29results about How to "Avoid pinch damage" patented technology

The invention discloses a CTP battery in-box clamping force calculation method, device and equipment and a medium, and relates to the technical field of battery production, the method comprises the following steps: constructing a stress model when a block is clamped and suspended, analyzing to obtain an arc line where stress centers of all battery cells are located, and calculating the length of the arc line where the stress center of a single battery cell is located; analyzing the stress condition of the central battery cell in the stress model, calculating to obtain the transverse theoretical clamping force of the clamping jaw, and calculating to obtain the actual clamping force needing to be provided by the clamping jaw; based on the bearable pressure value of the battery cell and the transverse theoretical clamping force of the clamping jaw, the actual clamping force is increased or decreased through a preset control strategy. According to the invention, the battery cell can be effectively prevented from falling and being clamped and damaged.

The utility model relates to the field of program-controlled current and voltage sources, discloses a program-controlled current and voltage source with a function of preventing an interface plug wire from falling off, and solves the problem that the conventional program-controlled current and voltage source with the function of preventing the interface plug wire from falling off is poor in protection effect. Through the racks, the gears, the two-way screws, the moving blocks, the connecting plates and the clamping plates, the push plate drives the racks to be meshed with the gears, the gears drive the two-way screws at the two ends to rotate, the two-way screws are in threaded connection with the moving blocks on the surfaces respectively, and the two moving blocks drive the connecting plates at the top ends to move reversely respectively. The connecting plate drives the two sets of arc-shaped clamping plates to be close to and fixed to the cable, and the inner sides of the clamping plates are provided with a plurality of rubber protruding blocks at equal intervals, so that the surface of the cable is prevented from being damaged by clamping, the surface of the cable can be effectively prevented from being damaged, and the service life of the cable is prolonged.

The invention provides a plate clamping and carrying structure for shipbuilding, and relates to the field of plate carrying, the plate clamping and carrying structure comprises a support plate and a wheel plate, the top end of the support plate is rotatably connected with a mounting plate, and a placing plate A is fixedly mounted at the top end of the mounting plate. According to the device, by arranging a motor A, a circular plate, a connecting plate A, a sliding plate, a worm gear, a motor B, a worm, a frame plate A, a frame plate B, a motor C, a threaded rod, a movable plate and a connecting plate, the distance between the placing plates B can be rapidly adjusted according to different sizes of plates, the applicability is high, angle adjustment rotation between the mounting plates can be rapidly conducted, and the practicability is high. And therefore, the force consumed in the plate feeding process is effectively saved, the angle of the plate can be adjusted, transportation work of the plate in a narrow space is facilitated, angle rotation between the frame plate B and the frame plate A can be driven while the motor C works, the plate can be jacked up by a certain angle during discharging, and then discharging and carrying are facilitated.

The utility model relates to the technical field of round paper cans, in particular to a continuous full-automatic round paper can curling machine which comprises a workbench and a driving motor, the output end of the driving motor penetrates through the workbench and is in transmission connection with a conveying belt, and a first air cylinder is fixedly connected to the middle of the upper end of a supporting plate. The output end of the first air cylinder penetrates through the supporting plate and is fixedly connected with an edge pressing block, sliding grooves are formed in the lower portion of the left end and the lower portion of the right end of the supporting plate, pushing devices are fixedly connected to the left portion and the right portion of the rear end of the supporting plate, and clamping devices are fixedly connected to the front portions of the left ends and the front portions of the right ends of the two pushing devices. According to the continuous full-automatic round paper can hemming machine, through the arrangement of the pushing device and the clamping device, a plurality of round paper cans are clamped and fixed, the fixing effect of clamping the round paper cans through the clamping plates is further enhanced, the situation that the round paper cans are damaged due to clamping is effectively avoided, and the round paper can hemming efficiency is improved.

