CN211514985U

CN211514985U - Paint spraying device of automobile

Info

Publication number: CN211514985U
Application number: CN201922008473.7U
Authority: CN
Inventors: 骆美富; 杨洁芳; 周胜利; 冯勇
Original assignee: Zhejiang Technical Institute of Economics
Current assignee: Zhejiang Technical Institute of Economics
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-18
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a paint spraying apparatus of car, aims at solving current automatic paint spraying apparatus among the prior art and can't laminate streamlined automobile body and carry out the operation of spraying paint, and the technical problem that becomes lacquer thickness on the automobile body is very inhomogeneous. The utility model discloses a be used for placing the paint spray booth of treating the vehicle that sprays paint, the subaerial rotation platform that treats the vehicle rotation that sprays paint of drive that is equipped with of paint spray booth, be equipped with the parallelly connected paint sprayer that forms of the piece that sprays paint discrete by a plurality of on the lateral wall of paint spray booth, the piece that sprays paint is laminated mutually with the automobile body of treating the vehicle that sprays paint at the paint spraying in-process, be equipped with the paint box that links to each other through defeated lacquer pipe with the piece that sprays paint on the lateral wall of paint spray booth, the upper end of paint spray booth is equipped with the clarifier, the clarifier passes through air filter with the paint spray.

Description

Paint spraying device of automobile

Technical Field

The utility model relates to a paint spraying apparatus technical field especially relates to a paint spraying apparatus of car.

Background

Among the prior art, the operation of spraying paint that vapour was repaiied the factory and is carried out the automobile body often is manual spraying paint, and at the in-process of spraying paint, the long-term inspiratory coating cloud of operating personnel can cause serious damage to self respiratory, and in addition, the height that becomes lacquer quality depends on operating personnel's experience and operating condition, when operating personnel's experience is not enough, the aspect such as homogeneity that becomes lacquer thickness hardly reaches corresponding technical requirement, and simultaneously, the efficiency of manual spraying paint is lower, can't realize high efficiency production.

Chinese patent with application number CN 201710517436.1 discloses an automatic paint spraying apparatus of vehicle body for auto repair, which comprises a track, a spray cart, a fastening rod, a spray box, a lifting rod, a roller, a motor, a rib plate, a screw, a pressure pump, a low-pressure paint inlet, a paint kettle, a high-pressure paint outlet, a nozzle connecting thread, a speed regulating button, a spray-proof cover, a flange port and a sealing gasket, wherein the track is hinged with the spray cart through the roller, and the track is welded with the fastening rod, the spray box is installed on the upper side of the spray cart, the spray box is connected with the roller through the lifting rod, the front side of the spray cart is fixedly connected with the motor, the spray box is fixedly connected with the rib plate through the screw, the rib plate is fixedly connected with the pressure pump, the pressure pump is integrally formed with the flange port through the low-pressure pump inlet, the flange port is connected with the paint kettle through the sealing gasket, the pressure pump, the high-pressure paint outlet and the nozzle connecting thread are integrally formed, and the high-pressure paint outlet is hinged with the speed regulating button.

The device can rotate 360 degrees around the track, and the automatic paint spraying is carried out on the automobile by adopting electric drive, so that unmanned automatic production is realized, and the production efficiency is improved; however, it is known that the difficulty of painting in the automobile maintenance is how to ensure the uniformity of the finished paint thickness, the automobile body is streamline, when the device is used for paint repair, the distances from a low-pressure paint inlet or a high-pressure paint outlet to different positions on the automobile body are different, so that the adhesion of the automobile body paint quantity close to the paint outlet is thicker, the adhesion of the automobile body paint quantity far from the paint outlet is thinner, and the finished paint thickness is extremely uneven.

