CN214773211U

CN214773211U - Cutter assembly and cutting chamber automatic mold closing device for underwater granulator

Info

Publication number: CN214773211U
Application number: CN202120224132.8U
Authority: CN
Inventors: 刘土法
Original assignee: Nanjing Hone Machinery Electronics Co ltd
Current assignee: Nanjing Hone Machinery Electronics Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-19
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a cutter assembly and cutting chamber automatic mold closing device for pelleter under water, use in the field of pelleter under water, it is including setting up the rotatory ring of connecting on the cutter assembly with rotating at the spacing sleeve of cutting chamber tip, the one end circumference that the cutting chamber was kept away from to spacing sleeve is equipped with a plurality of stoppers, the annular has been seted up to rotatory ring inner circle, rotatory ring terminal surface is equipped with the draw-in groove with each stopper one-to-one, when the stopper gets into the annular by the draw-in groove in, be equipped with on the cutter assembly and be used for driving rotatory ring pivoted driving piece. This application has the effect of making things convenient for cutter assembly and cutting chamber compound die.

Description

Cutter assembly and cutting chamber automatic mold closing device for underwater granulator

Technical Field

The application relates to the field of underwater pelletizer, in particular to a cutter assembly and cutting chamber automatic mold closing device for an underwater pelletizer.

Background

For granulation of polymer materials with low viscosity and high elasticity or granules with special requirements, an underwater pelletizer is generally used to cut the molten rubber-plastic material extruded through a die plate into granules in flowing water.

Chinese patent No. CN201056039Y discloses a dicing device of an underwater pelletizer, comprising a die head fixedly mounted on a frame and a cutter rotatably mounted on the frame, wherein a blade of the cutter rotates along a die surface of the die head to form cutting cooperation with the die surface; the die head is provided with at least one die hole, and the position of the die hole corresponds to the position of the cutter blade; the cutter is provided with an automatic axial pressure adjusting device which can enable the blade to be close to the die surface of the die head; the automatic axial pressure adjusting device is a hydraulic mechanism which is arranged on a cutter bar of the cutter through a bearing.

In view of the above-mentioned related technologies, the inventor believes that in actual work, the die head is installed in the cutting chamber, and after the cutter advances and is attached to the die head, the cutter assembly and the cutting chamber need to be fixed to seal the cutting chamber.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of cutter assembly and cutting chamber compound die, this application provides a cutter assembly and cutting chamber automatic mold closing device for pelleter under water.

The application provides a pair of cutter assembly and automatic closing device of cutting chamber for pelleter adopt following technical scheme under water:

the utility model provides a cutter assembly and cutting chamber automatic mold closing device for pelleter under water, is including setting up the rotatory ring of connecting on the cutter assembly at the spacing sleeve of cutting chamber tip and rotation, the one end circumference that the cutting chamber was kept away from to spacing sleeve is equipped with a plurality of stoppers, the annular has been seted up to rotatory ring inner circle, rotatory ring end face be equipped with each stopper one-to-one draw-in groove, work as when the stopper gets into the annular by the draw-in groove, be equipped with on the cutter assembly and be used for driving rotatory ring pivoted driving piece.

Through adopting above-mentioned technical scheme, the cutter assembly gos forward, drives in the cutter pierces into spacing sleeve, and when cutter and die head laminating, rotatory ring is contradicted with spacing sleeve, and in the stopper got into the annular by the draw-in groove, the rotatory ring of driving piece drive rotated for stopper and draw-in groove dislocation, thereby fixed cutter assembly and cutting chamber, the completion compound die action need not artifical manual operation, convenient and fast, labour saving and time saving.

Optionally, the driving member includes an air cylinder and a connecting rod, the air cylinder is hinged to the cutter assembly, one end of the connecting rod is hinged to the air cylinder piston rod, and the other end of the connecting rod is connected to the rotating ring.

By adopting the technical scheme, when the cylinder starts to drive the piston rod to move in a telescopic mode, the connecting rod drives the rotating ring to rotate forwards or backwards, and switching is quick.

