CN215974088U - Anti-sticking feeding structure of shading film/reflecting film for keyboard backlight module - Google Patents

Abstract

The utility model provides a keyboard is anti-sticking material loading structure of photomask/reflectance coating for backlight unit, including the feeding system, blanking mechanism, the support mechanism in the top, a pedestal, well frame and upper bracket, well frame is installed on the base, the top at the base is installed to the upper bracket, the support mechanism in the top is installed in the base, feeding system installs on the upper bracket, the feeding system is corresponding to the support mechanism setting in the top, the support mechanism in the top is located the feeding system's below, blanking mechanism installs the top at well frame, blanking mechanism is including blanking pole and blanking pole actuating mechanism, blanking pole actuating mechanism is connected with the blanking pole, the blanking pole can be in the top of support mechanism along the length direction removal of support mechanism. The blanking mechanism further comprises a rod seat and a first guide rail, the first guide rail is arranged at the top of the middle frame, one end of the blanking rod is arranged on the rod seat, the rod seat is arranged on the first guide rail, the rod seat is connected with the blanking rod driving mechanism, and the rod seat can slide along the first guide rail. The blanking rod of the utility model can forcedly separate the light shielding film (reflecting film) which is taken too much due to adhesion.

Description

Anti-sticking feeding structure of shading film/reflecting film for keyboard backlight module

Technical Field

The utility model discloses a shading film/reflecting film anti-sticking feeding structure for a keyboard backlight module, and belongs to the technical field of keyboard backlight module feeding equipment.

Background

In order to meet the requirement that people use computers under the condition of not turning on lights at night, a backlight keyboard is born, the backlight keyboard is originated from a common keyboard, the backlight keyboard can also enable people to clearly see letters, numbers and symbols displayed on keys in a dark environment, and the backlight keyboard is mainly embodied in that the keys or a panel of the keyboard emit light. The backlight light source of the backlight keyboard is that a high-brightness white light-emitting diode is embedded into a designed keyboard clamping groove, and when a computer receives a keyboard knocking instruction, the computer is controlled to be connected with the light-emitting diode to emit light through the instruction. Each key of the keyboard is made of special plastic, the black part has good light shading performance, and the white part has strong transparency, so that the basic function of the backlight keyboard is realized. The keyboard is quite convenient for the personnel handling the affairs at night, and the appearance of the keyboard is beautiful.

At present, a keyboard backlight module is generally installed in a backlight keyboard to realize the backlight effect, the keyboard backlight module generally comprises a light shielding film, a light guiding film and a reflecting film, one surface of the light guiding film is attached to the light shielding film, and the other surface of the light guiding film is attached to the reflecting film. The one side of laminating with the leaded light membrane on the photomask is provided with from type paper, the one side of laminating with the leaded light membrane on the reflectance coating also is provided with from type paper, laminate with the non-setting adhesive from type paper, when processing, the difficult overflow that can have the glue phenomenon to produce, make to have the overflow glue from the border of type paper and photomask laminating, the border of laminating also can have the overflow glue from type paper and reflectance coating, during the preparation of keyboard backlight unit, photomask and reflectance coating adopt automatic feeding under the state of stacking, consequently, photomask and reflectance coating are at automatic feeding in-process, the difficult mutual adhesion that can produce, cause once to get the material multi-disc and use as a slice. According to the known equipment for preventing the mutual adhesion of the shading film and the reflecting film in the automatic feeding process, the shading film and the reflecting film which are taken too much are scraped off by a scraping blade, and the scraping failure is caused when the adhesion tightness is high when the glue overflow is serious.

Disclosure of Invention

Aiming at the problem that materials which are taken too much and are scraped and dropped fail due to large adhesion tightness when glue overflows from a shading film and a reflecting film in the prior art, the utility model provides the anti-sticking feeding structure for the shading film/the reflecting film for the keyboard backlight module. The utility model refers to the shading film for the keyboard backlight module as material.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the feeding structure comprises a material taking system, a blanking mechanism, a jacking mechanism, a base, a middle frame and an upper frame, wherein the middle frame is installed on the base, the upper frame is installed at the top of the base, the jacking mechanism is installed in the base, the material taking system is installed on the upper frame, the material taking system corresponds to the jacking mechanism, the jacking mechanism is located below the material taking system, the blanking mechanism is installed at the top of the middle frame, the blanking mechanism comprises a blanking rod and a blanking rod driving mechanism, the blanking rod driving mechanism is connected with the blanking rod, and the blanking rod can be located above the jacking mechanism and is moved along the length direction of the jacking mechanism.

The technical scheme adopted by the utility model for solving the technical problem further comprises the following steps:

in order to realize the blanking rod can follow the top of bearing plate the function that the length direction of bearing plate removed, blanking mechanism is still including pole socket and first guide rail, first guide rail is installed the top of well frame, the one end of blanking rod is installed on the pole socket, the pole socket is installed on the first guide rail, the pole socket is connected with blanking rod actuating mechanism, the pole socket can be followed first guide rail slides.

In order to realize blanking pole can automatic movement's function, blanking pole actuating mechanism is including first lead screw and first motor, first lead screw is installed the top of well frame, first lead screw can rotate on the well frame, first lead screw with first guide rail parallel arrangement, first lead screw with the bar seat is screw-thread fit, first motor is installed the top of well frame, first motor includes first motor shaft, first motor shaft with first lead screw is connected.

For convenience, the rod seat with the installation of first lead screw with first guide rail, the rod seat includes lid and slide, the inside lead screw hole that is provided with of slide, first lead screw is installed in the lead screw hole, first lead screw with the lead screw hole is screw-thread fit, the one end of lid with slide fixed mounting together, the other end of lid is installed on first guide rail, the lid can be followed first guide rail slides, the one end of blanking pole is installed cover, perhaps, the one end of blanking pole is installed on the slide, perhaps, the one end of blanking pole is installed the slide with between the lid.

