CN2868598Y

CN2868598Y - Cutter distance-adjusting device for plastic particle-cutting machine

Info

Publication number: CN2868598Y
Application number: CN 200520121720
Authority: CN
Inventors: 覃伟明
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-19
Filing date: 2005-09-19
Publication date: 2007-02-14
Anticipated expiration: 2015-09-19

Abstract

The utility model consists of a bracket 1, an upper traction roll 4 and a distance-adjuster 5, a lower traction roll 2, a bearing base 7, a bearing 11, a roll bearing 12, a mobile rotary blade 6, a stationary blade 3, a distance-adjusting locating rod 9, a locking bolt 8 and a distance-adjusting stop block 10. The distance-adjusting locating rod 9, locking bolt 8 and distance-adjusting stop block 10 are provided at the positions vertical to the bearing base 7; the distance-adjusting stop block 10 is connected with bracket 1 by bolt 13. The bearing base of the utility model is eccentric driven by the distance-adjusting locating rod to realize accurate the forward, backward, upward, and downward distance adjustments of mobile rotary blade. The bracket is provided with a distance-adjusting stop block, which makes the eccentric bearing base and mobile rotary blade stable and reliable after a distance adjustment. The utility model suffers from no stress caused distortion. The distance-adjusting locating is rapid, accurate, and reliable, with a distance-adjusting speed doubled more than 10 times while compared with the prior art, and the service life is longer than prior art by more than two times. The utility model may be widely applied to the cutting and particle making of plastics, rubber or plastic materials.

Description

The cutting knife roll-setting gear of plastic grain cutting machine

Technical field the utility model relates to plastics machinery, particularly a kind of cutting knife roll-setting gear of plastic grain cutting machine.

In the background technology prior art, the cutting knife roll-setting gear of plastic grain cutting machine is by support, last carry-over pinch rolls, following carry-over pinch rolls, the square shaft bearing, bearing, rotating shaft, moving rotor, stationary knife, stretching screw, holding out against screw constitutes, last carry-over pinch rolls, following carry-over pinch rolls, stationary knife, the square shaft bearing is assemblied on the support, running in bearings on the square shaft bearing, on bearing, assemble rotating shaft, the moving rotor of assembling in rotating shaft, on a Side face of the horizontal direction support of square shaft bearing, be provided with internal thread hole, assemble stretching screw in the internal thread hole and hold out against screw, the distance of stationary knife and moving rotor is reached the purpose of roll adjustment by stretching screw and the displacement that holds out against screw pulling or promotion square shaft bearing, the defective that the cutting knife roll-setting gear of this structure exists is: (1) toolsetting workload is big, consuming time more, and displacement easily; (2) square shaft bearing and support quality of fit require height, and square shaft bearing front end will leave the roll adjustment room, at the roll adjustment empty place plastic pellet fly bomb is come out; (3) the roll adjustment screw is many, and general stretching screw and hold out against each 4 on screw causes unbalanced stress to make tool rest, bearing block distortion easily, not only influences the service life of cutter and bearing, and the course of work walks easily, and accident is frequent.

Utility model content the purpose of this utility model is to solve the defective that the roll adjustment of cutting knife in the prior art exists, and a kind of cutting knife roll-setting gear of the plastic grain cutting machine that has improved is provided.

The technical solution of the utility model is: a kind of cutting knife roll-setting gear of plastic grain cutting machine; comprise support; last carry-over pinch rolls; last carry-over pinch rolls range regulator; following carry-over pinch rolls; bearing block; bearing; rotating shaft; moving rotor; stationary knife; last carry-over pinch rolls; following carry-over pinch rolls; stationary knife; bearing block is assemblied on the support; fit on carry-over pinch rolls range regulator on last carry-over pinch rolls; running in bearings on bearing block; on bearing, assemble rotating shaft; the moving rotor of assembling in rotating shaft; it is characterized in that: the vertical direction at bearing block is provided with roll adjustment backstay and roll adjustment limited block; the roll adjustment limited block is linked together by screw and support assembling; the roll adjustment backstay is assemblied on roll adjustment limited block and the support; the roll adjustment backstay is linked together by lock-screw and the assembling of roll adjustment limited block, and an end of roll adjustment backstay places on the bearing block.

Described support is made of upper bracket and lower carriage, on upper bracket, be provided with screw hole that connects assembling with lower carriage and the screwed hole that connects with the roll adjustment limited block, on upper bracket, be provided with the groove of assembling roll adjustment backstay, on lower carriage, be provided with the screwed hole that connects assembling roll adjustment limited block, the screwed hole of rigging screw and lower carriage is spirally connected upper bracket and lower carriage is linked together in the screw hole of upper bracket, be provided with the hole of assembled shaft bearing on upper bracket and lower carriage, support is used by two support equippeds of symmetry.

