42results about How to "Reduce clamping force" patented technology

The utility model discloses a kind of carton lifting gripper devices, it is related to robot automatic gripper technical field.The utility model includes aluminium alloy fixed frame, and the movable side clamping plate of its lower side is set, and the top of aluminium alloy fixed frame is provided with displacement component in one end, and the inner wall of movable side clamping plate is all equipped with clamping cylinder through screw installation in front and back end, and the outer wall bottom of movable side clamping plate is all provided with lifting assembly in front and back end.The utility model can adjust the position of movable side clamping plate according to the size of carton by displacement component, increase the scope of application, simultaneously using clamping cylinder action drives movable side clamping plate movement and clamps carton, and it can prevent carton not easy to deform by exerting smaller clamping force, mainly play the role of anti-deviation, and using lifting assembly makes carton be gripped by gripper under the condition of not being subjected to very big clamping force, and stability is good.

The utility model belongs to welding processing technical field especially relates to a kind of welding wire conveying tool, comprising: base frame, base frame is in and is equipped with storage groove;Conveying component, including first roller and second roller, first roller and second roller are rotatably set in storage groove;Driving assembly, installation is in base frame, for driving first roller to rotate;Wherein, the welding wire to be conveyed is wired through between first roller and second roller, and first roller and second roller are used to clamp the welding wire along the radial direction of welding wire;The beneficial effects of the utility model are that the first roller and second roller are rotated to realize the clamping of welding wire, so that the welding wire can be automatically wired to the processing end of welding robot, and the automatic welding wire conveying operation is completed;At the same time, the clamping force received by the welding wire during conveying is small, which avoids the occurrence of adverse conditions such as weld serpentine bending, inconsistent welding size and a large number of abnormal splashing, and effectively improves the welding quality.

A PCB loading device, comprising a separable loading carrier plate and a base module. The loading carrier plate is provided with a plurality of placement slots for placing PCBs. Each placement slot is provided with a clamping assembly at the clamping angle. The clamping assembly comprises a clamping block and a return spring. The clamping block is slidingly connected to the loading carrier plate and has a movement tendency towards the placement slot. The clamping block is provided with a driving hole. The base module comprises a base and a fixed platform. A driving plate is slidingly connected below the platform. The driving plate is provided with a driving pin. The driving pin is inserted into the driving hole after sequentially passing through the avoidance holes of the platform and the carrier plate. The driving plate is connected to the base through a driving spring and is provided with a stop block which is movably connected to the driving motor execution end. The utility model realizes the synchronous control of multiple clamping mechanisms through single motor driving, has the functions of automatic clamping and loosening, adopts spring grading locking, improves the positioning accuracy, realizes self-centering positioning in combination with the V-shaped chuck, and effectively improves the positioning accuracy and clamping efficiency of the PCB.

The utility model relates to low -voltage power distribution data acquisition equipment technical field discloses a kind of low -voltage power distribution data acquisition equipment, including base, the top of the base is fixedly connected with open-close type current transformer bottom end, the top of the base is rotatably connected with open-close type current transformer top end, one end of open-close type current transformer bottom end and open-close type current transformer top end is magnetically connected by magnet, by setting fixed cylinder, plug-in column and arc centering plate in the inner wall of open-close type current transformer, it can be realized automatic limiting and alignment when mutual inductor is folded, guarantee the concentricity between cable and mutual inductor, improve detection accuracy;By the cooperation of bidirectional screw rod, threaded sleeve block and locating ring, adjustable clamping to line is realized, the stability of mutual inductor in the process of operation is enhanced, simultaneously, rubber block is set in clamping piece bottom end, effectively buffers clamping force, avoids damaging the insulating layer of line.

