Inner cylinder sealing structure of material stirring and mixing system

Abstract

The utility model discloses an inner cylinder sealing structure of a material stirring and mixing system, which relates to the technical field of material stirring and mixing and comprises an inner cylinder and a cylinder cover arranged on the inner cylinder, an annular first sealing ring is arranged at the bottom of the cylinder cover, and the outer wall of the first sealing ring abuts against the inner wall of the inner cylinder. The inner cylinder can be driven to rotate relative to the cylinder cover, the cylinder cover can be driven to vertically move and is installed on the inner cylinder and used for adjusting the tightness degree of the first sealing ring and the inner wall of the inner cylinder, and a vacuumizing connector used for installing a vacuumizing device is formed in the top of the cylinder cover. The sealing pressure can be dynamically adjusted through a dynamic sealing mode, the application range is wider, the sealing effect is better, the sealing ring can be fully utilized, the service life of the sealing ring is longer, meanwhile, the sealing pressure in the inner cylinder can be changed, and the stirring device can be suitable for stirring materials of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to material stirring mixing technical field, concretely relates to a material stirring mixing system inner tube sealing structure. BACKGROUND

[0002] The inner tube of material stirring mixing system rotates continuously in the operation process, and sealing requirements exist between the inner tube and the cylinder cover, and between the cylinder cover and each component on the cylinder cover. The sealing firstly requires that foreign matters from outside cannot intrude, and secondly some special stirring mixed materials have vacuum degree requirements for the inner tube. The sealing state of the inner tube and the cylinder cover becomes the key prerequisite for realizing stable vacuum degree. The inner tube and the cylinder cover are dynamic sealing, and the cylinder cover and each component on the cylinder cover are static sealing. The existing material stirring system mostly adopts conventional sealing, and the sealing pressure is fixed and unchangeable, and the pressure adaptive range is fixed. SUMMARY

[0003] Therefore, the utility model discloses a material stirring mixing system inner tube sealing structure.

[0004] The material stirring mixing system inner tube sealing structure provided by the utility model adopts the following technical scheme:

[0005] A material stirring mixing system inner tube sealing structure, comprising an inner tube and a cylinder cover arranged on the inner tube, wherein the bottom of the cylinder cover is provided with a first sealing ring in the shape of a ring, the outer wall of the first sealing ring abuts against the inner wall of the inner tube, the inner tube can be driven to rotate relative to the cylinder cover, the cylinder cover can be driven to move vertically and is installed on the inner tube for adjusting the tightness of the first sealing ring and the inner wall of the inner tube, and the top of the cylinder cover is provided with a vacuum extraction interface for installing a vacuum extraction device.

[0006] Further, the outer wall of the inner tube is provided with a mounting platform, the mounting platform is provided with a mounting assembly for mounting the cylinder cover on the inner tube, the mounting assembly comprises a lifting servo motor and a ball screw arranged vertically and in transmission cooperation with the lifting servo motor, and the ball screw penetrates through the cylinder cover and is in transmission cooperation with the cylinder cover.

[0007] Further, the mounting platform is provided with a mounting rack for fixing the mounting assembly, and the mounting rack can be driven to move on the mounting platform for adjusting the horizontal position of the cylinder cover.

[0008] Further, the mounting platform is provided with a driving assembly for driving the mounting rack to move, and the driving assembly comprises a driving motor located on the mounting platform, a driving screw in transmission cooperation with the driving motor, and a moving sleeve in screw cooperation with the driving screw and slidingly arranged on the mounting platform, and the mounting rack is arranged on the moving sleeve.

[0009] Further, the mounting platform is provided with a guide rail for sliding movement of the moving sleeve.

[0010] Further, the displacement sensor is arranged on the barrel cover, and a position sensing column that cooperates with the displacement sensor is arranged on the upper edge of the moving sleeve in the vertical direction.

[0011] Further, the moving sleeve is further provided with a pressure sensor, and the barrel cover is abutted on the pressure sensor when moving downward to detect the pressure of the barrel cover on the inner barrel.

[0012] Further, a toothed disc is arranged on the outer wall of the inner barrel, the toothed disc is located on the mounting platform and below the barrel cover, a driving gear that meshes with the toothed disc is arranged on one side of the toothed disc on the mounting platform, the driving gear can be driven to rotate, and the inner barrel is driven to rotate by the toothed disc when the driving gear rotates, so that the inner barrel rotates relative to the barrel cover.

