174results about How to "Uniform pressure" patented technology

The utility model relates to the technical field of edge banding machine, disclose a kind of edge banding machine for plastic bag processing, including processing platform, the top middle fixed connection of processing platform has bearing frame, the top both ends of bearing frame are fixedly connected with fixed plate, one side of the fixed plate is penetrated and rotationally connected with driving roller, one end of driving roller is fixedly connected with worm wheel, one side of the fixed plate is penetrated and rotationally connected with transmission rod, one end of transmission rod is fixedly connected with worm, and worm and worm wheel are engaged connection, the other end of transmission rod is penetrated and slidingly connected with rocker, the top of bearing frame is penetrated and slidingly connected with evenly distributed slider. In the utility model, the linkage between driving roller, worm wheel, transmission rod, worm, slider, connecting block, slide bar, connecting rod, slide plate, first gear, second gear and transport roller can meet the demand of plastic bag edge banding width fine control.

The utility model discloses a rapid installation type weighing platform type rail weighbridge, and aims to provide the rapid installation type weighing platform type rail weighbridge which can meet the weighing precision requirement and can be rapidly installed. The device comprises a weighing platform, the top surface of which is provided with a weighing rail; the steel structure underframe is provided with two groups of fixed supports distributed along the direction of the weighing rail, the weighing platform is located above the steel structure underframe, and the weighing platform is located between the two groups of fixed supports; the sensor device comprises a front weighing sensor assembly, a middle weighing sensor assembly and a rear weighing sensor assembly which are sequentially distributed in the direction of the weighing rail, and the weighing platform is supported on the steel structure underframe through the sensor device.

This utility model discloses a stainless steel storage tank with good sealing performance for chemical production, including a tank body. A sealing cover is provided on the top of the tank body for sealing. A driving pressing assembly is provided on the surface of the tank body. The driving pressing assembly is used to drive and press down the sealing cover, improving the sealing performance between the sealing cover and the tank body. A connecting rotating assembly is provided on the sealing cover. This utility model achieves automated pressing and releasing of the sealing cover through the driving pressing assembly, replacing the traditional one-by-one bolt tightening operation. The sealing ring at the bottom of the sealing cover, together with the annular positioning block and annular positioning groove at the top of the tank body, form a triple sealing structure. The annular positioning block is embedded in the annular positioning groove for precise positioning, preventing the sealing cover from shifting. The pressing plate applies uniform pressure through the driving pressing assembly, ensuring a tight fit between the sealing ring and the upper edge of the tank body, eliminating local gaps.

The utility model discloses a two-inlet and one-outlet single valve which comprises a valve body, electromagnetic control parts are installed on the upper face and the lower face of the valve body respectively, the valve body is provided with a first inlet, a second inlet and an outlet, and the two electromagnetic control parts control opening and closing of the first inlet and the outlet and opening and closing of the second inlet and the outlet respectively. The double electromagnetic control parts are integrated on the upper end face and the lower end face of the valve body, the symmetrical flow channel design is adopted, the size of the valve body is greatly reduced, the installation process is simplified, meanwhile, the manufacturing cost is reduced, the double electromagnetic control parts independently control opening and closing of the first inlet, the second inlet and the outlet respectively, and two-inlet one-outlet parallel fluid conveying can be achieved; and a single-input and single-output independent control mode can also be switched, so that the requirements of complex working conditions are met.

The present application relates to scroll compressor technical field, specifically disclose a kind of scroll compressor and scroll tooth profile correction method.The scroll compressor includes: in static scroll and dynamic scroll compression process end, the first outer arc segment and the inner wall of dynamic scroll form first gap in the preset angle range of static scroll and dynamic scroll rotation, second outer arc segment and the inner wall of static scroll form second gap;In the process that static scroll and dynamic scroll exhaust, the third gap between first center head section and second inner arc segment, fourth gap between second center head section and first inner arc segment is formed.The scroll compressor in a certain angle range before gas compression end, the meshing gap of dynamic, static scroll starts from zero and increases, while reducing vibration noise, improve energy efficiency ratio, can solve the problem of tooth head correction arc starting position meshing interference, prolong the service life of the scroll compressor.

