CN107846642B - High-strength telephone receiver upper cover - Google Patents
High-strength telephone receiver upper cover Download PDFInfo
- Publication number
- CN107846642B CN107846642B CN201711404965.7A CN201711404965A CN107846642B CN 107846642 B CN107846642 B CN 107846642B CN 201711404965 A CN201711404965 A CN 201711404965A CN 107846642 B CN107846642 B CN 107846642B
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- Prior art keywords
- dispensing
- glue
- polishing
- plate
- upper cover
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- 239000003292 glue Substances 0.000 claims abstract description 83
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 238000005498 polishing Methods 0.000 claims description 97
- 238000004140 cleaning Methods 0.000 claims description 56
- 238000000576 coating method Methods 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 34
- 239000007921 spray Substances 0.000 claims description 34
- 230000001680 brushing effect Effects 0.000 claims description 26
- 239000010410 layer Substances 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/105—Manufacture of mono- or stereophonic headphone components
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a high-strength telephone receiver upper cover, which comprises an upper cover plate, a lower cover plate and a reinforcing plate; the bottom of the upper cover plate is provided with a first groove, the top of the lower cover plate is provided with a second groove, the first groove and the second groove are mutually spliced to form a reinforcing plate accommodating cavity, and the reinforcing plate is arranged in the reinforcing plate accommodating cavity; the top of the upper cover plate is provided with a circle of glue overflow groove, the depth of the glue overflow groove is smaller than the thickness of the upper cover plate, and two sides of the middle of the glue overflow groove respectively protrude outwards to form a glue containing cavity; the upper cover plate, the reinforcing plate and the lower cover plate are adhered and fixed into a whole; the upper surface of the upper cover plate is coated with the protective layer, so that the strength of the upper cover plate is improved, the stability is good, the tolerance is good, and the service life is prolonged.
Description
Technical Field
The invention relates to a receiver upper cover, in particular to a high-strength receiver upper cover.
Background
In the background of rapid development of electronic technology, portable electronic devices for mobile communication are changed in a light and thin direction, so that the thickness of a required receiver is thinner and thinner, but a certain area can be ensured. Therefore, people begin to use ultrathin receivers with large diaphragms to be applied to mobile communication equipment, and the large and thin space characteristics of the mobile communication equipment are fully utilized, but many practical problems are often caused by poor ventilation and corresponding complex processes.
Patent "CN201620668767.6" discloses a telephone receiver, including the telephone receiver main part, locate the protecgulum on the telephone receiver main part, and set firmly in PCB board on the protecgulum, be equipped with micro-electromechanical system on the PCB board, micro-electromechanical system includes amplifier chip and a plurality of transducer, a plurality of the transducer is in square audio frequency directional transducer array is constituteed on the PCB board.
But this protecgulum of receiver simple structure, intensity is lower, and stability is not good, in order to increase receiver's tolerance performance, improves its life, needs to coat a layer of protection film on its external surface.
Disclosure of Invention
Aiming at the problems, the invention provides the high-strength telephone receiver upper cover, which has the advantages of improving the strength, along with good stability, good tolerance and prolonging the service life.
The specific technical scheme is as follows:
A high-strength receiver upper cover comprises an upper cover plate, a lower cover plate and a reinforcing plate; the bottom of the upper cover plate is provided with a first groove, the top of the lower cover plate is provided with a second groove, the first groove and the second groove are mutually spliced to form a reinforcing plate accommodating cavity, and the reinforcing plate is arranged in the reinforcing plate accommodating cavity;
The top of the upper cover plate is provided with a circle of glue overflow groove, the depth of the glue overflow groove is smaller than the thickness of the upper cover plate, and two sides of the middle of the glue overflow groove respectively protrude outwards to form a glue containing cavity;
A circle of bonding plates are arranged on the outer side wall of the reinforcing plate, a circle of upper inserting plates and a circle of lower inserting plates are respectively arranged on the upper end face and the lower end face of the bonding plates, the upper inserting plates are arranged in upper inserting plate fixing grooves at the bottom of the upper cover plate in a plug-in mode, the lower inserting plates are arranged in lower inserting plate fixing grooves at the top of the lower cover plate in a plug-in mode, bonding gaps are reserved between the upper inserting plates and the upper inserting plate fixing grooves, a glue inlet channel is arranged on the upper cover plate and used for filling adhesive into the bonding gaps, and the upper cover plate, the reinforcing plate and the lower cover plate are fixed into a whole;
the upper surface of the upper cover plate is coated with a protective layer.
