CN215825967U - Dual-drive rotary table - Google Patents

Abstract

The application discloses a dual-drive turntable, which comprises a printing table, a first driving device, a second driving device and two fixing seats, wherein the printing table is rotatably connected between the two fixing seats; the dual-drive rotary table provided by the embodiment of the application drives the rotary table to rotate by adopting the dual-drive device, and compared with a 3D printing rotary table with a single motor driving rotary table, the dual-drive rotary table has the advantages of larger rotating torque and more sensitive reaction.

Description

Dual-drive rotary table

Technical Field

The utility model belongs to the field of 3D printing equipment, and particularly relates to a dual-drive rotary table.

Background

A printing turntable is generally arranged in the existing 3D printing equipment, and as shown in fig. 6, the general printing turntable includes an existing printing table 2, a driving device 1 arranged on one side of the existing printing table 2, and a support 3 arranged on the other side of the existing printing table 2, and the existing printing table 2 is rotatably arranged between the driving device 1 and the support 3; in operation, the 3D printing apparatus prints out a workpiece on the existing printing table 2, and the driving device 1 is used to drive the existing printing table 2 to swing to adjust the inclination angle of the workpiece.

In the printing turntable, a driving device is generally a motor, and a single motor is adopted for driving, so that the driving torque is small, the response is slow, and in the case of some complex operations, the rotation of the printing table is not sensitive enough, and the expected effect is difficult to print.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a dual-drive turntable, and the dual-drive turntable aims to solve the problems that the existing single-motor-driven 3D printing equipment is slow in response and insensitive to reaction.

The embodiment of the application provides a dual drive revolving stage, wherein, including print table, first drive arrangement, second drive arrangement and two fixing bases, the print table rotationally connects two between the fixing base, first drive arrangement with second drive arrangement fixes two respectively the outside of fixing base, and respectively with the both ends of print table are connected, first drive arrangement with second drive arrangement is used for driving the print table rotates around the primary axis.

The dual-drive rotary table provided by the embodiment of the application drives the rotary table to rotate by adopting the dual-drive device, and compared with a 3D printing rotary table with a single motor driving rotary table, the dual-drive rotary table has the advantages of larger rotating torque and more sensitive reaction.

Further, the fixing base includes casing and a plurality of fixed orifices, the casing includes installation cavity and two at least mounting holes, the edge of mounting hole is provided with protruding structure, protruding structure is provided with at least one breach.

Further, the printing table comprises a rotating table and a third driving device for driving the rotating table to rotate; the rotation axis of the rotation stage is perpendicular to the first axis.

Further, the first driving device, the second driving device and the third driving device each include a motor and an angle encoder.

Further, the first driving device, the second driving device and the third driving device all comprise a brake structure.

Furthermore, the brake structure includes brake block and hydraulic drive device, be provided with on the brake block with hydraulic drive device assorted recess.

Furthermore, a cooling liquid channel is arranged in the shell, and a cooling liquid inlet and a cooling liquid outlet which are communicated with the cooling liquid channel are formed in the shell.

Further, the printing table includes the connecting seat, the connecting seat with the revolving stage is connected, the connecting seat includes bottom plate and cylinder, the bottom plate is circular truncated cone form, the cylinder with bottom plate fixed connection.

Further, a heat insulation plate is arranged at the top of the rotating platform.

Further, the connecting seat still includes waterproof circle, waterproof circle sets up the connecting seat with the junction of print table.

Therefore, the double-drive rotary table provided by the utility model has the advantages that the double-drive device is adopted to drive the rotary table to rotate, the rotating torque is larger, and the reaction is more sensitive.

Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Fig. 1 is a front view of a dual-drive turntable according to an embodiment of the present disclosure.

Fig. 2 is a schematic view of a fixing base according to an embodiment of the present disclosure.

Fig. 3 is a cross-sectional view of a dual-drive turntable according to an embodiment of the present disclosure.

Fig. 4 is a side view of a printing table according to an embodiment of the present disclosure.

