63results about How to "Stable contact pressure" patented technology

The invention relates to a narrow amplitude satellite type flexographic plate printing machine which is characterized in that linear guide rails are adopted for ink transfer motion of an anilox roller and movement of a printing plate roller drum, the operation is lightweight and the printing precision is high; by setting an operation mechanism which can read data of a dial indicator for indicating the position of the printing plate roller drum, the technical difficulty in operation is reduced; the anilox roller is connected with a motor through a clutch, thereby avoiding the frequent cleaning problem in a workshop of the anilox roller; by using a back bucket type double-doctor ink supply device, the structure of an ink supply mechanism is greatly simplified, and the cost is greatly reduced; a central stamping roller drum is equipped with a water circulation cooling constant temperature system, thereby ensuring the printing quality; an ultraviolet drying device is provided with a power conversion energy-saving control circuit, thereby saving electrical energy; and an infrared drying device, a printing film covering device and a printing synchronous circular die-cutting device are arranged on the back side of the ultraviolet drying device after the last color of a printing group, thereby further saving the electrical energy, realizing synchronous multiple functions in one machine and reducing the cost. The narrow amplitude satellite type flexographic plate printing machine is applicable to water-based ink printing, and can avoid polluting commodities and causing harm to health of people, and is environment-friendly.

A female terminal fitting has a rectangular tubular body (12) with opposed first and second walls (16, 17) and an insertion opening (15) for receiving a tab (11). An elastic contact piece (21) is inside the body (12) and extends obliquely from a support (27) on the second wall (17) of the body (12) towards both the first wall (16) and the insertion opening (15). The elastic contact piece (21) then bends back towards the second wall (17) to define an apex (23). A projection (30) projects toward the first wall (16) from a location on the elastic contact piece (21) between the support (27) and the apex (23). The elastic contact piece (21) deforms flexibly about the support (27) when the tab (11) is inserted into the body (12), thus sandwiching the tab (11) between a contact (31) of the projection (30) and the first wall (16).

The invention discloses a seven-axis linkage numerical control abrasive belt grinding and polishing machine tool. The seven-axis linkage numerical control abrasive belt grinding and polishing machine tool mainly solves the problems that according to a vertical six-axis linkage abrasive belt grinding and polishing method in the prior art, asymmetrical margins on a curved face can not be stably removed and excessive cutting or insufficient cutting is easy to occur. The seven-axis linkage numerical control abrasive belt grinding and polishing machine tool comprises a rotation clamp, a top tip, a horizontal machine tool body, a pillar, a Y-direction motion device, a Z-direction motion device, an X-direction motion device, a B-direction rotation drive device and a grinding and polishing device, wherein the rotation clamp and the top tip are used for fixing a blade part. The Y-direction motion device drives the pillar to move linearly in the Y direction, the Z-direction motion device drives the pillar to move linearly in the Z direction and the X-direction motion device is used for fixing the top tip and driving the top tip to move linearly in the X direction. The B-direction rotation drive device is used for fixing the rotation clamp and driving the rotation clamp to achieve 360-degree rotation motion. The grinding and polishing device is installed on the horizontal machine tool body and on the position corresponding to the pillar. By means of the technical scheme, the objects of convenient construction, the high performance cost ratio and high precision are achieved and high utility value and popularization value are achieved.

The invention discloses a pressure regulating type smart watch for measuring pulse condition. The pressure regulating type smart watch comprises a watch band assembly and a watch movement assembly, wherein the watch band assembly comprises a raised contact surface and a pulse sensor; the watch movement assembly comprises a watch band scroll, a micro stepping motor, a watch gear, a stepping motor driving unit, an A/D (Analog/Digital) conversion unit, a CPU (Central Processing Unit), a wireless interface unit, a storage unit and a touch screen; the watch band is used for adjusting the pressure born by the pulse sensor under the action of the micro stepping motor; the pulse sensor is used for measuring pulse condition characteristic parameters. The pressure regulating type smart watch has the advantages that the measurement is easily realized; through logic operation of the CPU unit, pulse condition indexes are obtained, and health indicators comprising health conditions of a digestion system, a blood circulation system and an endocrine system are indirectly reckoned. The invention also discloses a pressure regulating type method for measuring the pulse condition. According to the pressure regulating type smart watch and the pressure regulating type method disclosed by the invention, pulse condition data can be stored for a long term; wireless communication and control over the smart watch can be realized; the pulse conditions indexes and the health indicators are displayed on the touch screen, so the health states of human bodies are conveniently and timely grasped.

