CN113263301B - Production process of mold seeds - Google Patents
Production process of mold seeds Download PDFInfo
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- CN113263301B CN113263301B CN202110361424.0A CN202110361424A CN113263301B CN 113263301 B CN113263301 B CN 113263301B CN 202110361424 A CN202110361424 A CN 202110361424A CN 113263301 B CN113263301 B CN 113263301B
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- seed
- male mold
- cylinder
- mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/04—Stamping using rigid devices or tools for dimpling
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a production process of a mold seed, which comprises a female mold seed and a male mold seed, wherein the top surface of the female mold seed is provided with a concave grain surface for engraving convex grain surfaces on the top surfaces of a plurality of male mold seeds, the male mold seed is used in a product production line, the surface of a product in the production line is engraved with a concave grain surface corresponding to the male mold seed, and both the female mold seed and the male mold seed are made of oil steel; the top surface of the female mold seed can also be provided with a convex grain surface for engraving concave grain surfaces on the top surfaces of a plurality of male mold seeds, the male mold seeds are used in a product production line, and the convex grain surfaces corresponding to the male mold seeds are engraved on the surface of the product in the production line. Through processing a female mould kind that the top surface was equipped with the dimpled grain face, and female mould kind need not put into production, only is used for duplicating the male mould kind that the top surface was equipped with the raised grain face, and the mode of pressing impression makes every public mould kind surface burr of making unanimous through hydraulic press extrusion, guarantees that every batch of product in the production line prints the line unanimously.
Description
Technical Field
The invention relates to the field of stamping dies, in particular to a production process of a die type.
Background
The die (stamping die) is equipment or a die which can deform the surface layers of forgings and metal parts to generate concave-convex printing lines, the die (stamping die) needs to stamp a plurality of forgings and metal parts in daily processing, after a certain number of products are produced, the concave-convex printing lines of the die (stamping die) are worn, the worn die (stamping die) cannot be put into production continuously, the method in the prior art adopts a milling machine, a CNC (computer numerical control) machine and a spark machine to process a new die (stamping die) again, and the following defects exist; 1. the requirements on the machining precision of a milling machine, a CNC and a spark machine are high, so that the related cutter needs frequent maintenance and replacement for maintaining the machining precision, the cost is high, and the manufacturing period is long; 2. if a new mold type (embossing mold) is processed for the second time, the processing mode and the machine type are changed, the product engraved in the second batch is difficult to keep completely consistent with the product imprint of the first batch.
Disclosure of Invention
The invention aims to provide a production process of a mold seed, which has high efficiency and low cost, and is beneficial to improving the manufacturing efficiency of the mold seed and reducing the production cost.
In order to realize the purpose, the technical scheme of the invention is as follows:
a production process of a mold seed comprises a female mold seed and a male mold seed, wherein the top surface of the female mold seed is provided with a concave grain surface for engraving convex grain surfaces on the top surfaces of a plurality of male mold seeds, the male mold seed is used in a product production line, the surface of a product in the production line is engraved with a concave grain surface corresponding to the male mold seed, and the female mold seed and the male mold seed are both made of oil steel; the top surface of the female mould seed can also be provided with a convex grain surface for engraving concave grain surfaces on the top surfaces of a plurality of male mould seeds, the male mould seeds are used in a product production line, the surface of a product in the production line is engraved with a convex grain surface corresponding to the male mould seeds, and the processing comprises the following steps:
s1, engraving a concave surface on the top surface of the master mould seed by adopting CNC fine engraving;
s2, processing a taper surface on the top surface of the male mold;
s3, placing the female mold seed with the top surface carved with the concave surface into a heat treatment device for hardening treatment;
s4, installing the master mold with the concave grain surface after heat treatment and hardening on a working table of an oil press;
s5, the taper surface of the male mold seed is downwards installed on an oil pressure rod of an oil press, after the concave grain surface of the female mold seed is aligned with the taper surface of the male mold seed, the oil pressure rod drives the male mold seed to downwards press, the concave grain surface is extruded by the taper surface, and the convex grain surface corresponding to the concave grain surface is formed on the top surface of the male mold seed after extrusion;
s6, placing the male mold seed with the convex grain surface on the top surface into a heat treatment device for hardening treatment;
s7, washing the female mold seed, wiping the surface of the female mold seed dry, and placing the female mold seed in a storage box for storage;
a first clamping assembly for fixing the female mold type and a power assembly for providing pressure are arranged on a working table of the oil press in the step S4, a second clamping assembly for fixing the male mold type is arranged on the power assembly, and the second clamping assembly is aligned with the first clamping assembly in the vertical direction;
the power assembly comprises a hydraulic oil cylinder and a support frame for supporting the hydraulic oil cylinder, the bottom end of the support frame is fixed on the top surface of the workbench surface, a connecting plate is arranged at the bottom end of an oil pressure rod of the hydraulic oil cylinder, a movable plate for mounting the second clamping assembly is arranged at the bottom of the connecting plate, and the connecting plate is fixedly connected with the top surface of the movable plate through screws;
the first clamping assembly comprises a first fixed seat arranged at the top of the working table, a first reference block arranged on one side of the first fixed seat and a first movable block arranged on the other side of the first fixed seat, a first sliding block is arranged at the bottom of the first movable block, and a first sliding rail for sliding connection of the bottom surface of the first sliding block is arranged on the working table;
the second clamping assembly comprises a second fixed seat arranged on the bottom surface of the movable plate, a second reference block arranged on one side of the second fixed seat and a second movable block arranged on the other side of the second fixed seat, and a second sliding rail for sliding connection of the bottom surface of the second movable block is arranged on the bottom surface of the movable plate.
