmits power to the moving mechanism according to the signal to drive the actuator to move left and right for deviation correction. The transmission screw can be customized to different lengths according to the width requirements and the film width specifications, and can be flexibly used in multiple process sections of the film production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a side schematic diagram of an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the deviation correction sensor mechanism in the utility model;

[0026] Figure 4 It is a schematic diagram of the connection structure of the tension idler wheel assembly in the utility model;

[0027] Figure 5 It is a cross-sectional view of an embodiment of the utility model;

[0028] Figure 6 It is a cross-sectional view of another embodiment of the present invention.

[0029] Reference numerals:

[0030] 1. Main beam; 11. Floating bearing seat; 12. Side plate; 121. Mounting groove; 122. Mounting bolt; 13. Fixed bearing seat; 14. Linear guide; 15. Limiting groove;

[0031] 2. Executive body;

[0032] 340, mobile mechanism;

[0033] 3. Transverse moving part; 311. Moving trolley; 312. Moving plate; 3121. Sliding block;

[0034] 4. Screw nut assembly; 41. Transmission screw; 411. Soft limit block; 42. Screw nut; 421. Connecting pin;

[0035] 590, driving mechanism;

[0036] 5. Transmission assembly; 51. First transmission wheel; 52. Second transmission wheel; 53. Transmission belt;

[0037] 6. Tensioning idler assembly; 61. Tensioning fixing seat; 62. Tensioning mounting seat; 621. Mounting waist hole; 622. Adjusting bolt; 63. Tensioning wheel;

[0038] 780, deviation correction sensor mechanism;

[0039] 7. Sensing assembly; 71. Correction sensor; 72. Adjustment seat; 721. Clamping hole; 722. Adjustment waist hole;

[0040] 8. Correction adjustment assembly; 81. Adjustment screw; 82. Moving bearing seat; 821. Correction fixing seat; 8211. Fixing bolt; 83. Guide shaft; 84. Connecting plate; 85. Guide mounting seat; 86. Hand wheel;

[0041] 9. driving source; 91. coupling; 92. driving shaft;

[0042] 10. Film. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-6 The utility model is further described.

[0044] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0045] Reference Figures 1 to 6The utility model provides a deviation correction transmission device, which can customize the deviation correction stroke and amplitude modulation stroke according to actual production needs, and the amplitude modulation and deviation correction are combined into the same level mechanism, which has high flexibility and low cost, and can be applied to the deviation correction working conditions of the film 10 production process, and can also be applied to the deviation correction working conditions of the entrance, and can also be applied to the deviation correction of films 10 of various width specifications. The deviation correction transmission device includes a main beam 1 and an actuator 2, a moving mechanism 340, a driving mechanism 590 and a deviation correction sensor mechanism 780 arranged on the main beam 1. Among them, the main crossbeam 1 is used to carry the components of the above mechanisms to ensure the stability and strength of the installation connection of the entire device; the actuator 2 is arranged on the mobile mechanism 340, and is used to clamp or pull the film 10 to realize the transmission and deviation correction of the film 10. The actuator 2 can be a chain clamp structure, or a needle plate or other end execution structure can be selected according to actual conditions. The actuator 2 clamps or inserts the edge of the film 10; the mobile mechanism 340 is used to drive the actuator 2 to move along the length direction of the main crossbeam 1; the driving mechanism 590 is connected to the mobile mechanism 340 to provide driving force to the mobile mechanism 340; the deviation correction sensor mechanism 780 is used to detect the deviation of the film 10 and feed it back to the driving mechanism 590. The driving mechanism 590 receives the deviation correction signal from the deviation correction sensor mechanism 780, drives the mobile mechanism 340 to operate, and drives the actuator 2 to pull the film 10 to achieve deviation correction. In this embodiment, the actuator 2 adopts a chain clamp structure. Since the chain clamp structure is a prior art, the specific structure and working principle of the chain clamp structure are not described in detail in this embodiment.