Optionally, the piston rod of the cylinder is sleeved with a telescopic sleeve, the telescopic sleeve is sleeved with an adjusting screw, one end of the adjusting screw is in conflict with the piston rod of the cylinder, a support is arranged at the end of the telescopic sleeve, and the connecting rod is hinged to the support.

Through adopting above-mentioned technical scheme, the operator can remove the telescopic sleeve and adjust the relative position of being connected with the connecting rod, the actual installation of being convenient for.

Optionally, a piston rod of the cylinder is provided with a limiting plane opposite to the adjusting screw.

Through adopting above-mentioned technical scheme, spacing plane and the laminating of adjusting the screw tip have reduced the flexible cover and have taken place relative pivoted possibility.

Optionally, annular seal groove has been seted up with the spacing sleeve lateral wall to rotatory ring, rotatory ring is equipped with first sealing washer in the seal groove, rotatory ring inner circle is equipped with the second sealing washer.

Through adopting above-mentioned technical scheme, first sealing washer has increased the leakproofness between rotatory ring and spacing sleeve, and the second sealing washer has then dwindled its and the cutter assembly clearance within a definite time.

Optionally, the end of the cutter assembly is provided with a conical surface, the conical surface is provided with a third sealing ring, and the inner contour of the limiting sleeve is matched with the end of the cutter assembly.

Through adopting above-mentioned technical scheme, cutter assembly tip forms a face contact with the grafting of spacing sleeve inside, and the cooperation third sealing washer again does benefit to the sealing performance who improves after cutter assembly and the cutting chamber compound die.

Optionally, the side wall of the rotating ring is provided with an intermediate ring, the intermediate ring is provided with first sliding grooves which are coaxially distributed, the cutter assembly is provided with a ring plate, the side wall of the ring plate is provided with a second sliding groove for inserting the intermediate ring, and the ring plate is in threaded connection with a limit screw of which the end penetrates into the first sliding groove.

Through adopting above-mentioned technical scheme, the intermediate ring is restricted in the second spout by stop screw, has realized rotatory ring's free rotation and has dismantled the connection, simple to operate, and the flexibility is high.

Optionally, the end of the limit screw is embedded with a steel ball which is abutted against the bottom of the first sliding groove.

Through adopting above-mentioned technical scheme, when rotatory ring rotated, the steel ball rolled along first spout, when guaranteeing the binding power of stop screw and intermediate ring, did benefit to the resistance that reduces the intermediate ring and received.

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

1. the automatic die assembly and locking of the cutter assembly and the cutting chamber are realized, and the operation is convenient and rapid;

2. the adjustable arrangement of the telescopic sleeve provides convenience for the connection of the connecting rod and the piston rod of the cylinder; the intermediate ring can be disassembled while being rotationally connected, and is convenient to install and high in flexibility.

Drawings

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

Fig. 2 is a schematic structural diagram for embodying a rotating ring according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying an intermediate ring and a ring plate according to an embodiment of the present application.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is a schematic structural diagram for embodying the telescopic sleeve in the embodiment of the present application.

Fig. 6 is a schematic structural diagram for embodying the limiting sleeve according to the embodiment of the present application.

Description of reference numerals: 1. a limiting sleeve; 11. a limiting block; 2. a rotating ring; 21. a ring groove; 22. a card slot; 23. a sealing groove; 231. a first seal ring; 24. a second seal ring; 25. a conical surface; 26. a third seal ring; 3. a drive member; 31. a cylinder; 32. a connecting rod; 33. a telescopic sleeve; 331. a support; 34. an adjusting screw; 35. a limiting plane; 4. an intermediate ring; 41. a first chute; 42. a ring plate; 421. a second chute; 43. a limit screw; 431. steel balls; 5. a cutter assembly; 6. and a cutting chamber.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses cutter assembly and automatic mold closing device of cutting chamber for underwater granulator.

Like figure 1, cutter assembly and cutting chamber automatic mold closing device for pelleter under water are including setting up at the spacing sleeve 1 of 6 tip in cutting chamber and connecting rotatory ring 2 on cutter assembly 5, and spacing sleeve 1 distributes with rotatory ring 2 relatively, and the one end that cutting chamber 6 was kept away from to spacing sleeve 1 is equipped with a plurality of stopper 11 of distributing along its axis circumference equidistance, and stopper 11 is fan-shaped and with 1 integrated into one piece of spacing sleeve.

