CN219445871U

CN219445871U - Lens sheeting mechanism

Info

Publication number: CN219445871U
Application number: CN202320074277.3U
Authority: CN
Inventors: 金小平
Original assignee: Jiangsu Tianning Optoelectronics Technology Co ltd
Current assignee: Jiangsu Tianning Optoelectronics Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-08-01
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a lens tabletting mechanism, which comprises two compression rollers which are correspondingly arranged, wherein a gap between the two compression rollers is set as a tabletting gap, and the shaft ends of the two compression rollers are respectively provided with a driving mechanism; the outer sides of the two compression rollers are respectively provided with an outer shell, the corresponding end surfaces of the two outer shells are provided with open slots, and the two compression rollers extend out of the corresponding open slots; and a heat conducting plate is also arranged in the outer shell, the heat conducting plate is of an arc-shaped structure, the shape angle corresponds to the position of the press roller, and the heat conducting plate correspondingly props against the press roller. The transparent tabletting mechanism of the device is arranged into a structure with double compression rollers, a gap between the two compression rollers is a tabletting gap, and the two compression rollers can be heated, so that particle materials pass through the tabletting gap and are directly pressed into sheet plates with the required size and thickness, and then the sheet plates are processed by mechanical cutting.

Description

Lens sheeting mechanism

Technical Field

The utility model relates to the technical field of preparation and manufacturing of optical lenses, in particular to a lens tabletting mechanism.

Background

In the prior art, besides the manufacturing of a die, the lens can be manufactured through the processes of pressing and tabletting, machining, polishing and the like, and firstly, lens materials are required to be pressed to be proper thickness in the pressing and tabletting process, and then the lens materials are processed.

In the prior art, most of lens materials are granular materials, and the lens materials are pressed by a plate-shaped tablet press, so that the granular materials need to be heated and the thickness of the granular materials is adjusted during tablet pressing, and on one hand, the plate-shaped tablet press is not accurate enough in temperature control and more heat escapes.

Secondly, the tabletting device with the plate-shaped structure cannot realize continuous tabletting, after the plate-shaped tabletting is finished, the sheet is needed to be taken out and then recharged, the tabletting step is wasted, and the efficiency is not high enough.

Thirdly, when the thickness of the pressing sheet is adjusted by the pressing sheet-pressing mechanism, the thickness adjustment is realized by changing the pressing sheet, and the adjustment mode is obviously very troublesome and can not be completed in real time.

Therefore, in order to solve the above-mentioned problems, it is necessary to develop a lens sheeting mechanism which is reasonable in structure and improves the working efficiency.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art and provides a lens tabletting mechanism; the technical scheme is as follows:

the lens sheeting mechanism comprises two compression rollers which are correspondingly arranged, wherein a gap between the two compression rollers is set as a sheeting gap, and the shaft ends of the two compression rollers are provided with driving mechanisms; the outer sides of the two compression rollers are respectively provided with an outer shell, the corresponding end surfaces of the two outer shells are provided with open slots, and the two compression rollers extend out of the corresponding open slots; and a heat conducting plate is also arranged in the outer shell, the heat conducting plate is of an arc-shaped structure, the shape angle corresponds to the position of the press roller, and the heat conducting plate correspondingly props against the press roller.

The heat conducting plate is also embedded with an arc-shaped heating plate, the heating plate heats the heat conducting plate, the heat conducting plate correspondingly transmits heat to the press roller to heat the press roller, the press roller correspondingly rotates, the heat conducting plate and the heating plate are fixed in position, after the press roller is heated, the lens material placed in the pressing gap can be heated, and after the heating and extrusion, the lens material falls from the pressing gap.

Further, a power supply device is further installed in the outer shell, the power supply device provides power for the heating plate, and the heating power and the heating temperature of the heating plate are adjustable.

Further, the heating plate is provided with a resistor sheet; the heat conducting plate is made of copper plates which are easy to conduct heat; the surface of the compression roller is also wrapped with a layer of copper plate.

Further, the driving mechanism at two side ends of each press roller is provided with a spring inner rod, the spring inner rod extends outwards, the spring inner rod is correspondingly sleeved inside the arranged spring outer rod, a spring piece is arranged between the spring inner rod and the spring outer rod, under the action of the tension of the spring piece, the press roller is pulled outwards, and the press roller is blocked by the heat-conducting plate in the outer shell at the same time, so that the position of the press roller is fixed, and the press roller is tightly pressed on the heat-conducting plate.

Further, a pushing mechanism is further arranged on the outer side of each outer shell, a piston rod of the pushing mechanism extends into the outer shell and is arranged on the heat conducting plate, the pushing mechanisms on the two sides correspondingly support against the heat conducting plate to fix the heat conducting plate, the position of the heat conducting plate can be adjusted, and therefore the positions of the two compression rollers can be adjusted, and the size of the compression gap can be adjusted.

