CN215242106U

CN215242106U - High-efficient grain blade disc of cutting of double screw extruder

Info

Publication number: CN215242106U
Application number: CN202120362111.2U
Authority: CN
Inventors: 陈芝芳
Original assignee: Zhejiang Richly New Material Co ltd
Current assignee: Zhejiang Richly New Material Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-12-21
Anticipated expiration: 2031-02-09

Abstract

The utility model provides a high-efficiency grain cutting cutter head of a double-screw extruder, which comprises a protective shell; a rotating shaft is rotatably connected inside the protective shell; a cutter head is movably arranged outside the rotating shaft; the right side of the rotating shaft is rotatably connected with a fixing mechanism; the fixing mechanism comprises a fixed rotating shaft, a connecting rod, a driving rod, a movable frame, a color rendering plate and a limiting shell, wherein the connecting rod is embedded in the left end of the fixed rotating shaft. The setting of adjustable shelf and color development board, be favorable to improving the work efficiency who cuts grain blade disc, the connecting rod drives the adjustable shelf and moves left, the adjustable shelf drives the color development board and slides in inside, the arc through observing the restriction shell runs through the colour that the groove shows and judges, be fixed state because of fixed rotating shaft, the blade is carrying out high-speed rotation and also can observe the degree of wear, compare in the rotatory mode of needs stop blade disc, can prepare work in advance, reduce the time of changing the blade, and then improve the work efficiency of blade disc, realize the high-efficient cutting of cutting grain blade disc.

Description

High-efficient grain blade disc of cutting of double screw extruder

Technical Field

The utility model belongs to the technical field of screw extruder, more specifically say, in particular to high-efficient eager grain blade disc of twin-screw extruder.

Background

The extrusion equipment comprises two types, namely a screw extruder and a plunger extruder, wherein the screw extruder is used for continuous extrusion, the plunger extruder is used for intermittent extrusion and is mainly used for molding high-viscosity materials, meanwhile, the screw extruder can be divided into a single screw extruder and a multi-screw extruder, the single screw extruder is the most basic extruder in production, the double screw extruder in the multi-screw extruder is the fastest in development in recent years and is widely applied, and the double screw extruder can cut the materials into finished products with uniform sizes through a blade when pushing the materials out of a discharge port.

Based on the above, the present inventors found that the following problems exist in use: present grain cutting blade disc when using, because blade on the blade disc need with ejection of compact position contact friction, and then need change the blade, the blade is not convenient for observe the degree of wear when carrying out high-speed rotation, needs to stop the blade disc rotation, and then influences the work efficiency of blade disc, can not realize the high-efficient cutting of grain cutting blade disc.

Therefore, in view of the above, research and improvement are made in view of the existing structure and defects, and a high-efficiency grain cutting cutter disc of a twin-screw extruder is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a grain blade disc is cut to double screw extruder high efficiency to solve current grain blade disc of cutting when using, because blade on the blade disc need with ejection of compact position contact friction, and then need change the blade, the blade is not convenient for observe the degree of wear when carrying out high-speed rotation, needs to stop the blade disc rotatory, and then influences the work efficiency of blade disc, can not realize the problem of the high-efficient cutting of grain blade disc.

The utility model relates to a purpose and efficiency of double screw extruder high efficiency grain cutting blade disc are reached by following specific technological means:

a high-efficiency grain cutting cutter head of a double-screw extruder comprises a protective shell; a rotating shaft is rotatably connected inside the protective shell; a cutter head is movably arranged outside the rotating shaft; the right side of the rotating shaft is rotatably connected with a fixing mechanism; the fixing mechanism comprises a fixing rotating shaft, a connecting rod, a driving rod, a movable frame, a color development plate and a limiting shell, wherein the connecting rod is embedded into the left end of the fixing rotating shaft, the driving rod is movably sleeved at the outer end of the right side of the connecting rod, the movable frame is arranged on the outer side of the middle position of the connecting rod and inside the fixing rotating shaft in a sliding mode, the two limiting shells are symmetrically arranged on the upper portion and the lower portion of the fixing rotating shaft in an up-and-down mode, the color development plate is fixedly arranged inside the limiting shell, and the upper end and the lower end of the movable frame penetrate through and extend into the limiting shell and are fixedly connected with the left end of the color development plate.

