CN109774082B - Automatic milling machine - Google Patents
Automatic milling machine Download PDFInfo
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- CN109774082B CN109774082B CN201811616620.2A CN201811616620A CN109774082B CN 109774082 B CN109774082 B CN 109774082B CN 201811616620 A CN201811616620 A CN 201811616620A CN 109774082 B CN109774082 B CN 109774082B
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- sucking disc
- sucker
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- mounting plate
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Abstract
The invention relates to the field of notebook computer manufacturing, in particular to an automatic material milling machine which comprises a placing table for placing a shell, a milling cutter device for milling waste materials, a control unit and a sucker device, wherein the sucker device comprises a sucker, a mounting plate for mounting the sucker, a power device controlled by the control unit and a vacuum device for providing negative pressure for the sucker, a through groove is formed in the mounting plate, the sucker is in sliding fit with the mounting plate through the through groove, the sucker is connected with the output end of the power device, and the power device drives the sucker to move in the through groove of the mounting plate. The invention can avoid the problem that the shell is unbalanced in stress when the shell is taken and placed due to the failure of the sucker device.
Description
Technical Field
The invention belongs to the field of notebook computer manufacturing, and particularly relates to an automatic milling machine.
Background
After the production of the notebook computer housing, the housing is removed from the injection mold with a stub bar, so that the stub bar is first removed when the housing is removed from the mold. In the prior art, the method for milling the stub bar of the notebook computer shell comprises the steps of taking out a product from a die, and then placing the product on an automatic milling machine in the prior art for milling.
For example, chinese patent publication No. CN105773931B discloses a milling structure, which includes: a support; the feeding sliding table is movably arranged in the bracket, and a positioning jig for placing a product to be processed is arranged on the feeding sliding table; the pressing cylinder is fixed above the feeding sliding table; the pressing plate is connected with the pressing cylinder, and a sucker is arranged on the pressing plate; one end of each of the at least two guide rods is connected to the bottom of the feeding sliding table; the two ends of the supporting plate are respectively pivoted on the guide rods, a sliding table plate is movably arranged on the supporting plate, and a jig plate is arranged on the sliding table plate; the stepping motor is arranged below the supporting plate; the screw rod is connected with the stepping motor, a ball nut is sleeved on the screw rod, and the ball nut is connected with the jig plate through a connecting block; a screw, one end of which is screwed into the first horizontal plate; and the milling cutters are arranged on the jig plate and are in contact with the product stub bars. The milling structure of this scheme adjusts the height of milling cutter through twisting the screw rod, can realize milling to the stub bar.
Most of existing notebook computer shells are produced automatically, and when the notebook computer shells are milled, the shells are taken, placed and transported by the aid of the sucker devices. The sucking disc of sucking disc device is made for rubber material mostly, and the sucking disc directly wears very easily with the shell contact, and the sucking disc is worn and torn the back adsorption efficiency very poor. In automated production, the sucking disc device can be in operating condition always, and the maintenance personal mostly inspects the sucking disc device through the mode of patrolling and examining, hardly judges the wearing and tearing state of sucking disc when patrolling and examining moreover. The sucker devices are generally adsorbed on four corners of the shell when adsorbing the shell so as to keep the balance of the shell, if a certain abraded sucker is not replaced in time, the shell cannot be adsorbed, so that the sucker devices are difficult to keep the balance of the shell and are easy to drop, and on one hand, the shell can be damaged when the shell drops; on the other hand, dropping the housing onto other equipment is likely to cause malfunction of the other equipment.
Disclosure of Invention
The invention aims to provide an automatic milling machine, which solves the problem that the stress of a shell is unbalanced when the shell is taken and placed due to the failure of a sucker.