Preferably, the included angle between the taper surface and the horizontal plane in the step S2 is 66 degrees to 68 degrees, and the oil press pressure in the step S5 is 200 tons to 210 tons.
More preferably, the included angle between the taper surface and the horizontal plane in the step S2 is 67 degrees, and the oil press pressure in the step S5 is 202 tons to 208 tons.
Preferably, the heat treatment in the steps S3 and S6 is vacuum heat treatment, the temperature of the vacuum heat treatment is 830-860 ℃ and the time is controlled between 20 minutes and 40 minutes, the tempering temperature of the heat treatment is 200-240 ℃ and the time is controlled between 30 minutes and 50 minutes; the original hardness of the oil steel is 20-24 degrees, and after the oil steel is hardened by the heat treatment in the steps S3 and S6, the hardness of the oil steel is 56-58 degrees.
More preferably, the heat treatment in the steps S3 and S6 is vacuum heat treatment, the temperature of the vacuum heat treatment is 840-850 ℃, the time is controlled between 25 minutes and 35 minutes, the tempering temperature of the heat treatment is 210-230 ℃, and the time is controlled between 35 minutes and 45 minutes; the original hardness of the oil steel is 22-23 degrees, and after the oil steel is hardened by the heat treatment in the steps S3 and S6, the hardness of the oil steel is 57 degrees.
Preferably, a prepressing guide assembly is arranged between the power assembly and the working platform.
Preferably, the pre-compaction direction subassembly is including locating the ball guide pillar in movable plate four corners, setting up in table surface and the guide holder of ball guide pillar one-to-one, and the bottom of guide holder is equipped with a plurality of strengthening ribs, the table surface of hydraulic press still includes the protection casing, the inner chamber of protection casing is all located to first clamping component, power component, second clamping component, pre-compaction direction subassembly, the front side of antiskid cover is equipped with the door, the left side of door is articulated through the left side of hinge with the protection casing, be equipped with a plurality of observation holes that are the rectangle and arrange on the door, the preceding terminal surface of door is equipped with the transparent plate, the transparent plate covers a plurality of observation holes that are the rectangle and arrange, and the transparent plate passes through the screw AND gate to be fixed, the right side of door is equipped with the lockpin, the right side of protection casing is equipped with corresponding fore shaft.
Preferably, the top surface of the working table is provided with a first cylinder, the first reference block is provided with a first through hole for the first cylinder to pass through, the outer side surface of the first cylinder is in sliding fit with the inner side wall of the first through hole, the first cylinder is coaxially provided with a first spring, the top end of the first spring is abutted against the bottom of the first reference block, and the bottom end of the first spring is abutted against the top surface of the working table;
the top surface of first slider is equipped with the second cylinder, be equipped with the second through-hole that supplies the second cylinder to pass on the first movable block, the cylindrical lateral surface of second and the inside wall sliding fit of second through-hole, the coaxial second spring that is equipped with of second cylinder, the top of second spring with the bottom of first movable block offsets, and the bottom of second spring offsets with table surface's top surface.
