CN108972807B

CN108972807B - Efficient bidirectional rotary-cut assembly line

Info

Publication number: CN108972807B
Application number: CN201810547607.XA
Authority: CN
Inventors: 黄泽辉
Original assignee: Zhangzhou Jionghui Machinery Co ltd
Current assignee: Zhangzhou Jionghui Machinery Co ltd
Priority date: 2018-05-17
Filing date: 2018-05-17
Publication date: 2020-12-15
Anticipated expiration: 2038-05-17
Also published as: CN108972807A; CN108748566A; CN108789735B; CN108748566B; CN108789735A; CN108724404A; CN108724404B

Abstract

The invention provides an efficient bidirectional rotary cutting assembly line, wherein during rotary cutting, a first advancing and retreating driving device and a second advancing and retreating driving device are matched to drive a first rotary cutter and a second rotary cutter to simultaneously carry out rotary cutting on a log, so that the rotary cutting efficiency can be greatly improved, meanwhile, a contact point of the first rotary cutter and the log and a contact point of the second rotary cutter and the log are arranged into a central symmetry form taking the axis of the log as the center, the log can be subjected to balanced rotary cutter pressure in the rotary cutting process, most of generated vibration and the like can be counteracted, further, the rotary cutting error can be reduced, the rotary cutting precision can be obviously improved, the thickness of wood chips is uniform, cutting edges do not exist, and the quality is obviously improved.

Description

Efficient bidirectional rotary-cut assembly line

The patent application of the invention is a divisional application of Chinese patent application No. 201810473369.2, the application No. of the original application is 201810473369.2, the application date is 2018, 05 and 17, and the name of the invention is a high-efficiency balanced rotary cutter for bidirectional rotary cutting.

Technical Field

The invention relates to the field of machinery, in particular to a high-efficiency bidirectional rotary cutting assembly line.

Background

The existing high-precision rotary cutter is generally large in size and complex in structure, round wood positioning is needed before machine mounting, and if the round wood positioning is not accurate, an intermittent veneer strip or a narrow veneer can be screwed out when rotary cutting is started. The more broken veneers or narrow veneers, the more leftover veneers with good lost material are, which is not beneficial to the continuity of production.

The prior art discloses the application numbers as follows: 201621000309.1A high-precision wood processing rotary cutter comprises a rear side plate, a frame, a cylinder, a first inclined plate, a support rod, a base station, a first sliding sleeve, a first movable rod, a roller, a first spring, a button, a support roller and the like; the rear side board front side bottom is equipped with the frame, the frame top is equipped with first swash plate from a left side to the right side in proper order, branch and base station, the bottom and the frame top of first swash plate are articulated to be connected, the slope of left side wall lower part is equipped with the cylinder in the frame, the bottom of cylinder is articulated with the left side wall in the frame to be connected, but this prior art's rotary cutter is one-way rotary-cut, the location is not stable enough, the rotary-cut in-process rotates inhomogeneously, rotary-cut vibration range is big, the rotary-cut error appears easily, reduce the rotary-cut precision, the bark thickness that leads to the rotary-cut out is inhomogeneous and the cutting arris appears, and then the wood chip quality that leads to the rotary-cut is not good, especially can.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide an efficient bidirectional rotary cutting assembly line which is more balanced in positioning and rotation, reduces rotary cutting vibration, reduces rotary cutting errors, obviously improves rotary cutting precision, is uniform in wood chip thickness and free of cutting edges, obviously improves quality and is high in practicability.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high-efficiency bidirectional rotary cutting assembly line comprises a rotary cutting part, a feeding part for supplying logs to the rotary cutting part, and a conveying part for conveying logs to the feeding part; the rotary cutting part comprises a positioning rotating mechanism for positioning and rotationally driving the log and a rotary cutting mechanism for rotary cutting the log; the rotary cutting mechanism comprises a first rotary cutting mechanism positioned on one side of the log and a second rotary cutting mechanism positioned on the other side of the log;

the first rotary cutting mechanism comprises a first rotary cutting device, a first early-stage conveying device, a first cutting platform, a first flattening device, a first cutting device, a first later-stage conveying device and a first arraying device, wherein the first early-stage conveying device is positioned at the downstream of the first rotary cutting device and used for conveying the wood chips, the first cutting platform is positioned at the downstream of the first early-stage conveying device, the first flattening device is positioned above the first cutting platform and used for flattening the wood chips, the first cutting device is used for cutting the wood chips, the first later-stage conveying device is positioned at the downstream of the first cutting platform, and the first arraying device is positioned at the downstream of the; the first rotary cutting device comprises a first rotary cutter and a first advancing and retreating driving device, wherein the first rotary cutter is gradually inclined towards the direction of the log from bottom to top; the first early-stage conveying device comprises a first early-stage conveying belt, a first early-stage running motor for driving the first early-stage conveying belt and a first early-stage support for supporting the first early-stage conveying belt; the first paving device comprises a first hollow jet plate and a first inflation component, wherein the first hollow jet plate is horizontally arranged, and the first inflation component inflates air into the first hollow jet plate; the first hollow jet plate comprises a first jet bottom plate positioned at the lower part and a first jet inclined plate for jetting air towards the lower part of the first cutting device; the first air injection bottom plate is provided with a plurality of first bottom air holes, the first air injection inclined plate is arranged from bottom to top in an inclined mode gradually towards the direction of the first cutting device, and the first air injection inclined plate is filled with a plurality of first side air holes; the first cutting device comprises a first cutting knife at the lower part and a first cutting driving device at the upper part for driving the first cutting knife; the first later-stage conveying device comprises a first later-stage conveying belt, a first later-stage operation motor for driving the first later-stage conveying belt and a first later-stage support for supporting the first later-stage conveying belt; the first arraying device comprises a first arraying conveying belt, a first arraying operating motor for driving the first arraying conveying belt, a first arraying bearing frame for bearing the first arraying conveying belt, a first arraying supporting frame for supporting the first arraying conveying belt and a first swinging driving device for swinging and driving the first arraying bearing frame; the first arraying conveying belt is provided with a first input end corresponding to the first later-stage conveying device and a first output end at the other end; the first rowed supporting frame is supported at the first input end, and the first input end is connected with the upper end of the first rowed supporting frame through a first rotating shaft, so that the first rowed conveying belt can be turned over up and down; the first swing driving device is a fluid pressure cylinder supported below the first array bearing frame, and the first array bearing frame is connected with the upper end of the first swing driving device through a second rotating shaft parallel to the first rotating shaft;

the second rotary cutting mechanism comprises a second rotary cutting device, a second early-stage conveying device which is positioned at the downstream of the second rotary cutting device and used for conveying the wood chips, a second cutting platform which is positioned at the downstream of the second early-stage conveying device, a second flattening device which is positioned above the second early-stage conveying device and used for flattening the wood chips, a third flattening device which is positioned above the second cutting platform and used for flattening the wood chips, a second cutting device which is positioned above the second cutting platform and used for cutting the wood chips, a second later-stage conveying device which is positioned at the downstream of the second cutting platform and a second arraying device which is positioned at the downstream of the second later-stage conveying device and used for arraying the wood chips; the second rotary cutting device comprises a second rotary cutter which gradually inclines towards the log direction from top to bottom and a second forward and backward driving device which is positioned above the second rotary cutter and drives the second rotary cutter to advance and retreat; the second early-stage conveying device comprises a second early-stage conveying belt, a second early-stage running motor for driving the second early-stage conveying belt and a second early-stage support for supporting the second early-stage conveying belt; the second paving device comprises a second hollow jet plate which is horizontally arranged and a second inflation component which inflates air into the second hollow jet plate; the second hollow air injection plate comprises a second air injection bottom plate positioned at the lower part and a second air injection inclined plate for injecting air towards the lower part of the second rotary cutter; the second air injection bottom plate is provided with a plurality of second bottom air holes, the second air injection inclined plate is gradually inclined towards the second rotary cutter from bottom to top, and the second air injection inclined plate is filled with a plurality of second side air holes; the third paving device comprises a third hollow jet plate which is horizontally arranged and a third inflation component which inflates air into the third hollow jet plate; the third hollow air injection plate comprises a third air injection bottom plate positioned at the lower part and a third air injection inclined plate for injecting air towards the lower part of the second cutting knife; a plurality of third bottom air holes are formed in the third air injection bottom plate, the third air injection inclined plate is gradually inclined from bottom to top towards the direction of the second cutting knife, and a plurality of third side air holes are contained in the third air injection inclined plate; the second cutting device comprises a second cutting knife positioned at the lower part and a second cutting driving device positioned at the upper part and used for driving the second cutting knife; the second later-stage conveying device comprises a second later-stage conveying belt, a second later-stage operation motor for driving the second later-stage conveying belt and a second later-stage support for supporting the second later-stage conveying belt; the second arraying device comprises a second arraying conveying belt, a second arraying operating motor for driving the second arraying conveying belt, a second arraying bearing frame for bearing the second arraying conveying belt, a second arraying supporting frame for supporting the second arraying conveying belt and a second swinging driving device for swinging and driving the second arraying bearing frame; the second arraying conveying belt is provided with a second input end corresponding to the second later-stage conveying device and a second output end at the other end; the second Row line support frame is supported at the second input end, and the second input end is connected with the upper end of the second Row line support frame through a third rotating shaft, so that the second Row line conveyer belt can be turned over up and down; the second swing driving device is a fluid pressure cylinder supported below the second array bearing frame, and the second array bearing frame is connected with the upper end of the second swing driving device through a fourth rotating shaft parallel to the third rotating shaft.

