阅读说明：本技术 一种用于表槽标记的流水线 (Assembly line for marking meter groove ) 是由 徐兆华 李建平 唐守军 王胜先 罗顺 叶凯云 颜广文 杨勇 盛辉 张凯 于 2020-04-24 设计创作，主要内容包括：本发明公开一种用于表槽标记的流水线,包括多个首尾相连的标记单元,该标记单元包括安装台、传送带、激光系统、加工台、第一传输带、第二传输带和机械手,激光系统包括激光发生器,激光发生器用以对表槽打标,激光发生器的下方安装有治具组件；加工台与安装台接驳；第一传输带安装于加工台,包括层叠设置的上层第一传输带和下层第一传输带,上层第一传输带和下层第一传输带可上下移动,并与传送带选择性接驳；第二传输带安装于加工台,包括层叠设置的上层第二传输带和下层第二传输带,上层第二传输带和下层第二传输带可上下移动,并与第一传输带选择性接驳；机械手用以将手表移载至治具组件上。本发明技术方案提高了表槽标记的工作效率。(The invention discloses a production line for marking meter slots, which comprises a plurality of end-to-end marking units, wherein each marking unit comprises an installation table, a conveying belt, a laser system, a processing table, a first conveying belt, a second conveying belt and a mechanical arm; the processing table is connected with the mounting table; the first conveying belt is arranged on the processing table and comprises an upper layer of first conveying belt and a lower layer of first conveying belt which are arranged in a stacked mode, and the upper layer of first conveying belt and the lower layer of first conveying belt can move up and down and are selectively connected with the conveying belts; the second conveying belt is arranged on the processing table and comprises an upper layer of second conveying belt and a lower layer of second conveying belt which are arranged in a stacked mode, and the upper layer of second conveying belt and the lower layer of second conveying belt can move up and down and are selectively connected with the first conveying belt; the manipulator is used for transferring the watch to the jig assembly. The technical scheme of the invention improves the working efficiency of the surface groove mark.)

1. A pipeline for marking a table slot, comprising a plurality of marking units (10), a plurality of said marking units (10) being connected end to end, said marking units (10) comprising:

a mounting table (100), the mounting table (100) having a table top (101);

the conveying belt (200), the conveying belt (200) is installed on the table board (101), and the conveying belt (200) is used for conveying the watch (20) or the material box (900);

the laser system (300) is arranged on the table top (101) and located on one side of the conveyor belt (200), the laser system (300) comprises a laser generator (310), the laser generator (310) is used for marking a groove, and a jig assembly (400) is arranged below the laser generator (310);

a processing station (500), said processing station (500) interfacing with said mounting station (100);

a first conveyor belt (600), the first conveyor belt (600) being mounted to the processing table (500), the first conveyor belt (600) including an upper first conveyor belt (610) and a lower first conveyor belt (620), the upper first conveyor belt (610) and the lower first conveyor belt (620) being stacked, the upper first conveyor belt (610) and the lower first conveyor belt (620) being movable up and down and being selectively connectable to the conveyor belt (200);

a second conveyor belt (700), the second conveyor belt (700) being mounted to the processing table (500), the second conveyor belt (700) including an upper second conveyor belt (710) and a lower second conveyor belt (720), the upper second conveyor belt (710) and the lower second conveyor belt (720) being stacked, the upper second conveyor belt (710) and the lower second conveyor belt (720) being movable up and down and being selectively docked with the first conveyor belt (600); and

the mechanical arm (800) is installed on one side of the processing table (500), and the mechanical arm (800) is used for transferring the watch (20) to the jig assembly (400).

2. The line for slot marking according to claim 1, wherein said upper first conveyor belt (610) is mounted above said lower first conveyor belt (620) by a first bracket (630), said processing table (500) is mounted with a first lifting plate (640), said first lifting plate (640) is provided with said first conveyor belt (600), said first lifting plate (640) is raised or lowered on said table top (101) by a first lifting device; and/or the presence of a gas in the gas,

upper strata second transmission band (710) through the second support install in lower floor second transmission band (720) top, install second lifter plate (730) on processing platform (500), be equipped with on second lifter plate (730) second transmission band (700), second lifter plate (730) are in through second elevating gear mesa (101) rise or descend.

3. The assembly line for watchband marking according to claim 2, wherein said first lifting device comprises a plurality of lifting guide pillars (650), said plurality of lifting guide pillars (650) are disposed under said first lifting plate (640), said lifting guide pillars (650) comprise a first guide pillar (651) and a second guide pillar (652), said first guide pillar (651) is sleeved with said second guide pillar (652), said first guide pillar (651) is mounted at the bottom of said first lifting plate (640), and said second guide pillar (652) is mounted in said mounting table (100).