The basic scheme provided by the invention is as follows: the utility model provides an automatic mill material machine, including placing the platform of placing of shell, mill milling cutter device and the control unit of waste material, still include the sucking disc device, the sucking disc device includes the sucking disc, install the mounting panel of sucking disc, the power device who receives the control of unit and the vacuum apparatus who provides the negative pressure for the sucking disc, logical groove has been seted up on the mounting panel, the sucking disc is through leading to groove and mounting panel sliding fit, the sucking disc is connected with power device's output, power device drives the sucking disc and moves at the logical inslot of mounting panel.
The invention has the beneficial effects that:
according to the invention, when the sucker fails, the control unit controls the power device to work, and the position of the sucker is adjusted by the power device, so that the sucker can find a balanced adsorption position on the shell, the problem that the shell of the sucker is unbalanced in stress due to the sucker failure can be avoided, and the problem that the shell falls off due to unbalanced stress is solved.
Further, be equipped with the cavity in the sucking disc, the cavity divide into inner wall and outer wall with the lateral wall of sucking disc, be equipped with detecting element in the cavity, detecting element includes the power, the identical and parallel first parallel plate and the second parallel plate of each other and the insulating spring who sets firmly between inner wall and outer wall of being made by the metal, first parallel plate and second parallel plate respectively with sucking disc outer wall and sucking disc inner wall fixed connection, first parallel plate, the second parallel plate passes through the wire and forms detection loop with the power, it can sense the current sensor who detects current change on the detection circuit to concatenate on the detection loop, current sensor and the control unit signal connection.
The detection circuit in the cavity of the sucker detects the sucker: when sucking disc and shell contact, the outer wall receives the effect of pressure and to inner wall position motion, can compress insulating spring, and first parallel plate and second parallel plate can slowly be close to until the contact simultaneously, and when first parallel plate and second parallel plate contact, the detection return circuit can the switch-on, and the current sensor that is located on the detection return circuit can sensing current signal and send for the control unit. If the current signal keeps unchanged, judging that the shell is adsorbed by the sucker, and determining that the sucker is a normal sucker; if the current signal disappears, the sucker is judged to be incapable of adsorbing the shell, and the sucker is a fault sucker.
Has the advantages that: the invention can realize the purpose of detecting the adsorption function of the sucker and can detect the fault sucker. What pressure sensor detected is direct contact's pressure signal, and the sucking disc is mostly elastic material such as rubber and makes, and the sucking disc can take place deformation when receiving pressure, can eliminate partial pressure during deformation, and the striking that adopts pressure sensor detecting element can have unsafe problem. The detection device in this embodiment detects whether to adsorb the shell through the deformation of the sucker, and this detection mode is more sensitive. On the other hand, the pressure sensor is unstable in its operating state in a negative pressure operating environment.
Furthermore, an elastic element is fixedly arranged between the sucker and the mounting plate. Has the advantages that: the spring has the characteristics of low price and stable operation.
Furthermore, the sucking disc comprises a suction nozzle and a connecting column fixedly connected with the suction nozzle, and the connecting column is connected with the output end of the power device.
Further, the suction nozzle is communicated with a vacuum device through an air pipe, and the vacuum device provides negative pressure for the suction nozzle.
Further, the suction cup device further comprises a mechanical arm controlled by the control unit.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural diagram of a suction cup device in an automatic milling machine according to the present invention;
FIG. 2 is a schematic structural diagram of a first suction cup of the automatic milling machine according to the present invention;
FIG. 3 is a schematic circuit diagram of a detection circuit in the automatic milling machine of the present invention;
fig. 4 is a schematic structural diagram of a detection circuit in the automatic milling machine of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Reference numerals in the drawings of the specification include:
the vacuum suction device comprises a fixing plate 1, a first suction cup mounting plate 2, a second suction cup mounting plate 3, a suction nozzle 401, a first connecting block 402, an elastic element 403, a second connecting block 404, a third connecting block 405, a connecting column 406, a first suction cup 41, a second suction cup 42, a third suction cup 43, a fourth suction cup 44, a first linear motor 51, a first connecting rod 501, a second linear motor 52, a second connecting rod 502, a third linear motor 53, a third connecting rod 503, a fourth linear motor 54, a fourth connecting rod 504, a first motor mounting plate 6, a second motor mounting plate 7, an air pipe 8, a first parallel plate B1, a second parallel plate B2, an insulating spring B3, a power supply U, a switch K and a current sensor A.