The utility model relates to a kind of surface treatment devices for gear machining, including the base being set to surface treatment device, the base is provided with the circular table for placing gear, the circular table is provided with four center symmetry distribution and is used for the fixture of fixed gear, the base is provided with the connecting component for driving fixture movement, the base is provided with the drive component for driving connecting component rotation.The surface treatment device for gear machining, power is converted into transmission by controlling connecting component, so as to drive four fixtures to move to opposite side, so as to utilize four fixtures to push and shove gear to central axis and carry out fixation, so that clamping force effectively disperses in every tooth top of gear, avoid the deformation of single tooth top by excessive force, magnet of connecting plate top is absorbed T type iron piece, offset the loosening tendency generated by vibration, and rubber pad has elasticity, can avoid rigid contact to the damage of gear surface.

This invention relates to the field of connector technology, and more particularly to an FPC connector assembly, including a male end and a female end. The male end includes a male terminal and a male socket for mounting the male terminal. The female end includes a female terminal that inserts into the male terminal and a female socket for mounting the female terminal. The front end of the female terminal is provided with an elastic element for elastically clamping the front end of the male terminal. When the front end of the male terminal is inserted into the female terminal, the elastic element undergoes elastic deformation to maintain the clamping force on the male terminal. The female socket is provided with a constraint mechanism corresponding to the female terminal. When the front end of the male terminal is inserted into the female terminal, the male terminal drives the constraint mechanism to compress the corresponding elastic element to increase the clamping force of the elastic element on the male terminal. This solution, by auxiliaryly pressing the free end of the arc-shaped spring, can prevent the decrease in clamping force caused by the decrease in the elasticity of the arc-shaped spring, effectively improving the clamping force of the arc-shaped spring of the female terminal on the male terminal and maintaining good contact between the male and female terminals.

The invention discloses a wafer self-adaptive grabbing system and method based on dynamic force feedback, and belongs to the technical field of semiconductor material processing and carrying. According to the system, an edge-lower support fusion type clamping jaw structure is adopted, a micro MEMS pressure sensor array is integrated, and sub-Newton level force control precision is achieved through a double-closed-loop PID control algorithm. The system comprises a miniature force sensor integration module, a dynamic force feedback control module and an edge-lower support fusion type clamping jaw structure, and can effectively solve the problems of stress concentration, temperature deformation and the like in the ultrathin wafer carrying process. The control method disclosed by the invention is combined with a working condition self-adaptive adjustment strategy, supports modes of sensitive edge protection, pressure balance, high-speed stability and the like, can switch working modes in real time according to wafer states and environmental conditions, dynamically adjusts operation parameters, and provides a solution for precise carrying of third-generation semiconductor ultrathin materials.

The utility model provides an adjustable corn husking device with groove flat rollers, which belongs to the technical field of corn harvesters and comprises a frame and husking roller groups, corresponding floating plates are movably arranged on two inner sides of the frame respectively, a connecting rod is arranged between the two floating plates, and two ends of the connecting rod are movably connected with the floating plates through pin shafts A respectively; the peeling roller set is arranged between the two floating plates, and the peeling roller set comprises a spiral roller and a fish scale roller; the two ends of the spiral roller movably penetrate through the floating plates respectively and then are connected with the rack, and the two ends of the fish scale roller are connected with the floating plates respectively; wherein one floating plate is connected with an adjusting mechanism A arranged on the rack, and the other floating plate is connected with an adjusting mechanism B arranged on the rack. Through functional combination of the lever type adjusting mechanism and the groove flat roller, the height of the husking roller is conveniently adjusted, the husking efficiency and quality of different corns can be effectively improved, and the threshing rate and the operation and maintenance cost are reduced.

The utility model provides a kind of cable protection pipe shearing device, it is related to electric power protection pipe processing technical field, including bottom plate, support plate, positioning frame two;The upside of the bottom plate is equipped with arc groove, and two groups of round holes are respectively equipped in the left and right sides of bottom plate, and one group of locating bolt is respectively clamped in the left and right sides two groups of round holes of bottom plate, the support plate is respectively placed in the left and right sides of the upper end of bottom plate, support plate is inclined, and the bottom end surface of support plate is fixedly connected with the top end surface of bottom plate, two groups of electric push rods are respectively equipped on two groups of support plates, pressure sensor is equipped in the inside of connecting box, the utility model can monitor the clamping force of pipe material of conveyor belt two in real time when being connected with control equipment, automatically feedback and adjust the telescopic amount of electric push rod, avoid that nonmetallic pipe material is deformed, cracks due to excessive pressure, or it causes conveying deviation to be clamped too loose, solved the existing cable protection pipe shearing device, force is uncontrollable in the process of feeding, prone to pipe material damage.

