CN211335095U

CN211335095U - Pad printing machine

Info

Publication number: CN211335095U
Application number: CN201921685843.4U
Authority: CN
Inventors: 张虎; 吴春山
Original assignee: Lens Intelligent Robot Changsha Co Ltd
Current assignee: Lens Intelligent Robot Changsha Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-08-25
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a pad printing machine, include: a support frame provided with a left pad printing head and a right pad printing head; the alignment platform is arranged on the support frame and is used for aligning the printing piece with the left pad printing head and the right pad printing head; the positioning platform is used for positioning the printing piece; the rotary platform is fixed on the aligning platform and used for driving the printing piece to rotate towards the left side and the right side, the rotary platform comprises a supporting seat and a left-right rotary driver, the positioning platform is rotatably connected onto the supporting seat, the left-right rotary driver is used for driving the positioning platform to rotate, and the rotating shaft of the positioning platform is along the horizontal direction. By adopting the pad printing machine, accurate positioning of a printing piece in the horizontal and vertical directions is realized through the positioning platform. And then the rotary platform drives the positioning platform to deflect a specified angle towards the left side or the right side so as to be matched with the left transfer printing head or the right transfer printing head to transfer printing of the left side part or the right side part, and further effective transfer printing of a printing piece can be realized.

Description

Pad printing machine

Technical Field

The utility model relates to a bat printing technical field, more specifically say, relate to a glasses bat printing machine.

Background

The pad printing machine is an ink printing device, is suitable for plastic cement, toys, glass, metal, ceramics, electronics, IC seal and the like, and is a main device for printing and decorating the surfaces of various objects at present.

In pad printing, ink is first sprayed onto the etched plate and the excess ink is then scraped off, and the solvent remaining in the ink in the etched area evaporates and forms a gelatinous surface. The rubber head is then lowered onto the etched plate to suck up the ink. And finally, transferring most of the ink to an object to be printed through the rubber head.

Because the existing pad printing machine generally aims at flat objects to be printed, and for glasses, particularly 3D glasses, the left and right lenses need to be respectively pad printed, the pad printing machine only provided with a single pad printing head is difficult to meet the pad printing requirements of the left and right lenses.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a pad printing machine for glasses, which has a structural design capable of effectively solving the problem that the traditional pad printing machine cannot realize pad printing of printed objects, such as glasses, especially 3D glasses, which need to be separately pad printed on left and right halves.

In order to achieve the above object, the utility model provides a following technical scheme:

a pad printing machine, comprising:

the support frame is provided with a left pad printing head for pad printing the left part of the printing piece and a right pad printing head for pad printing the right part of the printing piece;

the alignment platform is arranged on the support frame and is used for aligning the printing piece with the left pad printing head and the right pad printing head;

the positioning platform is used for positioning the printing piece;

rotating platform is fixed in on the platform of counterpointing for drive the printing part is rotatory to the left and right sides, including supporting seat and left right rotation driver, positioning platform rotate connect in on the supporting seat, left right rotation driver is used for the drive positioning platform rotates, positioning platform's axis of rotation is along the horizontal direction.

Preferably, in the pad printing machine, the left pad printing head and the right pad printing head are respectively installed on the top of the support frame in a sliding manner along the left-right direction, and the left pad printing head and the right pad printing head can move up and down along the up-down direction.

Preferably, in the pad printing machine, the pad printing machine further comprises a left inking assembly and a right inking assembly, wherein the left inking assembly and the right inking assembly are respectively installed on the left side and the right side of the alignment platform on the support frame and are respectively opposite to the left pad printing head and the right pad printing head in the up-down direction.

Preferably, in the pad printing machine, the left inking assembly comprises a left ink cup assembly for inking the left pad printing head, a left hot air box for drying the ink on the left pad printing head by blowing, and a left cleaning mechanism for cleaning the ink on the left pad printing head; the right inking assembly comprises a right ink cup assembly for inking the right pad printing head, a right hot air box for drying the ink on the right pad printing head and a right cleaning mechanism for cleaning the ink on the right pad printing head.

Preferably, in the pad printing machine, the alignment stage is an XXY alignment stage.

Preferably, in the pad printing machine, the positioning platform includes a vertical positioning platform for clamping the printing element from a side edge of the printing element to position and a horizontal positioning platform for pressing down the printing element and positioning horizontally.

Preferably, in the pad printing machine, the vertical positioning platform comprises a base and a plurality of vertical positioning components which are arranged on the base and are used for clamping the printing piece from the side edge of the printing piece so as to position the printing piece;

horizontal location platform install in vertical location platform top, including cyclic annular locating plate, vertical positioning part is located the cavity department of cyclic annular locating plate, cavity department is used for placing the printing piece, install horizontal positioning part on the relative side respectively on the cyclic annular locating plate, with what cyclic annular locating plate was connected is equipped with horizontal drive part, is used for the drive cyclic annular locating plate to vertical location platform removes so that horizontal positioning part pushes down printing piece and horizontal location.

Preferably, in the pad printing machine, the base is provided with at least one pair of the vertical positioning components, and at least one of the vertical positioning components in each pair is slidably mounted on the base and connected with the vertical driving component to move towards the other vertical positioning component so as to clamp the printing piece for positioning.

Preferably, in the above pad printing machine, vertical positioning part includes Y to positioning part, vertical drive part is including being used for the drive Y is to the positioning part along Y to the drive unit of removal, Y is to the positioning part including install in Y on the base is to the slip table, every right Y is to one of positioning part Y fixed mounting has two along X direction interval distribution's Y to the locating lever on to the slip table, another Y rotates on to the slip table to be connected with adjusting part, and rotation axis direction along Z to, fixed mounting has two along X direction interval distribution on the adjusting part Y is to the locating lever.

Preferably, in the pad printing machine, the vertical positioning component includes an X-direction positioning component, the vertical driving component includes an X-direction driving component for driving the X-direction positioning component to move along the X-direction, and the X-direction positioning component includes an X-direction sliding table mounted on the base and an X-direction positioning rod mounted on the X-direction sliding table.

The utility model provides a bat printing machine includes support frame, counterpoint platform, rotary platform and location platform. The support frame is provided with a left pad printing head for pad printing the left part of the printing piece and a right pad printing head for pad printing the right part of the printing piece; the alignment platform is fixed on the support frame and is used for aligning the printing piece with the left printing head and the right printing head; the positioning platform is used for positioning the printing piece; the rotary platform is fixed on the aligning platform and used for driving the printing piece to rotate towards the left side and the right side, the rotary platform comprises a supporting seat and a rotary table, the positioning platform is rotatably connected onto the supporting seat, the left rotary driver and the right rotary driver are used for driving the positioning platform to rotate, and the rotating shaft of the positioning platform is along the horizontal direction.