[0046] Reference Figure 1 The main crossbeam 1 is used to carry various components. Specifically, the main crossbeam 1 is the installation base of the entire device. The structure of the main crossbeam 1 includes but is not limited to structural forms such as profile welded beams, machined plate welded beams, and machined mounting plates. In order to ensure the stability and strength of the device installation, the material of the main crossbeam 1 can be selected from metal alloy materials with high rigidity and strength. In this embodiment, the main crossbeam 1 is a profile welded beam structure. In other embodiments, the structural form of the main crossbeam 1 can be adaptively selected according to actual needs. This application does not limit the specific structure of the main crossbeam 1, as long as it can play the above role.

[0047] Reference Figures 1 to 3The deflection correction sensor mechanism 780 includes a sensor component 7 and a deflection correction adjustment component 8, wherein the sensor component 7 is used to detect the offset of the film 10 and feed back the signal to the driving mechanism 590, and the deflection correction adjustment component 8 is used to adjust the position of the sensor component 7, so that the deflection correction transmission device can be applicable to the deflection correction of films 10 of various width specifications. Among them, the deflection correction adjustment component 8 includes an adjustment screw 81, a movable bearing seat 82 and a guide shaft 83, wherein a linear bearing is embedded in the movable bearing seat 82, and the guide shaft 83 is connected to the movable bearing seat 82 through a linear bearing, and the adjustment screw 81 and the movable bearing seat 82 are matched to form a screw and nut structure, and when the adjustment screw 81 is rotated, the movable bearing seat 82 can move along the length direction of the guide shaft 83.

[0048] Further, in this embodiment, there are two guide shafts 83, and the two guide shafts 83 are symmetrically arranged on both sides of the adjusting screw 81 through linear bearings, and bearing retaining rings are arranged on opposite sides of the linear bearings for limiting, so as to reduce the possibility of the linear bearings being separated from the movable bearing seat 82. The length direction of the guide shaft 83 is parallel to the length direction of the adjusting screw 81. The ends of the same side of the two guide shafts 83 are fixedly connected with a connecting plate 84, the adjusting screw 81 is rotatably connected to the connecting plate 84, and one end of the adjusting screw 81 passes through the connecting plate 84, and the ends of the two guide shafts 83 away from the connecting plate 84 are fixedly connected with a guide mounting seat 85. A threaded hole matching the adjusting screw 81 is opened in the middle of the movable bearing seat 82, the adjusting screw 81 is threadedly connected to the threaded hole, and one end of the adjusting screw 81 passing through the connecting plate 84 is fixedly connected with a hand wheel 86, and the adjusting screw 81 can be driven to rotate by turning the hand wheel 86, thereby driving the movable bearing seat 82 to move axially along the guide shaft 83, which is conducive to reducing the difficulty of operating the deviation correction adjustment component 8. In other embodiments, one end of the adjusting screw rod 81 passing through the connecting plate 84 can be connected to other structures that assist in rotating the adjusting screw rod 81 , such as a rotating handle, etc., which is not limited here.

[0049] Reference Figure 3Further, the sensor assembly 7 includes a deflection correction sensor 71 and an adjustment seat 72. A deflection correction fixed seat 821 is fixedly installed on the upper end surface of the movable bearing seat 82. The adjustment seat 72 is fixedly connected to the guide mounting seat 85. A clamping hole 721 is provided on the adjustment seat 72. The deflection correction sensor 71 can be rotatably set in the clamping hole 721. A fastener for locking the clamping hole 721 is provided on the adjustment seat 72. When in use, the fastener for locking the clamping hole 721 can be loosened first. At this time, the deflection correction sensor 71 can be rotated to adjust the angle between the deflection correction sensor 71 and the film surface of the film 10. When adjusted to the desired deflection angle, the fastener is locked to fix the deflection angle of the deflection correction sensor 71. The deflection correction sensor 71 can be rotatably set on the adjustment seat 72, which is conducive to the deflection correction sensor 71 to better sense the film 10, making the sensing result more accurate. The fastener can be a common fastener such as a bolt. The deflection correction sensor 71 includes but is not limited to ultrasonic, photoelectric, pneumatic and other sensing methods.