The application discloses a coiled tubing sleeve-milling cutting and fishing integrated fishing barrel, which comprises a barrel body and an upper joint arranged coaxially, the upper joint is detachably connected to one end of the barrel body, a cutter assembly, a cutter pushing ring and a flaky combined slip assembly are sequentially arranged in the barrel body along the direction close to the upper joint, the flaky combined slip assembly comprises a slip sleeve and a plurality of flaky slips, the slip sleeve is movably arranged in the barrel body, the tail portions of the plurality of flaky slips are connected by a ring-shaped spring sheet into a hollow truncated cone-shaped slip, the opening of the truncated cone-shaped slip gradually increases along the direction away from the ring-shaped spring sheet, the truncated cone-shaped slip is movably arranged in the slip sleeve, a conical surface is arranged on the inner wall of the slip sleeve between the truncated cone-shaped slip and the cutter pushing ring, and the opening of the slip sleeve at the conical surface gradually decreases along the direction away from the flaky slip; the slip is designed in a flaky manner, is assembled by being gathered by the ring-shaped spring sheet, the clamping force during fish passing is reduced, the degree of abrasion is reduced, and the service life of the flaky slip is prolonged.

The utility model relates to the technical field of fixed mold plates of injection molding machines, and discloses a fixed mold fixing plate with an anti-deformation structure, which comprises a fixed mold fixing plate body, four corners of the fixed mold fixing plate body are respectively provided with a group of deformation components, and the deformation components are connected with pull rods of the injection molding machines. The deformation assembly is used for transmitting the pressure of the pull rod to the fixed mold fixing plate body and can reduce the stress deformation of the fixed mold fixing plate body during mold closing of the injection molding machine, the deformation assembly comprises a notch formed in the corner of the fixed mold fixing plate body, and the corner of the fixed mold fixing plate body is divided into two parts including a connecting section and a fixing section by the notch; a pull rod of an injection molding machine penetrates through the connecting section and then is fixedly connected with the fixing section; reinforcing ribs are arranged on four side surfaces of the fixed mold fixing plate body; according to the scheme, the lightweight design of the fixed mold fixing plate is realized through the notch, and the deformation quantity of the fixed mold fixing plate can be greatly reduced during mold closing.

The application discloses a kind of laser processing device for tubular material processing, and the application relates to the field of laser processing technology.The laser processing device for tubular material processing includes body, multi-point laser processing mechanism, the multi-point laser processing mechanism includes circular frame and rectangular mouth, the surface of circular frame and the position close to rectangular mouth are fixedly installed with hydraulic cylinder, the telescopic end of hydraulic cylinder is fixedly installed with laser processing host, the end of laser processing host is installed with laser cutting head, the surface of laser processing host and the position close to laser cutting head are fixedly installed with V-shaped opening shield, the V-shaped opening of V-shaped opening shield surface is installed with ball, the outside of V-shaped opening shield is fixedly connected with elastic shielding piece, the surface of body and the side away from base are installed with lifting mechanism, the top of base is installed with rotary feeding mechanism, the purpose of uniform heating is achieved, multi-point synchronous cutting is used, uniform heating, not easy to deform, safe and reliable.

