1260 results about "Hot stamping" patented technology

The utility model provides a manual hot stamping mechanism which comprises a working table, an unwinding roller, a winding roller and a hot stamping assembly, the hot stamping assembly is located between the unwinding roller and the winding roller, the unwinding roller and the winding roller are both rotationally connected to the working table, and the manual hot stamping mechanism further comprises a conveying belt. The two ends of the workbench are rotationally connected with a first conveying roller and a second conveying roller correspondingly, the conveying belt is tensioned through the first conveying roller and the second conveying roller, the workbench is fixedly connected with a supporting plate, and the supporting plate supports the conveying belt and is located between the conveying belt and the hot stamping assembly. The purpose of conveniently guiding the license plate out of the workbench is achieved.

This automotive rear module is an automotive rear module for reinforcing the side outer of an automobile, which is formed by hot stamping a plurality of integrated steel plates. When viewed from the vertical direction of the reference plane, the projected area is S (m 2 ), among the components of the automotive rear module, the total weight of the components is W (kg), and the total weight of the steel components with a plate thickness of 1.5 mm or less and a minimum Vickers hardness of HV230 or more is W A . When, W / S is 24 or less, and W A / W is 0.30 or more.

The invention discloses cold stamping equipment capable of achieving repeated utilization of a gold stamping film and a control method thereof.The cold stamping equipment comprises a mounting frame, and the mounting frame is provided with an unwinding device, a winding device, a first conveying part, a hot stamping assembly, a second conveying assembly, a backing material conveying assembly, a glue spraying device and an electric control device; the second conveying assembly comprises a hot stamping film conveying roller and a backing material conveying roller, the hot stamping assembly comprises a hot stamping roller and a supporting roller which rotate synchronously, and the hot stamping machine is characterized by further comprising a tension sensor, a first color code electric eye and a second color code electric eye, and the first color code electric eye is fixed to the mounting frame and corresponds to a backing material; the tension sensor is arranged between the first conveying piece and the hot stamping roller, and the second color code electric eye is fixed to the mounting frame and corresponds to the hot stamping film; according to the cold stamping equipment, the tension applied to the gold stamping film before hot stamping can be adjusted, so that the gold stamping film corresponds to the position of a pattern to be printed on the backing material.

The invention discloses a carbon fiber bicycle hub coating-free hot stamping device and a coating-free hot stamping process, and belongs to the field of hub coating-free hot stamping, the carbon fiber bicycle hub coating-free hot stamping device comprises a working table, a mounting plane is arranged on the working table, a feeding table for bearing a carbon fiber bicycle hub is detachably arranged on the working table, and the feeding table is provided with a discharging port for discharging the carbon fiber bicycle hub. A baffle is detachably arranged on the feeding table. According to the coating-free hot stamping device and the coating-free hot stamping process for the carbon fiber bicycle hub, through combination of the follow-up blowing component and the follow-up inserting component, hot stamping operation on the carbon fiber bicycle hub can be effectively and synergistically assisted, so that when the hot stamping component conducts hot stamping on the carbon fiber bicycle hub, the carbon fiber bicycle hub is prevented from being damaged, and the carbon fiber bicycle hub is prevented from being damaged. The situation that the follow-up air blowing component and the follow-up inserting component are used at the same time when the hot stamping component moves downwards is avoided, the stability of hot stamping is improved, the follow-up air blowing component and the follow-up inserting component can be promoted to be used at the same time every time the hot stamping component moves downwards, and the overall maintenance difficulty of equipment is lowered.

