CN211895078U - Contact lens feeding device - Google Patents

Contact lens feeding device Download PDF

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Publication number
CN211895078U
CN211895078U CN201922345377.1U CN201922345377U CN211895078U CN 211895078 U CN211895078 U CN 211895078U CN 201922345377 U CN201922345377 U CN 201922345377U CN 211895078 U CN211895078 U CN 211895078U
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China
Prior art keywords
die
mold
transfer plate
contact lens
lifting
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CN201922345377.1U
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Chinese (zh)
Inventor
唐钰喜
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Hunan Haipuming Technology Co ltd
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Hunan Haipuming Technology Co ltd
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Priority to CN201922345377.1U priority Critical patent/CN211895078U/en
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Abstract

The utility model relates to a production and manufacturing process of contact lenses, in particular to a contact lens feeding device. The device includes: the device comprises a workbench, a liquid injection device positioned on the workbench, a mold suction device positioned on the workbench, a support table (3) positioned on the workbench, a mold base (4) positioned on the workbench, a first mold transfer plate (6) and a second mold transfer plate (7) positioned on the mold base; the utility model discloses in contact lens throw material device simple structure, ingenious, convenient operation just throws the material efficiently, can effectively save space.

Description

Contact lens feeding device
The technical field is as follows:
the utility model relates to a production and manufacturing process of contact lenses, in particular to a contact lens feeding device.
Background art:
with the vigorous development of the contact lens industry, the production process of the contact lens is continuously updated and upgraded, and the traditional turning molding process is developed to the subsequent centrifugal molding method and the subsequent compression molding method, so that various large manufacturers select a proper production process and upgrade equipment at the same time, and the aim of the method is to improve the automation degree of equipment in each process and realize the automatic production among the processes.
In the production process of the contact lenses, specific production equipment is required in each process, and the scale of the required equipment is different according to the process characteristics of each process. In the feeding process, if the equipment is too large, but the required production amount is small, especially in the development stage or the trial production stage, the equipment loss or the material waste is easily caused. Under the circumstances, it is necessary to provide a feeding device with a delicate structure, convenient operation and high feeding efficiency, so as to not only adapt to the production of research and development or trial production, but also effectively save energy and space.
The invention content is as follows:
an object of the utility model is to provide a contact lens throws material device aims at improving and throws material efficiency.
The utility model discloses the lower mould of well called mould is hemispherical shell, and inside concave surface is the working face, and the mould is called for the protruding spheroid that is slightly littleer than lower mould concave surface size, and the convex surface is the working face, injects forming material in the concave surface, and protruding spheroid embedding, space between convex surface and the concave surface form contact lens, obtains contact lens after the curing and shaping. The utility model discloses formally to such forming process.
The specific technical scheme is as follows:
a contact lens dosing device, the device comprising: the device comprises a workbench, a liquid injection device positioned on the workbench, a mold suction device positioned on the workbench, a support table 3 positioned on the workbench, a mold base 4 positioned on the workbench, a first mold transfer plate 6 and a second mold transfer plate 7 positioned on the mold base;
the first die transfer plate and the second die transfer plate are respectively provided with M x N die holes; the contact lens lower die is placed on the first die transfer plate, and the contact lens upper die is placed on the second die transfer plate;
the priming device includes: m side by side liquid injection heads 11, wherein the M liquid injection heads are fixedly arranged on a first lifting plate 12, a first lifting device 13 positioned below the first lifting plate, and M magnetic pumps 14, and each magnetic pump is connected with the liquid injection head through a liquid outlet pipe 15;
the suction mold device includes: m vacuum suction heads 21 arranged side by side, a second lifting plate 22, a second lifting device 23 for dragging the second lifting plate to move up and down, and a translation device 24 for dragging the second lifting device to move horizontally; the M vacuum suction heads arranged side by side are arranged on a second lifting plate;
the die base can reciprocate along the Y direction, and the first die transfer plate and the second die transfer plate can reciprocate along the Y direction along with the die base; the lower contact lens mold is placed on a first mold transfer plate,
the feeding working process is as follows:
firstly, preparing feeding materials:
