CN111846821B - Automatic discharging device and discharging method applied to spraying production line - Google Patents

Abstract

The automatic discharging device comprises a plurality of screw rods rotatably mounted on a track, a fixed block is connected between each screw rod and the track, a sliding groove is formed in each fixed block, one end of each screw rod is located in the corresponding sliding groove and connected with a bearing, the lower end of each sliding groove is connected with a first limiting block, a first spring is arranged between each first limiting block and the corresponding bearing, and one end, extending out of the corresponding fixed block, of each screw rod is in threaded connection with a suspension seat; the material hanging mechanism comprises a connecting seat and a hanging piece arranged on the connecting seat, one end, far away from the track, of the screw rod penetrates through the hanging seat and is fixedly connected with a rotating piece, a first driving assembly is arranged in the discharging area and comprises a long strip plate, a first lug arranged on the long strip plate and a first driving rod, and the first lug is abutted to the first driving rod; a first limiting plate is arranged in the discharging area, and a first limiting groove is formed in the suspension seat.

Description

Automatic discharging device and discharging method applied to spraying production line

Technical Field

The application relates to the technical field of spraying operation, in particular to an automatic discharging device and a discharging method applied to a spraying production line.

Background

The spraying operation is used in the fields of hardware, plastic, furniture, military industry, ships and the like, and is the most common coating mode in the prior art.

Present spraying production line, as shown by the utility model patent of grant publication No. CN203778247U, including the district of putting on one's own, preliminary treatment district and the district of unloading, still include track, drying furnace, powder and spout room and powder curing oven, the track passes in proper order and puts on one's own district, preliminary treatment district, drying furnace, powder and spouts room, powder curing oven and the district of unloading, put on one's own district and the district end to end of unloading.

In view of the above-mentioned related technologies, the inventor believes that when unloading in the unloading area, the product that has been sprayed needs to be taken down from the rail manually in time, otherwise the product that has been sprayed will enter the loading area along with the rail, and when taking down the product again, the product that has not been sprayed can not be installed on the rail in time for spraying operation.

Disclosure of Invention

In order to solve the problem that a product cannot be taken down in time, the application provides an automatic discharging device and a discharging method applied to a spraying production line.

First aspect, this application provides an automatic discharge device for spraying production line adopts following technical scheme:

the automatic discharging device comprises a track for conveying workpieces, and a plurality of screw rods rotatably mounted on the track, wherein the screw rods are uniformly distributed on the track at intervals, fixed blocks are connected between the screw rods and the track, each fixed block is provided with a sliding chute for the screw rods to move up and down, one end of each screw rod is positioned in the corresponding sliding chute and is connected with a bearing, the inner ring of each bearing is fixedly connected with the corresponding screw rod, the lower end of each sliding chute is connected with a first limiting block for limiting the bearing to slide out of the corresponding sliding chute, a first spring is arranged between each first limiting block and each bearing, the first springs are uniformly distributed on the peripheral sides of the screw rods, and one end, extending out of the corresponding fixed block, of each screw rod is in threaded connection with a suspension seat;

the hanging mechanism comprises a connecting seat detachably connected to the hanging seat and a hanging piece mounted on the connecting seat and used for hanging the workpiece, a groove is formed in one end, connected with the hanging seat, of the connecting seat, two caulking grooves are symmetrically formed in the inner wall of the groove, an inserting block is embedded in each caulking groove, a second spring used for driving the part of the inserting block to slide out of each caulking groove is mounted in each caulking groove, and a slot used for inserting the inserting block in a plugging mode is formed in the outer wall of the hanging seat;

the inner wall of one side of the slot penetrates through one side face, away from the rail, of the suspension seat, one end, away from the rail, of the screw rod penetrates through the suspension seat and is fixedly connected with a rotating piece used for bearing or releasing the inserting block, the rotating piece comprises a connecting portion fixedly connected with the screw rod and two sealing plates fixedly mounted on the connecting portion, the two sealing plates are symmetrically distributed on the connecting portion, and a gap is reserved between the two sealing plates to form a hollow groove;

the discharging device comprises a discharging area, a first driving assembly and a second driving assembly, wherein the first driving assembly is used for driving a rotating piece to rotate and comprises a long strip plate fixedly installed on one side of a track and first convex blocks installed on the long strip plate, the first convex blocks are regularly distributed on the long strip plate, the long strip plate is located in the discharging area, the first driving assembly further comprises a first driving rod installed on a screw rod, and the first convex blocks are abutted to the first driving rod;

be provided with in the district of unloading and be used for restricting and hang a seat and accompany screw rod pivoted first limiting plate, first limiting plate fixed mounting is on orbital one side, hang and offer on the seat be used for with first limiting plate sliding connection's first spacing groove, sliding connection between the tip that first limiting plate is close to and hangs the seat and the inner wall of first spacing groove.