Preferably, one side that first movable block was keeping away from first fixing base is equipped with the L shaped plate, the bottom of L shaped plate is equipped with the third cylinder, be equipped with the third through-hole that supplies the third cylinder to pass on the L shaped plate, the lateral surface of third cylinder and the inside wall sliding fit of third through-hole, the bottom of third cylinder is fixed with table surface, and the coaxial third spring that is equipped with, the top of third spring offsets with the bottom surface of L shaped plate, the bottom of third spring offsets with table surface's top surface, the top of L shaped plate is equipped with first adjusting screw, the top screw-thread fit of first adjusting screw and L shaped plate, and the one end of keeping away from first movable block is equipped with first wrong cap, and the other end offsets with the side of first movable block.
Preferably, a vertical plate is arranged on one side, far away from the second fixed seat, of the second movable block, a second adjusting screw is arranged at the bottom end of the vertical plate, the second adjusting screw is in threaded fit with the bottom end of the vertical plate, a second screwing cap is arranged at one end, far away from the second movable block, of the second movable block, and the other end of the second adjusting screw abuts against the side face of the second movable block; and the bottom surfaces of the second reference block and the second movable block are respectively provided with a fourth through hole and a fifth through hole which are used for avoiding the first cylinder and the second cylinder.
The invention has the beneficial effects that: the female mold with the concave-convex surface is arranged on the top surface in the machining process, the female mold does not need to be put into production, the female mold is only used for copying the male mold with the convex-convex surface on the top surface, the convex lines on the surface of each manufactured male mold are uniform in a mode of extruding and impressing through a hydraulic machine, the printing of each batch of products in a production line is uniform, meanwhile, the cost and the machining period of the cutter related to the machining machine for maintaining the machining precision are reduced by multiple times, and the production efficiency of the printed products is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an oil press according to the present invention;
FIG. 2 is a schematic view of a second clamping assembly of the present invention;
fig. 3 is a schematic view showing a closed state of the door 17 according to the present invention.
Shown in the figure: 1-a working table top, 11-a support frame, 12-a hydraulic oil cylinder, 13-an oil pressure rod, 14-a connecting plate, 15-a movable plate, 16-a protective cover, 17-a door, 18-a transparent plate, 19-an observation hole, 190-a lock pin and 191-a lock notch;
21-a first fixed seat, 22-a first reference block, 23-a first cylinder, 24-a first spring, 25-a first movable block, 26-a first sliding block, 27-a second cylinder, 28-a first sliding rail, 29-a second spring, 291-a first adjusting screw, 292-an L-shaped plate, 293-a third cylinder, 294-a third spring and 295-a first screwing cap;
31-a second fixed seat, 32-a second reference block, 33-a fourth through hole, 34-a second movable block, 35-a second sliding rail, 36-a vertical plate, 37-a second adjusting screw rod, 38-a second screwing cap and 39-a fifth through hole;
40-ball guide column, 41-guide seat and 42-reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in this embodiment, a mold seed includes a female mold seed and a male mold seed, the top surface of the female mold seed is provided with a concave surface for imprinting a convex surface on the top surfaces of a plurality of the male mold seeds, the male mold seed is used in a product production line, the male mold seed includes a device or a mold for generating concave-convex print on the surface of a forge piece or a metal piece, the surface of the product in the production line is imprinted with a concave surface corresponding to the male mold seed, the female mold seed and the male mold seed are made of oil steel, in this embodiment, the oil steel has more excess carbide and higher hardness and wear resistance after quenching and low temperature tempering than chrome steel (Cr12) and 9SiCr steel, so that the hardness difference of the non-heat-treated male mold seed and the heat-treated hardened female mold seed is about 45 degrees, which is beneficial for the conical surface of the male mold seed to be shaped, and plays a role of protecting the concave print on the surface of the female mold seed, so that the female mold seeds can be repeatedly used for more male mold seeds for reproduction production; the top surface of the female mold seed can also be provided with a convex grain surface for engraving concave grain surfaces on the top surfaces of a plurality of male mold seeds, the male mold seeds are used in a product production line, the surface of a product in the production line is engraved with a convex grain surface corresponding to the male mold seeds, in other alternative embodiments, the printing grains on the top surfaces of the male and female mold seeds can be adjusted according to the printing grains required by the product, namely the invention is not limited to the production of the concave grain surfaces, and the processing comprises the following steps:
s1, engraving a concave-grained surface on the top surface of the master mould seed by CNC fine engraving; in this embodiment, the concave pattern surface can be a pattern, a character, etc.;
