48results about How to "To achieve the purpose of clamping and fixing" patented technology

The invention discloses a stabilizing grinding device for bamboo products, which comprises an outer frame, fixing devices are fixedly connected to both sides of the inner wall of the outer frame, and a moving device is fixedly connected to the top of the outer frame, and the bottom of the moving device penetrates the outer frame. frame and extend to the inside of the outer frame, one end of the mobile device inside the mobile device is fixedly connected to the mobile frame, the right side of the mobile frame is fixedly connected to the first motor, and one end of the output shaft of the first motor passes through the mobile frame and extends to The inside of the moving frame, the invention relates to the technical field of bamboo products related equipment. The stable grinding device for bamboo products achieves the purpose of clamping and fixing bamboo products without manual fixing, reduces the burden on workers, ensures the effect of grinding bamboo products, is convenient to adapt to bamboo products of different sizes, improves the practicability of the device, and is convenient The grinding process ensures the quality of the grinding, improves the stability of the device, and is convenient for taking out and placing bamboo products.

The invention relates to the technical field of automotive part machining, and discloses an automotive rim machining device which comprises an outer frame. The bottom of the inner wall of the outer frame is fixedly connected with a rotating motor, the rotating motor is rotatably connected with a first gear through an output shaft, the first gear is rotatably connected with a second gear through achain, the second gear is fixedly connected with a rotating spindle through a flat key, the top of the rotating spindle is fixedly connected with a worktable, the second gear is rotatably connected with the worktable through the rotating spindle, the top of the worktable is fixedly connected with a rim clamping device, the top of the inner wall of the outer frame is fixedly connected with a lifting motor, and the lifting motor is rotatably connected with a first conical gear through an output shaft. The automotive rim machining device solves the problems that current machining equipment is inapplicable to paint spraying, a paint spraying frame inconveniently moves in machining, and consequently, paint is non-uniformly sprayed. Adjustment in height and horizontal directions is facilitated,and the paint spraying frame can freely move.

The invention discloses an easy-to-use water jet cutting machine and a method for using the same. It comprises an outer frame, a sliding plate is fixedly connected between the two sides of the inner wall of the outer frame, and the surface of the sliding plate is slidably connected with a moving plate, and the left side of the moving plate is fixedly connected with a moving device, the left side of the moving device is fixedly connected with a spring bar, and the left end of the spring bar is fixedly connected with the left side of the inner wall of the outer frame, and the right side of the moving plate is fixed A stabilizer is connected, and the invention relates to the technical field of water jet cutting machines. The easy-to-use water jet cutting machine achieves the purpose of adjusting the position of the cutting head, and can cut in different positions, which is convenient for people to use, improves the practicability of the device, prevents the workpiece from shifting, and ensures the quality of cutting. It is convenient to adapt to different workpieces, improve the use range of the device, prevent waste of resources, make the device more environmentally friendly, and save production costs at the same time.

The invention relates to a punching device, in particular to a punching device used for folding stool machining. The punching device used for folding tool machining is capable of improving efficiency,simplifying operation process and fixing wood. According to the technical scheme, the punching device used for folding stool machining comprises bases, a sliding rail plate, a punching mechanism anda clamping mechanism; at least four bases are connected to the bottom of an installation plate; the sliding rail plate is connected to one side of the top of the installation plate; the punching mechanism is connected to the position, away from the side with the sliding rail plate, of the installation plate; and the clamping mechanism is connected to the top of the sliding rail plate in a slidingmanner. Due to the cooperation of a motor, a rotating shaft, a rack lever and a striking machine, the purpose of punching the wood is achieved, and efficiency is improved; and due to cooperation of apull ring rod, a spring, a baffle and a second sliding plate, the purpose of clamping and fixing the wood is achieved.

