CN213593359U

CN213593359U - Grain cutting cutter disc assembling device of double-screw extruder

Info

Publication number: CN213593359U
Application number: CN202021942977.2U
Authority: CN
Inventors: 史永飞
Original assignee: Nanjing Haoxiang Machine Manufacturing Co ltd
Current assignee: Nanjing Haoxiang Machine Manufacturing Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-07-02
Anticipated expiration: 2030-09-08

Abstract

The utility model belongs to the technical field of double screw extruder, especially, double screw extruder's eager grain blade disc assembly device to the insecure problem of current blade disc equipment, the following scheme of present proposition, it includes the organism, two spread grooves have been seted up to one side of organism, and equal movable mounting has the connecting rod in two spread grooves, and the one end of two connecting rods all extends to outside the organism, and fixed mounting has same blade disc, and the fixed slot has all been seted up to one side that two connecting rods are close to each other, and two fixed slots are located two spread grooves respectively, have seted up two fixed chambeies on the organism, and two spread grooves are located between two fixed chambeies. The utility model discloses simple structure, reasonable in design, not only can be quick install the blade disc on the organism, can effectual assurance fastness moreover, the problem that probably drops when having solved the blade disc operation is fit for using widely.

Description

Grain cutting cutter disc assembling device of double-screw extruder

Technical Field

The utility model relates to a double screw extruder technical field especially relates to a double screw extruder's eager grain blade disc assembly device.

Background

The extrusion molding is to make the melt (or viscous fluid) of the high polymer pass through a shaped die under the extrusion action of an extruder screw, and the product is a continuous profile with a constant section shape. 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 is used for cutting materials into uniform and equal-diameter finished products when pushing the materials out of a discharge port by using a cutter device.

The patent that publication number is CN210910725U discloses a grain cutting disc group device of twin screw extruder, this twin screw extruder's grain cutting disc group device, including organism and blade disc, the discharge end of organism is connected with the discharging pipe, and the one end of organism has the blade disc through the joint mechanism joint, the blade disc is adjacent to the one end of organism and is fixed with the adapter sleeve, and the adapter sleeve cup joints in the discharging pipe keep away from the one end of organism outside, simultaneously the blade disc leaves the through-hole that is linked together with the discharging pipe for the middle of the one end of organism. However, the cutter head in the device is not firmly assembled, and can fall off due to the action of centrifugal force during operation, so that the improvement space exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a grain cutting cutter disc assembling device of a double-screw extruder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a grain cutting cutter disc assembling device of a double-screw extruder comprises a machine body, wherein one side of the machine body is provided with two connecting grooves, connecting rods are movably arranged in the two connecting grooves, one ends of the two connecting rods extend out of the machine body and are fixedly provided with a same cutter disc, one sides, far away from each other, of the two connecting rods are provided with fixed grooves which are respectively positioned in the two connecting grooves, the machine body is provided with two fixed cavities, the two connecting grooves are positioned between the two fixed cavities, a guide rod is fixedly arranged between the inner wall of the top part and the inner wall of the bottom part of each fixed cavity, a guide block is sleeved on each guide rod in a sliding manner, a fixed rod is fixedly arranged on one side of each guide block, a hinged support is fixedly arranged on the inner wall of one side, far away from the fixed rod, of each fixed cavity, a movable rod, the inner wall of one side of the fixed cavity is rotatably provided with a first rotating shaft, one end of the first rotating shaft is fixedly sleeved with a transmission disc, one side of the transmission disc is fixedly provided with a transmission block, and the pin shaft and the transmission block are slidably arranged in the waist-shaped hole.

Preferably, one end of each fixed rod, which is close to each other, extends into each of the two connecting grooves and is matched with the two fixed grooves.

Preferably, the guide rod is movably sleeved with a spring, and two ends of the spring are respectively and fixedly installed on the inner wall of one side of the guide block, which is far away from the connecting groove, and one side of the fixed cavity.