Further, the cross section of the glue containing cavity is of a diamond structure, and the depth of the glue overflow groove is half of the thickness of the upper cover plate.
Further, the upper cover is also provided with a plurality of positioning holes and sound outlet holes.
Further, the coating method of the protective layer is as follows:
(1) Polishing the upper surface of the upper cover by using a polishing device in the coating system;
(2) Coating two layers of protective layers on the upper cover by using a brushing mechanism in a coating system, wherein the thickness of the first layer of protective layer is 0.1-0.3mm, and the thickness of the second layer of protective layer is 1-2mm;
The coating system comprises a polishing device, a brushing mechanism and a transmission mechanism;
The transmission mechanism comprises a workbench, a first lead screw and a second lead screw are rotatably arranged on the workbench along the length direction of the workbench through a bearing seat, the first lead screw is connected with a third motor, the second lead screw is connected with a fourth motor, a fixed base is arranged on the first lead screw and the second lead screw through screw thread fit, a fixed clamp is arranged on the fixed base, the fixed base is controlled by the third motor and the fourth motor to reciprocate along the first lead screw and the second lead screw, the fixed clamp comprises a fixed clamp bottom plate, two supporting side walls are vertically arranged on the fixed clamp bottom plate, an adjusting groove is respectively arranged on the inner walls opposite to the two supporting side walls, the adjusting groove is connected with the fixed pressing plate through a spring, and a top block corresponding to a positioning hole and a sound outlet hole is arranged on the fixed clamp bottom plate and used for supplementing the upper surface of the upper cover into a complete plane;
the polishing device and the brushing mechanism are fixed on the workbench;
The polishing device comprises a polishing component fixing frame fixed on the workbench, and a pre-cleaning mechanism, a polishing mechanism and a post-cleaning mechanism are sequentially arranged on the polishing component fixing frame from left to right;
The workbench is provided with a liquid collecting tank which is of a quadrangular frustum pyramid structure with a large upper part and a small lower part, the liquid collecting tank is positioned between the first lead screw and the second lead screw and below the polishing device, the bottom of the liquid collecting tank is provided with a filter tank, a filter plate layer, an activated carbon layer and a gravel layer are sequentially arranged in the filter tank from top to bottom, and a water outlet is arranged below the gravel layer; the liquid collecting tank is used for collecting waste liquid, and after the waste liquid is filtered by the filtering tank, clear water is discharged from the water outlet for recycling;
The pre-cleaning mechanism comprises a pre-cleaning mechanism fixing seat, a first spray head, a cleaning roller and a second spray head are sequentially arranged at the bottom of the pre-cleaning mechanism fixing seat from left to right, the first spray head is a direct spray head, the second spray head is an atomization spray head, the cleaning roller comprises a cleaning roller body, the cleaning roller body is rotatably arranged at the bottom of the pre-cleaning mechanism fixing seat, a circle of soft brush with the thickness of 2-3cm is coated on the cleaning roller body, the soft brush is in contact with a fixing clamp, the cleaning roller is controlled to rotate by a third motor, and the cleaning roller rotates clockwise;
The polishing mechanism comprises a polishing mechanism fixing seat, a first polishing roller and a second polishing roller are sequentially and rotatably arranged at the bottom of the polishing mechanism fixing seat from left to right, the first polishing roller comprises a first polishing roller body, three rings of first bristle brushes are arranged on the first polishing roller body at intervals, the second polishing roller comprises a second polishing roller body, two rings of second bristle brushes are arranged on the second polishing roller body at intervals, the first bristle brushes on the first polishing roller and the second bristle brushes on the second polishing roller are arranged in a staggered mode, the first polishing roller is controlled to rotate through a fourth motor, and the second polishing roller is controlled to rotate through a fifth motor;
the rear cleaning mechanism comprises a rear cleaning mechanism fixing seat, a third spray head and an air ejector tube are sequentially arranged at the bottom of the rear cleaning mechanism fixing seat from left to right, and the third spray head is a direct spray head;
the brushing mechanism comprises a brushing component fixing frame fixed on the workbench, and a first dispensing mechanism, a first glue pressing mechanism, a first heating mechanism, a second dispensing glue pressing mechanism and a second heating mechanism are sequentially arranged on the brushing component fixing frame from left to right;
The first dispensing mechanism comprises a first dispensing mechanism fixing seat fixed on the brushing component fixing frame, the first dispensing mechanism fixing seat is fixedly connected with one ends of a plurality of guide rods, the other ends of the guide rods movably penetrate through the brushing component fixing frame, an air cylinder is fixed on the brushing component fixing frame, a push rod of the air cylinder is connected with the first dispensing mechanism fixing seat, and at least two dispensing components are arranged on the first dispensing mechanism fixing seat;
