Aluminum profile surface treatment device

Abstract

The invention provides an aluminum profile surface treatment device, and belongs to the technical field of aluminum profile machining. The invention provides an aluminum profile surface treatment device. The aluminum profile surface treatment device comprises a supporting vertical frame, a supporting circular table and a spraying rotary table. A powder spraying mechanism is arranged on the upper portion of the supporting vertical frame. The supporting circular table is arranged on the inner side of the supporting vertical frame; the spraying rotary table is rotationally arranged on the supporting circular table. The multiple sets of clamping mechanisms are circumferentially arranged on the spraying rotary table. Wherein each group of clamping mechanism comprises a first clamping arm and a second clamping arm; the first clamping arm is installed on the spraying rotary table and used for clamping one end of a workpiece. The second clamping arm is mounted on the spraying rotary table, is opposite to the first clamping arm and is used for clamping the other end of the workpiece; the multiple clamping mechanisms are arranged on the spraying rotary table, the powder spraying mechanism can spray multiple aluminum profiles at the same time, and therefore the purpose of batch spraying is achieved, and the spraying efficiency is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of aluminum profile processing, and more specifically, relates to a surface treatment device for aluminum profiles. Background Art

[0002] Aluminum profiles (also known as aluminum alloy profiles) are materials with various cross-sectional shapes made from aluminum rods through high-temperature hot melting and extrusion molding (using special molds). Their production processes mainly include melting and casting, extrusion, and surface treatment (such as oxidation, spraying, etc.). When performing surface treatment on aluminum profiles, powder spraying uses a powder spraying device to spray powder coatings onto the surface of workpieces. Under the action of static electricity, the powder will be evenly adsorbed on the surface of the workpiece, forming a powdery coating; the powdery coating undergoes high-temperature baking, leveling, and curing to become a final coating with various effects; the spraying effect of powder spraying is superior to that of spray painting in terms of mechanical strength, adhesion, corrosion resistance, and aging resistance, but the cost is higher than that of spray painting.

[0003] Currently, there are some devices on the market for powder spraying aluminum profiles. For example, in the Chinese invention patent with the application number 202410428171.8, by starting the air extraction pump inside the air extraction box, the air extraction pump extracts the electrostatic powder inside the powder box, and then transports it to the connection disk through the output end, and then transports it to the inside of the connection pipe through the connection disk. The electrostatic powder is transported to the connection block through the connection pipe and sprayed out from the powder spray head to perform spraying treatment on the surface of the aluminum material. At this time, the staff starts the rotation motor, and the rotation motor drives the clamping box to rotate, so that it can drive the aluminum material to rotate synchronously for uniform spraying. At the same time, the staff starts the connection cylinder, and the output end of the connection cylinder drives the connection block to move upward, so that the connection block drives the fixed ring to move upward, thereby driving the powder spray head to move up and down for spraying on the surface of the aluminum profile.

[0004] When the above device performs surface treatment on aluminum profiles, it can only achieve single treatment. During periods when production tasks are relatively heavy, it cannot meet the production task requirements. Moreover, when clamping the aluminum profile using the clamping method of the above device, the aluminum profile is likely to fall off during the spraying process. In addition, in order to melt, level, and cure the powder coating to form a uniform and firm coating, it is necessary to heat it after powder spraying to make it melt, level, and cure. Based on this, the applicant applies for an invention of a surface treatment device for aluminum profiles to meet the current needs of people. Summary of the Invention

[0005] The purpose of the present invention is to provide a surface treatment device for aluminum profiles to solve the technical problems existing in the prior art that the current device can only achieve single treatment when performing surface treatment on aluminum profiles, cannot meet the production task requirements during periods when production tasks are relatively heavy, the aluminum profile is likely to fall off during the spraying process, and it cannot be heated as soon as possible after spraying.

[0006] To achieve the above object, the technical solution adopted by the present invention is: to provide a surface treatment device for aluminum profiles, including a supporting vertical frame, a supporting round table, a spraying turntable and several groups of clamping mechanisms; a powder spraying mechanism is arranged on the upper part of the supporting vertical frame; the supporting round table is placed inside the supporting vertical frame; the spraying turntable is rotatably arranged on the supporting round table; several groups of clamping mechanisms are arranged in a circumferential arrangement on the spraying turntable; wherein, each group of the clamping mechanisms includes a first clamping arm and a second clamping arm; the first clamping arm is installed on the spraying turntable and is used for clamping one end of the workpiece; the second clamping arm is installed on the spraying turntable and is arranged opposite to the first clamping arm and is used for clamping the other end of the workpiece; the spraying turntable includes an upper mounting table, a lower mounting table and a connecting ring, the upper end of the connecting ring is connected to the upper mounting table, the lower end of the connecting ring is connected to the lower mounting table, the first clamping arm is arranged on the upper mounting table, and the second clamping arm is arranged on the lower mounting table, so that the workpiece is located between the upper mounting table and the lower mounting table.

[0007] Combined with the above technical solution, in a possible implementation manner, a heating tube group is arranged on the periphery of the connecting ring, the heating tube group includes a supporting upper seat, a supporting lower seat and several electric heating tubes, two ends of the electric heating tubes are respectively installed on the supporting upper seat and the supporting lower seat, the supporting upper seat is arranged on the upper mounting table, and the supporting lower seat is arranged on the lower mounting table.

