CN213533779U

CN213533779U - Forming die device of mirror frame bending forming machine

Info

Publication number: CN213533779U
Application number: CN202021372738.8U
Authority: CN
Inventors: 冉贵磷; 胡秀花
Original assignee: ZHEJIANG RIKE AUTOMATION EQUIPMENT CO Ltd
Current assignee: ZHEJIANG RIKE AUTOMATION EQUIPMENT CO Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-06-25
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a picture frame bending forming machine's moulded die device, its technical scheme main points are: a forming die device of a picture frame bending forming machine is an upper die device and a lower die device which are arranged oppositely from top to bottom; the upper die device comprises an upper die base, a lifting cylinder and two upper die blocks which are connected with the upper die base and respectively abutted against the lens frame; the upper die base is provided with two groups of picture frame positioning components; an installation adjusting assembly is arranged between the upper modules and the upper die base, an upper frame beam die which is abutted and extrudes the frame beam is arranged between the two upper modules, and the upper die base is provided with a driving extrusion assembly; the lower die device comprises a bottom plate, a conveying mechanism and a lower die mechanism; the lower die mechanism comprises a lower die base, a lower die block, a rotating component used for driving the lower die base to rotate, a clamping and fixing component used for clamping and fixing the mirror frame, and an installation and adjustment component used for installing and adjusting the relative angle of the two lower die blocks. The utility model discloses reach automatic high-efficient bending forming picture frame to improve picture frame bending forming precision.

Description

Forming die device of mirror frame bending forming machine

Technical Field

The utility model relates to a picture frame processing field especially involves a picture frame bending machine's moulded die device.

Background

The existing eyes mainly comprise a spectacle frame, spectacle legs and lenses; the frame generally includes two lens frames, a bridge disposed between the two lens frames, and a frame bridge connecting the two lens frames.

After the frame is injection molded, the frame is generally flat or has a certain curvature. In order to make the spectacle frame adapt to the contour of the human face, the spectacle frame needs to be adjusted by bending and forming, so that the spectacle frame adapts to the contour of the human face after the spectacle frame beam is bent for a certain angle, and two lens frames are ensured to be adapted to the eyes of the human body.

The existing bending forming of the mirror frame is generally carried out by preheating the mirror frame and then placing the mirror frame into a mold for secondary forming, but no corresponding forming mold for bending forming of the mirror frame exists at the present stage.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a picture frame bending machine's moulded die device reaches automatic high-efficient bending forming picture frame to improve picture frame bending forming precision.

The above technical purpose of the utility model is realized through following technical scheme: a forming die device of a picture frame bending forming machine is an upper die device and a lower die device which are arranged oppositely from top to bottom; the upper die device comprises an upper die base which is connected with the picture frame forming machine and can move up and down relative to the picture frame forming machine, a lifting cylinder which is connected between the picture frame forming machine and the upper die base and drives the upper die base to move up and down, and two upper die blocks which are connected with the upper die base and respectively abut against the lens frame; the upper die base is provided with two groups of mirror frame positioning components which are symmetrically arranged and used for positioning the mirror frame relative to the upper die block; an installation adjusting assembly is arranged between the upper modules and the upper die holder, an upper mirror frame beam die which is abutted and extrudes a mirror frame beam is arranged between the two upper modules, and the upper die holder is provided with a driving extrusion assembly which drives the upper mirror frame beam die to move downwards and extrude the mirror frame beam; the lower die device comprises a bottom plate arranged on the spectacle frame bending forming machine, a conveying mechanism arranged on the bottom plate and used for conveying the spectacle frame, and a lower die mechanism used for mounting and fixing the conveyed spectacle frame; the lower die mechanism comprises a lower die base rotatably connected to the bottom plate, a lower module arranged on the lower die base and used for mounting a picture frame, a rotating component used for driving the lower die base to rotate, a clamping and fixing component used for clamping and fixing the picture frame, and a mounting and adjusting component used for mounting and adjusting the relative angle of the two lower modules; the lower die holder is arranged horizontally in the rotating axial direction.

The utility model discloses a further set up to: the positioning assembly comprises a positioning frame arranged on the upper die base, a positioning adjusting connecting rod hinged to the positioning frame, a positioning shifting plate arranged on the positioning adjusting connecting rod, and an adjusting cylinder connected to the positioning frame and having an output shaft connected to the positioning adjusting connecting rod, wherein the connecting end of the output shaft of the adjusting cylinder and the positioning adjusting connecting rod and the connecting end of the positioning shifting plate and the positioning adjusting connecting rod are respectively close to the upper end and the lower end of the positioning adjusting connecting rod, and the two positioning shifting plates are respectively arranged on two sides of the two upper modules and can be abutted against the two symmetrical side walls of the mirror frame; the installation and adjustment assembly comprises an installation and adjustment column penetrating through the upper die base, two hinged frames hinged to the upper die base respectively and symmetrically arranged on two sides of the installation and adjustment column, two upper die mounting frames rotatably connected to one ends, far away from the installation and adjustment column, of the hinged frames respectively, and two adjustment control members rotatably connected to the installation and adjustment column and connected with the upper die mounting frames respectively, the rotation axial directions of the adjustment control members and the hinged frames are horizontal and perpendicular to the arrangement directions of the two upper die blocks, the upper die blocks are fixed on the lower end face of the upper die mounting frames, locking bolts are in threaded connection with the side walls of the upper die base, and the end faces of the locking bolts can abut against the side walls of the installation and adjustment column and limit the installation; the driving extrusion assembly comprises an installation column which is arranged in the inner cavity of the installation and adjustment column and is connected with the upper lens frame beam die, a connecting beam which is fixedly connected with the installation and adjustment column and extends to the outer side of the upper die base, a forming extrusion cylinder which is arranged on the connecting beam, and a driving piece which is hinged on an output shaft of the forming extrusion cylinder and drives the installation column to move up and down, wherein the installation column vertically penetrates through the installation and adjustment column, the output shaft of the forming extrusion cylinder is vertically and downwards arranged, one end of the driving piece, which is far away from the forming extrusion cylinder, is hinged on the side wall of the installation and adjustment column, which is far away from the side wall of the forming extrusion cylinder, the driving piece is provided with a driving rod which is arranged on the installation and adjustment column and can be abutted against the upper end surface of the installation column, and the, and the mounting and adjusting column is provided with a movable hole for the driving rod to penetrate through and move up and down.

The utility model discloses a further set up to: an adjusting and positioning assembly for adjusting the position of the positioning frame is arranged between the positioning frame and the upper die base, the adjusting and positioning assembly comprises a positioning long groove formed in the upper die base, a positioning bolt which is in threaded connection with the positioning frame and penetrates through the positioning long groove, positioning scale marks arranged on the side wall of the upper die base, and a positioning reading block which is arranged on the positioning frame and corresponds to the positioning scale marks, the positioning bolt can lock and position the positioning frame relative to the upper die base, the length direction of the positioning long groove is arranged along the arrangement direction of the two upper modules, and the length direction of the positioning scale marks is parallel to the length direction of the positioning long groove.