4. The assembly line for the groove marks of the watch of claim 3, characterized in that the first lifting device further comprises a lifting cylinder (660), the lifting cylinder (660) comprises a cylinder body (661) and a push rod (662) penetrating through one end of the cylinder body (661), the cylinder body (661) is installed in the installation table (100), the table top (101) is provided with a through hole, and the push rod (662) penetrates through the through hole and abuts against the bottom surface of the first lifting plate (640).

5. The line for the marking of a watch slot according to claim 4, characterized in that said robot (800) comprises a six-axis robot (810), said six-axis robot (810) comprising a robot arm (820), said robot arm (820) being provided with a gripping head (830), said gripping head (830) being provided with a plurality of gripping elements (831), said gripping elements (831) being intended to grip the watch (20).

6. The line for the watchmaking and slotting marking according to claim 5, characterized in that the gripping member (831) comprises a first connecting member (832), a second connecting member (833) and a vacuum nozzle (834), two ends of the first connecting member (832) are respectively connected with the second connecting member (833) and the gripper head (830), the other end of the second connecting member (833) is connected with the vacuum nozzle (834), and the second connecting member (833) is rotatable relative to the first connecting member (832).

7. The assembly line for marking meter slots according to any one of claims 1 to 6, wherein a plurality of connecting seats (410) are mounted on the table top (101), a plurality of jig assemblies (400) are mounted on the same connecting seat (410), and the connecting seats (410) are alternately rotated below the laser generator (310) by a rotating cylinder (420).

8. The assembly line for marking meter slots according to claim 7, wherein a jacking cylinder (430) is further installed on the table top (101), the connecting seat (410) is located between the laser generator (310) and the jacking cylinder (430), and the jacking cylinder (430) is used for jacking up the jig assembly (400).

9. The line for slot marking according to claim 8, characterized in that the end of said upper first conveyor belt (610) remote from said conveying line and the end of said upper second conveyor belt (710) remote from said first conveyor belt (600) are fitted with blocking means (670), said blocking means (670) being intended to block an article box (900) or a watch (20).

10. The assembly line for surface groove marking according to claim 8, wherein a limiting member and a limiting pushing cylinder (740) are further installed on the upper second conveying belt (710), the limiting member includes two limiting plates (750), the two limiting plates (750) are respectively installed on two side surfaces of the upper second conveying belt (710), a feed port (710a) is formed at one end of the two limiting plates (750) close to the first conveying belt (600), the feed port (710a) is in a flaring arrangement, the limiting plates (750) extend along the length direction of the upper second conveying belt (710), and the limiting plates (750) are electrically connected with the limiting pushing cylinder (740).

Technical Field

The invention relates to the technical field of watch production equipment, in particular to a production line for watch groove marks.

Background

The existing equipment for marking the watch grooves is characterized in that single equipment marks a single watch, a pipeline mode is not formed, each equipment needs a worker to discharge materials, the working period is long, more manpower is consumed, the working efficiency is low, the equipment is not beneficial to manufacturers to carry out large-scale watch groove marking work, and the watch processing and production are seriously influenced.

Disclosure of Invention

The invention mainly aims to provide a production line for marking surface grooves, aiming at improving the working efficiency of the surface groove marking.

In order to achieve the purpose, the assembly line for marking the meter slot comprises a plurality of marking units, wherein the marking units are connected end to end, each marking unit comprises an installation table, a conveying belt, a laser system, a processing table, a first conveying belt, a second conveying belt and a mechanical arm, and the installation table is provided with a table top; the conveying belt is arranged on the table top and used for conveying the watch or the material box; the laser system is arranged on the table top and positioned on one side of the conveyor belt, the laser system comprises a laser generator, the laser generator is used for marking a groove, and a jig assembly is arranged below the laser generator; the processing table is connected with the mounting table; the first conveying belt is arranged on the processing table and comprises an upper layer of first conveying belt and a lower layer of first conveying belt, the upper layer of first conveying belt and the lower layer of first conveying belt are arranged in a stacked mode, and the upper layer of first conveying belt and the lower layer of first conveying belt can move up and down and are selectively connected with the conveying belts; the second conveying belt is arranged on the processing table and comprises an upper layer of second conveying belt and a lower layer of second conveying belt, the upper layer of second conveying belt and the lower layer of second conveying belt are arranged in a stacked mode, and the upper layer of second conveying belt and the lower layer of second conveying belt can move up and down and are selectively connected with the first conveying belt; and the mechanical arm is arranged on one side of the processing table and is used for transferring the watch to the jig assembly.

Optionally, the upper layer first conveyor belt is mounted above the lower layer first conveyor belt through a first support, a first lifting plate is mounted on the processing table, the first conveyor belt is arranged on the first lifting plate, and the first lifting plate is lifted or lowered on the table top through a first lifting device; and/or, the upper second conveyer belt pass through the second support install in lower floor's second conveyer belt top, the processing bench is installed the second lifter plate, be equipped with on the second lifter plate the second conveyer belt, the second lifter plate is in through first elevating gear the mesa rises or descends.

