CN214982358U - High-hardness rotary cutter for granulator - Google Patents

Abstract

The utility model relates to a high rigidity rotary cutter for pelleter is applied to the field of pelleter, and it includes cutter body and a plurality of blade, the cutter body passes through coupling mechanism with the blade and can dismantle the connection, coupling mechanism includes a plurality of connecting plates, the connecting plate links to each other and sets up along the length direction of cutter body with the lateral wall of cutter body, the spread groove has been seted up to one side that the connecting plate deviates from the cutter body, the opening that supplies the blade to slide in the spread groove is seted up to the one end of connecting plate, the blade along one side joint restriction of self length direction and with the spread groove cooperation of sliding, a plurality of the blade is along the outer peripheral edge distribution of cutter body, and is a plurality of the blade slope sets up, the cutter body can be dismantled along self length direction's one end and be connected with the fixed unit who is used for sealing the opening. Through coupling mechanism's setting in this application, when dismantling the blade, reduced the operator and need screwed down the possibility in proper order through a plurality of bolts on the instrument with the blade, convenient operation is swift.

Description

High-hardness rotary cutter for granulator

Technical Field

The application relates to the field of pelleter, especially relate to a high rigidity rotary cutter for pelleter.

Background

At present, with the vigorous development of the plastic rubber industry, the polyester production capacity is rapidly increased, and the use number of the polyester granulator is sharply increased. The cutting head of the granulator is the core of the whole granulator and mainly comprises a guide roller set, a fixed cutter, a movable cutter and other parts. The moving cutter is a rotary cutter with edge teeth, so the moving cutter is also called as a hob cutter in the industry, and the hob cutter of the granulator is the key for the efficient use of the granulator.

Chinese patent with publication number CN203266981U discloses a detachable hob of a granulator, which comprises a cutter shaft, wherein the cutter shaft is in a gear shape, a blade is arranged on the cutter shaft, the blade is fixed with the cutter shaft through a plurality of bolts, and when the blade is worn after long-term use, the bolts are sequentially screwed down to detach the blade, so that the blade is convenient to replace.

In view of the above-mentioned related art, the inventor believes that the gap between adjacent blades on the arbor is small, and the plurality of bolts on the blades need to be sequentially screwed off by a tool during disassembly, so that the operation is very inconvenient during disassembly.

SUMMERY OF THE UTILITY MODEL

In order to improve that the clearance between the adjacent blade on the arbor is less, need screw off a plurality of bolts on the blade in proper order through the instrument when dismantling, consequently the very inconvenient defect of operation when dismantling, this application provides a high rigidity rotary cutter for pelleter.

The application provides a pair of high rigidity rotary cutter for pelleter adopts following technical scheme:

the utility model provides a high rigidity rotary cutter for pelleter, includes cutter body and a plurality of blade, the cutter body passes through coupling mechanism with the blade and can dismantle the connection, coupling mechanism includes a plurality of connecting plates, the connecting plate links to each other and sets up along the length direction of cutter body with the lateral wall of cutter body, the spread groove has been seted up to one side that the connecting plate deviates from the cutter body, the opening that supplies the blade to slide into the spread groove is seted up to the one end of connecting plate, the blade along self length direction's one side joint restriction in the spread groove and with the spread groove cooperation of sliding, it is a plurality of the blade distributes along the outer peripheral edges of cutter body, it is a plurality of the blade slope sets up, the cutter body can be dismantled along self length direction's one end and be connected with the fixed unit who is used for sealing the opening.

Through adopting above-mentioned technical scheme, after the blade is used for a long time, when wearing and tearing need be changed appear, the operator pulls down the back with fixed unit, slides the blade with the hand, until through the opening with blade roll-off spread groove, can pull down the blade, has reduced the operator and need have screwed down the possibility in proper order through a plurality of bolts of instrument on with the blade, convenient operation is swift. During installation, an operator slides the blade into the connecting groove along one side of the blade in the length direction through the notch, and then the notch is sealed through the fixing unit, so that installation can be completed.

Optionally, the fixing unit includes a fixing ring, one end of the cutter body is connected with a fixing column, the fixing column is penetrated through the fixing ring, a fixing groove is formed in one end, away from the cutter body, of the fixing column along the length direction of the fixing column, the fixing groove penetrates through the side wall of the fixing column, a fixing strip is clamped in the fixing groove, a fixing rod is penetrated through the fixing column, one end of the fixing rod is connected with a positioning block, the other end of the fixing rod is in threaded connection with a nut, the fixing rod is abutted against one side, away from the fixing ring, of the fixing strip, the fixing strip is abutted against one side, away from the cutter body, of the fixing ring and the connecting plate, and the opening is sealed through the fixing ring and the connecting plate.

