CN112223606B - Mold core processing device capable of reducing adsorption scratch of light guide plate - Google Patents
Mold core processing device capable of reducing adsorption scratch of light guide plate Download PDFInfo
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- CN112223606B CN112223606B CN202011434302.1A CN202011434302A CN112223606B CN 112223606 B CN112223606 B CN 112223606B CN 202011434302 A CN202011434302 A CN 202011434302A CN 112223606 B CN112223606 B CN 112223606B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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Abstract
The invention discloses a die core processing device capable of reducing the adsorption scratch of a light guide plate, which comprises a support pedestal, an external machine shell, a stamping cylinder, an upper forming die assembly, a lower forming die assembly and a transmission device, wherein the external machine shell is fixedly connected with the support pedestal through a fixing bolt; the upper forming die assembly is positioned right above the lower forming die assembly and is matched with the lower forming die assembly to punch and form the die core of the light guide plate.
Description
Technical Field
The invention relates to the technical field of light guide plate mold core processing equipment, in particular to a mold core processing device capable of reducing the absorption scratch of a light guide plate.
Background
The liquid crystal display is a common display product at present, and the liquid crystal display does not emit light, so a backlight module is required to be used as a backlight source, the backlight module is usually composed of a light source, a reflector plate, a light guide plate, a diffusion sheet, a prism sheet and the like, the light guide plate in the backlight module is usually adsorbed with the reflector plate due to the fact that the lower surface structure depth is too flat, and the phenomenon of white spots on a picture is caused, and in this way, the main body structure of the mold core of the light guide plate directly influences the light guide performance of the light guide plate. However, in the mold core preparation of the light guide plate in the prior art, in the mold core of the light guide plate manufactured by bidirectional mechanical processing, the cutter of the R angle is usually used for longitudinal processing, the top end of the R angle is often too flat to effectively reduce the absorption phenomenon, and the contact area between the mold core structure of the light guide plate and the light guide plate needs to be reduced to eliminate white spots and scratches generated by absorption, so that one sharp knife is additionally added during the longitudinal groove processing of the contact surface of the mold core of the light guide plate generally, and particularly for the sharp knife processing, the processing difficulty coefficient is large, the processing procedure is relatively complicated during manual cutting processing, and the precision is relatively low. Therefore, it is necessary to provide a mold core processing device capable of reducing the absorption scratch of the light guide plate to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a mold core processing device capable of reducing the adsorption scratch of a light guide plate comprises a supporting pedestal, an external machine shell, a stamping cylinder, an upper forming mold component, a lower forming mold component and a transmission device, wherein mounting notches for embedding and fixing the external machine shell are symmetrically arranged at two sides of the upper end surface of the supporting pedestal, the external machine shell is fixedly connected with the supporting pedestal through fixing bolts, a containing cavity is arranged at the inner side of the supporting pedestal, the lower forming mold component is arranged at the middle position of the upper end surface of the supporting pedestal, the transmission device is arranged in the containing cavity of the supporting pedestal, and the transmission device is fixed with the lower forming mold component so that the lower forming mold component can be relatively and rotatably fixed on the supporting pedestal,
a stamping cylinder is vertically fixed in the inner part of the upper end face of the external shell, and the output end of the stamping cylinder is fixedly connected with an upper forming die assembly and drives the upper forming die assembly to slide up and down;
the upper forming die assembly is positioned right above the lower forming die assembly and is matched with the lower forming die assembly to punch and form the die core of the light guide plate.
As a preferred technical scheme of the present invention, a fixing plate is embedded and fixed in the middle of the upper end face of the external enclosure, side reinforcing rib columns are vertically arranged on the fixing plate in a penetrating manner, the side reinforcing rib columns are arranged on two sides of the stamping cylinder in a bilateral symmetry manner, the other ends of the side reinforcing rib columns are fixed with the upper forming die assembly and assist the upper forming die assembly in performing stamping work, and a protection frame is fixed on the upper end face of the external enclosure through bolts.
