阅读说明：本技术 一种锯片间距可调节的切割机构 (Cutting mechanism with adjustable saw bit interval ) 是由 熊江勇 庄丽丽 李重重 邱亚宇 程娟娟 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种锯片间距可调节的切割机构,包括转轴装置和弹簧调节装置,转轴装置包括至少两根长轴,长轴两端分别固定连接有左端固定块和右端固定块；弹簧调节装置包括设置在左端固定块和右端固定块之间的螺杆轴,螺杆轴包括螺纹旋向相反的左丝杆和右丝杆,左丝杆左端设有光轴段,光轴段贯穿至左端固定块的左端,且光轴段通过锁紧件和左端固定块相连接；左丝杆上螺纹连接有左螺母,右丝杆上螺纹连接有右螺母,左螺母、右螺母均和长轴滑动连接,且左螺母和右螺母之间的长轴上套接有弹簧；若干个刀盘,刀盘滑动连接在长轴上,并通过弹簧固定；转动螺杆轴,使左螺母和右螺母运动以改变刀盘之间的间距；刀盘间距均匀、调节方便。(The invention discloses a cutting mechanism with adjustable saw blade spacing, which comprises a rotating shaft device and a spring adjusting device, wherein the rotating shaft device comprises at least two long shafts, and the two ends of each long shaft are respectively and fixedly connected with a left end fixing block and a right end fixing block; the spring adjusting device comprises a screw shaft arranged between a left end fixing block and a right end fixing block, the screw shaft comprises a left screw rod and a right screw rod which are opposite in thread turning direction, the left end of the left screw rod is provided with an optical shaft section, the optical shaft section penetrates through the left end of the left end fixing block, and the optical shaft section is connected with the left end fixing block through a locking piece; the left screw rod is in threaded connection with a left nut, the right screw rod is in threaded connection with a right nut, the left nut and the right nut are both in sliding connection with the long shaft, and the long shaft between the left nut and the right nut is sleeved with a spring; the cutter heads are connected to the long shaft in a sliding mode and are fixed through springs; rotating the screw shaft to move the left nut and the right nut to change the distance between the cutter heads; the distance between the cutter heads is uniform and the adjustment is convenient.)

1. A cutting mechanism with adjustable saw blade spacing, comprising:

the rotating shaft device (10) comprises at least two long shafts (11), and two ends of each long shaft (11) are respectively and fixedly connected with a left end fixing block (12) and a right end fixing block (13);

the spring adjusting device (40) comprises a screw shaft (41) arranged between a left end fixing block (12) and a right end fixing block (13), the screw shaft (41) comprises a left screw rod (42) and a right screw rod (43) with opposite screw threads, the left end of the left screw rod (42) is provided with a photoshaft section (44), the photoshaft section (44) penetrates through the left end of the left end fixing block (12), and the photoshaft section (44) is connected with the left end fixing block (12) through a locking piece;

a left nut (46) is connected to the left screw rod (42) in a threaded manner, a right nut (47) is connected to the right screw rod (43) in a threaded manner, the left nut (46) and the right nut (47) are both connected with the long shaft (11) in a sliding manner, and a spring (30) is sleeved on the long shaft (11) between the left nut (46) and the right nut (47);

the cutter heads (20) are connected to the long shaft (11) in a sliding mode and are fixed through the springs (30);

and rotating the screw shaft (41) to move the left nut (46) and the right nut (47) so as to change the distance between the cutter discs (20).

2. The saw blade spacing adjustable cutting mechanism according to claim 1, wherein the number of the long shafts (11) is three, and the three long shafts (11) are uniformly distributed on a circumference with the screw shaft (41) as an axis;

the center of blade disc (20) is equipped with centre bore (21), the periphery equipartition of centre bore (21) have three with circular arc groove (22) that centre bore (21) are linked together, blade disc (20) through circular arc groove (22) with major axis (11) sliding connection.

3. The blade spacing adjustable cutting mechanism according to claim 1, characterized in that the locking member is a compression screw (16), the compression screw (16) is in threaded connection with the left end fixing block (12), and the end of the compression screw (16) is connected to the central through hole (15) of the left end fixing block (12).

4. Saw blade pitch adjustable cutting mechanism according to claim 1, characterized in that the left end connection of the optical shaft section (44) has a four-way shaft end (45).

