CN213533323U

CN213533323U - Dustproof internal mixer

Info

Publication number: CN213533323U
Application number: CN202022423816.9U
Authority: CN
Inventors: 高海波; 曹福军; 黄添平; 陈键
Original assignee: Shenzhen Guanheng New Materials Technology Co ltd
Current assignee: Shenzhen Guanheng New Materials Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-25
Anticipated expiration: 2030-10-27

Abstract

The application relates to a dustproof internal mixer, which comprises a workbench, a material pressing assembly arranged on the workbench, and an internal mixing assembly used for mixing materials, wherein the internal mixing assembly comprises a hopper positioned below a material pressing cylinder and a driving piece driving the hopper to rotate, the hopper is formed by enclosing a bottom plate, a front baffle and a rear baffle which are arranged oppositely and two side plates positioned at two sides of the bottom plate, the internal mixing assembly further comprises a dustproof cover arranged on the workbench, a connecting line is formed at the joint of the hopper and the dustproof cover, the connecting line is in an arc shape or a linear shape, the distance between the end point of one end of the rear baffle and the rotation axis of the hopper is shortest, so that the hopper and the dustproof cover do not collide when unloading, the dustproof cover does not need to be moved again, and further dust attached to the inner side wall of the dustproof cover can not fly out due to shaking, the dustproof effect of the internal mixer is improved.

Description

Dustproof internal mixer

Technical Field

The application relates to the field of internal mixer equipment, in particular to a dustproof internal mixer.

Background

The existing closed rubber mixing mill is called as internal mixer for short, and is mainly used for plasticating and mixing rubber. The internal mixer is a machine which is equipped with a pair of rotors with specific shapes and can be relatively rotated, and can intermittently plasticate and mix polymer material under the closed state of adjustable temp. and pressure, and is mainly formed from internal mixing chamber, rotor sealing device, feeding and pressing device, discharging device, driving device and machine base.

The current chinese utility model patent of granting bulletin number CN209580147U discloses a banbury mixer that sets up novel dust cover, and the material cylinder of pressing that sets up on the cylinder mounting panel at banbury mixer top presses the material cylinder to downward effect connection of pressing the material entrance press the material to float the head, sets up two dustproof cylinders on the cylinder mounting panel, and the cylinder arm of dustproof cylinder sets up a mounting platform downwards, and mounting platform sets up a dust cover downwards: when the dustproof cylinder moves downwards, the dustproof cover and the material pressing platform at the material pressing inlet form a seal; when the dustproof cylinder moves upwards, the dustproof cover is separated from the material pressing platform; when the internal mixing works, the cylinder arm of the dustproof cylinder descends, and the dustproof cover and the material pressing platform at the material pressing inlet form a seal to prevent impurities from mixing and prevent mixed gas from leaking; the cylinder arm of the dustproof cylinder rises, and the dustproof cover is separated from the material pressing platform.

With respect to the related art in the above, the inventors consider that: the banbury mixer is powdered white carbon black material in can adding toward the material at the working process, orders about the dust cover design of lift through this kind of cylinder, and the dust cover is at the in-process that rises, and the dust of depending on at the dust cover inside wall can take place to drop, then drifts away from the dust cover and presses the clearance between the material platform, has reduced the dustproof effect of banbury mixer.

SUMMERY OF THE UTILITY MODEL

In order to reduce giving off of dust, improve dustproof effect, this application provides a dust type banbury mixer.

The application provides a dust type internal mixer adopts following technical scheme:

the utility model provides a dust type banbury mixer, comprises a workbench, install the pressure material subassembly on the workstation, be used for carrying out the banburying subassembly of mixing to the material, the banburying subassembly is including being located the hopper of pressing material cylinder below, and order about hopper pivoted driving piece, the hopper is by the bottom plate, relative preceding baffle and the backplate that sets up, and two curb plates that are located the bottom plate both sides enclose to close and form, the banburying subassembly is still including installing the dust cover on the workstation, the hopper forms the connecting wire with the junction of dust cover, the connecting wire is circular arc type or linear type, the connecting wire is the most short with the distance of hopper axis of rotation at the extreme point of the one end of.

