CN109454712B

CN109454712B - Log processing production line

Info

Publication number: CN109454712B
Application number: CN201811549422.9A
Authority: CN
Inventors: 宁新广
Original assignee: Penglai Zhengtai Wood Industry Co ltd
Current assignee: Penglai Zhengtai Wood Industry Co ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2024-07-23
Anticipated expiration: 2038-12-18
Also published as: CN109454712A

Abstract

The invention relates to a log processing production line, which comprises a log feeding machine, a log righting conveying mechanism and a log epidermis sawing system, wherein the log feeding machine, the log righting conveying mechanism and the log epidermis sawing system are sequentially arranged along the wood conveying direction, the log feeding machine conveys logs to the log righting conveying mechanism, and the logs are conveyed to the log epidermis sawing system after being righted by the log righting conveying mechanism; the log righting conveying mechanism comprises a righting mechanism and a first longitudinal conveying mechanism, wherein the righting mechanism comprises two rows of adjusting wheels which are arranged in parallel and an adjusting wheel driving mechanism which enables the two rows of adjusting wheels to rotate in the same direction, each row of adjusting wheels comprises a plurality of adjusting wheels which are arranged at equal intervals, and each row of adjusting wheels is respectively arranged on one wheel shaft; the log is placed on two rows of adjusting wheels, and the gap between the two rows of adjusting wheels is smaller than the diameter of the log; the first longitudinal conveying mechanism is arranged between two rows of the adjusting wheels and below the adjusting wheels; can realize the automated processing of log, machining efficiency is high.

Description

Log processing production line

Technical Field

The utility model relates to a log processing production line.

Background

When sawing the log into boards on the log processing production line, generally, sawing two sides of the log for multiple times, then sawing the other two sides of the log for multiple times to obtain square timber without skin, wherein the square timber is also called square timber, and finally sawing the square timber into boards required in the market;

The existing log processing production line has the main problems that more manual places are needed, the labor cost is high, and the following aspects are embodied:

1) The log feeding mechanism is required to convey the log onto the sawing line, the log has the diameter of 200mm to 500 mm, the length of more than 4m, the weight is large, and the log is difficult to feed by manual movement. The conventional method is that the log is grabbed one by the crane and put on the sawing line for sawing, and the method is low in efficiency, high in labor intensity, and easy to cause casualties, and manual assistance is needed;

2) Most logs are not straight in profile and have radians with different degrees, the log feeding mechanism is used for placing logs on a log conveying line and conveying the logs through a chain, when the logs are bent to one side, the chain support is deviated to one side of the logs, an upper pressing mechanism is generally arranged above the logs, and the upper pressing mechanism is deviated from the central line of the logs instead of the central position, so that the support and pressing of the logs are unstable; the log is conveyed to the band sawing machine through the conveying mechanism, two sides of the log are directly sawed, and as the log is bent to one side, more timber is sawed on one side, less timber is sawed on the other side, the lower part of the log is of an arc structure, the supporting part of the chain is smaller, the log is easy to turn over, the subsequent working procedure is difficult to carry out, the sawing efficiency of the log is lower, and the log has larger potential safety hazard;

3) When the log is firstly skinned, the formed skin plate is generally waste, but in order to obtain regular square log, the skin of the log is generally required to be sawn for a plurality of times, and from the second sawing, the formed skin plate with the skins at two sides is a usable plate, but the skins at two sides are required to be removed to obtain a regular rectangular plate; in the prior art, generally, the skin plates with skins at two sides fall off from two sides of the sawing line, and are manually moved to other stations to perform the skin removing work, so that the work intensity is very high, and time and labor are wasted;

4) Because the log transportation is deposited the in-process, external environment leads to silt to mix with in the log epidermis, adopts vertical band saw to saw cut it, can direct contact silt when saw cutting the saw band of band saw, leads to the saw band wearing and tearing to accelerate, and it is frequent to change the saw band, and the maintenance cost is higher.

Disclosure of utility model

The utility model provides a log processing production line capable of realizing full-automatic processing aiming at the defects of the prior art.

