124results about How to "Realize spacing adjustment" patented technology

The fermentation equipment comprises a tank body and a jacket which is welded to the surface of the tank body in a sleeving mode and used for heating, a stirring structure is arranged in the tank body, and a turbulent flow structure is arranged on the surface of the stirring structure through a transmission structure; the stirring structure can utilize the transmission structure to change the interval of the turbulent flow structure in the rotating process and destroy the dynamic matching of the stirred liquid, an oscillation structure is arranged at the bottom of the tank body, and a linkage structure used for connecting the oscillation structure with the stirring structure is arranged at the bottom of the tank body; in the operation process of the stirring structure, the oscillation structure can be driven by the linkage structure to vertically lift and oscillate. By integrating multiple functions of heating, stirring, turbulent flow, oscillation and the like, an efficient and uniform fermentation environment is provided for processing of psicose, meanwhile, substance exchange and microbial activity in the fermentation process are enhanced through an oscillation structure, and the fermentation efficiency and the product quality are improved.

The utility model discloses a special drilling machine for preventing water in a coal mine tunnel, which comprises a first connecting seat, two groups of slidable clamping pieces are arranged in an inner cavity of the first connecting seat in a mirroring manner, each clamping piece comprises a first clamping block and a second clamping block, and the two groups of first clamping blocks are mounted in the inner cavity of the first connecting seat in a sliding manner; the first clamping blocks can achieve distance adjustment through the first driving assembly, the second clamping blocks are integrally formed at one ends of the first clamping blocks, the four sets of balls are rotationally installed on the inner sides of the second clamping blocks, and the four sets of balls are symmetrical pairwise, and the distance between the two sets of first clamping blocks can be adjusted through the first driving assembly; the distance between two sets of clamping pieces arranged in a mirror image mode is adjusted, the drill rod can be clamped, four sets of balls are symmetrical in pairs, every two sets of longitudinally-arranged balls can make contact with a rod body of the drill rod at the same time, the two sets of longitudinally-arranged balls are matched with each other to make linear contact with the drill rod, the drill rod clamping stability is improved, the balls are rotationally installed on the inner side of a second clamping block, and therefore the clamping stability of the drill rod is improved. And rotation and drilling of the drill rod cannot be affected.

The utility model discloses a steel bar straightening and cutting machine which comprises a machining table, a fixing frame is fixedly installed on the top of the machining table, fixing holes are formed in the two sides of the fixing frame, a first conveying and straightening mechanism is arranged on the lower portion in the fixing frame, and a second conveying and straightening mechanism is arranged on the upper portion in the fixing frame. According to the reinforcing steel bar straightening and cutting machine, the first transmission mechanism, the adjusting lead screw, the tool apron, the hydraulic telescopic rod, the cutting blade, the positioning frame, the second motor, the limiting rollers, the adjusting block, the longitudinal groove and the cutting table are used in cooperation, the cutting position of a reinforcing steel bar is just located between the two sets of limiting rollers, and the reinforcing steel bar is longitudinally limited through the two sets of limiting rollers; according to the steel bar conveying device, it is guaranteed that the steel bars cannot deviate in the conveying process, the quality of the end openings of the cut-off positions of the steel bars is guaranteed, and through adjustability of the positions of the limiting rollers, the steel bars of different sizes can be effectively and longitudinally limited.

The utility model discloses a baking oven with an adjustable internal space, which belongs to the technical field of baking ovens, and comprises a baking oven main body and two storage plate racks arranged in the baking oven main body, the front side wall of the baking oven main body is hinged with an oven door, one side of the baking oven main body is provided with a spacing adjusting mechanism, and the spacing adjusting mechanism is provided with a spacing adjusting mechanism. The two ends of the interval adjusting mechanism extend into the drying oven body and are fixedly connected with one ends of the two storage plate frames correspondingly, a positioning mechanism is arranged on the inner wall of the side, away from the interval adjusting mechanism, of the drying oven body, and the two ends of the positioning mechanism are fixedly connected with one ends of the two storage plate frames correspondingly. The distance adjusting mechanism comprises a machine shell fixed to one side of the drying oven body, and a cover shell is fixedly connected to one side of the machine shell. According to the utility model, the distance between the two storage plate frames can be adjusted by arranging the distance adjusting mechanism, and compared with a pull-out operation mode, the structure is more convenient to operate and more accurate and stable to adjust and position, and is prevented from being scalded by high temperature.