The dispensing assembly comprises an outer dispensing rubber tube, an inner dispensing rubber tube and a dispensing cavity, wherein the dispensing cavity with a cylindrical structure is arranged in a first dispensing rubber tube fixing seat, a circle of inner supporting rings and a circle of outer supporting rings are arranged at the bottom of the dispensing cavity, a buffer cavity is formed between the inner supporting rings and the outer supporting rings in a surrounding mode, an upper supporting ring is fixed at the tops of the inner supporting rings and the outer supporting rings, the inner dispensing rubber tube penetrates through the first dispensing rubber tube fixing seat to be fixedly connected with the inner wall of the inner supporting rings and the inner wall of the upper supporting rings, a piston ring is arranged in the buffer cavity, the outer dispensing rubber tube is coated outside the inner dispensing rubber tube, and the top of the outer dispensing rubber tube penetrates through the first dispensing rubber tube fixing seat to be fixedly connected with the piston ring; the top of the inner point rubber tube is provided with a plug cover, the top of the plug cover is provided with a plurality of plug rods, the bottom of each plug rod penetrates through the upper supporting ring to be fixedly connected with the piston ring, a compression spring is arranged outside the plug rods in a coating mode, the compression spring is fixed between the bottom of the upper supporting ring and the top of the piston ring, when the compression spring is in a free state, the lowest point of the inner point rubber tube is located above the lowest point of the outer point rubber tube, the top of the dispensing cavity is provided with a first glue inlet pipeline, and paint is injected into the dispensing cavity through the first glue inlet pipeline;
The first glue pressing mechanism comprises a first glue pressing roller, the first glue pressing roller is rotatably arranged on a first glue pressing roller fixing seat, and the first glue pressing roller fixing seat is fixed on a brush coating assembly fixing frame;
The first heating mechanism and the second heating mechanism are electric heating plates fixed on a brush coating assembly fixing frame;
The second dispensing and pressing mechanism comprises a second dispensing mechanism fixing seat fixed on the brush coating assembly fixing frame, a strip-shaped glue outlet plate is arranged on the second dispensing mechanism fixing seat, the top of the glue outlet plate penetrates through the second dispensing mechanism fixing seat to be connected with a second glue inlet pipeline, a glue scraping plate is arranged on the right side of the glue outlet plate, and the second glue inlet pipeline is used for injecting paint into the glue outlet plate;
The concentration of the coating in the first dispensing mechanism is smaller than that in the second dispensing and pressing mechanism;
The soft brush is made of nylon; the first bristle brush and the second bristle brush are made of silicon carbide;
The rotation speed of the first polishing roller is greater than that of the second polishing roller;
The distance L1 between two adjacent first bristle brushes on the first polishing roller is less than or equal to the width L2 of the second bristle brushes on the second polishing roller.
The specific workflow of the protective layer coating is as follows:
(1) Firstly, fixing a front cover through two fixed pressing plates, controlling a fixed base to move from left to right along a first screw rod and a second screw rod through a first motor and a second motor, spraying clean water through a first spray head to perform treatment and cleaning, spraying water through an atomization spray head to wet after cleaning a soft brush on a cleaning roller, polishing the front cover through the first polishing roller and the second polishing roller in a layering manner, moving the polished front cover to the lower part of a rear cleaning mechanism, cleaning through spraying water through a third spray head, and performing primary drying through an air jet pipe;
the liquid collecting tank is used for collecting waste liquid, and after the waste liquid is filtered by the filtering tank, clear water is discharged from the water outlet for recycling;
(2) During coating operation, the polished upper cover fixed in the fixed clamp is controlled by the third motor and the fourth motor to move rightwards along the first screw rod and the second screw rod, when the upper cover moves to the lower part of the first dispensing mechanism, the cylinder is started, the outer dispensing tube of the dispensing assembly presses the upper cover and moves upwards along with the upper cover, so that the plug rod is driven to move to lift the plug cover, coating is dripped on the upper cover from the inner dispensing tube, the cylinder is lifted, the fixed base continues to move, the first dispensing mechanism smoothes the coating in the first stirring and mixing cavity and heats and dries the coating through the first heating mechanism, the fixed base continues to move to the lower part of the second dispensing and pressing mechanism, and the dispensing plate upwards covers the coating in the second stirring and mixing cavity and scrapes the coating through the scraping plate, and then the coating is sent to the second heating mechanism for heating and drying.
