78results about How to "Avoid strain" patented technology

The utility model relates to a die-casting die, which belongs to the field of die-casting dies and comprises a movable die component and a static die. Die-casting cavities are respectively formed in the opposite surfaces of the static die and the movable die assembly; an injection nozzle communicated with the die-casting cavity is arranged on the static die; a U-shaped cooling water cavity is formed in the injection nozzle; the movable mold assembly comprises a movable mold base, a push plate, a push rod fixing plate, a cylindrical push rod, a reset push rod, a demolding push rod and a movable mold body; the die-casting cavity is formed in the movable die body; the push rod fixing plate, the push plate and the movable mold base are sequentially arranged on the movable mold body from inside to outside; according to the injection nozzle structure disclosed by the utility model, the structures of the movable mold assembly and the static mold are combined, so that the technical problems that the injection nozzle is easy to strain and pock marks occur are effectively solved, the service life of the injection nozzle is prolonged, the bonding between a die casting and the static mold is reduced, the demolding efficiency is improved, and the integrity of the casting is ensured.

The invention provides a hot rolling process control technology for improving the roller mark defect of 443 ultra-pure stainless steel in a hot rolling process. By innovating the heating temperature and the high-temperature furnace staying time of the 443 ultrapure stainless steel and innovating 443 finish rolling temperature control, the friction coefficient of the 443 and a roller is reduced, the working environment of the roller in the 443 production process is improved, and the roller is prevented from being pulled; the carbon steel and stainless steel mixed rolling mode is innovated for production, the carbon steel makes contact with the roller for roller polishing, and therefore the roller is prevented from being strained. By implementing the technology of the patent and combining the two measures, the roller strain can be effectively avoided, the 443 roller mark defect is obviously improved, and the failure rate is reduced from 15% to 3% or below, so that the overall production efficiency is improved, and good benefits can be obtained.

The invention discloses a traction device for clinical use in the orthopedics department and a using method of the traction device, and relates to the technical field of medical assistion.The traction device comprises a supporting ring, a plurality of telescopic rods are fixedly arranged at the top of the supporting ring, a traction ring is fixedly arranged at the tops of the telescopic rods, and an air bag is arranged at the top of the traction ring; two buffer grooves are formed in the top of the supporting ring, and two air outlet grooves are formed in the side wall of the supporting ring. Through the arrangement of a trapezoidal block, two release springs and two L-shaped switching rods, a patient can quickly release traction by himself / herself, the safety is high, the operation is simple, convenient and quick, and through the arrangement of a buffer plate, a limiting sliding groove, a first one-way plate, a first torsional spring, a first connecting shaft, a second one-way plate, a second connecting shaft, a second torsional spring and a sealing plate, the safety of the patient is improved. Rapid contact traction is achieved when a patient feels uncomfortable, too fast collision and friction can be avoided during cervical vertebra reduction, and the spine safety of the patient is guaranteed.

The utility model relates to the field of dance training, and particularly discloses a dance basic skill training device which comprises a frame, connecting seats are fixedly connected to the middles of the two sides of the frame, connecting frames are movably connected to the front ends of the connecting seats, and fixing frames are fixedly connected to the lower portions of the two sides of the front end of the frame. A mounting platform is fixedly connected to the upper end of the fixing frame, a telescopic mechanism is arranged between the mounting platform and the connecting frame, supporting arms are fixedly connected to the positions, close to the two sides, of the lower portion of the front end of the frame, connecting pipes are movably connected to the front ends of the supporting arms, and locking clamps are movably connected between the connecting pipes and the supporting arms; an adjusting mechanism is arranged at the upper end of the connecting pipe, by installing an air bag and an inner container, controlling an air valve, injecting D3O gel and the like, lifting of the device can be autonomously controlled, damage such as strain caused by too large adjusting amplitude of the device in the training process is avoided, and the problems proposed in the background technology are solved.

