CN112549231B

CN112549231B - Rotary knife cylinder of wood shaving machine and wood shaving machine

Info

Publication number: CN112549231B
Application number: CN202011542342.8A
Authority: CN
Inventors: 朱占雄; 肖光中; 周中林
Original assignee: Wuxi County Yuxing Building Materials Co ltd
Current assignee: Wuxi County Yuxing Building Materials Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-03-22
Anticipated expiration: 2040-12-24
Also published as: CN112549231A

Abstract

The invention provides a rotary knife cylinder of a wood shaving machine, which comprises side plates on two sides, a cylinder body connected with the side plates on the two sides, a rotary table, a knife and a connecting block for mounting the knife, wherein slide rods are arranged at two ends of the connecting block, a first slide groove matched with the slide rods is arranged on one side of the side plates facing the connecting block, a rotary rod is further arranged at one end of the slide rod, which is far away from the connecting block, an arc-shaped groove matched with the rotary rod is arranged on the rotary table, and the rotary table is rotated to drive the connecting block to move in the radius direction of the side plates, so that the gap between the connecting blocks is increased, the cutting gap is increased, and the thickness of cut shavings is controlled. Meanwhile, the plurality of connecting blocks and the cutters on the connecting blocks can be synchronously adjusted, so that the adjusting positions of the connecting blocks are the same and no difference occurs, and the quick adjustment of the wood cutting clearance is effectively realized.

Description

Rotary knife cylinder of wood shaving machine and wood shaving machine

Technical Field

The invention relates to the technical field of wood processing equipment, in particular to a rotary knife cylinder of a wood shaving machine and the wood shaving machine.

Background

The rotary knife cylinder of wood shaving machine is an important equipment in wood processing, also called as wood shaving crusher and wood chip shaving machine, and is mainly used for cutting wood block or wood strip into thin sheet in batch for subsequent reprocessing. Therefore, the quality of the slicing effect of the wood shaving machine directly influences the quality of the subsequent pressed plates. The rotary knife cylinder of the existing wood shaving machine mainly comprises a horizontal reciprocating cutting mode and a rotary cutting mode, and the rotary cutting mode is obviously higher in cutting efficiency as seen from analysis of a cutting working principle. The rotary cutting mode generally preferably adopts a rotary cutter head or a rotary cutter barrel as a movement. The cutter head structure consists of a rotary cutter head driven by a driving mechanism and a plurality of cutters fixedly arranged on the barrel, wood is fed from the side direction of the cutter head, and installation gaps among the cutters form a cutting gap. The knife cylinder structure mainly comprises a rotary cylinder body driven by a driving mechanism and a plurality of knives fixedly arranged on the cylinder body, wherein the knife cylinder beside the knives is provided with through holes through which shavings pass, wood is fed from the radial direction or the inner cavity of the knife cylinder, and the knives and the through holes form a cutting gap. However, the above technical solutions exist: the multiple cutters are respectively fixed on the cutter barrel or the cutter disc at a certain angle, the thickness of the cut wood is determined by the cutting clearance, and when the wood needs to be cut into shavings with different thicknesses, the mounting positions of the cutters need to be adjusted one by one, so that too much time is wasted, and the labor cost is greatly increased.

Disclosure of Invention

In view of the above, the present invention provides a rotary knife cylinder of a wood shaving machine, which can be adjusted quickly to cut shavings of different thicknesses.

The invention solves the technical problems by the following technical means: the invention provides a rotary knife cylinder of a wood shaving machine, which comprises side plates at two sides, a cylinder body connected with the side plates at two sides, a rotary table, a knife and a connecting block for mounting the knife, wherein the rotary table is axially fixed and circumferentially arranged on the side plates, slide bars are arranged at two ends of the connecting block, a first slide groove matched with the slide bars is arranged at one side of the side plates facing the connecting block, the first slide groove is arranged along the radius direction of the side plates, the slide bars can slide in the first slide groove along the length direction of the first slide groove, a rotary rod is also arranged at one end of the slide bars away from the connecting block, an arc-shaped groove matched with the rotary rod is arranged on the rotary table, the rotary rod can slide in the arc-shaped groove along an arc surface, a plurality of connecting blocks are arranged on the side plates in a circumferential array manner, the knife is respectively arranged on each connecting block, and the arc-shaped grooves and the rotary rods are arranged in a one-to-one correspondence manner, the rotary knife cylinder is characterized in that one end of the rotary knife cylinder is provided with a driving mechanism for driving the rotary knife cylinder to rotate, the other end of the rotary knife cylinder is provided with a feed inlet for feeding, a through hole is formed in the center of the side plate, a rotary column is arranged on the rotary table through a bearing, an external thread is arranged on the rotary column, a locking nut matched with the external thread is further arranged on the rotary column, a driving wheel connected with the driving mechanism is arranged on the side plate at one end of the knife cylinder, a second through hole is formed in the center of the driving wheel, and the center of the rotary column on the rotary table far away from one end of the driving wheel is provided with the feed inlet.