The invention discloses an edge polishing device for computer production. The edge polishing device comprises an outer frame; a screw rod is rotationally connected between the top and the bottom of the inner wall of the outer frame; a moving block is in threaded connection with the surface of the screw rod; a supporting plate is rotationally connected on the left side of the moving block through a connecting rod; an electricity box is fixedly connected at the top of the supporting plate; a motor is fixedly connected on one side of the inner wall of the electricity box; one end of an output shaft of the motor penetrates through the electricity box and extends to the outside of the electricity box; one end, located outside the electricity box, of the output shaft of the motor is fixedly connected with a polishing head; the bottom of the supporting plate is fixedly connected with a supporting column; the bottom end of the supporting column is glidingly connected with a sliding plate; and the bottom of the sliding plate is fixedly connected with the bottom of the inner wall of the outer frame. The invention relates to the technical field related to computers. With the edge polishing device, the position of the polishing head can be adjusted, the device can adapt to cases in different sizes and can be used by a worker conveniently, the working efficiency can be improved, the polishing quality is guaranteed, and the burden of the worker is reduced.

The invention discloses an adjustable-inclination angle bench clamp, which comprises a base (12), a fixed jaw (4), a movable jaw (3), a screw mechanism and a tilting mechanism, wherein the fixed jaw (4) is hinged with the base (12); the left and right side end faces of the fixed jaw (4) are fixed with two guide pins (2) and a screw (8); the movable jaw (3) has three holes; the two guide pins (2) and the screw (8) are positioned in the through holes respectively; the front end of the screw (8) is linked with a nut (1); the tilting mechanism comprises a worm (9) and a sectorial worm gear (5); the worm gear (5) is fixedly connected with a fixed jaw (4); the base (12) is provided with a radial hole (10); the worm (9) is positioned in the radial hole (10) and can rotate; an arc opening is formed on the upper part of the base (12); and the worm gear (5) is in transmission connection with the worm (9) in the arc opening. The bench clamp improves workpiece processing accuracy and labor and production efficiency.

The invention discloses a metal casting pouring device convenient to use, and relates to the technical field of metal casting. The device comprises an outer frame. A fixing frame is fixedly connectedto the bottom of the inner wall of the outer frame. A fixing device is fixedly connected to the right side of the inner wall of the fixing frame, a first motor is fixedly connected to the top of the inner wall of the outer frame, a lead screw is fixedly connected to one end of an output shaft of the first motor, and rotating bases are rotationally connected to the two ends of the lead screw. According to the metal casting pouring device convenient to use, the purpose of clamping and fixing a mold is achieved, the phenomenon that the mold shakes in the pouring process, it is ensured that pouring is performed, the pouring quality is improved, the mold is damped and buffered, the phenomenon that the influence caused by shaking on pouring is avoided, the device stability is improved, pouring can be conveniently controlled, the phenomenon that waste of molten metal is caused due to excessive pouring is avoided, energy is saved, no artificial monitoring is needed, and burdens of workers arerelieved.

The invention discloses a storage device for medical equipment in cosmetic surgery. The storage device for medical equipment in cosmetic surgery comprises a high-efficiency heat preservation storage mechanism, a storage cover, an electricity storage box, a control panel, a start switch, a digital display screen, a heat dissipation tank and universal wheels. The improved storage device is fixedly connected with one end of a motor output shaft by arranging a rotating mechanism, and heaters are fixedly connected to both sides of the top of a partition plate, so that the purpose of uniform heatingis achieved, the damage of medicines is prevented, the quality of the medicines is guaranteed, the purpose of clamping and fixing the medicines is achieved, the damage of the medicines due to vibration is prevented, the practicability of the device is increased, and medical personnel can conveniently take and place the device; and the storage cover is opened, and then the medicines are placed atthe top of a buffer seat, so that the medicines squeeze a fixed head to both sides, a connecting rod is driven to move. A spring rod and a first spring are squeezed separately through a top seat and abase, and the medicines are fixed under the elastic action of the spring rod and the first spring.

