CN212732068U

CN212732068U - Rotating arm mechanism

Info

Publication number: CN212732068U
Application number: CN202021472841.XU
Authority: CN
Inventors: 许辉
Original assignee: Chongqing Jiedu Technology Co ltd
Current assignee: Chongqing Jiedu Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-19
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a swinging boom mechanism, including pivot, commentaries on classics cover, support piece and fixing base, the pivot is connected with the fixing base, and the pivot overcoat is equipped with changes the cover, still is equipped with one or more than one copper sheathing between pivot and the commentaries on classics cover, still is equipped with the support piece that supports the copper sheathing outside the pivot. Can be used for the nimble screen cloth of changing to can also avoid the inertia that the rotation produced to the harm that causes the machine.

Description

Rotating arm mechanism

Technical Field

The utility model relates to a wet granulator field especially relates to a swinging boom mechanism.

Background

The wet granulator is used for grinding wet powder into required granules, mainly comprises a feeding system, a stirring system, a granulating system, a transmission system, a lubricating system and the like, and has the working principle that: the material after having been by the even stirring gets into toper working chamber through the feeder hopper, plays the whirl effect to the material by rotatory revolving knife to throw the granule to the toper screen cloth, produce shearing action by revolving knife and screen cloth, smash the material, and discharge by the mesh hole. The screen cloth of discharge gate department needs often to be changed, and system such as the stirring of granulator, pelletization are connected into an organic whole, when changing the screen cloth, need wholly hang down, unpack apart the back totally, just can change the screen cloth, consequently need provide a mechanism of being convenient for change the screen cloth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a swinging boom mechanism has simple structure, convenient operation's characteristics.

The utility model provides a swinging boom mechanism, includes the pivot, changes cover, support piece and fixing base, and the pivot is connected with the fixing base, and the pivot overcoat is equipped with changes the cover, still is equipped with one or more copper sheathing between pivot and the commentaries on classics cover, still is equipped with the support piece that supports the copper sheathing outside the pivot.

The pivot can be fixed in the fixing base through modes such as bonding, welding, riveting or threaded connection, changes the cover and locates outside the pivot, changes the minimum department of cover internal diameter and is greater than or equal to the pivot diameter, when changeing the minimum department of cover internal diameter and being greater than the pivot diameter, changes the clearance that exists between cover and the pivot, can reduce the wearing and tearing between cover and the pivot. When the number of the copper sleeves is more than 2, the copper sleeves are uniformly distributed outside the rotating shaft and inside the rotating sleeve; the copper sheathing is preferred to be adopted the brass copper sheathing, and because of the brass copper sheathing resistance is great, can utilize the frictional force of brass to stop at the optional position of rotation within range, prevent because of too nimble inertia that produces, cause the harm to the machine, after wearing and tearing appear in the copper sheathing when using a period, only need to change the copper sheathing can, practiced thrift the cost of changing pivot or commentaries on classics cover. Support piece is located the below of copper sheathing, preferably the handle cap, and the pivot lower extreme is seted up with handle cap internal thread assorted external screw thread, is fixed in the pivot lower extreme with the handle cap rotation for support copper sheathing prevents the gliding of copper sheathing.

The utility model discloses when using, the pivot keeps quiescent condition, changes cover and copper sheathing for the pivot is rotatory, and then drives and changes the granulator part of cover rigid coupling around the rotation of pivot. In the embodiment, the rotating shaft is fixedly connected with the fixed seat through the bolt, so that the stable connection between the rotating shaft and the fixed seat is ensured; the rotating sleeve is of a hollow cylindrical structure, the middle part of the rotating sleeve protrudes inwards, the number of the copper sleeves is two, one copper sleeve is positioned above the inward protrusion of the rotating sleeve, and the inward protrusion of the rotating sleeve provides support; the other copper sleeve is positioned below the bulge in the rotary sleeve and is supported by a supporting piece arranged below the copper sleeve. In addition, in this embodiment, on the mode such as the commentaries on classics cover is fixed in the motor housing of granulator through integrated into one piece, bonding, welding, riveting or threaded connection, rotate the opening of granulator discharge gate through rotatory commentaries on classics cover, be convenient for change the screen cloth of granulator discharge gate department.

