CN113752124A

CN113752124A - Grinding die and optical lens grinder

Info

Publication number: CN113752124A
Application number: CN202110984515.XA
Authority: CN
Inventors: 陈萩林; 王新伟; 钟家跃
Original assignee: Nanjing Dongkeda Photoelectric Technology Co ltd
Current assignee: Nanjing Dongkeda Photoelectric Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-12-07

Abstract

The invention discloses a grinding die and an optical lens grinding machine, and relates to the field of optical lens processing equipment, wherein the grinding die comprises a base, a placing groove for placing a pillow-shaped lens is formed in the base, grinding surfaces are arranged on two opposite sides of the placing groove, and the two grinding surfaces are arc surfaces; optical lens grinds machine includes the frame, the workstation, actuating mechanism, stop gear and pushing mechanism and grinding die, the workstation slides and sets up in the frame, actuating mechanism sets up the below at the workstation and is used for driving the workstation and removes, stop gear sets up on the workstation and is used for spacing to grinding die, stop gear includes the bottom plate and sets up the spacing subassembly of first spacing subassembly and second on the bottom plate, the bottom plate sets up on the workstation, pushing mechanism sets up the top at the workstation. This application can realize the grinding to pillow type lens to satisfy the processing demand.

Description

Grinding die and optical lens grinder

Technical Field

The invention relates to the field of optical lens processing equipment, in particular to a grinding die and an optical lens grinding machine.

Background

At present, in the process of processing the optical lens, the optical lens needs to be polished first, and because the optical lens is processed by very precise work, the optical lens needs to be roughly polished first and then finely polished.

As shown in fig. 1, in the process of processing the lens, the pillow type lens 8 needs to be polished, the pillow type lens 8 has a trapezoidal longitudinal section, the pillow type lens 8 includes a vertical portion 81 and an inclined portion 82, the vertical portion 81 is integrally formed with the inclined portion 82, the vertical portion 81 is located above the inclined portion 82, and both side walls of the inclined portion 82 are inclined surfaces.

Aiming at the pillow-type lens, the inclined surfaces on the two sides of the pillow-type lens need to be roughly polished by a mold, so that the inclined surfaces on the two sides of the pillow-type lens are polished into cambered surfaces.

Disclosure of Invention

In order to realize carrying out thick the polishing to the inclined plane of pillow type lens both sides for the inclined plane of pillow type lens both sides is polished into the cambered surface, this application provides a grinding die and optical lens grinds machine.

The application provides a grinding die adopts following technical scheme to obtain:

the utility model provides a grinding die, includes the base, set up the standing groove that is used for placing pillow type lens on the base, all establish to the abrasive surface in the both sides that the standing groove is relative, and two the abrasive surface is the arcwall face, the abrasive surface is used for polishing the inclined plane of the rake of pillow type lens.

Through the technical scheme, when the inclined planes on two sides of the inclined part of the pillow-shaped lens are required to be polished, an operator firstly installs and fixes the grinding die on the optical lens grinding machine, then places the pillow-shaped lens on the base, enables the side edge of the inclined part of the pillow-shaped lens to be in contact with the grinding surface, and presses and limits the pillow-shaped lens from the upper part through the pressing mechanism. During operation, optical lens grinds machine drive grinding mold and removes for relative movement and friction take place between grinding mold and the pillow type lens, make the side edge of rake polished, the inclined plane is close to the abrasive surface gradually, is polished into the arcwall face until the inclined plane of rake, thereby realizes polishing to pillow type lens, has realized automated processing and has polished, is favorable to improving work efficiency.

Preferably: a groove is formed in the bottom wall of the placing groove along the axis direction.

Through above-mentioned technical scheme, the setting of recess for at the piece that grinding in-process produced, partly piece can follow the both ends landing of base and go out, and another part can be along the abrasive surface landing in the recess, is favorable to reducing the piece and remains between abrasive surface and pillow type lens, and leads to the possibility of pillow type lens's surperficial unevenness.

