1192results about "Press ram" patented technology

The invention discloses a hydraulic machine with a safety protection function, and relates to the technical field of hydraulic machines. Auxiliary stand columns are installed on the periphery of the outer surface of the supporting column set, springs are arranged on the outer surfaces of the auxiliary stand columns in a sleeving mode, fixing blocks and four-column frame assemblies are fixedly connected to the outer surfaces of the bottoms of the supporting columns, when the supporting columns operate downwards to apply pressure, a protection plate can slide downwards rapidly, and the outer surface of the protection plate is protected by irregular rubber bodies; when the supporting columns are extruded, scattered small parts can absorb kinetic energy through the irregular colloid on the outer surface of the protection plate, and the service life of the protection plate is effectively prolonged. The working table and the control table are arranged at the bottom of the supporting column assembly, the working table and the control table are integrated and detachable, and space is effectively saved. The safety of operators and a machine is guaranteed through the guard plate, the irregular rubber body and the brake when the hydraulic machine works, and normal operation of the hydraulic machine is guaranteed.

Method for dry-forming cellulose products from a cellulose blank structure in a product forming unit. The product forming unit includes a blank dry-forming module and a pressing module. The cellulose blank structure is air-formed in the blank dry-forming module onto a forming wire. The pressing module includes one or more forming molds for forming the cellulose products from the cellulose blank structure in a pressing operation. The method includes arranging the forming wire in a stationary mode during the pressing operation.

The utility model belongs to the field of curved block processing equipment, and particularly provides a parameter-controllable curved block bionic treading and rubbing device which comprises a power device used for driving a lifting assembly to lift up and down, the lifting assembly comprises a lifting platform, and the lifting platform is connected with a treading and rubbing support through a connecting rib plate. A plurality of treading and kneading lifting guide sleeves for guiding the treading and kneading connecting device are arranged on the treading and kneading support, a treading and kneading assembly is arranged on the lifting assembly, the treading and kneading assembly comprises an excitation power device for driving an eccentric shaft assembly, the eccentric shaft assembly comprises a power shaft, a plurality of eccentric bearings are arranged on the power shaft, and the upper end of an output sleeve rod is connected with the eccentric bearings; the treading and kneading connecting rod device comprises a loading connecting rod hinged to the supporting hinged support, the upper end of the tolerance connecting rod is hinged to the loading connecting rod, the lower end of the tolerance connecting rod is hinged to the treading and kneading connecting device, and the lower end of the treading and kneading connecting device is connected with the treading and kneading mold. The device simulates manual treading of the flexing block with feet for multiple times, improves the production efficiency and reduces the labor intensity.

The invention relates to the technical field of transformer machining, in particular to an oil-immersed transformer iron core machining stamping device which comprises a main body unit, a support, a stacking column fixedly connected with the inner wall of the support, a stamping mechanism arranged on the support and a driving unit. Comprising a push-pull mechanism arranged on the stamping mechanism and used for driving the stamping mechanism to move up and down, and the discharging unit comprises a discharging mechanism arranged on the support. The stamping mechanism and the discharging mechanism are synchronously driven by the driving mechanism, so that after the upper die base completes stamping, the discharging mechanism can be precisely connected for iron core taking, iron core transferring and stacking are achieved through the discharging unit composed of a pure mechanical structure, equipment such as a high-cost mechanical arm does not need to be introduced, the use cost is lower, and when the iron cores are transferred and discharged, the production efficiency is improved. And other equipment parts such as a limiting buffer rod bypassing the stamping mechanism avoid collision and interference between structural equipment, and the flexibility and the space adaptability of the device can be effectively improved.

The invention relates to the technical field of stamping devices, and discloses an intelligent stamping device and a stamping method, and the intelligent stamping device comprises a hydraulic telescopic stamping mechanism and a hydraulic strength control mechanism. According to the intelligent punching device and the punching method, liquid pressure is used as a driving medium, the characteristic of stable punching is achieved, the device can control the maximum impact strength between the male die and the female die, and therefore on the basis that a metal plate can be fully bent, the punching efficiency is improved. The impact strength between the male die and the female die can be controlled within a reasonable range, then the negative influence of the male die and the female die caused by impact is weakened, in addition, the maximum impact strength of the device in the working state can be adjusted according to the actual hardness of the metal plate, and therefore the adaptability of the device in the working process is improved.