The present invention discloses an automatic hot stamping processing device and process for cigarette case wrapping paper, relating to the technical field of hot stamping equipment. An automatic hot stamping processing device for cigarette case wrapping paper is included, which comprises a machine table frame and a hot stamping machine body. The hot stamping machine body is controlled to lift through an externally connected hydraulic cylinder. It further includes: an automatic hot stamping structure, which is arranged on the machine table frame and is used for automatically hot stamping the cigarette case wrapping paper; a positioning component, which is arranged on the automatic hot stamping structure and is used for preventing the cigarette case wrapping paper from moving after hot stamping. Among them, the automatic hot stamping structure includes a transport frame, which is arranged in the middle of the machine table frame. A conveyor belt is arranged inside the transport frame. A first winding machine and a second winding machine are arranged on one side of the machine table frame. A driving roller and a first round roller are rotatably connected to one side of the machine table frame. By separating the metal foil from the cigarette case wrapping paper when positioning the cigarette case wrapping paper, wrinkles on the cigarette case wrapping paper are avoided.

The invention relates to an automobile exterior hot stamping film and a weather resistance testing device thereof, and relates to the technical field of functional decorative films. The automobile exterior hot stamping film comprises a carrier layer, a high-weather-resistance coating, a bottom coating, a decorative layer and a transfer printing bonding layer, the weather resistance testing device for the automobile exterior hot stamping film comprises a portable testing box, a detection opening is formed in one side of the portable testing box, and a clamping device is arranged at the detection opening; a detection module is further arranged in the portable test box, and a cutting knife and an adhesion plate are arranged in the portable test box; the automobile exterior hot stamping film has excellent weather resistance and chemical resistance; the detection module can detect the adhesiveness of the automobile exterior hot stamping film, greatly improves the accuracy of weather resistance detection of the automobile exterior hot stamping film under the guarantee of multiple detection modes, can detect the adhesiveness of the automobile exterior hot stamping film on the surfaces of automobile shells made of different materials and painted surfaces, and improves the detection accuracy of the weather resistance of the automobile exterior hot stamping film. And the applicability of the device is greatly improved.

The invention provides a springback control method for a tailor-welded material stamping part. The springback control method comprises the steps that firstly, the stamping springback amount of tailor-welded materials is reduced in a hot stamping mode; and secondly, a partitioning die is adopted for first-time stamping and last-time stamping, namely stamping with the maximum deformation and final fine trimming stamping, adaptive adjustment of the optimal stamping temperature, stamping force and stamping speed is conducted on different plates made of tailor-welded materials, then the stamping precision of the tailor-welded materials is improved, and springback is further reduced.

The present invention relates to the technical field of hot stamping defect detection, and specifically to a hot stamping defect visual detection system for a PUR hot stamping roller machine. The present invention performs visual defect detection by applying a certain stretch to the knitted fabric after the hot stamping process and collecting the hot stamping area image after the stretching; it includes extracting the hot stamping pattern through an image processing module, using a defect recognition and analysis module to analyze the integrity, uniformity, position deviation and adhesion of the hot stamping pattern on the knitted fabric, and then evaluating the degree of hot stamping defects with the help of predetermined rules and thresholds. The present invention also analyzes the correlation between defects and working parameters, and adjusts the hot stamping processing parameters of the PUR hot stamping roller machine accordingly; it also summarizes the detection data and analysis results and transmits them to a display device for reference and judgment by professionals. In view of the particularity of knitted fabrics as hot stamping objects, the present invention improves the hot stamping defect detection effect and efficiency of the PUR hot stamping roller machine by defect evaluation from multiple angles.

The invention relates to the technical field of hot stamping equipment, and discloses a digital plane and curved surface dual-purpose image-text hot stamping machine system for the surface of a cylindrical product, which comprises a modular structural design, a dual-mode positioning system and a digital control unit, the self-adaptive hot stamping head adopts a flexible stamping module driven by air pressure and hydraulic pressure, and the dual-mode positioning system comprises a plane mode and a curved surface mode. According to the hot stamping machine system, a self-adaptive hot stamping head adopts a pneumatic / hydraulic driven flexible stamping module, a pressure sensor array is arranged in the self-adaptive hot stamping head to adjust local pressure in real time, a dual-mode positioning system is adopted, a vacuum adsorption platform is adopted in a plane mode, a curved-surface mode programmable rotary clamp is adopted, 0-300 rpm stepless speed regulation is supported, a dual-mode hot stamping mechanism is initiated, and the self-adaptive hot stamping head is applied to the hot stamping machine system. The plane / curved surface mode is switched within 10 seconds through the quick-change interface, the hot stamping track is adjusted in real time based on workpiece three-dimensional scanning data, and the waste film recovery rate is increased to 95% or above through the environment-friendly hot stamping film recovery system.

