2482results about "Press ram" patented technology

A system and process for stamping parts having tolerances below 1000 nanometers. The inventive system and process is particularly suited for producing optoelectronic parts. The system includes a stamping press and one or a progression of stamping stations for supporting a punch and die. The stamping stations are designed to maintain substantial alignment of the punch and die with minimal moving components. The stamping station includes a shaft for rigidly guiding the punch to the die. The stamping press is capable of providing the punch with the necessary force to perform the stamping operations. The system includes an interface system for interfacing the force of the press with the punch, while simultaneously structurally decoupling the press from the punch. The system also includes a locating sub-plate, for locating the stamping station in alignment relative to each other, and means for in-line machine stock material before entry into the stamping stations.

The invention relates to a multi-point forming device for a plate. The device comprises a die carrier, a plurality of upper pressure head pressurizing units and a plurality of lower pressure head supporting units, wherein the plurality of upper pressure head pressurizing units are arranged on an upper flat plate of the die carrier; the plurality of lower pressure head supporting units are arranged on a lower flat plate of the die carrier; each upper pressure head pressurizing unit consists of an upper pressure head, a spring and a travel adjusting component; an upper pressure head is arrangedin a positioning hole on the upper flat plate of the die carrier, and can move up and down along the axis of the hole; the spring is arranged between the upper pressure head and the upper flat plate of the die carrier; each lower pressure head supporting unit consists of a lower pressure head, a plunger and a hydraulic cylinder; the hydraulic cylinder is fixed on the lower flat plate of the die carrier; and the plunger is connected with the lower pressure head. A forming curved surface can be formed optionally and is easy and convenient to adjust. Any element is not required to be adjusted inreal time in a forming process, and stable and uniform normal pressure always acts on the plate, so that effective normal constraint is formed and the plate can be effectively prevented from wrinkling. The device has a reasonable structure, is easy to operate, works reliably, and is an ideal multi-point forming device for the plate.

For separating the contents from the package of used capsules (10) for making beverages, particularly capsules of metal containing coffee, an device (1) respectively a press, particularly a manual press, is preferably used, by which the capsule is crunchable, such that its contents comes out of the extraction side of the capsule, where it is collected and can be disposed of separately from the capsule.

According to an embodiment of the invention, a mechanical press includes a transmission that comprises a first transmission and a second transmission coupled to the first transmission. The first transmission is for receiving mechanical movement from a first motor and to transmit mechanical movement to a ram. The second transmission is for modifying configuration of the first transmission in response to mechanical movement received from a second motor, and a profile of movement of the ram over a pressing cycle is affected by a profile of movement from the second motor over the pressing cycle.

A heating-type vacuum press device which has a small vacuum isolation chamber in which pressing is performed under vacuum without damage to seal packing, while heating. A lower fixed frame and an upper movement frame constitute a wall portion of the isolation chamber. A gas-tight sliding mechanism ensures gas-tightness between the lower fixed frame and the upper movement frame. Thereby, the isolation chamber is formed in a space defined by the lower fixed frame, the upper movement frame, a base and a fitting plate. The lower fixed frame surrounds a receiving table equipped with a heater for a workpiece, and is arranged on the base such that the lower fixed frame is spaced from the receiving table. The upper movement frame is hanged from the fitting plate such that the upper movement frame is spaced from a pressing plate equipped with a heater, and surrounds the pressing plate. The isolation chamber is sucked to vacuum, and a workpiece on the receiving plate is pressed under heating and vacuum at a high temperature with a low thrusting force by descending the pressing plate. The present apparatus is suitable for bonding multi-functional laminated films having high heat-resistant temperature.

