CN211029398U - Electronic component tip cambered surface grinding device - Google Patents
Electronic component tip cambered surface grinding device Download PDFInfo
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- CN211029398U CN211029398U CN201921651512.9U CN201921651512U CN211029398U CN 211029398 U CN211029398 U CN 211029398U CN 201921651512 U CN201921651512 U CN 201921651512U CN 211029398 U CN211029398 U CN 211029398U
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Abstract
The utility model relates to an electronic component tip cambered surface grinding device belongs to machining technical field, and its technical essential is: the polishing device comprises a base, a polishing assembly and a rack arranged on the upper end surface of the base, wherein the polishing assembly comprises a polishing disc arranged on the upper end surface of the base and a mounting seat arranged above the polishing disc; the mount pad includes and sets up in a plurality of holders of mount pad towards base one end with revolving frame fixed connection's mounting bracket with rotating, and a plurality of holders are used for the fixed mounting dissolved oxygen electrode, and a plurality of holders deviate from base one end and are connected with rotating assembly, and the revolving frame of rotating assembly rotates around its axis with the frame junction. The utility model provides a pair of electronic component tip cambered surface grinding device replaces artifical manual polishing through setting up the subassembly of polishing, sets up a plurality of holders simultaneously, makes things convenient for a plurality of dissolved oxygen electrodes to polish simultaneously, improves the efficiency of polishing.
Description
Technical Field
The utility model belongs to the technical field of the machining technique and specifically relates to an electronic component tip cambered surface grinding device is related to.
Background
A water quality dissolved oxygen detector is a common device for detecting oxygen content in water. The electrode head is covered with a semi-permeable membrane, and oxygen in the liquid penetrates through the semi-permeable membrane to reach the cathode, so that electrons flow between the two electrodes to generate current.
As shown in fig. 7, in order to ensure the detection sensitivity of the sensor, the end of the dissolved oxygen electrode 4 needs to be polished after the production process is completed to remove the glass protective layer 41 formed at the end thereof during the production process. Because the tip of dissolved oxygen electrode is the arc surface setting, for guaranteeing can not damage the pellicle at the in-process of polishing, often polish dissolved oxygen electrode through artifical manual, the manual work is polished and is not only wasted time and energy, and production efficiency is low moreover.
Therefore, a new technical solution is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic component tip cambered surface grinding device replaces artifical manual polishing through setting up the subassembly of polishing, sets up a plurality of holders simultaneously, makes things convenient for a plurality of dissolved oxygen electrodes to polish simultaneously, improves the efficiency of polishing.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a polishing device for an end part cambered surface of an electronic element comprises a base, a polishing assembly and a rack arranged on the upper end surface of the base, wherein the polishing assembly comprises a polishing disc arranged on the upper end surface of the base and a mounting seat arranged above the polishing disc; the mount pad includes with revolving frame fixed connection's mounting bracket and rotates and set up in the mounting bracket towards a plurality of holders of base one end, and is a plurality of the holder is used for fixed mounting dissolved oxygen electrode, and is a plurality of the holder deviates from base one end and is connected with rotating assembly, the rotating assembly revolving frame rotates around its axis with the frame junction.
By adopting the technical scheme, the base and the rack are arranged for installing the polishing component, the installation position required by the work of the polishing component is met, the polishing disc and the installation seat are installed up and down, the dissolved oxygen electrode is fixedly installed on the installation seat, the installation seat is fixedly installed on the rotary frame by arranging the rotary frame on the rack, and the rotary frame and the rack are arranged in a rotating manner, so that the rotary frame drives the dissolved oxygen electrode to rotate, and when the dissolved oxygen electrode is in contact with the polishing disc for polishing, the motion track of the dissolved oxygen electrode is arc-shaped, and the polishing surface of the dissolved oxygen electrode is arc-shaped; through set up a plurality of holders on the mount pad for a plurality of dissolved oxygen electrodes can polish simultaneously, thereby improve the efficiency of polishing.
