CN111361082B

CN111361082B - Automatic spray gun replacing device for manufacturing polyurethane foaming particles

Info

Publication number: CN111361082B
Application number: CN202010392148.XA
Authority: CN
Inventors: 杨长文; 张双成; 康立中; 吕南; 杨慧
Original assignee: Liaoning Jinjiaxia Technology Co ltd
Current assignee: Liaoning Jinjiaxia Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2022-03-04
Anticipated expiration: 2040-05-11
Also published as: CN111361082A

Abstract

The invention discloses an automatic spray gun replacing device for manufacturing polyurethane foaming particles, which comprises a machine table, wherein an inverted L-shaped support plate is vertically and fixedly connected to the rear side of the top of the machine table, and a through hole is vertically formed in the middle rear part of the top of the inverted L-shaped support plate; a PLC controller is fixedly arranged in the middle of the front side of the machine table; the middle of the left side of the machine table is fixedly provided with a magnetic block, a tool box is arranged on the left side of the magnetic block, and the top of the tool box is fixedly provided with an operating table. According to the invention, the spray guns are assembled into a vertical ladder-shaped arrangement, and the work of automatically changing the spray guns is completed through the switch of the electromagnetic valve, so that the spray gun changing time is shortened to be within 5 seconds from original ten minutes; the yield is improved, and the quality of the product is ensured; the energy consumption is reduced (in the same time, the yield is improved and the energy consumption is reduced).

Description

Automatic spray gun replacing device for manufacturing polyurethane foaming particles

Technical Field

The invention relates to the technical field of polyurethane foam particle manufacturing, in particular to an automatic spray gun replacing device for manufacturing polyurethane foam particles.

Background

At present, in the process of manufacturing polyurethane foam, a spray gun of a foaming system is blocked every 10 minutes, the yield and the quality of foaming particles are seriously influenced, the time for replacing the gun head once is about 10 minutes, and a large amount of energy and working time are wasted.

Disclosure of Invention

The invention aims to provide an automatic spray gun replacing device for manufacturing polyurethane foaming particles, which solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic spray gun replacing device for manufacturing polyurethane foaming particles comprises a machine table, wherein an inverted L-shaped support plate is vertically and fixedly connected to the rear side of the top of the machine table, and a through hole is vertically formed in the middle of the top of the inverted L-shaped support plate at a position which is deviated from the rear position; a PLC controller is fixedly arranged in the middle of the front side of the machine table; a magnetic block is fixedly arranged in the middle of the left side of the machine table, a tool box is arranged on the left side of the magnetic block, and an operating table is fixedly arranged at the top of the tool box;

the left side and the right side of the top of the inverted L-shaped support plate are horizontally and fixedly provided with bearings, a threaded screw rod is fixedly inserted into a middle shaft of each bearing, the right end of the threaded screw rod is fixedly connected with a forward and reverse rotation motor, and the forward and reverse rotation motor is fixedly connected with the right side of the top of the inverted L-shaped support plate;

an air cylinder is fixedly installed at the middle position of the bottom of the moving block downwards, the lower end of a piston rod of the air cylinder is fixedly connected with the middle position of the top of the conveying pipe, a plurality of equidistantly distributed spraying pipes are vertically and fixedly communicated with the bottom of the conveying pipe, fastening threads are formed in the outer wall of the lower end of each spraying pipe, and an electromagnetic valve is fixedly communicated and installed in the middle of each spraying pipe; a spray gun is fastened at the lower end of the spray pipe through threads;

the utility model discloses a material conveying device, including the type of falling L extension board, the type of falling L extension board top right side fixed mounting has the booster pump, and the defeated material hose head end of spring type is fixed to the delivery port and the booster pump, and the defeated material hose tail end of spring type and the fixed intercommunication of sealing joint head end, the fixed intercommunication of sealing joint tail end and conveying pipeline right-hand member.