The utility model relates to the technical field of fiber fabric air pipes, and discloses a multidirectional micropore flow guide fiber fabric air pipe which comprises a first air pipe, an air inlet is formed in the right side of the first air pipe, a plurality of reinforcing layers are fixedly connected into the first air pipe, and a plurality of ventilation openings are formed in the outer wall of the first air pipe. A first flange ring is fixedly connected to the left side of the first air pipe, a second flange ring is fixedly connected to the left side of the first flange ring, a second air pipe is fixedly connected to the left side of the second flange ring, and a supporting ring is fixedly connected to the middle of the outer wall of the first air pipe. Air enters the first air pipe through the air inlet, air flow is distributed to the flow guide layers under the action of the strengthening layers, the strengthening layers and the first air pipe are sewn, cylindrical balance is kept under the action of vertical and lateral tension, air is exhausted for air supply, the multiple strengthening layers in the first air pipe ensure that the air flow is stable and pressure is balanced, and the strength of the air pipe is enhanced. The service life is prolonged.

The utility model relates to cable production technical field especially is a kind of cable straightening equipment, including mounting plate, mounting plate is provided with two and is symmetrically distributed before and after, the four corners of two mounting plates are all provided with mounting hole, the opposite end of two mounting plates is all fixedly connected with slide rail, straightening mechanism is slidably connected between two mounting plates, two stands are symmetrically fixedly installed in the upper end of the mounting plate located rear part, one end of a stand is fixedly installed with one positive and negative motor, the output of one positive and negative motor is fixedly connected with ball screw, ball screw is screw-connected with the rear part of straightening mechanism. The utility model discloses a kind of cable straightening equipment, reciprocating motion is driven by ball screw straightening mechanism, realize the stable feeding of cable and continuous straightening;While using the multiple straightening wheels of annular distribution, realize automatic adaptation different diameter cable with adjusting disc cooperation, improve straightening efficiency and versatility, applicable to the efficient processing and automatic production of multiple specifications cable.

The utility model relates to the technical field of micro-lens coupling, in particular to a micro-lens coupling device which comprises an adjusting table, a turnover coupling mechanism is arranged at the top of the adjusting table and comprises a clamping table arranged on the surface of the adjusting table, a hidden groove is formed in the left side of the clamping table, and a turnover plate is hinged to the inner side wall of the hidden groove. A fixing plate is fixedly connected to the inner side wall of the overturning plate, a sliding seat is slidably connected to the interior of the fixing plate, an arc-shaped groove is formed in the inner side of the sliding seat, the outer side wall of the sliding seat is sleeved with a buffer spring, the buffer spring is fixedly connected to the back side of the fixing plate, and an electric telescopic rod is fixedly connected to the back side of the fixing plate; according to the utility model, the sliding seat is accommodated through the hidden groove, so that parts such as the sliding seat are prevented from influencing light path focusing, the pressure is dispersed more uniformly by utilizing the matching of the extrusion block and the fixed plate during coupling, and the pressure of the electric telescopic rod is buffered, so that the damage of the optical fiber and the micro lens caused by overlarge pressure is avoided.

The utility model discloses a wall tile leveling device for indoor decoration, which belongs to the technical field of indoor decoration, aims to solve the problem of high labor intensity caused by the fact that a rubber plate needs to be pressed all the time during use, and comprises a supporting plate, a convex frame is fixedly connected to the top of the supporting plate, and limiting blocks are slidably connected to the inner walls of the two sides of the convex frame. According to the wall tile leveling device, the two pressing plates are arranged, when the wall tile leveling device is used, the two pressing plates are pressed at the joint of two wall tiles, the threaded rod is rotated to drive the driving block to descend, the driving block descends to drive the two first connecting rods to rotate outwards at the same time, and therefore the two connecting blocks drive the two pressing plates to move outwards at the same time, and the wall tiles are leveled; according to the wall tile seam balancing device, wall tile seams are tidy and smooth, the situation that uneven tile seams affect the wall effect is avoided, meanwhile, the threaded rod rotates to drive the pressing plate to move and apply pressure, pressure balancing can be evenly conducted on the seam positions, wall tile springback is avoided, and the labor intensity of workers is relieved.

