Coining press for contact lens production

Abstract

The utility model discloses a coining press for contact lens production, and relates to the technical field of contact lenses. The device comprises a workbench, the top of the workbench is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a plurality of hydraulic telescopic rods at equal intervals, the output ends of the hydraulic telescopic rods penetrate through the vertical plate and are fixedly connected with an upper die, and the top of the workbench is in lap joint with a placing base. And a plurality of lower molds are fixedly connected to the top of the containing base at equal intervals, fixing mechanisms are symmetrically arranged on the top of the workbench, a handle is rotated to drive a clamping block to clamp and fix the containing base, and the risk that the containing base shifts during working is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact lenses technical field especially is related to a contact lens production is with fine press machine. BACKGROUND

[0002] With the development of economy, the progress of society, contact lenses have become more and more people's necessities, in the preparation process of contact lenses, usually use water gel contact lens forming mould.

[0003] The water gel contact lens forming mould mentioned in the prior art Chinese open patent (authorization announcement number: CN220499674U) can realize the full compression of the upper mould and the mould body by driving the upper mould by the installation main body mechanism during the preparation process of the water gel contact lens, can avoid the displacement of the mould during the curing process of the water gel contact lens, and improve the stability and protection of the mould body.

[0004] When the contact lenses are processed and formed, the lower mould is usually fixed on the workbench by a plurality of bolts, although it is simple and easy to operate, but when the lower mould needs to be maintained, the staff may need to disassemble and assemble a plurality of bolts, the process is relatively cumbersome and time-consuming, which may increase the overall maintenance time and reduce the production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model discloses a contact lens production is with fine press machine, which can solve the problem that the staff may need to disassemble and assemble a plurality of bolts, and the process is relatively cumbersome and time-consuming.

[0006] The utility model discloses a contact lens production is with fine press machine, which can solve the problem that the staff may need to disassemble and assemble a plurality of bolts, and the process is relatively cumbersome and time-consuming.

[0007] A contact lens production is with fine press machine, including the workbench, the top of the workbench is fixedly connected with the vertical board, the top of the vertical board is fixedly connected with a plurality of hydraulic telescopic rods at equal intervals, the output end of the hydraulic telescopic rod penetrates the vertical board and is fixedly connected with the upper mould, the top of the workbench is overlapped with the placing seat, the top of the placing seat is fixedly connected with a plurality of lower moulds at equal intervals, the top of the workbench is symmetrically provided with the fixed mechanism, and the top of the workbench is symmetrically provided with two positioning mechanisms.

[0008] By adopting the above technical scheme, the placing seat is placed at the specified position on the top of the workbench, then the plurality of hydraulic telescopic rods are started, the output end of the hydraulic telescopic rod moves downward with the upper mould when the hydraulic telescopic rod receives the starting signal and starts to lengthen, when the upper and lower moulds are closed, the material is shaped into the shape of contact lenses under the action of the mould cavity, the fixed mechanism can reduce the displacement of the placing seat during work, and the positioning mechanism can place the placing seat in the appropriate position.

[0009] Further, the fixing mechanism comprises a fixing plate symmetrically fixed on the top of the workbench, a threaded rod is screw-connected to the outer side of the fixing plate, one end of the threaded rod penetrates through the fixing plate and is rotationally connected with a clamping block, and the clamping block is in abutment with the placing seat when moving.

[0010] By adopting the above technical scheme, the handle is rotated to drive the threaded rod to rotate, the threaded rod is screw-connected with the fixing plate, the threaded rod drives the clamping block to move, and the clamping block clamps and fixes the placing seat when moving, so that the risk of displacement of the placing seat during work is reduced.

[0011] Further, the outer side of the clamping block is fixedly connected with a guide rod, one end of the guide rod penetrates through the fixing plate, and the guide rod is slidingly connected with the fixing plate.

[0012] By adopting the above technical scheme, the guide rod provides an additional support point for the clamping block, so that the clamping block can move stably.

[0013] Further, the positioning mechanism comprises two groups of limiting frames symmetrically fixed on the two sides of the top of the workbench, springs are fixedly connected to the inner sides of the limiting frames, one end of each spring is fixedly connected with a moving plate, one end of each moving plate is fixedly connected with a clamping block, and the clamping blocks are in abutment with the placing seat.

[0014] By adopting the above technical scheme, when the clamping groove moves to the position of the clamping block, the elastic potential energy of the spring is released, so that the clamping block and the clamping groove are clamped and connected, and the positional deviation of the placing seat is reduced.

[0015] Further, the outer side of the placing seat is symmetrically provided with two groups of clamping grooves, the clamping blocks and the clamping grooves are both hemispherical, and the clamping blocks and the clamping grooves are clamped and connected.

[0016] By adopting the above technical scheme, the clamping blocks are separated from the clamping grooves under the sliding action of the arc surfaces of the clamping grooves.