As a preferred embodiment of the invention, universal wheels are fixedly arranged at four corners of the bottom of the tool box, and a storage through cavity is vertically formed in the upper part of the tool box.

As a preferred embodiment of the invention, a handle is fixedly arranged at the upper part of the left side of the tool box, an iron sheet is fixedly embedded in the middle of the right side of the tool box, and the iron sheet and the magnetic block are aligned, adsorbed and attached.

In a preferred embodiment of the present invention, the inverted L-shaped support plate is movably sleeved with a moving block, the upper portion of the moving block is provided with a rectangular through hole and a threaded hole, and the threaded hole is screwed with the threaded lead screw to penetrate through the threaded lead screw.

In a preferred embodiment of the present invention, the inner wall of the upper port of the spray gun is provided with an internal thread adapted to the fastening thread, a sealing rubber pad is placed in the upper port of the spray gun, and the outer wall of the upper port of the spray gun is provided with a hexagonal structure.

As a preferred embodiment of the present invention, the PLC controller is electrically connected to the plurality of electromagnetic valves, the positive and negative rotation motor, and the booster pump.

As a preferred embodiment of the present invention, the material conveying pipe, the material spraying pipe and the spray gun are all made of aluminum alloy.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the PLC only controls one electromagnetic valve of the plurality of spray guns to be opened and other valves to be closed each time, when the spray guns need to be replaced, the PLC controls the electromagnetic valve to be opened, the electromagnetic valves on other spray guns are all closed, and the spray guns needing to be replaced automatically.

2. According to the invention, the spray guns are assembled into a vertical ladder-shaped arrangement, and the work of automatically changing the spray guns is completed through the switch of the electromagnetic valve, so that the spray gun changing time is shortened to be within 5 seconds from original ten minutes; the yield is improved, and the quality of the product is ensured; the energy consumption is reduced (in the same time, the yield is improved and the energy consumption is reduced).

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of the whole front view of an automatic spray gun replacing device for manufacturing polyurethane foam particles according to the present invention;

FIG. 2 is a schematic structural diagram of an automatic spray gun replacing device for manufacturing polyurethane foam particles according to the present invention, wherein fastening threads are distributed on a spray pipe;

FIG. 3 is a schematic cross-sectional front view of a spray gun of the automatic spray gun replacing device for manufacturing polyurethane foam particles according to the present invention;

FIG. 4 is a schematic top view of the upper end of the spray gun of the automatic spray gun changing device for manufacturing polyurethane foam particles according to the present invention;

FIG. 5 is a schematic side view of the structure of the automatic spray gun changing device for manufacturing polyurethane foam particles according to the present invention, in which the through holes are distributed on the inverted L-shaped support plate;

FIG. 6 is a schematic top view of the arrangement of the openings of the automatic spray gun for changing polyurethane foam particles on the inverted L-shaped support plate according to the present invention.

In the figure: the device comprises a machine table 1, a magnetic block 2, an iron sheet 3, a universal wheel 4, a tool box 5, a storage through cavity 6, a handle 7, an operation table 8, a fastening thread 9, a material spraying pipe 10, an inverted L-shaped support plate 11, a material conveying pipe 12, a bearing 13, a threaded lead screw 14, a rectangular through hole 15, a moving block 16, a threaded hole 17, an internal thread 18, a cylinder 19, a forward and reverse rotation motor 20, a booster pump 21, a spring type material conveying hose 22, a sealing joint 23, a piston rod 24, an electromagnetic valve 25, a PLC 26, a spray gun 27, a through hole 28 and a sealing rubber pad 29.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic spray gun replacing device for manufacturing polyurethane foaming particles comprises a machine table 1, wherein an inverted L-shaped support plate 11 is vertically and fixedly connected to the rear side of the top of the machine table 1, and a through hole 28 is vertically formed in the rear position of the middle of the top of the inverted L-shaped support plate 11; a PLC (programmable logic controller) 26 is fixedly arranged in the middle of the front side of the machine table 1; a magnetic block 2 is fixedly arranged in the middle of the left side of the machine table 1, a tool box 5 is arranged on the left side of the magnetic block 2, and an operating table 8 is fixedly arranged at the top of the tool box 5;