Preferably, the top and the bottom of the machine body are both provided with through grooves, and the two through grooves are respectively communicated with the two fixed cavities.

Preferably, a second rotating shaft is installed in the through groove in a rotating mode, one end of the second rotating shaft extends out of the machine body, a handle is fixedly installed on the second rotating shaft, the other end of the second rotating shaft extends into the fixing cavity, and the fixing sleeve is fixedly connected with a first bevel gear.

Preferably, the first rotating shaft is fixedly sleeved with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

In the utility model, when in use, the handle is rotated to drive the second rotating shaft fixedly connected with the handle to rotate, so that the first bevel gear fixedly sleeved on the second rotating shaft rotates, the first bevel gear is meshed with the second bevel gear, the second bevel gear can be driven to rotate, the driving disc can be driven to rotate through the first rotating shaft due to the connection relation among the second bevel gear, the first rotating shaft and the driving disc, and then the driving block fixedly arranged on the driving disc is driven to rotate, the driving block is slidably arranged in the waist-shaped hole, so that the movable rod can be driven to rotate by taking the hinged support as the center, the guide block is slidably sleeved on the guide rod, so that the guide block can only vertically move along the guide rod, and the pin shaft fixedly arranged on the guide block can only vertically move, and due to the connection relation among the pin shaft, the waist-shaped hole and the movable rod, the movable rod rotates, can drive the round pin axle and remove towards the direction of handle, then, drive the guide block and remove, and compression spring, thereby it removes to drive the dead lever of fixed mounting on the guide block, when the dead lever shifts out the spread groove, insert two spread grooves respectively with two connecting rods of blade disc one side fixed mounting, then loosen the handle, because of the elastic action of spring, the extrusion guide block, make the guide block remove towards the direction of spread groove, thereby it removes to drive the dead lever, make the dead lever insert in the fixed slot, the installation of blade disc has finally been accomplished. The utility model discloses simple structure, reasonable in design, not only can be quick install the blade disc on the organism, can effectual assurance fastness moreover, the problem that probably drops when having solved the blade disc operation is fit for using widely.

Drawings

Fig. 1 is a schematic structural view of a pelletizing cutter head assembly device of a twin-screw extruder according to the present invention;

fig. 2 is a schematic structural view of a portion a of fig. 1 of a pelletizing cutter head assembly device of a twin-screw extruder according to the present invention;

fig. 3 is a right side view of the partial structure of fig. 2 of the pelletizing cutter head assembling device of the twin-screw extruder according to the present invention.

In the figure: the automatic cutter comprises a machine body 1, a connecting groove 2, a connecting rod 3, a cutter head 4, a fixing groove 5, a fixing cavity 6, a guide rod 7, a guide block 8, a fixing rod 9, a spring 10, a hinged support 11, a movable rod 12, a waist-shaped hole 13, a pin shaft 14, a first rotating shaft 15, a driving disc 16, a driving block 17, a through groove 18, a second rotating shaft 19, a handle 20, a first bevel gear 21 and a second bevel gear 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a pelletizing cutter disc assembling device of a double-screw extruder comprises a machine body 1, two connecting grooves 2 are formed in one side of the machine body 1, connecting rods 3 are movably mounted in the two connecting grooves 2, one ends of the two connecting rods 3 extend out of the machine body 1, a same cutter disc 4 is fixedly mounted, fixing grooves 5 are formed in the sides, away from each other, of the two connecting rods 3, the two fixing grooves 5 are respectively located in the two connecting grooves 2, two fixing cavities 6 are formed in the machine body 1, the two connecting grooves 2 are located between the two fixing cavities 6, a guide rod 7 is fixedly mounted between the inner wall of the top and the inner wall of the bottom of each fixing cavity 6, a guide block 8 is slidably sleeved on the guide rod 7, a fixing rod 9 is fixedly mounted on one side of the guide block 8, and a hinge base 11 is fixedly mounted on the inner, the hinge base 11 is rotatably provided with a movable rod 12, one side of the movable rod 12 is provided with a waist-shaped hole 13, one side of the guide block 8 is fixedly provided with a pin shaft 14, the inner wall of one side of the fixed cavity 6 is rotatably provided with a first rotating shaft 15, one end of the first rotating shaft 15 is fixedly sleeved with a transmission disc 16, one side of the transmission disc 16 is fixedly provided with a transmission block 17, and the pin shaft 14 and the transmission block 17 are both slidably arranged in the waist-shaped hole 13.