The utility model discloses further set up to: it is a plurality of the holder all sets up the beam barrel on the mounting bracket including rotating, the inside vertical mounting groove of having seted up of beam barrel, the mounting groove is used for installing dissolved oxygen electrode, the beam barrel has the axle sleeve towards the one end threaded connection of base, the inside friction packing ring that can contradict with dissolved oxygen electrode outer wall that is equipped with of axle sleeve, when the friction packing ring contradicts with the beam barrel tip, the friction packing ring contradicts with dissolved oxygen electrode outer wall.
Through adopting above-mentioned technical scheme, through setting up threaded connection at a shaft section of thick bamboo and axle sleeve, make things convenient for the installation and the dismantlement of dissolved oxygen electrode on the holder, through set up the friction packing ring in the axle sleeve is inside to make the friction packing ring take place deformation when the atress extrudees, thereby make the friction packing ring and the fixed conflict of dissolved oxygen electrode, utilize the frictional force between friction packing ring and the dissolved oxygen electrode, thereby guarantee the fixed mounting of dissolved oxygen electrode in the holder.
The utility model discloses further set up to: the rotating assembly comprises a rotating motor fixedly arranged at the upper end of the rotating frame and a driving gear fixedly arranged at the end part of an output shaft of the rotating motor, the output shaft of the rotating motor is arranged towards one end of the clamping seat, the driving gear is in meshed driving with a plurality of driven gears, and each driven gear is arranged on the clamping seat in a one-to-one correspondence mode.
Through adopting above-mentioned technical scheme, through setting up rotating electrical machines and driving gear to set up driven gear on the holder, driven gear has driving gear meshing drive, thereby makes the rotating electrical machines drive the holder rotatory when rotating, thereby guarantees that the arbitrary position of dissolved oxygen electrode tip can both contact with the dish of polishing and polish, guarantees the effect of polishing.
The utility model discloses further set up to: the number of the clamping seats is even, the clamping seats and the rotating motor are arranged at intervals along the length direction of the mounting frame, so that the driving gear and the driven gear are arranged side by side, and the number of the clamping seats on the two sides of the driving gear is equal.
Through adopting above-mentioned technical scheme, holder and rotating electrical machines set up along the length direction interval of installing frame to make driving gear and driven gear set up side by side, and the number that sets up the holder is the even number, and the holder number of driving gear both sides equals, thereby makes rotating electrical machines be located the rotating frame centre, guarantees that the focus of rotating frame is located its middle part.
The utility model discloses further set up to: the revolving frame is door style of calligraphy and its opening sets up towards base one side, the fixed connecting axle that is equipped with in revolving frame opening side's both ends, the connecting axle rotates with the frame to be connected, be equipped with runner assembly between the one end of frame and the frame, the rotatory frame of runner assembly drive rotates around connecting axle axis direction.
Through adopting above-mentioned technical scheme, through setting up the connecting axle on rotatory frame, realize the rotation of rotatory frame and connect, thereby utilize the rotatory frame of runner assembly drive to make rotatory frame rotate around the connecting axle through setting up runner assembly.
The utility model discloses further set up to: the rack comprises an outer frame fixedly connected with the base and an inner frame arranged on the inner side of the outer frame, and the rotating assembly is arranged on the inner frame; one end of the inner frame is provided with a sliding push cylinder, and the sliding push cylinder drives the inner frame to slide along the length direction of the outer frame through the extension of a piston rod.
By adopting the technical scheme, the inner frame and the outer frame are arranged, the sliding pushing cylinder is arranged at one end of the inner frame, and the telescopic piston rod of the sliding pushing cylinder is utilized, so that the contact position of the polishing disc and the end part of the piston rod is different, and the polishing area of the polishing disc is increased.
The utility model discloses further set up to: one side of the polishing disc, which is far away from the mounting seat, is provided with a sliding assembly, the sliding assembly comprises a chassis and a rodless cylinder arranged between the chassis and the polishing disc, the polishing disc is fixedly connected with a piston rod of the rodless cylinder, and the length direction of the rodless cylinder is perpendicular to the length direction horizontal plane of the sliding pushing cylinder.
Through adopting above-mentioned technical scheme, through set up the slip subassembly in dish one side of polishing, utilize rodless cylinder to drive the dish of polishing and remove, set up rodless cylinder simultaneously and push away the perpendicular setting of jar with the slip to further enlarge the area of polishing of dish, improve the utilization ratio of the dish of polishing.
