159results about How to "Improve the pressing effect" patented technology

The invention belongs to the technical field of fabric dyeing and finishing, and particularly relates to padding equipment for dyeing and finishing polyester fabric, which comprises a workbench, side edge plates are symmetrically arranged on the workbench, the two side edge plates are jointly connected with a rotating shaft, one end of the rotating shaft is provided with a rotating square groove, and the rotating square groove is connected with the output end of a rotating motor. The rotating motor is provided with an inserting-stopping assembling and disassembling assembly. A rotating cam is mounted at the other end of the rotating shaft, and a multi-cycle position correcting mechanism is connected to the rotating cam; the rotating shaft is further provided with a position adjusting and distance locking device. The position adjusting distance locking device comprises a distance adjusting square groove formed in the side edge plate in a penetrating mode. According to the device, fabric adhering to the driving roller is scraped through the movable scraping unit, the situation that the fabric is too dry due to the fact that the fabric is squeezed by two rollers all the time is avoided, and therefore the situation that workers need to manually remove the adhered fabric is avoided, the risk when the workers operate equipment is reduced, the phenomenon that the workers are injured by the rolling mill is avoided, and the working efficiency is improved. And therefore, the safety of the equipment during use is improved.

The invention discloses equipment for direct hot-press molding of a paper pulp roll, and relates to the field of paper manufacturing. According to the scheme, a cutting area is reserved on a surface layer, the surface layer covers a cutting surface through a vibration base of a mold core assembly, and the problems of fiber burr exposure, loose structure and damp pollution caused by exposure of the cutting surface are solved; the folded and covered surface layer provides lateral limiting force in the hot pressing process, the compactness of the edge is enhanced, the middle cutting face is prevented from loosening, meanwhile, through axial friction force generated by reciprocating motion of the vibration base, it is further ensured that the surface layer and the cutting face are stably attached, material rebound and covering loosening are prevented, and the interlayer slippage condition is prevented; instantaneous impact force is generated through sliding impact of the vibration seat on the buffer cushion, so that the pressing effect of the surface layer in the hot pressing process is enhanced, the cutting surface is tighter and smoother, fiber looseness and tiny gaps are reduced, the edge sealing quality is improved, the protection effect of the cutting surface is improved, and the bonding strength of the surface layer and paper pulp is improved.

The invention discloses a nondestructive detection method for road and bridge concrete defects, and belongs to the technical field of infrared detection. According to the road and bridge concrete defect nondestructive testing method, a work box is included, a detection box is further included, the detection box is arranged in the work box in a lifting mode, a mounting box is fixedly connected into the detection box, a connecting plate is slidably connected to the mounting box, a swing air injection mechanism is arranged on the connecting plate, and a heating mechanism is arranged in a preheating box; the preheating box is communicated with the swing injection mechanism through a connecting pipe, and the detection head is matched with the swing injection mechanism; on one hand, a detector can be used for infrared detection of bubbles or cracks on the surface of concrete, and on the other hand, detection plasticine in the template box can be pressed onto the surface of the concrete, so that the plasticine can be pressed into the bubbles or the cracks when making contact with the cracks or the bubbles on the surface of the concrete; protrusions identical to the bubbles and the cracks are pressed out, so that the depths of the bubbles and the cracks can be observed conveniently, and the precision of follow-up visual detection is improved.

The invention discloses a protective film pressing device and a use method thereof, and belongs to the technical field of protective film processing, the protective film pressing device comprises a cabinet placed above the ground, an unwinding roller is rotatably mounted on the upper surface of the left end of the cabinet, and a winding roller is rotatably mounted on the upper surface of the right end of the cabinet; a fixing frame is fixedly installed on the upper surface of the machine cabinet, a movable plate is arranged above the fixing frame, an air conveying assembly is connected between the fixing frame and the movable plate, a rotating frame is elastically and rotationally connected to the lower portion of the movable plate through a torsional spring, and an obliquely-arranged exhaust roller is rotationally connected to the lower end of the rotating frame. And a heat generation assembly for heating air is arranged on the inner side of the exhaust roller. According to the protective film pressing device and the using method thereof, the exhausting and pressing effects on the protective film can be improved through vibration, gas can be automatically conveyed to heat the protective film in the pressing process, and the exhausting and cleaning effects of the protective film are further improved.

