CN213779836U

CN213779836U - Exposing frame for detecting weather resistance of polyurethane finish coating

Info

Publication number: CN213779836U
Application number: CN202022634463.7U
Authority: CN
Inventors: 管汉瑛; 倪志广; 何义发; 杨玲
Original assignee: Tianjin Arsenal Science And Trade Co ltd
Current assignee: Tianjin Arsenal Science And Trade Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-23
Anticipated expiration: 2030-11-13

Abstract

The utility model provides a polyurethane finish coat coating weatherability detects uses rack of exposing to the sun belongs to polyurethane finish coat coating technical field. The exposure frame for detecting the weather resistance of the polyurethane finish coating comprises a supporting plate assembly, a supporting frame assembly and a pushing mechanism. The support frame assembly comprises a first support frame, a second support frame, a first support rod, a second support rod, a placing plate and a pressing piece. Place in placing the board after the model, open first motor, first motor drives the internal thread cover and rotates around first fixed plate, through the screw thread transmission principle, the internal thread cover drives two synchronous downstream of first screw rod, first screw rod drives the combination pressure strip and withholds the model, reach the purpose of fixed model, the current rack of insolating of effectual improvement is not convenient for the fixed problem of model, reduce the model and push off the model from the rack of insolating because of strong wind or external force, lead to the model to tumble to injure or fall down, and then the condition that influences the testing result takes place.

Description

Exposing frame for detecting weather resistance of polyurethane finish coating

Technical Field

The utility model relates to a polyurethane finish coat coating field particularly, relates to a polyurethane finish coat coating weatherability detects with exposing frame.

Background

The weather resistance of the polyurethane finish coating refers to the degree of the destructive influence of the coating on the atmospheric environment, and is influenced by sunlight, rainwater and temperature, the weather resistance of a paint film is very concerned by various large coating manufacturers and coating users, the conventional test method for the weather resistance of the coating is to place a sample plate with the polyurethane finish coating in outdoor exposure, when the conventional exposure frame is used, the automatic pushing and placing of the sample plate are realized through the combination of a bearing frame, an oil cylinder, a driving device and a pushing device, the labor cost is reduced, the efficiency is improved, at present, after the sample plate is placed on the exposure frame, when the sample plate is pushed by strong wind or unexpected external force, the sample plate is inconvenient to fix, the sample plate is pushed down from the exposure frame by strong wind or the external force, and the condition that the sample plate is fallen or damaged is further caused, and the detection result is influenced.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above insufficiency, the utility model provides a polyurethane finish coat coating weatherability can detect with exposing to the sun frame aims at improving the fixed problem of model of not being convenient for of current exposing to the sun frame.

The utility model discloses a realize like this:

a insolation frame for detecting weather resistance of polyurethane finish coating comprises a supporting plate assembly, a supporting plate assembly and a pushing mechanism.

The support plate component comprises a support plate and a mounting groove arranged on the upper side of one end of the support plate, the plurality of support frame components are arranged in parallel and fixedly connected to one end, far away from the mounting groove, of the upper side of the support plate, the plurality of support frame components comprise a first support frame, a second support frame, a first support rod, a second support rod, a placing plate and a pressing piece, the first support frame and the second support frame are both rectangular pipes and are welded into a square frame, one end of the first support frame and one end of the second support frame are fixed through the first support rod, the other end of the first support frame and the other end of the second support frame are fixed through the second support rod, the first support rod is vertically arranged, the second support rod is obliquely arranged, the placing plate is fixedly connected between the first support rod and the second support rod, and the placing plate is horizontally arranged, the pressing piece comprises two first motors, two first fixing plates, two internal thread sleeves, a combined pressing plate and two first screw rods, the two first motors are fixedly connected to two ends of the upper side of the first supporting frame respectively, the output end of each first motor penetrates through the first supporting frame, the two first fixing plates are fixedly connected to the lower sides of the inner walls of two ends of the first supporting frame respectively, the two internal thread sleeves are rotatably connected to the first fixing plates through bearings, the output ends of the first motors and the outer walls of the lower ends of the internal thread sleeves are connected through gear transmission, the two first screw rods are fixedly connected to two ends of the upper side of the combined pressing plate, the two first screw rods are respectively in threaded connection with the internal thread sleeves in a threaded mode, and the pushing mechanism is arranged in the mounting groove.