The invention discloses a 1300MPa-grade thick-specification hot stamping plate with excellent corrosion resistance and a manufacturing method of the 1300MPa-grade thick-specification hot stamping plate. The hot stamping plate comprises the following chemical components in percentage by mass: 0.12%-0.16% of C, 0.10%-0.30% of Si, 1.00%-1.50% of Mn, less than or equal to 0.015% of P, less than or equal to 0.004% of S, 0.02%-0.06% of Als, 0.02%-0.05% of Nb, 1.0%-2.50% of Cr, 0-0.30% of Cu, 0-0.30% of Ni, less than or equal to 0.005% of N and the balance of Fe and inevitable impurities. The tensile strength is larger than or equal to 1300 MPa, the yield strength is larger than or equal to 900 MPa, the ductility is 12%-20%, the impact energy at the temperature of-20 DEG C is larger than or equal to 70 J, the corrosion rate is smaller than or equal to 0.62 g / (m < 2 >. H), the requirements for the thick specification, good corrosion resistance and the remarkable lightweight effect needed by commercial vehicles are met, and very good application prospects are achieved.

The invention relates to the technical field of battery processing devices, in particular to a lithium ion battery folding, ironing and shaping all-in-one machine and a battery folding, ironing and shaping method.The lithium ion battery folding, ironing and shaping all-in-one machine comprises a clamp module, a positioning module and a hot ironing module, the clamp module comprises a clamping component and a first guide rail, and the clamping component is slidably installed on the first guide rail; the positioning module comprises two positioning mechanisms, each positioning mechanism comprises a positioning assembly, a third driving part and a second guide rail, the positioning assemblies are slidably mounted on the second guide rails, and each positioning assembly is provided with a positioning surface; the hot ironing module comprises two hot ironing mechanisms, each hot ironing mechanism comprises a hot ironing part, a fourth driving part and a third guide rail, the hot ironing parts are slidably mounted on the third guide rails, and the hot ironing parts are provided with positioning grooves matched with the batteries. The all-in-one machine is suitable for edge folding and shaping of special-shaped batteries such as arc-shaped batteries, integrates multiple procedures of edge folding, edge ironing and shaping, reduces the waiting time for material transferring and positioning among multiple devices in a traditional production line, shortens the production cycle and avoids pole group deviation.

The present invention includes a step of cutting a plated steel sheet having a plating layer formed on at least one surface of a base material to form a blank, and a step of heating the blank in a heating furnace having a plurality of sections with different temperature ranges. The step of heating the blank includes a multi-stage heating step of heating the blank step by step, and a soaking heating step of heating the multi-stage heated blank at a temperature of Ac1 to 910 °C. The temperature (a n ) of the soaking heating step and the total heating time (b n ) of the step of heating the blank satisfy the following relational expression, and a method for manufacturing a hot stamping part is provided. (Relational expression) 62 ≦ 91.81 + K - 0.022 × a n - 0.23 × b n (In the above relational expression, K is a material correction coefficient).

The invention relates to a high-corrosion-resistance and heat-resistance hot-dip galvanized alloy hot stamping steel component and a preparation method, and belongs to the technical field of component production. The hot stamping steel component comprises a steel base body and a plating layer attached to at least part of the surface of the steel base body. Wherein the steel matrix comprises the following chemical components in percentage by mass: 0.15%-0.35% of C, 0.1%-0.4% of Si, 2%-5% of Mn, less than or equal to 0.05% of P, less than or equal to 0.05% of S, 0.05%-0.2% of Al, 0.05%-0.2% of V, 0.05%-0.1% of Ti, less than or equal to 0.05% of N, 0.001%-0.004% of B and the balance of Fe and inevitable impurities; the plating layer comprises the following chemical components in percentage by mass: 5%-50% of Al, 0.5%-2% of Fe, 0.1%-5% of Si and the balance of Zn and inevitable impurities. Elements Al, Si and Fe are added into a zinc-based coating to form a metal inhibition layer, the inhibition layer cannot disappear in the hot stamping heating process, cracks can be inhibited from extending into a substrate in the stamping process, and therefore the problem of liquid metal embrittlement (LME) is effectively solved.