By adopting the technical scheme, the material mixing work of the materials is completed under the common action of the material pressing component and the banburying component, because the upper end surface of the hopper is attached to the lower end surface of the dust cover, and the connecting line is arranged in an arc shape or a linear shape, the hopper and the dust cover cannot collide when unloading, the hopper is directly rotated through the driving piece, the hopper and the dust cover are directly separated, the dust cover does not need to be moved, further, dust attached to the inner side wall of the dust cover cannot fly out due to shaking, and the dustproof effect of the banbury mixer is improved; on the other hand, when the hopper rotates to a working state every time, a closed working cavity is formed between the hopper and the dust cover, and the flying-out of dust is reduced.

Preferably, a first sealing gasket is arranged between the hopper and the dust cover.

Through adopting above-mentioned technical scheme, sealed the clearance that reduces between hopper and the dust cover of filling, first sealed pad can hinder the dust in the hopper from the clearance drift between dust cover and the hopper when pressing the pressurization of material subassembly, and then further increase dustproof effect.

Preferably, the front baffle is provided with a discharge opening, the hopper is provided with a discharge door for sealing the discharge opening, and the discharge door is connected with the hopper through a connecting piece.

Through adopting above-mentioned technical scheme, when needs are unloaded, order about the hopper through the driving piece and take place to rotate, then through the operating condition who changes the connecting piece for it takes place to separate to unload bin gate and hopper, makes things convenient for the material of staff after to mixing work to collect.

Preferably, the connecting piece all is equipped with on the relative both ends of discharge door, and the connecting piece includes fixed connection in the lock seat of discharge door one end to and use and the attacker of fixed connection on the curb plate with the lock seat cooperation.

Through adopting above-mentioned technical scheme, be connected attacker and lock seat for hopper and discharge door relatively fixed, and then make the airtight chamber continue to keep encapsulated situation.

Preferably, the connecting piece is located the one end that the discharge door is close to the dust cover, and the preceding baffle outside is equipped with the butt plate of contradicting in discharge door lower extreme lateral wall, has the clearance that supplies the butt plate embedding between butt plate and the hopper.

Through adopting above-mentioned technical scheme, the butt board reduces the quantity of connecting piece, makes things convenient for the staff to open and be closed of discharge door, when guaranteeing the leakproofness to the airtight chamber, can be relatively fixed with discharge door and hopper.

Preferably, the butt plate up end is equipped with the first direction inclined plane that can contradict discharge door one end.

Through adopting above-mentioned technical scheme, first direction inclined plane plays the effect of direction for in the more convenient embedding clearance of discharge door, reduce butt plate and the rigid collision of discharge door.

Preferably, the discharging door is provided with a feeding hole, and the discharging door is provided with a sealing piece for sealing the feeding hole.

Through adopting above-mentioned technical scheme, in mixing process, need add different materials or auxiliary agent etc. according to the process, directly change the operating condition of sealing member for the staff directly adds the material through the feed inlet, and need not open the discharge door, perhaps takes place the hopper rotatory, and is simple and convenient.

Preferably, the seal comprises a feed tube mounted on the feedwell and a closure threadably connected to the free end of the feedwell.

Through adopting above-mentioned technical scheme, sealed lid threaded connection accomplishes the sealed chamber sealed to the port of inlet pipe, and convenient easy operation.

Preferably, the feed pipe is arranged obliquely downwards towards the hopper.

Through adopting above-mentioned technical scheme, the inlet pipe that the slope set up makes the material of adding under the action of gravity of self, and the gliding entering is airtight intracavity along the inlet pipe, reduces the phenomenon that the material remained at the inlet pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

through the arrangement of the connecting line between the dust cover and the hopper, the hopper is directly attached to the lower end face of the dust cover under the rotation action of the driving piece, so that the flying of dust can be effectively reduced, and the dust-proof effect of the internal mixer is improved;

the feeding pipe and the sealing cover act together, so that the workers can conveniently add other materials or auxiliary agents in the working process of the internal mixer.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an exploded view for showing the swaging assembly.