An automatic milling machine comprises a base, a placing table for placing a notebook computer shell, a milling cutter device for milling a material head, a sucking disc device for automatically taking and placing the shell, a mechanical arm for driving the sucking disc device to move, and a control unit for controlling the actions of the milling cutter device and the mechanical arm. In the embodiment, the control unit can adopt a programmable controller of the model of CPlH-XA40DR-A of OMRON, and the PLC controller is convenient to program and stable in performance.
The base upper end welded fastening has the support, the support top with place a welded fastening. The mechanical arm is realized by the mechanical arm in the prior art, and the milling cutter device is a milling cutter device in an automatic milling device disclosed in the Chinese patent with the publication number of CN 106273202A.
As shown in fig. 1: sucking disc device, including fixed plate 1, the left end bottom surface fixedly connected with of fixed plate 1 and fixed plate 1 vertically first sucking disc mounting panel 2, the right-hand member bottom surface fixedly connected with of fixed plate 1 and fixed plate 1 vertically second sucking disc mounting panel 3 all offer on first sucking disc mounting panel 2 and the second sucking disc mounting panel 3 with fixed plate 1 vertically logical groove.
The through groove of the first sucker mounting plate 2 is internally provided with a first sucker 41 and a second sucker 42, and the first sucker 41 and the second sucker 42 are respectively in sliding fit with the inner side wall of the through groove of the first sucker mounting plate 2. The logical inslot of second sucking disc mounting panel 3 is equipped with third sucking disc 43 and fourth sucking disc 44, third sucking disc 43 and fourth sucking disc 44 respectively with the inside wall sliding fit in logical groove of second sucking disc mounting panel 3.
The outer side surface of the left end of the fixing plate 1 is also fixedly connected with a first motor mounting plate 6, a first linear motor 51 and a second linear motor 52 are fixedly mounted on the first motor mounting plate 6, the output end of the first linear motor 51 is connected with the first suction cup 41 through a first connecting rod 501, and the output end of the second linear motor 52 is connected with the second suction cup 42 through a second connecting rod 502.
The outer side surface of the right end of the fixing plate 1 is also fixedly connected with a second motor mounting plate 7, a third linear motor 53 and a fourth linear motor 54 are fixedly mounted on the second motor mounting plate 7, the output end of the third linear motor 53 is connected with the third suction cup 43 through a third connecting rod, and the output end of the fourth linear motor 54 is connected with the fourth suction cup 44 through a fourth connecting rod 504.
The first suction cup 41, the second suction cup 42, the third suction cup 43 and the fourth suction cup 44 are communicated with each other through the air pipe 8, an air inlet of the air pipe 8 is communicated with a vacuum device, and the vacuum device provides negative pressure for the first suction cup 41, the second suction cup 42, the third suction cup 43 and the fourth suction cup 44. The vacuum device adopts a vacuum pump, in particular a Fujiwara negative pressure oil-free vacuum pump.
The first suction cup 41, the second suction cup 42, the third suction cup 43 and the fourth suction cup 44 are identical in structure.
As shown in fig. 2: first sucking disc 41 includes suction nozzle 401, first connecting block 402, second connecting block 404, third connecting block 405 and spliced pole 406, suction nozzle 401 and trachea 8 intercommunication, suction nozzle 401's upper end and first connecting block 402 fixed connection, be equipped with elastic element 403 between first connecting block 402 and the second connection, elastic element 403 respectively with first connecting block 402 and second connecting block 404 fixed connection, the upper surface of second connecting block 404 and the lower surface sliding fit of first sucking disc mounting panel 2, the top of second connecting block 404 has still set firmly spliced pole 406, spliced pole 406 and the logical groove sliding fit of first sucking disc mounting panel 2, set firmly third connecting block 405 with the upper surface sliding fit of first sucking disc mounting panel 2 on the spliced pole 406, the connecting block is connected with the defeated mountain shaft of first linear motor 51 through first connecting rod 501.
