631results about How to "Improve the pressing effect" patented technology

The invention discloses a pressing module for testing drawing force of a keycap and a test machine for the drawing force of the keycap. The pressing module comprises a pressing board, a pressing board cylinder, and a pressing board driver, which are connected in sequence from bottom to top, wherein the pressing board is used for pressing a keyboard; the pressing board cylinder is used for driving the pressing board to move up and down in a vertical direction; and the pressing board driver is used for driving the pressing board cylinder and the pressing board together to move in a Y-axial direction in a keyboard plane. The test machine for the drawing force of the keycap comprises: a keyboard placing device for placing and inputting a to-be-measured keyboard; a pressing module for testing drawing force of the keycap for pressing the keyboard, a drawing force measuring head module for measuring the drawing force of the pressed keycap in the keyboard; a telescoping module for hanging the measuring head module and performing interval adjustment; a substrate for fixing the telescoping module; and a driving device for driving the substrate to move along the X-axial, Y-axial, and Z-axial directions. The test machine is high in detection rate, low in misjudgement rate, good in versatility, and low in detection cost, and doesn't generate damage to a good keycap.

The invention discloses a head massager and the helmet thereof, comprising a helmet, a massager and an adjusting device which are arranged on the helmet; the helmet is provided with a front shell and a rear shell which can move relative to the front shell; the rear shell is provided with a shell cavity; both ends of the front shell are inserted and matched with both ends of the rear shell; the adjusting device comprises a knob which can be rotated forwards, a fixed column, a coil, two pull ropes and a reverse locking device used for preventing the reverse rotation of the knob; the fixed column is fixed on the rear shell; the knob and the coil are fixed on the fixed column through through-hole loose sleeve; the knob is provided with a circle of first projected teeth arranged around the through hole of the knob; correspondingly, the coil is provided with a circle of second projected teeth arranged around the through hole of the coil; the first teeth are meshed with the second teeth; ends of the pull ropes are connected with one end of the front shell with the other ends connected with the coil; when the knob is rotated forwards, two pull ropes drive the front shell. When the knob is rotated, the knob drives the coil to rotate, so as to collect the pull ropes; thereby, the front shell is pulled close to the rear shell to realize the adjustment on the head surrounding space.

The invention relates to a wedged connecting rod bushing press fitting positioning mechanism, comprising a large-head positioning mechanism, a small-head positioning mechanism and a bushing press fitting positioning mechanism all arranged on the top of a worktable; the bushing press fitting positioning mechanism adopts a mandrel with a split structure for press fitting; a wedged bushing is mounted on the mandrel; a circumferential phase angle between the wedged inclined surface of a pressing sleeve and a positioning steel ball subjected to fine adjustment through a fastening screw; the wedge surface phase angle of the wedged bushing is adjusted through a hold-down screw; and the connecting rod bushing is press-fitted into a hole formed at the small head of the wedged connecting rod positioned by the large-head positioning mechanism and the small-head positioning mechanism. The wedged connecting rod bushing press fitting positioning mechanism is convenient for press fitting and accurate in positioning.

The invention relates to an all crank unloading device for press filter. At present, there is no all crank unloading device for press filter with reasonable structural design and reliable performance. The device comprises plural all crank unloading mechanisms. The all crank unloading mechanism includes two lower-corner feeding filter plates, two outer crank arms, two inner crank arms, two long cloth supporting swing plates, two short cloth supporting swing plates, a long cloth supporting roll, a short cloth supporting roll, two crank arm connection shafts, two pieces of lower-corner feeding filter cloth, two filter cloth sinker rods, two balance blocks, a sinker rod locking unit, and a suspension vibrating mechanism. One outer crank arm and one inner crank arm on the same side of the lower-corner feeding filter plate are connected via one crank arm connection shaft, the two filter cloth sinker rods are connected at the lower parts of the two pieces of lower-corner feeding filter cloth in a penetrating manner, and adjacent two filter cloth sinker rods in adjacent two all crank unloading mechanisms are fixed through the sinker rod locking unit. The device provided by the invention has unloading assisting effects on both upper and lower half parts of a filter cake during crank unloading.