the left side and the right side of the top of the inverted L-shaped support plate 11 are both horizontally and fixedly provided with bearings 13, a threaded screw rod 14 is fixedly inserted into a middle shaft of each bearing 13, the right end of each threaded screw rod 14 is fixedly connected with a forward and reverse rotation motor 20, and the forward and reverse rotation motor 20 is fixedly connected with the right side of the top of the inverted L-shaped support plate 11;

an air cylinder 19 is fixedly installed downwards at the middle position of the bottom of a moving block 16, the lower end of a piston rod 24 of the air cylinder 19 is fixedly connected with the middle position of the top of a material conveying pipe 12, a plurality of spray guns 27 are driven to descend through the air cylinder 19 through the piston rod 24 according to actual needs of replacement operation, the distance from the spray guns 27 to the upper part of a machine table 1 is adjusted, a plurality of material spraying pipes 10 which are distributed at equal intervals are vertically and fixedly communicated with the bottom of the material conveying pipe 12, fastening threads 9 are formed in the outer wall of the lower end of each material spraying pipe 10, and an electromagnetic valve 25 is fixedly communicated and installed in the middle of each material spraying pipe 10; the spray gun 27 is fastened at the lower end of the material spraying pipe 10 through threads, the PLC 26 only controls one electromagnetic valve 25 of the spray guns 27 to be opened and other valves to be closed each time, when the spray gun 27 needs to be replaced, the PLC 26 controls the electromagnetic valve 25 which is to work to be opened and the electromagnetic valves 25 on the other spray guns 27 to be closed, and the spray gun 27 which needs to work is automatically replaced;

inverted L type extension board 11 top right side fixed mounting has booster pump 21, booster pump 21's material conveying mouth and the fixed intercommunication of spring type conveying hose 22 head end, the fixed intercommunication of spring type conveying hose 22 tail end and sealing joint 23 head end, the fixed intercommunication of sealing joint 23 tail end and conveying pipeline 12 right-hand member, this sealing joint 23 bit screw thread is rotatory to be twisted and to close fixed assurance later stage and can demolish change spring type conveying hose 22 or conveying pipeline 12 alone, and the adjustment of conveying pipeline 12 positions can be followed to spring type conveying hose 22, adjust length.

In this embodiment (please refer to fig. 1), the universal wheels 4 are fixedly mounted at four corners of the bottom of the tool box 5, the storage through cavity 6 is vertically formed in the middle upper portion of the tool box 5, and the storage through cavity 6 can facilitate an operator to take tools from the front side and the rear side of the tool box 5, so that the tool box is more practical.

In this embodiment (please refer to fig. 1), a handle 7 is fixedly installed on the upper portion of the left side of the tool box 5, an iron sheet 3 is fixedly embedded in the middle of the right side of the tool box 5, the iron sheet 3 is aligned with the magnetic block 2 to be adsorbed and attached, and when the iron sheet 3 arranged on the tool box 5 moves to the left side of the machine table 1 each time, the magnetic block 2 on the left side of the machine table 1 can be adsorbed through the iron sheet 3, so that the stability of the tool box 5 is ensured.

In this embodiment (see fig. 1), the inverted L-shaped support plate 11 is movably sleeved with a moving block 16, the upper portion of the moving block 16 is provided with a rectangular through hole 15 and a threaded hole 17, the threaded hole 17 is screwed with the threaded lead screw 14 to penetrate through, the rectangular through hole 15 on the moving block 16 is movably linked with the limiting section on the inverted L-shaped support plate 11 to ensure the stability of the moving block, and the threaded hole 17 is driven by the threaded lead screw 14 to rotate in the forward and reverse directions to reciprocate, so as to adjust the position of each spray gun 27 and ensure that the spray gun 27 to be replaced is aligned on the machine table 1.

