Automatic proportioning device for fireproof coating raw materials

Abstract

The utility model belongs to the technical field of fireproof coating production, and discloses an automatic proportioning device for fireproof coating raw materials, which comprises a proportioning mechanism, the proportioning mechanism comprises two groups of fixing frames, and the outer surfaces of the two groups of fixing frames are provided with driving mechanisms for driving the fixing frames to quickly ascend and descend. Limiting mechanisms for limiting the moving range of the driving mechanism are arranged on the left side and the right side of the driving mechanism, a positioning mechanism is arranged in the batching mechanism, the driving mechanism is started to drive the batching mechanism to move, and the position of the batching mechanism is adjusted and moved to the right upper end of a feeding opening in the top end of the fireproof coating stirring tank. Therefore, a worker does not need to climb to the upper end of the fireproof coating stirring tank when adding raw materials into the batching mechanism subsequently; the batching mechanism and the material guide mechanism are driven to rotate through the started positioning mechanism under the action of gravity, so that subsequent workers do not need to climb to the top end of the fireproof coating stirring tank to rotate the batching mechanism and the material guide mechanism to guide out raw materials accumulated in the batching mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of fire retardant coating production, in particular to an automatic proportioning device for raw materials of fire retardant coating. Background Art

[0002] Fire retardant coating is a kind of coating that can improve the fire resistance of the material by brushing the coating on the surface of the material, while reducing the flammability of the surface of the coated material and preventing the rapid spread of fire. Fire retardant coating is prepared by mixing a variety of raw materials in precise proportions. Currently, raw materials are added through adding devices to prepare fire retardant coating.

[0003] For example, the utility model with announcement number CN219631217U discloses a device for proportioning raw materials before preparing fire-retardant coatings, including a support, a plurality of installation grooves are opened on the support, a raw material box is installed in the installation grooves, a weighing sensor is also installed at the bottom of the installation grooves, both ends of the raw material box are respectively abutted against the weighing sensor, a slide plate is slidably installed in the raw material box, a threaded hole is opened on one side of the raw material box, a bolt is installed in the threaded hole, one end of the bolt is abutted against the slide plate, and the bottom of the raw material box is rotatably connected with a bottom plate through a rotating shaft. The utility model can determine the weight ratio of various raw materials through the weighing sensor, and can also determine the volume ratio of various raw materials through the bolts and the slide plate. Different fire-retardant material formulas can be proportioned. Whether it is necessary to measure the volume ratio or the weight ratio of various raw materials, the proportioning device can complete it without replacing the proportioning device, saving time and improving work efficiency.

[0004] In the process of implementing this application, it was found that the technology has the following problems: most of the existing raw material proportioning devices before fire retardant coating preparation are installed between two groups of supports, but no supporting mechanism is installed at both ends of the supports during use, so that the subsequent proportioning device can only be placed directly above the fire retardant coating preparation device during use. There is a gap between the top of the fire retardant coating preparation device and the ground, which makes it impossible for subsequent staff to quickly add raw materials to the interior of the proportioning device, thereby reducing the practicality of the equipment.

[0005] For this purpose, an automatic proportioning device for raw materials of fire retardant coating is proposed. Utility Model Content

[0006] The purpose of the utility model is to solve the problem that most of the existing raw material proportioning devices before fire retardant coating preparation are installed between two groups of supports, but no supporting mechanism is installed at both ends of the supports during use, so that the subsequent proportioning device can only be placed on the upper end of the fire retardant coating preparation device during use, and there is a gap between the top of the fire retardant coating preparation device and the ground, which makes it impossible for subsequent staff to quickly add raw materials into the proportioning device. The utility model provides an automatic proportioning device for fire retardant coating raw materials.

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A fire retardant coating raw material automatic proportioning device includes a proportioning mechanism, the proportioning mechanism includes two groups of fixed frames, the outer surfaces of the two groups of fixed frames are installed with driving mechanisms for driving themselves to quickly rise and fall, the left and right sides of the driving mechanism are provided with limiting mechanisms for limiting the moving range of the driving mechanism, and the interior of the proportioning mechanism is provided with a positioning mechanism.