The present invention discloses an adjustable hydraulic press with both upper and lower double action, specially suitable for the cylindrical gear formed by stamping or expanding, closed forging and the metal cold forming or metal hot forming of punching, finishing, flanging and drawing of sheet materials. The press comprises four columns, an upper beam, a main slide block, a hold down slide block, a fixing worktable, a floating worktable and a lower beam. The hydraulic chamber of master cylinder fixed in the upper beam communicates to the hydraulic chamber of the auxiliary cylinder, the plunger of master cylinder is connected to the main slide block and drives it. The hydraulic chamber of gas-liquid power accumulator fixed in the main slide block communicates to the hydraulic chamber of hold down cylinder, the plunger of hold down cylinder is connected to the hold down slide block and drives it. The plunger of ejecting cylinder fixed in the lower beam is connected to the floating worktable and drives it. The hydraulic press of the invention simplifies the hydraulic system of the existing hydraulic, improves utilization rate of energy, production efficiency and working accuracy of workpiece.

The invention relates to a plate forming device and a plate forming method, in particular to a magnetorheological fluid flexible die forming device and a magnetorheological fluid flexible die forming method for plates, which aims to solve the problem that existing hydraulic forming, semisolid viscous medium pressure forming and polyurethane rubber forming are suitable for certain plate forming range respectively and advantages of the three cannot be combined in a plate forming process. The forming device comprises a first magnetorheological fluid injection cylinder, a second magnetorheological fluid injection cylinder, a magnetorheological fluid container, magnetorheological fluids, solenoids, a die, a side pressing cylinder, a third magnetorheological fluid injection cylinder and a fourth magnetorheological fluid injection cylinder. During the forming process, the first magnetorheological fluid injection cylinder and the second magnetorheological fluid injection cylinder injects the magnetorheological fluids into a first cavity, magnetic field intensity of the magnetorheological fluids region is changed through regulating electricity, and then shapes needed of the plates to be formed can be formed. The magnetorheological fluid flexible die forming device and the magnetorheological fluid flexible die forming method for plates are applicable to the field of plate forming.

An integrated system for: complete waste compactor operational control; remote fullness monitoring; and, remote performance and maintenance diagnostics. Such diagnostic information is transferred wirelessly or otherwise to one or more recipients, so as to directly provide a critical warning in real time.

The waste compactor controller/monitor system allows for periodic real-time oil viscosity measurements of the hydraulic fluid to account for changes in such viscosity. The system adjusts the timing of the compactor stroke to permit more efficient operation and inhibit damage to the hydraulic ram and/or container during use.

A collection apparatus weight and fullness level reporting system includes: an inlet; a removable collection bin receiving material placed into the collection apparatus; a compacting mechanism including a ram body, wherein the ram body travels between a home position located above the collection bin to a maximum travel position located inside the collection bin, wherein during each compaction cycle the ram body travels along a variable length of the compaction path; a fullness-reporting module that determines the height of the material in the collection bin; and a controller that determines the length of the compaction path the ram body travels during each compaction cycle based on the input received from the fullness reporting module, wherein at the end of each compaction cycle in which the material height is below a maximum height, the ram body is brought to rest at a height below the home position.

The invention discloses a household kitchen waste disposal device. The device comprises a casing, a crushing assembly which is arranged in the casing and is used for crushing waste into preliminary residues, a dehydration assembly used for dehydrating the crushed waste to form dehydrated residues and waste liquids, a drying assembly used for drying the residues as well as a compression assembly used for compressing the residues; and the crushing assembly, the dehydration assembly, the drying assembly and the compression assembly are connected sequentially. With the household kitchen waste disposal device, the crushing assembly, the dehydration assembly, the drying assembly and the compression assembly are arranged, and crushing, dehydration, drying and compression operations can be performed on the waste sequentially, so that repeated pollution is no longer caused during centralized disposal of the waste, and the kitchen waste disposed by the disposal device is small in size, low in water content and convenient to transport and recycle.

A method for automatically shaping the load-bearing hollow brick includes such steps as preparing concrete, stirring, filling in mould, inserting core mould while vibrating, hydraulic pressing, and demoulding. Its apparatus is composed of electric power control box, control mechanism, motor, concrete preparing system, shaping system, feeding unit, and discharging unit.