The two ends of described roll adjustment backstay are cylindrical, the roll adjustment backstay wherein counterbore on the cylindrical and bearing block of an end cooperates, the middle part of roll adjustment backstay is a pancake, the pancake of roll adjustment backstay and the groove fit on the support, middle part at the roll adjustment backstay is provided with screwed hole, and screwed hole cooperates with lock-screw.

Described bearing block is the bearing block of eccentric orfice, and bearing block is provided with counterbore, and the counterbore on the bearing block and roll adjustment backstay wherein the cylindrical of an end cooperate.

Described roll adjustment limited block is provided with the screw hole that connects assembling with upper bracket, on the roll adjustment limited block, be provided with the longitudinal fluting of assembling roll adjustment backstay and the transverse concave groove of lock-screw, the longitudinal fluting of roll adjustment backstay cooperates with the pancake of roll adjustment backstay, and transverse concave groove cooperates with lock-screw.

The beneficial effects of the utility model are: owing to adopted above technical scheme, bearing block is eccentric bearing block, eccentric bearing block is provided with counterbore, one end of roll adjustment backstay places in the counterbore on the eccentric bearing block, when roll adjustment, need only and rotate the roll adjustment backstay lightly, the roll adjustment backstay drives eccentric bearing block can finish accurately that moving rotor is forward and backward, the adjusting of upper and lower distance, because assembling roll adjustment limited block on the support, the bearing block of maintenance off-centre and moving rotor is reliable and stable behind the roll adjustment, the utility model stressless deformation.Roll adjustment is fast and accurate for positioning reliable, and its roll adjustment speed improves more than ten times than prior art, and improve twice more than than prior art the service life of cutter and bearing, and the utility model can be used for the cutting granulation of plastics, rubber or plastic material widely.

Description of drawings Fig. 1 is an organigram of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the organigram of support of the present utility model;

Fig. 4 is the vertical view of Fig. 3;

Fig. 5 is the organigram of roll adjustment backstay of the present utility model;

Fig. 6 is that the A-A of Fig. 5 is to view;

Fig. 7 is the organigram of bearing block of the present utility model;

Fig. 8 is the vertical view of Fig. 7;

Fig. 9 is the organigram of roll adjustment limited block of the present utility model;

Figure 10 is the vertical view of Fig. 9.

Specific embodiment Figure of description is the optimal way that the utility model is implemented, below in conjunction with description of drawings the utility model.

As accompanying drawing 1, shown in 2: the utility model is by support 1, last carry-over pinch rolls 4, last carry-over pinch rolls range regulator 5, following carry-over pinch rolls 2, bearing block 7, bearing 11, rotating shaft 12, moving rotor 6, stationary knife 3, roll adjustment backstay 9, lock-screw 8 and roll adjustment limited block 10 constitute, last carry-over pinch rolls 4, following carry-over pinch rolls 2, stationary knife 3, bearing block 7 is assemblied on the support 1, fit on carry-over pinch rolls range regulator 5 on last carry-over pinch rolls 4, running in bearings 11 on bearing block 7, assembling rotating shaft 12 on bearing 11, the moving rotor 6 of assembling in rotating shaft 11, vertical direction at bearing block 7 is provided with roll adjustment backstay 9, lock-screw 8 and roll adjustment limited block 10, roll adjustment limited block 10 is linked together by screw 13 and support 1 assembling, roll adjustment backstay 9 is assemblied on roll adjustment limited block 10 and the support 1, roll adjustment backstay 9 is linked together by lock-screw 8 and 10 assemblings of roll adjustment limited block, and an end of roll adjustment backstay 9 places on the bearing block 7.

Shown in accompanying drawing 3,4: support 1 is made of upper bracket 1A and lower carriage 1C, on upper bracket 1A, be provided with and the screw hole 1D of lower carriage 1C assembling and the screwed hole 1F that connects with roll adjustment limited block 10, on upper bracket 1A, be provided with the groove 1E of assembling roll adjustment backstay 9, on lower carriage 1C, be provided with screwed hole, the screwed hole of rigging screw 13 and lower carriage 1C is spirally connected upper bracket 1A and lower carriage 1C is linked together in the screw hole 1D of upper bracket 1A, be provided with the hole 1B of assembled shaft bearing 7 on upper bracket 1A and lower carriage 1C, support 1 is by two supports, the 1 supporting use of symmetry.