The utility model discloses an assembly tool for a vacuum arc extinguish chamber assembly of a pole-mounted circuit breaker, and belongs to the field of pole-mounted circuit breakers, the assembly tool comprises a base, a positioning assembly, a supporting assembly, a limiting assembly and a push-pull assembly, the positioning assembly is arranged on the base, the supporting assembly and the positioning assembly are correspondingly arranged at an interval, the limiting assembly is arranged on the push-pull assembly, and the push-pull assembly is arranged on the base. And the push-pull assembly is used for driving the vacuum arc-extinguishing chamber assembly to extend into or retreat from the insulating part. According to the utility model, the push-and-pull assembly drives the vacuum arc-extinguishing chamber assembly to extend into the conical inner cavity of the insulating part, and a worker does not need to push and pull the vacuum arc-extinguishing chamber assembly manually, so that the labor intensity of the worker is reduced, time and labor are saved, and the assembly efficiency is improved; through the supporting assembly, the vacuum arc-extinguishing chamber assembly and the insulating part automatically keep coaxial alignment, so that time waste caused by repeated adjustment of the vacuum arc-extinguishing chamber assembly is avoided, deformation and damage of the silicone rubber sealing sleeve caused by local compression are prevented, and the assembly tightness is ensured.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

The invention relates to the technical field of battery pack manufacturing, and discloses an automobile battery pack adopting an anti-offset battery cell fixing structure, the automobile battery pack comprises a battery module and a constraint piece, the constraint piece comprises a pressing group arranged above a connecting piece, a buffer plate is arranged in the middle of the top end of the pressing group, the buffer plate adopts a waveform design, and the buffer plate is arranged in the middle of the top end of the pressing group. A cover plate is arranged at the top end of the buffer plate, springs are symmetrically arranged at the four corners of the bottom end of the cover plate, and the bottom ends of the springs are elastically connected with the four corners of the top end of the pressing set. According to the device, the reinforcing plate and the downward pressing set are arranged, the reinforcing plate is in sliding connection with the downward pressing set, and the abutting rod is in transmission connection with the positioning plate, so that the reinforcing plate and the side plate can be driven to reinforce the side frame while the restraining piece is installed in place, and one-time assembly and double guarantee are achieved; omnibearing constraint is formed on the battery cell from two dimensions of the top end and the side edge, and the deviation risk possibly caused by single-dimension constraint is completely eradicated.

The utility model discloses a butt-assembling tool facilitating metal valve machining, belongs to the technical field of metal valve machining, and aims to solve the technical problems that in the prior art, a plurality of electric telescopic rods are used for pushing a plurality of supporting plates to the inner wall of a valve for abutting and fixing, but the supporting plates can only make contact with local parts of the two ends of the inner side of the valve, and therefore machining is not convenient. Therefore, only local positions of the two ends of the inner side of the valve are pressed during clamping, the two ends of the valve may deform due to uneven stress, and the quality of the valve is affected. Comprising a base, a left supporting plate is fixedly connected to the left end of the upper side of the base, a right supporting plate is connected to the right portion of the upper end of the base, a butt-assembling mechanism is arranged at the upper end of the base and comprises a first bearing installed at the upper end of the right supporting plate, a second bearing is installed at the upper end of the left supporting plate, and a sleeve rod is fixedly connected to the inner side of the second bearing; the left end of the inner side of the sleeve rod is fixedly connected with a spring, and the right end of the spring is fixedly connected with a sliding rod.

The invention discloses a WS2 / W composite material, a preparation method thereof and application of the WS2 / W composite material in a sodium-sulfur battery. The preparation method comprises the following steps: uniformly stirring isopropanol and acetone to obtain a mixed solution A; weighing tungsten hexachloride, adding the tungsten hexachloride into the mixed solution A, and uniformly stirring to obtain a mixed solution B; transferring into a reaction kettle, sealing and putting into a drying oven for reaction; after the reaction is finished, carrying out suction filtration and washing on a product by using industrial alcohol, and drying in a vacuum oven to obtain W18O49 powder; the method comprises the following steps: weighing W18O49 powder and sublimed sulfur, respectively and correspondingly placing the W18O49 powder and sublimed sulfur in a first porcelain boat and a second porcelain boat, then placing the second porcelain boat in the first porcelain boat, placing the second porcelain boat in a tubular furnace, introducing argon into a furnace chamber of the tubular furnace, after the pressure of the furnace chamber is increased to 0.2-0.3 MPa, keeping the airtightness of the system, heating to 1100-1300 DEG C at the rate of 20 DEG C / min, keeping the pressure at 0.2-0.3 MPa in the heating process, and keeping the temperature for 2-3 hours; and after the temperature reaches 1100-1300 DEG C, continuously preserving heat for 2 hours, introducing argon, cooling to room temperature, and collecting to obtain WS2 / W powder. The problems of poor conductivity of the sulfur positive electrode, polysulfide shuttle effect and slow reaction kinetics are solved.