The invention discloses an automatic pipeline feeding device and relates to the technical field of pipeline machining equipment. The automatic pipeline feeding device comprises an outer frame. A top plate and a bottom plate are fixedly connected between the two sides of the inner wall of the outer frame in sequence from top to bottom. The bottom of the inner wall of the outer frame is fixedly connected with a first motor. One end of an output shaft of the first motor is fixedly connected with a first belt wheel. The surface of the first belt wheel is in transmission connection with a second belt wheel through a belt. The back face of the second belt wheel is fixedly connected with a first gear. One side of the first gear is engaged with a second gear. According to the automatic pipeline feeding device, a pipeline can be clamped and fixed to be prevented from deviating in the cutting process, and the fixing effect is improved; manual clamping and manual feeding are not needed, operationis easy, the labor quantity of workers is relieved, and using of people is facilitated; and feeding is facilitated, the using performance of the device is improved, feeding precision is guaranteed, and errors caused by manual feeding are avoided.

The invention provides a pull-out test device for a lined PVC (polyvinyl chloride) sheet of a reinforced concrete drainage pipe. The device comprises a support, a chuck, a lifting hook, a pulling assembly and a tension meter, wherein the pulling assembly comprises a base, a rotary sleeve, a vertical lifting screw rod, a second positioning pin and a plurality of first positioning pins; a through hole penetrating through the upper end surface and the lower end surface is formed in the base; the rotary sleeve is arranged in the through hole of the base in a sleeving manner; the upper part of the rotary sleeve extends out of the through hole; an annular groove is formed in the lower part of the outer wall of the rotary sleeve; a plurality of first positioning holes are formed in the upper part of the side wall of the base; the plurality of first positioning pins penetrate through the first positioning holes respectively to extend into the groove; the lifting screw rod is matched with the rotary sleeve; a guide groove is formed in the side wall of the lifting screw rod; a second positioning hole is formed in the lower part of the side wall of the base; the second positioning pin penetrates through the second positioning hole to extend into the guide groove of the lifting screw rod; the support and the base are fixedly connected; the lower end of the screw rod is fixed with the upper end of the tension meter; and the chuck is fixed at the lower end of the lifting hook. The pull-out test device has the benefits and the technical effects as follows: the structure is simple and the measurement effect is accurate.

The invention discloses an office file storage cabinet, which comprises an outer frame. A partition plate is fixedly connected between the two sides of the inner wall of the outer frame. The bottom ofthe partition plate is fixedly connected with a pressing plate through a first spring. Connecting rods are rotationally connected to the two sides of the top of the pressing plate. One ends of the connecting rods are slidably connected with a bottom frame through sliding heads. The top of the bottom frame is fixedly connected with the bottom of the partition plate. A second spring is fixedly connected between one side of the sliding heads and one side of the inner wall of the bottom frame. A telescopic rod is fixedly connected to the top of the right side of the inner wall of the outer frame.A vertical plate is fixedly connected to one end of the telescopic rod. A clamping and locking device is fixedly connected to the bottom of the vertical plate. A clamping device is fixedly connectedto the left side of the vertical plate. A fixing device is fixedly connected to the left side of the top of the partition plate. According to the office file storage cabinet of the invention, the invention relates to the technical field of office equipment. The office file storage cabinet can clamp and fix files, so that files are prevented from falling off and getting lost. Different numbers of files can be stored conveniently.

The invention discloses a mechanical part machining and clamping table which comprises a working frame and a working table. The working table is located on the top of the working frame. A clamping table is arranged at the middle position of the top of the working table. A rotating motor is fixedly connected to one side of the top of the clamping table. A rotating thread rod is installed on an output shaft of the rotating motor through a coupler. Clamping racks are installed on the two sides of the rotating thread rod through movable sliding sleeves. Each clamping rack comprises an installing base, a first clamping base and a second clamping base, wherein the first clamping base and the second clamping base are fixedly connected with the installing base through an installing rod. The invention relates to the technical field of mechanical part machining. According to the mechanical part machining and clamping table, the purpose of clamping and fixing a mechanical part is achieved, more parts can be clamped and fixed through two fixing manners and the replaceable clamping base, the mechanical parts can be machined conveniently, the overall structure is simple, later-period maintenanceis convenient, the cost is low, and garbage piling is effectively prevented.