The invention provides a non-woven fabric treatment device for lamination, which comprises a treatment box, and a plurality of groups of conveying rollers for driving non-woven fabric to move are mounted in the treatment box; a cleaning and preheating mechanism for cleaning the non-woven fabric and preheating the surface of the non-woven fabric is mounted in the treatment box; a flattening mechanism for enabling the surface thickness of the non-woven fabric to be uniform is mounted in the middle of the interior of the treatment box; a flattening mechanism for reducing wrinkles on the surface of the non-woven fabric is mounted at one end of the treatment box; an adjusting mechanism used for adjusting the pressure of the flattening mechanism on the surface of the non-woven fabric is installed on the surface of the processing box, and a driving mechanism used for driving the conveying roller and the flattening mechanism to operate is installed on the side wall of the processing box. The non-woven fabric treatment device for film spraying has the advantages that the surface of the non-woven fabric is smooth, wrinkles on the surface of the non-woven fabric in the film spraying process are reduced, and the film spraying quality is improved.

Frame reinforcing integrated type counter-pressure casting equipment comprises counter-pressure casting equipment, a left reinforcing frame, a right reinforcing frame and a connecting flange base, the counter-pressure casting equipment is formed by connecting a bottom plate, a middle plate, a movable plate and a top plate together through four large bars, a crucible furnace is located between the bottom plate and the middle plate, and a mold is located between the middle plate and the movable plate. The movable plate is connected to an oil cylinder on the top plate, and mold opening and closing are achieved through stretching and retracting of the oil cylinder. The left reinforcing frame and the right reinforcing frame are respectively connected with a connecting flange seat, and the connecting flange seat is fixed on a bottom plate and a top plate of the counter-pressure casting equipment. The rigidity of the device can be improved, shaking is eliminated, and the problems that a casting is pulled, a copper sleeve of a device platen is abraded aggravated, and a large bar lock nut is prone to loosening are solved. Meanwhile, complete standardized design is achieved, final assembly debugging is completed before delivery, the installation and debugging time is greatly shortened, and the delivery cost is saved.

The utility model provides a joint angle limiting structure of a trainer, which belongs to the technical field of exercise rehabilitation equipment and comprises a seat cushion and a backrest behind the seat cushion, a support frame is arranged below the seat cushion, a side support tube is arranged on one side of the bottom of the support frame, a spindle support tube is arranged above one end of the side support tube, and a limiting shell is arranged at the upper end of the spindle support tube. A supporting rod is arranged at one end of the bearing seat; a limiting plate is arranged on the lower surface of the rear end of the supporting rod; a reinforcing arc-shaped plate is arranged at the rear end of the bearing seat; a kicking welding plate is arranged on the side face of the limiting shell; a joint rotating sleeve is arranged on the side face of the lower portion of the kicking welding plate and can be connected with the kicking welding plate through a fan-shaped adjusting plate, a standard air cylinder and a piston rod are connected with the kicking welding plate through a connecting rod, the upper end of the kicking welding plate is connected with a limiting shell through a supporting rod, and a bearing seat, a limiting plate and a reinforcing arc-shaped plate in the limiting shell control movement of the kicking welding plate.

This utility model relates to the field of pipe processing technology and discloses an inlaid roller mold for preventing damage to the surface of pipe fittings during bending. The mold includes a base, a mounting plate fixedly mounted on the top of the base, an L-shaped plate fixedly mounted on the top of the mounting plate, a cylinder fixedly mounted on the top of the base, two bending rollers symmetrically arranged on the front side of the L-shaped plate, an adjustment component on the rear side of the L-shaped plate, and a lifting component at the output end of the cylinder. This utility model avoids sliding friction between the mold and the pipe fitting by using rollers to contact the pipe fitting surface, thus preventing surface damage. Furthermore, the rollers act as guides during bending, ensuring the pipe fitting moves along a preset bending path. The rollers also distribute the concentrated pressure during bending to multiple contact points, preventing localized deformation or damage to the pipe fitting. The distance between the two bending rollers can be adjusted to accommodate different bending sizes.