The present invention discloses a structural design method for a large press, which comprises the following steps: roughly designing the press; testing and measuring the stiffness and strength of the slider, column and workbench in the press; performing simulation analysis on the press model and the workpiece forming process, comparing and analyzing with the experimental results, and adjusting the simulation model according to the experimental results and the workpiece forming simulation effect; performing topology optimization on the fuselage based on dynamic loads to obtain an optimized fuselage model; the present invention uses dynamic tests to achieve the dynamic stress and dynamic displacement tests of the fuselage, and adjusts the simulation model according to the dynamic loads to ensure the dynamic accuracy index of the design.

The invention belongs to the technical field of lifting tools, and particularly discloses a lifting device oil way system, a lifting device, a jack, a pressing machine and a crane. The oil way system of the lifting device comprises a lifting oil cylinder, an oil tank, a first oil inlet way, a second oil inlet way and an oil return pipeline, the first oil inlet path is an oil inlet path of the gear pump assembly; and the second oil inlet path is an oil inlet path of the plunger pump assembly. When the lifting device is in the no-load or low-pressure condition, the gear pump assembly can rapidly pump in much hydraulic oil with small pressure so that the lifting device can rapidly ascend or descend, the defect that in the prior art, the displacement speed of a hydraulic lifting pump is low under the no-load or low-pressure condition is overcome, and the user experience is improved; when the hydraulic lifting pump is in a high-pressure condition, the plunger pump assembly can pump high-pressure hydraulic oil into the lifting oil cylinder so that the lifting oil cylinder can ascend or descend slowly, the lifting device can move slowly, and the normal use requirement of a user is met.

The disclosure discloses an oil circuit system, a lifting device, an electric jack, a press, a crane, and a tire mounting / dismounting and transport apparatus. The oil circuit system comprises a lifting oil cylinder, the tank, the first oil feed line, the second oil feed line, the oil inlet / outlet line, the pressure relief line, the oil return line, the first valve, the second valve; the first oil feed line is the gear pump assembly oil feed line; and the second oil feed line is the plunger pump assembly oil feed line. Under no-load or low-pressure conditions of the lifting device, the gear pump assembly can quickly pump a larger volume of low-pressure hydraulic oil, enabling quick lifting or lowering of the lifting device. Under high-pressure conditions, the plunger pump assembly can quickly pump higher pressure hydraulic oil to the lifting oil cylinder to enable slow lifting or lowering.

The parallel-connection multi-sliding-block servo press comprises a machine body frame, a working table plate is arranged on the lower side in the machine body frame, a first servo motor is arranged on one side of the machine body frame, a second servo motor is arranged on the other side of the machine body frame, the first servo motor controls an outer sliding block to move independently through an outer driving control system, and the second servo motor controls an inner sliding block to move independently through an outer driving control system. The outer sliding block is arranged in the machine body frame in a sliding mode, the second servo motor controls the inner sliding block to move independently through the inner drive control system, and the inner sliding block is arranged in the outer sliding block in a sliding mode. A parallel connection multi-sliding-block structure is adopted, the multi-sliding-block punching machine can be used for punching blanking and a cup punching special composite technology of shallow stretching, can also be used for a common single punching technology, and aims at achieving the purposes that one machine has multiple functions, the machining efficiency is improved, the machining cost is reduced, and the machining efficiency is improved. The device has the characteristics of compact structure, environmental protection, safety and high efficiency.

A press device (1) is provided with: a plurality of lower molds (11) which are integrated by being held by a bolster (13); a plurality of upper molds (12) which are provided so as to correspond to the lower molds (11); a plurality of slides (14) which respectively hold the upper molds (12) and reciprocate vertically; a plurality of slide guides (32) which guide the corresponding slides (14) in the vertical direction; and a plurality of frames (31) which respectively support the corresponding slide guides (32).

