Automatic lens assembling machine

Abstract

The utility model discloses an automatic lens assembling machine which comprises a horizontally-arranged machine table and further comprises a lens feeding mechanism, an assembling mechanism and a conveying mechanism, the conveying mechanism is arranged on one side of the machine table, and the conveying mechanism conveys material discs on the machine table in the linear direction; at least two lens frames of lenses to be assembled are loaded in the charging tray; the lens feeding mechanism is arranged on the other side of the machine table and leads out lenses in the direction perpendicular to the conveying mechanism. The assembling mechanism is arranged between the conveying mechanism and the lens feeding mechanism, moves back and forth between the conveying mechanism and the lens feeding mechanism and is used for assembling the lenses into the lens frames loaded in the material disc after the lenses are taken out of the lens feeding mechanism. Batch bearing and conveying of the lens frames are achieved with the trays as carriers, circulating supply of the trays is achieved through tray conveying and backflow, and the lens frame feeding efficiency and continuous stability are effectively improved; automatic and synchronous exporting and feeding of the multiple lenses and automatic taking and assembling of the multiple lenses are achieved, and the assembling efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of screen manufacturing equipment, in particular to an automatic lens assembly machine. Background Art

[0002] The screen is an indispensable accessory for various smart terminal devices. It serves as the display and operation input structure of the terminal device. In recent years, devices such as smart phones have gradually become popular, and product updates and iterations are also constantly ongoing.

[0003] The screen manufacturing process involves multiple processes. For mobile phone screens, lens accessories need to be assembled on the back during the production and assembly process. The lens accessories include metal lens frames and lenses. Generally, the lenses need to be assembled in the lens frames, and then the two are assembled as a whole to the back of the screen.

[0004] Due to the small size of the lens and the need to assemble multiple lenses in a single lens frame, it is necessary to design an automatic assembly system that can complete multiple lenses at a time during the lens assembly process, and it is necessary to solve problems such as the load-bearing and transmission of the lens frame and the automatic export and feeding of the lenses. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a lens automatic assembly machine that uses a material tray as a carrier to realize batch loading and transmission of lens frames, and realizes material tray circulation supply through material tray transmission and reflux, thereby effectively improving the feeding efficiency and continuous stability of the lens frames; realizes automatic and synchronous export and feeding of multiple lenses and automatic material collection and assembly of multiple lenses, thereby effectively improving the assembly efficiency.

[0006] The technical solution adopted by the utility model is as follows: an automatic lens assembly machine, including a horizontally arranged machine platform, and also including a lens feeding mechanism, an assembling mechanism and a transmission mechanism, wherein the transmission mechanism is arranged on one side of the machine platform, and the transmission mechanism transmits a material tray on the machine platform in a straight direction; the material tray is loaded with lens frames of at least two lenses to be assembled; the lens feeding mechanism is arranged on the other side of the machine platform, and guides out the lenses in a direction perpendicular to the transmission mechanism; the assembling mechanism is arranged between the transmission mechanism and the lens feeding mechanism, and moves back and forth between the two, and is used to take out the lenses from the lens feeding mechanism and then assemble the lenses into the lens frames loaded in the material tray.

[0007] Preferably, it also includes a waste box and a lower CCD mechanism; the waste box and the lower CCD mechanism are spaced apart and arranged on the machine platform near the transmission mechanism; the lower CCD mechanism is used to photograph the lenses taken out by the inspection assembly mechanism from bottom to top; the waste box is provided with at least two lens slots with top openings for placing lenses that fail the inspection.

[0008] Preferably, the transmission mechanism includes a transmission line and a return line arranged in parallel and at intervals; the transmission line is close to the assembly mechanism; the transmission line and the return line drive the tensioning roller of the tensioning transmission line to rotate through the motor output shaft and the transmission belt sleeved thereon, and the transmission line is driven to move linearly through the static friction force of the tensioning roller; the material tray is placed on the transmission line and moves with the transmission line.

