CN114762927A - Automatic assembling machine and assembling method for mask lens - Google Patents

Abstract

The automatic assembling machine comprises a machine body, the machine body is provided with a lens assembling module and a manipulator, one side of the machine body is provided with a conveying line, a profiling jig for fixing a face mask is placed on the conveying line, the manipulator is used for clamping the profiling jig from the conveying line and conveying the profiling jig into the lens assembling module, the lens assembling module comprises a clamp for clamping the face mask, a profiling support for fixing the lens is arranged below the clamp, the lens corresponds to a picture frame of the face mask, a deformable guide pillar is arranged above the clamp and penetrates through the clamp to press the lens downwards, a first air cylinder is arranged above the clamp, and under the action of the first air cylinder, the clamp and the face mask move downwards to the position of the lens to enable the lens to be pressed into the picture frame. The automatic assembling device realizes the automatic assembling of the lens, saves labor cost, has high assembling precision and good product consistency, and can control the production rhythm by adjusting the speed of the conveying line and the speed of the first air cylinder, thereby realizing the quantification of the production speed.

Description

Automatic assembling machine and assembling method for mask lens

Technical Field

The invention relates to the technical field of manufacturing of protective articles, in particular to an automatic assembling machine and an assembling method for a mask lens.

Background

The mask is a common protective tool and is widely applied to various industries such as spraying, agriculture, printing, chemical industry, medical treatment, rescue and the like. The face guard can be divided into two in the function, is used for respiratory track to strain the respiratory protection of cigarette filtration poison and to the isolation protection of facial eye respectively, and wherein the lens is the important component part of isolation protection, in the installation, need imbed the picture frame with the U type recess of lens according to the position requirement, makes lens and face guard laminating.

According to investigation, as the masks are mostly made of rubber/silica gel products, the masks are soft in texture and difficult to realize accurate positioning by using a clamp, the processes for mounting the lenses on the existing domestic and foreign mask production lines are all manual mounting. The drawbacks of manual installation are: (1) the production efficiency depends on the technical maturity of workers; (2) the accuracy of the lens mounting position and the consistency of products are difficult to grasp; (3) the production beat is difficult to control. Therefore, there is a need for a better assembling structure of mask lens to solve the above problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the automatic assembling machine and the assembling method for the mask lens, which have the advantages of automation of the lens assembling process, high precision of the installing position, good product consistency, quantifiable production speed and labor cost saving.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic assembling machine for a mask lens comprises a machine body, wherein the machine body is provided with a lens assembling module and a manipulator, one side of the machine body is provided with a conveying line, a profiling jig for fixing the mask is arranged on the conveying line, the manipulator is used for clamping the profiling jig from the conveying line and sending the profiling jig into the lens assembling module, the lens assembling module comprises a clamp for clamping the mask, a profiling support for fixing the lens is arranged below the clamp, the lens corresponds to the frame of the mask, a deformable guide post is arranged above the clamp, the deformable guide post penetrates through the clamp to press the lens downwards, a first air cylinder is arranged above the clamp, under the action of the first air cylinder, the clamp and the mask move downwards to the lens position so that the lens is pressed into the lens frame.

Further, anchor clamps include anchor clamps and lower anchor clamps, go up anchor clamps and be equipped with first recess to hold the upper portion of face guard, go up anchor clamps with the profile modeling tool presss from both sides tightly jointly the face guard, lower anchor clamps are equipped with the second recess, so that the location is gone into to the profile modeling tool card.

Further, the upper clamp or the lower clamp is connected with a second air cylinder, and the second air cylinder drives the upper clamp or the lower clamp to move towards each other so that the upper clamp and the lower clamp can be attached to clamp the mask.

Furthermore, the positions of the fixture and the profiling jig corresponding to the deformable guide post are provided with profiling through holes, the profiling through holes are profiled with the mirror frame, and the size of the profiling through holes is larger than that of the mirror frame so that the deformable guide post can pass through the profiling through holes without interference.

Further, guiding shafts are arranged on the periphery of the clamp and are installed on the machine body, and the clamp and the mask fixed by the clamp move linearly towards the lens along the guiding shafts.

Furthermore, the deformable guide pillar, the mirror frame, the lens and the profiling support are coaxially arranged.