The invention relates to a closed type double-point multi-connecting-rod servo press which comprises a press body, a transmission box, a lead screw, a lower bearing, a lower supporting sleeve, a nut and a driving sliding block. A servo motor is arranged at the upper end of the transmission box; the upper end of the screw rod is connected with the servo motor through a cylindrical pin; an upper lubricating end cover is arranged at the upper end of the driving sliding block, a lower lubricating end cover is arranged at the lower end of the driving sliding block, sealing felt is arranged at the upper end of the upper lubricating end cover, and the driving sliding block, the upper lubricating end cover and the sealing felt are matched to form an upper lubricating cavity. The lower lubricating end cover is connected with a telescopic sleeve arranged on the bottom plate, the driving sliding block, the lower lubricating end cover, the telescopic sleeve and the bottom plate are matched to form a lower lubricating cavity, a circulating oil way is arranged between the upper lubricating cavity and the lower lubricating cavity, lubricating oil in the lower lubricating cavity is conveyed into the upper lubricating cavity through the circulating oil way, and the circulating oil way passes through the lower bearing and is communicated with the lower lubricating cavity. Lubricating oil in the circulating oil way lubricates the lower bearing. The invention has the advantages of reasonable structural design, closed lubrication, good lubrication effect, high transmission precision and the like.

The present invention relates to a press (1) comprising a press frame (2) which has at least four ram guides (3) on which a ram (4) is guided via guides. The ram (4) is driven by means of an eccentric shaft (16) and at least two connecting rods (5, 6), each of the connecting rods (5, 6) being connected to the ram (4) via a ball screw (7), and each of the ball screws (7) having a spindle adjustment mechanism with drives (8) that can vary the length of the connecting rods. According to the invention, at least three ram guides (3) are each provided with a displacement measuring system for detecting the distance (x, y) of the ram (4) from the press table (9), wherein an evaluation unit compares the measured distances (x, y) with one another and thus detects any tilting of the ram (4) at the bottom dead centre. Depending on this tilting, the drives (8) of the spindle adjustment mechanisms are controlled so that the length of the connecting rods (5, 6) is adjusted so as to compensate for or reduce the tilting of the ram (4) at the bottom dead centre in subsequent strokes. The present invention also relates to a method for reducing ram tilting in a press (1).

There is provided a stamping die capable of aligning a gap in a die without separating and reassembling the die, the stamping die including an upper die and a lower die arranged in a first direction, where the upper die includes: a first cam portion including a first cam portion and a second cam portion including a second cam portion and a third cam portion; a first cam portion allowing a portion of the other mold to move in a second direction different from the first direction when one of the upper mold and the lower mold moves in the first direction; and a material fixing portion for fixing a material, and the lower mold includes: a second cam portion corresponding to the first cam portion; a molding portion that moves together with the second cam portion for molding a material; and a material supporting portion that supports the material. The molding portion is divided into a plurality of regions along a third direction, the third direction being a length direction of the material, and a gap adjusting portion that moves the molding portion in the second direction is provided between a partial region of the molding portion and a partial region of the second cam portion.

The invention discloses a continuous step-by-step pressure polymerization treatment device based on livestock and poultry manure recycling, and relates to the technical field of livestock and poultry manure pressure polymerization, the continuous step-by-step pressure polymerization treatment device specifically comprises a sorting cover and a pressure polymerization box, the top of the sorting cover is fixedly connected with the pressure polymerization box, a polymerization cylinder is fixedly installed in the pressure polymerization box, and the outer wall of the polymerization cylinder is sleeved with a sleeve; according to the continuous step-by-step pressing and gathering design and the dynamic adjusting mechanism, the livestock and poultry manure treatment efficiency is remarkably improved, the subsequent cost is reduced, the staged pressure increasing strategy is adopted, a first pressing plate and a second pressing plate are driven by a crankshaft to cooperatively press in the first-stage extrusion stage, and preliminary dehydration is achieved; in the second-stage extrusion stage, the distance between pressing plates is dynamically reduced by means of a pressing and gathering adjusting box, the water content of the manure residues is further reduced to 40% or below from 50%-70% of traditional single-stage extrusion, drying or composting energy consumption is greatly reduced, the stroke of a swing arm is adjusted in real time through an eccentric sleeve wheel linkage mechanism, step-by-step increasing of pressure is achieved, and shutdown is not needed; the energy consumption is reduced by more than 30% compared with the traditional high-pressure squeezing.

