CN111451049A

CN111451049A - Flow coating machine

Info

Publication number: CN111451049A
Application number: CN202010423339.8A
Authority: CN
Inventors: 韩素喜; 韩宇
Original assignee: Hebei Qingfeng Car Body Mould Co ltd
Current assignee: Hebei Qingfeng Car Body Mould Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-07-28

Abstract

The invention provides a flow coating machine, which belongs to the technical field of spraying and comprises a conveying mechanism, a feeding pipe, a spray head and a feeding part, wherein the conveying mechanism is used for conveying an object to be sprayed; the feeding pipe is arranged on a conveying line of the conveying mechanism for conveying the object to be sprayed, and the conveying mechanism penetrates through the feeding pipe; the number of the spray heads is a plurality, the spray heads are connected with the feeding pipe, and the spray heads spray the objects to be sprayed on the conveying mechanism from the upper part, the lower part and the left and right sides of the conveying mechanism; the feeding portion is connected with the feeding pipe, and the feeding portion conveys the coating to the spray head by means of the feeding pipe. The flow coating machine provided by the invention has the advantages that the automatic spraying replaces the manual spraying, and the flow coating machine is more stable and automatic.

Description

Flow coating machine

Technical Field

The invention belongs to the technical field of spraying, and particularly relates to a flow coating machine.

Background

At present, large parts in many automobile, ship transportation equipment and mechanical equipment are metal castings, along with economic progress and urban expansion, the demand on the metal castings is larger and larger, and in the production process of the castings, sand molds, EPS models and the like generally need to be coated with coatings so as to avoid quality defects of the castings. The existing workshop is coated with paint on the object to be sprayed by manually using a hairbrush, so that the production efficiency is low

Disclosure of Invention

The invention aims to provide a flow coating machine, and aims to solve the problem that in the existing workshop, the production efficiency is low because a brush is manually used for coating a to-be-coated object.

In order to achieve the purpose, the invention adopts the technical scheme that: the flow coating machine comprises a conveying mechanism, a feeding pipe, a spray head and a feeding part, wherein the conveying mechanism is used for conveying an object to be coated; the feeding pipe is arranged on a conveying line of the conveying mechanism for conveying the object to be sprayed, and the conveying mechanism penetrates through the feeding pipe; the number of the spray heads is a plurality, the spray heads are connected with the feeding pipe, and the spray heads spray the objects to be sprayed on the conveying mechanism from the upper part, the lower part and the left and right sides of the conveying mechanism; the feeding portion is connected with the feeding pipe, and the feeding portion conveys the coating to the spray head by means of the feeding pipe.

As another embodiment of the application, the conveying mechanism comprises a support, a plurality of conveying rollers, a first chain, a second chain and a driving motor, wherein the conveying rollers are arranged on the support in a rotating mode at intervals; the number of the first chains is a plurality, the first chains are meshed with the chain wheels positioned on the inner sides of the two adjacent conveying rollers, and one first chain is meshed with the chain wheel positioned on the inner side of each conveying roller; the number of the second chains is a plurality, the second chains correspond to the space between the two first chains and are meshed with the chain wheels positioned on the outer sides of the two adjacent conveying rollers; the driving motor drives the conveying roller to rotate by means of the chain wheel, the first chain and the second chain.

As another embodiment of the application, the feeding pipe is arranged in the protective cover, and the object to be sprayed enters the protective cover by means of the conveying mechanism to be sprayed.

As another embodiment of the present application, the spray range of the spray head is adjustable.

As another embodiment of the application, the spray head comprises a connector, a first nozzle, a second nozzle and an adjusting mechanism, wherein the connector is connected with the feeding pipe, a transfer channel for conveying the coating is arranged on the connector, the transfer channel is divided into a plurality of branches by a passage, one branch is positioned at the center, and the other branches are uniformly distributed around the branch positioned at the center along the circumferential direction; the first nozzle is connected with the branch positioned at the center; the second nozzles are hinged with branch balls uniformly distributed in the circumferential direction; the adjusting mechanism is used for adjusting the included angle between the second nozzle and the first nozzle.

As another embodiment of the present application, the adjusting mechanism includes a connecting member, a connecting rod, and a driving member, wherein the connecting member is sleeved on the first nozzle and slides along the spraying direction of the first nozzle; the number of the connecting rods is multiple, one end of each connecting rod is rotatably connected with the connecting piece, and the other end of each connecting rod is rotatably connected with the second nozzle; the driving piece is used for driving the connecting piece to slide.

As another embodiment of this application, be equipped with the external screw thread on the first nozzle outer wall, the driving piece is equipped with the internal thread, driving piece and first nozzle threaded connection, the driving piece is coaxial and relative rotation with the connecting piece is connected.

