KR20060001862A - Extracting the aspherics mold with multiple cavities and input multihand device - Google Patents

Abstract

The present invention disassembles the stopper ring of the mold by placing various robot hands that automatically handle the aspherical lens pressurized into a mold having a plurality of cavities in one plate so as to save time due to the movement of the hand. · Moving the 'Hand A' to assemble and the 'Hand B' to suck and take out the molded lens, the 'Hand C' to disassemble and assemble the upper core of the mold and the 'Hand D' to suck and insert the lens material It is characterized by the multi-hand structure of the automation device that aggregates 'hand E'.

Aspherical Lens, Forming, Robot, Multihand, Extraction

Description

Extracting the aspherics mold with multiple cavities and input multihand device}

1 is a plan view of an automated device equipped with the present invention 'multi-handling device for taking out and inserting an aspheric lens forming mold having a plurality of cavities'

FIG. 2 is a right side view of FIG. 1

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a front view of the present invention multihand device

5 is a front view and a side view of FIG. 4 'Hand A'

6 is a front view and a side view of FIG. 4 'Hand B'

7 is a front view and a side view of Figure 4 'hand C'

FIG. 8 is a front view and a side view of FIG. 4 'hand D'

9 is a front view and a side view of FIG. 4 'Hand E'

10 is a front view of the multihand device displacement sensor of the present invention;

11 is a plan view and a cross-sectional view of the mold for molding the aspherical lens of the present invention.

※ Explanation of code for main part of drawing

M1. Molding Machine 100. Automation Device

101.Robot 102. Multihanded

106. Regulation Part I 107. Regulation Part II

114. Lens material alignment unit 116. Lens alignment unit

121. Lens material 123. Molded lens

125. Mold 130. Upper core

131.Bush 133. Stopper Ring

134.Low Plate 135.Horcore

201.Hand A 202.Hand B

203. Hand C 204. Hand D

205.Hand E

The present invention is to reduce the work time loss due to the movement of each hand by gathering a robot hand having a variety of functions in one plate, more specifically, aspheric lens extraction and input automation to manufacture aspherical lens by pressing molding It relates to a multihand of the device.

Aspheric lenses are widely used in compact products such as mobile phones and digital cameras because they can simplify and lighten the structure of the optical system.Aspherical lenses have a problem of mass productivity due to the problem of grinding by diamond tools in ultra-precision CNC machines. The lens is produced by a direct press molding method in which the lens material is heated and pressed.

The direct press molding method is an aspheric mold having extremely high surface quality and surface precision, and a method of forming a lens by hot pressing a lens material or hot pressing a preheated lens material requires careful handling to maintain stable quality.

Conventional molding process of aspherical lens is to insert the preformed lens material between the upper and lower molds, assemble the mold and attach it to the molding machine, press molding, take out the mold from the molding machine, remove the mold and take out the molded lens, Although a series of cycles are stored manually on pallets, unlike single cavity molds that form one lens in one mold, advanced molds with multiple cavities have smaller lens materials or molded parts. Because it was difficult to process the lens finely and quickly by hand, the lens material could not be put in the correct position of the mold, so many molding defects occurred and there was a limit in productivity improvement. Automated device for taking out and inserting aspherical lens molding machine 'can solve the above problem Values were proposed bar.

In the present invention, by disassembling a mold having a plurality of cavities in the automation device, taking out a molded lens, injecting lens materials, and recombining the molds, the robot hands having respective functions are assembled on one plate. It is an object of the present invention to provide a configuration that can reduce the loss of working time due to the movement of the hand for the operation of.

In order to achieve the above object, the present invention 'multi-handling device for aspheric lens molding having a plurality of cavities and inserting the multi-hand apparatus' disassembles and assembles the molds carried out from the lens molding machine into respective parts, and takes out the molded lens. Disassembles and disassembles 'Hand A', which disassembles and assembles the stopper ring of the mold mounted on the 3-axis Cartesian robot that inserts the lens material, 'Hand B', which sucks and extracts the molded lens, and the upper core of the mold. A multi-hand assembly consisting of 'Hand C' for assembling, 'Hand D' for adsorbing and inserting lens material, and 'Hand E' for moving a mold, are provided.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view of an automated device equipped with the present invention 'multi-handling device for taking out and inserting a mold for molding an aspherical lens having a plurality of cavities', FIG. 2 is a right side view of FIG. 1, and FIG. 3 is an AA line of FIG. 4 is a front view and a side view of FIG. 4 'Hand A', FIG. 6 is a front view and a side view of FIG. 4 'Hand B', and FIG. FIG. 8 is a front view and a side view of the hand C ', FIG. 8 is a front view and a side view of FIG. 4' Hand D ', FIG. 9 is a front view and a side view of the hand E' of FIG. 11 is a plan view and a sectional view of the metal mold for molding aspherical lens of the present invention.

1 to 3 are diagrams of the automation device 100 to which the multihand 102 of the present invention is mounted.

The multi-hand 102 is attached to the Z-axis of the triaxial Cartesian robot 101. The multi-hand 102 disassembles the mold 125 carried out from the molding machine M1 to take out the molding lens 123. After the lens material 121 is inserted and carried out a process of assembling the mold into the molding machine (M1).