In an embodiment of the present invention, the supporting plate bottom end is fixedly connected with the supporting leg.

In an embodiment of the present invention, the bottom end of the supporting leg is fixedly connected with the pressing plate.

The utility model discloses an in one embodiment, place board upside fixedly connected with pin, the pin will place the board upside and separate for two and place the district.

The utility model discloses an in the embodiment, backup pad upside fixedly connected with air heater, evenly run through on placing the district and seted up a plurality of through-holes, the through-hole with the air heater air outlet.

The utility model discloses an in one embodiment, the upside fixedly connected with second fixed plate of first carriage both ends inner wall, the internal thread cover upper end through the bearing rotate connect in the second fixed plate.

The utility model discloses an in one embodiment, combination pressure strip includes first plate body, second plate body, connecting rod and first blotter, two first screw rod fixed connection in the both ends of first plate body upside, the connecting rod respectively fixed connection in the both ends of second plate body upside, the connecting rod run through in first plate body, the connecting rod pass through nut fixed connection in first plate body, first blotter fixed connection in second plate body downside.

In an embodiment of the present invention, the first cushion pad is a rubber pad.

In an embodiment of the present invention, the pushing mechanism includes a moving block, four first electric push rods, a material plate, a second electric push rod and a push plate, the moving block includes a second motor, a second screw and a moving block, the second motor is fixedly connected to one end inside the mounting groove, one end of the second screw is fixedly connected to the output end of the second motor, the other end of the second screw is rotatably connected to one end of the mounting groove far away from the second motor, the moving block is located in the mounting groove, the second screw threads penetrate through the moving block, the four first electric push rods are fixedly connected to the four corners of the upper side of the moving block, the upper end of each first electric push rod is fixedly connected to the lower side of the material plate, the second electric push rod is fixedly connected to one end of the upper side of the material plate far away from the placing plate, the push plate is fixedly connected to the end part of the second electric push rod.

In an embodiment of the present invention, the push plate is kept away from the second cushion pad fixedly connected to one side of the second electric push rod.

The utility model has the advantages that: the utility model discloses a polyurethane top facing coating weatherability can detect and use insolate frame that the design obtained on, place in after placing the board when the model, open first motor, first motor drives the internal thread cover and rotates around first fixed plate, through the screw thread transmission principle, the internal thread cover drives two synchronous downstream of first screw rods, first screw rod drives the combination pressure strip and withstands the model, reach the purpose of fixed model, the effectual current insolate frame of improving is not convenient for the fixed problem of model, reduce the model and push off the model from insolate frame because of strong wind or external force, lead to the model tumble injury or destroy, and then the condition that influences the testing result takes place.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a insolation rack for detecting weather resistance of a polyurethane finish coating according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a support plate assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a support frame assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of an embodiment of the present invention providing a side-by-side arrangement of two support frame assemblies;

fig. 5 is a schematic structural view of a pressing member according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural diagram of a point a in fig. 5 according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a pushing mechanism provided in an embodiment of the present invention;

fig. 8 is a schematic structural view of a moving block according to an embodiment of the present invention.

In the figure: 100-a support plate assembly; 110-a support plate; 120-mounting grooves; 130-a leg; 140-a pressure distributing plate; 200-a support frame assembly; 210-a first support frame; 220-a second support frame; 230-a first support bar; 240-a second support bar; 250-placing a plate; 260-a pressing piece; 261-a first motor; 262-a first fixed plate; 263-internal thread sleeve; 264-combination pressure strip; 2641-a first plate body; 2642-a second plate; 2643-connecting rod; 2644-first cushion; 265-first screw; 266-a second fixation plate; 270-a stop lever; 280-hot air blower; 300-a pushing mechanism; 310-moving the block; 311-a second motor; 312-a second screw; 313-a moving block; 320-a first electric push rod; 330-material plate; 340-a second electric push rod; 350-push plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the utility model provides a polyurethane finish coat weather ability detects and uses rack of exposing to the sun, including backup pad subassembly 100, support frame subassembly 200 and push mechanism 300, backup pad subassembly 100 is used for supporting and fixed support frame subassembly 200 and push mechanism 300, and support frame subassembly 200 is used for placing the model, and push mechanism 300 is used for the propelling movement model.

