A closed rubber mixer and method for melting composite materials

Abstract

The present invention discloses a closed rubber mixer and method for molten composite materials, belonging to the technical field of rubber mixers, comprising a control cabinet, a second shell, a third shell and a shearing shaft, a workbench is fixedly installed on the upper surface of the control cabinet, and a fourth shell, a first shell and a storage box are fixedly installed on the upper surface of the workbench. In the present invention, by installing a first bevel gear, a second bevel gear, a reciprocating screw, a moving block and a discharge pipe, the motor is turned on to drive the rotating shaft to rotate, the rotating shaft rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the shearing shaft to rotate, the sheared material falls onto a horizontal plate, the rotating shaft rotates to drive the moving block to move, the moving block moves to drive the moving plate to move, the material in the first shell is squeezed, and the material is introduced into the storage box through the discharge pipe for collection, while the material is sheared, the function of conveying the material is realized.

Description

Technical Field

[0001] The invention belongs to the technical field of rubber mixers, and in particular relates to a closed rubber mixer and method for melting composite materials. Background Art

[0002] Closed rubber mixing mill is referred to as internal mixer. The history of rubber mixing mill is relatively long. The earliest open type rubber mixing mill was put into production as early as 1826. Its structure is relatively simple and it is still widely used.

[0003] The utility model with the authorization publication number of CN 203792557 U, entitled "An improved internal mixer for manufacturing rubber magnets", discloses "including an internal mixer chamber...a graphite paper buffer layer is arranged in the elastic ring body. The utility model device is wear-resistant and has good dispersibility of rubber mixing". The traditional closed rubber mixer for melt-melting composite materials does not have the function of conveying the colloid after the rubber mixing is completed, resulting in some colloids adhering to the inside of the machine, which has an adverse effect on the next rubber mixing, and also wastes resources. The old colloids are easy to pollute the inside of the machine. The traditional closed rubber mixer for melt-melting composite materials does not have the effect of absorbing dust adhering to the surface of the material during the feeding process. The dust on the surface of the raw material causes the dust in the raw material when the material is discharged, which affects the quality of the finished product. The traditional closed rubber mixer for melt-melting composite materials does not have the function of preventing and sealing the feeding pipe, resulting in the feeding pipe being easily contaminated with dust when not in use, affecting the next feeding, and easily causing the feeding pipe to be easily blocked, requiring tools to clear, which is more troublesome. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the traditional closed rubber mixing machine for molten composite materials does not have the function of conveying the refined rubber after the rubber mixing is completed, resulting in some colloids adhering to the inside of the machine, which has an adverse effect on the next rubber mixing and also wastes resources. The old colloid is easy to pollute the inside of the machine. The traditional closed rubber mixing machine for molten composite materials does not have the effect of absorbing dust adhering to the surface of the material during the feeding process. The dust on the surface of the raw material causes dust in the raw material during the discharge, which affects the quality of the finished product. The traditional closed rubber mixing machine for molten composite materials does not have the function of preventing and sealing the feeding pipe, resulting in the feeding pipe being easily contaminated with dust when not in use, affecting the next feeding, and easily causing the feeding pipe to be easily blocked, requiring tools to clear it, which is relatively troublesome. A closed rubber mixing machine for molten composite materials is proposed.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a closed rubber mixing mill for molten composite materials, comprising a control cabinet, a second shell, a third shell and a shear shaft, a workbench is fixedly installed on the upper surface of the control cabinet, a fourth shell, a first shell and a storage box are fixedly installed on the upper surface of the workbench, a collecting box is arranged on the upper surface of the workbench, a motor with a shell is installed on the upper surface of the control cabinet, a rotating shaft is fixedly installed on one end of a rotating shaft installed at one end of an output shaft of the motor, one end of the rotating shaft passes through and extends to the inside of the fourth shell, a cross plate is fixedly installed on the inner wall of the fourth shell, a first bevel gear is fixedly installed on the outer surface of the rotating shaft, one end of the rotating shaft passes through and extends to the inside of the first shell and a reciprocating screw is fixedly installed, one end of the reciprocating screw is rotatably installed on the inside of a second bearing fixedly installed inside the first shell through the rotating shaft, a moving block is threadedly installed on the outer surface of the reciprocating screw, and the moving block The outer surface of the movable plate is fixedly installed, and the movable plate is slidably installed in the slide rail installed on the inner wall of the first shell through a slide groove opened on the outer surface, and a discharge pipe is fixedly installed on the outer surface of the first shell, and one end of the discharge pipe passes through and extends to the interior of the material storage box, and a cover plate is hinged on the upper surface of the material storage box through a hinge, and a handle is fixedly installed on the upper surface of the cover plate, and one end of the shearing shaft is rotatably installed on the inside of the first bearing fixedly installed on the inner wall of the fourth shell through a rotating shaft, and one end of the shearing shaft passes through and extends to one side of the cross plate, and a second bevel gear is fixedly installed, and the second bevel gear is connected to the first bevel gear through gear meshing connection. The inside of the third shell is fixedly installed, and an air pipe is fixedly installed on the side wall of the fourth shell, one end of the air pipe passes through and extends to the interior of the third shell and is fixedly connected to the air inlet of the dust cleaner, and the air outlet of the dust cleaner is fixedly connected to the air pipe, and one end of the air pipe passes through the second shell and extends to the interior of the collection box.