[0017] Further, the inner side of the limiting frame is symmetrically provided with a sliding groove, and the outer side of the moving plate is symmetrically fixedly connected with a sliding block, and the sliding block is slidingly connected with the sliding groove.

[0018] By adopting the above technical scheme, the sliding groove provides a guiding effect for the moving plate, so that the moving plate can keep a correct movement track when moving.

[0019] In summary, the utility model has at least one of the following beneficial effects.

[0020] 1. The utility model discloses, when fixing the placing seat, rotates the handle and drives the clamping block to clamp and fix the placing seat, reduces the risk of displacement of the placing seat when working, and stable clamping can ensure that the lower mould and the upper mould on the placing seat always keep accurate relative position, and it is favorable to improve the forming precision of contact lenses.

[0021] 2. The utility model discloses when the carding groove removes to the position of the carding block, the elastic potential energy of spring is released, makes the carding block and the carding groove complete the carding, reduced the position deviation of placing seat, guarantee the lower mould and the upper mould on placing seat accurate alignment in the vertical direction, convenient for the subsequent fixing of staff to placing seat. DRAWINGS

[0022] Figure 1 It is the first three-dimensional structure schematic diagram of workbench in the utility model;

[0023] Figure 2 It is the second three-dimensional structure schematic diagram of workbench in the utility model;

[0024] Figure 3 It is the utility model Figure 2 A place enlarged structure schematic diagram in;

[0025] Figure 4 It is the three-dimensional structure schematic diagram of placing seat in the utility model;

[0026] Figure 5 It is the utility model Figure 4 B place enlarged structure schematic diagram in.

[0027] Mark explanation:

[0028] 1, workbench, 2, vertical board, 3, hydraulic telescopic rod, 4, upper mould, 5, placing seat, 6, lower mould, 7, fixed plate, 8, threaded rod, 9, handle, 10, clamping block, 11, guide rod, 12, limit frame, 13, spring, 14, moving plate, 15, carding block, 16, carding groove, 17, sliding slot. Specific implementation

[0029] The utility model will be further explained in detail below in combination with the drawings. Figures 1-5 The utility model discloses a precision press for contact lens production.

[0030] Refer to

[0031] and Figure 1 and Figure 2The utility model provides a precision presser for contact lens production, including the top fixedly connected with vertical board 2 of work table 1, the top of vertical board 2 is fixedly connected with a plurality of hydraulic telescopic rod 3 at equal intervals, the output of hydraulic telescopic rod 3 penetrates vertical board 2 and is fixedly connected with upper die 4, the top of work table 1 is overlapped with placing seat 5, the top of placing seat 5 is fixedly connected with a plurality of lower die 6 at equal intervals, the top of work table 1 is provided with fixed mechanism, the top of work table 1 is provided with two sets of positioning mechanism.

[0032] When contact lens needs to be shaped, placing seat 5 is placed on the top of work table 1 at the specified position, then a plurality of hydraulic telescopic rod 3 fixedly connected at equal intervals on the top of vertical board 2 is started, and the output of hydraulic telescopic rod 3 starts to elongate after receiving the starting signal, and the upper die 4 moves downward, when the upper and lower dies 6 are closed, the material is shaped into the shape of contact lens under the action of the die cavity, the placing seat can be fixed by the fixed mechanism, reducing the displacement of placing seat 5 during work, and the placing seat 5 can be quickly positioned by the positioning mechanism, so that the placing seat 5 is placed in the appropriate position.

[0033] Refer to Figures 1 to 3 The fixed mechanism includes the fixed plate 7 fixedly connected on the top of work table 1, the outer side of fixed plate 7 is threadedly connected with threaded rod 8, one end of threaded rod 8 penetrates fixed plate 7 and is rotationally connected with clamping block 10, and the clamping block 10 moves and abuts against placing seat 5.

[0034] Wherein, the outer side of clamping block 10 is fixedly connected with guide rod 11, one end of guide rod 11 penetrates fixed plate 7, and guide rod 11 is slidingly connected with fixed plate 7.

[0035] When fixing the placing seat 5, the staff rotates the handle 9 to drive the threaded rod 8 to rotate, the threaded rod 8 is threadedly connected with the fixed plate 7, so that the threaded rod 8 drives the clamping block 10 to move, and the clamping block 10 moves to clamp and fix the placing seat 5, reducing the risk of displacement of the placing seat 5 during work.

[0036] When the clamping block 10 moves, the guide rod 11 provides an additional support point for the clamping block 10, so that the clamping block 10 can move stably.

[0037] Refer to Figure 4 And Figure 5 The positioning mechanism includes two sets of limiting frames 12 fixedly connected on the top of work table 1 on both sides, the inner side of limiting frame 12 is fixedly connected with spring 13, one end of spring 13 is fixedly connected with moving plate 14, one end of moving plate 14 is fixedly connected with clamping block 15, and clamping block 15 abuts against placing seat 5.