5. The saw blade spacing adjustable cutting mechanism according to claim 1, characterized in that there is a connecting stub shaft segment between the left lead screw (42) and the right lead screw (43).

6. The saw blade pitch adjustable cutting mechanism according to claim 1, further comprising a bearing housing (50), wherein a smooth shaft section of a left section of the screw shaft (41) is connected with the bearing housing (50); the right end fixing block (13) is connected with the bearing seat (50) through a right journal (14) fixed at the right end of the right end fixing block;

the right journal (14) is connected to a drive (60).

7. Saw blade spacing adjustable cutting mechanism according to claim 6, characterized in that the drive means (60) comprises a drive motor (61) and a pulley (64) mounted on the right journal (14), the output of the drive motor (61) is provided with a small pulley (62), the small pulley (62) is connected with the pulley (64) by a belt (63).

Technical Field

The invention relates to the technical field of cutting equipment, in particular to a cutting mechanism with an adjustable saw blade interval.

Background

In more processing fields such as medicinal materials, for example carry out deep-processing or pharmacy to medicinal materials such as root of kudzu vine, isatis root piece, licorice piece, all need carry out the section processing to these medicinal materials, current section equipment has a lot, divides artifical section equipment and full-automatic section equipment, still has the problem that can not conveniently adjust medicinal material cutting thickness in full-automatic section equipment.

The existing slicing device mostly adopts a plurality of stacked circular rotating cutter heads to slice, when the thickness of materials needs to be changed, the whole cutter head frame needs to be dismantled, and gaskets between the cutter heads need to be replaced, so that the efficiency is low. Therefore, how to design a cutting device with simple structure, convenient operation and adjustment of the distance and strong universality is a problem to be solved.

Disclosure of Invention

The invention aims to provide a cutting mechanism with an adjustable saw blade interval, which aims to solve the problem that the cutter head interval of the cutting equipment is inconvenient to adjust in the prior art.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

a saw blade spacing adjustable cutting mechanism comprising:

the rotating shaft device comprises at least two long shafts, and both ends of each long shaft are respectively and fixedly connected with a left end fixing block and a right end fixing block;

the spring adjusting device comprises a screw shaft arranged between a left end fixing block and a right end fixing block, the screw shaft comprises a left screw rod and a right screw rod which are opposite in thread turning direction, the left end of the left screw rod is provided with an optical shaft section, the optical shaft section penetrates through the left end of the left end fixing block, and the optical shaft section is connected with the left end fixing block through a locking piece;

the left screw rod is in threaded connection with a left nut, the right screw rod is in threaded connection with a right nut, the left nut and the right nut are both in sliding connection with the long shaft, and a spring is sleeved on the long shaft between the left nut and the right nut;

the cutter heads are connected to the long shaft in a sliding mode and are fixed through the springs;

and rotating the screw shaft to enable the left nut and the right nut to move so as to change the distance between the cutter heads.

Furthermore, the number of the long shafts is three, and the three long shafts are uniformly distributed on the circumference with the screw shaft as the axis;

the center of the cutter head is provided with a center hole, three arc grooves communicated with the center hole are uniformly distributed on the periphery of the center hole, and the cutter head is in sliding connection with the long shaft through the arc grooves.

Furthermore, the locking piece is a compression screw, the compression screw is in threaded connection with the left end fixing block, and the tail end of the compression screw is connected into the central through hole of the left end fixing block.

Further, the left end connection of the optical axis section has four-way axis ends.

Further, a connecting optical axis section is arranged between the left screw rod and the right screw rod.

The screw shaft further comprises a bearing seat, and a smooth shaft section of the left section of the screw shaft is connected with the bearing seat; the right end fixing block is connected with the bearing seat through a right journal fixed at the right end of the right end fixing block;

the right journal is connected with a driving device.

Furthermore, the driving device comprises a driving motor and a belt wheel arranged on the right shaft neck, wherein a small belt wheel is arranged at the output end of the driving motor and is connected with the belt wheel through a belt.