Further, the deformable guide pillar comprises a pillar body portion and a partition portion, the upper portion of the pillar body portion and the lower portion of the partition portion are integrally arranged, the partition portion is divided into a plurality of pieces, a through hole is formed in the deformable guide pillar along the central axis of the deformable guide pillar, a guide rod penetrates through the through hole, an inclined strut is arranged at the bottom of the guide rod, an inclined plane corresponding to the inclined strut is arranged at the lower portion of the through hole, a third air cylinder is connected to the top of the guide rod, and when the third air cylinder drives the guide rod to move downwards, the inclined strut abuts against the inclined plane to prop the partition portion open.

Further, the outer contour dimension of the separating part in the tightened state is smaller than the dimension of the lens frame, and the outer contour dimension of the separating part in the expanded state is the same as the lens contour dimension.

Further, the third cylinder and the deformable guide pillar are mounted on a fourth cylinder, the fourth cylinder is mounted on the machine body, and the deformable guide pillar is driven by the fourth cylinder to move downwards until the lens is pressed.

An assembling method based on the automatic assembling machine for the mask lens comprises the following steps:

the manipulator clamps the profiling jig from the conveying line and sends the profiling jig into the lens assembling module, and the profiling jig and the mask are fixed in the clamp;

the deformable guide post passes through the clamp and the mirror frame without interference under the condition that the outline size of the deformable guide post is smaller than that of the mirror frame under the contraction state, then the deformable guide post is changed into an opening state, and the lens is pressed downwards;

the first air cylinder pushes the clamp, the profiling jig and the face mask to move towards the lens together, and in the process that the face mask moves downwards, the deformable guide posts gradually prop open the picture frame to enable the size of the picture frame to be equal to that of the lens until the lens is pressed into the picture frame.

The invention has the beneficial effects that:

the profiling jig with the face mask fixed by the manipulator clamp realizes automatic feeding and discharging, the clamp and the face mask are driven by the first cylinder to move downwards to realize press fitting of the face mask picture frame and the lenses, and meanwhile, the deformable guide pillar penetrates through the clamp and the face mask picture frame in the assembling process, so that the picture frame can be guided and expanded, and the lenses can be pressed downwards. The automatic assembling device realizes the automatic assembling of the lens, saves labor cost, has high assembling precision and good product consistency, and can control the production rhythm by adjusting the speed of the conveying line and the speed of the first air cylinder, thereby realizing the quantification of the production speed.

Drawings

Fig. 1 is a perspective view of an automatic assembling machine for mask lenses according to the present invention;

FIG. 2 is a schematic structural diagram of a lens assembling module of the automatic assembling machine for mask lenses according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a front view of FIG. 2;

FIG. 5 is a cross-sectional view of a lens mounting module of the present invention;

FIG. 6 is a schematic structural view of a deformable guide post, a guide rod and a third cylinder in the lens assembling module according to the present invention;

FIG. 7 is a cross-sectional view of FIG. 6;

FIG. 8 is a perspective view of a deformable guide post;

FIG. 9 is a perspective cross-sectional view of a deformable guide post;

FIG. 10 is a front view of FIG. 9;

in the figure, 1-machine body, 2-mechanical arm, 3-conveying line, 4-profiling jig, 5-face mask, 6-mirror frame, 7-lens, 8-profiling support, 9-deformable guide post, 10-first cylinder, 11-upper clamp, 12-first groove, 13-lower clamp, 14-second groove, 15-lug, 16-second cylinder, 17-profiling through hole, 18-guide shaft, 19-cylinder part, 20-separation part, 21-through hole, 22-inclined plane, 23-guide rod, 24-inclined strut, 25-third cylinder, 26-fourth cylinder and 27-gap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, the invention provides an automatic assembling machine for a mask lens, which comprises a machine body 1, wherein the machine body 1 is provided with a lens assembling module and a manipulator 2, one side of the machine body 1 is provided with a conveying line 3, a copying jig 4 for fixing a mask 5 is placed on the conveying line 3, the manipulator 2 is used for clamping the copying jig 4 from the conveying line 3 and conveying the copying jig 4 to the lens assembling module, and the mask 5 and the lens 7 are assembled in the lens assembling module.