The invention provides a massage backrest capable of pushing and pressing up and down. The massage backrest comprises a movement box and a back cushion module, wherein the back cushion module is attached to the front surface of the movement box; back sin made of an elastic material is assembled on the front surface of the back cushion module; a massage back cushion is attached to the back surface of the back sin, and a front magnetic block of an array is attached to the inner side of the massage back cushion; vertical slide rails are symmetrically designed at the two sides of the movement box; slide blocks are assembled on the slide rails; a transverse roller is assembled between the two slide blocks; a rear magnetic block which is transversely placed in parallel and corresponding to the front magnetic block in front-rear direction is assembled on the transverse roller; opposite magnetic poles of the front magnetic block and the rear magnetic block are opposite. According to the massage backrest capable of pushing and pressing up and down, the back can be integrally pushed and pressed, different pressures can be applied to different massage acupuncture points, and quick point-pushing-pressing can be adopted.

The invention relates to the technical field of flexible circuit board accessory devices, in particular to a flexible circuit board scrubbing device. The flexible circuit board scrubbing device can automatically press a flexible circuit board to carry out scrubbing, the pressing effect is improved, sliding is prevented, and the using reliability is improved; meanwhile, automatic scrubbing can be conducted, manpower is reduced, the economic cost is reduced, and the practicality is improved; and moreover, washing liquid can be conveniently sprayed, operation is easy, and the using limitation isreduced. The flexible circuit board scrubbing device comprises a box body, an operation platform, four landing legs and four footing plates. The box body is internally provided with a working cavity.The flexible circuit board scrubbing device comprises a left fixed plate, a right fixed plate, a left pressing plate, a right pressing plate, a left rubber pressing block, a right rubber pressing block, a left limiting rod, a right limiting rod, a left adjusting lead screw, a right adjusting lead screw, a left rotary knob and a right rotary knob. The flexible circuit board scrubbing device furthercomprises a limiting column, a movable block, a rotating shaft, a placement plate, a connecting plate, a rotating arm, a rotating motor and a rotary table. The flexible circuit board scrubbing devicefurther comprises a washing liquid tank, a communicating hose and a spray head. The right end of the washing liquid tank is connected with the inner wall of the right end of the working cavity.

The invention discloses a cam-controlled back massage device. The device comprises clamping plates, the number of the clamping plate being two. The middle part of the lower part of the clamping plateis connected with a second thread fixing pin by threads. The middle part of the upper surface of the clamping plate is connected with a telescopic frame. A first thread fixing pin is connected with the upper part of the left side of the telescopic frame by threads. A support is connected in the middle part of the telescopic frame in a contact manner. The lower end of the support is connected witha limiting block. The upper end of the support is connected with a fixing plate. The middle part of the upper part of the fixing plate is connected with a motor. The left side and the right side of the motor are connected with motor supports. The middle part of the right front part of the motor is connected with a shaft rod. The motor is connected with a cam through the shaft rod. A push rod is connected with the lower part of the peripheral surface of the cam in a contact manner. The lower end of the push rod is connected with an upper connecting block. The lower end of the upper connecting block is connected with a second spring. The lower end of the second spring is connected with a lower connecting block. The device saves manpower and material resources, and solves a problem that manual work can hardly master pressing strength on a back, so pressing effect on a human back is more obvious, and pressing efficiency is high.

The invention provides a full-automatic trimming machine which comprises a feeding device, a long edge trimming device, a steering device and a short edge trimming device, wherein panels sequentially pass through the feeding device, the long edge trimming device, the steering device and the short edge trimming device; the long edge trimming device and the short edge trimming device are respectively positioned on the two adjacent sides of the steering device; and the horizontal-direction included angle of the long edge trimming device and the short edge trimming device is 90 degrees. Compared with the prior art, the trimming machine provided by the invention has the advantages that the structure is simple, the panel feeding is smooth, all the steps closely cooperate with each other, before the next step is carried out, the next work task is prepared in the precious step, the connection is close, and the working efficiency is high.