The application still provides an optical lens grinds machine, adopts following technical scheme to obtain:

an optical lens grinder comprises a rack, a workbench, a driving mechanism, a limiting mechanism, a pressing mechanism and a grinding die, wherein the workbench is arranged on the rack in a sliding mode, the driving mechanism is arranged on the rack, the driving mechanism is located below the workbench and used for driving the workbench to move, the limiting mechanism comprises a bottom plate and a first limiting assembly and a second limiting assembly which are arranged on the bottom plate, the bottom plate is arranged on the workbench, the grinding die is placed on the bottom plate, and the grinding die is limited through the first limiting assembly and the second limiting assembly; the pressing mechanism is arranged on the frame and is positioned above the workbench and used for pressing and limiting the pillow-shaped lens on the grinding mold in the vertical direction.

According to the technical scheme, during work, an operator firstly places the grinding die on the bottom plate and carries out limiting and fixing on the grinding die through the first limiting assembly and the second limiting assembly; and then the pillow-shaped lens is placed on a grinding die, and the pillow-shaped lens is pressed and fixed through a pressing mechanism. Then the driving mechanism drives the workbench to move along the rack, the moving direction of the workbench is in the same direction with the central line of the pillow-shaped lens, the limiting mechanism and the grinding mold are driven to move, sliding friction is formed between the grinding mold and the pillow-shaped lens at the moment, and accordingly the pillow-shaped lens is ground.

Preferably: first spacing subassembly includes two butt pieces, two the butt piece is located one side that the bottom plate deviates from the workstation, and two the butt piece sets up relatively, two the butt piece is all through screw fixed connection on the bottom plate, two the butt piece is laminated with grinding die's both sides respectively mutually.

Through above-mentioned technical scheme, when the both ends that extend along the central line direction of needs to grinding mould limit the location, the operator in advance with the interval adjustment between two butt pieces to with grinding mould's length matched with length, the rethread screw is fixed the butt piece on the bottom plate. When the distance between the two abutting blocks needs to be adjusted, an operator unscrews the screw and adjusts the position of the abutting blocks to adapt to the length of the grinding die. The arrangement is favorable for expanding the application range of the limiting mechanism.

Preferably: the second limiting assembly comprises two screw rods, each screw rod is simultaneously penetrated through two abutting blocks, one end of each screw rod penetrating through the abutting blocks is connected with a nut, the nuts are abutted to the abutting blocks, and the screw rods are respectively attached to two sides, far away from the abutting blocks, of the grinding mold.

Through above-mentioned technical scheme, the cooperation setting of screw rod and nut is favorable to the position of two butt joint pieces to keep relatively fixed. When the grinding die is placed on the bottom plate, the two screw rods are respectively attached to the two sides of the grinding die extending along the direction of the central line, so that the grinding die is further limited, and the stability of the position of the grinding die on the workbench is improved.

Preferably: the driving mechanism comprises a motor, a gearbox, a transmission assembly and a driving assembly, the motor is arranged on the rack and located below the workbench, the gearbox is arranged on the rack, the motor drives the gearbox to work through the transmission assembly, the driving assembly comprises an eccentric wheel disc and a connecting rod, the eccentric wheel disc is connected with the output end of the gearbox, the eccentric wheel disc is eccentrically arranged with the output end of the gearbox, one end of the connecting rod is rotatably connected with the workbench, the other end of the connecting rod is rotatably connected with the eccentric wheel disc, and the connecting rod is connected with the eccentric wheel disc in a sliding manner.

Through above-mentioned technical scheme, the during operation, motor work drives gearbox work through drive assembly for gearbox work makes the eccentric rim plate rotatory, and then makes the connecting rod take place to remove, and the both ends of connecting rod all take place to rotate, thereby the connecting rod pulls the workstation and removes, and the moving direction of workstation keeps the syntropy with grinding die's central line direction, takes place relative movement and friction between grinding die and the pillow type lens this moment, realizes polishing to pillow type lens.

Preferably: one side of the eccentric wheel disc, which is far away from the gearbox, is provided with an installation block, a slide rail is arranged on the installation block, a slide block is connected in the slide rail in a sliding manner, and the sliding direction of the slide block and one end, far away from the workbench, of the connecting rod are rotatably connected with the slide block.

Through above-mentioned technical scheme, when the eccentric wheel dish was rotatory, drive the connecting rod and link to move along the slide rail to the one end of connecting rod rotates round the turning point between connecting rod and the slider, and the other end is rotatory round the turning point between connecting rod and the workstation, thereby makes the connecting rod drive the workstation and removes. The arrangement of the sliding rail and the sliding block plays a role in guiding the moving direction of the connecting rod, so that the sliding stability of the connecting rod is improved.