In this embodiment (please refer to fig. 3), the inner wall of the upper port of the spray gun 27 is provided with an internal thread 18 matched with the fastening thread 9, a sealing rubber pad 29 is put into the upper port of the spray gun 27, the outer wall of the upper port of the spray gun 27 is provided with a hexagonal structure, and the outer wall of the spray gun 27 with the hexagonal structure facilitates later use of a wrench to disassemble and assemble the spray gun 27, which is convenient and fast.

In this embodiment, the PLC controller 26 is electrically connected to the plurality of electromagnetic valves 25, the forward/reverse rotation motor 20, and the booster pump 21, and the PLC automation control technology is well known in the art, and only controls one electromagnetic valve 25 of the plurality of spray guns 27 to be opened and the other valves to be closed each time, and when the spray gun 27 needs to be replaced, the PLC controller 26 controls the electromagnetic valve 25 to be opened, that is, the electromagnetic valves 25 on the other spray guns 27 are all closed, so as to automatically replace the spray gun 27 that needs to be operated.

In this embodiment, the material conveying pipe 12, the material spraying pipe 10 and the spray gun 27 are all made of aluminum alloy, so that the strength is high, and the service life is longer.

When the automatic spray gun replacing device for manufacturing polyurethane foaming particles is used, it is to be noted that the automatic spray gun replacing device for manufacturing polyurethane foaming particles comprises a machine table 1, a magnetic block 2, an iron sheet 3, a universal wheel 4, a tool box 5, a storage through cavity 6, a handle 7, an operation table 8, a fastening thread 9, a spraying pipe 10, an inverted L-shaped support plate 11, a conveying pipe 12, a bearing 13, a threaded screw rod 14, a rectangular through hole 15, a moving block 16, a threaded hole 17, an internal thread 18, a cylinder 19, a forward and reverse rotating motor 20, a booster pump 21, a spring-type conveying hose 22, a sealing joint 23, a piston rod 24, an electromagnetic valve 25, a PLC (programmable logic controller) 26,

spray guns

27, 28 and a sealing rubber pad 29, wherein the parts are all universal standard parts or parts known by a person skilled in the art, the structure and principle are known to the skilled person through technical manuals or through routine experimentation.

When the device is used, the cylinder 19 is fixedly installed downwards at the middle position of the bottom of the moving block 16, the lower end of a piston rod 24 of the cylinder 19 is fixedly connected with the middle position of the top of the material conveying pipe 12, the plurality of spray guns 27 are driven to descend through the piston rod 24 by the cylinder 19 according to the actual need of replacement operation, the distance from the spray guns 27 to the upper part of the machine table 1 is adjusted, the bottom of the material conveying pipe 12 is vertically and fixedly communicated with a plurality of material spraying pipes 10 which are distributed at equal intervals, fastening threads 9 are formed in the outer wall of the lower end of each material spraying pipe 10, and an electromagnetic valve 25 is fixedly communicated and installed in the middle of each material spraying pipe 10; the spray gun 27 is fastened to the lower end of the spray pipe 10 through threads, the PLC 26 controls one electromagnetic valve 25 of the spray guns 27 to be opened and other valves to be closed each time, when the spray gun 27 needs to be replaced, the PLC 26 controls the electromagnetic valve 25 to be opened, namely, the operating electromagnetic valve 25 is closed, the electromagnetic valves 25 on the other spray guns 27 are closed, the spray gun 27 needing to be operated is automatically replaced, the positive and negative motor 20 operates to drive the threaded screw 14 to be matched with the threaded hole 17 of the moving block 16 (threaded screwing) so as to drive the feed pipe 12 to move and drive the spray gun 27 to be operated to move to an appropriate position, the outer wall of the upper end of the spray gun 27 is opened to be a hexagonal structure, the outer wall of the spray gun 27 of the hexagonal structure is convenient and quick to disassemble and assemble the spray gun 27 by using a wrench in the later period, and along with the continuous replacement of the spray gun 27, the spray gun 27 moves to the operation table 8 of the tool box 5 under the translation of the feed pipe 12, the operator can take the tool from the tool box 5 to remove and replace the spray gun 27 connected with the lower end of the spray pipe 10.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a make polyurethane foaming granule with automatic change spray gun device, includes board (1), its characterized in that: an inverted L-shaped support plate (11) is vertically and fixedly connected to the rear side of the top of the machine table (1), and a through hole (28) is vertically formed in the rear position of the middle of the top of the inverted L-shaped support plate (11); a PLC (programmable logic controller) controller (26) is fixedly arranged in the middle of the front side of the machine table (1); the middle of the left side of the machine table (1) is fixedly provided with a magnetic block (2), a tool box (5) is arranged on the left side of the magnetic block (2), and the top of the tool box (5) is fixedly provided with an operating table (8);