The invention discloses a hot stamping die, and particularly relates to a local quenching adjustable splicing type hot stamping die which comprises a male die and a female die, and the female die adopts a splicing type structural design and comprises a first insert provided with a cooling water channel; the insert II is also provided with a cooling water channel; the third insert is provided with a heating channel, and an electric heating rod or a heat conduction rod penetrates into the heating channel; wherein the first insert, the second insert and the third insert are alternately inlaid on the female die; moreover, when the first insert or the third insert is embedded in the female die, a pit area is formed between the inner wall of the first insert or the third insert and the forming face through the height difference. When the second insert is embedded in the female die, the inner wall of the second insert is flush with the forming face. The technical problem of improving the local quenching adjustable performance of the hot stamping die is solved, so that new requirements of different materials / parts or follow-up process parameter adjustment on regional mechanical property distribution of hot stamping parts are better met.

The embodiment of the invention provides a plate structure, a preparation method thereof and electronic equipment, and relates to the field of electronic equipment. The plate structure comprises a plate body and a boss which are connected into an integrally-formed piece, and the plate body is provided with a stepped hole. At least part of the second hole section of the stepped hole is formed in the boss and penetrates through the boss; the circumferential surface of the first hole section of the stepped hole and the first surface of the plate body are in smooth transition through a chamfer, and the radius of the chamfer is smaller than or equal to 0.3 mm; and the minimum distance from the peripheral surface of the first hole section to the surface, deviating from the plate body, of the boss is greater than or equal to 0.3 mm. The plate structure is formed by hot stamping a plate base material on a base, and the base is provided with an abutting face and a conical face which face the plate base material. The distance between the stamping part and the abutting face is 0.6-0.8 time of the thickness of the plate body. The plate structure has the advantages of being attractive in appearance and good in mechanical performance.

The invention provides a delayed cracking resistant 1800MPa level zinc-based coated steel plate, which comprises a substrate and a coating, the substrate comprises the following components in percentage by weight: 0.25%-0.35% of C, 0.15%-0.45% of Si, 1.50%-2.50% of Mn, less than or equal to 0.02% of P, less than or equal to 0.02% of S, 0.03%-1.50% of Al, 0.02%-0.10% of Nb, 0.02%-0.10% of Ti, less than or equal to 0.20% of V, less than or equal to 0.005% of B, 0.15%-0.60% of Cr, and Fe and other inevitable impurities; and the plating layer comprises the following components in percentage by mass: 0.15%-3.50% of Al and the balance of Zn. The invention further provides a manufacturing method of the delayed-cracking-resistant 1800MPa-grade zinc-based coated steel plate. The manufacturing method comprises the steps of smelting, casting, hot rolling and hot dipping. The invention further discloses a hot stamping method of the delayed-cracking-resistant 1800MPa-grade zinc-based coating steel plate. The hot stamping method comprises the steps of steel plate heating, steel plate cooling and hot stamping. According to the hot stamping forming part produced through the method, the strength of the steel plate is larger than 1800 MPa, the elongation is larger than 6%, and the steel plate subjected to hot stamping can meet the requirement that the steel plate does not crack after being bent for 120 hours at four points.