Use the utility model provides a bat printing machine at first realizes the accurate positioning to the printing piece level and vertical direction in through positioning platform. For example, the left-side pad printing is performed first, and after the printing piece is fixed, the rotating platform drives the positioning platform to deflect to the left side by a specified angle. And then, inking the left pad printing head, aligning the left pad printing head and the printing piece through the adjustment of the alignment platform, and then pad printing the left part of the printing piece by the left pad printing head. After the transfer printing of the left lens is finished, the rotary platform drives the right side of the positioning platform to deflect by a specified angle, the right transfer printing head is inked, the right transfer printing head is aligned with the printing piece through the adjustment of the alignment platform, and then the right transfer printing head performs transfer printing on the right side part of the printing piece. Alternatively, the right-side partial pad printing may be performed first and then the left-side partial pad printing may be performed. In summary, the pad printing machine can effectively pad print the printed parts which need to be separately pad printed on the left side and the right side of the glasses, especially the 3D glasses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a pad printing machine according to an embodiment of the present invention for right-side pad printing;

FIG. 2 is a schematic diagram of a pad printing machine according to an embodiment of the present invention for performing left-side pad printing;

FIG. 3 is a structural diagram of a horizontal loading/unloading state of the positioning platform, the rotary platform and the XXY alignment platform in FIG. 1;

FIG. 4 is a left side rotated view of FIG. 3;

FIG. 5 is a corresponding right side rotated view of FIG. 3;

FIG. 6 is an external structural view of the vertical positioning platform;

FIG. 7 is a schematic view of the internal structure of the vertical positioning platform;

FIG. 8 is a schematic view of the Y-position of FIG. 7;

FIG. 9 is a schematic structural view of the positioning stage of FIG. 1;

FIG. 10 is a schematic view of the internal structure of FIG. 9;

FIG. 11 is a schematic view of the placement of the glasses;

FIG. 12 is a schematic view of the positioning stage mounted to the rotating stage;

FIG. 13 is a schematic structural view of a rotary platform;

FIG. 14 is a schematic diagram of an external structure of an XXY alignment stage;

fig. 15 is a schematic view of the internal structure of fig. 14.

The drawings are numbered as follows:

the device comprises a vertical positioning platform 1, an upper supporting plate 11, a lower supporting plate 12, a middle anti-collision block 13, an X-direction supporting seat 14, an X-direction guide rail 15, an X-direction screw rod 16, a second adjustable block 17, a first adjustable block 18, an X-direction motor 19, a fixed sleeve 110, an expansion rod 111, an X-direction positioning rod 112, an X-direction nut 113, an X-direction inductor 114, a Y-direction supporting seat 115, a Y-direction synchronizing wheel 116, a Y-direction screw rod 117, a Y-direction synchronous belt 118, a Y-direction motor 119, a rotation limiting structure 120, a Y-direction positioning rod 121, a first Y-direction inductor 122, a Y-direction guide rail 123, an adjusting component 124, a second Y-direction inductor 125, a Y-direction nut 126, a Y-direction sliding table 127 and an X-direction sliding table 128;

the horizontal positioning platform 2, the annular positioning plate 21, the front and rear positioning rods 22, the left and right positioning rods 23, the guide sleeve 24, the guide post 25, the horizontal rotation driver 26, the Z-direction screw rod 27, the horizontal synchronous belt 28, the horizontal synchronous wheel 29, the horizontal sensor 210, the sliding block 211, the sliding block guide rail 212 and the deflector rod 213;

the device comprises a rotary platform 3, a supporting seat 31, a rotary base 32, an adjusting block 33, an adjusting knob 34, a limiting part 35, a limiting block 36, a rotary bearing 37, a rotary inductor 38, a rotary in-place induction sheet 39, a left-right rotary driver 310, a rotary synchronous belt 311 and a rotary synchronous wheel 312;

XXY is to align the platform 4, the cross motion slide block 41, the motor 42;

the device comprises a support frame 5, a left pad printing head 51, a right pad printing head 52, a left oil cup assembly 53, a left hot air box 54, a left cleaning mechanism 55, a right oil cup assembly 56, a right hot air box 57, a right cleaning mechanism 58 and a product hot air box 59;

and a pair of glasses 6.

Detailed Description

The embodiment of the utility model discloses bat printing machine to the bat printing of the printing piece that the left and right sides needs bat printing alone such as effectual realization glasses, especially 3D glasses.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-15, fig. 1 is a schematic diagram of a pad printing machine according to an embodiment of the present invention for performing right-side pad printing; FIG. 2 is a schematic diagram of a pad printing machine according to an embodiment of the present invention for performing left-side pad printing; fig. 3-15 are partial block diagrams of the components of fig. 1.

In one embodiment, the present invention provides a pad printing machine, which comprises a support frame 5, a positioning platform, a rotating platform 3 and a positioning platform. In the following embodiments, the printing material is described as the glasses 6, but the printing material is not limited to the glasses 6, and may be other printing materials that require transfer printing on the left side portion and the right side portion, or flat printing materials. In the present application, the left side portion and the right side portion of the print-receiving member refer to the left and right portions of the print-receiving member that need to be separately pad-printed, and are not limited to being divided by a central line.

Wherein, the support frame 5 is provided with a left pad printing head 51 for pad printing the left lens of the glasses 6 and a right pad printing head 52 for pad printing the right lens of the glasses 6. The support frame 5 is a main body support part of the pad printing machine and is used for mounting other components, and the specific structure of the support frame can be set according to requirements. Preferably, a frame structure is adopted, the space occupation is small, the weight is light, and the motion condition of each component can be observed conveniently. If necessary, a structure such as a support box may be adopted. In the present application, the glasses 6 may specifically be 3D glasses.

The counterpoint platform is fixed in the middle part of support frame 5, preferably controls central setting. Specifically, the alignment stage may be an XXY alignment stage 4, which enables fine adjustment of the position of the glasses 6 to be accurately aligned with the left pad print 51 or the right pad print 52. The XXY alignment platform 4 comprises 3 cross-shaped moving sliding tables 41 provided with motors 42, wherein 2 of the cross-shaped moving sliding tables move in the X-axis direction, and 1 of the cross-shaped moving sliding tables moves in the Y-axis direction; if 2X axle direction motors 42 drive with the same direction, counterpoint platform just can follow X axle positive and negative direction motion, if 1Y axle direction motor 42 drives alone, counterpoint platform just can follow Y axle positive and negative direction motion, if 3 motors 42 drive simultaneously, then can make counterpoint platform use a certain rotation point to carry out rotary motion as the rotation center. For the detailed structure and operation principle of the XXY alignment stage 4, please refer to the prior art, which is not described herein. By means of the XXY alignment stage 4, precise alignment of the product position with the pattern on the left pad print head 51 or the right pad print head 52 can be achieved.

Rotary platform 3, including supporting seat 31 and left right rotary actuator 310, on supporting seat 31 was fixed in the platform of counterpointing, the locating platform rotated and connects on supporting seat 31, and left right rotary actuator 310 was used for driving the locating platform and rotates, and the axis of rotation of locating platform is along the horizontal direction. The rotary platform 3 is used for driving the glasses 6 to rotate horizontally to the left and right sides, namely the rotary shaft of the positioning platform corresponds to the front and back direction of the installation of the glasses 6, and preferably the left and right symmetrical lines of the glasses 6 are located on the same vertical plane. The specific structure of the supporting seat 31 is not limited here, and it is only necessary to enable it to support and be rotatably connected with the positioning platform. Preferably, the supporting seat 31 includes two opposite upright columns, and the positioning platform is rotatably connected between the two upright columns, and the rotating shaft is along the horizontal direction. Specifically, the positioning platform is connected with the supporting seat 31 through a rotary bearing 37, so as to ensure that the positioning platform rotates smoothly and stably. The rotary platform 3 may specifically include a rotary base 32 rotatably connected to the upright, the rotary base 32 being used to mount a positioning platform, and the positioning platform is rotated with respect to the upright by being fixed above the rotary base 32.

The positioning platform is driven by the left-right rotation driver 310 to rotate to the left or right side, so as to pad print the left or right lens of the glasses 6. Specifically, the left and right rotary drivers 310 may be servo motors, which can precisely control the speed, so as to improve the control precision of the positioning platform, for example, when the positioning platform rotates to be in place, the speed is reduced, so as to precisely control the rotation of the positioning platform to a specified angle. The left and right rotary driver 310 may drive the positioning platform to rotate through the transmission of the rotary timing belt 311 and the rotary timing wheel 312, or may directly drive the positioning platform to rotate through the left and right rotary driver 310.

The glasses 6 are fixed by a fixing component of the pad printing machine after being accurately positioned by the positioning platform. The fixed subassembly is preferably vacuum adsorption subassembly, through vacuum adsorption's mode with fixed, safe and reliable. After the glasses 6 are fixed, all the parts of the positioning platform can be reset, and the clamping effect on the glasses 6 is relieved.

