CN217615537U - Multi-shaft spraying device - Google Patents

Abstract

The application relates to a multiaxis spraying device, it includes: spraying a piece; the spraying piece is connected with the lifting section bar; the lifting driving assembly comprises a gear mechanism and a rack, the length direction of the rack is arranged along a first direction, the rack is connected with the lifting profile, and the gear mechanism is in transmission connection with the rack; the two opposite side surfaces of the lifting profile are provided with the limiting structures; at least two sets of spacing wheels, spacing wheel rotate connect in gear mechanism, at least two sets of spacing wheel slides respectively and sets up on the limit structure on the relative both sides face of lift section bar. The friction between gear mechanism and the lift section bar is less in this application, is convenient for maintain the sliding fit precision of gear mechanism and lift section bar, and maintains the transmission cooperation precision of gear mechanism and rack.

Description

Multi-shaft spraying device

Technical Field

The application relates to the technical field of spraying, in particular to a multi-shaft spraying device.

Background

At present, spraying equipment can generally move in multiple shafts to be used for spraying different positions of workpieces uniformly in an adaptive mode or changing stations to spray different workpieces, so that the spraying quality and efficiency are improved. The common driving mode of the multi-axis moving spraying equipment is that the screw rod module drives to meet the requirement of moving precision.

In the related technology, part of the spraying equipment capable of moving in multiple shafts is driven to move up and down in a gear and rack mode, the lifting frame is driven to move up and down by arranging the rack on the lifting frame and utilizing the matching of the gear mechanism and the rack along with the rotation of the gear, and the reliability and the durability of the lifting motion are improved due to the fact that the matching of the gear and the rack is not easily influenced by external factors.

When the gear rack is adopted to drive the lifting frame to move, the gear mechanism needs to be arranged on the lifting frame in a sliding mode, and the lifting frame is limited to be separated from the gear mechanism. Generally, a sliding rail is arranged on the lifting frame, a sliding block is arranged on a shell of the gear mechanism, the lifting frame is limited to be separated from the gear mechanism through the sliding block and the sliding rail, or the shell of the gear mechanism is directly sleeved on the lifting frame, so that the lifting frame is limited to be separated from the gear mechanism.

However, along with the crane is repeatedly driven to lift, the sliding block on the gear mechanism and the sliding rail on the crane are easily worn and torn mutually, or the shell of the gear mechanism and the crane can be worn and torn, and the sliding fit precision between the gear mechanism and the crane is influenced, so that the fit precision of the gear in the gear mechanism and the rack on the crane is influenced, and the lifting motion precision of the crane is influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a multiaxis spraying device to solve among the prior art gear mechanism and crane's sliding fit precision and be difficult to maintain, the technical problem that the elevating movement precision of rack and pinion drive crane received the influence.

A multi-axis spray coating device, comprising:

spraying a piece;

the spraying piece is connected with the lifting section bar;

the lifting driving assembly comprises a gear mechanism and a rack, the length direction of the rack is arranged along a first direction, the rack is connected with the lifting profile, and the gear mechanism is in transmission connection with the rack;

the two opposite side surfaces of the lifting profile are provided with the limiting structures;

at least two sets of spacing wheels, spacing wheel rotate connect in gear mechanism, at least two sets of spacing wheel slides respectively and sets up on the limit structure on the relative both sides face of lift section bar.

In some embodiments, the limiting structure comprises a limiting strip, a limiting ring groove is formed in the circumferential side surface of the limiting wheel, and the groove wall of the limiting ring groove is in contact with the circumferential side surface of the limiting strip.

In some embodiments, a gap is left between the gear mechanism and the lifting profile.

In some embodiments, the gear mechanism includes a gear, a first right angle reducer, and a lifting drive member, the drive member is in driving connection with the gear through the first right angle reducer, and the gear is in driving connection with the rack.

In some embodiments, further comprising a rotating assembly, the rotating assembly comprising, connected to the lifting profile:

a rotary drive member;

and the second right-angle speed reducer is in driving connection with the rotary driving piece, the axis direction of an output shaft of the second right-angle speed reducer is arranged along the second direction, and the spraying piece is connected with the output shaft of the second right-angle speed reducer.