The invention relates to the technical field of holders, and discloses an automatic holder connecting mechanism. The automatic holder connecting mechanism comprises a bottom plate, wherein a horizontal adjusting box is rotationally connected to the top of the bottom plate, a first driving mechanism used for driving the horizontal adjusting box to rotate transversely on the bottom plate is arrangedin the horizontal adjusting box, two symmetrical supporting plates in the vertical direction are fixedly connected to the top of the horizontal adjusting box, a pitching adjusting box located over the horizontal adjusting box is rotationally connected between the two supporting plates, and a second driving mechanism used for driving the pitching adjusting box to rotate longitudinally between thetwo supporting plates is arranged in the pitching adjusting box. By arranging clamping plates and a sliding assembly on the pitching adjusting box, the purpose of clamping and fixing a mobile phone ora tablet personal computer is achieved; and compared with most products fixed through magnetic attraction on the market, the device can fix the mobile phone or the tablet personal computer more stably, and the risk that the mobile phone or the tablet personal computer falls off due to excessive weight or excessive rotating amplitude is lowered.

The invention relates to building material machinery, in particular to an extending-and-contracting drill bit grinding device. The extending-and-contracting drill bit grinding device comprises a vertical plate adjustment mechanism, a bottom adjustment mechanism, a top pressing mechanism and an adjustment grinding mechanism. The bottom adjustment mechanism is fixedly mounted on the vertical plate adjustment mechanism. The top pressing mechanism is fixedly mounted on the vertical plate adjustment mechanism. The adjustment grinding mechanism is fixedly mounted on the top pressing mechanism. The device can be arranged to be in two states, and edges and notches of plates can be ground; and in the grinding process, on the premise that the grinding effect is guaranteed, the abrasion degree of grinding wheels can be lowered to the greatest extent; the service life of each grinding wheel is prolonged; and the machining cost is lowered.

The invention discloses a split type textile yarn winding structure with a controllable size. The split type textile yarn winding structure comprises a winding structure body, a main support, a motor,a rotating shaft, a first clamping cover, an auxiliary support, a rotating frame, a second clamping cover, a winding drum, a screw rod and a bearing, wherein the main support is arranged on the winding structure body, the motor is fixed on the outer side of the main support, the auxiliary support is fixed on the other side of the main support through a bolt, mounting grooves are formed in the inner sides of the first clamping cover and the second clamping cover, the inner diameter of the mounting grooves is larger than the diameter of the outer end of the winding drum and the diameter of a flange, the diameter of the outer end of the winding drum is the same as the diameter of the flange, and meanwhile, through holes are formed in the middle parts of the winding drum and the flange in a penetrating mode. According to the split type textile yarn winding structure with the controllable size, an existing yarn winding structure is improved, so that winding drums with different sizes can be clamped and fixed according to use requirements, shaking is avoided when the winding drum rotates, and stable winding operation of yarns is facilitated.

The invention discloses a damping industrial microwave device with a fixed clamping structure. The device comprises a supporting plate, wherein a supporting frame is fixedly connected to the bottom ofthe supporting plate, a first connecting rod is fixedly connected to one end of the supporting frame, the surface of the first connecting rod is sleeved with a sleeve ring, a first transmission rod is welded to the side face of the sleeve ring, the surface of the first transmission rod is fixedly connected with a limiting frame, the side face of the limiting frame is movably connected with a second transmission rod, the left side of the second transmission rod is fixedly connected with a first spring, the side face of the first spring is fixedly connected with a limiting ring, and the right side of the second transmission rod is rotationally connected with a clamping rod. According to the invention, a motor drives a transmission block to rotate, when the transmission block rotates, a first driven block and a second driven block are driven to form a reverse rotation structure, and then the first driven block and the second driven block drive two sets of sliding blocks to slide throughtwo sets of transmission rods, so that the purpose of clamping and fixing materials through the clamping blocks is achieved.