[0050] Furthermore, the adjustment seat 72 can be raised and lowered on the correction fixing seat 821. Specifically, the adjustment seat 72 is provided with an adjustment waist-shaped hole 722, which is provided in the vertical direction. The correction fixing seat 821 is provided with a fixing bolt 8211, and the tail of the fixing bolt 8211 passes through the adjustment waist-shaped hole 722 and is threadedly connected to the correction fixing seat 821. When it is necessary to adjust the position of the correction sensor 71 in the vertical direction, the fixing bolt 8211 can be loosened, and the adjustment seat 72 can be slid up and down. When it is adjusted to the appropriate position, the adjustment seat 72 and the correction fixing seat 821 can be connected and fixed with the fixing bolt 8211. The correction sensor 71 is arranged to be highly adjustable in the vertical direction, which is conducive to the correction sensor mechanism 780 being applicable to more different working conditions and increasing the scope of use of the correction transmission device.

[0051] Reference Figure 1 , Figure 4 , Figure 5 and Figure 6The moving mechanism 340 includes a transverse member 3 and a screw nut assembly 4. The actuator 2 is arranged on the transverse member 3. The transverse member 3 is slidably arranged on the main beam 1. Two groups of screw nut assemblies 4 are arranged in the length direction of the main beam 1. Correspondingly, two transverse members 3 are slidably arranged on the main beam 1, and each group of screw nut assemblies corresponds to one transverse member 3. The screw nut assembly 4 includes a transmission screw 41 and a screw nut 42. The transmission screw 41 and the screw nut 42 cooperate with each other. The two ends of the transmission screw 41 are respectively a floating end and a fixed end, wherein the fixed end is the input end of the transmission screw 41. The input end (i.e., the fixed end) of the transmission screw 41 is connected to the driving mechanism 590. The floating end of the transmission screw 41 is connected to the main beam 1. The transverse member 3 is fixedly connected to the screw nut 42, and the actuator 2 is fixedly connected to the transverse member 3. Specifically, the screw nut 42 is fixedly connected to the side of the transverse member 3 with a connecting pin 421, and the connecting pin 421 is fixedly connected to the transverse member 3. Each of the two sets of screw nut assemblies 4 is connected to a transverse member 3. The actuators 2 on the two transverse members 3 are respectively located on both sides of the film 10 to clamp or pull the film 10. When the driving mechanism 590 receives the correction signal to drive the transmission screw 41 to rotate, the screw nut 42 on the corresponding transmission screw 41 is driven to move on the transmission screw 41, thereby causing the actuator 2 on the transverse member 3 to pull the film 10 for correction. In actual use, the transmission screw 41 can be customized with different lengths according to the film 10 width requirements and the film 10 width specifications to expand the scope of application of the device.

[0052] More specifically, two movable bearing seats 11 are fixedly connected to the main crossbeam 1, and the two movable bearing seats 11 are respectively arranged corresponding to the movable ends of the two transmission screws 41. Deep groove ball bearings are rotated inside the movable bearing seats 11, and the movable ends of the transmission screws 41 are rotatably connected to the movable bearing seats 11 through the deep groove ball bearings. A shaft retaining ring is provided on the connecting end surface of the transmission screw 41 and the deep groove ball bearing, and the shaft retaining ring is used to limit and fix the transmission screw 41 and the deep groove ball bearing. The main crossbeam 1 is fixedly connected to the opposite ends on both sides with side plates 12, and a fixed bearing seat 13 is fixedly arranged on the side plate 12. The fixed end of the transmission screw 41 is rotatably connected to a ball bearing, and the inner ring of the ball bearing is fixedly connected to the inner nest of the bearing, and the outer ring of the ball bearing is installed in the fixed bearing seat 13. The end of the fixed end of the transmission screw 41 passes through the fixed bearing seat 13 and is connected to the drive mechanism 590. The fixed bearing seat 13 is fixedly provided with bearing end caps located at the end faces on both sides of the ball bearing. The bearing end caps are used to limit the ball bearing to reduce the possibility of the ball bearing being separated from the side plate 12 during use. In actual settings, the type of ball bearing can be set according to the working conditions, such as deep groove ball bearings, self-aligning ball bearings, etc., which are not limited here.