The utility model belongs to the technical field of photovoltaic cell conveying, and discloses a deviation rectifying mechanism and a conveying device. The deviation rectifying mechanism comprises a base, adjusting assemblies, a driving assembly and a sensing assembly, the adjusting assemblies are installed on the base in a sliding mode, the two adjusting assemblies can move in the opposite direction and the back-to-back direction in the preset first direction, and the driving assembly is used for driving the adjusting assemblies to move in the opposite direction and the back-to-back direction; the sensing assembly can recognize the distance between the two adjusting assemblies so that the driving assembly can drive the adjusting assemblies to slide within the preset distance. By means of the deviation rectifying mechanism, the photovoltaic cell can be located at the correct conveying position in the conveying process, it is further guaranteed that the photovoltaic cell is located at the preset machining position in the machining process, and the machining yield and the performance and quality of the photovoltaic cell are guaranteed. And moreover, the movement distance of the adjusting assembly can be limited, so that clamping damage to the photovoltaic cell is prevented, photovoltaic cell damage caused by positioning is avoided, and the performance and quality of the photovoltaic cell are further guaranteed.

The utility model belongs to the technical field of storage devices, and provides an intensive care unit pipeline storage device which comprises a storage barrel, a clamping assembly and a fixing assembly. A plurality of groups of storage cylinders are arranged; the clamping assemblies are arranged on the storage barrels, and the multiple sets of storage barrels are detachably connected through the clamping assemblies; the fixing assembly is arranged on the storage cylinder, the fixing assembly comprises two sets of clamping rods and a driving part, a storage hole is formed in the top end of the storage cylinder, the two sets of clamping rods can be arranged in the storage hole in a sliding mode in the radial direction of the storage hole, and the driving part is rotatably arranged on the storage cylinder; and the two groups of clamping rods can be driven to move close to or far away from each other by rotating the driving piece. The multiple sets of storage cylinders are detachably connected, adjustment can be conveniently conducted according to the number of pipelines needing to be stored, the situation that the device occupies redundant space is avoided, the two sets of clamping rods move close to each other by rotating the driving piece to clamp and fix the pipelines, the pipelines in the storage holes are prevented from sliding out, and use is convenient.

The invention relates to the technical field of welding devices, and particularly discloses a fresh air pipeline welding device for old community reconstruction, which comprises a placing base, a height adjusting device is fixedly connected to the top of the placing base, and first sliding sleeves are fixedly connected to the parts, positioned on two sides of the height adjusting device, of the top of the placing base; the fresh air pipeline welding device comprises a U-shaped connecting support, a first sliding sleeve is fixedly connected to the top of the U-shaped connecting support, a first sliding rod is slidably connected to the inner wall of the first sliding sleeve, an angle adjusting device is fixedly connected to the top of the U-shaped connecting support, a welding gun is fixedly connected to one side of the angle adjusting device, and clamping and fixing devices are fixedly connected to the top and the bottom of the U-shaped connecting support. The height adjusting device is arranged, so that fresh air pipelines of any height can be welded, the clamping and fixing device is arranged, so that two sets of pipelines needing to be welded can be clamped and fixed at the same time, and the problem of welding deviation caused by sliding due to unstable clamping is avoided.

The utility model discloses an office cabinet with hidden wire arrangement structure relates to office cabinet technical field, including workbench board, office cabinet cabinet body, workbench board bottom both sides all are fixed with office cabinet cabinet body, and office cabinet cabinet body all are in openwork appearance, one office cabinet cabinet body inside is connected with the floor board, workbench board inside both sides all are provided with the layout slot, and the layout slot inside all are provided with the fixed wire subassembly, the layout slot two inner walls all are provided with the movable slot, and movable slot inside all slidingly connected with the sliding plate, the sliding plate between is connected with the cover plate, the cover plate sliding covers on the layout slot. The utility model discloses setting up the layout slot on the workbench board, can make the data line needed in the office process to use can hide to its inside, then using the sliding plate in the movable slot sliding, can make the cover plate sliding cover on the layout slot, and make the cover plate and the workbench board flush, to promote the overall visual neat.