Use the utility model provides a bat printing machine at first realizes the accurate positioning to in glasses level and the vertical direction through location platform. Taking the left lens pad printing as an example, after the glasses are fixed, the rotating platform 3 drives the positioning platform to deflect to the left side by a specified angle. Then, inking the left pad printing head 51, aligning the left pad printing head 51 with the glasses 6 through the alignment platform adjustment, and then pad printing the left lens of the glasses 6 by the left pad printing head 51. After the transfer printing of the left lens is completed, the rotary platform 3 drives the right side of the positioning platform to deflect by a specified angle, the right transfer printing head 52 is inked, the right transfer printing head 52 is aligned with the glasses 6 through the adjustment of the alignment platform, and then the right transfer printing head 52 transfers and prints the right lens of the glasses 6. Alternatively, the right lens pad printing may be performed first and then the left lens pad printing may be performed. In conclusion, the pad printing machine realizes effective pad printing of the glasses 6.

Further, the left pad print head 51 and the right pad print head 52 are respectively mounted on the top of the support frame 5 in a sliding manner in the left-right direction, and the left pad print head 51 and the right pad print head 52 can move in the horizontal direction and can move up and down in the up-down direction. The left pad print head 51 and the right pad print head 52 are mounted on the support frame 5 and are movable in the horizontal direction, and are further movable back and forth between above the rotary platform 3 and above the left inking unit, and between above the rotary platform 3 and above the right inking unit. And the left pad printing head 51 and the right pad printing head 52 can be moved up and down in the up-down direction, thereby enabling inking and pad printing. The specific moving installation manner and driving manner of the left pad print head 51 and the right pad print head 52 can refer to the installation and driving manner of the pad print head in the prior art, and is not limited herein.

Specifically, the left pad printing head 51 is connected with the left motor through the left lead screw, the right pad printing head 52 is connected with the right motor through the right lead screw, and the lead screw is all arranged along the up-down direction, then the left motor drives the left lead screw to rotate, and then reciprocates along the left lead screw with the left pad printing head 51 of left lead screw complex, and the right motor drives the right lead screw to rotate, and then reciprocates along the right lead screw with the right pad printing head 52 of right lead screw complex. The left motor and the right motor can be servo motors. Through screw transmission and motor control, the up-and-down lifting motion of the left pad printing head 51 and the right pad printing head 52 can be controlled accurately. The left pad 51 and the right pad 52 may be connected to a telescopic cylinder to move up and down, respectively, as required.

Further, a left inking assembly and a right inking assembly are also included. The left inking assembly and the right inking assembly are respectively arranged on the left side and the right side of the XXY contraposition platform 4 on the supporting frame 5 and are respectively opposite to the left pad printing head 51 and the right pad printing head 52 in the up-down direction. That is, the left pad head 51 and the right pad head 52 can move in the left-right direction, and can move back and forth between the left inking unit and the XXY registration stage 4 and between the right inking unit and the XXY registration stage 4. The left pad printing head 51 and the left inking component are arranged in a right-up and-down direction in a right-down direction, the right pad printing head 52 and the right inking component are arranged in a right-up and-down direction in a right-down direction, and the left pad printing head 51 and the right pad printing head 52 move downwards to perform corresponding inking operation after moving left and right to fixed positions, so that the left pad printing head 51 and the right pad printing head 52 are convenient to move and control. Specifically, the support frame 5 may be provided with a support rail, and the left pad printing head 51 and the right pad printing head 52 are respectively matched with the support rail through pad printing head sliders. Of course, the positions of the left inking unit, the right inking unit, and the XXY aligning stage 4 are not limited to the above-mentioned arrangement, and may be arranged according to the spatial conditions, and the lifting and traveling paths of the left pad printing head 51 and the right pad printing head 52 may be set accordingly.

The left inking assembly is used to ink the left pad print head 51 and the right inking assembly is used to ink the right pad print head 52. The specific structure of the two components can be referred to the conventional inking component in the prior art, and is not limited in detail. Preferably, the left inking assembly comprises a left ink cup assembly 53 for inking the left pad print head 51, a left hot air box 54 for blow drying the ink on the left pad print head 51, and a left cleaning mechanism 55 for cleaning the ink on the left pad print head 51; the right inking assembly includes a right ink cup assembly 56 for inking the right pad 52, a right hot air box 57 for drying ink on the right pad 52, and a right cleaning mechanism 58 for cleaning ink on the right pad 52. When the left inking component inks the left pad 51, firstly, the oil cup of the left oil cup component 53 inks in the groove matched with the glass pad printing pattern, and then the scraper scrapes off the redundant ink; the left pad printing head 51 horizontally moves to the upper side of the left oil cup, then descends into the groove of the oil cup to take ink, then ascends to move to the left hot air box 54 to blow the ink for drying, when the ink is blown to a specified degree, the left pad printing head 51 finishes inking, and then pad printing is carried out on the left lens of the glasses 6. The inking process of the right pad print head 52 is identical to that of the left pad print head 51 and will not be described in detail here.

Specifically, the left cleaning mechanism 55, the left ink cup assembly 53 and the left hot air box 54 may be sequentially arranged from left to right on the support frame 5 so as to perform corresponding operations on the left pad printing head 51. The right cleaning mechanism 58, the right ink cup assembly 56 and the right hot air box 57 may be sequentially arranged from right to left on the support frame 5 to facilitate corresponding operations on the right pad 52. To dry the pad printed image of the glasses 6, a product hot air box 59 may be provided on the positioning stage.

In each of the above embodiments, the left and right sides of the positioning platform are respectively connected with a limiting part 35, and the positioning platform is respectively fixed with a limiting block 36 for abutting against the limiting part 35 for limiting, corresponding to the limiting part 35. Through the arrangement of the limiting part 35 and the limiting block 36, when the positioning platform rotates left and right, taking the left rotation as an example, when the positioning platform rotates left to the left of the positioning platform, the limiting part 35 abuts against the corresponding limiting block 36, and further leftward displacement of the positioning platform is limited. That is, the accurate limiting of the angle of the positioning platform is realized through the arrangement of the limiting part 35 and the limiting block 36. After the positioning platform is driven by the left-right rotation driver 310 to rotate in place, that is, after the limiting component 35 abuts against the limiting block 36, the positioning platform can be held in the position by the torque of the left-right rotation driver 310, such as the pressing of a servo torque or other pressing mechanism. The limiting part 35 may be a bearing.

Further, the limiting component 35 is installed on the positioning platform in a sliding manner along the vertical direction, and can be locked at different positions of the sliding stroke through the adjusting component. The limiting component 35 is locked at different positions of the sliding stroke through the adjusting component, namely the mounting height of the limiting component 35 on the side surface of the positioning platform is adjusted, so that the positioning platform is adjusted to rotate to the limit position where the limiting component 35 abuts against the limiting block 36, and the rotating angle of the positioning platform is adjusted, and different rotating angle requirements are met.

Specifically, adjusting blocks 33 are respectively installed on the left side and the right side of the positioning platform in a sliding mode in the vertical direction, adjusting knobs 34 are installed on the positioning platform in a rotating mode, the bottom ends of the adjusting knobs 34 are in threaded connection with the adjusting blocks 33, and limiting components 35 are fixed on the adjusting blocks 33. That is, the adjusting component comprises an adjusting block 33 and an adjusting knob 34, and when the adjusting knob 34 rotates forwards and backwards, the adjusting block 33 correspondingly moves upwards or downwards relative to the positioning platform. So set up, can realize the continuous adjustable of regulating block 33 and spacing part 35 position, and then higher to the spacing precision of positioning platform angle. The adjusting part can also be a detachable fixing part such as a buckle and the like according to the requirement.

