CN111974581A

CN111974581A - Powder spraying room for powder spraying

Info

Publication number: CN111974581A
Application number: CN202010840588.7A
Authority: CN
Inventors: 郑燕玲; 郑金国; 林谊云
Original assignee: Fuzhou Honghe Machinery Co Ltd
Current assignee: Fuzhou Honghe Machinery Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2020-11-24
Anticipated expiration: 2040-08-20
Also published as: CN111974581B

Abstract

The utility model relates to a room of dusting for powder spraying, including the room body, locate the reciprocating engine of room body lateral wall, connect in the spray gun of reciprocating engine, the top of the room body is equipped with the conveying frame, be equipped with the transfer chain in the conveying frame, the transfer chain is equipped with downwardly extending's projection, it is connected with the connecting cylinder to rotate on the outer wall of projection, be equipped with the gear on the outer wall of connecting cylinder, the top of the room body is equipped with the rack, the spout has been seted up in the connecting cylinder, sliding connection has the couple in the spout, the upper end of couple is equipped with the pillar that extends to both sides, offer on the lateral wall of connecting cylinder and be used for supplying the gliding groove of stepping down of pillar, be equipped with between the room body and the connecting cylinder and be used for driving the pillar at the gliding drive structure in the groove of stepping down, the one end slope that the room body inner wall was kept away. This application has the effect that improves the homogeneity to the work piece spraying.

Description

Powder spraying room for powder spraying

Technical Field

The application relates to the technical field of powder spraying, in particular to a powder spraying room for powder spraying.

Background

Metal workpieces are coated with external powders for long-lasting aesthetic effect and long service life, and electrostatic powder coating is the most favored method. At present, electrostatic powder spraying is a new technology in the field of modern coating industry, is used for replacing a process for spraying paint, and has obvious advantages. Electrostatic spraying usually can be gone on in whitewashing room, the room of dusting generally can set up into discharge gate and the suspension conveying chain that is located whitewashing room top, carry the work piece into the feed inlet of whitewashing room through suspension conveying chain, and the operation of dusting is carried out through the whitewashing pipeline that sets up in the room of dusting and duster, the work piece by the spraying is the positive pole, duster department is connected with the needle gun that discharges, will produce the corona discharge phenomenon through the discharge needle, the powder particle of taking the negative charge this moment arrives the surface of work piece under the injection effect of duster, because the electrostatic force attracts, make the powder adsorb on the surface of work piece, transport the discharge gate until the work piece.

The patent document with the existing publication number of CN209379277U discloses a big whirlwind recovery system is with high-efficient type room that spouts, including the room body, set up in the reciprocating engine of room body both sides, be equipped with the spray gun that extends into the internal powder spraying that is used for of room on the reciprocating engine, the reciprocating engine can drive the spray gun and carry out the upward motion of vertical direction, the room body upside still is equipped with the conveying frame, be equipped with the conveyer belt in the conveying frame, be equipped with the couple on the conveyer belt, the work piece that needs the spraying hangs on the couple, the conveyer belt can move in the conveying frame, thereby it advances to drive the couple, make the work piece get into the room internal, the spray gun carries out the spraying to the work piece, and the work piece that the spraying is good comes out from the room.

In the related art, the inventor thinks that the work piece enters the room body and carries out the spraying in-process, and the spray gun sets up on the both sides inner wall of room body, can carry out the spraying powder to the surface of work piece, but the powder that the bottom surface of work piece contacted is few, often needs the later stage to carry out the additional spray, has increased staff's work load.

Disclosure of Invention

In order to improve the uniformity of spraying to the work piece, this application provides a room that dusts for powder spraying.