In order to detect the position of the blanking rod, the blanking mechanism further comprises a first photoelectric sensor, the first photoelectric sensor is installed at the top of the middle frame, the first photoelectric sensor corresponds to the material taking system, a first blocking piece is arranged at one end of the blanking rod, a first blocking piece opening is formed in the upper portion of the first photoelectric sensor, and the first blocking piece can be driven to pass through the first blocking piece opening.

In order to control the operation and stop time of the blanking rod, the jacking mechanism comprises three first photoelectric sensors, one first photoelectric sensor is arranged corresponding to one end of the bearing plate, the second first photoelectric sensor is arranged corresponding to the other end of the bearing plate, and the third first photoelectric sensor is arranged corresponding to the middle of the bearing plate.

In order to realize the function that the material taking system can take away the material, the material taking system includes vacuum suction head, first cylinder and installing frame, the installing frame is installed on the upper bracket, first cylinder includes first cylinder body and first piston rod, and first piston rod cartridge is in first cylinder body, first cylinder body is installed on the installing frame, first piston is installed to the one end of first piston rod, the other end of first piston rod is installed vacuum suction head, vacuum suction head 11 is inside to be provided with inhales the chamber, it has the first gas circuit of evacuation to inhale the chamber intercommunication, is provided with first switch on the first gas circuit, opening and closing of first gas circuit of first switch control.

In order to improve the maximum lifting height of the vacuum suction head, the material taking system further comprises a second air cylinder, the second air cylinder comprises a second cylinder body and a second piston rod, the second cylinder body is installed on the upper frame, the second piston rod is inserted into the second cylinder body, and the second piston rod and the installation frame are fixedly installed together.

In order to realize the function that the jacking mechanism can lift and lift materials, the jacking mechanism comprises a supporting plate, a first supporting rod, a first transfer plate, a second screw rod and a second motor, the supporting plate is installed at the upper end of the first supporting rod, the first transfer plate is installed at the lower end of the first supporting rod, the first supporting rod can move in the middle frame, the first transfer plate and the second screw rod are in threaded fit, the upper end of the second screw rod is installed on the middle frame, the second screw rod can rotate in the middle frame, the second motor is installed at the lower part of the middle frame, the second motor comprises a second motor shaft, and the lower end of the second screw rod is connected with the second motor shaft.

In order to detect whether the material reaches a preset position, the feeding structure further comprises an infrared sensor, the infrared sensor is installed at the top of the middle frame, and the infrared sensor is arranged corresponding to the jacking mechanism.

The orientation description of the utility model is judged in the background that the shading film/reflecting film anti-sticking feeding structure for the keyboard backlight module is normally used.

The utility model has the beneficial effects that: the blanking rod is inserted between the two materials to separate the two materials forcibly, so that the problem that the materials are taken more due to high adhesion tightness when the light shielding film and the reflecting film are seriously overflowed with glue is solved, and the effect of high-efficiency feeding is achieved.

The utility model will be further described with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a light-shielding film/reflective film anti-adhesion feeding structure for a keyboard backlight module according to the present invention;

FIG. 2 is a schematic view of the structural components of a preferred embodiment of a light-shielding film/reflective film anti-adhesion feeding structure for a keyboard backlight module according to the present invention;

FIG. 3 is a schematic view of the mounting of the base, the middle frame and the upper frame of the preferred embodiment of the anti-sticking loading structure of the shading film/reflective film for the keyboard backlight module of the present invention;

FIG. 4 is a schematic view of a supporting mechanism of a preferred embodiment of a light shielding film/reflective film anti-adhesion feeding structure for a keyboard backlight module according to the present invention;

fig. 5 is a schematic view of a blanking mechanism in a preferred embodiment of a light shielding film/reflective film anti-adhesion feeding structure for a keyboard backlight module according to the present invention.

Reference numerals: 1-material taking system, 11-vacuum suction head, 111-suction head holder, 12-first cylinder, 13-second cylinder, 14-mounting frame, 15-third cylinder, 2-blanking mechanism, 21-blanking rod, 211-first fixing sleeve, 212-second fixing sleeve, 213-first collar, 22-rod seat, 221-cover, 2211-blanking rod hole, 222-sliding seat, 223-sliding block, 224-first baffle, 23-first screw rod, 24-first guide rail, 241-rail plate, 242-first screw rod seat, 243-second screw rod seat, 244-rail support column, 245-connecting shaft sleeve, 25-first motor, 26-first photoelectric sensor, 261-first baffle opening, 3-top-supporting mechanism, 31-supporting plate, 311-first supporting plate, 312-second supporting plate, 3121-guide port, 3122-guide rod, 313-supporting pad, 32-first supporting rod, 321-third threaded hole, 33-first transfer plate, 331-third mounting hole, 332-second photoelectric sensor, 3321-upper mounting plate, 3322-lower mounting plate, 3323-second shutter opening, 3324-second shutter, 34-second screw, 341-upper insertion section, 3411-second bayonet, 342-upper insertion section, 343-lower insertion section, 35-second motor, 36-first adapter sleeve, 361-first mounting section, 362-first threaded hole, 37-second collar, 38-upper limiting post, 381-fifth mounting hole, 39-lower limiting post, 391-ninth mounting hole, 40-second bearing, 401-eighth mounting hole, 402-stopper, 4021-tenth mounting hole, 4022-second threaded hole, 4-base, 41-first opening, 5-infrared sensor, 51-infrared, 6-middle bracket, 61-second support rod, 62-worktable, 621-second opening, 63-second middle rotating plate, 631-first mounting hole, 632-second mounting hole, 63321-fourth adapter sleeve, 633211-fourth installation section, 63341-second adapter sleeve, 633411-second installation section, 633412-fourth installation hole, 633413-installation surface, 64-fourth support rod, 65-bottom plate, 651-sixth installation hole, 65341-third adapter sleeve, 653411-third installation section, 653412-seventh installation hole, 7-upper frame, 71-third transfer plate, 711-slider, 72-second guide rail, 73-third support rod, 471-first adapter seat, 74-fourth transfer plate, 8-belt, 9-first gear, 10-second gear.