The length direction of the first air injection sloping plate is parallel to a log, the cross section of the first air injection sloping plate is in a circular arc shape bulging towards the lower part of the first cutting knife, and the lower end of the first air injection sloping plate is tangent to the horizontal plane where the first air injection bottom plate is located; the length direction of the second air injection sloping plate is parallel to a log, the cross section of the second air injection sloping plate is in a circular arc shape bulging towards the lower part of the second rotary cutter, and the lower end of the second air injection sloping plate is tangent to the horizontal plane where the second air injection bottom plate is located; the length direction of the third air injection inclined plate is parallel to a log, the cross section of the third air injection inclined plate is in a circular arc shape bulging towards the lower portion of the second cutting knife, and the lower end of the third air injection inclined plate is tangent to the horizontal plane where the third air injection bottom plate is located.

The first air inflation component comprises a first fan and a first air vent pipe connected between the first fan and the first hollow air injection plate; the second air inflation component comprises a second fan and a second vent pipe connected between the second fan and the second hollow air injection plate; the third inflation component comprises a third fan and a third air through pipe connected between the third fan and the third hollow air injection plate.

The third air inflation component and the second air inflation component share the same fan.

The third rotating shaft is parallel to the first rotating shaft.

The first rotary cutting mechanism further comprises a first wood chip containing device located at the downstream of the first arraying device, and the second rotary cutting mechanism further comprises a second wood chip containing device located at the downstream of the second arraying device.

The first wood chip containing device comprises a first containing support and at least two layers of first containing flat plates; gaps are reserved between the adjacent first containing flat plates; the second wood chip containing device comprises a second containing support and at least two layers of second containing flat plates; and gaps are reserved between the adjacent second containing flat plates.

The feeding part comprises a feeding conveying belt conveyed towards the positioning rotating mechanism, a feeding supporting frame for bearing the feeding conveying belt and a plurality of limiting supporting bars arranged on the feeding conveying belt; the limiting support bar is perpendicular to the feeding conveying belt, and a limiting groove for placing logs is formed in the upper surface of the limiting support bar.

The feeding support frame is provided with a first feeding side edge corresponding to the conveying part and a second feeding side edge positioned on the other side; and the second feeding side edge is provided with a vertical baffle which is vertically arranged, and the vertical baffle is parallel to the feeding conveying belt.

The conveying part comprises a conveying execution device for conveying the logs and a conveying driving device for driving the conveying execution device; the conveying execution device comprises a plurality of conveying units parallel to the feeding conveying belt; the conveying unit comprises a conveying rotating shaft parallel to the feeding conveying belt and a plurality of conveying wheels coaxially arranged along the conveying rotating shaft; a rotating gap is formed between adjacent conveying wheels on the same conveying rotating shaft, the conveying wheels of adjacent conveying units are arranged in a staggered mode, and the conveying wheels extend into the rotating gap of the adjacent conveying units; four conveying grooves which are uniformly distributed around the axis are formed on the periphery of the conveying wheel, and the conveying grooves of the conveying wheel on the same conveying rotating shaft correspond to the axis direction of the conveying rotating shaft; the conveying grooves on the same conveying wheel are respectively a first conveying groove, a second conveying groove, a third conveying groove and a fourth conveying groove which are adjacent in sequence, and the first conveying grooves of the conveying units face to the same direction;

the conveying driving device comprises a plurality of driving units corresponding to the conveying units and a power device for synchronously driving the driving units to operate; the driving unit comprises a first driving wheel which is positioned above and coaxially connected with the corresponding conveying rotating shaft, a second driving wheel which is positioned below and intermittently drives the first driving wheel to rotate, and a driving gear which is coaxially connected with the second driving wheel; each driving gear is positioned in the same vertical plane and at the same height; the first driving wheel comprises a first wheel main body and four driving rods, wherein the four driving rods extend along the radial direction of the first wheel main body and are uniformly distributed around the axis; four positioning grooves which are uniformly distributed around the axis are formed in the periphery of the first wheel main body, an arc-shaped section is arranged between every two adjacent positioning grooves on the same first driving wheel, and a first driving tooth row is formed on the arc-shaped section; the positioning groove is in an arc shape matched with the second driving wheel, and the positioning groove is provided with an arc bottom which is closest to the axis of the first driving wheel; each driving rod on the same first driving wheel corresponds to the arc bottom of each positioning groove, and the length of each driving rod is greater than the distance from the arc bottom to the axis of the first driving wheel; the second driving wheel comprises a second wheel main body and a poking block which is arranged on the end face of the second wheel main body and used for poking the corresponding driving rod; a second driving gear row matched with the first driving gear row of the corresponding first driving wheel is arranged on the periphery of the second driving wheel;

the power device comprises a power chain matched with the driving gear of each driving unit, a power gear driving the power chain to operate and a power motor driving the power gear to rotate.

After the technical scheme is adopted, the efficient bidirectional rotary cutting assembly line breaks through the structural form of the traditional rotary cutter, in the actual working process, before rotary cutting, the conveying part conveys logs to the feeding part one by one, the feeding part supplies the logs to the rotary cutting part one by one, and then the first rotary cutting mechanism and the second rotary cutting mechanism carry out synchronous rotary cutting on the logs, so that balanced and efficient rotary cutting is realized. When in rotary cutting, the first driving and reversing driving device and the second driving and reversing driving device are matched with each other to drive the first rotary cutter and the second rotary cutter to simultaneously carry out rotary cutting on the log, so that the rotary cutting efficiency can be greatly improved, meanwhile, the contact point of the first rotary cutter and the log and the contact point of the second rotary cutter and the log are arranged into a central symmetry mode taking the axis of the log as the center, the log can be subjected to balanced rotary cutting cutter pressure in the rotary cutting process, most of generated vibration and the like can be counteracted, the rotary cutting error can be reduced, the rotary cutting precision can be obviously improved, the thickness of the wood chips is uniform, no cutting edge exists, and the quality is obviously improved. The method comprises the following steps that wood chips which are rotationally cut by a first rotary cutter directly incline downwards to a first early-stage conveying device, a first early-stage running motor drives a first early-stage conveying belt to convey the wood chips to a first cutting platform in a downstream mode, a first air injection bottom plate of a first flattening device utilizes first bottom air vents to blow and apply pressure to the wood chips downwards, the wood chips are flatly laid on the first cutting platform, then a first cutting driving device drives a first cutting knife to cut the wood chips at a fixed length, in the cutting process, a first air injection inclined plate utilizes first side air vents to further apply pressure to the wood chips below the first cutting knife, in the cutting process of the first cutting knife, the wood chips are temporarily stopped to be conveyed, and after the wood chips are piled and folded at the first cutting knife, the folds generated by the wood chips are guaranteed to be blown and pressed by the first air injection inclined plate to be flatted again. Then the first later-stage running motor drives the first later-stage conveying belt to convey the cut fixed-length wood chips to the first arraying device in the downstream direction, the first arraying running motor drives the first arraying conveying belt to drive the fixed-length wood chips to generate a certain speed, meanwhile, under the swinging drive of the first swinging drive device, the first arraying bearing frame drives the first arraying conveying belt to swing up and down by virtue of the first rotating shaft, the fixed-length wood chips fall into corresponding positions by virtue of inertia to be arrayed, and the effect of gradually arraying the fixed-length wood chips is achieved. Meanwhile, in the process that the wood chips rotationally cut by the second rotary cutter move obliquely upwards, the second air injection inclined plate of the second flattening device utilizes the second side vent hole to blow air downwards to apply pressure to the wood chips so as to enable the wood chips to be bent downwards and conveyed towards the second early-stage conveying device, then the second air injection bottom plate utilizes the second bottom vent hole to blow air downwards to apply pressure to the wood chips so as to enable the wood chips to be flatly paved on the second early-stage conveying belt, a second early-stage running motor drives the second early-stage conveying belt to convey the wood chips downstream to a second cutting platform, a third air injection bottom plate of the third flattening device utilizes the third bottom vent hole to blow air downwards to apply pressure to the wood chips so as to enable the wood chips to be flatly paved on the second cutting platform, then a second cutting driving device drives a second cutting knife to cut the wood chips in a fixed length, and in the cutting process, the third air injection inclined plate utilizes the third side vent hole to further apply pressure, during the cutting process of the second cutting knife, the wood chips are temporarily stopped to be conveyed, so that after the wood chips are piled up and folded at the second cutting knife, the folds generated by the wood chips are guaranteed to be blown by the third air injection inclined plate to be pressed and paved again. Then the second later-stage running motor drives a second later-stage conveying belt to convey the cut fixed-length wood chips to a second arraying device downstream, the second arraying running motor drives the second arraying conveying belt to drive the fixed-length wood chips to generate a certain speed, meanwhile, under the swinging drive of a second swinging drive device, a second arraying bearing frame drives the second arraying conveying belt to swing up and down by virtue of a third rotating shaft, the fixed-length wood chips fall into corresponding positions by virtue of inertia to be arrayed, and the effect of gradually arraying the fixed-length wood chips is achieved. Compared with the prior art, the efficient bidirectional rotary cutting assembly line disclosed by the invention has the advantages that balanced and efficient rotary cutting is realized, the positioning and the rotation are more balanced, the rotary cutting vibration is reduced, the rotary cutting error is reduced, the rotary cutting precision is obviously improved, the wood chips are uniform in thickness and free of cutting edges, the quality is obviously improved, and the practicability is high.