In the above embodiments, the positioning device further includes a rotation sensor 38 for sensing a rotation angle of the positioning platform, the left/right rotation driver 310 and the rotation sensor 38 are electrically connected to the controller, respectively, and the controller is configured to control the left/right rotation driver 310 according to a sensing result of the rotation sensor 38. By providing the rotation sensor 38, the controller controls the left and right rotation driver 310 according to the rotation angle of the positioning platform fed back by the rotation sensor 38, thereby improving the rotation control accuracy. Specifically, it sets up rotary inductor 38 respectively to correspond locating platform and rotate the extreme position on left side and right side on supporting seat 31, correspond on the locating platform and set up the rotatory response piece 39 that targets in place that can be responded to by rotary inductor 38, then control rotary actuator 310 and drive locating platform pivoted in-process, when rotary inductor 38 senses rotatory response piece 39 that targets in place, rotary actuator 310 stops to continue to drive the locating platform rotatory about the controller control, then the locating platform keeps under this angle. Alternatively, the rotation sensor 38 may be an encoder or other sensor capable of directly monitoring the rotation angle of the positioning platform, so as to directly perform rotation control according to the rotation angle of the positioning platform.

In the above embodiments, the positioning stages include the vertical positioning stage 1 for holding the eyeglasses 6 from the side of the eyeglasses 6 to be positioned and the horizontal positioning stage 2 for pressing down the eyeglasses 6 and positioning horizontally. That is, the vertical positioning platform 1 can clamp the eyeglasses 6 from the side of the eyeglasses 6, so as to realize the positioning in the vertical direction. Horizontal location platform 2 can from top to bottom push down glasses 6, realizes the ascending location of horizontal direction. Here, when two directions perpendicular to each other in the horizontal direction, that is, the vertical direction, are referred to as an X direction and a Y direction, the vertical direction is a Z direction perpendicular to both the X direction and the Y direction, the X direction is a left-right direction, and the Y direction is a front-back direction.

Specifically, the vertical positioning platform 1 comprises a base and a plurality of vertical positioning components which are arranged on the base and used for clamping the eyeglasses 6 from the side edges of the eyeglasses 6 for positioning; horizontal location platform 2 installs in vertical location platform 1 top, including cyclic annular locating plate 21, and vertical positioning part is located cyclic annular locating plate 21's cavity department, installs horizontal positioning part on cyclic annular locating plate 21 on the relative side respectively, and cyclic annular locating plate 21 can move so that horizontal positioning part pushes down glasses 6 and horizontal location to vertical location platform 1.

That is, the vertical positioning stage 1 includes a base on which a plurality of vertical positioning members for sandwiching the eyeglasses 6 from the side of the eyeglasses 6 to position them in the vertical direction are mounted. Horizontal location platform 2 is installed in vertical location platform 1 top, and vertical location platform 1 rotates with supporting seat 31 to be connected, and horizontal location platform 2 rotates along with vertical platform relative supporting seat 31.

The horizontal positioning platform 2 comprises a ring-shaped positioning plate 21, the ring-shaped positioning plate 21 is hollow inside and is used for placing the glasses 6, and a vertical positioning part is positioned in the hollow of the ring-shaped positioning plate 21 so as to act on the glasses 6. Horizontal positioning members are respectively mounted on opposite sides of the annular positioning plate 21, preferably, the horizontal positioning members are respectively provided on the front and rear sides of the annular positioning plate 21, and the horizontal positioning members are respectively provided on the left and right sides, so that the horizontal direction of the eyeglasses 6 is positioned in the front, rear, left and right directions. Of course, when the horizontal direction of the eyeglasses 6 can be positioned only in the front-rear direction or the left-right direction as needed, the horizontal positioning member may be provided only in the front-rear direction or the left-right direction.

The annular positioning plate 21 can move towards the vertical positioning platform 1 to enable the horizontal positioning part to press the glasses 6 downwards and to be positioned horizontally, namely, the annular positioning plate 21 can move up and down relative to the vertical positioning platform 1 to enable the horizontal positioning part to move downwards to press the glasses 6 downwards, so that the glasses are placed horizontally, namely, the glasses are positioned horizontally.

Through the setting of vertical positioning part and horizontal positioning part, place glasses 6 and press from both sides tightly between the vertical positioning part, can realize the accurate positioning of the vertical direction of product. Then the horizontal positioning part moves downwards along with the annular positioning plate 21 from the upper part of the glasses 6 and is pressed tightly on the upper part of the edge of the glasses 6, thereby realizing the positioning of the horizontal plane of the product, namely the precise positioning of the product with 3 degrees of freedom in the Z direction and the XY axis rotation. When the vertical positioning component is loosened, the horizontal positioning component can be loosened along with the vertical positioning component. In conclusion, the positioning platform can realize precise centering positioning of the product so as to meet the pad printing requirement of the glasses 6.

Further, a horizontal driving member for driving the annular positioning plate 21 to move is provided in connection with the annular positioning plate 21. The horizontal driving part is connected with the annular positioning plate 21 and used for driving the annular positioning plate 21 to move towards the vertical positioning platform 1 so that the horizontal positioning part presses the glasses 6 and performs horizontal positioning, namely the horizontal driving part drives the annular positioning plate 21 to move up and down, and then the horizontal positioning part connected with the annular positioning plate 21 correspondingly moves up and down, and particularly the horizontal driving part drives the annular positioning plate 21 to move down to press the glasses 6 so as to ensure that the glasses are horizontally placed, namely the glasses are horizontally positioned.

Specifically, the horizontal positioning member includes front and rear positioning rods 22 attached to the front and rear sides of the annular positioning plate 21, and left and right positioning rods 23 attached to the left and right sides of the annular positioning plate 21. That is, the front and back locating levers 22 that the level extends are installed respectively to the central line that both sides correspond glasses 6 around on cyclic annular locating plate 21, and locating lever 23 about installing respectively to the left and right sides on cyclic annular locating plate 21, and locating lever 23 about all including vertical pole section and horizontal pole section, and the bottom of vertical pole section is connected with cyclic annular locating plate 21, top and horizontal pole section fixed connection, and the horizontal pole section is towards glasses 6's the position of placing. That is, the horizontal positioning rod includes a front-rear positioning rod 22 and a left-right positioning rod 23, and the front-rear positioning rod 22 is located on the annular positioning plate 21 at opposite sides in the front-rear direction and extends in the front-rear direction. The left and right positioning rods 23 are located on the left and right opposite sides of the annular positioning plate 21, and the left and right sides are higher than the middle height when the glasses 6 are flatly placed, so that the left and right positioning rods 23 comprise vertical rod sections and horizontal rod sections, the horizontal rod sections act on the glasses 6, the height of the horizontal rod sections is increased through the vertical rod sections, the specific height is set according to the shape of the glasses 6, and the specific limitation is not made here. The horizontal direction of the glasses 6 is positioned through the front, back, left and right directions and the left and right directions, and the positioning precision is further ensured.

Further, the annular positioning plate 21 and the base are connected with a guide pillar 25 through a guide sleeve 24 which is sleeved and can move up and down relatively. That is to say, the guide sleeve 24 is sleeved on the guide post 25, and the guide sleeve can move relatively, one of the annular positioning plate 21 and the base is fixedly connected with the guide sleeve 24, the other is fixedly connected with the guide post 25, and when the annular positioning plate 21 moves relative to the vertical positioning platform 1, the guide post 25 and the guide sleeve 24 can guide the movement of the annular positioning plate 21 relative to the base, so that the movement is more stable.

