CN210476455U

CN210476455U - Automatic grinding production line

Info

Publication number: CN210476455U
Application number: CN201921156066.4U
Authority: CN
Inventors: 范光得
Original assignee: Kunshan Hengda Precision Machinery Industry Co ltd
Current assignee: Kunshan Hengda Precision Machinery Industry Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-08
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses an automatic grinding production line, which comprises a feeding device, a plurality of grinding machines, a cleaning machine and a discharging device which are arranged according to the processing flow, and also comprises a first conveying device and a second conveying device, wherein the workpiece to be ground is conveyed from the feeding device to the grinding machine by the first conveying device, and the ground workpiece is conveyed from the grinding machine to the cleaning machine by the second conveying device; the production line also comprises a control system and a control cabinet, the control system is arranged in the control cabinet, and the grinding machine comprises a tool changing device. The utility model discloses a to the design of loading attachment, grinding machine, cleaning machine, unloader, first handling device and second handling device etc. can realize the continuous automated production of sheet, collect the material loading of sheet, grind, wash and unloading function in an organic whole, the integrated level is high, improves production efficiency and product quality, realizes alone multimachine.

Description

Automatic grinding production line

Technical Field

The utility model belongs to the technical field of automation equipment, in particular to automatic grinding equipment suitable for work piece grinds in succession.

Background

There are many types of workpieces in the machining process, wherein the sheet workpiece has many kinds, such as a glass plate, a light guide plate, a light reflection plate or a diffusion plate, etc., and taking the glass plate as an example, when the glass plate is applied to a mobile phone, the glass plate has a particularly high requirement on indexes such as smoothness of the edge of the glass plate, etc., while the existing grinding process of the edge of the mobile phone glass plate does not realize fully automatic and continuous production.

In addition, after the edges of a certain number of glass plates are machined and ground, the grinding tool is abraded, the tool is manually exchanged at present, and the machine needs to be stopped, so that firstly, the labor is increased, and the cost is increased; secondly, the machine halt can influence the continuity of production and reduce the production efficiency.

In addition, after the edges of the glass plates are processed, the glass plates are likely to be stained and dirty, which requires cleaning of the glass plates, and at present, no equipment capable of continuously cleaning the glass plates on line exists.

Therefore, there is a need to develop an automatic grinding production line to overcome the above disadvantages and realize fully automatic and intelligent continuous production of sheets.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an automatic grinding production line, through to loading attachment, the design of machine, cleaning machine, unloader, first handling device and second handling device etc. can realize the continuous automated production of sheet, collects the material loading of sheet, grinds, washs and unloading function in an organic whole, and the integrated level is high, improves production efficiency and product quality, realizes alone multimachine.

In order to solve the technical problem, the utility model discloses a technical scheme be: the automatic grinding production line comprises a feeding device, a plurality of grinding machines, a cleaning machine, a discharging device, a first conveying device and a second conveying device, wherein the grinding machines are positioned at the downstream of the feeding device, the cleaning machine is positioned at the downstream of the grinding machines, the discharging device is positioned at the downstream of the cleaning machine, a workpiece to be machined is conveyed from the feeding device to the grinding machines through the first conveying device, and the machined workpiece is conveyed to the cleaning machine through a first plate conveying device;

the grinding machine comprises a machine table, a grinding device arranged on the machine table, a sliding workbench and a tool changing device;

the machine table is also provided with a Y-direction power supply unit capable of driving the grinding device to translate along the Y direction and a Z-direction power supply unit capable of driving the grinding device to translate along the Z direction;

the machine table is also provided with an X-direction power supply unit which can drive the sliding workbench to translate along the X direction;

the tool changing device comprises a tool rest assembly for placing a tool, a first power supply mechanism for driving the tool rest assembly to translate and a grabbing mechanism for grabbing the tool, the tool rest assembly is pushed to translate through the first power supply mechanism, and the tool is grabbed through the grabbing mechanism;

the production line further comprises a control system and a control cabinet, the control system is arranged in the control cabinet, and the feeding device, the grinding machines, the cleaning machine, the discharging device, the first conveying device and the second conveying device are all connected with the control system.

In order to solve the technical problem, the utility model discloses a further technical scheme is: the tool rest assembly comprises a tool rest used for placing a tool, a ratchet slide rail and a ratchet assembly matched with the ratchet slide rail, the ratchet assembly is mounted on the tool rest, the tool rest and the ratchet slide rail are arranged in parallel, the first power supply mechanism can drive the tool rest assembly to translate, and the tool rest is driven to translate through the engagement of ratchets of the ratchet slide rail and ratchets of the tool rest assembly.