The invention discloses an automatic tablet press for pyrotechnic composition production, and relates to the technical field of pyrotechnic composition production. The firework raw material tabletting device comprises a rack, a top frame is fixed to the top of the rack, a pressing assembly used for tabletting firework raw materials is arranged on the front side of the top of the top frame, a feeding assembly used for feeding the firework raw materials is arranged on the rear side of the top of the top frame, and an automatic device is arranged in the rack. And the automatic device comprises two I-shaped wheels rotationally mounted on the two sides of the interior of the rack, a conveying belt mounted between the exteriors of the two I-shaped wheels in a transmission manner, and a plurality of flaking cylinders uniformly fixed in the conveying belt at equal intervals. Through the arrangement of the automatic device, the automatic conveying and pressing process of the firework raw materials is achieved, the working efficiency of a production line can be greatly improved, manual intervention is reduced, compared with manual operation, the continuous operation of the automatic device enables the production period of the firework raw material tableting to be shortened, and the yield is improved.

The invention relates to the technical field of stamping dies, in particular to a mechanism for increasing the feeding speed of a stamping die, the mechanism is used for die conveying work on the surface of a lower base, an upper base is arranged on the lower base, the mechanism comprises a bearing assembly and a material belt, and the material belt is located on the bearing assembly; a guide pin hole is formed in the material belt; the feeding driving assembly is installed on the bearing assembly, a buckle unit is arranged on the feeding driving assembly, the buckle unit is matched with the guide pin hole, and when the feeding driving assembly works, traditional single-side drag hook type conveying is abandoned, and the conveying efficiency is improved. Through precise matching of cylindrical teeth of the index plate and guide pin holes of the material belt, the long material belt is integrally and synchronously pulled, the problem that conveying is limited due to single-side stress is solved, the servo motor is adopted to be matched with the index plate for orderly transmission, the buckle units are accurately and rapidly clamped into or separated from the guide pin holes, the feeding speed is greatly increased, and the efficient punching production requirement is met.

The utility model discloses a multi-connecting-rod transmission mechanism of a gate-type two-point press machine in the field of press machines, which comprises a press machine body, two parallel and equal-height crankshafts are rotatably arranged on the press machine body, and a first bearing seat and a second bearing seat are arranged on the press machine body corresponding to a main transmission shaft. An eccentric shaft hole allowing the front end of the main transmission shaft to penetrate through is formed in the first bearing seat, the rear end of the main transmission shaft penetrates through the second bearing seat and is sleeved with a main gear, one side of the main gear is in transmission connection with a driving gear at the rear end of one crankshaft through an idle gear, and the other side of the main gear is in meshed connection with a driving gear at the rear end of the other crankshaft. A large gear is rotatably arranged on the periphery of the first bearing seat, the large gear is in transmission connection with a rotation driving mechanism, and a multi-connecting-rod mechanism connected with the main transmission shaft is arranged on the large gear. According to the utility model, the phenomenon that the dot distance between the two crankshafts is too small is avoided, and the unbalance loading resistance is stronger.

The invention relates to the technical field of pipe machining, in particular to a hydraulic machine for pipe fitting machining and a using method thereof.The hydraulic machine comprises a cabinet body and a controller, the controller is installed at the bottom of an inner cavity of the cabinet body, the hydraulic machine further comprises a stamping mechanism, a feeding mechanism and a lubricating mechanism, and the stamping mechanism is fixedly connected to the left end of the upper surface of the cabinet body; the feeding mechanism is fixedly connected to the right end of the upper surface of the cabinet body in the front-back direction. The lubricating mechanism is transversely mounted at the front end of the feeding mechanism; the base is fixedly connected to the left end of the upper surface of the cabinet body; the proximity switch is installed at the front end of the right side wall of the base and electrically connected with the controller. The two first hydraulic oil cylinders are transversely installed at the front end and the rear end of the upper surface of the base correspondingly, and the first hydraulic oil cylinders are electrically connected with the controller. Automatic punching and reducing of the pipe are achieved, the machining efficiency is improved, potential safety hazards of manual feeding and discharging are eliminated, regular maintenance of the punching sleeve is achieved, the service life of the punching sleeve is prolonged, and the machining cost is reduced.