[0038] The outer side of the placing seat 5 is symmetrically provided with two groups of clamping grooves 16, and the clamping blocks 15 and the clamping grooves 16 are both semispherical.

[0039] In addition, the inner side of the limiting frame 12 is symmetrically provided with a sliding groove 17, and the outer side of the moving plate 14 is fixedly connected with a sliding block in a symmetrical manner, and the sliding block and the sliding groove 17 are in sliding connection.

[0040] When the placing seat 5 is placed, the placing seat 5 will abut against the clamping block 15, and the clamping block 15 will be forced to move the moving plate 14, and the moving plate 14 will abut against the spring 13, and the spring 13 will be compressed to generate elastic potential energy after being forced, and at this time, the counterforce generated by the compression of the spring 13 abuts against the outer side of the placing seat 5, and when the clamping groove 16 moves to the position of the clamping block 15, the elastic potential energy of the spring 13 is released, so that the clamping block 15 and the clamping groove 16 are clamped, and the position deviation of the placing seat 5 is reduced, and when the placing seat 5 needs to be taken out, the clamping block 15 and the clamping groove 16 are both semispherical, and under the sliding action of the arc surface of the clamping groove 16, the clamping block 15 slides in the inner side of the clamping groove 16, so that the clamping block 15 is separated from the clamping groove 16, and the placing seat 5 is taken out.

[0041] When the moving plate 14 moves, the sliding block and the sliding groove 17 provide a guiding action for the moving plate 14, so that the moving plate 14 maintains a correct movement track when moving.

[0042] Working principle: place the placing seat 5 on the top of the workbench 1 at a specified position, then start the several hydraulic telescopic rods 3 fixedly connected at equal intervals on the top of the vertical plate 2, the hydraulic telescopic rods 3 receive the start signal and start to elongate, and the output end will move downward with the upper mold 4, when the upper and lower molds 6 are closed, the material is shaped into the shape of contact lenses under the action of the mold cavity, the handle 9 is rotated to drive the threaded rod 8 to rotate, and the threaded rod 8 drives the clamping block 10 to move through the threaded connection between the threaded rod 8 and the fixed plate 7, and the clamping block 10 moves to clamp and fix the placing seat 5, thereby reducing the risk of displacement of the placing seat 5 during work.

Claims

1. A precision press for contact lens production, comprising a worktable (1), characterized in that: The top of the workbench (1) is fixedly connected with a vertical plate (2), the top of the vertical plate (2) is fixedly connected with a plurality of hydraulic telescopic rods (3) at equal intervals, the output end of the hydraulic telescopic rod (3) penetrates the vertical plate (2) and is fixedly connected with an upper mold (4), the top of the workbench (1) is overlapped with a placing seat (5), the top of the placing seat (5) is fixedly connected with a plurality of lower molds (6) at equal intervals, the top of the workbench (1) is provided with a fixing mechanism in a symmetrical manner, and the top of the workbench (1) is provided with two positioning mechanisms in a symmetrical manner.

2. The precision press for contact lens production according to claim 1, characterized in that: The fixing mechanism comprises a fixing plate (7) fixedly connected to the top of the workbench (1) in a symmetrical manner, a threaded rod (8) threadedly connected to the outer side of the fixing plate (7), one end of the threaded rod (8) penetrating the fixing plate (7) and being rotatably connected with a clamping block (10), and the clamping block (10) being in abutment with the placing seat (5) when moving.

3. The precision press for contact lens production as claimed in claim 2, characterized in that: The outer side of the clamping block (10) is fixedly connected with a guide rod (11), one end of the guide rod (11) penetrates the fixing plate (7), and the guide rod (11) is slidably connected with the fixing plate (7).

4. The precision press for contact lens manufacturing as claimed in claim 1, wherein: The positioning mechanism comprises two sets of limiting frames (12) fixedly connected to the top of the workbench (1) on both sides in a symmetrical manner, a spring (13) fixedly connected to the inner side of the limiting frame (12), a moving plate (14) fixedly connected to one end of the spring (13), a clamping block (15) fixedly connected to one end of the moving plate (14), and the clamping block (15) being in abutment with the placing seat (5).

5. The precision press for contact lens manufacturing as claimed in claim 4, wherein: The outer side of the placing seat (5) is symmetrically provided with two clamping grooves (16), the clamping block (15) and the clamping groove (16) are both hemispherical, and the clamping block (15) and the clamping groove (16) are clampedly connected.

6. The precision press for contact lens manufacturing as claimed in claim 4, wherein: The inner side of the limiting frame (12) is symmetrically provided with a sliding groove (17), and the outer side of the moving plate (14) is fixedly connected with a sliding block in a symmetrical manner, the sliding block and the sliding groove (17) being slidably connected.

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