CN113894655B

CN113894655B - Automatic polishing system for vacuum cup

Info

Publication number: CN113894655B
Application number: CN202111291610.8A
Authority: CN
Inventors: 张巧丽; 王平; 刘忠军
Original assignee: Chaohua Rio Tinto Precision Intelligence Shenzhen Co ltd
Current assignee: Chaohua Rio Tinto Precision (Shenzhen) Co.,Ltd.
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-11-01
Anticipated expiration: 2041-11-02
Also published as: CN113894655A

Abstract

The invention belongs to the technical field of polishing of vacuum cups, and discloses an automatic polishing system for a vacuum cup, which comprises a rough polishing device, a material transferring device and a fine polishing device; coarse grinding device and smart grinding device all include: the worktable is arranged at the center and can rotate intermittently, and six clamping mechanisms are arranged on the worktable in an array manner; the six rotary dividers are arranged on the outer side of the workbench in an array mode, the six rotary dividers correspondingly form six stations, two material racks are symmetrically fixed on a rotary table of each rotary divider, and the material racks are used for fixing the vacuum cups to be polished; the six stations are four adjacent polishing stations, a material transferring station and an operation station respectively; all correspond at four stations of polishing department and be equipped with grinding machanism, four grinding machanism include two abrasive band components of polishing and two emery wheel components of polishing, and two abrasive band components of polishing all are used for polishing thermos cup body, and two emery wheel components of polishing are used for polishing thermos cup rim of a cup and bottom of a cup respectively.

Description

Automatic grinding system for vacuum cup

Technical Field

The invention belongs to the technical field of vacuum cup polishing, and particularly relates to an automatic vacuum cup polishing system.

Background

Vacuum cups are generally containers made of ceramic or stainless steel plus a vacuum layer to hold water.

At present, taking a vacuum cup with the shape shown in fig. 1 as an example, after the vacuum cup is manufactured and molded, polishing at least four positions of a cup body a, a welding seam b, a cup opening c (including cup opening threads), a cup bottom d and the like is generally required. In the prior art, polishing of a traditional vacuum cup is mainly completed manually, and the problems of poor working environment, large dust, high labor intensity, poor polishing precision and low polishing efficiency exist.

Disclosure of Invention

In view of the above, in order to solve the problems in the prior art, the present invention provides an automatic grinding system for vacuum cups.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic grinding system for a vacuum cup comprises a feeding device, a rough grinding device, a material transferring device, a fine grinding device and a discharging device which are sequentially arranged;

coarse grinding device and smart grinding device all include:

the material clamping mechanism comprises a workbench, wherein the workbench is arranged at the center and can rotate intermittently, six material clamping mechanisms are arranged on the workbench in an array manner, and the six material clamping mechanisms all extend outwards along the radial direction;

the six rotary dividers are arranged outside the workbench in an array manner, the six rotary dividers correspondingly form six stations, two material racks are symmetrically fixed on a rotary table of each rotary divider, and the material racks are used for fixing the vacuum cups to be polished;

the six stations are four adjacent polishing stations, a material transferring station and an operation station respectively;

the four grinding mechanisms comprise two abrasive belt grinding components and two grinding wheel grinding components, the two abrasive belt grinding components are used for grinding the cup body of the vacuum cup, and the two grinding wheel grinding components are respectively used for grinding the cup mouth and the cup bottom of the vacuum cup;

the material transferring device is used for transferring the vacuum cup on the material transferring station of the rough grinding device to the material transferring station of the fine grinding device;

the feeding device is used for performing automatic feeding at an operation station of the rough grinding device;

and the discharging device is used for executing automatic blanking at an operation station of the fine grinding device.

Preferably, the loading attachment, change material device and discharging device all include:

a mounting frame;

the rotating rod is rotatably arranged on the mounting rack;

and the clamping jaw mechanism is fixed at the movable end of the rotating rod, and the clamping jaw mechanism and the material clamping mechanism both adopt pneumatic clamping jaws.