In some embodiments, the rotary drive is connected to the top end of the lifting profile, the second right-angle reducer is connected to the bottom end of the lifting profile, and the output shaft of the rotary drive passes through the lifting profile and is connected to the input shaft of the second right-angle reducer.

In some embodiments, the multi-axis spray coating device further comprises:

the gear mechanism is arranged on the first horizontal section bar in a sliding manner along a second direction;

and the first horizontal driving assembly is arranged on the first horizontal sectional material, and the output end of the first horizontal driving assembly is connected with the gear mechanism.

In some embodiments, the first horizontal drive assembly comprises a timing belt assembly or a lead screw assembly or a linear motor.

In some embodiments, the multi-axis spray coating device further comprises:

the first horizontal section bar is arranged on the second horizontal section bar in a sliding mode along a third direction;

and the second horizontal driving assembly is arranged on the second horizontal sectional material, and the output end of the second horizontal driving assembly is connected with the first horizontal sectional material.

In some embodiments, the second horizontal drive assembly comprises a timing belt assembly or a lead screw assembly or a linear motor.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a multiaxis spraying device, spraying spare is along with lifting profile material and elevating movement under the drive of lift drive assembly, wherein drive lifting profile material motion is driven by the transmission cooperation of gear mechanism and rack to improve lifting profile material motion's stability through rack and pinion transmission. Under the sliding fit of the limiting wheels and the limiting structures, the limiting wheels positioned on the two opposite sides of the lifting profile clamp the lifting profile, so that the lifting profile is limited to be separated from the gear mechanism. When the lifting profile is driven to lift by the gear mechanism, the limiting wheels roll on the limiting structures, mutual abrasion between the limiting wheels and the limiting structures is reduced through rolling friction, and the sliding fit precision of the lifting profile and the gear mechanism is maintained, so that the transmission fit precision of the gear mechanism and the rack is not easily influenced, and the lifting precision of the lifting profile and the spraying part is improved. Meanwhile, the limiting part is not easy to generate particles generated in the sliding friction process when rolling on the limiting structure, and impurities such as the particles are not easy to influence the spraying quality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of a lifting profile and a lifting drive assembly provided in an embodiment of the present application;

fig. 2 is a schematic connection diagram of a lifting profile and a lifting driving assembly provided in an embodiment of the present application;

FIG. 3 is a schematic internal view of a box and a lifting profile provided in an embodiment of the present application;

FIG. 4 is a schematic view of a case provided in an embodiment of the present application;

fig. 5 is a schematic connection diagram of a lifting profile and a first horizontal profile provided in an embodiment of the present application;

fig. 6 is a schematic connection diagram of a lifting profile, a first horizontal profile and a second horizontal profile provided in an embodiment of the present application.

In the figure: 1. spraying a piece; 2. lifting the profile; 3. a lift drive assembly; 301. a gear mechanism; 3011. a gear; 3012. a first right angle decelerator; 3013. a lifting drive member; 3014. a box body; 302. a rack; 4. a limiting structure; 5. a limiting wheel; 501. a limiting ring groove; 6. a rotating assembly; 601. a rotary drive member; 602. a second right-angle reducer; 7. a first horizontal profile; 8. a first horizontal drive assembly; 9. a second horizontal profile; 10. a second horizontal drive assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a multiaxis spraying device, it sets up limit structure on the lift section bar through setting up, sets up spacing round on gear mechanism, breaks away from gear mechanism with the restriction lift section bar through spacing round and limit structure's cooperation, and spacing round rolls on limit structure along with the lift of lift section bar, has alleviateed spacing round and limit structure's friction, is convenient for maintain gear mechanism and lift section bar's sliding fit precision. The technical problem that the precision of the sliding fit of the gear mechanism and the lifting frame is difficult to maintain and the precision of the lifting motion of the gear rack driving lifting frame is influenced in the related art is solved.

Referring to fig. 1, a multiaxis spraying device, including spraying 1, lift section bar 2 and lift drive assembly 3, wherein spraying 1 includes the spray gun, and spraying 1 is connected with lift section bar 2, and lift drive assembly 3 drives lift section bar 2 along first direction elevating movement, and first direction is Z axle direction in the picture, and spraying 1 is along with lift section bar 2 is elevating movement.