Through adopting above-mentioned technical scheme, during the installation, the operator is with one side slip back in the spread groove of blade, the operator wears to establish solid fixed ring with the fixed column, then with the fixed strip joint in the fixed slot, and pass the fixed column with the dead lever, screw up the nut simultaneously, make the dead lever contradict with one side that the fixed ring deviates from with the fixed strip, the fixed strip contradicts with one side that solid fixed ring deviates from the cutter body, thereby compress tightly the fixed strip on solid fixed ring, reduce the possibility that the fixed strip breaks away from in the fixed slot, and solid fixed ring contradicts with the connecting plate, thereby accomplish solid fixed ring's installation, gu fixed ring seals the opening, thereby reduce the in-process that uses, the blade passes through the possibility that opening and spread groove break away from.

Optionally, one side of the fixed ring facing the cutter body is connected with a plurality of fixed blocks, the fixed blocks are inserted into the connecting grooves and abutted against one ends of the blades close to the notches, and the blades are abutted against groove walls of the connecting grooves.

Through adopting above-mentioned technical scheme, during the solid fixed ring of installation, the operator is pegged graft the fixed block and is gone into the spread groove, then fixes solid fixed ring on the cutter body to make the fixed block contradict with the blade, thereby support the blade tightly on the cell wall of spread groove, thereby further fix the blade, take place the possibility of rocking with the blade when reducing the use.

Optionally, the two ends of the fixing strip are fixedly connected with limiting blocks, and the limiting blocks stretch over notches of fixing grooves in the side walls of the fixing columns.

Through adopting above-mentioned technical scheme, during the solid fixed ring of installation, the operator wears to establish solid fixed ring with the fixed column after, with the fixed strip joint in the fixed slot to make the stopper span the notch of fixed slot, thereby with the fixed strip restriction in the fixed slot, further reduced the possibility that the fixed strip breaks away from in the fixed slot.

Optionally, a piece taking hole is formed in one end, away from the opening, of the connecting plate, the piece taking hole is communicated with the connecting groove, a piece taking rod is detachably connected to the cutter body, and when the blade is detached, the piece taking rod penetrates through the piece taking hole and is abutted against one end, facing the piece taking hole, of the blade.

Through adopting above-mentioned technical scheme, when dismantling the blade, the operator will get a pole and pull down from the cutter body, then will get a pole and pass and get a hole for get a pole and contradict with the blade, then promote and get a pole, get a pole and drive the blade removal, break away from in the blade follow spread groove, thereby pull down the blade, need slide the blade with the hand and by the possibility of blade cut when having reduced the operator and having dismantled the blade, thereby the security when having improved the operation.

Optionally, the workpiece taking rod is detachably connected with the cutter body through the mounting unit, the mounting unit comprises a mounting plate, a placing groove is formed in one end, deviating from the fixing unit, of the cutter body, the workpiece taking rod is inserted into the placing groove, the mounting plate is connected with one end, provided with the placing groove, of the cutter body, and is connected with a first magnet, and a second magnet attracted with the first magnet is connected to the mounting plate.

By adopting the technical scheme, when the workpiece taking rod is required to be detached from the cutter body, an operator pulls the mounting plate until the first magnet is separated from the second magnet, and continues to pull the mounting plate until the workpiece taking rod is completely separated from the placing groove, so that the workpiece taking rod is detached. When the piece taking rod is installed, an operator inserts the piece taking rod into the placing groove in an inserting mode, the first magnet and the second magnet are attracted, the installing plate is fixed with the cutter body, and installation can be completed.

Optionally, the mounting panel is located one side that first magnet deviates from the cutter body, it is connected with the limiting plate to rotate on the mounting panel, limiting plate and mounting panel interference fit, the limiting groove has been seted up along one side of self length direction to the limiting plate, be connected with spacing post on the first magnet, spacing post joint is at spacing inslot.

Through adopting above-mentioned technical scheme, when the pole is got in the installation, the operator with first magnet and second magnet actuation back, rotate the limiting plate, until spacing post joint in the spacing inslot to further fix mounting panel and cutter body, further reduce and get the possibility that the pole breaks away from in the standing groove.

Optionally, the blade comprises a core layer and a protective layer made of 3Cr13 stainless steel, and the protective layer covers the outer side of the core layer.