The invention relates to an operating mechanism of a small-sized breaker being capable of freely releasing. The mechanism of the invention mainly adopts the structure that a handle, a lever, a moving contact, a locking component, a main shaft and a jump component are arranged in a shell. The mechanism of the invention is characterized in that the moving contact is articulated with the lever and the locking component through the main shaft; the moving contact is articulated with the lever and the locking component through the main shaft; one end of the contact pressure spring is connected with the moving contact, and the other end is connected with the lever; one end of the locking spring is connected with the locking component, and the other end is connected with the lever; one end of an energy storage spring is connected with the lever, and the other end is connected with a shaft that is fixed with the shell. The mechanism of the invention has simple, compact and reasonable structure, leads to more stable contact pressure between the moving contact and the static contact, only requires general process accuracy, reduces cost and is a small-sized operating device of a breaker which can freely release with more reasonable layout of the contact pressure spring and the energy storage spring.

The invention discloses a polishing device capable of controlling the horizontal contact pressure and relates to a polishing device. The polishing device solves the problems that in the machining process, due to the fact that the contact pressure and the contact area range change due to geometrical characteristic changes of the surface of a workpiece in the machining process of an existing polishing tool capable of controlling contact pressure, the local shape correcting capability and face shape precision of the polishing tool are affected. A linear sliding platform base and a motor magnetic steel connecting piece are sequentially installed on the upper end face of a polishing device base in the length direction of the polishing device base. A linear sliding platform carriage is installed on the upper end face of the linear sliding platform base in a sliding mode in the length direction of the linear sliding platform base. A main shaft installation base is installed on the upper end face of the linear sliding platform carriage. A polishing main shaft is installed on the main shaft installation base in the length direction of the linear sliding platform base. One end of voice coil motor magnetic steel is installed on the motor magnetic steel connecting piece, and a voice coil motor coil connecting piece is installed on the upper end face of the linear sliding platform carriage. The polishing device is used for precision optical machining.

The invention discloses a pantograph with stable contact pressure. The pantograph comprises a bottom plate, a hydraulic thruster, a rubber spring I, a mounting seat I, a lower arm, a rubber spring II,a mounting seat II, a lower guide rod, a mounting seat III, an upper arm, an upper guide rod, a mounting seat IV, a pantograph head framework, a steel spring, a pantograph head, a carbon sliding plate, a light source mounting hole and a photosensitive plate. The bottom plate, the rubber spring I, the rubber spring II, the mounting seat I, the mounting seat II and the mounting seat III form a bottom device; the bottom plate, the lower arm, the lower guide rod and the upper arm form a lower hinge four-rod mechanism; the lower arm, the upper arm, the upper guide rod and the pantograph head framework form an upper hinge four-rod mechanism; and the pantograph head framework, the steel spring, the pantograph head, the carbon sliding plate and the photosensitive plate form a pantograph head device. The hinge four-rod mechanism principle, the hinge sliding block mechanism principle and the lever principle are applied, the structure is simple, the action is flexible, the pantograph-catenary contact pressure can be adjusted within a certain threshold value, the pantograph-catenary contact state can be better improved, and the current collection quality is improved.

The invention discloses an automatic compensation device of a polishing machine. The automatic compensation device is a motor lead screw type compensation device or balancing weight type compensationdevice. The automatic compensation device of the polishing machine can ensure that contact pressure between a workpiece clamp and a polished workpiece is stable, the surface polishing degree of the polished workpiece is consistent, and the workpiece polishing efficiency is improved.

A temperature detection module includes a thermistor configured to detect the temperature of an electric cell, a thermistor electrical wire drawn from the thermistor, a thermistor holding portion configured to hold the thermistor movably in a direction in which the thermistor comes into contact with and separates from the electric cell in a form in which the thermistor is biased to move toward the electric cell, and an electrical wire routing path in which the thermistor electrical wire is routed in one direction. The electrical wire routing path is provided with a holding means for holding a midpoint of the thermistor electrical wire that is drawn from the thermistor and routed along the electrical wire routing path in a form in which a drawing end of the thermistor electrical wire is provided with an excess length portion having a predetermined length in order to allow movement of the thermistor.

An electrical contact member for electrically connecting to an external contact which is electrically connected with an electroconductive cylindrical member having a photosensitive layer on an outer surface thereof and which is provided outside the cylindrical member, the electrical contact member comprising a first contact portion contacted with the cylindrical member; a second contact portion contacted with the external contact; a first extension connected electrically with the first contact portion and extending in a diametrical direction across an axis of the cylindrical member; and a second extension electrically connecting with the first extension and extending the diametrical direction toward the axis, the second extension being provided with the second contact portion, wherein when second contact portion is contacted by the external contact, second contact portion displaces along the axis.

The invention relates to a direct-current rotary friction nano power generation device with a gear meshing structure, which comprises a first gear assembly, a second gear assembly and a third gear assembly, and is characterized in that a first induction electrode is arranged on gear teeth of the first gear assembly, a first friction layer is arranged outside the first induction electrode, a secondfriction layer is arranged on gear teeth of the second gear assembly, a third induction electrode is arranged on gear teeth of the third gear assembly, and a third friction layer is arranged outsidethe third induction electrode; the second gear assembly rotates under the driving of a driving mechanism, so that contact friction is generated between the first friction layer and the second frictionlayer and between the second friction layer and the third friction layer, different charges are accumulated on the surfaces of different gear assemblies, a potential difference is generated between the first induction electrode of the first gear assembly and the third induction electrode of the third gear assembly, electrons are driven to flow in the same direction, and thus a direct current signal is output outwards. The direct-current rotary friction nano power generation device can output direct current without a rectifying circuit.