[0008] Combined with the above technical solution, in a possible implementation manner, four groups of folding door mechanisms are arranged on the periphery of the heating tube group, each group of the folding door mechanisms includes a supporting door frame, a rolling shutter door and a reel, the supporting door frame is arranged on the spraying turntable, the reel is arranged at the top of the supporting door frame and is connected to the rolling shutter door, the rolling shutter door is limited in the guiding grooves on both sides of the supporting door frame, and when the reel starts to rotate, it can drive the rolling shutter door to rise or fall along the guiding grooves.

[0009] Combined with the above technical solution, in a possible implementation manner, a first motor is arranged inside the supporting round table, the output end of the first motor is connected with a transmission shaft, the transmission shaft passes through the supporting round table and extends into the connecting ring and is connected to the upper mounting table, and when the output end of the first motor rotates, it can drive the rotation of the spraying turntable.

[0010] Combined with the above technical solution, in a possible implementation, the drive shaft includes a friction plate, a forward rotation spring, and a reverse rotation spring. The forward rotation spring is sleeved outside the reverse rotation spring, and both the forward rotation spring and the reverse rotation spring are connected to the output end of the first motor at one end and to the friction plate at the other end. In the working state, the forward rotation spring is in a compressed state, while the reverse rotation spring is in a stretched state. The friction plate abuts against the upper mounting table under the cooperation of the forward rotation spring and the reverse rotation spring to transmit torque through friction and drive the upper mounting table to rotate;

[0011] A telescopic member is provided on the friction plate. The output end of the telescopic member is connected to a connecting block, and the connecting block is connected to the ends of the forward rotation spring and the reverse rotation spring. When the output end of the telescopic member expands and contracts, the reverse rotation spring can be driven to expand and contract through the connecting block.

[0012] Combined with the above technical solution, in a possible implementation, the first clamping arm includes a first cylinder, a first support frame, a first lifting plate, three lifting columns, and three first grippers. The first cylinder is rotatably mounted on the upper mounting table through a rotating table. The first support frame is mounted on the first cylinder. The output end of the first cylinder penetrates through the first support frame and is connected to one side of the first lifting plate. The other side of the first lifting plate is connected to the three lifting columns. The three lifting columns penetrate through the lower end of the first support frame and are each hinged to a first connecting plate. There are three hinged parts at the lower end of the first support frame. The middle parts of the three first grippers are respectively hinged to the three hinged parts. The other end of the first connecting plate is hinged to the end of the first gripper. When the output end of the first cylinder expands and contracts, the first gripper can be driven to move;

[0013] One side of the first hydraulic cylinder is hinged to an arc-shaped plate group. The arc-shaped plate group includes a main plate and two side plates. The main plate is hinged to the first hydraulic cylinder. Two telescopic grooves are formed on both sides of the main plate, and the two side plates are respectively limited in the two telescopic grooves.

[0014] Combined with the above technical solution, in a possible implementation, the second clamping arm includes a second motor, a second support frame, a second gripper, and a third gripper. The second motor is arranged on the lower mounting table. The second support frame is arranged on the output end of the second motor. A cross bar is provided in the second support frame, and the second gripper and the third gripper are mounted on the cross bar. A tension spring is sleeved on the cross bar, and its two ends are respectively connected to the second gripper and the third gripper;

[0015] A turntable is also rotatably mounted in the second support frame. Two limiting grooves are provided on the turntable, and the limiting columns at the ends of the second gripper and the third gripper are respectively limited in the two limiting grooves.

[0016] Combined with the above technical solution, in a possible implementation manner, the support vertical frame includes two groups of support columns and two first hydraulic cylinders. One of the first hydraulic cylinders is arranged between each group of support columns. An installation box body is arranged to be movable up and down between the two groups of support columns. The output ends of the two first hydraulic cylinders are connected to the installation box body.

[0017] Combined with the above technical solution, in a possible implementation manner, the powder spraying mechanism includes a powder storage tank, an air compressor, and a spray gun. The powder storage tank is installed inside the installation box body. The air compressor is installed on the powder storage tank. Two conveying pipes extend from the powder storage tank. The two conveying pipes are both detachably installed with the spray gun;

[0018] A clamping ring is arranged at the end of the spray gun. A rubber body is attached to one side of the clamping ring. A clamping sleeve is arranged on the side of the clamping ring of the spray gun. Threads that are adapted to each other are arranged inside the clamping sleeve and at the end of the conveying pipe. The clamping sleeve is threadedly connected to the end of the conveying pipe.

[0019] Combined with the above technical solution, in a possible implementation manner, there is an accommodation space between the support frustum and the spraying turntable. Two semi-circular drawers are placed inside the accommodation space. A plurality of through holes are formed in the lower installation platform of the spraying turntable for collecting the fallen powder into the semi-circular drawers.