By adopting the technical scheme, Cr is an element symbol of Cr, Cr is a metal with the highest hardness in the nature, and the protective layer made of 3Cr13 stainless steel has higher strength, hardness and wear resistance, so that the integral hardness of the blade is improved, and the possibility of the blade being worn is reduced.

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

1. through the arrangement of the connecting mechanism, when the blade is disassembled, the possibility that an operator needs to sequentially screw down a plurality of bolts on the blade through a tool is reduced, and the operation is convenient and rapid;

2. through the arrangement of the workpiece taking rod and the workpiece taking hole, the possibility that an operator needs to slide the blade by hand to be cut by the blade when the blade is detached is reduced, so that the safety during operation is improved;

3. through the arrangement of the protective layer, the integral hardness of the blade is improved, and the possibility that the blade is abraded is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-hardness rotary cutter for a pelletizer according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram for embodying a gap according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 1.

Fig. 5 is a schematic structural diagram for embodying a pick-up hole in an embodiment of the present application.

Fig. 6 is an enlarged view of a portion C in fig. 5.

Description of reference numerals: 1. a cutter body; 2. a blade; 21. a core layer; 22. a protective layer; 3. a connecting mechanism; 31. a connecting plate; 311. a workpiece taking hole; 32. connecting grooves; 33. opening the gap; 34. a slide bar; 4. a fixing unit; 41. a fixing ring; 411. a fixed block; 42. fixing a column; 43. fixing grooves; 44. a fixing strip; 441. a limiting block; 45. fixing the rod; 46. positioning blocks; 47. a nut; 5. a workpiece taking rod; 6. a mounting unit; 61. mounting a plate; 62. a placement groove; 63. a first magnet; 64. a second magnet; 65. a limiting plate; 66. a connecting shaft; 67. a limiting groove; 68. a limiting column.

Detailed Description

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

The embodiment of the application discloses high rigidity rotary cutter for pelleter.

Referring to fig. 1 and 2, high hardness rotary cutter for pelleter includes cutter body 1 and a plurality of blade 2, and a plurality of blade 2 equidistance distribute on the outer peripheral edge of cutter body 1, and the equal anticlockwise slope setting of a plurality of blade 2, blade 2 passes through coupling mechanism 3 and can dismantle with cutter body 1 and be connected. The blade 2 comprises a core layer 21 and a protective layer 22, the protective layer 22 covers the outer side of the core layer 21, the protective layer 22 is made of 3Cr13 stainless steel, and the 3Cr13 stainless steel has excellent strength, hardness and wear resistance, so that the blade 2 has higher hardness and is more durable compared with a common blade.

Referring to fig. 2 and 3, the connecting mechanism 3 includes a plurality of connecting plates 31, the connecting plates 31 are equidistantly distributed along the outer circumference of the cutter body 1, the connecting plates 31 are fixedly connected with the cutter body 1 and are arranged along the length direction of the cutter body 1, and one connecting plate 31 corresponds to one blade 2. Connecting groove 32 has been seted up to one side that connecting plate 31 deviates from cutter body 1, and connecting groove 32 is the dovetail, and connecting groove 32 sets up along the length direction of connecting plate 31, and opening 33 has been seted up to the one end of connecting plate 31, and opening 33 communicates with connecting groove 32. A sliding bar 34 is fixedly connected to one side of the blade 2 facing the knife body 1, and the sliding bar 34 is clamped in the connecting groove 32 and slides along the connecting groove 32.

Referring to fig. 1 and 4, one end of the cutter body 1 is provided with two fixing units 4, and the fixing units 4 are located at one end of the connecting plate 31 where the opening 33 is formed. The fixing unit 4 comprises a fixing ring 41, the fixing ring 41 is fixedly connected with a plurality of fixing blocks 411 towards one side of the cutter body 1, one fixing block 411 corresponds to one notch 33, the fixing block 411 is clamped in the connecting groove 32 through the notch 33 and is abutted against one end, close to the notch 33, of the sliding strip 34, and the sliding strip 34 is abutted against the groove wall of the connecting groove 32. The fixing ring 41 abuts against one end of the connecting plate 31, at which the opening 33 is opened, and closes the opening 33.