In summary, the invention improves the self strength of the upper cover, has good stability and tolerance, prolongs the service life, and the glue overflow groove is used for accommodating the surplus paint in the coating process, meanwhile, the coating system is used for coating two layers of protective films on the upper cover of the receiver, improves the adhesion rate and flatness of the coating, improves the automation degree, improves the production efficiency and reduces the production cost.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a sectional view taken along the direction A-A in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
Fig. 4 is a block diagram of a coating system of the present invention.
FIG. 5 is a block diagram of a brushing mechanism according to the present invention.
Fig. 6 is a top view of the transfer mechanism of the present invention.
Fig. 7 is a partial cross-sectional view of a first dispensing mechanism of the present invention.
Fig. 8 is a cross-sectional view of a second dispensing mechanism of the present invention.
FIG. 9 is a block diagram of a polishing apparatus according to the present invention.
FIG. 10 is a partial cross-sectional view of a sump of the transfer mechanism of the present invention.
Fig. 11 is a view showing the construction of a first polishing roller according to the present invention.
Fig. 12 is a view showing the construction of a second polishing roller according to the present invention.
Reference numerals:
a brushing mechanism 2, a polishing device 3, a transmission mechanism 4,
Upper cover plate 11, lower cover plate 12, reinforcing plate 13, glue overflow groove 14, glue containing cavity 15, adhesive plate 16, upper plug plate 17, lower plug plate 18, adhesive gap 19, positioning hole 110, sound outlet 111, glue inlet channel 112,
The brush coating machine comprises a workbench 21, a brush coating assembly fixing frame 22, a first lead screw 23, a second lead screw 24, a third motor 25, a fourth motor 26, a fixing base 27, a fixing clamp 28, a first dispensing mechanism fixing seat 29, a guide rod 210, a cylinder 211, a dispensing assembly 212, an outer dispensing tube 213, an inner dispensing tube 214, a dispensing cavity 215, an inner supporting ring 216, an outer supporting ring 217, an upper supporting ring 218, a piston ring 219, a plug cap 220, a plug rod 221, a compression spring 222, a first glue inlet pipeline 223, a first glue pressing roller 224, a first glue pressing roller fixing seat 225, a first heating mechanism 226, a second heating mechanism 227, a second dispensing mechanism fixing seat 228, a glue outlet plate 229, a second glue inlet pipeline 230, a scraping plate 231, a fixing clamp bottom plate 232, an adjusting plate 234, a second spring 235, a fixing pressure plate 236,
The polishing assembly fixture 32, the liquid collecting tank 39, the pre-cleaning mechanism fixing base 310, the first spray nozzle 311, the cleaning roller 312, the second spray nozzle 313, the polishing mechanism fixing base 314, the first polishing roller 315, the second polishing roller 316, the first polishing roller body 317, the first bristle brush 318, the second polishing roller body 319, the second bristle brush 320, the post-cleaning mechanism fixing base 321, the third spray nozzle 322, the air spray pipe 323, the filter tank 324, the filter plate layer 325, the activated carbon layer 326, the gravel layer 327 and the water outlet 328.
Detailed Description
In order to make the technical scheme of the invention clearer and more definite, the invention is further described below, and any scheme obtained by carrying out equivalent substitution and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
As shown in the figure, the high-strength telephone receiver upper cover comprises an upper cover plate 11, a lower cover plate 12 and a reinforcing plate 13; the bottom of the upper cover plate is provided with a first groove, the top of the lower cover plate is provided with a second groove, the first groove and the second groove are mutually spliced to form a reinforcing plate accommodating cavity, and the reinforcing plate is arranged in the reinforcing plate accommodating cavity;
The top of the upper cover plate is provided with a circle of glue overflow grooves 14, the depth of each glue overflow groove is smaller than the thickness of the upper cover plate, and two sides of the middle of each glue overflow groove respectively protrude outwards to form a glue containing cavity 15;
A circle of bonding plates 16 are arranged on the outer side wall of the reinforcing plate, a circle of upper inserting plates 17 and a circle of lower inserting plates 18 are respectively arranged on the upper end face and the lower end face of the bonding plates, the upper inserting plates are arranged in upper inserting plate fixing grooves at the bottom of the upper cover plate in a plug-in mode, the lower inserting plates are arranged in lower inserting plate fixing grooves at the top of the lower cover plate in a plug-in mode, bonding gaps 19 are formed between the upper inserting plates and the upper inserting plate fixing grooves, adhesive feeding channels 112 are formed in the upper cover plate, and are used for filling adhesives into the bonding gaps to fix the upper cover plate, the reinforcing plate and the lower cover plate into a whole;
the upper surface of the upper cover plate is coated with a protective layer.