Optionally, the first lifting device includes a plurality of lifting guide pillars, the plurality of lifting guide pillars are disposed below the first lifting plate, the lifting guide pillars include a first guide pillar and a second guide pillar, the first guide pillar is sleeved with the second guide pillar, the first guide pillar is mounted at the bottom of the first lifting plate, and the second guide pillar is mounted in the mounting table.

Optionally, the first lifting device further comprises a lifting cylinder, the lifting cylinder comprises a cylinder body and a push rod penetrating through one end of the cylinder body, the cylinder body is installed in the installation table, a through hole is formed in the table top, and the push rod penetrates through the through hole and is abutted to the bottom surface of the first lifting plate.

Optionally, the manipulator includes six manipulators, six manipulators include the arm, be equipped with on the arm and snatch the head, it snatchs the overhead a plurality of pieces of grabbing to be equipped with, it is used for snatching the wrist-watch to snatch the piece.

Optionally, the grabbing piece comprises a first connecting piece, a second connecting piece and a vacuum suction nozzle, two ends of the first connecting piece are respectively connected with the second connecting piece and the grabbing head, the other end of the second connecting piece is connected with the vacuum suction nozzle, and the second connecting piece is rotatable relative to the first connecting piece.

Optionally, the table board is provided with a plurality of connecting seats, the number of the jig assemblies is multiple, the jig assemblies are arranged on the same connecting seat, and the connecting seat rotates to the position below the laser generator alternately through a rotating cylinder.

Optionally, still install the jacking cylinder on the mesa, the connecting seat is located laser generator with between the jacking cylinder, the jacking cylinder is used for with tool subassembly jack-up.

Optionally, a blocking component is installed at one end of the upper first transmission belt far away from the transmission line and one end of the upper second transmission belt far away from the first transmission belt, and the blocking component is used for blocking the material box or the watch.

Optionally, still install locating part and spacing promotion cylinder on the upper second transmission band, the locating part includes two limiting plates, two the limiting plate install respectively in the both sides face of upper second transmission band, two the limiting plate is close to the one end of first transmission band is formed with the feed inlet, the feed inlet is the flaring setting, the limiting plate is followed the length direction of upper second transmission band extends, the limiting plate with spacing promotion cylinder electricity is connected.

According to the technical scheme, the conveying belt is arranged on the mounting table, the first conveying belt and the second conveying belt are arranged on the processing table, the conveying belt is connected with the first conveying belt, the first conveying belt is connected with the second conveying belt, the first conveying belt comprises an upper layer of first conveying belt and a lower layer of first conveying belt which are arranged in a stacked mode, the second conveying belt comprises an upper layer of second conveying belt and a lower layer of second conveying belt which are arranged in a stacked mode, the upper layer of first conveying belt and the lower layer of first conveying belt, the upper layer of second conveying belt and the lower layer of second conveying belt can move up and down, and conveyed watches or material boxes are reasonably distributed. This assembly line only needs a workman blowing on the conveyer belt, when the material box that is equipped with the wrist-watch moves the first conveyer belt in upper strata from the conveyer belt, first conveyer belt wholly risees, upper strata first conveyer belt and material box rise together, the first conveyer belt of lower floor plugs into with the second transmission band, subsequent material box on the conveyer belt can reach next mark unit through lower floor's first conveyer belt and second transmission band and beat the mark, so a plurality of mark units can beat the mark to the wrist-watch table groove simultaneously, degree of automation is high, not only improved the work efficiency that the table groove was marked, still saved the manpower greatly, the labour cost of enterprise has been reduced.

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 the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a marking unit according to an embodiment of the present invention;

FIG. 2 is a top view of the marking cell of FIG. 1;

FIG. 3 is a schematic structural diagram of a part of the marking unit in FIG. 1;

FIG. 4 is a schematic structural view of the marking unit (with the hood, the protective steel net and the protective door removed) of FIG. 1;

FIG. 5 is a schematic view of the structure of the mounting table portion of FIG. 4;

FIG. 6 is a schematic structural view of the jig assembly, the connecting base, the rotary cylinder, the jacking cylinder and the positioning assembly shown in FIG. 5;

FIG. 7 is a schematic view of the processing station portion of FIG. 4;