As a preferable technical scheme of the invention, the upper forming die assembly comprises an outer fixed seat, a built-in disc seat, side supporting assemblies, an outer forming plate and a secondary forming assembly, wherein the built-in disc seat is fixedly embedded in the outer fixed seat, the side supporting assemblies are symmetrically arranged at two sides of the outer fixed seat,
the other end of the side supporting assembly is fixed with the outer forming plate, and a plurality of forming outer holes are uniformly formed in the outer forming plate, so that when the stamping cylinder drives the outer fixing seat to stamp downwards, the outer forming plate performs primary stamping forming processing on the outer surface of the light guide plate die core, and a local convex longitudinal groove is formed in the end surface of the outer forming plate;
the built-in dish seat is provided with the post forming subassembly in, the post forming subassembly carries out the post forming punching press to the light guide plate mould benevolence after preliminary shaping to local evagination longitudinal furrow reformat in light guide plate mould benevolence surface after the preliminary shaping is sharp sword form sand grip.
As a preferred technical scheme of the invention, the side support assembly comprises an installation seat, a sealing guide piece, a connecting spring, a movable plug, a jacking ball and an installation valve body, wherein the sealing guide piece is coaxially fixed in the installation seat, and the movable plug is arranged in the sealing guide piece in a relatively sliding manner;
a connecting seat is fixed at a corresponding position of one side of the outer forming plate close to the mounting seat, a jacking ball body is fixed in the connecting seat in a limiting manner, and the other end of the jacking ball body is connected with the movable plug;
the sealing guide piece is internally provided with a connecting spring, so that when the stamping cylinder drives the outer fixed seat to stamp downwards, the connecting spring forms reverse jacking force through the action of elasticity and local air pressure between the sealing guide piece and the movable plug, and the outer molding plate can be used for jacking and molding the outer surface of the light guide plate mold core conveniently;
and an installation valve body penetrates through one end of the sealing guide piece, which is far away from the jacking ball body, a set threshold value is arranged on the installation valve body, and when the air pressure in the sealing guide piece is higher than the threshold value, the installation valve body effectively exhausts the gas in the sealing guide piece.
As a preferable technical scheme of the invention, the secondary forming assembly comprises an external fixing plate, a return spring, an embedded seat, a guide plate, a stretching ejector rod and a forming device, wherein the guide plate is arranged in the embedded disk seat in a relatively sliding manner, the lower end face of the embedded disk seat is fixed with the external fixing plate,
a plurality of extending ejector rods are vertically arranged on the end face of one side, close to the outer fixing plate, of the guide plate, each extending ejector rod can be arranged in the outer fixing plate in a penetrating mode in a relatively sliding mode, a return spring is connected to the end face of the other side of the guide plate, and the return spring is connected and fixed with the built-in disc seat through an embedded seat;
and a plurality of forming devices are fixed on the guide plate at intervals on the same side of the extending ejector rod, and the forming devices perform extrusion forming on the contact surface of the light guide plate die core when the extending ejector rod slides to one side close to the reset spring.
As a preferred technical scheme of the invention, the forming device comprises a connecting support, outer guide sleeves, a forming plate, an outer support rod and a sealing guide seat, wherein a plurality of outer guide sleeves are vertically embedded and fixed in an outer fixing plate, a connecting support is arranged in each outer guide sleeve in a manner of sliding up and down relatively, the cross section of the connecting support is in an inverted Y-shaped structure, the other end of the connecting support is connected and fixed with the guide plate,
and one side of the connecting support close to the outer fixed plate is symmetrically hinged with a forming plate, the forming plate is connected with a sealing guide seat through an outer support rod, and the sealing guide seat effectively controls the initial horizontal plane inclination angle of the forming plate through internal bearing gas, so that the forming plate can be precisely adjusted according to the specific processing technology of the light guide plate mold core.
