Eccentric wheel driving structure for fireproof coating spraying machine

Abstract

The utility model discloses an eccentric wheel driving structure for a fireproof coating spraying machine, which comprises an eccentric wheel structure, a plunger operating structure is arranged below the eccentric wheel structure, the eccentric wheel structure comprises a speed reducing motor, the output end of the speed reducing motor is directly connected with a centering shaft, and a motor flange is arranged on the outer diameter surface of the centering shaft and positioned on one side of the speed reducing motor. An eccentric flywheel sleeves the outer diameter surface of the middle of the centering shaft, bearing sleeves sleeve the outer diameter surfaces of the two ends of the centering shaft, fixing plates are fixed to the outer sides of the bearing sleeves, and the fixing plates are fixedly connected with the gear motor through bolts; the driving mode of a traditional fireproof coating spraying machine is hydraulic driving which is low in energy efficiency transmission, large in energy consumption, complex in structure and operation and high in manufacturing cost, a plunger pump can be indirectly controlled to reciprocate only by controlling oil pressure, and the eccentric wheel driving device is simple in structure, convenient to operate and low in manufacturing cost. And the manufacturing cost is greatly reduced, and the spraying quality and efficiency can be effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spraying equipment technical field especially, it relates to a fire retardant coating spraying machine eccentric wheel drive structure. BACKGROUND

[0002] Fire retardant coating spraying machine is a special coating equipment using spraying technology, and its principle is to control airflow to push the gas reversing device to reverse, so that the plunger pump makes stable and continuous reciprocating motion, and the coating is pressurized, and the coating is delivered to the spray gun of the spraying machine through the high-pressure hose, and the coating is released to the surface of the coated object after being atomized by the spray gun, which is mainly composed of a cylinder driving device, a coating pressurizing device, a running control device, a feeding device and a spray gun atomizing device, and is suitable for various occasions such as building surface, steel structure surface fire retardant coating spraying construction.

[0003] The driving mode of the traditional coating spraying machine plunger pump is usually hydraulic driving, and although this driving mode has high output intensity and strong load, it has complex structure, high manufacturing cost, and poor energy efficiency application, and when it is applied to fine control spraying operation, it also has certain influence on accuracy and flexibility, therefore, the utility model aims to design a fire retardant coating spraying machine eccentric wheel drive structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a fire retardant coating spraying machine eccentric wheel drive structure to solve the problems of complex driving structure, high manufacturing cost and poor energy efficiency application of the traditional coating spraying machine plunger pump.

[0005] The utility model discloses a following technical scheme to realize above-mentioned purpose: including eccentric wheel structure, the plunger operation structure is equipped below eccentric wheel structure, and the eccentric wheel structure includes the reduction motor, and the reduction motor output end is directly connected with the center shaft, and the outer diameter surface of center shaft and the position of one side of reduction motor are equipped with motor flange, and the eccentric flywheel is equipped with in the outer diameter surface of center shaft middle, and the outer diameter surface of both ends of center shaft is all equipped with bearing sleeve, and the fixed plate is all fixed with outside of bearing sleeve, and the fixed plate is fixedly connected with reduction motor through bolt, and the top and bottom of fixed plate are equipped with top plate and bottom plate respectively, and they all are fixedly connected through bolt, and still be equipped with several equal length's cylinder block through bolt mode fixed between fixed plate, and the outer diameter surface of eccentric flywheel is equipped with first bearing, and the inner diameter of first bearing is fixed through snap spring, and the outer diameter of first bearing is fixed through baffle ring, and the outer diameter surface of bearing sleeve is all equipped with second bearing, and center shaft is fixed on fixed plate through second bearing and makes concentric rotation, and one end of center shaft away from reduction motor is equipped with shaft end baffle, and the position of one side of second bearing and outside of shaft end baffle is equipped with bearing baffle, and the outer diameter surface of first bearing is equipped with round connector, and the connecting sleeve is equipped below round connector, and the connecting sleeve is connected through short shaft gap between round connector, and the third bearing is equipped at the rotary joint of short shaft outer diameter surface, and the guide pin washer is equipped on both sides of third bearing, and the fourth bearing is equipped on both ends of short shaft, and the fourth bearing is all fixed in the U type groove of fixed plate and makes up and down centering motion.

[0006] Further, the plunger operation structure includes a plunger rod, a sealing ring is sleeved on the plunger rod, a flange nut is arranged below the sealing ring, a pump body is sleeved on the outer diameter surface of the plunger rod, a feed inlet is formed in the bottom of the pump body, a suction valve sleeve is directly connected below the feed inlet, a first alloy ball is arranged at the upper end of the suction valve sleeve, and a pump body connecting sleeve is sleeved on the outer diameter surface of the bottom of the pump body and located above the first alloy ball.