FIG. 8 is a schematic view of an embodiment of a second conveyor belt on the processing table according to the invention;

fig. 9 is a partial enlarged view of a portion a in fig. 4.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Marking unit	650	Lifting guide pillar
11	Protective steel mesh	651	First guide post
				12	Protective door	652	Second guide post
20	Watch (watch)	660	Lifting cylinder
				100	Mounting table	661	Cylinder body
101	Table top	662	Push rod
				110	Hood	670	Barrier assembly
111	Display device	700	Second conveying belt
				200	Conveyor belt	710	Second upper transmission belt
210	Feeding guide block	710a	Feed inlet
				300	Laser system	720	Lower second transmission band
310	Laser generator	730	Second lifting plate
				400	Jig assembly	740	Spacing pushing cylinder
410	Connecting seat	750	Limiting plate
				420	Rotary cylinder	800	Mechanical arm
430	Jacking cylinder	810	Six-shaft mechanical arm
				440	Positioning assembly	820	Mechanical arm
500	Processing table	830	Grabbing head
				600	First belt conveyor	831	Grasping member
610	Upper first conveyer belt	832	First connecting piece
				620	First lower layer transmission belt	833	Second connecting piece
630	First support	834	Vacuum suction nozzle
				640	First lifting plate	900	Material box
641	Positioning CCD assembly

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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

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

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a production line for marking a meter slot.

In the embodiment of the invention, as shown in fig. 1 to 4, the production line for marking the surface groove comprises a plurality of marking units 10, wherein the plurality of marking units 10 are connected end to end, the marking units 10 comprise a mounting table 100, a conveyor belt 200, a laser system 300, a jig assembly 400, a processing table 500, a first conveyor belt 600, a second conveyor belt 700 and a manipulator 800, and the mounting table 100 is provided with a table top 101; the conveyor belt 200 is mounted on the table top 101, and the conveyor belt 200 is used for conveying the watch 20 or the material box 900; the laser system 300 is arranged on the table top 101 and located on one side of the conveyor belt 200, the laser system 300 comprises a laser generator 310, the laser generator 310 is used for marking a groove, and a jig assembly 400 is arranged below the laser generator 310; the processing station 500 is docked with the mounting station 100; the first conveyor belt 600 is mounted on the processing table 500, the first conveyor belt 600 includes an upper first conveyor belt 610 and a lower first conveyor belt 620, the upper first conveyor belt 610 and the lower first conveyor belt 620 are stacked, and the upper first conveyor belt 610 and the lower first conveyor belt 620 are movable up and down and selectively connected to the conveyor belt 200; the second conveyor 700 is mounted on the processing table 500, the second conveyor 700 includes an upper second conveyor 710 and a lower second conveyor 720, the upper second conveyor 710 and the lower second conveyor 720 are stacked, and the upper second conveyor 710 and the lower second conveyor 720 can move up and down and are selectively connected with the first conveyor 600; and a manipulator 800, wherein the manipulator 800 is installed at one side of the processing table 500, and the manipulator 800 is used for transferring the watch 20 to the jig assembly 400.

Specifically, this an assembly line for table groove mark includes a plurality of mark units 10 of end to end, and a plurality of mark units 10 can mark the wrist-watch 20 table groove simultaneously, and wherein, a plurality of mark units 10 can only mark the same table groove of wrist-watch 20, also can mark the different table grooves of wrist-watch 20, and a plurality of mark units 10 of marking different table grooves can be a series of units, and this assembly line is constituteed to a plurality of series of units. The following description will be given by taking one marking unit 10 as an example.

As shown in fig. 4 to 5, the marking unit 10 comprises a mounting station 100, the mounting station 100 having a deck 101, the deck 101 having a conveyor belt 200 mounted thereon, the conveyor belt 200 having a feed opening at one end thereof through which the watch 20 or the material cassette 900 containing the watch 20 is passed to a first conveyor belt 600 of the conveyor belt 200. It is understood that the watch 20 or the material box 900 containing the watch 20 may be manually discharged or may be discharged by a material distributor. This conveyer belt 200 can include PVC belt and embedded motor, and embedded motor drive PVC belt removes, can install feeding guide block 210 at the dog-house of PVC belt, and two feeding guide block 210 are located the both sides of PVC belt for control wrist-watch 20 or material box 900's direction of transfer, and feeding guide block 210 can be the flaring setting in the dog-house, so that throw the material. The material box 900 may be used to load a plurality of watches 20 at the same time, or one material box 900 may be used to load one watch 20, and the material box 900 is used to load the watches 20 in consideration of the regular shape of the material box 900, the carrying on the conveyor belt 200 is stable, and the watches 20 are not easy to fall off the conveyor belt 200.

As shown in fig. 4 to 5, a laser system 300 and a jig assembly 400 are further mounted on the table 101, the laser system 300 includes a laser generator 310, and the laser generator 310 may be a laser generator 310 of ultraviolet laser, infrared laser, fiber laser, carbon dioxide laser, or the like. Below the laser generator 310, there is a jig assembly 400, and the jig assembly 400 is used to fix the watch 20 so as to align the watch slot of the watch 20 with the laser marking station. When the watch 20 is located at the laser marking station, the laser generator 310 generates laser beams, and the laser beams irradiate the inner wall of the upper surface groove of the jig component 400 to mark the watch groove.