Disclosure of Invention

The utility model discloses an overcome among the prior art that the streamlined automobile body of the unable laminating of automatic paint spraying apparatus sprays paint the operation, the extremely inhomogeneous technical problem of ready lacquer thickness on the automobile body, the paint spraying apparatus of a car is provided, the device in by a plurality of discrete go out the parallelly connected automobile body that can paste the confluence line type of the play lacquer ware that forms of lacquer piece, ready lacquer thickness on the automobile body is more even, in addition, the air that contains a large amount of coating cloud in clarifier and the filter screen is to the spray booth purifies in step, the coating cloud concentration in the spray booth is lower.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The utility model provides a paint spraying apparatus of car, including the paint spray booth that is used for placing the vehicle of waiting to spray paint, the subaerial rotation platform of waiting to spray paint the vehicle rotation of drive that is equipped with of paint spray booth, be equipped with the paint sprayer that the piece that sprays paint that is separated by a plurality of forms that connects in parallel on the lateral wall of paint spray booth, the piece that sprays paint is laminated with the automobile body of the vehicle of waiting to spray paint in-process mutually, be equipped with the paint box that links to each other through defeated lacquer pipe with the piece that sprays paint on the lateral wall of paint spray booth, the upper end of paint spray booth is equipped with the clarifier, the clarifier passes through air filter.

When the original vehicle is loaded in a vehicle factory, the vehicle factory performs paint spraying operation on each component of the vehicle body in a special paint spraying chamber, specifically, the diffuse covering of paint mist, and because structural components which do not need paint spraying, such as glass and the like are not installed on the vehicle body component at the moment, the paint spraying operation can be automatically performed by a spray gun and only needs to ensure that the diffuse paint mist around the vehicle body component is uniform; however, when the vehicle leaves the factory and the painted surface is broken due to accidents such as collision, abrasion and the like, the paint spraying method with paint mist diffusion is low in feasibility due to the existence of structural parts such as glass and the like which do not need paint spraying, in the prior art, a vehicle repair factory usually operates the vehicle for paint repair, in the paint repair process, a vehicle repair engineer holds a paint spraying gun to repair the broken paint surface on the vehicle body, the quality of the finished paint surface after paint repair is finished depends on the uniformity of the paint spraying thickness, the quality of the paint spraying thickness uniformity depends on the working experience of the vehicle repair engineer to a great extent, and the quality of the paint repair is difficult to effectively guarantee due to the fact that the experience levels of different vehicle repair factories and different vehicle repair engineers are different; in addition, the thinner of the vehicle paint contains organic solvents such as toluene and xylene which are harmful to the nervous system, liver and kidney and other organs of the human body, and paint mist inhaled by an operator for a long time can cause serious damage to the respiratory system, the nervous system and the like of the operator. The utility model provides an automatic paint spraying apparatus of automobile body uses the parallelly connected paint sprayer that forms of piece that sprays paint by a plurality of discrete to carry out the operation of spraying paint to the automobile body, and in the paint spraying process, the piece that sprays paint of different positions laminates the paint surface breach of different positions on the automobile body, and the parallelly connected integration of the piece that sprays paint of discrete independent work is paint sprayer, and the position adjustment that can adapt to is done to the streamline change of the adaptable automobile body of the piece that sprays paint in the paint sprayer motion process, compare in traditional manual spraying paint, paint sprayer's finished paint thickness very even, the coating compensating quality is higher; in addition, the upper end of the paint spraying chamber is provided with a purifier, the purifier and the paint spraying chamber are separated through an air filter screen, catalysts are arranged at two ends of the purifier, a fan in the purifier sucks diffused paint mist in the paint spraying chamber into the purifier and purifies the paint mist through the catalysts, aluminum powder and other microparticles in the paint mist are adsorbed by the air filter screen, the paint mist concentration in the paint spraying chamber is greatly reduced, and the air quality and the working environment of an operator are obviously improved.

As preferred, the lacquer sprayer passes through the mounting panel and can dismantle with the inside wall of paint spray booth and be connected, and the piece that sprays paint includes that gyro wheel shower nozzle and elasticity reset, and the other end that the elasticity that one end links to each other with the mounting panel resets the piece links to each other with the gyro wheel shower nozzle, and the length direction interval of lacquer sprayer along the mounting panel is arranged, is equipped with on the mounting panel along its thickness direction link up be used for holding the installation runner of defeated lacquer pipe, and defeated lacquer pipe resets with elasticity and corresponds the connection one by one.