The utility model relates to the technical field of truss robots, and discloses a grabbing device for a truss robot, which solves the problem that the existing grabbing device for the truss robot is inconvenient to turn over and adjust a workpiece, and comprises a grabbing mechanism which is connected to the top end of the truss robot in a penetrating manner, the grabbing mechanism is composed of a first support, a second support, a double-end lead screw, a first servo motor, a first grabbing assembly and a second grabbing assembly, the first support and the second support are connected to the two ends of the top of the truss robot correspondingly, the double-end lead screw is rotationally connected between the first support and the second support, the first servo motor is connected to one side of the second support, and the first grabbing assembly is connected to the other side of the second support. A strip-shaped sliding groove is formed in the top end of the truss robot, and the first grabbing assembly and the second grabbing assembly are slidably connected into the strip-shaped sliding groove and arranged on the double-end lead screw in a sleeving mode. By means of the grabbing device, workpieces or objects of different sizes can be grabbed, lifting and overturning adjustment can be achieved, and use convenience is improved.

The utility model discloses a pork cutting device which comprises a water tank and a cutting box fixedly arranged on the upper side of the water tank and further comprises a cutting assembly and a distance adjusting assembly which are arranged in the cutting box. The cutting assembly comprises a rotating disc rotationally arranged in the dividing box, a rotating guide sleeve eccentrically and rotationally arranged on the rotating disc, a guide rod horizontally and slidably arranged in the rotating guide sleeve, a connecting rod vertically and fixedly arranged on the guide rod and an adjusting box fixedly arranged at the lower end of the connecting rod, and a guide rail is arranged on the inner wall of the dividing box; guide blocks are vertically arranged in the guide rails in a sliding mode, the adjusting box is horizontally and fixedly arranged between the guide blocks, a servo motor is fixedly arranged on the outer wall of the dividing box, and the output end of the servo motor is fixedly connected with a center shaft of the rotating disc. The utility model belongs to the technical field of pork processing, and particularly relates to a pork cutting device which is convenient to clean, convenient to automatically fix pork and convenient to adjust the cutting distance.

The utility model belongs to the field of packaging material production devices. In particular to a cold water tank traction mechanism which comprises an installation frame assembly, a main traction roller assembly, an auxiliary traction roller set, a first adjusting part, a second adjusting part, a first herringbone plate assembly and a second herringbone plate assembly. The main traction roller assembly is installed and connected with the installation frame assembly through installation bolts, the first adjusting part and the second adjusting part are installed on the inner side of the installation frame assembly, and when the adjusting device is used, the driving cylinder assemblies in the first adjusting part and the second adjusting part can drive the swing arm bodies to rotate around the swing arm shafts for adjustment. Therefore, the distance between the main traction roller assembly and the auxiliary traction roller set is adjusted, the requirement for convenient penetration of a film belt is met, and the traction use effect is guaranteed.

The invention relates to the technical field of processing of mobile houses with light steel structures, and specifically to a processing and welding device for walls of mobile houses with light steel structures, comprising a welding seat, wherein a plurality of welding devices arranged front and back are installed in the middle of the upper end of the welding seat, the welding devices are used to clamp a cross brace and weld the cross brace and an oblique rod, an adjustment device is installed on the upper side of the welding seat and between two adjacent welding devices, a plurality of positioning devices evenly arranged left and right are installed on the adjustment device, and the positioning device is used to clamp the oblique rod in the middle front and back; the invention can adjust the spacing between two adjacent oblique rods at equal spacing, so that a plurality of oblique rods can be evenly welded between two adjacent cross braces, thereby increasing the quality of the wall after welding is completed, and at the same time, the invention can also synchronously adjust the inclination angles of the plurality of oblique rods, thereby making the inclination angles of the oblique rods between two adjacent cross braces consistent, thereby ensuring the stability of the overall structure of the mobile house with light steel structures.