The invention discloses an air bag pressing structure and a pressing machine. The air bag pressing structure and the pressing machine are good in pressing effect, simple in structure and convenient to maintain. The air bag pressing structure comprises an air bag mounting plate and an air bag arranged on the air bag mounting plate, a boss is arranged on the air bag mounting plate, the air bag pressing structure further comprises a pressing frame, the air bag is attached to and covers the table top of the boss, and the pressing frame tightly presses and fixes the periphery of the air bag to the air bag mounting plate. An air channel is arranged in the air bag mounting plate, an air inlet communicated with the air channel is formed in the side face of the air bag mounting plate, and an air outlet communicated with the air channel is formed in the table top of the boss. The press-fit machine comprises an upper press-fit mechanism and a lower press-fit mechanism, and the air bag press-fit structure is arranged on the upper press-fit mechanism. The flexible circuit board pressing mechanism is applied to the technical field of flexible circuit board pressing mechanisms.

The utility model discloses a noodle pressing device for noodle production in the technical field of noodle production equipment, which comprises a noodle pressing bed, four corners of the noodle pressing bed are fixedly connected with fixing lugs, a threaded shaft is rotatably connected between the fixing lugs on two sides, one end of the threaded shaft is fixedly connected with a driving device through a shaft, and the other end of the threaded shaft is fixedly connected with a motor. The threaded shaft is sleeved with fixing blocks in a threaded mode, a rotating roller is rotationally connected between the fixing blocks on the two sides, a fixing shaft is fixedly connected between the fixing blocks, and a cleaning brush is fixedly connected to the surface of the fixing shaft. By means of the arrangement, flour adhering to the surfaces of the rotating rollers can be well removed in the flour pressing process, and the situation that flour cakes are uneven due to the fact that flour is accumulated too much to affect flour pressing uniformity is avoided.

The invention discloses a circuit board processing and pressing device and a use method thereof, and relates to the field of circuit board processing and pressing devices. The circuit board processing and pressing device comprises a pressing machine, a pressing cylinder, a hot pressing plate and a pressing plate, the hot pressing plate is provided with a positioning unit and a pushing unit, and the pressing plate is provided with an adjusting unit and a pressure unit. According to the circuit board processing and pressing device, the circuit board is limited through the first positioning plate, the second positioning plate makes contact with and extrudes the two sides of the circuit board, the circuit board is pushed to a proper position on the hot pressing plate, and the distance between the positioning seat and the pressure units, the distance between the adjacent pressure units and the distance between the pressure units and the connecting seat are the same; and the positions of the pressing bases are adjusted, so that the multiple pressing bases are distributed at equal intervals, and the pressing effect on the circuit board is good.

The invention discloses a hemostasis compression device for medical care, and relates to the technical field of medical instruments, the hemostasis compression device for medical care comprises a cover pressing plate body, a base is arranged on the upper end face of the cover pressing plate body, an adjusting mechanism is arranged in the base, the adjusting mechanism is provided with a mounting plate and comprises a pressing rod, a pressing block is arranged at one end of the pressing rod, and a compression groove is formed in the pressing block; an existing single compression device is replaced by the fine adjustment mechanism and the adaptation mechanism, a stable pressure source is formed at the puncture position of a patient, the extrusion range is expanded through the expanded air bag and the hinged compression plate, the compression effect is improved, and the compression effect is improved. The uniformity of the skin around the pressed puncture part is ensured, the discomfort of a patient is effectively relieved, and the labor intensity of medical staff is greatly relieved.