The invention relates to the technical field of mechanical property testing of metal materials, and provides an unsteady-state in-situ high-temperature forming property testing device and method. A punch constant strain rate loading model is arranged in the device, the punch moving speed is adjusted in real time to realize punch constant strain rate loading, and the rheological behavior of a constant strain rate sensitive material in a complex stress state is accurately tested; a rapid cooling system is arranged, so that accurate simulation of complex unsteady-state forming processes such as actual hot stamping and warm forming is realized, and the unsteady-state in-situ high-temperature forming performance of the material is obtained; in combination with a DIC dynamic strain measurement technology, a strain field and deformation force are collected in real time in a plate high-temperature plane stress bulging test, and local necking strain and main strain and secondary strain change paths are determined. According to the method, the reliability of researching macroscopic rheological behaviors such as strain field distribution, flow behavior, hardening mechanism, forming limit and fracture limit of the plate in a complex stress state can be remarkably improved.

The utility model discloses a gold stamping machine alumite powder blowing device which comprises lugs, swing plates and a blowing device, the two lugs are respectively provided with the swing plates, and the two ends of the blowing device are respectively installed on the two swing plates. The blowing device comprises a gas collecting pipe and a plurality of gas taps mounted at intervals in the axial direction of the gas collecting pipe, and a gas inlet pipe opening is further formed in the gas collecting pipe. The lug seat is used for being installed on a framework above the paper outlet position of a gilding unit of the gilding press, the swing plate is installed on the lug seat and used for adjusting the blowing distance of the blowing device, compressed air enters the air collecting pipe through the air pipe, and the compressed air in the air collecting pipe is blown out from the air nozzle. In the production process, alumite powder attached to printing paper is purged.

The invention provides a preparation method and device of a corrosion-resistant hot stamping part. The preparation method comprises the following steps that a bare board is blanked into a blank in a preset shape; the blank is fed into a heating furnace to be heated, so that the blank is austenitized; the austenitized blank is put into a die to be stamped, and the blank is formed into a part; carrying out surface pretreatment on the formed part to obtain a to-be-plated part; and the obtained to-be-plated part is evaporated for less than 30 min, so that a zinc plating layer or a zinc alloy layer with the thickness larger than 3 microns is formed on the surface of the to-be-plated part. According to the preparation method of the corrosion-resistant hot stamping part, the zinc coating or the zinc alloy layer is rapidly applied through the evaporation process, the hydrogen embrittlement risk does not exist in the coating forming process, tempering dehydrogenation treatment is not needed, and the prepared hot stamping part has excellent corrosion resistance.

A thermoforming method for a high-strength steel part. A hot stamping die comprises an upper die (1) and a lower die (2); the lower die is located in a water tank (3); the water tank is used for containing hot water above 60°C; during use, the lower die is partially or completely immersed in hot water; the lower die is provided with at least two sheet supports; each sheet support comprises a fixed rod (7) vertically fixed on the bottom surface of the water tank; the upper end of the fixed rod is rotatably connected to a cross beam (8) by means of a rotating shaft (9); one ends of the cross beams of the sheet supports cooperate with each other to support sheets, and the other ends of the cross beams are rotatably connected to the upper ends of pull rods (10); the lower ends of the pull rods are connected to the fixed rods by means of springs (11); and in an initial state, the height of the cross beams is greater than the liquid level of hot water. Further provided is a low-melting-point coating part with a low micro-crack depth. The low-melting-point coating part comprises a substrate and a low-melting-point coating located on the surface of the substrate; the low-melting-point coating part is formed by hot stamping; micro-cracks are generated in the substrate and the low-melting-point coating in the forming process; and most of the micro-cracks extending from the low-melting-point coating to the substrate are located at concave fillet tangent points of the low-melting-point coating part, and a small part of the micro-cracks extending from the low-melting-point coating to the substrate are located at positions other than the concave fillet tangent points of the low-melting-point coating part. Further provided are a thermoforming method for the low-melting-point coating part, a hot bath edge cutting device for the high-strength steel part, and a method for using the hot bath edge cutting device. According to the thermoforming method, in the direct forming process, the micro-crack expansion process of the low-melting-point coating and the substrate is effectively inhibited, the service life of the low-melting-point coating part is ensured, and excellent corrosion resistance is shown.