The invention relates to the technical field of sensor processing, and in particular to processing equipment for a differential pressure sensor for mining; a workbench, a docking drive mechanism, a feeding mechanism and a unloading mechanism; the invention solves the problems that the current differential pressure sensor for mining mainly has in the processing process, that during the batch welding of the housing and the pressure interface of the probe, the housing needs to be disassembled and assembled for many times to weld the pressure interfaces at both ends of the housing and replace the probe, and the operation is cumbersome and the processing efficiency is low, and the clamping method of flipping and clamping after one end is welded is easy to damage the thread teeth, affecting the subsequent assembly operation, etc.; the invention improves the processing efficiency of the housing and the pressure interface of the probe, and ensures the overall integrity of the probe after welding.

The utility model discloses an improved electric power high-voltage test wiring device, which comprises an L-shaped high-altitude clamping substrate and a support rod arranged below the L-shaped high-altitude clamping substrate, the top of the L-shaped high-altitude clamping substrate is integrally provided with a protruding edge protruding rightwards, and the inner wall of the left side of the L-shaped high-altitude clamping substrate is fixedly connected with a conductive copper plate. The left side of the conductive copper plate is fixedly connected with two binding posts. According to the utility model, a series of structures are arranged, so that stable pressure control and clamping can be automatically and accurately carried out when equipment to be tested is clamped, the clamping force can be automatically mastered, the phenomenon of clamping damage caused by too large clamping force or unstable clamping force caused by small clamping force is avoided, the clamping automation degree and the use stability are improved, and the working efficiency is improved. And in a pressure-controlled clamping state, a lamp is turned on in real time, so that a person is reminded of being in a stable clamping state, the person can timely know and deal with unexpected looseness in the test work, the use safety is improved, and the person can use the device conveniently.

This utility model relates to the field of glass bottle inspection technology, and more particularly to an automatic inspection device for medical glass bottles. The technical solution includes a base, a bottom vision camera fixedly mounted at the center of the upper surface of the base, a rotating tube rotatably mounted on the upper surface of the base with the bottom vision camera located inside the rotating tube, a support ring fixedly connected to the top of the rotating tube, cylinders fixedly mounted on both sides of the upper surface of the base, clamps fixedly connected to the output ends of the two cylinders, and an electric push rod fixedly mounted near the rear surface of the upper surface of the base. A side vision camera is fixedly mounted on the front surface of the electric push rod, and a horizontal plate is fixedly connected to the output end of the electric push rod. This utility model facilitates visual inspection of the bottom and outer perimeter of medical glass bottles, eliminating blind spots and thus better rejecting defective medical glass bottles.

The utility model relates to an infrared heating high-temperature oscillation blending instrument which comprises a workbench, a heating plate, a frame body, a plurality of first elastic ropes and a plurality of second elastic ropes, the heating plate is detachably arranged on the workbench; the frame body is arranged on the workbench, the frame body is provided with an opening, the opening is aligned with the heating plate, the two ends of each first elastic rope are connected with the two opposite side walls of the opening respectively, and the two ends of each second elastic rope are connected with the two opposite side walls of the opening respectively; the first elastic ropes and the second elastic ropes are used for clamping and fixing a container. According to the infrared heating high-temperature oscillation blending instrument provided by the utility model, the container is clamped and fixed by using the elastic rope, so that the container can be stably clamped and fixed on the workbench, and the container has a certain shaking space, so that a solution in the container can be fully and uniformly mixed in an earthquake, and meanwhile, the container can be prevented from being damaged by clamping.

