100results about How to "Change thickness" patented technology

The utility model belongs to the technical field of feeding tools, and particularly relates to a semi-sealed constant feeder which comprises a blanking hopper, a transmission belt located at the bottom end of the blanking hopper, a plurality of rotating shafts located in the blanking hopper and close to the upper end and a material trowelling mechanism located in the blanking hopper and close to the bottom end. A material conveying opening is formed in one side of the discharging groove, the guide sliding block and the troweling plate are pushed to move between the two material limiting plates in a reciprocating mode through the driving device, materials falling onto the transmission belt from the interior of the falling hopper are troweled through the troweling plate moving in the reciprocating mode, and the materials are evenly conveyed out through the transmission belt. And the rotating screw rod drives the internal thread barrel to move up and down, so that the height of the material limiting plate and the height of the trowelling plate are adjusted, the thickness of the materials falling on the transmission belt is changed by adjusting the height of the material limiting plate and the height of the trowelling plate, and the technical problems proposed in the technical background are solved.

The present invention belongs to the technical field of silicon wafer processing, and in particular, relates to a thin-line single crystal silicon wafer cutting method and device, comprising the following steps: S1. fixing two ends of single crystal silicon on a workbench, the single crystal silicon is located below five groups of cutting lines, and the five groups of cutting lines are controlled to rotate by a motor 1 and a rotating shaft 1; S2. slowly moving the single crystal silicon upwards by raising the workbench, and the rotating five groups of cutting lines all cut the single crystal silicon, and the four cut single crystal silicon wafers are clamped by a clamping component; S3. after the five groups of cutting lines have completed cutting the single crystal silicon, the remaining single crystal silicon follows the workbench to descend to the initial position, the single crystal silicon wafer in the clamping component is taken out, and the five groups of cutting lines cut the single crystal silicon at the same time, and four single crystal silicon wafers can be cut out at one time by the five groups of cutting lines, with high cutting efficiency, and at the same time the clamping component clamps the single crystal silicon to prevent the single crystal silicon wafer from tilting or tipping over during cutting, resulting in uneven cutting of the single crystal silicon wafer or damage caused by secondary cutting.

The invention discloses an underwater vehicle head structure capable of slowly releasing a drag reducer, and belongs to the field of underwater drag reduction of vehicles. Comprising a head cone section and a head circular truncated cone section which are coaxially and fixedly connected, one end of the head circular truncated cone section is in sealed connection with the head cone section, a cavity structure for containing a drag reducer solution is arranged at the joint, and the other end of the head circular truncated cone section is in sealed connection with a navigation body middle section; the head cone section is a rotary body porous medium which is close to a cone, the cone vertex of the head cone section is a molded line stagnation point which forms a conical molded surface, the axial height at the stagnation point is the largest, and the axial thickness is in a change rule of gradually decreasing from the stagnation point to the edge of the bottom end. The defects that in the prior art, a drag reducer solution cannot evenly wrap the whole vehicle, and the integrity of a shell of the vehicle is greatly damaged when the drag reducer is released are overcome.

The utility model relates to the technical field of mechanical equipment, and provides a concrete paving distributor which comprises a working frame, two first fixing rods, two second fixing rods, a third fixing rod, a fourth fixing rod, a fifth fixing rod, a sixth fixing rod, a seventh fixing rod, a seventh fixing rod and a seventh fixing rod, the outer surface of the working frame is fixedly embedded with a stock bin, and the outer surfaces of the first fixing rods are movably sleeved with first incomplete gears. First connecting plates are fixedly connected to the outer surfaces of the two first incomplete gears, second incomplete gears are connected to the outer surfaces of the two first incomplete gears in a meshed mode, and second connecting plates are fixedly connected to the outer surfaces of the two second incomplete gears; arc-shaped plates are fixedly connected to the outer surfaces of the opposite sides of the two second connecting plates and the two first connecting plates correspondingly, so that the opening degree of the two arc-shaped plates can be changed through a hydraulic cylinder, then the concrete flow is changed, concrete piling is avoided, meanwhile, a push block can move up and down by rotating a handle, and the concrete flow can be changed. Therefore, the laying thickness of the concrete is changed, the labor intensity and the laying cost are reduced, and the laying efficiency is improved.