As another embodiment of the application, the spray head positioned above the conveying mechanism is connected with the feeding pipe through the conveying pipe, one end of the conveying pipe is connected with the feeding pipe, the other end of the conveying pipe is in spherical hinge connection with the connector, the connectors of the spray head positioned above the conveying mechanism are sequentially connected through the transmission rods, the connector positioned at one end is connected with the driving mechanism, and the driving mechanism is used for adjusting the positions of the connectors relative to the conveying pipe.

As another embodiment of the application, the driving mechanism comprises a motor, a rotating wheel and a driving rod, wherein the motor is arranged on the feeding pipe; the rotating wheel is coaxially connected with the output end of the motor; one end of the driving rod is connected with the connector at one end above the conveying mechanism, and the other end of the driving rod is eccentrically and rotatably connected with the rotating wheel.

As another embodiment of the application, the conveying mechanism is provided with a sensor, and the sensor is used for sensing that the object to be sprayed enters the spraying range of the spray head.

The flow coating machine provided by the invention has the beneficial effects that: compared with the prior art, the flow coating machine is provided with the conveying mechanism and the feeding pipe, the feeding pipe is provided with the spray head, the feeding pipe is arranged on a conveying line of the conveying mechanism for conveying an object to be coated, and the conveying mechanism penetrates through the feeding pipe; the conveying mechanism conveys the object to be sprayed forwards, and when the object to be sprayed passes through the feeding pipe, the spray head sprays the object to be sprayed, so that automatic spraying replaces manual spraying and is more stable and automatic.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a flow coating machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a nozzle of a flow coating machine according to an embodiment of the present invention;

FIG. 3 is a top view of a spray head of a flow coating machine according to an embodiment of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic structural view of a conveying mechanism of a flow coating machine according to an embodiment of the present invention;

in the figure: 1. a feed pipe; 2. a spray head; 3. a transport mechanism; 4. a baffle plate; 5. an electric cylinder; 6. a sensor; 7. a rotating wheel; 8. a motor; 9. a transfer lever; 10. a transfer tube; 11. a connector; 12. a second nozzle; 13. a connecting rod; 14. a connecting member; 15. a drive member; 16. a drive rod; 17. a transfer channel; 18. a first nozzle; 301. a support; 302. a conveying roller; 303. a sprocket; 304. a first chain; 305. and a second chain.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2 together, the flow coating machine according to the present invention will now be described. The flow coating machine comprises a conveying mechanism 3, a feeding pipe 1, a spray head 2 and a feeding part, wherein the conveying mechanism 3 is used for conveying an object to be coated; the feeding pipe 1 is arranged on a conveying line of the conveying mechanism 3 for conveying the object to be sprayed, and the conveying mechanism 3 penetrates through the feeding pipe 1; the number of the spray heads 2 is a plurality, the spray heads 2 are connected with the feeding pipe 1, and the spray heads 2 are sprayed on the conveying mechanism 3 from the upper part, the lower part and the left and right sides of the conveying mechanism 3; the feeding part is connected with a feeding pipe 1, and the feeding part feeds the coating to the spray head 2 by means of the feeding pipe 1.

Compared with the prior art, the flow coating machine provided by the invention is provided with the conveying mechanism 3 and the feeding pipe 1, the spraying head 2 is arranged on the feeding pipe 1, the feeding pipe 1 is arranged on a conveying line of the conveying mechanism 3 for conveying an object to be coated, and the conveying mechanism 3 penetrates through the feeding pipe 1; the conveying mechanism 3 conveys the object to be sprayed forwards, and when the object to be sprayed passes through the feeding pipe 1, the spray head 2 sprays the object to be sprayed, so that automatic spraying replaces manual spraying and is more stable and automatic.

In this embodiment, the supply portion is provided with a pump and a reservoir for storing the paint, and the paint in the reservoir is supplied to the supply pipe by the pump and is finally discharged from the nozzle to perform the paint application.

As a specific embodiment of the flow coating machine provided by the present invention, please refer to fig. 5, the conveying mechanism 3 includes a support 301, a plurality of conveying rollers 302, a first chain 304, a second chain 305, and a driving motor, the number of the conveying rollers 302 is a plurality, the plurality of conveying rollers 302 are rotatably disposed on the support 301 at intervals, one end of the conveying roller 302 is coaxially connected with two chain wheels 303, and the two chain wheels 303 are disposed at intervals; the number of the first chains 304 is a plurality, the first chains 304 are meshed with the inner-side chain wheels 303 on two adjacent conveying rollers 302, and one first chain 304 is meshed with each inner-side chain wheel 303 on each conveying roller 302; the number of the second chains 305 is a plurality, the second chains 305 correspond to the space between the two first chains 304 and are meshed with the chain wheels 303 positioned on the outer sides of the two adjacent conveying rollers 302; the conveying roller 302 is driven to rotate by the drive motor via the sprocket 303 and the first and

second chains

304 and 305.

