CN111730324A - Automatic assembling machine for eyepiece assembly - Google Patents

Abstract

The invention discloses an automatic assembly machine of an eyepiece assembly, wherein during operation, an eyepiece barrel conveys and feeds materials through a belt, the eyepiece barrel is assembled on a positioning fixture on a main rotary table through an automatic grabbing mechanism, the main rotary table rotates intermittently under the action of a driving motor and a cam divider, the processes of rubber ring assembly, glue dispensing, first eyepiece assembly, retainer ring assembly, second eyepiece assembly and retainer ring assembly are completed step by step through different automatic feeding mechanisms and automatic assembling mechanisms, finally, the assembled eyepiece assembly is grabbed and separated from the main rotary table through the automatic grabbing mechanism, and the belt conveys and discharges materials, so that the complete process of automatic assembly of the eyepiece assembly is realized, the efficiency of assembly of the eyepiece assembly can be effectively improved, each element only needs to be added continuously in the whole assembly process, the labor intensity of workers can be effectively reduced, and the labor cost is greatly saved. Compared with a pipeline form, the equipment space is greatly reduced.

Description

Automatic assembling machine for eyepiece assembly

Technical Field

The invention belongs to the field of intelligent manufacturing, and particularly relates to an automatic assembling machine for an eyepiece assembly.

Background

The eyepiece unit is the key standardized part of whole gun sight, and traditional eyepiece subassembly assembly mode is taken the manual work as the owner, at first assembles the rubber circle in eyepiece barrel inboard, and the surface rubber coating, then put into eyepiece barrel with first eyepiece piece, retaining ring, second eyepiece piece in proper order, wherein, the second eyepiece piece can be spacing through the inboard step of retaining ring earlier, and it is threaded to the eyepiece barrel (screw thread) to twist the retaining ring at last, and whole process need notice eyepiece piece surface does not have dust and seal stain. The whole assembly process needs manual multiple calibration, the production efficiency is low, and the labor cost is high.

Disclosure of Invention

The invention aims to provide an automatic eyepiece assembly assembling machine which replaces the traditional manual assembling mode with an automatic assembling mode and solves the problems of low efficiency, high cost and poor precision.

The technical solution for realizing the purpose of the invention is as follows: the invention relates to an automatic assembling machine for an eyepiece assembly, which comprises an assembling table base, an eyepiece barrel assembling unit, a rubber ring assembling unit, a glue dispensing unit, a first eyepiece assembly unit, a check ring assembling unit, a second eyepiece assembly unit, a stop ring assembling unit and an eyepiece assembly blanking unit, wherein the eyepiece barrel assembling unit, the rubber ring assembling unit, the glue dispensing unit, the first eyepiece assembly unit, the check ring assembling unit, the second eyepiece assembly unit, the stop ring assembling unit and the eyepiece assembly blanking unit are all fixed on the top surface of the assembling table base, the eyepiece barrel assembling unit, the rubber ring assembling unit, the glue dispensing unit, the first eyepiece assembly unit, the check ring assembling unit, the second eyepiece assembly unit, the stop ring assembling unit and the eyepiece assembly blanking unit are annularly distributed and do not interfere with each other, and compared with a flow line form, the equipment space is greatly reduced, only 0% thereof, the precision of the assembly process can be guaranteed by the cam divider.

Compared with the prior art, the invention has the remarkable advantages that:

(1) introduce automatic assembly technique, original manual work process has been replaced through mechanized equipment, adopt carousel formula assembly table major structure, the design is 12 stations, satisfy the basis of current process, the process surplus has been ensured, it assembles the unit to be annular layout eyepiece barrel on the assembly table base, rubber circle assembly unit, the unit is glued to the point, first eyepiece piece assembly unit, retaining ring assembly unit, second eyepiece piece assembly unit, retaining ring assembly unit, eyepiece group unloading unit, the assembly of an eyepiece subassembly can be accomplished after the main carousel rotates the round.

(2) The rubber ring cartridge clip type feeding mechanism comprises a guide pillar, a lifting ring, a lifting cylinder and a rubber ring feeding base, wherein the lifting cylinder pushes the lifting ring to push the rubber ring away from the guide pillar one by one along the guide pillar, and the guide pillar, the lifting ring and the rubber ring are temporarily hardened at low temperature through liquid nitrogen in groups in advance.

(3) Adopt fitting type rubber circle gripper, with the rubber circle overall dimension fit to a plurality of gas pockets have been designed in the gripper outside, the inside air current diversion is in order to realize the absorption and the release of rubber circle, has reduced the flexible deformation influence.

(4) Adopt retaining ring feed mechanism, through cartridge clip formula material loading mode, the occupation of land space is little, and the material loading is steady, is applicable to the standard component, and the component that falls is hindered to inside adopts the nylon materials, and the lower surface is twice retaining ring height with taking guide arm cylinder upper surface interval, and under the action of gravity, the one by one material loading of retaining ring is realized in the cooperation of two cylinders.

(5) Adopt first eyepiece piece alignment mechanism and second eyepiece piece alignment mechanism, through the carousel formula structure, it realizes the transmission through gear engagement with the assembly machine driving shaft, the alignment carousel is equipped with 12 stations, connect with the driven shaft key, the upper surface is equipped with ring shape pitch arc recess, the inner wall is equipped with the gas pocket, it is dustproof to be used for outwards blowing, first eyepiece piece alignment slide upper surface is equipped with convex recess, second eyepiece piece alignment slide is equipped with the type of falling U track recess, respectively realize bearing of eyepiece piece at the alignment process, rubber material is chooseed for use to first eyepiece piece alignment rubber ring and second eyepiece piece alignment rubber ring, the inboard is equipped with the arc arch, the guarantee only receives the press action, eyepiece piece just can fall and assemble.