Detailed Description

The present embodiment is a preferred embodiment of the present invention, and other principles and basic structures that are the same as or similar to the present embodiment are within the scope of the present invention.

The utility model relates to a shading film/reflecting film anti-sticking feeding structure for a keyboard backlight module, which can be seen from figures 1 to 5 in a better embodiment and comprises a material taking system 1, a blanking mechanism 2, a jacking mechanism 3, a base 4, a middle frame 6 and an upper frame 7. The jacking mechanism 3 is used for supplying materials and lifting or lowering the materials. The material taking system 1 is used for sucking materials, and the blanking mechanism 2 is used for stripping the materials which are taken more. The feeding structure comprises a material taking system 1, a blanking mechanism 2, a jacking mechanism 3, a base 4, a middle frame 6 and an upper frame 7, the middle frame 6 is installed on the base 4, the upper frame 7 is installed at the top of the base 4, the jacking mechanism 3 is installed in the base 4, the material taking system 1 is installed on the upper frame 7, the material taking system 1 is arranged corresponding to the jacking mechanism 3, the jacking mechanism 3 is located below the material taking system 1, the blanking mechanism 2 is installed at the top of the middle frame 6, the blanking mechanism 2 comprises a blanking rod 21 and a blanking rod driving mechanism, the blanking rod driving mechanism is connected with the blanking rod 21, and the blanking rod 21 can move above the jacking mechanism 3 along the length direction of the jacking mechanism 3.

The middle frame 6 includes a second support bar 61, a table 62, a second transit plate 63, a fourth support bar 64, and a bottom plate 65. The upper frame 7 includes a third transit plate 71, a second guide rail 72, a third support bar 73, and a fourth transit plate 74. The base 4 is provided with a first opening 41, the first opening 41 is used as an installation position of the middle frame 6, the cross section of the base 4 is concave, the first transfer plate 33, the second screw rod 34, the second motor 35, the fourth support rod 64 and the bottom plate 65 are positioned in the first opening 41, and the lower end of the first support rod 32 is also positioned in the first opening 41.

In this embodiment, the number of the second support rods 61 is two, the two second support rods 61 are arranged in parallel, the second support rods 61 are mounted on the top of the base 4 through screws, the workbench 62 is a rectangular plate, and the workbench 62 is mounted on the second support rods 61 through screws. The middle of the working table 62 is provided with a second opening 621, the second opening 621 is rectangular, and the first support bar 32 passes through the second opening 621.

The second transfer plate 63 is a rectangular plate, and the second transfer plate 63 is mounted on the bottom of the table 62 by screws. The second middle rotating plate 63 is provided with a first mounting hole 631 at the middle portion, and the first mounting hole 631 is used for mounting the second screw rod 34. The second transfer plate 63 is further provided with two second mounting holes 632 in the middle, the two second mounting holes 632 are provided, the first mounting hole 631 is located between the two second mounting holes 632, and the second mounting holes 632 are used for mounting the first support rods 32.

In this embodiment, four fourth support bars 64 are provided, the four fourth support bars 64 are arranged in parallel, the upper end of each fourth support bar 64 is installed at the bottom of the second transit plate 63, the bottom plate 65 is a rectangular plate, and the lower end of each fourth support bar 64 is installed at the right angle of the bottom plate 65. The lower end of the third supporting rod 73 is installed at one end of the top of the base 4 through a first adapter 471, the first adapter 471 comprises a vertical plate and a flat plate, the vertical plate and the flat plate are integrally formed, the vertical plate and the third supporting rod 73 are fixedly installed together through screws, and the flat plate and the base 4 are also fixedly installed together through screws.

The fourth pivoting plate 74 is a rectangular plate, and one end of the fourth pivoting plate 74 is mounted on the upper portion of the third support rod 73 by a screw. In this embodiment, two second guide rails 72 are provided, the second guide rails 72 are fixedly mounted on the fourth transfer plate 74 by screws, and the two second guide rails 72 are arranged in parallel. Third transfer board 71 passes through slider 711 to be installed on second guide rail 72, and second guide rail 72 is provided with first card platform, and slider 711 one side is provided with first bayonet socket, and first bayonet socket suit is on first card platform, and first bayonet socket is clearance fit with first card platform, and slider 711 passes through screw fixed mounting with third transfer board 71 and is in the same place, and like this, has just realized that third transfer board 71 can slide along second guide rail 72.

In order to realize the function that the jacking mechanism 3 can lift and lift materials, the jacking mechanism 3 comprises a supporting plate 31, a first supporting rod 32, a first transfer plate 33, a second screw rod 34 and a second motor 35. The jacking mechanism 3 is mounted on the middle frame 6 through a second screw rod 34 and a guide rod 3122.