The utility model discloses a further set up to: the upper die mounting frame is provided with an air vent for rapidly cooling the mirror frame, the air vent penetrates through the upper die block, the lower end face of the upper die block is provided with a plurality of air grooves communicated with the air vent, and the air vent is located at the center of the upper die block.

The utility model discloses a further set up to: the conveying mechanism comprises a receiving base arranged on the bottom plate, a sliding component arranged on the receiving base and sliding towards the direction of the lower die holder, a material receiving fork arranged on the sliding component and abutted to the lower end face of the picture frame, a material receiving frame arranged on the sliding component and used for abutting against the side wall of the picture frame, which is far away from one side of the lower die holder, and a positioning component arranged on the bottom plate and used for positioning the picture frame; the sliding assembly comprises a first receiving sliding block which horizontally slides relative to the receiving base, a first sliding cylinder which is used for driving the first receiving sliding block to slide towards the direction of the lower die holder, a second receiving sliding block which horizontally slides relative to the first receiving sliding block, a third receiving sliding block which horizontally slides relative to the second receiving sliding block, a second sliding cylinder which is used for driving the second receiving sliding block to slide, and a third sliding cylinder which is used for driving the third receiving sliding block to slide, wherein the sliding directions of the second receiving sliding block and the third receiving sliding block are consistent with the sliding direction of the first receiving sliding block, the material receiving fork is fixedly connected to the third receiving sliding block, the material receiving frame is hinged to the second receiving sliding block, a rotary torsion spring is arranged at the hinged end of the material receiving frame and the second receiving sliding block, and the material receiving frame is obliquely arranged from bottom to top in a direction deviating from the lower die holder, the first receiving sliding block is provided with a connecting rod which is abutted against the material receiving frame, and after the second receiving sliding block slides towards the lower die base relative to the first receiving sliding block, the material receiving frame rotates towards the direction of the lower die base by taking the end part of the connecting rod as a fulcrum; the positioning assembly comprises a bidirectional cylinder fixedly connected to the bottom plate, two positioning blocks symmetrically arranged at the output ends of the corresponding bidirectional cylinders, and positioning plates arranged on the positioning blocks in an L shape, the two positioning plates are oppositely arranged, and the mirror frame is positioned between the two positioning plates; the locating plate be horizontal sliding connection in the locating piece, just locating plate sliding direction is on a parallel with first receipt slider sliding direction, just all be provided with between locating plate and the locating piece and stir the reset torsion spring that the locating plate resets.

The utility model discloses a further set up to: the rotating part comprises a rotating shaft arranged on the side wall of the lower die holder, a rotating cylinder arranged on the bottom plate and driving the rotating shaft, a gear arranged on the rotating shaft, a rack which is connected to the bottom plate in a sliding manner and meshed with the gear, and a driving cylinder arranged on the bottom plate and driving the rack to slide; the fixed assembly is arranged between the bottom plate and the lower die holder and used for avoiding the lower die holder from overturning after being pressed, and comprises a fixed lug, a fixed connecting rod, a fixed bulge and a fixed cylinder, wherein the fixed lug is arranged on the lower die holder and protrudes out of the side wall of the lower die holder, one end of the fixed connecting rod is rotatably connected with the bottom plate, the fixed bulge is arranged on the fixed connecting rod and can be abutted to the upper end face of the fixed lug, and the fixed cylinder is arranged on the bottom plate and drives the fixed connecting rod to rotate towards.

The utility model discloses a further set up to: the mounting and adjusting component comprises a main support arranged on the upper end surface of the lower die base, two branch supports respectively arranged on two sides of the main support, a mounting component arranged between the lower die base and the branch supports and used for driving the branch supports to move and then fixing the lower die block, and an angle adjusting component arranged between the lower die base and the main support and used for adjusting the bending angles of the two lower die blocks; the angle adjusting assembly comprises an adjusting column which is arranged on the lower die base in a penetrating mode and is provided with a penetrating hole through which the adjusting column penetrates, and a locking bolt which is in threaded connection with the lower die base and can penetrate into the penetrating hole, and the main support is connected with the adjusting column and moves along with the adjusting column in a synchronous mode.

The utility model discloses a further set up to: each lower module is provided with four pin shafts horizontally arranged, the four pin shafts are respectively clamped with the corresponding main support and the corresponding branch support, the branch support is provided with two sub-clamping grooves for clamping the corresponding pin shafts, and the side wall of the main support facing the two sub-supporting frames is provided with two main clamping grooves aligned with the sub-clamping grooves.

The utility model discloses a further set up to: the centre gripping fixed part including set up in the die holder just is vertical ascending centre gripping cylinder, set up in the centre gripping connecting block of centre gripping cylinder output shaft, set up in the centre gripping connecting block just is the centre gripping shell fragment of V-arrangement, two the relative lateral wall of lower module has been seted up and has been supplied the control flume that the centre gripping shell fragment wore to establish, two butt centre gripping archs in the lens frame inner wall respectively of centre gripping shell fragment fixedly connected with.

The utility model discloses a further set up to: the bottom plate is provided with a support which is rotatably connected with one end, far away from the rotating shaft, of the lower die holder, the side wall of the support is provided with an L-shaped control block for controlling the rotating angle of the lower die holder, the upper surface of the lower die holder can be abutted to the lower surface of the L-shaped control block, the lower die holder can be abutted to the upper surface of the L-shaped control block after the lower die holder turns, and the lower die holder is provided with two hydraulic buffers which can be abutted to the upper surface and the lower surface of the L-shaped control.

To sum up, the utility model discloses following beneficial effect has:

when the mirror frame is bent and formed, the heated mirror frame falls to the space surrounded by the positioning plate, the material receiving frame and the material receiving fork, the two positioning plates are driven by the bidirectional cylinder to move oppositely, so as to realize the positioning of the center of the mirror frame and ensure the position of the mirror frame to be consistent with that of the corresponding lower module, the first sliding cylinder drives the first receiving slide block, the second receiving slide block and the third receiving slide block to synchronously move towards the direction of the lower die holder so that the mirror frame is close to the position of the lower die block, then the second sliding cylinder drives the second receiving slide block and the third receiving slide block to move continuously towards the direction of the lower die holder, the second receiving slide block drives the material receiving frame to operate and enables the picture frame to be tightly propped against the lower die block, the picture frame stirs the positioning plate to move for a certain distance towards the direction of the lower die base, due to the elastic deformation of the positioning plate, the mirror frame is separated from the positioning plate, then the mirror frame is arranged in the lower module, and the positioning plate is shifted to reset through the reset torsion spring; when the picture frame butt was in two modules down, centre gripping shell fragment V-arrangement both ends were worn to locate respectively and are corresponded the lens frame in, through centre gripping cylinder drive centre gripping connecting block and centre gripping shell fragment towards the die holder direction removal, the V-arrangement lateral wall of centre gripping shell fragment is contradicted behind the control tank bottom surface, and two V-arrangement lateral walls of centre gripping shell fragment are drawn close each other, reach centre gripping shell fragment butt lens frame inner wall to the fixed picture frame of centre gripping. After the picture frame is fixed by the centre gripping, drive the rack removal through driving actuating cylinder to drive the pivot through the rack and rotate through the gear drive pivot promptly, realize the die holder and rotate, make lower module and picture frame state up, and make the picture frame be located under the module. Then, the upper die device moves downwards to perform extrusion forming, and the upper die base can be driven to move downwards through the lifting cylinder, so that the upper die block and the upper mirror frame beam die are in contact with the mirror frame; then dial the board through two positioning of two adjusting cylinder drives and rotate in opposite directions and the butt realizes realizing the accurate location to the picture frame in the picture frame, then drive driving piece downstream through shaping extrusion cylinder, connect in the roller butt of driving piece in the erection column up end and promote the erection column and move down, the erection column drives the picture frame roof beam mould and moves down in step, make last picture frame roof beam butt in the picture frame roof beam and to picture frame roof beam extrusion, make the picture frame crooked, the picture frame is crooked after accomplishing, through ventilating the air vent, make the peripheral air rapid circulation of picture frame, reach the quick cooling effect of picture frame. After that, the lifting cylinder drives the upper die base to move upwards to separate the upper die block from the mirror frame, and the lower die base is driven by the rotary cylinder to rotate, so that the lower die base and the lower die block are in a downward state, the mirror frame is convenient to drop, and the automatic discharging function is realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a schematic view of the structure of the upper die apparatus; FIG. 3 is a first cross-sectional view of the upper die apparatus; FIG. 4 is a second cross-sectional view of the upper die apparatus; FIG. 5 is an exploded schematic view of the cope mold apparatus; FIG. 6 is a schematic view of the structure of the lower mold device; FIG. 7 is a first schematic structural view of a conveying mechanism in a lower die device; FIG. 8 is a second schematic view of the structure of the conveying mechanism in the lower die device; FIG. 9 is an exploded schematic view of the transport mechanism; FIG. 10 is a sectional view of a lower die mechanism in the lower die apparatus; FIG. 11 is an exploded view of the lower die mechanism; FIG. 12 is an exploded view of the lower die mechanism; fig. 13 is an exploded view of the lower die mechanism.

The corresponding part names indicated by the numbers in the figures: 101. an upper die holder; 102. an upper module; 103. an upper frame beam mold; 104. a lifting cylinder; 105. a base plate; 106. a lower die holder; 107. a lower module; 211. a positioning frame; 212. positioning the adjusting connecting rod; 213. positioning a shifting plate; 214. an adjusting cylinder; 221. positioning the long groove; 222. positioning the bolt; 223. positioning the scale marks; 224. positioning the reading block; 231. a limiting block; 232. a control bolt; 311. installing an adjusting column; 312. a hinged frame; 313. an upper die mounting frame; 314. adjusting the control member; 315. locking the bolt; 316. a deflector rod; 321. mounting a column; 322. a connecting beam; 323. forming an extrusion cylinder; 324. a drive member; 325. a drive rod; 326. a roller; 327. A movable hole; 351. a vent hole; 352. a vent channel; 401. a receiving base; 402. a material receiving fork; 403. a material receiving frame; 411. a first receiving slider; 412. a first slipping cylinder; 413. a second receiving slider; 414. a third receiving slider; 415. a second slipping cylinder; 416. a third slipping cylinder; 421. Rotating the torsion spring; 422. a connecting rod; 431. a bidirectional cylinder; 432. positioning blocks; 433. positioning a plate; 434. a return torsion spring; 501. a rotating shaft; 502. a rotating cylinder; 503. a gear; 504. a rack; 505. A driving cylinder; 511. a support; 512. an L-shaped control block; 513. a hydraulic buffer; 521. fixing the bump; 522. fixing the connecting rod; 523. a fixed protrusion; 524. fixing the air cylinder; 601. a main support; 602. a branch frame; 611. a pin shaft; 612. a card distributing slot; 613. a main card slot; 614. a spring; 621. An adjustment column; 622. perforating holes; 623. a locking bolt; 701. a clamping cylinder; 702. clamping a connecting block; 703. clamping the elastic sheet; 704. a control slot; 705. a clamping protrusion; 706. lower frame beam mold.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

As shown in fig. 1 to 13, the present invention provides a forming die device for a bending forming machine of a spectacle frame, which comprises an upper die device and a lower die device which are arranged oppositely from top to bottom.

The upper die device comprises an upper die base 101 which is connected with the frame forming machine and can move up and down relative to the frame forming machine, a lifting cylinder 104 which is connected between the frame forming machine and the upper die base 101 and drives the upper die base 101 to move up and down, and two upper die blocks 102 which are connected with the upper die base 101 and respectively abutted against the lens frame, wherein the upper die blocks 102 are made of flexible materials and can be made of silica gel, rubber and the like. The mirror frame positioning device is characterized in that an installation and adjustment assembly is arranged between the upper die block 102 and the upper die base 101, an upper mirror frame beam die 103 which is abutted to and extrudes a mirror frame beam is arranged between the two upper die blocks 102, the upper die base 101 is provided with a driving extrusion assembly which drives the upper mirror frame beam die 103 to move downwards and extrude the mirror frame beam in an extrusion mode, and the upper die base 101 is provided with two sets of mirror frame positioning assemblies which are symmetrically arranged and used for positioning a mirror frame relative to the upper die block 102. The upper die holder 101 can be driven to move downwards through the lifting cylinder 104, so that the upper die block 102 and the upper frame beam die 103 are in contact with the mirror frame and bend and form the mirror frame.

Installation regulating assembly is including wearing to locate installation regulation post 311, two of upper die base 101 articulate respectively in upper die base 101 and symmetry set up in articulated frame 312, two of installation regulation post 311 both sides rotate respectively connect in articulated frame 312 keeps away from last mould mounting bracket 313, two of installation regulation post 311 one end rotate connect in installation regulation post 311 and respectively with the regulation control 314 that last mould mounting bracket 313 is connected, regulation control 314 and articulated frame 312 rotate the axial and all be level and two last module 102 array directions of perpendicular to, installation regulation post 311 is vertical setting and can slide from top to bottom for upper die base 101, last module 102 is fixed in go up terminal surface under mould mounting bracket 313, articulated frame 312 keeps away from upper die base 101 one end and goes up mould mounting bracket 313 articulated, and articulated frame 312 rotates the axial and is the level setting. The side wall of the upper die base 101 is in threaded connection with a locking bolt 315, the end face of the locking bolt 315 can abut against the side wall of the installation adjusting column 311 and limit the installation adjusting column 311 to move up and down, and the locking bolt 315 is connected with a shift lever 316 which is convenient for driving the locking bolt 315 to rotate. During the use, go up the mould mounting bracket 313 and install in upper die base 101 through articulated frame 312 and regulation control 314 to when needs adjust picture frame bending angle and adjust two last module 102 activity angles promptly, through unscrewing locking bolt 315, make installation regulation post 311 activity from top to bottom, installation regulation post 311 drives regulation control 314 up-and-down motion, and because regulation control 314 is articulated with installation regulation post 311, thereby realize through the installation regulation post 311 up-and-down motion drive regulation control key, and reach and adjust last mould mounting bracket 313 and last module 102 position.