The drum(4) is formed in a hollow cylindrical shape, a plurality of inner support rollers 13, 14 and 15 for supporting the drum 4 from the inside are arranged in the hollow inner part. Among thee rollers, one inner support roller 13 is provided in the vicinity of the magnetic head 7, and the inner support roller 13 is regularly energized toward the magnetic head 7, and a roller 16 constituting part of a carrying means 5 is arranged in a position opposed thereto through the drum 4 so as to hold the drum 4 between the roller 16 and a movable carrying means. The information medium recording and reproducing device comprises a medium carrying passage 3 constituted by a carrying means 5 composed of the drum 4 and a plurality of carrying belts arranged around it, and a magnetic head 7 arranged in a position opposed to a magnetic recording part of a magnetic information medium.

The invention provides a preparation method of a CuCrZr alloy material self-operated contact finger product. The preparation method comprises the following steps: S1, taking raw materials including achromium block, a copper-zirconium 40 intermediate alloy, rare earth and an electrolytic copper plate for later use; S2, smelting the raw materials in a vacuum medium-frequency induction furnace, andobtaining a uniform alloy solution; S3, refining the alloy solution obtained in the S2, degassed and deoxidized and then introducing the solution into a mold for cooling crystallization, and obtainingan alloy ingot after demolding; S4, the alloy ingot obtained in S3 being subjected to extrusion, solution treatment, multi-pass drawing and aging treatment, and obtaining a treated profile; S5, conducting blanking, punching, bending and groove milling on the profile obtained in the S4, and obtaining a contact finger; and S6, performing surface deburring and overall shape correction on the contactfinger obtained in the step S5, and plating a nano-silver layer on the electric contact surface of the contact finger to obtain a self-operated contact finger product with the electric conductivity of greater than 85% IACS, the hardness HB of greater than 155 and the tensile strength of greater than 480MPa.

An image forming apparatus includes a case, a photosensitive drum, a developing cartridge and a resilient member. The photosensitive drum forms a toner image. The developing cartridge, movably disposed within the case, includes a developing tank and a developing roller. The developing roller, mounted on the developing tank and positioned opposite the photosensitive drum, transfers toners to the photosensitive drum. The resilient member, disposed between the developing tank and the case, provides a restoring force for counteracting a weight of the developing tank and urging the developing roller towards the photosensitive drum.

The invention discloses an electric polishing block base capable of changing the grinding stroke. The electric polishing block base comprises a fixed seat and a reciprocating seat, a reciprocating cavity with an upward opening is formed in the fixed seat, and the reciprocating seat is slidably connected in the reciprocating cavity. A positioning mechanism and a power supporting mechanism are arranged in the fixed seat, the positioning mechanism is responsible for limiting movement of the reciprocating seat and resetting the reciprocating seat, the power supporting mechanism is used for providing power, and a transmission chain mechanism is mounted on the power supporting mechanism. According to the technical scheme, the electric polishing block base capable of being provided with a polishing block, driving the polishing block to move back and forth to grind a workpiece and freely adjusting the back-and-forth movement range within a range is provided. According to the electric polishing block base, the surface of the workpiece is ground through the polishing block mounted on the electric polishing block base, based on the performance characteristics of the polishing block, the polishing process of the electric polishing block base is quite gentle, and the surface of the workpiece is not prone to being damaged; and the electric polishing block base is simple in structure, relatively low in manufacturing cost, simple in principle and convenient to manufacture and maintain.

The invention discloses a secondary protection temperature controller, and relates to the field of design technologies of temperature sensors and controllers. The secondary protection temperature controller comprises a plastic pedestal, wherein the plastic pedestal is provided with a sealing cover buckle thereon, and the internal part of the plastic pedestal is provided with a spring piece, a bimetallic strip, a guide pillar and a plug plate set; one end of the spring piece is connected with the plastic pedestal through a first rivet, and the lower surface of the other end of the spring piece is provided with a moving contact; the lug plate set comprises a first lug plate, a connecting sheet and a second lug plate; the first plug plate is connected to the plastic pedestal through a first rivet and a second rivet; the connecting sheet is arranged on the plastic pedestal below the spring piece through a third rivet, and a static contact matched with the moving contact is arranged above the third rivet; and the plastic pedestal is further internally provided with a fuse wire. The secondary protection temperature controller disclosed by the invention is simple in structure and easy to realize, and a secondary protection function is realized on a condition that the secondary protection temperature controller has functions of products of the same kind, so that the product safety and the product reliability are substantially improved.