[0009] Preferably, a guide plate is provided above the transmission line; the guide plate comprises two plates, which are horizontally arranged above the transmission line and used for limiting the position of the wire tray; blocking components are respectively provided on the left and right sides of the guide plate for blocking the flow of the tray; the blocking component comprises a blocking cylinder and a block; the blocking cylinder is vertically arranged, and the output end extends upward; the block is arranged on the output end of the blocking cylinder for blocking the flow of the tray; a sensor is also provided on the side of the blocking cylinder for sensing the tray.

[0010] Preferably, the lens feeding mechanism comprises a feeding support plate, a stacking box, a tensioning shaft, a PE film take-up wheel, a guide plate and a waste take-up wheel, wherein the feeding support plate is vertically arranged on the machine platform; the stacking box is arranged below the outer end of the feeding support plate, the top of the stacking box is open, and the material belts for clamping lenses are stacked along a Z-shaped route; the tensioning shaft is arranged at intervals on the upper inner side of the stacking box, and is rotatably connected to the side wall of the feeding support plate; the PE film take-up wheel and the waste take-up wheel are respectively arranged on the upper and lower sides of the tensioning shaft; the guide plate is horizontally arranged below the tensioning shaft and extends horizontally inwardly, the inner end of the guide plate is a stripping plate, and a stripping support is arranged at intervals on the inner side of the stripping plate.

[0011] Preferably, the bottom layer of the material belt is a waste film, and the surface layer is a PE protective film; at least two lenses are sandwiched between the waste film and the PE protective film; the material belt passes from under the tensioning shaft, and the surface PE protective film is connected to the PE film take-up wheel, and the bottom waste film moves linearly inward along the guide plate, and after passing through the gap space between the stripping plate and the stripping support, it moves back and is connected to the waste receiving pulley, and when the waste film drives the lens thereon to pass through the stripping plate, the lens is peeled off from the waste film to the stripping support.

[0012] Preferably, the lens feeding mechanism also includes a material guide assembly, which includes a material guide cylinder and a material guide plate, wherein the material guide cylinder is arranged above the belt guide plate, and the output end is arranged downward; the material guide plate is horizontally connected to the output end of the material guide cylinder, and is driven by the material guide cylinder to move downward toward the belt guide plate, so as to guide the waste film for limited transmission from above.

[0013] Preferably, the assembling mechanism comprises an assembling bracket, a driving motor, a driving screw, a driving slide rail, an assembly linear module and an assembly head, wherein the assembling bracket comprises two, the two assembling brackets are arranged on the machine platform in parallel and at intervals, and are located between the lens feeding mechanism; the driving slide rail comprises two, the two driving slide rails are respectively arranged on the top of the assembling bracket; the driving motor is arranged on one side of the assembling bracket, and a driving screw is connected to its output end; the assembly linear module is straddled above the two assembling brackets, and is slidably connected to the driving slide rails on the two assembling brackets, and is threadedly connected to the driving screw through a screw seat, and when the driving motor drives the driving screw to rotate, the assembly linear module is driven to move back and forth along the driving slide rail through the screw seat; the assembly linear module outputs power in a direction perpendicular to the driving slide rail; and the assembly head is connected to the output end of the assembly linear module.

[0014] Preferably, the assembly head comprises a support, a first CCD component, a lifting motor, a lifting seat, an assembly cylinder, an assembly seat and an assembly suction rod, wherein the support is connected to the output end of the assembly linear module; the first CCD component is arranged on one side wall of the support, and the shooting lens is arranged downwardly, for taking pictures of the lens before taking the lens; the lifting motor is vertically arranged on the other side wall of the support, and the output end is arranged downwardly; the lifting seat is slidably connected to the other side wall of the support in a vertical direction, and is connected to the output end of the lifting motor through a screw seat and a screw, and is driven by the lifting motor to move up and down; the assembly cylinder comprises at least two, at least two assembly cylinders are arranged at intervals on the side wall of the lifting seat, and the output ends are arranged downwardly; the assembly seat is connected to the output end of the assembly cylinder, and is driven by the assembly cylinder to move up and down; the assembly suction rod is vertically arranged on the assembly seat, and extends vertically to the bottom of the assembly seat, and a vacuum suction hole is provided at the bottom of the assembly suction rod, which is used to adsorb and fix the lens, and assemble the lens into the lens frame.

