72 results about "Scissors mechanism" patented technology

A portable folding pulling cart includes a pulling cart frame. The pulling cart frame includes a folding frame and a wheel mechanism configured to be mounted on the folding frame. The folding frame includes two first scissor mechanisms arranged at intervals in a left-and-right direction and two second scissor mechanisms arranged at intervals in a front-and-rear direction. Each of the two first scissor mechanisms includes at least two first scissor units, and each of the two second scissor mechanisms includes at least one second scissor unit. An upper part of one of connecting rods of adjacent two first scissor units is bent. The upper ends of the adjacent two first scissor units are respectively pivotally connected to two upper pivoting points, and the lower ends of the adjacent two first scissor units of the at least two first scissor units are respectively pivotally connected to two lower pivoting points.

The utility model discloses an independent single-channel pressure-free square bottle feeding device which comprises a machine frame, a plurality of conveying chains, a driving device, bottle lacking detection devices, supports, supporting rods, partition plates and fasteners, the conveying chains are installed on the machine frame and independently driven, the bottle lacking detection devices are arranged at the two ends of the machine frame, the supports are vertically arranged on the two sides of the machine frame, the supporting rods are arranged at the upper ends of the supports, and the partition plates are arranged on the supporting rods. The supporting rod is sleeved with a partition plate and a fastener. A width adjusting device is further arranged on the machine frame and comprises a shaft seat, a guide rod, a sliding block and a shear fork mechanism, the sliding block is connected with the conveying chain, and the shear fork mechanism is composed of a connecting rod and a plug pin. The sliding blocks at the two ends are connected with a push plate, and the push plate is provided with a nut, a lead screw, a mounted bearing and a crank handle. The crank handle is rotated to rotate the lead screw to drive the sliding blocks to move, the shear fork mechanism stretches out and draws back, the distances between the sliding blocks are kept the same, and the conveying chains are driven to synchronously adjust the distances to adapt to bottles of different sizes. The device can effectively adjust the distance between the conveying chains, meet the requirements of different bottles, and improve the production efficiency and the product quality.

This invention discloses a scissor device for a glove machine, comprising a scissor mechanism, a thread-hooking mechanism, a linear motion guiding mechanism composed of a linear guide rail and a slider, and a motion driving mechanism connected to the slider. The scissor mechanism includes a moving blade and a stationary blade forming the scissors, and a moving blade driving mechanism. The stationary blade is fixedly installed relative to the slider. The linear guide rail is supported by a bracket and installed above the needle plate of the glove machine. The thread-hooking mechanism includes at least two thread-hooking arms, at least one thread-clamping arm, and a thread-hooking and thread-clamping driving mechanism. The front end of the thread-hooking arm is provided with a thread hook, and the front end of the thread-clamping arm is provided with a thread-clamping part that cooperates with the thread hook. The rear ends of all the thread-hooking arms and the rear ends of the thread-clamping arms are fixedly connected. Thread-hooking arms are respectively provided on both sides of the scissor mechanism. The moving blade driving mechanism and the thread-hooking and thread-clamping driving mechanism are connected using the same power mechanism. This invention solves the problem of existing glove machines leaving thread ends on the outer surface of the glove, and realizes that the left thread ends are located on the inner surface of the glove, simplifying the structure.

The utility model discloses a scissor seat for an air-jet loom, relates to the field of air-jet looms, and aims to solve the problems that the horizontal position of a scissor component is inconvenient to adjust due to fixed connection between an existing scissor seat and a mounting plate, and the scissor component is inconvenient to adjust when a weft pushed by a pushing mechanism on the air-jet loom is far away from a scissor mechanism. And the problem that the weft cannot be cut off is solved. A scissor assembly is fixedly connected to the front end of the mounting plate, rectangular limiting parts are fixedly connected to one sides of the lower ends of the front end and the rear end of the mounting plate, a scissor seat is connected to one side of the lower end of the mounting plate, a guide rail is fixedly connected to the upper end of the scissor seat, and a first limiting sliding groove is formed in the middle of the upper end face of the guide rail. And a screw rod is rotationally connected to the middle of the interior of the first limiting sliding groove, second limiting sliding grooves are formed in the guide rail and located at the lower ends of the front end and the rear end of the first limiting sliding groove, and the middle of the shear base is connected with a rack in a sleeved mode.