s2, processing a taper surface on the top surface of the male mold seed; in this embodiment, a lathe is used to process a rough taper on the top of the male mold, then a grinding machine is used to adjust the taper surface, the included angle between the taper surface and the horizontal plane is 66-68 degrees, so that the vertex on the taper surface (i.e. the center of the circle or the center of the top of the male mold) contacts with the top surface of the female mold first, when the oil pressure rod 1313 descends, the taper surface diffuses towards the periphery from the center of the circle or the center, a slow pressing process is provided for the male mold and the female mold, which is beneficial to protecting the structures of patterns, characters and the like on the female mold and ensuring the copying quality of the male mold;
s3, placing the female mold seed with the top surface carved with the concave surface into a heat treatment device for hardening treatment; in the embodiment, the heat treatment is vacuum heat treatment, the temperature of the vacuum heat treatment is 830-860 ℃, the time is controlled between 20 minutes and 40 minutes, the tempering temperature of the heat treatment is 200-240 ℃, and the time is controlled between 30 minutes and 50 minutes, and through multiple practices of the applicant, the heat treatment parameters can enable the oil steel to show the optimal material performance when being applied to the process;
s4, installing the master mold after heat treatment hardening with the concave grain surface upward on a working table top 1 of an oil press;
s5, the taper surface of the male mold seed is downwards installed on an oil pressure rod 13 of an oil press, after the concave thread surface of the female mold seed is aligned with the taper surface of the male mold seed, the oil pressure rod 13 drives the male mold seed to downwards press, the concave thread surface is extruded by the taper surface, and the convex thread surface corresponding to the concave thread surface is formed after the top surface of the male mold seed is extruded;
s6, placing the male mold seed with the convex grain surface on the top surface into a heat treatment device for hardening treatment; in this embodiment, the male mold species after heat treatment hardening can be put into a production line, and can be used as an insert in a stamping die and as an extrusion in a metal piece production device;
s7, washing the female mold seed, wiping the surface of the female mold seed dry, and placing the female mold seed in a storage box for storage; in the embodiment, the effect of protecting the female mold is achieved, steel scraps, grease and the like in the production process are prevented from being attached to the surface of the female mold to influence the use, and the improvement of the copying quality of the male mold is facilitated.
A first clamping assembly for fixing the female mold seeds and a power assembly for providing pressure are arranged on the working table surface 1 of the oil press in the step S4, a second clamping assembly for fixing the male mold seeds is arranged on the power assembly, and the second clamping assembly is aligned with the first clamping assembly in the vertical direction; in the embodiment, under the condition that the circumferences of the outer contours of the tops of the male mold seed and the female mold seed are equal in unit area, the primary positioning function is achieved, the corresponding concave or convex fine lines are pressed at the corresponding positions, and the forming quality of the male mold seed is improved.
The power assembly comprises a hydraulic oil cylinder 12 and a support frame 11 for supporting the hydraulic oil cylinder 12, the bottom end of the support frame 11 is fixed on the top surface of the worktable top 1, the bottom end of an oil pressure rod 13 of the hydraulic oil cylinder 12 is provided with a connecting plate 14, the bottom of the connecting plate 14 is provided with a movable plate 15 for mounting the second clamping assembly, and the connecting plate 14 is fixedly connected with the top surface of the movable plate 15 through screws;
the first clamping assembly comprises a first fixed seat 21 (used for placing a mother mold seed) arranged at the top of the working table top 1, a first reference block 22 (when the mother mold seed is placed, the outline edge of one side is aligned, the right-angle edge or the circular arc edge corresponding to the outline of the mother mold seed is arranged at one side of the first reference block 22 close to the first fixed seat 21), a first movable block 25 (used for locking or releasing the mother mold seed) arranged at the other side of the first fixed seat 21, the right-angle edge or the circular arc edge corresponding to the outline of the mother mold seed is arranged at one side of the first movable block 25 close to the first fixed seat 21, a first sliding block 26 is arranged at the bottom of the first movable block 25, and a first sliding rail 28 for sliding connection of the bottom surface of the first sliding block 26 is arranged on the working table top 1;
the second clamping component comprises a second fixed seat 31 (for placing a male mold type) arranged on the bottom surface of the movable plate 15, a second reference block 32 (for placing the male mold type) arranged on one side of the second fixed seat 31, wherein a contour edge on one side is aligned, the second reference block 32 is provided with a right-angle edge or an arc edge corresponding to the outer contour of the male mold type on one side close to the second fixed seat 31, a second movable block 34 (for locking or loosening the male mold type) arranged on the other side of the second fixed seat 31, the second movable block 34 is provided with a right-angle edge or an arc edge corresponding to the outer contour of the male mold type on one side close to the second fixed seat 31, and a second slide rail 35 for slidably connecting the bottom surface of the second movable block 34 is arranged on the bottom surface of the movable plate 15.