Preferably: the lower pressing mechanism comprises a fixing frame, a connecting frame and a pressing rod, the fixing frame is fixedly connected with the rack, one end of the connecting frame is rotatably connected with the fixing frame, the connecting frame is located above the workbench, the pressing rod is arranged on the connecting frame, and the pressing rod is used for pressing and limiting the pillow-shaped lens on the grinding mold in the vertical direction.

Through above-mentioned technical scheme, when the operator placed pillow type lens on grinding die, the operator with the link round with the mount between the rotation point rotatory, contradict at the top of pillow type lens until the depression bar, carry out the spacing of vertical direction to pillow type lens to when grinding die carries out horizontal migration, grinding die can polish pillow type lens, be favorable to improving the stability of polishing.

Preferably: the connecting frame is far away from one end fixedly connected with connecting cylinder of mount, just it has seted up the through-hole to run through in the connecting cylinder, peg graft pole has been pegged graft in the through-hole, just threaded connection has the pole of keeping tight on the connecting cylinder, the one end of keeping tight pole is worn to establish in the through-hole and is supported tightly on the peg graft pole, the one end fixedly connected with fixed block that the connecting cylinder was kept away from to the peg graft pole, it has seted up the mounting hole to run through on the fixed block, the mounting hole is worn to establish by the depression bar, locking seam has been seted up to one side of fixed block, locking seam communicates with the mounting hole, just the locking seam runs through the terminal surface at fixed block both ends respectively along the both ends of vertical direction, threaded connection has the bolt on the fixed block, the locking seam is worn to establish by the bolt for locking seam locking, the pore wall of mounting hole hold tightly in the outside of depression bar.

Through above-mentioned technical scheme, adopt the mode of dismantling the connection between depression bar and the link, the operator of being convenient for installs or dismantles the depression bar. Moreover, the horizontal position of the pressure lever can be adjusted by adjusting the positions of the insertion rod and the through hole according to the position of the pillow-shaped lens; meanwhile, the position of the pressing rod in the vertical direction in the mounting hole can be adjusted by adjusting the position of the pressing rod in the vertical direction, so that the adaptation degree of the pressing rod between the pressing rod and a pressed pillow-shaped lens in use is improved, and the stability of pressing limitation of the pressing rod on the pillow-shaped lens is facilitated.

Preferably: the fixing frame is fixedly provided with a cross rod, the cross rod is located below the connecting frame, the cross rod is connected with a supporting rod, a vertical rod is arranged on the connecting frame, the vertical rod is in threaded connection with the connecting frame, the vertical rod penetrates through the connecting frame, and the vertical rod is located above the supporting rod.

Through above-mentioned technical scheme, when optical lens grinds machine stop work, the operator rotates the link downwards around the pivot between link and the mount, and the pole setting on the link is inconsistent with the die-pin until. At the moment, the connecting frame is supported on the support rod through the vertical rod, and the support rod supports the connecting frame through the vertical rod, so that the stability of the height position of the connecting frame when the connecting frame is idle is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. grinding the inclined surfaces on the two sides of the inclined part of the pillow-shaped lens by using the grinding die, so that the inclined surfaces on the two sides of the inclined part of the pillow-shaped lens are ground into an arc shape, and the pillow-shaped lens is ground;

2. during operation, actuating mechanism drive workstation is moving along the length direction of frame for the workstation drives and takes place sliding friction between grinding die and the pillow type lens, thereby reaches the effect of grinding the pillow type lens, reaches the effect of automatic polishing, is favorable to improving the efficiency of polishing.

Drawings

Fig. 1 is a schematic view for embodying a structure of a pillow lens before it is roughly ground.

Fig. 2 is a schematic structural diagram for embodying the optical lens grinder to perform rough grinding on a pillow-type lens in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram for embodying the worktable, the grinding mold and the roughly ground pillow-type lens in the embodiment of the present application.