By adopting the technical scheme, after the workpiece is hung on the hanging piece on the connecting seat, the connecting seat is inserted in front of the inserting groove through the inserting block, and the sealing plate is positioned below the inserting groove, so that when the inserting block is inserted into the inserting block, the sealing plate plays a role in bearing the inserting block, and the connecting seat can be hung on the hanging seat;

when the track passes through the unloading zone, the first limiting groove on the suspension seat slides into the first limiting plate, the first driving rod is accompanied with the movement of the screw rod, when the first driving rod passes through the first lug, the first driving rod impacts the first lug, the first driving rod is enabled to circumferentially rotate by the screw rod, so that the screw rod is enabled to rotate while moving, the suspension seat is enabled not to rotate because of the limitation of the first limiting plate, when the screw rod downwards rotates in the suspension seat, the first spring is downwards pressed by the bearing, the rotating part is accompanied with the rotation of the screw rod, when the empty groove of the rotating part rotates to be communicated with the slot, the inserting block enables the connecting seat to drive the workpiece to leave the track when leaving the suspension seat, so that the workpiece can automatically drop when the workpiece is in the unloading zone, and the problem that the product cannot be timely taken down is solved.

Preferably, a reset area is arranged between the unloading area and the loading area of the spraying production line, the rail passes through the reset area, a second driving assembly used for driving the suspension seat to rotate is arranged on the reset area, the second driving assembly comprises a conveyor belt and a plurality of second convex blocks arranged on the conveyor belt, the second convex blocks are uniformly distributed on the conveyor belt at intervals, the conveying direction of the conveyor belt is opposite to the moving direction of the rail, the second driving assembly further comprises a second driving rod arranged on the suspension seat, and when the second driving rod passes through the conveyor belt, the second convex blocks poke the second driving rod;

the reset area is provided with a second limiting plate used for limiting the screw rod to rotate along with the suspension seat, the second limiting plate is fixedly installed on the track, the screw rod is circumferentially connected with a sliding plate, the second limiting plate is provided with a second limiting groove used for allowing the sliding plate to be in sliding connection, and the end portion of the sliding plate is of a rectangular structure and is in contact with the inner wall of the second limiting groove.

By adopting the technical scheme, when the track passes through the reset area, the screw rod slides into the second limiting groove through the sliding plate, when the second driving rod moves along with the track, the conveyor belt drives the second bump to move along the opposite direction of the second driving rod, the second bump stirs the second driving rod, so that the suspension seat rotates, and the screw rod is prevented from rotating due to the sliding connection between the sliding plate and the second limiting groove; therefore, the hanging seat gradually moves to be close to the rotating piece, and the sealing plate of the rotating piece leaves the reset area and enters the upper piece area after being positioned in the slot.

Preferably, the discharging area is provided with a material receiving mechanism for receiving the connecting seats, the material receiving mechanism comprises a conveying belt and a material receiving seat mounted on the conveying belt, the material receiving seat extends along the conveying belt, the connecting seat is provided with a through groove for slidably connecting the material receiving seat, the material receiving seat is positioned in the through groove, the through groove is communicated with the groove, and the material receiving seat is fixedly connected with a top plate;

the hanging piece comprises a long rod and a hook installed on one end of the long rod, the other end of the long rod is connected with a positioning block, a vertical groove for the positioning block to slide is formed in the side wall of the connecting seat, and a second limiting block used for limiting the positioning block to leave the vertical groove is arranged at the lower end of the vertical groove;

when the through groove of the connecting seat slides into the material receiving seat, the top plate is positioned below the long rod, and the distance between the top plate and the long rod is smaller than the distance between the upper surface of the material receiving seat and the hanging seat.