The utility model discloses in, the lacquer sprayer passes through the mounting panel and can dismantle with the inside wall of paint spray booth and be connected, when the vehicle automobile body of waiting to mend lacquer is higher, chooses longer and the more mounting panel of piece distribution that sprays paint for use, when the vehicle automobile body of waiting to mend lacquer is lower, chooses for use shorter and the less mounting panel of piece distribution that sprays paint for use to make the lacquer sprayer spray paint in the motion process a piece can cover the lacquer painting break on the automobile body, and then promote paint spraying apparatus's paint spraying efficiency.

As preferred, elasticity piece that resets includes first baffle, the guide way, the guide bar, the elastic component, second baffle and connecting rod, the length direction reciprocating slide of guide way can be followed to the guide bar of cup jointing in the guide way, first baffle and second baffle parallel interval are arranged, the one end of guide way is connected to the other end of the first baffle that one end links to each other with the mounting panel, the one end that first baffle was kept away from to the guide bar links to each other with the one end that the second baffle is close to the mounting panel, the elastic component cup joints on the outer peripheral face of guide way and guide bar, the both ends of elastic component are connected respectively with first baffle and second baffle, the other end that the one end that the mounting panel was kept away from to one end links to each other with the gyro wheel shower nozzle to one end and second.

The technical scheme is further limited to the previous technical scheme, when paint spraying is started, each discrete paint spraying piece is attached to a paint surface broken opening on a vehicle body, in the movement process of a paint sprayer, the variation quantity of the horizontal depth of the vehicle body position contacted by different paint spraying pieces is different, each paint spraying piece comprises a roller spray head and an elastic resetting piece, when the horizontal depth of the vehicle body position contacted by the paint spraying piece is increased, the compression quantity of the elastic piece in the elastic resetting piece is reduced, when the horizontal depth of the vehicle body position contacted by the paint spraying piece is reduced, the compression quantity of the elastic piece in the elastic resetting piece is increased, so that the roller spray heads are always attached to the paint surface broken opening of the vehicle body, the strokes of paint sprayed from the roller spray heads to the vehicle body are consistent, the paint mist adhesion quantity of each position on the vehicle body is the same, and the thickness uniformity of finished paint is higher; in addition, elasticity resets and includes first baffle, the guide way, the guide bar, the elastic component, second baffle and connecting rod, the elastic component makes the second baffle can be close to or keep away from first baffle motion, make the roller nozzle can be according to the longitudinal variation of automobile body and do self-adaptation's laminating adjustment, the cooperation of guide way and guide bar makes the motion of roller nozzle possess higher stability, the swing can not take place in the roller nozzle motion process, the emergence of mistake paint spraying phenomenon on the automobile body has been avoided on the one hand, on the other hand has guaranteed the thickness homogeneity of finished lacquer.

Preferably, the axis of the roller nozzle is provided with a rotating shaft, one end of the connecting rod, which is far away from the second baffle plate, is fixedly connected with the rotating shaft and is positioned on a symmetrical plane of the rotating shaft along the length direction of the rotating shaft, and the roller nozzle comprises a first roller and a second roller which are symmetrically arranged at two sides of the connecting rod at intervals.

The utility model discloses in, the connecting rod is passed through in the pivot and the integrative fixed of second baffle, cup joints the gyro wheel shower nozzle on the pivot outer peripheral face and revolutes the rotation of axes, and when the horizontal position of gyro wheel shower nozzle changed, the gyro wheel shower nozzle moved through the cooperation drive second baffle of pivot and connecting rod, and the gyro wheel shower nozzle includes that the interval symmetry is arranged at the first gyro wheel and the second gyro wheel of connecting rod both sides, can not take place to interfere with the connecting rod in the gyro wheel shower nozzle motion process.