Referring to fig. 1, cutter body 1 is towards two fixed columns 42 of one end fixedly connected with of solid fixed ring 41, and solid fixed ring 41 is worn to establish by fixed column 42, and fixed slot 43 has been seted up to the one end that fixed column 42 deviates from cutter body 1, and fixed slot 43 is seted up along the length direction of fixed column 42, and fixed slot 43 runs through the lateral wall of fixed column 42. The fixing strip 44 is connected in the fixing groove 43 in a clamping manner, and the fixing strip 44 is abutted against one side of the fixing ring 41 departing from the cutter body 1. The equal fixedly connected with stopper 441 in both ends of fixed strip 44, stopper 441 span the notch of fixed slot 43 on the fixed column 42 lateral wall, and stopper 441 is contradicted with solid fixed ring 41. A fixing rod 45 penetrates through the fixing column 42, and the fixing rod 45 abuts against one side of the fixing strip 44, which is far away from the fixing ring 41. One end fixedly connected with locating piece 46 of dead lever 45, other end threaded connection has nut 47, and nut 47 and locating piece 46 all contradict with the lateral wall of fixed column 42.

Referring to fig. 1 and 4, when the blade 2 is mounted, an operator slides the blade 2 into the connecting groove 32 through the notch 33, then the fixing column 42 penetrates through the fixing ring 41, the fixing block 411 is clamped in the connecting groove 32, and the fixing block 411 is abutted against the slide bar 34. The operator snaps the fixing bar 44 into the fixing groove 43 and causes the stopper 441 to straddle the notch of the fixing groove 43. An operator penetrates the fixing rod 45 through the fixing column 42 until the positioning block 46 abuts against the side wall of the fixing column 42, the fixing rod 45 abuts against the fixing strip 44, and therefore the fixing strip 44 is pressed on the fixing ring 41, and the fixing strip 44 presses the fixing ring 41 on the cutter body 1. The operator threadedly connects the nut 47 to an end of the fixing rod 45 remote from the positioning block 46, and rotates the nut 47 until the nut 47 abuts against a side wall of the fixing post 42, thereby completing the installation of the blade 2.

Referring to fig. 5 and 6, a pick-up hole 311 is formed at one end of the connecting plate 31 away from the notch 33, and the pick-up hole 311 is communicated with the connecting groove 32. A workpiece taking rod 5 is detachably connected to the cutter body 1 through an installation unit 6, and the workpiece taking rod 5 is arranged along the length direction of the cutter body 1.

Referring to fig. 6, the mounting unit 6 includes a mounting plate 61, a first magnet 63, and a second magnet 64. The mounting plate 61 is fixedly connected with one end of the pickup rod 5 and is arranged perpendicular to the pickup rod 5. The cutter body 1 deviates from the one end of solid fixed ring 41 and has been seted up standing groove 62, and standing groove 62 sets up along the length direction of cutter body 1, gets a pole 5 and pegs graft in standing groove 62, and mounting panel 61 is located the one end that cutter body 1 deviates from solid fixed ring 41. The first magnet 63 is adhered to one end of the cutter body 1 facing the mounting plate 61, the second magnet 64 is adhered to one side of the mounting plate 61 facing the cutter body 1, and the first magnet 63 and the second magnet 64 are attracted.

Referring to fig. 6, a connecting shaft 66 is fixedly connected to a side wall of the mounting plate 61, a limiting plate 65 is rotatably connected to the connecting shaft 66, and the limiting plate 65 is in interference fit with the connecting shaft 66. Fixedly connected with spacing post 68 on the lateral wall of first magnet 63, limiting plate 65 has seted up spacing groove 67 along one side of self length direction, and spacing post 68 joint is in spacing groove 67.

Referring to fig. 5 and 6, when the blade 2 is removed, the operator removes the fixing ring 41 and then releases the slit 33. The operator rotates the position limiting plate 65 away from the position limiting post 68 until the position limiting post 68 is completely separated from the position limiting groove 67, the operator pulls the mounting plate 61 until the first magnet 63 is separated from the second magnet 64, and then the workpiece taking rod 5 is completely pulled out of the placing groove 62. The operator will get a pole 5 and pass and get a hole 311 and contradict with the one end of blade 2, then promote and get a pole 5, get a pole 5 and drive blade 2 and slide until draw runner 34 slides out spread groove 32 completely to pull down blade 2, reduced the operator need with the possibility of hand slip blade 2, improved the security when operating.

The implementation principle of the high-hardness rotary cutter for the granulator is as follows: when the blade 2 is detached, the operator unscrews the nut 47 and removes the fixing rod 45 from the fixing post 42, thereby releasing the fixing strip 44; an operator slides the fixing strip 44 out of the fixing groove 43, then separates the fixing ring 41 from the fixing column 42, and separates the fixing block 411 from the connecting groove 32, so that the fixing ring 41 is detached, and the opening 33 is unsealed; the operator inserts the take-out lever 5 into the take-out hole 311 and pushes the take-out lever 5 until the slide 34 is completely disengaged from the coupling groove 32, thereby completing the removal of the blade 2.

