CN209831312U

CN209831312U - Automatic trade adhesive sand paper mechanism of sand platform

Info

Publication number: CN209831312U
Application number: CN201920404425.7U
Authority: CN
Inventors: 陈文君
Original assignee: Shanghai Hester Robot Co Ltd
Current assignee: Shanghai Hester Robot Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2019-12-24
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a sand paper sticking mechanism of an automatic sand changing table, which comprises a sand paper mounting seat and two groups of sand paper placing components, wherein the two groups of sand paper placing components are arranged in the sand paper mounting seat in tandem, each group of sand paper placing components comprises a sand paper separating mounting plate and four sand paper storage tanks, and the sand paper separating mounting plate is embedded in the top end of the sand paper mounting seat; the four sand paper storage grooves are sequentially arranged on the sand paper separation mounting plate from left to right; four vertically arranged guide columns are uniformly distributed in each abrasive paper storage groove; a sand ejecting plate is horizontally arranged in each sand paper storage tank; a sand discharge disc is arranged in each sand paper storage tank and is positioned right above the corresponding sand ejecting plate; the sand ejection air cylinder drives the sand ejection plate to move up and down. The utility model discloses an automatic trade sand paper mechanism of sand platform can carry out sand paper sand adhesion to the four-head of polishing simultaneously, and the sand adhesion rate of accuracy is high.

Description

Automatic trade adhesive sand paper mechanism of sand platform

Technical Field

The utility model relates to an automatic trade sand paper mechanism of sand platform.

Background

In China, the robot is still in a state of being started in the aspect of metal grinding and polishing, companies which start earlier concentrate technical strength on research and development of related matched products of grinding and polishing of small hardware at present, and common workstations are all applications of clamping the small hardware to an abrasive belt machine or a polishing machine for grinding and polishing through the robot. In the domestic market, the requirements for grinding and polishing of large-sized workpieces are not inferior to the requirements for small hardware, products are concentrated in the fields of automobile parts, engineering machinery, aerospace, die, bathroom and the like, compared with the large batch of small hardware, the product added value of the large-sized workpieces is higher, the large-sized workpieces have the purchasing power of high-end and medium-end workstations, and the large-sized workpieces are classified into high-end and medium-end customer groups. For such a workstation, the basic configuration is a robot, a polishing head, a workbench (fixed or rotary), a tool changing table and a sand changing table, wherein the tool changing table is used for automatically switching tools in different processes of the same product or different processes of different products, and the sand changing table is used for automatically replacing sand paper for products requiring sand paper in the polishing process.

At present, the sand-sticking paper mechanism of the automatic sand changing table on the market in China basically carries out automatic change of sand paper for a single grinding head, and cannot synchronously change the sand paper of a plurality of grinding heads, and the sand-sticking paper mechanism of the automatic sand changing table of the single grinding head also comprises three key steps of detection, sand paper tearing and sand paper sticking; aiming at automatic abrasive paper tearing, the principle is also a pneumatic pressing mode, a pressing mechanism is only in pressing block and other forms, the pressing mechanism is not in pressing needle form, and the angle of the abrasive disc and the angle of the abrasive paper are not considered in the design process.

Moreover, trade sand table (the automatic mechanism of gluing abrasive paper) ubiquitous abrasive paper on the market and be stained with and glue the phenomenon, the condition of once only gluing 2 ~ 3 abrasive paper is very general, and is the bonding of the abrasive paper of single head, in function and effect, can't satisfy customer's user demand. Moreover, at present, the abrasive paper tearing success rate of the abrasive paper tearing mechanism of the sand changing table on the surface can reach 90% less and less, and the phenomena that the abrasive paper is blocked and torn so as to influence the adhesion of the old abrasive paper generally exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's defect, providing an automatic trade sand-binding paper mechanism of sand platform, can carry out sand-binding to the four-head of polishing simultaneously, the sand-binding rate of accuracy is high.

The technical scheme for realizing the purpose is as follows: the utility model provides an automatic trade adhesive sand paper mechanism of sand platform, includes that adhesive sand mount pad and two sets of abrasive paper place the subassembly, two sets of abrasive paper place the subassembly and set up in tandem in the adhesive sand mount pad, wherein:

each group of sand paper placing assemblies comprises a sand paper separating and mounting plate and four sand paper storage grooves, and the sand paper separating and mounting plate is embedded into the top end of the sand sticking mounting seat; the four sand paper storage grooves are sequentially arranged on the sand paper separation mounting plate from left to right; four vertically arranged guide columns are uniformly distributed in each abrasive paper storage groove; a sand ejecting plate is horizontally arranged in each sand paper storage tank and is positioned among the four guide columns; a sand discharge disc is arranged in each sand paper storage tank and is positioned right above the corresponding sand ejecting plate; the bottom of each sand paper storage tank is provided with a sand ejecting cylinder; the sand ejecting cylinder is connected with the corresponding sand ejecting plate, the sand ejecting cylinder drives the sand ejecting plate to move up and down, and the sand ejecting plate drives the sand discharging disc to move up and down in the middle of the four guide columns;

and the four sand ejection air cylinders corresponding to each group of sand paper placing assemblies synchronously move.