[0009] Furthermore, the batching mechanism includes a storage box and a hinge, the upper surfaces of the two groups of the fixing frames are provided with a card slot, the storage box is slidably connected inside the card slots of the two groups of the fixing frames, and the lower surface of the storage box is hinged to a limit plate through the hinge;

[0010] The driving mechanism comprises an L-shaped positioning frame and a supporting plate, the top of the inner wall of the L-shaped positioning frame is provided with a groove, the inner surface of the L-shaped positioning frame groove is rotatably connected with a fixing rod, the lower surface of the fixing rod is installed with a fixing sleeve, the top of the inner wall of the fixing sleeve is provided with a motor, the output shaft of the motor is installed with a screw, the external thread of the screw is connected with a fixing ring 2, the fixing ring 2 is slidably connected to the inside of the fixing sleeve, the outer surface of the fixing ring 2 is provided with a slider, the outer surface of the fixing sleeve is provided with a slot, the slider is slidably connected to the inside of the slot of the fixing sleeve, the outer surface of the slider is provided with a fixing ring 1, the outer surface of the fixing ring 1 is provided with a connecting block, two groups of the fixing frames are installed on the side of the connecting block away from the fixing ring 1, a rotating rod is installed inside the bottom end of the fixing sleeve, the lower surface of the rotating rod is provided with a groove, the supporting plate is rotatably connected to the inside of the groove of the rotating rod, and the height of the lower surface of the L-shaped positioning frame and the height of the lower surface of the supporting plate remain parallel.

[0011] Furthermore, a push handle is installed on the outer surface of the fixed sleeve.

[0012] Furthermore, the positioning mechanism includes a control panel, a positioning block and a U-shaped card block, the control panel is installed on the front side of the L-shaped positioning frame, the U-shaped card block is installed on the side of the limit plate away from the hinge, the positioning block is installed on the side of the storage box close to the driving mechanism, a hydraulic cylinder is arranged on the back of the positioning block, a fixed block is installed on the output end of the hydraulic cylinder, a spring is arranged on the lower surface of the fixed block, an L-shaped limit block is arranged at the lower end of the spring, and the control panel and the control end of the hydraulic cylinder are electrically connected.

[0013] Furthermore, a through hole is opened on the lower surface of the fixing block, and a limiting rod is slidably connected inside the through hole of the fixing block. The limiting rod is installed on the upper surface of the L-shaped limiting block, and the position of the limiting rod is located inside the spring.

[0014] Furthermore, the limiting mechanism includes two groups of L-shaped connecting plates, which are respectively installed on opposite sides of the L-shaped positioning frame and the support plate, and the inner side walls of the two groups of L-shaped connecting plates are installed with electric telescopic rods. The L-shaped positioning frame and the support plate are both provided with card slots inside, and the output ends of the two groups of electric telescopic rods are respectively passed through the L-shaped positioning frame and the internal card slots of the support plate and arc-shaped limiting blocks are installed, and the adjacent sides of the two groups of arc-shaped limiting blocks are installed with anti-slip pads.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The utility model starts a motor to drive the screw to rotate, so that the screw drives the fixed ring 2, the slider and the fixed ring 1 to move upward during the rotation, and moves the position adjustment of the batching mechanism to the upper end of the fire retardant coating mixing tank, and then pushes the L-shaped positioning frame and the fixed sleeve to rotate, so as to move the position adjustment of the top of the inner wall of the L-shaped positioning frame to the upper end of the fire retardant coating mixing tank, and move the position adjustment of the batching mechanism at the outer end of the fixed sleeve to the upper end of the feed port at the top of the fire retardant coating mixing tank, thereby reducing the need for subsequent staff to climb to the upper end of the fire retardant coating mixing tank when adding raw materials to the inside of the batching mechanism, thereby improving the practicality of the device.

[0017] 2. The utility model drives the batching mechanism to rotate out of the upper end of the fire-retardant coating mixing tank by pushing the fixed sleeve, and then drives the subsequent batching mechanism to move downward by starting the motor, so that the subsequent staff does not need to adjust the position of the mobile driving mechanism when adding raw materials into the batching mechanism, thereby reducing the labor consumed by the subsequent staff when adding raw materials into the batching mechanism, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top surface structure of the motor of the utility model;

[0020] Figure 3 It is a side structural diagram of the positioning mechanism of the utility model;

[0021] Figure 4 It is a side structural schematic diagram of the utility model.