This invention relates to the field of high-purity aluminum purification technology and discloses a high-purity aluminum vacuum purification device, including a support and a crucible fixedly connected to the top of the support. The crucible has several release grooves on its bottom circumference, a heating assembly is arranged around the crucible, a sealing cover is movably hinged to the top of the crucible, an air extraction port is provided at the upper end of the sealing cover, a locking ring is rotatably connected to the bottom of the sealing cover, and several locking grooves are arranged around the outer circumference of the locking ring. Several locking blocks arranged in a circumferential array are fixedly connected to the inner wall of the top of the crucible. This invention, through the automatic closing and locking assembly of the sealing cover, can control the uniform pressure applied to all parts of the sealing cover edge, resulting in rapid and reliable sealing operation, thereby enhancing sealing performance and improving purification quality. Furthermore, without affecting purification quality, it greatly increases the purification rate of high-purity aluminum, achieving uniform cooling of the aluminum ingot from the core to the outer wall, ensuring the stability of directional crystallization.

This invention discloses a hot-melt welding device for large-diameter water supply pipes, the core of which consists of an assembly base, a positioning fixture, a pressurizing component, and a hot-melt component. The positioning fixture is equipped with a sliding base and longitudinal and transverse positioning components, ensuring precise connection of the water supply pipes. The pressurizing component, through a lifting base, a pressurizing unit, and an opening and closing adjustment component, achieves uniform pressure on the welding area, optimizing the welding process. The hot-melt component is responsible for heating the interface, ensuring welding quality. This design significantly improves welding efficiency and connection accuracy. This invention effectively solves the problems of low welding efficiency, poor connection accuracy, and difficulty in guaranteeing welding quality in existing technologies, providing an efficient, precise, and stable technical solution for welding large-diameter water supply pipes.

The invention discloses a heterogeneous soft die assembly, a forming device and a forming method.The heterogeneous soft die assembly comprises a forming die body, the forming die body comprises a plurality of metal dies and a rubber die matched with a cross rib R area and an intersection area, the metal dies are connected with the rubber die, and the rubber die is connected with the metal dies. And a structure matched with each independent area separated by the cross rib is formed. The forming die body composed of the metal die and the rubber die is adopted to form the heterogeneous soft die assembly used for forming the cross rib, the rubber die can deform under the action of external pressure, the metal die and the rubber die are flexibly connected, under the action of the external pressure, it can be guaranteed that pressure is evenly applied to a composite wall plate and an R area, and the forming quality of the cross rib is improved. And the forming quality of the cross rib is ensured.

The utility model relates to the technical field of detection equipment, in particular to a shaft voltage detection device which comprises a base, a vertical rod is arranged on the base, a ram is hinged to the upper end of the vertical rod, a carbon brush is detachably connected to the ram through a fixing clamp, and the carbon brush is connected with a data collector through a wire. One end of the first spring is connected to the vertical rod, and the other end of the first spring is connected to the ram; the fixing clamp comprises a first connecting part of a C-shaped structure, second connecting parts extending outwards are arranged at the two ends of the first connecting part respectively, the fixing clamp is fixed to the ram in a bolting mode through the two second connecting parts, and the carbon brush is placed in a groove of the first connecting part and locked and fixed through a first locking bolt and a first locking nut. According to the device, manual handheld measurement is replaced, and the twisting injury risk caused by a high-speed rotating shaft is avoided; the pressure between the carbon brush and the shaft is kept balanced during measurement through the elastic force of the first spring, the carbon brush is always in stable contact with the surface of the shaft during measurement, and measurement fluctuation is reduced.

The utility model relates to the technical field of body paper winding, and discloses a body paper winding flatness adjusting tool which comprises a support, a transmission mechanism is arranged on the front side of the inner wall of the support, an adjusting mechanism is arranged at the top of the transmission mechanism, and an adjusting assembly is arranged on the inner wall of the support. The top of the adjusting mechanism is provided with a deviation rectifying assembly, the rear side of the inner wall of the support is provided with a stretching assembly, the upper end of the inner wall of the support is provided with a pressing mechanism, the pressing mechanism is used for pressing paper, the transmission mechanism comprises a mounting table, and the two ends of the mounting table are fixedly connected with the inner wall of the support. And a plurality of belt wheels are rotationally connected to the top surface of the mounting table. According to the utility model, the edge position of the body paper is detected in real time through the photoelectric sensor, and when the deviation of the body paper is detected and the adjusting roller transversely moves, lateral force is applied to the body paper, and the deviated body paper is readjusted to the correct position, so that automatic deviation correction is realized.