Further, the cross section of the glue containing cavity is of a diamond structure, and the depth of the glue overflow groove is half of the thickness of the upper cover plate.
Further, the upper cover is further provided with a plurality of positioning holes 110 and sound outlet holes 111.
Further, the coating method of the protective layer is as follows:
(1) Polishing the upper surface of the upper cover by using a polishing device in the coating system;
(2) Coating two layers of protective layers on the upper cover by using a brushing mechanism in a coating system, wherein the thickness of the first layer of protective layer is 0.1-0.3mm, and the thickness of the second layer of protective layer is 1-2mm;
the coating system comprises a polishing device 3, a brushing mechanism 2 and a transmission mechanism 4;
The transmission mechanism comprises a workbench 21, a first screw rod 23 and a second screw rod 24 are rotatably arranged on the workbench along the length direction of the workbench through a bearing seat, the first screw rod is connected with a third motor 25, the second screw rod is connected with a fourth motor 26, a fixed base 27 is arranged on the first screw rod and the second screw rod through screw thread fit, a fixed clamp 28 is arranged on the fixed base, the fixed base is controlled by the third motor and the fourth motor to reciprocate along the first screw rod and the second screw rod, the fixed clamp comprises a fixed clamp bottom plate 232, two supporting side walls 233 are vertically arranged on the fixed clamp bottom plate, two adjusting grooves 234 are respectively arranged on the inner walls opposite to the two supporting side walls, the adjusting grooves are connected with a fixed pressing plate 236 through a second spring 235, and jacking blocks corresponding to a positioning hole and a sound outlet hole are arranged on the fixed clamp bottom plate and are used for supplementing the upper surface of an upper cover into a complete plane so as to facilitate coating operation;
The polishing device comprises a polishing component fixing frame 32 fixed on the workbench, and a pre-cleaning mechanism, a polishing mechanism and a post-cleaning mechanism are sequentially arranged on the polishing component fixing frame from left to right;
The polishing workbench is provided with a liquid collecting tank 39 which is of a quadrangular frustum structure with a large upper part and a small lower part, the liquid collecting tank is positioned between a first lead screw and a second lead screw and below the polishing device, the bottom of the liquid collecting tank is provided with a filter tank 324, the filter tank is internally provided with a filter board layer 325, an active carbon layer 326 and a gravel layer 327 from top to bottom in sequence, and a water outlet 328 is arranged below the gravel layer; the liquid collecting tank is used for collecting waste liquid, and after the waste liquid is filtered by the filtering tank, clear water is discharged from the water outlet for recycling;
The pre-cleaning mechanism comprises a pre-cleaning mechanism fixing seat 310, a first spray head 311, a cleaning roller 312 and a second spray head 313 are sequentially arranged at the bottom of the pre-cleaning mechanism fixing seat from left to right, the first spray head is a direct spray head, the second spray head is an atomizing spray head, the cleaning roller comprises a cleaning roller body, the cleaning roller body is rotatably arranged at the bottom of the pre-cleaning mechanism fixing seat, a circle of soft brush with the thickness of 2-3cm is coated on the cleaning roller body, the soft brush is contacted with a fixing clamp, the cleaning roller is controlled to rotate by a third motor, and the cleaning roller rotates clockwise;
the polishing mechanism comprises a polishing mechanism fixing seat 314, a first polishing roller 315 and a second polishing roller 316 are sequentially and rotatably arranged at the bottom of the polishing mechanism fixing seat from left to right, the first polishing roller comprises a first polishing roller body 317, three rings of first bristle brushes 318 are arranged on the first polishing roller body at intervals, the second polishing roller comprises a second polishing roller body 319, two rings of second bristle brushes 320 are arranged on the second polishing roller body at intervals, the first bristle brushes on the first polishing roller and the second bristle brushes on the second polishing roller are arranged in a staggered mode, the first polishing roller is controlled to rotate through a fourth motor, and the second polishing roller is controlled to rotate through a fifth motor;
