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98 results about "Linear machine" patented technology

Cylinder type flux-reversal linear machine

The present invention relates to a cylinder type flux-reversal linear machine. The invention relates to the field of electric machine and settles the problems of low efficiency, large eddy current loss, complex technique and effect to control precision and dynamic characteristic in prior linear machine. The armature core of phase unit according to the nveition is an annular core which is uniformly installed with 2n teeth on the inner circumstance, wherein n is a natural number. The armature winding of phase unit is a concentrated winding. Each coil is corresponding winded on each tooth of armature core of phase unit. The winding directions of coils on adjacent teeth are opposite. All coils on the teeth of armature core of same phase unit are connected in series to a same phase unit armature winding. The phase unit armature windings are connected in series or in parallel to each phase armature winding. A permanent magnet is adhibited on the teeth of armature core of phase unit. The phase unit armature core center distance taut between two adjacent phase armature units in axial direction and the tooth pitch taup of secondary teeth along the axial direction satisfy a relationship: taut=ktaup+ / -(1 / m)taup, wherein k and m are natural numbers, and m is a phase number and is larger than or equal to 3. The cylinder type flux-reversal linear machine not only can be used as a motor, but also can be used as a generator.
Owner:HARBIN INST OF TECH

Cylinder type flux-reversal linear machine

The present invention relates to a cylinder type flux-reversal linear machine. The invention relates to the field of electric machine and settles the problems of low efficiency, large eddy current loss, complex technique and effect to control precision and dynamic characteristic in prior linear machine. The armature core of phase unit according to the invention is an annular core which is uniformly installed with 2n teeth on the inner circumstance, wherein n is a natural number. The armature winding of phase unit is a concentrated winding. Each coil is corresponding winded on each tooth of armature core of phase unit. The winding directions of coils on adjacent teeth are opposite. All coils on the teeth of armature core of same phase unit are connected in series to a same phase unit armature winding. The phase unit armature windings are connected in series or in parallel to each phase armature winding. A permanent magnet is adhibited on the teeth of armature core of phase unit. The phase unit armature core center distance taut between two adjacent phase armature units in axial direction and the tooth pitch taup of secondary teeth along the axial direction satisfy a relationship: taut=ktaup+ / -(1 / m)taup, wherein k and m are natural numbers, and m is a phase number and is larger than or equal to 3. The cylinder type flux-reversal linear machine not only can be used as a motor, but also can be used as a generator.
Owner:HARBIN INST OF TECH

Transformer pipe penetrating, winding and rubber coating all-in-one machine

PendingCN110875130AIncrease productivitySimplify the path of movementCoils manufactureWire rodTransformer
The invention belongs to the transformer production equipment technology field, and especially relates to a transformer pipe penetrating, winding and rubber coating all-in-one machine. The machine comprises a machine base, a driving device, a rotating main shaft displacement device, a wire rod pipe penetrating conveying device, a wire head and wire tail pin winding guide pin device and a double-side rubber coating device. The machine base is provided with a portal frame. The driving device comprises a first guide rail, a first driving mechanism, a moving mechanism, a first linear mechanism anda second linear mechanism, the first guide rail is arranged on the portal frame, the moving mechanism is connected with the first guide rail, the first driving mechanism drives the moving mechanism,the first linear mechanism is arranged on the machine base, and the second linear mechanism is arranged on the first linear mechanism. The rotating main shaft displacement device is arranged on the second linear mechanism. The wire rod pipe penetrating conveying device is arranged on the portal frame, and the wire head and wire tail pin winding guide pin device comprises a wire head pin winding mechanism and a wire tail pin winding mechanism. The double-side rubber coating device is arranged on the machine base. The machine has the advantages that a component moving stroke can be reasonably distributed, and production efficiency of a transformer is improved.
Owner:东莞市微米精密自动化设备有限公司

Integrated packaging device for surface-mounted diode

The invention discloses an integrated packaging device for a surface-mounted diode. The device comprises a conveying mechanism; a glue groove which is arranged on one side of the conveying mechanism in the length direction; a chip bearing mechanism which comprises a first bracket and two groups of first four-way limiting plates formed on the first bracket, wherein a chip template is arranged between each group of first four-way limiting plates; a first stroke mechanism which is located at one end of the glue groove and comprises a first lifting mechanism, a first horizontal linear mechanism and a core adhering plate; a jump piece bearing mechanism which comprises a second bracket and two groups of second four-way limiting plates formed on the second bracket, wherein a jump piece template is arranged between each group of second four-way limiting plates; and a second stroke mechanism which comprises a second lifting mechanism, a second horizontal linear mechanism and a pneumatic suctioncup. By means of a core feeding mechanism, a jump piece pasting mechanism and the like which are arranged along a lead frame conveying line, the stepping type continuous conveying of lead frames is achieved, gluing, core pasting and core feeding can be efficiently completed, jump piece pasting can be completed in the conveying process, and the process efficiency is greatly improved.
Owner:四川晶辉半导体有限公司