The ratchet assembly comprises a ratchet block, a ratchet block mounting seat and a return spring, the ratchet block mounting seat is mounted on the tool rest, the ratchet block is mounted on the ratchet block mounting seat, one end of the return spring abuts against the ratchet block, and the other end of the return spring abuts against the ratchet block mounting seat.

The feeding device and the discharging device comprise a rack, and a workpiece grabbing mechanism, a material tray placing mechanism and a sliding material discharging mechanism which are arranged on the rack;

the sliding discharging mechanism is connected with the bottom of the rack in a sliding mode and can be in butt joint with the material tray placing mechanism;

the feeding device and the discharging device both further comprise an X-direction driving unit which is arranged on the rack and can drive the workpiece grabbing mechanism and the material tray grabbing mechanism to translate along the X direction, a Y-direction driving unit which can drive the workpiece grabbing mechanism and the material tray grabbing mechanism to translate along the Y direction, and a first Z-direction driving unit which can drive the material tray placing mechanism to translate along the Z direction;

the workpiece grabbing mechanism, the material tray placing mechanism, the X-direction driving unit, the Y-direction driving unit and the first Z-direction driving unit are respectively connected with the control system.

Further, the sliding discharging mechanism comprises a discharging platform and a linear module, the discharging platform is connected with the rack through the linear module, and the discharging platform can move in a reciprocating mode along the bottom of the rack under the action of the linear module.

The cleaning machine comprises a workbench and a rolling frame arranged on the workbench, wherein the rolling frame is provided with a cleaning device and a drying device, the drying device is positioned at the downstream of the cleaning device, and the conveying of workpieces to be cleaned is realized through the rolling frame;

the rolling frame comprises driving shafts arranged in rows, driven shafts arranged in rows, a transmission structure and a driving motor for driving the transmission structure to move, and the driving shafts and the driven shafts are driven to rotate through the driving motor through the driving transmission structure so as to drive a workpiece to be processed to move;

the cleaning device comprises a cleaning structure, the drying device comprises a drying structure, and the cleaning structure and the drying structure are both aligned to the rolling frame.

Further, the transmission structure includes transmission shaft and first magnetism gear, first magnetism gear install in the transmission shaft, each the second magnetism gear is all installed to the one end of driving shaft, rotates through driving motor drive transmission shaft and second magnetism gear, through the effect between first magnetism gear and the second magnetism gear to drive driving shaft and driven shaft rotation.

Further, the cleaning structure and/or the drying structure each comprise an upper plate and a lower plate, and the upper plate and the lower plate are overlapped; the joint of one side of the upper plate and the lower plate is provided with a moisture inlet, and the other side of the upper plate and the lower plate is provided with a moisture outlet.

The grinding device comprises a grinding motor, a cutter, a grinding motor fixing seat and a spindle, wherein the grinding motor is fixed on the grinding motor fixing seat, the spindle is connected with the grinding motor, the cutter is installed at the end of the spindle, and the grinding motor is electrically connected with the control system.

The first conveying device and the second conveying device comprise a cross beam, a Y-direction conveying driving unit, a Z-direction conveying driving unit and a conveying grabbing component, wherein the Y-direction conveying driving unit, the Z-direction conveying driving unit and the conveying grabbing component are mounted on the cross beam;

the Y-direction conveying driving unit and the Z-direction conveying driving unit are both connected with the control system.

The utility model has the advantages that:

the utility model discloses a loading attachment, grind the machine, the cleaning machine, the unloader, first handling device and second handling device, under control system's effect, the sheet that waits to process is through loading attachment material to blowing platform, later under the effect of first handling device, carry the sheet to each grinding machine and grind, after grinding, under the effect of second handling device, carry the sheet to the cleaning machine and wash and dry, later, the material handling mechanism of cleaning machine carries the sheet after the cleanness to the unloader, realize the whole grinding cleaning process of sheet; the utility model discloses a to the design of loading attachment, grinding machine, cleaning machine, unloader, first handling device and second handling device etc. can realize the continuous automated production of sheet, collect the material loading of sheet, grind, wash and the unloading function in an organic whole, the integrated level is high, improves production efficiency and product quality, realizes one person multimachine, is particularly useful for the cell-phone glass board grinding process, realizes the full automatization, intellectuality and the serialization of the grinding of cell-phone glass board;

furthermore, because the utility model discloses a grind the machine and be equipped with tool changer, the interior predetermined data of control system of deuterogamying, can be after processing the work piece of certain quantity, the cutter that will use is lost, X targets in place to power supply unit drive slip workstation, later second power provides mechanism drive gas claw and snatchs the cutter, later remove to grinder department under X provides the drive of unit to power again, through the automatic pneumatic loading and unloading function of main shaft from the area, snatch unused cutter, can realize the change of cutter, it is automatic, convenient, and fast, do benefit to the automation and the serialization that realize the course of working.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