A mold structure, pressure processing device, and pressure processing method are disclosed, which can reduce the impact of unstable positioning accuracy caused by the press body, eliminate the need for adjustment of the pressure processing device by a skilled person, have excellent productivity, and are easy to install and disassemble relative to the press body. The mold structure (1) includes a lower mold (3) fixed on a fixed table (2); an upper mold (4) disposed above the lower mold (3); a first elastic body (11) and a stop (10) disposed between the upper mold (4) and the lower mold (3); and a pressure adjustment device (6) connected to the movable table (5) of the upper mold (4). When the pressure processing is not pressurized, the first elastic body (11) separates the upper mold (4) and the lower mold (3). When the pressure processing is pressurized, the stop (10) specifies the bottom dead center position of the upper mold and applies pressure from the movable table (5) to the upper mold (40) through the pressure plate (7) of the pressure adjustment device (6) via the second elastic body (8), thereby clamping the material (30) to be processed between the upper mold (4) and the lower mold (3) for pressurization.

The utility model discloses a split training device suitable for outdoor installation, and relates to the technical field of exercise equipment, and the split training device comprises a support which is supported on the ground; the mounting box is arranged on the bracket; the pair of limiting mechanisms is symmetrically arranged on the mounting box, and the limiting mechanisms can be used for fixing legs; the angle adjusting mechanism is arranged on the mounting box, and the angle adjusting mechanism can adjust the included angle of the pair of limiting mechanisms through the pair of placing plates; according to the outdoor chair, the outdoor chair can be used outdoors, the opening degree of the two legs can be adjusted, and operation is convenient.

The application discloses a brake footboard device and a vehicle, which comprises a mounting bottom plate, a brake valve, a brake footboard mechanism and an angle detection module. The valve top of the brake valve extends upward from the mounting bottom plate. The brake footboard module of the brake footboard mechanism is installed on the mounting bottom plate through a first overturning installation module. The pressing member is arranged on the lower side of the brake footboard module and faces the valve top. The brake footboard module overturns downward and drives the pressing member to press the valve top under the action of the foot pedal force. The brake footboard module overturns upward and returns to the initial posture under the condition that the foot pedal force is removed. The angle detection module is used for brake control of the transmission system of the vehicle according to the downward overturning angle of the brake footboard module. The pedal stroke and the brake force curve are close to the ideal linear relationship, the power transmission path is simple, the energy loss is small in the transmission process, the brake force is prevented from being greatly attenuated, the advantages of electric control and mechanical brake are combined, the brake force is quickly improved, and the brake distance is shortened.

The invention discloses a neurosurgery rehabilitation training device, and relates to the technical field of rehabilitation instruments. Comprising a traction connecting piece, a protection compensation piece is installed on the traction connecting piece, and the protection compensation piece is used for reducing the traction tension of a patient; a one-way positioning control piece is mounted on the traction connecting piece; the one-way positioning control piece is used for limiting the protection compensation piece; an elastic force training piece is mounted on the protection compensation piece; the elastic force training piece is used for traction training of a patient; a tension control piece is mounted on the elasticity training piece; the training intensity accuracy of a patient can be improved, strain of the patient can be prevented, the training intensity can be determined according to the traction force of the patient, automatic control is achieved, and training is safer and more scientific; the problems that when a Parkinson's disease patient is subjected to traction training through an existing neurosurgery rehabilitation training device, the patient cannot sense the training intensity conveniently, and excessive training is likely to be caused are solved.

