CN210304248U

CN210304248U - Paint spraying device for elevator diversion sheave

Info

Publication number: CN210304248U
Application number: CN201921263659.0U
Authority: CN
Inventors: 邢赞; 王晓辉
Original assignee: Xiayi Huaihai Elevator Casting Co ltd
Current assignee: Xiayi Huaihai Elevator Casting Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-14
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a paint spraying device for a diversion sheave of an elevator, which effectively solves the problems of uneven spraying caused by the flowing of paint on the sprayed end surface during the overturning in the paint spraying process of the diversion sheave and easy damage to the sprayed surface in the rotating process; the technical scheme of its solution is including ability pivoted rolling disc, the circumference equipartition has the clamping device of a plurality of clamping diverting pulleys on the outer fringe face of rolling disc, diverting pulley overturns 180 earlier before spraying paint, enter into the heating and drying in the unmovable arc heating device along with the rolling disc after having spouted lacquer as an end surface, treat after the spraying end surface is dried again with diverting pulley upset 180 to another end surface spray paint, then enter into the heating and drying in the arc heating device again, the diverting pulley of spraying completion is pulled down from clamping device, according to the clamping, the upset, the spraying, it is dried, the upset, the spraying, dry, cool off, the processing order of dismantling sprays paint the processing to diverting pulley.

Description

Paint spraying device for elevator diversion sheave

Technical Field

The utility model relates to a machine tooling technical field, especially an elevator diverting pulley paint spraying apparatus.

Background

The elevator diverting pulley is a movable pulley arranged at the upper parts of the car frame and the counterweight frame, and the traction rope can form different traction ratios by bypassing the diverting pulley so as to reduce the output power and the moment of the traction machine; the outer edge surface of the diversion sheave is a working surface, a plurality of annular grooves are arranged on the outer edge surface for winding the traction rope, and the diversion sheave is contacted with the atmosphere when in work, so that the diversion sheave can be painted on the parts except the working surface and the mounting hole, namely two end surfaces of the diversion sheave, in order to prevent the diversion sheave from being corroded and rusted; the traditional mode of spraying paint of diversion sheave divide into two processes of spraying and stoving, because two terminal surfaces of diversion sheave all need spray paint, consequently need overturn the diversion sheave at the in-process of spraying, during the upset diversion sheave, the paint on the terminal surface that has sprayed can flow on this terminal surface owing to not solidifying, it is inhomogeneous to cause the paint thickness on this terminal surface, diversion sheave after the spraying still need take the stoving, will destroy the spraying face at the in-process of transporting drying equipment carelessly a little, influence spraying quality and pleasing to the eye.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides an elevator diverting pulley paint spraying apparatus, the effectual spraying that has solved the diverting pulley paint spraying in-process because the paint on the spraying terminal surface flows and cause when the upset is uneven with the rotation in-process destroy the problem of spraying the face easily.

The technical scheme for solving the problems is as follows: the rotary table comprises a platform, a rotary disc capable of rotating is mounted on the platform, a plurality of rotary shafts with one ends extending out of the outer edge surface of the rotary disc are inserted in the outer edge surface of the rotary disc along the radial direction of the rotary disc, the circumferences of the plurality of rotary shafts are uniformly distributed on the outer edge surface of the rotary disc, each rotary shaft can rotate around the central axis of the rotary disc, one end of each rotary shaft extending out of the rotary disc is fixed with a clamping device, each rotary shaft is sleeved with a bevel gear, an arc-shaped rack which is coaxial with the rotary disc and can be meshed with the plurality of bevel gears in sequence is fixed on the platform, and the corresponding rotary shaft rotates 180 degrees around the central axis of the rotary shaft in the process that each; the outer side of the rotating disc is covered with an arc-shaped heating device which is coaxial with the rotating disc and is fixed, the inner arc surface of the arc-shaped heating device is opposite to the inner arc surface of the arc-shaped rack, and when the rotating disc rotates, the clamping device can sequentially pass through the heating device.

The utility model discloses processing according to the processing order of clamping, upset, spraying, stoving, upset, spraying, stoving, cooling, dismantlement sprays paint to the diverting pulley, has solved the problem that the spraying face was destroyed easily in the uneven and the transportation of spraying that causes of the paint flow on the spraying terminal surface when the switching in-process was sprayed paint to the diverting pulley.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a partially enlarged view of a region a in fig. 1 according to the present invention.

Fig. 3 is a sectional view of the present invention taken along the direction B-B in fig. 1.

Fig. 4 is a partially enlarged view of the area C in fig. 3 according to the present invention.