[0015] Preferably, the assembly head also includes a CCD bracket and a second CCD component, wherein the CCD bracket is a U-shaped frame structure, one side of the CCD bracket is connected to the side wall of the lifting seat, and the other side extends to the outside of the assembly suction rod; the second CCD component is arranged on the other side of the CCD bracket, and the shooting direction is set downward, for photographing the lens frame before assembly.

[0016] The beneficial effects of the utility model are:

[0017] In view of the defects and shortcomings of the prior art, the utility model independently developed and designed a lens automatic assembly machine which uses a material tray as a carrier to realize batch loading and transmission of lens frames, and realizes material tray circulation supply through material tray transmission and reflux, effectively improving the feeding efficiency and continuous stability of the lens frames; it realizes automatic and synchronous export and feeding of multiple lenses and automatic material collection and assembly of multiple lenses, effectively improving the assembly efficiency.

[0018] The utility model belongs to a single-station equipment in the lens automatic assembly production line, and its function is to realize the automatic assembly of the lens into the lens frame. In the front-end process of the utility model, the processes of loading and film tearing are completed, and in the back-end process of the utility model, the processes of pressure holding, detection, unloading, etc. after assembly are carried out. Specifically, the utility model adopts a transmission line and a return line arranged in parallel and at intervals as the material tray circulation transmission execution component, and the material tray loaded with the lens frame is transmitted forward in a straight line through the transmission line in the transmission line. When the material tray moves to the assembly mechanism, the material tray is detected by the sensor, and the material tray enters the guide plate arranged above the transmission line, and is guided and limited from above by the guide plate. At the same time, the blocking cylinders on both sides of the material tray drive the block to move upward to prevent other material trays from continuing to flow in, and the lifting mechanism located below the guide plate provides upward power through the cylinder to drive the support plate to support the lower part of the material tray upward to provide support for the material tray during assembly. At the same time, the lens feeding mechanism arranged on the machine table uses the material belt as the lens carrier. The bottom layer of the material belt is a waste film, and multiple rows of lenses are placed on the waste film. The top of the waste film is a PE protective film. The material belt is stacked in the stacking box of the lens feeding mechanism along a Z-shaped path. After the material belt passes under the tensioning shaft, the PE film above it is wound on the PE film take-up wheel, and the waste film at the bottom thereof carries the lens horizontally through the guide plate, and when passing through the gap space between the stripping plate and the stripping support platform set at the end of the guide plate, the lens on the waste film is stripped off to the stripping support platform through the stripping plate, and the stripped waste film extends back from the bottom of the guide plate. The PE film take-up wheel and the waste film take-up wheel are extended and connected to the waste material take-up wheel. When the PE film take-up wheel and the waste material take-up wheel actively rotate, the material belt is continuously pulled out, and the lens is automatically peeled off on the material stripping support table so that the assembling mechanism can take out the lens, thereby realizing the automatic feeding of the lens and the automatic collection of the PE film and the waste film, effectively improving the lens feeding efficiency and the continuous feeding stability, and reducing the downtime; in addition, the horizontal material guide plate is driven by the material guide cylinder above the guide plate to approach the guide plate, and the gap space formed between the two is used for the waste film guiding and limiting, so as to ensure the surface flatness of the waste film and improve the position accuracy when the lens is peeled off.The assembly mechanism takes out multiple lenses at a time on the above-mentioned stripping support platform, and before driving the multiple lenses for assembly, they first pass over the top of the lower CCD mechanism, and the lower CCD mechanism photographs the lens position while detecting the lens, and throws the defective lenses into the waste box on the side of the lower CCD mechanism. After the qualified lenses are transferred to the top of the material tray on the transmission line by the assembly mechanism, the second CCD component of the assembly mechanism shoots the lens frame in the material tray downward, and the industrial computer controls the assembly mechanism to move and correct the lens position according to the photographed lens position and the lens frame position, and then assembles the multiple lenses in the lens frame synchronously. Through the above-mentioned lens and lens frame position detection and defective product screening and throwing, the lens assembly accuracy and assembly quality are effectively guaranteed, the assembly yield rate is improved, and the function of assembling multiple lenses at a time is realized, thereby improving the assembly efficiency. In addition, the assembly mechanism of the utility model is also provided with a first CCD component, and the first CCD component is used to pre-shoot the lens when taking the lens, so as to assist in detecting the lens quality and improve the assembly yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model.