An apparatus and method are provided to rapidly thaw and heat frozen bags of biological materials, such as plasma. The apparatus has a hollow bladder having a flexible wall that is placed in contact with the bag. A circulation system draws fluid from a reservoir and fills the bladder with the fluid. The circulation system also drains fluid from the bladder. A heater in the reservoir heats the fluid before the fluid enters the bladder. As heated fluid flows through the bladder, heat is transferred through the bladder wall to the plasma bag to thaw the biological material. The bladder wall expands against the plasma bag as the bladder fills with fluid, and contracts from the plasma bag as the bladder is drained. The expansion and contraction of the bladder wall agitates the plasma bag and biological material to accelerate the thawing process.

The present invention provides a linear motor device that can reduce a variation in thrust caused by a variation in attractive force. The linear motor device includes a linear motor 1 and a control section 30 that controls the linear motor 1. The linear motor 1 includes a magnet member 2 composed of permanent magnets having respective N poles and S poles alternately arranged in an axial direction, and a coil member 3 which is located orthogonally to the axial direction with respect to the magnet member 2 and through which the magnet member 2 is movable in the axial direction relative to the coil member 3. The control section 30 controls current conducted through the coil member 3 so that a moving one of the magnet member 2 and the coil member 3 reciprocates within a use range L corresponding to a part of a pitch p between the magnetic poles N and S in the magnet member 2.

The invention discloses a jack hydraulic press, which belongs to the technical field of presses, and comprises a machine frame comprised of an upper beam, a lower beam, first and second trailing arms which are connected between the upper beam and the lower beam and longitudinally parallel to each other, a work rest arranged at the first trailing arm and the second trailing arm and corresponding to the space between the upper beam and the lower beam, a jack body arranged on the outer side of the first trailing arm or the second trailing arm, and an under-thrust device arranged at the upper beam and connected with a hydraulic circuit of the jack body. The jack hydraulic press is characterized in that: the upper beam is in a square structure which is closed on four sides and hollow along the up-and-down direction, the inner walls of a pair of wall bodies along the length direction of the upper beam are fixedly provided with a guide rail respectively, two guide rails are parallel to each other, and the under-thrust device is slipperily arranged on the guide rails. The jack hydraulic press has the advantages of saving operational labor, achieving high adaptability and reducing the labor intensity of the operator.

A screw press which can ensure the positional precision of the ram when the rotation amount of the press motor does not directly translate into the position of the ram because there is other machinery, such as a decelerator and the like, present between the motor (servo motor) and the screw mechanism, has a construction in which a position detection sensor, which detects the position of the ram, is provided, and the position of the ram is controlled by the output from this sensor.

A pressure vessel fatigue test system belongs to pressure vessel test technical field, comprising oil circuit pressure device, pressurizer, weight relieving motion, and measuring and control system. The oil circuit pressure device, pressurizer, weight relieving motion consists of pump linked by pipeline and oil pump driven by electric machinery, solenoid valve, overflow valve, water cooled oil cooler, back oil filtration device, oil tank and pipelines linked with them, the measuring and control system is consisted of electric contact pressure gauge, temperature sensor, pressure sensor, computer, controller for measurement and control temperature of pressure vessel, hydraulic oil, one-way throttle valve and high pressure filtration device are fitted with pipeline linked with solenoid valve and the container, stabilization tank is fitted with oil return pipe linked to solenoid valve and oil tank. The invention is suitable for fatigue test of pressure vessel containing impurity within and fairly high pressure needed and reconstruction to present pressure vessel fatigue test device.

The garbage processing recycler includes a series of top compartments aligned above a series of bottom compartments. A hydraulic cylinder is concentrically aligned with the top compartments to provide a compressor function attributed with opposing compressor plates that can descend into opposing top compartments to compress recyclable materials contained therein. After compression, a support base is removed and the recyclables are shredded upon passing through a screen via the same hydraulic cylinder and compressor plate, and thereafter the compressed and shredded recyclable material descends below to the respective bottom compartment.