Fig. 5 is a schematic structural diagram for showing the positional relationship between the pressing mechanism and the abutting assembly and the pillow-shaped lens in the embodiment of the present application.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Description of reference numerals: 1. grinding the die; 11. a base; 12. a placement groove; 121. grinding the surface; 122. a groove; 2. a frame; 21. a guide roller; 22. a slipping sleeve; 23. a support frame; 3. a work table; 31. accommodating grooves; 4. a drive mechanism; 41. a motor; 411. a belt pulley; 41. a drive belt; 42. a gearbox; 421. an eccentric wheel disc; 422. a connecting rod; 423. mounting blocks; 424. a slide rail; 425. a slider; 5. a limiting mechanism; 51. a base plate; 52. a butting block; 53. a screw; 531. a nut; 6. a pressing mechanism; 61. a fixed mount; 611. rotating the rod; 62. a connecting frame; 621. a connecting cylinder; 622. a through hole; 623. a plug rod; 624. a tightening rod; 625. a fixed block; 626. mounting holes; 627. locking the seam; 628. erecting a rod; 63. a pressure lever; 64. a cross bar; 65. a support rod; 7. a propping component; 71. a first disc; 711. a circular truncated cone; 71. a slot; 72. a second disc; 721. inserting the column; 8. a pillow-type lens; 81. a vertical portion; 82. an inclined portion.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses a grinding mold and an optical lens grinding machine thereof.

Referring to fig. 2, an optical lens grinder includes a frame 2, a table 3, a driving mechanism 4, a limiting mechanism 5, a pressing mechanism 6, and a grinding mold 1. The workbench 3 is arranged on the frame 2 in a sliding mode, the driving mechanism 4 is arranged on the frame 2 and located below the workbench 3, and the driving mechanism 4 is used for driving the workbench 3 to move on the frame 2 in the horizontal direction. The limiting mechanism 5 is arranged on the workbench 3 and used for limiting the grinding mold 1 on the workbench 1, and the pillow-shaped lens 8 to be ground is placed on the grinding mold 1. The pressing mechanism 6 is arranged on the frame 2, the pressing mechanism 6 is positioned above the workbench 3, and the pressing mechanism 6 is used for pressing the pillow-shaped lens 8 in the vertical direction.

When polishing, suppress pillow type lens 8 in vertical direction through pushing down mechanism 6 for pillow type lens 8 keeps fixed with grinding mold 1 at the ascending relative position of vertical side, and actuating mechanism 4 drive workstation 3 removes after that, and workstation 3 drives grinding mold 1 and removes along the horizontal direction, and grinding mold 1 rubs with pillow type lens 8, realizes polishing pillow type lens 8 roughly.

Referring to fig. 2, two guide rollers 21 are horizontally disposed on the frame 2, the two guide rollers 21 are disposed opposite to each other, and the axes of the two guide rollers 21 are parallel to each other. The outside of two guide rolls 21 all is equipped with two sleeves 22 that slide, and sleeve 22 slides with guide rolls 21 and is connected, and the outside of four sleeves 22 that slide all is connected with the bottom fixed connection of workstation 3.

Referring to fig. 2, the driving mechanism 4 includes a motor 41, a gear box 42, a transmission assembly and a driving assembly, and the motor 41 is horizontally disposed on the frame 2 and below the worktable 3. The support frame 23 is welded at one end, close to the guide roller 21, of the rack 2, the gearbox 42 is arranged on the support frame 23, the motor 41 drives the gearbox 42 to work through the transmission assembly, and the gearbox 42 drives the workbench 3 to move through the driving assembly.

Referring to fig. 2, the transmission assembly includes two pulleys 411 and a transmission belt 412, wherein one pulley 411 is coaxially connected with the rotation shaft of the motor 41, the other pulley 411 is coaxially connected with the rotation shaft of the transmission case 42, and the transmission belt 412 is simultaneously wound and tensioned around the outer sides of the two pulleys 411. When the motor 41 is operated, the rotating shaft of the gear box 42 is driven to rotate through the friction transmission of the transmission belt 412 and the two pulleys 411, so that a power source is provided for the gear box 42.