The invention provides a wood-plastic-based composite material with 3D textures and a preparation process thereof, belongs to the technical field of 3D wood-plastic material preparation, and solves the technical problems that an existing wood-plastic composite material is single in function, material textures cannot be customized and the like. The structure of the wood-plastic based composite material with the 3D textures sequentially comprises a functional protection layer, an additive printing texture layer and a wood-plastic base material layer from the surface to the core, and interlayer compounding is achieved through surface heating melting and interlayer mutual pressing. The preparation process comprises the following steps: extruding to prepare a wood-plastic base material, shaping, performing 3D texture printing, laminating and treating a finished product. The composite material is prepared through the processes of extrusion preparation of the wood-plastic base material, cooling and shaping, 3D texture printing, conveying and positioning, synchronous film releasing, film relaxation and oscillation, hot air circulation preheating, multi-angle dynamic air pressure film covering, cold air circulation cooling, film cutting and heat sealing and finished product treatment, the preparation process is high in efficiency and low in energy consumption, and the prepared composite material is good in structure effect and good in application prospect. The multifunctional requirement is met, and the finished product is more stable.

The utility model discloses a novel squeezing device which comprises a squeezing box, a supporting column, a lead screw installation frame, a lead screw, a lead screw sliding block, a coupler, a lead screw motor, a sliding block connecting plate, a squeezing frame, a reinforcing plate, an electric cylinder, an electric cylinder connecting plate, a connecting frame, a squeezing roller, a filter plate, a baffle and a liquid discharging pipe. Compared with the prior art, raw materials in the squeezing box can be fully squeezed through reciprocating motion of the lead screw motor and the electric cylinder, and the raw material squeezing effect is improved; meanwhile, materials can be fed into the squeezing box at any time in the squeezing process, the production efficiency can be improved, and use is easier and more convenient.

The invention relates to the technical field of high-pressure diaphragm valve element assembling, in particular to a high-pressure diaphragm valve element assembling device which comprises an assembling device body, a mounting frame is fixedly connected to the upper side of the assembling device body, a support is mounted on the right side of the mounting frame, an air cylinder is fixedly arranged on the upper side of the mounting frame, and a pressing block is connected to the lower side of the air cylinder. A first electric push rod is fixedly installed on the left side of the support, a U-shaped side plate is fixedly arranged on the left side of the first electric push rod, the first electric push rod is made to adjust the position of the clamping mechanism through the PLC, then the two transverse plates move in the opposite directions, and a valve body and a high-pressure diaphragm valve element are accurately aligned through a rubber clamping block; according to the core assembling device, the assembling device can stably and reliably carry out press fitting, at the moment, the air cylinder can drive the pressing block to move downwards to carry out press fitting, meanwhile, the movement of the pressing block can be limited through the limiting sliding plate at the guide rail plate, the press fitting track is further limited, and therefore the press fitting effect of the core assembling device is improved.

This invention discloses a non-scratching cleaning device for bridging aluminum palladium non-rigid strips. This invention relates to the field of bridging aluminum palladium production technology and includes a chassis assembly. Two sets of supports are fixedly connected inside the chassis assembly. The tops of the two sets of supports are connected to a first conveyor assembly and a second conveyor assembly. The first and second conveyor assemblies have identical structures and are symmetrically distributed. The drive ends of the first and second conveyor assemblies, located on the supports, are connected to a drive mechanism. By using polyethylene or polyester material as the mesh belt, compared to traditional stainless steel or Teflon mesh, its softness effectively prevents scratches on the surface of the bridging aluminum palladium during conveying, protecting the appearance quality and physical properties of the bridging aluminum palladium. Simultaneously, the two sets of mesh belts press and convey the bridging aluminum palladium, utilizing the material's flexibility to achieve a stable pressing effect, preventing movement of the bridging aluminum palladium during washing and drying, and ensuring the smooth progress of the washing and drying processes.