FIG. 1 is a view showing the appearance of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is one of the overall structural schematic diagrams of the feeding device and the discharging device of the present invention;

fig. 4 is a second schematic view of the overall structure of the feeding device and the discharging device of the present invention;

fig. 5 is a schematic structural view of the sliding discharging mechanism of the feeding device and the discharging device of the present invention;

fig. 6 is one of the schematic structural diagrams of the workpiece grabbing mechanism of the feeding device and the discharging device of the present invention;

fig. 7 is a second schematic structural view of the workpiece grabbing mechanism of the feeding device and the discharging device of the present invention;

FIG. 8 is an external view of the grinder of the present invention (taking two sets of grinding devices as an example);

FIG. 9 is one of the schematic structural views of the grinding machine of the present invention;

fig. 10 is a partial enlarged view of a portion a of fig. 9;

FIG. 11 is a second schematic view of the grinder of the present invention;

fig. 12 is one of the schematic structural views of the tool changer of the present invention;

fig. 13 is a second schematic structural view of the tool changer of the present invention;

fig. 14 is a third schematic structural view of the tool changer of the present invention;

FIG. 15 is a view showing an appearance structure of the washing machine of the present invention;

FIG. 16 is a schematic view of the cleaning machine of the present invention;

fig. 17 is a partially enlarged view of a portion B1 of fig. 16;

fig. 18 is a partial enlarged view of a portion B2 of fig. 16;

FIG. 19 is a front view of the rolling frame of the cleaning machine of the present invention (the elastic washer is not completely installed);

fig. 20 is a schematic structural view of the cleaning structure or the drying structure of the present invention;

fig. 21 is an exploded view of the protective cover of the present invention:

fig. 22 is a schematic structural view of the first and second conveying devices of the present invention;

the parts in the drawings are marked as follows:

the automatic feeding device comprises a feeding device 100, a rack 110, a guide post 1101, a workpiece grabbing mechanism 120, a first grabbing assembly 1201, a second Z-direction driving unit 1202, a tray grabbing mechanism 130, a second grabbing assembly 1301, a third Z-direction driving unit 1302, a tray placing mechanism 140, a lifting platform 1401, a tray 1402, a pit 14021, a sliding discharging mechanism 150, a discharging platform 1501, a slide block 15021, a rail 15022, an X-direction driving unit 160 and a first Z-direction driving unit 170;

the grinding machine 200, the machine table 210, the grinding device 220, the grinding motor 2201, the spindle 22011, the cutter 2202, the grinding motor fixing seat 2203, the sliding workbench 230, the objective table 2301, the cutter changing device 240, the cutter holder assembly 2401, the cutter holder 24011, the cutter inserting groove 240111, the ratchet slide rail 24012, the ratchet assembly 24013, the ratchet block 24014, the ratchet block mounting seat 24015, the cutter holder upper portion 24016, the cutter holder lower portion 24017, the gap 24018, the first power supply mechanism 2402, the gripping mechanism 2403, the air claw 24031, the second power supply mechanism 24032, the first Y-direction power supply unit 250, the Z-direction power supply unit 260, the visual collection unit 270, the positioning device 280 and the waterproof cover 290;

the cleaning machine 300, the workbench 310, the cleaning device 320, the cleaning structure 3201, the upper plate 32011, the lower plate 3202, the water-air inlet 3203, the drying device 330, the drying structure 3301, the rolling frame 340, the driving shaft 3401, the driven shaft 3402, the driving motor 3403, the transmission shaft 3404, the first magnetic gear 3405, the second magnetic gear 3406, the groove 3407, the elastic gasket 3408, the protective cover 350, the partition 3501, the first material handling mechanism 360, the first Y-direction driving mechanism 3601, the first Z-direction driving mechanism 3602, the second material handling mechanism 370, the second Y-direction driving mechanism 3701, the second Z-direction driving mechanism 3702, the material taking assembly 3703 and the transfer platform 380;

a workpiece 400 and a blanking device 500;

a first conveyance device 600, a cross beam 601, a Y-direction conveyance drive unit 602, a Z-direction conveyance drive unit 603, and a conveyance grasping unit 604;

a second conveyance device 700 and a control cabinet 800.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.