Referring to fig. 2 and 3, the driving assembly includes an eccentric disc 421 and a connecting rod 422, the eccentric disc 421 is connected to the output end of the transmission case 42, and the eccentric disc 421 is eccentrically disposed to the output end of the transmission case 42. One end of the connecting rod 422 is rotatably connected with the bottom of the workbench 3, the other end is rotatably connected with the eccentric wheel disc 421, and the connecting rod 422 is connected with the eccentric wheel disc 421 in a sliding manner. One side that eccentric wheel disc 421 deviates from gearbox 42 is equipped with installation piece 432, and installation piece 423 passes through bolt fixed connection on eccentric wheel disc 421, and the one end that installation piece 423 is close to eccentric wheel disc 421 edge extends to the outside of eccentric wheel disc 421. The mounting block 423 is provided with a slide rail 424, the opening direction of the slide rail 424 is coincident with the radial direction of the eccentric wheel disc 421, the slide rail 424 is connected with a slide block 425 in a sliding manner, and the slide block 425 is rotatably connected with one end, far away from the workbench 3, of the connecting rod 422.

When the gearbox 42 works, the eccentric wheel disc 421 is driven to rotate, so that the sliding block 425 slides along the sliding rail 424, at this time, the connecting rod 422 and the sliding block 425 rotate, and the connecting rod 422 drives the working sliding sleeve 22 to slide along the axial direction of the guide roller 21, thereby guiding the moving direction of the workbench 3.

Referring to fig. 2 and 4, an accommodating groove 31 is formed in one side of the workbench 3 facing away from the guide roller 21, and the limiting mechanism 5 is disposed in the accommodating groove 31. The limiting mechanism 5 comprises a bottom plate 51, and a first limiting assembly and a second limiting assembly which are arranged on the bottom plate 51, wherein the bottom plate 51 is fixedly connected to the bottom of the accommodating groove 31 through screws. First spacing subassembly includes two butt joint pieces 52, and two butt joint pieces 52 are located the bottom plate 51 and deviate from one side of holding tank 31 bottom, and two butt joint pieces 52 set up relatively, and two butt joint pieces 52 all are through screw fixed connection on bottom plate 51. The second limiting assembly comprises two screws 53, the two screws 53 are arranged in parallel, the axis of each screw 53 is arranged in the same direction as the moving rail of the workbench 3, each screw 53 penetrates through the two abutting blocks 52, one end of each screw 53 penetrating through the abutting block 52 is connected with a nut 531, and the nut 531 is abutted to the abutting block 52.

Referring to fig. 4, the grinding mold 1 includes a base 11, the base 11 is placed on a bottom plate 51, a placing groove 12 is opened on one side of the base 11 away from the bottom plate 51, the placing groove 12 is opened along two ends of a central line penetrating through two ends of the base 11, and the central line of the placing groove 12 is arranged in the same direction as a moving track of the worktable 3. The opposite both sides of standing groove 12 all are established to grinding face 121, and offer recess 122 along the direction that workstation 3 removed on the diapire of standing groove 12, and the both ends that the both ends along the central line of recess 122 run through base 11 are offered.

In operation, the grinding mold 1 is placed on the bottom plate 51, and the two abutting blocks 52 and the two screws 53 are attached to the outer side of the base 11, so that the grinding mold 1 is limited on the bottom plate 51. Then, the operator places the pillow-type lens 8 in the placing groove 12 of the base 11, at this time, the side edge of the inclined portion 82 of the pillow-type lens 8 is attached to the grinding surface 121, and a gap for moving and rubbing the pillow-type lens 8 and the grinding mold 1 is reserved between the end of the pillow-type lens 8 and the abutting block 52.

Referring to fig. 4 and 5, the pillow type lens 8 is then pressed from above by the pressing mechanism 6 so that the position of the pillow type lens 8 is defined on the grinding mold 1. In the grinding process, along with the movement of the workbench 3, and the grinding mold 1 is driven to move, the grinding surface 11 rubs against the side edge of the inclined part 82 of the pillow type lens 8, so that the side edge of the inclined part 82 is ground until the inclined part 82 of the pillow type lens 8 is ground into an arc-shaped surface, and therefore the coarse grinding requirement for the inclined surfaces on two sides of the inclined part 82 of the pillow type lens 8 is met. Since there is a gap between the bottom of the pillow lens 8 and the groove 122. Facilitating the debris to fall into the recess 122 during grinding.