As shown in fig. 2 and 3, the rotating ring 2 is sleeved on the cutter assembly 5, a ring groove 21 is formed in the inner ring of the rotating ring 2, the inner diameter of the ring groove 21 is not smaller than the diameter of an outer circle surrounded by the limiting blocks 11, clamping grooves 22 corresponding to the limiting blocks 11 one to one are formed in one side of the rotating ring 2 facing the limiting sleeve 1, and the clamping grooves 22 are communicated with the ring groove 21; referring to fig. 3 and 4, a coaxially distributed intermediate ring 4 is disposed on a side of the rotating ring 2 away from the limiting sleeve 1, an annular first chute 41 is disposed on an outer wall of the intermediate ring 4, the first chute 41 and the intermediate ring 4 are coaxially distributed, a ring plate 42 is disposed on the cutter assembly 5, the ring plate 42 and the intermediate ring 4 are oppositely distributed, an annular second chute 421 is disposed on an environmental-friendly side wall, the second chute 421 and the intermediate ring 4 are coaxially distributed, a plurality of circumferentially equidistantly arranged screw holes are disposed on an outer wall of the ring plate 42, the screw holes are communicated with the second chute 421, a limiting screw 43 is screwed into each screw hole of the ring plate 42, a steel ball 431 is embedded into each end of the limiting screw 43, the steel ball 431 can freely roll, the intermediate ring 4 is inserted into the second chute 421, an operator screws the limiting screw 43 to drive the steel ball 431 to abut against a bottom of the first chute 41, the intermediate ring 4 is limited in the second chute 421 by each steel ball 431, meanwhile, the free rotation of the middle ring 4 is ensured, so that the rotating connection of the rotating ring 2 and the cutter assembly 5 is realized, and the cutter assembly 5 is provided with a driving piece 3 for driving the rotating ring 2 to rotate.

As shown in fig. 2 and 5, the driving member 3 includes a cylinder 31 hinged on the cutter assembly 5 and a connecting rod 32 disposed on the side wall of the rotating ring 2, the connecting rod 32 being perpendicular to the axis of the rotating ring 2; the end part of a piston rod of the cylinder 31 is provided with a limit plane 35 extending along the axial direction of the cylinder, the end part of the piston rod of the cylinder 31 is further sleeved with a telescopic sleeve 33, the telescopic sleeve 33 is connected with an adjusting screw 34 in a threaded manner, the end part of the adjusting screw 34 penetrates into the telescopic sleeve 33 and is abutted against the limit plane 35, so that the telescopic cylinder and the piston rod of the cylinder 31 are fixed and the relative rotation of the telescopic cylinder is limited, and the end part of the telescopic sleeve 33 is hinged with the connecting rod 32. When the cylinder 31 is started, the piston rod of the cylinder 31 pushes the connecting rod 32 to drive the rotating ring 2 to rotate, so that the operation is simple and quick, and in addition, an operator can also freely adjust the position of the telescopic sleeve 33 to adjust the rotating stroke of the connecting rod 32, so that the operation is convenient and flexible.

As shown in fig. 4 and fig. 6, the rotating ring 2 and the limiting sleeve 1 are provided with annular sealing grooves 23 on opposite sides, a first sealing ring 231 is arranged in the sealing groove 23 of the rotating ring 2, and a second sealing ring 24 is embedded in the inner ring of the rotating ring 2, so as to increase the sealing performance between the rotating ring 2 and the cutter assembly 5; cutter assembly 5 tip is equipped with conical surface 25, be equipped with third sealing washer 26 on the conical surface 25, the inside profile of stop sleeve 1 and 5 tip looks adaptations of cutter assembly, stop sleeve 1 inner wall is formed with the toper fitting surface with conical surface 25 coaxial distribution promptly, contact area between them when having guaranteed that cutter assembly 5 pegs graft to stop sleeve 1 in, has played the effect of location on the one hand, and on the other hand has also improved the leakproofness between cutter assembly 5 and stop sleeve 1.