[0020] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0021] Figure 3 This is the third schematic diagram of the three-dimensional structure of the present utility model.

[0022] Figure 4 This is the fourth schematic diagram of the three-dimensional structure of the present utility model.

[0023] Figure 5 for Figure 3 The enlarged structural diagram at point I in the middle.

[0024] Figure 6 This is one of the three-dimensional structural schematic diagrams of the utility model after the components are hidden.

[0025] Figure 7 for Figure 6 The enlarged structural diagram at II in the middle.

[0026] Figure 8 This is the second schematic diagram of the three-dimensional structure of the utility model after the hidden components.

[0027] Fig. 9 for Figure 8 Enlarged structural diagram at point III in the middle.

[0028] Fig.10 This is one of the three-dimensional structural schematic diagrams of the assembly mechanism of the utility model.

[0029] Fig.11This is the second three-dimensional structural schematic diagram of the assembly mechanism of the utility model.

[0030] Fig.12 This is the third three-dimensional structural schematic diagram of the assembly mechanism of the utility model.

[0031] Fig.13 This is one of the three-dimensional structural schematic diagrams of the assembly head of the utility model.

[0032] Fig.14 This is the second schematic diagram of the three-dimensional structure of the assembly head of the utility model. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figures 1 to 4 As shown, the utility model proposes an automatic lens assembly machine, including a horizontally arranged machine platform 1, and also including a lens feeding mechanism 2, an assembling mechanism 3 and a transmission mechanism, wherein the transmission mechanism is arranged on one side of the machine platform 1, and the transmission mechanism transmits a material tray on the machine platform 1 in a straight direction; the material tray is loaded with lens frames of at least two lenses to be assembled; the lens feeding mechanism 2 is arranged on the other side of the machine platform 1, and guides out the lenses in a direction perpendicular to the transmission mechanism; the assembling mechanism 3 is arranged between the transmission mechanism and the lens feeding mechanism 2, and moves back and forth between the two, and is used for taking out the lenses from the lens feeding mechanism 2 and assembling the lenses into the lens frames loaded in the material tray.

[0037] like Figure 6 As shown, as an embodiment of the utility model, the utility model also includes a waste box 5 and a lower CCD mechanism 4; the waste box 5 and the lower CCD mechanism 4 are arranged on the machine 1 close to the transmission mechanism; the lower CCD mechanism 4 is used to photograph the lenses taken out by the inspection assembly mechanism 3 from bottom to top; the waste box 5 is provided with at least two lens grooves with top openings for placing lenses that fail the inspection.

[0038] like Figures 1 to 4 As shown, as an embodiment of the utility model, the transmission mechanism of the utility model includes a transmission line 6 and a return line 7 arranged in parallel and at intervals; the transmission line 6 is close to the assembly mechanism 3; the transmission line 6 and the return line 7 drive the tensioning roller of the tensioning transmission line to rotate through the motor output shaft and the transmission belt sleeved thereon, and the transmission line is driven to move linearly through the static friction force of the tensioning roller; the material tray is placed on the transmission line and moves with the transmission line.

[0039] like Fig. 9 As shown, as an embodiment of the utility model, a guide plate 8 is provided above the transmission line 6 of the utility model; the guide plate 8 includes two pieces, and the two guide plates 8 are horizontally arranged above the transmission line, which are used to limit the wire tray 0; the left and right sides of the guide plate 8 are respectively provided with blocking components for blocking the flow of the tray 0; the blocking component includes a blocking cylinder 10 and a block 11; the blocking cylinder 10 is vertically arranged, and the output end extends upward; the block 11 is arranged on the output end of the blocking cylinder 10, for blocking the flow of the tray; the side of the blocking cylinder 10 is also provided with a sensor 9 for sensing the tray 0.