The utility model discloses further set up to: the rodless cylinder is arranged in the middle of the chassis, sliding rods arranged in parallel with the rodless cylinder are arranged on two sides of the rodless cylinder, two ends of each sliding rod are fixedly connected with the chassis, and the polishing disc is connected with the sliding rods in a sliding mode.
Through adopting above-mentioned technical scheme, set up the slide bar through setting up rodless cylinder in chassis middle part and in rodless cylinder's both sides for rodless cylinder can stably drive one end of the mill of polishing, can also guarantee simultaneously that the mill of polishing keeps steadily at the in-process of polishing.
To sum up, the utility model discloses a beneficial technological effect does: the polishing disc is arranged on the base and is arranged on the rotating frame which is rotatably connected with the rack, the mounting seat is fixedly arranged on the rotating frame, and the rotating assembly is arranged to drive the rotating frame to rotate, so that the mounting seat drives the dissolved oxygen electrode to move in an arc track, and the polishing of the arc surface at the end part of the dissolved oxygen electrode is realized; the plurality of clamping seats are arranged, and the rotating assembly is arranged on the clamping seats, so that the plurality of dissolved oxygen electrodes can be synchronously polished, the end faces of the dissolved oxygen electrodes can be completely polished, and the polishing effect is ensured; by arranging the outer frame and the inner frame and enabling the inner frame to slide along the length direction of the outer frame, the contact area of the dissolved oxygen electrode and the polishing disc is enlarged, and the polishing area of the polishing disc is increased; through deviating from the slip subassembly of polishing dish one side ann commentaries on classics on the chassis, utilize the slip subassembly to drive the slip of polishing dish, further improve the area of polishing dish.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial exploded view of the present invention, mainly showing the connection between the rotating frame and the rotating assembly;
FIG. 3 is a schematic circuit diagram of a portion of the present invention, mainly showing the circuit components of the control unit;
FIG. 4 is a partial cross-sectional view of the present invention, primarily showing the components of the mounting base;
fig. 5 is a partial exploded view of the present invention, mainly showing the components of the sliding assembly;
FIG. 6 is a schematic circuit diagram of a portion of the present invention, mainly showing a control circuit diagram of the pressure sensor to the cylinder;
fig. 7 is an overall structural view of a dissolved oxygen electrode requiring polishing in the prior art.
In the figure: 1. a base; 2. a frame; 21. an outer frame; 22. an inner frame; 23. sliding the pushing cylinder; 3. polishing the assembly; 31. grinding disc; 311. a slider; 32. a mounting seat; 321. a mounting frame; 322. a holder; 3221. a shaft cylinder; 32211. mounting grooves; 3222. a shaft sleeve; 3223. a friction washer; 33. rotating the frame; 331. a connecting shaft; 332. a waist-shaped chute; 34. a rotating assembly; 341. rotating the motor; 342. rotating the block; 343. a slide shaft; 35. a control unit; 351. a drive branch; 352. a control branch; 3521. a control circuit; 3522. a self-locking circuit; 3523. a delay circuit; 36. a sliding assembly; 361. a chassis; 362. a rodless cylinder; 363. a slide bar; 37. a pressure sensor; 38. a cylinder; 39. a rotating assembly; 391. a rotating electric machine; 392. a driving gear; 393. a driven gear; 4. a dissolved oxygen electrode; 41. and a glass protective layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an electronic component tip cambered surface grinding device, including base 1, the subassembly 3 of polishing and set up in the frame 2 of base 1 up end, wherein the subassembly 3 of polishing is including the polishing dish 31 that is provided with the base 1 up end and set up the mount pad 32 that is used for the fixed mounting dissolved oxygen electrode on frame 2. Be connected with swivel frame 33 between mount pad 32 and the frame 2, mount pad 32 is fixed to be set up in swivel frame 33, and swivel frame 33 can overturn from top to bottom around the axis of junction between it and the frame 2 for swivel frame 33 drives the orbit that the dissolved oxygen electrode removed and is the arc, thereby realizes that the friction that forms when dissolved oxygen electrode tip and 31 contact friction of polishing dish personally submits the arc, guarantees that the protective layer of dissolved oxygen electrode tip can evenly polish.
