CN211334183U

CN211334183U - Transfer mechanism of contact lens mold

Info

Publication number: CN211334183U
Application number: CN201922060048.2U
Authority: CN
Inventors: 唐钰喜
Original assignee: Gansu Tianhou Optical Technology Co ltd
Current assignee: Gansu Tianhou Optical Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-25
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a contact lens technical field, concretely relates to contact lens mould transfer mechanism. A contact lens mold transfer mechanism comprising: the tray, the tray conveying device, the tray stacking device and the tray detaching device; the tray is used for containing contact lens molds; the tray conveying device moves to and fro among stations right below the tray stacking device, the stopping station and stations right below the tray detaching device; the utility model discloses advantage for prior art is: the utility model discloses in transfer mechanism in the speed of rotation fast, efficient, and the fault rate is low, can effectively link up the adjacent process in the contact lens production.

Description

Transfer mechanism of contact lens mold

The technical field is as follows:

the utility model relates to a contact lens technical field, concretely relates to contact lens mould transfer mechanism.

Background art:

in the production of contact lenses, the process steps are different depending on the production process. Some manufacturers are skillful in mastering production technology, and all the working procedures are connected through automatic equipment, so that the full-automatic production line of the contact lenses is realized. However, the fully automated production line has high requirements on manufacturers, initial equipment cost and production line operation cost are high, and product quality control difficulty is high, so that the fully automated production line is not suitable for all manufacturers, and some manufacturers still use production processes with separate operations of all working procedures.

However, no matter which production process is used, the mold is an indispensable production tool, so that how to transfer the mold from one process to the next is a problem to be considered by manufacturers in various production processes of contact lenses. In general, the molds used in the production of contact lenses are small in size and large in number, so that the molds are troublesome to transfer, and meanwhile, in order to arrange the molds better and distinguish patterns better, a transfer tool is selected by many manufacturers. However, in the actual production process, if the transfer tool is not set properly, it will not only play a role of transferring but also cause many operational troubles. Under the circumstances, there is a need for a contact lens mold transfer mechanism with a high intermediate rotation speed and a low failure rate, so as to better connect the upper and lower processes in the production of contact lenses.

The invention content is as follows:

the utility model aims at providing a contact lens mould transfer mechanism. The specific technical scheme is as follows:

a contact lens mold transfer mechanism comprising: the tray, the tray conveying device, the tray stacking device and the tray detaching device; the tray is used for containing contact lens molds;

the tray conveying device moves to and fro among stations right below the tray stacking device, the stopping station and stations right below the tray detaching device;

the dish detaching device comprises: the automatic lifting device comprises a first lifting mechanism 3a, a second lifting mechanism 3b, a first horizontal telescopic mechanism 37, a second horizontal telescopic mechanism, a first horizontal fork frame 32 and a second horizontal fork frame, wherein the first lifting mechanism 3a and the second lifting mechanism 3b are symmetrically arranged along two sides of the moving direction of the tray conveyer;

the disc stacking device comprises: third upgrading mechanism 4a, fourth elevating system 4b along tray conveyer direction of motion both sides, symmetrical arrangement, be located the third support bar 42 at third elevating system top, be located the fourth support bar at fourth elevating system top, be located a pair of third horizontal rotating shaft 43 at third support bar both ends, be located a pair of fourth horizontal rotating shaft at fourth horizontal support bar both ends, support inserted bar 44 with the third that third horizontal rotating shaft links to each other, support the inserted bar with the fourth that fourth horizontal rotating shaft links to each other, the inserted bar is supported with the fourth with the rising same drop to the third, the inserted bar is supported with the fourth and is supported the inserted bar and centers on third horizontal rotating shaft, fourth horizontal rotating shaft rotation 90 degrees respectively to the third.

In a preferred embodiment, the tray transfer device includes: a transmission device lower bottom plate 21, a transmission device upper bottom plate 22 positioned above the transmission device lower bottom plate, a tank chain 23 positioned between the transmission device lower bottom plate and the transmission device upper bottom plate, and the transmission device lower bottom plate is connected with a servo motor 33. Furthermore, 4

bolts

26a, 26b, 26c and 26d are arranged on the upper bottom plate of the transmission device, and the upper bottom plate of the transmission device is fixed on the lower bottom plate of the transmission device through the 4 bolts; the upper bottom plate of the transmission device is provided with 6

identical support rods

24a, 24b, 24c, 24d, 24e and 24f, wherein 4 support rods are distributed at 4 corners of the upper bottom plate of the transmission device, and the other two support rods are longitudinally arranged in the middle; the supporting rod is used for making the tray above the supporting rod overhead. Furthermore, a metal induction rod 27 is arranged on the upper bottom plate of the transmission device; the height of the induction rod is consistent with that of the supporting rod; the induction rod is connected with the servo motor through a circuit, and when the induction rod contacts the tray, the servo motor starts to work. Still further, still include: a second sensor 54 located below the disc stacking means and a first sensor 55 located below the disc detaching means.