The invention relates to the technical field of automobile part machining, and particularly relates to an automobile part clamp convenient to use. The automobile part clamp comprises a mounting base and a base, wherein fixing plates are symmetrically arranged on the left side and the right side of the bottom of the mounting base; fixing holes are formed in the fixing plates; an inner cavity is formed in the mounting base; a first through groove is formed in the middle of the top of the mounting base; a buffer plate penetrates through the first through groove; the upper end of the buffer plateis connected with the base; a limiting plate is arranged at the lower end of the buffer plate; and limiting grooves are symmetrically formed in the left inner side wall and the right inner side wall of the mounting base. According to the automobile part clamp convenient to use, through design and use of a series of structures, the damping and buffering functions are achieved, the distance betweenclamping plates can be adjusted according to needs, and then the use efficiency of the automobile part clamp is improved; and the automobile part clamp is novel in structure, reasonable in design, convenient to use and high in practicability.

The invention discloses an automatic bagging and weighing detection device. The automatic bagging and weighing detection device comprises a mounting frame, wherein a feeding conveying pipe is embedded in the inner top wall of the mounting frame, a feeding pipe communicating with an external material tank is embedded in the side wall of the feeding conveying pipe, an auger blade is arranged in the feeding conveying pipe, a first servo motor for driving the auger blade is arranged at the top end of the feeding conveying pipe, and a weighing mechanism is arranged on the surface of the feeding conveying pipe. According to the automatic bagging and weighing detection device, by arranging a bagging mechanism, the purposes of opening a packaging bag and enabling the packaging bag to be arranged on the surface of the feeding conveying pipe in a sleeving mode can be achieved, and by arranging connecting rods, rectangular pressure-bearing rings and weighing sensors, in the discharging process, pressure applied to the weighing sensors by the rectangular pressure-bearing rings can be detected through the weighing sensors, the purpose of detecting the weight of materials in a packaging bag is achieved, manual bagging and weighing operation is not needed, the production efficiency of an enterprise is greatly improved, and the product weight error is reduced.

The invention discloses a mechanical lower limb machining device comprising a cutting mechanism, a cooling and scrap removing mechanism, an operation table, a supporting plate and a fixing mechanism,the left side and the right side of the bottom of the operation table are fixedly connected with the top of the supporting plate, and the top of the operation table is fixedly connected with the bottom of the cutting mechanism. The right side of the top of the operation table is fixedly connected with the middle of the cooling and scrap removing mechanism in the cutting mechanism, and the top of the operation table is fixedly connected with the bottom of the fixing mechanism at the left side of the cooling and scrap removing mechanism. According to the mechanical lower limb machining device, amechanical lower limb part needing to be machined and cut is placed between a movable clamping plate and a fixed clamping plate, a threaded rod is rotated by rotating a handle, the movable clamping plate can be effectively close to the fixed clamping plate through cooperation of a connecting piece and a nut, the purpose of clamping and fixing the mechanical lower limb part through the movable clamping plate and the fixed clamping plate is effectively achieved, and therefore the problem that effective and rapid fixing cannot be achieved in the mechanical lower limb machining process can be effectively solved.

The invention discloses a tundish lining qualitative refractory plate. The tundish lining qualitative refractory plate comprises a refractory plate material installation structure, the refractory plate material installation structure comprises refractory plate assembly main bodies, the refractory plate assembly main bodies are assembled to form the refractory plate material installation structure,and the refractory plate assembly main bodies are fixedly connected into a whole; each refractory plate assembly main body comprises an inner lining plate, a fixing main body, first connecting blocksand a tightening main body; the tightening main bodies are bottled together to form a cylindrical furnace wall, and the tightening main bodies are fixedly connected into a whole; each inner lining plate is clamped and installed at the front ends of the corresponding first connecting blocks; the first connecting blocks are symmetrically arranged on the outer wall of each tightening main body, andthe front walls of the first connecting blocks are in sliding contact with the rear wall of each tightening main body; each fixing main body is in sliding contact with the corresponding tightening main body; and each fixing main body penetrates through the corresponding first connecting blocks in a sliding mode. According to the tundish lining qualitative refractory plate, the lining plates can beconveniently assembled, and the use requirements can be better met.