Referring to fig. 1 and 2, the rotating frame 33 is in a shape of a Chinese character 'men' and has an opening facing the direction of the base 1, the two ends of the opening side of the rotating frame 33 are fixedly provided with a connecting shaft 331, and the connecting shaft 331 is rotatably connected with the frame 2, so that the rotating frame 33 can be turned over along the connecting position between the rotating frame and the frame 2. In order to facilitate the stable, uniform and efficient rotation of the rotating frame 33, a rotating component 34 is disposed between one end of the rotating frame 33 along the length direction thereof and the frame 2, and the rotating component 34 drives the rotating frame 33 to rotate around the axis direction of the connecting shaft 331.
Referring to fig. 1 and 2, the rotating assembly 34 includes a rotating motor 341 fixedly connected to the motor and a rotating block 342 fixedly disposed at an end of an output shaft of the rotating motor 341, the rotating block 342 is disposed in a rectangular parallelepiped shape, one end of the rotating block 342 is connected to the rotating motor 341, and the other end is provided with a sliding shaft 343. A waist-shaped sliding groove 332 is vertically formed in the rotating frame 33 corresponding to the sliding shaft 343, the sliding shaft 343 is connected with the waist-shaped sliding groove 332 in a sliding manner, and the waist-shaped sliding groove 332 is positioned above the connecting shaft 331; when the length direction of the rotating block 342 is parallel to the length direction of the waist-shaped sliding slot 332, the sliding shaft 343 is located at one end of the waist-shaped sliding slot 332. The length of the waist-shaped sliding chute 332 is equal to twice the distance between the sliding shaft 343 and the output shaft of the rotating motor 341, and the rotating range of the rotating frame 33 is limited due to the limitation of the sliding shaft 343; when the rotating motor 341 drives the rotating block 342 to rotate, the sliding shaft 343 slides in the kidney-shaped sliding slot 332, so that the rotating frame 33 is deflected by the driving of the sliding shaft 343.
Referring to fig. 3, in order to prevent the dissolved oxygen electrode from being worn due to an excessively long polishing time, the rotating motor 341 is connected to a control unit 35, and the control unit 35 includes a driving branch 351 communicating with the rotating motor 341 and driving the rotating motor 341 to rotate, and a control branch 352 controlling whether the driving branch 351 is turned on or not. Drive branch 351 is connected in external power supply VCC, include and establish ties with rotation motor 341 and set up total control switch SB, and total control switch SB adopts the ship type switch for whether control grinding device totality starts. The control branch 352 includes a control circuit 3521 for controlling whether the rotating motor 341 is powered on or off, a self-locking circuit 3522 for ensuring the rotating motor 341 continuously rotates, a delay circuit 3523 for controlling the rotating time of the rotating motor 341, and a power source VCC for supplying power required for operation.
Referring to fig. 3, the control circuit 3521 includes a push button switch K and an excitation coil of a first relay KM1 connected in series between a power source VCC and the ground, a first normally open contact KM1-1 of the first relay KM1 is connected in series between a master control switch SB and the rotating motor 341, and when the push button switch K is pressed, the excitation coil of the first relay KM1 is energized, so that the first normally open contact KM1-1 is attracted, and the rotating motor 341 is energized and rotates.
Referring to fig. 3, the self-locking circuit 3522 comprises an optocoupler U and a second normally-open contact KM1-2 of a first relay KM1, the optocoupler U comprises a phototransistor Q connected in series between a push-button switch K and an excitation coil of the first relay KM1, and a light emitting diode L ED connected in series between the second normally-open contact KM1-2 and the ground, a light receiving part of the phototransistor Q faces to a light emitting diode L ED, the light emitting diode L ED is connected in parallel with the excitation coil of the first relay KM1, and the second normally-open contact KM1-2 is connected in series with the excitation coil of the first relay KM 1.