Referring to fig. 2, the supporting plate assembly 100 includes a supporting plate 110 and a mounting groove 120 disposed at an upper side of one end of the supporting plate 110, a supporting leg 130 is fixedly connected to a bottom end of the supporting plate 110, the supporting leg 130 is fixedly connected to a lower side of the supporting plate 110 by welding, so as to fix the supporting plate 110, a pressure dividing plate 140 is fixedly connected to a bottom end of the supporting leg 130, the pressure dividing plate 140 is fixedly connected to a bottom end of the supporting leg 130, and the pressure of the supporting leg 130 on the ground is reduced by the pressure dividing plate 140.

Referring to fig. 3 and 4, a plurality of support frame assemblies 200 are provided, the plurality of support frame assemblies 200 are fixedly connected to one end of the upper side of the support plate 110, which is far from the mounting groove 120, in parallel, wherein the support frame assemblies 200 are fixedly connected to one end of the upper side of the support plate 110, which is far from the mounting groove 120, in parallel by bolts, the support frame assemblies 200 include a first support frame 210, a second support frame 220, a first support rod 230, a second support rod 240, a placing plate 250 and a pressing member 260, the first support frame 210 and the second support frame 220 are rectangular tubes and are welded into a square frame, one ends of the first support frame 210 and the second support frame 220 are fixed by the first support rod 230, it should be noted that the first support rod 230 is fixed between the first support frame 210 and the second support frame 220 by welding, the other ends of the first support frame 210 and the second support frame 220 are fixed by the second support rod 240, specifically, the second support rod 240 is fixed between the first support frame 210 and the second support frame 220 by welding, the first supporting rod 230 is vertically arranged, the second supporting rod 240 is obliquely arranged, the placing plate 250 is fixedly connected between the first supporting rod 230 and the second supporting rod 240, in this embodiment, the placing plate 250 is fixedly connected between the first supporting rod 230 and the second supporting rod 240 by welding, the placing plate 250 is horizontally arranged, the supporting frame assembly 200 has stable structure and strong compressive property, the upper side of the placing plate 250 is fixedly connected with the blocking rod 270, it should be noted that the blocking rod 270 is fixedly connected to the upper side of the placing plate 250 by welding or bolts, the blocking rod 270 divides the upper side of the placing plate 250 into two placing areas, the upper side of the supporting plate 110 is fixedly connected with the hot air blower 280, preferably, the hot air blower 280 is fixedly connected to the upper side of the supporting plate 110 by bolts, the placing areas are uniformly penetrated with a plurality of through holes, the through holes and the air outlets of the hot air blower 280, so as to facilitate the hot air blown out by the hot air blower 280 to contact the sample plate, improving the effect of insolation.

