CN112337747B

CN112337747B - Enameled wire painting device

Info

Publication number: CN112337747B
Application number: CN202011202047.8A
Authority: CN
Inventors: 罗义; 王杰; 罗吕送; 应爱国; 陈静
Original assignee: Zhejiang Yongjin Wire Co ltd
Current assignee: Zhejiang Yongjin Wire Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2022-03-18
Anticipated expiration: 2040-11-02
Also published as: CN112337747A

Abstract

The application relates to an enameled wire painting device, including painting mechanism, stoving mechanism includes the oven, the oven is served towards painting mechanism and has been seted up the feed inlet, and the oven is kept away from one of painting mechanism and is served and seted up the discharge gate, be provided with returning charge mechanism between painting mechanism and the oven, returning charge mechanism is arranged in sending into again painting mechanism with the enameled wire that stretches out from the oven discharge gate. The enameled wire experiences japanning once intact, it is just accomplish the coating of one deck lacquer layer to dry, accomplish current lacquer layer coating back at the enameled wire, adopt returning charge mechanism with the enameled wire retransmission to feeding one side of japanning mechanism, continue to carry out the coating of next deck lacquer layer to the enameled wire, so circulate and accomplish the whole coatings of coating on the enameled wire, whole coating process all only use one japanning mechanism and a stoving mechanism can, need not to increase extra equipment, effectively reduce the demand to the workshop place.

Description

Enameled wire painting device

Technical Field

The application relates to the field of enameled wire production, in particular to an enameled wire painting device.

Background

At present, enameled wires are composed of two parts, namely metal wires and insulating layers, and are mainly used for manufacturing insulated wires of coils or windings in electrical products. The production process of the enameled wire comprises the steps of paying off, annealing, painting, baking, cooling, taking up and the like. In addition, in order to increase the conductivity of the conductor portion of the enameled wire, it is generally required to electroplate a metal substance such as silver, nickel and the like outside the conductor, i.e., to add an electroplating process before painting.

Part of enameled wires need to be painted for many times in the production process, and each time of painting needs to be baked and cooled, so that the whole production line is very long, and the requirement on workshop sites is high.

Disclosure of Invention

In order to reduce the occupation to the workshop place, this application provides an enameled wire painting device.

The application provides a varnished wire painting device adopts following technical scheme:

the utility model provides an enameled wire painting device, includes painting mechanism, stoving mechanism includes the oven, the oven is served towards one of painting mechanism and is seted up the feed inlet, and the oven is kept away from one of painting mechanism and is served and seted up the discharge gate, be provided with returning charge mechanism between painting mechanism and the oven, returning charge mechanism is arranged in sending into again the painting mechanism with the enameled wire that stretches out from the oven discharge gate.

Through adopting above-mentioned technical scheme, the enameled wire is complete to go through once japanning, it is just to accomplish the coating of one deck lacquer layer to dry, accomplish current lacquer layer coating back at the enameled wire, adopt returning charge mechanism with the enameled wire retransmission to feeding one side of japanning mechanism, continue to carry out the coating of next deck lacquer layer to the enameled wire, so circulate until the whole coating of the coating on the enameled wire is accomplished, whole coating process all only use one japanning mechanism and a stoving mechanism can, need not to increase extra equipment, effectively reduce the demand to the workshop place.

Preferably, the material returning mechanism includes support, driving source, two switching-over rollers and a plurality of tensioning roller, the support is in the below of painting mechanism and oven, and two switching-over rollers rotate respectively and connect on the both ends of support, and a plurality of tensioning rollers rotate in proper order along the length direction of support and connect on the support between two switching-over rollers, one of them switching-over roller of driving source drive rotates.

Through adopting above-mentioned technical scheme, utilize switching-over roller and tensioning roller to build the transmission route for the enameled wire to the enameled wire is in suitable tensioning state all the time in transmission process, and the enameled wire is difficult for appearing flagging and the condition that contacts ground, makes the enameled wire be difficult for polluting.

Preferably, the material returning mechanism further comprises a cleaning assembly and a transmission assembly, the cleaning assembly is arranged on the support in a sliding mode, the sliding direction of the cleaning assembly is the same as the width direction of the support, and the transmission assembly is used for driving the cleaning assembly to slide.