the lower die is fully placed on the first die transfer plate, and the upper die is fully placed on the second die transfer plate; then the device starts to operate, and the mold base drags the first mold transfer plate and the second mold transfer plate to move along the Y direction; when the lower die in the line 1 moves to the position right below the liquid injection head, the operation is stopped;
(II) a single feeding process:
at the moment, the first lifting device of the liquid injection device begins to descend; when the liquid injection head extends into the groove of the lower die, stopping descending, starting the operation of the M magnetic pumps at the moment, and injecting the liquid lens material into the groove of the lower die;
after the liquid injection is finished, the first lifting device of the liquid injection device is lifted to the initial position; meanwhile, the mold base drags the first mold transfer plate and the second mold transfer plate to continue to move along the Y direction, and when the lower mold in the 2 nd row moves to be right below the liquid injection head, the operation is stopped; at this time, the upper die of the 1 st row is just positioned right below the vacuum suction head;
at the moment, the second lifting device of the die sucking device begins to descend; when the vacuum suction head sucks the upper die, the second lifting device stops descending, then the second lifting device carries the upper die to start ascending and ascends to the initial position;
the translation device of the die suction device drags the second lifting device and the M upper dies to move along the X direction; when the translation device moves to the position right above the lower die on the row 1, the translation device stops moving;
the second lifting device adsorbs the M upper dies to descend, and slowly presses the upper dies into the corresponding lower dies to finish one-time feeding; the M vacuum adsorption heads release the M upper dies;
the second lifting device carries M vacuum adsorption heads to ascend and then returns to the original position along the reverse direction of X; completing the primary feeding;
and (III) circulating the single feeding process until the feeding of all the upper die and the lower die in the N rows is finished.
Preferably, the first scheme further comprises: the metal induction sheet 31 is positioned on the translation device, and the first inductor 32 and the second inductor 33 are positioned on the support table, the superposed position of the first inductor and the metal induction sheet is just the target position of the translation device moved along the X direction, and the superposed position of the second inductor and the metal induction sheet is just the target position of the translation device moved along the opposite direction of the X direction.
The second preferred scheme further comprises: a first servo motor 41 and a second servo motor 25; the first servo motor drives the mold base to reciprocate along the Y direction, and the second servo motor drives the mold base to translate and reciprocate along the X direction. Further, still include: the liquid receiving tank 9 is positioned below the first die transfer plate and is used for collecting liquid raw materials scattered in the film pressing process; or the middle parts of the first mold transfer plate and the second mold transfer plate are fixedly connected. Furthermore, the first mold transfer plate and the second mold transfer plate are respectively provided with 4 positioning holes which are matched with 8 positioning pins on the mold base for use, so that the positions of the first mold transfer plate and the second mold transfer plate in the X direction and the Y direction are fixed.
The utility model has the advantages that: the utility model discloses in contact lens throw material device simple structure, ingenious, convenient operation just throws the material efficiently, can effectively save space.
Drawings
Fig. 1 is a schematic structural view of a feeding device in an embodiment of the present invention; in the figure, 3 represents a rack stand, 4 represents a mold base, 6 represents a first mold transfer plate, 7 represents a second mold transfer plate, 8 represents a work table, 9 represents a liquid receiving tank, 11 represents a liquid injection head, 12 represents a first lifting plate, 13 represents a first lifting device, 14 represents a magnetic pump, 15 represents a liquid outlet pipe, 16 represents a liquid inlet pipe, 18 represents a rack frame, 21 represents a vacuum suction head, 22 represents a second lifting plate, 23 represents a second lifting device, 24 represents a translation device, 25 represents a second servo motor, 32 represents a first metal sensor, and 41 represents a first servo motor.
FIG. 2 is a top view of FIG. 1; in the drawing, 3 represents a support stand, 4 represents a mold base, 14 represents a magnetic pump, 15 represents a liquid outlet pipe, 16 represents a liquid inlet pipe, 17 represents a wire through hole, 18 represents a support frame, 22 represents a second lifting plate, 23 represents a second lifting device, 24 represents a translation device, 25 represents a second servo motor, 31 represents a metal sheet, 32 represents a first metal sensor, 33 represents a second metal sensor, 41 represents a first servo motor, 42a, 42b, 42c, 42d, 42e, 42f, 42g and 42h respectively represent positioning pins on the mold base, and 43 and 44 respectively represent through holes on the mold base.
FIG. 3 is a schematic structural view of a transfer plate of the first mold in the embodiment; in the figure, the die holes are through holes, and are arranged in an array of 6 × 10, 61 representing the die holes, and 62a, 62b, 62c, 62d representing the positioning holes, respectively.
Detailed Description
Example (b):