The utility model discloses a kind of pressing equipment of remote controller shell, it is related to pressing equipment technical field, including placing groove board and pressing plate, the inner cavity wall bottom of placing groove board is placed with positioning block, the front and rear side wall of positioning block is fixedly connected with adjusting tooth block, the inner cavity wall of placing groove board is opened with adjusting tooth slot in two sides, the bottom left side of pressing plate is fixedly connected with first pressing block, the bottom right side of pressing plate is equipped with second pressing block, adjusting pressing block is equipped between the first pressing block with the second pressing block, the pressing equipment of remote controller shell is positioned groove, adjusting tooth block and adjusting tooth slot by positioning block cooperation, so that in use can adapt to different size remote controller, so that applicability greatly improves, while conveniently and quickly fixed limit remote controller to facilitate subsequent pressing, support block is used to support remote controller when pressing, improve pressing effect while protecting remote controller button.

The utility model discloses a kind of high-power semiconductor devices press-fitting device, it is related to semiconductor device press-fitting technical field, including operation platform, the top of operation platform is fixedly connected with support frame, still include clamping assembly, rotating assembly and lifting assembly, clamping assembly includes substrate and clamping plate, clamping plate is symmetrically provided with two and respectively set in the two sides of substrate top end, the middle part of substrate is equipped with first sliding slot, the side of substrate is fixedly connected with driving motor, the utility model is fixedly connected with multiple additional holding components by setting rotating disc, the four corners of rotating disc top end, multiple high-power semiconductor devices can be fixedly clamped, so that multiple rotating disc can make the placement and press-fitting work of device simultaneously, effectively improve the efficiency of work, simultaneously thereby effectively can high-power semiconductor device be placed at its top end, and fixedly clamped work is carried out to it, effectively guarantee the stability of semiconductor device placement, improve subsequent press-fitting effect.

The present invention discloses a triple gear bushing embedded press-fitting device, comprising a connecting seat, a cover plate, a fixing bolt and a guide sleeve, wherein the top of the connecting seat is provided with a threaded hole 1 for installing the fixing bolt, the middle of the bottom of the connecting seat is provided with a mounting groove, a pressure head is provided in the mounting groove, a threaded hole 2 is provided on the top of the pressure head, a guide sleeve is provided below the connecting seat, the guide sleeve is detachably connected to the connecting seat, a through hole is provided in the middle of the guide sleeve, two or more guide holes communicating with the through hole are provided on the outer wall of the guide sleeve, forming pins are provided in the guide holes, the bottom of the forming pins is provided with an arc sliding groove, the bottom of the guide sleeve is provided with a spring groove communicating with the guide hole, a spring is provided in the spring groove, a steel ball is provided on the top of the spring, and a cover plate is provided at the bottom of the guide sleeve. The triple gear bushing embedded press-fitting device of the present invention has a novel structure, a small size, is easy to load and unload and disassemble for use, and has high practicality.

The utility model relates to an automatic rubber sleeve press-fitting machine which comprises a rack used for installing all parts. The bearing assembly is used for bearing parts; the bearing assembly is arranged on the rack; the storage assembly is used for storing the steel sleeves and the rubber sleeves; the storage assembly is arranged on the rack; the horizontal moving assembly is used for receiving the steel jackets and the rubber jackets in the storage assembly and horizontally moving the steel jackets and the rubber jackets to the position over the bearing assembly; the horizontal moving assembly is arranged on the rack and is adjacent to the storage assembly; the vertical press-fitting assembly is used for receiving the steel sleeves and the rubber sleeves in the horizontal moving assembly and vertically press-fitting the steel sleeves and the rubber sleeves into the parts of the bearing assembly; the vertical press fitting assembly is arranged on the machine frame. According to the automatic rubber sleeve press-fitting machine, press-fitting operation of rubber sleeves and steel sleeves on parts can be automatically completed, the automation degree is high, and the press-fitting effect is good.