This utility model relates to the field of lenticular sheet technology and discloses a lenticular sheet printing fixing fixture, including a fixing fixture base and a lenticular sheet body. The top of the base has a left fixing seat and a right fixing seat on both sides. The bottom end of the pressure block slidably installed in the left fixing seat is in contact with the lenticular sheet body. The drive group includes a servo motor, a threaded rod and a threaded bushing. The guide group includes a sliding strip and a guide fixing component. The flattening mechanism is between the two right fixing seats. The fixing plate is fixed to the top of the guide fixing component. The pressure plate slides between the two and is connected to the fixing plate by a pressure spring. First, the lenticular sheet body is placed on the top of the base. The second fixing screw of the left fixing seat drives the pressure block to initially fix the left end. The servo motor is started, which drives the threaded rod to rotate, causing the sliding strip and the guide fixing component to move to the right. The pressure plate moves with it and is in contact with the lenticular sheet under the action of the pressure spring. The first fixing screw completes the straightening and fixing, ensuring no displacement and no wrinkles during printing.

The utility model discloses a wafer bracket, which comprises a fixed base, a lifting assembly, a support frame, a device shell, a clamping assembly and a wafer, the lifting assembly is located at the top end of the fixed base, the supporting frame is located at the top end of the lifting assembly, the device shell is rotationally connected to the inner side of the supporting frame, the device shell rotates in the supporting frame and has a damping sense, the clamping assembly is located on the inner side of the device shell, and the wafer is located on the inner side of the clamping assembly. Compared with the prior art, the wafer clamping device has the advantages that the fixed height can be adjusted, wafers of different sizes can be clamped, the wafers can be protected during clamping, and the wafers are prevented from being damaged due to the fact that the clamping force is too large.

The utility model provides a crimping plier, and especially relates to the crimping plier technology field, the crimping plier comprises a crimping plier body, a mounting mechanism and a measuring mechanism, the crimping plier body comprises a first steel crimping head and a second steel crimping head, when the assembly type indoor decoration wallboard is in use, a shifting block on a limiting rod is shifted, the limiting rod rotates through a rotating shaft, and the crimping plier body is fixed on the mounting mechanism. When the wire harness is tidied or cut, the cover plate is opened, the cover plate abuts against the baffle, the wire harness penetrates through the wire pressing clamp, the wire harness is attached to the cover plate, observation is carried out through scale marks, and then the wire pressing clamp slides into the installation groove, the shifting block is loosened, the torsional spring recovers, and one end of the limiting rod clamps the wire pressing clamp, so that the wire pressing clamp is fixed. The cutting length or the trimming length can be conveniently determined, then when the device is not used, the cover plate is closed, and the pin column is inserted into the pin hole, so that the first steel pressure connector is connected with the second steel pressure connector through the cover plate, and articles are prevented from being damaged by clamping during carrying.

The utility model discloses improve the collection frame of solder resist ink pressure injury belongs to the collection frame technical field, this improve the collection frame of solder resist ink pressure injury, including bottom plate, the top surface of bottom plate is provided with the isolation component for placing and isolating PCB board, and the isolation component includes the rotatable holder of setting at the top surface of bottom plate, and a plurality of rotatable holders are along the length direction linear array arrangement of bottom plate, and the top end outer wall of rotatable holder is provided with first division cover, and the bottom of rotatable holder is provided with second division cover, and the outer wall of rotatable holder is provided with the sheath. The utility model discloses through setting first division cover, second division cover and the setting of sheath, form and maintain the fixed interval between PCB board and soften the contact point between rotatable holder and PCB board, reduce the risk that solder resist ink is pressed in the edge of PCB board and is scratched, and the risk of rubbing damage has reduced, has improved the yield and reliability of PCB board, has improved the operation efficiency and security of production circulation and the operation efficiency and security of logistics link simultaneously.