[0022] 1. Driving mechanism; 101. L-shaped positioning frame; 102. Fixed sleeve; 103. Fixed rod; 104. Rotating rod; 105. Support plate; 106. Fixed ring one; 107. Connecting block; 108. Motor; 109. Screw; 110. Sliding block; 111. Fixed ring two; 2. Push handle; 3. Limiting mechanism; 301. L-shaped connecting plate; 302. Electric telescopic rod; 303. Arc-shaped limiting block; 304. Anti-slip pad; 4. Batching mechanism; 401. Fixed frame; 402. Storage box; 403. Limiting plate; 404. Hinge; 5. Positioning mechanism; 501. Control panel; 502. Positioning block; 503. Hydraulic cylinder; 504. Fixed block; 505. U-shaped block; 506. Spring; 507. L-shaped limiting block; 6. Limiting rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 on the present invention.

[0027] like Figures 1 to 4As shown, an automatic proportioning device for raw materials of fire retardant coatings includes a proportioning mechanism 4, the proportioning mechanism 4 includes two groups of fixed frames 401, the outer surfaces of the two groups of fixed frames 401 are installed with a driving mechanism 1 that drives itself to quickly rise and fall, and the left and right sides of the driving mechanism 1 are provided with a limit mechanism 3 that limits the moving range of the driving mechanism 1, and the interior of the proportioning mechanism 4 is provided with a positioning mechanism 5; specifically, by starting the driving mechanism 1 to drive the proportioning mechanism 4 to move, the position of the proportioning mechanism 4 is adjusted and moved to the upper end of the feed inlet at the top of the fire retardant coating stirring tank, thereby reducing the need for subsequent staff to climb to the upper end of the fire retardant coating stirring tank when adding raw materials to the proportioning mechanism 4, thereby improving the practicality of the device; by starting the positioning mechanism 5 and driving the material guide mechanism of the proportioning mechanism 4 to rotate under the action of gravity, the subsequent staff does not need to climb to the top of the fire retardant coating stirring tank to rotate the material guide mechanism of the proportioning mechanism 4 to export the accumulated raw materials inside the proportioning mechanism 4, thereby reducing the labor consumed by the subsequent staff when exporting the raw materials inside the proportioning mechanism 4, thereby improving the practicality of the device.

[0028] like Figure 1 , Figure 2 and Figure 4 As shown, the batching mechanism 4 includes a storage box 402 and a hinge 404. The upper surfaces of the two sets of fixing frames 401 are provided with card slots. The storage box 402 is slidably connected inside the card slots of the two sets of fixing frames 401. The lower surface of the storage box 402 is hinged to the limit plate 403 through the hinge 404.

[0029] The driving mechanism 1 includes an L-shaped positioning frame 101 and a supporting plate 105. A groove is provided at the top of the inner wall of the L-shaped positioning frame 101. A fixing rod 103 is rotatably connected inside the groove of the L-shaped positioning frame 101. A fixing sleeve 102 is installed on the lower surface of the fixing rod 103. A motor 108 is provided at the top of the inner wall of the fixing sleeve 102. A screw 109 is installed on the output shaft of the motor 108. A fixing ring 111 is connected to the outer thread of the screw 109. The fixing ring 111 is slidably connected to the inside of the fixing sleeve 102. A slider 110 is installed on the outer surface of the fixing ring 111. The fixing sleeve 102 A card slot is provided on the outer surface of the fixed sleeve 102, and the slider 110 is slidably connected to the inside of the card slot of the fixed sleeve 102. A fixed ring 106 is provided on the outer surface of the slider 110, and a connecting block 107 is installed on the outer surface of the fixed ring 106. Two sets of fixing frames 401 are installed on the side of the connecting block 107 away from the fixed ring 106. A rotating rod 104 is installed inside the bottom end of the fixed sleeve 102, and a groove is provided on the lower surface of the rotating rod 104. The support plate 105 is rotatably connected to the inside of the groove of the rotating rod 104, and the height of the lower surface of the L-shaped positioning frame 101 is parallel to the height of the lower surface of the support plate 105.