Preferably, the feeding device and the discharging device further comprise:

a conveyor belt;

the limiting frames are symmetrically connected to two sides of the conveying belt; the two limiting frames and the conveying belt are combined to form a U-shaped structure, and the vacuum cup is driven by the conveying belt to be conveyed in the U-shaped groove.

Preferably, the feeding device further comprises: the storage rack is connected to one end of the conveying belt; install belt elevator in the storage frame, and pass through belt elevator will store on the thermos cup in the storage frame transports to loading attachment's conveyer belt.

Preferably, the feeding device further comprises:

set up in visual detection device of operation station department, just visual detection device is used for gathering the thermos cup outward appearance image of material loading and unloading in-process at least.

Preferably, the visual inspection device includes:

a fixed mount;

the CCD camera is arranged at the top of the fixing frame and faces to a material rack close to the visual detection device in the operation station;

a rotation drive assembly; the rotation driving component is used for driving the target vacuum cup in axial rotation, the target vacuum cup is parallel to the rotation driving component, and the target vacuum cup is a vacuum cup limited on the material rest towards which the CCD camera faces.

Preferably, the belt sanding assembly and the wheel sanding assembly of the sanding mechanism each include:

a grinding head structure;

the Y-axis adjusting structure is used for driving the grinding head structure to move along the Y axis;

and the Z-axis adjusting structure is used for driving the Y-axis adjusting structure to move along the Z axis.

Preferably, the grinding head structure includes:

the mounting seat is driven to move by the Y-axis adjusting structure;

the polishing motor is fixed on the mounting seat;

the grinding motor drives the rotating grinding head, the grinding head of the abrasive belt grinding assembly is a transmission abrasive belt, and the grinding head of the abrasive wheel grinding assembly is an abrasive wheel.

Preferably, the transmission abrasive belt comprises two rotatable transmission wheels and an abrasive belt sleeved on the transmission wheels; a supporting frame is fixed on the mounting seat, and the two conveying wheels are respectively connected with the grinding motor and the supporting frame.

Compared with the prior art, the invention has the following beneficial effects:

(1) The grinding system provided by the invention can realize the full automation of the feeding, the rough grinding, the fine grinding and the discharging of the vacuum cup, the whole process does not need manual interference, and the grinding system has the advantages of high grinding precision and efficiency.

(2) In the grinding system provided by the invention, the abrasive belt grinding component for grinding the cup body and the grinding wheel grinding component for grinding the cup mouth and the cup bottom are correspondingly arranged, so that the grinding system is effectively suitable for accurate grinding at different positions of the vacuum cup, and the grinding precision of the vacuum cup is further improved.

(3) To above-mentioned abrasive band subassembly and the emery wheel subassembly of polishing, all correspond the adjustment mechanism who is equipped with Y axle and Z axle, can be applicable to thermos cup everywhere atress of polishing in a flexible way from this, and then promote the quality of polishing to can also guarantee the uniformity that a plurality of thermos cups polished.

(4) In the polishing system provided by the invention, the vacuum cup is switched among the polishing components through the cooperation of the rotatable workbench and the rotary divider, and the polishing system is simple in structure and convenient to control.

Drawings

FIG. 1 is a three-dimensional structure diagram of a vacuum cup to be polished;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a perspective view of the rough grinding apparatus according to the present invention;

FIG. 4 is a perspective view of the table and the rotary index device of the rough grinding apparatus according to the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a perspective view of the transferring device of the present invention;

FIG. 7 is a perspective view of the discharging device of the present invention;

FIG. 8 is a perspective view of the conveyor belt and the storage rack of the feeding device of the present invention;

FIG. 9 is a perspective view of a grinding wheel grinding assembly of the grinding mechanism of the present invention;

FIG. 10 is a perspective view of a belt sanding assembly in a sanding mechanism according to the present invention;

FIG. 11 is a schematic view of the present invention in which a grinding wheel polishing assembly is used to polish the rim of a vacuum cup;

FIGS. 12-15 are flow charts of the operation of the work bench and the material clamping mechanism of the present invention;

in the figure: a feeding device-1; a storage rack-11; a belt hoist-12; a fixed mount-13; a CCD camera-14; a rotary drive assembly-15; a rough polishing device-2; a material transferring device-3; a mounting bracket-31; a rotating rod-32; a jaw mechanism-33; a fine grinding device-4; a discharging device-5; a conveyor belt-51; a limiting frame-52; a workbench-6; a material clamping mechanism-7; rotating a divider-8; a polishing mechanism-9; z-axis adjustment structure-91; y-axis adjustment configuration-92; a mounting seat-93; grinding motor-94; grinding head-95; a support frame-96.