The invention discloses an electric screw press, belongs to forging forming equipment, solves the problem that a slider is long and has a small travel in the conventional electric screw press, and is used for producing clay bricks, refractory bricks, common die forgings and precision die forgings. The electric screw press comprises a press body, a main gear, a nut, a screw, a slider body, an ejection cylinder, a left motor, a right motor, a front brake cylinder and a rear brake cylinder; and a left piston cylinder and a right piston cylinder which are bilaterally symmetrical are fixed in the press body. The nut and the main gear are tightened and rotate under the drive of the left and right motors; and the screw and the slider body are connected into a whole and driven by the nut to linearly move vertically, the screw can extend out of the upper end face of the main gear, the length of the slider body is consistent with or is even less than the height of a slider of a friction screw press with the same nominal pressure and body dimensions, the travel of the slider body can be increased by more than 100mm, the hammering energy of the slider body is correspondingly increased, and the application range can be widened obviously.

The present invention relates to a pre-stressed tie rod and method of manufacture. The pre-stressed tie rod can be used on injection molding machines to increase the length of the tie rod and movement of the platen, wherein the tie rods are loaded to restrict mold separation. The pre-stressed tie rods could also be used with other types of presses.

In a press comprising a frame structure, a plunger movably supported by the frame structure, at least one servomotor for driving the plunger and an elbow lever drive connected to the servomotor and the plunger for actuating the plunger, at least one auxiliary drive is connected to the plunger for operating the plunger in stroke ranges where the elbow lever drive is ineffective for controllably moving the plunger.

The square baler comprises a pick-up a pre-compression chamber, a baling chamber, a loading mechanism for transferring each slice of crop from the pre-compression chamber into the baling chamber and a plunger. The baler further can include at least one non-contact sensor that is provided in at least one of the walls of the pre-compression chamber and/or of the input zone of the baling chamber to produce an output signal indicative of the density of the crop.

A slide drive apparatus and a slide drive method for a pressing machine capable of enhancing positioning precision at the time of adjustment of die height, and responding to pressing work at high stroke per minute. For this purpose, the drive apparatus includes a slide (4), a servo motor (21) for controlling slide motion, a mechanical power transmission mechanism (3, 5, 6) for converting rotational power of the servo motor for controlling slide motion into reciprocating motion of the slide, and a servo motor (31) for adjusting die height, which performs die height adjustment of the slide by a position control.

The invention discloses automatic press forming equipment for a small tea cake and a press forming technological process thereof. The equipment, which is used in combination with an oil press (48), comprises a press forming die, a steaming processing component and a material taking component, wherein the press forming die comprises an upper die, a lower die and a charging tray component, and a die hole (40) is formed in a die cavity plate (4) of the lower die at the position corresponding to an upper column head (7) on the upper die; a lower column head (10) is arranged on a movable board (8) of the lower die at the position corresponding to the die hole (40). The technological process comprises the following steps: mounting the tea leaf press forming equipment, filling tea blank raw materials, steaming the tea blank, pressing tea cakes, pressure maintaining, material taking and the like, wherein the steaming, pressing and material taking processes are automatic. Therefore, the production efficiency is high and the labor intensity is low.

The invention relates to a multifunctional hydraulic machine which comprises a vertical column, a side pressing sliding block and a side pressing cylinder, wherein the side pressing sliding block is assembled on the vertical column in a guide sliding mode, and the side pressing cylinder drives the side pressing sliding block to vertically move along the vertical column. An upper transverse beam is fixedly arranged on the hydraulic machine and above the side pressing sliding block. The side pressing cylinder comprises a side pressing cylinder body fixedly arranged on the upper transverse beam and a side pressing cylinder piston fixedly arranged on the side pressing sliding block. A main cylinder is arranged on the upper transverse beam and comprises a main cylinder body fixedly arranged the upper transverse beam and a main cylinder piston for installing a corresponding upper pressing head. The side pressing sliding block is provided with an upper through hole which penetrates through the upper end face and the lower end face of the side pressing sliding block to enable the upper pressing head installed on the main cylinder piston to penetrate through. The multifunctional hydraulic machine solves the problem that energy waste is caused due to the fact that the side pressing cylinder exerts reacting force on the main cylinder when the existing hydraulic machine performs forming operation.