Referring to fig. 3, the delay circuit 3523 includes a 555 timer, a trigger circuit coupled to an output end of the 555 timer, and a reset switch KM coupled to the trigger circuit, the trigger circuit includes a first switching element Q1 having a control electrode connected to an output end of the 555 timer, the first switching element Q1 employs an NPN type triode, the reset switch KM employs a normally closed relay, a normally closed contact of the reset switch KM is connected in series between the light emitting diode L ED and the ground, both ends of an energizing coil of the reset switch KM are respectively connected between the power source VCC and a collector of the first switching element Q1, a protection resistor R2 and a third normally open contact KM 25-3 of the first relay KM1 are connected in series between the power source VCC and the ground, a node between the protection resistor R634 and the normally open contact KM1-3 is coupled to a trigger power source VCC end of the 555 timer, when an exciting coil KM1 of the first relay is energized, the third normally open contact 1-3 is closed, the trigger power source terminal of the 555 timer inputs a low level, thereby the output end of the VCC timer is high, the output end of the first switch is turned on, the normally closed switch KM 637 is turned off, and the reset switch KM is turned on and the normally closed, thereby turning off the reset switch KM L of the light emitting diode KM, thereby turning off the first relay.
Referring to fig. 2 and 4, in order to improve polishing efficiency, the mounting seat 32 includes a mounting frame 321 fixedly connected to the rotating frame 33 and a plurality of clamping seats 322 disposed along a length direction of the mounting frame 321, in this embodiment, the number of the clamping seats 322 is four, the clamping seats 322 are disposed at one end of the mounting frame 321 facing the base 1, the clamping seats 322 are used for fixedly mounting the dissolved oxygen electrode, and after the dissolved oxygen electrode is mounted on the clamping seats 322, one end of the dissolved oxygen electrode, which needs to be polished, faces the base 1; thereby make a plurality of dissolved oxygen electrodes polish simultaneously, improve the efficiency of polishing. The plurality of holders 322 each include a shaft 3221 rotatably disposed on the mounting frame 321, and an installation groove 32211 is vertically disposed inside the shaft 3221, and the installation groove 32211 is used for installing a dissolved oxygen electrode.
Referring to fig. 4, in order to facilitate the positioning of the dissolved oxygen electrode in the mounting groove 32211, the mounting groove 32211 is convex; when installed, the end of the dissolved oxygen electrode abuts the mounting groove 32211. A shaft sleeve 3222 is in threaded connection with one end of the shaft sleeve 3221 facing the base 1, a friction washer 3223 which can be abutted against the outer wall of the dissolved oxygen electrode is arranged inside the shaft sleeve 3222, and the friction washer 3223 is made of rubber materials. When the friction washer 3223 abuts against the end of the shaft barrel 3221, the friction washer 3223 is deformed by pressure, so that the friction washer 3223 is fixedly abutted against the outer wall of the dissolved oxygen electrode, and the fixed installation of the dissolved oxygen electrode in the holder 322 is ensured by utilizing the friction force between the friction washer 3223 and the dissolved oxygen electrode.
Referring to fig. 2 and 4, in order to ensure that the end of the dissolved oxygen electrode can be polished more uniformly, one end of the holder 322, which is away from the base 1, is connected with a rotating assembly 39, the rotating assembly 39 includes a rotating electrical machine 391 which is fixedly arranged at the upper end of the rotating frame 33, an output shaft of the rotating electrical machine 391 faces the holder 322, and a driving gear 392 is coaxially and fixedly arranged at the end of the holder 322, the driving gear 392 is engaged and driven by four driven gears 393, and each driven gear 393 is installed and rotated on the holder 322 in a one-to-one correspondence. The four clamping seats 322 are rotatably connected with the mounting frame 321, and in order to ensure that the center of gravity of the rotating frame 33 is located on the center line of the rotating frame 33, the driving gear 392 is located in the middle of the four driven gears 393, so that the number of the clamping seats 322 on the two sides of the driving gear 392 is equal; the driving gear 392 is engaged with two driven gears 393 on both sides thereof, and the two driven gears 393 on both sides of the driving gear 392 are engaged with each other, respectively. When the rotation motor 391 drives the driving gear 392 to rotate, the four driven gears 393 are driven by the driving gear 392 to rotate, so that any position of the end of the dissolved oxygen electrode can be brought into contact with the polishing disk 31 and polished.