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.

Referring to fig. 2 to 10, the present invention provides an automatic grinding system for a vacuum cup, and the grinding system mainly includes the following structure:

a frame;

the feeding device 1, the coarse grinding device 2, the material transferring device 3, the fine grinding device 4 and the discharging device 5 are sequentially arranged on the rack.

Aiming at the device, the invention provides the following specific implementation structure:

the first part

As can be seen from fig. 8, the loading apparatus 1 includes:

a conveyor belt 51;

limiting frames 52 symmetrically connected to two sides of the conveyor belt 51; the two limiting frames 52 and the conveyor belt 51 are combined to form a U-shaped structure, and the vacuum cup is driven by the conveyor belt 51 to be conveyed in the U-shaped groove;

a storage rack 11 connected to one end of the conveyor belt 51; a belt elevator 12 is installed in the stocker 11, and the vacuum cup stored in the stocker 11 is transported to the conveyor belt 51 of the loading device 1 by the belt elevator 12.

Specifically, the storage rack 11 is fixed at one end of the rack, and the plurality of heat preservation cups are arranged in parallel in the storage rack 11. Be formed with a plurality of promotion recesses on belt elevator 12, a recess just is used for thermos cup of block, from this when belt elevator 12 carries out the transmission operation, can effectively promote the thermos cup to its top, and when the thermos cup was positioned the position that figure 8 shows, based on conveyer belt 51's transmission, can effectively take the thermos cup at belt elevator 12 top out to realize the automatic of thermos cup and carry.

Further, as can be seen from fig. 8, 4 and 5, the feeding device 1 further includes:

a mounting bracket 31;

a rotating rod 32 rotatably mounted on the mounting frame 31;

a clamping jaw mechanism 33 fixed at the movable end of the rotating rod 32, and the clamping jaw mechanism 33 adopts a pneumatic clamping jaw.

By last knowing, under conveyer belt 51's conveying for the thermos cup is carried to the position department corresponding with mounting bracket 31, based on the rotation of bull stick 32 this moment, makes clamping jaw mechanism 33 can pinpoint in the thermos cup top, then realizes the automatic clamp of thermos cup through clamping jaw mechanism 33 and gets, and at last the gyration based on bull stick 32 again with thermos cup material loading to coarse grinding device 2 in, with this automatic feeding of accomplishing.

In addition, as can be seen from fig. 4 and 5, the feeding device 1 further includes:

the visual detection device is arranged at the operation station and at least used for collecting the appearance images of the vacuum cup in the feeding and discharging processes.

Wherein, visual detection device includes:

a fixed frame 13;

the CCD camera 14 is arranged at the top of the fixed frame 13, and the CCD camera 14 faces to a material rack close to the visual detection device in the operation station;

a rotation drive assembly 15; the rotation driving component 15 is used for driving the target vacuum cup in contact with the rotation driving component to rotate axially, the target vacuum cup is parallel to the rotation driving component 15, and the target vacuum cup is a vacuum cup limited on the material frame towards which the CCD camera 14 faces.

The vacuum cup can rotate 360 degrees by the drive of the rotating drive component 15, so that the CCD camera 14 can acquire a complete vacuum cup appearance image; after the CCD camera 14 collects the appearance image of the vacuum cup, the image information can be stored in the CCD camera 14, and then the image information can be obtained by taking out the memory card. In addition, the image information can be transmitted while the image is collected by adopting a wireless transmission mode.