The invention relates to an automatic stainless steel composite plate production line and a production process thereof, and relates to the technical field of stainless steel composite plates. The device comprises an unwinding device, a cleaning device, a drying device, a glue compounding device and a cooling device which are arranged in sequence, the unwinding device is used for releasing stainless steel rolls and driving stainless steel plates to be conveyed in the direction of a cleaning device, the cleaning device is used for cleaning the stainless steel plates, and the drying device is used for drying the stainless steel plates; the glue compounding device is used for compounding a stainless steel plate and a glue compounding plate, the cooling device is used for cooling the stainless steel plate subjected to glue compounding, a conveying belt used for conveying the stainless steel plate is arranged between the drying device and the glue compounding device, a plurality of spray heads are connected to the conveying belt through a mounting frame, and an adjusting assembly is arranged on the mounting frame and connected with the spray heads. The nozzles are driven to be close to or far away from each other. The stainless steel plate glue coating device has the effects that stainless steel plates of different sizes can be coated with glue, and the applicability is better.

The utility model discloses a lower jaw lifting device for the anesthesiology department, and relates to the technical field of medical equipment, the technical scheme is that the lower jaw lifting device comprises a lifting assembly, a clamping assembly, a telescopic rod and an air bag, the lifting assembly is fixedly connected with the clamping assembly, the lifting assembly is in threaded connection with the telescopic rod, and a supporting plate is arranged at the end, away from the lifting assembly, of the telescopic rod; the supporting plate is fixedly connected with the air bag, an inflator is arranged at the end, away from the clamping assembly, of the lifting assembly, the output end of the inflator is connected with an inflation pipe, the inflation pipe is communicated with the air bag, the air bag comprises two side ends, a connecting end, an inclined end and a deformation end, the connecting end is fixedly connected with the supporting plate, and the thickness of the deformation end is smaller than that of the connecting end. The angle of the air bag can be adjusted, and the air bag has the effect of adjusting the lower jaw lifting angle of a patient.

The invention relates to the technical field of heat insulation glass, in particular to heat preservation and insulation type coated glass. Heat preservation and insulation type coated glass comprises a frame, the frame is fixedly connected with evenly-arranged guide rods, the sides, away from the frame, of the guide rods are slidably connected with sliding sleeves, the evenly-arranged sliding sleeves are jointly and fixedly connected with a movable frame, and an elastic piece is fixedly connected between the movable frame and the frame. First glass is installed on the side, away from the frame, of the movable frame, second glass is installed on the side, close to the first glass, of the frame, a first cavity is formed among the elastic piece, the first glass and the second glass, and the movable frame is rotationally connected with rotating rods arranged in a mirror image mode. The length of the first cavity in the front-back direction is changed by changing the distance between the frame and the movable frame, so that the thickness of the vacuum layer is changed, the length of a heat conduction path between indoor and outdoor is prolonged, and the heat insulation effect is improved.

This utility model discloses a scraper device with an elastic adjustment mechanism, including a toner cartridge, a fixing roller rotatably connected to the toner cartridge, a lifting block and a lifting plate slidably connected to the toner cartridge, a scraper body mounted on the lifting block, and the scraper body contacting the lower surface of the fixing roller when the lifting block rises; a first compression spring connects the lifting block and the lifting plate, and the pressure of the scraper body on the fixing roller changes when the distance between the lifting plate and the lifting block changes; a second slide rail is provided on the side wall of the lifting block, and a lifting groove is provided on the toner cartridge, with the lifting block slidably connected in the lifting groove via the second slide rail; support plates are provided at the bottom of both lifting blocks, and the support plates are connected to the lifting plate via the first compression spring; this utility model relates to the technical field of scraper devices; it can adjust the pressure of the scraper on the surface of the fixing roller in multiple levels according to different needs, thereby changing the thickness of the powder on the surface of the fixing roller.

The utility model relates to the technical field of medical instruments, and discloses an insertion tube and an endoscope, the endoscope comprises an operation part, and the insertion tube is provided with a first end close to the operation part of the endoscope and a second end far away from the operation part. Specifically, the insertion tube comprises an elastic layer and a coating layer coating the outer side of the elastic layer. Furthermore, the elastic layer is of a tubular structure, and the thickness of the elastic layer is gradually reduced from the first end to the second end. According to the insertion tube and the endoscope, the use reliability is improved, and the production and manufacturing cost is reduced.