Fig. 3 is a partial schematic view showing the seal and the connector.

Description of reference numerals: 1. a work table; 11. a base; 12. a connecting seat; 13. a supporting seat; 14. a connecting rod; 2. a material pressing component; 21. a cylinder; 22. jacking and bolting; 3. a hopper; 301. a front baffle; 302. a tailgate; 303. a side plate; 304. a connecting wire; 31. a discharge opening; 32. a discharge door; 4. a drive member; 41. a drive motor; 42. a transmission member; 43. a driving wheel; 44. a driven wheel; 45. a belt; 5. a dust cover; 6. a closed cavity; 7. a first gasket; 71. a second gasket; 8. a connecting member; 81. buckling a handle; 82. a lock seat; 9. a butt joint plate; 91. a butting end; 92. a support end; 93. a gap; 94. a first guide slope; 10. a feed inlet; 101. a seal member; 102. a feed pipe; 103. a sealing cover; 104. an anti-slip groove; 105. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses dust type banbury mixer. Referring to fig. 1 and 2, the device comprises a workbench 1, a pressing component 2 arranged on the workbench 1, and an internal mixing component arranged on the workbench 1, in the embodiment, the working table 1 comprises a base 11 extending along the horizontal direction, and a connecting seat 12 extending along the vertical direction and located at the middle of the upper side of the base 11, the connecting seat 12 is L-shaped, and the connecting base 12 can be connected with the base 11 by welding, the banburying component comprises a hopper 3 and a driving piece 4 driving the hopper 3 to rotate, and a dust cover 5 fixedly connected to the connecting base 12, the dust cover 5 is connected with the connecting base 12 by welding, and the dust cover 5 is positioned above the hopper 3, when the upper end face of the hopper 3 is attached to the lower end face of the dust cover 5, a closed cavity 6 is formed between the hopper 3 and the dust cover 5, so that dust in the closed cavity 6 cannot fly out in the working process of the internal mixer.

In the embodiment, hopper 3 is by the bottom plate, relative preceding baffle 301 and the backplate 302 that sets up, and two curb plate 303 that are located the bottom plate both sides enclose to close and form, the bottom plate, preceding baffle 301, backplate 302, and the equal integrated into one piece of curb plate 303, hopper 3 forms connecting wire 304 with the junction of dust cover 5, connecting wire 304 is circular arc type or linear type, connecting wire 304 is the shortest with 3 axis of rotation of hopper's the extreme point of the one end of backplate 302, make hopper 3 when the pivoted, can not collide with dust cover 5, and make hopper 3 can conflict with dust cover 5, reduce the condition that the dust in the sealed chamber 6 drifted out, improve the dustproof effect of banbury mixer.

In an embodiment, the swaging assembly 2 includes an air cylinder 21 mounted at the upper end of the connecting seat 12, and a top bolt 22 fixedly connected to a free end of a piston rod of the air cylinder 21, the air cylinder 21 is connected to the connecting seat 12 by means of a bolt, the piston rod of the air cylinder 21 is inserted into the connecting seat 12 and the dust cover 5, and the top bolt 22 is located in the dust cover 5 and can slide up and down in the sealed cavity 6 in cooperation with the air cylinder 21 to extrude the material.

Referring to fig. 2 and 3, in the embodiment, the first sealing gasket 7 is disposed between the dust cover 5 and the hopper 3, and when the first sealing gasket 7 is mounted, the first sealing gasket 7 may be bonded to the lower end surface of the dust cover 5 or the upper end surface of the hopper 3, so as to further reduce the gap between the dust cover 5 and the hopper 3, and further improve the dust-proof effect of the internal mixer.