[0013] Further, the bottom of the barrel cover is provided with a first sealing groove for mounting a first sealing ring, one side of the first sealing ring towards the inner wall of the inner barrel is arranged in an inclined manner, the side wall of the inner barrel is inserted into the first sealing ring and is pressed on the first sealing ring, and the side wall of the inner barrel in contact with the first sealing ring is arranged in an inclined manner on one side and has the same inclination angle as the first sealing ring.

[0014] Further, the bottom of the barrel cover is provided with a second sealing groove outside the first sealing groove, the side wall of the inner barrel is provided with a sealing plate arranged in a ring shape and inserted into the second sealing groove, and the inner walls of the first sealing groove and the second sealing groove are both provided with a second sealing ring, and the outer walls of the inner barrel and the sealing plate are both in contact with the second sealing ring.

[0015] In summary, the utility model contains at least one of the following beneficial effects: the sealing pressure can be dynamically adjusted through the dynamic sealing mode, the range is wider, the sealing effect is better, the sealing ring can be fully utilized, the service life of the sealing ring is longer, the sealing pressure in the inner barrel can be changed, and different specifications of materials can be stirred. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a sealing structure schematic view of the inner barrel and the barrel cover of the utility model embodiment.

[0017] Fig. 2 It is a mounting structure schematic view of the inner barrel and the barrel cover of the utility model embodiment.

[0018] MARK NUMBER EXPLANATION:

[0019] 1, inner cylinder; 11, sealing plate; 2, cylinder cover; 21, first sealing ring; 22, vacuum interface; 23, first sealing groove; 24, second sealing groove; 25, second sealing ring; 26, displacement sensor; 3, mounting assembly; 31, lifting servo motor; 32, ball screw; 4, drive assembly; 41, drive motor; 42, drive screw; 43, moving sleeve; 44, position sensing column; 45, pressure sensor; 5, mounting platform; 51, mounting frame; 52, drive gear; 53, guide rail; 6, toothed disc. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail with specific examples. Other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present specification. The present application can also be implemented or applied in other different embodiments, and various modifications or changes can be made to the details in the present specification without departing from the spirit of the present application.

[0021] The following will be described in detail with reference to the accompanying drawings Figs. 1-2 The present application will be described in detail.

[0022] The embodiments of the present application disclose a material stirring and mixing system inner cylinder sealing structure. Referring to Figs. 1-2 , the material stirring and mixing system inner cylinder sealing structure comprises an inner cylinder 1 and a cylinder cover 2 arranged on the inner cylinder 1, the bottom of the cylinder cover 2 is provided with a first sealing ring 21 in the form of a ring, the outer wall of the first sealing ring 21 abuts against the inner wall of the inner cylinder 1, the inner cylinder 1 can be driven to rotate relative to the cylinder cover 2, the cylinder cover 2 can be driven to move vertically and is installed on the inner cylinder 1 for adjusting the tightness of the first sealing ring 21 and the inner wall of the inner cylinder 1, the top of the cylinder cover 2 is provided with a vacuum interface 22 for installing a vacuum device, and the cylinder cover 2 is further provided with a stirring assembly, a sight glass assembly and a wall scraper assembly, by driving the cylinder cover 2 to move downward, the cylinder cover 2 is installed on the inner cylinder 1, so that the inner cylinder 1 is pressed against the inner wall of the first sealing ring 21, the sealing pressure of the cylinder cover 2 and the inner cylinder 1 can be adjusted by moving the cylinder cover 2 up and down, different specifications of material stirring can be adapted, and the inner cylinder 1 is subjected to vacuum treatment by the vacuum device after sealing.

[0023] In the embodiment, the inner cylinder 1 is provided with a mounting platform 5, and the mounting platform 5 is provided with a mounting assembly 3 for mounting the cylinder cover 2 on the inner cylinder 1, the mounting assembly 3 comprises a lifting servo motor 31 and a ball screw 32 vertically arranged and in transmission cooperation with the lifting servo motor 31, the ball screw 32 penetrates through the cylinder cover 2 and is in transmission cooperation with the cylinder cover 2, the cylinder cover 2 can be moved on the ball screw 32 through the transmission cooperation of the lifting servo motor 31 and the ball screw 32, the cylinder cover 2 can be mounted on the inner cylinder 1 through the ball screw 32, the up and down movement of the cylinder cover is controlled by the ball screw 32, the pressure of the cylinder cover 2 on the inner cylinder 1 is controlled, and the sealing capacity of the first sealing ring 21 is adjusted, so as to meet the requirement of the vacuum degree on the sealing pressure.