The utility model relates to the technical field of chip clamping tools, in particular to a chip clamping device which comprises a working table and a core body, a first plate body and a second plate body are oppositely arranged on the working table at intervals in the height direction of the working table, the chip clamping device further comprises a clamping structure, and the clamping structure comprises an electric push rod arranged on the first plate body and used for clamping the first plate body and the second plate body. The output end of the second motor is arranged towards the second plate body; the first clamping plate is fixed at the output end of the electric push rod and is suitable for placing a core body; the second clamping plate is arranged on the second plate body and is opposite to the first clamping plate; and the at least two pressure sensors are oppositely arranged on the first clamping plate and the second clamping plate and are communicated with the electric push rod and an external power supply through a controller. According to the utility model, through the arrangement of the clamping structure, when the clamping structure clamps the chip, the clamping structure clamps the chip through pressure preset by a user, so that the chip is prevented from being damaged by clamping of the clamping structure, and the problem that the chip may be damaged by clamping of an original clamping device is solved.

The utility model relates to the related technical field of high-low voltage switch cabinet shell peripheral wiring harnesses, in particular to a wire bunching mechanism for high-low voltage switch cabinet shell peripheral wiring, which comprises a wire bunching plate, a screwing bolt, a shell mounting plate and a mounting assembly, according to the utility model, when wire harnesses on the wire harness groove and the winding column are protected and sealed, a user can manually take down the preformed hole packaging plate and can open the wire harness plate and the shell mounting plate, so that the wire harness groove and the winding column can be protected and sealed, and the wire harness groove and the winding column can be protected and sealed. Wire harnesses on the wire harness groove and the winding column are wound and installed, arrangement adjustment is conducted according to the wire harness groove space of the wire harness plate and the shell installation plate, a large number of wire harnesses, the wire harness groove and the winding column can replace a binding belt to be wound and fixed, and the wire harnesses can be conveniently opened in the later period to be adjusted.

The utility model relates to the technical field of jig for battery detection, especially a kind of jig for small battery detection, it includes: base;Fixedly connected on the mounting bracket of base;Electric push rod fixedly connected on mounting bracket;The mounting plate of the rod end portion fixedly connected in electric push rod;First electric slide rail fixedly connected on mounting plate;Two fixedly connected on the control end of first electric slide rail mounting arm;Fixedly connected on mounting arm mounting column;Rotatably connected on mounting column first adjusting column;Rotatably connected on first adjusting column second adjusting column;Fixedly connected on second adjusting column and the detection terminal of the contact terminal butt joint of battery. By realizing the free adjustment of detection terminal direction, the utility model can flexibly adapt to the battery of contact terminal located in horizontal plane, vertical plane and different arrangement mode, greatly improve the versatility of the utility model, effectively solve the limitation that traditional fixed terminal can only adapt to single type battery.

The invention provides a lobe element self-adaptive clamping device and method, and the device comprises a bearing mechanism which comprises a bottom tray and a surrounding edge, the bottom tray is provided with an avoiding part, the surrounding edge is arranged at the edge of the bottom tray, and at least one corner part of an element to be clamped is exposed out of the bottom tray through the avoiding part; the extrusion fixing mechanism comprises a driving assembly which is connected to the bottom tray; and the moving assembly comprises a bottom plate and two pushing pieces, the bottom plate is connected to the driving assembly and the pushing pieces in a sliding mode, and the two pushing pieces extrude / release the corners of the element to be clamped in the moving process. According to the invention, on the premise of not damaging the corner part of the element, self-adaptive adjustment and limiting of the element can be realized, and meanwhile, the condition that the element is extruded and damaged when the acting force is applied to the corner part of the element can be completely avoided. Compared with conventional clamping equipment at the present stage, the clamping device has the remarkable advantages of being wide in application range, flexible to adjust, high in compatibility, convenient to operate, capable of avoiding clamping damage, stable and efficient in clamping effect and the like.