The present invention relates to the technical field of circuit board manufacturing equipment, and particularly to a circuit board laminating machine. The laminating machine comprises a control system, a laminating device, a lifting device for carrying out lifting operation on the circuit board after preparing the material, a conveying device having a double layer conveying structure, and a suspension arm type feeding and unloading device. The plate inlet of the laminating device is slidably connected with a material bracket. The lifting device, the conveying device and the laminating device are sequentially arranged. The suspension arm type feeding and unloading device is fixedly arranged on the top of the laminating device. The control system respectively forms control connections with the suspension arm type feeding and unloading device and the laminating device. The circuit board laminating machine of the present invention has the following advantages that: automation degree is high, control is reliable, a plate laminating effect is good, labor intensity can be reduced, and production efficiency can be improved.

The invention provides a novel steel tube machining device, and particularly relates to an adjustable steel tube joint closing device which comprises a base, a press-fitting roller fixing seat, a first press-fitting roller, a second press-fitting roller, a third press-fitting roller and a lifting support. By means of the adjustable steel tube joint closing device, press-fitting adjustment can be carried out from multiple angles, prominent load bearing capacity and press-fitting precision are achieved, the novel press-fitting rollers can be better attached to the surfaces of tubes to be machined, press-fitting force is accurate and uniform, tube joint closing efficiency and quality can be effectively improved, operation is easy, and operation safety risks are effectively lowered.

The invention discloses antenna terminal pressing equipment. The antenna terminal pressing equipment comprises an antenna clamp, a clamping and transferring mechanism, a material pressing mechanism, a man-machine controller, a machine frame, a preparation plate and a discharging plate. The material pressing mechanism is arranged on the upper plane of the machine frame. The horizontal preparation plate and the horizontal discharging plate are installed on a side arm of a main installation frame of the material pressing mechanism. The antenna clamp can be placed on the preparation plate. The clamping and transferring mechanism is installed on the portion, behind the antenna clamp, of the upper plane of the machine frame. The man-machine controller is installed on the portion, at one side of the clamping and transferring mechanism, of the upper plane of the machine frame. The antenna clamp is placed on the upper end face of the main installation frame manually, the clamping and transferring mechanism conveys the antenna clamp into the material pressing mechanism, and a copper sheet in the material pressing mechanism is punched into an antenna of the antenna clamp through a bending head device in the material pressing mechanism. In this way, the antenna terminal pressing equipment is stable in operation, good in pressing effect, convenient to operate and capable of greatly improving the production efficiency and reducing the production cost.

The invention relates to an automatic variable presser foot mechanism of a sewing machine. The automatic variable presser foot mechanism of the sewing machine is characterized by comprising a presser foot height adjusting assembly and a presser foot travel adjusting assembly; the output shaft of a first electromotor of the presser foot height adjusting mechanism is connected with a first transmission shaft, an oscillating bar is a bend rod, and a fixing hinging point is arranged at the bend part of the oscillating bar; a fixing rod is provided with a fixed end and a free end, the fixed end is hinged and fixed to the sewing machine, the free end can rotate around the fixed end, the oscillating bar butts against the lower portion of the fixing rod, and thus the fixing rod is driven to rotate around the fixed end to adjust the up-and-down position of the free end; the output shaft of a second electromotor of the presser foot travel adjusting assembly is connected with a second transmission shaft, the second electromotor rotates, an adjuster is driven through the second transmission shaft and a connecting rod assembly, a connecting plate is driven to do swing movement around the free end of the fixing rod, and the height of a third connecting rod and the height of a presser foot are adjusted; a guide frame and a reset spring are arranged on the upper portion of a presser rod, and the reset spring exerts pressure downwards to keep the presser foot to be free of vertical jumps. The automatic variable presser foot mechanism of the sewing machine is capable of automatically adjusting the height of the presser foot, simple in structure and convenient to adjust.

The invention discloses a residue and juice separation device for a food processor. The device comprise an inner channel and a food preprocessor and is characterized by further comprising a filter screen outer layer and a juice receiving container, the filter screen outer layer is arranged on the outer side of the inner channel, a gap exists between the filter screen outer layer and the inner channel, the filter screen outer layer and the inner channel are jointly arranged in the juice receiving container, a squeezing channel extending from bottom to top is formed in the gap and provided with at least one inclined segment, an inlet of the squeezing channel is in the lower portion, an outlet of the squeezing channel is in the upper portion, the inlet is communicated with the inner channel, and the outlet serves as a residue discharging opening. The residue and juice separation device for the food processor has the advantages of being simple and reasonable in structure, and capable of guaranteeing that discharged residues are fully and evenly squeezed, the juicing effect is obviously improved, and the situation that residue and juice separation is not thorough is also avoided.