The driving extrusion assembly comprises an installation column 321 which penetrates through the inner cavity of the installation adjusting column 311 and is connected with the upper mirror frame beam die 103, a connecting beam 322 which is fixedly connected with the installation adjusting column 311 and extends to the outer side of the upper die base 101, a forming extrusion cylinder 323 which is hinged to the connecting beam 322, and a driving piece 324 which is hinged to the output shaft of the forming extrusion cylinder 323 and drives the installation column 321 to move up and down. The erection column 321 is vertical and wears to locate installation regulation post 311 and can follow vertical direction sliding connection in installation regulation post 311, shaping extrusion cylinder 323 output shaft is vertical setting downwards, driving piece 324 is kept away from shaping extrusion cylinder 323 one end articulate in installation regulation post 311 deviates from shaping extrusion cylinder 323 one side lateral wall, driving piece 324 is provided with and wears to locate installation regulation post 311 and can butt in the actuating lever 325 of erection column 321 up end, and actuating lever 325 cover is equipped with the butt and promotes the roller 326 that installation regulation post 311 moved down. The driving rod 325 is located between the hinged end of the driving member 324 and the output shaft of the forming extrusion cylinder 323 and the hinged end of the driving member 324 and the side wall of the mounting adjusting column 311, and the mounting adjusting column 311 is provided with a movable hole 327 for the driving rod 325 to penetrate and move up and down. When the output shaft of the forming extrusion cylinder 323 moves downwards, the driving piece 324 rotates downwards by taking the hinged end of the driving piece and the side wall of the mounting adjusting column 311 as a pivot, so that the roller 326 sleeved on the driving rod 325 moves downwards and abuts against the upper end surface of the mounting column 321 and pushes the mounting column 321 to move downwards, the upper lens frame beam mold 103 moves downwards and then is extruded to form a lens frame beam, and the bending forming of the lens frame is realized; in addition, since the mounting post 321, the molding extrusion cylinder 323 and the driving member 324 are all connected to the mounting adjustment post 311, when the mounting adjustment post 311 moves up and down, the mounting post 321, the molding extrusion cylinder 323 and the driving member 324 move synchronously.

The frame positioning assembly comprises a positioning frame 211 arranged on the upper die base 101, a positioning adjusting connecting rod 212 hinged to the positioning frame 211, a positioning shifting plate 213 arranged on the positioning adjusting connecting rod 212, and an adjusting cylinder 214 connected to the positioning frame 211 and having an output shaft connected to the positioning adjusting connecting rod 212. The connecting end of the output shaft of the adjusting cylinder 214 and the positioning adjusting connecting rod 212 and the connecting end of the positioning shifting plate 213 and the positioning adjusting connecting rod 212 are respectively close to the upper end and the lower end of the positioning adjusting connecting rod 212, and the two positioning shifting plates 213 are respectively arranged at the two sides of the two upper modules 102 and can be abutted against the two symmetrical side walls of the mirror frame. The adjusting cylinder 214 cylinder body rotates connect in locating rack 211, and two adjusting cylinder 214 output shafts are reverse setting, adjusting cylinder 214 output shaft with location adjusting connecting rod 212 rotates and connects, just adjusting cylinder 214 cylinder body rotation axis is on a parallel with location adjusting connecting rod 212 rotation axis. When the upper die holder 101 moves down and the upper die block 102 is abutted against the lens frame, the two positioning shifting plates 213 are respectively arranged at two sides of the lens frame, the adjusting cylinder 214 drives the positioning adjusting connecting rod 212 to turn, so that the two positioning shifting plates 213 draw close in opposite directions, and the positioning shifting plates 213 are abutted against the lens frame and adjust the position of the lens frame.

In order to ensure that the lens frame is cooled quickly after being bent, the upper mold mounting frame 313 is provided with a vent hole 351 for cooling the lens frame quickly, the vent hole 351 penetrates through the upper mold block 102, the lower end surface of the upper mold block 102 is provided with a plurality of vent grooves 352 communicated with the vent hole 351, and the vent hole 351 is located at the center of the upper mold block 102. Through ventilating the air vent 351, the air current discharges through air slot 352 and contacts with the picture frame of air slot 352 position, makes the air around the picture frame flow fast, improves picture frame cooling rate, makes the picture frame cool off fast, ensures the fixed shape of picture frame.

An adjusting positioning assembly for adjusting the position of the positioning frame 211 is arranged between each positioning frame 211 and the upper die holder 101, and comprises a positioning long groove 221 formed in the upper die holder 101, a positioning bolt 222 in threaded connection with the positioning frame 211 and penetrating through the positioning long groove 221, positioning scale marks 223 arranged on the side wall of the base, and a positioning reading block 224 arranged on the positioning frame 211 and corresponding to the positioning scale marks 223, wherein the length direction of the positioning long groove 221 is parallel to the arrangement direction of the two upper die blocks 102, the positioning long groove 221 can be in a U shape, the positioning bolt 222 can lock and position the position of the positioning frame 211 relative to the upper die holder 101, the length direction of the positioning long groove 221 is arranged along the arrangement direction of the two upper die blocks 102, and the length direction of the positioning scale marks 223 is parallel to the length direction of the positioning long groove 221. Positioning bolts 222 are loosened to facilitate the movement of the positioning frame 211 relative to the upper die holder 101 along the arrangement direction of the upper die row, so that the distance between the two positioning shifting plates 213 is adjusted, the position of the mirror frame relative to the lower die block 107 is conveniently shifted and adjusted, and meanwhile, the adjusting position is judged and confirmed through positioning scale marks 223 and a positioning reading block 224.

The lower die device comprises a bottom plate 105 arranged on the frame bending forming machine, a conveying mechanism arranged on the bottom plate 105 and used for conveying the frame, and a lower die mechanism used for mounting and fixing the conveyed frame; the lower die mechanism comprises a lower die base 106 rotationally connected to the bottom plate 105, a lower die block 107 arranged on the lower die base 106 and used for mounting a lens frame, a rotating component used for driving the lower die base 106 to rotate, a clamping and fixing component used for clamping and fixing the lens frame, and a mounting and adjusting component used for mounting and adjusting the relative angle of the two lower die blocks 107; the lower die holder 106 is arranged horizontally in the rotating axial direction.