a contact lens dosing device, the device comprising: the device comprises a workbench, a liquid injection device positioned on the workbench, a mold suction device positioned on the workbench, a support table 3 positioned on the workbench, a mold base 4 positioned on the workbench, a first mold transfer plate 6 and a second mold transfer plate 7 positioned on the mold base, a metal induction sheet 31 positioned on a translation device, a first inductor 32 and a second inductor 33 positioned on the support table, a first servo motor 41 and a second servo motor 25, and a liquid receiving groove 9 positioned below the first mold transfer plate;
the first die transfer plate and the second die transfer plate are respectively provided with 6 x 10 die holes; the contact lens lower die is placed on the first die transfer plate, and the contact lens upper die is placed on the second die transfer plate;
the priming device includes: 6 side-by-side liquid injection heads 11, 6 liquid injection heads are fixedly arranged on a first lifting plate 12, a first lifting device 13 and 6 magnetic pumps 14 are positioned below the first lifting plate, and each magnetic pump is connected with the liquid injection head through a liquid outlet pipe 15;
the suction mold device includes: 6 vacuum suction heads 21 arranged side by side, a second lifting plate 22, a second lifting device 23 for dragging the second lifting plate to move up and down, and a translation device 24 for dragging the second lifting device to move horizontally; the second servo motor drives the translation device to reciprocate along the X direction; the 6 vacuum suction heads arranged side by side are arranged on a second lifting plate; the metal sheet is a stainless steel sheet, the superposed position of the first sensor and the metal sensing sheet is just the target position of the translation device moving along the X direction, and the superposed position of the second sensor and the metal sensing sheet is just the target position of the translation device moving along the opposite direction of the X direction.
The die base can reciprocate along the Y direction under the driving of the first servo motor, and the first die transfer plate and the second die transfer plate can reciprocate along the Y direction along with the die base; the lower contact lens mold is placed on a first mold transfer plate,
the liquid receiving tank is used for collecting liquid raw materials scattered in the film pressing process;
the mould base comprises two symmetrical parts, namely a first part and a second part; the first portion corresponds to a first mold transfer plate, including: 6 by 10 through holes 42, 4 positioning pins 43a, 43b, 43c, 43d, each corresponding to a die hole on the first die plate, each corresponding to a positioning hole on the first die plate; the second portion corresponds to a second mold transfer plate, including: 6 by 10 through holes 44, 4 positioning pins 43e, 43f, 43g, 43h, each corresponding to a die hole on the second die plate, each corresponding to a positioning hole on the first die plate;
furthermore, the first mold transfer plate and the second mold transfer plate are respectively provided with 4 positioning holes which are matched with 8 positioning pins on the mold base for use, so that the positions of the first mold transfer plate and the second mold transfer plate in the X direction and the Y direction are fixed.
The feeding working process is as follows:
firstly, preparing feeding materials:
the lower die is fully placed on the first die transfer plate, and the upper die is fully placed on the second die transfer plate; then the device starts to operate, the first servo motor drives the mold base, and the first mold transfer plate and the second mold transfer plate are dragged to move along the Y direction; when the lower die in the line 1 moves to the position right below the liquid injection head, the operation is stopped;
(II) a single feeding process:
at the moment, the first lifting device of the liquid injection device begins to descend; when the liquid injection head extends into the grooves of the lower dies, the liquid injection head stops descending, at the moment, the 6 magnetic pumps start to operate, and liquid lens materials are injected into the grooves of the 6 lower dies;
after the liquid injection is finished, the first lifting device of the liquid injection device is lifted to the initial position; meanwhile, the first servo motor drives the mold base, so that the first mold transfer plate and the second mold transfer plate are dragged to continuously move along the Y direction, and when the 2 nd row of lower molds move to be right below the liquid injection head, the operation is stopped; at this time, the upper die of the 1 st row is just positioned right below the vacuum suction head;
at the moment, the second lifting device of the die sucking device begins to descend; when the vacuum suction head sucks the upper die, the second lifting device stops descending, then the second lifting device carries the upper die to start ascending and ascends to the initial position;
the second servo motor drives the translation device to further drag the second lifting device and the 6 upper dies to move along the X direction; when the translation device moves to the position right above the lower die on the row 1, the translation device stops moving;
the second lifting device adsorbs 6 upper dies to descend, and slowly presses the upper dies into the corresponding lower dies to finish one-time feeding; 6 vacuum adsorption heads release 6 upper dies;
the second lifting device carries 6 vacuum adsorption heads to ascend and then returns to the original position along the reverse direction of X; completing the primary feeding;
and (III) circulating the single feeding process until the feeding of all the upper dies and the lower dies in 10 rows is finished.