(6) The material loading of the baffle ring adopts a vibration disk material loading form, in order to realize the automatic directional sequencing, a cutting edge-shaped structure is arranged on the inner side of the direct vibration guide rail, when the linear groove on the upper surface of the baffle ring is not vertically placed, the baffle ring falls back to the inner side of the circular vibration material disk, and the material loading can be arranged along the direct vibration guide rail only by the baffle ring which is directionally arranged.

(7) During operation, the eyepiece barrel conveys and feeds materials through the belt, the eyepiece barrel is assembled on a positioning fixture on a main rotary table through an automatic grabbing mechanism, the main rotary table rotates intermittently under the action of a driving motor and a cam divider, the processes of rubber ring assembly, glue dispensing, first eyepiece assembly, check ring assembly, second eyepiece assembly and stop ring assembly are gradually completed through different automatic feeding mechanisms and automatic assembling mechanisms, finally, the assembled eyepiece group is grabbed and separated from the main rotary table through the automatic grabbing mechanism, and the belt conveys and discharges materials, so that the complete process of automatic assembly of the eyepiece assembly is realized, the efficiency of the eyepiece assembly can be effectively improved, only various elements need to be added continuously in the whole assembly process, the labor intensity of workers can be effectively reduced, and the labor cost is greatly saved.

Drawings

Fig. 1 is a schematic structural diagram of an automatic eyepiece assembly machine according to the present invention.

Fig. 2 is a schematic structural diagram of the assembly table base of the present invention.

Fig. 3 is a schematic structural diagram of the main turntable of the present invention, wherein fig. (a) is an isometric view of the main turntable, fig. (b) is a top view of the main turntable, and fig. (c) is a bottom view of the main turntable.

Fig. 4 is a schematic structural view of the eyepiece barrel assembly unit of the present invention.

Fig. 5 is a schematic structural view of a rubber ring assembling unit of the present invention.

Fig. 6 is a schematic structural diagram of a fitting type rubber ring gripper of the present invention.

Fig. 7 is a schematic structural diagram of a dispensing unit of the present invention.

Fig. 8 is a schematic structural view of a first eyepiece lens assembling unit of the present invention.

Fig. 9 is a schematic structural view of a second eyepiece lens assembling unit of the present invention.

Fig. 10 is a schematic structural diagram of a first calibration turntable according to the present invention.

Fig. 11 is a schematic structural view of a first eyepiece lens calibration slide and a second eyepiece lens calibration slide of the present invention, wherein fig. (a) is a schematic structural view of the first eyepiece lens calibration slide, and fig. (b) is a schematic structural view of the second eyepiece lens calibration slide.

Fig. 12 is a schematic structural view of a first eyepiece lens calibration rubber ring and a second eyepiece lens calibration rubber ring of the present invention, wherein fig. (a) is a schematic structural view of the first eyepiece lens calibration rubber ring, and fig. (b) is a schematic structural view of the second eyepiece lens calibration rubber ring.

Fig. 13 is a schematic structural view of a retainer ring-assembling unit of the present invention.

Fig. 14 is a schematic structural view of a retainer ring-assembling unit of the present invention.

Fig. 15 is a schematic structural view of the retainer ring guide orientation mechanism of the present invention.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

As shown in fig. 1, the automatic eyepiece assembly assembling machine of the present invention comprises an assembling table base 1, an eyepiece barrel assembling unit 2, a rubber ring assembling unit 3, a glue dispensing unit 4, a first eyepiece lens assembling unit 5, a retainer ring assembling unit 6, a second eyepiece lens assembling unit 7, a retainer ring assembling unit 8, and an eyepiece lens group blanking unit 9, wherein the eyepiece barrel assembling unit 2, the rubber ring assembling unit 3, the glue dispensing unit 4, the first eyepiece lens assembling unit 5, the retainer ring assembling unit 6, the second eyepiece lens assembling unit 7, the retainer ring assembling unit 8, and the eyepiece lens group blanking unit 9 are all fixed on the top surface of the assembling table base 1, the eyepiece barrel assembling unit 2, the rubber ring assembling unit 3, the glue dispensing unit 4, the first eyepiece lens assembling unit 5, the retainer ring assembling unit 6, the second eyepiece lens assembling unit 7, the retainer ring assembling unit 8, and the eyepiece lens group blanking unit 9 are annularly distributed, mutual noninterference, compare in the assembly line form, has reduced equipment space by a wide margin, only for its 50%, can guarantee the precision of assembling process through cam splitter 13.

The eyepiece assembly comprises an eyepiece barrel, a rubber ring, a first eyepiece, a retaining ring, a second eyepiece and a retaining ring, wherein threads on the outer surface of the eyepiece barrel are used for being combined with other parts of the sighting telescope, threads on the inner side of the eyepiece barrel are used for screwing the retaining ring, the rubber ring is easy to generate soft deformation, the first eyepiece is in a double-sided convex shape, the outer surface of the retaining ring is smooth and free of threads, one side of the second eyepiece protrudes outwards and is concave inwards, and the top end of the retaining ring is provided with a straight groove.

The assembling table base 1 serves as a base of the automatic assembling machine and serves as an operation platform of each functional unit, the eyepiece sleeve assembling unit 2 serves as feeding of an eyepiece sleeve, the rubber ring assembling unit 3 assembles a rubber ring into the eyepiece sleeve, the glue dispensing unit 4 is used for dripping glue on the surface of the rubber ring, the first eyepiece lens assembling unit 5 assembles a first eyepiece lens, the check ring assembling unit 6 is used for assembling a check ring, the second eyepiece lens assembling unit 7 is used for assembling a second eyepiece lens, the check ring assembling unit 8 is used for assembling a check ring, and the eyepiece group blanking unit 9 is used for blanking the assembled eyepiece lens assembly, so that the automatic assembling machine at least needs to be provided with 9 stations which correspond to the 9 functional units respectively, and is designed to be 12 stations in consideration of process allowance and structural interference problems.