[0020] The beneficial effect of an aluminum profile surface treatment device provided by the present invention is as follows: Compared with the prior art, in the aluminum profile surface treatment device provided by the present invention, a plurality of clamping mechanisms are arranged on the spraying turntable, which can enable the powder spraying mechanism to spray a plurality of workpieces simultaneously, thereby achieving the purpose of batch spraying and improving the spraying efficiency; and the first clamping arm is responsible for clamping the upper end of the workpiece, while the second clamping arm clamps the lower end of the workpiece. When spraying, the upper and lower ends clamp the workpiece simultaneously to ensure that the workpiece will not fall during the rotation process. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a structural schematic diagram of an aluminum profile surface treatment device provided by an embodiment of the present invention;

[0023] Figure 2Schematic structural diagram of a surface treatment device for aluminum profiles provided by an embodiment of the present invention after removing the arc plate group;

[0024] Figure 3 Schematic structural diagram of another perspective of a surface treatment device for aluminum profiles provided by an embodiment of the present invention after removing the arc plate group;

[0025] Figure 4 Schematic structural diagram of a heating tube group in a surface treatment device for aluminum profiles provided by an embodiment of the present invention when installed on a spraying turntable;

[0026] Figure 5 Schematic structural diagram of a heating tube group in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0027] Figure 6 Exploded view of a spraying turntable and a steering column in a surface treatment device for aluminum profiles provided by an embodiment of the present invention when connected;

[0028] Figure 7 Schematic structural diagram of a positive rotation spring sleeved on a reverse rotation spring in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0029] Figure 8 Exploded view of a positive rotation spring, a reverse rotation spring and a friction plate in a surface treatment device for aluminum profiles provided by an embodiment of the present invention when connected;

[0030] Figure 9 Schematic structural diagram of a first clamping arm in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0031] Figure 10 Schematic structural diagram of another perspective of a first clamping arm in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0032] Figure 11 Schematic structural diagram of a second clamping arm in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0033] Figure 12 Cross-sectional view of a second clamping arm in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0034] Figure 13 Schematic structural diagram of a powder spraying mechanism in a surface treatment device for aluminum profiles provided by an embodiment of the present invention;

[0035] Figure 14 Exploded view of a conveying pipeline and a spray gun in a surface treatment device for aluminum profiles provided by an embodiment of the present invention when connected;

[0036] Figure 15Schematic diagram of the structure of the arc plate group of an aluminum profile surface treatment device provided by an embodiment of the present invention;

[0037] Figure 16 Cross-sectional view of the arc plate group of an aluminum profile surface treatment device provided by an embodiment of the present invention;

[0038] Figure 17 Schematic diagram of the structure of the folding door mechanism of an aluminum profile surface treatment device provided by an embodiment of the present invention;

[0039] Figure 18 Cross-sectional view of the folding door mechanism of an aluminum profile surface treatment device provided by an embodiment of the present invention;

[0040] Figure 19 Schematic diagram of the structure of the semi-circular drawer of an aluminum profile surface treatment device provided by an embodiment of the present invention.

[0041] Among them, the reference numerals in the figures are as follows:

[0042] 100, support vertical frame; 110, support column; 120, first hydraulic cylinder; 130, installation box body;

[0043] 140, arc plate group; 141, main board; 1411, telescopic groove; 142, side board; 200, support round table;

[0044] 210, first motor; 220, transmission shaft; 221, friction plate; 222, positive rotation spring;

[0045] 223, reverse rotation spring; 224, telescopic member; 225, connecting block; 300, spraying turntable;

[0046] 310, upper installation table; 320, lower installation table; 321, through hole; 330, connecting ring;

[0047] 400, first clamping arm; 410, first cylinder; 420, first support frame; 421, hinge part;

[0048] 430, first lifting plate; 440, lifting column; 450, first gripper; 460, rotating table;

[0049] 470, first connecting plate; 500, second clamping arm; 510, second motor; 520, second support frame;

[0050] 521, cross bar; 522, tension spring; 523, turntable; 524, limiting groove; 530, second gripper;

[0051] 540, third gripper; 550, limiting column; 600, powder spraying mechanism; 610, powder storage box;

[0052] 611, conveying pipeline; 620, air compressor; 630, spray gun; 631, snap ring;

[0053] 632, rubber body; 633, ferrule; 700, heating tube group; 710, upper support seat;

[0054] 720, lower support seat; 730, electric heating tube; 800, folding door mechanism; 810, support door frame;

[0055] 820, rolling shutter door; 821, guide groove; 830, reel; 900, semi - circular drawer. Detailed implementation manners

[0056] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0057] It should be further noted that the drawings and embodiments of the present invention mainly describe and explain the concept of the present invention. On the basis of this concept, the specific forms and settings of some connection relationships, positional relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be completely described. However, on the premise that those skilled in the art understand the concept of the present invention, those skilled in the art can implement the above - mentioned specific forms and settings in a well - known manner.

[0058] When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0059] The orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself. The terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0060] For ease of description, spatial relative terms, such as "above", "over", "on the upper surface", "upper", etc., may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figure is inverted, the device described as "above" or "over" other devices or structures will then be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device may also be positioned in other different ways, and corresponding interpretations of the spatial relative descriptions used herein will be made.

[0061] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more, and "several" means one or more, unless otherwise specifically defined.

[0062] A surface treatment device for aluminum profiles provided by the present invention will now be described.