The lens assembly module comprises a clamp used for clamping the face mask 5, a profiling support 8 used for fixing the lens 7 is arranged below the clamp, the lens 7 corresponds to the lens frame 6 of the face mask 5, a deformable guide pillar 9 is arranged above the clamp, the deformable guide pillar 9 penetrates through the clamp to press the lens 7 downwards, a first air cylinder 10 is arranged above the clamp, and under the action of the first air cylinder 10, the clamp and the face mask 5 move downwards to the position of the lens 7 to enable the lens 7 to be pressed into the lens frame 6. Deformable guide post 9 passes profile modeling tool 4 and compresses tightly lens 7 before lens 7 and picture frame 6 assemble, then face guard 5 removes to lens 7 direction together with profile modeling tool 4, and picture frame 6 of face guard 5 is expanded by deformable guide post 9 gradually this moment, treats that face guard 5 moves down to behind the lens 7 mounted position, and 5 picture frames of face guard 6 size reaches lens 7 size, continues to move down, and lens 7 card is gone into picture frame 6 smoothly, has realized the pressure equipment of lens 7 with picture frame 6.

As shown in fig. 2 to 5, although the face mask 5 is fixed by the profiling jig 4, the face mask 5 may be elastically deformed in the opposite direction during the movement of the face mask 5 along the deformable guide posts 9 due to the elasticity of the face mask 5, and thus the face mask 5 needs to be further fixed. In this embodiment, the lens assembly module is provided with a clamp, the clamp comprises an upper clamp 11 and a lower clamp 13, the upper clamp 11 is provided with a first concave groove 12 which is concave upwards and is arc-shaped so as to accommodate the upper part of the face mask 5, and the upper clamp 11 and the profiling jig 4 clamp the face mask 5 together. The lower fixture 13 is provided with a second groove 14 for the copying fixture 4 to be clamped and positioned. In this embodiment, the lower fixture 13 is disposed on two sides of the profiling fixture 4, and the second grooves 14 are disposed opposite to each other, and when the profiling fixture 4 is installed in the lower fixture 13, the lower fixture is clamped and positioned inward from the edges of the second grooves 14. The upper clamp 11 or the lower clamp 13 is connected with a second air cylinder 16, and the second air cylinder 16 drives the upper clamp 11 or the lower clamp 13 to move towards each other so that the upper clamp 11 or the lower clamp 13 can be attached to clamp the mask 5. In this embodiment, the both sides of lower clamp 13 are equipped with hangers 15, and hangers 15 are connected with second cylinder 16, and second cylinder 16 upwards stimulates and drives down anchor clamps 13 rebound to laminate and press from both sides tight face guard 5 with last anchor clamps 11, realize the location of face guard 5 upper and lower direction, prevent face guard 5 elastic deformation.

Preferably, the jig and the copying jig 4 are provided with copying through holes 17 at positions corresponding to the deformable guide posts 9, the copying through holes 17 copy the lens frame 6, and the size of the copying through holes 17 is larger than that of the lens frame 6, so that the deformable guide posts 9 do not interfere with the upper jig 11, the lower jig 13 and the copying jig 4 when passing through.

The periphery of the clamp is vertically provided with a guide shaft 18, the guide shaft 18 is arranged on the machine body 1, and under the action of the first air cylinder 10, the clamp and the mask 5 fixed by the clamp move linearly towards the lens 7 along the guide shaft 18. The deformable guide post 9, the spectacle frame 6, the lens 7 and the profiling support 8 are coaxially arranged, so that the assembly precision is ensured.

The lens 7 is fixed on the profiling support 8, and the feeding mode of the lens 7 includes but is not limited to a multi-axis robot, a scara robot, a delta robot, a manual feeding mode, and the like, which are not described herein again. When the lens 7 is installed in the face mask 5, it needs to be pressed by the profiling support 8 and the deformable guide post 9 to avoid the displacement which causes the inaccurate assembly.