This utility model discloses a protective device for argon arc welding of titanium alloy parts, relating to the field of titanium alloy welding technology. It includes a first protective shell and a second protective shell, with two second protective shells respectively disposed on both sides of the first protective shell. A blowing plate is fixedly installed on the lower side of both the first and second protective shells. The surface of the blowing plate has multiple blowing holes. A rotating block is fixedly installed on the side of each of the two second protective shells closest to the first protective shell. A rotating rod is rotatably sleeved inside the rotating block, and connecting blocks are rotatably sleeved at both ends of the rotating rod. One side of the connecting block is fixedly connected to the first protective shell. A protective gas inlet pipe is connected to the middle of the upper surface of the first protective shell, and both sides of the upper end of the protective gas inlet pipe are connected to the second protective shell through connecting pipes. This utility model can provide air protection for the weld after welding, effectively preventing weld oxidation and improving the quality and aesthetics of the weld.

This application discloses a rapid detection device for variable-diameter glass bottles, belonging to the field of detection technology. It includes a base, on which two elastic grippers for holding the glass bottle are symmetrically mounted on the upper surface. An intermittent toothed rod is fixed to the upper surface of the base, and a track rod is fixed between the two elastic grippers. A detection device is slidably mounted on the track rod. A first electric telescopic rod for controlling the movement of the detection device is fixed to the base. The detection device includes a slider slidably connected to the track rod. This application uses a laterally movable detection device to detect the thickness compliance of the glass bottle body area. Simultaneously, it uses a laser thickness detection component that can adapt to the bottle height to sequentially detect the thickness of three areas of the bottle body, solving the problem of manual adjustment required in existing technologies for detecting variable-diameter glass bottles and greatly improving detection efficiency.

The utility model provides a positioning fixture easy to adjust, and relates to the technical field of positioning fixtures, the positioning fixture easy to adjust comprises a machining table, the inner side of the machining table is rotatably connected with a threaded rod, one end of the threaded rod is fixedly provided with a handle, the surface of the threaded rod is in threaded connection with a movable chuck, and the top end of the machining table is fixedly provided with a fixed chuck. According to the positioning and clamping device, the sliding groove, the toothed plate, the ejector blocks, the sliding rod, the back plate, the tension spring, the fixing plate, the lead screw, the clamping plate and the guide rod are arranged, in the positioning and clamping work process, the arrangement of the ejector blocks can be automatically adjusted according to the shape of a workpiece, and fixing after adjustment is conducted by rotating the lead screw; according to the positioning clamp, the effective clamping area of a workpiece can be effectively increased, the flexibility and adaptability of the positioning clamp are improved, compared with the mode that the workpiece clamping stability is improved by replacing a chuck, the adjusting mode saves more time and labor, and the working efficiency can be effectively improved.

The utility model provides a lift for manufacturing mechanical equipment, which relates to the technical field of lifters and comprises a processing table, a motor A is fixedly mounted on the inner side of the processing table, a lead screw is fixedly mounted at the output end of the motor A, a lifting plate is slidably connected to the inner side of the processing table, and a mounting plate is fixedly mounted at the top end of the lifting plate. The top end of the mounting plate is rotationally connected with a rotating disc, a placing plate is fixedly mounted at the top end of the rotating disc, and a worm wheel is fixedly mounted on the surface of the rotating disc. According to the clamping device, by arranging the rotating disc, the containing plate, the worm gear, the motor B, the worm, the limiting groove, the protective shell A, the protective shell B, the inserting plate, the fixing plate, the plug pin and the tension spring, accurate rotation work can be provided for a workpiece after the workpiece is clamped, the dustproof protection effect can be provided for the worm gear and the worm, the maintenance frequency is reduced, and the working efficiency is improved. And the protective shell A and the protective shell B are quickly disassembled and assembled, so that the maintenance efficiency of the worm gear and the worm is improved.