Example (b): an automatic grinding production line, as shown in fig. 1 and 2, comprises a feeding device 100, a plurality of grinding machines 200, a cleaning machine 300, a blanking device 500, a first conveying device 600 and a second conveying device 700, wherein the grinding machines are positioned at the downstream of the feeding device, the cleaning machine is positioned at the downstream of the grinding machines, the blanking device is positioned at the downstream of the cleaning machine, a workpiece 400 to be processed is conveyed from the feeding device to the grinding machines through the first conveying device, and the processed workpiece is conveyed to the cleaning machines through the first plate conveying device;

as shown in fig. 1, the production line further includes a control system and a control cabinet 800, the control system is disposed in the control cabinet, and the feeding device, the plurality of grinding machines, the cleaning machine, the discharging device, the first conveying device and the second conveying device are all connected to the control system.

In this embodiment, as shown in fig. 2, the feeding device and the discharging device are both provided with a transfer platform 380.

As shown in fig. 3 to 7, each of the feeding device and the discharging device includes a frame 110, and a workpiece grabbing mechanism 120, a tray grabbing mechanism 130, a tray placing mechanism 140, and a sliding material discharging mechanism 150 mounted on the frame;

the sliding discharging mechanism 150 is connected with the bottom of the rack in a sliding manner, and can be in butt joint with the tray placing mechanism;

the feeding device 100 and the discharging device 100 both further include an X-direction driving unit 160 disposed on the rack and capable of driving the workpiece grabbing mechanism and the tray grabbing mechanism to translate along the X-direction, a Y-direction driving unit (not shown) capable of driving the workpiece grabbing mechanism and the tray grabbing mechanism to translate along the Y-direction, and a first Z-direction driving unit 170 capable of driving the tray placing mechanism to translate along the Z-direction;

As shown in fig. 5, the sliding discharging mechanism 150 includes a discharging platform 1501 and a linear module, the discharging platform is connected to the rack through the linear module, and under the action of the linear module, the discharging platform can move in a reciprocating manner along the bottom of the rack. In this embodiment, the linear module is a slider 15021 and a track 15022 cooperating with the slider, but is not limited thereto. The blanking table is also provided with a guide pillar 1101.

As shown in fig. 3, the tray placing mechanism 140 includes a lifting platform 1401, which can be abutted against the material placing platform of the sliding material placing mechanism and is driven by a first Z-direction driving unit to move up and down. The frame is also provided with a guide post 1101.

The charging tray placing mechanism and the sliding discharging mechanism are respectively provided with at least two groups.

As shown in fig. 6, the workpiece gripping mechanism 120 includes a first gripping assembly 1201 for gripping a workpiece and a second Z-drive unit 1202 capable of driving the first gripping assembly to translate in the Z-direction.

As shown in fig. 7, the tray gripping mechanism 130 includes a second gripping assembly 1301 for gripping the tray and a third Z-direction driving unit 1302 capable of driving the second gripping assembly to translate in the Z-direction. In this embodiment, the first grabbing component and the second grabbing component both suck the workpiece or the tray through the vacuum chuck, but are not limited thereto.

The first Z-direction driving unit, the X-direction driving unit and the Y-direction driving unit are all servo motors and lead screw transmission structures.

As shown in fig. 3, the tray 1402 placed by the tray placing mechanism is a plastic tray.

The tray has a plurality of pockets 14021 in which the work pieces can be placed.

The workpiece is a mobile phone light guide plate, a mobile phone glass plate or a mobile phone rear cover.

In this embodiment, the second Z-direction driving unit and the third Z-direction driving unit are both air cylinders, but are not limited thereto.

In this embodiment, the charging tray placing mechanism is equipped with four groups, and the quantity of charging tray placing mechanism sets up as required.

The feeding device in this embodiment and unloader all adopt the blowing platform of slip drop feed mechanism and the elevating platform butt joint of charging tray placement mechanism to and the unloading of the charging tray that adopts the blowing platform realization of slidingtype to stack, compare in the mode of adopting the dolly to dock with the elevating platform and go up the mode of unloading, the utility model discloses a blowing platform takes out and propulsive mode, and the butt joint of blowing platform and elevating platform is more accurate, can not squint, and is lighter relatively, laborsaving.