Referring to fig. 2 and 3, the lifting driving assembly 3 includes a gear mechanism 301 and a rack 302, the lifting profile 2 is in a hollow square cylinder shape, a square profile can be adopted, and the length direction of the lifting profile 2 is arranged along a first direction. The gear mechanism 301 is slidably disposed on the lifting profile 2 and is in transmission connection with the rack 302 through the gear mechanism 301, so that the lifting profile 2 is driven to move through the gear mechanism 301, wherein the gear mechanism 301 and the lifting profile 2 are limited to be disengaged from each other through sliding fit of the gear mechanism 301 and the lifting profile 2, and the transmission connection between the gear mechanism 301 and the rack 302 is maintained.

Referring to fig. 2 and 3, the rack 302 is fixed to the side of the lifting profile 2 by a bolt assembly, and the length direction of the rack 302 is also arranged in the first direction. The gear mechanism 301 includes a box 3014, a gear 3011, a lifting driving part 3013 and a first right angle reducer 3012, the lifting driving part 3013 includes a lifting motor, which is fixed on the outer side of the box 3014, and the output end of the lifting driving part 3013 extends into the box 3014 and is connected with the input end of the first right angle reducer 3012 in a transmission manner, so as to transmit power to the first right angle reducer 3012. The first right-angle reducer 3012 is installed in the box 3014, and the output end of the first right-angle reducer 3012 is in transmission connection with the gear 3011, and after the power of the lifting driving piece 3013 is transmitted to the gear 3011 through the first right-angle reducer 3012, the gear 3011 has self-locking performance, and can only be rotated by the power drive gear 3011 of the first right-angle reducer 3012. An opening is formed in the box body 3014, the gear 3011 is located in the box body 3014, and a part of the gear 3011 extends out of the opening of the box body 3014 and is in transmission connection with the rack 302.

Thus, the lifting driving component 3013 transmits power to the gear 3011 through the first right-angle reducer 3012, and the gear 3011 is connected to the rack 302 in a transmission manner to drive the rack 302 to move in the first direction, so that the lifting profile 2 and the spraying component 1 on the lifting profile 2 can be driven to lift. When the lifting driving component 3013 is not powered, the gear 3011 is restricted from rotating under the action of the first linear decelerator 3012, so that the rack 302 and the lifting driving component 3013 are restricted from sliding down under the self-gravity, so as to control the height of the painting part 1 at will.

Referring to fig. 2 and 3, the multi-axis spraying device further comprises at least two limiting structures 4 and at least two sets of limiting wheels 5. At least two limit structure 4 are located the relative both sides face of lift section bar 2 respectively, and spacing wheel 5 all rotates with gear mechanism 301's box 3014 to be connected, and at least two sets of limit wheel 5 slide respectively and set up on the limit structure 4 of the relative both sides face of lift section bar 2 to this realizes gear mechanism 301 and lift section bar 2's sliding fit through limit structure 4 and spacing wheel 5, and under limit structure 4 and limit wheel 5's effect, gear mechanism 301 and lift section bar 2 are difficult for breaking away from.

Referring to fig. 2 and 3, preferably, the limiting structures 4 include two sets, two sets of limiting structures 4 are respectively located on two opposite side surfaces of the lifting profile 2, and the limiting structures 4 and the rack 302 are respectively located on adjacent side surfaces of the lifting profile 2. Two sets of limiting wheels 5 are also arranged, the two sets of limiting wheels 5 are respectively in sliding fit with the two limiting structures 4, and the two sets of limiting wheels 5 clamp the lifting profile 2 so as to limit the gear mechanism 301 to be separated from the lifting profile 2.