This utility model relates to the field of traditional Chinese medicine sowing technology, specifically a sowing row spacing adjustment device for traditional Chinese medicine. It includes a U-shaped frame, a track, and also includes adjusting block one and adjusting block two, horizontal plate one and horizontal plate two, a limiting groove and a limiting block. Movable seats are fixedly connected to the opposing surfaces of the two limiting blocks, and fixed seats are fixedly connected to the opposing surfaces of adjusting block one and adjusting block two. The inner walls of the two adjusting seats are rotatably connected to the same hinge rod one, and the inner walls of the two fixed seats are rotatably connected to the same hinge rod two. Multiple rotating shafts are rotatably connected to the upper surfaces of hinge rod one and hinge rod two. By rotating the handle, adjusting block one can slide on the track, thereby causing horizontal plate one to slide accordingly, thus realizing the rotation of hinge rod one and hinge rod two. When hinge rod one and hinge rod two rotate, they are stretched, thereby causing the rotating shafts and fixed blocks to move synchronously, thus achieving the adjustment of the spacing between the sowing tubes on the multiple fixed blocks.

The utility model discloses a cut waste conveying device of a cotton pleating machine, and belongs to the technical field of conveying devices. The conveying device comprises a frame body; the conveying mechanism is in sliding connection with the frame body in the vertical direction and can reciprocate in the height direction of the frame body; and the driving assembly is used for adjusting the height position of the conveying mechanism. According to the cut waste conveying device of the cotton pleating machine, cotton pleating waste located on the bearing can be shunted through the shunting mechanism, a large number of cotton pleating waste can be conveyed on the same bearing, the cotton pleating waste is not prone to being entangled in the conveying process, the conveying flow degree is increased, the position of the shunting mechanism can be adjusted on the transverse rod, and the conveying efficiency is improved. And in the actual use process, free adjustment can be achieved according to the width of pleat cotton waste, and practicability is improved.

The utility model discloses a telescopic sliding prefabricated jig frame which comprises a bottom frame, the bottom frame comprises a plurality of sets of H-shaped steel, idler wheel grooves are formed in the bottoms of the H-shaped steel at intervals, a plurality of idler wheel sets are installed in the idler wheel grooves, and limiting grooves are formed in the two side walls of each idler wheel groove. The limiting groove penetrates through the side wall of the lower flange of the H-shaped steel to be communicated with the rolling wheel groove, the limiting groove comprises a rolling part, the top of the rolling part is perpendicularly bent rightwards and extends to form a containing part, and the rolling wheel set comprises a connecting rod and a plurality of rolling wheels rotationally connected to the connecting rod; threaded parts are arranged on the portions, penetrating through the limiting grooves, of the two ends of the connecting rod, and locking nuts are arranged on the threaded parts in a matched mode. According to the prefabricated jig frame, the roller grooves are formed in the bottom of the bottom frame, the limiting grooves are formed in the two side walls of each roller groove, the roller sets located in the roller grooves can be stored and unfolded along the limiting grooves, and then the prefabricated jig frame can achieve the temporary transportation function.

This utility model relates to the field of garment processing technology and discloses a dart template, including a working platform. An operating mechanism is installed on the top of the working platform to facilitate the dart-pinching process. An installation mechanism is installed on the front top of the working platform to facilitate the installation and replacement of the template. The operating mechanism includes a fixed square plate installed on the top of the working platform. A sliding square groove is formed in the middle of the fixed square plate, and a fixed plate is fixedly connected to the bottom inner side of the sliding square groove. A movable plate is slidably connected to the top of the fixed plate, and a limit component is installed on the top of the movable plate. In this utility model, the operator pushes the movable plate to slide longitudinally along the fixed plate, achieving precise positioning through the cooperation of the limit blocks. When the movable plate reaches the preset position, the limit blocks engage, providing a stable foundation for subsequent processes and ensuring product quality and work efficiency.