The rear cleaning mechanism comprises a rear cleaning mechanism fixing seat 321, a third spray head 322 and an air ejector 323 are sequentially arranged at the bottom of the rear cleaning mechanism fixing seat from left to right, and the third spray head is a direct spray head;
The soft brush is made of nylon; the first bristle brush and the second bristle brush are made of silicon carbide; the rotation speed of the first polishing roller is greater than that of the second polishing roller; the distance L1 between two adjacent first bristle brushes on the first polishing roller is less than or equal to the width L2 of the second bristle brushes on the second polishing roller;
the brushing assembly fixing frame 22 is fixed on the workbench, and is provided with a first dispensing mechanism, a first glue pressing mechanism, a first heating mechanism, a second dispensing glue pressing mechanism and a second heating mechanism in sequence from left to right;
The first dispensing mechanism comprises a first dispensing mechanism fixing seat 29 fixed on the brushing component fixing frame, the first dispensing mechanism fixing seat is fixedly connected with one ends of a plurality of guide rods 210, the other ends of the guide rods movably penetrate through the brushing component fixing frame, an air cylinder 211 is fixed on the brushing component fixing frame, a push rod of the air cylinder is connected with the first dispensing mechanism fixing seat, and at least two dispensing components 212 are arranged on the first dispensing mechanism fixing seat;
the dispensing assembly comprises an outer dispensing rubber tube 213, an inner dispensing rubber tube 214 and a dispensing cavity 215, wherein the dispensing cavity with a cylindrical structure is arranged in a first dispensing rubber tube fixing seat, a circle of inner supporting rings 216 and a circle of outer supporting rings 217 are arranged at the bottom of the dispensing cavity, a buffer cavity is formed between the inner supporting rings and the outer supporting rings in a surrounding mode, an upper supporting ring 218 is fixed at the top of the inner supporting rings and the top of the outer supporting rings, the inner dispensing rubber tube penetrates through the first dispensing rubber tube fixing seat to be fixedly connected with the inner wall of the inner supporting rings and the inner wall of the upper supporting rings, a piston ring 219 is arranged in the buffer cavity, the outer dispensing rubber tube is coated outside the inner dispensing rubber tube, and the top of the outer dispensing rubber tube penetrates through the first dispensing rubber tube fixing seat to be fixedly connected with the piston ring; a plug cover 220 is arranged at the top of the inner point rubber tube, a plurality of plug rods 221 are arranged at the top of the plug cover, the bottom of each plug rod penetrates through the upper supporting ring and is fixedly connected with the piston ring, a compression spring 222 is arranged outside the plug rod in a coating mode, the compression spring is fixed between the bottom of the upper supporting ring and the top of the piston ring, when the compression spring is in a free state, the lowest point of the inner point rubber tube is positioned above the lowest point of the outer point rubber tube, a first glue inlet pipeline 223 is arranged at the top of the glue dispensing cavity, and paint is injected into the glue dispensing cavity through the first glue inlet pipeline;
The first glue pressing mechanism comprises a first glue pressing roller 224, the first glue pressing roller is rotatably arranged on a first glue pressing roller fixing seat 225, and the first glue pressing roller fixing seat is fixed on a brush coating assembly fixing frame;
The first heating mechanism 226 and the second heating mechanism 227 are electric heating plates fixed on a brush assembly fixing frame;
The second dispensing and pressing mechanism comprises a second dispensing mechanism fixing seat 228 fixed on the brush coating assembly fixing frame, a strip-shaped glue outlet plate 229 is arranged on the second dispensing mechanism fixing seat, the top of the glue outlet plate penetrates through the second dispensing mechanism fixing seat to be connected with a second glue inlet pipeline 230, a glue scraping plate 231 is arranged on the right side of the glue outlet plate, and the second glue inlet pipeline is used for injecting paint into the glue outlet plate;
the concentration of the coating in the first dispensing mechanism is less than that in the second dispensing and pressing mechanism.