The conveying mechanism comprises a receiving base 401 fixedly connected to the bottom plate 105, a sliding assembly arranged on the base and sliding towards the direction of the lower die holder 106, a material receiving fork 402 arranged on the sliding assembly and abutted to the lower end face of the frame, a material receiving frame 403 arranged on the sliding assembly and used for abutting the side wall of the frame away from one side of the lower die holder 106, and a positioning assembly arranged on the bottom plate 105 and used for positioning the frame. The sliding assembly comprises a first receiving slide block 411 horizontally sliding relative to the receiving base 401, a first sliding cylinder 412 for driving the first receiving slide block 411 to slide towards the lower die holder 106, a second receiving slide block 413 horizontally sliding relative to the first receiving slide block 411, a third receiving slide block 414 horizontally sliding relative to the second receiving slide block 413, a second sliding cylinder 415 for driving the second receiving slide block 413 to slide, and a third sliding cylinder 416 for driving the third receiving slide block 414 to slide; in this embodiment, the second receiving block 413 is slidably connected to the receiving base 401, the first receiving block 411 is slidably connected to the upper surface of the second receiving block 413, the third receiving block 414 is slidably connected to the upper surface of the second receiving block 413, sliding rails are disposed among the first receiving block 411, the second receiving block 413, and the third receiving block 414, the first sliding cylinder 412 is fixed to the receiving base 401 and the output shaft is fixed to the first receiving block 411, the second sliding cylinder 415 is fixed to the first receiving block and the output shaft is fixed to the second receiving block 413, the third sliding cylinder 416 is fixed to the third receiving block and the output shaft is fixed to the second receiving block, and the sliding directions of the second receiving block 413 and the third receiving block 414 are the same as the sliding direction of the first receiving block 411. The receiving fork 402 is fixedly connected to the third receiving slide 414, the receiving fork 402 can protrude from the side wall of the receiving frame 403 facing the lower die holder 106, and the receiving frame 403 is installed on the second receiving slide 413. And the material receiving frame 403 is provided with a buffering elastic sheet 404 which prevents the frame from being excessively extruded, and the material receiving frame 403 has elastic deformation capability, so that the frame can be prevented from being extruded and deformed.

The material receiving frame 403 is hinged to the side wall of the second receiving sliding block 413, which faces the lower die holder 106, a rotating torsion spring 421 is installed at the hinged end of the material receiving frame 403 and the second receiving sliding block 413, the material receiving frame 403 is obliquely arranged from bottom to top in a direction away from the lower die holder 106, the first receiving sliding block 411 is provided with a connecting rod 422 abutted to the material receiving frame 403, the abutting end of the connecting rod 422 and the material receiving frame 403 is located below the rotating torsion spring 421, namely, after the second receiving sliding block 413 slides towards the lower die holder 106 relative to the first receiving sliding block 411, the material receiving frame 403 rotates towards the lower die holder 106 by taking the end of the connecting rod 422 as a fulcrum. After the first sliding cylinder 412 drives the mirror frame to move towards the lower die holder 106, the mirror frame is close to the lower die block 107, the second sliding cylinder 415 drives the second receiving slide block 413 to move towards the lower die holder 106, the second receiving slide block 413 drives the material receiving frame 403 to move towards the lower die holder 106, the material receiving frame 403 is enabled to turn towards the lower die holder 106 by taking the butt ends of the material receiving frame 403 and the connecting rod 422 as fulcrums, the mirror frame is mounted at the position of the lower die block 107, and therefore the mirror frame is automatically, efficiently and accurately mounted on the lower die block 107.

The positioning assembly of the conveying mechanism comprises a bidirectional cylinder 431 (which is a bidirectional rodless cylinder and is a prior art) fixedly connected to the bottom plate 105, two positioning blocks 432 symmetrically arranged at the output end of the corresponding bidirectional cylinder 431, and positioning plates 433 arranged at the positioning blocks 432 and in an L shape, wherein the two positioning plates 433 are oppositely arranged, and the mirror frame is positioned between the two positioning plates 433. That is, after the frame falls down, the end surface butt under the frame is in connecing fork 402, and the frame deviates from a side surface butt of lower die holder 106 in connecing the frame 403 to but two locating plates 433 butt respectively surround the frame all around in the frame towards the surface and the frame both sides lateral wall of lower die holder 106. And in this application, locating plate 433 is horizontal sliding connection in locating piece 432, and the direction of sliding of locating plate 433 is on a parallel with the direction of sliding of first receiving slider 411, is provided with the slide rail structure between locating plate 433 and locating piece 432, all is provided with the reset torsion spring 434 that stirs locating plate 433 and reset between locating plate 433 and locating piece 432. During operation, after the heated mirror frame falls into the space surrounded by the positioning plate 433, the material receiving frame 403 and the material receiving fork 402, the two positioning plates 433 are driven by the bidirectional cylinder 431 to move oppositely, so that the center of the mirror frame is positioned, the position of the mirror frame is ensured to be consistent with that of the corresponding lower module 107, then when the mirror frame is pushed into the lower module 107 by the material receiving frame 403, the mirror frame pulls the positioning plate 433 to move for a certain distance towards the direction of the lower die base 106, and after the mirror frame is separated from the positioning plate 433, the mirror frame is arranged in the lower module 107 due to the elastic deformation of the positioning plate 433, and the positioning plate 433 is; slide for locating piece 432 through locating plate 433 and play the cushioning effect, avoid locating plate 433 and picture frame rigidity collision, have elasticity through locating plate 433 simultaneously and be convenient for the picture frame break away from locating plate 433.

The rotating parts of the lower die mechanism comprise a rotating shaft 501 mounted on the side wall of the lower die holder 106, a rotating cylinder 502 fixed on the bottom plate 105 and driving the rotating shaft 501, a gear 503 fixed on the rotating shaft 501, a rack 504 slidably connected to the bottom plate 105 and meshed with the gear 503, and a driving cylinder 505 fixed on the bottom plate 105 and driving the rack 504 to slide. In the present embodiment, the driving cylinder 505 drives the rotating shaft 501 to rotate by 90 °, and the rotating cylinder 502 drives the rotating shaft 501 to rotate by 180 °. Even during the time of using, drive rack 504 through driving actuating cylinder 505 and remove to drive pivot 501 through rack 504 that is gear 503 and rotate, realize lower die holder 106 and rotate 90 towards conveying mechanism, make things convenient for conveying mechanism to put picture frame conveyor on lower module 107, after to the completion of mirror frame bending, drive lower die holder 106 through revolving cylinder 502 and rotate 180 degrees, make lower die holder 106 and lower module 107 state down, the picture frame of being convenient for drops, realizes the automatic discharge function.

The bottom plate 105 is fixedly provided with a support 511 which is rotatably connected with the lower die holder 106, the support 511 and the rotating shaft 501 are respectively arranged at two sides of the lower die holder 106, the side wall of the support 511 is fixedly provided with an L-shaped control block 512 for controlling the rotating angle of the lower die holder 106, the upper surface of the lower die holder 106 can be abutted against the lower surface of the L-shaped control block 512, the lower die holder 106 can be abutted against the upper surface of the L-shaped control block 512 after the lower die holder 106 is turned, and the lower die holder 106 is provided with two hydraulic buffers 513 which can be respectively abutted against the upper surface and. The L-shaped control block 512 can effectively position the lower die holder 106 to rotate by an angle, and ensure that the lower die holder 106 is in a vertical upward state or a downward state, and simultaneously, the hydraulic buffer 513 plays a role in buffering and reducing noise. A fixing component for preventing the lower die holder 106 from overturning after being pressed is arranged between the bottom plate 105 and the lower die holder 106, the fixing component comprises a fixing lug 514 which is arranged on the lower die holder 106 and protrudes out of the side wall of the lower die holder 106, a fixing connecting rod 522 of which one end is rotatably connected to the bottom plate 105, a fixing bulge 523 which is arranged on the fixing connecting rod 522 and can be abutted against the upper end surface of the fixing lug 514, and a fixing cylinder 524 which is arranged on the bottom plate 105 and drives the fixing connecting rod 522 to rotate towards the direction of the lower die holder 106, wherein the fixing lug 514 protrudes out of the side wall. Because when carrying out the extrusion to the mirror frame, the lower bolster 106 atress is uneven, when leading to the extrusion easily, lower bolster 106 deflects, in this embodiment, lower bolster 106 can only deflect towards the conveying mechanism direction, so restrict lower bolster 106 through fixed subassembly and deflect towards the conveying mechanism direction, rotate certain angle back through fixed cylinder 524 drive fixed connecting rod 522, fixed protruding 523 butt in fixed lug 514 up end to restriction lower bolster 106 deflects towards the conveying mechanism direction.