Further, the protective housing is including installation shell, fixed shell, linkage bearing, arc-shaped protruding board and stopper, and the fixed shell that is provided with in installation shell front end, the fixed arc-shaped protruding board that is provided with in front end of fixed shell, the fixed stopper that is provided with in this arc-shaped protruding board front end intermediate position, the discharge opening has been seted up to installation shell front end intermediate position, and the fixed linkage bearing that is provided with in installation shell intermediate position, the discharge gate has been seted up to fixed shell bottom, and the discharge gate has been seted up to fixed shell bottom.

Further, the axis of rotation is including rotating main part, transmission bearing and connection cavity, rotates the inside connection cavity that is provided with of main part, and this connection cavity divide into three cylinder cavity, and the diameter of three this cylinder cavity is from a left side to the right side with this degressive, and the cylinder cavity on the rightmost side is linked together with the rotation main part right side outside, and the cylinder cavity on the leftmost side has been seted up from top to bottom and has been run through the groove, and the fixed transmission bearing that is provided with in axis of rotation right side, under the installation status, rotates main part left end movable mounting in linkage bearing's inboard.

Further, the cutter head comprises a cutter body, blades and a connecting column, six blades are fixedly arranged on the inner side of the cutter body in an annular arrangement mode, the connecting column is fixedly arranged at the front end of the middle position of the cutter body, two arc-shaped through grooves are symmetrically arranged on the left side and the right side of the middle position of the cutter body, the middle position of the cutter body and the connecting column are movably arranged on the inner side of the connecting cavity in an installation state, and a pressure spring is arranged between the connecting column and the connecting cavity.

Further, both ends pass and stretch into inside and the color development board left end fixed connection of restriction shell about the adjustable shelf, fixed recess has been seted up to fixed rotating shaft right side bottom, connecting rod right-hand member longitudinal symmetry is provided with the bar recess, the inside bar arch that is provided with of driving lever left end, reciprocating motion about the inboard that this bar arch can follow the bar recess, the color development board outside is from the gradual colour change of turning right colour deepening gradually, be provided with the arc on the restriction shell and run through the groove, under the installation, fixed rotating shaft right side fixed mounting is at the top of arc bellying, the stopper is embedded into inside the fixed recess of fixed rotating shaft right side bottom, the shell restriction shell left end passes through transmission bearing and rotates the main part right-hand member and is connected, connecting rod left end and spliced pole right side fixed connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of adjustable shelf and color development board, be favorable to improving the work efficiency of cutting grain blade disc, the blade consumes wearing and tearing, the cutter body receives spring force to move left, the spliced pole drives the connecting rod right-hand member and moves left at the left end inboard of driving lever simultaneously, the connecting rod drives the adjustable shelf and moves left, the adjustable shelf drives the color development board and slides in inside, the arc through observing the restriction shell runs through the colour that the groove shows and judges, because fixed rotating shaft is fixed state, also can carry out the colour when the blade disc rotates and observe, the blade also can observe the degree of wear at high-speed rotation, compare in the rotatory mode of needs stop blade disc, can prepare work in advance, reduce the time of changing the blade, and then improve the work efficiency of blade disc, realize the high-efficient cutting of cutting grain blade disc.

Drawings

Fig. 1 is a schematic side-sectional structure of the present invention.

Fig. 2 is a schematic diagram of the structure of the protective shell on the shaft side.

Fig. 3 is a schematic side-sectional structure view of the rotating shaft of the present invention.

Fig. 4 is a schematic side sectional structure view of the cutter head of the present invention.

Fig. 5 is a schematic side sectional structure view of the fixing mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a protective shell; 101. installing a shell; 102. fixing the housing; 103. a linkage bearing; 104. an arc-shaped convex plate; 105. a limiting block; 303. connecting columns; 2. a rotating shaft; 201. rotating the main body; 202. a drive bearing; 203. a connecting cavity; 3. a cutter head; 301. a cutter body; 302. a blade; 303. connecting columns; 4. a fixing mechanism; 401. fixing the rotating shaft; 402. a connecting rod; 403. a driving lever; 404. a movable frame; 405. a color development plate; 406. the housing is constrained.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a high-efficiency grain cutting cutter head of a double-screw extruder, which comprises a protective shell 1; a rotating shaft 2 is rotatably connected inside the protective shell 1; a cutter head 3 is movably arranged outside the rotating shaft 2; the right side of the rotating shaft 2 is rotatably connected with a fixing mechanism 4; the fixing mechanism 4 comprises a fixing rotating shaft 401, a connecting rod 402, an active rod 403, a movable frame 404, a color development plate 405 and a limiting shell 406, the left end of the fixing rotating shaft 401 is embedded with the connecting rod 402, the outer end of the right side of the connecting rod 402 is movably sleeved with the active rod 403, the movable frame 404 is arranged on the outer side of the middle position of the connecting rod 402 and inside the fixing rotating shaft 401 in a sliding mode, the fixing rotating shaft 401 is provided with the two limiting shells 406 in an up-and-down symmetrical mode, the color development plate 405 is fixedly arranged inside the limiting shells 406, and the upper end and the lower end of the movable frame 404 penetrate through and extend into the limiting shells 406 and are fixedly connected with the left end of the color development plate 405.