The application discloses a strawberry picking end effector and a working method thereof. The effector comprises a grabbing mechanism, an electric scissors mechanism and a controller. The electric scissors mechanism comprises a scissors frame, a micro electric push rod and a scissors connecting rod. The scissors frame comprises two symmetrically arranged X-shaped cross rods. The two ends of the same side of the two X-shaped cross rods are connected by one scissors connecting rod. The two ends of the same side of the two scissors connecting rods are connected by one micro electric push rod. The grabbing mechanism is arranged between the two X-shaped cross rods. The grabbing mechanism comprises a mechanical palm and pneumatic fingers. The mechanical palm is installed in the middle of the scissors frame. The pneumatic fingers are arranged on one side of the mechanical palm in a plurality of and circumferential arrangement. The pneumatic fingers are located on one side of the cutting part of the scissors frame. In the application, the pneumatic flexible mechanical fingers are used to grab the strawberries, so that the picking process is beneficial to avoid the mechanical damage of the strawberries.

The utility model belongs to the technical field of food processing equipment, and particularly relates to a cutting device and a shearing machine, the cutting device comprises a conveying channel, a cutter and a shear mechanism, the conveying channel is provided with a first gap and a second gap which are arranged at intervals along the conveying direction, the first gap is located at the upstream of the second gap, and the cutter corresponds to the first gap. The cutter is arranged in the first gap, the axial direction of the cutter is parallel to the conveying direction of the sausage string, part of the cutter can stretch into the first gap, the cutter can rotate around the axial direction of the cutter to cut the part, connected with the rear end of the knot, of the deformation part, the scissor mechanism corresponds to the second gap, the output end of the scissor mechanism stretches into the second gap, and the knot is provided with a cutting-off position used for cutting off of the scissor mechanism. The distance between the cut-off position and the front end of the nodule is 2-5 mm. According to the cutting device, the cutter is matched with the scissors mechanism, so that the conditions of cutter clamping or non-cutting and the like can be avoided, the cutting device is simple in overall structure, waste of raw materials can be reduced, working efficiency can be improved, and the service life can be prolonged.

A holder apparatus comprises a scissor mechanism with opposing scissor members joined by a pivot rod, and a traction mechanism connected to a traction handle. Lifting the handle causes the scissor members to close, gripping planar objects between opposing lower legs. The lower legs are laterally adjustable using slide brackets locked along crossmembers. Retention rails with rubber grips enhance friction. The apparatus enables secure, tool-free handling and transport of stacked planar objects.

The utility model relates to a brush mechanism, which comprises a casing, a brush and a brush control mechanism, the casing is mounted above a flat knitting machine, a sliding plate is mounted at the top of the brush, the sliding plate is slidably connected into the casing, the brush faces the flat knitting machine, the brush control mechanism is mounted on the casing, and the brush control mechanism is mounted on the casing. The brush control mechanism drives the brush to slide back and forth in the sliding direction of the sliding plate through the swing arm. According to the brush mechanism, when the scissors mechanism clamps the yarn to come, the brush can move upwards, and the brush is prevented from being in contact with the yarn.

The utility model relates to the technical field of air-jet looms, in particular to a scissor mechanism of an air-jet loom. Comprising a scissor structure and an adjusting structure, the adjusting structure comprises a lead screw in the Y-axis direction and a nut pedestal, the scissor structure is fixedly installed above the nut pedestal and comprises a fixed edge cutter and an inclined cutter, the cutting edge of the fixed edge cutter is kept horizontal with the nut pedestal, and the side face of the inclined cutter abuts against the fixed edge cutter. The structure can adapt to spinning threads of various thicknesses, cutting can be achieved by adjusting the position of the inclined cutter while the structure faces the spinning threads of different thicknesses, and the corresponding working efficiency can be improved.

The utility model relates to a scissors mechanism and a transverse driving device of the scissors mechanism, comprising a scissors part, the scissors part swings through a scissors control mechanism, two sides of the scissors part are respectively provided with a first clip guide rail and a second clip guide rail, the first clip guide rail corresponds to a first wire hook and a first wire clamp, and the second clip guide rail corresponds to a second wire hook and a second wire clamp. The first thread hook and the first thread clamp are in linkage with the first swing part through a first transmission mechanism, the second thread hook and the second thread clamp are in linkage with the second swing part through a second transmission mechanism, and when a machine head of the flat knitting machine moves back and forth, the first thread hook and the first thread clamp are driven by the first swing part to move along the first clamp guide rail; the second wire hook and the second wire clamp are driven by the second swing piece to move along the second clamp guide rail. According to the scissors mechanism, the first thread hook and the first thread clamp are matched with each other, so that the scissors part can cut off the yarn to clamp and loosen the yarn, the thread end is hidden into the fabric, and the labor cost is reduced.