[0006] As a further description of the above technical solution:

[0007] A filter element is installed inside the second shell.

[0008] As a further description of the above technical solution:

[0009] A T-shaped shaft is inserted and installed in a positioning hole provided on the outer surface of the collection box, and a connecting rod is fixedly installed on the outer surface of the T-shaped shaft.

[0010] As a further description of the above technical solution:

[0011] A first spring is inserted and installed on the outer surface of the T-shaped shaft, one end of the first spring is fixedly installed on the outer wall of the connecting rod, and the other end of the first spring is fixedly installed on the side wall of the T-shaped shaft. The outer surface of the connecting rod is embedded in a positioning hole opened on the outer surface of the second shell through a protrusion.

[0012] As a further description of the above technical solution:

[0013] The lower surface of the control cabinet is fixedly mounted with bottom legs, and four bottom legs are evenly distributed on the lower surface of the control cabinet.

[0014] As a further description of the above technical solution:

[0015] An inclined plate is installed on the side wall of the transverse plate, and one side of the inclined plate passes through the first shell and extends to one side of the moving block.

[0016] As a further description of the above technical solution:

[0017] A pressure plate is installed on the outer surface of the moving block via a second spring.

[0018] As a further description of the above technical solution:

[0019] A protective cover is slidably installed in a travel groove provided on the upper surface of the workbench.

[0020] As a further description of the above technical solution:

[0021] Two discharge pipes are symmetrically installed about the longitudinal center axis of the first shell.

[0022] As a further description of the above technical solution:

[0023] A feed pipe is fixedly mounted on the side wall of the fourth shell, a mounting frame is rotatably mounted on the outer wall of the feed pipe via a rotating shaft, and a T-shaped pull shaft is slidably mounted inside the mounting frame via a sliding sleeve.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0025] 1. In the present invention, the first bevel gear, the second bevel gear, the reciprocating screw, the moving block and the discharge pipe are installed, the motor is turned on to drive the rotating shaft to rotate, the rotating shaft rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, and the second bevel gear rotates to drive the shearing shaft to rotate, so as to shear the material. The sheared material falls onto the horizontal plate, and then falls into the first shell through the inclined plate. The rotating shaft rotates to drive the moving block to move, and the moving block moves to drive the moving plate to move, and squeezes the material in the first shell, and introduces it into the storage box through the discharge pipe for collection, so as to realize the shearing of the material and the conveying function of the material, thereby avoiding the problem that the closed rubber mixer for traditional melt composite materials does not have the function of conveying the refined rubber, causing some colloids to adhere to the inside of the machine, affecting the next rubber mixing and wasting resources, and the old colloids are easy to pollute the inside of the machine.