As a preferred technical scheme of the invention, a connecting piston is arranged in the sealing guide seat in a relatively sliding manner, one end of the connecting piston is rotatably connected with the outer support rod, an arc-shaped elastic sheet is also connected in the sealing guide seat in a sealing manner, the sealing guide seat is divided into two closed spaces by the arc-shaped elastic sheet, and the arc-shaped elastic sheet has high elastic compression deformability;
and an air inlet is formed in one side, far away from the molding plate, of the sealing guide seat.
As a preferred technical scheme of the invention, the lower forming die assembly comprises a supporting disk body, a bearing plate, a fixed guide piece, a forming block piece and an auxiliary heating device, wherein a connecting base vertically penetrates through the middle part of the upper end surface of the supporting pedestal, the supporting disk body is installed on the upper end surface of the connecting base, the bearing plate is coaxially fixed on the supporting disk body,
the supporting plate is characterized in that a plurality of fixed guide pieces are arranged on the bearing plate, the tail ends of the fixed guide pieces are provided with forming block pieces used for jacking and forming, an auxiliary heating device is installed in the supporting plate body, and the auxiliary heating device effectively supplies heat to the forming block pieces through the fixed guide pieces, so that the contact surface of the mold core of the light guide plate is locally softened and plasticized.
As a preferred technical scheme of the invention, a plurality of connecting row holes are uniformly formed on the bearing plate.
Compared with the prior art, the invention provides a mold core processing device capable of reducing the adsorption scratch of a light guide plate, which has the following beneficial effects:
in the invention, the processing procedure of the light guide plate mould core is divided into two stamping forming steps, firstly, the lower forming mould assembly and the outer forming plate are mutually matched and stamped to ensure that the contact surface of the light guide plate mould core is preliminarily pressurized by a forming outer hole to form a local convex longitudinal groove, wherein, a side supporting assembly provides stamping supporting force, a proposed threshold value on a valve body is taken as an upper stamping limit in the stamping process, and when the stamping force provided by a stamping cylinder is higher than the threshold value, the outer forming plate approaches to the outer fixing seat relative to the outer fixing seat and completes the preliminary forming, thereby entering the second step; the second step is that the local convex longitudinal grooves on the surface of the light guide plate mould core are extruded and formed into sharp-knife-shaped convex strips through a forming device, so that the surface scratch contact of the light guide plate is reduced in the manufacturing process of the light guide plate, and the initial horizontal plane inclination angle of the formed plate can be adjusted by controlling the set air pressure in the sealing guide seat, so that the formed plate can be precisely adjusted according to the specific processing technology of the light guide plate mould core; and an auxiliary heating device is arranged in the lower forming die assembly, so that high-temperature heating can be effectively carried out on the forming block, the contact surface of the die core of the light guide plate is locally soft and plasticized, and the press forming is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a side reinforcing bar of the present invention;
FIG. 3 is a schematic view of the upper mold assembly of the present invention;
FIG. 4 is a cross-sectional view of a side support assembly of the present invention;
FIG. 5 is a schematic view of the secondary molding assembly of the present invention;
FIG. 6 is a schematic view of the forming apparatus of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 6;
FIG. 8 is a schematic view of the construction of the lower mold assembly of the present invention;
in the figure: the device comprises a supporting pedestal 1, an external machine shell 2, a stamping cylinder 201, a fixed plate 202, a reinforcing rib column 203 side, a protective frame 204, a transmission device 3, an upper forming die assembly 4, an external fixed seat 401, an internal disc seat 402, an external forming plate 403, a lower forming die assembly 5, a supporting disc body 501, a connecting base 502, a bearing plate 503, a fixed guide 504, a forming block 505, a side supporting assembly 6, a mounting seat 601, a sealing guide 602, a jacking ball 603, a connecting seat 604, a movable plug 605, a connecting spring 606, a valve body 607, a secondary forming assembly 7, an external fixed plate 701, a guide plate 702, a return spring 703, a protruding ejector rod 704, an embedding seat 705, a forming device 8, an external guide sleeve 801, an external guide sleeve 802 connecting support, a forming plate 803, an external support rod 804, a sealing guide seat 805, a connecting piston 806, an arc elastic sheet 807 and an auxiliary heating device 9.