Referring to fig. 5, the pressing member 260 includes two first motors 261, two first fixing plates 262, two internal thread sleeves 263, a combined pressing plate 264 and two first screws 265, the two first motors 261 are respectively and fixedly connected to two ends of the upper side of the first supporting frame 210, preferably, the two first motors 261 are respectively and fixedly connected to two ends of the upper side of the first supporting frame 210 through bolts, the output end of the first motor 261 penetrates through the first supporting frame 210, the two first fixing plates 262 are respectively and fixedly connected to the lower sides of the inner walls of two ends of the first supporting frame 210, specifically, the two first fixing plates 262 are respectively and fixedly connected to the lower sides of the inner walls of two ends of the first supporting frame 210 through welding, the two internal thread sleeves 263 are rotatably connected to the first fixing plates 262 through bearings, the output end of the first motor 261 and the outer wall of the lower end of the internal thread sleeve 263 are connected through gear transmission, the two first screws 265 are fixedly connected to two ends of the upper side of the combined pressing plate 264, the two first screws 265 are respectively inserted into the inner thread sleeves 263 in a threaded manner, the upper sides of the inner walls of the two ends of the first supporting frame 210 are fixedly connected with second fixing plates 266, the second fixing plates 266 are fixedly connected with the inner walls of the two ends of the first supporting frame 210 through welding, the upper ends of the inner thread sleeves 263 are rotatably connected with the second fixing plates 266 through bearings, the inner thread sleeves 263 are connected through the second fixing plates 266, the stability of the inner thread sleeves 263 in the movement process is improved, when a sample plate is placed on the placing plate 250, the first motor 261 is turned on, the first motor 261 drives the inner thread sleeves 263 to rotate around the first fixing plates 262 and the second fixing plates 266, through the thread transmission principle, the inner thread sleeves 263 drive the two first screws 265 to synchronously move downwards, the first screws 265 drive the combined pressing plate 264 to press the sample plate, the purpose of fixing the sample plate is achieved, the problem that the existing rack is inconvenient for fixing the sample plate is effectively solved, and the sample plate is prevented from being pushed down from the rack due to a strong wind or an external force, the template is damaged or fallen, and the detection result is influenced.

Referring to fig. 6, the combined pressing plate 264 includes a first plate 2641, a second plate 2642, a connecting rod 2643 and a first buffer pad 2644, wherein two first screws 265 are fixedly connected to two ends of an upper side of the first plate 2641, the two first screws 265 are fixedly connected to two ends of an upper side of the first plate 2641 by welding, the connecting rod 2643 is fixedly connected to two ends of an upper side of the second plate 2642, when the combined pressing plate is specifically configured, the connecting rod 2643 is fixedly connected to two ends of an upper side of the second plate 2642 by welding, the connecting rod 2643 penetrates through the first plate 2641, the connecting rod 2643 is fixedly connected to the first plate 2641 by a nut, the first buffer pad 2644 is fixedly connected to a lower side of the second plate 2642, the first buffer pad 2644 is a rubber pad, so as to reduce a situation of a pressing loss of the combined pressing plate 264, when the second plate 2642 and the first buffer pad 2644 are required to be replaced, the nut on the connecting rod 2643 is removed, the connecting rod 2643 is removed from the first plate 2641, the second plate 2642 and the first cushion 2644 are replaced, and the installation is performed in the reverse order, so that the replacement process is simple.

Referring to fig. 7 and 8, the pushing mechanism 300 is disposed in the mounting groove 120, the pushing mechanism 300 includes a moving block 310, four first electric push rods 320, a material plate 330, a second electric push rod 340 and a push plate 350, the moving block 310 includes a second motor 311, a second screw 312 and a moving block 313, the second motor 311 is fixedly connected to one end inside the mounting groove 120, when the pushing mechanism is specifically disposed, the second motor 311 is fixedly connected to one end inside the mounting groove 120 through a bolt, one end of the second screw 312 is fixedly connected to an output end of the second motor 311, in this embodiment, one end of the second screw 312 is fixedly connected to an output end of the second motor 311 through a coupling, the other end of the second screw 312 is rotatably connected to one end of the mounting groove 120 far from the second motor 311 through a bearing, preferably, the other end of the second screw 312 is rotatably connected to one end of the mounting groove 120 through a bearing, the moving block 313 is located in the mounting groove 120, and a thread of the second screw 312 penetrates through the moving block 313, the bottom ends of the four first electric push rods 320 are fixedly connected to four corners of the upper side of the moving block 313, wherein the bottom ends of the four first electric push rods 320 are fixedly connected to the four corners of the upper side of the moving block 313 through bolts, the upper end of the first electric push rod 320 is fixedly connected to the lower side of the material plate 330 through bolts, specifically, the upper end of the first electric push rod 320 is fixedly connected to the lower side of the material plate 330 through bolts, the second electric push rod 340 is fixedly connected to one end of the upper side of the material plate 330 far away from the placing plate 250, the second electric push rod 340 is fixedly connected to one end of the material plate 330 through bolts, the push plate 350 is fixedly connected to the end of the second electric push rod 340 through bolts, the push plate 350 is fixedly connected to one side of the push plate 350 far away from the second electric push rod 340 through bolts, the second cushion is adhered to the push plate 350 through glue, when the push plate 350 pushes the template, the damage of the template is reduced through the second cushion, when in use, the sample plate is placed on the upper side of the material plate 330, the second motor 311 is turned on, the second motor 311 drives the second screw 312 to rotate, through the principle of screw transmission, the second screw 312 drives the moving block 313 to slide along the mounting groove 120, the moving block 313 drives the sample plate to move to a placing area to be placed, the first electric push rods 320 are opened, the four first electric push rods 320 synchronously ascend or descend to drive the material plate 330 to ascend and descend, the second electric push rod 340 pushes the push plate 350, the push plate 350 pushes the sample plate to push the sample plate to the placing area on the placing plate 250, automatic pushing and placing of the sample plate are achieved, labor cost is reduced, efficiency is improved, and the sample plate pushing device is suitable for popularization and in the pushing process, the four first electric push rods 320 lift the sample plate to form a simple beam for supporting, so that the torque applied to the first electric push rods 320 is reduced, and the damage to the first electric push rods 320 is reduced.