An electrical board, a control box, and the like may be installed in the installation stage 100 as needed, and the control box is electrically connected to the laser generator 310. As shown in fig. 1 to 3, the mounting table 100 may be provided with a cover 110 for covering the laser system 300 and the jig assembly 400, etc., so as to prevent the laser beam from damaging the body of the worker and improve the safety of the production line. The display 111 may be installed beside the housing 110, the display 111 may swing up and down and left and right, the display 111 may be electrically connected to the control box, and the marking effect of the characters in the groove may be controlled by changing the laser parameters of the laser generator 310.

As shown in fig. 4 and 7, the processing station 500 which is interfaced with the mounting station 100 is mounted with a first conveyor belt 600 and a second conveyor belt 700, the first conveyor belt 600 includes an upper first conveyor belt 610 and a lower first conveyor belt 620, the upper first conveyor belt 610 and the lower first conveyor belt 620 are disposed in a stacked manner, and the upper first conveyor belt 610 and the lower first conveyor belt 620 can be simultaneously raised or lowered to be selectively interfaced with the conveyor belt 200. Similarly, the second conveyor 700 includes an upper second conveyor 710 and a lower second conveyor 720, the upper second conveyor 710 and the lower second conveyor 720 are stacked, and the upper second conveyor 710 and the lower second conveyor 720 can be raised or lowered simultaneously to selectively interface with the first conveyor 600. That is, the first transfer belt 600 is positioned between the transfer belt 200 and the second transfer belt 700, and is interfaced with the transfer belt 200 and the second transfer belt 700. Since the first conveying belt 600 and the second conveying belt 700 are both provided in two layers, one layer of the first conveying belt 600 is connected to one layer of the conveying belt 200 and the second conveying belt 700, respectively, so as to convey the material box 900. It should be noted that the upper first conveying belt 610 and the lower first conveying belt 620 are separately controlled and independently operated, and the upper second conveying belt 710 and the lower second conveying belt 720 are also separately controlled and independently operated. The upper layer first transmission belt 610 may include a PVC belt and an embedded motor, and the embedded motor drives the PVC belt to move so as to drive the watch 20 or the material box 900 on the PVC belt to transmit; the lower first transfer belt 620, the upper second transfer belt 710, and the lower second transfer belt 720 may be structured with reference to the upper first transfer belt 610.

As shown in fig. 1 to 2 and fig. 4, a machine station may be disposed on one side of the processing station 500, and a robot 800 is mounted on the machine station, and the machine station may be located on the same side of the conveyor 200 as the jig assembly 400, or the machine station and the jig assembly 400 may be located on different sides of the conveyor 200. The robot 800 is used to transfer the watch 20 to the jig assembly 400, and the machine and the jig assembly 400 may be located on the same side of the conveyor 200 in order to shorten the moving distance of the watch 20. The protection steel mesh 11 can be installed on one side of the machine platform far away from the processing platform 500, and the protection steel mesh 11 can be opened left and right, so that workers can conveniently enter the machine platform for debugging; the protective door 12 can be further installed on the processing table 500, the protective door 12 is transparent and can be opened, the protective door 12 is arranged opposite to the protective steel mesh 11, a relative processing space is formed between the protective door 12 and the protective steel mesh 11, the manipulator 800, the first transmission belt 600 and the second transmission belt 700 are all located in the processing space, and the protective door 12 and the protective steel mesh 11 can be connected with the hood 110 on the installation table 100 to form a relatively closed processing space. It will be appreciated that NG product strips can also be installed on the machine for future use to carry out rejects.

As shown in fig. 4 and 7, initially, the upper first conveying belt 610 of the first conveying belt 600 is in coplanar connection with the conveying belt 200 and the upper second conveying belt 710 respectively, when the material box 900 with the watch 20 enters from the conveying belt 200, the material box 900 moves to the upper first conveying belt 610, the upper first conveying belt 610 and the material box 900 are lifted and temporarily stored together, and the lower first conveying belt 620 is in coplanar connection with the conveying belt 200 and the upper second conveying belt 710 respectively to continuously provide a conveying route for the material box 900 moving later.

After the material box 900 is lifted for temporary storage, the manipulator 800 moves and grabs the watch 20 in the material box 900 on the first transmission belt 610 on the upper layer, the watch 20 is transferred to the jig assembly 400, the laser generating device marks the watch groove of the watch 20, at the moment, the second transmission belt 710 on the upper layer rises to be connected with the first transmission belt 610 on the upper layer, the second transmission belt 720 on the lower layer is connected with the first transmission belt 620 on the lower layer, and the lower layer can continue to provide a transmission route for the material box 900 moving behind. After the upper second conveyer belt 710 is connected to the upper first conveyer belt 610, the material box 900 above the upper first conveyer belt 610 is conveyed to the upper second conveyer belt 710, and the upper first conveyer belt 610 can be lowered back to the initial position.