[0040] like Figures 1 to 8As shown, as an embodiment of the utility model, the lens feeding mechanism 2 of the utility model comprises a feeding support plate 21, a stacking box 22, a tensioning shaft 23, a PE film take-up wheel 24, a guide plate 25 and a waste take-up wheel 26, wherein the feeding support plate 21 is vertically arranged on the machine table 1; the stacking box 22 is arranged below the outer end of the feeding support plate 21, the top of the stacking box 22 is open, and the material belt a1 for clamping lenses is stacked along a Z-shaped route; the tensioning shaft 23 is arranged at intervals on the upper inner side of the stacking box 22, and is rotatably connected to the side wall of the feeding support plate 21; the PE film take-up wheel 24 and the waste take-up wheel 26 are respectively arranged on the upper and lower sides of the tensioning shaft 23; the guide plate 25 is horizontally arranged below the tensioning shaft 23, and extends horizontally inwardly, the inner end of the guide plate 25 is a stripping plate 29, and the inner side of the stripping plate 29 is spaced apart with a stripping support 210. The bottom layer of the material belt a1 is a waste film a3, and the surface layer is a PE protective film a2; at least two lenses a4 are sandwiched between the waste film a3 and the PE protective film a2; the material belt a1 passes from under the tensioning shaft 23, and the surface PE protective film a2 is connected to the PE film take-up wheel 24. The bottom waste film a3 moves linearly inward along the guide plate 25, and after passing through the gap space between the stripping plate 29 and the stripping support 210, it moves back and is connected to the waste receiving pulley 26. When the waste film a3 drives the lens a4 thereon to pass through the stripping plate 29, the lens a4 is peeled off from the waste film a3 to the stripping support 210. The lens feeding mechanism 2 also includes a material guiding assembly, which includes a material guiding cylinder 27 and a material guiding plate 28, wherein the material guiding cylinder 27 is arranged above the belt guide plate 25, and the output end is arranged downward; the material guiding plate 28 is horizontally connected to the output end of the material guiding cylinder 27, and is driven by the material guiding cylinder 27 to move downward toward the belt guide plate 25, so as to guide the waste film a3 for limited transmission from above.

[0041] like Figures 10 to 12As shown in the figure, as an embodiment of the utility model, the assembly mechanism 3 of the utility model includes an assembly bracket 31, a driving motor 32, a driving screw 33, a driving slide rail 34, an assembly linear module 35 and an assembly head 36, wherein the assembly bracket 31 includes two, the two assembly brackets 31 are arranged on the machine table 1 in parallel and spaced apart, and are located between the lens feeding mechanism 2; the driving slide rail 34 includes two, the two driving slide rails 34 are respectively arranged on the top of the assembly bracket 31; the driving motor 32 is arranged on one side of the assembly bracket 31 , a driving screw 33 is connected to its output end; the assembly linear module 35 is arranged across the two assembly brackets 31, and is slidably connected to the driving slide rails 34 on the two assembly brackets 31, and is threadedly connected to the driving screw 33 through a screw seat. When the driving motor 32 drives the driving screw 33 to rotate, the assembly linear module 35 is driven to move back and forth along the driving slide rail 34 through the screw seat; the assembly linear module 35 outputs power in a direction perpendicular to the driving slide rail 34; the assembly head 36 is connected to the output end of the assembly linear module 35.

[0042] like Figure 13 to Figure 14 As shown, as an embodiment of the utility model, the assembly head 36 of the utility model includes a support 361, a first CCD component 362, a lifting motor 363, a lifting seat 364, an assembly cylinder 365, an assembly seat 366 and an assembly suction rod 367, wherein the support 361 is connected to the output end of the assembly linear module 35; the first CCD component 362 is arranged on a side wall of the support 361, and the shooting lens direction is set downward, for taking pictures of the lens before taking the lens; the lifting motor 363 is vertically arranged on the other side wall of the support 361, and the output end is set downward; the lifting seat 364 is slidably connected to the support 361 in the vertical direction. On the other side wall of the support 361, and connected to the output end of the lifting motor 363 through the screw seat and the screw, and is driven by the lifting motor 363 to move up and down; the assembly cylinder 365 includes at least two, at least two assembly cylinders 365 are arranged at intervals on the side wall of the lifting seat 364, and the output ends are arranged downward; the assembly seat 366 is connected to the output end of the assembly cylinder 365, and is driven by the assembly cylinder 365 to move up and down; the assembly suction rod 367 is vertically arranged on the assembly seat 366, and extends vertically to the bottom of the assembly seat 366, and a vacuum suction hole is provided at the bottom of the assembly suction rod 367 for adsorbing and fixing the lens and assembling the lens into the lens frame. The assembly head 36 also includes a CCD bracket 368 and a second CCD component 369, wherein the CCD bracket 368 is a U-shaped frame structure, one side of the CCD bracket 368 is connected to the side wall of the lifting seat 364, and the other side extends to the outside of the assembly suction rod 367; the second CCD component 369 is arranged on the other side of the CCD bracket 368, and the shooting direction is set downward, for photographing the lens frame before assembly.