Through adopting above-mentioned technical scheme, when the connecting seat gets into when unloading in the district, the logical groove of connecting seat with connect material seat sliding connection, when the connecting seat drops from hanging the seat, because the distance between roof and the stock is less than connect material seat upper surface and hang the distance between the seat, so the roof can order about the stock and upwards slide along perpendicular groove, thereby make the locating piece leave the second stopper of perpendicular groove lower extreme, when the restriction of second stopper is no longer received to the locating piece, gravity is applyed to the stock to the pendant on the stock, thereby make the stock use the roof to rotate as the fulcrum slope, take the locating piece from the connecting seat, thereby make the work piece on the connecting seat leave the connecting seat.

Preferably, the hanging pieces are installed on two opposite sides of the connecting seat, the top plates are arranged on two sides of the material receiving seat, first collecting baskets for receiving workpieces are further arranged on two sides of the conveying direction of the conveying belt, the second collecting baskets are used for collecting the connecting seat, and the second collecting baskets are close to the output end of the conveying belt.

Through adopting above-mentioned technical scheme, all articulate the pendant on the both sides of connecting seat, can make and to articulate more work pieces on the screw rod, can improve the spraying efficiency of spraying production line. The work piece is retrieved through first collection basket, and the connecting seat is retrieved through second collection basket, makes work piece and connecting piece separately retrieve.

Preferably, a plurality of vertical grooves are formed in one side of the connecting seat.

Through adopting above-mentioned technical scheme, the vertical slot on connecting seat one side has a plurality ofly, can hang on the size decision connecting seat according to the work piece and have connect several pendants, makes the connecting seat can articulate more work pieces as far as possible.

Preferably, the part of the insert block sliding out of the embedded groove is provided with a guide surface.

Through adopting above-mentioned technical scheme, the connecting seat passes through the spigot surface can be better with the outer wall butt of shrouding, makes the inserted block extruded in the caulking groove, continues to make the inserted block insert in the slot after moving the connecting seat.

Preferably, the opening part interference joint of caulking groove has the dog of the whole roll-off caulking grooves of restriction inserted block, the inserted block has the butt piece with second spring fixed connection's one end integrated into one piece.

Through adopting above-mentioned technical scheme, through dog and butt piece butt to make the inserted block can not follow outside the whole roll-off caulking grooves of caulking groove more.

In a second aspect, the application provides a discharging method applied to a spraying production line, which adopts the following technical scheme:

unloading through foretell automatic discharge device, when the track is through the district of unloading, first drive assembly orders about the screw rod and rotates to first limiting plate restriction hangs the seat and does not rotate, makes to rotate and accompanies the screw rod and rotate to dead slot and slot when communicating each other, and the plug-in block in the slot leaves and hangs the seat, leads to the connecting seat to leave and hangs the seat.

Through adopting above-mentioned technical scheme, first drive assembly orders about the screw rod and drives when rotating rotatoryly, hangs the seat and does not rotate, makes the shrouding that rotates the piece rotated the below of slot, and the inserted block leaves the slot when dead slot and slot communicate each other to make the connecting seat drive the work piece and leave and hang the seat, thereby make the work piece in the district of unloading in time be unloaded.

In summary, the present application includes at least one of the following benefits:

1. when the first driving assembly drives the screw rod to rotate, the first and second limiting blocks enable the suspension seat not to rotate, and when the rotating piece rotates to the empty slot to be communicated with the slot, the connecting seat hung with the workpiece can leave the suspension seat, so that the workpiece can be automatically unloaded, and the problem that the product cannot be timely taken down is solved;

2. when the pendant falls, the roof orders about the locating piece of stock and upwards slides along erecting the groove, makes the locating piece leave the second stopper, and the one end of stock is because the gravity of pendant, so the stock can use the roof to drive the locating piece outwards upset as the fulcrum, and pendant and work piece leave the connecting seat, and the connecting seat can articulate the work piece of not spraying again.