[0026] 2. In the present invention, an air pipe, a second shell, a collecting box, a T-shaped shaft, a first spring and a connecting rod are installed, and the vacuum cleaner in the third shell is turned on. While feeding the device, the dust on the surface of the material is adsorbed by the vacuum cleaner and introduced into the collecting box through the air pipe. Large impurities are filtered through the filter element to avoid falling directly into the collecting box, thereby solving the problem that the traditional closed rubber mixer for molten composite materials does not have the effect of vacuuming the dust attached to the surface of the material during the feeding process, and the dust on the surface of the raw material causes dust in the raw material during discharge, which affects the quality of the finished product. The first spring is contracted by pulling the T-shaped shaft, and the connecting rod is driven to move. The movement of the connecting rod drives the protrusion on the side wall of the connecting rod to disengage from the positioning hole on the side wall of the second shell, and the air pipe is pulled out of the collecting box, thereby realizing the disassembly of the second shell and the collecting box. It is convenient, quick and practical.

[0027] 3. In the present invention, a feed pipe, a T-shaped pull shaft and a mounting frame are installed. When the device is not in use, the T-shaped pull shaft is pushed and one end of the T-shaped pull shaft is inserted into the interior of the feed pipe to avoid dust from entering the interior of the device from the feed pipe when the device is not in use. When the feed pipe is blocked during feeding, the T-shaped pull shaft is pushed. Since a piston is fixedly installed at one end of the T-shaped pull shaft, the piston contacts and squeezes the inner wall of the feed pipe, pushing the material into the feed pipe, thereby solving the problem of blockage of the feed pipe.

[0028] 4. In the present invention, by installing an inclined plate, a second spring and a pressure plate, when the moving block moves, it drives the moving plate to move and drives the inclined plate to separate from the moving plate. At this time, due to the elastic force of the second spring, the pressure plate is pulled to block the holes opened on the surface of the moving plate, thereby ensuring the high efficiency of the moving plate in pushing and shearing the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A three-dimensional diagram of the front view of a closed rubber mixer for melting composite materials proposed by the present invention;

[0030] Figure 2 This is a front view of a closed rubber mixer for melting composite materials proposed by the present invention with the protective cover removed;

[0031] Figure 3 An enlarged stereoscopic view of a second shell and a collecting box in a closed rubber mixer for melting composite materials proposed by the present invention;

[0032] Figure 4 This is a schematic diagram of the enlarged structure of point A in a closed rubber mixer for molten composite materials proposed by the present invention;

[0033] Figure 5 This is a schematic diagram of the enlarged structure of position B in a closed rubber mixer for molten composite materials proposed by the present invention;

[0034] Figure 6 This is a schematic diagram of the enlarged structure of point C in a closed rubber mixer for molten composite materials proposed by the present invention.

[0035] Legend: 1. First bearing; 2. Reciprocating screw; 3. Moving block; 4. First housing; 5. Second bearing; 6. Discharge pipe; 7. Cover plate; 8. Handle; 9. Storage box; 10. Workbench; 11. Control cabinet; 12. Bottom leg; 13. Inclined plate; 14. First bevel gear; 15. Rotating shaft; 16. Second bevel gear; 17. Motor; 18. Collecting box; 19. T-shaped shaft; 20. First spring; 21. Connecting rod; 22. Second housing; 23. Air pipe; 24. Third housing; 25. Vacuum cleaner; 26. Shear shaft; 27. Fourth housing; 28. Protective cover; 29. ​​Travel groove; 30. T-shaped pull shaft; 31. Mounting frame; 32. Feed pipe; 33. Second spring; 34. Moving plate; 35. Pressing plate; 36. Horizontal plate. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-6 The present invention provides a technical solution: a closed rubber mixer for melting composite materials, comprising a control cabinet 11, a second shell 22, a third shell 24 and a shear shaft 26, a workbench 10 is fixedly installed on the upper surface of the control cabinet 11, a fourth shell 27, a first shell 4 and a storage box 9 are fixedly installed on the upper surface of the workbench 10, a collecting box 18 is arranged on the upper surface of the workbench 10, a protective cover 28 is slidably installed in a stroke groove 29 opened on the upper surface of the workbench 10, by installing the protective cover 28, when the device is not used, by pushing the protective cover 28 to slide in the stroke groove 29, by closing the two protective covers 28, the protection and dustproof of the device are achieved by pulling, a motor 17 with a shell is installed on the upper surface of the control cabinet 11, a bottom leg 12 is fixedly installed on the lower surface of the control cabinet 11, and four bottom legs 12 are evenly distributed on the lower surface of the control cabinet 11, and the device can have higher stability by installing four bottom legs 12;