Referring to fig. 2 and 5, the pressing mechanism 6 includes a fixing frame 61, a connecting frame 62, and a pressing rod 63, the fixing frame 61 is welded to the frame 2, and the fixing frame 61 is located above the working table 3. The fixed frame 61 is provided with a rotating rod 611 in a rotating manner, the connecting frame 62 is fixed on one side of the rotating rod 611 facing the workbench 3 in a welding manner, and the connecting frame 62 is located above the workbench 3. The pressing rod 63 is detachably connected to the connecting frame 62, and the pressing rod 63 is arranged along the vertical direction. When the pillow-type lens 8 needs to be placed on the grinding mold 1, the operator needs to rotate the rotating rod 611 upwards, so that the distance between the connecting frame 62 and the workbench 3 is increased, and the pillow-type lens 8 can be conveniently placed on the grinding mold 1 by the operator for limiting; the rotating rod 611 is then rotated downwards again until the pressure lever 63 abuts the top of the pillow lens 8.

Referring to fig. 5, a connecting cylinder 621 is connected to an end of the connecting frame 62 away from the fixing frame 61, the connecting cylinder 621 is welded to the connecting frame 62, the connecting cylinder 621 is disposed above the worktable 3, and an axis of the connecting cylinder 621 is disposed perpendicular to an axis of the rotating lever 611. A through hole 622 is formed in the connecting cylinder 621 in a penetrating manner, and a plug-in rod 623 is inserted into the through hole 622. Wear to be equipped with two of threaded connection on the connecting cylinder 621 on the link 62 and support tight pole 624, two support tight pole 624 all along the radial setting of connecting cylinder 621, support tight pole 624 and wear to establish in the through-hole 622 and support tightly on grafting pole 623 that the one end of wearing to establish into connecting cylinder 621 for support tight pole 624 and connecting cylinder 621 rigidity.

Referring to fig. 5, a fixing block 625 is fixedly connected to one end of the insertion rod 623, which is far away from the connecting cylinder 621, a mounting hole 626 penetrates through the fixing block 625, and an axis of the mounting hole 626 is perpendicular to an axis of the insertion rod 623. The mounting hole 626 is penetrated through by the pressure lever 623, a locking seam 627 is opened on one side of the fixing block 625 departing from the insertion rod 623, the locking seam 627 is communicated with the mounting hole 626, the end faces of the two ends of the fixing block 65 are penetrated through by the two ends of the locking seam 627 in the vertical direction, a bolt is connected to the fixing block 625 through a thread, the locking seam 627 is penetrated through by the bolt in the horizontal direction, the locking seam 627 is in a locking state, the aperture of the mounting hole 626 is reduced, the hole wall of the mounting hole 626 is tightly held outside the pressure lever 63, and the position fixing of the pressure lever 63 is realized.

When the position of the pressing rod 63 in the horizontal direction needs to be adjusted, an operator screws the abutting rod 624 in a direction away from the inserting rod 623, slides the inserting rod 623 along the axial direction of the connecting cylinder 621 until the pressing rod 63 moves to a desired position, and finally screws the abutting rod 624, so that the abutting rod 624 abuts against the outer side of the inserting rod 623, and the inserting rod 623 is fixed, thereby adjusting the position of the pressing rod 63 in the horizontal direction. When the position of the pressing rod 63 in the vertical direction needs to be adjusted, an operator unscrews the bolt from the fixing block 625 to release the locking of the locking slit 627, and at this time, the operator can move the pressing rod 63 in the vertical direction along the mounting hole 626 until the bottom end of the pressing rod 63 is moved to a required height position, and then the operator re-screws the bolt on the fixing block 625, so that the position fixing of the pressing rod 63 is realized. The pressure bar 63 and the connecting frame 62 are detachably connected, so that an operator can conveniently adjust the position of the pressure bar 63 according to the position of the pillow-shaped lens 8.