Through adopting above-mentioned technical scheme, clean subassembly is used for cleaning the enameled wire, but the long-time position of clean subassembly when fixed position cleans the enameled wire, the impurity that drops on the enameled wire covers easily on clean subassembly and the position of enameled wire contact, influences the clean effect to follow-up enameled wire, consequently regularly changes the position of clean subassembly in order to improve the clean effect to the enameled wire for a long time.

Preferably, the cleaning assembly comprises a frame and two felts, the frame is connected to the support in a sliding mode, and the two felts are located in the frame and tightly attached to each other under the extrusion of the frame.

Through adopting above-mentioned technical scheme, the felt can effectively adsorb the impurity that drops on the enameled wire, reduces the influence of impurity to workshop environment, and the texture of felt itself is soft, even two felts back extrusion are in the same place, and when the enameled wire passed between two felts, the felt still was difficult for causing wearing and tearing to the enameled wire, has the guard action to the lacquer layer on enameled wire surface.

Preferably, the transmission assembly includes two synchronizing wheels, hold-in range, carousel and lead screw, and two synchronizing wheels are coaxial coupling respectively on two switching-over rollers, and the hold-in range is around rolling up on two synchronizing wheels, be fixed with first lug on the hold-in range, the lead screw rotates to be connected on the support, the length direction of lead screw is the same with the slip direction of frame, frame threaded connection is on the lead screw, carousel coaxial coupling is on the tip of lead screw, evenly be provided with a plurality of second lugs on the circumference lateral wall of carousel, the second lug that blocks on first lug removal route exists all the time on the carousel.

Through adopting above-mentioned technical scheme, when the driving source drive switching-over roller rotated, the synchronizing wheel also rotated to drive hold-in range transmission, at the in-process that the hold-in range transmitted the round completely, the second lug can contact and promote the first lug on the carousel, makes the carousel take place the rotation of small range, and the carousel drives the lead screw and rotates, and then drives the removal that the small range appears in the frame, realizes the automatic change of felt position in the frame.

Preferably, the material returning mechanism further comprises a material distributing frame, the material distributing frame is also arranged on the support, and a plurality of material distributing rollers are distributed on the material distributing frame at equal intervals along the width direction of the support.

Through adopting above-mentioned technical scheme, the space between the adjacent depiler roller supplies single enameled wire to pass through, with the help of the separation of depiler roller, makes the enameled wire can not contact each other in transmission process, avoids the enameled wire to entangle each other, wearing and tearing each other.

Preferably, the material distributing roller is made of ceramics and is rotatably connected to the material distributing frame.

Through adopting above-mentioned technical scheme, the smooth surface of pottery and the rotation setting of branch material roller further reduce the wearing and tearing of enameled wire surface paint layer to can also reduce the cutting of enameled wire pair branch material roller in reverse, make the life of branch material roller longer.

Preferably, the painting mechanism is provided with a drying oven at one end far away from the drying mechanism, and a vent pipe is connected between the drying oven and the drying oven.

Through adopting above-mentioned technical scheme, before scribbling the lacquer, carry out the drying to the wire, reduce adnexed moisture on the wire, improve the adsorption efficiency of paint on the wire, make the difficult drop of lacquer layer after the shaping.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the material returning mechanism, the multilayer painting of the enameled wire is realized, the arrangement of related equipment is effectively reduced, and the workshop area is saved;

2. the enameled wire is cleaned by the cleaning assembly, so that a subsequent paint layer of the enameled wire can be conveniently coated, and the finished product quality of the enameled wire is improved;

3. through setting up transmission assembly, realize the periodic movement of cleaning assembly with the help of the drive power of driving source, further improve the clean effect to the enameled wire.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a bottom view of an embodiment of the present application.

Fig. 3 is a partial cross-sectional view a-a of fig. 2.