The mounting and adjusting component of the lower die mechanism comprises a main support 601 mounted on the upper end surface of the lower die base 106, two branch supports 602 respectively arranged on two sides of the main support 601, and an angle adjusting component arranged between the lower die base 106 and the main support 601 and used for adjusting the bending angles of the two lower die blocks 107. The angle adjusting assembly comprises an adjusting column 621 which is arranged in the lower die base 106 in a penetrating mode and is slidably connected to the lower die base 106, a penetrating hole 622 which is arranged in the lower die base 106 and is used for the adjusting column 621 to penetrate, a locking bolt 623 which is connected to the lower die base 106 in a threaded mode and can penetrate into the penetrating hole 622, and the main support 601 is connected to the adjusting column 621 in a clamping mode and moves synchronously along with the adjusting column 621. When the adjustable support is used, the locking bolt 623 is loosened, the telescopic position of the adjusting column 621 relative to the penetrating hole 622 is adjusted, namely the height of the main support 601 relative to the lower die holder 106 is adjusted, and then the locking bolt 623 is screwed down, so that the relative rotation angle of the two lower die blocks 107 is adjusted.

Each lower module 107 is provided with four horizontally arranged pin shafts 611, the four pin shafts 611 are symmetrical in pairs, the axes of the pin shafts 611 are perpendicular to the axial direction of the lower die holder 106, the four pin shafts 611 are respectively clamped in the corresponding main bracket 601 and the corresponding sub-bracket 602, the sub-bracket 602 is provided with two sub-clamping grooves 612 into which the corresponding pin shafts 611 are clamped, the side wall of the main bracket 601 facing the two sub-brackets 602 is provided with two main clamping grooves 613 aligned with the sub-clamping grooves 612, the sub-clamping grooves 612 and the main clamping grooves 613 are both U-shaped, and the sub-clamping grooves 612 and the corresponding main clamping grooves 613 are oppositely arranged. In this embodiment, the sub-brackets 602 are slidably connected to the lower die holder 106 toward the main bracket 601, and the lower die holder 106 is provided with two springs for pushing the corresponding sub-brackets 602 to move toward the main bracket 601.

When the lower module 107 is installed, the branch frame 602 is pulled and the branch frame 602 moves away from the main support 601, so that the lower module 107 is conveniently placed between the branch frame 602 and the main support 601, the pin shaft 611 of the lower module 107 is respectively clamped into the corresponding main clamping groove 613 and the corresponding sub-clamping groove 612, the branch frame 602 is driven to move towards the main support 601 through spring return, the pin shaft 611 is ensured to be clamped into the corresponding main clamping groove 613 and the corresponding sub-clamping groove 612, the lower module 107 is fixed, and the lower module 107 can be installed quickly and conveniently.

The frame clamping fixing component of the lower die mechanism comprises a clamping cylinder 701 which is installed on the lower die base 106 and vertically upwards, a clamping connecting block 702 which is installed on an output shaft of the clamping cylinder 701, and a clamping elastic sheet 703 which is installed on the clamping connecting block 702 and is V-shaped, wherein control grooves 704 for the clamping elastic sheet 703 to penetrate are formed in opposite side walls of the two lower die blocks 107, and the clamping elastic sheet 703 is fixedly connected with two clamping protrusions 705 which are respectively abutted to the inner wall of the lens frame. A lower frame beam mold 706 for abutting the frame beam is fixed on the clamping connection block 702, that is, the frame beam abuts against the lower frame beam mold 706 and bends the frame beam to be fitted on the surface of the lower frame beam mold 706, thereby realizing the bending of the frame. In this embodiment, the clamping cylinder 701 is fixedly installed in the adjusting column and vertically arranged upward, the clamping connection block 702 can move up and down relative to the lower die holder 106 and can be abutted against the upper surface of the main support 601, and the clamping elastic sheet 703 has elasticity. The inner wall of the lens frame is generally formed with a lens groove for clamping and fixing the lens, and in this embodiment, the clamping protrusion 705 corresponds to and can be clamped into the lens groove in the lens frame. When the lens frame is used, the lens frame device is firstly arranged in the two lower modules 107, the V-shaped two ends of the clamping elastic sheet 703 are respectively arranged in the corresponding lens frames in a penetrating mode, then the clamping air cylinder 701 drives the clamping connecting block 702 and the clamping elastic sheet 703 to move towards the direction of the lower die holder 106, the V-shaped side wall of the clamping elastic sheet 703 is abutted to the bottom surface of the control groove 704, the two V-shaped side walls of the clamping elastic sheet 703 are mutually closed, the clamping protrusions 705 are moved oppositely and abutted to the inner wall of the lens frame, the effect of clamping the fixed lens frame is achieved, and the lens frame can be further ensured to be fixed by clamping the clamping protrusions 705 into the.