Furthermore, the horizontal driving part includes a horizontal rotation driver 26 and a Z-direction screw rod 27 connected to an output shaft of the horizontal rotation driver 26 and extending in the up-down direction, and a Z-direction nut engaged with the Z-direction screw rod 27 is fixedly connected to the annular positioning plate 21. That is, the annular positioning plate 21 is connected with the output shaft of the horizontal rotation driver 26 through the Z-direction lead screw nut assembly, so that the torque output by the horizontal rotation driver 26 drives the Z-direction lead screw 27 to rotate, the rotation of the Z-direction lead screw 27 drives the Z-direction nut to move up and down along the Z-direction lead screw 27, and the annular positioning plate 21 fixedly connected with the Z-direction nut is driven to move up and down. For the specific structure and matching of the Z-direction screw rod 27 and the Z-direction nut, please refer to the prior art, which is not described herein. It should be noted that the fixed connection between the annular positioning plate 21 and the Z-direction nut includes both the connection between the two by conventional fixing methods such as welding and clamping, and also includes the structure of the two as an integral type, that is, the annular positioning plate 21 has a threaded portion engaged with the Z-direction screw 27. Through the screw drive, the precision of pushing down of cyclic annular locating plate 21 is higher, and then has further improved the precision of 6 horizontal location of glasses.

Specifically, the horizontal rotation driver 26 is a horizontal servomotor. The servo motor can control the speed accurately, and then improve the precision of cyclic annular locating plate 21 mobility control, for example when cyclic annular locating plate 21 is about to push down the target in place, reduce speed to cyclic annular locating plate 21 descends to the regulation height of accurate control. The horizontal rotation driver 26 can drive the Z-direction screw rod 27 to rotate through the transmission of the horizontal synchronous belt 28 and the horizontal synchronous wheel 29, and further drive the annular positioning plate 21 to move up and down, or can directly drive the Z-direction screw rod 27 to rotate through the horizontal rotation driver 26.

In the above embodiments, the apparatus further includes a horizontal sensor 210 for sensing the movement of the annular positioning plate 21, the horizontal driving component and the horizontal sensor 210 are electrically connected to the controller, respectively, and the controller is configured to control the start and stop of the horizontal driving component according to the sensing result of the horizontal sensor 210. By providing the horizontal sensor 210, the controller controls the horizontal driving part according to the movement of the annular positioning plate 21 fed back by the horizontal sensor 210, thereby improving the movement control accuracy. Specifically, the upper limit position and the lower limit position corresponding to the annular positioning plate 21 on the vertical positioning platform 1 are respectively provided with the horizontal sensor 210, the annular positioning plate 21 is correspondingly provided with the horizontal sensing piece capable of being sensed by the horizontal sensor 210, the horizontal driving part drives the annular positioning plate 21 to move in the process, when the horizontal sensor 210 senses the horizontal sensing piece, the controller controls the horizontal driving part to stop continuously driving the annular positioning plate 21 to move in the same direction, and then the annular positioning plate 21 is kept at the height.

On the basis of the above-described embodiments, the vertical positioning platform 1 comprises a base on which at least one pair of vertical positioning members is mounted, at least one of each pair of vertical positioning members being slidably mounted on the base and connected to a vertical driving member to move towards the other vertical positioning member, and thus to clamp the eyeglasses 6 for positioning.

That is, the vertical positioning platform 1 includes a base having the same specific structure as the base in the above embodiment in which the vertical positioning platform 1 has a base, which is used to mount the vertical positioning member. The base may specifically include an upper support plate 11, a lower support plate 12, and side plates surrounding between the upper support plate 11 and the lower support plate 12.

At least one of each pair of vertical positioning members is slidably mounted on the base and is connected to a vertical driving member for movement towards the other vertical positioning member, so as to be able to apply a force to the eyeglasses 6 from opposite directions to clamp them in position. It should be noted that at least one of each pair of vertical positioning components is slidably mounted on the base, which means that each pair of vertical positioning components can be both slidably mounted on the base, or one vertical positioning component is slidably mounted on the base, and the other vertical positioning component is fixed on the base. The number of the specific vertical positioning components can be set according to needs, and is not particularly limited herein.

Specifically, the vertical positioning component comprises a Y-direction positioning component and an X-direction positioning component, and the vertical driving component comprises a Y-direction driving component for driving the Y-direction positioning component to move along the Y direction and an X-direction driving component for driving the X-direction positioning component to move along the X direction. By arranging the Y-direction positioning component and the X-direction positioning component which are perpendicular to each other, the precision positioning of the product in the XY direction and the Z-axis rotation with 3 degrees of freedom can be realized. The positioning member may include only the Y-direction positioning member or the X-direction positioning member as needed.

Further, vertical positioning part includes Y to locating part, and vertical drive part is including being used for the drive Y is to the Y drive part that the locating part removed along Y, and Y is to the locating part including installing Y on the base to slip table 127, and every Y to one of locating part its Y to slip table 127 on fixed mounting have at least two along the Y of X direction interval distribution to locating lever 121, another Y to slip table 127 on the rotation connection have adjusting part 124, and the axis of rotation direction is along the Z direction, and fixed mounting has at least two along the Y of X direction interval distribution to locating lever 121 on the adjusting part 124. That is, the Y-direction positioning members are oppositely arranged in the Y-direction, and the Y-direction positioning members are mounted on the base through the Y-direction sliding table 127. Specifically, in each pair of Y-direction positioning members, at least one Y-direction sliding table 127 is slidably mounted on the base along the Y-direction, and preferably, the Y-direction sliding tables 127 of the two opposite Y-direction positioning members are slidably mounted on the base.

At least two Y-direction positioning rods 121 are fixedly mounted on the Y-direction sliding table 127 of one of each pair of Y-direction positioning components, and the at least two Y-direction positioning rods 121 are distributed at intervals along the X direction. The other Y-direction sliding table 127 is rotatably connected with an adjusting component 124, at least two Y-direction positioning rods 121 are fixedly mounted on the adjusting component 124, and the at least two Y-direction positioning rods 121 are distributed at intervals along the X direction. When the Y-direction driving unit drives the Y-direction positioning unit to move toward the other Y-direction positioning unit, that is, both Y-direction slide tables 127 approach each other, the glasses 6 are clamped by the Y-direction positioning rods 121. The Y-direction positioning rod 121 which cannot rotate around the Z-direction axis can provide reliable left and right supporting and positioning, and the Y-direction positioning rod 121 on the other side is rotatably mounted on the Y-direction sliding table 127 through the adjusting member 124, so that the adjusting member 124 can automatically rotate according to the edge of the eyeglasses 6 as the two Y-direction sliding tables 127 approach each other to cause the two Y-direction positioning rods 121 to be attached to the edge of the eyeglasses 6, and therefore, the eyeglasses 6 can be effectively clamped and positioned even when the edge of the eyeglasses 6 has a machining error. The adjusting member 124 may be a connecting rod, and the rod-shaped structure occupies a small space, so that the at least two Y-positioning rods 121 may be fixed to two ends of the connecting rod. The distance between at least two Y-direction positioning rods 121 on the adjustment member 124 may be set as required. At least two Y-direction positioning rods 121 provided on the adjustment member 124 are preferably provided at equal intervals from the rotation center of the adjustment member 124.

In addition, if the Y-direction positioning member directly contacts with one plate-like structure to position one side surface of the eyeglasses 6, it is difficult to secure a contact area between the plate-like structure and the eyeglasses 6 when a machining error of the plate-like structure is large. Therefore, the glasses 6 are clamped by the Y-direction positioning rods 121 for positioning, and the Y-direction positioning rods 121 can be in good contact with different positions on the side faces of the glasses 6 respectively, so that the positioning effect is guaranteed, meanwhile, the manufacturing materials of the connecting parts are saved, and the processing difficulty is reduced.