The invention relates to the technical field of evaporation, in particular to an integrated multi-section multi-effect plate type evaporation device. The device comprises an evaporation mechanism, and the evaporation mechanism comprises a bottom plate, two vertical plates are fixed to the upper portion of the bottom plate; a sliding part is arranged on the upper portion of the bottom plate, plate bodies are placed on the upper portion of the sliding part, and the plate bodies abut against one another; a clamping plate is placed on one side of one plate body, and a pushing component is installed on one side of the clamping plate. According to the device, under the acting force of a spring, a moving block is pushed to drive push rods to move, and when the two push rods abut against each other, each plate body is conveniently separated, so a user can conveniently detach the plate bodies, and the user can conveniently maintain the plate bodies.

The invention belongs to the technical field of medical auxiliary equipment, and particularly relates to clinical medical auxiliary oxygen inhalation equipment. The clinical medical auxiliary oxygen inhalation equipment comprises a base, a box body and an operation table, and further comprises a fixing rod, wherein the box body is fixedly connected to the upper surface of the base, the operation table is fixedly connected to the upper surface of the box body, the fixing rod is fixedly connected to the upper surface of the operation table, a clamping assembly is arranged on the side face of the fixing rod, and a transmission bin is arranged in the operation table. According to the clinical medical auxiliary oxygen inhalation equipment, a motor, a first threaded column and a second threaded column are arranged, when people need to fix an oxygen generator, people only need to control the motor to operate through a control switch, so that the first threaded column and the second threaded column are driven to rotate, under the cooperation action of the first threaded column, the second threaded column and a threaded cap, two sets of clamps are driven to move towards the middle, so that the oxygen generator is fixed, and the oxygen generator is prevented from moving or falling off in the moving process.

The invention relates to a wireless communication module test system which comprises a mounting plate, two grooves are formed in the front side of the mounting plate, a first bearing and a third bearing are fixedly connected to the left side face and the middle of the inner wall of each groove respectively, and a first rotating shaft and a third rotating shaft are arranged in the first bearing and the third bearing in a penetrating mode respectively. A right-hand threaded column is fixedly connected between the first rotating shaft and the third rotating shaft. Compared with the prior art, the wireless communication module test system has the beneficial effects that the analysis module, the comparison module and the database are adopted, so that compared with the prior art, the wireless communication module test system can analyze signal strength and transmission sensitivity and compare analysis data with set data through the comparison module, and the test purpose is achieved. Due to the fact that the draught fan and the semiconductor cooler are adopted to work, external air can be refrigerated through the semiconductor cooler and then conveyed to the wireless controller through the heat dissipation holes, and the purpose of conducting heat dissipation on the wireless controller is achieved.

The invention relates to an edible oil filling machine with an automatic feeding and discharging structure. The machine comprises a main body and a hydraulic air cylinder, wherein an inner seat is fixedly arranged at the rear end of the main body, an oil tank head is installed on the front side of the top end of the main body, an installation inner chamber is arranged inside the top end of the inner seat, article placing penetrating holes are formed in the left side and the right side of the bottom end of the inner seat, side-connection conveying mechanisms are installed in the middles of thearticle placing penetrating holes, cross bar strips are connected to the outer sides of the side-connection conveying mechanisms, indented walls are arranged at the upper ends of the cross bar strips,fixing screws are installed on the outer sides of the bottom ends of the cross bar strips, the outer sides of the fixing screws are connected with outer edge seats, and the outer sides of the outer edge seats are provided with crawler belts. The edible oil filling machine with the automatic feeding and discharging structure has the beneficial effects that a central partition plate and a connecting penetrating rod are arranged, through action of the hydraulic air cylinder, a positioning plate strip can be driven to be lifted, then the connecting penetrating rod is enabled to move up and down along with the positioning plate strip, so that automatic operation on a device body can be facilitated.