Specifically, through analyzing the acquired images, the position of each vacuum cup to be polished can be accurately determined, and parameter regulation and control are performed on the whole rough polishing device 2 and the whole fine polishing device 4 conveniently.

The second part

As can be seen from fig. 2, 3 and 4, the rough grinding device 2 includes:

the workbench 6 is arranged at the center and can intermittently rotate, six material clamping mechanisms 7 are arranged on the workbench 6 in an array mode, and the six material clamping mechanisms 7 extend outwards along the radial direction;

the six rotary dividers 8 are arranged outside the workbench 6 in an array manner, the six rotary dividers 8 correspondingly form six stations (shown as A-F in figure 1), and two material racks are symmetrically fixed on a rotary table of each rotary divider 8 and used for fixing the vacuum cups to be polished;

the six stations are respectively four adjacent grinding stations (B/C/D/E), a material transferring station (F) and an operation station (A);

the four grinding mechanisms 9 are arranged at the four grinding stations in a one-to-one correspondence manner, each grinding mechanism 9 comprises two abrasive belt grinding assemblies (station B/station C) and two abrasive belt grinding assemblies (station D/station E), the two abrasive belt grinding assemblies are used for grinding the vacuum cup body, and the two abrasive belt grinding assemblies are used for grinding the vacuum cup mouth and the vacuum cup bottom respectively.

Specifically, the vacuum cup is fed to an operation station A in the rough grinding device 2 by the feeding device 1; the material clamping mechanism 7 and the clamping jaw mechanism 33 adopt the same pneumatic clamping jaw, so that the automatic clamp of the vacuum cup is conveniently realized;

in the actual rough grinding process, the working principle of the rough grinding device 2 is described in detail with reference to fig. 12 to 15 as follows:

in fig. 12, a vacuum cup is fixed to the rack corresponding to each rotary divider 8 in six stations, wherein, taking two stations C/D as an example, in station C, i represents a vacuum cup that has been ground at the station, and ii represents a vacuum cup that has not been ground at the station. Therefore, if the transmission of the vacuum cup is required:

firstly, the workbench 6 is driven to drive the six material clamping mechanisms 7 to synchronously rotate clockwise, the six material clamping mechanisms 7 do not clamp the vacuum cup, and meanwhile, the rotation of the rotary divider 8 in the station C is executed in combination with the graph 13; regarding the rotational relationship between the table 6 and the rotary divider 8, when the rotational angle of the table 6 is set to be in the range of 0 ° to 30 °, the rotary divider 8 completes 180 ° rotation.

When the workbench 6 and the rotary divider 8 rotate to the position state shown in fig. 14, the six material clamping mechanisms 7 correspond to the vacuum cups on the six rotary dividers 8 respectively, at this time, the vacuum cup i in the station C is clamped by the material clamping mechanisms 7, and the workbench 6 continues to rotate clockwise by 30 degrees so as to transfer the vacuum cup i in the station C to the station D, thereby forming the state shown in fig. 15. In addition, in the rotation of the conveying vacuum cup i, the grinding mechanism 9 corresponding to the station C synchronously starts grinding the vacuum cup ii.

Further, as can be seen from fig. 9 to 10, the belt grinding assembly and the wheel grinding assembly of the grinding mechanism 9 each include:

a grinding head structure;

a Y-axis adjustment structure 92 for driving the grinding head structure to move along the Y-axis;

and a Z-axis adjusting structure 91 for driving the Y-axis adjusting structure 92 to move along the Z-axis.

Wherein, bistrique structure includes:

a mounting seat 93 driven to move by the Y-axis adjusting structure 92;

a grinding motor 94 fixed on the mounting seat 93;

the rotary grinding head 95 is driven by a grinding motor 94, the grinding head 95 of the grinding wheel grinding assembly is a grinding wheel, the grinding head 95 of the abrasive belt grinding assembly is a transmission abrasive belt, and the transmission abrasive belt comprises two rotatable transmission wheels and an abrasive belt sleeved on the transmission wheels; a supporting frame 96 is fixed on the mounting seat 93, and the two transmission wheels are respectively connected with the grinding motor 94 and the supporting frame 96.