The application discloses a portable broad bean picking device and a picking method thereof, and relates to the technical field of agricultural machinery, comprising a rotary cutting gear transmission mechanism and a steel wire centering guide mechanism; the rotary cutting gear transmission mechanism comprises a rotary cutting gear which is hollow and provided with circumferential radial notches and a suspension supporting structure, the rotary cutting gear is connected with a rotary cutting tool and externally engaged with a driving gear; the suspension supporting structure comprises circular arc tracks arranged on upper and lower surfaces of the rotary cutting gear and a plurality of universal ball bearings thereon; the steel wire centering guide mechanism comprises a plurality of elastic steel wires which are circumferentially arranged around the rotary cutting tool rotation center and a radial opening and closing mechanism. The application realizes continuous, efficient and in-situ cutting of broad beans from stems, can adapt to plants in different growth states, and significantly reduces the missing picking rate and damage; the handheld design makes the operator keep upright operation, reduces the labor intensity, the overall structure is light and flexible, and provides an efficient and labor-saving picking solution for small and medium-sized planting.

The utility model relates to the field of physical training, and discloses physical training equipment for sports, which comprises a base, the base is of a cavity structure, a U-shaped frame is fixed at one end of the top of the base, a stretching mechanism for arm training is arranged on the side wall of the U-shaped frame, a supporting mechanism for leg training is arranged in the base, and a connecting plate is slidably arranged on the inner side wall of the U-shaped frame. Second sliding grooves are formed in the two inner side walls of the U-shaped frame correspondingly, first sliding blocks are slidably connected to the inner side walls of the two second sliding grooves correspondingly, and the two first sliding blocks are fixed to the two ends of the connecting plate correspondingly. By means of the arm training stretching mechanism and the leg training supporting mechanism, the arms and the legs of a trainee can be trained at the same time, the training effect is improved, in the training process, the first buffering mechanism and the second buffering mechanism are matched to buffer the connecting plate twice, the trainee is prevented from loosening the hanging ring, and the training effect is improved. The connecting plate is released instantly, the arms of the trainee are prevented from being strained, and the training effect is improved.

The utility model discloses a gearbox housing snatchs the grab hand belongs to gearbox production technical field. The device includes hoisting subassembly, and hoisting subassembly output is provided with the hoisting plate, and the front clamping plate is fixedly arranged in the hoisting plate front side, and the back clamping plate that cooperates with the front clamping plate is movably connected to the hoisting plate rear end, and the hoisting plate is provided with the clamping mechanism that is used for driving the back clamping plate bottom to draw close to the front clamping plate to hold the gearbox housing for cooperation, and the vertical vibration motor that is used for generating the up and down direction vibration is fixedly arranged on the front clamping plate top. The utility model discloses when using, and the vertical vibration motor is with 200 300Hz high frequency micro amplitude vibration direct action on the shell joint surface, and only needs 5 seconds to make the up and down shell body and internal component accurate adhesion, and the efficiency is improved. The first, second cooperation piece of rubber material guarantees friction force and prevents slipping, and also avoids shell surface damage, and the vibration energy is evenly transmitted through the contact surface simultaneously, thereby improve the overall assembly efficiency.

The utility model discloses a mould for foaming a vehicle seat, which comprises a base, a fixed mould base arranged on one side of the upper end of the base, a movable mould base arranged in the middle of the upper part of the base and capable of sliding left and right relative to the fixed mould base, and a driving device for driving the movable mould base to move left and right, a lower mold is arranged on the side, facing the fixed mold base, of the movable mold base, after the seat foaming cushion is formed, the upper mold making small-area contact with the foaming cushion moves away from the lower mold and moves out of the forming mold groove, then the hydraulic cylinder is started, and the push rod, the top mold plate and the foaming cushion are pushed to move rightwards through the piston rod; under the mutual cooperation of the spring and the linear vibration motor, the top mold plate is used for carrying out high-frequency elastic vibration pushing on the foaming cushion embedded in the forming mold groove, so that on one hand, the surface deformation and strain of the foaming cushion during hard taking-out can be prevented, and on the other hand, the foaming cushion can be continuously ejected out of the mold groove more linearly and smoothly.