A first adapter sleeve 36 is arranged between the second screw rod 34 and the first transit plate 33, the first adapter sleeve 36 comprises a first plug-in section and a first installation section 361, a third installation hole 331 is arranged in the center of the first transit plate 33, the first plug-in section is plugged in the third installation hole 331, and the first installation section 361 and the first transit plate 33 are fixedly installed together through screws. The first adapter sleeve 36 is internally provided with a first threaded hole 362, the second lead screw 34 is installed in the first threaded hole 362, and the second lead screw 34 is in threaded fit with the first threaded hole 362.

A second adapter sleeve 63341 is installed in the first installation hole 631 of the second transfer plate 63, the second adapter sleeve 63341 includes a second insertion section and a second installation section 633411, the second insertion section is inserted into the first installation hole 631, and the second installation section 633411 and the second transfer plate 63 are fixedly installed together through screws. The first bearing is installed inside the second adapter sleeve 63341, a fourth installation hole 633412 is formed inside the first bearing, the second lead screw 34 comprises a first thread section, an upper insertion section 341, an intermediate insertion section 342 and a lower insertion section 343, the first thread section is located between the upper insertion section 341 and the intermediate insertion section 342, the intermediate insertion section 342 is located between the first thread section and the lower insertion section 343, the first thread section is in threaded fit with the first threaded hole 362, the upper insertion section 341 is inserted into the fourth installation hole 633412, the outer diameter of the first thread section is larger than the inner diameter of the fourth installation hole 633412, a second bayonet 3411 is arranged at the end of the cylindrical surface of the upper insertion section 341, a second collar 34137 is installed inside the second bayonet 3411, and a third opening is formed in the second collar 37, that is, the second collar 37 is open. When the second collar 37 is in a free state, that is, when the second collar 37 is not yet mounted in the second bayonet 3411, the outer diameter of the second collar 37 is larger than the inner diameter of the fourth mounting hole 633412, the inner diameter of the second collar 37 is smaller than the outer diameter of the upper insertion section 341, the end portion of the second adapter sleeve 63341 is provided with a mounting surface 633413, the second collar 37 is located on the mounting surface 633413, and the distance between the upper end surface of the first thread section and the lower end surface of the second bayonet 3411 is larger than the length of the fourth mounting hole 633412, so that the second screw 34 can rotate in the second adapter plate 63. The bottom of the second adapter sleeve 63341 is welded with the upper limiting column 38, a fifth mounting hole 381 is arranged in the upper limiting column 38, the fifth mounting hole 381 is communicated with the fourth mounting hole 633412, and the second screw rod 34 and the fifth mounting hole 381 are in clearance fit. When the jacking mechanism 3 moves upwards to the upper end face of the first adapter sleeve 36 to be contacted with the lower end face of the upper limiting column 38, the jacking mechanism 3 is limited to continue moving upwards.

The center of the bottom plate 65 is provided with a sixth mounting hole 651, a third adapter sleeve 65341 is mounted in the sixth mounting hole 651, the third adapter sleeve 65341 comprises a third plug-in mounting section and a third mounting section 653411, the third plug-in mounting section is plugged in the sixth mounting hole 651, and the third mounting section 653411 and the bottom plate 65 are fixedly mounted together through screws. A seventh mounting hole 653412 is formed in the third adaptor sleeve 65341, the second bearing 40 is mounted in the seventh mounting hole 653412, an eighth mounting hole 401 is formed in the second bearing 40, and the intermediate insertion section 342 is inserted into the eighth mounting hole 401. The upper end of the third adapter sleeve 65341 is welded with a lower limiting column 39, a ninth mounting hole 391 is arranged in the lower limiting column 39, the second screw rod 34 is inserted in the ninth mounting hole 391, and the inner diameter of the ninth mounting hole 391 is larger than the outer diameter of the second screw rod 34. The middle plug-in section 342 is provided with a stop 402 at the lower part thereof, the stop 402 is provided with a tenth mounting hole 4021 inside, the middle part of the side wall of the stop 402 is provided with a second threaded hole 4022, the second threaded hole 4022 is communicated with the tenth mounting hole 4021, the middle plug-in section 342 is plugged in the tenth mounting hole 4021, the stop 402 is positioned below the third adapter sleeve 65341, the second threaded hole 4022 is provided with a first locking screw, and the first locking screw abuts against the middle plug-in section 342.

The second motor 35 comprises a second motor shaft, the end of the second motor shaft is provided with a first gear 9, and the end of the second motor shaft is connected with the first gear 9 through a first key. And a second locking screw is arranged on the first gear 9 and is abutted with a second motor shaft. And a third locking screw is further mounted on the first gear 9 and is abutted against the first key.

The second gear 10 is mounted on the lower insertion section 343 of the second screw rod 34, and the lower insertion section 343 is connected with the second gear 10 through a second key. A fourth locking screw is mounted on the second gear 10, and the fourth locking screw abuts against the lower insertion section 343. A fifth locking screw is further mounted on the second gear 10, and the fifth locking screw abuts against the second key. The first gear 9 and the second gear 10 are driven by a belt 8, and the belt 8 is provided with teeth meshed with the first gear 9 and the second gear 10.

A fourth adapter sleeve 63321 is installed in the second installation hole 632 of the second transit plate 63, the fourth adapter sleeve 63321 includes a fourth insertion section and a fourth installation section 633211, and the fourth installation section 633211 and the second transit plate 63 are fixedly installed together through screws. An eleventh mounting hole is formed in the fourth adapter sleeve 63321, the first support rod 32 is inserted into the eleventh mounting hole, and the eleventh mounting hole is in clearance fit with the first support rod 32.