After the watch 20 is marked, the manipulator 800 grabs and transfers the material into the material box 900 of the upper second conveying belt 710, and the upper second conveying belt 710 descends to the initial position, so that one marking period is completed. As shown in fig. 4, while the manipulator 800 returns the marked wristwatch 20 to the material box 900, the upper first transfer belt 610 lifts and temporarily stores the next material box 900 containing the marked wristwatch 20 for the next marking cycle. Therefore, the materials transmitted by the conveyor belt 200 are reasonably distributed, the waiting time of the manipulator 800 and the laser generator 310 is shortened, and the working efficiency of the assembly line surface groove mark is greatly improved.

According to the technical scheme, the conveyor belt 200 is mounted on the mounting table 100, the first conveyor belt 600 and the second conveyor belt 700 are mounted on the machining table 500, the conveyor belt 200 is connected with the first conveyor belt 600, the first conveyor belt 600 is connected with the second conveyor belt 700, the first conveyor belt 600 comprises an upper first conveyor belt 610 and a lower first conveyor belt 620 which are arranged in a stacked mode, the second conveyor belt 700 comprises an upper second conveyor belt 710 and a lower second conveyor belt 720 which are arranged in a stacked mode, the upper first conveyor belt 610, the lower first conveyor belt 620, the upper second conveyor belt 710 and the lower second conveyor belt 720 can move up and down, and conveyed watches 20 or material boxes 900 are reasonably distributed. One assembly line only needs a worker to discharge materials on the conveyor belt 200, when the material box 900 with the watch 20 is moved to the upper first conveyor belt 610 from the conveyor belt 200, the first conveyor belt 600 integrally rises, the upper first conveyor belt 610 and the material box 900 rise together, the lower first conveyor belt 620 is connected with the second conveyor belt 700, the subsequent material box 900 on the conveyor belt 200 can reach the next marking unit 10 to mark through the lower first conveyor belt 620 and the second conveyor belt 700, so that the plurality of marking units 10 can mark the watch slot 20 at the same time, the automation degree is high, the work efficiency of marking the watch slot is improved, the manpower is greatly saved, and the labor cost of enterprises is reduced.

Further, as shown in fig. 7 to 8, in an embodiment, the upper first conveyor belt 610 is mounted above the lower first conveyor belt 620 through a first bracket 630, a first lifting plate 640 is mounted on the processing table 500, the first conveyor belt 600 is arranged on the first lifting plate 640, and the first lifting plate 640 is lifted or lowered on the table top 101 through a first lifting device; and/or, the upper second conveying belt 710 is installed above the lower second conveying belt 720 through a second support, a second lifting plate 730 is installed on the processing table 500, the second conveying belt 700 is arranged on the second lifting plate 730, and the second lifting plate 730 is lifted or lowered by the second lifting device on the table top 101.

The upper first conveyor belt 610 and the lower first conveyor belt 620 are stacked, the upper first conveyor belt 610 is fixed on the lower first conveyor belt 620 through the first support 630, the first lifting plate 640 is installed on the processing table 500, the first conveyor belt 600 is arranged on the first lifting plate 640, the first lifting plate 640 is controlled to lift through the first lifting device, and the upper first conveyor belt 610 and the lower first conveyor belt 620 are controlled to move up and down. When the first lifting device lifts the first lifting plate 640 relative to the table top 101, the upper first conveyor belt 610 and the lower first conveyor belt 620 are lifted simultaneously, the upper first conveyor belt 610 leaves the initial position, and the lower first conveyor belt 620 is connected with the conveyor belt 200 and the second conveyor belt 700 respectively; then, the first lifting device lowers the first lifting plate 640, the upper first conveyor belt 610 and the lower first conveyor belt 620 are lowered at the same time, the upper first conveyor belt 610 returns to the initial position, and at this time, the upper first conveyor belt 610 is respectively connected with the conveyor belts 200 and the second conveyor belt 700.

Similarly, the second conveyor 700 controls the second lifting plate 730 to lift up and down by the second lifting device, so as to control the upper and lower second conveyor belts 710 and 720 to move up and down. Those skilled in the art can understand that the structure of the second lifting device can refer to the structure of the first lifting device, and has the beneficial effects brought by the technical solutions of the corresponding embodiments, which are not described in detail herein. The following description will be made by taking the first lifting device as an example.