Referring to fig. 2 and 3, the position limiting structure 4 includes a position limiting groove or a position limiting strip, and the length direction of the position limiting structure 4 is arranged along the first direction. When limit structure 4 includes the spacing groove, spacing wheel 5 rolls in the spacing inslot, spacing wheel 5 breaks away from lift section bar 2 in the restriction of spacing groove, in order to maintain gear mechanism 301 and the sliding fit of lift section bar 2, in addition, along with gear mechanism 301 drives lift section bar 2 motion, spacing wheel 5 rolls in the spacing inslot, spacing wheel 5 is less with lift section bar 2's friction, and spacing wheel 5 and spacing groove are difficult for taking place wearing and tearing, and be convenient for maintain lift section bar 2 and gear mechanism 301's sliding fit precision, consequently, the transmission precision of gear 3011 and rack 302 is also difficult for receiving the influence. Meanwhile, friction particles are not easy to generate between the limiting wheel 5 and the limiting groove, impurity particles are not easy to mix into the spray liquid in the spraying process, and the spraying quality is improved.

Referring to fig. 2, fig. 3 and fig. 4, in this embodiment, the limiting structure 4 includes a limiting strip, the two opposite side surfaces of the lifting profile 2 are all welded or bolted with the limiting strip, a limiting ring groove 501 is formed in the circumferential side surface of the limiting wheel 5, the limiting wheel 5 is rolled on the limiting strip, and the circumferential side surface of the limiting strip is in contact with the groove wall of the limiting ring groove 501, so as to limit the limiting wheel 5 to be separated from the limiting strip through the limiting ring groove 501, and thus the gear mechanism 301 is maintained in sliding fit with the lifting profile 2. In this embodiment, the groove wall of the limiting ring groove 501 and the circumferential side surface of the limiting strip are both arc-shaped, and the groove wall of the limiting ring groove 501 is engaged with the circumferential side surface of the limiting strip. Along with the motion of the lifting profile 2 driven by the gear mechanism 301, the limiting wheel 5 rolls on the limiting strip, the friction between the limiting wheel 5 and the limiting strip is small, and the limiting wheel 5 and the limiting strip are not easy to wear, so that the sliding fit precision of the lifting profile 2 and the gear mechanism 301 is convenient to maintain, and the transmission precision of the gear 3011 and the rack 302 is not easy to be influenced. Meanwhile, friction particles are not easy to generate between the limiting wheel 5 and the limiting strip, impurity particles are not easy to mix into the spray liquid in the spraying process, and the spraying quality is improved.

Referring to fig. 1, preferably, the gear mechanism 301 is located at one side of the lifting profile 2, and a gap is left between the box 3014 of the gear mechanism 301 and the lifting profile 2 to prevent the box 3014 from rubbing against the lifting profile 2, so as to reduce noise during the lifting process of the lifting profile 2 and improve stability during the lifting process of the lifting profile 2.

Referring to fig. 1, the multi-axis painting apparatus optionally further comprises a swivel assembly 6, the swivel assembly 6 comprising a swivel drive 601 connected to the lifting profile 2 and a second right-angle reducer 602. The rotary driving part 601 includes a rotary driving part such as a motor, the output end of the rotary driving part 601 is connected with the input end of the second right-angle speed reducer 602, the output end of the second right-angle speed reducer 602 is connected with the spraying part 1, and along with the rotary driving part 601 transmitting power to the second right-angle speed reducer 602, the second right-angle speed reducer 602 drives the spraying part 1 to rotate. In this embodiment, the axis direction of the output shaft of second right angle reduction gear 602 sets up along the second direction, and X axle direction in the drawing promptly drives along with second right angle reduction gear 602 and sprays 1 and rotate, and the spraying direction of spraying 1 is changed, and the spraying direction of spraying 1 and the contained angle of horizontal plane can change, and conveniently adapt to the article of spraying different shapes. Because the rotary driving member 601 transmits power to the spraying member 1 through the second right-angle reducer 602, the spraying member 1 is not easy to rotate randomly under the action of the second right-angle reducer 602, so as to conveniently control the spraying direction of the spraying member 1.

Referring to fig. 1, in the present embodiment, preferably, a rotary driving member 601 is fixed at the top end of the lifting profile 2, a second right-angle reducer 602 is fixed at the bottom end of the lifting profile 2, and an output shaft of the rotary driving member 601 passes through the lifting profile 2 to be connected with the second right-angle reducer 602. Therefore, the top and bottom spaces of the lifting profile 2 are fully utilized, the transmission space is provided inside the lifting profile 2, the space utilization rate is improved, the integrity of the rotating assembly 6 and the lifting profile 2 is better, and the integration level is higher.