[0038] The rotating shaft 15 is fixedly installed at one end of the rotating shaft installed at one end of the output shaft of the motor 17, and one end of the rotating shaft 15 passes through and extends to the inside of the fourth shell 27. A feed pipe 32 is fixedly installed on the side wall of the fourth shell 27, and a mounting frame 31 is rotatably installed on the outer wall of the feed pipe 32 through the rotating shaft. A T-shaped pull shaft 30 is slidably installed inside the mounting frame 31 through a sliding sleeve. By installing the feed pipe 32, feeding of the device is realized, and by installing the mounting frame 31 and T-shaped pull shaft 30. When the device is not in use, push the T-shaped pull shaft 30 and insert one end of the T-shaped pull shaft 30 into the inside of the feed pipe 32 to prevent dust from entering the inside of the device from the feed pipe 32 when the device is not in use. When the feed pipe 32 is blocked during feeding, push the T-shaped pull shaft 30. Since a piston is fixedly installed at one end of the T-shaped pull shaft 30, the piston contacts and squeezes the inner wall of the feed pipe 32, pushing the material into the feed pipe 32, thereby solving the problem of blockage of the feed pipe 32.

[0039] A transverse plate 36 is fixedly mounted on the inner wall of the fourth housing 27, a first bevel gear 14 is fixedly mounted on the outer surface of the rotating shaft 15, one end of the rotating shaft 15 passes through and extends to the inside of the first housing 4 where a reciprocating screw 2 is fixedly mounted, one end of the reciprocating screw 2 is rotatably mounted on the inside of a second bearing 5 fixedly mounted on the inside of the first housing 4 through a rotating shaft, a moving block 3 is threadedly mounted on the outer surface of the reciprocating screw 2, a moving plate 34 is fixedly mounted on the outer surface of the moving block 3, the moving plate 34 is slidably mounted in a slide rail mounted on the inner wall of the first housing 4 through a slide groove provided on the outer surface, a discharge pipe 6 is fixedly mounted on the outer surface of the first housing 4, two of the discharge pipes 6 are symmetrically mounted about the longitudinal center axis of the first housing 4, and by installing two discharge pipes 6, the conveying speed of the sheared material is increased;

[0040] One end of the discharge pipe 6 passes through and extends to the interior of the storage box 9, and a cover plate 7 is hinged on the upper surface of the storage box 9 through a hinge, and a handle 8 is fixedly installed on the upper surface of the cover plate 7. One end of the shear shaft 26 is rotatably installed on the inside of the first bearing 1 fixedly installed on the inner wall of the fourth shell 27 through a rotating shaft, and one end of the shear shaft 26 passes through and extends to one side of the cross plate 36 where a second bevel gear 16 is fixedly installed. An inclined plate 13 is installed on the side wall of the cross plate 36, and the inclined plate 13 has a certain amount of up and down movable clearance. One side of the inclined plate 13 passes through the first shell 4 and extends to one side of the movable plate 34. By installing the inclined plate 13, the sheared material falls into the interior of the first shell 4;

[0041] The outer surface of the movable plate 34 is provided with a pressing plate 35 via a second spring 33. By installing the pressing plate 35, the movable block 3 moves to drive the movable plate 34 to move. When the movable plate 3 is out of contact with the inclined plate 13, the elastic force of the second spring 33 drives the pressing plate 35 to close, thereby ensuring the high efficiency of conveying the sheared material.