The utility model relates to braider frame technical field, concretely discloses a high -efficient rope cable braider frame, including the chassis, install a plurality of rotary discs on the chassis, install the base on the rotary disc, install the frame body on the base, still include: the mount pad, fixed in the top of frame body, its both ends are connected with base and mount pad respectively, the mount pad is equipped with the second wire hole for the strand rope to pass through, the second wire hole is equipped with the adjusting seat that can move along the hole wall, and the adjusting seat is used for clamping the strand rope that passes through, the utility model discloses the tension of strand rope will drive the second guide pulley and the moving block along the through -hole movement, and the connecting rope transmission displacement makes the adjusting seat reduce the clamping force, reduce the resistance that strand rope bears, avoid the strand rope and stretch excessively even break because of excessive stress, reduce the situation of production interruption, also reduced material waste.

This utility model discloses a branch traction structure for sweet cherry planting, relating to the field of cherry tree planting technology. It includes a fixed base, a rotating seat mounted on the upper surface of the fixed base, a telescopic cylinder rotatably mounted on the inner surface of the rotating seat, and an extension rod slidably mounted on the upper surface of the telescopic cylinder. Compared with existing ordinary cherry tree branch pulling devices, this branch traction structure for sweet cherry planting, through the setting of a tension spring, can buffer the tension on the branch when the branch is fixed using a traction frame, especially in strong winds, by stretching the tension spring, thus preventing damage to the branch due to excessive pulling force. The threaded groove allows control of the rotating pressure sleeve to move along the threaded groove, adjusting the tension threshold of the tension spring, ensuring that the branch is stretched and decompressed only after receiving a certain amount of tension, preventing slight tension from causing the branch to sway and affecting the traction effect.

This utility model discloses an adaptive mechanical gripper, belonging to the technical field of mechanical automation. It includes a first support plate, a drive mechanism, and a clamping mechanism. The drive mechanism is mounted on the first support plate, and the clamping mechanism is mounted below the first support plate. The drive mechanism includes a linkage assembly, a rotating shaft rotatably mounted on the first support plate, and a one-way locking member mounted on the first support plate, with the one-way locking member engaging with a first end of the rotating shaft. The first end of the linkage assembly engages with a second end of the rotating shaft, and the second end of the linkage assembly engages with the clamping mechanism. Under the action of the rotating shaft, the linkage assembly has a first moving position and a second moving position. In the first moving position, the clamping mechanism is in a clamping state; in the second moving position, the clamping mechanism is in a released state. The one-way locking member prevents the rotating shaft from rotating in the opposite direction, enabling the clamping mechanism to form a relatively balanced holding force. The clamping mechanism can be adjusted according to the size and weight of the workpiece, improving its stability.

The scheme discloses a small-size oil cylinder general assembly device, which comprises a pair of clamping pincers capable of clamping along a Y direction, and further comprises a bottom plate extending along an X direction and a Y direction, and a positioning pin with an axis extending along a Z direction; the clamping pincers and the positioning pin are arranged on the bottom plate; a surface extending along the X direction and the Z direction is formed at a clamping point of the clamping pincers, and the axis of the positioning pin is on the surface; the positioning pin is movable and positionable along the X direction; a plurality of positioning pin mounting holes are arranged on the bottom plate along the X direction, and the positioning pin is inserted into one of the positioning pin mounting holes; and a limiting structure for limiting the positioning pin from being pulled out of the positioning pin mounting hole is further arranged. The scheme has the beneficial effects that the fixing problem of a cylinder body in the prior art is solved, the outer surface of the cylinder body is not scratched, the assembly efficiency is significantly improved, the appearance defects are greatly reduced, and the assembly demand of oil cylinders of multiple specifications can be met.

The utility model belongs to the ball screw technical field especially involves the automatic wire binding head of adjustable line diameter, including the bottom plate, the top fixed connection of bottom plate has the fixed frame, the bottom of fixed frame is provided with the clamping mechanism, the front of fixed frame is provided with the cleaning mechanism, the cleaning mechanism is used for cleaning, collects the lint, the clamping mechanism includes the protective shell, the top of protective shell and the bottom fixed connection of fixed frame, the inner wall fixed connection of protective shell has the motor, the output fixed connection of motor has the gear no.