In an embodiment, the hopper 3 is connected with the base 11 through the supporting seat 13, the side plate 303 of the hopper 3 is connected with the supporting seat 13 through the connecting rod 14, the base 11 is provided with a driving member 4 for driving the hopper 3 to rotate, in an embodiment, the driving member 4 includes a driving motor 41 and a transmission member 42 connected with the driving motor 41, the transmission member 42 includes a driving wheel 43 connected with an output shaft of the driving motor 41 in a key manner, a driven wheel 44 fixedly connected with the connecting rod 14, and a belt 45 respectively sleeved on the peripheral side walls of the driving wheel 43 and the driven wheel 44, and when the installation is performed, a speed reducer can be installed between the driving motor 41 and the driving wheel 43 according to actual needs; when the material after the mixed completion of needs takes out, operation driving motor 41 drives belt 45 and rotates, and then makes hopper 3 move towards the direction that connecting seat 12 kept away from for hopper 3 takes place to separate with dust cover 5, makes things convenient for the staff to take out the material from the opening part of hopper 3.

The front baffle plate 301 is provided with a discharge opening 31 along the horizontal direction, the hopper 3 is provided with a discharge door 32 for sealing the discharge opening 31, the discharge door 32 is connected with the hopper 3 through a connecting piece 8, in the embodiment, the connecting piece 8 comprises a lock seat 82 arranged at one end of the discharge door 32 and a handle 81 matched with the lock seat 82 for use, the handle 81 is connected with a side plate 303 through a bolt, the lock seat 82 is connected with the discharge door 32 through a bolt, the opposite end of the discharge door 32 is also provided with the connecting piece 8, the handle 81 is buckled on the lock seat 82 to complete the relative fixation of the discharge door 32 and the hopper 3, at the moment, one side of the discharge door 32 is clung to one side of the hopper 3, so that the sealed cavity 6 is kept in a sealed state; more preferably, be provided with the sealed 71 that fills up of second between discharge door 32 and the hopper 3, when the installation, the sealed 71 that fills up of second can be connected with hopper 3 through the mode that bonds, also can be connected with discharge door 32, further reduces the wafting of dust, has improved the dustproof effect of banbury mixer.

In order to improve the sealing performance of the closed cavity 6 and reduce the number of the connecting pieces 8, so that the discharge door 32 is conveniently separated from the hopper 3 by workers, the front baffle 301 is provided with an abutting plate 9 for abutting against the outer side wall of the lower end of the discharge door 32, the abutting plate 9 comprises a support end 92 arranged on the outer side wall of the front baffle 301, and an abutting end 91 integrally formed at the upper end of the supporting end 92, the supporting end 92 can be connected with the hopper 3 by means of bolts, a gap 93 is formed between the abutting end 91 and the side of the side plate 303 far away from the rear baffle plate 302, so that the lower end of the abutting plate 9 can slide into the gap 93, the support end 92 can then support the abutment plate 9, in which case the connecting element 8 only needs to be mounted at the end of the discharge door 32 remote from the abutment plate 9, by means of the abutment plate 9 cooperating with the connecting element 8, during operation of the mixer, the discharge gate 32 is held in close contact with the hopper 3.

A first guide inclined surface 94 capable of abutting against the discharge door 32 is arranged on one side, close to the hopper 3, of the upper end of the abutting end 91, the first guide inclined surface 94 reduces rigid collision between the discharge door 32 and the upper end of the abutting end 91, and meanwhile, the first guide inclined surface 94 plays a role in guiding the discharge door 32, so that a worker can conveniently embed the discharge door 32 into the gap 93; in order to move the discharge door 32, two handles 105 are symmetrically arranged on one side of the discharge door 32 away from the connecting seat 12, and the handles 105 are connected with the discharge door 32 through welding.

In the process of mixing materials by an internal mixer, in different processes, different materials or some auxiliary agents need to be added into a hopper 3, so in order to add the materials, a feed inlet 10 communicated with a closed cavity 6 is arranged on a discharge door 32, a sealing element 101 for sealing the feed inlet 10 is arranged on the discharge door 32, in the embodiment, the sealing element 101 comprises a feed pipe 102 arranged on the feed inlet 10 and a sealing cover 103 in threaded connection with the free end of the feed inlet 10, the feed pipe 102 is connected with the discharge door 32 in a welding mode, when the feeding is needed, the sealing cover 103 is screwed out, the feeding is carried out from the opening of the free end of the feed pipe 102, after the feeding is finished, the opening of the feed pipe 102 is closed by the sealing cover 103, the tightness of the closed cavity 6 is maintained, and the condition that dust floats out from the feed pipe 102.

