CN219006627U - Discharging door structure of internal mixer - Google Patents

Abstract

The utility model discloses a discharging door structure of an internal mixer, which comprises a frame, a mixing drum, a discharging door and a discharging door seat, wherein the discharging door and the discharging door seat are positioned at the bottom of the mixing drum; according to the embodiment, the discharging door is provided with the independent oil cylinder with the rotating shaft, the hinged far end is enabled to be matched with the transverse fixing mechanism, the door and the discharging opening are closed tightly, pressure is continuously applied by continuously pressing and propping against the rubber pad through the power cylinder, the discharging door obtains side pressure, the discharging door has extremely high continuous tightness, the problems of material leakage and the like cannot be caused under the influence of material pressure generated in the vibration and mixing process, the cost is saved, the efficiency is improved, and the adverse effect caused by material leakage is avoided.

Description

Discharging door structure of internal mixer

Technical Field

The utility model relates to the technical field of internal mixers, in particular to a discharge door structure of an internal mixer.

Background

The internal mixer, also called kneading machine, is mainly used for plasticating and mixing rubber, is a mechanical device provided with a pair of rotors which are of specific shape and rotate relatively, and plasticates and mixes polymer materials in a clearance way under a closed state with adjustable temperature and pressure, and the existing internal mixer discharging device generally adopts a hydraulic discharging mode and consists of a rack gear and a hydraulic oil cylinder, wherein a piston rod of the hydraulic oil cylinder drives a rack to move, the rack drives the gear to rotate, and the gear drives a discharging door to rotate for discharging; during the use, it is found that when the discharging door is closed, the self weight of the discharging door and the weight of the material above the discharging door are all applied to the joint of the rack, the gear or the shaft, and the discharging door is supported only by the cooperation of the rack and the gear, so that the structure is unstable, the hydraulic structure is easy to damage, and the using effect is poor.

As the hydraulic type discharge door mechanism of the internal mixer of CN202121231657.0 in the prior art, a discharge door mechanism with auxiliary supporting rods is disclosed, auxiliary supporting is carried out by increasing the supporting rods, and the service life of the device is prolonged, however, the above technical scheme still has the advantages that the auxiliary supporting rods only provide supporting force to lift the bearing problem of the discharge door, the problem of material leakage cannot be well solved, the power mechanism of the discharge door still needs to provide continuous pressure, the far-end side of the driving mechanism is relatively poor, the tightness between the discharge door and the mixing drum is difficult to well maintain, the problem of material leakage not only brings production loss, but also the leaked materials are mixed with the materials after the mixing is incomplete, and the product quality is damaged.

Disclosure of Invention

The utility model aims to solve the problem that a continuously-powered driving opening of a single-side driving mechanism of a discharging door in the prior art is not tight in sealing, and provides a scheme design which is provided with an auxiliary fixing mechanism, can provide continuous sealing performance by giving pressure to the discharging door through the fixing mechanism and is convenient for opening and closing of the discharging door.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a banbury mixer's gate structure of unloading, includes frame, mixing drum, is located the gate of unloading and the gate seat of unloading of mixing drum bottom, its characterized in that: one end of the discharging door is provided with a hinge shaft, the hinge shaft is connected with a driving unit, the other end of the discharging door is provided with a fixing mechanism in a matching way, the fixing mechanism comprises a telescopic power cylinder and a fixing plate which stretches relative to the discharging door, the flexible direction of fixed plate is perpendicular with mixing drum bottom opening, the inclined plane that the discharge door and fixed plate offset is provided with the rubber pad.

As a further arrangement of the scheme, the fixed plate extends out to face the discharging door and is provided with an inclined surface structure on the end surface opposite to the end surface, of the rubber pad arranged on the discharging door, and the discharging door is also provided with an inclined surface.

As a further arrangement of the scheme, the inclined plane is provided with a groove opening, and the rubber pad is positioned in the groove opening and fixed on the discharging door through bolts.

As the further setting of above-mentioned scheme, the piston rod of the flexible power jar of fixed plate rear end connection, flexible power jar is fixed in the frame, still the cover is equipped with the spring on the piston rod, spring elasticity resets and drives the piston rod and stretches out towards unloading door, drives fixed plate butt unloading door.

As the further setting of above-mentioned scheme, the extension of unloading door is provided with the clamping jaw structure, the clamping jaw structure includes radial bolt hole and axial spliced eye, the clamping jaw structure is C type structure, is provided with the breach in its circumference, the bolt hole runs through the clamping jaw outer wall about the breach, the articulated shaft of drive unit's spindle connection stretches into the spliced eye, and the bolt locking centre gripping through setting up in the bolt hole is fixed.