The utility model discloses a crucible turnover device which comprises a rack, the inner wall of the rack is fixedly connected with a linear motor, the driving end of the linear motor is fixedly connected with a sliding seat, one side of the outer wall of the sliding seat is provided with a clockwise and anticlockwise turnover mechanism, and the outer portion of the clockwise and anticlockwise turnover mechanism is provided with a synchronous clamping mechanism. And clamping arms are fixedly connected to the two sides of the synchronous clamping mechanism correspondingly, and clamping mechanisms are arranged on the sides, close to each other, of the two clamping arms correspondingly. The clockwise and anticlockwise overturning mechanism, the synchronous clamping mechanism and the clamping mechanism are matched with one another, on the basis of an existing clamping plate, the structure of the clamping plate is improved, the clamping plate can be better attached to the outer surface of a crucible for clamping, rubber on the clamping plate is attached through special glue, machining of mounting holes in the clamping plate is omitted, manufacturing time is saved, and production efficiency is improved. In the double-layer rubber plate, the foaming silica gel plate is arranged at the bottom and can provide a larger buffering space, and the soft silica gel plate is arranged at the upper layer and can provide better friction force and reduce the needed clamping force at the same time.

The invention relates to a motorized chain saw and a method for tensioning a saw chain of a motorized chain saw, in particular a motorized chain saw with a housing (2) and a drive motor (3). A guide rail (5) is held at the housing (2) via a releasable fastening device (8) and can be moved relative to the housing (2) in the direction of the longitudinal axis (6) of the guide rail via a tensioning device (10) when the fastening device (8) is released. The motorized chain saw (1) comprises a chain lifting device (11) which is constructed separately from the tensioning device (10). The chain lifting device (11) is configured for deflecting the saw chain (7) in a deflection position (40) of the chain lifting device (11) when the tensioning device (10) tensions the saw chain (7) and relaxing the saw chain (7) in an operating position (41) of the chain lifting device (11) when the guide rail (5) is fastened.

The utility model discloses a portable Bluetooth earphone with a telescopic head beam. The portable Bluetooth earphone comprises a left loudspeaking part, a right loudspeaking part, an upper head beam part and a lower head beam part, two ends of the upper head beam part are respectively connected with the left loudspeaking part and the right loudspeaking part, and two ends of the lower head beam part are respectively connected with the left loudspeaking part and the right loudspeaking part; the upper head beam part is positioned above the lower head beam part; the lower head beam part comprises an extension flexible piece and a protection cushion layer; the extension flexible part is in a strip shape, the two ends of the extension flexible part are connected with the left loudspeaking part and the right loudspeaking part respectively, the periphery of the extension flexible part is wrapped with the protection cushion layer, and the extension flexible part can be stretched and shortened according to the tensile force. The pressure of the headphone from top to bottom can be uniformly distributed on the upper half part of the whole head, and the pressure cannot be concentrated on the top of the head; in addition, when the head of the user is large, discomfort caused by too large clamping force is relieved.

The utility model relates to the technical field of workpiece clamping, and provides a clamping device and a machine tool, and the clamping device comprises a driving motor, an electric pull rod input shaft, a lead screw and a lead screw nut. Wherein the driving motor is provided with a motor output shaft; the first end of the electric pull rod input shaft is rigidly and directly connected with the motor output shaft; the first end of the lead screw is directly connected with the second end of the electric pull rod input shaft; the lead screw nut is in threaded transmission connection with the second end of the lead screw. The pull rod is connected to the lead screw nut. According to the clamping device provided by the utility model, the input shaft of the electric pull rod is rigidly and directly connected with the output shaft of the motor, and the lead screw is directly connected with the input shaft of the electric pull rod, so that the driving force of the driving motor can be transmitted to the lead screw without arranging a speed reducer, the driving force can be prevented from being amplified by the speed reducer, and the clamping force of the clamping device is further reduced; and the application range of the device is wider, thin-wall workpieces or elastic workpieces and other workpieces with small bearing force can be clamped, and the thin-wall workpieces or the elastic workpieces and other workpieces cannot be damaged.