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a mold core processing device capable of reducing the adsorption scratch of a light guide plate comprises a support pedestal 1, an external machine shell 2, a stamping cylinder 201, an upper forming mold component 4, a lower forming mold component 5 and a transmission device 3, wherein mounting notches for embedding and fixing the external machine shell 2 are symmetrically arranged at two side positions of the upper end surface of the support pedestal 1, the external machine shell 2 is fixedly connected with the support pedestal 1 through fixing bolts, a containing cavity is arranged at the inner side of the support pedestal 1, the lower forming mold component 5 is arranged at the middle position of the upper end surface of the support pedestal 1, the transmission device 3 is arranged in the containing cavity of the support pedestal 1, the transmission device 3 is fixed with the lower forming mold component 5, so that the lower forming mold component 5 can be relatively rotatably fixed on the support pedestal 1,
a stamping cylinder 201 is vertically fixed in the inner part of the upper end face of the external shell 2, and the output end of the stamping cylinder 201 is fixedly connected with an upper forming die assembly 4 and drives the upper forming die assembly 4 to slide up and down;
go up moulded die assembly 4 and be located under the moulded die assembly 5 directly over, and with moulded die assembly 5 mutually supports carries out stamping forming to the mould benevolence of light guide plate down, and here, when carrying out stamping process to the light guide plate mould benevolence, need just put mould benevolence to under moulded die assembly, accessible transmission adjusts the horizontal direction skew angle of moulded die assembly down, makes things convenient for the light guide plate mould benevolence to process according to processing technology.
Referring to fig. 2, in this embodiment, a fixing plate 202 is embedded and fixed in the middle of the upper end surface of the external enclosure 2, a side reinforcing rib column 203 vertically penetrates through the fixing plate 202, the side reinforcing rib columns 203 are symmetrically arranged on two sides of the stamping cylinder 201 in a left-right manner, the other end of the side reinforcing rib column 203 is fixed to the upper forming die assembly 4 and assists the upper forming die assembly 4 to perform stamping operation, a protection frame 204 is fixed to the upper end surface of the external enclosure 2 through bolts, and the side reinforcing rib column can effectively prevent the upper forming die assembly from phase shift when the stamping cylinder drives the upper forming die assembly to stamp downwards, so that the processing surface of the light guide plate die core is not coordinated or the local stamping is incomplete.
Referring to fig. 3, in the present embodiment, the upper forming die assembly 4 includes an outer fixing base 401, an internal tray 402, side supporting assemblies 6, an outer forming plate 403, and an secondary forming assembly 7, wherein the internal tray 402 is embedded and fixed in the outer fixing base 401, and the side supporting assemblies 6 are symmetrically disposed on both sides of the outer fixing base 401,
the other end of the side support assembly 6 is fixed with an outer forming plate 403, and a plurality of forming outer holes are uniformly formed in the outer forming plate 403, so that when the stamping cylinder 201 drives the outer fixing seat 401 to stamp downwards, the outer forming plate 403 performs preliminary stamping forming processing on the outer surface of the light guide plate mold core, and a local convex longitudinal groove is formed on the end surface of the outer forming plate 403;
be provided with post forming subassembly 7 in built-in dish seat 402, post forming subassembly 7 carries out the post forming punching press to the light guide plate mould benevolence after preliminary shaping to the local evagination longitudinal furrow integrated into one piece of sharp sword form sand grip in the light guide plate mould benevolence surface after preliminary shaping, and here, it needs to notice, in preliminary course of working, need strictly control preliminary stamping force, prevent that the stamping force of the preliminary operation of punching press cylinder from too big leading to it directly to skip preliminary shaping process, and, in preliminary punching press in-process, for guaranteeing fashioned completeness, but invariable stamping force postpones a period of time (the setting time is 3min-5min usually) and makes light guide plate mould benevolence accomplish preliminary shaping under the punching action completely.