The technical scheme for solving the technical problems is as follows: the log processing production line comprises a log feeding machine, a log righting conveying mechanism and a log surface sawing system which are sequentially arranged along the wood conveying direction, wherein the log feeding machine conveys logs to the log righting conveying mechanism, and the logs are conveyed to the log surface sawing system after being righted by the log righting conveying mechanism;

The log righting conveying mechanism comprises a righting mechanism and a first longitudinal conveying mechanism, wherein the righting mechanism comprises two rows of regulating wheels which are arranged in parallel and a regulating wheel driving mechanism which enables the two rows of regulating wheels to rotate in the same direction, each row of regulating wheels comprises a plurality of regulating wheels which are arranged at equal intervals, and each row of regulating wheels is respectively arranged on one wheel shaft; the log is placed on two rows of adjusting wheels, and the gap between the two rows of adjusting wheels is smaller than the diameter of the log;

The first longitudinal conveying mechanism is arranged between the two rows of adjusting wheels and below the adjusting wheels.

The beneficial effects of the utility model are as follows: two rows of adjusting wheels rotate towards the same direction, the log with an arc-shaped structure is adjusted to be in an upward bow shape, so that a conveying mechanism at the lower part of the log can be pressed into the surface skin of the log, the teeth on the chain are pressed into the surface skin of the log to be different according to different bending degrees of the log, the upper part of the log can be used for pressing the log by using an upper pressing wheel, the upper pressing wheel is pressed in the middle of the log, and after sawing, the log cannot roll over, so that the sawing safety and efficiency can be improved.

Further, the two rows of adjusting wheels are respectively marked as a first row of adjusting wheels and a second row of adjusting wheels, wherein the first row of adjusting wheels is arranged on a first wheel shaft, and the second row of adjusting wheels is arranged on a second wheel shaft.

Further, adjustment wheel actuating mechanism includes the motor to and first linkage wheel and the second linkage wheel that set up side by side, the output shaft of first linkage wheel and motor, first linkage wheel and second linkage wheel are connected through first chain, the front end of first shaft is equipped with the third linkage wheel, the front end of second shaft is equipped with the fourth linkage wheel, first linkage wheel and third linkage wheel pass through the second chain connection, second linkage wheel and fourth linkage wheel pass through the third chain connection.

Further, the adjusting wheel is a sprocket or a gear which is transversely arranged.

Further, the first chain is horizontally arranged, and the second chain and the third chain are inclined chains which are symmetrically arranged.

Further, the righting mechanism further comprises an adjusting wheel mounting frame, and the adjusting wheel driving mechanism is mounted on the adjusting wheel mounting frame.

Further, the motor is mounted on the adjustment wheel mounting frame, and the first wheel shaft and the second wheel shaft are mounted on the adjustment wheel mounting frame through bearings respectively.

Further, log normal position conveying mechanism still includes base and first elevating system, first elevating system includes first cylinder and a plurality of connecting rod of locating between regulating wheel mounting bracket and the base, first cylinder is including two that set up from front to back, the cylinder body of first cylinder with the base is articulated, the piston rod of first cylinder with the regulating wheel mounting bracket is articulated, a plurality of the both ends of connecting rod respectively with base and regulating wheel mounting bracket are articulated.

Further, the plurality of connecting rods are arranged between the front first cylinder and the rear first cylinder.

Further, the first longitudinal conveying mechanism comprises a conveying groove, a conveying chain and two groups of longitudinal chain wheels, the conveying groove is supported on the base, the two groups of longitudinal chain wheels are respectively arranged at two ends of the conveying groove, the conveying chain is supported in the conveying groove and surrounds the longitudinal chain wheels, and the conveying groove is positioned between the two rows of adjusting wheels.

Further, log feeding machine includes the material loading frame, locates first horizontal conveying mechanism and upset baffle on the material loading frame, the upset baffle is located first horizontal conveying mechanism's rear end, first horizontal conveying mechanism includes a plurality of horizontal sprocket assemblies and a horizontal sprocket drive arrangement that set up side by side, the upset baffle with the material loading frame rotatable coupling, just the upset baffle with locate the upset actuating mechanism on the material loading frame is connected, the upset actuating mechanism drives the upset baffle back-and-forth rotation.