Further, the length of the heat conducting plate is consistent with the length of the compression roller, the radian of the heat conducting plate is set to be 90 degrees, and the arc length of the heat conducting plate accounts for one fourth of the total circumference; and the heating plates embedded in the heat-conducting plates are correspondingly arranged.

The beneficial effects are that: the utility model has the following beneficial effects:

1) The transparent tabletting mechanism of the device is of a structure of double compression rollers, a gap between the two compression rollers is a tabletting gap, and the two compression rollers can be heated, so that particle materials pass through the tabletting gap and then are directly pressed into sheet plates with the size and thickness meeting the requirements, and then the sheet plates are subjected to mechanical cutting for processing treatment;

2) The heat of the compression roller in the device is derived from the heating plate and the heat conducting plate which are arranged on the outer side, after the heating plate generates heat, the heat conducting plate transmits the heat to the compression roller, the compression roller wraps a layer of copper sheet, the heat conductivity is good, and the particle materials in the gap between the compression rollers can be heated, so that the compression rollers can be smoothly pressed, the heating mode is reasonable in structure, only the surface of the compression roller is heated, no great change is needed, the structure is reasonable, and the use is convenient;

3) The heating plate and the heat conducting plate are supported and fixed through the pushing mechanisms at two sides, the compression roller is supported and fixed through the spring inner rod, the spring outer rod and the spring piece, and the heat conducting plate is tightly attached to the compression roller under the action of the spring piece, so that smooth heat conduction can be realized; on the other hand, the pushing mechanism can drive the heat-conducting plate to move and the pressing roller to move so as to adjust the size of the pressing gap, thereby adjusting the thickness of the pressing sheet, and achieving two purposes in structure.

Drawings

FIG. 1 is a block diagram of the present utility model;

fig. 2 is a cross-sectional view A-A of fig. 1.

Detailed Description

The utility model will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, a lens sheeting mechanism comprises two compression rollers 1 which are correspondingly arranged, wherein a gap between the two compression rollers 1 is set as a sheeting gap 2, and the shaft ends of the two compression rollers 1 are respectively provided with a driving mechanism 3; the outer sides of the two compression rollers 1 are provided with outer shells 4, the corresponding end faces of the two outer shells 4 are provided with open slots 5, and the two compression rollers 1 extend out of the corresponding open slots 5; and the heat conducting plate 6 is also arranged in the outer shell 4, the heat conducting plate 6 is of an arc-shaped structure, the shape angle corresponds to the position of the press roller 1, and the heat conducting plate 6 correspondingly props against the press roller 1.

The transparent tabletting mechanism of the device is of a structure of double compression rollers, a gap between the two compression rollers is a tabletting gap, and the two compression rollers can be heated, so that particle materials pass through the tabletting gap and then are directly pressed into sheet plates with the size and thickness meeting the requirements, and then the sheet plates are subjected to mechanical cutting for processing treatment;

the heat conducting plate 6 is embedded with the arc-shaped heating plate 7, the heating plate 7 heats the heat conducting plate 6, the heat conducting plate 6 correspondingly transmits heat to the press roller 1 to heat the press roller 1, the press roller 1 correspondingly rotates, the heat conducting plate 6 and the heating plate 7 are fixed in position, after the press roller 1 is heated, lens materials placed in the tabletting gap 2 can be heated, and after the heating and extrusion, the lens materials fall from the tabletting gap 2.

The power supply device 8 is also installed inside the outer casing 4, the power supply device 8 provides power for the heating plate 7, and the heating power and the heating temperature of the heating plate 7 are adjustable.

The heating plate 7 is provided as a resistor sheet; the heat conducting plate 6 is made of copper plate which is easy to conduct heat; the surface of the press roller 1 is also wrapped with a layer of copper plate.

The heat of compression roller among this device comes from the hot plate and the heat-conducting plate of outside installation, and after the hot plate produced heat, the heat-conducting plate was with heat transfer to the compression roller on, compression roller itself parcel one deck copper sheet, and the heat conductivity is also better, can heat the granule material in the preforming clearance to can realize the preforming smoothly, this heating method is rational in infrastructure, only need heat the compression roller surface can, need not do great change, rational in infrastructure, convenient to use.

The driving mechanism 3 at two side ends of each press roller 1 is further provided with a spring inner rod 9, the spring inner rod 9 extends outwards, the spring inner rod 9 is correspondingly sleeved inside a spring outer rod 10, a spring piece 11 is arranged between the spring inner rod 9 and the spring outer rod 10, under the action of the tension of the spring piece 11, the press rollers 1 are pulled outwards, the press rollers 1 are blocked by the heat conducting plates 6 in the outer shell 4 at the same time, the positions of the press rollers 1 are fixed, and the press rollers 1 are pressed on the heat conducting plates 6.