As shown in fig. 2, the assembly table base 1 includes a base 10, a table top 11, a driving motor 12, a cam splitter 13, a driving shaft 14, a main turntable 15, a first eyepiece barrel holder 16, a second eyepiece barrel holder 17, a third eyepiece barrel holder 18, a fourth eyepiece barrel holder 19, a fifth eyepiece barrel holder 20, a sixth eyepiece barrel holder 21, a seventh eyepiece barrel holder 22, an eighth eyepiece barrel holder 23, a ninth eyepiece barrel holder 24, a tenth eyepiece barrel holder 25, an eleventh eyepiece barrel holder 26, and a twelfth eyepiece barrel holder 27. The base is of a 10 frame structure and can move on the ground to serve as a support frame of the whole assembly machine, the tabletop 11 is fixed on the top surface of the base 10 to serve as an operating platform, the driving motor 12 is fixedly connected in the base 10, the cam divider 13 is fixed in the base 10, and is located above the driving motor 12, the cam divider 13 is connected with the driving motor 12 through a belt, the main rotary table 15 is located above the table top 11, the cam divider 13 is connected with the main rotary table 15 through a driving shaft 14, the main rotary table 15 and the driving shaft 14 are in spline fit, the main rotary table 15 is driven by the driving motor 12 to rotate intermittently, the eyepiece barrel assembly unit 2, the rubber ring assembly unit 3, the dispensing unit 4, the first eyepiece lens assembly unit 5, the retainer ring assembly unit 6, the second eyepiece lens assembly unit 7, the retainer ring assembly unit 8 and the eyepiece lens group blanking unit 9 are all fixed on the tabletop 11.

As shown in fig. 3, the top surface of the main turntable 15 is 12 circular grooves distributed annularly for setting the eyepiece barrel clamp, the bottom surface of the main turntable 15 is provided with a circle of circular rack which is matched with the first eyepiece lens assembly unit 5 and the second eyepiece lens assembly unit 7, the bottom surface is also provided with an arc-shaped groove, and the stress concentration condition of the main turntable is reduced through the auxiliary support of the support plate, so that the received load is decomposed, and the structural stability is guaranteed.

The first eyepiece barrel clamp 16, the second eyepiece barrel clamp 17, the third eyepiece barrel clamp 18, the fourth eyepiece barrel clamp 19, the fifth eyepiece barrel clamp 20, the sixth eyepiece barrel clamp 21, the seventh eyepiece barrel clamp 22, the eighth eyepiece barrel clamp 23, the ninth eyepiece barrel clamp 24, the tenth eyepiece barrel clamp 25, the eleventh eyepiece barrel clamp 26 and the twelfth eyepiece barrel clamp 27 are annularly distributed on the top surface of the desktop 11, and function as fixing clamps of the eyepiece barrels.

As shown in fig. 4, the eyepiece barrel assembly unit 2 includes a belt feeding mechanism 28 and an automatic grabbing mechanism 29, the eyepiece barrel is transported by the belt feeding mechanism 28, and the automatic grabbing mechanism 29 grabs the eyepiece barrel on the belt feeding mechanism 28 downwards and places the eyepiece barrel into the first eyepiece barrel holder 16.

The belt feeding mechanism 28 comprises a belt driving motor 30, a belt 31, a section bar support 32, a material bearing plate 33 and a bottom plate 34, wherein the section bar support 32 is of a frame structure and is fixedly assembled on the top surface of the bottom plate 34, the belt driving motor 30 is fixed on the bottom plate 34, the belt 31 is fixed on the top surface of the section bar support 32, the material bearing plate 33 is positioned on the top surface of the section bar support 33 and is positioned at the tail end of the belt 31, the belt 31 conveys the eyepiece barrels to the top surface of the material bearing plate 33 under the driving of the driving motor 30, the belt feeding mechanism 28 has the advantages of buffering, vibration absorption and stable transportation, the size of the eyepiece barrels is considered to be small, a miniature belt conveying device is selected, and compared with other feeding methods, the abrasion of the outer surface of the eyepiece. (ii) a

The automatic grabbing mechanism 29 is a two-axis rectangular coordinate manipulator which is fixedly connected to the top surface of the tabletop 11, grabs the eyepiece barrel on the material bearing plate 33 downwards, puts the eyepiece barrel into the first eyepiece barrel clamp 16, realizes transmission through a ball screw, and ensures position accuracy in the moving process through detailed calculation, analysis and model selection by taking a servo motor as a driving mechanism.

As shown in fig. 5, the rubber ring assembling unit 3 includes a rubber ring cartridge-type feeding mechanism 35 and a suction-type assembling mechanism 36, and is fixed on the tabletop 11, the rubber rings are fed one by the rubber ring cartridge-type feeding mechanism 35, and the suction-type assembling mechanism 36 drops the rubber rings into the second eyepiece barrel holder 17.

The rubber ring clip type feeding mechanism 35 comprises a guide post 37, a lifting ring 38, a lifting cylinder 39 and a rubber ring feeding base 40, wherein the lifting ring 38 is fixed at the piston end of the lifting cylinder 39, a plurality of rubber rings are sleeved on the guide post 37, the guide post 37 is positioned on the lifting ring 38, the rubber rings are positioned on the lifting ring 38, the lifting cylinder 39 pushes the lifting ring 38 to push the rubber rings away from the guide post one by one along the guide post 37, and the guide post 37, the lifting ring 38 and the rubber rings are temporarily hardened in a low-temperature environment by using liquid nitrogen in groups before being assembled.