Since the technical scheme is used, the utility model discloses can be used for nimble change screen cloth to can also avoid rotating the harm that the inertia that produces caused the machine.

Drawings

Fig. 1 is a schematic view of an overall connection of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic view of a connection according to the present invention;

fig. 4 is a schematic structural view of an entirety of the present invention;

fig. 5 is a schematic structural view of a rotating shaft of the present invention;

fig. 6 is a partial enlarged view of a bearing according to the present invention;

fig. 7 is a schematic structural view of a swivel sleeve of the present invention;

fig. 8 is a schematic structural view of a copper sleeve according to the present invention;

fig. 9 is a schematic structural view and a top view of a mounting base of the present invention;

wherein, 1 fixing base, 101 strengthening rib, 2 pivot, 3 commentaries on classics cover, 4 copper sheathing, 5 support piece, 601 first locating pin, 602 second locating pin, 7 bearings, 8 connecting pieces, 9 handles.

Detailed Description

The exemplary embodiments which embody the features and advantages of the present invention will be described in detail in the following description, it being understood that the invention is capable of numerous variations in various embodiments without departing from the scope of the invention, and that the description and drawings herein are intended to be illustrative in nature and not to be construed as limiting the invention.

As shown in fig. 1 to 9, a rotating arm mechanism includes a rotating shaft 2, a rotating sleeve 3, a supporting member 5 and a fixing seat 1, the rotating shaft 2 is fixedly connected to the fixing seat 1, the rotating sleeve 3 is sleeved outside the rotating shaft 2, one or more copper sleeves 4 are further disposed between the rotating shaft 2 and the rotating sleeve 3, and the supporting member 5 for supporting the copper sleeves 4 is further disposed outside the rotating shaft 2.

The pivot 2 can be fixed in on the fixing base 1 through modes such as bonding, welding, riveting or threaded connection, changes 3 covers of cover and locates outside the pivot 2, changes 3 internal diameter minimum departments of cover and be greater than or equal to 2 diameters of pivot, when changeing 3 internal diameter minimum departments of cover and be greater than 2 diameters of pivot, changes the clearance that exists between cover 3 and the pivot 2, can reduce the wearing and tearing between cover 3 and the pivot 2. When the number of the copper sleeves 4 is 1, the copper sleeves are preferably sleeved at the middle positions outside the rotating shaft 2 and inside the rotating sleeve 3, and when the number of the copper sleeves 4 is more than 2, the copper sleeves 4 are uniformly distributed outside the rotating shaft 2 and inside the rotating sleeve 3; copper sheathing 4 is preferred to adopt brass copper sheathing 4, because of 4 resistances of brass copper sheathing are great, can utilize the frictional force of brass to stop in the optional position of rotation range, prevent to cause the harm to the machine because of too nimble inertia that produces, after wearing and tearing appear in use copper sheathing 4 for a period of time, only need change copper sheathing 4 can, practiced thrift the cost of changing pivot 2 or commentaries on classics cover 3. Support piece 5 is located the below of copper sheathing 4, preferably the handle cap, and the external screw thread with handle cap internal thread assorted is seted up to 2 lower extremes of pivot, is fixed in the rotation of handle cap 2 lower extremes for support copper sheathing 4 prevents the gliding of copper sheathing 4.

The utility model discloses when using, pivot 2 keeps quiescent condition, changes cover 3 and copper sheathing 4 rotatory for pivot 2, and then drives and changes the granulator part of 3 rigid couplings of cover around the rotation of pivot 2. In the embodiment, the rotating shaft 2 is fixedly connected with the fixed seat 1 through a bolt, so that the stable connection between the rotating shaft 2 and the fixed seat 1 is ensured; the rotary sleeve 3 is of a hollow cylindrical structure, the middle part of the rotary sleeve protrudes inwards, the number of the copper sleeves 4 is 2, one copper sleeve 4 is positioned above the inward protrusion of the rotary sleeve 3, and the inward protrusion of the rotary sleeve 3 provides support; another copper sleeve 4 is located below the protrusion in the swivel sleeve 3 and is supported by a support 5 located below it. In addition, in this embodiment, on rotating sleeve 3 is fixed in the motor housing of granulator through modes such as integrated into one piece, bonding, welding, riveting or threaded connection, rotate the opening of granulator discharge gate through rotatory rotating sleeve 3, be convenient for change the screen cloth of granulator discharge gate department.