Preferably, a paint spraying flow channel which is communicated along the radial direction of the roller nozzle is arranged on the roller nozzle, paint outlet pipes are arranged in the first baffle plate, the guide groove, the guide rod, the second baffle plate, the connecting rod and the rotating shaft, one end of each paint outlet pipe is communicated with the paint conveying pipe, the other end of each paint outlet pipe is communicated with the paint spraying flow channel, the paint spraying flow channels are arranged along the radial direction of the roller nozzle at equal included angles, and the paint spraying flow channels are arranged along the length direction of the roller nozzle at equal intervals.

In the utility model, the roller nozzle is provided with a paint spraying flow channel which is communicated along the radial direction of the roller nozzle, the paint spraying flow channel is arranged along the radial direction of the roller nozzle at equal included angles, the paint spraying flow channel is arranged along the length direction of the roller nozzle at equal intervals, one end of the paint outlet pipe is communicated with the paint conveying pipe, and the other end of the paint outlet pipe is communicated with the paint spraying flow channel; go out the lacquer in-process, the play lacquer of gyro wheel shower nozzle is not continuous, rotate to the runner that sprays paint and go out the lacquer pipe when the gyro wheel shower nozzle and align, the gyro wheel shower nozzle carries out the coating cloud to the lacked lacquer, when the gyro wheel shower nozzle rotates to the runner that sprays paint and goes out the lacquer pipe dislocation, the coating cloud of gyro wheel shower nozzle to the lacked lacquer cut covers and stops, and through the aforesaid design, the rotatory a week spun lacquer volume of gyro wheel shower nozzle is less to the too much lacquer painting thickness homogeneity that causes of single play lacquer volume has effectively been avoided and has been descended.

Preferably, the roller nozzle is made of foam, and the elastic member is a spring.

The foam has high density, strong liquid absorption, toughness, elasticity and good wear resistance, and can not scratch the intact paint surface of the car body when being attached to the car body for movement.

Preferably, the rotary platform comprises a turntable arranged above the ground surface and a motor arranged in a power chamber below the ground surface, the motor and the turntable being connected by a vertical rotary shaft.

The turntable is driven to rotate by a motor through a rotating shaft, the turntable is placed above the ground surface to place a vehicle to be painted, and the motor is arranged below the ground surface to avoid blocking the movement of the turntable.

To sum up, the utility model discloses following beneficial effect has: (1) in the device, a paint outlet device formed by connecting a plurality of discrete paint outlet pieces in parallel can be attached to a streamline vehicle body for paint spraying operation, and the paint forming thickness on the vehicle body is uniform; (2) the purifier and the filter screen synchronously purify the air containing a large amount of paint mist in the paint spraying chamber, and the paint mist concentration in the paint spraying chamber is low.

Drawings

Fig. 1 is a schematic overall structure of the present invention.

Fig. 2 is another overall schematic structural diagram of the present invention.

Fig. 3 is a schematic view of a partial structure of the middle paint sprayer of the present invention.

Fig. 4 is a schematic structural view of a painted part according to the present invention.

In the figure:

1. paint spraying chamber, 2, rotating platform, 21, turntable, 22, motor, 23, rotating shaft, 3, paint spraying piece, 31, roller nozzle, 31a, paint spraying flow channel, 311, first roller, 312, second roller, 32, elastic reset piece, 321, first baffle, 322, guide groove, 323, guide rod, 324, elastic piece, 325, second baffle, 326, connecting rod, 4, paint sprayer, 5, paint conveying pipe, 51, induction material sucking port, 6, paint box, 7, purifier, 8, air filter screen, 9, catalyst, 10, mounting plate, 101, mounting flow channel, 11, rotating shaft, 12, paint outlet pipe, 13, power chamber.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1 to 4, a paint spraying apparatus for an automobile comprises a paint spraying chamber 1 for placing a vehicle to be painted, a rotary platform 2 for driving the vehicle to be painted to rotate is arranged on the ground of the paint spraying chamber, a paint sprayer 4 formed by connecting a plurality of discrete paint spraying pieces 3 in parallel is arranged on the side wall of the paint spraying chamber, the paint spraying pieces are attached to the body of the vehicle to be painted in the paint spraying process, a paint box 6 connected with the paint spraying pieces through a paint conveying pipe 5 is arranged on the side wall of the paint spraying chamber, a purifier 7 is arranged at the upper end of the paint spraying chamber, the purifier is separated from the paint spraying chamber through an air filter screen 8, and catalysts 9 are arranged at two ends of the purifier; the paint sprayer is detachably connected with the inner side wall of the paint spraying chamber through a mounting plate 10, the paint spraying piece comprises a roller spray head 31 and an elastic resetting piece 32, the other end of the elastic resetting piece, one end of which is connected with the mounting plate, is connected with the roller spray head, the paint sprayer is arranged at intervals along the length direction of the mounting plate, the mounting plate is provided with a mounting flow channel 101 which is communicated along the thickness direction of the mounting plate and is used for accommodating a paint conveying pipe, and the paint conveying pipe and the elastic resetting piece are correspondingly connected one by one; the elastic reset piece comprises a first baffle 321, a guide groove 322, a guide rod 323, an elastic piece 324, a second baffle 325 and a connecting rod 326, the guide rod sleeved in the guide groove can slide back and forth along the length direction of the guide groove, the first baffle and the second baffle are arranged in parallel at intervals, the other end of the first baffle, one end of which is connected with the mounting plate, is connected with one end of the guide groove, one end of the guide rod, far away from the first baffle, is connected with one end of the second baffle, close to the mounting plate, the elastic piece is sleeved on the outer peripheral surfaces of the guide groove and the guide rod, two ends of the elastic piece are respectively connected with the first baffle and the second baffle, and the other end of the connecting rod, one end of which is connected with one end of the second baffle, far away; a rotating shaft 11 is arranged at the axis of the columnar roller nozzle, one end of the connecting rod, far away from the second baffle, is fixedly connected with the rotating shaft and is positioned on a symmetrical surface of the rotating shaft along the length direction of the rotating shaft, and the roller nozzle comprises a first roller 311 and a second roller 312 which are symmetrically arranged at two sides of the connecting rod at intervals; the roller nozzle is provided with a paint spraying flow channel 31a which is run through along the radial direction of the roller nozzle, paint outlet pipes 12 are arranged in the first baffle plate, the guide groove, the guide rod, the second baffle plate, the connecting rod and the rotating shaft, one end of each paint outlet pipe is communicated with the paint conveying pipe, the other end of each paint outlet pipe is communicated with the paint spraying flow channel, the paint spraying flow channels are arranged along the radial direction of the roller nozzle at equal included angles, and the paint spraying flow channels are arranged along the length direction of the roller nozzle at equal intervals; the roller nozzle is made of foam, and the elastic piece is a spring; the rotary platform comprises a turntable 21 arranged above the ground surface and an electric motor 22 arranged in the power house 13 below the ground surface, which electric motor and turntable are connected by a vertical rotary shaft 23.

In the embodiment, the automatic paint spraying device comprises a purifier, an air filter screen, a paint spraying chamber and a power chamber from top to bottom in sequence, wherein the purifier comprises a purification chamber in the middle and catalysts which are symmetrically arranged on two sides of the purification chamber, two fans are arranged in the purification chamber, paint boxes for containing vehicle paint are arranged on the outer side faces of the left side wall and the right side wall of the paint spraying chamber, and the inner side faces of the left side wall and the right side wall of the paint spraying chamber are connected with the paint spraying device through mounting plates; aiming at the vehicle type with larger volume, when the paint surface crevasses are larger and are distributed more intensively, the number of the paint spraying pieces can be increased, the distance between the paint spraying pieces can be reduced, and the side-by-side paint spraying pieces can cover the paint surface crevasses along the height direction of the vehicle body when the paint sprayer moves along the vehicle body, and the paint spraying pieces perform scanning type paint spraying on the paint surface crevasses in the paint spraying operation process; when the lacuna of lacquer painting is less and distribute sparsely, the quantity of the piece of spraying paint can increase, and the interval of the piece of spraying paint carries out adaptability adjustment and makes the piece of spraying paint can cover the lacuna of lacquer painting along the direction of height, and to the motorcycle type that the volume is less, the principle of arranging of the piece of spraying paint is the same with it, and the quantity of the piece of just spraying paint reduces to some extent. When the automatic paint spraying device works, a vehicle is parked on the rotary table, the purifier and the filter are opened, the paint conveying pipe sucks paint from the paint box, the paint conveying pipe conveys the paint to the paint outlet pipe, the paint outlet pipe conveys the paint to the paint spraying channel on the roller spray head along the mounting channel, the first baffle, the guide groove, the guide rod, the second baffle, the connecting rod and the rotating shaft on the mounting plate, and then the paint surface break of the vehicle body is subjected to painting operation.