The present invention relates to the technical field of hot stamping steel. Disclosed is a soaking-type stamping method and apparatus for hot-formed steel, comprising the following steps: step 1: transporting a prepared blank into a furnace chamber for austenitizing heating, the blank being made of a hot-formed steel material; and step 2: immersing a lower forming punch into a liquid medium within a tank assembly, and placing the heated blank onto a material support frame by means of a loading manipulator, the tank assembly being internally provided with the liquid medium. A soaking-type stamping method is used in the present invention, which, compared to the direct hot-forming method in the prior art, optimizes the structure of a mold, reduces the machining of water channels in hot stamping devices of the prior art, and shortens the processing cycle and reduces costs while broadening the applicable range of materials, solving the issue of oxide scale on uncoated plates and the lime problem of galvanized steel plates, and having low investment costs and being easily controlled for automation.

The present disclosure provides a hot stamping part including: a base material; a decarburization layer located on the base material; and an inner oxide layer located on the decarburization layer, wherein the hot stamping part has a tensile strength (TS) of 1680 MPa to 2000 MPa, and a hardness of the hot stamping part within a depth of 50 µm from a surface of the hot stamping part in a plate thickness direction of the hot stamping part and an average hardness of the hot stamping part satisfy Relational Expression 1. A / B≤0.7 (In Relational Expression 1, A denotes the hardness (Hv(≤50 µm)) within the depth of 50 µm in the plate thickness direction of the hot stamping part, and B denotes the average hardness (Hv(avg.)) of the hot stamping part.)

The invention discloses an integrated thickness section gradient performance control steel member and a manufacturing method and application thereof, and belongs to the technical field of automobile and mechanical part manufacturing. The technical problems that in the prior art, when the gradient performance control steel component is prepared, hot pressing forming or welding or laser sintering or other modes are needed, the manufacturing process is complex, consumed time is long, and cost is high are solved. The method realizes performance gradient control of the same steel plate, and can be used for manufacturing parts requiring performance gradient such as an automobile anti-collision beam. The manufacturing method comprises the steps that 1, a steel plate is cut according to the unfolding size of a part; 2, the steel plate is subjected to cold machining to form a cambered surface in a bending deformation or roll bending deformation mode, and a tension stress mode and a compression stress mode are generated respectively; and 3, the steel plate is finely machined according to the part size requirement, and part manufacturing is completed. By means of the method, the steel part with the integrated thickness section gradient performance control function can be prepared, and complex processes such as steel plate hot stamping forming, welding and laser sintering are not needed.

Side structure (1) for a motor vehicle (3) including an inner and outer frame (11, 13) each forming a closed ring and having two openings corresponding to the front and rear doors (8, 10), wherein the inner and outer frames (11, 13) are each formed by hot stamping respectively an inner and an outer frame blank (111, 113), each being a single tailor welded blank made of steel and wherein the inner and outer frames (11,13) are assembled to form a hollow volume (7) between them.

The invention relates to the technical field of coating part preparation, in particular to a zinc-iron coating part and a preparation method thereof. The preparation method comprises the steps that a part steel base body is annealed, and an annealed base plate is obtained; carrying out hot dipping on the annealed substrate by using a zinc-containing plating solution, and then carrying out alloying treatment to obtain a rough steel plate containing a zinc-iron plating layer; the rough steel plate is subjected to cold stamping forming, and a preformed part is obtained; according to the thickness of the preformed part, the optimal hot stamping processing parameters are determined; and the rough part is subjected to heat treatment through the hot stamping treatment parameters, and the zinc-iron coating part is obtained. The hot stamping treatment parameters comprise austenitizing heating temperature and austenitizing heat preservation time; and the thickness of the preformed part is in positive correlation with the temperature and the time respectively. According to the preparation method, the correlation between the thickness of the preformed part and the austenitizing heating temperature and the austenitizing heat preservation time is defined, so that the content of a brittle gamma phase in a zinc-iron coating is reduced; and further, the liquid metal embrittlement sensitivity of the preformed part in the hot stamping treatment process is reduced.