Further, the upper portion of upset baffle is equipped with the arc recess.

The beneficial effects of adopting the further technical scheme are as follows: the arc-shaped groove is matched with the log, and can just pull one log, so that the log can smoothly enter the log conveying line.

Further, the arc-shaped groove of the turnover baffle is connected with a chain wheel positioned at the rear end in the first transverse chain wheel assembly.

The beneficial effects of adopting the further technical scheme are as follows: the arc-shaped groove is connected with the chain wheel at the rear end, so that the log can smoothly enter the arc-shaped groove, and the phenomenon of sliding or blocking cannot occur.

Further, the upset baffle includes a plurality of, be equipped with the cross axle on the material loading frame, a plurality of upset baffle fixed mounting is in on the cross axle, just upset baffle with first horizontal sprocket assembly staggers each other.

The beneficial effects of adopting the further technical scheme are as follows: when the overturning baffle plate and the first transverse chain wheel assembly are staggered, the overturning baffle plate can be prevented from interfering with a chain wheel at the rear end when the overturning baffle plate overturns forwards.

Further, the turnover driving mechanism is a second air cylinder, the cylinder body of the second air cylinder is arranged on the feeding frame, and the piston rod of the second air cylinder is hinged with the lower end of the front part of the turnover baffle plate.

The beneficial effects of adopting the further technical scheme are as follows: the cylinder is adopted as the overturning driving mechanism, so that the structure is simple and the use is convenient.

Further, the log skin sawing system comprises a primary sawing line, a secondary sawing line and a wood overturning centering device arranged between the primary sawing line and the secondary sawing line;

the first-stage sawing line comprises a second longitudinal conveying mechanism and at least one first-stage double-vertical band saw machine arranged on two sides of the second longitudinal conveying mechanism, the second longitudinal conveying mechanism is arranged below a saw band of the first-stage double-vertical band saw machine, and wood sawed by the first-stage sawing line is marked as skin wood on two sides;

the timber overturning and centering device comprises an overturning mechanism and a centering mechanism, wherein the overturning mechanism can push timber sawed by a primary sawing line to overturn by 90 degrees, and the centering mechanism can center the position of the timber after overturning by 90 degrees;

The second-level sawing line comprises a third longitudinal conveying mechanism and at least one second-level double-vertical band sawing machine arranged on two sides of the third longitudinal conveying mechanism, the third longitudinal conveying mechanism is arranged below a saw band of the second-level double-vertical band sawing machine, and the centered wood is sawed by the second-level sawing line to form square wood.

Further, the log skin sawing system further comprises a sawing frame, and the primary sawing line, the secondary sawing line and the wood overturning centering device are all installed on the sawing frame.

Further, the one-stage double-vertical band saw comprises a plurality of saw wheels, wherein the saw wheels are sequentially arranged along the wood conveying direction, and the saw wheel spacing of the one-stage double-vertical band saw is gradually reduced.

Further, a first circular saw blade is arranged in front of the first one-stage double-vertical band saw in the first-stage saw tangent line, and the first circular saw blade is aligned with the saw band on the inner side of the first one-stage double-vertical band saw.

The beneficial effects of adopting the further technical scheme are as follows: the first circular saw blade is arranged in front of the saw belt at the inner side of the first-stage vertical band saw machine, and a guide groove is sawn on the surface of the log by the first circular saw blade before sawing the saw belt, so that the surface of the log can be cleaned, the band saw blade is greatly protected, and the service life is greatly prolonged;

In addition, the log is round in appearance, the saw belt cuts on the arc inclined plane in the log sawing process, the band saw blade is easy to deviate when the feeding speed is high, and after the guide groove is sawn in advance by the circular saw blade, the band saw blade saw cuts along the guide groove, thereby solving the defect of inclined plane cutting and better improving sawing quality and efficiency

Further, the direction of the linear velocity of the lower end of the first circular saw blade is opposite to the conveying direction of the raw wood.