The application discloses a kind of based on construction waste recycling's recycled aggregate preparation method, it is related to building material technical field, including the following steps: construction waste is broken to obtain preliminary aggregate, then separation is carried out by magnetic separation device, remove metal by magnetic separation, avoid subsequent processing equipment to cause damage to aggregate;Preliminary aggregate is broken again, then aggregate is ground and collides;Recycled aggregate is screened according to different particle sizes using vibrating screen, by screening recycled aggregate according to different particle sizes, it is convenient to classify and utilize as needed for different particle sizes of recycled aggregate, reduce waste, improve the market applicability of recycled aggregate;The application also removes metal in aggregate efficiently by the cooperation of magnetic separation device, so that the quality of recycled aggregate prepared by the method is higher.

A novel road and bridge safety guardrail comprises a fixed stand column, a lower mounting disc, a guide inserting column, a handrail, a sliding positioning plate, a spring, a rotating plate, a reinforcing plate, a rotating shaft and a limiting rotating plate, the lower portion of the fixed stand column is connected with the lower mounting disc, the sliding positioning plate is matched with the fixed stand column, the sliding positioning plate is inserted into the fixed stand column, and the sliding positioning plate slides in the fixed stand column. The sliding positioning plates are provided with guide column insertion holes, the guide insertion columns are matched with the guide column insertion holes, the guide insertion columns are inserted into the guide column insertion holes and slide in the guide column insertion holes, the two ends of the guide insertion columns are connected with the fixed stand columns, the guide insertion columns are distributed up and down, the sliding positioning plates are symmetrically arranged in the fixed stand columns, and the guide insertion columns are sleeved with the springs. The two ends of the spring abut against the symmetrical sliding positioning plates, and positioning plate upper plates are arranged on the upper portions of the sliding positioning plates and aligned with the upper surfaces of the fixing stand columns.

The invention relates to the technical field of cover tape gluing, in particular to heat-sealing type cover tape gluing equipment and a heat-sealing type cover tape gluing process. Comprising a machine body, and a rotating rod is rotationally connected into the machine body; a gluing barrel is fixedly mounted on the surface of the rotating rod; a belt inlet is formed in one side of the machine body; a mounting frame is arranged above the gluing barrel; through the arrangement of the adjusting plate and the barrier plate, the adjusting plate can adjust the width of the extrusion opening so as to change the thickness of a hot-sealing adhesive extruded from the extrusion opening; the situation that the uniformity and quality of coating are affected due to adjustment of the flow speed and the pressure is avoided, the thickness adjustment is more accurate, and the response is faster; through the arrangement of a blocking plate, the blocking plate can drive a blocking piece to shield the length direction of an extrusion opening, so that the extrusion length of the hot-sealing adhesive is controlled, the hot-sealing adhesive can be accurately coated on cover tapes with different widths, waste caused by extrusion of the hot-sealing adhesive in redundant areas is avoided, and the production cost is further reduced; and the practicability of the method is effectively improved.

The utility model belongs to the technical field of machinery, and discloses an intermittent glue adding device which comprises a base, a driving device, a medium coating part and a medium conveying device, the driving device comprises a driving piece, and the driving piece is installed on the base; the medium coating part comprises a driving device and a driven device; the driving device comprises a driving shaft, a main transmission wheel and a driving roller, the driving shaft is connected with the driving piece, the driving roller and the main transmission wheel are installed on the driving shaft, and the driving roller is provided with at least one coating surface and at least one groove; the driven device comprises a driven shaft, a driven transmission wheel and a driven roller, the driven shaft is installed on the base, the driven transmission wheel and the driven roller are installed on the base, the driven transmission wheel is meshed with the main transmission wheel, and at least one conveying groove is formed in the driven roller; the device can be used for composite filter sticks of various specifications, can avoid gluing of cavity parts, is simple in structure, and improves the production efficiency.

The utility model relates to the related technical field of mulching film structures, and discloses an adjustable locally thickened mulching film, which comprises a mulching film group, the mulching film group comprises a first film and a second film which are distributed at an interval, and an inflatable layer with adjustable thickness is formed between the first film and the second film. According to the utility model, the first film and the second film in the mulching film group are combined to form an inflatable layer, and the purpose of locally sealing the inflatable layer can be achieved through the adsorption of the magnetic attraction piece, so that the purpose of locally thickening the inflatable layer is achieved by inflating the inflatable piece, and the service life of the inflatable layer is prolonged. The thickness of the mulching film group is changed, and the position of the sealed inflatable layer can be adjusted and changed according to mutual adsorption of different first magnetic blocks and second magnetic blocks, so that the purpose of local thickening is achieved, and the practicability of the mulching film is greatly improved while convenience and rapidness are achieved.