In the sand paper sticking mechanism of the automatic sand changing table, back fluff sand paper with the same mesh number is placed in the four sand paper storage grooves of each group of sand paper placing assemblies;

and the mesh number of the sandpaper placed in the four sandpaper storage grooves of one group of the sandpaper placement assemblies is different from the mesh number of the sandpaper placed in the four sandpaper storage grooves of the other group of the sandpaper placement assemblies.

The sand-sticking paper mechanism for the automatic sand changing table is characterized in that the sand-sticking mounting seat is mounted at the top end of a box body of the sand changing table, all sand-pushing cylinders of the sand-sticking paper mechanism are located in the box body, and a split door is arranged on the front side of the box body.

The sand-binding paper mechanism of the automatic sand changing table is characterized in that a dust cover is buckled on the sand-binding paper mechanism.

The utility model provides an automatic trade abrasive paper mechanism of sand platform, wherein, the rear end of shield is passed through hinge connection and is in the rear portion on the top of box, be provided with the flip cylinder in the box, the output shaft of flip cylinder pass through fisheye joint and lock nut with the shield links to each other.

The utility model discloses an automatic trade sand paper mechanism of sand platform can carry out sand paper sand adhesion to the four-head of polishing simultaneously, and the sand adhesion rate of accuracy is high.

Drawings

FIG. 1 is a three-dimensional structure diagram of a sand-sticking paper mechanism of the automatic sand-changing table of the present invention;

FIG. 2 is a top view of the sand-sticking paper mechanism of the automatic sand-changing table of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

fig. 4 is a partially enlarged view of a portion B in fig. 2.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:

referring to fig. 1 to 4, a sand paper sticking mechanism of an automatic sand changing table according to a preferred embodiment of the present invention includes a sand paper sticking mounting seat 21 and two sets of sand paper placing assemblies 50, wherein the two sets of sand paper placing assemblies 50 are disposed in the sand paper sticking mounting seat 21 in tandem.

Each group of sand paper placing assemblies 50 comprises a sand paper separating and mounting plate 51 and four sand paper storage grooves 52, and the sand paper separating and mounting plate 51 is embedded into the top end of the sand-sticking mounting seat 21; the four sandpaper storage grooves 52 are sequentially arranged on the sandpaper separation mounting plate 51 from left to right; four vertically arranged guide columns 53 are uniformly distributed in each sand paper storage groove 52; a sand ejecting plate 55 is horizontally arranged in each sand paper storage tank 51, the sand ejecting plate 55 is positioned among the four guide columns 53, a sand discharging disc 56 is arranged in each sand paper storage tank 51, and the sand discharging disc 56 is positioned right above the corresponding sand ejecting plate 55; a sand ejecting cylinder 54 is arranged at the bottom of each sand paper storage tank 51; the sand ejecting air cylinders 54 are connected with the corresponding sand ejecting plates 55; the sand ejection cylinder 54 drives the sand ejection plate 55 to move up and down, and the sand ejection plate 55 drives the sand discharge disc 56 to move up and down in the middle of the four guide columns 53; the four sand ejecting cylinders 54 of each set of sandpaper placement assemblies 50 are moved in unison.

Back fluff sand paper with the same mesh number is placed in the four sand paper storage grooves 52 of each group of sand paper placing assemblies 50; and the mesh number of the sandpaper placed in the four sandpaper storage grooves of one group of the sandpaper placement assemblies 50 is different from the mesh number of the sandpaper placed in the four sandpaper storage grooves of the other group of the sandpaper placement assemblies 50, so that the sandpaper with two mesh numbers can be switched to be bonded.

The sand-binding mounting base 21 is arranged on the top end of the box body 2 of the sand-changing table, the sand-binding paper mechanism is arranged in the box body 2, the front side of the box body 2 is provided with a split door, and the parts in the box body 2 can be conveniently overhauled.

The dust cover 3 is buckled on the sand-sticking paper mechanism. The rear end of shield 3 passes through hinge 31 to be connected at the rear portion on the top of box 2, is provided with flip cylinder 34 in the box 2, and flip cylinder 34's output shaft passes through fisheye joint 32 and lock nut 33 and links to each other with shield 3.