Drawings

FIG. 1 is a partial schematic view of a spray coating line;

FIG. 2 is a schematic view, partly in vertical section, of the present embodiment;

FIG. 3 is a schematic view showing the structure of the rotary member according to the present embodiment;

FIG. 4 is a partial structural view of the discharge area in this embodiment;

FIG. 5 is a schematic view of the overall structure of the projection receiving mechanism in this embodiment;

FIG. 6 is a schematic structural diagram of the highlighting pendant of the present embodiment;

FIG. 7 is a schematic structural view showing that the distance between the top plate and the long rod is smaller than the distance between the upper surface of the material receiving seat and the hanging seat;

FIG. 8 is a schematic view of the connection seat of the present embodiment in a state where the long rod abuts against the top plate when the connection seat falls on the material receiving seat;

FIG. 9 is a schematic diagram illustrating the overall structure of the highlight reset region according to the present embodiment;

FIG. 10 is a schematic view of the second driving assembly of the present embodiment.

Description of reference numerals: 1. a spraying production line; 11. a track; 12. a discharge area; 13. a workpiece loading area; 14. a reset region; 2. a screw; 21. a fixed block; 211. a chute; 212. a first stopper; 213. a first spring; 22. a bearing; 23. a suspension seat; 231. a slot; 232. a first limit groove; 24. a slide plate; 3. a material hanging mechanism; 31. a connecting seat; 311. a groove; 312. caulking grooves; 3121. a stopper; 313. inserting a block; 3131. a butting block; 314. a second spring; 315. a vertical slot; 316. a second limiting block; 317. a through groove; 32. hanging parts; 321. a long rod; 322. hooking; 323. positioning blocks; 4. a first drive assembly; 41. a strip plate; 42. a first bump; 43. a first drive lever; 5. a material receiving mechanism; 51. a conveyor belt; 52. a receiving seat; 53. a top plate; 54. a first collection basket; 55. a second collecting basket; 6. a rotating member; 61. a connecting portion; 62. closing the plate; 63. an empty groove; 7. a first limit plate; 8. a second drive assembly; 81. a conveyor belt; 82. a second bump; 83. a second drive lever; 9. a second limiting plate; 91. a second limit groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses be applied to automatic discharge device of spraying production line. Referring to fig. 1, the spraying production line 1 comprises a discharge area 12, a loading area 13, a reset area 14 arranged between the loading area 13 and the discharge area 12, and a track 11, wherein the track 11 passes through the discharge area 12, the reset area 14 and the discharge area 12.

Referring to fig. 2, the screw assembly comprises a plurality of screws 2 rotatably mounted on a rail 11, wherein the screws 2 are uniformly distributed at intervals along the length direction of the rail 11. Be connected with fixed block 21 between screw rod 2 and the track 11, set up the spout 211 that is used for supplying screw rod 2 to reciprocate in the fixed block 21, the one end of screw rod 2 is located spout 211 and is connected with bearing 22, the inner circle and the screw rod 2 fixed connection of bearing 22, the lower extreme of spout 211 is connected with and is used for restricting the first stopper 212 outside the bearing 22 roll-off spout 211, be provided with first spring 213 between first stopper 212 and the bearing 22, first spring 213 is provided with a plurality ofly and the equipartition is on the week side of screw rod 2, the screw rod 2 stretches out the one end threaded connection outside fixed block 21 and hangs seat 23, the cross section that hangs seat 23 is the rectangular structure.

Referring to fig. 2, the hanging device 3 is further included, the hanging device 3 includes a connecting seat 31 detachably connected to the hanging seat 23, a groove 311 is formed in one end of the connecting seat 31 connected to the hanging seat 23, an embedding groove 312 is formed in an inner wall of the groove 311, and an insertion block 313 is embedded in the embedding groove 312. A second spring 314 for driving the insert 313 to partially slide out of the insert 312 is installed in the insert 312, and two ends of the second spring 314 are fixedly bonded with the insert 312 and the insert 313 respectively. A stop 3121 for limiting the insert block 313 to completely slide out of the insertion groove 312 is clamped at the opening of the insertion groove 312 in an interference manner, and an abutting block 3131 is integrally formed at one end of the insert block 313 fixedly connected with the second spring 314. When the insert block 313 extends out of the insertion groove 312, the abutting block 3131 abuts against the stop 3121.