In this embodiment, the plurality of first chains 304 and the plurality of second chains 305 are provided to make the conveying mechanism 3 more stable in conveying, and the spray head 2 located below the conveying mechanism 3 sprays the coating on the object to be sprayed through the space between the two conveying rollers 302.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a feeding pipe 1 is disposed in a shield, and an object to be sprayed enters the shield by means of a conveying mechanism 3 for spraying.

In this embodiment, the shield is arranged to allow the object to be sprayed to enter the shield for spraying under the transmission of the transmission mechanism 3, so that the paint can be prevented from splashing.

In this embodiment, the two sides of the conveying mechanism 3 are provided with the electric cylinders 5, the cylinder rods of the electric cylinders 5 are connected with the baffle plates 4, the baffle plates 4 can extend onto the conveying roller 302 under the action of the electric cylinders 5, and in case of meeting the conditions that the to-be-sprayed object on the front side needs to be supplemented for spraying and the like, the baffle plates 4 can effectively block the follow-up to-be-sprayed object from advancing.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the spraying range of the nozzle 2 is adjustable. The spraying quality can be ensured by adjusting the spraying range of the spray head 2 according to different specifications of the objects to be sprayed.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 4, the nozzle 2 includes a connector 11, a first nozzle 18, a second nozzle 12, and an adjusting mechanism, the connector 11 is connected to the feeding pipe 1, the connector 11 is provided with a transfer channel 17 for transferring the coating, the transfer channel 17 is divided into a plurality of branches by a passage, one of the branches is located at the center, and the other branches are uniformly distributed around the branch located at the center along the circumferential direction; the first nozzle 18 is connected to a branch located at the center; the second nozzle 12 is hinged with branch balls uniformly distributed in the circumferential direction; the adjusting mechanism is used for adjusting the included angle between the second nozzle 12 and the first nozzle 18.

In the embodiment, the two branches positioned on the outer side rotate within a certain range, and the inlets of the branches are not shielded. The spraying range can be adjusted by adjusting the included angle between the second nozzle 12 and the first nozzle 18 through the adjusting mechanism, so that the spraying is more uniform.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the adjusting mechanism includes a connecting member 14, a connecting rod 13, and a driving member 15, wherein the connecting member 14 is sleeved on the first nozzle 18 and slides along the spraying direction of the first nozzle 18; a plurality of connecting rods 13 are arranged, one end of each connecting rod 13 is rotatably connected with the connecting piece 14, and the other end of each connecting rod 13 is rotatably connected with the second nozzle 12; the driving member 15 is used for driving the connecting member 14 to slide.

In this embodiment, because of connecting rod 13 one end and connecting piece 14 rotate to be connected, the other end rotates with second nozzle 12 to be connected, reciprocates through driving piece 15 drive connecting piece 14, drives all second nozzles 12 synchronous rotation, adjusts the spray regime to can carry out different regulations to the piece of waiting to spray of difference, prevent that spraying thickness is inhomogeneous.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 4, an external thread is disposed on an outer wall of the first nozzle 18, an internal thread is disposed on the driving member 15, the driving member 15 is in threaded connection with the first nozzle 18, and the driving member 15 is coaxially and relatively rotatably connected with the connecting member 14.

In this embodiment, since the driving member 15 is rotatably connected to the connecting member 14, the rotation of the driving member 15 is not limited by the connecting member 14, and the driving member 15 moves to drive the connecting member 14 to ascend.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the nozzle 2 located above the transmission mechanism 3 is connected to the feeding pipe 1 through the transmission pipe 10, one end of the transmission pipe 10 is connected to the feeding pipe 1, the other end of the transmission pipe is ball-hinged to the connector 11, the connectors 11 of the nozzle 2 located above the transmission mechanism 3 are sequentially connected through the transmission rod 9, the connector 11 located at one end is connected to the driving mechanism, and the driving mechanism is used for adjusting the position of the connector 11 relative to the transmission pipe 10.

In this embodiment, when waiting to spray the thing and not getting into the top shower nozzle 2 under yet, can deflect connector 11 towards the direction of waiting to spray the thing to treat the front side of spraying the thing and carry out the spraying, when waiting to spray the thing and begin to get into whole below, with shower nozzle 2 alignment, thereby can spray the side of going up, when waiting to spray the thing and leave, can deflect connector 11, towards the trailing flank spraying of waiting to spray the thing. The spraying of the front side and the back side of the object to be sprayed is more comprehensive, and the spraying quality is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the driving mechanism includes a motor 8, a rotating wheel 7, and a driving rod 16, the motor 8 is disposed on the feeding pipe 1; the rotating wheel 7 is coaxially connected with the output end of the motor 8; one end of the driving rod 16 is connected with the connector 11 at the upper part of the transmission mechanism 3, and the other end is eccentrically and rotatably connected with the rotating wheel 7.