[0007] Beneficial effects: 1. The driving mode of the traditional fireproof coating spraying machine is hydraulic driving. The energy efficiency transmission of this driving mode is low, the energy consumption is large, and the oil pressure needs to be controlled to indirectly control the reciprocating motion of the plunger pump. The structure and operation are complex, the manufacturing cost is high, the eccentric wheel driving structure of the utility model is simple, convenient to operate, and the manufacturing cost is greatly reduced. The spraying quality and efficiency can be effectively guaranteed.

[0008] 2. Compared with the traditional driving mode, the eccentric wheel structure can play a buffering and damping role, reduce the impact and vibration of the spraying work on the system, reduce the impact and vibration of the system during long-time work, reduce the maintenance cost, and the manufacturing cost is also low. A large amount of resources can be saved for production. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 The utility model structure schematic view

[0010] Figure 2 As Figure 1 Enlarged view of A part in the middle;

[0011] Figure 3 As Figure 1 Enlarged view of B part in the middle;

[0012] Figure 4 As the eccentric structure of the utility model is exploded;

[0013] Figure 5 As the plunger running structure schematic view of the utility model.

[0014] In the figure: 1-eccentric structure, 2-plunger running structure;

[0015] 11-reduction motor, 12-centering shaft, 13-motor flange, 14-eccentric flywheel, 15-bearing sleeve, 16-fixed plate, 17-top plate, 18-bottom plate, 19-cylindrical block, 110-first bearing, 111-clamp spring, 112-retaining ring, 113-second bearing, 114-shaft end baffle, 115-bearing baffle, 116-round connector, 117-connection sleeve, 118-short shaft, 119-third bearing, 120-guiding pin washer, 121-fourth bearing;

[0016] 21-plunger rod, 22-sealing ring, 23-flange nut, 24-pump body, 25-feed inlet, 26-suction valve sleeve, 27-first alloy ball, 28-pump body connecting sleeve. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Combined Figures 1-5The eccentric wheel driving structure of the fireproof coating spraying machine shown comprises an eccentric wheel structure 1, the outside of the eccentric wheel structure 1 is integrally sleeved with a protective shell, which plays a dustproof role on the eccentric wheel structure 1, a plunger running structure 2 is arranged below the eccentric wheel structure 1, and the working principle of the eccentric wheel structure 1 and the plunger running structure 2 is that the eccentric wheel structure 1 controls the reciprocating motion of the plunger running structure 2 by adjusting the eccentricity, so that precise motion and positioning are more easily realized, the spraying efficiency is improved, in addition, since the eccentric wheel structure can evenly distribute mechanical load and reduce wear, the service life of the spraying machine as a whole can be prolonged, the driving mode of a traditional fireproof coating spraying machine is usually hydraulic driving, the energy efficiency transmission of this driving mode is low, the energy consumption is large, the plunger pump needs to be indirectly controlled to reciprocate by controlling the oil pressure, the structure and operation are complex, and the manufacturing cost is also high, while the eccentric wheel driving structure of the utility model is simple in structure, convenient to operate, greatly reduces the manufacturing cost, can effectively guarantee the spraying quality and efficiency, in addition, the eccentric wheel structure 1 can play a buffering and damping role, reduce the impact and vibration of the system during spraying work, reduce the impact and vibration of the system during long-time work, reduce the maintenance cost, and at the same time, the manufacturing cost is also low, a large amount of resources can be saved for production.