The beneficial effects of adopting the further technical scheme are as follows: since the direction of the linear velocity at the lower end of the first circular saw blade is opposite to the conveying direction of the raw wood, when the first circular saw blade saw cuts the raw wood, the first circular saw blade is cut from inside to outside, namely cut from inside to the surface skin, and the abrasion to the first circular saw blade is light.

Further, the two-stage double-vertical band saw comprises a plurality of two-stage double-vertical band saw which are sequentially arranged along the wood conveying direction, and the distance between saw wheels of the two-stage double-vertical band saw is gradually reduced.

Further, the first-stage double-vertical band saw and the second-stage double-vertical band saw respectively comprise two vertical band saw bodies, and the two vertical band saw bodies are connected through a screw.

Further, tilting mechanism include third horizontal conveying mechanism, with the first conveying bearing roller and the drive that third horizontal conveying mechanism interval set up the sixth cylinder of horizontal conveying mechanism upset, horizontal conveying mechanism includes second horizontal sprocket and third horizontal sprocket, and connects horizontal chain of second horizontal sprocket and third horizontal sprocket, on horizontal sprocket mounting bracket is installed to second horizontal sprocket and third horizontal sprocket, the upper end of first conveying bearing roller is higher than the upper end of horizontal chain, the cylinder body of sixth cylinder is installed saw cut in the frame, the piston rod of sixth cylinder is articulated with one side of horizontal sprocket mounting bracket.

The beneficial effects of adopting the further technical scheme are as follows: before overturning, the height of the transverse chain is positioned at the lower end of the wood, the wood cannot be contacted, when the wood needs to be overturned, the sixth cylinder jacks up one side of the transverse chain wheel mounting frame, the chain contacts with circular arcs below the sawn wood at two sides, then the second chain wheel and the third chain wheel drive the transverse chain to rotate, the transverse chain drives the wood to rotate for 90 degrees to fall down, the second chain wheel and the third chain wheel stop rotating, and the sixth cylinder contracts the chain wheel frame to descend to separate from the wood, so that the overturning of the wood is completed; simple structure does not need manual assistance.

Further, one side of the third transverse chain wheel is also provided with a stop lever.

The beneficial effects of adopting the further technical scheme are as follows: prevent timber from falling down due to overlarge overturning amplitude after being sawed by the primary sawing line.

Further, the timber upset centering device still includes fourth vertical conveying mechanism, fourth vertical conveying mechanism adopts the second to carry the bearing roller.

Further, centering mechanism includes base, a pair of engaged with gear and a pair of centering rod of fixing on the gear, the gear passes through the gear shaft to be installed on the base, a pair of centering rod is equipped with centering rod actuating mechanism between the centering rod, centering rod drive can drive a pair of centering rod opens and shuts.

Further, the gear adopts a sector gear.

Further, the centering rod driving mechanism adopts a third cylinder.

Further, the centering rod is fixed on the gear through a connecting rod.

Further, a bearing is arranged between the gear and the base.

Further, the timber upset centering device includes two at least centering mechanisms, centering mechanism sets up between two adjacent second conveying bearing rollers of fourth vertical conveying mechanism, and centering rod passes the top of fourth vertical conveying mechanism's second conveying bearing roller.

The beneficial effects of adopting the further technical scheme are as follows: the turned wood can be centered and then continuously conveyed to the secondary sawing wire, so that the two-side surface skins which are not sawed off can be sawed off by the secondary sawing wire, and sawing deflection is avoided.

Further, the wood pressing device further comprises an upper pressing mechanism arranged above the first longitudinal conveying mechanism, the second longitudinal conveying mechanism and the third longitudinal conveying mechanism, and the upper pressing mechanism is used for pressing wood on the first longitudinal conveying mechanism, the second longitudinal conveying mechanism and the third longitudinal conveying mechanism.