Fig. 5 is a plan view of the present invention shown in fig. 1, with the heating device and the diverting pulley removed.

Fig. 6 is a partially enlarged view of the area D in fig. 5 according to the present invention.

Fig. 7 is a cross-sectional view taken along the direction E-E in fig. 5 according to the present invention.

Fig. 8 is a schematic layout view of the heating pipes on the upper end surface of the arc-shaped casing of the present invention.

In the above figures, 16 denotes a diverting pulley.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be known from fig. 1 to 8, the utility model discloses a platform 1, platform 1 is equipped with one and can pivoted rolling disc 2, the radial cartridge along rolling disc 2 on the outer fringe face of rolling disc 2 has a plurality of one end to stretch out the axis of rotation 3 of 2 outer fringe faces of rolling disc, a plurality of 3 circumference equipartitions of axis of rotation are on the outer fringe face of rolling disc 2, every axis of rotation 3 can rotate around self central axis, the one end that every axis of rotation 3 stretches out rolling disc 2 is fixed with a clamping device, every axis of rotation 3 is gone up to overlap has a bevel gear 4, platform 1 is fixed with one and is coaxial with rolling disc 2 and can be in proper order with the arc rack 5 of a plurality of bevel gear 4 meshing, every bevel gear 4 makes corresponding axis of rotation 3 rotate 180 around self central axis with the in-process of arc rack 5 meshing; the outer side of the rotating disc 2 is covered with an arc-shaped heating device which is coaxial with the rotating disc 2 and is fixed, the inner arc surface of the arc-shaped heating device is opposite to the inner arc surface of the arc-shaped rack 5, and when the rotating disc 2 rotates, the clamping device can sequentially pass through the inside of the heating device.

In order to realize that the rotating disc 2 rotates around the central axis of the rotating disc, a vertical mandrel 6 is inserted on the platform 1, the upper end of the mandrel 6 is inserted in the central position of the rotating disc 2, the lower end of the mandrel 6 is connected with a low-speed motor, the mandrel 6 is in key connection with the rotating disc 2, the mandrel 6 is connected with the platform 1 through a bearing, the low-speed motor drives the mandrel 6 to rotate, and the mandrel 6 and the rotating disc 2 rotate around the central axis of the rotating disc.

The clamping device comprises a U-shaped plate 7 and two semicircular arc plates 8 with opposite inner arc surfaces, one ends of the two arc plates 8 are respectively hinged in the U-shaped plate 7, the other ends of the two arc plates 8 can be buckled together through a buckle 9 to enable the two arc plates 8 to form a circular structure, and semicircular bulges matched with annular grooves on the outer edge surface of the rope pulley 16 are respectively arranged on the inner arc surfaces of the two arc plates 8; the bottom surface of U-shaped plate 7 is fixed in the one end that axis of rotation 3 stretches out rolling disc 2, carry out clamping or dismantlement to diverting pulley 16, the lock end of every arc 8 is equipped with protruding piece, also be equipped with protruding piece on buckle 9's the inner wall, extrude the protruding piece inboard of the arc 8 that corresponds with buckle 9 and make two arcs 8 lock together, carry out the centre gripping to diverting pulley 16, it makes two arcs 8 open to take off buckle 9, install the buckle and make two arcs 8 lock together and carry out the centre gripping to diverting pulley 16, when spraying paint to diverting pulley 16's terminal surface, because diverting pulley 16's working face is arranged in clamping device promptly diverting pulley 16's outer fringe face, consequently can avoid paint to spout on diverting pulley 16's the working face.

In order to realize that when the rotating disc 2 rotates, the clamping devices can sequentially pass through the heating device, an annular groove close to the outer edge surface of the rotating disc 2 is arranged on the upper end surface of the rotating disc 2, the arc-shaped heating device comprises an arc-shaped shell 10 which is coaxial with the rotating disc 2 and has two open ends, an arc-shaped slider 11 arranged in the annular groove is fixed on the upper end surface of the arc-shaped shell 10, balls 12 in contact with the bottom surface of the annular groove are arranged at the bottom of the arc-shaped slider 11, the lower end of the arc-shaped shell 10 is fixed on the platform 1, a heating pipe 13 is fixed on the upper end surface of the inner cavity of the arc-shaped shell 10, the heating pipe 13 is in an arc shape concentric with the upper end surface of the arc-shaped shell 10, and multiple layers are arranged; when the rotating disc 2 is driven by a low-speed motor to rotate around the central axis of the rotating disc 2, a plurality of rotating shafts 3 arranged on the outer edge surface of the rotating disc 2 through bearings rotate synchronously with the rotating disc 2, clamping devices fixed on the rotating shafts 3 sequentially pass through the inner cavity of the arc-shaped shell 10, and the heating pipe 13 heats a diversion sheave 16 clamped by the clamping devices arranged in the inner cavity of the arc-shaped shell 10; the bottom of the arc-shaped sliding block 11 is provided with a ball 12 to change the sliding connection between the arc-shaped sliding block 11 and the annular groove into rolling connection, so that the friction between the arc-shaped sliding block 11 and the annular groove is reduced.