The present invention discloses a method for transferring a metal electrode to a two-dimensional material, which comprises: obtaining a structure to be transferred, wherein the structure to be transferred comprises a substrate, a transition layer formed on the substrate, and a metal electrode pattern formed on the transition layer; wet etching the transition layer to remove the transition layer not covered by the metal electrode pattern; using an organic flexible material to integrally bond the metal electrode pattern in the structure to be transferred from the transition layer and adhere it to the two-dimensional material in the target structure; removing the organic flexible material to complete the van der Waals contact between the metal electrode and the two-dimensional material. By introducing a transition layer and combining wet etching and dry transfer, it is easy to realize the overall peeling of the pattern to be transferred, greatly improving the success rate of preparation, and by combining the metal electrode and the two-dimensional material through van der Waals force, the contact performance of the two can be greatly improved.

The utility model belongs to signal line winding box technical field, concretely is a kind of commercial signal line winding protection box, including protection box, the side of protection box is provided with detachable mounting plate, the outer circular surface of protection box is provided with heat dissipation hole, the inside rotation of protection box is provided with transmission rod, the outer surface of transmission rod is provided with winding drum, transmission rod and winding drum are engaged connection, the outer surface of winding drum is provided with mounting groove, and mounting groove is used to install signal line, the outer surface of winding drum is provided with connecting ring on the inner wall of mounting plate, the utility model is provided with transmission rod and movable rod etc. Structure, can when signal line jam, make transmission rod idle, prevent signal line from being pulled, solve the problem that signal line is pulled because of the rotation of internal transmission shaft, by setting heat dissipation hole and slag discharge port etc. Structure, not only improve the heat dissipation capacity of device, and signal line surface moisture can be absorbed by water-absorbing sponge, solve the problem of signal line box internal damp heat.

The utility model discloses an old man turning-over device relates to medical auxiliary instrument technical field, including frame body part, control part and lifting part, replace manual heavy physical operation: device relies on the drive motor of control part, screw rod and abutment plate cooperation, through motor drive screw rod rotation, drive abutment plate to lift to promote first side plate, second side plate rotation around pivot, realize the mechanical lifting of old man body position and turn over, replace traditional manual auxiliary turning-over's heavy physical labor. Without nursing staff consuming physical strength to move or lift the old man, solve the problem of nursing staff fatigue caused by frequent turning over at night, reduce the work burden of long-term nursing, adapt to the scene of family lack of professional nursing staff.

The utility model discloses a bottle blank demoulding device which comprises an electric sliding rail, the upper surface of the electric sliding rail is fixedly connected with a mounting plate, the bottom surface of the electric sliding rail is provided with a limiting sliding groove, and the inner wall of the limiting sliding groove is connected with an electric sliding block in a sliding mode. According to the device, accurate and stable movement of the movable mold is achieved through combination of the electric sliding rail and the electric sliding block, the accuracy of mold closing and demolding actions is effectively improved, a lubricating system composed of the lubricating oil storage tank, the oil conveying pump and the high-pressure pipe is utilized, the contact face of the fixed mold and a bottle blank can be fully lubricated before demolding, friction force during demolding is greatly reduced, and the service life of the mold is prolonged. The surface of the bottle blank is prevented from being scratched or pulled, the appearance quality of the bottle blank is improved, meanwhile, power needed for demolding is reduced, the demolding force is uniform and can be accurately regulated and controlled through the demolding mode that the demolding plate is driven by the electric hydraulic telescopic rod, the demolding requirements of the bottle blanks of different specifications can be met, it is ensured that the demolding process is stable and efficient, and the production efficiency is further improved.