Claims

1. The utility model provides a paint spraying apparatus of car, including the paint spray booth that is used for placing the vehicle of waiting to spray paint, a serial communication port, the subaerial rotation platform of waiting the vehicle rotation of spraying paint of drive that is equipped with of paint spray booth, be equipped with the parallelly connected paint sprayer that forms of the piece that sprays paint that is separated by a plurality of on the lateral wall of paint spray booth, the piece that sprays paint is laminated with the automobile body of the vehicle of waiting to spray paint at the in-process of spraying paint mutually, be equipped with the paint box that links to each other through defeated lacquer pipe with the piece that sprays paint on the lateral wall of paint spray booth, the upper end of paint spray booth is equipped with the clarifier, the.

2. The paint spraying apparatus for automobiles of claim 1, wherein the paint sprayer is detachably connected to the inner side wall of the paint spray booth through a mounting plate, the paint spraying member includes a roller nozzle and an elastic restoring member, the other end of the elastic restoring member having one end connected to the mounting plate is connected to the roller nozzle, the paint sprayer is arranged at intervals along the length direction of the mounting plate, the mounting plate is provided with a mounting flow passage penetrating along the thickness direction thereof for accommodating the paint delivery pipe, and the paint delivery pipe and the elastic restoring member are correspondingly connected one by one.

3. The paint spraying device for the automobile according to claim 2, wherein the elastic reset piece comprises a first baffle plate, a guide groove, a guide rod, an elastic piece, a second baffle plate and a connecting rod, the guide rod sleeved in the guide groove can slide back and forth along the length direction of the guide groove, the first baffle plate and the second baffle plate are arranged at intervals in parallel, one end of the first baffle plate connected with the mounting plate is connected with one end of the guide groove, one end of the guide rod far away from the first baffle plate is connected with one end of the second baffle plate close to the mounting plate, the elastic piece is sleeved on the outer peripheral surfaces of the guide groove and the guide rod, two ends of the elastic piece are respectively connected with the first baffle plate and the second baffle plate, and the other end of the connecting rod, one end of the connecting rod is far away from one end of the mounting plate, of the elastic piece and.

4. The paint spraying apparatus for automobiles of claim 3, wherein a rotation shaft is provided at an axis of the roller nozzle in a column shape, one end of the connection rod away from the second baffle is fixedly connected to the rotation shaft and is located on a symmetrical plane of the rotation shaft along a length direction thereof, and the roller nozzle comprises a first roller and a second roller which are symmetrically arranged at both sides of the connection rod at intervals.

5. The paint spraying apparatus for automobiles of claim 4, wherein the roller nozzle is provided with paint spraying channels that pass through along a radial direction thereof, the first baffle, the guide groove, the guide bar, the second baffle, the connecting bar and the rotating shaft are provided with paint discharging pipes, one end of the paint discharging pipe is communicated with the paint conveying pipe, the other end of the paint discharging pipe is communicated with the paint spraying channels, the paint spraying channels are arranged along the radial direction of the roller nozzle at equal angles, and the paint spraying channels are arranged along a length direction of the roller nozzle at equal intervals.

6. The painting apparatus for vehicle according to claim 3, wherein the roller nozzle is made of foam, and the elastic member is a spring.

7. The painting apparatus for vehicles according to claim 1, wherein the rotary platform includes a turntable disposed above the ground surface and a motor disposed in a power house below the ground surface, the motor and the turntable being connected by a vertical rotary shaft.