[0063] As Figure 1 , Figure 2 and Figure 3 shown, the present invention provides a surface treatment device for aluminum profiles, including a support upright frame 100, a support turntable 200, a spraying turntable 300, and several sets of clamping mechanisms; a powder spraying mechanism 600 is provided on the upper part of the support upright frame 100; the support turntable 200 is placed inside the support upright frame 100; the spraying turntable 300 is rotatably arranged on the support turntable 200; several sets of clamping mechanisms are arranged in a circular pattern on the spraying turntable 300; wherein, each set of clamping mechanisms includes a first clamping arm 400 and a second clamping arm 500; the first clamping arm 400 is installed on the spraying turntable 300 and is used to clamp one end of the workpiece; the second clamping arm 500 is installed on the spraying turntable 300 and is arranged opposite to the first clamping arm 400 and is used to clamp the other end of the workpiece.

[0064] An aluminum profile surface treatment device provided in this embodiment, compared with the prior art, the aluminum profile surface treatment device provided by the present invention has multiple groups of clamping mechanisms provided on the spraying turntable 300, which can enable the powder spraying mechanism 600 to spray multiple workpieces simultaneously, so as to achieve the purpose of batch spraying and improve the spraying efficiency; and the first clamping arm 400 is responsible for clamping the upper end of the workpiece, while the second clamping arm 500 is responsible for clamping the lower end of the workpiece. During spraying, both the upper and lower ends clamp the workpiece simultaneously to ensure that the workpiece will not fall during rotation; the workpiece in this invention is an aluminum profile.

[0065] In some embodiments, such as Figure 2 , Figure 3 , Figure 4 and Figure 6 shown, the spraying turntable 300 includes an upper mounting table 310, a lower mounting table 320 and a connecting ring 330. The upper end of the connecting ring 330 is connected to the upper mounting table 310, the lower end of the connecting ring 330 is connected to the lower mounting table 320, the first clamping arm 400 is arranged on the upper mounting table 310, and the second clamping arm 500 is arranged on the lower mounting table 320, so that the workpiece is located between the upper mounting table 310 and the lower mounting table 320;

[0066] Such as Figure 4 and Figure 5 shown, a heating tube group 700 is provided on the periphery of the connecting ring 330. The heating tube group 700 includes a support upper seat 710, a support lower seat 720 and a plurality of electric heating tubes 730. The two ends of the electric heating tube 730 are respectively installed on the support upper seat 710 and the support lower seat 720. The support upper seat 710 is arranged on the upper mounting table 310, and the support lower seat 720 is arranged on the lower mounting table 320.

[0067] Specifically, the connecting ring 330 is connected to the upper mounting table 310 and the lower mounting table 320 through fasteners. The first clamping arm 400 is fixed to the lower side of the upper mounting table 310 through fasteners, and the second clamping arm 500 is fixed to the upper side of the lower mounting table 320 through fasteners;

[0068] In addition, this device is provided with a heating tube group 700, and the heating tube group 700 is detachable. Its support upper seat 710 and support lower seat 720 are both fixedly installed on the upper mounting table 310 and the lower mounting table 320 through fasteners. When aluminum profiles need to be heated, the heating tube group 700 can be fixedly installed. When heating is not required, the heating tube group 700 can also be disassembled to reduce energy consumption. The operator can freely choose. After the aluminum profiles are sprayed, the powder on the aluminum profiles can be heated as soon as possible without moving the aluminum profiles, achieving good results;

[0069] Further, in order to facilitate the installation of the heating tube group 700, the entire heating tube group 700 can also be divided into two parts, that is, both the upper support seat 710 and the lower support seat 720 can be set to be two semi-circular shapes. In this way, the two semi-circular heating tube groups 700 can be directly installed on the spraying turntable 300 without removing the upper installation table 310.

[0070] In some embodiments, such as Figure 2 , Figure 3 , Figure 17 and Figure 18 shown, four groups of folding door mechanisms 800 are provided on the periphery of the heating tube group 700. Each group of folding door mechanisms 800 includes a support door frame 810, a rolling shutter door 820 and a reel 830. The support door frame 810 is fixedly arranged on the spraying turntable 300 through fasteners. The reel 830 is arranged at the top of the support door frame 810, and its periphery is connected to the end of the rolling shutter door 820. Both sides of the rolling shutter door 820 are limited in the guide grooves 821 on both sides of the support door frame 810. When the reel 830 starts to rotate, it can drive the rolling shutter door 820 to rise or fall along the guide grooves 821.

[0071] It should be noted that when the powder spraying mechanism 600 sprays powder on the aluminum profile, in order to prevent the powder from adhering to the heating tube group 700 and affecting the heating tube group 700, four groups of folding door mechanisms 800 are arranged on the outer periphery of the heating tube group 700. The four groups of folding door mechanisms 800 tightly surround the heating tube group 700 to prevent a large amount of powder from contacting the heating tube group 700 during the powder spraying process.

[0072] When it is necessary to heat the powder adhering to the aluminum profile, start the third motor (not shown in the figure) at the top of the support door frame 810. The third motor drives the reel 830 to start rotating, thereby rolling the rolling shutter door 820 to the periphery of the reel 830, and finally driving the rolling shutter door 820 to move upward. During the upward movement of the rolling shutter door 820, both sides of the rolling shutter door 820 will always be limited in the guide grooves 821 on both sides of the support door frame 810, ensuring the normal operation of the rolling shutter door 820 rising or falling and preventing the rolling shutter door 820 from shifting, thereby causing damage to the rolling shutter door 820.