Referring to fig. 2, a slot 231 for inserting the insertion block 313 is formed on an outer wall of the hanging seat 23, and an inner wall of one side of the slot 231 penetrates through a side surface of the hanging seat 23 away from the fixing block 21. One end of the screw rod 2, which is far away from the fixed block 21, passes through the suspension seat 23, and is connected with a rotating piece 6 for receiving or releasing the insert block 313.

Referring to fig. 3, the rotor 6 includes a connecting portion 61 fixedly connected to the screw 2 and two sealing plates 62 fixedly mounted on the connecting portion 61, and the two sealing plates 62 are symmetrically disposed with respect to the screw 2. An empty groove 63 is formed between the two close plates 62 with a gap.

Referring to fig. 2 and 4, discharge region 12 is provided with a first driving assembly 4 for driving connecting holder 31 away from suspension holder 23. The first driving assembly 4 includes a long plate 41 fixedly installed on one side of the rail 11, and a first projection 42 installed on the long plate 41. The first driving member further includes a first driving rod 43 fixedly mounted on the screw rod 2, and a plurality of first driving rods 43 are uniformly arranged at intervals along the circumferential direction of the screw rod 2. When the track 11 drives the screw rod 2 to move, the first protrusion 42 blocks the first driving rod 43, so that the first driving rod 43 rotates along the screw rod 2 in the circumferential direction. When the first driving rod 43 rotates the screw rod 2 downward, the bearing 22 presses the first spring 213 downward.

Referring to fig. 4, a first limiting plate 7 for limiting the rotation of the hanging seat 23 is arranged in the discharging area 12, and the first limiting plate 7 is fixedly installed on the slide rail. Hang and offer on the seat 23 and be used for with first limiting plate 7 sliding connection's first spacing groove 232, first limiting plate 7 is close to hanging between the tip of seat 23 and the inner wall of first spacing groove 232 parallel to each other.

Referring to fig. 2 and 4, when the screw 2 enters the discharging area 12, the first limit groove 232 of the hanging seat 23 slides into the first limit plate 7, and the first driving rod 43 collides with the first bump 42, so that the first driving rod 43 drives the screw 2 to rotate. The screw rod 2 rotates the rotating member 6 to make the rotating member 6 rotate until the empty slot 63 is communicated with the insertion slot 231, so that the insertion block 313 installed in the insertion slot 231 is separated from the insertion slot 231, and the connecting seat 31 is separated from the hanging seat 23.

It should be noted that the number of the first protrusions 42 on the long strip plate 41 is calculated, so that when the first driving rod 43 moves along the track 11, the number of times that the first driving rod 43 collides with the first protrusion 42 just allows the screw 2 to rotate by about 90 degrees, so that the empty slot 63 and the slot 231 communicate with each other.

Referring to fig. 5, a receiving mechanism 5 for receiving the workpiece is further disposed on the discharging area 12, the receiving mechanism 5 includes a conveying belt 51 and a receiving seat 52 fixedly mounted on the conveying belt 51, and the receiving seat 52 extends along a length direction of the conveying belt 51. The connecting base 31 is provided with a through groove 317 slidably connected with two opposite side walls of the material receiving base 52, and the through groove 317 is communicated with the groove 311.

Referring to fig. 5, first collecting baskets 54 for receiving the hangers 32 and the workpieces are installed at both sides of the conveyor belt 51, so that the workpieces are collected in the first collecting baskets 54 when they fall from the slide rails. A second collection basket 55 is also included, the second collection basket 55 being located adjacent the output end of the conveyor belt 51.

Referring to fig. 6, the hanging mechanism 3 further includes a hanging member 32 mounted on the connecting seat 31, the hanging member 32 includes a long rod 321 and a hook 322 mounted on one end of the long rod 321, and the other end of the long rod 321 is connected with a positioning block 323. The connecting base 31 is provided with a vertical slot 315 for the positioning block 323 to slide up and down, the lower end of the vertical slot 315 is connected with a second limiting block 316 for limiting the positioning block 323 to leave the vertical slot 315, and the hanging member 32 is slidably connected with the second limiting block 316.

Referring to fig. 7, a top plate 53 is fixedly connected to the conveying belt 51, and the top plate 53 is distributed on both sides of the material receiving seat 52. When the through groove 317 of the connecting seat 31 is slid into the material receiving seat 52, the top plate 53 is positioned below the hanging piece 32, and the distance between the top plate 53 and the long rod 321 is smaller than the distance between the upper surface of the material receiving seat 52 and the hanging seat 23.