Description of reference numerals: 1. a drying oven; 2. a painting mechanism; 21. a frame; 22. a paint storage tank; 23. a painting roller; 3. a drying mechanism; 31. an oven; 32. an exhaust pipe; 4. a material returning mechanism; 41. a support; 42. a drive source; 43. a reversing roller; 44. a tension roller; 45. a material distributing frame; 451. a material distributing roller; 46. a cleaning assembly; 461. a frame; 4611. putting the frame on; 4612. a lower frame; 462. felt; 47. a transmission assembly; 471. a synchronizing wheel; 472. a synchronous belt; 4721. a first bump; 473. a turntable; 4731. a second bump; 474. a screw rod; 5. a breather tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses enameled wire painting device, refer to fig. 1, including drying cabinet 1, painting mechanism 2, drying mechanism 3 and feed back mechanism 4, painting mechanism 2 is located between drying cabinet 1 and drying mechanism 3. The material returning mechanism 4 is positioned below the painting mechanism 2 and the drying mechanism 3. The enameled wire is usually electroplated before painting, and the wire is cleaned after electroplating and then painted. Therefore, the drying oven 1 in the embodiment of the present application first dries the cleaned wire, so that the wire can be better painted in the painting mechanism 2. The enameled wire enters the drying mechanism 3 again to be heated so as to accelerate the drying speed of the insulating paint. When the enameled wires need to be coated with multiple layers of insulating paint, the material returning mechanism 4 sends the enameled wires which finish the current painting to the painting mechanism 2 again, and the painting and drying work is repeated until all the paint layers are coated.

Referring to fig. 1, the drying box 1 is provided with a channel for a wire to pass through, and two ends of the channel are respectively opened on two end faces of the drying box 1. And drying cabinet 1 is the slope setting, and drying cabinet 1 keeps away from the one end of drying mechanism 3 and is higher than drying cabinet 1 and be close to the one end of drying mechanism 3. The drying box 1 is connected with the breather pipe 5 between being close to 3 tip of drying mechanism and the drying mechanism 3, and the part hot-air that the drying mechanism 3 produced passes through the breather pipe 5 and transmits to the drying box 1 in, and the hot-air moves along the passageway slant, and drying box 1 itself need not to set up the device that generates heat. The wire can be fully contacted with hot air after entering the channel of the drying box 1, so that the liquid attached to the wire absorbs heat and evaporates.

Referring to fig. 1, the painting mechanism 2 includes a frame 21, a paint storage tank 22 disposed on the frame 21, a painting roller 23 rotatably connected in the paint storage tank 22, and a driving motor having an output shaft coaxially connected to the painting roller 23. The top of the painting roller 23 protrudes from the notch of the paint storage tank 22, and the bottom of the painting roller 23 is soaked in the paint storage tank 22. The painting roller 23 is sequentially provided with a plurality of annular caulking grooves along the length direction, and each caulking groove can be penetrated by a single lead so as to increase the contact area with the lead. When the driving motor drives the painting roller 23 to rotate, the circumferential side wall of the painting roller 23 can be stained with paint. The paint roller 23 can continuously apply paint to the wire as the wire moves from the drying box 1 to the drying mechanism 3.

Referring to fig. 1, the drying mechanism 3 includes an oven 31, and the oven 31 is mounted on the frame 21 together with the paint storage tank 22. The oven 31 is a rectangular box, and the oven 31 is hollow and has an electric heater mounted therein. A feed inlet is arranged at one end of the oven 31 facing the painting mechanism 2, and a discharge outlet is arranged at one end of the oven 31 far away from the painting mechanism 2. The top of the oven 31 is provided with a vent pipe 5 and an exhaust pipe 32 which are communicated with the inner cavity. The end of the breather pipe 5 connected to the oven 31 is provided with a filter for filtering oil and gas in the hot air, and the breather pipe 32 can directly discharge the hot air mixed with the oil and gas to a special exhaust gas treatment device without specially installing the filter in the breather pipe 32.

Referring to fig. 1 and 2, the material returning mechanism 4 includes a support 41, a driving source 42, two reversing rollers 43, a plurality of tensioning rollers 44, a material distributing frame 45, a cleaning assembly 46 and a transmission assembly 47. The bracket 41 is located below the frame 21, and both ends of the bracket 41 extend continuously in the horizontal direction and respectively extend out from the lower part of both ends of the frame 21. Two reversing rollers 43 are rotatably connected to two ends of the bracket 41, respectively, and the reversing roller 43 between the drying oven 1 and the oven 31 is a driving roller, and the reversing roller 43 at one end of the oven 31 far away from the drying oven 1 is a driven roller. A plurality of caulking grooves are also formed in the circumferential side wall of the reversing roller 43, and the caulking grooves in the reversing roller 43 correspond to the caulking grooves in the painting roller 23 one by one. The driving source 42 is fixed on the bracket 41, and the driving source 42 may be a motor, and an output shaft of the driving source 42 is coaxially connected with the driving roller. The tension roller 44, the hopper 45 and the cleaning assembly 46 are all between the two reversing rollers 43. The tension rollers 44 are located right below the frame 21, and the tension rollers 44 are sequentially connected to the bracket 41 in a rotating manner along the length direction of the bracket 41. The cleaning assembly 46 is slidably connected to the bracket 41, and the sliding direction of the cleaning assembly 46 is the same as the width direction of the bracket 41. The driving assembly 47 drives the cleaning assembly 46 to slide by means of the rotation of the driving roller. The number of the material distributing frames 45 is three, and the three material distributing frames 45 are respectively fixed on the middle part and two ends of the support 41. A plurality of distributing rollers 451 are equidistantly distributed on the distributing frame 45 along the width direction of the bracket 41. The distributing rollers 451 are made of ceramic and rotatably connected to the corresponding distributing frame 45. The gap between adjacent distributing rollers 451 on the distributing frame 45 is the same as the number of caulking grooves on the driving roller.