[0073] In some embodiments, such as Figure 6 shown, a first motor 210 is provided inside the support turntable 200. The output end of the first motor 210 is connected to a transmission shaft 220. The transmission shaft 220 passes through the support turntable 200 and extends into the connecting ring 330 to be connected to the upper installation table 310. When the output end of the first motor 210 rotates, it can drive the rotation of the spraying turntable 300.

[0074] Specifically, during the powder spraying process of the aluminum profile, the spraying turntable 300 rotates. At this time, the first motor 210 starts, driving the transmission shaft 220 connected to it to start rotating. The transmission shaft 220 drives the supporting turntable 200 connected to it to start rotating. The connection method between the transmission shaft 220 and the upper mounting table 310 is threaded connection, and it can also be connected by fasteners. It can also be connected by setting an insertion block at the upper end of the transmission shaft 220 and a jack on the upper mounting table 310.

[0075] In some embodiments, as Figure 7 and Figure 8 shown, the transmission shaft 220 includes a friction plate 221, a positive rotation spring 222, and a reverse rotation spring 223. The positive rotation spring 222 is sleeved outside the reverse rotation spring 223, and both the positive rotation spring 222 and the reverse rotation spring 223 are connected to the output end of the first motor 210 at one end and to the friction plate 221 at the other end. In the working state, the positive rotation spring 222 is in a compressed state, while the reverse rotation spring 223 is in a stretched state. The friction plate 221 abuts against the upper mounting table 310 under the cooperation of the positive rotation spring 222 and the reverse rotation spring 223 to transmit torque through friction and drive the upper mounting table 310 to rotate; a telescopic member 224 is provided on the friction plate 221, and the output end of the telescopic member 224 is connected to a connection block 225. The connection block 225 is connected to the ends of the positive rotation spring 222 and the reverse rotation spring 223. When the output end of the telescopic member 224 expands and contracts, the reverse rotation spring 223 can be driven to expand and contract through the connection block 225.

[0076] Specifically, the transmission shaft 220 can also adopt the above form. When in specific use, the friction plate 221 contacts the upper mounting table 310, and there is friction between them. When the output end of the first motor 210 starts to rotate, it will drive the positive rotation spring 222 and the reverse rotation spring 223 to rotate, and finally drive the rotation of the friction plate 221. Due to the existence of friction between the friction plate 221 and the upper mounting table 310, when the friction plate 221 rotates, it will drive the upper mounting table 310 to rotate, thereby driving the rotation of the entire spraying turntable 300. This method can make the spraying turntable 300 stop safely by pressing on the spraying turntable 300 forcefully or lifting the spraying turntable 300 when the spraying turntable 300 needs to stop, avoiding instantaneously pressing down on the spraying turntable 300 and affecting the operation safety due to excessive torque;

[0077] Additionally, since there is a subsequent process of heating the workpiece in this invention, if only one spring is provided, when the temperature rises, the spring will be slightly deformed. When the spring is deformed, it will affect the frictional force between the upper mounting table 310 and the friction plate 221. For the right-handed spring 222 and the left-handed spring 223 of this invention, the right-handed spring 222 and the left-handed spring 223 restrain each other, and the difference in their elastic forces generates frictional force. Compared with only setting one spring, when heated, both the right-handed spring 222 and the left-handed spring 223 will have a slight deformation and restrain each other. Therefore, the frictional force between the upper mounting table 310 and the friction plate 221 is less affected by temperature.

[0078] In addition, the right-handed spring 222 and the left-handed spring 223 can improve their stability by telescoping. When it is necessary to improve their stability, the output end of the telescoping member 224 is retracted, and then the output end of the telescoping member 224 drives the connecting block 225 to contract. The connecting block 225 can pass through the gaps at the ends of the right-handed spring 222 and the left-handed spring 223 and is fixedly connected to the right-handed spring 222 and the left-handed spring 223, preferably by welding. When the connecting block 225 contracts, it will drive the right-handed spring 222 and the left-handed spring 223 to start contracting. The right-handed spring 222 and the left-handed spring 223 become shorter, and the stability of the spraying turntable placed on the friction plate 221 will be improved.

[0079] In some embodiments, as Figure 9 and Figure 10 shown, the first clamping arm 400 includes a first cylinder 410, a first support frame 420, a first lifting plate 430, three lifting columns 440, and three first grippers 450. The first cylinder 410 is rotatably mounted on the upper mounting table 310 through a rotating table 460. The first support frame 420 is mounted on the first cylinder 410. The output end of the first cylinder 410 penetrates the first support frame 420 and is connected to one side of the first lifting plate 430. The other side of the first lifting plate 430 is connected to the three lifting columns 440. The three lifting columns 440 pass through the lower end of the first support frame 420 and are each hinged with a first connecting plate 470. The lower end of the first support frame 420 is provided with three hinged parts 421. The middle parts of the three first grippers 450 are respectively hinged to the three hinged parts 421. The other end of the first connecting plate 470 is hinged to the end of the first gripper 450. When the output end of the first cylinder 410 extends and retracts, it can drive the first gripper 450 to start moving.