Further, a rotation limiting structure 120 for limiting a range of a pivot angle of the adjusting member 124 is provided on the Y-direction slide table 127 to which the adjusting member 124 is rotatably connected. Through the setting of rotation limiting structure 120, can be injectd the swing of adjustment part 124 in reasonable scope, adjustment part 124 can adjust to the state that Y is pasted glasses 6 to locating lever 121 more fast, need not to swing by a wide margin in the location process.

Specifically, as shown in fig. 8, the rotation limiting structure 120 includes limiting blocks respectively disposed at two sides of the adjusting member 124, and when the adjusting member 124 swings around the rotation center thereof to abut against the limiting blocks, the adjusting member cannot continue to rotate in the original direction. Or, the rotation limiting structure 120 may include an encoder connected to the adjusting member 124 and an air cylinder fixed on the Y-direction sliding table 127, both the air cylinder and the encoder are electrically connected to the controller, and the controller controls a piston rod of the air cylinder to extend out to block the adjusting member 124 according to the detection of the rotation angle of the adjusting member 124 by the encoder, so as to prevent the adjusting member 124 from continuing to rotate along the original direction.

In the above embodiments, the vertical positioning component includes an X-direction positioning component, the vertical driving component includes an X-direction driving component for driving the X-direction positioning component to move along the X-direction, and the X-direction positioning component may specifically include an X-direction sliding table 128 mounted on the base and an X-direction positioning rod 112 mounted on the X-direction sliding table 128. That is, the X-direction positioning member is mounted on the base by the X-direction slide table 128. Specifically, the X-direction positioning members are oppositely arranged along the X-direction, and in each pair of X-direction positioning members, at least one X-direction sliding table 128 of the X-direction positioning member is slidably mounted on the base along the X-direction, and preferably, the X-direction sliding tables 128 of two opposite X-direction positioning members are slidably mounted on the base. X is to installing X on the slip table 128 to locating lever 112, and clip glasses 6 through the locating lever with the location, each X is to locating lever 112 can keep good contact with different positions on the glasses 6 side respectively, and then guarantees the location effect, is favorable to practicing thrift the manufacturing material of connecting portion simultaneously, reduces the processing degree of difficulty. The number of the specific X-direction positioning rods 112 may be set as required, and is not particularly limited herein. Specifically, a Y-guide rail 123 may be provided in cooperation with the Y-slide table 127, and an X-guide rail 15 may be provided in cooperation with the X-slide table 128.

Through Y to locating part and X to locating part cooperation, from the cooperation of two directions of mutually perpendicular in common action in order to clip glasses 6 in order to fix a position, realize X direction, Y direction and Z to the precision positioning of rotatory 3 degrees of freedom, avoid glasses 6 to take place to rock in this direction, can effectively improve the reliability of location, be favorable to realizing the precision centering location to glasses 6, and then satisfy the bat printing requirement.

Referring specifically to fig. 7, the eyeglasses 6 of fig. 7 are shown in a simplified schematic view. Two Y-direction sliding tables 127 are oppositely and slidably mounted on the base along the Y direction, two Y-direction positioning rods 121 which are distributed at intervals along the X direction are fixedly mounted on one Y-direction sliding table 127, an adjusting component 124 is rotatably connected to the other Y-direction sliding table 127, the rotating shaft direction is along the Z direction, and two Y-direction positioning rods 121 which are distributed at intervals along the X direction are fixedly mounted on the adjusting component 124; two X-direction sliding tables 128 are arranged on the base along the X direction in a relative sliding manner, and an X-direction positioning rod 112 is fixed on each X-direction sliding table 128. The two X-direction positioning rods 112 clamp the eyeglasses 6 from the left and right sides, and the four Y-direction positioning rods 121 clamp the eyeglasses 6 from the front and rear sides, thereby precisely positioning the eyeglasses 6 repeatedly. To the printing piece with larger left and right length and smaller front and back width of the glasses 6 and the like, the high-efficiency accurate positioning can be realized through the structure.

Further, the fixing position of the X-direction positioning rod 112 on the X-direction slide table 128 in the Y direction is adjustable. That is, the fixing position of the X-direction positioning rod 112 on the X-direction sliding table 128 in the Y direction is adjusted, so that the positioning requirements of the eyeglasses 6 of different specifications can be met, and the applicability is improved.

Specifically, referring to fig. 7, the X-direction positioning rod 112 is fixed on the first adjustable block 18, the first adjustable block 18 is fixed on the second adjustable block 17, the second adjustable block 17 is fixed on the X-direction sliding table 128, and the fixing position of the X-direction positioning rod 112 is adjusted by connecting the first adjustable block 18 to different positions on the second adjustable block 17 along the Y-direction screws.

In the above embodiments, the Z-direction heights of the X-direction positioning component and the Y-direction positioning component are adjustable. Therefore, the applicability of the centering platform can be improved, and the position of the positioning part can be adaptively adjusted according to the position and the thickness of the glasses 6 in the Z direction.

Specifically, the X-direction positioning component includes an X-direction positioning rod 112, the Y-direction positioning component includes a Y-direction positioning rod 121, and both the X-direction positioning rod 112 and the Y-direction positioning rod 121 are telescopic rods, so as to realize height adjustment of the corresponding positioning portion in the Z direction. Taking the X-directional positioning rod 112 as an example, as shown in fig. 7, the X-directional positioning rod 112 includes a fixing sleeve 110 mounted on the X-directional sliding table 128 and an expansion rod 111 capable of extending or retracting in the Z-direction relative to the fixing sleeve 110, and the expansion rod 111 and the fixing sleeve 110 may be screwed, snapped, or otherwise connected to be fixed together after the Z-directional relative position is adjusted. Alternatively, the height adjustment of the X-direction positioning member and the Y-direction positioning member in the Z-direction may be performed by providing a Z-direction telescopic cylinder, and the cylinder is preferably controlled by a controller electrically connected thereto.

In addition, referring to fig. 6, the base specifically includes a box body composed of an upper supporting plate 11, a lower supporting plate 12 disposed above and below the upper supporting plate 11Z, and a side plate disposed between the upper supporting plate 11 and the lower supporting plate 12, and protects each component mounted in the base. The upper supporting plate 11 can be provided with a printing jig and a jig bottom plate arranged on the printing jig, and the glasses 6 are arranged on the jig bottom plate. Guide holes for providing a moving space for the corresponding X-direction positioning rod 112 and Y-direction positioning rod 121 are provided in the upper support plate 11 in a Z-direction through manner, and each of the X-direction positioning rod 112 and the Y-direction positioning rod 121 can be extended out of the case through the corresponding guide hole to position the eyeglasses 6. Because the X-direction positioning rod 112 and the Y-direction positioning rod 121 are adjustable in height in the Z direction, when the positioning column does not work, the X-direction positioning rods 112 and the Y-direction positioning rods 121 can be retracted into the box body, and the service life of the positioning column can be prolonged.

In order to achieve an effective protection effect, in the above embodiments, the middle anti-collision blocks are respectively arranged on the base between each pair of positioning components. Specifically, the middle anti-collision blocks 13 are respectively arranged between each pair of X-direction positioning components and each pair of Y-direction positioning components on the base. Preferably, the middle impact-proof block 13 may be of an elastic structure to reduce impact damage. The middle anti-collision block 13 separates the positioning parts moving towards the glasses 6, so that the positioning parts can be effectively protected, and the impact damage between the positioning parts can be reduced. As shown in fig. 8, due to the arrangement of the intermediate impact-proof block 13, no impact occurs directly between each pair of X-direction positioning members and between each pair of Y-direction positioning members.