Fig. 5 is a schematic view of a connection seat according to an embodiment of the present disclosure.

Fig. 6 is a front view of a single-drive turntable according to an embodiment of the present application.

Fig. 7 is a cross-sectional view of a brake structure according to an embodiment of the present disclosure.

Description of reference numerals:

1. a drive device; 2. an existing printing table; 3. a support; 100. a printing table; 110. a connecting portion; 120. a rotating table; 130. a third driving device; 140. a connecting seat; 141. a base plate; 142. a cylinder; 200. a first driving device; 300. a second driving device; 400. a housing; 410. a fixing hole; 420. a mounting cavity; 430. mounting holes; 431. a raised structure; 432. a notch; 440. a coolant inlet; 500. a brake structure; 510. a brake pad; 520. and a hydraulic drive device.

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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and 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 thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The dashed line in fig. 3 is the first axis.

Referring to fig. 1, 2 and 4, the embodiment of the present application provides a dual-drive turntable, which is used for 3D printing, and includes a printing table 100, a first driving device 200, a second driving device 300, and two fixing bases, the printing table 100 is rotatably connected between the two fixing bases, the first driving device 200 and the second driving device 300 are respectively fixed at the outer sides of the two fixing bases and respectively connected with two ends of the printing table 100, and the first driving device 200 and the second driving device 300 are used for driving the printing table 100 to rotate around a first axis. In practical application, the dual-driving device is adopted to drive the printing table 100 to rotate, and compared with the existing single-motor driving device, the dual-driving device has the advantages of larger rotating torque, more sensitive response and more stable rotation.

In some embodiments, the fixing base includes a housing 400 and a plurality of fixing holes 410, the housing 400 includes a mounting cavity 420 and at least two mounting holes 430, a protruding structure 431 is provided at an edge of the mounting holes 430, and the protruding structure 431 is provided with at least one notch 432. In practical application, the plurality of fixing holes 410 of the housing 400 are used for mounting bearings, the connecting portion 110 matched with the notch 432 of the protrusion structure 431 is arranged at the connecting position of the printing table 100, so that the printing table 100 is clamped and connected with a fixing seat, and the mounting cavity 420 can be used for placing a driving motor; by the arrangement mode, when the first driving device 200 and the second driving device 300 control the printing table 100 to rotate, the connecting part 110 of the fixed seat and the printing table 100 cannot be abraded due to long-time work.

Referring to fig. 3, in some embodiments, the printing table 100 includes a rotation table 120, and a third driving device 130 for driving the rotation table 120 to rotate; the rotation axis of the rotation stage 120 is perpendicular to the first axis. In practical applications, the rotary stage 120 may be configured to accommodate 360-degree orientation printing of the mold.

In some embodiments, the first drive 200, the second drive 300, and the third drive 130 each include a motor and an angular encoder. In practical application, the angle encoder is arranged to measure the rotation speed and the rotation direction of the motor, so that the printing table 100 and the rotating table 120 can rotate more accurately, and the requirement of high-precision printing is met.

In some embodiments, the first drive device 200, the second drive device 300, and the third drive device 130 each include a brake structure 500. In practical applications, the brake structure 500 is provided to rapidly brake the motor shaft. In some existing motor brake structures 500, an electromagnetic band-type brake and a hydraulic brake structure 500 are generally adopted, but the electromagnetic band-type brake has a large volume and can generate vibration during rapid braking, so that the material adding and reducing effects are influenced; the brake pad 510 of the conventional hydraulic brake structure 500 is easily deformed and has a poor braking effect.

Referring to fig. 7, preferably, as used herein, the brake structure 500 includes a brake pad 510 and a hydraulic driving device 520, and the brake pad 510 is provided with a groove matching with the hydraulic driving device 520. In practical application, the tin bronze material is an elastic material, and when the hydraulic driving device 520 extrudes the brake pad 510, the brake pad 510 made of the tin bronze material can deform to fit the motor shaft, so that the motor shaft brakes. When the hydraulic driving device 520 is loosened, the brake pad 510 made of tin bronze material is restored to the original state, the whole process cannot cause the equipment to vibrate, the printing effect is influenced, and the braking effect is good.