Referring to fig. 1 and 5, the frame 2 includes an outer frame 21 fixedly connected to the base 1 and an inner frame 22 disposed on an outer side, the outer frame 21 and the inner frame 22 are both in a shape of a Chinese character 'men', and the opening ends of the outer frame and the inner frame are both disposed toward one side of the base 1. The rotating motor 341 is fixedly connected with the inner frame 22, and the inner frame 22 is slidably connected with the outer frame 21 along the length direction thereof, so that different positions of the polishing disc 31 can be in contact with the end part of the dissolved oxygen electrode, and the damage of the polishing disc 31 caused by the long-time contact polishing of part of the polishing disc 31 and the dissolved oxygen electrode is avoided. One end of the upper end of the inner frame 22 is provided with a sliding push cylinder 23, the cylinder part of the sliding push cylinder 23 is fixedly connected with the outer frame 21, and the end part of the piston rod of the sliding push cylinder 23 is fixedly connected with the inner frame 22, so that when the piston rod of the sliding push cylinder 23 stretches, the inner frame 22 is driven to slide along the length direction of the outer frame 21, and the polishing disc 31 is in different contact positions with the end part of the piston rod.
Referring to fig. 1 and 5, in order to ensure that the polishing disc 31 can be better utilized, a sliding assembly 36 is arranged on one side of the polishing disc 31, which is away from the mounting seat 32, the sliding assembly 36 includes a base plate 361 and a rodless cylinder 362 arranged between the base plate 361 and the polishing disc 31, the polishing disc 31 is fixedly connected with a piston rod of the rodless cylinder 362, and the length direction of the rodless cylinder 362 is perpendicular to the length direction of the sliding push cylinder 23, so that each friction part of the polishing disc 31 can be in contact with the dissolved oxygen electrode for polishing under the matching between the rodless cylinder 362 and the sliding push cylinder 23. The rodless cylinder 362 is arranged in the middle of the chassis 361, in order to ensure the stability of the polishing disc 31 during movement, two sides of the rodless cylinder 362 are provided with a sliding rod 363 arranged in parallel with the sliding rod 362, two ends of the sliding rod 363 are fixedly arranged with the chassis 361, and the lower end of the polishing disc 31 is fixedly provided with a sliding block 311 connected with the sliding rod 363 in a sliding manner, so that the stable sliding of the polishing disc 31 is ensured.
Referring to fig. 5, in order to facilitate the installation and the detachment of the dissolved oxygen electrode on the installation base 32, the four corners of one side of the base plate 361, which is away from the polishing disc 31, are provided with air cylinders 38, the cylinder parts of the four air cylinders 38 are all fixedly connected with the base 1, the piston rods of the air cylinders 38 are fixedly connected with the base plate 361, and the extension of the piston rods of the air cylinders 38 is controlled to drive the base plate 361 to move up and down. When the dissolved oxygen electrode needs to be mounted or dismounted, the piston rod of the air cylinder 38 contracts, so that the polishing disc 31 is far away from the mounting seat 32; when the oxygen dissolving electrode needs to be polished, the piston rod of the air cylinder 38 is extended, so that the polishing disk 31 moves towards the side of the mounting seat 32 until the end of the oxygen dissolving electrode contacts with the polishing disk 31.
Referring to fig. 5 and 6, because the movement track of the dissolved oxygen electrode is arc-shaped, in order to ensure that the dissolved oxygen electrode is in the moving process, the polishing disc 31 can be better contacted with the end part of the dissolved oxygen electrode, and the polishing effect of the end part of the dissolved oxygen electrode is close, a pressure sensor 37 is arranged between the polishing disc 31 and the chassis 361, the pressure sensor 37 is electrically connected with the electromagnetic valve of the air cylinder 38, the opening and closing of the electromagnetic valve of the air cylinder 38 is controlled by arranging the pressure sensor 37, so that the expansion and contraction of the piston rod of the air cylinder 38 are controlled, and the end part of the dissolved oxygen electrode is ensured to be stably contacted with the polishing disc 31.