Preferably, the included angle between the taper surface and the horizontal plane in the step S2 is 66 degrees to 68 degrees, and the oil press pressure in the step S5 is 200 tons to 210 tons.
More preferably, the included angle between the taper surface and the horizontal plane in the step S2 is 67 degrees, and the oil press pressure in the step S5 is 202 tons to 208 tons.
Preferably, the heat treatment in the steps S3 and S6 is vacuum heat treatment, the temperature of the vacuum heat treatment is 830-860 ℃ and the time is controlled between 20 minutes and 40 minutes, the tempering temperature of the heat treatment is 200-240 ℃ and the time is controlled between 30 minutes and 50 minutes; the original hardness of the oil steel is 20-24 degrees, and after the oil steel is hardened by the heat treatment in the steps S3 and S6, the hardness of the oil steel is 56-58 degrees.
More preferably, the heat treatment in the steps S3 and S6 is vacuum heat treatment, the temperature of the vacuum heat treatment is 840-850 ℃, the time is controlled between 25 minutes and 35 minutes, the tempering temperature of the heat treatment is 210-230 ℃, and the time is controlled between 35 minutes and 45 minutes; the original hardness of the oil steel is 22-23 degrees, and after the oil steel is hardened by the heat treatment in the steps S3 and S6, the hardness of the oil steel is 57 degrees.
Preferably, a prepressing guide assembly is arranged between the power assembly and the working platform surface 1.
Preferably, the pre-pressing guide assembly comprises ball guide posts 40 (which enlarge the effective primary positioning area) arranged at four corners of the movable plate 15, guide bases 41 arranged on the working table 1 and corresponding to the ball guide posts 40 one by one, a plurality of reinforcing ribs 43 (which reinforce the strength of the bottom of the guide bases and reduce the direction eccentricity of the guide bases 41 in the long-term use process, so that the guide bases and the ball guide posts 40 keep coaxial in the vertical direction, thereby being beneficial to protecting the ball guide posts 40), the working table 1 of the oil press further comprises a protective cover 16 (which prevents a person from being burst due to the overlarge stress of a mold during the mold production, effectively reduces the potential safety hazard during the production of the protective cover 16 and improves the safety), the first clamping assembly, the power assembly, the second clamping assembly and the pre-pressing guide assembly are all arranged in the inner cavity of the protective cover 16, and a door 17 is arranged at the front side of the anti-pressing cover, the left side of door 17 is articulated through the left side of hinge with protection casing 16, be equipped with a plurality of observation holes 19 that are the rectangle and arrange on the door 17, the preceding terminal surface of door 17 is equipped with transparent plate 18, transparent plate 18 covers a plurality of observation holes 19 that are the rectangle and arrange, and transparent plate 18 passes through the screw and is fixed with door 17, the right side of door 17 is equipped with lockpin 190, the right side of protection casing 16 is equipped with corresponding fore shaft 191, and in this embodiment, lockpin 190 inserts behind the fore shaft 191 for door 17 is fixed to be closed.
Preferably, a first cylinder 23 is arranged on the top surface of the working table top 1, a first through hole for the first cylinder 23 to pass through is formed in the first reference block 22, the outer side surface of the first cylinder 23 is in sliding fit with the inner side wall of the first through hole, a first spring 24 is coaxially arranged on the first cylinder 23, the top end of the first spring 24 abuts against the bottom of the first reference block 22, and the bottom end of the first spring 24 abuts against the top surface of the working table top 1;
the top surface of first slider 26 is equipped with second cylinder 27, be equipped with the second through-hole that supplies second cylinder 27 to pass on the first movable block 25, the lateral surface of second cylinder 27 and the inside wall sliding fit of second through-hole, the coaxial second spring 29 that is equipped with of second cylinder 27, the top of second spring 29 with the bottom of first movable block 25 offsets, and the bottom of second spring 29 offsets with table surface 1's top surface.