Referring to fig. 5, the multi-axis spraying device optionally further comprises a first horizontal profile 7 and a first horizontal driving assembly 8, wherein the first horizontal profile 7 comprises a square profile, and the interior of the square profile is hollow. The length direction of the first horizontal profile 7 is arranged in the second direction. The gear mechanism 301 is slidably disposed on the first horizontal section 7 along the second direction, the first horizontal driving assembly 8 is disposed on the first horizontal section 7, and an output end of the first horizontal driving assembly 8 is connected to the gear mechanism 301 to drive the gear mechanism 301 to slide along the second direction, so as to drive the spraying member 1 to move in the second direction.

Referring to fig. 5, the first horizontal driving assembly 8 includes a timing belt assembly or a lead screw assembly or a linear motor. In this embodiment, the first horizontal drive assembly 8 comprises a timing belt assembly, which is arranged on the first horizontal profile 7. The hold-in range subassembly includes hold-in range, action wheel, follows driving wheel and first horizontal drive spare, and the action wheel all rotates with following the driving wheel and installs inside first horizontal section bar 7, and the action wheel is located to the hold-in range cover and follows the driving wheel, and first horizontal drive spare is connected with the action wheel drive to drive the hold-in range operation. The top surface of the first horizontal profile 7 is open to expose the timing belt. The housing 3014 of the gear mechanism 301 is connected to a timing belt to reciprocate in the second direction as the timing belt runs to adjust the position of the painting member 1 in the second direction. The first horizontal driving member may include a motor, a pulley mechanism or a chain mechanism to drive the driving wheel to rotate.

Referring to fig. 6, optionally, the multi-axis spraying device further comprises a second horizontal section bar 9 and a second horizontal driving assembly 10, the second horizontal section bar 9 is arranged in a hollow manner, and the length direction of the second horizontal section bar 9 is arranged along a third direction, namely the Y-axis direction in the figure, and the first horizontal section bar 7 is arranged on the second horizontal section bar 9 in a sliding manner along the third direction. In this embodiment, there are two second horizontal profiles 9, two second horizontal profiles 9 are disposed at intervals, and two ends of the first horizontal profile 7 are slidably disposed on the two second horizontal profiles 9, respectively. The second horizontal driving component 10 is arranged on the second horizontal section bar 9, and the output end of the second horizontal driving component 10 is connected with the first horizontal section bar 7 so as to drive the first horizontal section bar 7 to slide in the third direction, and the position of the spraying part 1 in the third direction is adjusted.

Referring to fig. 6, the second horizontal driving assembly 10 includes a synchronous belt assembly or a lead screw assembly or a linear motor, in this embodiment, the second horizontal driving assembly 10 includes a lead screw assembly including a lead screw, a slider and a second horizontal driving member, the lead screw is rotatably installed in the second horizontal section bar 9, and the slider is in transmission connection with the lead screw. The second horizontal section bar 9 is provided with a notch, and part of the slide block can extend out of the second horizontal section bar 9 from the notch to be connected with the first horizontal section bar 7. The second horizontal driving part comprises a motor which is in driving connection with the screw rod to drive the screw rod to rotate so as to drive the first horizontal section bar 7 to reciprocate in the third direction, so that the position of the spraying part 1 in the third direction can be conveniently adjusted. In this embodiment, two sets of screw rod assemblies may be provided, and the two sets of screw rod assemblies are respectively disposed in the two second horizontal sectional materials 9.