The application provides a wafer transfer device, and belongs to the field of semiconductor processing equipment, and specifically comprises a positioning assembly, which can be connected with a wafer and used for driving the wafer to move; the positioning assembly comprises a main fork arm, a flat pulling assembly and a negative pressure vacuumizing device, and a gas flow channel is arranged in the main fork arm; the negative pressure vacuumizing device is connected with the gas flow channel and used for generating suction force at the overflow port, so that the flat pulling assembly can adsorb and position the wafer; compared with the prior art, when the fork head is moved to the position where the wafer is located in the positioning opening and the wafer is in contact with the positioning plate, the flat cylinder drives the positioning plate to move through the work of the negative pressure vacuumizing device, and then the wafer is adsorbed; while the positioning plate moves, the limiting strip cooperates with the clamping plate, so that the clamping plate applies certain auxiliary clamping force to the wafer; since the wafer is mainly positioned through adsorption force at this time, the clamping force received by the wafer is relatively small, the wafer has stability and is prevented from being deformed by clamping.

An open-back headphone and its wearing method are disclosed. The open-back headphone includes a main body and at least one sound guide tube. The main body includes a sound-producing unit with a mounting cavity; the sound-producing unit is mounted within the mounting cavity; the sound guide tube is connected to the main body and has at least one sound-guiding channel, the sound-guiding channel communicating between the mounting cavity and the outside; wherein, the sound guide tube is movably connected to the main body and is adapted to extend into the user's ear canal. The open-back headphone not only transmits sound to the user's ear through the sound guide tube, but also allows the open-back headphone, through which the sound is transmitted via the sound guide tube, to be worn relatively stably in the user's ear.

The application relates to the technical field of electrical engineering, and discloses an electrical engineering cable protection device, which comprises a connecting plate, a plurality of support frames are fixedly connected to the left side of the connecting plate, and the support mechanism is installed on the left side of the connecting plate and comprises a plurality of connecting blocks arranged on the left side of the connecting plate; when the cable slightly displaces, the cable drives the arc-shaped clamping blocks to synchronously move; when the cable moves to the left or the right, the arc-shaped clamping blocks drive the spring rods II on the corresponding sides to be extruded; when the cable moves to the front and the back of the connecting block, the arc-shaped clamping blocks drive the spring rods I to synchronously move, the spring rods I are compressed to accumulate the elastic force, in the above process, the cable and the arc-shaped clamping blocks are relatively static, there is no relative friction, the cable sheath is difficult to be abraded, the cable is effectively prevented from being affected by vibration, frequent slight displacement can cause the cable sheath to be damaged, and the protection effect on the cable is enhanced.

This utility model relates to the field of digital X-ray inspection technology and discloses a digital X-ray inspection workpiece fixing device, including a fixing base, on one side of which the workpiece to be inspected is mounted. A fixing component is disposed inside the fixing base, and a locking component is mounted on the top of the fixing base. This digital X-ray inspection instrument fixing device achieves initial engagement and positioning through connecting blocks on both sides of the workpiece and connecting grooves on the inner wall of the fixing base. A rotating knob drives the threaded rod to rotate, causing the drive plate to move stably downwards along the sliding rod, allowing the interlocking blocks to precisely embed into the interlocking grooves on the top of the connecting blocks. This forms a double mechanical fixing structure of interlocking and locking, replacing the traditional fixing method that relies solely on friction. The rigid connection avoids the attenuation of clamping force caused by long-term use or vibration impact, effectively preventing the workpiece from shifting or shaking during rotational inspection, and significantly improving the reliability and durability of the fixing effect.