[0024] In the embodiment, the mounting platform 5 is provided with a mounting frame 51 for fixing the mounting assembly 3, and the mounting frame 51 can be driven to move on the mounting platform 5 for adjusting the horizontal position of the cylinder cover 2, so that the horizontal position of the cylinder cover 2 can be adjusted, and the cylinder cover 2 can be more accurately mounted on the inner cylinder 1.

[0025] In the embodiment, the mounting platform 5 is provided with a driving assembly 4 for driving the mounting frame 51 to move, the driving assembly 4 comprises a driving motor 41 located on the mounting platform 5, a driving screw 42 in transmission cooperation with the driving motor 41, and a moving sleeve 43 in screw cooperation with the driving screw 42 and slidingly arranged on the mounting platform 5, and the mounting frame 51 is arranged on the moving sleeve 43.

[0026] In the embodiment, the mounting platform 5 is provided with a guide rail 53 for sliding movement of the moving sleeve 43.

[0027] In the embodiment, the cylinder cover 2 is provided with a displacement sensor 26, and the moving sleeve 43 is vertically provided with a position sensing column 44 in cooperation with the displacement sensor 26, the displacement sensor 26 gradually approaches the position sensing column 44 during the descending process of the cylinder cover 2, the height position of the cylinder cover 2 can be fed back through the position sensing column 44, so that the mounting height of the cylinder cover 2 is more accurate.

[0028] In the embodiment, the moving sleeve 43 is further provided with a pressure sensor 45, and the cylinder cover 2 abuts against the pressure sensor 45 during the descending process of the cylinder cover 2 for detecting the pressure of the cylinder cover 2 on the inner cylinder 1, the pressure sensor 45 can be used for controlling the lifting servo motor 31 to drive the ball screw 32 to adjust the up and down position of the cylinder cover 2 according to the vacuum parameter and the pressure of the inner cylinder 1 and the cylinder cover 2 displayed by the pressure sensor 45, so as to select a suitable pressure value under the premise of meeting the vacuum degree requirement of the inner cylinder 1 and ensure the vacuum degree.

[0029] In the embodiment, the inner cylinder 1 is provided with a gear disc 6 on the outer wall thereof, the gear disc 6 is located on the mounting platform 5 and below the cylinder cover 2, the mounting platform 5 is provided with a driving gear 52 engaged with the gear disc 6 on one side of the gear disc 6, the driving gear 52 can be driven to rotate, the mounting platform 5 is provided with a driving motor for driving the driving gear 52 to rotate, when the driving gear 52 rotates, the inner cylinder 1 is driven to rotate by the gear disc 6, so that the inner cylinder 1 rotates relative to the cylinder cover 2, in use, the main machine is started, the driving gear 52 is driven to rotate by the motor, and the inner cylinder 1 is driven to rotate, the inner cylinder 1 rotates relative to the cylinder cover 2, and the first sealing ring 21 forms dynamic friction, the sight glass assembly, the wall scraper assembly, the stirring assembly and the like are stationary relative to the cylinder cover 2.

[0030] In the embodiment, the bottom of the cylinder cover 2 is provided with a first sealing groove 23 for mounting the first sealing ring 21, one side of the first sealing ring 21 towards the inner wall of the inner cylinder 1 is inclined, the side wall of the inner cylinder 1 is inserted into the first sealing ring 21 and is pressed on the first sealing ring 21, the side wall of the inner cylinder 1 in contact with the first sealing ring 21 is inclined on one side and the inclination angle is the same as that of the first sealing ring 21, and the inclination angle is 75°, so that the sealing effect of the first sealing ring 21 is better.

[0031] In the embodiment, the bottom of the cylinder cover 2 is provided with a second sealing groove 24 outside the first sealing groove 23, the side wall of the inner cylinder 1 is provided with a sealing plate 11 in the shape of a ring and inserted into the second sealing groove 24, the inner walls of the first sealing groove 23 and the second sealing groove 24 are both provided with a second sealing ring 25, and the outer walls of the inner cylinder 1 and the sealing plate 11 are both in contact with the second sealing ring 25.