[0080] It should be noted that during the powder spraying process of the aluminum profile, the aluminum profile is also rotating all the time. Therefore, the first cylinder 410 is fixed on the rotating table 460, and then the rotating table 460 is fixed to the upper mounting table 310, so that the first clamping arm 400 can freely rotate on the rotating table 460.

[0081] In addition, the first clamping arm 400 is provided with three first grippers 450. The three first grippers 450 clamp the aluminum profile in three directions, and there is a significant improvement in the gripping force on the aluminum profile compared to the previous clamping method, and the dropping rate of the aluminum profile during the clamping process is significantly reduced;

[0082] When it is necessary to clamp the aluminum profile, the first cylinder 410 is activated, and its output end contracts, driving the first lifting plate 430 to rise. The rising of the first lifting plate drives the three lifting columns 440 to rise. The rising of the three lifting columns 440 drives the three first connecting plates 470 hinged thereto to move upward. Finally, the upward movement of the three first connecting plates 470 drives the three first grippers 450 hinged thereto to contract inward and clamp the aluminum profile at three points; if it is necessary to release the aluminum profile, the output end of the first cylinder 410 extends to drive the three grippers to move outward, which will not be elaborated here.

[0083] In some embodiments, as Figure 11 and Figure 12 shown, the second clamping arm 500 includes a second motor 510, a second support frame 520, a second gripper 530 and a third gripper 540. The second motor 510 is arranged on the lower mounting table 320, the second support frame 520 is arranged on the output end of the second motor 510. A cross bar 521 is arranged in the second support frame 520, and the second gripper 530 and the third gripper 540 are mounted on the cross bar 521. A tension spring 522 is sleeved on the cross bar 521, and its two ends are respectively connected to the second gripper 530 and the third gripper 540;

[0084] A turntable 523 is also rotatably mounted in the second support frame 520. Two limit grooves 524 are arranged on the turntable 523, and the limit posts 550 at the ends of the second gripper 530 and the third gripper 540 are respectively limited in the two limit grooves 524.

[0085] Specifically, when the first clamping arm 400 clamps the aluminum profile and the spraying turntable 300 starts to rotate, a second clamping arm 500 needs to be arranged at the lower end of the aluminum profile to clamp it, ensuring that the aluminum profile will not shake during the rotation of the spraying turntable 300, resulting in powder spraying failure;

[0086] When it is necessary to clamp the lower end of the aluminum profile, the second gripper 530 and the third gripper 540 are stretched out to both sides, and the lower end of the aluminum profile is placed between the second gripper 530 and the third gripper 540, and then the second gripper 530 and the third gripper 540 are released. Under the tension of the tension spring 522, the second gripper 530 and the third gripper 540 will tightly clamp the aluminum profile. When the second gripper 530 and the third gripper 540 are displaced, they will always move along the cross bar 521. At the same time, the limiting columns 550 at the lower ends of the second gripper 530 and the third gripper 540 will always be limited in the two limiting grooves 524 on the turntable 523. When the second gripper 530 and the third gripper 540 are displaced, the turntable 523 will also rotate.

[0087] During the powder spraying process, not only the spray turntable 300 needs to rotate, but the aluminum profile also needs to keep rotating. At this time, the second motor 510 is started, thereby driving the rotation of the second clamping frame, the second gripper 530 and the third gripper 540, and finally driving the rotation of the clamped aluminum profile. After the aluminum profile starts to rotate, its upper end drives the first clamping arm 400 to start rotating on the rotating table 460.

[0088] In some embodiments, Figure 2 As shown, the support frame 100 includes two groups of support columns 110 and two first hydraulic cylinders 120. A first hydraulic cylinder 120 is arranged between each group of support columns 110. An installation box 130 is provided on the two groups of support columns 110 for lifting. The output ends of the two first hydraulic cylinders 120 are connected to the installation box 130.

[0089] In some embodiments, Figure 13 As shown, the powder spraying mechanism 600 includes a powder containing box 610, an air compressor 620 and a spray gun 630. The powder containing box 610 is installed in the installation box 130, and the air compressor 620 is installed on the powder containing box 610. Two conveying pipes 611 extend from the powder containing box 610, and the two conveying pipes 611 can be detachably installed with the spray gun 630.

[0090] like Figure 14 As shown, a clamping ring 631 is provided at the end of the spray gun 630, and a rubber body 632 is attached to one side of the clamping ring 631. A sleeve 633 is provided at one side of the clamping ring 631 of the spray gun 630. The sleeve 633 is clamped on one side of the clamping ring 631 by the clamping ring 631, and can only move on one side of the clamping ring 631. The inside of the sleeve 633 and the end of the conveying pipe 611 are provided with mutually matching threads, and the sleeve 633 is threadedly connected to the end of the conveying pipe 611.

[0091] Specifically, when powder spraying is required for the clamped aluminum profiles, start the two first hydraulic cylinders 120 and the air compressor 620. The two first hydraulic cylinders 120 drive the installation box body 130 to start lifting. The installation box body 130 drives the powder storage box 610 and the two conveying pipes 611 to lift, and finally drives the two spraying guns 630 connected to the two conveying pipes 611 to move up and down, so as to achieve full - range spraying of the aluminum profiles. The air compressor 620 is responsible for conveying the powder in the powder storage box 610 into the two spraying guns 630 and spraying it out. In order to prevent air leakage during the powder spraying process, a layer of rubber body 632 is specially added between the snap ring 631 and the socket 633 to ensure the normal operation of the powder spraying process;

[0092] The end of the spraying gun 630 is detachable relative to the conveying pipe 611. When heating is not required, the spraying gun 630 can be disassembled. At this time, turn the socket 633 and screw the socket 633 off from the thread at the end of the conveying pipe 611.