As shown in fig. 8 and 9, the grinding machine includes a machine table 210, and a grinding device 220, a sliding table 230 and a tool changer 240 provided on the machine table;

the machine table is further provided with a Y-direction power supply unit 250 capable of driving the grinding device to translate along the Y direction and a Z-direction power supply unit 260 capable of driving the grinding device to translate along the Z direction;

the machine table is also provided with an X-direction power supply unit (not shown) capable of driving the sliding workbench to translate along the X direction;

as shown in fig. 12 to 14, the tool changer 240 includes a tool rest assembly 2401 for placing a tool 2202, a first power supply mechanism 2402 for driving the tool rest assembly to translate, and a grasping mechanism 2403 for grasping the tool, and the tool rest assembly is pushed to translate by the first power supply mechanism and the tool is grasped by the grasping mechanism.

As shown in fig. 12-13, the carriage assembly 2401 includes a carriage 24011 for holding a tool 2202, a ratchet slide 24012 mounted to the carriage, the carriage being disposed parallel to the ratchet slide, and a ratchet assembly 24013 cooperating with the ratchet slide, the first power supply mechanism being capable of driving the carriage assembly in translation, the carriage being driven in translation by the ratchet teeth of the ratchet slide engaging with the ratchet teeth of the carriage assembly.

In this embodiment, the first power supply mechanism is an air cylinder capable of driving the tool rest assembly to translate along the Y direction.

In the embodiment, the tooth spacing of the ratchet slide rail is matched with the spacing between the adjacent knife inserting grooves arranged on the knife rest.

As shown in fig. 12-13, the ratchet assembly includes a ratchet block 24014, a ratchet block mount 24015 mounted to the tool holder, and a return spring (not shown) having one end abutting against the ratchet block and the other end abutting against the ratchet block mount.

As shown in fig. 9, the grinding apparatus 220 includes a grinding motor 2201, a tool 2202, a grinding motor holder 2203 and a spindle 22011, the grinding motor is fixed to the grinding motor holder, the spindle is connected to the grinding motor, the tool is mounted at an end of the spindle 22011, and the grinding motor is electrically connected to the control system.

As shown in fig. 8, in this embodiment, a vision collecting unit 270, such as an industrial camera, is further disposed at the grinding device.

As shown in fig. 12 to 14, the tool holder has a plurality of insert pockets 240111 arranged at regular intervals, and tools can be inserted into the insert pockets.

As shown in fig. 12, the gripping mechanism 2403 includes an air gripper 24031 for gripping a tool and a second power supply mechanism 24032 capable of driving the air gripper to translate, and the gripping mechanism is mounted on the slide table. In this embodiment, the second power supply mechanism is a cylinder capable of driving the air gripper to translate along the X direction.

As shown in fig. 14, the tool holder includes an upper tool holder portion 24016 and a lower tool holder portion 24017, a gap 24018 is provided between the upper tool holder portion and the lower tool holder portion, and the grasping mechanism grasps the tool by grasping a section of the tool exposed in the gap.

The slide table has a chute (not shown) for placing used knives.

The slide table comprises an object table 2301 for placing a workpiece to be machined, and the frame is further provided with a positioning device 280 for positioning the workpiece.

The positioning device comprises positioning mechanisms positioned on two adjacent side edges of the workpiece, and the workpiece is limited by the positioning mechanisms. (the specific structure and principle of the two positioning mechanisms are described in patent 2018207325703 of the applicant-general type precision positioning mechanism).

In this embodiment, the spindle on which the tool is mounted is a spindle with a tool pneumatic loading and unloading function, such as a pneumatic spindle, which is the prior art and therefore is not described in detail.

A waterproof cover 290 is also arranged at the grabbing component. In this embodiment, a waterproof cover is also disposed at the positioning device.

The periphery of the machine table is also provided with a waterproof cover, the grinding device is also provided with the waterproof cover, and the waterproof cover protects each mechanism and prevents the mechanism from being wetted by liquid used in processing engineering.

Because the grinding machine of the embodiment is provided with the tool changing device and is matched with the preset data in the control system, after a certain number of workpieces are processed, the used tools can be discarded, the power supply unit is driven by the X direction to drive the sliding workbench to be in place, then the second power supply mechanism drives the air claw to grab the tools, and then the tools are driven by the power supply unit in the X direction to move to the grinding device.

As shown in fig. 15 to 21, the washing machine includes a worktable 310 and a rolling stand 340 provided on the worktable, the rolling stand is provided with a washing device 320 and a drying device 330, and the drying device is located downstream of the washing device, and the conveying of the workpiece 400 to be cleaned is realized through the rolling stand;

the rolling frame 340 comprises driving shafts 3401 arranged in rows, driven shafts 3402 arranged in rows, a transmission structure and a driving motor 3403 for driving the transmission structure to move, and the driving motor drives the driving shafts and the driven shafts to rotate through the driving transmission structure so as to drive a workpiece to be processed to move;

the cleaning device comprises a cleaning structure 3201, the drying device comprises a drying structure 3301, and the cleaning structure and the drying structure are both aligned with the rolling frame.