The application provides a room that dusts for powder spraying uses following technical scheme:

a powder spraying room for powder spraying comprises a room body, a reciprocating machine arranged on the side wall of the room body, and a spray gun connected to the reciprocating machine, wherein a conveying frame is arranged at the top of the room body, a conveying chain is arranged in the conveying frame, the conveying chain is provided with a plurality of downwardly extending convex columns, the convex columns are uniformly arranged along the length direction of the conveying chain, the outer wall of each convex column is rotatably connected with a connecting cylinder, a gear is arranged on the outer wall of the connecting cylinder, a rack is arranged at the top of the room body, the length direction of the rack is parallel to the length direction of the conveying frame, a sliding groove is formed in the connecting cylinder, a hook is connected in the sliding groove in a sliding manner and can slide along the length direction of the connecting cylinder, supporting columns extending towards two sides are arranged at the upper end of the hook, a yielding groove for allowing the supporting columns to slide is formed in the side wall of the connecting cylinder, a driving structure for driving the supporting columns to slide in the yielding groove is, the spray gun extends to the internal portion in room and the one end slope that the internal wall of room was kept away from to the spray gun upwards sets up, drive structure is including locating the extension board on the internal roof in room, the extension board is provided with two and extends to the internal extension in room, drive structure is still including locating the connecting block on the connecting cylinder outer wall, the pillar is worn to establish the groove of stepping down and is connected on the connecting block, drive structure is still including the symmetry locate two and is extended the strip of touch on one side that the board is relative, the strip of touch is provided with a plurality of wave peak portions along the length direction interval of touch, the wave peak portion is the arc structure of arc mouth down, the lower extreme of connecting block can be contradicted in the strip of contradicting, be equipped with the elastic component that is used for driving the couple downstream between connecting.

By adopting the technical scheme, the workpiece to be sprayed is hung on the hook, when the conveying chain enters the room body, the gear on the side wall of the connecting cylinder can be meshed with the rack, so that the connecting cylinder can rotate, the workpiece is driven to rotate, the spray gun can spray the peripheral surface of the workpiece, the spraying effect on the workpiece is improved, and the powder on the surface of the workpiece is distributed more uniformly; in addition, when the connecting block enters between the two extension plates, the connecting block can be abutted against the abutting strips, when the connecting block moves to the wave peak part, the connecting block can move upwards along the abutting strips, the support column penetrates through the abdicating groove to be connected onto the connecting block, so that the connecting block can move upwards to drive the hook to move upwards, the height of the workpiece can also rise accordingly, the spray gun is obliquely arranged towards the direction of the workpiece, and under the driving of the reciprocating machine, the spray gun can move in the vertical direction, so that the bottom surface of the workpiece can be sprayed in the moving process of the spray gun, the spraying effect on the workpiece is better, an elastic part for driving the hook to move downwards is arranged between the connecting cylinder and the hook, the connecting block can move downwards under the action of the elastic part after passing through the peak of the wave peak part, the wave peak parts are provided with a plurality of wave peak parts, and the workpiece can continuously rotate after, and the workpiece can be lifted continuously, and the peripheral surface and the bottom surface of the workpiece can be sprayed.

Preferably, the lower end of the connecting block is provided with a round corner structure.

Through adopting above-mentioned technical scheme, the lower extreme of connecting block is provided with the fillet structure for the connecting block can be more convenient when the contact strip is contradicted to the connecting block move along the strip of contradicting.

Preferably, the elastic member includes a first spring disposed in the sliding groove, one end of the first spring is connected to the upper end of the hook, the other end of the first spring is connected to the inner top wall of the sliding groove, and when the connecting block is located at the crest portion, the first spring is in a compressed state.

Through adopting above-mentioned technical scheme, when the connecting block moved along crest portion, first spring was in compression state, behind the highest position of connecting block through crest portion, can drive the connecting block downstream under the spring action of first spring to make the work piece can descend after rising.

Preferably, the side wall of the connecting cylinder is provided with bristles.

Through adopting above-mentioned technical scheme, be equipped with the brush hair on the lateral wall of connecting cylinder, the connecting cylinder is when rotating, and the brush hair can be cleared up the surface of extension board, reduces the adhesion powder on the extension board.