Specifically, as shown in fig. 7, in an embodiment, the first lifting device includes a plurality of lifting guide pillars 650, the plurality of lifting guide pillars 650 are disposed below the first lifting plate 640, the lifting guide pillars 650 include a first guide pillar 651 and a second guide pillar 652, the first guide pillar 651 is sleeved in the second guide pillar 652, the first guide pillar 651 is mounted at the bottom of the first lifting plate 640, and the second guide pillar 652 is mounted in the mounting table 100.

The first guide post 651 may be sleeved in the second guide post 652, and partially extends out of or is partially sleeved in the second guide post 652 through the first guide post 651, so as to control the distance between the first lifting plate 640 and the mounting table 100, and further raise or lower the first conveying belt 600. The plurality of lift pins 650 may be uniformly distributed under the first lift plate 640, or may be non-uniformly distributed under the first lift plate 640, and the plurality of lift pins 650 may be uniformly distributed around the bottom of the first lift plate 640 in order to uniformly apply a force to the mounting table 100.

As shown in fig. 7, in an embodiment, the first lifting device further includes a lifting cylinder 660, the lifting cylinder 660 includes a cylinder body 661 and a push rod 662 penetrating through one end of the cylinder body 661, the cylinder body 661 is installed in the installation table 100, the table top 101 is provided with a through hole, and the push rod 662 penetrates through the through hole and abuts against the bottom surface of the first lifting plate 640.

Because the cylinder body 661 of the elevating cylinder 660 is installed in the installation table 100, the push rod 662 of the elevating cylinder 660 abuts against the bottom surface of the first elevating plate 640, and the first elevating plate 640 is driven to move up and down by the push rod 662 moving relative to the cylinder body 661, thereby controlling the first conveying belt 600 on the first elevating plate 640 to ascend or descend. The elevating cylinder 660 may be installed at an intermediate position of the bottom of the first elevating plate 640 in consideration of smooth movement of the first elevating plate 640.

Further, as shown in fig. 4 and 9, in an embodiment, the robot 800 includes a six-axis robot 810, the six-axis robot 810 includes a robot 820, a grabbing head 830 is disposed on the robot 820, a plurality of grabbing parts 831 are disposed on the grabbing head 830, and the grabbing parts 831 are configured to grab the watch 20.

This six-axis manipulator 810 utilizes the rotation and the removal of x, y, z axle to operate, has six degrees of freedom actions, through grabbing on the head 830 piece 831, can pick up the wrist-watch 20 of arbitrary orientation on the horizontal plane, puts into tool subassembly 400 with certain angle on, has further improved the degree of automation of this assembly line, has greatly reduced workman's intensity of labour, has saved the manpower.

As shown in fig. 4 and 9, in an embodiment, the grasping element 831 includes a first connecting element 832, a second connecting element 833 and a vacuum nozzle 834, two ends of the first connecting element 832 are respectively connected to the second connecting element 833 and the grasping head 830, the other end of the second connecting element 833 is connected to the vacuum nozzle 834, and the second connecting element 833 is rotatable relative to the first connecting element 832.

Because the second connecting piece 833 can rotate relative to the first connecting piece 832, the watch 20 on the vacuum suction nozzle 834 can be rotated to a certain angle, so that the watch 20 is put on the jig assembly 400 or in the material box 900, and the automation degree of the assembly line is further improved. Meanwhile, the watch 20 is sucked or released through the vacuum suction nozzle 834, so that the situation that the watch 20 is damaged due to the fact that the grabbing piece 831 is in rigid contact with the watch 20 is avoided, and the watch 20 is protected. Further, to protect the watch 20, the second link 833 may be spring-cushioned.

In order to further improve the working efficiency of the surface groove mark, as shown in fig. 5 to 6, in an embodiment, the table top 101 is provided with a plurality of connecting seats 410, the number of the jig assemblies 400 is multiple, the jig assemblies 400 are mounted on the same connecting seat 410, and the connecting seats 410 are alternately rotated to the lower side of the laser generator 310 by the rotating cylinder 420.

When the quantity of tool subassembly 400 is two, two tool subassemblies 400 are all installed on same connecting seat 410, through rotatory cylinder 420 swivelling joint seat 410 to with two tool subassemblies 400 on the connecting seat 410 respectively alternate the mark station of rotatory laser generator 310 below, and then accomplish the mark operation in table groove, shortened laser generator 310's latency, improved the work efficiency of this assembly line table groove mark. It can be understood that, in order to further improve the work efficiency of the watch groove mark, a plurality of laser generators 310 may be installed on the table 101, each laser generator 310 corresponds to a plurality of jig assemblies 400, and the plurality of laser generators 310 mark the watch 20 groove on the corresponding jig assembly 400 at the same time, thereby greatly improving the work efficiency of the watch groove mark of the assembly line.