In summary, the distance between the grinding head structure and the vacuum cup can be effectively adjusted by utilizing the driving of the Y-axis adjusting structure 92 and the Z-axis adjusting structure 91, so that the grinding precision is ensured, and the Y-axis adjusting structure 92 and the Z-axis adjusting structure 91 can be adjusted by adopting the adjusting structure of the motor driven screw rod.

Preferably, a state diagram when the grinding wheel grinds the cup opening of the vacuum cup is shown in the figure 11; during specific polishing, the polishing motor 94 is used for driving, and the polishing effect is formed by friction between the grinding wheel or the abrasive belt and the surface wall of the vacuum cup.

The third part

As can be seen from fig. 6, the transfer device 3 includes:

a mounting bracket 31;

a rotating rod 32 rotatably mounted on the mounting frame 31;

a gripper mechanism 33 fixed to the movable end of the rotating rod 32.

Fourth section

As can be seen from fig. 2, 3 and 4, the fine grinding device 4 includes:

the six rotary dividers 8 are arranged outside the workbench 6 in an array manner, the six rotary dividers 8 correspondingly form six stations (such as G-L in figure 1), and two material racks are symmetrically fixed on a rotary table of each rotary divider 8 and used for fixing the vacuum cups to be polished;

the six stations are respectively four adjacent grinding stations (H/I/L/K), a material transferring station (G) and an operation station (L);

the grinding mechanisms 9 are arranged at the four grinding stations in a one-to-one correspondence mode, the four grinding mechanisms 9 comprise two abrasive belt grinding assemblies (station L/station K) and two grinding wheel grinding assemblies (station H/station I), the two abrasive belt grinding assemblies are all used for grinding the vacuum cup body, and the two grinding wheel grinding assemblies are respectively used for grinding the vacuum cup mouth and the cup bottom.

Specifically, the polishing principle of the fine polishing device 4 of this section is the same as that of the rough polishing device 2. In addition, the material transferring device 3 of the third part is used for transferring the vacuum cup on the material transferring station F of the rough grinding device 2 to the material transferring station G of the fine grinding device 4.

Fifth part

As can be seen in fig. 7, the discharging device 5 includes:

a mounting bracket 31;

a rotating rod 32 rotatably mounted on the mounting frame 31;

a gripper mechanism 33 fixed to the movable end of the rotating rod 32;

a conveyor belt 51;

limiting frames 52 symmetrically connected to two sides of the conveyor belt 51; the two limiting frames 52 and the conveyor belt 51 are combined to form a U-shaped structure, and the vacuum cup is driven by the conveyor belt 51 to be conveyed in the U-shaped groove.

As can be seen from the above, the discharging principle of the discharging device 5 is as follows:

when accomplishing the thermos cup after whole processing of polishing and being carried to operation station L department, through the rotation that corresponds rotatory decollator 8 and bull stick 32 for the thermos cup can be with clamping jaw mechanism 33 to the adaptation, and the clamp of accessible clamping jaw mechanism 33 gets from this and transports the thermos cup to conveyer belt 51 on, and then realizes the automatic discharging of thermos cup through conveyer belt 51's transmission.

In addition, aiming at the automatic polishing system provided by the invention, in order to solve the problem of large dust in the polishing process, the invention can also provide the following technical scheme (not shown in the figure):

arranging a sealing cover, and installing all the structures of the automatic polishing system in the sealing cover;

an air port is formed in the sealing cover;

an air inlet filter screen is arranged on part of the air openings, and a dust collector is connected to the part of the air openings;

in conclusion, automatic dust collection is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic system of polishing of thermos cup which characterized in that: comprises a feeding device (1), a rough grinding device (2), a material transferring device (3), a fine grinding device (4) and a discharging device (5) which are arranged in sequence;

coarse grinding device (2) and smart grinding device (4) all include:

the material clamping device comprises a workbench (6) which is arranged at the center and can rotate intermittently, six material clamping mechanisms (7) are arranged on the workbench (6) in an array mode, and the six material clamping mechanisms (7) extend outwards along the radial direction;