[0030] Specifically, the motor 108 is started to drive the screw 109 to rotate, so that the screw 109 drives the fixed ring 2 111, the slider 110 and the fixed ring 106 to move upward during the rotation, and the position adjustment of the batching mechanism 4 is moved to the upper end of the fire retardant coating mixing tank, and then the L-shaped positioning frame 101 and the fixed sleeve 102 are pushed to rotate, and the position adjustment of the top of the inner wall of the L-shaped positioning frame 101 is moved to the upper end of the fire retardant coating mixing tank, and the position adjustment of the batching mechanism 4 at the outer end of the fixed sleeve 102 is moved to the upper end of the feed port at the top of the fire retardant coating mixing tank. The upper end of the batching mechanism 4 is provided, thereby reducing the need for subsequent staff to climb to the upper end of the fire retardant coating mixing tank when adding raw materials to the batching mechanism 4, thereby improving the practicality of the device; by pushing the fixed sleeve 102 to drive the batching mechanism 4 to rotate out of the upper end of the fire retardant coating mixing tank, and then starting the motor 108 to push the subsequent batching mechanism 4 to move downward, it is made possible for subsequent staff to add raw materials to the batching mechanism 4 without adjusting the position of the mobile drive mechanism 1, thereby reducing the labor consumed by subsequent staff when adding raw materials to the batching mechanism 4, thereby improving the practicality of the device.

[0031] like Figure 1 and Figure 4 As shown, a push handle 2 is installed on the outer surface of the fixed sleeve 102; specifically, by pushing the push handle 2 to drive the fixed sleeve 102 to rotate, the staff can quickly adjust the position of the mobile batching mechanism 4 at the outer end of the fixed sleeve 102, thereby shortening the time spent by subsequent staff in adjusting the mobile batching mechanism 4, thereby improving the loading efficiency of the subsequent batching mechanism 4 when loading, thereby improving the practicality of the device.

[0032] As shown in Figure 1, Figure 2 and Figure 4 As shown, the positioning mechanism 5 includes a control panel 501, a positioning block 502 and a U-shaped block 505. The control panel 501 is installed on the front of the L-shaped positioning frame 101, the U-shaped block 505 is installed on the side of the limiting plate 403 away from the hinge 404, the positioning block 502 is installed on the side of the storage box 402 close to the driving mechanism 1, a hydraulic cylinder 503 is arranged on the back of the positioning block 502, a fixing block 504 is installed on the output end of the hydraulic cylinder 503, a spring 506 is arranged on the lower surface of the fixing block 504, and an L-shaped limiting block 507 is arranged at the lower end of the spring 506, and the control end of the control panel 501 and the hydraulic cylinder 503 are electrically connected;

[0033] Specifically, by operating the control panel 501, the hydraulic cylinder 503 is started to pull the fixed block 504 to move, and the position of the bottom of the inner wall of the L-shaped limit block 507 is adjusted to the inside of the U-shaped block 505, so that the spring 506 pulls the L-shaped limit block 507 to move upward, thereby disconnecting the L-shaped limit block 507 and the U-shaped block 505, and then the lower limit plate 403 is rotated along the hinge 404 at the lower end of the storage box 402 under the action of gravity, so that subsequent staff members do not need to climb to the top of the fire-retardant paint mixing tank to rotate the limit plate 403 to export the accumulated raw materials in the storage box 402, thereby reducing the labor consumed by subsequent staff members in exporting the raw materials inside the batching mechanism 4, thereby improving the practicability of the device.

[0034] like Figure 3 As shown, a through hole is provided on the lower surface of the fixed block 504, and a limiting rod 6 is slidably connected inside the through hole of the fixed block 504. The limiting rod 6 is installed on the upper surface of the L-shaped limiting block 507, and the position of the limiting rod 6 is located inside the spring 506; specifically, the limiting rod 6 is slidably connected to the inside of the through hole of the fixed block 504, so that the limiting rod 6 limits the moving path of the spring 506 during the process of pulling the L-shaped limiting block 507 to reset, thereby minimizing the subsequent bending of the spring 506 during long-term use, which may cause the positioning mechanism 5 to fail to work normally.