In this embodiment, the motor 8 drives the rotating wheel 7 to rotate, and since the driving rod 16 is eccentrically and rotatably connected to the rotating wheel 7, the rotating wheel 7 rotates to drive the driving rod 16 to drive the connecting head 11 to rotate.

Referring to fig. 1 to 4, as a specific implementation manner of the embodiment of the present invention, a sensor 6 is disposed on the conveying mechanism 3, and the sensor 6 is used for sensing that an object to be sprayed enters a spraying range of the spraying head 2.

In this embodiment, a controller is provided, the controller is electrically connected with the sensor 6, and the sensor 6 senses that the object to be sprayed can be controlled to be sprayed after entering the spraying range of the spray head 2.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Flow coating machine, characterized by, including:

the conveying mechanism is used for conveying an object to be sprayed;

the conveying mechanism is arranged on a conveying line for conveying the objects to be sprayed, and penetrates through the conveying pipe;

a plurality of spray heads are connected with the feeding pipe, and the plurality of spray heads are sprayed on the objects to be sprayed on the conveying mechanism from the upper part, the lower part and the left and right sides of the conveying mechanism; and

and the feeding part is connected with the feeding pipe, and the feeding part conveys the coating to the spray head by means of the feeding pipe.

2. The flow coater of claim 1, wherein the conveyor mechanism comprises:

a support;

the conveying rollers are arranged on the support in a rotating mode at intervals, one end of each conveying roller is coaxially connected with two chain wheels, and the two chain wheels are arranged at intervals;

the first chains are a plurality of in number, the first chains are meshed with the chain wheels positioned on the inner sides of the two adjacent conveying rollers, and one chain wheel positioned on the inner side of each conveying roller is meshed with the first chain;

the second chains are in a plurality of numbers, correspond to the space between the two first chains and are meshed with the chain wheels positioned on the outer sides of the two adjacent conveying rollers;

and the driving motor drives the conveying roller to rotate by means of the chain wheel, the first chain and the second chain.

3. A flow coater according to claim 1, further comprising a hood, wherein the feed tube is disposed within the hood, and wherein the material to be sprayed enters the hood by means of the conveyor mechanism for spraying.

4. The flow coater of claim 1, wherein the spray range of the spray head is adjustable.

5. The flow coater of claim 4, wherein the spray head comprises:

the connector is connected with the feeding pipe, a transfer channel for conveying the coating is arranged on the connector, the transfer channel is divided into a plurality of branches by a passage, one branch is positioned at the center, and other branches are uniformly distributed around the branch positioned at the center along the circumferential direction;

a first nozzle connected to the branch at the center;

the second nozzle is hinged with the branch balls uniformly distributed in the circumferential direction;

and the adjusting mechanism is used for adjusting the included angle between the second nozzle and the first nozzle.

6. The flow coater of claim 5, wherein the adjustment mechanism comprises:

the connecting piece is sleeved on the first nozzle and slides along the spraying direction of the first nozzle;

the connecting rods are a plurality of in number, one ends of the connecting rods are rotatably connected with the connecting pieces, and the other ends of the connecting rods are respectively rotatably connected with the second nozzles;

and the driving piece is used for driving the connecting piece to slide.

7. A flow coater according to claim 6, wherein the outer wall of the first nozzle is provided with external threads and the drive member is provided with internal threads, the drive member being in threaded connection with the first nozzle, the drive member being coaxial with and rotatable relative to the connecting member.

8. A flow coating machine according to claim 5, wherein the spray head located above the conveying mechanism is connected with the feed pipe through a conveying pipe, one end of the conveying pipe is connected with the feed pipe, the other end of the conveying pipe is in spherical hinge connection with the connector, the connectors of the spray head located above the conveying mechanism are sequentially connected through a transmission rod, the connector located at one end is connected with a driving mechanism, and the driving mechanism is used for adjusting the positions of the connectors relative to the conveying pipe.

9. The flow coater of claim 8, wherein the drive mechanism comprises:

the motor is arranged on the feeding pipe;

the rotating wheel is coaxially connected with the output end of the motor;

and one end of the driving rod is connected with one end above the conveying mechanism and the connector, and the other end of the driving rod is connected with the rotating wheel in an eccentric rotating manner.

10. A flow coater according to claim 1, wherein the conveyor mechanism is provided with a sensor for sensing the entry of the material to be coated into the coating zone of the head.