Platform 1 on be fixed with one and arrange the major arc support frame of clamping device below in, the major arc support frame is including arranging first major arc pole 14 and the major arc pole 15 on the same horizontal plane in, first major arc pole 14 and the major arc pole 15 of second and rolling disc 2 are coaxial, the hinged end and the first major arc pole 14 contact of every arc 8, the lock end and the major arc pole 15 of every arc 8, first major arc pole 14 and the major arc pole 15 of second are fixed on platform 1 through a plurality of backup pads, the both ends of major arc support frame are arranged the both sides of arc rack 5 respectively, the major arc support makes clamping device keep horizontal migration when following the rotation of rolling disc 2, do not influence clamping device simultaneously and locate the upset at the position of arc rack 5.

The utility model discloses a concrete working process is: the heating pipe 13 is connected with a power supply, the heating pipe 13 begins to emit heat to preheat the arc-shaped heating device, the buckle 9 is taken down to open the two arc-shaped plates 8 of the clamping device, the diversion sheave 16 to be sprayed is clamped on the clamping device, then the buckle 9 is installed to clamp the diversion sheave 16 to be sprayed by the clamping device, and the low-speed motor is started after the temperature in the arc-shaped heating device is stable; the low-speed motor drives the rotating disc 2 to rotate through the mandrel 6, the rotating shaft 3 which is evenly distributed on the outer edge surface of the rotating disc 2 in the circumference and the clamping device which is fixed on the rotating shaft 3 synchronously rotate with the rotating disc 2, the rotating shaft 3 is connected with the rotating disc 2 through a bearing, the rotating shaft 3 is connected with the bevel gear 4 through a key, the arc-shaped rack 5 is fixed on the platform 1 through a fixing plate, when the bevel gear 4 sleeved on the rotating shaft 3 starts to be meshed with the arc-shaped rack 5, along with the rotation of the rotating disc 2, the bevel gear 4 starts to rotate about the central axis of the rotary shaft 3, together with the corresponding rotary shaft 3 and the holding means fixed to the rotary shaft 3, and, when the bevel gear 4 is disengaged from the arc-shaped rack 5, the bevel gear 4, the corresponding rotating shaft 3 and the clamping device rotate 180 degrees around the central axis of the rotating shaft 3, namely, the diverting pulley 16 clamped on the clamping device completes one turn; the turned diversion sheave 16 is arranged on the upper end face and is painted, the sprayed diversion sheave 16 synchronously rotates around the central axis of the rotating disc 2 along with the rotating disc 2 and sequentially enters the arc-shaped shell 10 of the arc-shaped heating device, and the heating pipe 13 fixed on the upper end face of the inner cavity of the arc-shaped shell 10 heats the upper end face, namely the sprayed end face, of the diversion sheave 16, so that the paint on the sprayed end face is gradually solidified.

When the turning disc 2 drives the diverting pulley 16 to rotate out of the arc-shaped heating device, the paint on the spraying surface of the diverting pulley 16 is completely solidified, when the diverting pulley 16 rotates to the position of the arc-shaped rack 5 again, the corresponding bevel gear 4 is meshed with the arc-shaped rack 5 to turn over the diverting pulley 16 again, the sprayed end surface of the diverting pulley 16 is turned over to the lower part, the non-sprayed end surface is turned over to the upper part, the non-sprayed end surface of the diverting pulley 16 is sprayed with paint, then the diverting pulley enters the arc-shaped heating device again under the driving of the turning disc 2, when the diverting pulley 16 is driven by the turning disc 2 to rotate out of the arc-shaped heating device, the paint on the two end surfaces of the diverting pulley 16 is solidified, the sprayed diverting pulley 16 can be detached from the clamping device after being cooled slightly, and then the diverting pulley 16 to be sprayed is clamped on the clamping device.

Each diversion sheave 16 needs to rotate for two circles along with the rotating disc 2 when finishing the spraying of two end surfaces, and the corresponding bevel gear 4 and the arc-shaped rack 5 are meshed twice, so that the diversion sheaves 16 finish two turns and enter the arc-shaped heating device for heating and drying twice; the processing sequence of the spray painting of the diversion sheave 16 is as follows: clamping, overturning, spraying, drying, cooling and disassembling.