The present application relates to a kind of scissors mechanism and cutting thread clamping method, including the main scissors component, the auxiliary scissors component and the scissors part being arranged on guide rail, the main scissors component and the auxiliary scissors component are in the engagement and disengagement cooperation, scissors part is arranged between the main scissors component and the auxiliary scissors component, the main scissors component includes first thread hook and first thread clamp, the auxiliary scissors component includes second thread hook and second thread clamp, when the main scissors component and the auxiliary scissors component hook thread and clamping yarn, drive scissors part to cut yarn.This kind of scissors mechanism of the present application can be held and de-threaded by the first thread hook and the first thread clamp of the first thread hook and the first thread clamp of the present application cooperates to cut yarn with the scissors part, hide the end of thread into the interior of fabric, to realize the processing of terminal yarn, reduce labor cost and many other advantages.

The utility model provides a movable type telescopic device which comprises a frame, the frame is composed of a plurality of supporting frames arranged at intervals, a sliding rail is arranged on the inner side of any supporting frame, and a limiting groove is formed in the sliding rail; the scissor fork type mechanism is arranged among the multiple supporting frames, and the scissor fork type mechanism is movably connected into the sliding rail through a connecting rod set so that the scissor fork type mechanism can be switched between a retracting state and an opening state; at least one end of the connecting rod set is provided with an adjusting structure used for being matched with the limiting groove in a limiting mode. When the adjusting structure is adjusted to enter the limiting groove, the connecting rod set is limited to move relative to the sliding rail. The utility model solves the technical problem that the fireproof effect of the fireproof isolation device is reduced due to the fact that the shear fork type telescopic component of the existing fireproof isolation device is difficult to keep a stable working state and can retract when in use, and the flexible fireproof material is pulled to retract.

This utility model discloses a stacking scissor-type electric screw lifting platform, including a base and a platform. Symmetrical sliding grooves are formed on the upper left side of the base, with a screw rotatably connected inside the grooves. One end of the screw passes through the base and is fixedly connected to a bevel gear. A movable block is set on the outer surface of the screw. A scissor mechanism is set on the upper end of the base, and the platform is set on the upper side of the scissor mechanism. Symmetrical mating grooves are formed on the lower end of the platform, with guide rods installed inside the grooves. Guide blocks are fitted on the outer surface of the guide rods. The upper and lower right ends of the scissor mechanism are fixedly connected to the base and the platform, respectively. This utility model, through the flip-out extension mechanism at both ends of the platform, can flexibly expand the platform area, meet diverse operational needs, and is convenient to store, reducing space occupancy. The counterweight mechanism at the lower end of the platform can dynamically adjust the center of gravity according to actual conditions, preventing equipment swaying or tipping and ensuring operational safety.

The present application discloses an accessory for a window with a fixed frame and a tiltable or rotatable sash having configurable selections of a rotational position, a tilted position, and a closed position. The fitting comprises a peg (18) as a selection means, which peg (18) is connected to a movable sliding slat (1). A peg (18) cooperates with the main arm (3) of the scissor mechanism for tilting the window sash. A longitudinal slot (14) is provided at the location of the double bends (13) of the main arm, in which longitudinal slot the peg slides in the closed position. A long projection (16) is provided on the main arm. A movable short projection (17) is placed laterally alongside and separate from the long projection (16) and longitudinally overlaps the long projection (16). This configuration is such that, in the rotational position, the peg is enclosed between the two projections, and, in the tilted position, the peg is located in a free space laterally delimited by the long projections.

This invention relates to the field of steel truss bridge installation technology, and proposes a steel truss bridge construction and installation system for installing steel trusses onto bridge piers. The system includes hoisting equipment, temporary supports, a movable lifting support, a movable adjustment frame, and a limiting bracket. Two rows of bridge piers are constructed across a river, with multiple temporary supports spaced apart between two piers in the same row. A movable lifting support is positioned between the two rows of temporary supports, and its lifting is achieved through a scissor mechanism. Several movable adjustment frames are movably mounted on both sides of the upper end of the movable lifting support. A limiting bracket is located on the upper end of the temporary supports, away from the movable lifting support, and moves up and down through a limiting plate to abut against the steel truss. This invention achieves rapid positioning through the movable lifting support, movable adjustment frame, temporary supports, and limiting bracket, simplifying the positioning operation and improving construction efficiency.