Claims (6)

1. A contact lens dosing device, the device comprising: the device comprises a workbench, a liquid injection device positioned on the workbench, a mold suction device positioned on the workbench, a support table (3) positioned on the workbench, a mold base (4) positioned on the workbench, a first mold transfer plate (6) and a second mold transfer plate (7) positioned on the mold base;
the first die transfer plate and the second die transfer plate are respectively provided with M x N die holes; the contact lens lower die is placed on the first die transfer plate, and the contact lens upper die is placed on the second die transfer plate;
the priming device includes: the liquid injection device comprises M side-by-side liquid injection heads (11), a first lifting device (13) and M magnetic pumps (14), wherein the M liquid injection heads are fixedly arranged on a first lifting plate (12), the first lifting device is positioned below the first lifting plate, and each magnetic pump is connected with the liquid injection head through a liquid outlet pipe (15);
the suction mold device includes: m vacuum suction heads (21) arranged side by side, a second lifting plate (22), a second lifting device (23) for dragging the second lifting plate to move up and down, and a translation device (24) for dragging the second lifting device to move horizontally; the M vacuum suction heads arranged side by side are arranged on a second lifting plate;
the die base can reciprocate along the Y direction, and the first die transfer plate and the second die transfer plate can reciprocate along the Y direction along with the die base; the lower contact lens mold is placed on a first mold transfer plate.
2. The contact lens dosing device of claim 1, further comprising: the metal induction sheet (31) is positioned on the translation device, and the first inductor (32) and the second inductor (33) are positioned on the support table, the superposed position of the first inductor and the metal induction sheet is just the target position of the translation device moved along the X direction, and the superposed position of the second inductor and the metal induction sheet is just the target position of the translation device moved along the opposite direction of the X direction.
3. The contact lens dosing device of claim 1 or 2, further comprising: a first servo motor (41) and a second servo motor (25); the first servo motor drives the mold base to reciprocate along the Y direction, and the second servo motor drives the mold base to translate and reciprocate along the X direction.
4. The contact lens dosing device of claim 3, further comprising: and the liquid receiving tank (9) is positioned below the transfer plate of the first die and is used for collecting liquid raw materials scattered in the film pressing process.
5. The contact lens feeding device according to claim 3, wherein the middle portions of the first and second mold transfer plates are fixedly connected.
6. The contact lens feeding device according to claim 5, wherein the first and second mold transfer plates have 4 positioning holes for cooperating with 8 positioning pins on the mold base.
CN201922345377.1U 2019-12-24 2019-12-24 Contact lens feeding device Active CN211895078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922345377.1U CN211895078U (en) 2019-12-24 2019-12-24 Contact lens feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922345377.1U CN211895078U (en) 2019-12-24 2019-12-24 Contact lens feeding device

Publications (1)

Publication Number Publication Date
CN211895078U true CN211895078U (en) 2020-11-10

Family

ID=73294279

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922345377.1U Active CN211895078U (en) 2019-12-24 2019-12-24 Contact lens feeding device

Country Status (1)

Country Link
CN (1) CN211895078U (en)

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