Drawings

FIG. 1 is a first partial schematic of the present invention;

FIG. 2 is a second partial structural view of the present invention;

FIG. 3 is a simplified structural diagram of the present invention;

FIG. 4 is a third partial structural view of the present invention;

FIG. 5 is a fourth partial structural view of the present invention;

FIG. 6 is a schematic view of a fifth partial structure of the present invention;

FIG. 7 is a sixth partial structural view of the present invention;

FIG. 8 is a seventh partial structural view of the present invention;

FIG. 9 is an eighth partial structural view of the present invention;

FIG. 10 is a schematic view of a ninth embodiment of the present invention;

fig. 11 is a partially enlarged schematic view of a portion a of fig. 1.

In the figure:

1-Rotary cutting part

111-support positioning device 1111-first support roller a-first lower telescopic support rod 1112-second support roller c-third lower telescopic support rod

112-positioning rotating device 1121-first rotating roller j-first rotating drive motor e-first upper telescopic support rod 1122-second rotating roller k-second rotating drive motor g-third upper telescopic support rod p-first middle lower compression spring r-first middle upper compression spring

113-first upper horizontal movement driving device 1131-first upper horizontal movement rack 1132-first upper pressure spring 1133-first upper screw 1134-first upper motor

114-third upper horizontal movement driving device 1141-third upper horizontal movement frame 1142-third upper pressure spring 1143-third upper screw 1144-third upper motor

121-a first rotary cutter 122-a first early-stage conveying device 1221-a first early-stage conveying belt 1222-a first early-stage support 123-a first cutting platform 1241-a first hollow jet plate u 1-a first jet bottom plate u 11-a first bottom air vent u 2-a first jet inclined plate u 21-a first side air vent 125-a first cutting device 1251-a first cutting knife 1252-a first cutting driving device 126-a first late-stage conveying device 1261-a first late-stage conveying belt 1262-a first late-stage support 127-a first arraying device 1271-a first arraying conveying belt 1272-a first arraying bearing frame 1273-a first arraying support 128-a first chip loading device

131-a second rotary cutter 132-a second early-stage conveying device 1321-a second early-stage conveying belt 1322-a second early-stage support 133-a second cutting platform 1341-a second hollow air jet plate v 1-a second air jet bottom plate v 11-a second bottom air vent hole v 2-a second air jet inclined plate v 21-a second side air vent hole 135-a second cutting device 1351-a second cutting knife 1352-a second cutting driving device 136-a second later-stage conveying device 1361-a second later-stage conveying belt 1362-a second later-stage support 137-a second alignment device 1371-a second alignment conveying belt 1372-a second alignment bearing frame 1373-a second alignment bearing frame 138-a second wood chip accommodating device 1391-a third hollow air jet plate o 1-a third air jet bottom plate o 11-a third bottom air jet hole o 2-a third air jet hole o21 -third side vent

14-first upper horizontal guide

15-first lower horizontal guide

16-first lower horizontal movement driving means 161-first lower horizontal movement frame 162-first lower compression spring 163-first lower screw 164-first lower motor

17-third lower horizontal moving drive 171-third lower horizontal moving frame 172-third lower compression spring 173-third lower screw 174-third lower motor

2-feeding part 21-feeding conveyer belt 22-limit support bar 221-limit groove 23-first feeding side 24-second feeding side 241-vertical baffle

3-conveying part 311-conveying unit s-conveying rotating shaft t-conveying wheel t 1-first conveying groove t 2-second conveying groove t 3-third conveying groove t 4-fourth conveying groove

32-conveying driving device 321-first driving wheel 3211-first wheel main body w 1-positioning groove w 2-first driving tooth row 3212-driving rod 322-second driving wheel 3221-second wheel main body 3222-toggle block 3223-second driving tooth row 323-driving gear

331-a power chain 3311-an upper strand 3312-a lower strand 332-a chain stop 3321-an upper stop 3322-a lower stop 3323-a stop base 333-a power gear 334-a power motor.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

A high-efficiency bidirectional rotary cutting assembly line of the present invention, as shown in fig. 1-11, comprises a rotary cutting part 1, a feeding part 2 for supplying logs to the rotary cutting part 1, and a conveying part 3 for conveying logs from the feeding part 2; the rotary cutting part 1 comprises a positioning rotating mechanism for positioning and rotationally driving the log and a rotary cutting mechanism for rotary cutting the log; the rotary cutting mechanism comprises a first rotary cutting mechanism positioned on one side of the log and a second rotary cutting mechanism positioned on the other side of the log;

the positioning rotating mechanism is positioned between the first rotary cutting mechanism and the second rotary cutting mechanism; the positioning and rotating mechanism comprises a supporting and positioning device 111 at the lower part and a positioning and rotating device 112 at the upper part;

the supporting and positioning device 111 comprises two supporting rollers which are supported at two sides below the axis of the log and are parallel to the log, wherein the two supporting rollers are a first supporting roller 1111 and a second supporting roller 1112 respectively; the first supporting roller 1111 is provided with a first lower telescopic supporting rod a and a second lower telescopic supporting rod which are supported at two ends of the first supporting roller 1111 in a matching way, and the second supporting roller 1112 is provided with a third lower telescopic supporting rod c and a fourth lower telescopic supporting rod which are supported at two ends of the second supporting roller 1112 in a matching way; a first lower horizontal guide rail 15 and a second lower horizontal guide rail which are perpendicular to the log are connected between the first rotary cutting mechanism and the second rotary cutting mechanism, a first lower telescopic supporting rod a and a third lower telescopic supporting rod c are correspondingly and slidably arranged on the first lower horizontal guide rail 15, and a second lower telescopic supporting rod and a fourth lower telescopic supporting rod are correspondingly and slidably arranged on the second lower horizontal guide rail; a first lower horizontal movement driving device 16 is connected between the first lower telescopic supporting rod a and the first rotary cutting mechanism, a second lower horizontal movement driving device is connected between the second lower telescopic supporting rod a and the first rotary cutting mechanism, a third lower horizontal movement driving device 17 is connected between the third lower telescopic supporting rod c and the second rotary cutting mechanism, and a fourth lower horizontal movement driving device is connected between the fourth lower telescopic supporting rod a and the second rotary cutting mechanism;