The invention relates to a sealing assembly and a rolling bearing. The sealing assembly is annular as a whole and comprises a framework with a radial inner end; the sealing body is attached to the framework, a dynamic sealing lip inclining towards the first axial side is arranged at the position, at the radial inner end of the framework, of the sealing body and used for abutting against a bearing inner ring in a dynamic sealing mode, and a plurality of grooves spaced in the circumferential direction are formed in the position, at the second axial side, of the lip edge of the dynamic sealing lip. The groove divides the lip edge of the dynamic sealing lip into a thin lip edge and a thick lip edge in the circumferential direction. The groove is formed in the lip edge of the dynamic sealing lip, so that when the lip edge of the dynamic sealing lip abuts against the bearing inner ring in a dynamic sealing mode, the lip edge of the dynamic sealing lip is easier to stretch in the circumferential direction, the banding force on the bearing inner ring is reduced, the radial force on the bearing inner ring is reduced, abrasion between the dynamic sealing lip and the bearing inner ring is reduced, and the service life of the dynamic sealing lip is prolonged. The dynamic sealing lip is prevented from being separated from the bearing inner ring due to abrasion, the service life of the sealing assembly is prolonged, and the sealing assembly can conduct electricity for a long time.

The utility model belongs to the technical field of permanent magnet motors, and particularly relates to a small-diameter submersible special permanent magnet synchronous motor, which comprises a motor and a connector, the connector is arranged on the outer surface of the motor, and an adjusting device is arranged on the outer surface of the connector. The adjusting device comprises a groove. Through the arrangement of the adjusting device, when the acting groove moves along with the fluted disc, the circular shaft can be stressed to slide on the inner wall of the acting groove, and the clamping plates fixed on the outer surface of the circular shaft are stressed to slide on the inner wall of the groove, so that the shaft is clamped, clamping of different shafts can be realized, and the clamping efficiency is improved. The motor can adapt to shafts of different sizes through the connector, the adjusting effect is achieved, and the problems that the shafts cannot be clamped due to the fact that the clamping plates cannot slide on the inner walls of the grooves, and the motor cannot adapt to the shafts of different sizes through the connector to achieve the adjusting effect are solved.

This utility model discloses a fixing fixture for embedded waterstops, relating to the field of building waterproofing construction technology. The fixture includes a clamping plate, an upper fixing steel plate, rivets, connecting bolts, an upper positioning rod, a lower positioning rod, and an adjustment assembly. The upper fixing steel plate is fixed to the upper part of the clamping plate by rivets, with bolt holes at both ends. The connecting bolts laterally connect the clamping plates on both sides and are equipped with self-locking washers to prevent loosening. A positioning hole is set in the middle of the upper fixing steel plate, through which the upper positioning rod passes and its vertical position is adjusted by adjusting the threads. An inner bolt hole is set in the middle of the clamping plate, into which the lower positioning rod is inserted. An adjusting block is fitted on the outer wall, and the lower end is fixed to a fixing block abutting against the lower surface of the clamping plate. This fixture achieves stable fixing of the waterstop through the coordinated action of lateral clamping and upper and lower positioning, improving positioning accuracy, adapting to waterstops of different thicknesses, providing good vibration resistance and anti-loosening effect, and ensuring construction quality.

The utility model relates to printer technical field discloses a kind of rotary shift subassemblies for square box printer, including base and the bracket located at the top of base, the end fixedly installed with feeding unit of base top away from bracket, the side of feeding unit close to bracket is provided with limiting component, the side close to bracket of limiting component is provided with fixed frame, the end sliding installation of fixed frame close to feeding unit has Y-axis displacement module.The rotary shift subassembly for square box printer, by the design of the plug-in installation of locating hole and mounting column, the quick installation of clamping plate and rotating head can be facilitated, and then the quick fixing of clamping plate and rotating head is realized by cooperating locking nut, and the quick disassembly of clamping plate is also facilitated in a threaded connection mode, maintenance efficiency is improved, by setting rotary shift subassembly, the accurate rotation of material can be realized, the printing of different surfaces of material is satisfied, and when using, manual overturning is not needed, the risk of personnel damage is reduced.