The support plate 31 is installed at the upper end of the first support bar 32, and the support plate 31 includes a first support plate 311, a second support plate 312, and a support pad 313. The end of the first support rod 32 is provided with a third threaded hole 321, the first support plate 311 is a rectangular plate, the first support plate 311 and the first support rod 32 are fixedly installed together through screws, and the screws are installed in the third threaded hole 321. The second support plate 312 is a rectangular plate, the first support plate 311 and the second support plate 312 are fixed together by screws, and the first support plate 311 is located below the second support plate 312. The support pad 313 is rectangular, and the support pad 313 is disposed on the upper surface of the second support plate 312. Four sides of the second support plate 312 are provided with guide holes 3121, the workbench 62 is provided with guide rods 3122, the guide rods 3122 are located in the guide holes 3121, in this embodiment, eight guide rods 3122 are provided, each side of the second support plate 312 is provided with two guide rods 3122, and the two guide rods 3122 of each side are uniformly arranged along the side.

In order to detect the position of the first transfer plate 33, the jacking mechanism 3 further includes three second photosensors 332, and in this embodiment, the second photosensors 332 are provided, one second photosensor 332 is provided corresponding to the upper limit position of the first transfer plate 33, one second photosensor 332 is provided corresponding to the lower limit position of the first transfer plate 33, and one second photosensor 332 is provided corresponding to the middle position of the first transfer plate 33. The upper mounting plate 3321 is screw-mounted to the bottom of the second transfer plate 63, and the second photosensor 332 corresponding to the upper limit position of the first transfer plate 33 is screw-mounted to the upper mounting plate 3321. A lower mounting plate 3322 is mounted on the upper surface of the base plate 65, and two second photosensors 332 corresponding to the lower limit position and the middle position of the first transfer plate 33 are mounted on the lower mounting plate 3322. The second photo sensor 332 is provided with a second blocking opening 3323 on a side opposite to the first transfer plate 33, the first transfer plate 33 is provided with a second blocking opening 3324 on a side opposite to the second photo sensor 332, and when the first transfer plate 33 moves from the upper limit position to the lower limit position, the second blocking opening 3324 passes through the second blocking opening 3323.

In order to realize the function that the blanking rod 21 can prevent adhesion, the blanking mechanism 2 includes the blanking rod 21, a rod seat 22, a first screw 23, a first guide rail 24 and a first motor 25.

The pole base 22 includes a cover 221 and a slider 222, and one end of the cover 221 and the slider 222 are fixedly mounted together by a screw. In this embodiment, in order to facilitate the installation of the blanking rod 21, the blanking rod hole 2211 is disposed inside the cover 221, one end of the cover 221 is provided with a first fixing hole, the first fixing hole is communicated with the blanking rod hole 2211, a first fixing sleeve 211 is installed inside the first fixing hole, the outer diameter of the first fixing sleeve 211 is greater than the inner diameter of the blanking rod hole 2211, the other end of the cover 221 is provided with a second fixing hole, the second fixing hole is communicated with the blanking rod hole 2211, a second fixing sleeve 212 is installed inside the second fixing hole, the outer diameter of the second fixing sleeve 212 is greater than the inner diameter of the blanking rod hole 2211, the first rod hole is disposed inside the first fixing sleeve 211, the second rod hole is disposed inside the second fixing sleeve 212, the blanking rod 21 is inserted into the first rod hole, the blanking rod hole 2211 and the second rod hole. In order to fix the first fixing sleeve 211 and the second fixing sleeve 212, one end of the blanking rod 21 is provided with a boss, the outer diameter of the boss is larger than the inner diameter of the second rod hole, the blanking rod 21 is provided with a clamping ring opening, a first clamping ring 213 is installed in the clamping ring opening, the outer diameter of the first clamping ring 213 is larger than the inner diameter of the first rod hole, the first clamping ring 213 is abutted to the first fixing sleeve 211, and the boss is abutted to the second fixing sleeve 212. During the concrete implementation, also can set up the hole in blanking lever 21's inside, blanking lever 21's one end cartridge is in the hole, and blanking lever 21 and hole are interference fit.

In this embodiment, one end of the blanking rod 21 is mounted on the cover 221, and in practical implementation, one end of the blanking rod 21 may also be mounted on the sliding base 222, or one end of the blanking rod 21 may also be mounted between the sliding base 222 and the cover 221.

The slide 222 is provided with a screw hole inside, the first screw 23 is installed in the screw hole, and the first screw 23 is in threaded fit with the screw hole. The bottom of the other end of the cover 221 is provided with a sliding block 223, and the cover 221 and the sliding block 223 are fixedly installed together through screws. The bottom of the sliding block 223 is provided with a sliding opening, the upper part of the first guide rail 24 is provided with a sliding table, the sliding opening is sleeved on the sliding table, and the sliding opening and the sliding table are in clearance fit. The first lead screw 23 is disposed in parallel with the first guide rail 24, the first guide rail 24 is disposed in parallel with one long side of the second support plate 312, and the first guide rail 24 is located between the support plate 31 and the first lead screw 23. The blanking rod 21 is arranged in parallel with the second supporting plate 312, the blanking rod 21 is located above the supporting pad 313, the part of the blanking rod 21 exposed out of the rod seat 22 spans the second supporting plate 312, that is, the length of the part of the blanking rod 21 exposed out of the rod seat 22 is greater than the width of the second supporting plate 312, and the surface formed by the running track of the blanking rod 21 can cover the whole second supporting plate 312. In this embodiment, the first guide rail 24 is located between the supporting plate 31 and the first lead screw 23, and in specific implementation, a structure that the first lead screw 23 is located between the supporting plate 31 and the first guide rail 24 may be adopted. In this embodiment, the rod seat 22 includes a cover 221 and a sliding seat 222, and in particular, the rod seat 22 may be integrally formed.