As shown in fig. 5 to 10, the deformable post 9 is formed from spring steel or other resilient material. The deformable guide post 9 includes a cylindrical portion 19 integrally provided at an upper stage and partitions 20 divided into a plurality of pieces at a lower stage, and a gap 27 is provided between adjacent partitions 20, and in this embodiment, the partitions 20 are divided uniformly in a circumferential direction of the cylindrical portion 19, and in other embodiments, the partitions 20 may be divided non-uniformly according to a change in structural stress. The deformable guide post 9 is provided with a through hole 21 penetrating through the center axis of the deformable guide post from top to bottom, a guide rod 23 penetrating through the through hole 21, an inclined support 24 arranged at the bottom of the guide rod 23, an inclined plane 22 corresponding to the inclined support 24 arranged at the lower section of the through hole 21, a third air cylinder 25 connected to the top of the guide rod 23, and when the third air cylinder 25 drives the guide rod 23 to move downwards, the inclined plane 22 is supported by the inclined support 24 to support the partition part 20. The third cylinder 25 and the deformable guide pillar 9 are mounted on the fourth cylinder 26, in this embodiment, the fourth cylinder 26 is a rodless cylinder, the fourth cylinder 26 is mounted on the machine body 1, and the deformable guide pillar 9 is driven by the fourth cylinder 26 to move downwards until the lens 7 is pressed, so that the lens 7 is stably positioned in the assembling process and cannot move, and the mounting accuracy is ensured.

Because the periphery of the lens 7 is provided with the U-shaped groove, the outer contour of the U-shaped groove is larger than that of the lens frame 6, so that the size of the outer contour of the separating part 20 of the deformable guide post 9 is smaller than that of the lens frame 6 in a tightened state, and the separating part does not generate structural interference when passing through the face mask 5 and the profiling jig 4 downwards; the outer contour dimension of the partition part 20 is the same as the outer contour dimension of the lens 7 in the opened state, the deformable guide post 9 plays a guiding role in the installation process, and the lens frame 6 is spread by the deformable guide post 9, so that the lens 7 can be smoothly clamped into the lens frame 6. The bottom of the deformable guide pillar 9 and the lens 7 are in copying shape, and can be attached to the inner side of the U-shaped groove of the lens 7 to tightly press the lens 7.

The invention also provides an assembly method of the automatic assembly machine for the mask lens, which comprises the following steps:

the manipulator 2 is got from transfer chain 3 and is got the profile modeling tool 4 and send to the lens assembly module in, and profile modeling tool 4 and face guard 5 are fixed in the anchor clamps. Specifically, the profiling jig 4 is clamped into the lower clamp 13 from the second groove 14, and then the second air cylinder 16 drives the lower clamp 13 to move towards the upper clamp 11 until the upper clamp 11 is attached to the lower clamp 13 to press the mask 5, so that the mask 5 is positioned.

The outer contour dimension of the deformable guide post 9 in the contraction state is smaller than the dimension of the lens frame 6, and the deformable guide post passes through the clamp and the lens frame 6 without interference, at this time, the guide rod 23 does not move downwards, then the third cylinder 25 drives the guide rod 23 to move downwards, the inclined plane 22 of the partition part 20 is pushed open by the inclined strut 24 of the guide rod 23, and the deformable guide post 9 becomes the opening state and moves downwards under the action of the fourth cylinder 26 to press the lens 7.

The first air cylinder 10 pushes the clamp, the profiling jig 4 and the face mask 5 to move towards the lens 7 together, and in the downward movement process of the face mask 5, the deformable guide pillars 9 gradually open the lens frame 6 to enable the size of the lens frame 6 to be equal to that of the lens 7 until the lens 7 is pressed into the lens frame 6, so that the press mounting of the lens 7 is completed.

The automatic assembling machine for the mask lens and the assembling process can be automatically carried out, the automatic press fitting operation of the lens 7 and the mask 5 can be realized by controlling the starting, closing, stroke and the like of the first cylinder 10, the second cylinder 16, the third cylinder 25 and the fourth cylinder 26, the automation of the assembling process of the lens 7 is realized, and the automatic feeding and discharging of the mask 5 are realized by utilizing the manipulator 2. The installation of lens 7 and face guard 5 is carried out to the mode that adopts the pressure equipment, makes lens 7 mounted position precision high, and the product uniformity is good, utilizes flexible guide pillar 9 can realize 6 direction and the expansion of picture frame in the assembling process, compresses tightly lens 7 before lens 7 assembles, makes the location stable in the lens 7 assembling process, can not shift, struts picture frame 6 in the installation and makes lens 7 block into picture frame 6 smoothly. The production rhythm of the invention can be controlled by adjusting the speed of the conveying line 3 and the speed of each air cylinder, the production speed can be quantized, the manual operation is not needed, the labor cost is saved, and the working efficiency is improved. The automatic assembling machine for the mask lens has the advantages that the equipment construction is completed, and the operation effect is good.