The utility model relates to cutting auxiliary device technical field especially, more particularly to a quartz stone plate special-shaped curve cutting follow -up pressure device, include: cutting assembly, assemble in mobile arm, be used for cutting quartz stone plate, its by processing seat and mobile arm set cutting assembly's movement track, pressure assembly, assemble in cutting assembly, be used for to the dynamic pressure of implementing to quartz stone plate to the utility model discloses setting up pressure assembly follow -up synchronous displacement with cutting assembly, utilize the ball and realize the rolling contact with quartz stone plate, and ensure reset spring sustained force, and then realize the dynamic pressure of to quartz stone plate, avoid cutting knife and quartz stone plate to slip or relative quartz stone plate displacement, guarantee cutting track accuracy.

The utility model relates to the technical field of range hoods, and discloses a range hood cover for a kitchen, which comprises a hood body provided with an opening. The air deflector is fixedly installed at an opening of the hood body and used for guiding air, a storage structure used for collecting oil dripping from the air deflector is arranged on the inner wall of the hood body and comprises a material storage box and a limiting frame, the material storage box is detachably connected with the hood body, the limiting frame forms a cavity, and the material storage box is sleeved with the limiting frame. When lampblack on the back face of the air guide plate is collected and drips along the air guide plate, the storage box can collect the lampblack, the limiting frame can press and limit a thin film laid in a cavity of the storage box and used for separating the lampblack from the storage box, and the situation that in the air exhaust process of a draught fan in the hood body, the thin film is sucked, and consequently the draught fan is clamped and damaged is prevented; the film fixing device has a better fixing effect on the film, meanwhile, the film is convenient to replace, and daily use is convenient.

The utility model relates to a plate pressing device for transformer substation production, which comprises a working table, a moving mechanism is arranged on the working table, a frame body is arranged on the moving mechanism, a pressing mechanism is arranged on the frame body, a base plate is fixedly arranged on the top of the working table, a limiting plate is fixedly arranged on the top of the base plate, and a pressing mechanism is arranged on the pressing mechanism. A guide mechanism is arranged on the workbench, a bottommost plate is placed on the top of the base plate, the bottommost plate is attached to the limiting plate, then the guide mechanism is used for being attached to the bottommost plate, a proper amount of glue is coated on the top of the bottommost plate, and a middle plate is placed on the top of the bottommost plate. The top of the middle-layer plate is coated with a proper amount of glue, the uppermost-layer plate is placed on the top of the bottommost-layer plate, then the multiple layers of plates are integrally moved, so that the multiple layers of plates are not attached to the limiting plates, finally, the moving mechanism is used for driving the frame body and the pressing mechanism to move, and the pressing mechanism is used for pressing the multiple layers of plates.

The utility model relates to the field of corrugated board processing, and discloses a high-pressure paperboard compounding device for corrugated board processing, which comprises a base, a high-pressure paperboard compounding mechanism and a high-pressure paperboard compounding mechanism, the paperboard high-pressure compounding mechanism comprises a hydraulic cylinder, a pressing plate, an electric heating wire, a heat conducting plate, an air blowing pump, an air blowing pipe, a connecting pipe, a branch pipe, a hollow frame and an exhaust pipe; a hydraulic rod of the hydraulic cylinder is fixedly connected with the pressing plate, the electric heating wire is fixedly installed in the pressing plate, the heat conducting plate is fixedly installed on the pressing plate, and the blowing pump is fixedly installed on the base. Compared with the prior art, the paperboard laminating device has the following advantages and effects that when paperboards are subjected to high-pressure compounding, the paperboards can be heated, so that glue between the paperboards can be heated, the laminating effect of the paperboards is improved, the paperboards can be quickly cooled after compounding is completed, the condensation efficiency of the glue between the paperboards is improved, and the production efficiency of the paperboards is improved. The production efficiency is ensured.