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 (8)

1. The utility model provides a high rigidity rotary cutter for pelleter which characterized in that: comprises a cutter body (1) and a plurality of blades (2), the cutter body (1) and the blades (2) are detachably connected through a connecting mechanism (3), the connecting mechanism (3) comprises a plurality of connecting plates (31), the connecting plates (31) are connected with the side wall of the cutter body (1) and are arranged along the length direction of the cutter body (1), one side of the connecting plate (31) departing from the cutter body (1) is provided with a connecting groove (32), one end of the connecting plate (31) is provided with a gap (33) for the blade (2) to slide into the connecting groove (32), the blades (2) are clamped and limited in the connecting groove (32) along one side of the length direction of the blades and are matched with the connecting groove (32) in a sliding manner, the blades (2) are distributed along the outer peripheral edge of the cutter body (1), the blades (2) are obliquely arranged, one end of the cutter body (1) along the length direction of the cutter body is detachably connected with a fixing unit (4) used for sealing the opening (33).

2. The high-hardness rotary cutter for a pelletizer according to claim 1, wherein: the fixing unit (4) comprises a fixing ring (41), one end of the cutter body (1) is connected with a fixing column (42), the fixing column (42) penetrates through the fixing ring (41), a fixing groove (43) is formed in one end, far away from the cutter body (1), of the fixing column (42) along the length direction of the fixing column (42), the fixing groove (43) penetrates through the side wall of the fixing column (42), a fixing strip (44) is clamped in the fixing groove (43), a fixed rod (45) penetrates through the fixed column (42), one end of the fixed rod (45) is connected with a positioning block (46), the other end of the fixed rod is in threaded connection with a nut (47), the fixing rod (45) is abutted against one side of the fixing strip (44) departing from the fixing ring (41), the fixing strip (44) is abutted against one side of the fixing ring (41) departing from the cutter body (1), the fixing ring (41) is abutted against the connecting plate (31) and seals the gap (33).

3. The high-hardness rotary cutter for a pelletizer according to claim 2, wherein: one side of the fixed ring (41) facing the cutter body (1) is connected with a plurality of fixed blocks (411), the fixed blocks (411) are inserted into the connecting grooves (32) and abutted against one ends of the blades (2) close to the notches (33), and the blades (2) are abutted against the groove walls of the connecting grooves (32).

4. The high-hardness rotary cutter for a pelletizer according to claim 2, wherein: the two ends of the fixing strip (44) are fixedly connected with limiting blocks (441), and the limiting blocks (441) stretch across notches of the fixing grooves (43) on the side walls of the fixing columns (42).

5. The high-hardness rotary cutter for a pelletizer according to claim 1, wherein: one end of the connecting plate (31) far away from the opening (33) is provided with a piece taking hole (311), the piece taking hole (311) is communicated with the connecting groove (32), the cutter body (1) is detachably connected with a piece taking rod (5), and when the blade (2) is detached, the piece taking rod (5) penetrates through the piece taking hole (311) and is abutted against one end of the piece taking hole (311) towards the blade (2).

6. The high-hardness rotary cutter for a pelletizer according to claim 5, wherein: get a pole (5) and can dismantle with cutter body (1) through installation element (6) and be connected, installation element (6) include mounting panel (61), standing groove (62) have been seted up to the one end that cutter body (1) deviates from fixed unit (4), it pegs graft in standing groove (62) to get a pole (5), mounting panel (61) link to each other with the one end of getting a pole (5), the one end that standing groove (62) have been seted up in cutter body (1) is connected with first magnet (63), be connected with on mounting panel (61) with second magnet (64) of first magnet (63) looks actuation.

7. The high-hardness rotary cutter for a pelletizer according to claim 6, wherein: mounting panel (61) are located one side that first magnet (63) deviate from cutter body (1), it is connected with limiting plate (65) to rotate on mounting panel (61), limiting plate (65) and mounting panel (61) interference fit, spacing groove (67) have been seted up along one side of self length direction in limiting plate (65), be connected with spacing post (68) on first magnet (63), spacing post (68) joint is in spacing groove (67).

8. The high-hardness rotary cutter for a pelletizer according to claim 1, wherein: the blade (2) comprises a core layer (21) and a protective layer (22) made of 3Cr13 stainless steel, wherein the protective layer (22) is coated on the outer side of the core layer (21).

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