Claims (1)
1. The high-strength telephone receiver upper cover is characterized by comprising an upper cover plate, a lower cover plate and a reinforcing plate; the bottom of the upper cover plate is provided with a first groove, the top of the lower cover plate is provided with a second groove, the first groove and the second groove are mutually spliced to form a reinforcing plate accommodating cavity, and the reinforcing plate is arranged in the reinforcing plate accommodating cavity;
The top of the upper cover plate is provided with a circle of glue overflow groove, the depth of the glue overflow groove is smaller than the thickness of the upper cover plate, and two sides of the middle of the glue overflow groove respectively protrude outwards to form a glue containing cavity;
A circle of bonding plates are arranged on the outer side wall of the reinforcing plate, a circle of upper inserting plates and a circle of lower inserting plates are respectively arranged on the upper end face and the lower end face of the bonding plates, the upper inserting plates are arranged in upper inserting plate fixing grooves at the bottom of the upper cover plate in a plug-in mode, the lower inserting plates are arranged in lower inserting plate fixing grooves at the top of the lower cover plate in a plug-in mode, bonding gaps are reserved between the upper inserting plates and the upper inserting plate fixing grooves, a glue inlet channel is arranged on the upper cover plate and used for filling adhesive into the bonding gaps, and the upper cover plate, the reinforcing plate and the lower cover plate are fixed into a whole;
Coating a protective layer on the upper surface of the upper cover plate;
the cross section of the glue containing cavity is of a diamond structure, and the depth of the glue overflow groove is half of the thickness of the upper cover plate; the upper cover is also provided with a plurality of positioning holes and sound outlet holes;
the coating method of the protective layer comprises the following steps:
(1) Polishing the upper surface of the upper cover by using a polishing device in the coating system;
(2) Coating two layers of protective layers on the upper cover by using a brushing mechanism in a coating system, wherein the thickness of the first layer of protective layer is 0.1-0.3mm, and the thickness of the second layer of protective layer is 1-2mm;
The coating system comprises a polishing device, a brushing mechanism and a transmission mechanism;
The transmission mechanism comprises a workbench, a first lead screw and a second lead screw are rotatably arranged on the workbench along the length direction of the workbench through a bearing seat, the first lead screw is connected with a third motor, the second lead screw is connected with a fourth motor, a fixed base is arranged on the first lead screw and the second lead screw through screw thread fit, a fixed clamp is arranged on the fixed base, the fixed base is controlled by the third motor and the fourth motor to reciprocate along the first lead screw and the second lead screw, the fixed clamp comprises a fixed clamp bottom plate, two supporting side walls are vertically arranged on the fixed clamp bottom plate, an adjusting groove is respectively arranged on the inner walls opposite to the two supporting side walls, the adjusting groove is connected with the fixed pressing plate through a spring, and a top block corresponding to a positioning hole and a sound outlet hole is arranged on the fixed clamp bottom plate and used for supplementing the upper surface of the upper cover into a complete plane;
the polishing device and the brushing mechanism are fixed on the workbench;
The polishing device comprises a polishing component fixing frame fixed on the workbench, and a pre-cleaning mechanism, a polishing mechanism and a post-cleaning mechanism are sequentially arranged on the polishing component fixing frame from left to right;
The workbench is provided with a liquid collecting tank which is of a quadrangular frustum pyramid structure with a large upper part and a small lower part, the liquid collecting tank is positioned between the first lead screw and the second lead screw and below the polishing device, the bottom of the liquid collecting tank is provided with a filter tank, a filter plate layer, an activated carbon layer and a gravel layer are sequentially arranged in the filter tank from top to bottom, and a water outlet is arranged below the gravel layer; the liquid collecting tank is used for collecting waste liquid, and after the waste liquid is filtered by the filtering tank, clear water is discharged from the water outlet for recycling;
The pre-cleaning mechanism comprises a pre-cleaning mechanism fixing seat, a first spray head, a cleaning roller and a second spray head are sequentially arranged at the bottom of the pre-cleaning mechanism fixing seat from left to right, the first spray head is a direct spray head, the second spray head is an atomization spray head, the cleaning roller comprises a cleaning roller body, the cleaning roller body is rotatably arranged at the bottom of the pre-cleaning mechanism fixing seat, a circle of soft brush with the thickness of 2-3cm is coated on the cleaning roller body, the soft brush is in contact with a fixing clamp, the cleaning roller is controlled to rotate by a third motor, and the cleaning roller rotates clockwise;