the first lower horizontal movement driving device 16 includes a first lower horizontal movement frame 161, a first lower compression spring 162 stretched between the first lower horizontal movement frame 161 and the first lower telescopic support rod a, a first lower screw 163 extending along the first lower horizontal guide rail 15 and driving the first lower horizontal movement frame 161, and a first lower motor 164 connected to the first rotary cutting mechanism and driving the first lower screw 163 to rotate; the first lower horizontal moving frame 161 is formed with a screw hole to be engaged with the first lower screw 163; the second lower horizontal moving driving device comprises a second lower horizontal moving frame, a second lower pressure spring, a second lower screw rod and a second lower motor, wherein the second lower pressure spring is arranged between the second lower horizontal moving frame and a second lower telescopic supporting rod in an expanding mode, the second lower screw rod extends along a second lower horizontal guide rail and drives the second lower horizontal moving frame, and the second lower motor is connected to the second rotary cutting mechanism and drives the second lower screw rod to rotate; the second lower horizontal moving frame is provided with a screw hole matched with the second lower screw rod;

the third lower horizontal moving driving device 17 includes a third lower horizontal moving frame 171, a third lower compression spring 172 stretched between the third lower horizontal moving frame 171 and a third lower telescopic support rod c, a third lower screw 173 extending along the first lower horizontal guide rail 15 and driving the third lower horizontal moving frame 171, and a third lower motor 174 connected to the first rotary cutting mechanism and driving the third lower screw 173 to rotate; the third lower horizontal moving frame 171 is formed with a screw hole engaged with the third lower screw 173; the fourth lower horizontal moving driving device comprises a fourth lower horizontal moving frame, a fourth lower pressure spring, a fourth lower screw rod and a fourth lower motor, wherein the fourth lower pressure spring is arranged between the fourth lower horizontal moving frame and a fourth lower telescopic supporting rod in an expanding mode, the fourth lower screw rod extends along the second lower horizontal guide rail and drives the fourth lower horizontal moving frame, and the fourth lower motor is connected to the second rotary-cut mechanism and drives the fourth lower screw rod to rotate; a screw hole matched with the fourth lower screw rod is formed on the fourth lower horizontal moving frame;

the positioning and rotating device 112 includes two rotating rollers supported on two sides above the axis of the log and parallel to the log, the two rotating rollers are a first rotating roller 1121 and a second rotating roller 1122 respectively; the first rotating roller 1121 is provided with a first upper telescopic support rod e and a second upper telescopic support rod supported at both ends of the first rotating roller 1121, and the second rotating roller 1122 is provided with a third upper telescopic support rod g and a fourth upper telescopic support rod supported at both ends of the second rotating roller 1122; the upper part of the second rotary cutting mechanism is provided with a first upper horizontal guide rail 14 and a second upper horizontal guide rail which extend towards the direction of the first rotary cutting mechanism and are vertical to the log, a first upper telescopic support rod e and a third upper telescopic support rod g are correspondingly arranged on the first upper horizontal guide rail 14 in a sliding manner, and a second upper telescopic support rod and a fourth upper telescopic support rod are correspondingly arranged on the second upper horizontal guide rail in a sliding manner; a first upper horizontal movement driving device 113 is connected between the first upper telescopic supporting rod e and the first rotary cutting mechanism, a second upper horizontal movement driving device is connected between the second upper telescopic supporting rod e and the first rotary cutting mechanism, a third upper horizontal movement driving device 114 is connected between the third upper telescopic supporting rod g and the second rotary cutting mechanism, and a fourth upper horizontal movement driving device is connected between the fourth upper telescopic supporting rod e and the second rotary cutting mechanism;

the first upper horizontal movement driving device 113 includes a first upper horizontal movement frame 1131, a first upper pressure spring 1132 which is stretched between the first upper horizontal movement frame 1131 and the first upper telescopic support rod e, a first upper screw 1133 which extends along the first upper horizontal guide rail 14 and drives the first upper horizontal movement frame 1131, and a first upper motor 1134 which is connected to the first rotary cutting mechanism and drives the first upper screw 1133 to rotate; the first upper horizontal moving frame 1131 is formed with a screw hole matched with the first upper screw 1133; the second upper horizontal movement driving device comprises a second upper horizontal movement frame, a second upper pressure spring, a second upper screw rod and a second upper motor, wherein the second upper pressure spring is arranged between the second upper horizontal movement frame and a second upper telescopic supporting rod in an opening mode, the second upper screw rod extends along a second upper horizontal guide rail and drives the second upper horizontal movement frame, and the second upper motor is connected to the second rotary cutting mechanism and drives the second upper screw rod to rotate; the second upper horizontal moving frame is provided with a screw hole matched with the second upper screw rod;

the third upper horizontal movement driving device 114 includes a third upper horizontal movement frame 1141, a third upper pressure spring 1142 stretched between the third upper horizontal movement frame 1141 and the third upper telescopic support rod g, a third upper screw 1143 extending along the first upper horizontal guide rail 14 and driving the third upper horizontal movement frame 1141, and a third upper motor 1144 connected to the first rotary cutting mechanism and driving the third upper screw 1143 to rotate; a screw hole matched with the third upper screw 1143 is formed on the third upper horizontal moving frame 1141; the fourth upper horizontal movement driving device comprises a fourth upper horizontal movement frame, a fourth upper pressure spring, a fourth upper screw rod and a fourth upper motor, wherein the fourth upper pressure spring is arranged between the fourth upper horizontal movement frame and a fourth upper telescopic supporting rod in an opening mode, the fourth upper screw rod extends along the second upper horizontal guide rail and drives the fourth upper horizontal movement frame, and the fourth upper motor is connected to the second rotary cutting mechanism and drives the fourth upper screw rod to rotate; a screw hole matched with the fourth upper screw rod is formed on the fourth upper horizontal moving frame;

a first rotary roller 1121 is provided with a first rotary drive motor j, and a second rotary roller 1122 is provided with a second rotary drive motor k;

the first rotary cutting mechanism comprises a first rotary cutting device, a first front-stage conveying device 122 which is arranged at the downstream of the first rotary cutting device and used for conveying the wood chips, a first cutting platform 123 which is arranged at the downstream of the first front-stage conveying device 122, a first flattening device which is arranged above the first cutting platform 123 and used for flattening the wood chips, a first cutting device 125 used for cutting the wood chips, a first later-stage conveying device 126 which is arranged at the downstream of the first cutting platform 123, and a first arraying device 127 which is arranged at the downstream of the first later-stage conveying device 126 and used for arraying the wood chips; the first rotary cutting device comprises a first rotary cutter 121 which gradually inclines towards the direction of the log from bottom to top and a first forward and backward driving device which drives the first rotary cutter 121 to move forward and backward; the first early conveyer 122 includes a first early conveyer belt 1221, a first early operation motor that drives the first early conveyer belt 1221, and a first early support 1222 that supports the first early conveyer belt 1221; the first paving device comprises a first hollow jet plate 1241 arranged horizontally and a first inflation component for inflating the first hollow jet plate 1241; the first hollow jet plate 1241 includes a first jet bottom plate u1 at a lower portion and a first jet inclined plate u2 that jets air toward below the first cutting device 125; the first air injection bottom plate u1 is provided with a plurality of first bottom air holes u11, the first air injection inclined plate u2 is gradually inclined from bottom to top towards the direction of the first cutting device 125, and the first air injection inclined plate u2 contains a plurality of first side air holes u 21; the first cutting device 125 includes a first cutting knife 1251 at a lower portion and a first cutting driving device 1252 at an upper portion that drives the first cutting knife 1251; the first post conveyor 126 includes a first post conveyor 1261, a first post operation motor that drives the first post conveyor 1261, and a first post carriage 1262 that supports the first post conveyor 1261; the first arraying device 127 includes a first arraying conveyor belt 1271, a first arraying operation motor for driving the first arraying conveyor belt 1271, a first arraying carrier 1272 for carrying the first arraying conveyor belt 1271, a first arraying support frame 1273 for supporting the first arraying conveyor belt 1271, and a first swing drive device for swing-driving the first arraying carrier 1272; the first apron 1271 has a first input corresponding to the first post conveyor 126 and a first output at the other end; the first alignment support 1273 is supported at a first input end, and the first input end is connected with the upper end of the first alignment support 1273 through a first rotating shaft, so that the first alignment conveyor 1271 can be turned over up and down; the first swing driving device is a fluid pressure cylinder supported below the first array carrier 1272, and the first array carrier 1272 and the upper end of the first swing driving device are connected together through a second rotating shaft parallel to the first rotating shaft;