A cavity is arranged in the suction nozzle 401, the cavity divides the side wall of the suction nozzle 401 into an inner wall and an outer wall, and a detection device is arranged between the inner wall and the outer wall, as shown in fig. 3 and 4: the detection device comprises a power supply U, a first parallel plate B1 and a second parallel plate B2 which are made of metal and are completely identical and parallel to each other, and an insulating spring B3 vertically and fixedly arranged between an inner wall and an outer wall, wherein the first parallel plate B1 and the second parallel plate B2 are fixedly connected with the outer wall and the inner wall respectively. The first parallel board B1 and the second parallel board B2 form a switch K as shown in FIG. 3, the switch K and the power supply U form a detection loop, and a current sensor A capable of sensing current changes of the detection circuit is connected in series on the detection loop. The power source U is a conventional five-volt button cell battery, and the ACS712TELC Hall sensor can be adopted as the current sensor A.
The first linear motor 51, the second linear motor 52, the third linear motor 53 and the fourth linear motor 54 are all controlled by the control unit, and the current sensor a can send signals to the control unit.
The working process of the embodiment:
1) transport shell
The control unit controls the mechanical arm to move, the mechanical arm drives the sucker device to reach the position of the shell, meanwhile, the vacuum device is controlled to provide negative pressure for the sucker, and the shell is adsorbed by the suction nozzle 401 of the sucker to be transported.
2) Detection sucker
The suction cup is detected by a detection circuit in the suction nozzle 401: when the suction nozzle 401 of the suction cup is in contact with the shell, the outer wall moves towards the inner wall under the action of pressure, the insulation spring B3 can be compressed, the first parallel plate B1 and the second parallel plate B2 can slowly approach until the contact is achieved, when the first parallel plate B1 and the second parallel plate B2 are in contact, the detection circuit can be connected, and the current sensor A on the detection circuit can sense a current signal and send the current signal to the control unit. If the current signal keeps unchanged, the sucker is judged to be completely adsorbed on the shell; if the current signal disappears, the sucker is judged to be incapable of adsorbing the shell, and the sucker is a fault sucker.
3) Position adjustment
After judging and obtaining trouble sucking disc, the action of control unit control robotic arm and linear electric motor adjusts the position of sucking disc in order to let the sucking disc find balanced position, adjustment process on the shell: 1) if the first suction cup 41 fails, the control unit controls the second linear motion to move the second suction cup 42 to the position of the middle line of the third suction cup 43 and the fourth suction cup 44 on the first mounting plate (the second suction cup 42, the third suction cup 43 and the fourth suction cup 44 are respectively positioned on three vertexes of an isosceles triangle); 2) if the first suction cup 41 and the second suction cup 42 are in failure, the control unit controls the mechanical arm, the third linear motor 53 and the fourth linear motor 54 to move, so that the third suction cup 43 and the fourth suction cup 44 are positioned on the central axis of the shell; 3) if the first suction cup 41 and the third suction cup 43 are in failure, the control unit controls the second linear motor 52 and the fourth linear motor 54 to act to adjust the second suction cup 42 and the fourth suction cup 44 to the same diagonal position of the shell; 4) if the first suction cup 41, the second suction cup 42 and the third suction cup 43 are damaged at the same time, the control unit controls the robot arm and the fourth linear motor 54 so that the fourth suction cup 44 is located at the center of gravity of the housing.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides an automatic mill material machine, including placing the platform, milling cutter device and the control unit who mills the waste material of placing the shell, its characterized in that: the vacuum sucking disc device comprises a sucking disc, a mounting plate for mounting the sucking disc, a power device controlled by a control unit and a vacuum device for providing negative pressure for the sucking disc, wherein a through groove is formed in the mounting plate, the sucking disc is in sliding fit with the mounting plate through the through groove, the sucking disc is connected with the output end of the power device, and the power device drives the sucking disc to move in the through groove of the mounting plate; be equipped with the cavity in the sucking disc, the cavity divide into inner wall and outer wall with the lateral wall of sucking disc, be equipped with detecting element in the cavity, detecting element includes the power, the identical and parallel first parallel plate and the second parallel plate of each other and set firmly the insulating spring between inner wall and outer wall made by the metal, first parallel plate and second parallel plate respectively with sucking disc outer wall and sucking disc inner wall fixed connection, first parallel plate, the second parallel plate passes through the wire and forms the detection return circuit with the power, it has the current sensor that can sense current change on the detection circuit to concatenate on the detection return circuit, current sensor and the control unit signal connection.