Preferably, the first movable block 25 is provided with an L-shaped plate 292 on a side far away from the first fixed seat 21, the bottom of the L-shaped plate 292 is provided with a third cylinder 293, the L-shaped plate 292 is provided with a third through hole for the third cylinder 293 to pass through, an outer side surface of the third cylinder 293 is in sliding fit with an inner side wall of the third through hole, a bottom end of the third cylinder 293 is fixed with the working table 1 and is coaxially provided with a third spring 294, a top end of the third spring 294 abuts against a bottom surface of the L-shaped plate 292, a bottom end of the third spring 294 abuts against a top surface of the working table 1, a top end of the L-shaped plate 292 is provided with a first adjusting screw 291, the first adjusting screw 291 is in threaded fit with the top end of the L-shaped plate 292, and a first twisting cap 295 is arranged at an end far away from the first movable block 25 (the outer side surface of the first twisting cap 295295 includes a plurality of rubber strips, so as to increase a friction force between a technician's hand and the first twisting cap 295295, facilitating the technician to twist), the other end abutting against the side of the first movable block 25.
Preferably, a vertical plate 36 is arranged on one side of the second movable block 34 far away from the second fixed seat 31, a second adjusting screw 37 is arranged at the bottom end of the vertical plate 36, the second adjusting screw 37 is in threaded fit with the bottom end of the vertical plate 36, a second screwing cap 38 is arranged at one end far away from the second movable block 34, and the other end of the second screwing cap abuts against the side surface of the second movable block 34; the bottom surfaces of the second reference block 32 and the second movable block 34 are respectively provided with a fourth through hole 33 and a fifth through hole 39 (for secondary positioning) for avoiding the first cylinder 23 and the second cylinder 27.
In this embodiment, when a mother mold seed is installed, the mother mold seed is first placed on the first fixed seat 21, then the mother mold seed is pushed to approach the first reference block 22, and the edge is aligned and attached to the edge, then the first screwing cap 295 at one end of the first adjusting rod is twisted clockwise, at this time, the first adjusting screw 291 is in threaded fit with the top end of the L-shaped plate 292, so that the other end of the first adjusting screw 291 approaches the first movable block 25, and the first movable block 25 is pushed to approach one side of the mother mold seed when abutting against the first movable block 25, at this time, the first slider 26 is in sliding fit with the first slide rail 28, and after the first movable block 25 is attached to the mother mold seed, the first screwing cap 295 stops being twisted, so that the fixed installation of the mother mold seed can be completed; when the mold is disassembled, the first screwing cap 295 is screwed counterclockwise, and the working process of the first clamping assembly is opposite to the installation process, so that the mother mold can be removed, which is not described herein.
In this embodiment, when the male mold is installed, the male mold is placed on the second fixed seat 31, and then the male mold is pushed to approach the second reference block 32, and the edge is aligned and attached to the edge, then the second screwing cap 38 at one end of the second adjusting rod is twisted clockwise, at this time, the second adjusting screw is in threaded fit with the bottom end of the vertical plate 36, so that the other end of the second adjusting screw 37 approaches the second movable block 34, and the second movable block 34 is pushed to approach one side of the male mold while abutting against the second movable block 34, at this time, the bottom surface of the second movable block 34 is in sliding fit with the second slide rail 35, and after the second movable block 34 is attached to the male mold, the first screwing cap 295 is stopped being twisted, so that the fixed installation of the male mold can be completed; during disassembly, the second screwing cap 38 is screwed counterclockwise, and the working process of the second clamping assembly is opposite to the installation process, so that the male mold can be removed, which is not described herein.