The utility model discloses in, the one end that two dead levers 9 are close to each other extends to two spread grooves 2 respectively in, and respectively with two fixed slot 5 looks adaptations, dead lever 9 can insert in fixed slot 5.

The utility model discloses in, spring 10 has been cup jointed in the activity on the guide bar 7, and spring 10's both ends respectively fixed mounting on one side of spread groove 2 and one side inner wall of fixed chamber 6 are kept away from to guide block 8, and spring 10's elastic restoring force can extrude guide block 8 for guide block 8 removes.

The utility model discloses in, logical groove 18 has all been seted up to the top and the bottom of organism 1, and two logical grooves 18 are linked together with two fixed chambeies 6 respectively.

The utility model discloses in, lead to the inslot 18 internal rotation and install second pivot 19, outside the one end of second pivot 19 extended to organism 1, and fixed mounting had handle 20, and the other end of second pivot 19 extended to fixed chamber 6 in, and fixed the cup joint has first awl tooth 21, and twist grip 20 can drive first awl tooth 21 and rotate.

The utility model discloses in, the fixed cover has been connected with second awl tooth 22 on the first pivot 15, and second awl tooth 22 meshes with first awl tooth 21 mutually, and first awl tooth 21 rotates, can drive second awl tooth 22 and rotate to make first pivot 15 rotate.

Example two

Referring to fig. 1-3, a pelletizing cutter disc assembling device of a double-screw extruder comprises a machine body 1, two connecting grooves 2 are formed in one side of the machine body 1, connecting rods 3 are movably mounted in the two connecting grooves 2, one ends of the two connecting rods 3 extend out of the machine body 1, a same cutter disc 4 is fixedly mounted, fixed grooves 5 are formed in the sides, away from each other, of the two connecting rods 3, the two fixed grooves 5 are respectively located in the two connecting grooves 2, two fixed cavities 6 are formed in the machine body 1, the two connecting grooves 2 are located between the two fixed cavities 6, a guide rod 7 is fixedly mounted between the inner wall of the top and the inner wall of the bottom of each fixed cavity 6, a guide block 8 is slidably sleeved on the guide rod 7, a fixed rod 9 is fixedly mounted on one side of the guide block 8, a hinge base 11 is fixedly mounted on the inner wall of one side, away from the fixed rod 9, waist type hole 13 has been seted up to one side of movable rod 12, and one side fixed mounting of guide block 8 has round pin axle 14, and one side inner wall of fixed chamber 6 rotates installs first pivot 15, and the fixed cover of one end of first pivot 15 has connect drive plate 16, and one side fixed mounting of drive plate 16 has drive block 17, and round pin axle 14 and the equal slidable mounting of drive block 17 are in waist type hole 13.