The lead wire led out from the drying oven 1 sequentially passes through the driving roller and the painting roller 23 and then enters the drying oven 31 for drying, and the lead wire with the dried surface paint can be called an enameled wire. If the enamel wire is required to be coated with a plurality of layers of paint, the enamel wire coming out of the oven 31 is required to be sequentially wound to a driven roller, a plurality of tension rollers 44, a driving roller, the painting roller 23 and to enter the oven 31 again. In the process, the enameled wire can be separated by the distributing roller 451, so that when the enameled wire is wound on the driving roller again, the enameled wire can be embedded into the vacant caulking groove on the driving roller, and the phenomenon that the same enameled wire is entangled in the process of painting and drying for multiple times is avoided.

Referring to fig. 2 and 3, the cleaning assembly 46 includes a frame 461 and a felt 462, the frame 461 is composed of an upper frame 4611 and a lower frame 4612, the upper frame 4611 is slidably connected to the bracket 41, the lower frame 4612 is connected to the upper frame 4611 by bolts, and an inner cavity for mounting the felt 462 is formed between the upper frame 4611 and the lower frame 4612. The two felts 462 are arranged, the two felts 462 are both arranged in the inner cavity of the frame 461, and the length of the felts 462 is larger than that of the material distributing frame 45. The sum of the thicknesses of the two felts 462 naturally placed is larger than the height of the cavity of the frame 461, so that the inner wall of the frame 461 has a squeezing phenomenon for the two felts 462 located therein at the moment, and the two felts 462 are attached to each other under the squeezing of the frame 461. The enameled wire passes through between the two felts 462, and along with the continuous transmission of the enameled wire, impurities attached to the surface of the enameled wire are blocked by the felts 462 and fall off from the enameled wire, so that the enameled wire is ready for painting again.

Referring to fig. 1 and 2, the transmission assembly 47 includes two synchronizing wheels 471, a timing belt 472, a rotating disc 473 and a screw rod 474, the two synchronizing wheels 471 are located on the same side of the bracket 41, and the two synchronizing wheels 471 are respectively coaxially connected to the two reversing rollers 43. The timing belt 472 is wound around two timing wheels 471, and a first protrusion 4721 is fixed to an outer surface of the timing belt 472. The screw rod 474 is rotatably connected to the bracket 41, the longitudinal direction of the screw rod 474 is the same as the sliding direction of the frame 461, and both ends of the screw rod 474 respectively penetrate through the lower parts of both sides of the frame 21. The frame 461 is threaded onto the lead screw 474, the dial 473 is coaxially attached to the end of the lead screw 474 near the timing belt 472, and the dial 473 is directly below the timing belt 472. A plurality of second protrusions 4731 are uniformly arranged on the circumferential side wall of the rotating disc 473, and the second protrusions 4731 which are blocked on the moving path of the first protrusions 4721 are always arranged on the rotating disc 473. When the synchronous belt 472 rotates for one circle, the first convex block 4721 on the synchronous belt 472 can be always in contact with the second convex block 4731 on the rotating disc 473, and the first convex block 4721 pushes the second convex block 4731 in contact to move, so that the rotating disc 473 rotates, and the lead screw 474 is driven to rotate, the frame 461 slides in a small distance, the contact position of the felt 462 and the enameled wire is changed, the regular automatic adjustment of the felt 462 is realized, and the cleaning effect of the felt 462 on the enameled wire is improved.