According to the technical scheme, the embodiment of the invention at least has the following effects:

1. the distance between the cutter heads is adjusted through the springs on the long shaft, so that the distance between the cutter heads is uniform and convenient to adjust; the screw shaft is designed to have two sections of screw shafts with opposite rotating directions, the screw shaft is in threaded connection with the fixed blocks of the compression springs, and the two fixed blocks can be moved close to or away from each other in the same direction by rotating the screw shaft, so that the distance between the springs is more convenient to adjust, and the convenience in adjusting the distance between the cutter heads is ensured;

2. the cutter heads are connected on the long shafts in a sliding mode, so that the stability of the connection of the cutter heads is guaranteed, the position of the cutter heads can be prevented from being changed by limiting through the springs, the distance between the cutter heads is changed through the expansion and contraction of the springs, and the adjustment is convenient;

3. the screw shaft with two sections of opposite rotating directions designed by the application can enable the cutter head group to be symmetrically distributed in the shaft part all the time;

4. by arranging the compression screw on the left end fixing block, when the screw shaft needs to be rotated to adjust the distance, the compression screw is rotated to ensure that the tail end of the compression screw is not contacted with the optical axis section of the screw shaft, and when the distance does not need to be adjusted, the compression screw is rotated to ensure that the tail end of the compression screw compresses the optical axis section of the screw shaft, so that the fixing effect of the screw shaft and the left end fixing block is ensured;

5. the left end of the optical axis section is connected with the shaft end with four aspects, so that the screw shaft can be conveniently rotated, and the distance is more conveniently adjusted;

6. the connecting optical axis section is arranged between the left screw rod and the right screw rod, the degree that the cutterheads connected to the left screw rod and the right screw rod are drawn close to the middle can be limited, and the damage of the cutterheads caused by the fact that the cutterheads between the two screw rods are attached together is prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of a cutting mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a rotating shaft device and a spring adjusting device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a spindle device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a spring adjustment apparatus according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a cutter head in the embodiment of the invention.

Wherein: 10. a rotating shaft device; 20. a cutter head; 30. a spring; 40. a spring adjustment device; 50. a bearing seat; 60. a drive device; 11. a long axis; 12. a left end fixing block; 13. a right end fixing block; 14. a right journal; 15. a central through hole; 16. a compression screw; 64. a pulley; 21. a central bore; 22. an arc groove; 41. a screw shaft; 42. a left lead screw; 43. a right screw rod; 44. a light axis segment; 45. a shaft end; 46. a left nut; 47. a right nut; 48. a guide hole; 49. a shaft sleeve; 61. a drive motor; 62. a small belt pulley; 63. a belt; 64. a pulley.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 5, a cutting mechanism with an adjustable saw blade spacing comprises a rotating shaft device 10 and a spring adjusting device 40, wherein the rotating shaft device 10 comprises at least two long shafts 11, and two ends of each long shaft 11 are fixedly connected with a left end fixing block 12 and a right end fixing block 13 respectively; the spring adjusting device 40 comprises a screw shaft 41 arranged between the left end fixing block 12 and the right end fixing block 13, the screw shaft 41 comprises a left screw rod 42 and a right screw rod 43 with opposite screw thread turning directions, the left end of the left screw rod 42 is provided with an optical shaft section 44, the optical shaft section 44 penetrates through the left end of the left end fixing block 12, and the optical shaft section 44 is connected with the left end fixing block 12 through a locking piece; the left screw rod 42 is in threaded connection with a left nut 46, the right screw rod 43 is in threaded connection with a right nut 47, the left nut 46 and the right nut 47 are both in sliding connection with the long shaft 11, and the long shaft 11 between the left nut 46 and the right nut 47 is sleeved with a spring 30; the cutter heads 20 are connected to the long shaft 11 in a sliding mode and are fixed through springs 30; the screw shaft 41 is rotated to move the left nut 46 and the right nut 47 to change the interval between the cutter discs 20.

The distance between the cutter heads is adjusted through the springs on the long shaft, so that the distance between the cutter heads is uniform and convenient to adjust; through the screw shaft with two sections of opposite rotating directions, the screw shaft is in threaded connection with the fixed blocks of the compression springs, and the two fixed blocks can be close to or away from each other in the same direction by rotating the screw shaft, so that the distance between the springs is more convenient to adjust, and the convenience in adjusting the distance between the cutter heads is ensured.

The device comprises a rotating shaft device 10, a plurality of cutterheads 20, three identical springs 30, a spring adjusting device 40, bearing blocks 50 at two ends, a driving device 60 and the like.

The rotating shaft device 10 (see fig. 3) is formed by three cylindrical long shafts 11 with equal length and arranged in parallel in a triangular layout, one end (the left end in the figure) is fixedly installed through a left end fixing block 12, and the other end is fixedly installed through a right end fixing block 13.