The invention belongs to the field of carrying tools, particularly relates to an aerated block carrying device for building engineering construction, and aims at solving the problems that an existing carrying device is generally a carrying trolley for engineering construction, the structure is simple, workers need to load and unload materials during carrying, aerated blocks are large in size, loading and unloading are time-consuming and labor-consuming, and the cost is high. According to the technical scheme, the carrying device comprises a carrying vehicle frame, a push rod is fixedly connected to the carrying vehicle frame, lifting plates are slidably mounted on the two sides of the carrying vehicle frame, two fixing plates are fixedly connected to the bottoms of the two lifting plates, wheels are arranged on the four fixing plates, and the wheels are fixedly connected to the two sides of the carrying vehicle frame. And a plurality of extrusion mechanisms are arranged on the inner walls of the two sides of the carrying frame correspondingly, the multiple extrusion mechanisms on the two sides are fixedly connected with the same clamping plate correspondingly, when the aerated block carrying device is used, aerated blocks can be conveniently fed and discharged, time and labor are saved, and the carrying efficiency of workers is effectively improved.

The invention relates to the technical field of product packaging, and particularly discloses a packaging machine which comprises a support, a clamping mechanism, an air exhausting mechanism and a packaging mechanism. The air exhausting mechanism comprises an air cylinder and a screw rod rotatably connected with the air cylinder; the screw rod comprises an upper screw rod and a lower screw rod with opposite threaded directions; a piston is in threaded connection onto the lower screw rod and is slidably connected with the air cylinder; a vent hole is formed in the air cylinder; a support tableis arranged under the vent hole; a converter plate is hinged to the right end of the support table; a torsional spring is arranged between the support table and the converter plate; a conveyor belt isarranged under the converter plate; the packaging mechanism comprises a connecting rod and a heating block; the connecting rod is in threaded connection with the upper screw rod; the clamping mechanism comprises an elastic telescopic rod and a clamping block connected fixedly; a through hole is formed in the clamping block; a brake rod is fixedly connected onto the elastic telescopic rod; and a fastener is arranged between the connecting rod and the clamping block. By adopting the scheme, a packaging bag can be clamped and straightened so as to be used for packaging, and the occurrence of thephenomenon that a worker is easy to get a burn when carrying out the packaging bag straightening process is avoided.

The invention provides a communication engineering capacitor clamping device. The communication engineering capacitor clamping device comprises a clamping mechanism and an adjusting mechanism, the clamping mechanism comprises a threaded rod, a bottom plate, a threaded block, a clamping plate, a vertical plate and a clamping hoop, one end of the threaded rod is rotatably connected with the bottom plate, the outer side of the threaded rod is in threaded connection with the threaded block, and the top of the threaded block is fixedly connected with the clamping plate. The vertical plate is fixedly connected to the top of the bottom plate, and clamping hoops are arranged on one side of the vertical plate and one side of the clamping plate; the adjusting mechanism comprises an adjusting rod, a fixing hole, a fixing bolt and an adjusting block; according to the communication engineering capacitor clamping device, the clamping plate is driven by the threaded block to move, the clamping plate moves to drive the clamping hoop on one side of the clamping plate to move, and after the clamping plate moves to the clamping position, the clamping plate is matched with the clamping hoop on one side of the vertical plate to clamp and fix a capacitor, so that the purpose of clamping and fixing the communication engineering capacitor is achieved, the clamping and fixing effect is good. The vibration amplitude of the communication engineering capacitor in use can be effectively reduced, and the service life of the capacitor is prolonged.