The working principle of the embodiment of the application is as follows: the wire processed by the front end procedure is dried by the drying oven 1, and then enters the oven 31 through the driving roller and the painting roller 23 in sequence. The driving roller can not only provide power for the transmission of the wires, but also separate the wires through the caulking grooves arranged on the driving roller. The grooves in the applicator roller 23 can then be used to temporarily store paint and increase the contact area with the wire so that the wire can be adequately coated with paint. The varnish layer on the wire exiting from the oven 31 has dried and adhered to the guide, and the wire and varnish layer are combined to form the enameled wire. The enameled wire only needs to be directly stored after being coated with one varnish layer, and the enameled wire needs to be coated with multiple varnish layers, so that the enameled wire can continuously pass through the driven roller, the material distributing frame 45, the tensioning roller 44 and the cleaning assembly 46 and then returns to one side of the driving roller again. In the process, the cleaning assembly 46 is periodically moved under the control of the transmission assembly 47, so that the contact position of the felt 462 and the enameled wire in the cleaning assembly 46 is changed, the cleaning effect on the enameled wire is improved, and the forming quality of the enameled wire is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an enameled wire painting device, includes painting mechanism (2), stoving mechanism (3), its characterized in that: the drying mechanism (3) comprises an oven (31), a feed inlet is formed in one end, facing the painting mechanism (2), of the oven (31), a discharge outlet is formed in one end, away from the painting mechanism (2), of the oven (31), a material returning mechanism (4) is arranged between the painting mechanism (2) and the oven (31), and the material returning mechanism (4) is used for sending the enameled wire extending out of the discharge outlet of the oven (31) into the painting mechanism (2) again;

the material returning mechanism (4) comprises a support (41), a driving source (42), two reversing rollers (43) and a plurality of tensioning rollers (44), the support (41) is located below the painting mechanism (2) and the oven (31), the two reversing rollers (43) are respectively and rotatably connected to two ends of the support (41), the plurality of tensioning rollers (44) are sequentially and rotatably connected to the support (41) between the two reversing rollers (43) along the length direction of the support (41), and the driving source (42) drives one of the reversing rollers (43) to rotate;

the material returning mechanism (4) further comprises a cleaning assembly (46) and a transmission assembly (47), the cleaning assembly (46) is arranged on the support (41) in a sliding mode, the sliding direction of the cleaning assembly (46) is the same as the width direction of the support (41), and the transmission assembly (47) is used for driving the cleaning assembly (46) to slide;

the cleaning assembly (46) comprises a frame (461) and two felts (462), the frame (461) is connected to the bracket (41) in a sliding manner, and the two felts (462) are both positioned in the frame (461) and tightly attached to each other under the extrusion of the frame (461);

the material returning mechanism (4) further comprises a material distributing frame (45), the material distributing frame (45) is also arranged on the support (41), and a plurality of material distributing rollers (451) are equidistantly distributed on the material distributing frame (45) along the width direction of the support (41); the three material distributing frames (45) are respectively fixed at the middle part and two ends of the support (41), and the frame (461) is positioned between the adjacent material distributing frames (45).

2. The enameled wire painting apparatus according to claim 1, wherein: the transmission assembly (47) comprises two synchronizing wheels (471), a synchronous belt (472), a rotating disc (473) and a screw rod (474), the two synchronizing wheels (471) are respectively and coaxially connected to two reversing rollers (43), the synchronous belt (472) is wound on the two synchronizing wheels (471), a first lug (4721) is fixed on the synchronous belt (472), the screw rod (474) is rotatably connected to a support (41), the length direction of the screw rod (474) is the same as the sliding direction of a frame (461), the frame (461) is in threaded connection with the screw rod (474), the rotating disc (473) is coaxially connected to the end of the screw rod (474), a plurality of second lugs (4731) are uniformly arranged on the circumferential side wall of the rotating disc (473), and a second lug (4731) blocking the moving path of the first lug (4721) always exists on the rotating disc (473).

3. The enameled wire painting apparatus according to claim 1, wherein: the distributing roller (451) is made of ceramics, and the distributing roller (451) is rotationally connected to the distributing frame (45).

4. The enameled wire painting apparatus according to claim 1, wherein: one end of the painting mechanism (2) far away from the drying mechanism (3) is provided with a drying box (1), and a vent pipe (5) is connected between the drying box (1) and the oven (31).