Referring to fig. 6 and 8, when the connecting seat 31 leaves the hanging seat 23 and the connecting seat 31 falls down along the receiving seat 52 under the action of its own power, the top plate 53 abuts against the hanging piece 32 and drives the positioning block 323 of the hanging piece 32 to slide upwards along the vertical slot 315, and when the connecting seat 31 falls on the receiving seat 52, the positioning block 323 leaves the second limiting block 316. Because the workpiece is hung at the end of the hanging piece 32 far away from the positioning block 323, the hanging piece 32 is under the action of the gravity of the workpiece, so that the hanging piece 32 takes the top plate 53 as a fulcrum, the positioning block 323 is separated from the connecting seat 31, and the workpiece and the hanging piece 32 are separated from the connecting seat 31.

Referring to fig. 9 and 10, the reset area 14 is provided with a second driving assembly 8 for driving the suspension holder 23 to rotate. The second driving assembly 8 comprises a conveyor belt 81 and second projections 82 mounted on the conveyor belt 81, the second projections 82 being regularly distributed on the conveyor belt 81. The second driving assembly 8 further comprises a second driving rod 83 mounted on the hanging seat 23, the conveying direction of the conveyor belt 81 is opposite to the moving direction of the slide rail, and the second protrusion 82 has a poking effect on the second driving rod 83, so that the second driving rod 83 drives the hanging seat 23 to rotate. When the hanging seat 23 is rotated by the second protrusion 82, the hanging seat 23 rotates along the screw 2 due to the conveying direction of the conveyor belt 81, so that the sealing plate 62 is located below the slot 231 again.

Referring to fig. 9 and 10, a second limiting plate 9 for limiting the rotation of the screw 2 along with the mounting plate is disposed on the reset area 14, and the second limiting plate 9 is fixedly mounted on the slide rail. The screw rod 2 is fixedly connected with a sliding plate 24, and the cross section of the sliding plate 24 is of a rectangular structure. A second limiting groove 91 for the sliding connection of the sliding plate 24 is formed in the second limiting plate 9, and the second limiting groove 91 extends along the length direction of the second limiting plate 9. One side of the sliding plate 24 and the bottom wall of the second limiting groove 91 are in contact with each other, and when the sliding plate 24 is slidably connected in the second limiting groove 91, the screw rod 2 is prevented from rotating due to the rotation of the suspension seat 23.

It should be noted that the speed of the transmission belt 81 is preset, when the second driving plate moves along the track 11, the number of times that the second driving rod 83 pulls one second driving rod 83 is fixed, and after the second driving rod 83 passes through the transmission belt, the suspension seat 23 rotates about 90 degrees, so that the sealing plate 62 is located below the slot 231 again.

When the screw rod 2 and the suspension seat 23 are out of the discharging area 12, the suspension seat 23 is away from the first limit plate 7, the gravity of the screw rod 2 for pressing the second spring 314 is reduced, the second spring 314 can move upwards for a certain distance due to the elastic force of the second spring 314, the moving distance is within the error range during calculation, and the rotating angle of the screw rod 2 is calculated, so that the sliding plate 24 can enter the second limit groove 91 at the same position.

A person can hang a workpiece on the hanging piece 32, then hang the hanging piece 32 into the connecting seat 31, and manually install the connecting seat 31 and the workpiece on the hanging seat 23 at one time after the screw rod 2 drives the hanging seat 23 to enter the upper piece area 13; or the hanging piece 32 is firstly installed on the connecting seat 31, the connecting seat 31 is installed on the hanging seat 23, and then the workpiece is hung on the hanging piece 32. The rail 11 moves at a slow speed, so that a time is left for the insertion block 313 to be inserted into the insertion slot 231.

The implementation principle of the automatic discharging device applied to the spraying production line is as follows:

when the connecting seat 31 with the workpiece hung thereon passes through the unloading area 12 along with the rail 11, the hanging seat 23 slides into the first limiting plate 7, the first driving rod 43 impacts the first bump 42, so that the first driving rod 43 drives the screw rod 2 to rotate in the hanging seat 23, the rotating part 6 enables the sealing plate 62 to leave the lower part of the slot 231 along with the rotation of the screw rod 2, the insert block 313 leaves the hanging seat 23 through the through slot 317, the workpiece leaves the rail 11, the workpiece can be automatically unloaded, and the problem that the product cannot be timely taken down is solved.