The suction type assembling mechanism 36 adopts a two-axis rectangular coordinate mechanical hand, the claw part of the mechanical hand adopts a fitting type rubber ring mechanical claw 41, and the suction and the assembly of the rubber ring are realized by changing the airflow direction in the outer side air hole.

As shown in fig. 6, the fitting type rubber ring gripper 41 is fitted with the inner diameter of the rubber ring, is designed into a circular ring shape, is provided with a truncated cone-shaped recess inside, can be matched with the truncated cone-shaped design at the upper end of the guide pillar 37, is provided with a plurality of air holes outside the gripper, and forms a vacuum degree by the suction flow of a vacuum generator arranged in the two-axis rectangular coordinate manipulator, so that the air pressure inside the air holes is changed, the suction and release of the rubber ring are realized, and the influence of flexible deformation is reduced.

As shown in fig. 7, the dispensing unit 4 adopts a partial structure of a three-axis rectangular coordinate type dispenser, and includes a dispensing device 42, a lifting mechanism 43 and a transverse moving mechanism 44, the dispensing device 42 is slidably connected to a front end surface of the lifting mechanism 43, the lifting mechanism 43 is connected to the transverse moving mechanism 44 through a guide rail slider, the dispensing device 42 is used for storing and releasing a glue solution, and the lifting mechanism 43 and the transverse moving mechanism 44 are used for positioning the dispensing device 42.

As shown in fig. 8, the first eyepiece lens assembling unit 5 includes a first eyepiece lens feeding mechanism 45, a first eyepiece lens calibration mechanism 46 and a first pressing type assembling mechanism 47, which are all fixed on the tabletop 11, the first eyepiece lens feeding mechanism 45 is used for realizing feeding of the first eyepiece lens, the first eyepiece lens calibration mechanism 46 is used for realizing calibration of the first eyepiece lens, and the first pressing type assembling mechanism 47 is used for press-mounting the first eyepiece lens in the eyepiece barrel.

First eyepiece piece feed mechanism 45 includes first eyepiece piece container 48, first container anchor clamps 49 and first eyepiece piece feed base 50, first eyepiece piece feed base 50 is fixed in on desktop 11, passes through bolted connection with first container anchor clamps 49 and fixes, first eyepiece piece container 48 is located first container anchor clamps 49, store a plurality of first eyepiece pieces in the first eyepiece piece container 48, be fixed in first eyepiece piece alignment mechanism 46 top by first container anchor clamps 49, realize the material loading.

The first eyepiece lens calibration mechanism 46 comprises a first calibration turntable 51, a first calibration slide way 52, first calibration rubber rings 53-64, a first driven shaft 65, a first eyepiece lens fixing base 66 and a first driven gear 67, wherein the first calibration turntable 51 is in key connection with the first driven shaft 65, the first driven shaft 65 is in interference fit with the first driven gear 67, transmission is realized through rack engagement of the first driven gear 67 and the bottom of the main turntable 15, the first driven shaft 65 penetrates through the tabletop 11 and is fixedly connected with the first eyepiece lens fixing base 66, the first eyepiece lens fixing base 66 is fixed below the tabletop 11, the top surface of the first calibration turntable 51 is provided with circular grooves and 12 circular holes, the circular holes are annularly and uniformly distributed at the bottoms of the circular grooves, the first calibration slide way 52 is made of rubber material and is installed in the circular grooves, and is provided with circular arc-shaped grooves on the top surface, the first calibration rubber rings 53-64 are distributed in 12 circular holes in an annular mode, rubber materials are selected, arc-shaped protrusions are arranged on the inner sides of the first calibration rubber rings, the top surfaces of the first calibration rubber rings are arc-shaped concave shapes, air holes are formed in the inner walls of circular grooves in the top surfaces of the first calibration rotating discs 51 and used for outward air blowing and dust prevention, the first calibration rotating discs 51 and the first calibration slide ways 52-64 are bearing mechanisms in the calibration process of the first eyepiece lenses, the first calibration rotating discs 51 rotate along with the first driven shafts 65, and the first eyepiece lenses fed by the first eyepiece lens feeding mechanism 45 are continuously transported to the position right above the fourth eyepiece barrel clamp 19.

The driving and positioning structure of the first press type assembling mechanism 47 adopts a single rectangular coordinate manipulator fixed on the upper side of the tabletop 11, and has the function of assembling a first eyepiece piece, the claw part of the manipulator adopts a first long guide rod type vacuum chuck 97, and the length of the long guide rod type vacuum chuck 97 is on the premise that the long guide rod type vacuum chuck does not interfere with the calibration turntable 51 and the driven gear 56.

As shown in fig. 9, the second eyepiece lens assembling unit 7 includes a second eyepiece lens feeding mechanism 75, a second eyepiece lens calibration mechanism 76 and a second pressing type assembling mechanism 98, which are all fixed on the tabletop 11, the second eyepiece lens feeding mechanism 75 is used for realizing feeding of a second eyepiece lens, the second eyepiece lens calibration mechanism 76 is used for realizing calibration of a first eyepiece lens, the second pressing type assembling mechanism 98 is used for press-mounting a second eyepiece lens in an eyepiece barrel, and the structure is the same as that of the first pressing type assembling mechanism 47.

Second eyepiece piece feed mechanism 75 includes second eyepiece piece container 77, second container anchor clamps 78 and second eyepiece piece feed base 79, second eyepiece piece feed base 79 is fixed in on desktop 11, passes through bolted connection with second container anchor clamps 78 fixedly, second eyepiece piece container 77 is located second container anchor clamps 78, store a plurality of second eyepiece pieces in second eyepiece piece container 77, be fixed in second eyepiece piece alignment mechanism 76 top by second container anchor clamps 78, realize the material loading.