Referring to fig. 4, in the present embodiment, the side support assembly 6 includes an installation seat 601, a seal guide 602, a connection spring 606, a movable plug 605, a pressing ball 603, and an installation valve body 607, wherein the installation seat 601 coaxially fixes the seal guide 602 therein, and the movable plug 605 is slidably disposed in the seal guide 602;
a connecting seat 604 is fixed at a corresponding position on one side of the outer shaping plate 403 close to the mounting seat 601, a jacking ball 603 is fixed in the connecting seat 604 in a limiting manner, and the other end of the jacking ball 603 is connected with the movable plug 605;
the sealing guide member 602 is further provided with a connecting spring 606, so that when the stamping cylinder 201 drives the outer fixed seat 401 to stamp downwards, the connecting spring 606 forms a reverse jacking force through the elastic force and the local air pressure between the sealing guide member 602 and the movable plug 605, so that the outer molding plate 403 can be used for jacking and molding the outer surface of the light guide plate mold core;
the end of the sealing guide member 602, which is far away from the top pressure ball 603, is provided with an installation valve body 607 in a penetrating manner, the installation valve body 607 is provided with a preset threshold value, and when the air pressure in the sealing guide member 602 is higher than the threshold value, the installation valve body 607 effectively exhausts the gas in the sealing guide member 602, wherein in the most preferred embodiment of the invention, the preset threshold value range of the installation valve body is between 2.3bar and 2.5bar, which is convenient for effectively controlling the regulation and control of the stamping cylinder.
Referring to fig. 5, in this embodiment, the secondary molding assembly 7 includes an outer fixing plate 701, a return spring 703, an insertion seat 705, a guide plate 702, a protruding rod 704, and a molding device 8, wherein the guide plate 702 is slidably disposed in the internal disk seat 402, and the outer fixing plate 701 is fixed to a lower end surface of the internal disk seat 402,
a plurality of extending ejector rods 704 are vertically arranged on one end face of the guide plate 702 close to the outer fixing plate 701, each extending ejector rod 704 can relatively slide and penetrate through the outer fixing plate 701, a return spring 703 is connected to the other end face of the guide plate 702, and the return spring 703 is fixedly connected with the built-in disc seat 402 through an embedded seat 705;
a plurality of forming devices 8 are fixed on the guide plate 702 at intervals on the same side of the extending ejector rod 704, and the forming devices 8 perform extrusion forming on the contact surface of the light guide plate mold core when the extending ejector rod 704 slides to a side close to the return spring 703.
Referring to fig. 6, in this embodiment, the forming device 8 includes a connecting support 802, an outer guide sleeve 801, a forming plate 803, an outer support 804, and a sealing guide 805, wherein a plurality of outer guide sleeves 801 are vertically embedded and fixed in the outer fixing plate 701, a connecting support 802 is slidably disposed in each outer guide sleeve 801 up and down, a cross section of the connecting support 802 is in an inverted Y-shaped structure, another end of the connecting support 802 is connected and fixed to the guide plate 702,
and, one side of the connecting support 802 close to the outer fixing plate 701 is symmetrically hinged with a forming plate 803, a sealing guide seat 805 is coaxially fixed in the outer guide sleeve 801, the forming plate 803 is connected with the sealing guide seat 805 through an outer support rod 804, and the sealing guide seat 805 effectively controls the initial horizontal plane inclination angle of the forming plate 803 through the internal bearing gas, so that the forming plate 803 is precisely adjusted according to the specific processing technology of the light guide plate mold core.