the second rotary cutting mechanism comprises a second rotary cutting device, a second early stage conveying device 132 which is arranged at the downstream of the second rotary cutting device and used for conveying the wood chips, a second cutting platform 133 which is arranged at the downstream of the second early stage conveying device 132, a second flattening device which is arranged above the second early stage conveying device 132 and used for flattening the wood chips, a third flattening device which is arranged above the second cutting platform 133 and used for flattening the wood chips, a second cutting device 135 used for cutting the wood chips, a second later stage conveying device 136 which is arranged at the downstream of the second cutting platform 133, and a second arraying device 137 which is arranged at the downstream of the second later stage conveying device 136 and used for arraying the wood chips; the second rotary cutting device comprises a second rotary cutter 131 which gradually inclines towards the direction of the log from top to bottom and a second forward and backward driving device which is positioned above the second rotary cutter 131 and drives the second rotary cutter 131 to move forward and backward; the second early stage conveying device 132 includes a second early stage conveying belt 1321, a second early stage operation motor that drives the second early stage conveying belt 1321, and a second early stage support 1322 that supports the second early stage conveying belt 1321; the second flattening device includes a second hollow air injection plate 1341 disposed horizontally and a second air inflation member that inflates the inside of the second hollow air injection plate 1341; the second hollow air injection plate 1341 includes a second air injection bottom plate v1 at a lower portion and a second air injection inclined plate v2 injecting air toward below the second rotary cutter 131; the second air injection bottom plate v1 is provided with a plurality of second bottom air holes v11, the second air injection inclined plate v2 is gradually inclined from bottom to top towards the second rotary cutter 131, and the second air injection inclined plate v2 contains a plurality of second side air holes v 21; the third paving device comprises a third hollow air jet plate 1391 arranged horizontally and a third inflation component for inflating the third hollow air jet plate 1391; the third hollow air injection plate 1391 includes a third air injection bottom plate o1 at a lower portion and a third air injection inclined plate o2 injecting air toward below the second cutting knife 1351; the third air injection bottom plate o1 is provided with a plurality of third bottom air holes o11, a third air injection inclined plate o2 is gradually inclined from bottom to top towards the direction of the second cutting knife 1351, and a plurality of third side air holes o21 are contained in the third air injection inclined plate o 2; the second cutting device 135 includes a second cutting knife 1351 at a lower portion and a second cutting driving device 1352 at an upper portion for driving the second cutting knife 1351; the second rear conveyor 136 includes a second rear conveyor 1361, a second rear running motor that drives the second rear conveyor 1361, and a second rear support 1362 that supports the second rear conveyor 1361; the second arraying device 137 includes a second arraying conveyor 1371, a second arraying operating motor for driving the second arraying conveyor 1371, a second arraying carrier 1372 for carrying the second arraying conveyor 1371, a second arraying support frame 1373 for supporting the second arraying conveyor 1371, and a second swing driving device for swing-driving the second arraying carrier 1372; the second aligned conveyor 1371 has a second input corresponding to the second late conveyor 136 and a second output at the other end; the second rowed supporting frame 1373 is supported at the second input end, and the second input end is connected with the upper end of the second rowed supporting frame 1373 through a third rotating shaft, so that the second rowed conveyer belt 1371 can be turned over up and down; the second swing driving device is a hydraulic cylinder supported below the second aligned carrier 1372, and the upper ends of the second aligned carrier 1372 and the second swing driving device are connected together by a fourth rotation shaft parallel to the third rotation shaft. In the actual working process, before rotary cutting, the conveying part 3 conveys logs to the feeding part 2 one by one, the feeding part 2 supplies the logs to the rotary cutting part 1 one by one, and then the first rotary cutting mechanism and the second rotary cutting mechanism perform rotary cutting on the logs simultaneously, so that balanced and efficient rotary cutting is realized. Specifically, a log is placed above a first supporting roller 1111 and a second supporting roller 1112, a first lower motor 164, a second lower motor, a third lower motor 174 and a fourth lower motor drive a corresponding first lower screw 163, a corresponding second lower screw, a corresponding third lower screw 173 and a corresponding fourth lower screw to rotate, so that a first lower horizontal moving frame 161, a second lower horizontal moving frame, a corresponding third lower horizontal moving frame 171 and a corresponding fourth lower horizontal moving frame are driven to move, a first lower telescopic supporting rod a and a third lower telescopic supporting rod c are driven to slide towards the log along a first lower horizontal guide rail 15, a second lower telescopic supporting rod and a fourth lower telescopic supporting rod are driven to slide towards the log along a second lower horizontal guide rail and are adjusted according to the thickness of the log until the first supporting roller 1111 and the second supporting roller 1112 are in abutting contact with the lower side surface of the log to support the log, and then a first upper motor 1134, a second upper motor and a lower motor are used for driving the first lower motor to move the first lower motor, the second lower motor, the, The second upper motor, the third upper motor 1144 and the fourth upper motor drive the corresponding first upper screw 1133, the second upper screw, the third upper screw 1143 and the fourth upper screw rotate, thereby driving the first upper horizontal moving frame 1131, the second upper horizontal moving frame, the third upper horizontal moving frame 1141 and the fourth upper horizontal moving frame to move, further driving the first upper telescopic support rod e and the third upper telescopic support rod g to slide along the first upper horizontal guide rail 14 towards the log, driving the second upper telescopic support rod and the fourth upper telescopic support rod to slide along the second upper horizontal guide rail towards the log, adjusting according to the thickness of the log until the first rotating roller 1121 and the second rotating roller 1122 are both in abutting contact with the upper side surface of the log, and further positioning the log by matching with the first supporting roller 1111 and the second supporting roller 1112. First telescopic support rod a and the telescopic support rod can stretch out and draw back down and adjust the height of first supporting roller 1111 down with the second, telescopic support rod c can stretch out and draw back the height that adjusts second supporting roller 1112 under the third and the telescopic support rod can stretch out and draw back down under the fourth, telescopic support rod can stretch out and draw back and adjust the height of first rotor roller 1121 on first telescopic support rod e and the second, telescopic support rod g can stretch out and draw back the height that adjusts second rotor roller 1122 on telescopic support rod g and the fourth on the third, and then cooperate with sliding function and realize the original thickness of log and the adaptation that tapers at rotary-cut in-process. In the rotary cutting process, the first rotary driving motor j and the second rotary driving motor k can respectively drive the first rotary roller 1121 and the second rotary roller 1122 to rotate so as to drive the logs to rotate. When in rotary cutting, the first driving and reversing driving device and the second driving and reversing driving device are matched with each other to drive the first rotary cutter 121 and the second rotary cutter 131 to carry out the simultaneous rotary cutting on the log, so that the rotary cutting efficiency can be greatly improved, meanwhile, the contact point of the first rotary cutter 121 and the log and the contact point of the second rotary cutter 131 and the log are arranged in a central symmetry mode taking the axis of the log as the center, the log can be subjected to balanced rotary cutting cutter pressure in the rotary cutting process, most of generated vibration and the like can be counteracted, further, the rotary cutting error can be reduced, the rotary cutting precision can be obviously improved, the thickness of the wood chips is uniform, no cutting edge exists, and the quality is obviously improved. Specifically, the wood chips rotary-cut by the first rotary cutter 121 directly incline downwards to the first early stage conveying device 122, the first early stage operation motor drives the first early stage conveying belt 1221 to convey the wood chips downstream to the first cutting platform 123, the first air injection bottom plate u1 of the first paving device utilizes the first bottom air holes u11 to blow air downwards to apply pressure to the wood chips, so that the wood chips are paved on the first cutting platform 123, then the first cutting drive device 1252 drives the first cutting knife 1251 to cut the wood chips to a fixed length, during the cutting process, the wood chips under the first cutting knife 1251 are further pressed by the first air-jet inclined plate u2 through the first side air vents u21, after the wood chips are temporarily stopped from being conveyed during the cutting process of the first cutter 1251 so that the wood chips are piled up and wrinkled at the first cutter 1251, it is ensured that the wrinkles generated in the chips are re-spread by the blowing pressure of the first air-jet slanting plate u 2. Then the first later-stage operation motor drives the first later-stage conveyer belt 1261 to convey the cut fixed-length wood chips to the first arraying device 127 in a downstream direction, the first arraying operation motor drives the first arraying conveyer belt 1271 to drive the fixed-length wood chips to generate a certain speed, meanwhile, under the swinging drive of the first swinging drive device, the first arraying bearing frame 1272 drives the first arraying conveyer belt 1271 to swing up and down by virtue of the first rotating shaft, the fixed-length wood chips fall into corresponding positions to be arrayed by virtue of inertia, and the effect of gradually arraying the fixed-length wood chips is achieved. Meanwhile, during the process that the wood chips rotationally cut by the second rotary cutter 131 move obliquely upwards, the wood chips are blown downwards and pressed by a second air injection inclined plate v2 of the second flattening device through a second side air hole v21 to be bent downwards and conveyed towards the second early-stage conveying device 132, then the wood chips are blown downwards and pressed by a second air injection bottom plate v1 through a second bottom air hole v11 to be flattened on a second early-stage conveying belt 1321, the second early-stage conveying belt 1321 is driven by a second early-stage running motor to convey the wood chips to the second cutting platform 133 in a downstream mode, the wood chips are blown downwards and pressed by a third air injection bottom plate o1 of the third flattening device through a third bottom air hole o11 to be flattened on the second cutting platform 133, then the second cutting driving device 1352 drives a second cutting knife 1351 to cut the wood chips at a fixed length, and during the cutting process, the further pressing is performed on the wood chips under the second side cutting knife 1351 through a third air injection inclined plate o2 through a third air hole o21, after the chips are temporarily stopped being conveyed during the cutting process of the second cutting knife 1351, and the chips are piled and folded at the second cutting knife 1351, the folds generated by the chips are ensured to be flattened again by being pressed by the blowing air of the third air jet sloping plate o 2. Then the second later-stage operation motor drives the second later-stage conveyer belt 1361 to convey the cut fixed-length wood chips to the second arraying device 137 downstream, the second arraying operation motor drives the second arraying conveyer belt 1371 to drive the fixed-length wood chips to generate a certain speed, and under the swing drive of the second swing drive device, the second arraying bearing frame 1372 drives the second arraying conveyer belt 1371 to swing up and down by means of the third rotating shaft, the fixed-length wood chips fall into corresponding positions to be arrayed by means of inertia, and the effect of gradually arraying the fixed-length wood chips is achieved.