[0019] The eccentric wheel structure 1 includes a speed reducer motor 11, specifically a double curved gear reducer, which can effectively convert the high speed of the motor into the required slower speed and greater torque, and this precise speed adjustment can ensure the uniform distribution of the sprayed material, and the output end of the speed reducer motor 11 is directly connected with a centering shaft 12, the outer diameter surface of the centering shaft 12 and located on one side of the speed reducer motor 11 is provided with a motor flange 13, the eccentric flywheel 14 is sleeved on the outer diameter surface of the centering shaft 12, the outer diameter surfaces of both ends of the centering shaft 12 are sleeved with bearing sleeves 15, the outer sides of the bearing sleeves 15 are fixedly provided with fixed plates 16, the fixed plates 16 are fixedly connected with the speed reducer motor 11 through bolts, the top plate 17 and the bottom plate 18 are respectively arranged at the top end and the bottom end of the fixed plate 16, and they are fixedly connected through bolts, a plurality of equal-length cylindrical blocks 19 are fixedly arranged between the fixed plates 16 in a bolted manner, the first bearing 110 is sleeved on the outer diameter surface of the eccentric flywheel 14, the inner diameter of the first bearing 110 is fixed through the snap spring 111, the outer diameter of the first bearing 110 is fixed through the retainer 112, the outer diameter surfaces of the bearing sleeves 15 are sleeved with the second bearings 113, the centering shaft 12 is fixed on the fixed plate 16 through the second bearings 113 and rotates concentrically, the shaft end baffle 114 is arranged at the end of the centering shaft 12 away from the speed reducer motor 11, the bearing baffle 115 is arranged at the position outside the shaft end baffle 114 on one side of the second bearing 113, the circular connecting piece 116 is sleeved on the outer diameter surface of the first bearing 110, the connecting sleeve 117 is arranged below the circular connecting piece 116, the connecting sleeve 117 and the circular connecting piece 116 are connected through the short shaft 118, the third bearing 119 is arranged at the rotating connection position of the outer diameter surface of the short shaft 118, the guide pin washer 120 is arranged on both sides of the third bearing 119, the fourth bearings 121 are arranged at both ends of the short shaft 118, and the fourth bearings 121 are fixedly arranged in the U-shaped groove arranged on the fixed plate 16 and move up and down, the plunger operating structure 2 includes a plunger rod 21, the sealing ring 22 is sleeved on the plunger rod 21, the flange nut 23 is arranged below the sealing ring 22, the pump body 24 is sleeved on the outer diameter surface of the plunger rod 21 below, the pump body 24 is provided with the feed inlet 25 at the bottom, the suction valve sleeve 26 is directly connected below the feed inlet 25, the first alloy ball 27 is arranged at the upper end in the suction valve sleeve 26, the pump body connecting sleeve 28 is sleeved on the outer diameter surface of the pump body 24 and located above the first alloy ball 27, and in general, the problems of the complex driving structure, high manufacturing cost and poor energy efficiency of the traditional coating spraying machine plunger pump can be solved.

[0020] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0021] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. An eccentric wheel drive structure for a fire-retardant coating spraying machine, characterized in that: It includes an eccentric wheel structure (1), and a plunger running structure (2) is provided below the eccentric wheel structure (1); The eccentric wheel structure (1) includes a geared motor (11), the output end of which is directly connected to a centering shaft (12). A motor flange (13) is provided on the outer diameter surface of the centering shaft (12) and located on one side of the geared motor (11). An eccentric flywheel (14) is fitted onto the middle outer diameter surface of the centering shaft (12). Bearing sleeves (15) are fitted onto the outer diameter surfaces of both ends of the centering shaft (12). Fixing plates (16) are fixed to the outer sides of the bearing sleeves (15). The fixing plates (16) are connected to the eccentric flywheel structure (11) by bolts. The geared motor (11) is fixedly connected. The top and bottom ends of the fixing plate (16) are respectively provided with a top plate (17) and a bottom plate (18), which are fixedly connected by bolts. Several cylindrical blocks (19) of equal length are also fixed between the fixing plates (16) by bolts. The outer diameter surface of the eccentric flywheel (14) is fitted with a first bearing (110). The inner diameter of the first bearing (110) is fixed by a snap ring (111), and the outer diameter of the first bearing (110) is fixed by a retaining ring (112). The outer diameter surface of the bearing sleeve (15) is fitted with a second bearing (113). The centering shaft (12) is fixed to the fixing plate (16) through the second bearing (113) and rotates concentrically. The end of the centering shaft (12) away from the geared motor (11) is provided with a shaft end baffle (114). A bearing baffle (115) is provided on one side of the second bearing (113) and outside the shaft end baffle (114). The outer diameter surface of the first bearing (110) is fitted with a circular connector (116). A connecting sleeve (117) is provided below the connector (116). The connecting sleeve (117) and the circular connector (116) are connected by a short shaft (118) with a gap. A third bearing (119) is provided at the rotating connection of the outer diameter surface of the short shaft (118). Guide pin washers (120) are provided on both sides of the third bearing (119). A fourth bearing (121) is provided at both ends of the short shaft (118). The fourth bearings (121) are fixed in the U-shaped groove opened on the fixed plate (16) and make up-down centering movements.

2. The eccentric wheel drive structure for a fire-retardant coating spraying machine according to claim 1, characterized in that: The plunger operating structure (2) includes a plunger rod (21), a sealing ring (22) is fitted on the plunger rod (21), a flange nut (23) is provided below the sealing ring (22), a pump body (24) is fitted on the lower outer diameter surface of the plunger rod (21), a feed port (25) is opened at the bottom of the pump body (24), a suction valve sleeve (26) is directly connected below the feed port (25), a first alloy ball (27) is provided at the upper end of the inside of the suction valve sleeve (26), and a pump body connecting sleeve (28) is fitted on the bottom outer diameter surface of the pump body (24) and above the first alloy ball (27).

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