The device has the advantages that: when one end surface of the diversion sheave 16 is not sprayed, the diversion sheave 16 is heated by the arc-shaped heating device, so that the paint on the sprayed end surface of the diversion sheave 16 is solidified on the diversion sheave 16, and then the other end surface is sprayed in a turning way, thereby avoiding the flow of the paint on the sprayed surface when the diversion sheave 16 is turned over because the paint is not solidified; every time the diversion sheave 16 is sprayed, one end face of the diversion sheave can enter the heating device along with the rotating disc 2 to be heated and dried, so that the processes of disassembling the clamping device and transferring are omitted, and the sprayed end face is prevented from being damaged.

Claims

1. The paint spraying device for the elevator diversion sheave comprises a platform (1), and is characterized in that a rotary disc (2) capable of rotating is mounted on the platform (1), a plurality of rotary shafts (3) with one ends extending out of the outer edge surface of the rotary disc (2) are radially inserted into the outer edge surface of the rotary disc (2) in the radial direction of the rotary disc (2), the plurality of rotary shafts (3) are circumferentially and uniformly distributed on the outer edge surface of the rotary disc (2), each rotary shaft (3) can rotate around the central axis of the rotary disc, a clamping device is fixed at one end of each rotary shaft (3) extending out of the rotary disc (2), a bevel gear (4) is sleeved on each rotary shaft (3), an arc-shaped rack (5) which is coaxial with the rotary disc (2) and can be meshed with the plurality of bevel gears (4) in sequence is fixed on the platform (1), and the corresponding rotary shaft (3) can rotate 180 degrees around the central axis of the rotary disc in the meshing process of each bevel gear (4) and the arc; the outer side of the rotating disc (2) is covered with an arc-shaped heating device which is coaxial with the rotating disc (2) and is fixed, the inner arc surface of the arc-shaped heating device is opposite to the inner arc surface of the arc-shaped rack (5), and when the rotating disc (2) rotates, the clamping device can sequentially pass through the inside of the heating device.

2. The paint spraying device for the elevator diversion sheave according to claim 1, wherein a vertical mandrel (6) is inserted on the platform (1), the upper end of the mandrel (6) is inserted in the center of the rotating disc (2), the lower end of the mandrel (6) is connected with a low-speed motor, the mandrel (6) is connected with the rotating disc (2) through a key, and the mandrel (6) is connected with the platform (1) through a bearing.

3. The paint spraying device for the elevator diverting pulley according to claim 1, characterized in that the clamping device comprises a U-shaped plate (7) and two semicircular arc plates (8) with opposite inner arc surfaces, one ends of the two arc plates (8) are respectively hinged in the U-shaped plate (7), the other ends of the two arc plates (8) can be buckled together through a buckle (9) to enable the two arc plates (8) to form a circular structure, and the inner arc surfaces of the two arc plates (8) are respectively provided with semicircular bulges matched with the annular grooves on the outer edge surface of the diverting pulley (16).

4. The paint spraying device for the elevator diversion sheave according to claim 1, wherein an annular groove close to the outer edge surface of the rotating disc (2) is formed in the upper end surface of the rotating disc (2), the arc-shaped heating device comprises an arc-shaped shell (10) which is coaxial with the rotating disc (2) and has two open ends, an arc-shaped sliding block (11) arranged in the annular groove is fixed on the upper end surface of the arc-shaped shell (10), a ball (12) in contact with the bottom surface of the annular groove is mounted at the bottom of the arc-shaped sliding block (11), the lower end of the arc-shaped shell (10) is fixed on the platform (1), a heating pipe (13) is fixed on the upper end surface of the inner cavity of the arc-shaped shell (10), and the heating pipe (13) is arc-shaped concentric with the upper end surface of the arc-shaped shell (10) and is provided with multiple layers.

5. The paint spraying device for the elevator diversion sheave according to claim 1 or 3, wherein a U-shaped support frame arranged below the clamping device is fixed on the platform (1), the U-shaped support frame comprises a first U-shaped rod (14) and a second U-shaped rod (15) which are arranged on the same horizontal plane, the first U-shaped rod (14) and the second U-shaped rod (15) are coaxial with the rotating disc (2), the hinged end of each arc-shaped plate (8) is in contact with the first U-shaped rod (14), the buckling end of each arc-shaped plate (8) is in contact with the second U-shaped rod (15), the first U-shaped rod (14) and the second U-shaped rod (15) are fixed on the platform (1) through a plurality of support plates, and two ends of the U-shaped support frame are respectively arranged on two sides of the arc-shaped rack (5).