Two ends of one side of the upper surface of the working table 62 are fixedly provided with rail support posts 244, the tops of the rail support posts 244 are fixedly provided with rail plates 241 through screws, the upper surfaces of the rail plates 241 are arranged in parallel with the upper surface of the second bearing plate 312, and two opposite side surfaces of the rail plates 241 and the second bearing plate 312 are arranged in parallel. A first screw base 242 is installed at one end of the upper surface of the track plate 241 by a screw, a second screw base 243 is installed at a position close to the other end of the upper surface of the track plate 241, and the second screw base 243 and the track plate 241 are fixedly installed together by a screw. The first motor 25 is fixedly installed at an end of the track plate 241 by a screw, and the second screw base 243 is located between the first screw base 242 and the first motor 25.

The first screw 23 comprises a fifth insertion section, a second screw thread section and a sixth insertion section, and the second screw thread section is located between the fifth insertion section and the sixth insertion section. The first screw rod seat 242 is internally provided with a third bearing, the third bearing is internally provided with a twelfth mounting hole, the fifth insertion section is inserted into the twelfth mounting hole, the second screw rod seat 243 is internally provided with a fourth bearing, the fourth bearing is internally provided with a thirteenth mounting hole, the sixth insertion section is inserted into the thirteenth mounting hole, and the sixth insertion section is exposed out of the thirteenth mounting hole. The first motor 25 includes a first motor shaft, and the first motor shaft is fixedly connected to the part of the sixth insertion section of the first lead screw 23 exposed to the thirteenth mounting hole through a coupling sleeve 245.

In order to detect the position of the blanking rod 21, the blanking mechanism 2 further includes a first photoelectric sensor 26, the first photoelectric sensor 26 is disposed corresponding to the position of the vacuum suction head 11, the first photoelectric sensor 26 is mounted on the upper surface of the track plate 241, the first lead screw 23 is located between the first photoelectric sensor 26 and the first guide rail 24, and the first guide rail 24 is located between the first lead screw 23 and the second support plate 312. The first photoelectric sensor 26 is provided with a first blocking opening 261 at the upper portion thereof, and the first blocking piece 224 is mounted on the rod seat 22 by screws at a side opposite to the first photoelectric sensor 26, so that when the rod seat 22 runs from one end of the first guide rail 24 to the other end thereof, the first blocking piece 224 passes through the first blocking opening 261. In this embodiment, the first photoelectric sensor 26 is installed on the upper surface of the track plate 241, and in practical implementation, the first photoelectric sensor 26 may also be installed on the worktable 62, and at this time, the height position of the first photoelectric sensor 26 needs to be adjusted, so that the first blocking plate opening 261 matches with the first blocking plate 224.

In order to control the operation and stop timing of the blanking lever 21, in the present embodiment, three first photoelectric sensors 26 are provided, wherein one first photoelectric sensor 26 is disposed corresponding to one end of the supporting plate 31, a second first photoelectric sensor 26 is disposed corresponding to the other end of the supporting plate 31, and a third first photoelectric sensor 26 is disposed corresponding to the middle portion of the supporting plate 31.

In order to realize the function that the material taking system can take away materials, the material taking system 1 comprises a vacuum suction head 11, a first air cylinder 12, a second air cylinder 13, a third air cylinder 15 and a mounting frame 14. A suction cavity is arranged in the vacuum suction head 11 and is communicated with a first vacuumizing air passage, and a first switch is arranged on the first air passage and controls the opening and closing of the first air passage. The second cylinder 13 includes a second cylinder body and a second piston rod, the second piston rod is inserted into the second cylinder body, the second cylinder body is mounted on the third transfer plate 71 of the upper frame 7 through a screw, the second piston rod and the mounting frame 14 are fixedly mounted together through a screw, that is, the mounting frame 14 is mounted on the upper frame 7 through the second cylinder 13. A second piston is arranged at one end of the second piston rod, two second piston cavities are formed by the second piston and the second cylinder body, the second cylinder 13 is used for increasing the maximum lifting height of the vacuum suction head 11, the second cylinder 13 can integrally lift the mounting frame 14, the function is realized by changing the air pressure difference of the two second piston cavities, the two second piston cavities are respectively communicated with a vacuumized third air passage, a third switch is arranged on the third air passage, and the third switch controls the opening and closing of the third air passage.

In this embodiment, in order to stably and reliably suck up the material, the number of the first air cylinders 12 is three, the number of the vacuum suction heads 11 is six, and two vacuum suction heads 11 are provided at the lower end of each of the first air cylinders 12. A first cylinder 12 is provided corresponding to one end of the second support plate 312, a first cylinder 12 is provided corresponding to the other end of the second support plate 312, and a first cylinder 12 is provided corresponding to the middle of the second support plate 312. The first air cylinder 12 comprises a first cylinder body and a first piston rod, the first piston rod is inserted into the first cylinder body, the first cylinder body is fixedly mounted on the mounting frame 14 through screws, a suction head frame 111 is fixedly mounted at the lower end of the first piston rod through screws, a suction head opening is formed in the suction head frame 111, the vacuum suction heads 11 are fixedly mounted in the suction head openings through nuts, two vacuum suction heads 11 are mounted in each suction head opening, and the two vacuum suction heads 11 are uniformly arranged along the width direction of the second bearing plate 312. A first piston is installed at one end of a first piston rod, the first piston and a first cylinder body form two first piston cavities, the up-and-down movement force of the vacuum suction head 11 is derived from the air pressure difference of the two first piston cavities, the two first piston cavities are respectively communicated with a vacuumized second air passage, a second switch is arranged on the second air passage, and the second switch controls the opening and closing of the second air passage.