Specifically, the working principle of the exposure frame for detecting the weather resistance of the polyurethane finish coating is as follows: after the model is placed in placing board 250, open first motor 261, first motor 261 drives internal thread cover 263 and rotates around first fixed plate 262 and second fixed plate 266, through the screw thread transmission principle, internal thread cover 263 drives two synchronous downstream of first screw rod 265, first screw rod 265 drives combination pressure strip 264 and pushes down the model, reach the purpose of fixed model, the fixed problem of the model of being not convenient for of the present insolation frame of effectual improvement, it pushes away the model from the insolation frame because of strong wind or external force to reduce the model, lead to the model tumble injury or fall down, and then the condition that influences the testing result takes place.

When the second plate 2642 and the first cushion 2644 need to be replaced, the nuts on the connecting rods 2643 are removed, the connecting rods 2643 are removed from the first plate 2641, the second plate 2642 and the first cushion 2644 are replaced, and the installation is performed in the reverse order, so that the replacement process is simple.

When in use, the sample plate is placed on the upper side of the material plate 330, the second motor 311 is turned on, the second motor 311 drives the second screw 312 to rotate, through the principle of screw transmission, the second screw 312 drives the moving block 313 to slide along the mounting groove 120, the moving block 313 drives the sample plate to move to a placing area to be placed, the first electric push rods 320 are opened, the four first electric push rods 320 synchronously ascend or descend to drive the material plate 330 to ascend and descend, the second electric push rod 340 pushes the push plate 350, the push plate 350 pushes the sample plate to push the sample plate to the placing area on the placing plate 250, automatic pushing and placing of the sample plate are achieved, labor cost is reduced, efficiency is improved, and the sample plate pushing device is suitable for popularization and in the pushing process, the four first electric push rods 320 lift the sample plate to form a simple beam for supporting, so that the torque applied to the first electric push rods 320 is reduced, and the damage to the first electric push rods 320 is reduced.

It should be noted that the specific model specifications of the first motor 261, the second motor 311, the first electric push rod 320, and the second electric push rod 340 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed excrescences are not needed.

The power supply of the first motor 261, the second motor 311, the first electric putter 320, and the second electric putter 340 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sun exposure frame for detecting weather resistance of polyurethane finish coating is characterized by comprising

The support plate component (100), the support plate component (100) comprises a support plate (110) and a mounting groove (120) arranged on the upper side of one end of the support plate (110);