When the mirror frame is bent and formed, after the heated mirror frame falls into a space surrounded by the positioning plate 433, the material receiving frame 403 and the material receiving fork 402, the two positioning plates 433 are driven by the bidirectional air cylinder 431 to move oppositely to realize the positioning of the center of the mirror frame and ensure that the position of the mirror frame is consistent with that of the corresponding lower module 107, the first sliding air cylinder 412 drives the first receiving slide block 411, the second receiving slide block 413 and the third receiving slide block 414 to move towards the lower die base 106 synchronously so that the mirror frame approaches to the position of the lower module 107, then the second sliding air cylinder 415 drives the second receiving slide block 413 and the third receiving slide block 414 to move continuously towards the lower die base 106, the second receiving slide block 413 drives the material receiving frame 403 to operate and make the mirror frame abut against the lower module 107, after the positioning plate 433 is shifted towards the lower die base 106 for a certain distance, the positioning plate 433 is elastically deformed so that the mirror frame is separated from the positioning plate 433 and then placed into, and the positioning plate 433 is shifted to reset through the reset torsion spring 434; when the frame abuts against the two lower modules 107, the two V-shaped ends of the clamping elastic sheet 703 penetrate through the corresponding frame, the clamping cylinder 701 drives the clamping connecting block 702 and the clamping elastic sheet 703 to move towards the lower die holder 106, the V-shaped side walls of the clamping elastic sheet 703 abut against the bottom surface of the control groove 704, the two V-shaped side walls of the clamping elastic sheet 703 approach each other, the clamping elastic sheet 703 abuts against the inner wall of the frame, and the frame is clamped and fixed. After the frame is clamped and fixed, the rack 504 is driven to move by the driving cylinder 505, and the rack 504, namely the gear 503, drives the rotating shaft 501 to rotate, so that the lower die holder 106 rotates 90 degrees, the lower die block 107 and the frame are upward, and the frame is positioned under the upper die block 102. Then, the upper die device moves downwards to perform extrusion forming, and the upper die base 101 can be driven to move downwards through the lifting cylinder 104, so that the upper die block 102 and the upper frame beam die 103 are in contact with the frame; then dial board 213 and rotate in opposite directions and the butt realizes the accurate location to the picture frame in the picture frame through two positioning cylinder 214 drives two, then drive driving piece 324 downstream through shaping extrusion cylinder 323, connect in the roller 326 butt of driving piece 324 in erection column 321 up end and promote erection column 321 to move down, erection column 321 drives upper picture frame roof beam mould 103 and moves down in step, make upper picture frame roof beam mould 103 butt in the picture frame roof beam and to picture frame roof beam extrusion, make the picture frame crooked, after the picture frame is crooked to be accomplished, through ventilating air vent 351, make the peripheral air rapid circulation of picture frame, reach the quick cooling effect of picture frame. Then, the lifting cylinder 104 drives the upper die holder 101 to move upwards to separate the upper die block 102 from the mirror frame, and the rotary cylinder 502 drives the lower die holder 106 to rotate 180 degrees, so that the lower die holder 106 and the lower die block 107 are in a downward state, the mirror frame is convenient to fall off, and the automatic unloading function is realized.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a picture frame bending forming machine's moulded die device which characterized in that: the upper die device and the lower die device are arranged oppositely up and down;

the upper die device comprises an upper die holder (101) which is connected with the frame forming machine and can move up and down relative to the frame forming machine, a lifting cylinder (104) which is connected between the frame forming machine and the upper die holder (101) and drives the upper die holder (101) to move up and down, and two upper die blocks (102) which are connected with the upper die holder (101) and respectively abut against the lens frame; the upper die holder (101) is provided with two groups of mirror frame positioning components which are symmetrically arranged and position the mirror frame relative to the upper module (102); an installation and adjustment assembly is arranged between the upper module (102) and the upper die holder (101), an upper frame beam die (103) which is abutted and extrudes a frame beam is arranged between the two upper modules (102), and the upper die holder (101) is provided with a driving extrusion assembly which drives the upper frame beam die (103) to move downwards and extrude the frame beam;

the lower die device comprises a bottom plate (105) arranged on the frame bending forming machine, a conveying mechanism arranged on the bottom plate (105) and used for conveying the frame, and a lower die mechanism used for mounting and fixing the conveyed frame; the lower die mechanism comprises a lower die base (106) rotatably connected to the bottom plate (105), a lower die block (107) arranged on the lower die base (106) and used for mounting a mirror frame, a rotating component used for driving the lower die base (106) to rotate, a clamping and fixing component used for clamping and fixing the mirror frame, and a mounting and adjusting component used for mounting and adjusting the relative angle of the two lower die blocks (107); the lower die holder (106) is arranged horizontally in the rotating axial direction.

2. A molding die apparatus for a bending machine of a mirror frame according to claim 1, wherein: the positioning assembly comprises a positioning frame (211) arranged on the upper die holder (101), a positioning adjusting connecting rod (212) hinged to the positioning frame (211), a positioning shifting plate (213) arranged on the positioning adjusting connecting rod (212), and an adjusting cylinder (214) connected to the positioning frame (211) and having an output shaft connected to the positioning adjusting connecting rod (212), wherein the connecting end of the output shaft of the adjusting cylinder (214) and the positioning adjusting connecting rod (212) and the connecting end of the positioning shifting plate (213) and the positioning adjusting connecting rod (212) are respectively close to the upper end and the lower end of the positioning adjusting connecting rod (212), the two positioning shifting plates (213) are respectively arranged on two sides of the two upper modules (102) and can be abutted against the two symmetrical side walls of the mirror frame;

the installation and adjustment assembly comprises an installation and adjustment column (311) penetrating through the upper die base (101), two hinged frames (312) hinged to the upper die base (101) respectively and symmetrically arranged on two sides of the installation and adjustment column (311), two upper die mounting frames (313) respectively rotatably connected to one ends, far away from the installation and adjustment column (311), of the hinged frames (312), and two adjustment control members (314) rotatably connected to the installation and adjustment column (311) and respectively connected with the upper die mounting frames (313), the rotation axial directions of the adjusting control member (314) and the hinge frame (312) are both horizontal and vertical to the arrangement direction of the two upper modules (102), the upper module (102) is fixed on the lower end surface of the upper die mounting frame (313), the side wall of the upper die holder (101) is in threaded connection with a locking bolt (315), and the end face of the locking bolt (315) can abut against the side wall of the installation adjusting column (311) and limit the installation adjusting column (311) to move up and down;

the driving extrusion assembly comprises a mounting column (321) which penetrates through the inner cavity of the mounting adjusting column (311) and is connected with the upper mirror frame beam die (103), a connecting beam (322) which is fixedly connected with the mounting adjusting column (311) and extends to the outer side of the upper die base (101), a forming extrusion cylinder (323) which is hinged to the connecting beam (322), and a driving piece (324) which is hinged to an output shaft of the forming extrusion cylinder (323) and drives the mounting column (321) to move up and down, wherein the mounting column (321) vertically penetrates through the mounting adjusting column (311), the output shaft of the forming extrusion cylinder (323) is vertically and downwards arranged, one end, far away from the forming extrusion cylinder (323), of the driving piece (324) is hinged to one side wall, far away from the forming extrusion cylinder (323), of the mounting adjusting column (311), of the side wall, away from the forming extrusion cylinder (323), is arranged on the driving rod (325) which penetrates through the mounting adjusting column (311), the driving rod (325) is positioned between the hinged end of the output shaft of the driving piece (324) and the forming extrusion cylinder (323) and the hinged end of the side wall of the mounting adjusting column (311), and the mounting adjusting column (311) is provided with a movable hole (327) for the penetration and the up-and-down movement of the driving rod (325).

3. A molding die apparatus for a bending machine of a mirror frame according to claim 2, wherein: an adjusting and positioning component for adjusting the position of the positioning frame (211) is arranged between the positioning frame (211) and the upper die holder (101), the adjusting and positioning assembly comprises a positioning long groove (221) arranged on the upper die holder (101), a positioning bolt (222) in threaded connection with the positioning frame (211) and penetrating through the positioning long groove (221), positioning scale marks (223) arranged on the side wall of the upper die holder (101), and a positioning reading block (224) arranged on the positioning frame (211) and corresponding to the positioning scale marks (223), the positioning bolt (222) can lock and position the positioning frame (211) relative to the upper die base (101), the length direction of the positioning long groove (221) is arranged along the arrangement direction of the two upper modules (102), the length direction of the positioning scale marks (223) is parallel to the length direction of the positioning long grooves (221).