Further, the cutter is obliquely arranged on one side of the connecting block, guide grooves are respectively arranged on two sides of the connecting block, and a cutting gap is formed between the cutter and the guide grooves.

Furthermore, a pointer is arranged on the rotary column, a graduated scale corresponding to the pointer is arranged on the side plate, and the position of the cutter is controlled by reading the rotation angle of the rotary disc through the graduated scale.

Furthermore, a circumferential rotating track is arranged on the outer wall of the cylinder body at one end, away from the driving wheel, of the rotating knife cylinder, and the rotating track is matched with a guide wheel on the rack.

Further, be provided with the relief hole on the barrel, the relief hole sets up just to the clearance position of adjacent connecting block handing-over, rotates the carousel back when the connecting block opens, the outer wall of connecting block and the inner wall laminating of barrel rotate the carousel back when the connecting block withdraws, the polylith the tube-shape is constituteed to the connecting block.

The invention also provides a wood shaving machine which comprises the rotary knife cylinder.

According to the technical scheme, the invention has the beneficial effects that: the invention provides a rotary knife cylinder of a wood shaving machine, which comprises side plates at two sides, a cylinder body connected with the side plates at two sides, a rotary table, a knife and a connecting block for mounting the knife, wherein the rotary table is axially fixed and circumferentially arranged on the side plates, slide bars are arranged at two ends of the connecting block, a first slide groove matched with the slide bars is arranged at one side of the side plates facing the connecting block, the first slide groove is arranged along the radius direction of the side plates, the slide bars can slide in the first slide groove along the length direction of the first slide groove, a rotary rod is also arranged at one end of the slide bars away from the connecting block, an arc-shaped groove matched with the rotary rod is arranged on the rotary table, the rotary rod can slide in the arc-shaped groove along an arc surface, a plurality of connecting blocks are arranged on the side plates in a circumferential array manner, the knife is respectively arranged on each connecting block, and the arc-shaped grooves and the rotary rods are arranged in a one-to-one correspondence manner, one end of the rotary knife cylinder is provided with a driving mechanism for driving the rotary knife cylinder to rotate, and the other end of the rotary knife cylinder is provided with a feeding hole for feeding. The connecting blocks are driven to move in the radius direction of the side plates by rotating the rotary table, so that the gap between the connecting blocks is increased, the cutting gap is increased, and the thickness of cut wood shavings is controlled. Meanwhile, the plurality of connecting blocks and the cutters on the connecting blocks can be synchronously adjusted, so that the adjusting positions are the same and no difference occurs. Thereby effectively realizing the quick adjustment of the wood cutting clearance, shortening the adjustment operation time, greatly reducing the labor cost and meeting the requirement of the quick switching function for processing wood shavings with different thicknesses.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of a rotary knife cylinder of a wood shaving machine according to the present invention;

FIG. 2 is a cross-sectional view of a rotary knife cylinder of the wood shaving machine provided by the present invention;

FIG. 3 is a cross-sectional view of the rotary table position of the rotary knife cylinder of the wood shaving machine provided by the present invention;

FIG. 4 is a schematic view of a side plate of a rotary knife cylinder of the wood shaving machine provided by the present invention;

fig. 5 is a schematic view of a rotary table of a rotary knife cylinder of the wood shaving machine according to the present invention.

Reference numerals:

1-side plate; 2-a cylinder body; 3, rotating the disc; 4, connecting blocks; 5-cutting tools; 6-rotating the orbit; 7-a transmission wheel; 11-a first runner; 12-a through hole; 13-a second chute; 21-a discharge hole; 31-an arc-shaped groove; 32-rotating columns; 33-a feed inlet; 41-a slide block; 42-a slide bar; 43-rotating rod; 44-guide chute.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1 to 5, the present invention provides a wood shaving machine rotary knife cylinder, including two side plates 1, a cylinder 2 connecting the two side plates 1, a rotary table 3, a knife 5 and a connecting block 4 for mounting the knife 5, wherein the rotary table 3 is axially fixed and circumferentially rotated on the side plates 1, two ends of the connecting block 4 are provided with slide bars 42, two ends of the connecting block 4 are further provided with slide blocks 41, the slide bars 42 are vertically arranged on the slide blocks 41, one side of the side plates 1 facing the connecting block 4 is provided with first slide grooves 11 matched with the slide bars 42, the first slide grooves 11 are arranged along the radius direction of the side plates 1, the side plates 1 are further provided with second slide grooves 13 matched with the slide blocks 41, so that the connecting block 4 moves in the second slide grooves 13 through the slide blocks 41 to prevent the connecting block 4 from shaking, preferably, the second slide grooves 13 can be set as dovetail grooves, make in the slider 41 embedding dovetail, second spout 13 and first spout 11 intercommunication, slide bar 42 can slide along 11 length direction in first spout 11, slide bar 42 keeps away from 4 one ends of connecting block and still is provided with bull stick 43, be provided with on the carousel 3 with bull stick 43 assorted arc wall 31, bull stick 43 can slide along the cambered surface in arc wall 31, connecting block 4 is provided with the polylith, and 4 circumference arrays of polylith connecting block set up on curb plate 1, are provided with cutter 5 on every connecting block respectively, arc wall and bull stick 43 one-to-one set up, rotary knife section of thick bamboo one end has actuating mechanism drive to rotate the other end and is provided with the feed inlet 33 that is used for the feeding. The rotary table 3 is rotated to drive the connecting blocks 4 to move in the radius direction of the side plate 1, so that the gaps among the connecting blocks 4 are increased, the cutting gaps are increased, and the thickness of cut wood shavings is controlled. Meanwhile, the plurality of connecting blocks 4 and the cutters 5 on the connecting blocks 4 can be synchronously adjusted, so that the adjusting positions are the same and no difference occurs. Thereby effectively realizing the quick adjustment of the wood cutting clearance, shortening the adjustment operation time, greatly reducing the labor cost and meeting the requirement of the quick switching function for processing wood shavings with different thicknesses. The rough adjustment or the fine adjustment is performed according to the number of the set connection blocks 4, and the adjustment is made finer as the number of the set connection blocks 4 is larger. Preferably the number of connecting blocks 4 is set to 16. Through setting up carousel 3 and set up the arc wall 31 of a plurality of circumference arrays on carousel 3 for all connecting blocks 4 can both synchronous movement the same distance when rotating carousel 3, thereby control the position of all cutters 5 of accurate control, realize once accomplishing the angular position who adjusts all cutter 5 subassemblies in step, thereby effectively realized the quick adjustment in timber cutting clearance, greatly reduced the human cost, satisfied the quick switch function needs of processing out different thickness wood shavings.

As a further improvement of the above technical solution, the cutter 5 is obliquely arranged on one side of the connecting block 4, one end of the cutting edge of the cutter 5 is obliquely arranged toward the axis direction of the cylinder 2, the oblique angle is 45-60 degrees, wood is shaved by the rotation of the rotary cutter cylinder, the two sides of the connecting block 4 are respectively provided with the guide grooves 44, and a cutting gap is formed between the cutter 5 and the guide grooves 44. The guide chute 44 is provided for discharging cut shavings while controlling the thickness of the cut shavings according to the cutting gap between the cutter 5 and the guide chute 44, and the link blocks 4 are moved toward a direction away from the axis when the rotary table 3 is rotated, thereby increasing the gap between the adjacent link blocks 4, increasing the cutting gap, and increasing the cutting thickness of the shavings.

As a further improvement to the above technical solution, the center of the side plate 1 is provided with a through hole 12, the rotary plate 3 is provided with a rotary column 32, the rotary column 32 is arranged on the through hole 12 through a bearing, the rotary column 32 passes through the through hole 12, the rotary plate 3 is arranged on the side plate 1 through the rotary column 32 and the bearing in the axial direction, the rotary column 32 is provided with an external thread, the rotary column 32 is further provided with a lock nut matched with the external thread, the lock nut is screwed up and then abutted against the side plate 1 so as to fix the rotary plate 3 for rotation, preferably, the rotary plate 3 and the lock nut are provided with corresponding positioning holes, and the lock nut is positioned through the positioning pin after being screwed up, so that the lock nut is prevented from loosening. A driving wheel 7 connected with a driving mechanism is arranged on the side plate 1 at one end of the knife cylinder, a second through hole 12 is arranged at the center of the driving wheel 7, and a feeding hole 33 is arranged at the center of a rotary column 32 on the rotary table 3 far away from one end of the driving wheel 7.

As a further improvement to the above technical solution, a pointer is arranged on the rotary column 32, a scale corresponding to the pointer is arranged on the side plate 1, and the scale reads the rotation angle of the rotary table 3 to control the position of the cutter 5. The size of the cutting clearance is controlled by controlling the rotation angle of the rotary disc 3, and the rotary disc 3 is rotated by a corresponding angle according to the required cutting thickness. Making the operation more convenient and the adjusted dimensions precise.

As a further improvement of the technical scheme, a circumferential rotating track 6 is arranged on the outer wall of the barrel body 2 at one end, far away from the driving wheel 7, of the rotating knife cylinder, and the rotating track 6 is matched with a guide wheel on the rack. Set up the rotatory track 6 of circumference on the outer wall of barrel 2 to set up the leading wheel in the frame, with rotatory sword section of thick bamboo restriction in the leading wheel internal rotation, prevent rocking of rotatory sword section of thick bamboo.