[0042] The second bevel gear 16 is connected to the first bevel gear 14 through gear meshing, a dust collector 25 is fixedly installed inside the third shell 24, an air pipe 23 is fixedly installed on the side wall of the fourth shell 27, one end of the air pipe 23 passes through and extends to the inside of the third shell 24 and is fixedly connected to the air inlet of the dust collector 25, the air outlet of the dust collector 25 is fixedly connected to the air pipe 23, one end of the air pipe 23 passes through the second shell 22 and extends to the inside of the collection box 18, a filter element is installed inside the second shell 22, and the filter is installed to prevent larger impurities from falling into the inside of the collection box 18;

[0043] A T-shaped shaft 19 is inserted and installed in the positioning hole opened on the outer surface of the collection box 18, and a connecting rod 21 is fixedly installed on the outer surface of the T-shaped shaft 19. By installing the T-shaped shaft 19 and the connecting rod 21, the fixing function of the second shell 22 is realized, and a first spring 20 is inserted and installed on the outer surface of the T-shaped shaft 19, one end of the first spring 20 is fixedly installed on the outer wall of the connecting rod 21, and the other end of the first spring 20 is fixedly installed on the side wall of the T-shaped shaft 19. The outer surface of the connecting rod 21 is embedded in the positioning hole opened on the outer surface of the second shell 22 through a protrusion. When the second shell 22 and the collection box 18 need to be disassembled, the first spring 20 is driven to contract by pulling the T-shaped shaft 19, and the connecting rod 21 is driven to move. The movement of the connecting rod 21 drives the protrusion on the side wall of the connecting rod 21 to disengage from the positioning hole on the side wall of the second shell 22, and the air pipe 23 is pulled out from the collection box 18, thereby realizing the disassembly of the second shell 22 and the collection box 18.