the six rotary dividers (8) are arranged on the outer side of the workbench (6) in an array mode, the six rotary dividers (8) correspondingly form six stations, two material racks are symmetrically fixed on a rotary table of each rotary divider (8), and the material racks are used for fixing the vacuum cups to be polished;

the four grinding mechanisms (9) are correspondingly arranged at the four grinding stations one by one, each grinding mechanism (9) comprises two abrasive belt grinding components and two grinding wheel grinding components, each abrasive belt grinding component is used for grinding the cup body of the vacuum cup, and the two grinding wheel grinding components are respectively used for grinding the cup mouth and the cup bottom of the vacuum cup;

the material transferring device (3) is used for transferring the vacuum cup on the material transferring station of the rough grinding device (2) to the material transferring station of the fine grinding device (4);

the feeding device (1) is used for automatically feeding materials at an operation station of the rough grinding device (2);

the discharging device (5) is used for executing automatic blanking at an operation station of the fine grinding device (4);

the feeding device (1) further comprises:

the visual detection device is arranged at the operating station and at least used for collecting the appearance images of the vacuum cup in the feeding and discharging processes;

the visual inspection device includes:

a fixed frame (13);

the CCD camera (14) is arranged at the top of the fixed frame (13), and the CCD camera (14) faces to one material rack close to the visual detection device in the operation station;

the visual inspection device further includes:

a rotary drive assembly (15); the rotary driving component (15) is used for driving a target vacuum cup in contact with the rotary driving component to axially rotate, the target vacuum cup is parallel to the rotary driving component (15), and the target vacuum cup is a vacuum cup limited on the material rest towards which the CCD camera (14) faces;

loading attachment (1), change material device (3) and discharging device (5) all include:

a mounting frame (31);

a rotating rod (32) rotatably mounted on the mounting frame (31);

be fixed in gripper mechanism (33) of bull stick (32) expansion end, just gripper mechanism (33) and material clamping mechanism (7) all adopt pneumatic clamping jaw.

2. An automatic grinding system for vacuum cups according to claim 1, characterized in that said feeding device (1) and discharging device (5) further comprise:

a conveyor belt (51);

the limiting frames (52) are symmetrically connected to the two sides of the conveyor belt (51); the two limiting frames (52) and the conveyor belt (51) are combined to form a U-shaped structure, and the vacuum cup is driven by the conveyor belt (51) to be conveyed in the U-shaped groove.

3. An automatic grinding system for vacuum cups according to claim 2, characterized in that said feeding device (1) further comprises:

the storage rack (11) is connected to one end of the conveyor belt (51); install belt hoist (12) in storage rack (11), and pass through belt hoist (12) will store the thermos cup in storage rack (11) and transport to conveyor belt (51) of loading attachment (1).

4. A thermos cup automatic grinding system according to claim 1, characterized in that a belt grinding assembly and a wheel grinding assembly in the grinding mechanism (9) each comprise:

a grinding head structure;

a Y-axis adjusting structure (92) for driving the grinding head structure to move along the Y-axis;

and the Z-axis adjusting structure (91) is used for driving the Y-axis adjusting structure (92) to move along the Z axis.

5. An automatic grinding system for a vacuum cup according to claim 4, wherein the grinding head structure comprises:

a mounting seat (93) driven to move by the Y-axis adjusting structure (92);

a grinding motor (94) fixed on the mounting seat (93);

the grinding motor (94) drives the rotating grinding head (95), the grinding head (95) of the abrasive belt grinding assembly is a transmission abrasive belt, and the grinding head (95) of the abrasive wheel grinding assembly is an abrasive wheel.

6. The automatic grinding system for vacuum cups of claim 5, wherein: the transmission abrasive belt comprises two rotatable transmission wheels and an abrasive belt sleeved on the transmission wheels; a supporting frame (96) is fixed on the mounting seat (93), and the two transmission wheels are respectively connected with the grinding motor (94) and the supporting frame (96).