The invention relates to a steel plate base body, a pre-plated steel plate and a preparation method thereof, a hot stamping forming component and a preparation method thereof and an automobile structural part. The steel plate substrate comprises 0.29 to 0.42 wt% of C, 0.15 to 0.50 wt% of Si, 0.30 to 0.90 wt% of Mn, 0.10 wt% or less of P, 0.10 wt% or less of S, 0.10 to 0.50 wt% of Al, 0.05 to 0.10 wt% of Nb, 0.001 to 0.02 wt% of B, 0.20 to 0.80 wt% of W, 0.10 wt% or less of impurities, and the balance of Fe. The hot-stamping formed steel plate disclosed by the invention can have high strength and high hydrogen embrittlement-resistant delayed cracking performance at the same time.

To improve both the slow temperature increasing rate of an overlapped part and the difference in temperature increasing rate between an overlapped part and a one-sheet part when an Al-based plated steel sheet is used as a raw material. An overlapped blank for hot stamping according to the present invention includes: a first Al-based plated steel sheet having a sheet thickness t1; and a second Al-based plated steel sheet having a sheet thickness t2, the second Al-based plated steel sheet overlapped and welded on the first steel sheet, having a smaller area than the first steel sheet, and including a carbon-based black coating as an upper layer of an Al-based plated layer on the side not in contact with the first Al-based plated steel sheet, in which the overlapped blank for hot stamping satisfies (1) Expression to (5) Expression.

The present disclosure provides a hot stamping component including: a base material; a decarburization layer located on the base material; and an inner oxide layer located on the decarburization layer, wherein the hot stamping component has a tensile strength (TS) of 1350 MPa to 1680 MPa, and a hardness of the hot stamping component within a depth of 50 µm from a surface of the hot stamping component in a plate thickness direction of the hot stamping component and an average hardness of the hot stamping component satisfy Relational Expression 1. A / B≤0.7 (In Relational Expression 1, A denotes the hardness (Hv(≤50 µm)) within the depth of 50 µm in the plate thickness direction of the hot stamping component, and B denotes the average hardness (Hv(avg.)) of the hot stamping component.)

A production method for a steel component includes preparing a patchwork material including steel sheets that are laid one on another, at least one of overlap surfaces of the steel sheets including a zinc-based plating layer, heating the patchwork material, and performing hot stamping on the patchwork material heated to form the steel component in which a joint part between the steel sheets is disposed in a bent area. When tout denotes a sheet thickness of a steel sheet located on an outer side in the bent area, and tin denotes a sheet thickness of a steel sheet located on an inner side, tout / tin≥1.1 is satisfied. The joint part is disposed in a ridge portion or at a position in a vicinity of the ridge portion, and the position satisfies d / tin<8.2, where d denotes a distance from the ridge portion to the joint part.

The invention belongs to the technical field of gilding equipment, and discloses an automatic gilding press for cosmetic packaging bottle production, which comprises a feeding mechanism, a conveying mechanism, a detecting mechanism, a gilding mechanism and a discharging mechanism, feeding is conducted on the feeding mechanism at the feeding station through the feeding mechanism; a workpiece on the feeding mechanism is positioned and detected at a feeding detection station through a feeding detection module of the detection mechanism; the gilding mechanism is used for gilding the workpieces on the feeding mechanism at the gilding station; the quality of the workpiece on the feeding mechanism is detected at a discharging detection station through a discharging detection module of the detection mechanism; discharging of the workpieces on the feeding mechanism is executed at the discharging station through the discharging mechanism; the feeding mechanism comprises a feeding base disc and a positioning module, the feeding base disc can rotate around a horizontal center shaft, and the feeding base disc rotates to enable the positioning module to circularly convey along the feeding station, the feeding detection station, the gold stamping station, the discharging detection station and the discharging station.