As the further improvement to above-mentioned technical scheme, be provided with relief hole 21 on the barrel 2, relief hole 21 sets up the clearance position just to the handing-over of adjacent connecting block 4, rotates the carousel 3 back when connecting block 4 opens, the outer wall of connecting block 4 and the inner wall laminating of barrel 2 rotate the carousel 3 back when connecting block 4 withdraws, the polylith the tube-shape is constituteed to connecting block 4. The size of the discharge hole is larger than the size of the guide chute when the connecting blocks are completely opened, shavings cut by the cutter 5 are discharged onto the cylinder body 2 through the guide chute 44 and are discharged into the hood through the discharge hole 21 on the cylinder body 2, and the discharge hole 21 is arranged at a clearance position just opposite to the connection of the adjacent connecting blocks 4 to prevent the discharge hole 21 from being blocked after the connecting blocks 4 are extended. The thickness of the shavings cut is thinnest at the minimum cutting clearance when the connecting block 4 is fully retracted; when the connecting block 4 is completely extended, the outer wall of the connecting block 4 is attached to the inner wall of the cylinder 2, the cutting clearance is largest, the thickness of the cut wood shavings is thick, and the cut wood shavings are directly discharged into the hood through the discharge hole 21 and are discharged through the discharge member at the lower end of the hood for collection.

The invention also provides a wood shaving machine, and the rotary knife cylinder is arranged on the wood shaving machine.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a rotatory sword section of thick bamboo of timber wood shaving machine which characterized in that: comprises side plates (1) at two sides, a barrel body (2) connecting the side plates (1) at two sides, a rotary table (3), cutters (5) and a connecting block (4) used for installing the cutters (5), wherein the rotary table (3) is axially fixed and circumferentially rotated on the side plates (1), sliding rods (42) are arranged at two ends of the connecting block (4), a first sliding groove (11) matched with the sliding rods (42) is arranged at one side of the side plates (1) facing the connecting block (4), the first sliding groove (11) is arranged along the radius direction of the side plates (1), the sliding rods (42) can slide along the length direction of the first sliding groove (11) in the first sliding groove (11), a rotating rod (43) is further arranged at one end of the sliding rod (42) far away from the connecting block (4), an arc-shaped groove (31) matched with the rotating rod (43) is arranged on the rotary table (3), and the rotating rod (43) can slide along the arc-shaped surface in the arc-shaped groove (31), the utility model discloses a rotary cutting tool, including connecting block (4), polylith connecting block (4), rotary cutter barrel, feed inlet (33), rotary cutter barrel and rotary cutter barrel, wherein the connecting block (4) is provided with a plurality of blocks, the circumference array of polylith connecting block (4) is arranged on curb plate (1), the arc wall sets up with bull stick (43) one-to-one correspondence, there is actuating mechanism drive rotation rotary cutter barrel one end, the other end is provided with feed inlet (33) that is used for feeding, curb plate (1) center is provided with through-hole (32), rotary cutter barrel one end is provided with drive wheel (7) that is connected with actuating mechanism on curb plate (1), the center of drive wheel (7) is provided with second through-hole (12), the center of rotary cutter barrel (32) is provided with feed inlet (32) 33).

2. The wood shaving machine rotary knife cartridge of claim 1, wherein: the cutting tool (5) is obliquely arranged on one side of the connecting block (4), guide grooves (44) are respectively arranged on two sides of the connecting block (4), and a cutting gap is formed between the cutting tool (5) and the guide grooves (44).

3. The wood shaving machine rotary knife cartridge of claim 2, wherein: the rotary column (32) is provided with a pointer, the side plate (1) is provided with a graduated scale corresponding to the pointer, and the graduated scale is used for reading the rotation angle of the rotary disc (3) so as to control the position of the cutter (5).

4. The wood shaving machine rotary knife cartridge of claim 3, wherein: the outer wall of the barrel body (2) at one end, far away from the driving wheel (7), of the rotary knife cylinder is provided with a circumferential rotary track (6), and the rotary track (6) is matched with a guide wheel on the rack.

5. The wood shaving machine rotary knife cartridge of claim 4, wherein: be provided with relief hole (21) on barrel (2), relief hole (21) set up just to the clearance position of adjacent connecting block (4) handing-over, rotate carousel (3) back when connecting block (4) open, the outer wall of connecting block (4) and the inner wall laminating of barrel (2) rotate carousel (3) back when connecting block (4) are withdrawed, the polylith the tube-shape is constituteed in connecting block (4).

6. A wood shaving machine comprising the rotary knife cylinder of the wood shaving machine according to any one of claims 1 to 5.