[0043] The utility model designs a lens automatic assembly machine that uses a material tray as a carrier to realize batch loading and transmission of lens frames, and realizes material tray circulation supply through material tray transmission and reflux, effectively improving the feeding efficiency and continuous stability of the lens frame; realizes automatic synchronous export and feeding of multiple lenses and automatic material collection and assembly of multiple lenses, effectively improving the assembly efficiency. The utility model belongs to a single-station equipment in the lens automatic assembly production line, and its function is to realize the automatic assembly of lenses into lens frames. In the front-end process of the utility model, the processes of loading and film tearing are completed, and in the back-end process of the utility model, the processes of pressure holding, detection, unloading, etc. after assembly are carried out. Specifically, the utility model adopts a transmission line and a return line arranged in parallel and at intervals as the material tray circulation transmission execution component, and the material tray loaded with the lens frame is transmitted forward in a straight line through the transmission line. When the material tray moves to the assembly mechanism, the material tray is detected by the sensor, and the material tray enters the guide plate arranged above the transmission line, and is guided and limited from above by the guide plate. At the same time, the blocking cylinders located on both sides of the material tray drive the block to move upward to prevent other material trays from continuing to flow in, and the lifting mechanism located below the guide plate provides upward power through the cylinder to drive the support plate to support the lower part of the material tray upward to provide support for the material tray during assembly. At the same time, the lens feeding mechanism arranged on the machine table uses the material belt as the lens carrier. The bottom layer of the material belt is a waste film, and multiple rows of lenses are placed on the waste film. The top of the waste film is a PE protective film. The material belt is stacked in the stacking box of the lens feeding mechanism along a Z-shaped path. After the material belt passes under the tensioning shaft, the PE film above it is wound on the PE film take-up wheel, and the waste film at the bottom thereof carries the lens horizontally through the guide plate, and when passing through the gap space between the stripping plate and the stripping support platform set at the end of the guide plate, the lens on the waste film is stripped off to the stripping support platform through the stripping plate, and the stripped waste film extends back from the bottom of the guide plate. The PE film take-up wheel and the waste film take-up wheel are extended and connected to the waste material take-up wheel. When the PE film take-up wheel and the waste material take-up wheel actively rotate, the material belt is continuously pulled out, and the lens is automatically peeled off on the material stripping support table so that the assembling mechanism can take out the lens, thereby realizing the automatic feeding of the lens and the automatic collection of the PE film and the waste film, effectively improving the lens feeding efficiency and the continuous feeding stability, and reducing the downtime; in addition, the horizontal material guide plate is driven by the material guide cylinder above the guide plate to approach the guide plate, and the gap space formed between the two is used for the waste film guiding and limiting, so as to ensure the surface flatness of the waste film and improve the position accuracy when the lens is peeled off.The assembly mechanism takes out multiple lenses at a time on the above-mentioned stripping support platform, and before driving the multiple lenses for assembly, they first pass over the top of the lower CCD mechanism, and the lower CCD mechanism photographs the lens position while detecting the lens, and throws the defective lenses into the waste box on the side of the lower CCD mechanism. After the qualified lenses are transferred to the top of the material tray on the transmission line by the assembly mechanism, the second CCD component of the assembly mechanism shoots the lens frame in the material tray downward, and the industrial computer controls the assembly mechanism to move and correct the lens position according to the photographed lens position and the lens frame position, and then assembles the multiple lenses in the lens frame synchronously. Through the above-mentioned lens and lens frame position detection and defective product screening and throwing, the lens assembly accuracy and assembly quality are effectively guaranteed, the assembly yield rate is improved, and the function of assembling multiple lenses at a time is realized, thereby improving the assembly efficiency. In addition, the assembly mechanism of the utility model is also provided with a first CCD component, and the first CCD component is used to pre-shoot the lens when taking the lens, so as to assist in detecting the lens quality and improve the assembly yield rate.