Shown in accompanying drawing 5,6: the two ends of roll adjustment backstay 9 are cylindrical 9A, 9C, the roll adjustment backstay 9 wherein cylindrical 9C of an end cooperates with counterbore 7B on the bearing block 7, the middle part of roll adjustment backstay 9 is pancake 9D, the pancake 9D of roll adjustment backstay 9 cooperates with groove 1E on the support 1, be provided with screwed hole 9B at the middle part of roll adjustment backstay 9, screwed hole 9B cooperates with lock-screw 8.

Shown in accompanying drawing 7,8: bearing block 7 is the bearing block of eccentric orfice 7A, and bearing block 7 is provided with counterbore 7B, and the counterbore 7B on the bearing block and roll adjustment the backstay 9 wherein cylindrical 9C of an end cooperate.

Shown in accompanying drawing 9,10: roll adjustment limited block 10 is provided with rigging screw hole 10A, on roll adjustment limited block 10, be provided with the longitudinal fluting 10C of assembling roll adjustment backstay 9 and the transverse concave groove 10B of lock-screw 8, the longitudinal fluting 10C of roll adjustment backstay 9 cooperates with the pancake 9D of roll adjustment backstay 9, and transverse concave groove 10B cooperates with lock-screw 8.

More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limit practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.

Claims

1; a kind of cutting knife roll-setting gear of plastic grain cutting machine; comprise support (1); last carry-over pinch rolls (4); last carry-over pinch rolls range regulator (5); following carry-over pinch rolls (2); bearing block (7); bearing (11); rotating shaft (12); moving rotor (6); stationary knife (3); roll adjustment backstay (9); lock-screw (8) and roll adjustment limited block (10) constitute; last carry-over pinch rolls (4); following carry-over pinch rolls (2); stationary knife (3); bearing block (7) is assemblied on the support (1); go up fit on carry-over pinch rolls range regulator (5) at last carry-over pinch rolls (4); go up running in bearings (11) at bearing block (7); go up assembling rotating shaft (12) at bearing (11); go up the moving rotor (6) of assembling in rotating shaft (11); it is characterized in that: the vertical direction at bearing block (7) is provided with roll adjustment backstay (9); lock-screw (8) and roll adjustment limited block (10); roll adjustment limited block (10) is linked together by screw (13) and support (1) assembling; roll adjustment backstay (9) is assemblied on roll adjustment limited block (10) and the support (1); roll adjustment backstay (9) is linked together by lock-screw (8) and roll adjustment limited block (10) assembling, and an end of roll adjustment backstay (9) places on the bearing block (7).

2; the cutting knife roll-setting gear of plastic grain cutting machine according to claim 1; it is characterized in that: described support (1) is made of upper bracket (1A) and lower carriage (1C); on upper bracket (1A), be provided with and the screw hole (1D) of lower carriage (1C) assembling and the screwed hole (1F) that connects with roll adjustment limited block (10); on upper bracket (1A), be provided with the groove (1E) of assembling roll adjustment backstay (9); on lower carriage (1C), be provided with screwed hole; the screwed hole of rigging screw (13) and lower carriage (1C) is spirally connected upper bracket (1A) and lower carriage (1C) is linked together in the screw hole (1D) of upper bracket (1A); be provided with the hole (1B) of assembled shaft bearing (7) on upper bracket (1A) and lower carriage (1C), support (1) is by the supporting use of two supports (1) of symmetry.

3, the cutting knife roll-setting gear of plastic grain cutting machine according to claim 1; it is characterized in that: the two ends of described roll adjustment backstay (9) are cylindrical (9A), (9C); roll adjustment backstay (9) wherein cylindrical (9C) of an end cooperates with counterbore (7B) on the bearing block (7); the middle part of roll adjustment backstay (9) is pancake (9D); the pancake (9D) of roll adjustment backstay (9) cooperates with groove (1E) on the support (1); be provided with screwed hole (9B) at the middle part of roll adjustment backstay (9), screwed hole (9B) cooperates with lock-screw (8).

4, the cutting knife roll-setting gear of plastic grain cutting machine according to claim 1; it is characterized in that: described bearing block (7) is the bearing block of eccentric orfice (7A); bearing block (7) is provided with counterbore (7B), and the counterbore on the bearing block (7B) and roll adjustment backstay (9) wherein cylindrical (9C) of an end cooperate.

5, the cutting knife roll-setting gear of plastic grain cutting machine according to claim 1; it is characterized in that: described roll adjustment limited block (10) is provided with rigging screw hole (10A); on roll adjustment limited block (10), be provided with the longitudinal fluting (10C) of assembling roll adjustment backstay (9) and the transverse concave groove (10B) of lock-screw (8); the longitudinal fluting (10C) of roll adjustment backstay (9) cooperates with the pancake (9D) of roll adjustment backstay (9), and transverse concave groove (10B) cooperates with lock-screw (8).