This invention relates to the field of carbon fiber preforming technology, and discloses a fixture and processing method for air-blown preformed carbon fiber wheel rims. The fixture includes: a lower mold, an upper mold snapped onto the top of the lower mold, a cavity inside the lower mold, a power pump on the outside of the lower mold, a mating groove inside the lower mold, multiple flexible arc-shaped blocks inside the cavity, a flexible column fixedly mounted on the top of each flexible arc-shaped block, and a small airbag fixedly mounted on the top of each flexible column, all positioned within the cavity formed by the upper and lower molds. This invention addresses fixture reliability issues through mechanical interlocking, strict and uniform low-pressure mold locking, and an irreversible safety process of adaptive high-pressure molding. Furthermore, the intelligent following of the mold locking force with internal molding pressure and dynamic matching of internal and external pressures ensure both safety and energy efficiency. Finally, the sensing and feedback of the gridded airbags enable adaptive and uniform pressure application to complex wheel rim cross-sections.

The utility model relates to pipeline technical field more specifically, relate to a kind of water seepage prevention hose clamp, including first outer buckle, with the second outer buckle of first outer buckle rotary connection, first waterproof buckle, second waterproof buckle and several first elastic members, the end of first outer buckle is connected with the end of second outer buckle by locking member, first outer buckle inner wall is connected with the outer wall of first waterproof buckle by first elastic member, second outer buckle inner wall is connected with the outer wall of second waterproof buckle by first elastic member, when first outer buckle and second outer buckle are enclosed annular, first elastic member is evenly distributed along the circumference of first outer buckle, first elastic member is evenly distributed along circumference, the elastic force direction of first elastic member is along radial. First elastic member plays the role of buffer, so that first waterproof buckle and second waterproof buckle are more closely attached to the outer wall of hose, the pressure of hose is more uniform, avoid the gap between hose and joint caused by the deformation of hose partial place too small, improve the sealing of joint overall, avoid or reduce the situation of water seepage.

The utility model discloses a solid-liquid mixture liquid separator, relates to the technical field of liquid separation devices, and solves the problems that a traditional liquid separator is easy to block, non-uniform in liquid separation and high in energy consumption. The stator outer pipe is provided with a plurality of rows of circumferentially-distributed liquid outlet pipes, the rotor inner pipe is provided with a plurality of rows of circumferential holes, cutting edges are arranged on the outer sides of the holes to cut solid particles, and concave fins are arranged on the inner sides of the holes; the rotor is driven by the motor to rotate, solids are dynamically smashed through the cutting edges, the fins stir mixed liquid to promote pressure balance, and solid-liquid mixtures enter the interlayer cavity through the open holes and then are evenly distributed to the liquid outlet pipes. The device integrates crushing and liquid separation functions, is compact in structure, can effectively avoid blockage caused by solid deposition, is high in multi-outlet liquid separation consistency, reduces energy consumption through fluid thrust optimization, and is suitable for industrial continuous liquid separation scenes of high-solid-content mixtures.

The utility model relates to the related technical field of metal wire mesh machining equipment, one embodiment of the utility model provides a leveling machine for a metal wire mesh, the leveling machine comprises a rack and a top plate, the top plate is fixed to the top of the rack, guide-in rollers are rotatably connected to one end in the rack, a conveying correction assembly is arranged on the rack and the top plate, and a leveling assembly is arranged on the rack and the top plate. The leveling assembly comprises a pair of fixing plates, the fixing plates are fixed to the two sides in the rack correspondingly, the two opposite surfaces of the pair of fixing plates are rotationally connected with pressing discs correspondingly, a driving motor is arranged on one side of the rack, transmission wheels are arranged on the output end of the driving motor and a rotating shaft of one pressing disc correspondingly, and the transmission wheels are in transmission connection through a belt. By means of the technical scheme, the problems that in the prior art, flattening is achieved through contact between a pressing roller and a metal wire mesh, the contact area is too small, and due to the fact that the contact area is limited, the metal wire mesh is difficult to obtain comprehensive and even pressure in the flattening process are solved.