The embodiment of the application also discloses an unloading method applied to the spraying production line, which comprises the following steps:

when the rail 11 passes through the discharging area 12, the first driving unit 4 drives the screw rod 2 to rotate, and the first limiting plate 7 limits the suspension base 23 from rotating, so that the rotating member 6 can rotate along with the screw rod 2 until the empty slot 63 and the slot 231 communicate with each other, and the insert 313 in the slot 231 leaves the suspension base 23, resulting in the connection seat 31 leaving the suspension base 23.

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 (8)

1. An automatic discharge device applied to a painting line, said painting line (1) comprising a track (11) for conveying workpieces, characterized in that: comprises a plurality of screw rods (2) rotatably arranged on a track (11), the screw rods (2) are uniformly distributed on the track (11) at intervals, a fixed block (21) is connected between the screw rod (2) and the track (11), the fixed block (21) is provided with a sliding groove (211) for the screw rod (2) to move up and down, one end of the screw rod (2) is positioned in the sliding groove (211) and is connected with a bearing (22), the inner ring of the bearing (22) is fixedly connected with the screw rod (2), the lower end of the sliding groove (211) is connected with a first limiting block (212) used for limiting the bearing (22) to slide out of the sliding groove (211), a first spring (213) is arranged between the first limit block (212) and the bearing (22), the first spring (213) is provided with a plurality of springs and is evenly distributed on the peripheral side of the screw rod (2), one end of the screw rod (2) extending out of the fixed block (21) is connected with a suspension seat (23) in a threaded manner;

the workpiece hanging device is characterized by further comprising a hanging mechanism (3) used for hanging a workpiece, wherein the hanging mechanism (3) comprises a connecting seat (31) detachably connected to the hanging seat (23) and a hanging piece (32) installed on the connecting seat (31) and used for hanging the workpiece, one end, connected with the hanging seat (23), of the connecting seat (31) is provided with a groove (311), the inner wall of the groove (311) is symmetrically provided with two embedded grooves (312), an inserting block (313) is embedded in each embedded groove (312), a second spring (314) used for driving the part of the inserting block (313) to slide out of each embedded groove (312) is installed in each embedded groove (312), and the outer wall of the hanging seat (23) is provided with an inserting groove (231) used for inserting the inserting block (313);

the inner wall of one side of the slot (231) penetrates through one side face, away from the track (11), of the suspension seat (23), one end, away from the track (11), of the screw rod (2) penetrates through the suspension seat (23), and is fixedly connected with a rotating piece (6) used for bearing or releasing the insertion block (313), the rotating piece (6) comprises a connecting portion (61) fixedly connected with the screw rod (2) and two sealing plates (62) fixedly installed on the connecting portion (61), the two sealing plates (62) are symmetrically distributed on the connecting portion (61), and a gap is reserved between the two sealing plates (62) to form a hollow groove (63);

the spraying production line (1) further comprises a discharging area (12), a first driving assembly (4) for driving the rotating piece (6) to rotate is arranged in the discharging area (12), the first driving assembly (4) comprises a long strip plate (41) fixedly installed on one side of the track (11) and first protruding blocks (42) installed on the long strip plate (41), the first protruding blocks (42) are regularly distributed on the long strip plate (41), the long strip plate (41) is located in the discharging area (12), the first driving assembly (4) further comprises first driving rods (43) installed on the screw rods (2), and the first protruding blocks (42) are abutted to the first driving rods (43);

be provided with in unloading district (12) and be used for the restriction to hang seat (23) and accompany screw rod (2) pivoted first limiting plate (7), first limiting plate (7) fixed mounting is on one side of track (11), hang and offer on seat (23) and be used for with first limiting plate (7) sliding connection's first spacing groove (232), sliding connection between first limiting plate (7) are close to the tip that hangs seat (23) and the inner wall of first spacing groove (232).