The invention relates to the technical field of cable bridges, in particular to a combined cable bridge with a fixing structure, which comprises a wire duct and wire bunching components, and the number of the wire bunching components can be adaptively mounted according to the number of actually erected cables. By fixedly installing the wire bunching part in the wire groove, independent installation of a plurality of cables is achieved, mutual winding of the cables is avoided, meanwhile, replacement of damaged cables in the cables in the later period is facilitated, and a threading pipe in the wire bunching part is rotated by 90 degrees, so that resilience force of two clamping springs in a compressed state is released; the front sliding block and the rear sliding block are pushed to move towards the middle along the sliding grooves, so that the two elastic chucks move towards the middle to clamp the front S-shaped elastic piece and the rear S-shaped elastic piece, the two S-shaped elastic pieces crumple towards the interior of the threading pipe through the two arc-shaped clamping notches, and therefore the front-back clamping effect is provided for the cable, and the cable is fixed; the cable is prevented from loosening in the threading pipe, and the power supply stability of the cable is improved.

The invention discloses a leaf vegetable flexible clamping and conveying mechanism and a design method thereof, and relates to the technical field of agricultural machinery, the leaf vegetable flexible clamping and conveying mechanism comprises flexible clamping and conveying mechanism units which are symmetrically arranged, each flexible clamping and conveying mechanism unit is composed of a rack, a driving device, a supporting wheel and a clamping module, the driving device and the supporting wheel are arranged at the two ends of the rack, and the clamping module surrounds the rack; the rack is a framework of the whole clamping and conveying mechanism and used for fixedly installing the supporting wheels, the clamping modules and the driving device, and the supporting wheels are used for supporting and guiding the clamping modules to move. The flexible clamping module and the conveying structure are relatively independent, interference generated by interaction of different clamping wheels and a conveying belt in a traditional clamping conveying belt mode is avoided, and stable clamping and conveying of the leaf vegetables are guaranteed. In addition, the shape parameters of the buckling beams can be optimally designed, flexible clamping and conveying of the leaf vegetables under different feeding quantities are achieved, clamping damage in the mechanical harvesting process of the leaf vegetables is avoided, and low-damage ordered harvesting of the leaf vegetables is completed.

The utility model discloses a packaging bag conveying correcting device which comprises a fixing plate and conveying table supports, a plurality of sets of conveying table supports are evenly distributed on the fixing plate, the fixing plate is supported on the ground through the conveying table supports, and a conveying belt is installed in the fixing plate. According to the packaging bag conveying and correcting device, the driving motor is arranged, when a packaging bag filled with materials is conveyed to the conveying belt, enters from the right side of the portal frame and is transmitted to the position between the two sets of clamping plates, the servo motor drives the rotating disc to rotate, the two sets of connecting arms are driven to pull the fixing base to move, and the fixing base relatively slides outside the limiting rod through the sliding sleeve; the two sets of clamping plates move relatively to clamp the passing packaging bag once from the side face, so that the conveying angle of the packaging bag is corrected, the angle of the packaging bag can be rapidly corrected no matter whether the packaging bag is manually placed on a conveying belt or mechanically placed, and convenience is provided for subsequent clamping of a mechanical arm; the problem that the conveying angle of the packaging bag is inclined is solved.

The utility model relates to the technical field of optical film fixing, in particular to a fixing structure of an optical film assembly, which comprises a back plate and an optical film arranged at the upper end of the back plate. Positioning pieces are fixed to the left and right ends of the optical film, positioning blocks are connected to the lower ends of the positioning pieces, positioning grooves are formed in the left and right sides of the upper end of the back plate, and the positioning blocks are matched with the positioning grooves; fixing plates fixed to the upper end of the back plate are arranged on the outer sides of the positioning pieces, clamping grooves are formed in the inner sides of the fixing plates, clamping blocks are clamped in the clamping grooves, and pressing plates are arranged above the positioning pieces; according to the utility model, the positioning block is inserted into the positioning groove, so that the optical film can be quickly and accurately mounted on the back plate, the mounting time is saved, the deviation in the mounting process of the optical film is prevented, the mounting accuracy is effectively ensured, the optical film can be prevented from being damaged by clamping, and the production efficiency is improved. And the installation and use quality of the optical film is effectively ensured.