Preferably, the length direction of the first air injection swash plate u2 is parallel to the log, the cross section of the first air injection swash plate u2 is in the shape of a circular arc bulging below the first cutting knife 1251, and the lower end of the first air injection swash plate u2 is tangent to the horizontal plane where the first air injection bottom plate u1 is located; the length direction of the second air injection inclined plate v2 is parallel to a log, the cross section of the second air injection inclined plate v2 is in a circular arc shape bulging towards the lower part of the second rotary cutter 131, and the lower end of the second air injection inclined plate v2 is tangent to the horizontal plane where the second air injection bottom plate v1 is located; the length direction of the third air injection sloping plate o2 is parallel to the log, the cross section of the third air injection sloping plate o2 is in a circular arc shape bulging towards the lower part of the second cutting knife 1351, and the lower end of the third air injection sloping plate o2 is tangent to the horizontal plane where the third air injection bottom plate o1 is located. In the actual working process, the air flow sprayed by the first air spraying inclined plate u2, the second air spraying inclined plate v2 and the third air spraying inclined plate o2 has a scattering effect, an air flow surface is formed, all-around air blowing pressure can be carried out on the wood chips, the phenomenon that the air blowing is concentrated and the wood chips are not paved completely is avoided, and the corresponding air spraying inclined plates are smoothly connected with the air spraying bottom plate, so that the sprayed air flow is not interrupted at the joints to realize the continuity of the air flow surface, the wood chips are further enabled to realize a better paving effect, and the cutting and the conveying are more orderly.

Preferably, the first air-filling part includes a first fan, and a first air duct connected between the first fan and the first hollow jet plate 1241; the second air inflation part comprises a second fan and a second vent pipe connected between the second fan and the second hollow jet plate 1341; the third inflation component includes a third fan and a third air duct connected between the third fan and a third hollow air jet plate 1391. In the actual working process, the first air inflation component inflates the first hollow air injection plate 1241 by using the first fan through the first vent pipe; the second air inflation part inflates the second hollow jet plate 1341 by a second fan through a second breather pipe; the third inflation component inflates the third hollow air injection plate 1391 with a third fan through a third air pipe.

In order to reduce costs, it is preferable that the third air-packing member and the second air-packing member share the same blower.

Preferably, the third axis of rotation is parallel to the first axis of rotation. The structure can enable the wood chips rotationally cut by the first rotary cutting mechanism and the second rotary cutting mechanism to be conveyed and listed in opposite directions without mutual interference.

Preferably, the first rotary cutter further comprises a first wood chip holding device 128 downstream of the first arraying device 127, and the second rotary cutter further comprises a second wood chip holding device downstream of the second arraying device 137. In the practical working process of the present invention, the first wood chip container 128 can contain the wood chips cut by the first rotary cutting mechanism, and the second wood chip container can contain the wood chips cut by the second rotary cutting mechanism.

Preferably, the first chip holding device 128 comprises a first holding frame and at least two first holding plates; gaps are reserved between the adjacent first containing flat plates; the second wood chip containing device comprises a second containing support and at least two layers of second containing flat plates; and gaps are reserved between the adjacent second containing flat plates. In the actual working process, the first containing flat plate and the second containing flat plate both carry out leveling bearing on the wood chips.

Preferably, a first middle lower pressure spring p is arranged between the first lower telescopic supporting rod a and the third lower telescopic supporting rod c; a second middle lower pressure spring is arranged between the second lower telescopic supporting rod and the fourth lower telescopic supporting rod in an expanding way; a first middle upper pressure spring r is arranged between the first upper telescopic supporting rod e and the third upper telescopic supporting rod g in a stretching way; and a second middle upper pressure spring is arranged between the second upper telescopic supporting rod and the fourth upper telescopic supporting rod in an opening mode. The first middle lower pressure spring p enables the first lower telescopic support rod a and the third lower telescopic support rod c to have elastic supporting force which is far away from each other and is matched with the corresponding first lower pressure spring 162 and the corresponding third lower pressure spring 172, so that the first lower telescopic support rod a and the third lower telescopic support rod c can be conveniently positioned on the first lower horizontal guide rail 15 in a sliding mode in different directions according to the size of the log, and the log can be stably supported through the first lower telescopic support rod a and the third lower telescopic support rod c; the second lower middle lower pressure spring enables the second lower telescopic support rod and the fourth lower telescopic support rod to have elastic supporting force which is far away from each other and is matched with the corresponding second lower pressure spring and the corresponding fourth lower pressure spring, so that the second lower telescopic support rod and the fourth lower telescopic support rod can conveniently slide and position on the second lower horizontal guide rail in different directions according to the size of the log, and the log can be stably supported through the second lower telescopic support rod and the fourth lower telescopic support rod; the first middle upper pressure spring r enables the first upper telescopic support rod e and the third upper telescopic support rod g to have elastic supporting force which is far away from each other, and the first middle upper pressure spring r is matched with the corresponding first upper pressure spring 1132 and the corresponding third upper pressure spring 1142, so that the first upper telescopic support rod e and the third upper telescopic support rod g can conveniently slide and position on the first upper horizontal guide rail 14 in different directions according to the size of the log, and the log can be stably supported through the first upper telescopic support rod e and the third upper telescopic support rod g; go up the pressure spring in the middle of the second and make flexible bracing piece and the flexible bracing piece have the elastic support power of keeping away from each other on flexible bracing piece and the fourth on the second, cooperate with pressure spring and the fourth on the corresponding second, be convenient for on flexible bracing piece and the fourth on flexible bracing piece carry out not equidirectional slide positioning on the horizontal guide rail on the second according to log size on the second, flexible bracing piece and the fourth on flexible bracing piece carry out the outrigger to the log in addition on the accessible second.

Preferably, the lower ends of the first lower telescopic support rod a and the third lower telescopic support rod c are matched with the first lower horizontal guide rail 15 through sliding sleeves to slide; the lower ends of the second lower telescopic supporting rod and the fourth lower telescopic supporting rod are matched with the second lower horizontal guide rail through sliding sleeves to slide; the upper ends of the first upper telescopic supporting rod e and the third upper telescopic supporting rod g are matched with the first upper horizontal guide rail 14 through sliding sleeves to slide; the upper ends of the upper telescopic supporting rod on the second and the upper telescopic supporting rod on the fourth are matched with the upper horizontal guide rail of the second through sliding sleeves to slide.