The beneficial effects are that: compared with the prior art, the structure that the discharge door is closed by adopting single-side overturning driving, the discharge door is provided with the independent oil cylinder with the rotating shaft, the discharge door is closed by utilizing the rotation, the hinged far-end door and the discharge opening are tightly closed by matching with the transverse fixing mechanism, the independent telescopic power cylinder works after the discharge door is closed, the pressure is continuously applied to the pressure and the rubber pad is propped against the power cylinder, the discharge door is subjected to pressure in the side direction, the extremely high continuous tightness is achieved, the spring can provide continuous sealing force when the pressure of the power cylinder is insufficient, the equipment adopting the scheme is in the working state, the problems of material leakage and the like are avoided under the influence of material pressure caused by vibration and mixing process, the cost is saved by a user, the efficiency is improved, and the adverse effect caused by material leakage is avoided.

Drawings

FIG. 1 is a schematic diagram of the internal mixer of the present utility model.

FIG. 2 is a schematic view of the structure of the discharge door of the present utility model.

Figure 3 is a cross-sectional view of the utility discharge door.

Fig. 4 is a partial enlarged view of fig. 3 of the present utility model.

Reference numerals: 1. a frame; 2. a mixing drum; 3. a discharge door; 31. a hinge shaft; 32. a driving unit; 33. an inclined plane; 34. a rubber pad; 35. a slope surface; 36. a groove opening; 4. a discharging door seat; 5. a fixing mechanism; 51. a telescopic power cylinder; 52. a fixing plate; 55. an inclined plane structure; 58. a spring; 6. a clamping jaw structure; 61. bolt holes; 62. a plug hole; 63. a notch; 64. a keyway.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In addition, the embodiments of the present application and the features in the embodiments may be combined with each other without conflicting with each other.

The utility model provides a discharge door structure of banbury mixer as shown in fig. 1-4, includes frame 1, mixing drum 2, is located the discharge door 3 and the discharge gate seat 4 of mixing drum 2 bottom, its characterized in that: the utility model discloses a mixing drum, including unloading door 3, fixed establishment, rubber pad 34, fixed establishment, mixing drum 2, fixed establishment and rubber pad 34, the door 3 of unloading one end is provided with articulated shaft 31, just be connected with drive unit 32 on the articulated shaft 31, the other end cooperation is provided with fixed establishment 5, fixed establishment 5 includes flexible power cylinder 51 and relative 3 flexible fixed plate 52 of unloading, the flexible direction of fixed plate 52 is perpendicular with mixing drum 2 bottom opening, the inclined plane 33 that unloading door 3 and fixed plate 52 offset is provided with rubber pad 34.

As a further arrangement of the above scheme, the fixing plate 52 extends out to face the discharging door 3 and is provided with a bevel structure 55 on an end face opposite to the rubber pad 34 arranged on the discharging door 3 and on the other opposite end face, and the discharging door 3 is further provided with a bevel face 35.

As a further arrangement of the above solution, the inclined surface 33 is provided with a recess 36, and the rubber pad 34 is located in the recess 36 and is fixed on the discharge door 3 by bolts.

As a further arrangement of the scheme, a piston rod of the telescopic power cylinder 51 is connected with the rear end of the fixing plate 52, the telescopic power cylinder 51 is fixed on the frame 1, a spring 58 is further sleeved on the piston rod, the spring 58 elastically resets and drives the piston rod to extend towards the discharging door 3, and the fixing plate 52 is driven to abut against the discharging door 3.

As a further arrangement of the above scheme, the unloading door 3 is provided with a clamping jaw structure 6 in an extending manner, the clamping jaw structure 6 comprises a radial bolt hole 61 and an axial inserting hole 62, the clamping jaw structure 6 is of a C-shaped structure, a notch 63 is arranged on the periphery of the clamping jaw structure, the bolt hole 61 penetrates through the outer walls of the clamping jaws above and below the notch 63, and the hinge shaft 31 connected with the main shaft of the driving unit 32 extends into the inserting hole 62 and is locked and clamped and fixed through a bolt arranged in the bolt hole 61.

The discharging door structure is aimed at the discharging door of the prior internal mixer, only sealing pressure at a single side is needed in a closed state, particularly, the far end of a swinging end is pressureless, the discharging door needs to continuously receive reverse pressure in a mixing drum to easily generate an open and close seam, and the driving of the discharging door in the prior art needs to continuously provide pressure to keep the door closed;

the technical principle of the embodiment comprises an internal mixer as shown in fig. 1, a mixing drum 2 of the internal mixer and a discharging door 3 positioned below the mixing drum 2 are fixed on a frame 1 as shown, a clamping jaw structure 6 is arranged on the discharging door 2 as shown in fig. 1, a driving unit 32 fixed on the frame is spliced on the clamping jaw structure 6, the clamping jaw structure 6 as shown in the figure comprises a splicing hole 62 for splicing a main shaft of the driving unit 32, a notch 63 is also arranged on the clamping jaw structure 6, the notch 63 penetrates through the clamping jaw structure 6 up and down and is provided with a bolt hole 61, when the internal mixer is used, the main shaft penetrates through the splicing hole 62 firstly and then is screwed and fixed through bolts in the bolt hole 61, the notch 63 is gradually reduced, the splicing hole 62 is reduced, the clamping jaw structure 6 clamps the main shaft, the clamping is stable, and as shown in fig. 2, corresponding key grooves 64 are also arranged on the main shaft and the clamping jaw structure 6, and the clamping jaw structure can limit the circumferential movement of the main shaft and the discharging door 3, and the main shaft can swing synchronously after the driving unit 32 is started;