The second eyepiece lens calibration mechanism 76 comprises a second calibration turntable 100, a second calibration slide way 80, second calibration rubber rings 81-92, a second driven shaft 101, a second eyepiece lens fixing base 102 and a second driven gear 103, wherein the second calibration turntable 100 is connected with the second driven shaft 101 through a key, the second driven shaft 101 is in interference fit with the second driven gear 103 and is meshed with a rack at the bottom of the main turntable 15 through the second driven gear 103 to realize transmission, the second driven shaft 101 passes through the table top 11 and is fixedly connected with the second eyepiece lens fixing base 102, the second eyepiece lens fixing base 102 is fixed below the table top 11, the top surface of the second calibration turntable 100 is provided with circular grooves and 12 circular holes, the circular holes are annularly and uniformly distributed at the bottoms of the circular grooves, the second calibration slide way 80 is made of rubber and is installed in the circular grooves, and the top surface is provided with inverted U-shaped grooves, the second calibration rubber ring 81-92 is annularly distributed in 12 round holes, is made of rubber, is provided with an arc-shaped protrusion on the inner side, is in an arc-shaped concave shape on the top surface, is different from the first calibration rubber ring 53-64 in radian and aperture, is provided with an air hole on the inner wall of a circular groove on the top surface of the second calibration turntable 100 for outward air blowing and dust prevention, the second calibration turntable 100 and the second calibration slide way 81-92 are bearing mechanisms in the calibration process of the second eyepiece lens, the second calibration turntable 100 rotates along with the second driven shaft 101, and the second eyepiece lens loaded by the second eyepiece lens loading mechanism 75 is continuously transported to the position right above the seventh eyepiece barrel clamp 22.

The driving and positioning structure of the second pressing type assembling mechanism 98 adopts a single right-angle coordinate mechanical arm which is fixed on the upper side of the table top 11 and has the function of assembling a second eyepiece, the claw part of the mechanical arm adopts a second long guide rod type vacuum sucker 104, the length and the size of the guide rod are designed on the premise that the guide rod does not interfere with the second calibration turntable 100 and the second driven gear 103, the vacuum sucker and the vacuum generator are arranged in the single right-angle coordinate mechanical arm, the technology is mature, the design of the automatic lens blank tray loader and the use of related technology introduced in the text are realized, and the grabbing and assembling of the lenses can be realized by utilizing the change of air pressure.

Traditional manual assembly mode, need be at the alcohol for the assembling process, clean cloth, the workman has worn gloves in order to guarantee dustproof antifouling of assembling process, and articulated manipulator structural style is complicated, and the requirement is higher to control system, has consequently designed first eyepiece lens calibration mechanism 46 and second eyepiece lens calibration mechanism 76, have reduced assembly devices's the degree of difficulty, the eyepiece barrel anchor clamps through annular distribution on main carousel 15 coincide with the round hole axle center on 2 calibration turntables 51 respectively, realize the calibration before the eyepiece lens assembly, the precision of eyepiece lens assembly has been improved, assembly devices is as long as ensure the displacement requirement of vertical direction, can ensure the assembly of eyepiece lens.

As shown in fig. 10, the inner wall of the circular arc groove of the first calibration turntable 51 is provided with air holes, air flow provided by air source equipment is blown outwards, surface dust can be removed in the calibration process of the eyepiece lens, the installation of a hairbrush is utilized, dust and dirt prevention is further guaranteed, and the second calibration turntable 101 and the first calibration turntable 51 are identical in structure and function.

As shown in fig. 11, the upper surface of the first calibration slide 52 is provided with a circular arc-shaped groove, and the second calibration slide 80 is provided with an inverted U-shaped groove, which are made of rubber, so that the wear degree of the first eyepiece sheet and the second eyepiece sheet is reduced in the calibration process after the first eyepiece sheet and the second eyepiece sheet are loaded.

As shown in fig. 12, the first calibration rubber rings 53 to 64 and the second calibration rubber rings 81 to 92 are made of rubber, the inner sides of the first calibration rubber rings and the second calibration rubber rings are provided with arc-shaped protrusions, the top surfaces of the first calibration rubber rings and the second calibration rubber rings are arc-shaped and concave, but the design sizes and the apertures of the first calibration rubber rings and the second calibration rubber rings are different, so that the first eyepiece and the second eyepiece can be embedded into the calibration rubber rings during calibration respectively, but cannot fall down under the action of gravity, and the assembly can be realized only under the pressing action of the first pressing type assembling mechanism 47 and the second pressing type assembling mechanism.

As shown in fig. 13, the retainer ring assembling unit 6 includes a retainer ring feeding mechanism 68 and a clamping type assembling mechanism 69, both of which are fixed on the table top 11, the retainer ring feeding mechanism 68 functions to realize the feeding of the retainer ring, the clamping type assembling mechanism 69 functions to realize the clamping and assembling of the retainer ring, and the feeding position of the retainer ring feeding mechanism 68 is within the gripper range of the clamping type assembling mechanism 69.