This utility model discloses a storage rack for agricultural products in a cold storage facility, including a support rod with a partition assembly fitted on the support rod; a reinforcing frame assembly is provided between two adjacent partition assemblies; and a base is provided at the bottom of the support rod. This utility model allows adjustment of the pressure between the fixing bolt b and the support rod by rotating and adjusting the fixing bolt b, thereby facilitating the vertical movement of the partition assembly on the support rod and adjusting the spacing between the partition assemblies. When small agricultural products need to be placed, this utility model allows the movable frame to be pushed so that the baffle matches the air circulation channel, effectively preventing the agricultural products from falling. The reinforcing frame assembly in this utility model makes the space between two adjacent partition assemblies more stable, thus making the storage rack of this application more robust.

The utility model discloses an atmospheric particulate sampling device which is characterized by comprising a fan-shaped plate provided with a convex arc groove, a fixed rod arranged at the upper end of the convex arc groove, fixedly connected with the fan-shaped plate, and rotationally connected with a sliding groove; the set of T-shaped shafts are embedded in the sliding grooves respectively, each T-shaped shaft is fixedly connected with an installation rod, each installation rod is fixedly connected with a collection barrel, and a filter plate is installed in each collection barrel; and the convex circular blocks are arranged in the convex arc grooves, and the convex circular blocks are fixedly connected with the corresponding T-shaped shafts. The utility model relates to the technical field of atmospheric particulate sampling, in particular to an atmospheric particulate sampling device. The technical problem to be solved by the utility model is to provide the atmospheric particulate sampling device which is favorable for realizing atmospheric particulate sampling.

The present invention discloses a device for bending and cutting the pins of electrolytic capacitors, and relates to the field of component processing technology. The present invention comprises a bottom plate, a frame body is fixedly installed at the center of the top of the bottom plate, the front and rear sides of the frame body are recessed inward, and the upper and lower limit rotations of the inner part of the frame body are connected with two groups of rollers, the number of the rollers in each group is two, and they are symmetrically distributed, and a conveyor belt is connected between each group of two rollers, and arc grooves are evenly opened on the periphery of the conveyor belt. The present invention can simultaneously realize the shearing and bending of the capacitor pins, the structure is simple and effective, no extra transportation is required, the processing efficiency of the shearing and bending of the capacitor pins is improved, the capacitor pins can be straightened, the accuracy of the capacitor shearing and bending is ensured, the quality of the capacitor bending and cutting pins is improved, and the spacing adjustment of the capacitor pin bending is realized to adapt to the welding holes of the circuit board with different spacings, thereby improving the practicality of the device.

This invention discloses a high-precision dual-purpose adhesive film production device for both forward and reverse coating, comprising a frame, a linear guide rail mounted on top of the frame, and a roller seat drive assembly on the outer side of the frame. The roller seat drive assembly includes a forward coating roller seat and a reverse coating roller seat slidably connected to the outer side of the linear guide rail. A forward coating heating roller is mounted on the forward coating roller seat, and a forward coating scraper is mounted on top of the forward coating heating roller. A reverse coating heating roller is mounted on the reverse coating roller seat. This invention employs a dual-roller seat independent drive combined with a linear guide rail structure, ensuring smooth and skew-free roller movement, fundamentally avoiding the roller slippage problem that occurs during adjustment in traditional equipment. The dual heating rollers allow for functional interchangeability, enabling quick switching between forward and reverse coating modes. The integrated limit, gap adjustment, and gap elimination structures significantly improve the accuracy of adhesive gap control and operational stability, meeting the requirements of high-precision adhesive film production.