the supporting frame assembly (200) is provided in plurality, the supporting frame assemblies (200) are fixedly connected to one end, far away from the installation groove (120), of the upper side of the supporting plate (110) in parallel, each supporting frame assembly (200) comprises a first supporting frame (210), a second supporting frame (220), a first supporting rod (230), a second supporting rod (240), a placing plate (250) and a pressing piece (260), the first supporting frame (210) and the second supporting frame (220) are both rectangular pipes and welded into a square frame, one ends of the first supporting frame (210) and the second supporting frame (220) are fixed through the first supporting rods (230), the other ends of the first supporting frame (210) and the second supporting frame (220) are fixed through the second supporting rods (240), the first supporting rods (230) are vertically arranged, and the second supporting rods (240) are obliquely arranged, the placing plate (250) is fixedly connected between the first supporting rod (230) and the second supporting rod (240), the placing plate (250) is horizontally arranged, the pressing member (260) comprises two first motors (261), two first fixing plates (262), two internal thread sleeves (263), a combined pressing plate (264) and two first screws (265), the two first motors (261) are respectively and fixedly connected to two ends of the upper side of the first supporting frame (210), the output end of the first motor (261) penetrates through the first supporting frame (210), the two first fixing plates (262) are respectively and fixedly connected to the lower sides of the inner walls of two ends of the first supporting frame (210), the two internal thread sleeves (263) are rotatably connected to the first fixing plates (262) through bearings, the output end of the first motor (261) is connected with the outer wall of the lower end of the internal thread sleeve (263) through gear transmission, the two first screw rods (265) are fixedly connected to two ends of the upper side of the combined pressing plate (264), and the two first screw rods (265) are respectively inserted into the internal thread sleeve (263) in a threaded manner;

the pushing mechanism (300), the pushing mechanism (300) is arranged in the mounting groove (120).

2. The insolation rack for testing weather resistance of polyurethane finish coating according to claim 1, wherein the bottom end of the support plate (110) is fixedly connected with a leg (130).

3. The insolation rack for testing weather resistance of polyurethane finish coating according to claim 2, wherein a pressure-distributing plate (140) is fixedly connected to the bottom ends of the legs (130).

4. The rack for detecting weather resistance of polyurethane finish coating according to claim 1, wherein a stop bar (270) is fixedly connected to the upper side of the placing plate (250), and the stop bar (270) divides the upper side of the placing plate (250) into two placing areas.

5. The rack as claimed in claim 4, wherein a hot air blower (280) is fixedly connected to the top of the supporting plate (110), and a plurality of through holes are uniformly formed through the placement area, the through holes and the air outlet of the hot air blower (280).

6. The insolation rack for detecting weather resistance of polyurethane finishing coating according to claim 1, wherein a second fixing plate (266) is fixedly connected to the upper side of the inner wall of each end of the first supporting frame (210), and the upper end of the internal thread bushing (263) is rotatably connected to the second fixing plate (266) through a bearing.

7. The rack of claim 6, wherein the combined pressing plate (264) comprises a first plate body (2641), a second plate body (2642), a connecting rod (2643) and a first buffer pad (2644), the two first screws (265) are fixedly connected to two ends of the upper side of the first plate body (2641), the connecting rods (2643) are respectively fixedly connected to two ends of the upper side of the second plate body (2642), the connecting rod (2643) penetrates through the first plate body (2641), the connecting rod (2643) is fixedly connected to the first plate body (2641) through a nut, and the first buffer pad (2644) is fixedly connected to the lower side of the second plate body (2642).

8. The rack of claim 7, wherein the first cushion pad (2644) is a rubber pad.

9. The rack of claim 1, wherein the pushing mechanism (300) comprises a moving block (310), four first electric push rods (320), a material plate (330), a second electric push rod (340) and a push plate (350), the moving block (310) comprises a second motor (311), a second screw (312) and a moving block (313), the second motor (311) is fixedly connected to one end inside the installation groove (120), one end of the second screw (312) is fixedly connected to the output end of the second motor (311), the other end of the second screw (312) is rotatably connected to one end, far away from the second motor (311), of the installation groove (120), the moving block (313) is located in the installation groove (120), and the second screw (312) is threaded through the moving block (313), the bottom ends of the four first electric push rods (320) are fixedly connected to four corners of the upper side of the moving block (313), the upper ends of the first electric push rods (320) are fixedly connected to the lower side of the material plate (330), the second electric push rods (340) are fixedly connected to one end, far away from the placing plate (250), of the upper side of the material plate (330), and the push plate (350) is fixedly connected to the end portion of the second electric push rods (340).

10. The rack of claim 9, wherein a second cushion pad is fixedly connected to a side of the push plate (350) away from the second electric push rod (340).