The polishing mechanism comprises a polishing mechanism fixing seat, a first polishing roller and a second polishing roller are sequentially and rotatably arranged at the bottom of the polishing mechanism fixing seat from left to right, the first polishing roller comprises a first polishing roller body, three rings of first bristle brushes are arranged on the first polishing roller body at intervals, the second polishing roller comprises a second polishing roller body, two rings of second bristle brushes are arranged on the second polishing roller body at intervals, the first bristle brushes on the first polishing roller and the second bristle brushes on the second polishing roller are arranged in a staggered mode, the first polishing roller is controlled to rotate through a fourth motor, and the second polishing roller is controlled to rotate through a fifth motor;
the rear cleaning mechanism comprises a rear cleaning mechanism fixing seat, a third spray head and an air ejector tube are sequentially arranged at the bottom of the rear cleaning mechanism fixing seat from left to right, and the third spray head is a direct spray head;
the brushing mechanism comprises a brushing component fixing frame fixed on the workbench, and a first dispensing mechanism, a first glue pressing mechanism, a first heating mechanism, a second dispensing glue pressing mechanism and a second heating mechanism are sequentially arranged on the brushing component fixing frame from left to right;
The first dispensing mechanism comprises a first dispensing mechanism fixing seat fixed on the brushing component fixing frame, the first dispensing mechanism fixing seat is fixedly connected with one ends of a plurality of guide rods, the other ends of the guide rods movably penetrate through the brushing component fixing frame, an air cylinder is fixed on the brushing component fixing frame, a push rod of the air cylinder is connected with the first dispensing mechanism fixing seat, and at least two dispensing components are arranged on the first dispensing mechanism fixing seat;
The dispensing assembly comprises an outer dispensing rubber tube, an inner dispensing rubber tube and a dispensing cavity, wherein the dispensing cavity with a cylindrical structure is arranged in a first dispensing rubber tube fixing seat, a circle of inner supporting rings and a circle of outer supporting rings are arranged at the bottom of the dispensing cavity, a buffer cavity is formed between the inner supporting rings and the outer supporting rings in a surrounding mode, an upper supporting ring is fixed at the tops of the inner supporting rings and the outer supporting rings, the inner dispensing rubber tube penetrates through the first dispensing rubber tube fixing seat to be fixedly connected with the inner wall of the inner supporting rings and the inner wall of the upper supporting rings, a piston ring is arranged in the buffer cavity, the outer dispensing rubber tube is coated outside the inner dispensing rubber tube, and the top of the outer dispensing rubber tube penetrates through the first dispensing rubber tube fixing seat to be fixedly connected with the piston ring; the top of the inner point rubber tube is provided with a plug cover, the top of the plug cover is provided with a plurality of plug rods, the bottom of each plug rod penetrates through the upper supporting ring to be fixedly connected with the piston ring, a compression spring is arranged outside the plug rods in a coating mode, the compression spring is fixed between the bottom of the upper supporting ring and the top of the piston ring, when the compression spring is in a free state, the lowest point of the inner point rubber tube is located above the lowest point of the outer point rubber tube, the top of the dispensing cavity is provided with a first glue inlet pipeline, and paint is injected into the dispensing cavity through the first glue inlet pipeline;
The first glue pressing mechanism comprises a first glue pressing roller, the first glue pressing roller is rotatably arranged on a first glue pressing roller fixing seat, and the first glue pressing roller fixing seat is fixed on a brush coating assembly fixing frame;
The first heating mechanism and the second heating mechanism are electric heating plates fixed on a brush coating assembly fixing frame;
The second dispensing and pressing mechanism comprises a second dispensing mechanism fixing seat fixed on the brush coating assembly fixing frame, a strip-shaped glue outlet plate is arranged on the second dispensing mechanism fixing seat, the top of the glue outlet plate penetrates through the second dispensing mechanism fixing seat to be connected with a second glue inlet pipeline, a glue scraping plate is arranged on the right side of the glue outlet plate, and the second glue inlet pipeline is used for injecting paint into the glue outlet plate;
The concentration of the coating in the first dispensing mechanism is smaller than that in the second dispensing and pressing mechanism;
The soft brush is made of nylon; the first bristle brush and the second bristle brush are made of silicon carbide;
The rotation speed of the first polishing roller is greater than that of the second polishing roller;
The distance L1 between two adjacent first bristle brushes on the first polishing roller is less than or equal to the width L2 of the second bristle brushes on the second polishing roller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711404965.7A CN107846642B (en) | 2017-12-22 | 2017-12-22 | High-strength telephone receiver upper cover |
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| CN201711404965.7A CN107846642B (en) | 2017-12-22 | 2017-12-22 | High-strength telephone receiver upper cover |
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| CN107846642B true CN107846642B (en) | 2024-04-26 |
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