In this embodiment, when the oil press is working, the oil pressure rod 13 pushes the movable plate 15 to move downward and drive the ball guide posts 40 and the second clamping assembly to complete descending together, first the four corner ball guide posts 40 descend to slidingly fit with the corresponding guide seats 41, thus completing initial positioning, then the second reference block 32 and the second movable block 34 respectively abut against the top surfaces of the first reference block 22 and the second reference block 32 and press the first reference block 22 and the first movable block 25 to move downward, at this time, the first spring 24, the second spring 29 and the third spring 294 are all compressed, playing a role of buffering, protecting the working table 1 from breaking, and simultaneously reducing the working load of the hydraulic cylinder 12, during the downward movement of the first reference block 22 and the first movable block 25, the top ends of the first cylinder 23 and the second cylinder 27 move relative to the top ends of the first reference block 22 and the first movable block 25, and insert respectively in fourth through-hole 33, fifth through-hole 39, the lateral surface of first cylinder 23 and the inside wall sliding fit of fourth through-hole 33, the lateral surface of second cylinder 27 and the inside wall sliding fit of fifth through-hole 39 to accomplish secondary positioning and tentatively fix a position supplementary mutually, be favorable to improving the preparation precision of public mould kind.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The production process of the mold seeds is characterized in that the mold seeds comprise female mold seeds and male mold seeds, concave grain surfaces or convex grain surfaces are arranged on the top surfaces of the female mold seeds and used for engraving convex grain surfaces on the top surfaces of a plurality of the male mold seeds, the male mold seeds are used in a product production line, concave grain surfaces corresponding to the male mold seeds are engraved on the surfaces of products in the production line, and the female mold seeds and the male mold seeds are both made of oil steel; the method is used for engraving concave grain surfaces on the top surfaces of a plurality of male mold seeds, the male mold seeds are used in a product production line, and the surfaces of products in the production line are engraved with convex grain surfaces corresponding to the male mold seeds, and the processing comprises the following steps:
s1, engraving a concave-grained surface on the top surface of the master mould seed by CNC fine engraving;
s2, processing a taper surface on the top surface of the male mold seed;
s3, placing the female mold seed with the top surface carved with the concave surface into a heat treatment device for hardening treatment;
s4, installing the master mold with the concave grain surface after heat treatment and hardening on a working table of an oil press;
s5, the taper surface of the male mold seed is downwards installed on an oil pressure rod of an oil press, after the concave grain surface of the female mold seed is aligned with the taper surface of the male mold seed, the oil pressure rod drives the male mold seed to downwards press, the concave grain surface is extruded by the taper surface, and the convex grain surface corresponding to the concave grain surface is formed on the top surface of the male mold seed after extrusion;
s6, placing the male mold seed with the convex grain surface on the top surface into a heat treatment device for hardening treatment;
s7, washing the female mold seed, wiping the surface of the female mold seed dry, and placing the female mold seed in a storage box for storage;
a first clamping assembly for fixing the female mold type and a power assembly for providing pressure are arranged on a working table of the oil press in the step S4, a second clamping assembly for fixing the male mold type is arranged on the power assembly, and the second clamping assembly is aligned with the first clamping assembly in the vertical direction;
the power assembly comprises a hydraulic oil cylinder and a support frame for supporting the hydraulic oil cylinder, the bottom end of the support frame is fixed on the top surface of the workbench surface, a connecting plate is arranged at the bottom end of an oil pressure rod of the hydraulic oil cylinder, a movable plate for mounting the second clamping assembly is arranged at the bottom of the connecting plate, and the connecting plate is fixedly connected with the top surface of the movable plate through screws;
the first clamping assembly comprises a first fixed seat arranged at the top of the working table, a first reference block arranged on one side of the first fixed seat and a first movable block arranged on the other side of the first fixed seat, a first sliding block is arranged at the bottom of the first movable block, and a first sliding rail for sliding connection of the bottom surface of the first sliding block is arranged on the working table;
the second clamping assembly comprises a second fixed seat arranged on the bottom surface of the movable plate, a second reference block arranged on one side of the second fixed seat and a second movable block arranged on the other side of the second fixed seat, and a second sliding rail for sliding connection of the bottom surface of the second movable block is arranged on the bottom surface of the movable plate.
2. The mold seed production process of claim 1, wherein the angle between the taper surface and the horizontal plane in step S2 is 66-68 degrees, and the oil press pressure in step S5 is 200-210 tons.
3. A mold seed production process as claimed in claim 1, wherein the heat treatment in steps S3, S6 is vacuum heat treatment, the temperature of the vacuum heat treatment is 830-860 ℃ and the time is controlled between 20 minutes and 40 minutes, the tempering temperature of the heat treatment is 200-240 ℃ and the time is controlled between 30 minutes and 50 minutes; the original hardness of the oil steel is 20-24 degrees, and after the oil steel is hardened by the heat treatment in the steps S3 and S6, the hardness of the oil steel is 56-58 degrees.
4. A mold seed producing process as claimed in claim 1, wherein a preload guide assembly is provided between the power assembly and the table.