Preferably scheme two, first elevating system, second elevating system all contain the two poles of the earth elevating system of series connection, promptly: a first lifting mechanism 38 positioned at the lower part and a second lifting mechanism 39 connected with the first lifting mechanism in series, wherein the first lifting mechanism and the second lifting mechanism are combined to form the total stroke of the first lifting mechanism and the total stroke of the second lifting mechanism.

In a preferred scheme III, the tray is square; the tray is provided with 5 groups of die holes 11, and each group of die holes is 20 in 2 rows, 10 columns and 20 rows; a row of separation holes 12 are arranged between each group of die holes, and the number of the separation holes is 4; four corners of the tray are respectively provided with a hollow supporting leg 14 and a solid supporting leg 13, wherein the hollow supporting leg is positioned on the lower surface of the tray, the solid supporting leg is positioned on the upper surface of the tray, and the hollow part of the hollow supporting leg is just capable of sleeving the solid supporting leg; the middle of the two opposite sides of the tray is respectively provided with a positioning hole 15.

The utility model discloses advantage for prior art is: the utility model discloses in transfer mechanism in the speed of rotation fast, efficient, and the fault rate is low, can effectively link up the adjacent process in the contact lens production.

Description of the drawings:

fig. 1 is a schematic structural diagram of a tray in an embodiment of the present invention; in the figure, 11 denotes a die hole, 12 denotes a partition hole, 13 denotes a solid leg, 14 denotes a hollow leg, and 15 denotes a pilot hole.

FIG. 2 is a schematic top view of the structure of FIG. 1; in the figure, 13 represents a solid leg and 14 represents a hollow leg.

FIG. 3 is a schematic structural diagram of a tray conveying device, a tray stacking device and a tray detaching device in an embodiment of the present invention; in the figure, 21 denotes a lower plate of the transfer device, 22 denotes an upper plate of the transfer device, 23 denotes a tank chain, 24a, 24b, 24f denote support rods, 26a, 26b denote bolts, 3a denotes a first elevating mechanism, 32 denotes a first horizontal fork, 33 denotes a servo motor, 42 denotes a third support bar, 43 denotes a third horizontal rotary shaft, 44 denotes a third support plunger,

FIG. 4 is a schematic top view of the structure of FIG. 3; in the figure, 3a represents a first elevating mechanism, 3b represents a second elevating mechanism, 4a represents a third elevating mechanism, 4b represents a fourth elevating mechanism, 23 represents a tank chain, 24a, 24b, 24c, 24d, 24e, 24f each represents a support rod, 25a, 25b each represents a positioning post, 26a, 26b, 26c, 26d each represents a bolt, 27 represents a metal sensing rod, 32 represents a first horizontal fork, 33 represents a servo motor, 34, 35 represent a support rod groove on the first horizontal fork, 42 represents a third support bar, 43 represents a third horizontal rotating shaft, 44 represents a third support plunger, 51 represents a stainless steel plate, 54 represents a second sensor, and 55 represents a first sensor.

FIG. 5 is a schematic view of a first lift mechanism; in the drawing, 32 denotes a first horizontal fork, 37 denotes a first horizontal telescoping mechanism, 38 denotes a primary elevating mechanism, and 39 denotes a secondary elevating mechanism.

Fig. 6 is a schematic structural diagram of the third lifting mechanism, in which 4a largely represents the third lifting mechanism, 42 represents the third supporting bar, 43 represents the third horizontal rotating shaft, and 44 represents the third supporting inserted bar.

The specific implementation mode is as follows:

example (b):

the tray is square, 5 groups of die holes 11 are formed in the tray, and each group of die holes is 20 in 2 rows, 10 columns and 20 rows; a row of separation holes 12 are arranged between each group of die holes, and the number of the separation holes is 4; four corners of the tray are respectively provided with a hollow supporting leg 14 and a solid supporting leg 13, wherein the hollow supporting leg is positioned on the lower surface of the tray, the solid supporting leg is positioned on the upper surface of the tray, and the hollow part of the hollow supporting leg is just capable of sleeving the solid supporting leg; a positioning hole 15 is respectively arranged between the two opposite sides of the tray;

the tray conveying device moves to and fro among stations right below the tray stacking device, the stopping station and stations right below the tray detaching device; the tray conveying device includes: a transmission device lower bottom plate 21, a transmission device upper bottom plate 22 positioned above the transmission device lower bottom plate, a tank chain 23 positioned between the transmission device lower bottom plate and the transmission device upper bottom plate, and the transmission device lower bottom plate is connected with a servo motor 33; 4

bolts

26a, 26b, 26c and 26d are arranged on the upper bottom plate, and the upper bottom plate of the transmission device is fixed on the lower bottom plate of the transmission device through the 4 bolts; the upper bottom plate of the transmission device is provided with 6

identical support rods

24a, 24b, 24c, 24d, 24e and 24f, wherein 4 support rods are distributed at 4 corners of the upper bottom plate of the transmission device, and the other two support rods are longitudinally arranged in the middle; the supporting rod is used for suspending a tray above the supporting rod;