The invention relates to a carbon fiber reinforced resin-based composite corrugated sandwich pipe structure and a forming process, and relates to the field of composites.The carbon fiber reinforced resin-based composite corrugated sandwich pipe structure comprises an inner pipe, a corrugated pipe, a filling layer, an outer pipe and reinforcing rings, the corrugated pipe with the corrugated cross section is bonded outside the inner pipe, the outer pipe is bonded outside the corrugated pipe, the filling layer is injected into the space between the corrugated pipe and the outer pipe, and the reinforcing rings are arranged on the outer pipe. The corrugated pipe is divided into multiple sections in the length direction of the pipeline, and the reinforcing rings are bonded between every two adjacent corrugated pipe sections and fixedly connected with the inner pipe and the outer pipe. The high-rigidity corrugated sandwich pipe has the advantage that the high-rigidity corrugated sandwich pipe is low in forming difficulty.

A method of molding a sandwich panel according to an embodiment of the present invention includes a step of providing, on one or both surfaces of an (a) core material, a prepreg or the prepreg and an adhesive as a (b) skin material. The (a) core material is a super engineering plastic foam having a Tg of greater than 200°C. The (b) skin material contains: a (b-1) epoxy resin having an average molecular weight of 1300 or more or having a trishydroxymethane-type or cresol novolac-type structure and containing, in a total epoxy resin, an amount of 70 to 100 mass% of an epoxy resin that is semi-solid or solid; a (b-2) epoxy resin containing, in the total epoxy resin, an amount of 0 to 30 mass% of an epoxy resin that is liquid; and a (b-3) curing agent.

The utility model provides an equal-thickness pet food dicing machine, and relates to the technical field of food dicing. The equal-thickness pet food dicer comprises a cutting and discharging table and a cutter, the cutter is located above the cutting and discharging table, a bent frame is arranged above the cutter, the bent frame and the cutter are connected through a power telescopic rod, the upper surface of the bent frame is fixedly connected with a groove long plate, the upper surface of the groove long plate is meshed with an elastic shifting plate, and the elastic shifting plate is fixedly connected with the bent frame. A meshing plate is fixedly connected to the upper end of the elastic shifting plate, two threaded rods penetrate through the right side face of the meshing plate in a threaded mode, the left ends and the right ends of the threaded rods are rotationally sleeved with the left ends and the right ends of the cutting discharging table correspondingly, movable plates are arranged on the front side and the rear side of the bent frame correspondingly, and a bent frame is arranged above the cutting discharging table. According to the equal-thickness pet food dicer, by arranging a push rod, a groove long plate, an elastic shifting plate and a groove rod, when a cutter ascends to the maximum height every time, the cutter moves by the same distance every time, and the cut thickness is the same when the cutter conducts downward cutting.

The permanent magnet motor comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a rectangular shell, the inner side of the rectangular shell is fixedly connected with a motor body, the center of the front end of the motor body is provided with a motor output shaft, and the front end of the motor output shaft is fixedly connected with a small gear. The upper end of the small gear is in meshed connection with a large gear, a transmission shaft is arranged in the center of the large gear, a bearing at the rear end of the transmission shaft is connected with a triangular bearing fixing seat, stable placement of the transmission shaft can be guaranteed through the arranged triangular bearing fixing seat, and normal transmission of the transmission shaft can be guaranteed through meshed connection of the small gear and the large gear. The change of the size of the motor output shaft in the permanent magnet motor needs to change the size of the internal structure of the motor body so as to realize general adaptability.

The invention relates to a preparation method of a matching layer of an ultrasonic sensor, which is characterized in that when the matching layer of the ultrasonic sensor is manufactured, the matching layer is directly formed on the surface of a piezoelectric wafer, the thickness of the matching layer can be conveniently changed, and the application effect of the matching layers with different thicknesses can be tested, so that the optimal sound matching performance can be obtained. The matching layer mixture is formed by adding a filler into epoxy resin glue, the filler is metal powder, and the ratio of the epoxy resin to the metal powder is 1: 0.5.

This utility model belongs to the field of medical supplies, specifically relating to a device for supporting the elbow. It includes a housing, a track, a sponge pad, and movable wheels. The track is fixedly mounted on the housing, near its end. The track is divided into two sections, perpendicularly connected at an arc-shaped joint. Movable wheels are mounted on the sponge pad and roll along the track. This device uses a rotatable sponge pad to support the patient's elbow, preventing discomfort caused by lack of support when lying flat. When not lying flat, the device can be moved to one side of the arm without affecting normal activity.