Referring to fig. 5 and 6, the bottom end of the pressure rod 63 abuts against the top of the pillow-shaped lens 8 through the abutting assembly 7, the abutting assembly 7 comprises a first disk 71 and a second disk 72, and the diameter of the first disk 71 is larger than that of the second disk 72. The bottom of the first disc 71 is abutted against the top of the pillow-shaped lens 8, a circular truncated cone 711 is fixedly connected to one side, away from the pillow-shaped lens 8, of the first disc 71, a slot 712 is formed in one side, away from the first disc 71, of the circular truncated cone 711, an inserting column 721 is inserted into the slot 712, one end, away from the circular truncated cone 711, of the inserting column 721 is connected with the second disc 72 in a welding mode, the second disc 72 is located above the first disc 71, and axial leads of the second disc 72, the inserting column 721, the circular truncated cone 711 and the first disc 71 coincide. The bottom end of the pressure lever 63 is abutted against one side of the second disc 72 departing from the first disc 71, so that the abutting limitation of the pressure lever 63 on the pillow-shaped lens 8 is realized, meanwhile, the contact area of the pressure lever 63 and the pillow-shaped lens 8 is increased, the pressure on the pillow-shaped lens 8 under the same pressure is reduced, and the possibility of damaging the top of the pillow-shaped lens 8 is reduced.

Referring to fig. 5, an upright 628 is screwed to one end of the connecting frame 62 near the rotating rod 611, and the upright 628 is vertically disposed through the connecting frame 62. A cross bar 64 is fixedly connected to the fixing frame 61 along the horizontal direction, the cross bar 64 is located below the rotating rod 611, a supporting rod 65 is fixedly connected to one side of the cross bar 64 facing the vertical rod 628, and the supporting rod 65 is located below the vertical rod 628. After the processing is completed, the operator rotates the rotating rod 611 downwards until the bottom end of the upright rod 628 abuts against and is supported on the supporting rod 65, and at this time, the supporting rod 65 supports the upright rod 628, so that the effect of supporting the connecting frame 62 is achieved, and the stability of the position of the connecting frame 62 is improved.

The implementation principle of the grinding die and the optical lens grinder thereof in the embodiment of the application is as follows: before processing, an operator rotates the rotating rod 611 upwards around the rotating position of the fixing frame 61, so that the connecting frame 62 drives the pressing rod 63 to lift towards the direction far away from the workbench 3, and the distance between the pressing rod 63 and the workbench 3 is increased. The operator then places the grinding mold 1 on the base plate 51 so that the position of the grinding mold 1 is defined. The operator then places the pillow lens 8 to be roughly ground on the grinding mold 1 such that the side edges of the inclined portion 82 of the pillow lens 8 are fitted to the grinding surface 121 in the placement groove 12. Then, the operator rotates the rotating rod 611 downwards again, and assembles the first disc 71 and the second disc 72, the first disc 71 abuts against the top of the pillow-shaped lens 8, and the pressing rod 63 abuts against the top of the second disc 72. Finally, the motor 41 is started, the motor 41 provides a power source for the gear box 42 through a transmission assembly, the gear box 42 drives the eccentric wheel disc 421 to rotate, the sliding block 425 moves along the sliding rail 424, the driving connecting rod 422 drives the workbench 3 to move along the axial direction of the guide roller 21 through the sliding sleeve 22, at the moment, the grinding mold 1 moves along with the workbench 3, the grinding surface 121 rubs against the side edge of the inclined part 82, the inclined surface of the inclined part 82 is gradually close to the grinding surface 121, the inclined surface of the inclined part 82 is ground into an arc-shaped surface until being ground, and accordingly the effect of roughly grinding the pillow-type lens 8 is achieved.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. A grinding die is characterized in that: including base (11), offer on the base and be used for placing standing groove (12) of pillow type lens (8), the relative both sides of standing groove (12) are all established into abrasive surface (121), and two abrasive surface (121) are the arcwall face, abrasive surface (121) are used for polishing the inclined plane of rake (82) of pillow type lens (8).

2. The grinding die of claim 1, wherein: the bottom wall of the placing groove (12) is provided with a groove (122) along the axial direction.

3. An optical lens grinder using the grinding mold according to any one of claims 1 to 2, characterized in that: the grinding mold comprises a rack (2), a workbench (3), a driving mechanism (4), a limiting mechanism (5), a pressing mechanism (6) and a grinding mold (1), wherein the workbench (3) is arranged on the rack (2) in a sliding manner, the driving mechanism (4) is arranged on the rack (2), the driving mechanism (4) is positioned below the workbench (3) and is used for driving the workbench (3) to move, the limiting mechanism (5) comprises a bottom plate (51) and a first limiting assembly and a second limiting assembly which are arranged on the bottom plate (51), the bottom plate (51) is arranged on the workbench (3), the grinding mold (1) is placed on the bottom plate (51), and the grinding mold (1) is limited through the first limiting assembly and the second limiting assembly; the pressing mechanism (6) is arranged on the frame (2), and the pressing mechanism (6) is positioned above the workbench (3) and used for pressing and limiting the pillow-shaped lens (8) on the grinding die (1) in the vertical direction.