[0035] like Figure 1 and Figure 4 As shown, the limiting mechanism 3 includes two groups of L-shaped connecting plates 301, which are respectively installed on the opposite sides of the L-shaped positioning frame 101 and the support plate 105, and the inner side walls of the two groups of L-shaped connecting plates 301 are both installed with electric telescopic rods 302, and the insides of the L-shaped positioning frame 101 and the support plate 105 are both provided with card slots, and the output ends of the two groups of electric telescopic rods 302 are respectively passed through the card slots inside the L-shaped positioning frame 101 and the support plate 105 and arc-shaped limiting blocks 303 are installed, and the adjacent sides of the two groups of arc-shaped limiting blocks 303 are both installed with anti-slip pads 304;

[0036] Specifically, when the driving mechanism 1 is placed at the outer end of the fire-retardant coating stirring tank, the two groups of arc-shaped limit blocks 303 are pushed to move by starting the two groups of electric telescopic rods 302, and the adjacent sides of the two groups of arc-shaped limit blocks 303 are respectively abutted against the left and right sides of the fire-retardant coating stirring tank, so that the limit mechanism 3 limits the moving position of the driving mechanism 1 at the outer end of the fire-retardant coating stirring tank, thereby minimizing the movement of the subsequent L-shaped positioning frame 101 and the support plate 105 during use; the positions of the two groups of anti-skid pads 304 are set between the connection between the two groups of arc-shaped limit blocks 303 and the fire-retardant coating stirring tank, so that the two groups of arc-shaped limit blocks 303 increase the friction between the adjacent sides of the two groups of arc-shaped limit blocks 303 and the contact surface of the fire-retardant coating stirring tank through the two groups of anti-skid pads 304, thereby minimizing the rotation of the two groups of arc-shaped limit blocks 303 at the outer end of the fire-retardant coating stirring tank during use, thereby improving the stability of the limit mechanism 3 during use.

[0037] In summary: by starting the motor 108 to drive the screw 109 to rotate, the screw 109 drives the fixed ring 2 111, the slider 110 and the fixed ring 106 to move upward during the rotation, and the position adjustment of the batching mechanism 4 is moved to the upper end of the fire retardant coating mixing tank, and then by pushing the L-shaped positioning frame 101 and the fixed sleeve 102 to rotate, the position adjustment of the top of the inner wall of the L-shaped positioning frame 101 is moved to the upper end of the fire retardant coating mixing tank, and the position adjustment of the batching mechanism 4 at the outer end of the fixed sleeve 102 is moved to the upper end of the top feed port of the fire retardant coating mixing tank, thereby reducing the need for subsequent staff to climb to the upper end of the fire retardant coating mixing tank when adding raw materials to the batching mechanism 4; by pushing the fixed sleeve 102 to drive the batching mechanism 4 to rotate out of the upper end of the fire retardant coating mixing tank, and then by starting the motor 108 to push the subsequent batching mechanism 4 to move downward, it is no longer necessary for subsequent staff to adjust the position of the mobile drive mechanism 1 when adding raw materials to the batching mechanism 4.