Preferably, the inner top surface of the house body is provided with a scraping strip for scraping powder on the inner top surface of the house body, and the house body is internally provided with a power structure for driving the scraping strip to slide.

Through adopting above-mentioned technical scheme, under the effect of power structure, scrape the strip and can slide on the internal fixed ratio wall of the room body to can scrape down the most powder on the internal fixed wall of room, work load when reducing the later stage clearance.

Preferably, the power structure includes that vertical sliding connection is in the montant on the one side that the extension board deviates from each other, the lower extreme level of montant is provided with the conflict pole, the length direction of conflict pole is on a parallel with the length direction of transfer chain, the power structure is still including locating the power piece on the couple lateral wall, when the couple is along conflict strip upward movement, the power piece can conflict in conflict pole and drive montant rebound, it has the connecting rod to articulate on the montant, the one end that the montant was kept away from to the connecting rod articulates on scraping the strip, be equipped with the guide on the internal roof of room, the extension board is equipped with the compound original paper that is used for driving conflict pole downward movement.

Through adopting above-mentioned technical scheme, the connecting block can drive the couple upward movement when the upward movement on the strip of touching, and power piece can the upward movement during couple upward movement to make power piece drive montant upwards slide, the montant upward movement scrapes the strip through the connecting rod drive and slides, and when the couple downstream, the piece that restores can drive the montant downstream, thereby makes the montant can be by the next power piece lifting.

Preferably, the guide piece includes the guide bar of wearing to establish the scraping strip, and the one end of guide bar is connected on the inner wall of the room body, and the other end is connected on the extension board.

Through adopting above-mentioned technical scheme, under the effect of guide bar, the slip that the scraping strip can be stable.

Preferably, the restoring member includes a second spring provided between the extension plate and the interference lever.

Through adopting above-mentioned technical scheme, under the elastic force effect of second spring, can drive the montant downstream, prepare for next rising.

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

1. when a workpiece enters the room body, the gear and the rack are meshed with each other, so that the connecting cylinder can rotate to drive the hook to rotate, and the peripheral surface of the workpiece can be sprayed to powder;

2. when the contact strip of connecting block rises, the bottom surface of work piece can be sprayed to the spray gun, further improves the homogeneity of spraying.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 3 is a schematic view of the structure of the connector barrel and hook of the embodiment of the present application;

FIG. 4 is a schematic structural view of a wiper strip in an embodiment of the present application;

fig. 5 is an enlarged schematic view at a in fig. 4.

Description of reference numerals: 1. a house body; 2. a reciprocating machine; 3. a spray gun; 4. a transfer frame; 5. a conveyor chain; 6. a convex column; 7. a connecting cylinder; 8. a gear; 9. a rack; 10. a chute; 11. hooking; 12. a pillar; 13. a yielding groove; 14. a drive structure; 141. an extension plate; 142. connecting blocks; 143. a contact bar; 15. a crest portion; 16. an elastic member; 17. brushing; 18. scraping the strips; 19. a power structure; 191. a vertical rod; 192. a power block; 20. a touch bar; 21. a connecting rod; 22. a guide member; 23. original copy copying; 24. and (5) positioning the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a room of dusting for powder spraying, refer to fig. 1 and 2, including the room body 1, all be equipped with reciprocating engine 2 on the lateral wall of the room body 1, install the spray gun 3 that extends into the room body 1 on the reciprocating engine 2, spray gun 3 is used for spraying the powder and under the effect of reciprocating engine 2 spray gun 3 can carry out the ascending reciprocating motion of vertical side. The top of the house body 1 is provided with a conveying frame 4, a conveying chain 5 is installed in the conveying frame 4, and the conveying chain 5 can move in the conveying frame 4 along the length direction of the conveying frame 4.