[0053] Furthermore, a soft stopper 411 is sleeved on one end of the transmission screw 41 away from the driving mechanism 590. The soft stopper 411 is connected and fixed to the movable bearing seat 11. The soft stopper 411 is sleeved on the movable end of the transmission screw 41 to limit the end of the transmission screw 41 and to buffer and protect the screw nut 42. The soft stopper 411 can be made of various non-metallic soft materials, such as elastomeric rubber, Teflon and the like.

[0054] Reference Figures 1 to 6 The driving mechanism 590 includes a driving source 9 and a transmission assembly 5, wherein the transmission assembly 5 includes a first transmission wheel 51, a second transmission wheel 52 and a transmission belt 53. The first transmission wheel 51 and the second transmission wheel 52 are both arranged on the side plate 12, and the transmission belt 53 is connected end to end and sleeved on the outer peripheral side of the first transmission wheel 51 and the second transmission wheel 52 to form a closed-loop transmission. The output end of the driving source 9 is connected to the first transmission wheel 51, and one end of the transmission screw 41 passing through the fixed bearing seat 13 is connected to the second rotating wheel. When the driving source 9 is started, the first transmission wheel 51 is driven to rotate, and the second transmission wheel 52 rotates with the first transmission wheel 51 under the action of the transmission belt 53. The rotation of the second transmission wheel 52 drives the rotation of the transmission screw 41, so that the screw nut 42 moves on the transmission screw 41, and finally the transverse member 3 slides on the crossbeam, driving the actuator 2 to correct the film 10.

[0055] Specifically, in this embodiment, a fixed end cap is provided on the second transmission wheel 52, and the second transmission wheel 52 is connected and fixed to the end of the transmission screw 41 through the fixed end cap. A driving mounting flange is fixedly connected to the driving source 9, and the driving source 9 is fixed to the side plate 12 through the driving mounting flange. The output end of the driving source 9 is connected to a driving shaft 92 through a coupling 91, and a bearing is rotatably connected to the driving shaft 92. A driving shaft 92 bearing mounting seat is fixedly connected to the side plate 12, and the driving shaft 92 is rotatably connected to the driving shaft 92 bearing mounting seat through the bearing, and the end of the driving shaft 92 away from the coupling 91 passes through the side plate 12 and is connected to the first transmission wheel 51, and the first transmission wheel 51 and the driving shaft 92 are also connected and fixed through the fixed end cap.

[0056] More specifically, the transmission belt 53 can be a flat belt, a toothed belt, a wedge belt, etc., and the driving source 9 can be a servo motor, etc. The selection of the transmission belt 53 and the driving source 9 can be selected according to the actual working conditions, as long as the above functions can be achieved, and no sole limitation is made here.

[0057] The driving mechanism 590 also includes a tensioning idler assembly 6, which is used to adjust the tension of the transmission belt 53 so as to better transmit the power output by the driving source 9 to the transmission screw 41. The tensioning idler assembly 6 includes a tensioning fixed seat 61, a tensioning mounting seat 62 and a tensioning wheel 63, wherein the tensioning wheel 63 is fixedly connected to the tensioning mounting seat 62, the tensioning mounting seat 62 is detachably mounted on the side plate 12, and the position of the tensioning mounting seat 62 can be adjusted in the direction of approaching or moving away from the transmission belt 53. Specifically, the tensioning fixed seat 61 is fixedly arranged on one side of the side plate 12, the side plate 12 is provided with a mounting groove 121 for slidingly mounting the tensioning mounting seat 62, the tensioning mounting seat 62 is provided with a mounting waist-shaped hole 621, the side plate 12 is provided with a mounting bolt 122, the tail end of the mounting bolt 122 passes through the mounting waist-shaped hole 621 and is threadedly connected to the side plate 12, and the tensioning mounting seat 62 is fastened to the side plate 12. An adjusting bolt 622 is fixedly connected to the tensioning mounting seat 62, and one end of the adjusting bolt 622 slides out of the tensioning mounting seat 61, and the outer peripheral side of the tensioning wheel 63 abuts against the transmission belt 53. When the tension of the transmission belt 53 needs to be adjusted, the mounting bolt 122 on the side plate 12 is first unscrewed, and the tensioning mounting seat 62 can slide relatively on the side plate 12 at this time, and the adjusting bolt 622 is pushed / pulled to make the tensioning mounting seat 62 move toward or away from the conveyor belt, thereby changing the tension of the transmission belt 53. When the desired tension is adjusted, the mounting bolt 122 is tightened to tighten the tensioning mounting seat 62 to the side plate 12 again.