Preferably, the first lower telescopic support rod a, the second lower telescopic support rod, the third lower telescopic support rod c, the fourth lower telescopic support rod, the first upper telescopic support rod e, the second upper telescopic support rod, the third upper telescopic support rod g and the fourth upper telescopic support rod are all oil cylinders.

Preferably, the feeding part 2 comprises a feeding conveyer belt 21 conveyed towards the positioning and rotating mechanism, a feeding support frame for supporting the feeding conveyer belt 21 and a plurality of limit support bars 22 arranged on the feeding conveyer belt 21; the limit support bar 22 is perpendicular to the feeding conveyor belt 21, and a limit groove 221 for placing logs is formed on the upper surface of the limit support bar 22. In the actual working process of the invention, the conveying part 3 conveys the logs to the feeding part 2, the logs are placed along the feeding conveying belt 21 and are borne by the limiting support bars 22, the limiting grooves 221 of the limiting support bars 22 limit the logs to prevent the logs from rolling laterally, and the feeding conveying belt 21 drives the limiting support bars 22 to convey the logs.

Preferably, the feed support frame has a first feed side 23 corresponding to the conveyor section 3 and a second feed side 24 on the other side; the second feed side 24 is provided with a vertically arranged vertical baffle 241, and the vertical baffle 241 is parallel to the feed conveyor 21. In the actual working process of the invention, when the logs roll down from the conveying part 3 to the feeding conveyer belt 21, the vertical baffle 241 can stop the logs, so that the logs can stably stay on the limit support bars 22 on the feeding conveyer belt 21, and the logs are prevented from rolling to the other side of the feeding conveyer belt 21 due to inertia. The concrete structure can be, vertical baffle 241 still sets the vertical base plate that parallels, is equipped with the rubber pad or opens to be equipped with a plurality of buffering pressure springs between vertical baffle 241 and the vertical base plate, can carry out more effectual buffering to the log, makes the log stop on feed conveyer belt 21 after receiving the buffering.

Preferably, the conveying section 3 includes a conveying executing device that conveys the logs and a conveying driving device 32 that drives the conveying executing device; the conveying execution device comprises a plurality of conveying units 311 parallel to the feeding conveying belt 21; the conveying unit 311 includes a conveying rotating shaft s parallel to the feed conveyor 21 and a plurality of conveying wheels t coaxially arranged along the conveying rotating shaft s; a rotating gap is formed between the adjacent conveying wheels t on the same conveying rotating shaft s, the conveying wheels t of the adjacent conveying units 311 are arranged in a staggered mode, and the conveying wheels t extend into the rotating gap of the adjacent conveying units 311; four conveying grooves which are uniformly distributed around the axis are formed on the periphery of the conveying wheel t, and the conveying grooves of the conveying wheel t on the same conveying rotating shaft s correspond to each other in the axis direction of the conveying rotating shaft s; the conveying grooves on the same conveying wheel t are respectively a first conveying groove t1, a second conveying groove t2, a third conveying groove t3 and a fourth conveying groove t4 which are adjacent in sequence, and the first conveying grooves t1 of the conveying units 311 face the same direction;

the conveying driving device 32 comprises a plurality of driving units corresponding to the conveying units 311 and a power device for synchronously driving the driving units to operate; the driving unit comprises a first driving wheel 321 which is positioned at the upper part and is coaxially connected with the corresponding conveying rotating shaft s, a second driving wheel 322 which is positioned at the lower part and intermittently drives the first driving wheel 321 to rotate, and a driving gear 323 which is coaxially connected with the second driving wheel 322; each driving gear 323 is positioned in the same vertical plane and at the same height; the first driving wheel 321 includes a first wheel main body 3211 and four driving rods 3212 extending radially along the first wheel main body 3211 and evenly distributed around the axis; four positioning grooves w1 uniformly distributed around the axis are formed on the periphery of the first wheel main body 3211, an arc-shaped section is formed between adjacent positioning grooves w1 on the same first driving wheel 321, and a first driving tooth row w2 is formed on the arc-shaped section; the positioning groove w1 is in the shape of an arc matched with the second driving wheel 322, and the positioning groove w1 is provided with an arc bottom closest to the axis of the first driving wheel 321; each driving rod 3212 on the same first driving wheel 321 corresponds to the arc bottom of each positioning groove w1, and the length of each driving rod 3212 is greater than the distance from the arc bottom to the axis of the first driving wheel 321; the second driving wheel 322 comprises a second wheel main body 3221 and a shifting block 3222 arranged on the end surface of the second wheel main body 3221 and used for shifting the corresponding driving rod 3212; the second driving wheel 322 is provided with a second driving tooth row 3223 matched with the first driving tooth row w2 of the corresponding first driving wheel 321 on the periphery;

the power unit includes a power chain 331 engaged with the driving gear 323 of each driving unit, a power gear 333 for driving the power chain 331 to operate, and a power motor 334 for rotationally driving the power gear 333. In the actual working process of the invention, the conveying driving device 32 drives the conveying executing device to operate so as to convey the logs to the feeding part 2. Specifically, a plurality of logs are placed on each conveying unit 311, each log is commonly carried and limited by the respective upward first conveying groove t1 (the second conveying groove t2, the third conveying groove t3 or the fourth conveying groove t4) of the corresponding conveying unit 311, and the logs cannot roll in a side direction in a mess. The power motor 334 drives the power gear 333 to drive the power chain 331 to operate, the power chain 331 drives the driving gears 323 of the driving units to synchronously rotate, each driving gear 323 drives each second driving wheel 322 to rotate, the circumferential surface of the second driving wheel 322 rotates along the corresponding positioning groove w1, during the process that the circumferential surface of the second driving wheel 322 rotates along the corresponding positioning groove w1, the first driving wheel 321 keeps stationary by virtue of the matching limit of the corresponding positioning groove w1 and the circumferential surface of the second driving wheel 322, when the second driving tooth row 3223 of the second driving wheel 322 approaches to the first driving tooth row w2, the toggle block 3222 toggles the driving rod 3212 to toggle the driving rod 3212, the driving rod 3212 drives the first driving wheel 321 to rotate by a certain angle, so that the second driving tooth row 3223 is meshed with the first driving tooth row w2, so that the second driving wheel 322 drives the first driving wheel 321 to rotate by virtue of the matching of the second driving tooth row 3223 and the first driving tooth row 2, the first driving wheels 321 rotate 90 degrees, the first driving wheels 321 drive the conveying rotating shafts s to drive the conveying wheels t to synchronously rotate 90 degrees, the first conveying grooves t1 drive the logs to swing 90 degrees towards the feeding part 2, the conveying unit 311 closest to the feeding part 2 directly swings and conveys the logs to the feeding conveying belt 21, the logs at the upstream are close to the feeding part 2 by the distance of one conveying unit 311, and the second conveying grooves t2 face upwards to bear the logs at the upstream, so that the logs are periodically and intermittently conveyed one by one. The specific structure may be that the depth of the first driving tooth row w2 and the second driving tooth row 3223 is greater than or equal to the maximum depth of the positioning groove w1, so as to ensure that the second driving wheel 322 runs smoothly at the joint of the positioning groove w1 and the first driving tooth row w 2. The specific structure may be that the driving rod 3212 has a protruding portion protruding from the corresponding arc bottom, and the protruding portion is used for the toggle block 3222 to toggle.

Preferably, the power device further comprises a chain limiting device 332 for limiting the power chain 331; power chain 331 has an upper single chain 3311 above each drive gear 323 and a lower single chain 3312 below each drive gear 323; the chain stopper 332 includes a stopper base plate 3323 parallel to the plane of each of the driving gears 323, an upper stopper plate 3321 connected to the upper portion of the stopper base plate 3323 and positioned above each of the driving gears 323 to restrict the upper chain 3311, and a lower stopper plate 3322 connected to the lower portion of the stopper base plate 3323 and positioned below each of the driving gears 323 to restrict the lower chain 3312. In the actual working process, the upper limit plate 3321 can limit the upper single chain 3311 of the power chain 331, so that the upper single chain 3311 and each power gear 333 are always kept engaged, and the falling-off condition caused by the loosening of the power chain 331 is avoided; the lower limit plate 3322 can limit the lower chain 3312 of the power chain 331, so that the lower chain 3312 and the power gears 333 are always engaged, and the lower chain 3312 does not fall off due to the loosening of the power chain 331.