The invention discloses a full-automatic stirring, filling and tabletting system in the technical field of automatic production. The full-automatic stirring, filling and tabletting system comprises a stirring system, a filling system, a tabletting system and a fault monitoring system for detecting the systems, the modules are in signal linkage through the controller; the stirring system comprises a storage module and a stirring module; the material storage module comprises a material storage bin, a conveying belt is arranged below the material storage bin, the stirring module is arranged in the conveying direction of the conveying belt, and a bearing tray is arranged between the conveying belt and the stirring module; the stirring module comprises a stirring bin, and the bearing tray can transport materials into the stirring bin to be stirred; a stirring motor for stirring is arranged in the stirring bin; the control system is in linkage with the material storage module, the stirring module, the filling module, the tabletting module and the fault monitoring module, and automatic operation of the whole process of material proportioning, stirring, filling and tabletting can be achieved only through one-key starting after relevant parameters are set through the HMI.

The invention relates to an overload protection device for a toggle rod press. The overload protection device comprises a cylinder body, a piston, a locking ring, a cushion block, an inclined block, a screw rod, a pin shaft, an inclined block mounting seat and a sliding block; the piston is arranged in the cylinder body and can move up and down along an inner cavity of the cylinder body; the locking ring is arranged in the cylinder body and used for limiting the limiting position of downward movement of the piston. The cushion block is arranged below the piston and can only move up and down; the inclined block is arranged below the cushion block, and the inclined surface of the inclined block is in contact with the cushion block; the inclined block is connected with the pin shaft in a matched mode through a hole shaft, and the pin shaft moves left and right and drives the inclined block to move left and right. The pin shaft is provided with an internal thread hole which is matched with the external thread of the screw rod; the inclined block is arranged on the inclined block mounting seat, and the inclined block mounting seat is connected with the sliding block. Hydraulic pre-tightening is combined with the inclined plane mechanism, the inclined plane mechanism and the cushion block form a rigid force transmission chain, the oil cylinder provides constant supporting force, and during overload, the oil cylinder firstly acts and releases pressure, so that a transmission path of abnormal force is cut off, and key protection on a core structure of the press is realized.

The utility model relates to the field of electrical automation design, and discloses an intelligent card self-adaptive pressing device which comprises a base, the left side and the right side of the top of the base are fixedly connected with second connecting columns, the adjacent sides of the tops of the two second connecting columns are fixedly connected with fixing plates, and the tops of the fixing plates are fixedly connected with hydraulic oil cylinders. The output end of the hydraulic oil cylinder penetrates through the top of the fixing plate and is fixedly connected with a hydraulic plate, connecting rods are rotationally connected to the front side and the rear side of the outer wall of the fixing plate correspondingly, the other ends of the connecting rods are rotationally connected with the front side and the rear side of the top of the hydraulic plate correspondingly, and pressing blocks are fixedly connected to the front side and the rear side of the bottom of the hydraulic plate correspondingly. According to the utility model, the pressure can be adjusted through the first connecting column, the second spring and the push plate, the smart card is ensured to be uniformly stressed, the pressing quality and precision are improved, the defective rate is reduced, and the whole-course accurate monitoring of the pressure sheet in the connecting cylinder at the top of the placing plate is realized.

The utility model relates to the technical field of hardware machining, and discloses an anti-deviation hardware stamping die which comprises a stamping base, four sets of reserved cavities are formed in the stamping base, collecting boxes are arranged in the reserved cavities, the two sides of the top end of the stamping base are fixedly connected with fixing frames, the top end of the stamping base is fixedly connected with a stamping table, and the stamping table is fixedly connected with the stamping base. And a lower die is installed in the punching table, second air cylinders are fixedly installed on the four edges in the punching table, the output ends of the second air cylinders are fixedly connected with clamping plates, and a hydraulic cylinder is installed at the top end of the fixing frame. According to the anti-deviation hardware stamping die, a second air cylinder pushes a clamping plate to clamp the four edges of hardware, the clamping plate can adjust the hardware to the most standard position to achieve stamping due to set data, then a first air cylinder pushes a positioning plate to move downwards to position the top of the hardware, the stamping stability and precision are improved, and the stamping efficiency is improved. The problem that deviation is prone to occurring in the stamping process is solved.