Referring to fig. 2 and 3, the transmission rack 4 is located above the room body 1, the transmission chain 5 is fixed with a downwardly extending convex column 6, the convex column 6 is rotatably connected with a connecting cylinder 7, the connecting cylinder 7 and the convex column 6 are coaxially arranged, and the upper end of the connecting cylinder 7 is rotatably connected to the side wall of the lower end of the convex column 6 in a bearing manner. A rack 9 is fixed on the top surface of the house body 1, the length direction of the rack 9 is parallel to the length direction of the conveying frame 4, a gear 8 is fixed on the side wall of the connecting cylinder 7, and the gear 8 can be meshed with the rack 9. When the conveyor chain 5 is moved to the position of the toothed rack 9, the gear wheel 8 and the toothed rack 9 mesh with one another, so that the connecting cylinder 7 can be rotated. The lower end of the connecting cylinder 7 is also connected with a hook 11 in a sliding manner, and the lower end of the hook 11 is used for hanging a workpiece. A driving structure 14 for driving the hook 11 to vertically slide downwards in the connecting cylinder 7 is arranged between the house body 1 and the connecting cylinder 7. With reference to fig. 1, the original one end of the spray gun 3 away from the side wall of the room body 1 is inclined upwards, when a workpiece enters the room body 1, the connecting cylinder 7 can drive the hook 11 to rotate, and under the action of the driving structure 14, the hook 11 can move up and down, so that the spray gun 3 can spray the surface of the workpiece and also can spray the bottom surface of the workpiece.

Referring to fig. 2 and 3, the protruding columns 6 are uniformly provided in plurality along the length direction of the conveyor chain 5. A sliding groove 10 for inserting the upper end of the hook 11 is arranged in the connecting cylinder 7. The hook 11 can slide vertically along the inside of the chute 10. The side wall of the connecting cylinder 7 is symmetrically provided with abdicating grooves 13, the length direction of the abdicating grooves 13 is parallel to the length direction of the connecting cylinder 7, and the abdicating grooves 13 are communicated with the sliding grooves 10. The upper end of couple 11 is fixed with the pillar 12 that extends to both sides, and pillar 12 wears to establish and gives way groove 13 to make connecting cylinder 7 rotate and to drive couple 11 and rotate, and when couple 11 slided from top to bottom in spout 10, pillar 12 can slide from top to bottom in giving way groove 13.

Referring to fig. 2 and 3, the driving structure 14 includes two extension plates 141 disposed on the inner top wall of the house body 1, and the two extension plates 141 are symmetrically disposed along the length direction of the conveying frame 4, and the conveying chain 5 can pass between the two extension plates 141 during the movement. The driving structure 14 further comprises a connecting block 142 sleeved on the outer wall of the connecting cylinder 7. The supporting column 12 passes through the abdicating groove 13 and is fixedly connected on the connecting block 142. The connecting block 142 slides on the outer wall of the connecting cylinder 7, thereby causing the hook 11 to slide. The driving structure 14 further comprises an abutting strip 143 fixed on the opposite side of the extending plate 141, and the side wall of the lower end of the connecting block 142 can abut against the abutting strip 143 during the movement of the conveyor chain 5. The contact strip 143 is provided with a plurality of peak portions 15 at intervals along the length direction of the contact strip 143, and the peak portions 15 are arc-shaped structures with arc mouths facing downwards. The connecting block 142 can collide with the wave crest 15 in the moving process, and move upwards along with the wave crest 15, so as to drive the hook 11 to move upwards. After passing the highest point of crest 15, connecting block 142 will move downwards, thus causing hook 11 to move downwards. By controlling the speed of the up-and-down movement of the spray gun 3 to be greater than the speed of the movement of the hook 11 in the connecting cylinder 7, the spray gun 3 can spray the bottom surface of the workpiece.