the left side and the right side of the top of the inverted L-shaped support plate (11) are horizontally and fixedly provided with bearings (13), a threaded screw rod (14) is fixedly inserted into a middle shaft of the two bearings (13), the right end of the threaded screw rod (14) is connected with a forward and reverse rotation motor (20), and the forward and reverse rotation motor (20) is fixedly connected with the right side of the top of the inverted L-shaped support plate (11);

an air cylinder (19) is fixedly installed at the bottom middle position of the moving block (16) downwards in a numerical value mode, the lower end of a piston rod (24) of the air cylinder (19) is fixedly connected with the middle position of the top of the material conveying pipe (12), a plurality of material spraying pipes (10) which are distributed at equal intervals are vertically and fixedly communicated with the bottom of the material conveying pipe (12), fastening threads (9) are formed in the outer wall of the lower end of each material spraying pipe (10), and an electromagnetic valve (25) is fixedly communicated and installed in the middle of each material spraying pipe (10); a spray gun (27) is fastened at the lower end of the spray pipe (10) through threads;

inverted L type extension board (11) top right side fixed mounting has booster pump (21), and the defeated material mouth and the fixed intercommunication of spring type defeated material hose (22) head end of booster pump (21), and the fixed intercommunication of spring type defeated material hose (22) tail end and sealing joint (23) head end, sealing joint (23) tail end and defeated material pipe (12) right-hand member are fixed to be communicated, the equal fixed mounting in toolbox (5) bottom four corners department has universal wheel (4), and the vertical storing of having seted up in toolbox (5) upper portion leads to chamber (6), toolbox (5) left side upper portion fixed mounting has handle (7), and toolbox (5) right side middle part is fixed to be embedded into has iron sheet (3), and iron sheet (3) and magnetic path (2) align to adsorb the laminating.

2. The automatic change spray gun device for manufacturing polyurethane foam particles as claimed in claim 1, wherein: the inverted L-shaped support plate (11) is movably sleeved with a moving block (16), a rectangular through hole (15) and a threaded hole (17) are formed in the upper portion of the moving block (16), and the threaded hole (17) is screwed with the threaded lead screw (14) in a penetrating mode.

3. The automatic change spray gun device for manufacturing polyurethane foam particles as claimed in claim 1, wherein: the inner wall of the upper end opening of the spray gun (27) is provided with an internal thread (18) matched with the fastening thread (9), a sealing rubber pad (29) is thrown into the upper end opening of the spray gun (27), and the outer wall of the upper end of the spray gun (27) is provided with a hexagonal corner structure.

4. The automatic change spray gun device for manufacturing polyurethane foam particles as claimed in claim 1, wherein: the PLC (26) is electrically connected with the electromagnetic valves (25), the positive and negative rotating motor (20) and the booster pump (21).

5. The automatic change spray gun device for manufacturing polyurethane foam particles as claimed in claim 1, wherein: the material conveying pipe (12), the material spraying pipe (10) and the spray gun (27) are all made of aluminum alloy materials.