4. The optical lens grinder according to claim 3, wherein: first spacing subassembly includes two butt piece (52), two butt piece (52) are located one side that bottom plate (51) deviate from workstation (3), and two butt piece (52) set up relatively, two butt piece (52) all through screw fixed connection on bottom plate (51), two butt piece (52) are laminated mutually with the both sides of grinding die (1) respectively.

5. The optical lens grinder according to claim 4, wherein: the second limiting component comprises two screws (53), each screw (53) penetrates through two abutting blocks (52), one end of each screw (53) penetrating through the abutting block (52) is connected with a nut (531), the nuts (531) are in contact with the abutting blocks (52) in a butting mode, and the screws (53) are attached to two sides, far away from the abutting blocks (52), of the grinding mold (1) respectively.

6. An optical lens lapping machine according to claim 3, characterized in that: actuating mechanism (4) include motor (41), gearbox (42) and drive assembly, motor (41) set up in frame (2) and are located the below of workstation (3), gearbox (42) set up in frame (2), motor (41) pass through drive assembly drive gearbox (42) work, drive assembly includes eccentric rim plate (421) and connecting rod (422), eccentric rim plate (421) are connected with the output of gearbox (42), just eccentric rim plate (421) and the eccentric setting of output of gearbox (42), the one end and workstation (3) of connecting rod (422) rotate to be connected, and the other end rotates with eccentric rim plate (421) to connecting rod (422) and eccentric rim plate (421) slide to be connected.

7. An optical lens lapping machine according to claim 6, characterized in that: one side that eccentric wheel dish (421) deviate from gearbox (42) is equipped with installation piece (423), slide rail (424) have been seted up on installation piece (423), slide rail (424) internal slipping is connected with slider (425), the slip direction of slider (425) with connecting rod (422) keep away from the one end of workstation (3) and slider (425) rotate and are connected.

8. An optical lens lapping machine according to claim 3, characterized in that: push down mechanism (6) including mount (61), link (62) and depression bar (63), mount (61) and frame (2) fixed connection, the one end and mount (61) of link (62) rotate to be connected, link (62) are located the top of workstation (3), depression bar (63) set up on link (62), depression bar (63) are used for prescribing a limit to pillow type lens (8) suppression on grinding die (1) in vertical direction.

9. An optical lens lapping machine according to claim 8, characterized in that: one end of the connecting frame (62) far away from the fixing frame (61) is fixedly connected with a connecting cylinder (621), a through hole (622) penetrates through the connecting cylinder (621), an inserting rod (623) is inserted in the through hole (622), a resisting rod (624) is connected to the connecting cylinder (621) in a threaded manner, one end of the resisting rod (624) penetrates through the through hole (622) and is tightly pressed on the inserting rod (623), one end of the inserting rod (623) far away from the connecting cylinder (621) is fixedly connected with a fixing block (625), a mounting hole (626) penetrates through the fixing block (625), a pressing rod (63) penetrates through the mounting hole (626), a locking seam (627) is formed in one side of the fixing block (625), the locking seam (627) is communicated with the mounting hole (626), and two ends of the locking seam (627) in the vertical direction respectively penetrate through end faces at two ends of the fixing block (625), the bolt is connected to the fixing block (625) through threads and penetrates through the locking seam (627), so that the hole wall of the locking seam (627) and the hole wall of the mounting hole (626) are tightly held on the outer side of the pressing rod (63).

10. An optical lens lapping machine according to claim 9, characterized in that: the utility model discloses a support for the automobile seat, including mount (61), horizontal pole (64) have been set firmly on mount (61), horizontal pole (64) are located the below of link (62), be connected with die-pin (65) on horizontal pole (64), vertically on link (62) be equipped with pole setting (628), pole setting (628) and link (62) threaded connection, just pole setting (628) run through link (62) and set up, pole setting (628) are located the top of die-pin (65).