Referring to fig. 3, an elastic member 16 for driving the hook 11 to move downward is installed between the connecting cylinder 7 and the hook 11, and the elastic member 16 includes a first spring installed in the sliding groove 10, one end of the first spring is fixed on the inner top surface of the sliding groove 10, and the other end of the first spring is fixed on the upper end surface of the hook 11. When the connecting block 142 abuts against the peak portion 15, the first spring is in a compressed state. The connecting block 142 is more easily lowered from the highest position of the peak portion 15 by the elastic force of the first spring. Further, in order to improve the stability of the connecting block 142 when moving on the contact strip 143, the lower end of the connecting block 142 is provided with a rounded structure. The side wall of the connecting cylinder 7 is welded with bristles 17, so that powder on the side wall of the extension plate 141 can be swept, and the bristles 17 are made of elastic plastic or rubber.

Referring to fig. 4, the inner top surface of the house body 1 is slidably connected with a scraping strip 18, and the scraping strip 18 can scrape off powder on the inner top surface of the house body 1, so that the workload of later cleaning is reduced. The house body 1 is internally provided with a power structure 19 for driving the scraping strip 18 to slide.

Referring to fig. 4 and 5, the power structure 19 includes a vertical rod 191 slidably connected vertically to the sides of the extension plates 141 facing away from each other. The extending plate 141 is fixed with a projection through which the vertical rod 191 passes, so that the vertical rod 191 can slide vertically. The lower end of the vertical rod 191 is horizontally provided with a touch rod 20, and the length direction of the touch rod 20 is parallel to the moving direction of the workpiece. In order to improve the stability of the touch bars 20, at least two vertical bars 191 are arranged on each touch bar 20, and the vertical bars 191 are perpendicular to the touch bars 20. The side wall of the upper end of the vertical rod 191 is hinged with a connecting rod 21, and one end of the connecting rod 21, which is far away from the vertical rod 191, is hinged on the scraping strip 18. The inner top wall of the house body 1 is provided with a guide piece 22 for guiding the scraping strip 18, so that the vertical rod 191 drives the scraping strip 18 to horizontally slide when moving up and down. The power structure 19 further comprises a power block 192 mounted on the side wall of the hook 11, when the hook 11 moves upward, the power block 192 can abut against the lower surface of the interference rod 20, thereby driving the vertical rod 191 to move upward. In order to facilitate the vertical rod 191 to move up and down driven by the power block 192, the distance between the adjacent hooks 11 is equal to the distance between the adjacent wave crest portions 15.

Referring to fig. 5, the guide 22 includes a guide bar penetrating the wiper strip 18, and the length direction of the guide bar is perpendicular to the length direction of the conveyor chain 5. One end of the guide bar is connected to the inner wall of the body 1 and the other end is connected to the extension plate 141. Further, the extension plate 141 is provided with a restoring member 23 for driving the striking rod 20 to move downward, so that the vertical rod 191 can move downward by the restoring member 23. The restoring member 23 includes a second spring installed between the extension plate 141 and the interference rod 20, and is in a compressed state when the vertical rod 191 moves upward. The second spring, when compressed, can drive the feeler lever 20 downwards. In order to improve the stability of second spring, can set up locating lever 24 on conflict pole 20, locating lever 24 and the coaxial setting of second spring and second spring cover locate the outer wall of locating lever 24, peg graft in extension board 141 in the upper end of locating lever 24 for when the upward movement of conflict pole 20, locating lever 24 can peg graft in extension board 141, makes the second spring be difficult to the distortion.

The implementation principle of the powder spraying room for powder spraying in the embodiment of the application is as follows: when the work piece entered into in the room body 1, gear 8 and rack 9 meshing for connecting cylinder 7 can rotate, thereby drives the work piece rotatory, and when connecting block 142 upward movement on conflict strip 143, couple 11 can rise, and spray gun 3 can spray the bottom surface of work piece.