In some embodiments, a cooling fluid channel is disposed in the housing 400, and the housing 400 is opened with a cooling fluid inlet 440 and a cooling fluid outlet that are communicated with the cooling fluid channel. In practical application, the cooling liquid inlet 440 and the cooling liquid outlet are arranged, so that heat dissipation of the motor and other parts can be facilitated, and safe operation of the rotary table is guaranteed.

Referring to fig. 5, in some embodiments, the printing table 100 includes a connecting seat 140, the connecting seat 140 is connected to the rotating table 120, the connecting seat 140 includes a bottom plate 141 and a pillar 142, the bottom plate 141 is in a truncated cone shape, and the pillar 141 is fixedly connected to the bottom plate 142. In practical applications, the truncated cone-shaped bottom plate 141 can cover the joint between the connecting seat 140 and the printing table 100, so as to prevent the debris from falling into the printing table 100 and damaging the device.

In some embodiments, a heat shield is disposed on top of the rotary table 120. In practical applications, a melt-blowing head is generally disposed above the rotary table 120, the melt-blowing head sprays high-temperature material to form on the rotary table 120, and a thermal shield is disposed to prevent the rotary table 120 from molecular deformation and damage due to excessive temperature,

In some embodiments, the docking bay 140 further comprises a waterproof ring disposed at the junction of the docking bay 140 and the print table 100. In practical application, the waterproof ring is arranged to prevent water vapor from entering the printing table 100, so that internal parts are corroded, and the service life of the device is prolonged.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a dual drive revolving stage for 3D prints, its characterized in that, includes printing table (100), first drive arrangement (200), second drive arrangement (300) and two fixing bases, printing table (100) rotationally connects two between the fixing base, first drive arrangement (200) with second drive arrangement (300) are fixed respectively two the outside of fixing base, and respectively with the both ends of printing table (100) are connected, first drive arrangement (200) with second drive arrangement (300) are used for the drive printing table (100) rotate around the primary axis.

2. Double drive turntable according to claim 1, characterized in that the holder comprises a housing (400) and a plurality of fixing holes (410), the housing (400) comprises a mounting cavity (420) and at least two mounting holes (430), the edge of the mounting hole (430) is provided with a raised structure (431), and the raised structure (431) is provided with at least one notch (432).

3. A dual drive turret according to claim 1, wherein the printing station (100) comprises a rotary table (120), and third drive means (130) to drive the rotary table (120) in rotation; the rotational axis of the rotational stage (120) is perpendicular to the first axis.

4. A dual drive turret according to claim 3, wherein said first drive means (200), said second drive means (300) and said third drive means (130) each comprise a motor and an angular encoder.

5. Double drive turret according to claim 4, wherein the first drive means (200), the second drive means (300) and the third drive means (130) each comprise a brake structure (500).

6. Double drive turntable according to claim 5, characterized in that said brake structure (500) comprises a brake pad (510) and a hydraulic drive device (520), said brake pad (510) being provided with a groove matching said hydraulic drive device (520).

7. The dual-drive turntable according to claim 2, wherein a cooling liquid channel is arranged in the housing (400), and a cooling liquid inlet (440) and a cooling liquid outlet which are communicated with the cooling liquid channel are formed in the housing (400).

8. A dual drive turntable according to claim 3, wherein said printing table (100) comprises a connecting seat (140), said connecting seat (140) is connected to said rotating table (120), said connecting seat (140) comprises a bottom plate (141) and a column (142), said bottom plate (141) is in the shape of a truncated cone, and said column (142) is fixedly connected to said bottom plate (141).

9. A dual drive turntable according to claim 3, characterized in that a heat shield is provided on top of the turntable (120).

10. A dual drive turret according to claim 8, wherein the coupling sockets (140) further comprise a waterproof ring, the waterproof ring being provided at the junction of the coupling sockets (140) and the print table (100).

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