Referring to fig. 5 and 6, a comparator is connected to the pressure sensor 37, one input terminal of the comparator is connected to the output terminal of the pressure sensor 37, a reference voltage is input to the other input terminal of the comparator, and when the pressure sensor 37 is subjected to different pressures, the voltage value input to the comparator by the pressure sensor 37 is changed, so that the output signal of the comparator is changed. The output end of the comparator is coupled with a second switching element Q2, the control electrode of the second switching element Q2 is coupled with the comparator, the second switching element Q2 also adopts an NPN type triode, an excitation coil of a second relay KM2 is coupled between the collector electrode of the second switching element Q2 and a power supply VCC, and a normally closed contact of the second relay KM2 is connected with the electromagnetic valve in series; the emitter of the second switching element Q2 is connected to ground through a protection resistor R7. In order to conveniently control the equipment and damage the polishing disc 31 caused by the error extension of the air cylinder 38, the electromagnetic valve is connected with the master control switch SB in series, and the normally closed contact of the electromagnetic valve and the second relay KM2 is connected with the rotating motor 341 in parallel, so that the air cylinder 38 extends to drive the polishing disc 31 to be in stable contact with the end part of the dissolved oxygen electrode in the working process of the polishing assembly 3.
Referring to fig. 5 and 6, the pressure sensor 37 is provided with a preset pressure range value, and when the pressure sensor 37 detects that the pressure is smaller than the preset pressure maximum value, the comparator outputs a low level signal, the second switching element Q2 is turned off, the solenoid valve is kept in the power-on state, and the piston rod of the cylinder 38 is extended; when the pressure detected by the pressure sensor 37 is greater than the preset pressure minimum value, the comparator outputs a high level signal, the second switching element Q2 is turned on, the excitation coil of the second relay KM2 is energized, the normally closed contact of the second relay KM2 is opened, the solenoid valve is closed, and the piston rod of the air cylinder 38 is contracted.
The specific implementation process of the embodiment: by fixedly mounting the dissolved oxygen electrode on the mounting seat 32, and enabling the end part of the dissolved oxygen electrode to be polished to face the polishing disc 31; then, the master control switch SB is pressed, and the button switch K is pressed, at this time, the excitation coil of the first relay KM1 is energized, so that the rotating motor 341 rotates; meanwhile, because the dissolved oxygen electrode is not in contact with the polishing disc 31, the electromagnetic valve of the air cylinder 38 is kept in an electrified open state, so that the piston rod of the air cylinder 38 extends, and when the dissolved oxygen electrode is in contact with the polishing disc 31, the on-off state of the electromagnetic valve is adjusted according to the pressure between the dissolved oxygen electrode and the polishing disc 31. When the delay time of the 555 timer is reached, namely the polishing time is finished, the reset switch KM is switched on, so that the normally closed contact of the reset switch KM is switched off, the magnet exciting coil of the first relay KM1 is powered off, the rotating motor 341 stops rotating, the electromagnetic valve of the air cylinder 38 is powered off, and the piston rod of the air cylinder 38 is contracted. And finally, sequentially taking the dissolved oxygen electrodes off the mounting seat 32, and finishing polishing. .
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an electronic component tip cambered surface grinding device which characterized in that: the polishing device comprises a base (1), a polishing assembly (3) and a rack (2) arranged on the upper end surface of the base (1), wherein the polishing assembly (3) comprises a polishing disc (31) arranged on the upper end surface of the base (1) and a mounting seat (32) arranged above the polishing disc (31), a rotating frame (33) is connected between the mounting seat (32) and the rack (2), and the rotating frame (33) is rotatably connected with the rack (2); mount pad (32) include with revolving frame (33) fixed connection's mounting bracket (321) with rotate set up in mounting bracket (321) towards a plurality of holder (322) of base (1) one end, it is a plurality of holder (322) are used for fixed mounting dissolved oxygen electrode, it is a plurality of holder (322) deviate from base (1) one end and are connected with rotating component (39), rotating component (39) drive revolving frame (33) are rotated around its axis with frame (2) junction.
2. The device for grinding the end part arc surface of the electronic component as claimed in claim 1, wherein: a plurality of holder (322) all include and rotate the shaft barrel (3221) of setting on mounting bracket (321), mounting groove (32211) have vertically been seted up to shaft barrel (3221) inside, mounting groove (32211) are used for installing dissolved oxygen electrode, the one end threaded connection of shaft barrel (3221) towards base (1) has axle sleeve (3222), inside friction packing ring (3223) that can contradict with dissolved oxygen electrode outer wall that is equipped with of axle sleeve (3222), when friction packing ring (3223) contradicts with shaft barrel (3221) tip, friction packing ring (3223) contradicts with dissolved oxygen electrode outer wall.