The oil-water separation device comprises a lower shell, a sleeve is fixed on the outer side of the lower shell, a sealing gasket is arranged on the inner side of the sleeve, the sealing gasket is tightly attached to the outer side of an upper shell, and an arc-shaped cover plate is arranged on the outer side of the sleeve in a sleeving mode; an annular limiting groove is formed in the outer side of the sleeve, an insertion hole is formed in one side of the arc-shaped cover plate, an arc-shaped limiting plate is connected into the annular limiting groove in an inserted and pulled mode, the side, away from the annular limiting groove, of the arc-shaped limiting plate is located in the insertion hole and provided with a side rod, and a groove plate is arranged on the outer side of the arc-shaped cover plate. The ends of the side rods penetrate through the groove plates, extend outwards and are provided with pull handles, springs are arranged on the outer sides of the side rods, one ends of the springs are connected with the arc-shaped limiting plates, and the other ends of the springs are connected with the inner walls of the groove plates. When the filter medium needs to be replaced, the shell can be conveniently disassembled only by pulling the pull handle to pull the arc-shaped limiting plate out of the annular limiting groove, a large amount of time and effort are not needed to process bolts or damage a welding structure, and the maintenance efficiency of replacement of the filter medium is improved.

The utility model discloses a limiting plate assembly for a calender, and relates to the technical field of automobile leather processing. The limiting plate assembly for the calender comprises a fixing support and a limiting assembly, guide rollers are arranged on the two sides of the fixing support, the limiting assembly is arranged on the guide rollers, the limiting assembly comprises a two-way threaded rod, threaded blocks and a limiting plate, and the two sets of threaded blocks are installed on the two-way threaded rod in a threaded mode and symmetrically distributed front and back; the guide roller is slidably sleeved with two sets of limiting plates which are symmetrically distributed front and back, and the bottoms of the limiting plates and the tops of the threaded blocks are fixedly installed. Through the arrangement of the limiting assembly, leather is clamped, it is ensured that the leather is kept in the center when entering and exiting the calender, leather deviation is avoided, it can be ensured that the leather is subjected to uniform pressure, and therefore the thickness and quality of the calendered leather are more consistent, frequent adjustment and reworking can be avoided through accurate control over leather centering, and the production efficiency is improved. And the production stability and efficiency are improved.

This invention relates to the field of die bonding equipment technology, and more particularly to a universal die bonding device and hot-pressing method for chips with pressure regulation function. It includes a frame, on which a first intelligent moving platform is mounted for mounting a die disk. The die disk includes a plurality of uniformly distributed wafers. A fixed frame is fixedly connected within the frame, and an electric rotating shaft is mounted on the fixed frame. The electric rotating shaft is fixedly connected to a fixed slide rail, and a slider is mounted on the fixed slide rail. A swing arm is fixedly connected to the slider on the fixed slide rail. A sliding frame is slidably connected to the swing frame, and a heat-conducting plate is fixedly connected to the sliding frame. A heating element that contacts and engages with the heat-conducting plate is fixedly connected to the swing arm. This invention heats the wafer by contacting it with the heat-conducting plate, directly heating the contact surface between the wafer and the substrate, thereby more safely controlling the heating temperature of the wafer and reducing the probability of accidental wafer failure.

The utility model discloses a horn installation structure and an electronic device, the horn installation structure comprises a housing, the housing is provided with an installation groove, the groove bottom of the installation groove is provided with a sound outlet hole and a waterproof strip, the sound outlet hole penetrates through the groove bottom of the installation groove, the waterproof strip is arranged along the outer side of the sound outlet hole for a circle, and the waterproof strip is arranged on the outer side of the installation groove. The waterproof strip and the shell are integrally formed; and the loudspeaker is adaptively arranged in the mounting groove, the loudspeaker is provided with a clamping piece, a clamping part is arranged at a corresponding position of the shell, and when the clamping piece is adaptively clamped with the clamping part, the loudspeaker extrudes the waterproof strip, so that the loudspeaker is hermetically connected with the groove bottom of the mounting groove. According to the utility model, the required space is small, the waterproof effect is good, the assembly is simple, and the first pass yield of the production process is improved.

The utility model provides a kind of handle fixing device and bag making machine of bag making machine, pressing assembly includes pressing drive component, mounting component and a pair of pressing component, pressing drive component is set on the rack of bag making machine, the output end of pressing drive component is connected with mounting component, a pair of pressing component is spaced apart in first direction and is set to the side of mounting component towards base material, a pair of pressing component is integrated in same mounting component and is uniformly driven by pressing drive component, can drive a pair of pressing component along pressing direction synchronous displacement, the pressing force degree of two end portions of handle, pressing stroke keeps uniform and consistent;While common drive transmission structure can let a pair of pressing component keep similar wear degree and movement accuracy in long-term operation process, guarantee the adhesion and compaction quality of two end portions of handle and base material, to improve the finished product yield of bag making machine, guarantee bag making process continuous smooth operation, improve the processing quality of bag making machine.