The invention provides a soft magnetic ferrite crushing and screening device, and relates to the technical field of soft magnetic ferrite crushing and screening. The device comprises a body, the upper surface of the body is fixedly connected with a funnel, the funnel communicates with the interior of the body, the lower surface of the body is fixedly connected with a supporting column, and the right side surface of the body is fixedly connected with a shell. The crushing device is arranged to crush large magnetic blocks to facilitate subsequent secondary crushing, the adjusting device is arranged to adjust the distance of the grinding roller so as to change the thickness degree of secondary crushing, and the grinding machine does not need to be replaced when powder with different thicknesses is needed by matching with the replaceable sieve plate, so that the operation is more convenient; the anti-blocking device is arranged to clean the holes in the sieve plate to prevent large fragments from blocking the sieve holes to reduce the sieving efficiency, and meanwhile, the situation that fine powder is not prone to flowing to block the holes is also prevented, so that the sieving efficiency is improved.

A mechanical winding device for sewing machine, comprising an electric motor, a swing arm, a rotating shaft, a housing, a mounting bracket, a cover, a switch, a cam, a tension spring and a push rod, the cover and the housing cooperate to form a mounting cavity, the electric motor and the mounting bracket are installed in the mounting cavity and protected by the cover, the switch, the cam, the tension spring and the push rod are installed on the mounting bracket, one end of the push rod is located between the cam and the switch, the cam is connected with a transmission shaft, the transmission shaft is connected with the swing arm through the cover, and the rotating shaft is connected with the electric motor through the cover; when winding, the swing arm drives the cam to rotate to drive the push rod to turn on the switch to start the electric motor to wind, the increased thread pushes the swing arm to drive the cam to rotate, when reaching the set winding thickness, the relief surface on the cam makes the push rod be pulled open under the action of the tension spring to turn off the switch to shut down the electric motor; the mechanical winding device is beneficial to prevent pollution and has good winding consistency; a sewing machine adopting the winding device is also proposed.

The invention provides an intelligent control quantifying device of an intelligent paper tube forming machine, and relates to the field of paper tube forming control quantifying, the intelligent control quantifying device comprises a base, a back plate is fixedly mounted on the outer wall of the base, a paper winding assembly is arranged on the outer wall of the back plate, and the paper winding assembly comprises a paper winding roller fixedly mounted on the outer wall of the back plate; a driving roller is rotationally installed in the base, a stretching belt is spirally wound around the outer walls of the paper winding roller and the driving roller, and the two ends of the stretching belt are fixedly connected. The detection assembly is arranged to detect the thickness of the paper tube by utilizing the fact that the outer wall of the round roller can make contact with the paper tube and whether the paper tube makes eccentric rotation after making contact with the round roller or not, and meanwhile the adjusting assembly can be controlled to change the included angle between the assembling frame and the paper winding roller, so that the thickness of the paper tube reaches the preset thickness; various sensors and electronic equipment do not need to be matched, accurate control over the forming thickness and the cutting length of the paper tube is achieved through a mechanical structure, and the accuracy of the quantifying device is improved while the cost is reduced.

The present invention discloses an automatic assembly device for a data expansion dock in the technical field of expansion docks, comprising four adjustment plates, wherein the four adjustment plates form a U-shape and the four adjustment plates can slide relative to each other. When producing and assembling the data expansion dock, the present invention uses a clamping plate to clamp a circuit board, and multiple clamping plates can be combined together, which is beneficial for fixing multiple clamping plates, so that the gap between the shell and the circuit board can be filled when the subsequent clamping plates are moved to the inside of the shell and the circuit board. The clamping plates fixed as a whole can ensure that the gap is completely filled, and a detection rod and a toggle rod can adjust the number of clamping plates combined according to the size of the shell, which is beneficial for automatically detecting the size of the gap between the circuit board and the shell, thereby changing the thickness of the clamping plates combined together, ensuring that the clamping plates combined together can fill the gap, and avoiding different sizes of the gaps between the circuit board and the shell.