Device for calibrating temperature field of verification furnace automatically using standard thermocouples

The invention relates to a device for calibrating the temperature field of a verification furnace automatically using standard thermocouples. The device includes a base, a fixing mechanism used for fixing standard thermocouples, a linear mechanism capable of fixing and driving a mobile thermocouple arranged in parallel with a standard thermocouple to move along the length direction of the standard thermocouple, a rotary mechanism capable of fixing and driving a rotary thermocouple arranged in parallel with a standard thermocouple to rotate about the standard thermocouple with the axis of the standard thermocouple as the center, and a controller. During use, a stepper motor is controlled through a main switch and a command button or software on a touch screen, the linear mechanism and the rotary mechanism are driven to move, and the standard thermocouple for linear motion and the standard thermocouple for rotation are driven to move. The thermal electromotive force measured is transmitted to the controller, the temperature at a measuring point in a furnace is calculated, and the temperature and the temperature field are displayed on the touch screen until the end of test, calibration or verification.
Owner:北京中航瑞科科技有限公司

Roller conveyer with object reversing function

The invention discloses a roller conveyer with an object reversing function. The roller conveyer comprises a reversing machine frame and a linear machine frame. First installing grooves are formed inthe reversing machine frame. First electric telescopic rods are arranged at the inner top ends of the first installing grooves. Meanwhile, first universal wheels are arranged at the lower ends of thefirst electric telescopic rods. The linear machine frame is arranged on the right side of the reversing machine frame. The inner side wall of the linear machine frame is rotationally connected with second power rollers. Third gears are arranged on the second power rollers. The third gear on the right side is connected with a gear shaft through a fourth chain. A third motor is arranged on the reversing machine frame. By means of the roller conveyer with the object reversing function, by arranging a first motor, a first rotating shaft, a rotating table and second universal wheels, the rotating table is driven by the first rotating shaft to adjust the direction under the action of the first motor according to actual situations, so that objects can be conveniently conveyed in multiple directions; and the second universal wheels slide in cooperation with an annular slide rail, so that the effect of stably supporting the rotating table is realized.
Owner:睿丰自动化科技海门有限公司

Displacement detection wheel, robot chassis and movable robot

The invention discloses a displacement detection wheel, a robot chassis and a movable robot. The displacement detection wheel comprises a fixed support, an axle and a displacement wheel rotationally installed on the axle. The end face of the axle is in rigid connection with a magnetoelectric encoder. The displacement wheel is in rigid connection with a strong magnet arranged face to face with themagnetoelectric encoder at an interval. The axle is connected with the fixed support through a Hawken linear mechanism. A torsional spring used for pushing the displacement wheel to be tightly attached to the ground is connected between the Hawken linear mechanism and the fixed support. According to the displacement detection wheel, the displacement wheel is free of transverse displacement duringupward movement through the Hawken linear mechanism, and the displacement detection wheel can be installed conveniently on the premise that an existing regional space is not changed; force is applieddownwards to the displacement wheel through the torsional spring, the displacement wheel is tightly attached to the ground, and then slipping of the displacement wheel can be effectively avoided; andthe strong magnet and the magnetoelectric encoder are installed on the displacement wheel and the axle, the displacement of the robot is measured by the magnetoelectric encoder, and the cost is low.
Owner:湖南合控智能技术有限公司

Non-contact type cast ingot laser marking device, work method and analogy method

A non-contact type cast ingot laser marking device comprises a three-directional feed system, linear mechanisms, a swing table (7), a laser marking unit, a three-dimensional line laser scanner (10) and an overall machine base (12). The three-directional feed system comprises an X-direction feed system, a Y-direction feed system and a Z-direction feed system. The linear mechanisms correspondingly comprise an X-axis actuating mechanism (1), a Y-axis actuating mechanism (3) and a Z-axis actuating mechanism (2). The three-way feed system drives the corresponding linear mechanisms. The X-directionfeed system, the Z-direction feed system, the X-axis actuating and the Z-axis actuating mechanism are arranged on the overall machine base, and the Y-direction feed system and the Y-axis actuating mechanism are perpendicular to the overall machine base. The swing table is connected with the Y-axis actuating mechanism and swings in the up-down and left-right directions. The laser marking unit comprises a laser marking head (8) and a laser marking head support (9). The laser marking head is fixed to the swing table by the laser marking head support, and the three-dimensional line laser scanner is fixed to the support. The invention also provides a work method and an analogy method.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Fretting wear test device based on ultrasonic technology