This utility model relates to the technical field of thread trimming devices and discloses an automatic thread trimming device for a winding machine, including a mounting frame, a drive mechanism, a thread guide frame, a horizontal hook, a pushing mechanism, a thread pusher block, and a scissor mechanism. Using the mechanism of this application, the horizontal hook on the thread guide frame effectively prevents the yarn from detaching from the outer end of the thread guide frame when it is rotated by the drive mechanism, thus preventing the failure to move the yarn to the corresponding position. The pushing mechanism is located at the inner end of the thread guide frame, ensuring that the pushing mechanism and the thread pusher block on it rotate with the thread guide frame, guaranteeing that the direction of movement of the pushing mechanism and the thread pusher block remains parallel to the length direction of the thread guide frame. This avoids the problem of the yarn not being accurately moved to the corresponding position in the prior art, ensuring the thread trimming effect.

A scissor device for a hosiery knitter comprises a hosiery sewing device and a scissor mechanism assembly installed on the sewing device, the scissor mechanism assembly comprises a first scissor blade and a second scissor blade, the first scissor blade is installed on a first linear rail and is driven by a first driving device to linearly move front and back along the first linear rail, and the second scissor blade is driven by a second driving device to linearly move back and forth along the second linear rail. The second shear blade is mounted on the second linear track and is driven by the second driving device to linearly move back and forth along the second linear track, the first shear blade and the second shear blade intersect with each other in the back-and-forth linear movement process, and sock sewing threads are cut at the intersection. The first shear blade and the second shear blade linearly move front and back to crossly shear a sock suture line, shear force in different directions is generated, and the technical problem that in the shearing process of traditional rotary shears, the rotary shear force pulls down the suture line from a line guide piece is solved.

The invention discloses a multi-folding type folding machine and an operation method thereof, and belongs to the technical field of material folding equipment. The folding machine comprises a rack, and a folding plate mechanism, a clamping jaw mechanism, a scissor mechanism and a pressing mechanism are arranged on the rack. The folding plate mechanism comprises a folding seam, a folding inserting plate driven by an air cylinder and folding turning plates, wherein the two sides of the folding turning plates are driven by a motor through belt transmission. The clamping jaw mechanism is used for supplying materials to the folding seam; the scissors mechanism is used for cutting the materials; and negative pressure adsorption holes are formed in two sides of the folding seam to fix materials. The device can be further provided with a secondary folding mechanism and a folding transfer mechanism, and multi-stage folding and automatic conveying of the materials are achieved. During operation, the clamping jaw mechanisms take materials from the symmetrically-arranged pressing stations on the two sides alternately, and the non-woven fabric can be efficiently folded into high-layer products through pre-folding, primary folding, secondary folding and third folding in the transferring process. The multi-folding device has the advantages of high folding layer number, high efficiency, high automation degree and the like, and is suitable for quick multi-folding processing of flexible sheets such as non-woven fabrics and the like.

The present invention relates to a chain-driven large telescopic ratio constant-force lifting platform and its operation method. The lifting platform includes a base, a scissor mechanism, a lifting platform, a chain lifting mechanism and a control system. The chain lifting mechanism includes at least one sprocket mounted on the base. The sprocket meshes with a chain, and the top of the chain is connected to the bottom of the lifting platform through a rotating pair. The chain includes alternately connected inner links and outer links, and a limiting mechanism. The limiting mechanism includes a first limiting mechanism and a second limiting mechanism that respectively limit the opposite rotation directions of adjacent links, and bidirectionally lock the chain during the vertical lifting movement. Through the limiting effect of the limiting mechanism and the detection and control of the control system, the present invention automatically realizes the stable self-locking and simple unlocking of the chain, intelligently matches the driving power and speed of the motor, ensures the constant-force lifting of the chain in the vertical direction, provides a constant-force lifting platform with a large telescopic ratio, effectively simplifies the equipment, reduces energy consumption and improves the lifting efficiency.

A root crop conveyor is provided for cleaning and / or separating root crops, including at least two adjacent roller groups, each of which have at least two rollers, which each rotate about an axis of rotation and of which the axes of rotation form a roller group plane. An adjusting device is provided with at least one adjusting means. At least the rollers of at least one roller group are mounted, on one side, in at least one side part which interacts with the adjusting means, such that actuation of the adjusting means can give rise to movement of the at least one roller group plane relative to a frame in which the root crop conveyor can be arranged. wherein the adjusting device pivots the roller group plane. The rollers of a roller group are connected to one another via a scissors mechanism.