The embodiment of the application provides a multiaxis spraying device, spraying member 1 is along with lift section bar 2 and elevating movement under the drive of lift drive assembly 3, wherein drive lift section bar 2 motion by gear 301 and rack 302's transmission cooperation to improve the stability of lift section bar 2 motion through gear 3011 rack 302 transmission. Under the sliding fit of the limiting wheels 5 and the limiting structures 4, the limiting wheels 5 positioned on the two opposite sides of the lifting profile 2 clamp the lifting profile 2, so as to limit the lifting profile 2 to be separated from the gear mechanism 301. When the lifting profile 2 is driven to lift by the gear mechanism 301, the limiting wheel 5 rolls on the limiting structure 4, mutual abrasion between the limiting wheel 5 and the limiting structure 4 is reduced through rolling friction, and the sliding fit precision of the lifting profile 2 and the gear mechanism 301 is maintained, so that the transmission fit precision of the gear mechanism 301 and the rack 302 is not easily influenced, and the lifting precision of the lifting profile 2 and the spraying part 1 is improved. Meanwhile, the limiting part is not easy to generate particles generated in the sliding friction process when rolling on the limiting structure 4, and impurities such as the particles are not easy to influence the spraying quality.

In the description of the present application, it is to be understood that the forward direction of "X" in the drawings represents the right direction, and correspondingly, the reverse direction of "X" represents the left direction; the forward direction of "Y" represents forward, and correspondingly, the reverse direction of "Y" represents rearward; the forward direction of "Z" represents the upward direction, and correspondingly, the reverse direction of "Z" represents the downward direction, and the directions or positional relationships indicated by the terms "X", "Y", "Z", etc. are based on the directions or positional relationships shown in the drawings of the specification, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular direction, be constructed and operated in a particular direction, and thus should not be construed as limiting the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; 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 application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A multi-axis spray coating device, comprising:

spraying a piece;

the spraying piece is connected with the lifting section bar;

the lifting driving assembly comprises a gear mechanism and a rack, the length direction of the rack is arranged along a first direction, the rack is connected with the lifting profile, and the gear mechanism is in transmission connection with the rack;

the two opposite side surfaces of the lifting profile are provided with the limiting structures;

at least two sets of spacing wheels, spacing wheel rotate connect in gear mechanism, at least two sets of spacing wheel slides respectively and sets up on the limit structure on the relative both sides face of lift section bar.

2. The multi-shaft spraying device according to claim 1, wherein the limiting structure comprises a limiting strip, a limiting ring groove is formed in the circumferential side surface of the limiting wheel, and the groove wall of the limiting ring groove is in contact with the circumferential side surface of the limiting strip.

3. The multi-axis painting device according to claim 1, wherein a gap is left between the gear mechanism and the lifting profile.

4. The multi-axis painting device according to claim 1, wherein the gear mechanism comprises a gear, a first right angle reducer, and a lifting drive member, the drive member being in driving connection with the gear through the first right angle reducer, and the gear being in driving connection with the rack.

5. The multi-axis painting device according to claim 1, further comprising a rotating assembly comprising, connected to the lifting profile:

a rotary drive member;

and the second right-angle speed reducer is in driving connection with the rotary driving piece, the axis direction of an output shaft of the second right-angle speed reducer is arranged along the second direction, and the spraying piece is connected with the output shaft of the second right-angle speed reducer.

6. The multi-axis painting device according to claim 5, characterized in that the rotary drive is connected to the top end of the lifting profile, the second right-angle reduction gear is connected to the bottom end of the lifting profile, and the output shaft of the rotary drive is connected to the input shaft of the second right-angle reduction gear through the lifting profile.

7. The multi-axis spray coating device of claim 1, further comprising:

the gear mechanism is arranged on the first horizontal section bar in a sliding mode along a second direction;

and the first horizontal driving assembly is arranged on the first horizontal sectional material, and the output end of the first horizontal driving assembly is connected with the gear mechanism.

8. The multi-axis painting apparatus of claim 7, wherein the first horizontal drive assembly comprises a timing belt assembly or a lead screw assembly or a linear motor.

9. The multi-axis spray coating device of claim 7, further comprising:

the first horizontal section bar is arranged on the second horizontal section bar in a sliding mode along a third direction;

and the second horizontal driving assembly is arranged on the second horizontal sectional material, and the output end of the second horizontal driving assembly is connected with the first horizontal sectional material.

10. The multi-axis painting apparatus of claim 9, wherein the second horizontal drive assembly comprises a synchronous belt assembly or a lead screw assembly or a linear motor.

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