The utility model discloses an automobile seat installing and positioning device which comprises four distance adjusting mechanisms, the four distance adjusting mechanisms are fixedly connected through connecting plates, each distance adjusting mechanism comprises a supporting rod and an inserting rod, the supporting rod is provided with an open cavity, the inserting rod is inserted in the open cavity in a sliding mode, and the distance adjusting mechanisms are fixedly connected through the connecting plates. The supporting rod and the inserting rod are connected through a positioning mechanism, the positioning mechanism comprises a supporting block fixedly connected to the outer wall of the supporting rod, a swing rod is rotationally connected to the supporting block, a traction rod is fixedly connected to one end of the swing rod, and a pressing plate is fixedly connected to one end of the traction rod; according to the seat mounting device, the position of a seat to be mounted is accurately positioned, effective alignment of the seat is guaranteed, and the mounting efficiency of the seat is improved.

The preparation method comprises the following steps: S1, selection of raw materials: selecting natural cotton as the raw material of the cotton soft towel, and ensuring that the cotton is good in quality, thin and long in fiber and free of impurities at the same time; s2, processing the raw materials: cleaning the cotton in the S1 through a cleaning machine to remove dust and impurities in the raw materials, and then cross-lapping the cotton through a lapping machine to form a cotton web; and S3, spunlace process: performing two-side spunlace on the cotton web through the spunlace process to obtain a semi-finished cotton pad. The face cleaning and beautifying cotton towel which is soft, good in water absorption and suitable for makeup removal can be prepared, the cotton towel has a good skin care effect and can effectively replace traditional makeup cotton and other face towel products, and when the cotton towel is cut, the cotton towel is not prone to falling off, so that the face cleaning and beautifying cotton towel is suitable for being used for makeup removal. And the distance and the number between the cutters can be freely adjusted, so that the practicability of the cutting device is improved to a great extent.

The utility model discloses a vamp cutting device with high precision, which comprises a cutting table, the cutting table is connected with two groups of first support pieces through a first lifting assembly, two groups of slidable first compression rollers are symmetrically arranged between the two groups of first support pieces, and the distance between the two groups of first compression rollers can be adjusted through an adjusting assembly. The two ends of each set of first pressing rollers are rotationally connected with first sliding blocks, the first sliding blocks are slidably connected with the first supporting pieces, the two sets of first sliding blocks on the same side are each hinged to a set of connecting rods, the other ends of the two sets of connecting rods are hinged to a connecting base, the connecting base is connected with the output end of a first electric push rod, and the first electric push rod is installed on one side of each first supporting piece. Through the lifting assembly, the flattening structure can be driven to ascend and descend, cloth can be pressed, through contraction of the first electric push rod, the connecting base can be pulled to descend, the connecting rod is driven to push the two sets of first sliding blocks to be away from each other, the two sets of first pressing rollers can be driven to roll away from each other, and flattening of the cloth is achieved.

The utility model discloses an automatic cleaning and drying machine which comprises a workbench and a transmission mechanism. Uniformly-distributed conveying rollers are rotationally connected into the workbench, a first support is connected to the front end of the upper surface of the workbench through uniformly-distributed bolts, a flow guide pipe is arranged at the upper end of the first support, uniformly-distributed nozzles are arranged at the lower end of the flow guide pipe, a water collecting tank is arranged at the lower end of the workbench, and a water pump is arranged at the front end of the inner surface of the right side of the water collecting tank; a water outlet of the water pump communicates with the upper end of the flow guide pipe through a guide pipe, the rear end of the upper surface of the workbench also passes through evenly-distributed second supports, evenly-distributed heating pipes are arranged at the upper ends of the second supports, symmetrically-distributed adjusting frames are arranged in the middle of the upper surface of the workbench, and sliding blocks are slidably connected into the adjusting frames. An extrusion roller is rotationally connected between the sliding blocks; according to the automatic cleaning and drying machine, extrusion conveying of products of different specifications can be achieved, and then the cleaning and drying effect of materials is effectively improved.