The utility model discloses a semi-automatic air pipe rapid press-fitting tool which comprises a press-fitting air cylinder arranged in the middle of a press-fitting table through a positioning seat, a press-fitting head arranged at the telescopic end of the press-fitting air cylinder, a control mechanism arranged on the press-fitting table, a fixing seat arranged on one side of the press-fitting table, a positioning groove formed in the fixing seat, and a hinged pressing strip arranged on the rear side of the fixing seat through a lever air cylinder. An occlusion rack is arranged below the hinge pressing strip and corresponds to the positioning groove in position, and a pressing mechanism is arranged on the front side of the fixing base. The time relay is arranged to control the electromagnetic valve to adjust the cooperation mechanism of the air cylinder, cooperation fastening of the lever air cylinder and the pressing block is matched, the air pipe can be pressed when the air pipe connector is pressed, the phenomenon that the air pipe slides is avoided, the problem that a traditional device is not tight in pressing is solved, and the device is simple in structure, good in pressing effect, easy to operate and low in cost. And the maintenance cost is greatly reduced.

The invention provides a medicine pressing device for assisting medicine slicing and feeding, and relates to the technical field of medicine pressing devices.The medicine pressing device comprises an operation table, a feeding groove is formed in the operation table, a feeding groove is formed in the feeding groove, a first air cylinder is fixedly connected into the feeding groove, and a push plate is fixedly connected to a piston rod of the first air cylinder; a feeding groove is formed in the operating table, a feeding port is formed in the operating table and communicates with the feeding groove, a first motor is fixedly connected to the operating table, two rotating shafts are rotationally connected to the operating table, belt wheels are fixedly connected to the two rotating shafts, and a transmission belt is arranged on the two belt wheels jointly. According to the medicinal material slicing machine, the problem that the workload and danger coefficient of manual operation are increased due to the fact that medicinal materials need to be manually pressed at the front end of a feeding port of the medicinal material slicing machine, and the medicinal materials stably enter a slicing area to be sliced is solved.

The invention discloses an automatic deviation correcting device for artificial turf conveying and relates to the technical field of blocky artificial turfs.The automatic deviation correcting device comprises a production frame and a storage frame and further comprises a guiding device.A production hole is formed in the top of the production frame, traction equipment is fixedly installed on the inner wall of the production hole, and a placing frame is fixedly installed on the top of the production frame; a servo motor is fixedly installed on the front side of the containing frame, the guiding device comprises a guiding rod, a rubber plate, a guiding disc and a containing block, the containing block moves in the direction away from the servo motor to drive a deviation rectifying rod to move, and the deviation rectifying rod moves to drive a deviation rectifying plate to move; the deviation correcting plate moves in the direction away from the servo motor to conduct deviation correcting operation on the block-shaped artificial turf on the top of the production frame, the moving direction of the turf can be effectively controlled by using the combination of a guide disc and a rubber plate, and therefore deviation of the block-shaped artificial turf is reduced, and the efficiency of follow-up deviation correcting operation is further improved.

This application relates to the field of battery technology and discloses a cover plate assembly and a battery. The cover plate assembly includes: a cover plate body with terminal mounting holes and a flange structure; a terminal, whose projection on the extending plane of the cover plate body is a unicornuate shape; the flange structure includes an extension portion and a pressing portion; the pressing portion includes a long side section suitable for pressing a straight portion and an arc side section suitable for pressing an arc portion; the width of the pressing portion extending from the extension portion on the long side section is S (in mm); the width of the pressing portion extending from the extension portion on the arc side section is T (in mm), and S > T. The cover plate assembly provided by this application enables the long side section to apply a greater pressing force to the straight portion of the unicornuate terminal after riveting, thereby improving the pressing tightness and connection reliability of the terminal edge, avoiding local deformation of the long side section due to its long length, and improving the deformation resistance of the long side section.