in combination with the structure of the discharge door shown in fig. 3 and 4, the discharge door of this embodiment comprises a main body of the discharge door 3 and a fixing mechanism 5 which swings relative to the frame 1 and the mixing drum 2, when in use, the telescopic power cylinder 51 is controlled to start controlling the piston rod to move away from the direction of the discharge door 3, the fixing plate 52 is driven to release the contact with the inclined plane 33 of the discharge door 3, then, the driving unit 32 drives the discharge door 3 sealing the discharge opening at the bottom of the mixing drum 2 to swing, the discharge door 3 swings downwards along the hinge shaft 31 based on the rotation of the hinge shaft 31 connected with the main shaft of the driving unit 32, the discharge opening is opened by swinging downwards along the hinge shaft 31, the piston rod moves away from the direction of the discharge door 3 and simultaneously compresses the spring 58, in the open state, the telescopic power cylinder 51 loses power, the fixing plate 52 is in the extended state based on the spring 58, when the door is closed, the driving unit 32 drives the discharge door 3 to swing, based on the cooperation of the inclined plane 35 and the inclined plane structure 55, the fixing plate 52 is pushed to shrink briefly, when the discharge door 3 is closed, the upper inclined plane structure 55 is pushed to extend out by the thrust of the spring 58 again, the inclined plane structure 55 and the inclined plane 33 is arranged on the inclined plane 3, the sealing structure is set up, the pressure pad 34 is continuously, and the pressure is kept continuously high on the side of the sealing door is not extended on the side of the sealing door 3, and the sealing structure is kept on the side, when the sealing is well, and the pressure is kept on the sealing and the sealing door is kept on the sealing, and the sealing.

Compared with the prior art, the double-side continuous feeding pressure sealing device has the advantages that the double-side continuous feeding pressure sealing device is fixed on the discharging door 3 in a sealing manner, the working requirement of a mixing internal mixer can be better met, the phenomenon that materials fall due to loosening of the discharging door at the discharging opening is avoided, the discharging door is simple in structure and convenient to open and close, a spring is further arranged in comparison with the prior art, the sealing pressure requirement can be met when the air cylinder is insufficient in air supply, and the transversely extending fixing plate is prevented from pushing a fixing mechanism to form slotting under the vertical material pressure.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (5)

1. The utility model provides a discharge door structure of banbury mixer, includes frame (1), mixing drum (2), is located discharge door (3) and discharge gate seat (4) of mixing drum (2) bottom, its characterized in that: the utility model discloses a mixing drum, including unloading door (3), fixed establishment (5) including flexible power jar (51) and relative unloading door (3), flexible direction and mixing drum (2) bottom opening of fixed plate (52) are perpendicular, inclined plane (33) that unloading door (3) and fixed plate (52) offset are provided with rubber pad (34), just be connected with actuating unit (32) on articulated shaft (31), the other end cooperation is provided with fixed establishment (5).

2. A discharge door structure of an internal mixer according to claim 1, characterized in that: the fixed plate (52) stretches out to face the unloading door (3) and is provided with an inclined surface structure (55) on the end surface opposite to the end surface of the unloading door (3) which is propped against the rubber pad (34), and the inclined surface (35) is further arranged on the unloading door (3).

3. A discharge door structure of an internal mixer according to claim 1, characterized in that: the inclined plane (33) is provided with a groove opening (36), and the rubber pad (34) is positioned in the groove opening (36) and is fixed on the discharging door (3) through bolts.

4. A discharge door structure of an internal mixer according to claim 1, characterized in that: the automatic unloading device is characterized in that a piston rod of a telescopic power cylinder (51) is connected with the rear end of a fixing plate (52), the telescopic power cylinder (51) is fixed on a frame (1), a spring (58) is further sleeved on the piston rod, the spring (58) elastically resets to drive the piston rod to extend towards the unloading door (3), and the fixing plate (52) is driven to be abutted against the unloading door (3).

5. A discharge door structure of an internal mixer according to claim 1, characterized in that: the unloading door (3) is provided with clamping jaw structure (6) in an extending mode, the clamping jaw structure (6) comprises radial bolt holes (61) and axial inserting holes (62), the clamping jaw structure (6) is of a C-shaped structure, gaps (63) are formed in the circumference of the clamping jaw structure, the bolt holes (61) penetrate through the outer walls of the clamping jaws above and below the gaps (63), and a hinged shaft (31) connected with a main shaft of a driving unit (32) stretches into the inserting holes (62) and is locked and clamped through bolts arranged in the bolt holes (61).

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