On the basis of the above embodiments, the X-direction driving component includes an X-direction rotary driver and an X-direction screw rod 16 connected to an output shaft of the X-direction rotary driver and extending along the X-direction, an X-direction nut 113 is arranged to match with the X-direction screw rod 16, and the X-direction positioning component is fixedly connected with the X-direction nut 113 to move along with the rotation of the X-direction screw rod 16 in the X-direction; the Y-direction driving part comprises a Y-direction rotary driver and a Y-direction screw rod 117 which is connected with an output shaft of the Y-direction rotary driver and extends along the Y direction, a Y-direction nut 126 is arranged in a matched mode with the Y-direction screw rod 117, and the Y-direction positioning part is fixedly connected with the Y-direction nut 126 so as to move along with the rotation of the Y-direction screw rod 117 in the Y direction.

That is, the X-direction positioning component is connected with the output shaft of the X-direction rotary driver through the lead screw nut assembly, so that the torque output by the X-direction rotary driver drives the X-direction lead screw 16 to rotate, the rotation of the X-direction lead screw 16 drives the X-direction nut 113 to move left and right along the X-direction lead screw 16, and the X-direction positioning component fixedly connected with the X-direction nut 113 moves left and right. Specifically, please refer to the prior art for the specific structure and the matching between the X-direction screw rod 16 and the X-direction nut 113, which will not be described herein again. The X-direction positioning component and the X-direction nut 113 can be connected in a conventional fixing manner such as welding, clamping and the like, and also comprise an integrated structure of the two, namely the X-direction positioning component is provided with a thread part matched with the screw rod. Through screw rod transmission, X is higher to locating part's removal precision, and then has further improved the precision of 6 horizontal location of glasses. The movement of the Y-direction positioning component is the same as the principle of the X-direction positioning component, and the description is omitted here.

Further, the X-direction rotary driver is a servo motor. The servo motor can accurately control the speed, so that the control accuracy of the positioning platform is improved, and if the X-direction positioning component is to be moved in place, the speed is reduced, so that the X-direction positioning component is accurately controlled to move to a specified position. The Y-direction rotary driver may drive the Y-direction positioning member to move through transmission of the Y-direction timing belt 118 and the Y-direction timing wheel 116, or may directly drive the Y-direction positioning member to move through the Y-direction rotary driver.

Preferably, the two opposite X-direction positioning members are slidably mounted on the base along the X-direction, and the two opposite Y-direction positioning members are slidably mounted on the base along the Y-direction. Specifically, the X-direction driving member may be provided for each X-direction positioning member, and the Y-direction driving member may be provided for each Y-direction positioning member. Preferably, the two opposite X-direction positioning members are connected to the same X-direction driving member through a transmission member to move synchronously, and the two opposite Y-direction positioning members are connected to the same Y-direction driving member through a transmission member to move synchronously.

Specifically, when screw transmission is adopted, the X-direction driving part comprises an X-direction rotary driver and a screw nut assembly connected to an output shaft of the X-direction rotary driver, and the screw nut assembly can convert rotary motion into linear motion. The X-direction screw rod 16 of the screw rod nut assembly comprises two screw thread sections with opposite rotation directions, and two X-direction positioning parts are respectively connected to the nuts of the two screw thread sections, so that the two X-direction positioning parts synchronously move in opposite directions along the X direction, and therefore the glasses 6 can be clamped and positioned or the glasses 6 can be loosened.

So set up, can effectively improve the drive efficiency to location portion, and be favorable to the energy saving and equipment to account for the space. Meanwhile, in the pair of positioning components, after the movement distance of one positioning component is determined, the movement distance of the other positioning component is correspondingly determined due to synchronous movement, so that the control of the movement distance of the positioning components is facilitated.

Specifically, as shown in fig. 7 and 8, the X-direction driving means includes an X-direction motor 19 and an X-direction lead screw nut assembly including an X-direction lead screw 16, an X-direction rail 15, and an X-direction nut 113. To facilitate the mounting of the X-lead screw 16, an X-holder 14 may be provided. The X-direction screw 16 and the X-direction guide rail 15 both extend along the X direction, the X-direction nut 113 is connected to the X-direction guide rail 15 extending along the X direction in a sliding mode so as to avoid the X-direction nut 113 from rotating on the X-direction screw 16, the X-direction nut 113 is connected to the X-direction screw 16 in a threaded mode, and the rotating motion of the X-direction motor 19 can be converted into the linear motion of the X-direction nut 113 through the transmission of the X-direction screw 16 and the limiting of the X-direction guide rail 15. The output shaft of the X-direction motor 19 and the X-direction screw 16 can be in transmission connection through a synchronous belt assembly, and can also be directly and fixedly connected through a coupler or other modes. The two X-direction positioning members are fixed to the two X-direction nuts 113, respectively. Correspondingly, the Y-direction driving component includes a Y-direction motor 119 and a Y-direction screw nut assembly, and the specific configuration may refer to the description of the X-direction motor 19 and the X-direction screw nut assembly, which is not described again, wherein the two Y-direction nuts 126 are respectively connected to the Y-direction positioning component.

On the basis of the above embodiments, the positioning device further includes a positioning device sensor for respectively sensing the position of the X-direction positioning device connected to the X-direction driving device and the position of the Y-direction positioning device connected to the Y-direction driving device, the X-direction driving device, the Y-direction driving device, and the positioning device sensor are respectively electrically connected to the controller, and the controller is configured to control the start and stop of the corresponding X-direction driving device and the corresponding Y-direction driving device according to the sensing result of the positioning device sensor. That is, the positioning member sensor can sense whether the positioning member moves within its sensing range. The X-direction driving component, the Y-direction driving component and the positioning component sensor are respectively and electrically connected to the controller, and the controller is used for controlling the starting and stopping of the corresponding X-direction driving component or Y-direction driving component according to the sensing result of the positioning component sensor. Through the setting of locating part inductor, for the controller control X to locating part and Y to the displacement of locating part provide convenience, can guarantee that every glasses 6 all are positioned in same position department.

In a specific application, referring to fig. 8, for a Y-direction positioning component connected to a Y-direction driving component, a first Y-direction sensor 122 and a second Y-direction sensor 125 are sequentially disposed on a base along a Y-direction corresponding to the Y-direction positioning component, and the second Y-direction sensor 125 is closer to another Y-direction positioning component than the first Y-direction sensor 122. The Y-direction positioning part is fixedly provided with a Y-direction induction sheet matched with the Y-direction inductor. When the second Y-direction sensor 125 senses the Y-direction sensing piece during the movement of the Y-direction positioning part approaching to another Y-direction positioning part, the controller controls the Y-direction motor 119 to stop rotating, and the two opposite Y-direction positioning parts clamp the glasses 6; when the eyeglasses 6 need to be loosened, the controller controls the Y-direction motor 119 to be started in the reverse direction, the two Y-direction positioning parts are far away from each other, and when the first Y-direction sensor 122 senses the Y-direction sensing piece, the controller controls the Y-direction motor 119 to stop rotating, and the Y-direction positioning parts stop moving. Under the condition that the two Y-direction positioning parts move synchronously, only one side of one Y-direction positioning part is correspondingly provided with a Y-direction inductor. For the positioning in the X direction, the above-mentioned set sensor can be referred to, and the description is omitted here.