As shown in fig. 16 and 17, the transmission structure includes a transmission shaft 3404 and a first magnetic gear 3405, the first magnetic gear is installed on the transmission shaft, a second magnetic gear 3406 is installed on one end of each driving shaft, the transmission shaft and the second magnetic gear are driven to rotate by a driving motor, and the driving shaft and the driven shaft are driven to rotate by the action between the first magnetic gear and the second magnetic gear. But is not limited thereto, and a conveyor belt, a timing wheel structure, for example, may also be employed.

The transmission structure of the cleaning machine adopts the former and adopts the non-contact magnetic gear transmission mode, so that the cleaning machine is wear-resistant and long in service life; compared with a belt transmission mode, the novel belt type conveyor does not generate scraps, slag, dust and the like.

As shown in fig. 20, the washing structure and/or the drying structure each include an upper plate 32011 and a lower plate 3202, which are stacked; the junction of one side of the upper plate and the lower plate has a moisture inlet 3203, and the other side has a moisture outlet (not shown).

The water vapor outlet is in a long seam shape. The water-air inlet of the cleaning structure is used for feeding liquid; and a water-air inlet of the drying structure is used for feeding hot air. The drying structure and the cleaning machine structure adopt the design, the pressure of the sprayed liquid or gas can be improved, and the cleaning or drying effect is improved.

The cleaning structures are arranged above or/and below the rolling frame;

the drying structure is arranged above or/and below the rolling frame.

In this embodiment, the top and the below of rolling the frame all are equipped with the washing structure, the top and the below of rolling the frame all are equipped with stoving structure.

As shown in fig. 15 and 21, the worktable is further provided with a shield 350 which covers the peripheries of the cleaning device and the drying device.

The protecting cover is provided with a partition 3501, and the cleaning device and the drying device are separated by the partition. The cleaning device and the drying device are separated by the partition plate, and the cleaning effect and the drying effect are improved by separating liquid of the cleaning device from hot air of the drying device.

As shown in fig. 19, the driving shaft and the driven shaft are provided at intervals in the circumferential direction thereof with a plurality of grooves 3407, each of which is provided therein with an elastic washer 3408. In this embodiment, the elastic washer is a rubber ring. The shock attenuation buffering improves the protection to the sheet, and especially when the sheet is the glass board, avoids the pressure between driving shaft and the driven shaft too big, extrudes glass and splits.

As shown in fig. 15 to 18, the workbench is further provided with a first material handling mechanism 360, the first material handling mechanism carries the workpiece to the rolling frame, the first material handling mechanism comprises a first Y-direction driving mechanism 3601 installed on the workbench, a first Z-direction driving mechanism 3602 and a material taking assembly (not shown), the material taking assembly is driven by the first Y-direction driving mechanism to translate along the Y direction, and the material taking assembly is driven by the first Z-direction driving mechanism to translate along the Z direction.

In this embodiment, the material taking assembly is a vacuum chuck, but is not limited thereto.

As shown in fig. 15 to 18, the table is further provided with a second material conveying mechanism 370 for conveying the workpiece off the rolling stand by the second conveying mechanism, the second material conveying mechanism includes a second Y-direction driving mechanism 3701, a second Z-direction driving mechanism 3702, and a material taking assembly 3703, which are mounted on the table, the material taking assembly is driven by the second Y-direction driving mechanism to translate in the Y direction, and the material taking assembly is driven by the second Z-direction driving mechanism to translate in the Z direction. The workbench is also provided with a transfer platform 380 for transferring workpieces.

As shown in fig. 2 and 22, each of the first conveying device 600 and the second conveying device 700 includes a beam 601, a Y-direction conveying driving unit 602, a Z-direction conveying driving unit 603, and a conveying gripping module 604, which are mounted on the beam, and the conveying gripping module is driven by the Y-direction conveying driving unit to translate along the Y direction and driven by the Z-direction conveying driving unit to translate along the Z direction;

In this embodiment, the handling and gripping assembly is a vacuum chuck, but is not limited thereto.