5. The mold seed producing process according to claim 4, wherein the pre-pressing guide assembly comprises ball guide posts arranged at four corners of the movable plate, guide bases arranged on the working table surface and corresponding to the ball guide posts one by one, a plurality of reinforcing ribs are arranged at the bottom of the guide bases, the working table surface of the oil press also comprises a protective cover, the first clamping component, the power component, the second clamping component and the pre-pressing guide component are all arranged in the inner cavity of the protective cover, the front side of the protective cover is provided with a door, the left side of the door is hinged with the left side of the protective cover through a hinge, the door is provided with a plurality of observation holes which are arranged in a rectangular shape, the front end surface of the door is provided with a transparent plate, the transparent plate covers the plurality of observation holes which are arranged in a rectangular shape, and the transparent plate is fixed with the door through a screw, the right side of the door is provided with a lock pin, and the right side of the protective cover is provided with a corresponding lock opening.
6. The mold seed production process according to claim 1, wherein a first cylinder is arranged on the top surface of the working table, a first through hole for the first cylinder to pass through is formed in the first reference block, the outer side surface of the first cylinder is in sliding fit with the inner side wall of the first through hole, a first spring is coaxially arranged on the first cylinder, the top end of the first spring abuts against the bottom of the first reference block, and the bottom end of the first spring abuts against the top surface of the working table;
the top surface of first slider is equipped with the second cylinder, be equipped with the second through-hole that supplies the second cylinder to pass on the first movable block, the cylindrical lateral surface of second and the inside wall sliding fit of second through-hole, the coaxial second spring that is equipped with of second cylinder, the top of second spring with the bottom of first movable block offsets, and the bottom of second spring offsets with table surface's top surface.
7. The mold seed production process according to claim 6, characterized in that the first movable block is provided with an L-shaped plate at one side far away from the first fixed seat, the bottom of the L-shaped plate is provided with a third cylinder, the L-shaped plate is provided with a third through hole for the third cylinder to pass through, the outer side surface of the third cylinder is in sliding fit with the inner side wall of the third through hole, the bottom end of the third cylinder is fixed with the working table surface and is coaxially provided with a third spring, the top end of the third spring is abutted against the bottom surface of the L-shaped plate, the bottom end of the third spring is abutted against the top surface of the working table surface, the top end of the L-shaped plate is provided with a first adjusting screw rod, the first adjusting screw rod is in threaded fit with the top end of the L-shaped plate, and the end far away from the first movable block is provided with a first screwing cap, and the other end of the first adjusting screw rod is abutted against the side surface of the first movable block.
8. The mold seed production process according to claim 6, wherein a vertical plate is arranged on one side of the second movable block away from the second fixed seat, a second adjusting screw is arranged at the bottom end of the vertical plate, the second adjusting screw is in threaded fit with the bottom end of the vertical plate, a second screwing cap is arranged at one end away from the second movable block, and the other end of the second screwing cap abuts against the side face of the second movable block; and the bottom surfaces of the second reference block and the second movable block are respectively provided with a fourth through hole and a fifth through hole which are used for avoiding the first cylinder and the second cylinder.
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| CN202110361424.0A CN113263301B (en) | 2021-04-02 | 2021-04-02 | Production process of mold seeds |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1035985A (en) * | 1988-02-01 | 1989-10-04 | 瓦尔特·马塞 | Dry-pressing printing device with hot pressing die and punch die |
| KR20050103152A (en) * | 2005-02-18 | 2005-10-27 | 조명전자(주) | Galvanoplastics plate aline mechanism for blanking die |
| CN101900936A (en) * | 2009-05-26 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Impression mould and production method thereof |
| CN102582335A (en) * | 2012-03-06 | 2012-07-18 | 德国莱利化工科技有限公司 | Facade decorative method for carved light and shadow imaging of transfer molding line |
| JP2015132311A (en) * | 2014-01-10 | 2015-07-23 | スズキ株式会社 | Cooling structure of belt transmission device |
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2021
- 2021-04-02 CN CN202110361424.0A patent/CN113263301B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035985A (en) * | 1988-02-01 | 1989-10-04 | 瓦尔特·马塞 | Dry-pressing printing device with hot pressing die and punch die |
| KR20050103152A (en) * | 2005-02-18 | 2005-10-27 | 조명전자(주) | Galvanoplastics plate aline mechanism for blanking die |
| CN101900936A (en) * | 2009-05-26 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Impression mould and production method thereof |
| CN102582335A (en) * | 2012-03-06 | 2012-07-18 | 德国莱利化工科技有限公司 | Facade decorative method for carved light and shadow imaging of transfer molding line |
| JP2015132311A (en) * | 2014-01-10 | 2015-07-23 | スズキ株式会社 | Cooling structure of belt transmission device |
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