In order to reduce the material residue in the feeding pipe 102, the feeding pipe 102 is arranged obliquely downwards towards the direction close to the hopper 3, so that the material can slide into the closed cavity 6 along the oblique direction of the hopper 3 and enter the mixing process; in an embodiment, a plurality of anti-slip grooves 104 are formed on the circumferential sidewall of the sealing cover 103 to increase the friction force of the sealing cover 103, so that the sealing cover 103 can be rotated by a worker conveniently.

The implementation principle of a dustproof internal mixer in the embodiment of the application is as follows: in adding hopper 3 with the material from hopper 3 opening part, rotatory hopper 3 through driving motor 41 for hopper 3 and dust cover 5 direct laminating form inclosed airtight chamber 6, in mixing process, reduce the dispersion of dust class material, improved the dustproof effect of banbury mixer.

After the mixing is finished, the hopper 3 is directly rotated by the driving motor 41 without moving the dust cover 5, so that the phenomenon that dust attached to the inner wall of the dust cover 5 is scattered due to shaking is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dust type banbury mixer, includes workstation (1), installs pressure material subassembly (2) on workstation (1), is used for carrying out the banburying subassembly of mixing to the material, banburying subassembly is including being located hopper (3) of pressing material subassembly (2) below to and order about hopper (3) pivoted driving piece (4), hopper (3) are by bottom plate, relative preceding baffle (301) and backplate (302) that set up, and are located two curb plate (303) of bottom plate both sides enclose to close and form its characterized in that: the internal mixing assembly further comprises a dust cover (5) arranged on the workbench (1), a connecting line (304) is formed at the joint of the hopper (3) and the dust cover (5), the connecting line (304) is in an arc shape or a linear shape, and the distance between the end point of one end of the rear baffle plate (302) and the rotation axis of the hopper (3) is shortest.

2. A dustproof internal mixer according to claim 1, which is characterized in that: a first sealing gasket (7) is arranged between the hopper (3) and the dust cover (5).

3. A dustproof internal mixer according to claim 2, which is characterized in that: preceding baffle (301) are equipped with discharge opening (31), it is right to be equipped with on hopper (3) discharge door (32) that discharge opening (31) carry out sealedly, discharge door (32) pass through connecting piece (8) with hopper (3) are connected.

4. A dustproof internal mixer according to claim 3, which is characterized in that: the connecting piece (8) is in all be equipped with on the relative both ends of discharge door (32), connecting piece (8) including fixed connection in discharge door (32) one end lock seat (82), and with lock seat (82) cooperation use and fixed connection in attacker (81) on curb plate (303).

5. A dustproof internal mixer according to claim 4, which is characterized in that: connecting piece (8) are located discharge door (32) are close to the one end of dust cover (5), preceding baffle (301) outside is equipped with contradict in butt plate (9) of discharge door (32) lower extreme lateral wall, butt plate (9) with have between hopper (3) and supply clearance (93) of butt plate (9) embedding.

6. A dustproof internal mixer according to claim 5, which is characterized in that: the upper end face of the abutting plate (9) is provided with a first guide inclined plane (94) capable of abutting against one end of the discharging door (32).

7. A dustproof internal mixer according to claim 3, which is characterized in that: the material discharging door is characterized in that a material inlet (10) is formed in the material discharging door (32), and a sealing element (101) for sealing the material inlet (10) is arranged on the material discharging door (32).

8. The dustproof internal mixer according to claim 7, wherein: the sealing member (101) comprises a feeding pipe (102) arranged on the feeding hole (10) and a sealing cover (103) which is connected to the free end of the feeding hole (10) in a threaded manner.

9. A dustproof internal mixer according to claim 8, which is characterized in that: the feeding pipe (102) is arranged obliquely downwards towards the direction close to the hopper (3).