The implementation principle of the embodiment of the application is as follows: when the cutting is carried out, the end part of the cutter assembly 5 moves to be close to the cutting chamber 6 and is inserted into the limiting sleeve 1, when the cutter penetrates into the limiting sleeve 1 and is abutted against the die head, each limiting block 11 enters the annular groove 21 from the corresponding clamping groove 22, the rotating ring 2 is abutted against the limiting sleeve 1 at the moment, the sealing ring is embedded into the corresponding sealing groove 23 of the limiting sleeve 1, and a gap between the rotating ring 2 and the limiting sleeve 1 is sealed; the cylinder 31 starts, and the piston rod of the cylinder 31 extends, drives the connecting rod 32 to push the rotating ring 2 to rotate, and the limiting block 11 and the clamping groove 22 are staggered, so that the rotating ring 2 and the limiting sleeve 1 are fixed mutually, the die assembly locking of the cutter assembly 5 and the cutting chamber 6 is completed, and the device is convenient, rapid, time-saving and labor-saving. After the cutting is finished, the piston rod of the air cylinder 31 moves back, so that the connecting rod 32 drives the rotating ring 2 to rotate, the limiting block 11 is opposite to the clamping groove 22, and the cutter assembly 5 moves back and resets to drive the rotating ring 2 to separate.

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 cutter assembly and automatic closing device of cutting chamber for pelleter under water which characterized in that: including setting up at the rotatory ring (2) of spacing sleeve (1) and the rotation connection on cutter assembly (5) of cutting chamber (6) tip, the one end circumference that cutting chamber (6) were kept away from in spacing sleeve (1) is equipped with a plurality of stoppers (11), annular (21) have been seted up to rotatory ring (2) inner circle, rotatory ring (2) terminal surface be equipped with draw-in groove (22) of each stopper (11) one-to-one, work as when stopper (11) get into annular (21) by draw-in groove (22) in, be equipped with on cutter assembly (5) and be used for driving rotatory ring (2) pivoted driving piece (3).

2. The automatic mold closing device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 1, wherein: the driving piece (3) comprises an air cylinder (31) and a connecting rod (32), the air cylinder (31) is hinged to the cutter assembly (5), one end of the connecting rod (32) is hinged to a piston rod of the air cylinder (31), and the other end of the connecting rod is connected with the rotating ring (2).

3. The automatic mold closing device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 2, wherein: the cover is equipped with telescopic sleeve (33) on the piston rod of cylinder (31), threaded connection has adjusting screw (34) that one end and cylinder (31) piston rod contradicted on telescopic sleeve (33), telescopic sleeve (33) tip is equipped with support (331), connecting rod (32) are articulated mutually with support (331).

4. The automatic mold closing device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 3, wherein: and a piston rod of the air cylinder (31) is provided with a limiting plane (35) opposite to the adjusting screw (34).

5. The automatic mold closing device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 1, wherein: annular seal groove (23) have been seted up with stop sleeve (1) lateral wall to rotatory ring (2), rotatory ring (2) are equipped with first sealing washer (231) in seal groove (23), rotatory ring (2) inner circle is equipped with second sealing washer (24).

6. The automatic mold closing device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 5, wherein: the end part of the cutter assembly (5) is provided with a conical surface (25), the conical surface (25) is provided with a third sealing ring (26), and the inner contour of the limiting sleeve (1) is matched with the end part of the cutter assembly (5).

7. The automatic die assembly device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 1 or 6, wherein: the cutting knife is characterized in that an intermediate ring (4) is arranged on the side wall of the rotating ring (2), first sliding grooves (41) which are coaxially distributed are formed in the intermediate ring (4), a ring plate (42) is arranged on the cutting knife assembly (5), a second sliding groove (421) for the intermediate ring (4) to be inserted is formed in the side wall of the ring plate (42), and a limiting screw (43) with an end penetrating into the first sliding groove (41) is in threaded connection with the ring plate (42).

8. The automatic mold closing device for the cutter assembly and the cutting chamber of the underwater pelletizer as claimed in claim 7, wherein: and a steel ball (431) which is abutted against the bottom of the first sliding groove (41) is embedded in the end part of the limiting screw (43).