Wherein, the protective housing 1 is including installing shell 101, fixed shell 102, coordinated bearing 103, arc-shaped protruding board 104 and stopper 105, the fixed shell 102 that is provided with in installation shell 101 front end, the fixed arc-shaped protruding board 104 that is provided with in front end of fixed shell 102, the fixed stopper 105 that is provided with in this arc-shaped protruding board 104 front end intermediate position, the discharge opening has been seted up to installation shell 101 front end intermediate position, the fixed linkage bearing 103 that is provided with in installation shell 101 intermediate position, the discharge gate has been seted up to fixed shell 102 bottom.

Wherein, axis of rotation 2 is including rotating main part 201, transmission bearing 202 and connection cavity 203, rotate the inside connection cavity 203 that is provided with of main part 201, this connection cavity 203 divide into three cylinder cavity, the diameter of three this cylinder cavity is decremented with this from a left side to a right side, the cylinder cavity on the rightmost side is linked together with the outside of main part 201 right side of rotating, the cylinder cavity on the leftmost side has been seted up from top to bottom and has been run through the groove, 2 fixed transmission bearings 202 that are provided with in axis of rotation right side, under the installation state, rotate main part 201 left end movable mounting in linkage bearing 103's inboard.

The cutter head 3 comprises a cutter body 301, blades 302 and a connecting column 303, six blades 302 are fixedly arranged on the inner side of the cutter body 301 in an annular arrangement mode, the connecting column 303 is fixedly arranged at the front end of the middle position of the cutter body 301, two arc-shaped through grooves are symmetrically formed in the left and right of the middle position of the cutter body 301, the middle position of the cutter body 301 and the connecting column 303 are movably arranged on the inner side of the connecting cavity 203 in an installation state, and a pressure spring is arranged between the connecting column 303 and the connecting cavity 203.

Wherein, both ends pass and stretch into inside and the chromogenic plate 405 left end fixed connection of restriction shell 406 about the adjustable shelf 404, fixed recess has been seted up to fixed rotating shaft 401 right side bottom, connecting rod 402 right-hand member longitudinal symmetry is provided with the bar recess, the inside bar arch that is provided with of active rod 403 left end, this bar arch can be along reciprocating motion about the inboard of bar recess, the chromogenic plate 405 outside is the gradual colour change of turning right colour from a left side to the gradual darkening, be provided with the arc through groove on the restriction shell 406, under the installation, fixed rotating shaft 401 right side fixed mounting is at the top of arc protruding board 104, stopper 105 is embedded into inside the fixed recess of fixed rotating shaft 401 right side bottom, the shell restriction shell 406 left end passes through drive bearing 202 and rotates the main part 201 right-hand member and rotates to be connected, connecting rod 402 left end and spliced pole 303 right side fixed connection.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the grain cutting device is arranged at the front end of the double-screw extruder through the mounting shell 101, then the driving rod 403 is connected with the external driving motor, the external driving motor is started to rotate by driving the driving rod 403, the driving rod 403 drives the connecting rod 402 to rotate, the connecting rod 402 drives the rotating main body 201 to rotate through the connecting column 303, the rotating main body 201 drives the rotating shaft 2 to rotate at the middle position of the front end of the mounting shell 101, at the moment, the cutter body 301 enables the cutter blade 302 to be in contact with the discharge hole position to be cut by the leftward elasticity of the pressure spring between the connecting column 303 and the connecting cavity 203, along with continuous cutting, the cutter blade 302 is worn and worn, the cutter body 301 moves leftward by the spring elasticity, the connecting column 303 drives the right end of the connecting rod 402 to move leftward at the inner side of the left end of the driving rod, the connecting rod 402 drives the movable frame 404 to move leftward, the movable frame 404 drives the color development plate 403 to slide inside, the color displayed by the arc-shaped through groove of the limiting shell 406 is observed, the color can be observed when the cutter head 3 rotates due to the fact that the fixed rotating shaft 401 is in a fixed state, when the cutter head is replaced, the external driving motor stops rotating and is detached, the fixed rotating shaft 401 is held to push and lift the cutter head leftwards, the fixed groove on the right side of the fixed rotating shaft 401 is separated from the limiting block 105, and then the rotating shaft 2, the cutter head 3 and the fixing mechanism 4 are pulled out to replace the blade 302.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a high-efficient eager grain blade disc of twin-screw extruder which characterized in that: comprises a protective shell (1); a rotating shaft (2) is rotatably connected inside the protective shell (1); a cutter head (3) is movably arranged on the outer side of the rotating shaft (2); the right side of the rotating shaft (2) is rotatably connected with a fixing mechanism (4); the fixing mechanism (4) comprises a fixing rotating shaft (401), a connecting rod (402), an active rod (403), a movable frame (404), a color development plate (405) and a limiting shell (406), wherein the connecting rod (402) is embedded into the left end of the fixing rotating shaft (401), the active rod (403) is movably sleeved at the outer end of the right side of the connecting rod (402), the movable frame (404) is arranged outside the middle position of the connecting rod (402) and inside the fixing rotating shaft (401) in a sliding mode, the two limiting shells (406) are symmetrically arranged on the upper side and the lower side of the fixing rotating shaft (401), the color development plate (405) is fixedly arranged inside the limiting shell (406), and the upper end and the lower end of the movable frame (404) penetrate through and extend into the inside of the limiting shell (406) and are fixedly connected with the left end of the color development plate (405).