The invention belongs to the technical field of phthalic anhydride processing, and particularly relates to a phthalic anhydride slicing device, comprising a bracket one, a roller rotatably connected to the bracket one, a material trough being arranged between the bracket one and the roller, a shell being arranged outside the roller, the shell being fixedly connected to the bracket one, a knife holder being arranged inside the shell, the upper end of the knife holder being rotatably connected to a movable plate sliding on the shell, the lower end of the knife holder being slidably connected to a limiting rod fixed inside the shell, the movable plate being threadedly connected to a screw rod two, the screw rod two being rotatably connected to a fixed plate fixed on an outer wall of the shell, a phosphor bronze blade being fixed on the knife holder, the movable plate being driven to slide on the shell by rotating the screw rod two, the upper end of the knife holder being driven to move, the lower end of the knife holder being driven to slide with the limiting rod, thereby changing the angle between the knife holder and the roller, thereby changing the cutting angle between the phosphor bronze blade and the roller and the distance between the blade part of the phosphor bronze blade and the roller, thereby changing the thickness of the cut phthalic anhydride, and the device can be adjusted according to actual production needs.

This utility model relates to the field of building structure construction technology, specifically a novel leveling and plastering device. It includes: a leveling frame for leveling cement mortar on a wall surface; at least two support components, each support component located inside the leveling frame and extending from the side closest to the wall, abutting against the wall to create a gap between the plastering frame and the wall, and the extension length of each support component is adjustable; and a handle located on the side of the leveling frame away from the wall. Beneficial effects: By setting support components on the plastering frame, allowing the support components to extend from one side of the plastering frame and abut against the wall, a certain distance is maintained between the plastering frame and the wall, thus enabling overall leveling of the cement mortar on the wall surface.

The invention relates to the technical field of sensors, and discloses a dual Fano resonance sensor and a detection and optimization method, the dual Fano resonance sensor comprises an optical coupling prism, a silicon dioxide grating structure layer, a graphene layer, a liquid sensing medium area, a first aluminum nitride waveguide layer, a perfluororesin waveguide layer, a second aluminum nitride waveguide layer and a gas sensing medium area; the silicon dioxide grating structure layer is attached to the bottom surface of the optical coupling prism, and the graphene layer is attached to the lower surface of the silicon dioxide grating structure layer; the liquid sensing medium area is located between the graphene layer and the first aluminum nitride waveguide layer; the gas sensing medium area is positioned below the second aluminum nitride waveguide layer; when a transverse magnetic wave is incident through the optical coupling prism, two independent Fano formants can be simultaneously excited in a reflection spectrum, a first Fano formant coupled with the liquid sensing medium area is used for detecting a liquid medium, and a second Fano formant coupled with the gas sensing medium area is used for detecting a gas medium.

The utility model discloses a drainage tube capable of avoiding loosening, which belongs to the field of drainage tubes and comprises a drainage tube body, one end of the drainage tube body is fixedly connected with a drainage bag, an adhesive mechanism is movably mounted on the drainage tube body, and the adhesive mechanism comprises a silica gel sleeve, a silica gel pad, a medical adhesive tape, a connecting sleeve, a first limiting head, a silica gel strip, a movable limiting head and a hanging rope. The adhesive mechanism and the medical adhesive tape are arranged on the silica gel pads, the silica gel pads are connected together through the silica gel strips, and therefore the silica gel pads are combined together, the overall thickness of the portion, below the silica gel pads, of the medical adhesive tape is changed, the adhesion effect between the medical adhesive tape and the skin is better, the drainage tube body is sleeved with the medical adhesive tape through the silica gel sleeve, and therefore the drainage tube body is not prone to falling off. The angle can be movably adjusted, using is more flexible, after the arranged connecting mechanism, the second connector and the first connector are rotationally installed, a limiting ball is clamped into an arc-shaped groove, the second connector and the first connector are fixedly connected, and the connecting structure is more stable.

The utility model discloses an automobile flywheel cold extrusion hydraulic press with a fine adjustment function, which comprises a base, first electric control telescopic rods are vertically and fixedly connected to two sides of the outer edge of the upper surface of the base, and a first device block is fixedly connected between the top ends of piston rods of the first electric control telescopic rods. According to the automobile flywheel cold extrusion hydraulic machine with the fine adjustment function, by arranging a lower die pressing ring and a height adjusting structure, when the device is actually used, after a blank is placed in a die groove, an upper extrusion structure is controlled to operate, and then an upper die pressing ring can be driven to descend; then the blank is subjected to extrusion forming under the combined action of the upper die pressing ring, the die groove, the die center column and the lower die pressing ring, the horizontal position of the top end of the lower die pressing ring of the device can be adjusted through a height adjusting structure, and the overall thickness of a final product can be changed; and a final product can be finely adjusted under the condition that the mold does not need to be replaced, so that the practicability of the device is improved.