[0093] In some embodiments, such as Figure 1 、 Figure 15 and Figure 16 As shown, an arc - shaped plate group 140 is hinged on one side of the first hydraulic cylinder 120. The arc - shaped plate group 140 includes a main plate 141 and two side plates 142. The main plate 141 is hinged to the first hydraulic cylinder 120. Two telescopic grooves 1411 are formed on both sides of the main plate 141, and the two side plates 142 are respectively limited in the two telescopic grooves 1411.

[0094] It should be noted that, in order to prevent a large amount of powder from overflowing during the powder spraying process and causing damage to the environment, an arc - shaped plate group 140 is hinged on one side of each first hydraulic cylinder 120. The two side plates 142 of this arc - shaped plate group 140 can be telescopic. When in the fully expanded state, the two arc - shaped plate groups 140 surround the entire spraying turntable 300, leaving only a channel for the spraying gun 630 to lift.

[0095] In some embodiments, such as Figure 1 and Figure 19 As shown, there is an accommodation space between the support frustum 200 and the spraying turntable 300. Two semi - circular drawers 900 are placed in the accommodation space. A number of through - holes 321 are formed on the lower installation table 320 of the spraying turntable 300 to collect the fallen powder into the semi - circular drawers 900.

[0096] On the other hand, during the powder spraying process, a large amount of powder will fall off. In order to collect it and avoid waste, two semi-circular drawers 900 are placed in the accommodating space. The fallen powder falls into the semi-circular drawers 900 through the through holes 321. Since the accommodating space is annular, the two semi-circular drawers 900 can be well adapted and arranged in the accommodating space, and the aesthetics is also improved to a certain extent.

[0097] The working principle of the present invention:

[0098] First, it is necessary to start the first cylinder 410 to clamp the workpiece onto the first clamping arm 400. Then, use the second clamping arm 500 to clamp the lower end of the workpiece. After the clamping is completed, install the two spraying guns 630 onto the two conveying pipelines 611. After installation, close the arc plate groups 140 on both sides, and start the first motor 210, the second motor 510, the air compressor 620, and the two first hydraulic cylinders 120. At this time, the entire spraying turntable 300 starts to rotate, and the workpiece itself will also rotate. At the same time, the powder spraying mechanism 600 starts to lift, driving the spraying guns 630 to lift. The air compressor 620 conveys the powder to the spraying guns 630 and sprays it onto the workpiece;

[0099] When the spraying is completed, turn off the first motor 210, the air compressor 620, and the two first hydraulic cylinders 120, open the four rolling doors 820, and start the heating tube group 700 to start heating. At this time, only the second motor 510 drives the workpiece to rotate itself, so as to heat the powder on the workpiece in time.

[0100] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0101] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0102] Unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for the sake of convenience in description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the authorized specification. In all examples shown and discussed herein, any specific values should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters indicate like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

Claims

1. An aluminum profile surface treatment device, characterized in that, Including: A support vertical frame (100) with a powder spraying mechanism (600) arranged on its upper part; A support frustum (200) placed inside the support vertical frame (100); A spraying turntable (300) rotatably arranged on the support frustum (200); Several groups of clamping mechanisms arranged circumferentially on the spraying turntable (300); Among them, each group of the clamping mechanisms includes: A first clamping arm (400) installed on the spraying turntable (300) for clamping one end of the workpiece; A second clamping arm (500) installed on the spraying turntable (300), arranged opposite to the first clamping arm (400), for clamping the other end of the workpiece; The spraying turntable (300) includes an upper mounting table (310), a lower mounting table (320) and a connecting ring (330). The upper end of the connecting ring (330) is connected to the upper mounting table (310), the lower end of the connecting ring (330) is connected to the lower mounting table (320). The first clamping arm (400) is arranged on the upper mounting table (310), and the second clamping arm (500) is arranged on the lower mounting table (320), so that the workpiece is located between the upper mounting table (310) and the lower mounting table (320).

2. An aluminum profile surface treatment device according to claim 1, characterized in that: A heating tube group (700) is arranged on the periphery of the connecting ring (330). The heating tube group (700) includes a support upper seat (710), a support lower seat (720) and several electric heating tubes (730). The two ends of the electric heating tube (730) are respectively installed on the support upper seat (710) and the support lower seat (720). The support upper seat (710) is arranged on the upper mounting table (310), and the support lower seat (720) is arranged on the lower mounting table (320).

3. An aluminum profile surface treatment device according to claim 2, characterized in that: Four groups of folding door mechanisms (800) are arranged on the periphery of the heating tube group (700). Each group of the folding door mechanisms (800) includes a support door frame (810), a rolling shutter door (820) and a winding shaft (830). The support door frame (810) is arranged on the spraying turntable (300). The winding shaft (830) is arranged at the top of the support door frame (810) and is connected to the rolling shutter door (820). The rolling shutter door (820) is limited in the guiding grooves (821) on both sides of the support door frame (810). When the winding shaft (830) starts to rotate, it can drive the rolling shutter door (820) to rise or fall along the guiding grooves (821).