[0044] Working principle: When in use, push the material from the feed pipe 32 into the interior of the device, turn on the motor 17 to drive the rotating shaft 15 to rotate, the rotation of the rotating shaft 15 drives the first bevel gear 14 to rotate, the rotation of the first bevel gear 14 drives the second bevel gear 16 to rotate, and the rotation of the second bevel gear 16 drives the shearing shaft 26 to rotate, so as to shear the material. At the same time, the sheared material flows into the interior of the first shell 4. The rotation of the rotating shaft 15 drives the moving block 3 to move, and the movement of the moving block 3 drives the moving plate 34 to move, and squeezes the material in the first shell 4, and introduces it into the storage box 9 through the discharge pipe 6 for collection, so as to realize the shearing of the material and the transportation of the material. Turn on the dust collector 25 in the third shell 24, and while feeding the device, the dust on the surface of the material is adsorbed by the dust collector 25, and introduced into the collection box 18 through the air pipe 23. Large impurities are filtered by the filter element in the second shell 22 to avoid falling directly into the collection box. When it is necessary to disassemble the second shell 22 and the collection box 18, pull the T-shaped shaft 19 to drive the third shell 24 to move. The first spring 20 contracts and drives the connecting rod 21 to move. The movement of the connecting rod 21 drives the protrusion on the side wall of the connecting rod 21 to disengage from the positioning hole on the side wall of the second shell 22, and the air pipe 23 is pulled out from the collection box 18, thereby realizing the disassembly of the second shell 22 and the collection box 18. When the moving block 3 moves and drives the moving plate 34 to move and disengage from the inclined plate 13, the elastic force of the second spring 33 drives the pressing plate 35 to close, thereby ensuring the high efficiency of conveying the sheared material. When the device is not used, the protective cover 28 is pushed to slide in the stroke groove 29. By closing the two protective covers 28, the device is pulled to protect and prevent dust. When the device is not in use, the T-shaped pull shaft 30 is pushed, and one end of the T-shaped pull shaft 30 is inserted into the interior of the feed pipe 32 to prevent dust from entering the interior of the device from the feed pipe 32 when the device is not in use. When the feed pipe 32 is blocked during feeding, the T-shaped pull shaft 30 is pushed. Since a piston is fixedly installed at one end of the T-shaped pull shaft 30, the piston contacts and squeezes the inner wall of the feed pipe 32, pushing the material into the feed pipe 32, thereby solving the problem of blockage of the feed pipe 32.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A closed rubber mixer for melting composite materials, comprising a control cabinet (11), a second shell (22), a third shell (24) and a shear shaft (26), characterized in that: A workbench (10) is fixedly mounted on the upper surface of the control cabinet (11); a fourth housing (27), a first housing (4) and a material storage box (9) are fixedly mounted on the upper surface of the workbench (10); a collection box (18) is provided on the upper surface of the workbench (10); a motor (17) having a housing is mounted on the upper surface of the control cabinet (11); a rotating shaft (15) is fixedly mounted on one end of a rotating shaft mounted on one end of an output shaft of the motor (17); one end of the rotating shaft (15) passes through and extends to the interior of the fourth housing (27); a transverse plate (36) is fixedly mounted on the inner wall of the fourth housing (27); a first bevel gear (14) is fixedly mounted on the outer surface of the rotating shaft (15); one end of the rotating shaft (15) is fixedly mounted on the outer surface of the rotating shaft (15); A reciprocating screw (2) is fixedly installed on the inner side of the first housing (4), and one end of the reciprocating screw (2) is rotatably installed on the inner side of a second bearing (5) fixedly installed on the inner side of the first housing (4) through a rotating shaft. A moving block (3) is threadedly installed on the outer surface of the reciprocating screw (2). A moving plate (34) is fixedly installed on the outer surface of the moving block (3). The moving plate (34) is slidably installed in a slide rail installed on the inner wall of the first housing (4) through a slide groove provided on the outer surface. A discharge pipe (6) is fixedly installed on the outer surface of the first housing (4). One end of the discharge pipe (6) passes through and extends to the inner side of a storage box (9). A cover plate (7) is hingedly connected to the upper surface of the storage box (9) through a hinge. The cover plate (7) ), one end of the shear shaft (26) is rotatably mounted on the inside of a first bearing (1) fixedly mounted on the inner wall of the fourth housing (27) via a rotating shaft, one end of the shear shaft (26) passes through and extends to one side of the transverse plate (36) where a second bevel gear (16) is fixedly mounted, the second bevel gear (16) and the first bevel gear (14) being meshedly connected via gears, a vacuum cleaner (25) is fixedly mounted inside the third housing (24), an air pipe (23) is fixedly mounted on the side wall of the fourth housing (27), one end of the air pipe (23) passes through and extends to the inside of the third housing (24) where it is fixedly connected to an air inlet of the vacuum cleaner (25), and an air outlet of the vacuum cleaner (25) is fixedly mounted. The second housing (22) is fixedly connected with an air pipe (23), one end of the air pipe (23) passes through the second housing (22) and extends to the interior of the collection box (18), a filter element is installed inside the second housing (22), a T-shaped shaft (19) is inserted and installed in a positioning hole provided on the outer surface of the collection box (18), a connecting rod (21) is fixedly installed on the outer surface of the T-shaped shaft (19), a first spring (20) is inserted and installed on the outer surface of the T-shaped shaft (19), one end of the first spring (20) is fixedly installed on the outer wall of the connecting rod (21), the other end of the first spring (20) is fixedly installed on the side wall of the T-shaped shaft (19), and the outer surface of the connecting rod (21) is embedded in the positioning hole provided on the outer surface of the second housing (22) through a protrusion.A bottom leg (12) is fixedly mounted on the lower surface of the control cabinet (11), and four bottom legs (12) are evenly distributed on the lower surface of the control cabinet (11). An inclined plate (13) is mounted on the side wall of the horizontal plate (36). One side of the inclined plate (13) passes through the first shell (4) and extends to one side of the movable plate (34). A pressure plate (35) is mounted on the outer surface of the movable plate (34) via a second spring (33). A protective cover (28) is slidably mounted in a travel groove (29) provided on the upper surface of the workbench (10). Two discharge pipes (6) are symmetrically mounted about the longitudinal center axis of the first shell (4). A feed pipe (32) is fixedly mounted on the side wall of the fourth shell (27). A mounting frame (31) is rotatably mounted on the outer wall of the feed pipe (32) via a rotating shaft. A T-shaped pull shaft (30) is slidably mounted inside the mounting frame (31) via a sliding sleeve.

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