3. The device for grinding the end part arc surface of the electronic component as claimed in claim 2, wherein: the rotating assembly (39) comprises a rotating motor (391) fixedly arranged at the upper end of the rotating frame (33) and a driving gear (392) fixedly arranged at the end part of an output shaft of the rotating motor (391), the output shaft of the rotating motor (391) is arranged towards one end of the clamping seat (322), the driving gear (392) is meshed with and drives a plurality of driven gears (393), and each driven gear (393) is correspondingly arranged on the clamping seat (322) one to one.
4. The device for grinding the end part arc surface of the electronic component as claimed in claim 3, wherein: the number of the clamping seats (322) is even, the clamping seats (322) and the rotating motor (391) are arranged at intervals along the length direction of the mounting frame (321), so that the driving gear (392) and the driven gear (393) are arranged side by side, and the number of the clamping seats (322) on two sides of the driving gear (392) is equal.
5. The device for grinding the end part arc surface of the electronic component as claimed in claim 1, wherein: rotatory frame (33) are door style of calligraphy and its opening and set up towards base (1) one side, rotatory frame (33) open side's both ends are fixed and are equipped with connecting axle (331), connecting axle (331) rotate with frame (2) and are connected, be equipped with rotating assembly (34) between the one end of frame (2) and frame (2), rotating assembly (34) drive rotatory frame (33) rotate around connecting axle (331) axis direction.
6. The device for grinding the end part arc surface of the electronic component as claimed in claim 5, wherein: the rack (2) comprises an outer frame (21) fixedly connected with the base (1) and an inner frame (22) arranged on the inner side of the outer frame (21), and the rotating assembly (34) is arranged on the inner frame (22); one end of the inner frame (22) is provided with a sliding push cylinder (23), and the extension of a piston rod of the sliding push cylinder (23) drives the inner frame (22) to slide along the length direction of the outer frame (21).
7. The device for grinding the end part arc surface of the electronic component as claimed in claim 6, wherein: one side of the polishing disc (31) departing from the mounting seat (32) is provided with a sliding assembly (36), the sliding assembly (36) comprises a base plate (361) and a rodless cylinder (362) arranged between the base plate (361) and the polishing disc (31), the polishing disc (31) is fixedly connected with a piston rod of the rodless cylinder (362), and the length direction of the rodless cylinder (362) is perpendicular to the length direction horizontal plane of the sliding push cylinder (23).
8. The device for grinding the end part arc surface of the electronic component as claimed in claim 7, wherein: the rodless cylinder (362) is arranged in the middle of the chassis (361), two sides of the rodless cylinder (362) are provided with sliding rods (363) arranged in parallel with the rodless cylinder, two ends of each sliding rod (363) are fixedly connected with the chassis (361), and the polishing disc (31) is in sliding connection with the sliding rods (363).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921651512.9U CN211029398U (en) | 2019-09-30 | 2019-09-30 | Electronic component tip cambered surface grinding device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921651512.9U CN211029398U (en) | 2019-09-30 | 2019-09-30 | Electronic component tip cambered surface grinding device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993187A (en) * | 2020-09-08 | 2020-11-27 | 广西职业技术学院 | Synchronous grinding device of inside and outside wall of computer machine case |
| CN114178957A (en) * | 2020-08-24 | 2022-03-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Face-piece polishing device |
| CN115771081A (en) * | 2023-02-11 | 2023-03-10 | 廊坊天雅桥隧设备制造有限公司 | Grinding device is used in various steel sheet production |
-
2019
- 2019-09-30 CN CN201921651512.9U patent/CN211029398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178957A (en) * | 2020-08-24 | 2022-03-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Face-piece polishing device |
| CN111993187A (en) * | 2020-09-08 | 2020-11-27 | 广西职业技术学院 | Synchronous grinding device of inside and outside wall of computer machine case |
| CN115771081A (en) * | 2023-02-11 | 2023-03-10 | 廊坊天雅桥隧设备制造有限公司 | Grinding device is used in various steel sheet production |
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