The utility model relates to a sewing and positioning processing device of rubber composite cloth for diving suit, which belongs to the technical field of diving suit positioning processing and comprises a base, an adjusting device used for adjusting the distance between the rubber composite cloth is arranged at the right end of the upper side of the base, and a sewing device used for sewing the rubber composite cloth is arranged in the middle of the upper side of the base. The adjusting device comprises a driving motor fixedly installed at the right end of the upper side of the base, a first bevel gear fixedly connected to the output end of the driving motor, and a second bevel gear connected to the left side of the first bevel gear in an engaged mode. According to the sewing and positioning processing device for the rubber composite cloth for the diving suit, a first bevel gear is meshed with a second bevel gear to drive two threaded blocks to be close to or away from each other through threads, and the upper sides of the threaded blocks adjust the distance between clamping devices according to the width of the composite cloth.

The utility model discloses a low-noise vibrating screen which comprises a vibrating screen body and a fixing block, a plurality of movable grooves are formed in the upper end face of the fixing block, a cavity is formed in the fixing block, a driving motor is arranged in the cavity, a driving gear is installed on an output shaft of the driving motor, transverse screw rods extending into the cavity are arranged in the movable grooves, and the transverse screw rods are arranged in the fixing block. A transverse screw is installed on the vibrating screen body and connected with a driving gear through a rotating mechanism, a connecting sleeve is installed at the bottom of the vibrating screen body, the driving gear is connected with the connecting sleeve through a connecting mechanism, the transverse screw is sleeved with a movable frame in a threaded mode, and a universal wheel assembly is arranged on the movable frame through a damping shock absorber. According to the vibrating screen, the fixing block, the driving motor, the vertical screw rod, the connecting sleeve, the transverse screw rod, the movable frame, the damping shock absorber, the universal wheel assembly and the like are arranged and used in cooperation, so that the shock absorption operation can be achieved when the vibrating screen body works, and the height of the vibrating screen body can be adjusted.

A miniature distance adjusting device relates to the technical field of machining auxiliary equipment and comprises a wedge-shaped slider and a driving mechanism, the wedge-shaped slider is arranged between an upper roller body and a lower roller body, the driving mechanism drives the wedge-shaped slider to move left and right, one end of the upper roller body is rotatably connected to a sliding seat, one end of the lower roller body is rotatably connected to a fixing seat, and the other end of the upper roller body is rotatably connected to the fixing seat. The lower end face of the wedge-shaped sliding block abuts against the upper edge of the fixing base, the lower edge of the sliding base and the upper end of the wedge-shaped sliding block are provided with inclined faces which are in contact with each other in a matched mode, the sliding base is connected to a vertically-arranged guide rail in a sliding mode, and the wedge-shaped sliding block is driven by the driving mechanism to move left and right so that the wedge-shaped sliding block can abut against the sliding base. And the sliding seat drives the upper roller body to move downwards or upwards so as to adjust the distance between the upper roller body and the lower roller body. The micron-level roll gap adjusting device can achieve micron-level roll gap adjustment, the whole roll gap adjusting process can achieve automation, the structure is compact, responsiveness can be effectively improved, the roll gap distance can be fed back in real time so that adjustment can be conducted, and it is guaranteed that the size of the roll gap is stable.

The utility model relates to the technical field of monocrystalline silicon weighing, and discloses a monocrystalline silicon round rod weight detection device comprising a pedestal; a weighing platform; the two limiting structures are symmetrically arranged at the top of the weighing table and used for limiting silicon rods, each limiting structure comprises side plates and carrier rollers, the side plates are movably connected with the weighing table, screw rods are arranged on the wall faces of the weighing table to drive the two side plates to be close to each other, and the wall faces, close to each other, of the two side plates are rotationally connected with the multiple same carrier rollers. The two side plates are driven by the lead screw to get close to each other, the distance between the carrier rollers on the wall faces of the two side plates is adjusted, the limiting effect on the silicon rods can be guaranteed, meanwhile, the silicon rods can be adapted to a certain range, rubber sleeves on the surfaces of the carrier rollers can protect the surfaces of the silicon rods, and when the silicon rods move along the side plates, the silicon rods can be prevented from being damaged by the inclined carrier rollers. And the carrier roller is pushed to rotate, then the rotating carrier roller can clean the surface of the silicon rod, and the limiting and cleaning dual effects are achieved.