The present invention discloses a neurosurgery rehabilitation training device, which relates to the technical field of rehabilitation equipment; it comprises a traction connection, on which a protection compensating part is installed, and the protection compensating part is used to reduce the pulling force of the patient; a one-way positioning control part is installed on the traction connection; the one-way positioning control part is used to limit the protection compensating part; an elastic training part is installed on the protection compensating part; the elastic training part is used for patient traction training; a tension control part is installed on the elastic training part; the intensity accuracy of the patient's training can be improved, the patient can be prevented from being strained, the training intensity can be determined according to the patient's pulling force, automatic control can be realized, and the training is safer and more scientific; so as to solve the problem that when Parkinson's patients are subjected to traction training with the current neurosurgery rehabilitation training device, the patients themselves are not convenient to perceive the training intensity, which easily leads to over-training.

The utility model relates to medical equipment technical field discloses a kind of multi-angle breast tumor image linkage observation stand, including stand, the upper end of the stand is connected with telescopic column for adjusting, the side of telescopic column is fixedly installed with the mounting plate for connection, the side of the mounting plate is fixedly connected with the support for positioning.This multi-angle breast tumor image linkage observation stand is cooperatively arranged by stand, telescopic column, mounting plate, support, first adjusting plate, second adjusting plate, connecting frame and display screen, the angle adjustment of display screen in horizontal rotation can be realized by the combination of first adjusting plate and second adjusting plate, the detachable design of connecting frame is combined, to form all-around adjustment range, thereby solve the limitation of the fixed angle of traditional observation stand, doctor can observe tumor morphology, boundary and the relationship with surrounding tissue from different angles without repeatedly adjusting own posture, avoid missing key information due to insufficient viewing angle.

The invention discloses a multidirectional core-pulling automobile door panel mold, relates to the technical field of injection molding molds, and aims to solve the technical problem that in the prior art, core-pulling and demolding are difficult due to the fact that internal inverted buckles exist in drum-shaped and other special-shaped mounting holes, and the multidirectional core-pulling automobile door panel mold comprises an automobile door panel injection mold body, a static mold body and a movable mold body. And the static mold and the movable mold are closed to form an injection molding cavity. The multidirectional core-pulling automobile door panel mold disclosed by the invention has the beneficial effects that the composite core mechanism formed by alternately splicing the inclined panels and the flat panels which can stretch out and draw back in the radial direction is arranged in the mold closing cavity of the static mold and the movable mold, so that one-time high-precision forming and lossless demolding of complex special-shaped mounting holes in an automobile door panel are realized; a series of technical problems that in the prior art, due to the fact that a traditional core-pulling mechanism cannot process a complex hole structure with the middle diameter larger than the end opening diameter or with an internal step, demolding interference, product strain, flash, difficulty in guaranteeing size precision and the like are caused are solved.

The present invention relates to the technical field of injection molds, and in particular to an undercut demoulding device, which comprises a slider and a draw hook arranged outside the slider, wherein the slider is inlaid with a first inclined top and a second inclined top, the bottom of the first inclined top and the bottom of the second inclined top are both fixed on the same ejector plate, the top of the first inclined top and the top of the second inclined top both pass through the slider, the top end of the first inclined top is configured as a first hook, the top end of the second inclined top is configured as a second hook, the first hook and the second hook can be hung on the slider respectively, the undercut is formed on the first hook, the second hook can be buckled on the draw hook, the slider can push the second hook to move along the hook surface of the draw hook, and the undercut demoulding device can accurately ensure that the inclined top is completely translated out of the undercut and then further separated from the undercut product, thereby effectively avoiding the problem of the undercut being damaged by top and pull.

The invention relates to resistance measurement, in particular to the technical field of generator detection, and discloses a generator stator winding resistance testing device which comprises a base, a three-phase motor, a megohmmeter and a rotating motor are mounted on the base, and a rocker arm output shaft of the megohmmeter is fixedly connected with an output shaft of the rotating motor. The three-phase motor is provided with a winding portion, the winding portion is provided with a switching portion, the switching portion is provided with a lead portion, the base is provided with a support, the support is provided with an adjusting portion, the support is further provided with a control portion, the support is further provided with a case, the megohmmeter is provided with a conversion portion, and the megohmmeter is provided with a control portion. A microprocessor is arranged in the case, mechanical linkage of the switching part and the conversion part and control of the microprocessor are adopted, loop switching of U-V, V-W and W-U interphase tests and U-ground, V-ground and W-ground-to-ground tests is automatically completed, manual wire dismounting and wiring are not needed, automatic switching is achieved, and the test efficiency is improved.