The utility model discloses an automatic trade abrasive paper mechanism of sand platform, when using, each cylinder all communicates with the robot, and work flow is as follows: waiting for receiving a sand paper changing signal of the robot, after receiving the sand paper changing signal, synchronously opening a dustproof cover 3 of an automatic sand changing table in the running process of the robot, clamping a four-head grinding head to a sand paper detection station on the sand changing table by the robot, detecting the sand paper, configuring 4 color sensors of the sand paper detection station according to the number of the grinding head, having a protection grade of IP67, setting different grades through a program to judge whether the sand paper on the grinding head is old or not, transmitting the signal to the robot through bus communication after judging, carrying out the next process, and automatically running the robot to the next process without tearing the sand paper after judging; after the judgment, the abrasive paper needs to be replaced, the robot moves to the abrasive paper tearing mechanism to perform 4-head synchronous abrasive paper tearing actions, after the abrasive paper is torn off, the robot moves to the abrasive paper detection station again to perform abrasive paper detection, if a detection sensor on the abrasive paper detection station detects that any one of the four-head polishing heads is not completely torn off, the procedure of tearing the abrasive paper is continuously executed, and if all the four-head polishing heads are torn off, the procedure of adhering the abrasive paper is executed; the robot moves the four-head sanding head to the sand-binding paper mechanism, the sand-binding paper mechanism consists of two groups of sand paper placing components and a pneumatic actuating mechanism, the orientation of 4 sand placing discs of each group of sand paper placing components is designed according to the disc distance of the 4-head sanding head sand discs, each sand placing disc 56 is lifted through a sand ejecting cylinder 54 and a guide column 53, when the robot moves to a sand-binding station, namely the 4-head sanding head is vertical to the position of the corresponding sand paper placing component, the sand discs of the 4-head sanding head correspond to the 4 sand placing discs 56 one by one, the distance from the position of a circular hole of the sand changing table placing disc is about 5mm, the robot sends a command of adhering sand paper, the sand discharging disc 56 of the sand changing table is driven by the sand ejecting cylinder 54, the 4 sand discharging discs 56 of the corresponding group synchronously ascend to the sand paper adhering position for adhering, the robot moves downwards for a certain distance after adhering is finished, and the sand-binding mechanism can eliminate redundant sand paper, thereby guarantee can not have a plurality of abrasive paper and be stained with and glue the phenomenon, paste behind the abrasive paper robot will move again to abrasive paper detection device 7, carry out abrasive paper detection, if detect that arbitrary sanding head of four-head sanding head does not glue good abrasive paper, will continue to carry out and glue the abrasive paper procedure, if detect that four-head sanding head abrasive paper is whole to glue good, will carry out follow-up step.

The utility model discloses an automatic trade sand-binding paper mechanism of sand platform, CS-CP01 trades the extension of sand platform, can be simultaneously to four-head sanding head carry out the sand-binding operation in step, need paste the abrasive paper action after tearing the abrasive paper, the automatic sand-binding paper mechanism that trades the sand platform supports 4 synchronous abrasive paper of pasting, combine special robot of ASD to paste the programming orbit and the antiseized sand paper mechanism of abrasive paper, can guarantee that the abrasive paper bonding rate of accuracy reaches 100%, the mechanism ubiquitous abrasive paper of automatic sand-binding paper is stained with the phenomenon of gluing on the market, the condition of once only gluing 2 ~ 3 abrasive paper is very general, and be the bonding of the abrasive paper of single head, in function and utility, can't with the utility model discloses an automatic trade sand-binding paper mechanism of sand platform compares.

To sum up, the utility model discloses an automatic trade sand table's sand-binding paper mechanism can carry out sand-binding to the four-head of polishing simultaneously, and the sand-binding rate of accuracy is high.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides an automatic trade adhesive sand paper mechanism of sand platform, its characterized in that, places the subassembly including adhesive sand mount pad and two sets of abrasive paper, two sets of abrasive paper place the subassembly and set up in tandem in the adhesive sand mount pad, wherein:

2. The sand paper sticking mechanism of the automatic sand changing table according to claim 1, wherein back fluff sand paper with the same mesh number is placed in the four sand paper storage grooves of each group of sand paper placing assemblies;

3. The sand-binding paper mechanism of the automatic sand-changing table as claimed in claim 1, wherein the sand-binding mounting seat is mounted at the top end of a box body of the sand-changing table, all sand-pushing cylinders of the sand-binding paper mechanism are positioned in the box body, and a split door is arranged at the front side of the box body.

4. The sand-binding paper mechanism of the automatic sand-changing table as claimed in claim 3, wherein a dust cover is buckled on the sand-binding paper mechanism.

5. The sand-sticking paper mechanism of the automatic sand changing table according to claim 4, wherein the rear end of the dust cover is connected to the rear part of the top end of the box body through a hinge, a flip cylinder is arranged in the box body, and an output shaft of the flip cylinder is connected with the dust cover through a fisheye joint and a locking nut.