[0044] The embodiments of the utility model are only to introduce its specific implementation methods and are not intended to limit its protection scope. The technicians in this industry can make some modifications inspired by the embodiments, so any equivalent changes or modifications made in accordance with the scope of the utility model patent are within the scope of the claims of the utility model patent.

Claims

1. An automatic lens assembly machine, comprising a horizontally arranged machine table (1), characterized in that: It also includes a lens feeding mechanism (2), an assembly mechanism (3) and a transmission mechanism, wherein: The transmission mechanism is arranged on one side of the machine platform (1), and the transmission mechanism transmits a material tray on the machine platform (1) in a straight line direction; the material tray contains at least two lens frames for lenses to be assembled; The lens feeding mechanism (2) is arranged on the other side of the machine platform (1) and guides out the lenses in a direction perpendicular to the transmission mechanism; The assembly mechanism (3) is arranged between the transmission mechanism and the lens feeding mechanism (2) and moves back and forth between the two, and is used to take out the lenses from the lens feeding mechanism (2) and then assemble the lenses into the lens frames loaded in the material tray.

2. The automatic lens assembly machine according to claim 1, characterized in that: It also comprises a waste box (5) and a lower CCD mechanism (4); the waste box (5) and the lower CCD mechanism (4) are arranged on the machine platform (1) at intervals near the transmission mechanism; the lower CCD mechanism (4) is used to photograph the lenses taken out by the inspection assembly mechanism (3) from bottom to top; the waste box (5) is provided with at least two lens slots with top openings for placing lenses that fail the inspection.

3. The automatic lens assembly machine according to claim 1, characterized in that: The transmission mechanism comprises a transmission line (6) and a return line (7) which are arranged in parallel and at intervals; the transmission line (6) is close to the assembly mechanism (3); the transmission line (6) and the return line (7) drive a tensioning roller of the tensioning transmission line to rotate through a motor output shaft and a transmission belt sleeved thereon, and the transmission line is driven to move linearly through the static friction force of the tensioning roller; the material tray is placed on the transmission line and moves with the transmission line.

4. The automatic lens assembly machine according to claim 3, characterized in that: A guide plate (8) is provided above the transmission line (6); the guide plate (8) comprises two guide plates (8), which are horizontally arranged above the transmission line and are used to limit the position of the material tray (0) by the conductor; blocking components are respectively provided on the left and right sides of the guide plate (8) and are used to block the flow of the material tray (0); the blocking component comprises a blocking cylinder (10) and a blocking block (11); the blocking cylinder (10) is vertically arranged, and the output end extends upward; the blocking block (11) is arranged on the output end of the blocking cylinder (10) and is used to block the flow of the material tray; a sensor (9) is also provided on the side of the blocking cylinder (10) and is used to sense the material tray (0).

5. The automatic lens assembly machine according to claim 1, characterized in that: The lens feeding mechanism (2) comprises a feeding support plate (21), a stacking box (22), a tensioning shaft (23), a PE film take-up wheel (24), a tape guide plate (25) and a waste material take-up wheel (26), wherein the feeding support plate (21) is vertically arranged on the machine table (1); the stacking box (22) is arranged below the outer end of the feeding support plate (21), the top of the stacking box (22) is open, and a material belt (a1) for clamping and pressing lenses is stacked in the stacking box along a Z-shaped route; the tensioning shaft (23) is arranged at intervals on the upper inner side of the stacking box (22) and is rotatably connected to the side wall of the feeding support plate (21); the PE film take-up wheel (24) and the waste material take-up wheel (26) are respectively arranged on the upper and lower sides of the tensioning shaft (23); the guide plate (25) is horizontally arranged below the tensioning shaft (23) and extends horizontally inward, the inner end of the guide plate (25) is a stripping plate (29), and a stripping support platform (210) is arranged at intervals on the inner side of the stripping plate (29).