The utility model belongs to the field of epilepsy protection, provide a kind of epilepsy protection device, including helmet and the two positioning plates of symmetrical distribution located below helmet, the bottom both sides of the helmet are respectively provided with and two positioning plates one-to-one corresponding connection's buffer assembly, the buffer assembly includes the connecting plate being set on positioning plate upper portion, rotating shaft is rotatably arranged on the connecting plate, and the one end of rotating shaft is provided with sleeve;The utility model is through the collaborative structure of helmet, positioning plate and buffer assembly, when patient epilepsy, by the cooperation of moving plate, sleeve and spring, the effective limit of patient head can be realized, avoid the neck muscle sprain, cervical vertebra injury caused by head excessive skew when epilepsy, simultaneously only need to twist lock bolt to push L-shaped plate and move adjustment head between helmet and positioning plate The use interval is to adapt to the patient of different head shoulder proportion, further improve the comfort of patient when using.

The utility model relates to an integrated flexible end effector for capsicum frutescens harvesting. The device comprises a flexible clamping mechanism, a rotary posture adjusting mechanism, a fruit stem separating mechanism and a jet conveying mechanism, capsicum frutescens can be clamped through the flexible clamping mechanism, the posture of the capsicum frutescens can be finely adjusted through the rotary posture adjusting mechanism, fruits and fruit stems can be conveniently cut and separated by the fruit stem separating mechanism, and the capsicum frutescens can be conveyed to a collecting frame through the jet conveying mechanism. According to the scheme, only the posture of capsicum frutescens needs to be finely adjusted, large-amplitude rotation is not needed, and therefore the perfectness rate of picked fruits is increased; and the capsicum frutescens is collected in a blowing manner, so that the problem of blockage is avoided.

The utility model relates to pressure casting process technical field provides a kind of pressure casting mould with in-mold material head function, comprising: fixed mould component, including fixed plate and movable plate;Movable mould component, movable plate and movable mould component jointly define cavity;Feedway, for supplying pressure casting material to cavity, feedway includes first section, set up in fixed plate;Second section, through movable plate and communicate with cavity;Temperature control unit, with the heat conduction connection of first section and second section junction, for the heat preservation of pressure casting material;Separation mechanism, set on fixed mould component, for in movable mould component and the initial stage of fixed mould component's mold opening, drive movable plate and fixed plate first separation, make the pressure casting material that has not completely solidified and the pressure casting material that has solidified fracture at the junction of first section and second section. The design not only realizes full-automatic material head, exempts from subsequent punching process, and also because of smaller separation force, effectively protected mould precision and prolonged service life.

A high-efficiency plate heat exchanger for industrial cooling water, relating to the field of plate heat exchanger technology, includes a base and two fixed plates. Four guide plates are fixed between the two fixed plates. Hot-side plates and cold-side plates are alternately arranged between the two fixed plates. Both the hot-side and cold-side plates are connected to the guide plates and can slide along the length and width directions of the guide plates, respectively. The ends of the hot-side plates have a first hot flow channel and a second hot flow channel, and the ends of the cold-side plates have a first cold flow channel and a second cold flow channel. The upper and lower ends of both the hot-side and cold-side plates are perforated with alternately arranged hot fluid holes and cold fluid holes. The first and second hot flow channels communicate with the hot fluid holes, and the first and second cold flow channels communicate with the cold fluid holes. The depths of the first hot flow channel and the first cold flow channel are smaller than the depths of the second hot flow channel and the second cold flow channel, respectively. This invention solves the problem of cumbersome plate flow channel adjustment procedures in existing plate heat exchangers.