The invention is also used for the assembly scene of other flexible materials and hard materials.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An automatic assembling machine for mask lenses, comprising: the lens assembling machine comprises a machine body, wherein the machine body is provided with a lens assembling module and a manipulator, one side of the machine body is provided with a conveying line, a profiling jig for fixing a face mask is placed on the conveying line, the manipulator is used for clamping the profiling jig from the conveying line and conveying the profiling jig into the lens assembling module, the lens assembling module comprises a clamp for clamping the face mask, a profiling support for fixing a lens is arranged below the clamp, the lens corresponds to a lens frame of the face mask, a deformable guide pillar is arranged above the clamp and penetrates through the clamp to press the lens downwards, a first air cylinder is arranged above the clamp, and under the action of the first air cylinder, the clamp and the face mask move downwards to the position of the lens so that the lens is pressed into the lens frame.

2. The automatic assembling machine for mask lenses according to claim 1, wherein: the clamp comprises an upper clamp and a lower clamp, the upper clamp is provided with a first groove to accommodate the upper part of the mask, the upper clamp and the profiling jig clamp the mask together, and the lower clamp is provided with a second groove to allow the profiling jig to be clamped into the mask for positioning.

3. The automatic assembling machine for mask lenses according to claim 2, wherein: the upper clamp or the lower clamp is connected with a second air cylinder, and the second air cylinder drives the upper clamp or the lower clamp to move towards each other so that the upper clamp and the lower clamp are attached to clamp the mask.

4. The automatic assembling machine for mask lenses according to claim 1, wherein: the positions of the clamp and the profiling jig corresponding to the deformable guide pillars are provided with profiling through holes, the profiling through holes are profiled with the mirror frame, and the size of the profiling through holes is larger than that of the mirror frame so that the deformable guide pillars can pass through without interference.

5. The automatic assembling machine for mask lenses according to claim 1, wherein: the periphery of the clamp is provided with a guide shaft, the guide shaft is installed on the machine body, and the clamp and the mask fixed by the clamp move linearly along the guide shaft towards the lens.

6. An automatic assembling machine for mask lenses according to claim 1, characterized in that: the deformable guide post, the mirror frame, the lens and the profiling support are coaxially arranged.

7. The automatic assembling machine for mask lenses according to claim 1, wherein: the deformable guide pillar comprises a pillar body part with an upper section integrally arranged and a partition part with a lower section divided into a plurality of pieces, a through hole is formed in the deformable guide pillar along the central axis of the deformable guide pillar, a guide rod penetrates through the through hole, an inclined support is arranged at the bottom of the guide rod, an inclined plane corresponding to the inclined support is arranged at the lower section of the through hole, the top of the guide rod is connected with a third air cylinder, and when the third air cylinder drives the guide rod to move downwards, the inclined support is supported on the inclined plane to support the partition part.

8. An automatic assembling machine for mask lenses according to claim 7, wherein: the outer contour dimension of the separating part in a tightened state is smaller than that of the glasses frame, and the outer contour dimension of the separating part in a spread state is the same as that of the glasses.

9. The automatic assembling machine for mask lenses according to claim 7, wherein: the third cylinder and the deformable guide pillar are mounted on a fourth cylinder, the fourth cylinder is mounted on the machine body, and the deformable guide pillar is driven by the fourth cylinder to move downwards until the lens is pressed.

10. An assembling method of an automatic assembling machine for mask lenses according to claim 1, comprising:

the manipulator clamps the profiling jig from the conveying line and sends the profiling jig into the lens assembly module, and the profiling jig and the mask are fixed in the clamp;

the deformable guide post passes through the clamp and the mirror frame without interference under the condition that the outline size of the deformable guide post is smaller than that of the mirror frame under the contraction state, then the deformable guide post is changed into an opening state, and the lens is pressed downwards;

the first air cylinder pushes the clamp, the profiling jig and the face mask to move towards the lens together, and in the process that the face mask moves downwards, the deformable guide posts gradually prop open the picture frame to enable the size of the picture frame to be equal to that of the lens until the lens is pressed into the picture frame.

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