This utility model discloses an auxiliary forceps for bonding invisible orthodontic attachments, relating to the technical field of auxiliary forceps for bonding invisible orthodontic attachments. The auxiliary forceps for bonding invisible orthodontic attachments includes a forceps control handle, an additional sleeve, and a fixing block. The auxiliary forceps for bonding invisible orthodontic attachments employs a structure where the additional sleeve is fitted onto a protruding connecting plate of the forceps. The protruding block on the additional sleeve facilitates pressing the attachment, achieving multi-angle pressing with good pressing effect. This product is used to fix the template during the bonding of invisible orthodontic attachments. Because the head is replaceable, it can be used for bonding various attachments in different positions, enhancing the bonding efficiency and accuracy of attachments, improving the fit between the attachment and the tooth, improving the fit between the tooth, attachment, and invisible aligner, improving the removal of excess resin, reducing the probability of air bubbles in the attachment, thereby reducing resin waste and the risk of discoloration and tooth decay caused by excess resin accumulation and plaque.

The utility model discloses a press-fitting machine with pressure sensing and pin pressing functions, which relates to the technical field of press-fitting machines and comprises a press-fitting machine body, an air cylinder is arranged above the press-fitting machine body, the output end of the air cylinder is fixedly connected with a square frame, the inside of the square frame is fixedly connected with a partition plate, and the partition plate is fixedly connected with a pressure sensor. A plurality of strip-shaped holes are formed in the upper surface of the partition plate, U-shaped plates are fixedly connected to the interiors of the two corresponding strip-shaped holes, a plurality of pressing blocks are fixedly connected to the lower surface of each U-shaped plate, and the end, away from the corresponding U-shaped plate, of each pressing block penetrates through the lower surface of the square frame. By rotating each knob, each screw rod rotates, then each sleeve can move downwards, then each U-shaped plate is driven to move downwards, and when the air cylinder moves downwards, pressure generated by each pressing block due to different heights is also different, so that the pressing effect can be better.

The invention discloses a three-step pressing module and method for an automobile door cover. The three-step pressing module comprises a fixed rack, a vertical sliding set, a horizontal sliding set and an insert assembly. The position of the fixed rack is fixed; the vertical sliding set comprises a vertical movable rack and a vertical driving assembly. The vertical movable rack is in sliding connection with the fixed rack in the vertical direction; the vertical driving assembly is used for driving the vertical movable rack to slide in the vertical direction relative to the fixed rack. The horizontal sliding group comprises a guide groove seat, a sliding plate and a horizontal driving part; the guide groove seat is fixedly connected to the top end of the vertical movable rack, and the sliding plate is arranged in the guide groove seat. The horizontal driving piece is used for driving the sliding plate to slide in the guide groove base in the horizontal direction. The insert assembly comprises a mounting base, a final pressing insert and a pre-pressing insert, the final pressing insert and the pre-pressing insert are fixedly connected to the top face of the sliding plate through the mounting base, and the pre-pressing insert is provided with a first pre-pressing working face and a second pre-pressing working face. According to the invention, three-step pressing of a large-angle opening on a part can be realized.

A pressing mechanism comprises a supporting assembly which comprises a base and a sliding seat, the base is provided with a sliding rail, and the sliding seat is in sliding connection with the sliding rail; the press-fit assembly comprises a press-fit piece, a connecting piece and a first elastic piece, the press-fit piece comprises a body part and a press-fit part, the body part is movably arranged on the sliding seat and provided with a containing groove and a through hole, the press-fit part extends out of the body part, the connecting piece is fixedly connected with the sliding seat and provided with a limiting part, and the first elastic piece abuts against the body part and the limiting part; the driving assembly comprises a driving handle and an eccentric wheel, the driving handle is rotationally connected with the body part, and the eccentric wheel is arranged in the containing groove and connected with the driving handle. The utility model further provides a pressing device. The pressing device comprises the pressing mechanism. The positioning mechanism comprises a connecting part used for being connected with the pressing mechanism and a positioning part used for bearing and positioning the workpiece. According to the press-fit mechanism and the press-fit device, a plurality of workpieces can be pressed together, the press-fit precision is high, and the press-fit effect is good.