The outside of each outer shell 4 is also provided with a pushing mechanism 12 respectively, a piston rod of the pushing mechanism 12 extends into the outer shell 4 and is arranged on the heat-conducting plate 6, the pushing mechanisms 12 on two sides correspondingly support against the heat-conducting plate 6 to fix the heat-conducting plate 6, and the position of the heat-conducting plate 6 can be adjusted, so that the positions of the two compression rollers 1 can be adjusted, and the size of the tabletting gap 2 can be adjusted.

The length of the heat conducting plate 6 is consistent with the length of the compression roller 1, the radian of the heat conducting plate 6 is set to 90 degrees, and the arc length of the heat conducting plate 6 occupies one fourth of the total circumference; and the heating plates 7 embedded in the heat-conducting plates 6 are correspondingly arranged.

The heating plate and the heat conducting plate are supported and fixed through the pushing mechanisms at two sides, the compression roller is supported and fixed through the spring inner rod, the spring outer rod and the spring piece, and the heat conducting plate is tightly attached to the compression roller under the action of the spring piece, so that smooth heat conduction can be realized; on the other hand, the pushing mechanism can drive the heat-conducting plate to move and the pressing roller to move so as to adjust the size of the pressing gap, thereby adjusting the thickness of the pressing sheet, and achieving two purposes in structure.

The above detailed description is only a preferred embodiment of the present utility model and is not intended to limit the scope of the claims, but all equivalent changes and modifications that can be made according to the protection scope of the claims are included in the scope of the claims.

Claims

1. The lens tabletting mechanism comprises two compression rollers (1) which are correspondingly arranged, wherein a gap between the two compression rollers (1) is set as a tabletting gap (2), and the shaft ends of the two compression rollers (1) are provided with driving mechanisms (3); the method is characterized in that: the outer sides of the two press rolls (1) are provided with outer shells (4), the corresponding end surfaces of the two outer shells (4) are provided with open slots (5), and the two press rolls (1) extend out of the corresponding open slots (5); the heat conducting plate (6) is also arranged in the outer shell (4), the heat conducting plate (6) is of an arc-shaped structure, the shape angle corresponds to the position of the press roller (1), and the heat conducting plate (6) correspondingly props against the press roller (1);

the novel lens pressing device is characterized in that an arc-shaped heating plate (7) is further embedded in the heat conducting plate (6), the heat conducting plate (7) heats the heat conducting plate (6), heat is correspondingly transferred to the pressing roller (1) by the heat conducting plate (6), the pressing roller (1) is correspondingly rotated, the heat conducting plate (6) and the heating plate (7) are fixed in position, after the pressing roller (1) is heated, lens materials placed in the pressing gap (2) can be heated, and after the pressing roller is heated and extruded, the lens materials fall from the pressing gap (2).

2. A lens sheeting mechanism as claimed in claim 1, wherein: the inside of the outer shell (4) is also provided with a power supply device (8), the power supply device (8) provides power for the heating plate (7), and the heating power and the heating temperature of the heating plate (7) are adjustable.

3. A lens sheeting mechanism as claimed in claim 1, wherein: the heating plate (7) is provided with a resistor disc; the heat conducting plate (6) is made of copper plates which are easy to conduct heat; the surface of the press roller (1) is also wrapped with a layer of copper plate.

4. A lens sheeting mechanism as claimed in claim 1, wherein: the driving mechanism (3) at two side ends of each press roller (1) is further provided with a spring inner rod (9), the spring inner rod (9) extends outwards, the spring inner rod (9) is correspondingly sleeved inside a spring outer rod (10) arranged in a sleeved mode, a spring piece (11) is arranged between the spring inner rod (9) and the spring outer rod (10), under the action of the tension of the spring piece (11), the press rollers (1) are pulled outwards, the press rollers (1) are blocked by the heat conducting plate (6) in the outer shell (4) at the same time, the positions of the press rollers (1) are fixed, and the press rollers (1) are tightly pressed on the heat conducting plate (6).

5. A lens sheeting mechanism as in claim 4, wherein: the outside of each external shell (4) is also provided with a pushing mechanism (12), a piston rod of the pushing mechanism (12) stretches into the external shell (4) and is arranged on the heat-conducting plate (6), the pushing mechanisms (12) on two sides correspondingly support against the heat-conducting plate (6), the heat-conducting plate (6) is fixed, the position of the heat-conducting plate (6) can be adjusted, and therefore the positions of the two compression rollers (1) can be adjusted, and the size of the tabletting gap (2) can be adjusted.

6. A lens sheeting mechanism as in claim 5, wherein: the length of the heat conducting plate (6) is consistent with the length of the press roller (1), the radian of the heat conducting plate (6) is set to be 90 degrees, and the arc length of the heat conducting plate (6) accounts for one fourth of the total circumference; and the heating plates (7) embedded in the heat-conducting plates (6) are correspondingly arranged.