Furthermore, the top surface and/or the bottom surface of the fixed seat 1 are/is also provided with a reinforcing rib 101. The reinforcing ribs 101 are fixed on the top surface and/or the bottom surface of the fixing base 1 through integrated forming, bonding, welding or riveting and the like, so that the strength of the fixing base 1 is increased, the problem that the fixing base 1 is distorted and deformed due to uneven stress in the using process is solved, and the service life of the fixing base 1 is prolonged. The number of the reinforcing ribs 101 is more than 1, and when the number of the reinforcing ribs 101 is 1, the reinforcing ribs 101 penetrate through the top surface or the bottom surface of the fixed seat 1 and are positioned at the central position of the fixed seat 1; when the number of the reinforcing ribs 101 is more than 2, the reinforcing ribs 101 are staggered or uniformly distributed on the top surface and/or the bottom surface of the fixing seat 1.

Furthermore, a first positioning pin 601 is further disposed on the rotating shaft 2, and a second positioning pin 602 is further disposed on the rotating sleeve 3. The first positioning pin 601 is embedded in the side wall of the rotating shaft 2, and the second positioning pin 602 is embedded above the rotating sleeve 3; the horizontal position of the first positioning pin 601 is lower than the top end of the second positioning pin 602 for limiting the rotation angle of the rotary sleeve 3.

Further, a bearing 7 is arranged between the copper sleeve 4 and the support piece 5. The bearing 7 is sleeved outside the rotating shaft 2 and inside the rotating sleeve 3, preferably a thrust ball bearing 7, and is composed of a washer-shaped ferrule with a raceway groove on which a ball rolls, and the steel ball rolls on the raceway grooves of the 2 ferrules and is used for supporting the rotating sleeve 3 and/or the copper sleeve 4, so that the friction coefficient in the rotating process is reduced, and the rotating precision of the rotating sleeve is ensured.

Further, the lower end of the rotating sleeve 3 is also provided with a connecting piece 8. In this embodiment, the connecting member 8 is fixed to the side wall of the rotary sleeve 3 and/or the protrusion of the side wall of the rotary sleeve 3 by means of integral molding, bonding, welding, riveting or screwing, and then fixed to the motor housing of the granulator by more than 2 bolts uniformly distributed around the rotary sleeve 3.

Further, a handle 9 is included on the housing of the pelletizer. The handle 9 is fixed on the shell of the granulator through modes of integral forming, bonding, welding, riveting or threaded connection and the like, so that the operation is more convenient and faster, and the strength is saved.

Claims

1. The utility model provides a swinging boom mechanism, its characterized in that, includes pivot (2), changes cover (3), support piece (5) and fixing base (1), and pivot (2) are connected with fixing base (1), and pivot (2) overcoat is equipped with and changes cover (3), still is equipped with one or more copper sheathing (4) between pivot (2) and the commentaries on classics cover (3), and pivot (2) still are equipped with support piece (5) that support copper sheathing (4) outward.

2. A swivel arm mechanism according to claim 1, characterized in that the shaft (2) further comprises a first positioning pin (601), and the sleeve (3) further comprises a second positioning pin (602).

3. Swivel arm mechanism according to claim 1 or 2, characterized in that a bearing (7) is further provided between the copper sleeve (4) and the support (5).

4. Swivel arm mechanism according to claim 1 or 2, characterized in that the swivel sleeve (3) is further provided with a connection (8) at its lower end.

5. A swivel arm mechanism according to claim 3, characterized in that the swivel sleeve (3) is further provided with a connector (8) at its lower end.

6. A swivel arm mechanism according to claim 1, 2 or 5, further comprising a handle (9) on the granulator housing.

7. A swivel arm mechanism according to claim 3, further comprising a handle (9) on the granulator housing.

8. Rotating arm mechanism according to claim 4, further comprising a handle (9) on the outer housing of the granulator.