4 is a layout view of the multi-hand 102, hand A (201) is gripping the mold is completed, the mold is loaded into the prescribed part I (106) and the stopper ring 133 of the mold to separate and grip the lens material After the injection into the mold to assemble the stopper ring 133 is assembled into the molding machine (M1), the hand B 202 is a lens alignment unit by taking out the aspherical lens formed in the mold by vacuum suction method collectively. The hand C 203 serves to disassemble and assemble the upper core 130 of the mold by vacuum adsorption, and the hand D 204 is disposed at the lens material alignment unit 114. The lens material taken out by the vacuum adsorption method is put into the mold, and the hand E 205 takes out the mold from which the stopper ring 133 is separated from the mold regulation I 106, and sends it to the regulation part II 107. It is responsible for loading.

The laser displacement sensor 208 is a device for checking the assembly accuracy after assembling the upper core 130 of the mold.

In the hand A 201 shown in FIG. 5, the LM guide 503 is installed at the hand main base 500 to guide the up and down movement of the air cylinder 501.

The CR LM guide 508 guides the lift of the safety air cylinder 507 when the hand and the hand collide with each other.

The safety air cylinder 507 when the hand hits any peripheral device, when the shock is transmitted over the set pressure, the cylinder is raised and the alarm is processed by the operation of the lift sensor, the robot is stopped.

Since the clamp 513 moves by supporting the low plate 134 of the mold, it prevents the upper and lower cores 130 and 135 from falling off, and the clamp cylinder II 519 transfers the entire mold by clamping the outer diameter of the stopper ring 133 of the mold. do.

The sensor plate 517 is provided with a direct reflection sensor to sense the presence or absence of the mold. The hand B 202 shown in FIG. 6 is installed with the LM guide 601 in the hand main base 500 to guide the operation of the safety air cylinder 604, and the shock protection function is the same as that of the hand A 201.

After installing the air cylinder 610 in the slide bracket 609, the body body 612 is assembled.

The body body 612 has a plurality of cavities corresponding to the plurality of cavities, and the body cover 613 is coupled to the body cover 613, the number of the body pad 614 is attached by the number of cavities at this time fitting the bottom pad 614 This is to make it easy to be compatible when producing lenses of different specifications.

The adsorption method is configured so that each cavity is individually piped from the vacuum unit (not shown) provided in the lower base of the device to the cavity at the time of the adsorption error.

The hand C 203 shown in FIG. 7 attaches the LM guide 702 to the hand main base 500 and installs an air cylinder 708.

A floating joint 709 is installed at the end of the air cylinder 708 to protect the cylinder rod. The function of the safety air cylinder 711 is the same as that of the hand A 201.

The centering device 715 is a compensating device for centering the upper core 130 of the mold.

Attach the bottom cover bracket 716 in which the vacuum pipe is formed as much as the cavity number of the mold and install the bottom cover 718 as much as the cavity quantity, and then tighten the air fitting 719 to pipe with the vacuum unit.

The hand D 204 shown in FIG. 8 installs the safety air cylinder 810 after attaching the LM guide 802 to the hand main base 500. The function of the safety air cylinder 810 is the function of the hand A 201. same.

The body body 814 is attached to the air cylinder 806, and the body cover 815 is coupled to the body cover 815, and the body pad 818 is inserted into the cavity quantity.

The hand E 205 shown in FIG. 9 installs an LM guide 903 in the hand main base 500 to guide the air cylinder 901 when moving up and down.

The function of the safety air cylinder 907 is the same as that of the hand A 201.

The clamp cylinder 914 supports the low plate 134 of the mold with the jaws 916 and 917 and simultaneously clamps the outer diameter of the bush 131 of the mold in which the stopper ring 133 is separated.

The sensor plate 919 directly installs a reflective sensor to sense the presence or absence of the mold.

The laser displacement sensor 308 shown in FIG. 10 is installed on the hand main base 500 and has an image core using a fix bracket 301 and a middle bracket 302, a joint ROB 303, and a probe body 304. (130) After assembling the pushing device, the spring probe 305 is coupled to the circumference by the cavity quantity of the mold.

The function of the laser displacement sensor 308 is to insert the lens material into the mold and assemble the upper core 130, and then press the upper core 130 with the compression force of the spring by pressing the upper end of the upper core 130 with the spring probe 305 to press the upper core 130. The mold is more accurately inserted into the mold, and then the upper end of the upper core 130 is measured by the laser displacement sensor 308 to finally check the state of the core.

The present invention improves work efficiency by arranging the hands in a straight line on one base based on the work order, and improves productivity by allowing simultaneous ejection or input of materials and molded products in a plurality of cavities. It is possible to protect it in the event of a hand collision by attaching and to handle a lens of various specifications by simply replacing the parts of the hand.

Claims (1)

In the robot hand of the automated device which disassembles the mold for aspherical lens forming to be press-molded, takes out the molded lens and inputs the lens material. The hand A 201 for disassembling and assembling the stopper ring 133 of the mold 125 and the hand B 202 for adsorbing and taking out the molding lens 123 and the hand for disassembling and assembling the upper core 130 of the mold. The hand D 204 for adsorbing and injecting the C 203 and the lens material 121 and the hand E 205 for moving the mold are assembled into one plate to form a multi-handed 102. A multi-handed device for taking out and inserting a mold for aspherical lens forming having a cavity.

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