Referring to fig. 7, in this embodiment, a connecting piston 806 is slidably disposed in the seal guide 805, one end of the connecting piston 806 is rotatably connected to the outer support rod 804, an arc-shaped elastic piece 807 is further hermetically connected in the seal guide 805, the arc-shaped elastic piece 807 divides the seal guide 805 into two closed spaces, and the arc-shaped elastic piece 807 has high elastic deformation; in the sealing guide seat, a pressure relief spring can be arranged in the sealing guide seat to further improve the elastic control range of the arc-shaped elastic sheet so as to effectively control the air pressure range of the sealing guide seat;
an air inlet is arranged on one side of the sealing guide seat 805 away from the molding plate 803.
Referring to fig. 8, in this embodiment, the lower molding die assembly 5 includes a supporting disk 501, a bearing plate 503, a fixing guide 504, a molding block 505, and an auxiliary heating device 9, wherein a connecting base 502 vertically penetrates through and is fixed on the middle portion of the upper end surface of the supporting pedestal 1, the supporting disk 501 is installed on the upper end surface of the connecting base 502, the bearing plate 503 is coaxially fixed on the supporting disk 501,
a plurality of fixed guide pieces 504 are arranged on the bearing plate 503, a forming block 505 for press forming is arranged at the tail end of each fixed guide piece 504, an auxiliary heating device 9 is installed in the supporting plate 501, and the auxiliary heating device 9 effectively supplies heat to the forming block 505 through the fixed guide pieces 504, so that the contact surface of the light guide plate mold core is locally softened and plasticized.
In this embodiment, the bearing plate 503 is further uniformly provided with a plurality of connecting holes.
Specifically, when the light guide plate mold core is processed, the upper forming die assembly is driven by the stamping cylinder to stamp downwards and is matched with the lower forming die assembly to process and form the light guide plate mold core; the processing procedure comprises two punch forming steps, namely, the outer forming plate and the forming block pieces on the lower forming die assembly are matched and punched with each other, so that the contact surface of the die core of the light guide plate is preliminarily pressurized through the forming outer hole to form a local convex longitudinal groove; and then the local convex longitudinal grooves on the surface of the light guide plate mould core are extruded and formed into sharp-knife-shaped convex strips by a forming device, thereby reducing the surface scratching contact of the light guide plate in the manufacturing process.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a can reduce mould benevolence processingequipment of light guide plate absorption scratch, its includes support pedestal (1), outside casing (2), punching press cylinder (201), goes up forming die subassembly (4), lower forming die subassembly (5) and transmission (3), wherein, the up end bilateral position symmetry of support pedestal (1) is equipped with and is used for the embedding to fix the installation notch of outside casing (2), outside casing (2) through fixing bolt with support pedestal (1) is connected fixedly, just support pedestal (1) inside is equipped with and holds the cavity, its characterized in that: a lower forming die assembly (5) is mounted in the middle of the upper end face of the supporting pedestal (1), a transmission device (3) is arranged in an accommodating cavity of the supporting pedestal (1), and the transmission device (3) is fixed with the lower forming die assembly (5) so that the lower forming die assembly (5) can be fixed on the supporting pedestal (1) in a relatively rotating manner;
a stamping cylinder (201) is vertically fixed in the inner part of the upper end face of the external machine shell (2), and the output end of the stamping cylinder (201) is fixedly connected with the upper forming die assembly (4) and drives the upper forming die assembly (4) to slide up and down;
the upper forming die assembly (4) is positioned right above the lower forming die assembly (5) and is matched with the lower forming die assembly (5) to punch and form a die core of the light guide plate;
a fixed plate (202) is embedded and fixed in the middle of the upper end face of the external casing (2), side reinforcing rib columns (203) vertically penetrate through the fixed plate (202), the side reinforcing rib columns (203) are symmetrically arranged on the two sides of the stamping cylinder (201) in the left-right direction, the other ends of the side reinforcing rib columns (203) are fixed with the upper forming die assembly (4) to assist the upper forming die assembly (4) in stamping, and a protection frame (204) is fixed on the upper end face of the external casing (2) through bolts;
the upper forming die assembly (4) comprises an outer fixing seat (401), a built-in disc seat (402), side supporting assemblies (6), an outer forming plate (403) and a secondary forming assembly (7), wherein the built-in disc seat (402) is embedded and fixed in the outer fixing seat (401), and the side supporting assemblies (6) are symmetrically arranged on two sides of the outer fixing seat (401);
the other end of the side support assembly (6) is fixed with an outer forming plate (403), a plurality of forming outer holes are uniformly formed in the outer forming plate (403), so that when the outer fixing seat (401) is driven by the stamping cylinder (201) to stamp downwards, the outer forming plate (403) performs primary stamping forming processing on the outer surface of the light guide plate mold core, and a local convex longitudinal groove is formed in the end surface of the outer forming plate (403);
be provided with post forming subassembly (7) in built-in dish seat (402), post forming subassembly (7) carry out the post forming punching press to the light guide plate mould benevolence after preliminary shaping to be convenient for the local evagination longitudinal groove remolding of light guide plate mould benevolence surface after preliminary shaping is sharp sword form sand grip.