The retainer ring feeding mechanism 61 comprises a retainer ring container 70, a fall-stopping element 71, a fall-stopping cylinder 72, a cylinder with a guide rod 73 and a retainer ring feeding base 74, the retainer ring feeding base 74 is fixed on the table top 11, a plurality of retainer rings are stored in the retainer ring container 70, the fall-stopping cylinder 72 is transversely fixed on the retainer ring feeding base 74, the fall-stopping element 71 is fixed at the piston end of the fall-stopping cylinder 72 and can stretch horizontally, the cylinder with the guide rod 73 is vertically fixed on the retainer ring feeding base 74, the piston end can stop the bottom surface of the retainer ring container 70, the fall-stopping element 71 is made of nylon material, the friction coefficient of the surface facing the retainer rings is increased, the distance between the bottom surface and the top surface of the cylinder with the guide rod 73 is twice the height of the retainer rings, the fall-stopping cylinder 72 and the fall-stopping element 71 have the function of limiting the falling of the retainer rings under the action of gravity, the cylinder with the guide rod 73 has, the feeding is stable, the noise is small, the check ring is smooth and regular in appearance, and the requirement of cartridge clip type feeding is met due to the fact that the check ring is of a standard cylindrical structure.

The clamping type assembling mechanism 62 adopts a clamping manipulator and has the function of grabbing and assembling the check ring.

As shown in fig. 14, the retainer ring assembling unit 8 includes a vibration plate 93 and an automatic tightening mechanism 94, and is fixed on the upper side of the table top 11, the vibration plate 93 is a mature technology product and functions to realize the directional sequencing and feeding of the retainer rings, and the automatic tightening mechanism 94 is a partial structure of an automatic tightening machine and functions to realize the tightening and assembling of the retainer rings at the position of the ninth-eye lens barrel holder 24.

As shown in fig. 15, the vibrating tray 93 is suitable for feeding the baffle ring, a knife-edge-shaped structure is arranged inside the straight vibrating guide rail 96 of the vibrating tray 93, the baffle ring is automatically oriented by utilizing the characteristic that the top of the baffle ring is provided with a straight groove, and the baffle ring with the straight groove not along the direction of the guide rail falls back into the vibrating tray 93 for reorientation.

As shown in fig. 16, the eyepiece group blanking unit 9 includes a belt blanking mechanism 95 and an automatic grabbing mechanism 29, the automatic grabbing mechanism 29 is used for grabbing an eyepiece group on the tenth eyepiece barrel fixture 25 and blanking to the belt blanking mechanism 95, the belt blanking mechanism 95 is used for blanking the eyepiece group, the belt blanking mechanism 95 and the belt feeding mechanism 28 are identical in structure and position relationship, and the difference is that the belt transmission direction is opposite.

During operation, the eyepiece barrel conveys and feeds materials through the belt, the eyepiece barrel is assembled on a positioning fixture on a main rotary table through an automatic grabbing mechanism, the main rotary table rotates intermittently under the action of a driving motor and a cam divider, the processes of rubber ring assembly, glue dispensing, first eyepiece assembly, check ring assembly, second eyepiece assembly and stop ring assembly are gradually completed through different automatic feeding mechanisms and automatic assembling mechanisms, finally, the assembled eyepiece group is grabbed and separated from the main rotary table through the automatic grabbing mechanism, and the belt conveys and discharges materials, so that the complete process of automatic assembly of the eyepiece assembly is realized, the efficiency of the eyepiece assembly can be effectively improved, only various elements need to be added continuously in the whole assembly process, the labor intensity of workers can be effectively reduced, and the labor cost is greatly saved.

Compared with the traditional manual assembly, the automatic assembly machine for the eyepiece components realizes the full-automatic assembly of the eyepiece components, has good effect, is expected to reduce half the number of operators, has the average working procedure beat of 1.5s, can produce 160/hour, and has the equipment space of 8.82mm³The cost of labor has greatly been practiced thrift, has improved production efficiency, and eyepiece piece calibration mechanism's design has reduced the complexity and the degree of difficulty of eyepiece assembly, has ensured eyepiece piece's installation accuracy and dustproof antifouling demand simultaneously, makes automatic assembly precision high, and is effectual.

Claims (10)

1. An automatic assembling machine for an eyepiece assembly comprises an eyepiece barrel, a rubber ring, a first eyepiece, a retainer ring, a second eyepiece and a retainer ring; the method is characterized in that: the automatic assembling machine comprises a machine frame,

the assembly table base (1) is used as a base and an operation platform of the automatic assembly machine;

the eyepiece barrel assembly unit (2) is used for feeding the eyepiece barrel;

a rubber ring assembling unit (3) for assembling the rubber ring in the eyepiece barrel;

a glue dispensing unit (4) for dispensing glue on the surface of the rubber ring,

a first eyepiece lens assembling unit (5) for assembling a first eyepiece lens;

a retainer ring assembling unit (6) for assembling the retainer ring;

a second eyepiece lens fitting unit (7) that fits a second eyepiece lens;

a retainer ring assembling unit (8) for assembling the retainer ring;

the eyepiece group blanking unit (9) is used for assembling blanking of a eyepiece component;

the assembling table comprises an eyepiece barrel assembling unit (2), a rubber ring assembling unit (3), a glue dispensing unit (4), a first eyepiece lens assembling unit (5), a check ring assembling unit (6), a second eyepiece lens assembling unit (7), a stop ring assembling unit (8) and an eyepiece lens group blanking unit (9), wherein the eyepiece barrel assembling unit (2), the rubber ring assembling unit (3), the glue dispensing unit (4), the first eyepiece lens assembling unit (5), the check ring assembling unit (6), the second eyepiece lens assembling unit (7), the stop ring assembling unit (8) and the eyepiece lens group blanking unit (9) are distributed in an annular shape and are not interfered with each other.