Preferably, the upper limiter plate 3321 has an upper limiter groove formed at a lower edge thereof for receiving the upper chain 3311, and the lower limiter plate 3322 has a lower limiter groove formed at an upper edge thereof for receiving the lower chain 3312. In the actual working process of the invention, the upper limiting plate 3321 limits the upper single chain 3311 by means of the upper limiting groove, the lower limiting plate 3322 limits the lower single chain 3312 by means of the lower limiting groove, and the upper single chain 3311 and the lower single chain 3312 are limited in all directions and are not easy to fall off.

Preferably, the chain spacing device 332 further comprises a spacing support bracket supporting the spacing base plate 3323.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. A high-efficiency bidirectional rotary cutting assembly line comprises a rotary cutting part, a feeding part for supplying logs to the rotary cutting part, and a conveying part for conveying logs to the feeding part; the rotary cutting part comprises a positioning rotating mechanism for positioning and rotationally driving the log and a rotary cutting mechanism for rotary cutting the log; the method is characterized in that: the rotary cutting mechanism comprises a first rotary cutting mechanism positioned on one side of the log and a second rotary cutting mechanism positioned on the other side of the log;

the second rotary cutting mechanism comprises a second rotary cutting device, a second early-stage conveying device which is positioned at the downstream of the second rotary cutting device and used for conveying the wood chips, a second cutting platform which is positioned at the downstream of the second early-stage conveying device, a second flattening device which is positioned above the second early-stage conveying device and used for flattening the wood chips, a third flattening device which is positioned above the second cutting platform and used for flattening the wood chips, a second cutting device which is positioned above the second cutting platform and used for cutting the wood chips, a second later-stage conveying device which is positioned at the downstream of the second cutting platform and a second arraying device which is positioned at the downstream of the second later-stage conveying device and used for arraying the wood chips; the second rotary cutting device comprises a second rotary cutter which gradually inclines towards the log direction from top to bottom and a second forward and backward driving device which is positioned above the second rotary cutter and drives the second rotary cutter to advance and retreat; the second early-stage conveying device comprises a second early-stage conveying belt, a second early-stage running motor for driving the second early-stage conveying belt and a second early-stage support for supporting the second early-stage conveying belt; the second paving device comprises a second hollow jet plate which is horizontally arranged and a second inflation component which inflates air into the second hollow jet plate; the second hollow air injection plate comprises a second air injection bottom plate positioned at the lower part and a second air injection inclined plate for injecting air towards the lower part of the second rotary cutter; the second air injection bottom plate is provided with a plurality of second bottom air holes, the second air injection inclined plate is gradually inclined towards the second rotary cutter from bottom to top, and the second air injection inclined plate is filled with a plurality of second side air holes; the third paving device comprises a third hollow jet plate which is horizontally arranged and a third inflation component which inflates air into the third hollow jet plate; the third hollow air injection plate comprises a third air injection bottom plate positioned at the lower part and a third air injection inclined plate for injecting air towards the lower part of the second cutting knife; the third air injection bottom plate is provided with a plurality of third bottom air holes, the third air injection inclined plate is gradually inclined from bottom to top towards the direction of the second cutting knife, and the third air injection inclined plate is filled with a plurality of third side air holes; the second cutting device comprises a second cutting knife positioned at the lower part and a second cutting driving device positioned at the upper part and used for driving the second cutting knife; the second later-stage conveying device comprises a second later-stage conveying belt, a second later-stage operation motor for driving the second later-stage conveying belt and a second later-stage support for supporting the second later-stage conveying belt; the second arraying device comprises a second arraying conveying belt, a second arraying operating motor for driving the second arraying conveying belt, a second arraying bearing frame for bearing the second arraying conveying belt, a second arraying supporting frame for supporting the second arraying conveying belt and a second swinging driving device for swinging and driving the second arraying bearing frame; the second arraying conveying belt is provided with a second input end corresponding to the second later-stage conveying device and a second output end at the other end; the second Row line support frame is supported at the second input end, and the second input end is connected with the upper end of the second Row line support frame through a third rotating shaft, so that the second Row line conveyer belt can be turned over up and down; the second swing driving device is a fluid pressure cylinder supported below the second array bearing frame, and the second array bearing frame is connected with the upper end of the second swing driving device through a fourth rotating shaft parallel to the third rotating shaft.

2. The efficient bidirectional rotary cutting assembly line of claim 1, wherein: the length direction of the first air injection sloping plate is parallel to a log, the cross section of the first air injection sloping plate is in a circular arc shape bulging towards the lower part of the first cutting knife, and the lower end of the first air injection sloping plate is tangent to the horizontal plane where the first air injection bottom plate is located; the length direction of the second air injection sloping plate is parallel to a log, the cross section of the second air injection sloping plate is in a circular arc shape bulging towards the lower part of the second rotary cutter, and the lower end of the second air injection sloping plate is tangent to the horizontal plane where the second air injection bottom plate is located; the length direction of the third air injection inclined plate is parallel to a log, the cross section of the third air injection inclined plate is in a circular arc shape bulging towards the lower portion of the second cutting knife, and the lower end of the third air injection inclined plate is tangent to the horizontal plane where the third air injection bottom plate is located.

3. The efficient bidirectional rotary cutting assembly line of claim 2, wherein: the first air inflation component comprises a first fan and a first air vent pipe connected between the first fan and the first hollow air injection plate; the second air inflation component comprises a second fan and a second vent pipe connected between the second fan and the second hollow air injection plate; the third inflation component comprises a third fan and a third air through pipe connected between the third fan and the third hollow air injection plate.

4. A high-efficiency bidirectional rotary cutting assembly line according to claim 3, wherein: the third air inflation component and the second air inflation component share the same fan.

5. The efficient bidirectional rotary cutting assembly line of claim 1, wherein: the third rotating shaft is parallel to the first rotating shaft.

6. The efficient bidirectional rotary cutting assembly line of claim 1, wherein: the first rotary cutting mechanism further comprises a first wood chip containing device located at the downstream of the first arraying device, and the second rotary cutting mechanism further comprises a second wood chip containing device located at the downstream of the second arraying device.

7. The efficient bidirectional rotary cutting assembly line of claim 6, wherein: the first wood chip containing device comprises a first containing support and at least two layers of first containing flat plates; gaps are reserved between the adjacent first containing flat plates; the second wood chip containing device comprises a second containing support and at least two layers of second containing flat plates; and gaps are reserved between the adjacent second containing flat plates.

8. A high-efficiency bidirectional rotary cutting assembly line according to any one of claims 1-7, wherein: the feeding part comprises a feeding conveying belt conveyed towards the positioning rotating mechanism, a feeding supporting frame for bearing the feeding conveying belt and a plurality of limiting supporting bars arranged on the feeding conveying belt; the limiting support bar is perpendicular to the feeding conveying belt, and a limiting groove for placing logs is formed in the upper surface of the limiting support bar.

9. The efficient bidirectional rotary cutting assembly line of claim 8, wherein: the feeding support frame is provided with a first feeding side edge corresponding to the conveying part and a second feeding side edge positioned on the other side; and the second feeding side edge is provided with a vertical baffle which is vertically arranged, and the vertical baffle is parallel to the feeding conveying belt.

10. The efficient bidirectional rotary cutting assembly line of claim 9, wherein: the conveying part comprises a conveying execution device for conveying the logs and a conveying driving device for driving the conveying execution device; the conveying execution device comprises a plurality of conveying units parallel to the feeding conveying belt; the conveying unit comprises a conveying rotating shaft parallel to the feeding conveying belt and a plurality of conveying wheels coaxially arranged along the conveying rotating shaft; a rotating gap is formed between adjacent conveying wheels on the same conveying rotating shaft, the conveying wheels of adjacent conveying units are arranged in a staggered mode, and the conveying wheels extend into the rotating gap of the adjacent conveying units; four conveying grooves which are uniformly distributed around the axis are formed on the periphery of the conveying wheel, and the conveying grooves of the conveying wheel on the same conveying rotating shaft correspond to the axis direction of the conveying rotating shaft; the conveying grooves on the same conveying wheel are respectively a first conveying groove, a second conveying groove, a third conveying groove and a fourth conveying groove which are adjacent in sequence, and the first conveying grooves of the conveying units face to the same direction;