The invention relates to a press-fitting and locating mechanism and a press-fitting method of a wedge-shaped connecting rod bush. The press-fitting and locating mechanism comprises a large-head locating mechanism, a small-head locating mechanism and a bush press-fitting and locating mechanism which are all placed on a working table, wherein the bush press-fitting and locating mechanism is pressed and fit with a central spindle having a split structure; a wedge-shaped bush is equipped on the spindle; a circumferential phase angle between a wedge-shaped slope of the bush and a location steel ball is finely adjusted by a stopper screw; a wedge surface phase angle of the wedge-shaped bush is adjusted by a compression screw; and then, the connecting rod bush is pressed and fit into a wedge-shaped connecting rod small-head hole located by the large-head and the small-head locating mechanisms. According to the invention, the press-fitting process is convenient, and the location is accurate.

The invention discloses an adjustable external chest compression device. The adjustable external chest compression device comprises a mounting plate, a compression hemisphere, a screw rod, a first motor, a movable block, a mounting box, a first rotating shaft, a first electronic push rod, a movable rod, a compression hemisphere, a second rotating shaft, a second electronic push rod, a first gear,a second gear, a third gear and a fourth gear. By virtue of the cooperation of the second motor, the second electronic push rod, the second rotating shaft, the third gear, the fourth gear, the secondgear, the first gear, the first rotating shaft, the first electronic push rod, the movable rod, a spring and the compression hemispheres, and the compression hemispheres are driven to move up and downso as to automatically and repeatedly compress the chest of a patient, so that the compression effect is good, the time and the labor are saved, and the efficiency is high; and meanwhile, by adjusting the motion strokes of the compression hemispheres, the compression force can be adjusted, and a telescopic rod of the second electronic push rod is controlled, so that the up-down motion frequency of the compression hemispheres can be adjusted by changing a transmission ratio.

The invention provides a timing gear locating device and timing gear assembling equipment comprising the same, and relates to the field of timing gear assembling equipment. The timing gear locating device comprises a timing gear, a supporting mechanism, a gear angular locating mechanism and a straight tooth locating mechanism, wherein the timing gear is placed on the supporting mechanism; the timing gear comprises a first end face and a second end face which are opposite; a timing hole is formed in the first end face; the gear angular locating mechanism comprises a locating pin; the locating pin is selectively matched with the timing hole; the straight tooth locating mechanism is provided with a first imitation block and a straight tooth locating cylinder used for driving the first imitation block to perform movement; the first imitation block is provided with a tooth groove; and the tooth groove is selectively meshed with the straight teeth of the timing gear. According to the timinggear locating device and the timing gear assembling equipment comprising the same, the timing gear can be located accurately, so that the subsequent assembling process is facilitated, and the productquality of assembly parts is improved; besides, the timing gear assembling equipment comprising the timing gear locating device can effectively solve the problem of unsatisfactory quality caused during the assembling process.

The invention discloses light-coated kraft production equipment and a method. The production equipment comprises a triple net forming device, a squeezing device, a front drying device, a film transfer sizing machine, a rear drying device, a hard calendering device, a first scraper coating machine, a first scraper rear drying device, a second scraper coating machine, a second scraper rear drying device, a soft calendering device, a cooling device and a coiling forming device which are sequentially mounted on a rack. In the production of light-coated kraft by adopting the equipment, after the two sides of the original paperboard are sized by the film transfer sizing machine, the ink absorption uniformity of the kraft is improved; and through twice scraper coating, a good coating effect can be obtained at low coating quantity, and the requirement on high printing performance of the kraft can be met; and moreover, the bottom layer, lining layer and surface layer adopt different raw materials as well as proper proportions of raw materials respectively, and the produced light-coated kraft has low ration and high strength.

The invention is a method for using glutamine transaminage to process wool textile. The glutamine transaminage is dissolved in water to produce the enzyme processing liquid, then the wool textile is put into the liquid to be processed, the invention enhances the association effect of wool protein fiber, realizes the effect of easy nursing. At the same time, the invention uses MTG enzyme process, the invention accords with the demands of environment protection, it has no contamination.