4. An aluminum profile surface treatment device as described in claim 1, characterized in that: A first motor (210) is arranged inside the support frustum (200). The output end of the first motor (210) is connected to a transmission shaft (220). The transmission shaft (220) passes through the support frustum (200) and extends into the connecting ring (330) to be connected to the upper mounting table (310). When the output end of the first motor (210) rotates, it can drive the rotation of the spraying turntable (300).

5. An aluminum profile surface treatment device according to claim 4, characterized in that: The transmission shaft (220) includes a friction plate (221), a right-handed spring (222), and a left-handed spring (223). The right-handed spring (222) is sleeved outside the left-handed spring (223). Both the right-handed spring (222) and the left-handed spring (223) are connected at one end to the output end of the first motor (210) and at the other end to the friction plate (221). In the working state, the right-handed spring (222) is in a compressed state, while the left-handed spring (223) is in a stretched state. The friction plate (221) abuts against the upper mounting table (310) under the cooperation of the right-handed spring (222) and the left-handed spring (223) to transmit torque through friction and drive the upper mounting table (310) to rotate; A telescopic member (224) is provided on the friction plate (221). The output end of the telescopic member (224) is connected to a connecting block (225). The connecting block (225) is connected to the ends of the right-handed spring (222) and the left-handed spring (223). When the output end of the telescopic member (224) expands and contracts, the left-handed spring (223) can be driven to expand and contract through the connecting block (225).

6. The surface treatment device for aluminum profiles according to claim 5, characterized in that: The first clamping arm (400) includes a first cylinder (410), a first support frame (420), a first lifting plate (430), three lifting columns (440), and three first grippers (450). The first cylinder (410) is rotatably mounted on the upper mounting table (310) through a rotating table (460). The first support frame (420) is mounted on the first cylinder (410). The output end of the first cylinder (410) penetrates through the first support frame (420) and is connected to one side of the first lifting plate (430). The other side of the first lifting plate (430) is connected to the three lifting columns (440). The three lifting columns (440) pass through the lower end of the first support frame (420) and are each hinged to a first connecting plate (470). Three hinged parts (421) are provided at the lower end of the first support frame (420). The middle parts of the three first grippers (450) are respectively hinged to the three hinged parts (421). The other end of the first connecting plate (470) is hinged to the end of the first gripper (450). When the output end of the first cylinder (410) expands and contracts, the first gripper (450) can be driven to start moving; An arc-shaped plate group (140) is hinged to one side of the first hydraulic cylinder (120). The arc-shaped plate group (140) includes a main plate (141) and two side plates (142). The main plate (141) is hinged to the first hydraulic cylinder (120). Two telescopic slots (1411) are formed on both sides of the main plate (141). The two side plates (142) are respectively limited in the two telescopic slots (1411).

7. The surface treatment device for aluminum profiles according to claim 6, characterized in that: The second clamping arm (500) includes a second motor (510), a second support frame (520), a second gripper (530), and a third gripper (540). The second motor (510) is arranged on the lower mounting table (320). The second support frame (520) is arranged on the output end of the second motor (510). A cross bar (521) is arranged inside the second support frame (520). The second gripper (530) and the third gripper (540) are mounted on the cross bar (521). A tension spring (522) is sleeved on the cross bar (521), and its two ends are respectively connected to the second gripper (530) and the third gripper (540). A turntable (523) is rotatably mounted inside the second support frame (520). Two limiting grooves (524) are arranged on the turntable (523). The limiting posts (550) at the ends of the second gripper (530) and the third gripper (540) are respectively limited in the two limiting grooves (524).

8. An aluminum profile surface treatment device according to claim 1, characterized in that: The support upright frame (100) includes two groups of support columns (110) and two first hydraulic cylinders (120). One of the first hydraulic cylinders (120) is arranged between each group of the support columns (110). An installation box body (130) is arranged on the support columns (110) in a lifting manner. The output ends of the two first hydraulic cylinders (120) are connected to the installation box body (130).

9. An aluminum profile surface treatment device according to claim 8, characterized in that: The powder spraying mechanism (600) includes a powder storage tank (610), an air compressor (620), and a spray gun (630). The powder storage tank (610) is installed inside the installation box body (130). The air compressor (620) is installed on the powder storage tank (610). Two conveying pipes (611) extend from the powder storage tank (610). The spray gun (630) is detachably installed on the two conveying pipes (611). A snap ring (631) is arranged at the end of the spray gun (630). A rubber body (632) is attached to one side of the snap ring (631). A ferrule (633) is arranged on one side of the snap ring (631) of the spray gun (630). Threads that are adapted to each other are arranged inside the ferrule (633) and at the end of the conveying pipe (611). The ferrule (633) is threadedly connected to the end of the conveying pipe (611).

10. An aluminum profile surface treatment device as described in claim 1, characterized in that: There is an accommodation space between the support frustum (200) and the spraying turntable (300). Two semi-circular drawers (900) are placed in the accommodation space. A number of through holes (321) are formed on the lower mounting table (320) of the spraying turntable (300) for collecting the fallen powder into the semi-circular drawers (900).

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