The utility model discloses a theory of operation and working process as follows:

under the action of a control system, a sheet to be processed is loaded to a transfer table of a loading device through the loading device, then under the action of a first conveying device, the sheet is conveyed to each grinding machine for grinding, after grinding, under the action of a second conveying device, the sheet is conveyed to a cleaning machine for cleaning and drying, and then, a second conveying mechanism of the cleaning machine conveys the cleaned sheet to a discharging device, so that the whole grinding and cleaning process of the sheet is realized, and the whole process is automatic and continuous;

the working principle and the process of the feeding device are as follows: the sliding discharging mechanism is pulled, the material tray is placed on the sliding discharging mechanism and then is pushed back to the original position, then under the action of the control system, the workpiece grabbing mechanism grabs the workpiece to be processed (or processed) and places the workpiece to the station to be processed (or places the workpiece to the material tray), the workpiece can be fed, grabbing of the material tray is achieved through the second grabbing assembly, lifting and descending of the lifting platform of the material tray placing mechanism are matched, stacking of the material trays is achieved, namely the lifting platforms of the material tray placing mechanisms can be matched in a lifting and descending mode, feeding of the product to be processed and discharging of the processed product can be achieved, and efficiency is improved;

when a material tray becomes empty, the material tray is grabbed through the second grabbing component, and then the material tray is stacked by matching with the ascending and descending of the lifting platform of the material tray placing mechanism (the process can be seen in detail in the 2019201426847-sheet automatic feeding device applied by the applicant), namely the lifting platforms of a plurality of material tray placing mechanisms can be matched in ascending and descending, and meanwhile, the feeding of the products to be processed and the discharging of the processed products can be realized, so that the efficiency is improved;

working principle and process of the grinder: under the action of a control system, an X-direction power supply unit drives a sliding workbench to translate along the X direction, and then a Y-direction power supply unit and a Z-direction power supply unit are matched to respectively drive a grinding device to translate along the Y direction and translate along the Z direction, and a grinding motor drives a cutter to rotate, so that grinding processing of a workpiece is realized;

the working principle of the tool changing process is as follows: the used tools can be discarded after a certain number of workpieces are processed by matching with preset data in the control system, the X-direction power supply unit drives the sliding workbench to be in place, then the second power supply mechanism drives the gas claw to grab the tools, then the tools are driven by the X-direction power supply unit to move to the grinding device, and the unused tools are grabbed through the automatic pneumatic loading and unloading function of the main shaft, so that the tools can be replaced automatically, conveniently and quickly, and the automation and the continuity of the processing process can be realized;

in the tool changing process, the first power supply mechanism (an air cylinder in the embodiment) and the ratchet component are fixedly arranged on the tool rest, the air cylinder acts to pull the ratchet component to move to climb over a ratchet of the ratchet track, the inner side of the ratchet abuts against the ratchet block, and then the ratchet component, the air cylinder and the tool rest move forwards integrally, so that the cutter inserting groove provided with unused tools can be always aligned to the position of the grabbing mechanism in the X direction; when the knives of the knife rest are replaced, an alarm is sent out to prompt an operator to reset the knife rest and repeat the process after the unused knives are placed;

the working principle and the process of the cleaning machine are as follows: the workpiece to be processed is placed on a transfer table, under the action of a control system, the workpiece is moved to the end, provided with a cleaning device, of a rolling frame through a first conveying mechanism, a driving shaft and a second magnetic gear are driven to rotate through a driving motor, and a driving shaft and a driven shaft are driven to rotate through the action between a first magnetic gear and a second magnetic gear, so that the workpiece is moved; the dried workpiece can be conveyed to a required position through a second conveying mechanism;

the working principle and the process of the blanking device are similar to those of the feeding device.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.

Claims

1. The utility model provides an automatic grinding production line which characterized in that: the automatic workpiece processing device comprises a feeding device (100), a plurality of grinding machines (200), a cleaning machine (300), a blanking device (500), a first conveying device (600) and a second conveying device (700), wherein the grinding machines are positioned at the downstream of the feeding device, the cleaning machine is positioned at the downstream of the grinding machines, the blanking device is positioned at the downstream of the cleaning machine, workpieces (400) to be processed are conveyed from the feeding device to the grinding machines through the first conveying device, and the processed workpieces are conveyed to the cleaning machines through the first plate conveying device;

the grinding machine comprises a machine table (210), a grinding device (220) arranged on the machine table, a sliding workbench (230) and a tool changing device (240);

the machine table is also provided with a Y-direction power supply unit (250) capable of driving the grinding device to translate along the Y direction and a Z-direction power supply unit (260) capable of driving the grinding device to translate along the Z direction;

the tool changing device (240) comprises a tool rest assembly (2401) used for placing a tool (2202), a first power supply mechanism (2402) used for driving the tool rest assembly to translate, and a grabbing mechanism (2403) used for grabbing the tool, wherein the tool rest assembly is pushed by the first power supply mechanism to translate, and the tool is grabbed by the grabbing mechanism;

the production line further comprises a control system and a control cabinet (800), the control system is arranged in the control cabinet, and the feeding device, the grinding machines, the cleaning machine, the discharging device, the first conveying device and the second conveying device are all connected with the control system.