2. The automatic eyepiece assembly assembling machine according to claim 1, wherein: the assembling table base (1) comprises a base (10), a table top (11), a driving motor (12), a cam divider (13), a driving shaft (14), a main rotating disc (15), a first eyepiece barrel clamp (16), a second eyepiece barrel clamp (17), a third eyepiece barrel clamp (18), a fourth eyepiece barrel clamp (19), a fifth eyepiece barrel clamp (20), a sixth eyepiece barrel clamp (21), a seventh eyepiece barrel clamp (22), an eighth eyepiece barrel clamp (23), a ninth eyepiece barrel clamp (24), a tenth eyepiece barrel clamp (25), an eleventh eyepiece barrel clamp (26) and a twelfth eyepiece barrel clamp (27);

the base (10) is of a frame structure and can move on the ground as a support frame of the whole assembly machine, the table top (11) is fixed on the top surface of the base (10) and serves as an operation platform, the driving motor (12) and the cam divider (13) are fixedly connected in the base (10), the cam divider (13) is positioned above the driving motor (12), the cam divider (13) is connected with the driving motor (12) through a belt, the main rotary table (15) is positioned above the table top (11), the cam divider (13) is connected with the main rotary table (15) through a driving shaft (14), the main rotary table (15) is in spline fit with the driving shaft (14), the main rotary table (15) is driven by the driving motor (12) to realize intermittent rotation, 12 circular grooves are distributed on the top surface of the main rotary table (15) in an annular shape and used for arranging eye lens barrel clamps (16-27), a circle of circular rack is arranged on the bottom surface of the, the circular rack is matched with the first eyepiece lens assembly unit (5) and the second eyepiece lens assembly unit (7);

the eyepiece sleeve assembling unit (2), the rubber ring assembling unit (3), the dispensing unit (4), the first eyepiece lens assembling unit (5), the check ring assembling unit (6), the second eyepiece lens assembling unit (7), the check ring assembling unit (8) and the eyepiece lens group blanking unit (9) are all fixed on the desktop (11).

3. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the eyepiece sleeve assembling unit (2) comprises a belt feeding mechanism (28) and an automatic grabbing mechanism (29), wherein the belt feeding mechanism (28) is used for conveying the eyepiece sleeve, and the automatic grabbing mechanism (29) grabs the eyepiece sleeve on the belt feeding mechanism (28) downwards and puts the eyepiece sleeve into a first eyepiece sleeve clamp (16);

the belt feeding mechanism (28) comprises a belt driving motor (30), a belt (31), a section bar support (32), a material bearing plate (33) and a bottom plate (34), the section bar support (32) is of a frame structure and is fixedly assembled on the top surface of the bottom plate (34), the belt driving motor (30) is fixed on the bottom plate (34), the belt (31) and the material bearing plate (33) are both arranged on the top surface of the section bar support (32), the material bearing plate (33) is located at the tail end of the belt (31), and the belt (31) is driven by the driving motor (30) to convey an eyepiece barrel onto the material bearing plate (33);

the automatic grabbing mechanism (29) is a two-axis rectangular coordinate manipulator which is fixedly connected to the top surface of the desktop (11), the manipulator is located above the material bearing plate (33), and the eyepiece sleeve on the material bearing plate (33) is grabbed downwards and placed in the first eyepiece sleeve clamp (16).

4. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the rubber ring assembling unit (3) comprises a rubber ring cartridge clip type feeding mechanism (35) and a suction type assembling mechanism (36), the rubber ring cartridge clip type feeding mechanism (35) and the suction type assembling mechanism (36) are fixed on the desktop (11), rubber rings are fed one by one through the rubber ring cartridge clip type feeding mechanism (35), and the suction type assembling mechanism (36) puts the rubber rings into the second eye lens barrel clamp (17);

the rubber ring clip type feeding mechanism (35) comprises a guide post (37), a lifting ring (38), a lifting cylinder (39) and a rubber ring feeding base (40), wherein the lifting ring (38) is fixedly connected to the piston end of the lifting cylinder (39), a plurality of rubber rings are sleeved on the guide post (37), the guide post (37) is positioned on the top surface of the lifting ring (38), the rubber ring at the bottommost layer is positioned on the lifting ring (38), and the lifting cylinder (39) pushes the lifting ring (38) to push the rubber rings away from the guide post (37) one by one along the guide post (37);

the suction type assembling mechanism (36) adopts a two-axis rectangular coordinate mechanical hand, the claw part of the mechanical hand adopts a fitting type rubber ring mechanical claw (41), the fitting type rubber ring mechanical claw (41) is positioned right above the rubber ring, and the suction and the assembly of the rubber ring are realized by changing the airflow direction inside the outer side air hole.

5. The automatic eyepiece assembly assembling machine according to claim 1, wherein: the glue dispensing unit (4) adopts a three-axis rectangular coordinate type glue dispenser, and comprises a glue dispensing device (42), an elevating mechanism (43) and a transverse moving mechanism (44), wherein the front end face of the glue dispensing device (42) is in sliding connection with the elevating mechanism (43), the elevating mechanism (43) is connected with the transverse moving mechanism (44) through a guide rail sliding block, the glue dispensing device (42) is used for realizing the storage and release of glue liquid, and the elevating mechanism (43) and the transverse moving mechanism (44) are used for realizing the positioning of the glue dispensing device (42).

6. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the first eyepiece lens assembling unit (5) comprises a first eyepiece lens feeding mechanism (45), a first eyepiece lens calibrating mechanism (46) and a first pressing type assembling mechanism (47), the first eyepiece lens feeding mechanism (45), the first eyepiece lens calibrating mechanism (46) and the first pressing type assembling mechanism (47) are fixed on the desktop (11), the first eyepiece lens calibrating mechanism (46) is located between the first eyepiece lens feeding mechanism (45) and the first pressing type assembling mechanism (47), the first eyepiece lens feeding mechanism (45) is used for feeding a first eyepiece lens, the first eyepiece lens calibrating mechanism (46) realizes calibration of the first eyepiece lens, and the first eyepiece lens is downwards installed in an eyepiece barrel through the first pressing type assembling mechanism (47);

the first eyepiece sheet feeding mechanism (45) comprises a first eyepiece sheet container (48), a first container clamp (49) and a first eyepiece sheet feeding base (50), the first eyepiece sheet feeding base (50) is fixed on the desktop (11), the first container clamp (49) is fixedly connected to the first eyepiece sheet feeding base (50), the first eyepiece sheet container (48) is located in the first container clamp (49), a plurality of first eyepiece sheets are stored in the first eyepiece sheet container (48), and the first eyepiece sheet feeding mechanism is fixed above the first eyepiece sheet calibrating mechanism (46) by the first container clamp (49) to realize feeding;

the first eyepiece lens calibration mechanism (46) comprises a first calibration turntable (51), a first calibration slide way (52), first calibration rubber rings (53-64), a first driven shaft (65), a first eyepiece lens fixing base (66) and a first driven gear (67), wherein the upper end of the first calibration turntable (51) is in key connection with the first driven shaft (65), the lower end of the first driven shaft (65) is in interference fit with the first driven gear (67), transmission is realized by the engagement of the first driven gear (67) and a circular rack on the bottom surface of the main turntable (15), the first driven shaft (65) penetrates through the tabletop (11) and is fixedly connected with the first eyepiece lens fixing base (66), the first eyepiece lens fixing base (66) is fixed below the tabletop (11), the top surface of the first calibration turntable (51) is provided with a circular groove and 12 circular holes, the circular holes are annularly and uniformly distributed at the bottom of the circular groove, the first calibration slide way (52) is arranged in the circular groove, the top surface of the first calibration slide way (52) is provided with a circular arc groove, and the first calibration rubber rings (53-64) are annularly distributed in the 12 circular holes; the inner sides of the first calibration rubber rings (53-64) are provided with arc-shaped bulges, the top surfaces of the first calibration rubber rings (53-64) are arc-shaped and concave, the inner walls of circular grooves on the top surfaces of the first calibration rotating discs (51) are provided with air holes for outward air blowing and dust prevention, the first calibration rotating discs (51) and the first calibration slide ways (52) are bearing mechanisms in the calibration process of the first eyepiece lenses, the first calibration rotating discs (51) rotate along with a first driven shaft (65), and the first eyepiece lenses loaded by the first eyepiece lens assembly units (5) are continuously transported to the position right above the fourth eyepiece barrel clamp (19);

the driving and positioning structure of the first pressing type assembling mechanism (47) adopts a single-right-angle coordinate mechanical arm which is fixed on a desktop (11) and is used for assembling the first eyepiece piece, the claw part of the mechanical arm adopts a first long guide rod type vacuum sucker (97), and the designed length of the guide rod does not interfere with the first calibration turntable (51) and the first driven gear (56).

7. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the check ring assembling unit (6) comprises a check ring feeding mechanism (68) and a clamping type assembling mechanism (69), the check ring feeding mechanism (68) and the clamping type assembling mechanism (69) are fixed on the table top (11), the check ring feeding mechanism (68) realizes the check ring feeding, and the clamping type assembling mechanism (69) realizes the clamping and assembling of the check ring;

the check ring feeding mechanism (68) comprises a check ring container (70), a drop-stopping element (71), a drop-stopping cylinder (72), a cylinder with a guide rod (73) and a check ring feeding base (74), wherein the check ring feeding base (74) is fixed on the tabletop (11), a plurality of check rings are stored in the check ring container (70), the drop-stopping cylinder (72) is transversely fixed on the check ring feeding base (74), the drop-stopping element (71) is fixed at the piston end of the drop-stopping cylinder (72) and can stretch out and draw back along the horizontal direction, the cylinder with the guide rod (73) is vertically fixed on the check ring feeding base (74), the piston end of the cylinder with the guide rod (73) can stop the bottom surface of the check ring container (70), the distance between the bottom surface of the drop-stopping element (71) and the top surface of the cylinder with the guide rod (73) is twice the height of the check ring, and the drop-stopping cylinder (72) and the drop-, the guide rod cylinder (73) can catch one check ring and fall down at a time;

the clamping type assembling mechanism (69) adopts a clamping manipulator to realize the grabbing and assembling of the check ring.

8. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the second eyepiece lens assembling unit (7) is the same as the first eyepiece lens assembling unit (5) in structure and comprises a second eyepiece lens feeding mechanism (75), a second eyepiece lens calibrating mechanism (76) and a second pressing type assembling mechanism (98);

however, because the first eyepiece lens and the second eyepiece lens are different in overall dimension, the top surface of the first calibration slide way (52) is provided with a circular arc-shaped groove, and the top surface of the second calibration slide way (80) is provided with an inverted U-shaped groove.

9. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the baffle ring assembling unit (8) comprises a vibration disc (93) and an automatic screwing mechanism (94) which are fixed on the table top (11), the vibration disc (93) is used for realizing the directional sequencing and feeding of the baffle rings, and the automatic screwing mechanism (94) is used for realizing the screwing assembly of the baffle rings at the position of the ninth-eye lens cone clamp (24).

10. The automatic eyepiece assembly assembling machine according to claim 2, wherein: the eyepiece group blanking unit (9) comprises a belt blanking mechanism (95) and a blanking automatic grabbing mechanism (99), the blanking automatic grabbing mechanism (99) is used for grabbing an eyepiece group on the tenth eyepiece barrel clamp (25), blanking is carried out to the belt blanking mechanism (95), and the belt blanking mechanism (95) blanks the eyepiece group;

the belt blanking mechanism (95) and the belt feeding mechanism (28) are identical in structure, and the difference is that the belt transmission direction is opposite, and the blanking automatic grabbing mechanism (99) and the automatic grabbing mechanism (29) are identical in structure.

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