2. The automatic milling machine according to claim 1, characterized in that: an elastic element is fixedly arranged between the sucker and the mounting plate.
3. The automatic milling machine according to claim 2, characterized in that: the elastic element is a spring.
4. The automatic milling machine according to claim 3, characterized in that: the sucking disc includes the suction nozzle and the spliced pole with suction nozzle fixed connection, and the spliced pole is connected with power device's output.
5. The automatic milling machine according to claim 4, characterized in that: the suction nozzle is communicated with a vacuum device through an air pipe, and the vacuum device provides negative pressure for the suction nozzle.
6. The automatic milling machine according to claim 5, characterized in that: the suction cup device further comprises a mechanical arm controlled by the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616620.2A CN109774082B (en) | 2018-12-27 | 2018-12-27 | Automatic milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616620.2A CN109774082B (en) | 2018-12-27 | 2018-12-27 | Automatic milling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774082A CN109774082A (en) | 2019-05-21 |
| CN109774082B true CN109774082B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811616620.2A Active CN109774082B (en) | 2018-12-27 | 2018-12-27 | Automatic milling machine |
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| CN (1) | CN109774082B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900966A (en) * | 2017-12-29 | 2018-04-13 | 广州酷刻科技有限公司 | A kind of sucker module of independent control |
| CN108093568A (en) * | 2017-12-25 | 2018-05-29 | 芜湖慧宇商贸有限公司 | A kind of pcb board automatically processing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6619922B2 (en) * | 1999-05-21 | 2003-09-16 | Vortex Holding Company | Vortex attractor for planar and non-planar surfaces |
| TW524421U (en) * | 2001-12-19 | 2003-03-11 | Aurotek Corp | Full automatic substrate processing machine |
| CN202481753U (en) * | 2012-03-09 | 2012-10-10 | 深圳市华星光电技术有限公司 | Transfer equipment for liquid crystal panel |
| CN106273202A (en) * | 2015-05-25 | 2017-01-04 | 汉达精密电子(昆山)有限公司 | Automatic milling device |
| CN107545639A (en) * | 2017-10-14 | 2018-01-05 | 蒋秋菊 | Portable bus in-car passenger's crowded state detection means and pre- display systems |
| CN109057349A (en) * | 2018-07-23 | 2018-12-21 | 王迅 | A kind of unmanned plane formula three-dimensional building printer |
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2018
- 2018-12-27 CN CN201811616620.2A patent/CN109774082B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108093568A (en) * | 2017-12-25 | 2018-05-29 | 芜湖慧宇商贸有限公司 | A kind of pcb board automatically processing device |
| CN107900966A (en) * | 2017-12-29 | 2018-04-13 | 广州酷刻科技有限公司 | A kind of sucker module of independent control |
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| CN109774082A (en) | 2019-05-21 |
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