2. The automatic grinding line of claim 1, wherein: the knife rest assembly (2401) comprises a knife rest (24011) used for placing a knife (2202), a ratchet slide rail (24012) and a ratchet assembly (24013) matched with the ratchet slide rail, the ratchet assembly is mounted on the knife rest, the knife rest and the ratchet slide rail are arranged in parallel, the first power supply mechanism can drive the knife rest assembly to translate, and the knife rest is driven to translate through the engagement of ratchets of the ratchet slide rail and ratchets of the knife rest assembly.

3. The automatic grinding line of claim 2, wherein: the ratchet component comprises a ratchet block (24014), a ratchet block mounting seat (24015) and a return spring, the ratchet block mounting seat is mounted on the tool rest, the ratchet block is mounted on the ratchet block mounting seat, one end of the return spring abuts against the ratchet block, and the other end of the return spring abuts against the ratchet block mounting seat.

4. The automatic grinding line of claim 1, wherein: the feeding device and the discharging device both comprise a rack (110), and a workpiece grabbing mechanism (120), a tray grabbing mechanism (130), a tray placing mechanism (140) and a sliding discharging mechanism (150) which are arranged on the rack;

the feeding device and the discharging device both further comprise an X-direction driving unit (160) which is arranged on the rack and can drive the workpiece grabbing mechanism and the material tray grabbing mechanism to translate along the X direction, a Y-direction driving unit which can drive the workpiece grabbing mechanism and the material tray grabbing mechanism to translate along the Y direction, and a first Z-direction driving unit (170) which can drive the material tray placing mechanism to translate along the Z direction;

5. The automatic grinding line of claim 4, wherein: the sliding discharging mechanism (150) comprises a discharging platform (1501) and a linear module, the discharging platform is connected with the rack through the linear module, and the discharging platform can move in a reciprocating mode along the bottom of the rack under the action of the linear module.

6. The automatic grinding line of claim 1, wherein: the cleaning machine comprises a workbench (310) and a rolling frame (340) arranged on the workbench, wherein the rolling frame is provided with a cleaning device (320) and a drying device (330), the drying device is positioned at the downstream of the cleaning device, and the rolling frame is used for conveying workpieces (400) to be cleaned;

the rolling frame (340) comprises driving shafts (3401) arranged in rows, driven shafts (3402) arranged in rows, a transmission structure and a driving motor (3403) for driving the transmission structure to move, and the driving motor drives the driving shafts and the driven shafts to rotate through the driving transmission structure so as to drive a workpiece to be processed to move;

the cleaning device comprises a cleaning structure (3201), the drying device comprises a drying structure (3301), and the cleaning structure and the drying structure are both aligned with the rolling frame.

7. The automatic grinding line of claim 6, characterized in that: the transmission structure comprises a transmission shaft (3404) and a first magnetic gear (3405), the first magnetic gear is installed on the transmission shaft and each transmission shaft, the second magnetic gear (3406) is installed at one end of the driving shaft, the transmission shaft and the second magnetic gear are driven to rotate through a driving motor, and the driving shaft and the driven shaft are driven to rotate through the action between the first magnetic gear and the second magnetic gear.

8. The automatic grinding line of claim 6, characterized in that: the washing structure and/or the drying structure each comprise an upper plate (32011) and a lower plate (3202), and the upper plate and the lower plate are overlapped; the junction of one side of the upper plate and the lower plate is provided with a moisture inlet (3203), and the other side is provided with a moisture outlet.

9. The automatic grinding line of claim 1, wherein: the grinding device (220) comprises a grinding motor (2201), a cutter (2202), a grinding motor fixing seat (2203) and a spindle (22011), wherein the grinding motor is fixed on the grinding motor fixing seat, the spindle is connected with the grinding motor, the cutter is installed at the end part of the spindle (22011), and the grinding motor is electrically connected with the control system.

10. The automatic grinding line of claim 1, wherein: the first conveying device (600) and the second conveying device (700) both comprise a cross beam (601), a Y-direction conveying driving unit (602), a Z-direction conveying driving unit (603) and a conveying grabbing component (604), wherein the Y-direction conveying driving unit is used for driving the conveying grabbing component to translate along the Y direction, and the Z-direction conveying driving unit is used for driving the conveying grabbing component to translate along the Z direction;