Further, upper portion swager constructs including the crossbeam and locates the swager subassembly on the crossbeam, the crossbeam is located log normal position conveying mechanism and log epidermis saw cut the top of system, the swager subassembly includes swager wheel, swager pole and adjustment mechanism, the upper end of swager pole with the crossbeam is articulated, and the lower extreme is installed the swager wheel of going up, adjustment mechanism sets up the crossbeam with between the swager pole, adjustment mechanism can drive the swager pole rotates from top to bottom.

Further, the adjusting mechanism comprises a fourth air cylinder, a stroke adjusting rod and a damping and shock absorbing rod, the cylinder body of the fourth air cylinder is connected with the cross beam, and the piston rod of the fourth air cylinder is hinged with the material pressing rod; the lower end of the stroke adjusting rod is hinged with the pressing rod, and the upper end of the stroke adjusting rod penetrates through the cross beam; and two ends of the damping shock absorption rod are respectively hinged with the cross beam and the pressing rod.

Further, the damping shock rod is made of rubber.

Further, the damping shock rod adopts a gas-liquid damping shock rod.

Further, the upper pressing wheel is a smooth wheel.

Further, the upper pressing wheel is a gear or a chain wheel.

The beneficial effects of adopting the further technical scheme are as follows: the pressing wheel adopts gears or chain wheels to increase friction between the pressing wheel and the log skin, so that a better pressing effect is achieved.

Further, the log skin sawing system further comprises a lateral pressing mechanism arranged on two sides of the second longitudinal conveying mechanism and the third longitudinal conveying mechanism, the lateral pressing mechanism comprises a swinging arm and a swinging arm driving mechanism for driving the swinging arm to rotate, one end of the swinging arm is provided with a lateral pressing wheel, and the lateral pressing wheel is used for pressing a log from the side surface to form a plate separated from the log after sawing.

The beneficial effects of adopting the further technical scheme are as follows: in the process of blanking, the lateral blanking mechanism can compress the cut plate, so that the plate falls off at a preset position, and the plate is convenient to collect and process subsequently; before the plate reaches the preset position, the plate is extruded with the cut log together, and cannot spring outwards, so that the plate is convenient to convey.

Further, the other end of the swing arm is rotatably connected with the sawing frame through a rotating shaft.

Further, when the lateral pressing wheels press the surface plates on two sides of the log, an included angle between the swing arm and the axis of the log is smaller than 90 degrees, so that the log is convenient to convey.

Further, the swing arm driving mechanism is a fifth air cylinder, a cylinder body of the fifth air cylinder is fixed on the sawing frame, a piston rod of the fifth air cylinder is hinged with the swing arm, and an ear plate hinged with the piston rod of the fifth air cylinder is arranged on the swing arm.

Further, the side pressing wheel comprises two coaxially arranged side pressing wheels.

Further, the square timber sawing system is further included, and after square timber formed by the secondary sawing line is sawed by the square timber sawing system, a plurality of wide plates can be formed at one time.

Further, the square timber sawing system comprises a plurality of horizontal band sawing machines which are sequentially arranged along the square timber conveying direction, and the heights of saw bands of the plurality of horizontal band sawing machines are gradually increased or gradually decreased.

The surface plate sawing system is arranged on the side surfaces of the primary sawing line and the secondary sawing line, and comprises a surface plate feeding mechanism and a surface plate cutting line;

The surface plate feeding mechanism comprises a bottom frame and a second transverse conveying mechanism arranged above the bottom frame, a second lifting mechanism for driving the second transverse conveying mechanism to lift is arranged on the bottom frame, a plurality of surface plate baffles vertically arranged and a plurality of horizontally arranged supporting steering plates are arranged at the output end of the second transverse conveying mechanism, the supporting steering plates are driven by a rotating mechanism to rotate, and the surface plate baffles, the supporting steering plates and the rotating mechanism are all arranged on the bottom frame;

the skin plate cutting line comprises a fifth longitudinal conveying mechanism and saw blades arranged on two sides of the fifth longitudinal conveying mechanism.

The beneficial effects of adopting the further technical scheme are as follows: the plate material that holds in palm material steering plate and epidermis board baffle combined action made can be stable fall on the conveying line, does not need manual work to assist, is convenient for realize automaticly, can improve efficiency greatly.