The utility model belongs to the technical field of carton processing, and particularly relates to an automatic bending device for carton edge folding, which comprises a base and further comprises a placing table, the bottom end of the placing table is fixedly mounted at the top of the base, two adaptive grooves are formed in the top end of the placing table, and the bottom end of the placing table is fixedly mounted on the base. Mounting grooves are formed in the inner walls of the sides, close to each other, of the two adaptive grooves, and first electric push rods are fixedly mounted on the inner walls of the two mounting grooves; the number of the telescopic plates is two, the telescopic plates are connected to the inner walls of the bottoms of the corresponding adaptive grooves in a sliding mode, and output shafts of the first electric push rods are fixedly installed on one sides of the corresponding telescopic plates; the bottom end of the bracket is fixedly mounted at the top of the base; the supporting width of the top of the placing table and the distance between the two folding plates are adjusted through a simple structure, so that cartons of different specifications can be bent, operation is convenient, time and labor are saved, and applicability and practicability are high.

The utility model discloses an automatic tightening mechanism for a mascara cream top cover, and particularly relates to the technical field of automatic tightening of top covers. Guide plates which are symmetrically mounted are arranged on the transmission machine; first cylinders are arranged on two sides of one end of the guide plate; a motor is arranged above the middle position of the two first air cylinders; a plurality of supporting arms and pressing blocks are arranged at the bottom of the motor; the pressing block is arranged in a step shape; when the mascara cream conveying device is used, mascara cream bottle bodies are placed on the conveying machine, then top covers are placed on the tops of the bottle bodies, sequential and effective conveying is achieved, and after the bottle bodies are separated from the guide plate, through sensing of the sensor and after two first air cylinders are fixed, a second air cylinder installed on one side of the sliding plate drives a motor to move through an L-shaped frame; a pressing block on the inner side of a motor bottom supporting arm is attached to the top of the top cover, so that the pressing block drives the top cover to rotate; and during downward screwing, the third air cylinder drives the sliding plate to move downwards, compensation of the stroke of the second air cylinder is achieved, and screwing treatment of the top cap and the bottle body is effectively guaranteed.

The utility model discloses a heat sealing device for food bag processing, which comprises a main body, a conveying belt is arranged in the main body, a collecting box is arranged below one side of the conveying belt, and the heat sealing device further comprises a first electric telescopic rod which is arranged on one side above the conveying belt. A second electric telescopic rod is arranged on one side of the first electric telescopic rod, the second electric telescopic rod is fixedly connected with the main body, heat sealing blocks are arranged at the output end of the first electric telescopic rod and the output end of the second electric telescopic rod correspondingly, and the heat sealing device further comprises a transmission cavity formed in the other side of the first electric telescopic rod; a threaded rod is rotationally arranged on the upper side of the interior of the transmission cavity. According to the heat sealing device for food bag processing, the two ends of a food bag can be subjected to heat sealing at a time, efficiency is improved, the heat sealing device can adapt to food bags of different sizes, practicability is improved, meanwhile, pollution to the working environment can be avoided, the body health of workers is guaranteed, and daily use is facilitated.

The present invention discloses a tunnel steel arch frame I-beam plate welding device and method, the device comprises: a conveying mechanism; a first displacement clamping mechanism; a second displacement clamping mechanism; a third displacement clamping mechanism; a connecting plate welding mechanism, comprising a connecting plate plate welding robot, a first connecting plate welding robot and a second connecting plate welding robot; a reinforcing plate welding mechanism, comprising a reinforcing plate plate welding robot and a reinforcing plate welding robot. The present invention combines the two processes of welding connecting plates at both ends of the I-beam and welding reinforcing plates at the joints of the I-beam into one, which can weld connecting plates at both ends of the I-beam and reinforcing plates at the joints of the I-beam, greatly improving production efficiency and reducing production costs, realizing centralized and automated production operations of I-beam plate welding, realizing mass production of steel arch frames, and having accurate mounting positions and good welding effects, thereby ensuring the final product quality of the steel arch frames and meeting production and construction requirements.