Since the third transfer plate 71 can slide along the second guide rail 72 and the second cylinder of the second cylinder 13 is mounted on the third transfer plate 71, the vacuum cleaner 11 can be horizontally changed in position. The third cylinder 15 includes a third cylinder body and a third piston rod, the third piston rod is inserted into the third cylinder body, the third cylinder body is installed on the fourth transit plate 74, the third piston rod and the third transit plate 71 are fixedly installed through a second adapter, the third piston rod and the second adapter are in threaded fit, the second adapter and the third transit plate 71 are fixedly installed together through screws, a third piston is installed at one end of the third piston rod, the third piston and the third cylinder body form two third piston cavities, the sliding force of the third transit plate 71 along the second guide rail 72 is derived from the air pressure difference between the two third piston cavities, the two third piston cavities are respectively communicated with a vacuumized fourth air passage, a fourth switch is arranged on the fourth air passage, and the fourth switch controls the opening and closing of the fourth air passage. In this way, it is achieved that the vacuum nozzle 11 is automatically controlled to change its position in the horizontal direction by means of the third cylinder 15.

In order to detect whether the material reaches a predetermined position so as to determine whether the vacuum chuck 11 starts to operate, the feeding structure further includes an infrared sensor 5, the infrared sensor 5 is installed on the table 62 of the middle frame 6, the infrared sensor 5 is disposed corresponding to the support plate 31, infrared rays 51 emitted from the infrared sensor 5 cross the support plate 31, the infrared rays 51 are located above the support plate 31, and the infrared rays 51 are parallel to the upper surface of the support plate 31.

In this embodiment, the light shielding film/reflective film anti-sticking feeding structure for the keyboard backlight module further comprises a control system for controlling the operations of the first motor 25, the second motor 35, the first cylinder 12, the second cylinder 13 and the third cylinder 15.

The working process of the shading film/reflecting film anti-sticking feeding structure for the keyboard backlight module comprises the steps that a worker firstly places materials on a supporting plate 31, then operates a control switch, a blanking mechanism 2 starts to operate, a first motor 25 rotates, the first motor 25 drives a first screw rod 23 to rotate, the first screw rod 23 drives a rod seat 22 to move along a first guide rail 24, the blanking rod 21 stops when moving to a position corresponding to the end part of the supporting plate 31, then, a jacking mechanism 3 starts to operate, a second motor 35 drives a second screw rod 34 to rotate, the second screw rod 34 drives a first transfer plate 33 to ascend, the first transfer plate 33 drives a first supporting rod 32 to ascend, the first supporting rod 32 drives the supporting plate 31 to ascend, the materials on the supporting plate 31 ascend along with the first supporting rod, when the uppermost materials on the supporting plate 31 shield infrared rays 51, the jacking mechanism 3 stops operating, and a material taking system 1 starts to operate, the third cylinder 15 starts to work, the third transfer plate 71 is driven to slide along the second guide rail 72, the vacuum suction head 11 is translated towards the bearing plate 31, when the vacuum suction head 11 reaches the position right above the bearing plate 31, the translation of the vacuum suction head 11 is stopped, then, the second cylinder 13 starts to work, the second cylinder 13 drives the mounting frame 14 to move downwards, when the second cylinder 13 moves to the limit position, the second cylinder 13 stops running, then, the first cylinder 12 starts to work, the three first cylinders 12 run downwards, when the vacuum suction head 11 contacts the material, the three first cylinders 12 stop running, then, the six vacuum suction heads 11 start to work, then, the first cylinder 12 nearest to the blanking rod 21 starts to run upwards, the two vacuum suction heads 11 suck the material, when the first cylinder 12 nearest to the blanking rod 21 runs upwards to the limit position, the operation is stopped, then, the blanking bar 21 starts to operate, the blanking bar 21 penetrates between the sucked material and the adhered material, the blanking bar 21 operates toward the two vacuum suction heads 11 corresponding to the middle portion of the support plate 31, when the blanking bar 21 operates to approach the two vacuum suction heads 11 corresponding to the middle portion of the support plate 31, the blanking bar 21 stops operating, then the first cylinder 12 corresponding to the middle portion of the support plate 31 starts to operate upward, the two vacuum suction heads 11 installed on the first cylinder 12 corresponding to the middle portion of the support plate 31 suck the material, when the first cylinder 12 corresponding to the middle portion of the support plate 31 operates upward to the limit position, then the blanking bar 21 continues to operate, when the blanking bar 21 operates to approach the last two vacuum suction heads 11, the blanking bar 21 stops operating again, then the last first cylinder 12 starts to operate upward, the two vacuum suction heads 11 installed on the last first cylinder 12 suck the material, when the last first cylinder 12 moves upwards to the limit position, the operation is stopped, then the blanking rod 21 continues to operate, when the blanking rod 21 moves to the position where the material completely passes through, the blanking rod 21 completes the separation task of the adhered material, the blanking rod 21 stops operating, then the second cylinder 13 starts to move upwards (meanwhile, the jacking mechanism 3 starts to move downwards), the mounting frame 14 is integrally lifted, the material is lifted along with the lifting, when the second cylinder 13 moves upwards to the limit position, the operation is stopped, then the third cylinder 15 starts to operate, the third transfer plate 71 is driven to slide along the second guide rail 72, and the material is translated to the preset position.

In conclusion, the utility model can separate the adhered materials by force, and achieves the effect of high-efficiency feeding.