The application discloses a truss type hybrid deployable envelope grabbing manipulator, which comprises a scissor mechanism and a driving mechanism for driving the scissor mechanism to deploy or contract, the scissor mechanism comprises a plurality of catching arms, the catching arm comprises a plurality of sequentially hinged scissor assemblies, the scissor assembly at the starting end of the catching arm is connected with the driving mechanism, the scissor assembly comprises a first scissor rod and a second scissor rod, the middle part of the first scissor rod is hinged with the second scissor rod, the starting end or the ending end of the first scissor rod and the second scissor rod is connected with the starting end or the ending end of the first scissor rod and the second scissor rod of the adjacent scissor assembly through a rotating plate, and the rotating plate limits the rotating angle of the first scissor rod or the second scissor rod. The application has the advantages of high rigidity, large folding and unfolding ratio, strong shape adaptability and the like, and can be widely applied to the grabbing of large-scale unknown targets.

A scissor lift table (1) with a base (2) and a working section (3) which is height-adjustable relative to the base (2), with at least one scissor mechanism (4) arranged between the base (2) and the working section (3), which comprises two scissor arms (5, 6) pivotally connected to each other in a cross-like manner, wherein a first end region of a first scissor arm (5) is pivotably mounted on the base (2) and a first end region of a second scissor arm (6) is pivotably mounted on the working section (3) and the respective opposite end regions are guided longitudinally displaceably on the working section (3) and on the base (2), and with a lifting drive device (7), wherein the lifting drive device (7) comprises two threaded spindles (9, 10) arranged parallel to each other, on which at least one spindle nut (11) is arranged, wherein the spindles (9, 10) can be driven together by a drive, so that the spindle nuts (11) relative to the spindles (9,10) are adjustable in the axial direction, wherein the spindle nuts (11) are mounted in a bearing housing (13) in a rotationally fixed manner, and wherein at least one engagement element is provided which is force-transmittingly coupled to at least one spindle nut (11) and force-transmittingly connected to a linear drive means which has a substantially horizontal section and a section extending in the stroke direction of the working part (3) between the base (2) and the working part (3) and is supported at least at one end on the base (2) and / or on the working part (3), such that an axial adjustment of the spindle nuts (11) causes a displacement of the engagement element relative to the spindles (9, 10) and thereby a change in the shear angle and a height adjustment of the working part (3).

The application discloses a triangular prism space stretching arm combined with Sarrus mechanism and scissors mechanism, belongs to the field of aerospace, and is characterized in that the whole stretching wall is composed of longitudinally stacked multiple unfolding units and is in the form of a regular triangular prism in the unfolded state. The planar scissors units are combined in the layout of a space triangular prism and are arranged on the three side surfaces of each unfolding unit in the form of a triangular prism, so that the bending resistance of the single planar scissors unit when bearing lateral force is avoided. The end portions of the scissors units are connected by sliding rails, so that the bending strength of the stretching arm is improved. Meanwhile, two longitudinally arranged Sarrus connecting rods are added to the three edges of the unfolding unit, and the transmission angle of the longitudinally arranged Sarrus connecting rods is 0, so that the stretching arm end is locked and the longitudinal bearing capacity of the whole stretching arm is improved. The stretching arm has the characteristics of high unfolding / folding ratio, high longitudinal bearing capacity, relatively simple structure and synchronous unfolding / folding.

The application discloses a high folding and unfolding ratio annular reflector antenna folding and unfolding mechanism, which comprises an annular scissor mechanism, a center unfolding and folding mechanism, a radial support rod, an annular slide rail and a driving rope. One end of the radial support rod is connected with a base of the center unfolding and folding mechanism, and the other end is connected with the annular scissor mechanism. The radial support rod is first stretched and locked. One end of the driving rope is fixed with the annular scissor mechanism, and the other end is fixed with the annular slide rail. The annular slide rail is fixed with the center unfolding and folding mechanism. The center unfolding and folding mechanism is unfolded, and the driving rope is pulled. Under the action of the driving rope, the annular scissor mechanism can be unfolded from one piece to a larger area. The high folding and unfolding ratio rigid annular reflector antenna folding and unfolding mechanism can ensure that the antenna reflector has a larger area after being unfolded and has a smaller volume when being folded.

A lift assembly having a base, a platform moveable relative to the base between a raised position and a lowered position, and a scissor mechanism coupled to the base and to the platform to move the platform relative to the base. The scissor mechanism includes a first arm, a second arm, a third arm, and a fourth arm supported by the base and extending toward the platform. The first and second arms, as well as the third and fourth arms, are pivotable relative to one another to define a pair of scissor arms to assist the platform in moving between the raised position and the lowered position. A drive mechanism is disposed between the pairs of scissor arms to move the platform between the raised position and the lowered position. The drive mechanism includes a carriage coupled to the base such that the drive mechanism is moveable relative to the base.