the dish detaching device comprises: the automatic pallet conveying device comprises a first lifting mechanism 3a, a second lifting mechanism 3b, a first horizontal telescopic mechanism 37, a second horizontal telescopic mechanism, a first horizontal fork frame 36 and a second horizontal fork frame, wherein the first lifting mechanism 3a and the second lifting mechanism 3b are symmetrically arranged along two sides of the moving direction of the pallet conveying device;

the disc stacking device comprises: third upgrading mechanism 41a, fourth elevating system 41b along tray conveyer direction of motion both sides, symmetrical arrangement, be located the third support bar 42 at third elevating system top, be located the fourth support bar at fourth elevating system top, be located a pair of third horizontal rotating shaft 43 at third support bar both ends, be located a pair of fourth horizontal rotating shaft at fourth horizontal support bar both ends, support inserted bar 44 with the third that third horizontal rotating shaft links to each other, support the inserted bar with the fourth that fourth horizontal rotating shaft links to each other, the inserted bar is supported with the fourth with the rising same drop to the third, the inserted bar is supported with the fourth and is supported the inserted bar and centers on third horizontal rotating shaft, fourth horizontal rotating shaft rotation 90 degrees respectively to the third.

Claims

1. A contact lens mold transfer mechanism, comprising: the tray, the tray conveying device, the tray stacking device and the tray detaching device; the tray is used for containing contact lens molds;

the tray conveying mechanism moves to and fro among stations right below the tray stacking device, the stopping station and stations right below the tray detaching device;

the dish detaching device comprises: the automatic tray conveying device comprises a first lifting mechanism (3a), a second lifting mechanism (3b), a first horizontal telescopic mechanism (37), a second horizontal telescopic mechanism, a first horizontal fork frame (36) and a second horizontal fork frame, wherein the first lifting mechanism and the second lifting mechanism are symmetrically arranged along two sides of the moving direction of the tray conveying device;

the disc stacking device comprises: along tray conveyer direction of motion both sides, third upgrading mechanism (4a), fourth elevating system (4b) of symmetrical arrangement, be located third support bar (42) at third elevating system top, be located the fourth support bar at fourth elevating system top, be located a pair of third horizontal rotating shaft (43) at third support bar both ends, be located a pair of fourth horizontal rotating shaft at fourth horizontal support bar both ends, third support inserted bar (44) that link to each other with third horizontal rotating shaft, the fourth that links to each other with fourth horizontal rotating shaft supports the inserted bar, the inserted bar is supported with the fourth with the rising to the third, the inserted bar is supported with the fourth and is supported the inserted bar and rotate 90 degrees around third horizontal rotating shaft, fourth horizontal rotating shaft respectively to the third.

2. The contact lens mold transfer mechanism of claim 1, wherein the tray transfer device comprises: a lower bottom plate (21) of the transmission device, an upper bottom plate (22) of the transmission device, which is positioned above the lower bottom plate of the transmission device, a tank chain (23) which is positioned between the lower bottom plate of the transmission device and the upper bottom plate of the transmission device, and the lower bottom plate of the transmission device is connected with a servo motor (33).

3. A contact lens mold transfer mechanism according to claim 2, wherein the transfer device upper base plate is provided with 4 bolts (26a, 26b, 26c, 26d), and the transfer device upper base plate is fixed to the transfer device lower base plate by the 4 bolts; the upper bottom plate of the transmission device is provided with 6 identical support rods (24a, 24b, 24c, 24d, 24e and 24f), wherein 4 support rods are distributed at 4 corners of the upper bottom plate of the transmission device, and the other two support rods are longitudinally arranged in the middle; the supporting rod is used for making the tray above the supporting rod overhead.

4. A contact lens mold transfer mechanism according to claim 3, wherein the transfer device further comprises a metal sensing rod (27) on the upper base plate; the height of the induction rod is consistent with that of the supporting rod; the induction rod is connected with the servo motor through a circuit, and when the induction rod contacts the tray, the servo motor starts to work.

5. The contact lens mold transfer mechanism of claim 4, further comprising: a first sensor (55) positioned below the disc dismounting device, and a second sensor (56) positioned below the disc stacking device.

6. The contact lens mold transfer mechanism of claim 1, wherein the first lifting mechanism and the second lifting mechanism each comprise a two-pole lifting mechanism in series, that is: a first lifting mechanism (38) positioned at the lower part and a second lifting mechanism (39) connected with the first lifting mechanism in series, wherein the first lifting mechanism and the second lifting mechanism are combined to form the total stroke of the first lifting mechanism and the total stroke of the second lifting mechanism.

7. The contact lens mold transfer mechanism of any one of claims 1-6, wherein said tray is square; the tray is provided with 5 groups of die holes (11), and each group of die holes is 2 rows, 10 columns and 20; a row of separation holes (12) is arranged between each group of die holes, and the number of the separation holes is 4; four corners of the tray are respectively provided with a hollow supporting leg (14) and a solid supporting leg (13), wherein the hollow supporting leg is positioned on the lower surface of the tray, the solid supporting leg is positioned on the upper surface of the tray, and the hollow part of the hollow supporting leg is just large enough to sleeve the solid supporting leg; the middle of the two opposite sides of the tray is respectively provided with a positioning hole (15).