[0038] At the same time, the hydraulic cylinder 503 is started by operating the control panel 501 to pull the fixed block 504 to move, and the position adjustment of the inner wall bottom of the L-shaped limit block 507 is moved to the inside of the U-shaped block 505, so that the spring 506 pulls the L-shaped limit block 507 to move upward, thereby disconnecting the L-shaped limit block 507 and the U-shaped block 505, and then the limit plate 403 is rotated along the hinge 404 at the lower end of the storage box 402 by gravity, so that subsequent staff do not need to climb to the top of the fire retardant coating mixing tank to rotate the limit plate 4 03 export the accumulated raw materials inside the storage box 402, thereby reducing the labor consumed by subsequent staff when exporting the raw materials inside the batching mechanism 4; by starting the two sets of electric telescopic rods 302 to push the two sets of arc-shaped limit blocks 303 to move, the adjacent sides of the two sets of arc-shaped limit blocks 303 are respectively abutted against the left and right sides of the fire-retardant coating mixing tank, so that the limit mechanism 3 limits the moving position of the driving mechanism 1 at the outer end of the fire-retardant coating mixing tank, thereby avoiding the subsequent L-shaped positioning frame 101 and the support plate 105 from moving during use.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic proportioning device for raw materials of fire retardant coatings, comprising a proportioning mechanism (4), characterized in that: The batching mechanism (4) comprises two groups of fixed frames (401), the outer surfaces of the two groups of fixed frames (401) are equipped with driving mechanisms (1) for driving themselves to be quickly lifted and lowered, and the left and right sides of the driving mechanism (1) are provided with limit mechanisms (3) for limiting the moving range of the driving mechanism (1), and the interior of the batching mechanism (4) is provided with a positioning mechanism (5), and the batching mechanism (4) comprises a storage box (402) and a hinge (404), and the upper surfaces of the two groups of fixed frames (401) are provided with card slots, and the storage box (402) is slidably connected to the inside of the card slots of the two groups of fixed frames (401), and the lower surface of the storage box (402) is hinged to a limit plate (403) through the hinge (404); The driving mechanism (1) comprises an L-shaped positioning frame (101) and a supporting plate (105); a groove is provided at the top of the inner wall of the L-shaped positioning frame (101); a fixing rod (103) is rotatably connected to the inside of the groove of the L-shaped positioning frame (101); a fixing sleeve (102) is installed on the lower surface of the fixing rod (103); a motor (108) is provided at the top of the inner wall of the fixing sleeve (102); a screw rod (109) is installed on the output shaft of the motor (108); a fixing ring (111) is connected to the outer thread of the screw rod (109); the fixing ring (111) is slidably connected to the inside of the fixing sleeve (102); a slider (110) is installed on the outer surface of the fixing ring (111); the fixing sleeve (102) ) is provided with a slot on its outer surface, the slider (110) is slidably connected to the inside of the slot of the fixed sleeve (102), the slider (110) is provided with a fixed ring (106) on its outer surface, a connecting block (107) is installed on the outer surface of the fixed ring (106), two groups of fixing frames (401) are installed on the side of the connecting block (107) away from the fixed ring (106), a rotating rod (104) is installed inside the bottom end of the fixed sleeve (102), a groove is provided on the lower surface of the rotating rod (104), the support plate (105) is rotatably connected to the inside of the groove of the rotating rod (104), and the height of the lower surface of the L-shaped positioning frame (101) is kept parallel to the height of the lower surface of the support plate (105); The positioning mechanism (5) comprises a control panel (501), a positioning block (502) and a U-shaped clamping block (505); the control panel (501) is mounted on the front of the L-shaped positioning frame (101); the U-shaped clamping block (505) is mounted on a side of the limiting plate (403) away from the hinge (404); the positioning block (502) is mounted on a side of the storage box (402) close to the driving mechanism (1); a hydraulic cylinder (503) is arranged on the back of the positioning block (502); a fixing block (504) is installed at the output end of the hydraulic cylinder (503); a spring (506) is arranged on the lower surface of the fixing block (504); an L-shaped limiting block (507) is arranged at the lower end of the spring (506); the control panel (501) ) and the control end of the hydraulic cylinder (503), the limiting mechanism (3) comprising two groups of L-shaped connecting plates (301), the two groups of L-shaped connecting plates (301) being respectively mounted on opposite sides of the L-shaped positioning frame (101) and the support plate (105), the inner side walls of the two groups of L-shaped connecting plates (301) being both mounted with electric telescopic rods (302), the interiors of the L-shaped positioning frame (101) and the support plate (105) being both provided with card slots, the output ends of the two groups of electric telescopic rods (302) being respectively passed through the card slots inside the L-shaped positioning frame (101) and the support plate (105) and being mounted with arc-shaped limiting blocks (303), and the adjacent sides of the two groups of arc-shaped limiting blocks (303) being both mounted with anti-slip pads (304).

2. The automatic proportioning device for raw materials of fire retardant coating according to claim 1, characterized in that: A push handle (2) is installed on the outer surface of the fixed sleeve (102).

3. The automatic proportioning device for raw materials of fire retardant coating according to claim 1, characterized in that: A through hole is provided on the lower surface of the fixing block (504), and a limiting rod (6) is slidably connected inside the through hole of the fixing block (504). The limiting rod (6) is mounted on the upper surface of the L-shaped limiting block (507), and the limiting rod (6) is located inside the spring (506).

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