On the basis of the above embodiments, as shown in fig. 5 to 6, in an embodiment, a jacking cylinder 430 is further installed on the table top 101, the connecting seat 410 is located between the laser generator 310 and the jacking cylinder 430, and the jacking cylinder 430 is used for jacking up the jig assembly 400.

Highly probably different when different tool subassembly 400 rotates to laser generator 310 below, sets up jacking cylinder 430 through the bottom at connecting seat 410, with the tool subassembly 400 jack-up of laser generator 310 below, adjusts the high position of tool subassembly 400 for the distance in groove keeps unanimous on laser beam to tool subassembly 400 that laser generator 310 produced, guarantees the benchmark uniformity, thereby guarantees laser marking's effect.

It is understood that, as shown in fig. 6, a positioning assembly 440 may be mounted on the table 101, the positioning assembly 440 being located below the laser generator 310, the positioning assembly 440 including a positioning frame and a positioning table provided thereon. When jacking cylinder 430 promoted jack-up tool subassembly 400, tool subassembly 400 or wrist-watch 20 and location platform butt further keep laser beam to the distance in table groove unanimous, reduce the error because of the product tolerance brings.

When the manipulator 800 sucks the watch 20, the manipulator 800 may move along with the transfer of the material box 900 on the first conveyor belt 600, or the manipulator 800 does not move along with the first conveyor belt 600, as shown in fig. 7, in an embodiment, a blocking assembly 670 is installed at one end of the upper first conveyor belt 610 far away from the conveyor line and one end of the upper second conveyor belt 710 far away from the first conveyor belt 600, and the blocking assembly 670 is used for blocking the material box 900 or the watch 20.

The upper first belt 610 blocks the material cartridge 900 or the wristwatch 20 by the blocking member 670, the material cartridge 900 or the wristwatch 20 is in a stationary state with respect to the station 500, and the robot 800 can grasp the wristwatch 20 without moving along with the movement of the first belt 600, thereby preventing the robot 800 from colliding with the station 500 or the mounting station 100. The upper second conveyor belt 710 blocks the material box 900 by the blocking assembly 670, and waits for the robot arm 800 to put the marked watch 20 into the material box 900.

The structure that should block subassembly 670 has the multiple, takes the first conveyer belt 610 of upper strata as an example, blocks subassembly 670 and can block the support including installing in the first conveyer belt 610 one side of upper strata, blocks to install on the cylinder support and blocks the cylinder, blocks to be connected with on the cylinder and blocks the piece, blocks the decline or the rising of piece through blocking the cylinder control to block or let pass material box 900 or wrist-watch 20.

As shown in fig. 7, a positioning CCD assembly 641 may be installed on the first lifting plate 640, and the position of the watch 20 is obtained by moving the positioning CCD assembly 641 left and right, so that the robot 800 can grasp and adjust the position of the product. This location CCD subassembly 641 can be equipped with mobilizable CCD mounting including the installation with the removal sharp module on the first lifter plate 640 on the removal sharp module, install CCD light source and CCD camera on the CCD mounting. In addition, a scanning CCD assembly may be further mounted on the first lifting plate 640 to scan the material box 900 or the watch 20 to obtain product marking information. After the manipulator 800 grabs the plurality of watches 20, the plurality of watches 20 sequentially pass through the scanning CCD assembly to complete the scanning work. It is understood that the positioning CCD assembly 641 and the scanning CCD assembly may also be mounted on the processing table 500.

When laser generator 310 marks watch 20, under the effect that blocks subassembly 670, upper second transmission band 710 operates, but material box 900 is static relatively, in order to make material box 900 remain stable on upper second transmission band 710, as shown in fig. 8, in an embodiment, still install locating part and spacing promotion cylinder 740 on upper second transmission band 710, the locating part includes two limiting plates 750, two limiting plate 750 install respectively in the both sides face of upper second transmission band 710, two limiting plate 750 is close to the one end of first transmission band 600 is formed with feed inlet 710a, feed inlet 710a is the flaring setting, limiting plate 750 follows the length direction extension of upper second transmission band 710, limiting plate 750 with spacing promotion cylinder 740 electricity is connected.

The limiting plate 750 is used for limiting the material box 900, and the limiting pushing cylinder 740 can drive the two limiting plates 750 to approach each other, so that the position of the material box 900 on the upper second conveying belt 710 is further limited, and the material box 900 is prevented from shifting on the upper second conveying belt 710, and the material box 900 is prevented from falling off from the upper second conveying belt 710. In addition, a feeding hole 710a with a flaring is formed at one end, close to the first conveying belt 600, of the two limiting plates 750, when the material box 900 is conveyed to the feeding hole 710a, the material box 900 enters the two limiting plates 750, and the material box 900 is prevented from falling due to interference of the limiting plates 750. It will be appreciated that two stop plates 750 may be provided on the upper first belt 610 to stop the material case 900 or the watch 20.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.