[0032] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A material mixing system inner cylinder seal structure, characterized by: The application relates to a cylinder cover (2) provided on an inner cylinder (1), wherein the bottom of the cylinder cover (2) is provided with a ring-shaped first sealing ring (21), the outer wall of the first sealing ring (21) abuts against the inner wall of the inner cylinder (1), the inner cylinder (1) can be driven to rotate relative to the cylinder cover (2), and the cylinder cover (2) can be driven to move vertically and is installed on the inner cylinder (1) for adjusting the tightness between the first sealing ring (21) and the inner wall of the inner cylinder (1).

2. The material mixing system inner cylinder sealing structure according to claim 1, characterized in that: An installation platform (5) is arranged on the outer wall of the inner cylinder (1), the installation platform (5) is provided with an installation assembly (3) for installing the cylinder cover (2) on the inner cylinder (1), the installation assembly (3) comprises a lifting servo motor (31) and a ball screw (32) arranged vertically and in transmission cooperation with the lifting servo motor (31), and the ball screw (32) penetrates through the cylinder cover (2) and is in transmission cooperation with the cylinder cover (2).

3. The material mixing system inner cylinder sealing structure according to claim 2, characterized in that: An installation frame (51) for fixing the installation assembly (3) is arranged on the installation platform (5), and the installation frame (51) can be driven to move on the installation platform (5) for adjusting the horizontal position of the cylinder cover (2).

4. The material mixing system inner cylinder sealing structure according to claim 3, characterized in that: A driving assembly (4) for driving the installation frame (51) to move is arranged on the installation platform (5), the driving assembly (4) comprises a driving motor (41) arranged on the installation platform (5), a driving screw (42) in transmission cooperation with the driving motor (41) and a moving sleeve (43) in screw cooperation with the driving screw (42) and slidingly arranged on the installation platform (5), and the installation frame (51) is arranged on the moving sleeve (43).

5. The material mixing system inner cylinder sealing structure according to claim 4, characterized in that: A displacement sensor (26) is arranged on the cylinder cover (2), and a position sensing column (44) in cooperation with the displacement sensor (26) is arranged vertically on the moving sleeve (43).

6. The material mixing system inner cylinder sealing structure according to claim 4, characterized in that: A pressure sensor (45) is further arranged on the moving sleeve (43), and the cylinder cover (2) abuts against the pressure sensor (45) when moving downward for detecting the pressure of the cylinder cover (2) on the inner cylinder (1).

7. The material mixing system inner cylinder sealing structure according to claim 1, characterized in that: A gear disc (6) is arranged on the outer wall of the inner cylinder (1), the gear disc (6) is arranged on the installation platform (5) and below the cylinder cover (2), a driving gear (52) in meshing cooperation with the gear disc (6) is arranged on one side of the gear disc (6) on the installation platform (5), the driving gear (52) can be driven to rotate, and the driving gear (52) drives the inner cylinder (1) to rotate through the gear disc (6) when rotating, so that the inner cylinder (1) rotates relative to the cylinder cover (2).

8. The material mixing system inner cylinder sealing structure according to claim 1, characterized in that: The bottom of the cylinder cover (2) is provided with a first sealing groove (23) for installing the first sealing ring (21), one side of the first sealing ring (21) facing the inner wall of the inner cylinder (1) is arranged obliquely, the side wall of the inner cylinder (1) is inserted into the first sealing ring (21) and is pressed on the first sealing ring (21), and the side wall of the inner cylinder (1) is arranged obliquely on one side and the oblique angle is the same as that of the first sealing ring (21).

9. The material mixing system inner cylinder sealing structure according to claim 8, characterized in that: The bottom of the cylinder cover (2) is provided with a second sealing groove (24) outside the first sealing groove (23), the side wall of the inner cylinder (1) is provided with a sealing plate (11) in the shape of a ring and inserted into the second sealing groove (24), the inner walls of the first sealing groove (23) and the second sealing groove (24) are both provided with a second sealing ring (25), and the outer wall of the inner cylinder (1) and the outer wall of the sealing plate (11) are both in contact with the second sealing ring (25).

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