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

Claims

1. The utility model provides a room of dusting for powder spraying, includes the room body (1), locates reciprocating engine (2) of room body (1) lateral wall, connects in spray gun (3) of reciprocating engine (2), and the top of the room body (1) is equipped with conveying frame (4), be equipped with transfer chain (5), its characterized in that in conveying frame (4): conveying chain (5) are equipped with downwardly extending's projection (6), projection (6) evenly are provided with a plurality ofly along the length direction of conveying chain (5), it is connected with connecting cylinder (7) to rotate on the outer wall of projection (6), be equipped with gear (8) on the outer wall of connecting cylinder (7), the top of the room body (1) is equipped with rack (9), the length direction of rack (9) is on a parallel with the length direction of conveying frame (4), seted up spout (10) in connecting cylinder (7), sliding connection has couple (11) in spout (10), couple (11) can slide along the length direction of connecting cylinder (7), the upper end of couple (11) is equipped with pillar (12) that extend to both sides, offer on the lateral wall of connecting cylinder (7) and be used for supplying the gliding groove of stepping down (13) of pillar (12), it is used for driving pillar (12) to be equipped with between the room body (1) and connecting cylinder (7) and is in the groove of stepping down (13) Gliding drive structure (14), spray gun (3) upwards sets up to the one end slope that room body (1) inner wall was kept away from to room body (1) inside extension and spray gun (3), drive structure (14) are including locating extension board (141) on roof in room body (1), extension board (141) are provided with two and extend to room body (1) in, drive structure (14) are still including locating connecting block (142) on connecting cylinder (7) outer wall, pillar (12) are worn to establish and are abducted groove (13) and connect on connecting block (142), drive structure (14) are still including symmetrically locating two butt touch strip (143) on the relative one side of extension board (141), butt touch strip (143) are provided with a plurality of crest portions (15) along the length direction interval of butt touch strip (143), crest portion (15) are the arc structure of arc mouth down, the lower end of the connecting block (142) can be abutted against the abutting strip (143), and an elastic part (16) used for driving the hook (11) to move downwards is arranged between the connecting cylinder (7) and the hook (11).

2. A powder spray booth for powder spraying according to claim 1, wherein: the lower end of the connecting block (142) is provided with a round corner structure.

3. A powder spray booth for powder spraying according to claim 2, wherein: elastic component (16) are including locating the first spring in spout (10), the one end of first spring is connected in the upper end of couple (11), the other end of first spring is connected on the interior roof of spout (10), and when connecting block (142) was in the position of crest portion (15), first spring was in compression state.

4. A powder spray booth for powder spraying according to claim 3, wherein: the side wall of the connecting cylinder (7) is provided with brush hair (17).

5. A powder spray booth for powder spraying according to claim 3, wherein: the inner top surface of the house body (1) is provided with a scraping strip (18) for scraping powder on the inner top surface of the house body (1), and the house body (1) is internally provided with a power structure (19) for driving the scraping strip (18) to slide.

6. A powder spray booth for powder spraying according to claim 5, wherein: the power structure (19) comprises vertical rods (191) which are vertically and slidably connected to the sides of the extension plates (141) which face away from each other, the lower end of the vertical rod (191) is horizontally provided with a touch bar (20), the length direction of the touch bar (20) is parallel to the length direction of the conveying chain (5), the power structure (19) also comprises a power block (192) arranged on the side wall of the hook (11), when the hook (11) moves upwards along the contact bar (143), the power block (192) can be pressed against the contact rod (20) and drive the vertical rod (191) to slide upwards, a connecting rod (21) is hinged on the vertical rod (191), one end of the connecting rod (21) far away from the vertical rod (191) is hinged on the scraping strip (18), be equipped with guide (22) on the interior roof of room body (1), extension board (141) are equipped with and are used for driving compound original paper (23) of feeler lever (20) downstream.

7. A powder spray booth for powder spraying according to claim 6, wherein: the guide piece (22) comprises a guide rod penetrating through the scraping strip (18), one end of the guide rod is connected to the inner wall of the house body (1), and the other end of the guide rod is connected to the extending plate (141).

8. A powder spray booth for powder spraying according to claim 6, wherein: the reset element (23) comprises a second spring arranged between the extension plate (141) and the abutting rod (20).