In the utility model, when in use, the handle 20 is rotated to drive the second rotating shaft 19 fixedly connected with the handle 20 to rotate, so that the first bevel gear 21 fixedly sleeved on the second rotating shaft 19 rotates, the second bevel gear 22 can be driven to rotate due to the meshing of the first bevel gear 21 and the second bevel gear 22, the movable rod 12 can be driven to rotate by taking the hinged support 11 as the center due to the connection relation among the second bevel gear 22, the first rotating shaft 15 and the transmission disc 16, and then the transmission block 17 fixedly installed on the transmission disc 16 rotates, the transmission block 17 is slidably installed in the waist-shaped hole 13, the guide block 8 is slidably sleeved on the guide rod 7, so that the guide block 8 can only vertically move along the guide rod 7, and the pin shaft 14 fixedly installed on the guide block 8 can only vertically move, because of the round pin axle 14, the relation of connection between waist type hole 13 and the movable rod 12, movable rod 12 rotates, can drive round pin axle 14 and remove towards the direction of handle 20, then drive guide block 8 and remove, and compression spring 10, thereby it removes to drive dead lever 9 of fixed mounting on guide block 8, when dead lever 9 shifts out spread groove 2, insert two spread groove 2 respectively with two connecting rods 3 of blade disc 4 one side fixed mounting, then loosen handle 20, because of the spring action of spring 10, extrude guide block 8, make guide block 8 remove towards the direction of spread groove 2, thereby it removes to drive dead lever 9, make dead lever 9 insert in fixed slot 5, the installation of blade disc 4 has finally been accomplished. The utility model discloses simple structure, reasonable in design, not only can be quick install the blade disc on the organism, can effectual assurance fastness moreover, the problem that probably drops when having solved the blade disc operation is fit for using widely.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a grain cutting blade disc assembly device of double screw extruder, which comprises a machine body (1) and is characterized in that, two spread grooves (2) are arranged on one side of the machine body (1), connecting rods (3) are movably arranged in the two spread grooves (2), one ends of the two connecting rods (3) extend out of the machine body (1), and a same blade disc (4) is fixedly arranged, a fixed groove (5) is arranged on one side of the two connecting rods (3) far away from each other, the two fixed grooves (5) are respectively positioned in the two spread grooves (2), two fixed cavities (6) are arranged on the machine body (1), the two spread grooves (2) are positioned between the two fixed cavities (6), a guide rod (7) is fixedly arranged between the inner wall of the top and the inner wall of the bottom of the fixed cavity (6), a guide block (8) is sleeved on the guide rod (7) in a sliding manner, a fixed rod (9, one side inner wall fixed mounting that dead lever (9) were kept away from in fixed chamber (6) has free bearing (11), it installs movable rod (12) to rotate on free bearing (11), waist type hole (13) have been seted up to one side of movable rod (12), one side fixed mounting of guide block (8) has round pin axle (14), one side inner wall of fixed chamber (6) rotates and installs first pivot (15), the fixed cover of one end of first pivot (15) has connect driving plate (16), one side fixed mounting of driving plate (16) has transmission piece (17), and round pin axle (14) and the equal slidable mounting of transmission piece (17) are in waist type hole (13).

2. The assembly device of the cutter head of the twin-screw extruder in accordance with claim 1, wherein the ends of the two fixing rods (9) adjacent to each other extend into the two connecting grooves (2) and are fitted with the two fixing grooves (5).

3. The pelletizing cutter head assembly device of the twin-screw extruder according to claim 1, characterized in that the guide rod (7) is movably sleeved with a spring (10), and two ends of the spring (10) are respectively and fixedly installed on the inner wall of one side of the guide block (8) far away from the connecting groove (2) and one side of the fixed cavity (6).

4. The pelletizing cutter head assembly device of the double-screw extruder according to claim 1, characterized in that the top and bottom of the body (1) are opened with through slots (18), and the two through slots (18) are respectively communicated with the two fixed cavities (6).

5. The pelletizing cutter head assembly device of the double-screw extruder according to claim 4, characterized in that the through groove (18) is rotatably mounted with a second rotating shaft (19), one end of the second rotating shaft (19) extends to the outside of the machine body (1) and is fixedly mounted with a handle (20), the other end of the second rotating shaft (19) extends to the inside of the fixed cavity (6) and is fixedly sleeved with the first bevel gear (21).

6. The pelletizing cutter head assembly device of the twin-screw extruder in claim 1, characterized in that the first rotating shaft (15) is fixedly sleeved with the second conical teeth (22), and the second conical teeth (22) are meshed with the first conical teeth (21).