2. The mold core processing device according to claim 1, wherein the mold core processing device comprises: the side support assembly (6) comprises an installation seat (601), a sealing guide piece (602), a jacking ball body (603), a connecting seat (604), a movable plug (605), a connecting spring (606) and an installation valve body (607), wherein the installation seat (601) is internally and coaxially fixed with the sealing guide piece (602), and the movable plug (605) is arranged in the sealing guide piece (602) in a relatively sliding manner;
a connecting seat (604) is fixed at a corresponding position on one side of the outer forming plate (403) close to the mounting seat (601), a jacking ball body (603) is fixed in the connecting seat (604) in a limiting manner, and the other end of the jacking ball body (603) is connected with the movable plug (605);
the sealing guide piece (602) is internally provided with a connecting spring (606), so that when the stamping cylinder (201) drives the outer fixed seat (401) to stamp downwards, the connecting spring (606) forms reverse jacking force through the action of elasticity and local air pressure between the sealing guide piece (602) and the movable plug (605), and the outer molding plate (403) can conveniently perform jacking molding on the outer surface of the light guide plate mold core;
an installation valve body (607) penetrates through one end, far away from the jacking ball body (603), of the sealing guide piece (602), a set threshold value is arranged on the installation valve body (607), and when the air pressure in the sealing guide piece (602) is higher than the threshold value, the installation valve body (607) effectively exhausts the air in the sealing guide piece (602).
3. The mold core processing device according to claim 1, wherein the mold core processing device comprises: the secondary forming assembly (7) comprises an outer fixing plate (701), a guide plate piece (702), a return spring (703), a protruding ejector rod (704), an embedded seat (705) and a forming device (8), wherein the guide plate piece (702) is arranged in the built-in disc seat (402) in a relatively sliding mode, and the outer fixing plate (701) is fixed on the lower end face of the built-in disc seat (402);
a plurality of extending ejector rods (704) are vertically arranged on the end face of one side, close to the outer fixing plate (701), of the guide plate member (702), each extending ejector rod (704) can be arranged in the outer fixing plate (701) in a relatively sliding mode in a penetrating mode, a return spring (703) is connected to the end face of the other side of the guide plate member (702), and the return spring (703) is fixedly connected with the built-in disc seat (402) through an embedded seat (705);
a plurality of forming devices (8) are fixed on the guide plate member (702) at intervals on the same side of the extending ejector rod (704), and when the extending ejector rod (704) slides to one side close to the reset spring (703), the forming devices (8) perform extrusion forming on the contact surface of the light guide plate mold core.