4. A molding die apparatus for a bending machine of a mirror frame according to claim 2, wherein: the upper die mounting frame (313) is provided with a vent hole (351) used for rapidly cooling the mirror frame, the vent hole (351) penetrates through the upper die block (102), the lower end face of the upper die block (102) is provided with a plurality of vent grooves (352) communicated with the vent hole (351), and the vent hole (351) is located in the center of the upper die block (102).

5. A molding die apparatus for a bending machine of a mirror frame according to claim 1, wherein: the conveying mechanism comprises a receiving base (401) arranged on the bottom plate (105), a sliding component arranged on the receiving base (401) and sliding towards the direction of the lower die holder (106), a material receiving fork (402) arranged on the sliding component and abutted against the lower end face of the frame, a material receiving frame (403) arranged on the sliding component and used for abutting against the side wall of the frame, which is far away from the lower die holder (106), and a positioning component arranged on the bottom plate (105) and used for positioning the frame; the sliding assembly comprises a first receiving sliding block (411) which horizontally slides relative to the receiving base (401), a first sliding cylinder (412) which is used for driving the first receiving sliding block (411) to slide towards the direction of a lower die holder (106), a second receiving sliding block (413) which horizontally slides relative to the first receiving sliding block (411), a third receiving sliding block (414) which horizontally slides relative to the second receiving sliding block (413), a second sliding cylinder (415) which is used for driving the second receiving sliding block (413) to slide, and a third sliding cylinder (416) which is used for driving the third receiving sliding block (414) to slide, wherein the sliding directions of the second receiving sliding block (413) and the third receiving sliding block (414) are consistent with the sliding direction of the first receiving sliding block (411), the material receiving fork (402) is fixedly connected to the third receiving sliding block (414), and the material receiving frame (403) is hinged to the second receiving sliding block (413), the hinged end of the material receiving frame (403) and the hinged end of the second receiving sliding block (413) are provided with a rotating torsion spring (421), the material receiving frame (403) is obliquely arranged from bottom to top in a direction deviating from the lower die holder (106), the first receiving sliding block (411) is provided with a connecting rod (422) abutted against the material receiving frame (403), and after the second receiving sliding block (413) slides towards the lower die holder (106) relative to the first receiving sliding block (411), the material receiving frame (403) rotates towards the lower die holder (106) by taking the end part of the connecting rod (422) as a fulcrum;

the positioning assembly comprises a bidirectional cylinder (431) fixedly connected to the bottom plate (105), two positioning blocks (432) symmetrically arranged at the output end of the corresponding bidirectional cylinder (431), and positioning plates (433) arranged on the positioning blocks (432) and in an L shape, wherein the two positioning plates (433) are oppositely arranged, and the mirror frame is positioned between the two positioning plates (433); locating plate (433) be horizontal sliding connection in locating piece (432), just locating plate (433) direction of sliding is on a parallel with first receiving slider (411) direction of sliding, just all be provided with between locating plate (433) and locating piece (432) and stir reset torsional spring (434) that locating plate (433) reset.

6. A molding die apparatus for a bending machine of a mirror frame according to claim 5, wherein: the rotating part comprises a rotating shaft (501) arranged on the side wall of the lower die holder (106), a rotating cylinder (502) arranged on the bottom plate (105) and used for driving the rotating shaft (501), a gear (503) arranged on the rotating shaft (501), a rack (504) which is connected to the bottom plate (105) in a sliding mode and meshed with the gear (503), and a driving cylinder (505) arranged on the bottom plate (105) and used for driving the rack (504) to slide;

the fixing assembly is arranged between the bottom plate (105) and the lower die holder (106) and used for preventing the lower die holder (106) from overturning after being pressed, and comprises a fixing lug (514) arranged on the lower die holder (106) and protruding out of the side wall of the lower die holder (106), a fixing connecting rod (522) with one end rotatably connected to the bottom plate (105), a fixing bulge (523) arranged on the fixing connecting rod (522) and capable of abutting against the upper end face of the fixing lug (514), and a fixing cylinder (524) arranged on the bottom plate (105) and used for driving the fixing connecting rod (522) to rotate towards the direction of the lower die holder (106).

7. A molding die apparatus for a bending machine of a mirror frame according to claim 6, wherein: the mounting and adjusting component comprises a main support (601) arranged on the upper end surface of the lower die holder (106), two branch brackets (602) respectively arranged on two sides of the main support (601), a mounting component arranged between the lower die holder (106) and the branch brackets (602) and used for fixing the lower die block (107) after driving the branch brackets (602) to move, and an angle adjusting component arranged between the lower die holder (106) and the main support (601) and used for adjusting the bending angles of the two lower die blocks (107);

the sub-support (602) is connected to the lower die holder (106) in a sliding manner towards the main support (601), a spring (614) for pushing the sub-support (602) to move towards the main support (601) is arranged on the lower die holder (106), the angle adjusting assembly comprises an adjusting column (621) which is arranged on the lower die holder (106) in a penetrating manner and is connected to the lower die holder (106) in a sliding manner, a penetrating hole (622) which is arranged on the lower die holder (106) and is used for the adjusting column to penetrate, and a locking bolt (623) which is connected to the lower die holder (106) in a threaded manner and can penetrate into the penetrating hole (622), and the main support (601) is connected to the adjusting column (621) and moves synchronously along with the adjusting column (621).

8. A molding die apparatus for a bending machine of a mirror frame according to claim 6, wherein: each lower module (107) is provided with four pin shafts (611) which are horizontally arranged, the four pin shafts (611) are respectively connected with the corresponding main support (601) and the corresponding sub-support (602) in a clamping manner, the sub-support (602) is provided with two sub-clamping grooves (612) for the corresponding pin shafts (611) to be clamped in, and the main support (601) is provided with two main clamping grooves (613) aligned with the sub-clamping grooves (612) towards the side wall of the two sub-supports (602).

9. A molding die apparatus for a bending machine of a mirror frame according to claim 6, wherein: the clamping fixing component comprises a clamping cylinder (701) which is arranged on the lower die holder (106) and vertically upwards, a clamping connecting block (702) which is arranged on an output shaft of the clamping cylinder (701), and a clamping elastic sheet (703) which is arranged on the clamping connecting block (702) and is V-shaped, wherein two opposite side walls of the lower die block (107) are provided with control grooves (704) for the clamping elastic sheet (703) to penetrate through, and the clamping elastic sheet (703) is fixedly connected with two clamping protrusions (705) which are respectively abutted to the inner wall of the lens frame.

10. A molding die apparatus for a bending machine of a mirror frame according to claim 6, wherein: the bottom plate (105) is provided with a support (511) which is rotationally connected with one end, far away from the rotating shaft (501), of the lower die holder (106), the side wall of the support (511) is provided with an L-shaped control block (512) for controlling the rotating angle of the lower die holder (106), the upper surface of the lower die holder (106) can be abutted to the lower surface of the L-shaped control block (512), the lower die holder (106) can be abutted to the upper surface of the L-shaped control block (512) after the lower die holder (106) is turned, and the lower die holder (106) is provided with two hydraulic buffers (513) which can be respectively abutted to the upper surface and the lower surface of the L-shaped control block (.