6. The automatic lens assembly machine according to claim 5, characterized in that: The bottom layer of the material belt (a1) is a waste film (a3), and the top layer is a PE protective film (a2); at least two lenses (a4) are sandwiched between the waste film (a3) ​​and the PE protective film (a2); the material belt (a1) passes from under the tensioning shaft (23), and the top layer PE protective film (a2) is connected to the PE film take-up wheel (24); the bottom layer waste film (a3) ​​moves linearly inward along the guide plate (25), passes through the gap between the stripping plate (29) and the stripping support (210), and then moves back to connect to the waste receiving wheel (26); and when the waste film (a3) ​​drives the lens (a4) thereon to pass through the stripping plate (29), the lens (a4) is peeled off from the waste film (a3) ​​to the stripping support (210).

7. The automatic lens assembly machine according to claim 5, characterized in that: The lens feeding mechanism (2) further comprises a material guide assembly, which comprises a material guide cylinder (27) and a material guide plate (28), wherein the material guide cylinder (27) is arranged above the guide plate (25) and the output end is arranged downward; the material guide plate (28) is horizontally connected to the output end of the material guide cylinder (27) and is driven by the material guide cylinder (27) to move downward toward the guide plate (25) so as to guide the waste film (a3) ​​for limited transmission from above.

8. The automatic lens assembly machine according to claim 1, characterized in that: The assembly mechanism (3) comprises an assembly bracket (31), a drive motor (32), a drive screw (33), a drive slide rail (34), an assembly linear module (35) and an assembly head (36), wherein the assembly bracket (31) comprises two, the two assembly brackets (31) are arranged in parallel and spaced apart on the machine platform (1) and are located between the lens feeding mechanism (2); the drive slide rail (34) comprises two, the two drive slide rails (34) are respectively arranged on the top of the assembly bracket (31); the drive motor (32) is arranged on one side of the assembly bracket (31), and its output end is connected to The drive screw (33) is provided above the two assembly brackets (31), and is slidably connected to the drive slide rails (34) on the two assembly brackets (31), and is threadedly connected to the drive screw (33) through a screw seat. When the drive motor (32) drives the drive screw (33) to rotate, the assembly linear module (35) is driven to move back and forth along the drive slide rail (34) through the screw seat; the assembly linear module (35) outputs power in a direction perpendicular to the drive slide rail (34); the assembly head (36) is connected to the output end of the assembly linear module (35).

9. The automatic lens assembly machine according to claim 8, characterized in that: The assembly head (36) comprises a support (361), a first CCD component (362), a lifting motor (363), a lifting seat (364), an assembly cylinder (365), an assembly seat (366) and an assembly suction rod (367), wherein the support (361) is connected to the output end of the assembly linear module (35); the first CCD component (362) is arranged on one side wall of the support (361), and the shooting lens is arranged in a downward direction, and is used to shoot the lens before taking the lens; the lifting motor (363) is vertically arranged on the other side wall of the support (361), and the output end is arranged downward; the lifting seat (364) is slidably connected to the other side wall of the support (361) in a vertical direction. The lifting seat (364) is provided on a side wall and is connected to the output end of the lifting motor (363) through a screw seat and a screw, and is driven by the lifting motor (363) to move up and down; the assembly cylinder (365) comprises at least two, and the at least two assembly cylinders (365) are arranged on the side wall of the lifting seat (364) at intervals, and the output ends are arranged downward; the assembly seat (366) is connected to the output ends of the assembly cylinders (365), and is driven by the assembly cylinders (365) to move up and down; the assembly suction rod (367) is vertically arranged on the assembly seat (366) and vertically extends to the bottom of the assembly seat (366), and a vacuum suction hole is provided at the bottom of the assembly suction rod (367) for adsorbing and fixing the lens and assembling the lens into the lens frame.

10. The automatic lens assembly machine according to claim 9, characterized in that: The assembly head (36) further comprises a CCD bracket (368) and a second CCD component (369), wherein the CCD bracket (368) is a U-shaped frame structure, one side of the CCD bracket (368) is connected to the side wall of the lifting seat (364), and the other side extends to the outside of the assembly suction rod (367); the second CCD component (369) is arranged on the other side of the CCD bracket (368), and the shooting direction is set downward, for shooting the lens frame before assembly.

Images