The utility model discloses a press forming die for medium and large oil presses, and relates to the technical field of oil press dies, the press forming die comprises a main machine body and a mounting assembly, a control panel is mounted on the right side outside the main machine body, a processing cavity is formed in the middle inside the main machine body, and the mounting assembly is arranged at the lower end inside the processing cavity; and the mounting assembly comprises a mounting base, a mounting groove, a mounting block, a mold body, a limiting through groove, a pneumatic rod, a clamping block, an anti-skid rubber layer and a limiting block, the mounting groove is formed in the upper end of the interior of the mounting base, and the mounting block is connected into the mounting groove. According to the compression molding die for the medium and large oil presses, through the arrangement of the mounting assembly, the problems that most oil presses need to be replaced and mounted according to objects to be machined before pressing, the dies are mostly fixed to the oil presses through a plurality of bolts, and consequently time and labor are wasted during replacement of the dies are solved; and the overall practicability of the oil press die is improved.

Composite compaction system and method of use are presented. A method of supporting a composite compaction system is presented. A number of morphable bag supports of the composite compaction system is held in a retracted state. A contact face of a vacuum bag of the composite compaction system is placed in contact with a composite material on a support structure. The number of morphable bag supports is placed in an engaged state to conform to the support structure.

A forging machine includes a first tool carrier and a second tool carrier, a drive system for driving the first tool carrier in a working movement, a machine frame, wherein the machine frame is formed of a concrete prestressed with prestressing elements, wherein the machine frame comprises a frame base and a frame support connected to the frame base, wherein longitudinal prestressing elements are provided which extend parallel to the central axis (M) and each extend through the frame support, the frame base, and through the cross-member, wherein transverse prestressing elements are provided both in the frame base and in the cross-member, wherein the longitudinal prestressing elements and the transverse prestressing elements include prestressing anchors, and wherein the prestressing anchors are each arranged on an outer surface of the frame base or the cross-member.

The utility model discloses a split type hydraulic machine suitable for production of automotive upholstery, which comprises a working table, the clamping device is used for clamping and fixing the automotive upholstery, the adjusting device is used for adjusting the horizontal position of the hydraulic oil cylinder, the top of the wheel is fixedly connected with a connecting plate, and the top of the connecting plate is fixedly connected with an auxiliary hydraulic oil cylinder. According to the device, the adjusting device is arranged, wheels are pushed to move in guide rails, movement of the wheels drives connecting plates to slide, the connecting plates drive hydraulic auxiliary oil cylinders to move, fastening bolts on the connecting plates are inserted into corresponding threaded holes, and the positions of the hydraulic auxiliary oil cylinders on the connecting plates are fixed; the hydraulic auxiliary oil cylinders are arranged in the horizontal direction, the piston rods of the hydraulic auxiliary oil cylinders can produce the interior trim parts conveniently, the number or the positions of the hydraulic auxiliary oil cylinders in the horizontal direction are changed to be adjusted in time, production of the automotive interior trim parts is facilitated, the production efficiency of the interior trim parts is improved, and the production purpose is achieved.

The present application relates to the technical field of power hardware processing and manufacturing, and particularly relates to a cross arm production process. The process comprises: after a fluid-incompressible pressure-maintaining rigid boundary is constructed by pressing a main hydraulic cylinder, starting a microseismic device to directionally inject high-frequency mechanical microseismic kinetic energy into the cross arm; synchronously extracting a back pressure feedback value in a sealed loop and monitoring a dynamic attenuation slope thereof in real time; when the slope is detected to be flat and to be in an attenuation stagnation of internal stress release, under a timing safety interlock protection mechanism for executing confirmation of mechanical wave calming, triggering a high-frequency electrically-controlled proportional overflow valve to execute millisecond-level transient micro-pressure relief and extremely fast pressure reconstruction, so as to provide a transient volume yielding space for metal lattice rearrangement; and finally completing final state confirmation when the absolute value of the back pressure is stabilized at a zero rebound threshold. The present application can solve or at least alleviate the secondary rebound problem caused by lattice distortion residual strain energy accumulation in the forming of thick-walled metal components, and improve the production quality of the cross arm.