[0058] In addition, when limited by actual working conditions, the transmission mechanism can also be set to a gear meshing structure to change the belt drive into a gear meshing drive, that is, the first transmission wheel 51 and the second transmission wheel 52 are respectively set to gears and mesh with each other for transmission. The gears can be selected from spur gears or helical gears, etc.

[0059] Further, refer to Figure 2 , Figure 4 and Figure 5In one embodiment, the transverse moving member 3 is a mobile trolley 311, and the mobile trolley 311 is provided with rollers, which roll on the main beam 1. A latch hole is provided at the bottom of the mobile trolley 311, and the end of the connecting latch 421 away from the screw nut 42 is fixedly connected in the latch hole. The actuator 2 is fixedly arranged on the mobile trolley 311, and the chain clamp structure is fixedly connected with an actuator mounting plate, and the actuator mounting plate is connected and fixed to the mobile trolley 311. The actuator mounting plate and the mobile trolley 311 can be connected and fixed by fasteners such as bolts, etc., and can also be connected and fixed by welding and other connection methods. In actual use, it is not limited to a fixed structure, and the installation method and external dimensions can be adjusted according to actual requirements. When the screw nut 42 moves on the transmission screw 41, it drives the mobile trolley 311 to move to the main beam 1, and then drives the actuator 2 to correct the film 10. The main cross beam 1 is provided with a limiting groove 15 along its length direction, and the roller of the moving trolley 311 rolls in the limiting groove 15. The limiting groove 15 limits the movement trajectory of the moving trolley 311 to ensure the stability of the moving trolley 311 during the deviation correction process. The lateral moving member 3 adopts the structural form of the moving trolley 311, which is conducive to reducing the friction between the lateral moving member 3 and the main cross beam 1 and improving the transmission efficiency of the device.

[0060] In another embodiment, referring to Figure 1 and Figure 6 The traverse member 3 is a moving plate 312, a linear guide 14 is fixedly connected to the upper surface of the main beam 1, a slider 3121 is fixedly connected to the bottom of the moving plate 312, the slider 3121 is slidably arranged on the linear guide 14, the end of the connecting pin 421 away from the screw nut 42 is fixedly connected to the moving plate 312, the execution mounting plate on the chain clamp structure is fixedly connected to the moving plate 312, when the screw nut 42 moves on the transmission screw 41, the moving plate 312 is driven to move to the main beam 1, and then the actuator 2 is driven to correct the film 10. The use of the slider 3121 guide structure to achieve the sliding connection between the traverse member 3 and the main beam 1 is conducive to ensuring the stability of the device correction.

[0061] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A deviation-correcting transmission device, characterized in that: include: Main beam; An actuator, the actuator is used to clamp or pull the film; A moving mechanism, wherein the moving mechanism comprises a transverse moving member, the actuator is arranged on the transverse moving member, and the transverse moving member is slidably arranged on the main crossbeam to drive the actuator to move along the length direction of the main crossbeam; A driving mechanism, the driving mechanism is arranged on the main beam, and the driving mechanism is connected to the moving mechanism to drive the transverse member to slide on the main beam; The deflection correction sensor mechanism is arranged on the transverse moving member, and the deflection correction sensor mechanism includes a sensor component and a deflection correction adjustment component. The sensor component is used to detect the film deviation and feed back to the driving mechanism, and the deflection correction adjustment component is used to adjust the position of the sensor component.