2. The efficient pelletizing cutter head of the double-screw extruder according to claim 1, characterized in that: the protective shell (1) comprises an installation shell (101), a fixed shell (102), a linkage bearing (103), an arc-shaped protruding plate (104) and a limiting block (105), the fixed shell (102) is arranged at the front end of the installation shell (101), the arc-shaped protruding plate (104) is fixedly arranged at the front end of the fixed shell (102), the limiting block (105) is fixedly arranged at the middle position of the front end of the arc-shaped protruding plate (104), a discharge hole is formed in the middle position of the front end of the installation shell (101), the linkage bearing (103) is fixedly arranged at the middle position of the installation shell (101), and a discharge hole is formed in the bottom of the fixed shell (102).

3. The efficient pelletizing cutter head of the double-screw extruder according to claim 1, characterized in that: the rotating shaft (2) comprises a rotating body (201), a transmission bearing (202) and a connecting cavity (203), the connecting cavity (203) is arranged inside the rotating body (201), the connecting cavity (203) is divided into three cylindrical cavities, the diameters of the three cylindrical cavities decrease progressively from left to right, the cylindrical cavity on the rightmost side is communicated with the outside of the right side of the rotating body (201), the cylindrical cavity on the leftmost side is communicated with an upper part and a lower part of a through groove, the transmission bearing (202) is fixedly arranged on the right side of the rotating shaft (2), and the left end of the rotating body (201) is movably arranged on the inner side of a linkage bearing (103) in the installation state.

4. The efficient pelletizing cutter head of the double-screw extruder according to claim 1, characterized in that: cutter head (3) are including cutter body (301), blade (302) and spliced pole (303), and cutter body (301) inboard is that the annular is arranged fixedly and is provided with six blade (302), and cutter body (301) intermediate position front end is fixed and is provided with spliced pole (303), and cutter body (301) intermediate position left and right sides symmetry is provided with two arcs and runs through the groove, and under the installation status, cutter body (301) intermediate position and spliced pole (303) movable mounting are inboard in connecting cavity (203), are provided with pressure spring between spliced pole (303) and connecting cavity (203).

5. The efficient pelletizing cutter head of the double-screw extruder according to claim 1, characterized in that: the upper end and the lower end of the movable frame (404) penetrate through and extend into the limiting shell (406) to be fixedly connected with the left end of the color rendering plate (405), the bottom of the right side of the fixed rotating shaft (401) is provided with a fixed groove, the right end of the connecting rod (402) is provided with strip-shaped grooves in an up-and-down symmetrical manner, the inside of the left end of the active rod (403) is provided with strip-shaped bulges, the strip-shaped bulge can reciprocate left and right along the inner side of the strip-shaped groove, the outer side of the color development plate (405) is gradually changed in color from left to right, an arc-shaped through groove is arranged on the limiting shell (406), and in the installation state, fixed rotating shaft (401) right side fixed mounting is at the top of arc-shaped raised plate (104), stopper (105) are embedded into the fixed recess of fixed rotating shaft (401) right side bottom inside, and shell restriction shell (406) left end is passed through drive bearing (202) and is rotated main part (201) right-hand member and is connected, connecting rod (402) left end and spliced pole (303) right side fixed connection.