Claims (10)

1. The utility model provides a keyboard is anti-sticking material loading structure of photomask/reflectance coating for backlight unit which characterized in that: the feeding structure comprises a material taking system (1), a blanking mechanism (2), a jacking mechanism (3), a base (4), a middle frame (6) and an upper frame (7), the middle frame (6) is arranged on the base (4), the upper frame (7) is arranged on the top of the base (4), the jacking mechanism (3) is arranged in the base (4), the material taking system (1) is arranged on the upper frame (7), the material taking system (1) is arranged corresponding to the jacking mechanism (3), the jacking mechanism (3) is positioned below the material taking system (1), the blanking mechanism (2) is arranged at the top of the middle frame (6), the blanking mechanism (2) comprises a blanking rod (21) and a blanking rod driving mechanism, the blanking rod driving mechanism is connected with the blanking rod (21), and the blanking rod (21) can be arranged above the jacking mechanism (3) and move along the length direction of the jacking mechanism (3).

2. The anti-sticking loading structure of the shading film/the reflecting film for the keyboard backlight module as claimed in claim 1, wherein: blanking mechanism (2) are still including pole socket (22) and first guide rail (24), first guide rail (24) are installed the top of well frame (6), the one end of blanking pole (21) is installed on pole socket (22), pole socket (22) are installed on first guide rail (24), pole socket (22) are connected with blanking pole actuating mechanism, pole socket (22) can be followed first guide rail (24) slide.

3. The anti-sticking loading structure of the shading film/the reflecting film for the keyboard backlight module as claimed in claim 2, wherein: blanking lever actuating mechanism is including first lead screw (23) and first motor (25), install first lead screw (23) the top of well frame (6), first lead screw (23) can rotate on well frame (6), first lead screw (23) with first guide rail (24) parallel arrangement, first lead screw (23) with rod socket (22) are screw-thread fit, install first motor (25) the top of well frame (6), first motor (25) include first motor shaft, first motor shaft with first lead screw (23) are connected.

4. The anti-sticking loading structure of the shading film/reflecting film for the keyboard backlight module as claimed in claim 3, wherein: the screw seat (22) comprises a cover (221) and a sliding seat (222), a screw hole is formed in the sliding seat (222), the first screw rod (23) is installed in the screw hole, the first screw rod (23) is in threaded fit with the screw hole, one end of the cover (221) is fixedly installed together with the sliding seat (222), the other end of the cover (221) is installed on the first guide rail (24), the cover (221) can slide along the first guide rail (24), one end of the blanking rod (21) is installed on the cover (221), or one end of the blanking rod (21) is installed on the sliding seat (222), or one end of the blanking rod (21) is installed between the sliding seat (222) and the cover (221).

5. The anti-sticking loading structure of the shading film/the reflecting film for the keyboard backlight module as claimed in claim 1, wherein: blanking mechanism (2) are still including first photoelectric sensor (26), install first photoelectric sensor (26) the top of well frame (6), first photoelectric sensor (26) correspond to reclaiming system (1) sets up, the one end of blanking pole (21) is provided with first separation blade (224), the upper portion of first photoelectric sensor (26) is provided with first separation blade opening (261), first separation blade (224) can be followed pass through in first separation blade opening (261).

6. The anti-sticking loading structure of the shading film/reflecting film for the keyboard backlight module as claimed in claim 5, wherein: the jacking mechanism (3) comprises a bearing plate (31), the number of the first photoelectric sensors (26) is three, one of the first photoelectric sensors (26) is arranged corresponding to one end of the bearing plate (31), the second first photoelectric sensor (26) is arranged corresponding to the other end of the bearing plate (31), and the third first photoelectric sensor (26) is arranged corresponding to the middle of the bearing plate (31).

7. The anti-sticking loading structure of the shading film/the reflecting film for the keyboard backlight module as claimed in claim 1, wherein: the material taking system (1) comprises a vacuum suction head (11), a first cylinder (12) and an installation frame (14), wherein the installation frame (14) is installed on the upper frame (7), the first cylinder (12) comprises a first cylinder body and a first piston rod, the first piston rod is inserted into the first cylinder body, the first cylinder body is installed on the installation frame (14), a first piston is installed at one end of the first piston rod, the other end of the first piston rod is installed on the vacuum suction head (11), a suction cavity is formed in the vacuum suction head (11), the suction cavity is communicated with a first air channel for vacuumizing, a first switch is arranged on the first air channel, and the first switch controls the opening and closing of the first air channel.

8. The anti-sticking loading structure of the light shielding film/reflective film for the keyboard backlight module as claimed in claim 7, wherein: the material taking system (1) further comprises a second air cylinder (13), the second air cylinder (13) comprises a second cylinder body and a second piston rod, the second cylinder body is installed on the upper frame (7), the second piston rod is inserted into the second cylinder body, and the second piston rod and the installation frame (14) are fixedly installed together.

9. The anti-sticking loading structure of the shading film/the reflecting film for the keyboard backlight module as claimed in claim 1, wherein: the jacking mechanism (3) comprises a supporting plate (31), a first supporting rod (32), a first transfer plate (33), a second screw rod (34) and a second motor (35), the supporting plate (31) is arranged at the upper end of the first supporting rod (32), the first transfer plate (33) is arranged at the lower end of the first supporting rod (32), the first supporting rod (32) can move in the middle frame (6), the first middle rotating plate (33) is in threaded fit with the second screw rod (34), the upper end of the second screw rod (34) is arranged on the middle frame (6), the second screw rod (34) can rotate in the middle frame (6), the second motor (35) is installed on the lower portion of the middle frame (6), the second motor (35) comprises a second motor shaft, and the lower end of the second screw rod (34) is connected with the second motor shaft.

10. The anti-sticking loading structure of the shading film/the reflecting film for the keyboard backlight module as claimed in claim 1, wherein: the feeding structure further comprises an infrared sensor (5), the infrared sensor (5) is installed at the top of the middle frame (6), and the infrared sensor (5) corresponds to the jacking mechanism (3).

Images