On the basis of the above embodiments, the annular positioning plate 21 is respectively slidably mounted with the sliding blocks 211 matched with the horizontal positioning components, the horizontal positioning components are fixed on the sliding blocks 211, the positioning component connected with the vertical driving component is fixedly connected with the shift lever 213, the top end of the shift lever 213 is slidably connected with the corresponding sliding block 211 to drive the sliding blocks 211 to move synchronously, and the shift lever 213 can slide relative to the sliding blocks 211 along the vertical direction. Specifically, shift lever 213 is fixedly connected to the X-direction positioning part connected to the X-direction driving part and the Y-direction positioning part connected to the Y-direction driving part, the top end of shift lever 213 is slidably connected to corresponding slider 211 to drive slider 211 to move synchronously, and shift lever 213 can slide relative to slider 211 in the vertical direction. That is, the horizontal positioning component is slidably mounted on the annular positioning plate 21 through the sliding block 211, and the sliding block 211 is matched with the shift lever 213, the top end of the shift lever 213 is slidably connected with the corresponding sliding block 211, and further when the X-direction driving component drives the X-direction positioning component to move, the X-direction positioning component drives the shift lever 213 fixedly connected therewith to synchronously move, the shift lever 213 drives the sliding block 211 matched therewith to synchronously move X-direction, and then the corresponding horizontal positioning component horizontally moves to the upper side of the edge of the glasses 6, so that the glasses 6 are pressed down and positioned when the subsequent annular positioning plate 21 moves down. Specifically, the slider 211 is provided with a slider guide 212 to be slidably connected to the annular positioning plate 21.

Similarly, when the Y-direction driving part drives the Y-direction positioning part to move, the Y-direction positioning part drives the shifting lever 213 fixedly connected therewith to move synchronously, the shifting lever 213 drives the sliding block 211 matched therewith to move synchronously in the Y-direction, and the corresponding horizontal positioning part moves horizontally to above the edge of the eyeglasses 6, so that the eyeglasses 6 are pressed and positioned when the subsequent annular positioning plate 21 moves downwards. By the arrangement of the shift lever 213, the X-direction positioning component and the Y-direction positioning component are respectively synchronized with the X-direction and Y-direction movements of the corresponding horizontal positioning component, so that when the glasses 6 are clamped by the X-direction positioning component and the Y-direction positioning component, the horizontal positioning component is synchronously moved to the upper side of the edge of the glasses 6, and when the glasses 6 are loosened by the X-direction positioning component and the Y-direction positioning component, the horizontal positioning component is synchronously moved to the outer side of the edge of the glasses 6, so that the glasses 6 can be conveniently transferred. The horizontal positioning part is installed in a sliding way, so that the glasses 6 can be conveniently transferred. In addition, the horizontal positioning component moves synchronously along with the X-direction positioning component and the Y-direction positioning component, so that the structure is simple and the control is convenient.

Specifically, when the annular positioning plate 21 is provided with the front and rear positioning rods 22 in a sliding manner in the front and rear direction, and the left and right positioning rods 23 in a sliding manner in the left and right direction, the Y-direction driving part drives the shift lever 213 fixedly connected therewith to move synchronously, the shift lever 213 drives the slider 211 matched therewith to move synchronously in the Y direction, the front and rear positioning rods 22 move horizontally to above the edge of the eyeglasses 6, when the X-direction driving part drives the X-direction positioning part to move, the X-direction positioning part drives the shift lever 213 fixedly connected therewith to move synchronously, the shift lever 213 drives the slider 211 matched therewith to move synchronously in the X direction, and the corresponding left and right positioning rods 23 move horizontally to above the edge of the eyeglasses 6. The front-rear positioning rod 22 and the left-right positioning rod 23 may be connected to the positioning rod driving means so as to be moved toward each other and positioned above the eyeglasses 6, respectively, as necessary. With this arrangement, the front and rear positioning rods 22 and the left and right positioning rods 23 can be moved to above the edge of the eyeglasses 6 when the eyeglasses 6 are sandwiched between the X-direction positioning member and the Y-direction positioning member by the driving action of the positioning rod driving member, so that the eyeglasses 6 can be pressed and positioned when the subsequent annular positioning plate 21 moves downward. And when X loosens glasses 6 to locating part and Y to locating part, then locating lever drive part drives horizontal positioning part and removes to glasses 6 edge beyond to the transfer of glasses 6 is convenient for. The positioning rod driving means may be the X-direction driving means and the Y-direction driving means as described above, or may be provided with a horizontal positioning driving means for driving each horizontal positioning means individually as necessary.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pad printing machine, comprising:

a support frame (5) provided with a left pad printing head (51) for pad printing the left part of the printing piece and a right pad printing head (52) for pad printing the right part of the printing piece;

the alignment platform is arranged on the support frame (5) and is used for aligning the printing piece with the left pad printing head (51) and the right pad printing head (52);

the positioning platform is used for positioning the printing piece;

rotary platform (3) is fixed in on the platform of counterpointing, be used for driving it is rotatory to the left and right sides to bear the printing piece, including supporting seat (31) and left and right sides rotation drive ware (310), positioning platform rotate connect in on supporting seat (31), left and right sides rotation drive ware (310) are used for the drive positioning platform rotates, positioning platform's axis of rotation is along the horizontal direction.

2. Pad printer according to claim 1, characterized in that the left pad printer head (51) and the right pad printer head (52) are respectively mounted on the top of the support frame (5) in a sliding manner along the left-right direction, and the left pad printer head (51) and the right pad printer head (52) can move up and down along the up-down direction.

3. The pad printing machine according to claim 2, further comprising a left inking unit and a right inking unit, wherein the left inking unit and the right inking unit are respectively mounted on the left and right sides of the alignment platform on the support frame (5) and are respectively opposite to the left pad printing head (51) and the right pad printing head (52) in the up-down direction.

4. Pad printer according to claim 3 characterized in that the left inking assembly comprises a left ink cup assembly (53) for inking the left pad (51), a left hot air box (54) for blow drying the ink on the left pad (51) and a left cleaning mechanism (55) for cleaning the ink on the left pad (51); the right inking assembly comprises a right ink cup assembly (56) for inking the right pad (52), a right hot air box (57) for drying the ink on the right pad (52) and a right cleaning mechanism (58) for cleaning the ink on the right pad (52).

5. Pad printing machine according to claim 1, characterized in that the alignment stage is an XXY alignment stage (4).

6. Pad printing machine according to any one of claims 1 to 5, characterized in that the positioning stages comprise a vertical positioning stage (1) for clamping the printing element from its side for positioning and a horizontal positioning stage (2) for pressing down the printing element and positioning it horizontally.

7. Pad printing machine according to claim 6, characterized in that the vertical positioning platform (1) comprises a base and a plurality of vertical positioning members mounted on the base for gripping the print from its side edges for positioning;

horizontal location platform (2), install in vertical location platform (1) top, including cyclic annular locating plate (21), vertical positioning part is located the cavity department of cyclic annular locating plate (21), cavity department is used for placing the printing piece, install horizontal positioning part on cyclic annular locating plate (21) the relative side respectively, cyclic annular locating plate (21) can to vertical location platform (1) removes so that horizontal positioning part pushes down printing piece and horizontal location.

8. A pad printer according to claim 7, wherein at least one pair of said vertical positioning members is mounted on said base, at least one of each pair of said vertical positioning members being slidably mounted on said base and connected to a vertical drive member for movement towards the other said vertical positioning member to grip said pad for positioning.

9. The pad printing machine according to claim 8, wherein the vertical positioning component comprises a Y-direction positioning component, the vertical driving component comprises a Y-direction driving component for driving the Y-direction positioning component to move along the Y direction, the Y-direction positioning component comprises a Y-direction sliding table (127) installed on the base, each pair of Y-direction positioning components is provided with two Y-direction positioning rods (121) which are distributed at intervals along the X direction on the Y-direction sliding table (127), the other Y-direction sliding table (127) is connected with an adjusting component (124) in a rotating mode, the rotating shaft direction is along the Z direction, and the adjusting component (124) is provided with two Y-direction positioning rods (121) which are distributed at intervals along the X direction.

10. The pad printing machine according to claim 8, wherein the vertical positioning component comprises an X-direction positioning component, the vertical driving component comprises an X-direction driving component for driving the X-direction positioning component to move along an X direction, and the X-direction positioning component comprises an X-direction sliding table (128) installed on the base and an X-direction positioning rod (112) installed on the X-direction sliding table (128).