The invention discloses a fretting wear test device based on an ultrasonic technology. The fretting wear test device is composed of an ultrasonic generator, a servo electric cylinder, a force sensor,a loading device, a driving device and a data acquisition device; a loading head is pushed by the servo electric cylinder to make contact with fretting pads to apply positive pressure to a test part;and the force sensor acquires a positive signal, sets a computer data processing device to form closed loop feedback control with the acquired positive pressure signal to keep a load applied by the loading device constant. The fretting wear test device is simple in structure and convenient to operate, the various parts are fixed and supported by a bottom plate and a fixing platform, the stabilityis good, and the advantages of being high in reliability and precision are achieved; and a transducer is adopted to convert ultrasonic signals into reciprocating linear mechanical motion of a vibrating head, vibration displacement is amplified by an amplifier to serve as an excitation source for forming fretting wear between a friction pair, the vibration frequency is high, the amplitude is adjustable, the test time can be shortened, and the test cost can be reduced.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Wafer feeding device and wafer film pasting device

The invention discloses a wafer feeding device and a wafer film pasting device. The wafer feeding device comprises a grabbing mechanism, a switching mechanism and a bearing mechanism, wherein the grabbing mechanism comprises a first vertical air cylinder, a pneumatic suction cup arranged at the movable end of the first vertical air cylinder and a zigzag-shaped frame, the fixed end of the first vertical air cylinder is connected to one end of the zigzag-shaped frame, the other end of the zigzag-shaped frame is connected with a rotating shaft, the rotating shaft is connected with an output shaft of a rotating motor, the rotating shaft is rotationally matched with the pair of supporting plates, the supporting plates and the rotating motor are arranged on a sliding base, and the sliding base is arranged on a first linear mechanism; the switching mechanism comprises a second linear mechanism arranged above the grabbing mechanism, a distance adjusting mechanism arranged at the movable end of the second linear mechanism, a pair of second vertical air cylinders connected with the distance adjusting mechanism, and a switching frame connected to the movable ends of the second vertical air cylinders; and the bearing mechanism comprises a bearing table arranged on the base through a supporting column and is used for bearing a wafer. The wafer film pasting device comprises the wafer feeding device, a film pasting assembly and the like. Automatic wafer feeding and automatic film pasting are achieved, the labor intensity is reduced, automatic operation is achieved, and the efficiency is high.
Owner:四川明泰微电子有限公司

Method for carrying out evaporative pattern casting on dry cylinder liner machine body and model thereof

The invention discloses a method for carrying out evaporative pattern casting on a dry cylinder liner machine body. The method particularly comprises the following steps that a foaming material is adopted to manufacture a lost foam pattern of the dry cylinder liner machine body; pre-coated sand is adopted to manufacture a pre-coated sand core of a water sleeve portion of the dry cylinder linear machine body, and a plurality of positioning core heads are arranged on the pre-coated sand core; the pre-coated sand core with the positioning core heads is loaded into the position, corresponding to the water sleeve portion, of the lost foam pattern; and the lost foam patter is stuck together. The method further discloses an evaporative pattern casting model, manufactured through the method, of the dry cylinder liner machine body. The evaporative pattern casting model comprises a lost foam pattern body, and the lost foam pattern body and the dry cylinder liner machine body are the same in structure; the water sleeve portion of the lost foam pattern body is provided with the pre-coated sand core; the positioning core heads are arranged on the pre-coated sand core, and are located on side face auxiliary holes in the water sleeve portion; and one end of each positioning core head is connected to the pre-coated sand core, and the other end of each positioning core head stretches out of the corresponding side face auxiliary hole. The pre-coated sand core technology and the positioning core head technology are combined for solving the problems that molten metal leaks, and the sand core is prone to shifting.
Owner:QINGDAO DAYUN MACHINERY

A chip diode integrated packaging device

An integrated packaging device for patch diodes, comprising: a conveying mechanism; a glue tank disposed on one side of the conveying mechanism in the length direction; a chip carrying mechanism comprising a first bracket and two sets of first four-way limiters formed on the first bracket A chip template is installed between each group of first four-way limit plates; the first stroke mechanism is located at one end of the glue tank, including the first lifting mechanism, the first horizontal linear mechanism, and the sticky core board; the jumper carrying mechanism , comprising a second bracket, two sets of second four-way limiting plates formed on the second bracket, a jumper template is installed between each group of second four-way limiting plates; the second stroke mechanism includes a second lifting Mechanism, second horizontal linear mechanism, pneumatic suction cup. Through the setting of the core and jumping film mechanism along the lead frame conveying line, not only the step-by-step continuous conveying of the lead frame can be realized, but also the gluing, core sticking and core loading can be completed efficiently, and then the sticking and jumping can be completed during the transportation sheet, which greatly improves the process efficiency.
Owner:四川晶辉半导体有限公司
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