In other embodiments, the number of long shafts 11 may be two or four.

The right end fixing block 13 is also fixedly provided with a right shaft neck 14 at the outer side, and the right shaft neck 14 is rotatably installed with a right bearing seat 50.

A belt wheel 64 is also fixedly arranged at the outer end of the right journal 14, and a driving motor 61 of the driving device 60 drives the belt wheel 64 to rotate through a small belt wheel 62 and a belt 63 at the end of the motor shaft, so as to drive the rotating shaft device 10 to rotate at a high speed.

The center of the left end fixing block 12 is also provided with a central through hole 15, and an optical axis section 44 at the left end of a screw shaft 41 of the spring adjusting device 40 is in precise rotating fit with the central through hole 15. A compression screw 16 is further provided in the radial direction of the left end fixing block 12 for compression-locking the screw shaft 41 with the left end fixing block 12.

The retaining member is compression screw 16 in this embodiment, and in other embodiments, the compression member can adopt other devices capable of locking screw shaft 41, but adopts compression screw's mode in this embodiment, and not only simple structure can also guarantee the locking effect, has convenient operation, the effectual advantage of locking.

The spring adjusting device 40 (see fig. 4) is mainly composed of a screw shaft 41, a left nut 46 and a right nut 47. The screw shaft 41 is disposed at the center of the rotating shaft device 10, and the left nut 46 and the right nut 47 are respectively slidably sleeved on the cylindrical long shaft 11 of the rotating shaft device 10.

The screw shaft 41 is provided with a left screw rod 42 and a right screw rod 43, and the rotating directions of the left screw rod 42 and the right screw rod 43 are opposite. A left nut 46 is provided on the left lead screw 42 and a right nut 47 is provided on the right lead screw 43. Three guide holes 48 are respectively and uniformly distributed on the left nut 46 and the right nut 47, and the three guide holes 48 are respectively in sliding fit with the cylindrical long shaft 11 of the rotating shaft device 10.

The optical axis section 44 at the left end of the screw shaft 41 passes through the central through hole 15 of the left end fixing block 12, and a shaft sleeve 49 is provided on the optical axis section 44 at the outer side of the left end fixing block 12. The left end of the screw shaft 41 is rotatably mounted with a left bearing housing 50 through a bushing 49. (bushing 49 for axial stop)

The leftmost end of the screw shaft 41, namely the shaft end 45, is provided with four aspects to facilitate the external force to rotate the screw shaft 41.

Three identical springs 30 are respectively sleeved on the three cylindrical long shafts 11 in the left nut 46 and the right nut 47. The three springs 30 may be compression springs or extension springs. In any of the springs, the end portions of the springs need to be fixed to the left and right nuts 46 and 47, respectively, and the direction of the springs itself needs to be aligned with the rotation center of the rotating shaft device 10.

A cutter head 20 (see fig. 5), and a center hole 21 is formed in the center of the cutter head 20. Three arc grooves 22 are uniformly distributed on the periphery of the central hole 21. The three arc grooves 22 are respectively in sliding fit with the three cylindrical long shafts 11 of the rotating shaft device 10.

Each cutter head 20 is slidably mounted with the three cylindrical long shafts 11 of the rotating shaft device 10 through an arc groove 22, the distance between each cutter head 20 is equal, and spring wires with equal turns are arranged between each adjacent cutter head 20.

The distance adjustment of this application is specifically as follows: the compression screw 16 on the left end fixing block is loosened, the rotating shaft device 10 is fixed and does not rotate, meanwhile, the screw shaft is rotated by a wrench, so that the left nut 46 and the right nut 47 synchronously expand outwards or compress inwards, the three identical springs 30 synchronously extend or shorten, the screw pitches of the three identical springs are also uniformly changed, the distance between the cutter heads 20 is changed in the same way, and the distance is increased or reduced. After the distance meets the requirement, the compression screw 16 is screwed down to compress and lock the screw shaft 41 and the left end fixing block 12.

The application has the following advantages: the distance between the blade discs of the blades is adjusted by controlling the lengths of the three identical springs, the distance between the blades is uniform, and the adjustment is convenient. The screw shaft 41 with double rotation directions is adopted for adjusting the distance, and the cutter head groups are always symmetrically distributed around the middle part of the rotating shaft.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.