4. The mold core processing device according to claim 3, wherein the mold core processing device comprises: the forming device (8) comprises an outer guide sleeve (801), a connecting support piece (802), a forming plate piece (803), an outer support rod (804) and a sealing guide seat (805), wherein a plurality of outer guide sleeves (801) are vertically embedded and fixed in the outer fixing plate (701), the connecting support piece (802) is arranged in each outer guide sleeve (801) in a vertically sliding mode, the cross section of the connecting support piece (802) is of an inverted Y-shaped structure, and the other end of the connecting support piece (802) is fixedly connected with the guide plate piece (702);
and one side of the connecting support piece (802) close to the outer fixing plate (701) is symmetrically hinged with a forming plate (803), a sealing guide seat (805) is coaxially fixed in the outer guide sleeve (801), the forming plate (803) is connected with the sealing guide seat (805) through an outer support rod (804), and the sealing guide seat (805) effectively controls the initial horizontal plane inclination angle of the forming plate (803) through internal bearing gas, so that the forming plate (803) is subjected to precision adjustment according to the specific processing technology of the light guide plate mold core.
5. The mold core processing device according to claim 4, wherein the mold core processing device comprises: a connecting piston (806) is arranged in the sealing guide seat (805) in a relatively sliding manner, one end of the connecting piston (806) is rotatably connected with the outer support rod (804), an arc-shaped elastic sheet (807) is also connected in the sealing guide seat (805) in a sealing manner, the sealing guide seat (805) is divided into two closed spaces by the arc-shaped elastic sheet (807) at intervals, and the arc-shaped elastic sheet (807) has high elastic compression deformation;
and an air inlet is formed in one side, away from the molding plate (803), of the sealing guide seat (805).
6. The mold core processing device according to claim 1, wherein the mold core processing device comprises: the lower forming die assembly (5) comprises a supporting disc body (501), a connecting base (502), a bearing plate (503), a fixed guide piece (504), a forming block piece (505) and an auxiliary heating device (9), wherein the connecting base (502) vertically penetrates through the middle of the upper end face of the supporting pedestal (1), the supporting disc body (501) is installed on the upper end face of the connecting base (502), and the bearing plate (503) is coaxially fixed on the supporting disc body (501);
the light guide plate mould core is characterized in that a plurality of fixed guide pieces (504) are arranged on the bearing plate (503), the tail ends of the fixed guide pieces (504) are provided with forming block pieces (505) for jacking and forming, an auxiliary heating device (9) is installed in the supporting plate body (501), and the auxiliary heating device (9) effectively supplies heat to the forming block pieces (505) through the fixed guide pieces (504), so that the contact surface of the light guide plate mould core is locally softened and plasticized.
7. The apparatus of claim 6, wherein the mold insert processing device comprises: a plurality of connecting row holes are further uniformly formed in the bearing plate (503).
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| CN202011434302.1A CN112223606B (en) | 2020-12-10 | 2020-12-10 | Mold core processing device capable of reducing adsorption scratch of light guide plate |
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| CN112223606B true CN112223606B (en) | 2021-02-19 |
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| CN112743773B (en) * | 2021-01-27 | 2022-06-10 | 扬昕科技(苏州)有限公司 | Mold core processing device for improving light emergence rate of dark halo part of light guide plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927572A (en) * | 2005-09-05 | 2007-03-14 | 小松产机株式会社 | Press forming device |
| CN209552433U (en) * | 2019-01-26 | 2019-10-29 | 深圳市利和腾鑫科技有限公司 | A kind of light guiding film site transfer hot-press arrangement |
| CN210390177U (en) * | 2019-06-21 | 2020-04-24 | 奥英光电（苏州）有限公司 | Light guide plate processing device |
-
2020
- 2020-12-10 CN CN202011434302.1A patent/CN112223606B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927572A (en) * | 2005-09-05 | 2007-03-14 | 小松产机株式会社 | Press forming device |
| CN209552433U (en) * | 2019-01-26 | 2019-10-29 | 深圳市利和腾鑫科技有限公司 | A kind of light guiding film site transfer hot-press arrangement |
| CN210390177U (en) * | 2019-06-21 | 2020-04-24 | 奥英光电（苏州）有限公司 | Light guide plate processing device |
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