2. The automatic discharging device applied to the spraying production line according to claim 1, characterized in that: a reset area (14) is arranged between the unloading area (12) and the loading area (13) of the spraying production line (1), the rail (11) passes through the reset area (14), a second driving assembly (8) for driving the hanging seat (23) to rotate is arranged on the reset area (14), the second driving assembly (8) comprises a conveyor belt (81) and a plurality of second convex blocks (82) installed on the conveyor belt (81), the second convex blocks (82) are evenly distributed on the conveyor belt (81) at intervals, the conveying direction of the conveyor belt (81) is opposite to the moving direction of the rail (11), the second driving assembly (8) further comprises a second driving rod (83) installed on the hanging seat (23), and when the second driving rod (83) passes through the conveyor belt (81), the second convex blocks (82) poke the second driving rod (83);

be provided with on reset area (14) and be used for restricting screw rod (2) to accompany and hang seat (23) pivoted second limiting plate (9), second limiting plate (9) fixed mounting is on track (11), circumferential connection has slide (24) on screw rod (2), second limiting plate (9) are offered and are used for supplying slide (24) sliding connection's second spacing groove (91), the tip of slide (24) is the rectangle structure and contacts each other with the inner wall of second spacing groove (91).

3. The automatic discharging device applied to the spraying production line according to claim 1, characterized in that: the discharging area (12) is provided with a material receiving mechanism (5) used for receiving the connecting base (31), the material receiving mechanism (5) comprises a conveying belt (51) and a material receiving base (52) installed on the conveying belt (51), the material receiving base (52) extends along the conveying belt (51), a through groove (317) for the material receiving base (52) to be connected in a sliding mode is formed in the connecting base (31), the material receiving base (52) is located in the through groove (317), the through groove (317) is communicated with the groove (311), and a top plate (53) is fixedly connected to the material receiving base (52);

the hanging piece (32) comprises a long rod (321) and a hook (322) installed at one end of the long rod (321), the other end of the long rod (321) is connected with a positioning block (323), a vertical groove (315) for allowing the positioning block (323) to slide is formed in the side wall of the connecting seat (31), and a second limiting block (316) for limiting the positioning block (323) to leave the vertical groove (315) is arranged at the lower end of the vertical groove (315);

when the through groove (317) of the connecting seat (31) slides into the material receiving seat (52), the top plate (53) is positioned below the long rod (321), the distance between the top plate (53) and the long rod (321) is smaller than the distance between the upper surface of the material receiving seat (52) and the hanging seat (23), and when the connecting seat (31) falls on the material receiving seat (52), the positioning block (323) leaves the second limiting block (316).

4. The automatic discharging device applied to the spraying production line according to claim 3, characterized in that: the hanging pieces (32) are installed on two opposite sides of the connecting seat (31), the top plate (53) is arranged on two sides of the material receiving seat (52), first collecting baskets (54) used for receiving workpieces are further arranged on two sides of the conveying direction of the conveying belt (51), the conveying belt further comprises second collecting baskets (55) used for collecting the connecting seat (31), and the second collecting baskets (55) are close to the output end of the conveying belt (51).

5. The automatic discharging device applied to the spraying production line according to claim 4, wherein: the vertical grooves (315) on one side of the connecting seat (31) are provided in plurality.

6. The automatic discharging device applied to the spraying production line according to claim 1, characterized in that: the part of the insertion block (313) sliding out of the embedding groove (312) is provided with a guide surface.

7. The automatic discharging device applied to the spraying production line according to claim 1, characterized in that: the opening part of caulking groove (312) interference joint has stopper (3121) that restriction inserted block (313) all slided out caulking groove (312), one end integrated into one piece that inserted block (313) and second spring (314) fixed connection have butt piece (3131).

8. The unloading method applied to the spraying production line is characterized in that: the automatic discharging device for discharging according to any one of claims 1 to 7, wherein when the rail (11) passes through the discharging area (12), the first driving member (4) drives the screw rod (2) to rotate, and the first limiting plate (7) limits the suspension seat (23) from rotating, so that the rotating member (6) rotates with the screw rod (2) downward until the empty slot (63) and the insertion slot (231) communicate with each other, the insert (313) in the insertion slot (231) is separated from the suspension seat (23), and the connecting seat (31) is separated from the suspension seat (23).

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