2. A deviation-correcting transmission device according to claim 1, characterized in that: The correction sensor mechanism includes an adjusting screw, a movable bearing seat and a guide shaft, the adjusting screw and the movable bearing seat cooperate with each other, a linear bearing is arranged on the movable bearing seat, the guide shaft is connected to the movable bearing seat through the linear bearing, a guide mounting seat is arranged at one end of the guide shaft, the guide mounting seat is fixedly connected to the transverse member, the end of the guide shaft away from the guide mounting seat is fixedly connected to a connecting plate, one end of the adjusting screw passes through the connecting plate and is fixedly connected to a handwheel.

3. A deviation-correcting transmission device according to claim 2, characterized in that: The sensor assembly includes a correction sensor and an adjustment seat. The movable bearing seat is provided with a correction fixing seat. The adjustment seat can be raised and lowered on the correction fixing seat. The correction sensor is provided on the adjustment seat.

4. A deviation-correcting transmission device according to claim 3, characterized in that: The adjustment seat is provided with a clamping hole, and the deviation correction sensor can be rotatably arranged in the clamping hole.

5. The deviation-correcting transmission device according to claim 1, characterized in that: The moving mechanism also includes a screw nut assembly, two groups of the screw nut assemblies are arranged in the length direction of the main beam, the screw nut assembly includes a transmission screw and a screw nut, the transmission screw cooperates with the screw nut, the input end of the transmission screw is connected to the driving mechanism, the end of the transmission screw away from the driving mechanism is rotatably connected to the main beam, the transverse member is connected to the screw nut, and the end of the transmission screw away from the driving mechanism is provided with a soft limit block.

6. A deviation-correcting transmission device according to claim 5, characterized in that: The driving mechanism includes a driving source and a transmission assembly, the transmission assembly includes a first transmission wheel, a second transmission wheel and a transmission belt, the transmission belt is connected end to end and is sleeved on the outer peripheral sides of the first transmission wheel and the second transmission wheel, the main crossbeam is provided with side plates at opposite ends, the input end of the transmission screw is rotatably connected to the side plate and the end of the transmission screw passes through the side plate, one end of the transmission screw passing through the side plate is connected to the second transmission wheel, the driving source is fixedly connected to the side plate and its output end is connected to the first transmission wheel.

7. A deviation-correcting transmission device according to claim 6, characterized in that: The driving mechanism also includes a tensioning idler wheel assembly, which includes a tensioning fixed seat, a tensioning mounting seat and a tensioning wheel. The tensioning fixed seat is fixedly connected to one side of the side plate, and the tensioning wheel is mounted on the tensioning mounting seat. The tensioning mounting seat is adjustably arranged on the side plate toward or away from the transmission belt, and an adjusting bolt is fixedly connected to the tensioning mounting seat, and the end of the adjusting bolt away from the tensioning mounting seat passes through the tensioning fixed seat.

8. The deviation-correcting transmission device according to claim 5, characterized in that: A connecting pin is fixedly arranged on one side of the screw nut facing the transverse moving member, and the connecting pin is connected to the transverse moving member.

9. A deviation-correcting transmission device according to claim 8, characterized in that: The transverse moving member is a moving trolley, which is provided with rollers. The rollers roll on the main crossbeam. A pin hole is provided at the bottom of the moving trolley. One end of the connecting pin away from the screw nut is fixed in the pin hole. The actuator is arranged on the moving trolley. A limiting groove is provided on the main crossbeam, and the roller rolls in the limiting groove.

10. The deviation-correcting transmission device according to claim 8, characterized in that: The transverse moving member is a moving plate, a linear guide rail is arranged on the main crossbeam, a slider is arranged at the bottom of the moving plate, the slider slides on the linear guide rail, and one end of the connecting pin away from the screw nut is fixedly connected to the moving plate.

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