A waste containment apparatus fits within, the same physical envelope as a typical 6 cubic yard bin. The apparatus has lifting fittings to permit conventional lifting and dumping by a garbage truck. The bin has, internally, a compactor including a motor and a compaction head driven by the motor. The unit has a single point power connection. The working mechanical assemblies and the electrical control unit are mounted well above the inlet chute. The inlet chute is a front or rear access chute, such that the lifting height of the inlet chute is significantly lower than the top opening level of the bin generally. The unit has an internal refuse flow accumulation path, and internal members such as deflector plates oriented to urge the refuse to fill and compact more evenly than otherwise. The unit may have a liquid drain and collection sump. The sump may have a sump heater.

A press-fit assembly apparatus for pressing to join two frames includes a base, a moving mechanism, and a rolling-and-pressing device. The base is used for supporting the two frame stacked thereon. The moving mechanism includes a movable mount. The rolling-and-pressing device includes a fixed mount and a roller. The fixed mount is fixed on the movable mount. The roller is connected to the fixed mount. During a movement of the movable mount in a direction relative to the base, the roller can keep moving apart from the base substantially by a distance. Thereby the roller can touch one of the frames corresponding to two engagement portions of the two frames and roll and press the one frame for achieve the purpose of joining the two frames. Therefore, the invention improves the yield of the joining process for the two frames by the above rolling and pressing.

An oil cylinder and connecting rod drive system for a compounded transmission hydraulic machine comprises a symmetric connecting rod force amplifier and a hydraulic machine oil cylinder. The symmetric connecting rod force amplifier is composed of four connecting rod mechanisms in two symmetric groups on the left side and the right side. Each connecting rod mechanism is composed of a toggle rod, a toggle pin, a force exerting rod, a force exerting pin, a drive rod, a drive pin and a hinge pin, wherein the toggle rod is connected with an upper cross beam of the hydraulic machine through the toggle pin, the drive rod is connected with a small slide rest of the hydraulic machine through the drive pin, the force exerting rod is connected with a slide block of the hydraulic machine through the force exerting pin, the toggle rod, the drive rod and the force exerting rod are connected through the hinge pin, the slide block of the hydraulic machine is driven by the hydraulic machine oil cylinder, and reciprocating movement of the hydraulic machine is achieved. The oil cylinder and connecting rod drive system for the compounded transmission hydraulic machine has the advantages that the drive system is compact in structure and high in efficiency, the radial component force is balanced by adoption of the symmetric connecting rod mechanisms and connecting rod small slide rest guide pillars, an eccentric load in the operating process of the hydraulic machine can be effectively overcome, the high precision of the slide block is maintained, and the installed capacity is decreased.

A roller press includes a housing to which upper and lower rollers are coupled. A crank handle is coupled to at least one of the upper and lower rollers. Rotation of the crank handle causes rotation of the rollers. Two doors that provide die support surfaces are coupled to the housing and are moveable between a closed position and an open position. A suction member is coupled to the bottom of the housing. The suction member is actuated by movement of the doors.

A multi-linkage press contains a power transmission mechanism includes a rotary shaft driven by a power source; at least two eccentric wheel mechanisms including at least two eccentric wheels, each of the eccentric wheels including a crank sliding set to drive a first sliding block connected with a connecting rod; at least two multi-link mechanisms axially connected on the connecting rod and axially connected with two leveraged linkage assemblies; a sliding assembly including a slidable body with at least four longitudinal plungers, the four longitudinal plungers being axially connected with the two leveraged linkage assemblies to drive a slidable body to operate vertically, and between two of the four longitudinal plungers being connected a first connecting pillar, between another two of the four longitudinal plungers being connected a second connecting pillar, between the first connecting pillar and the second connecting pillar being coupled an axial shank.

A baler for making large parallelepiped bales includes a plunger drive and plunger arrangement wherein one or more load pins are located offset vertically from a centerline of a connecting rod or a mid-plane of the baling chamber. Such an arrangement permits load pins having the same range of measuring capacity to be used with balers of different sizes, with the amount of offset being changed for balers of different sizes. In one arrangement, load pins are offset vertically from the mid-plane of the plunger a distance sufficient to make it possible to measure differences in top-to-bottom reaction forces imposed on the plunger.