Further, the second transverse conveying mechanism comprises a plurality of transverse conveying chain mechanisms which are arranged in parallel, and when the material supporting steering plate is in the transverse direction, the material supporting steering plate and the transverse conveying chain mechanisms are staggered.

Further, the epidermis board baffle with hold in palm the material and turn to the board all set up in one side of fifth vertical conveying mechanism, the transfer chain is used for carrying panel extremely saw cut in saw bit department, fifth vertical conveying mechanism sets up the output of second horizontal conveying mechanism, just epidermis board baffle with hold in the palm the material turns to the board and set up one side that the transfer chain kept away from second horizontal conveying mechanism.

Further, the steering mechanism is a rotary cylinder, the rotary cylinder is connected with one end of the material supporting steering plate, and the rotary cylinder is arranged on the underframe.

Further, the steering mechanism comprises a push-pull air cylinder and a plurality of rotating shafts, the upper ends of the rotating shafts are fixedly connected with the material supporting steering plates, the lower ends of the rotating shafts are rotatably connected with the underframe, each rotating shaft is respectively provided with a rotating rod, the rotating rods are connected through connecting rods, the cylinder body of the push-pull air cylinder is mounted on the underframe, and the piston of the push-pull air cylinder is hinged to the connecting rods or the rotating rods.

Further, the fifth longitudinal conveying mechanism comprises a main conveying chain, a second circular saw blade and an auxiliary conveying chain, wherein the second circular saw blade is symmetrically arranged on two sides of the main conveying chain, the auxiliary conveying chain is positioned behind the second circular saw blade, the auxiliary conveying chain is arranged on two sides of the main conveying chain, and the auxiliary conveying chain is used for conveying cut skin plates.

Further, the skin plate cutting line further comprises at least two centering mechanisms, and two centering rods of the centering mechanisms extend upwards to two sides of the main conveying chain respectively.

Further, the main conveying chain comprises a first main chain wheel, a second main chain wheel and a main chain bar connected with the first main chain wheel and the second main chain wheel, the auxiliary conveying chain comprises a first auxiliary chain wheel, a second auxiliary chain wheel and an auxiliary chain connected with the first auxiliary chain wheel and the second auxiliary chain wheel, and the second auxiliary chain wheel and the second main chain wheel are coaxially arranged.

Further, the first main chain wheel or the second main chain wheel is a driving chain wheel and is driven to rotate by a motor, the motor is arranged on the sawing frame, and the first auxiliary chain wheel and the second auxiliary chain wheel are driven chain wheels.

Further, the width of the primary chain is greater than the width of the secondary chain.

Further, at least one upper pressing mechanism located above the main chain is arranged in front of the second circular saw blade, at least one upper pressing mechanism located above the main chain and the auxiliary chain is arranged at the rear of the second circular saw blade, and the width of an upper pressing wheel of the upper pressing mechanism in front of the second circular saw blade is smaller than that of an upper pressing wheel of the upper pressing mechanism behind the second circular saw blade.

The beneficial effects of adopting the further technical scheme are as follows: the epidermis board is through the cutting of second saw blade back, compresses tightly through the last swager wheel at second saw blade rear, until carrying to predetermined position, and regular rectangle panel falls simultaneously to discharge mechanism with the strip shaped plate of epidermis of both sides cut off, again manual sorting can, only needs alone can accomplish the unloading of panel, and efficiency is higher, and need not select epidermis board in the both sides of the vertical conveying mechanism of fifth, and the security also improves greatly.

Further, the surface plate sawing system further comprises a plate unloading mechanism, the surface plate is sawed through the surface plate sawing line to form rectangular plates, and the rectangular plates are uniformly unloaded through the plate unloading mechanism, so that the efficiency is high.

The automatic cutting machine further comprises two cutting plate conveying mechanisms, wherein the two cutting plate conveying mechanisms are respectively arranged at the rear parts of the first-stage double-vertical band saw and the first-stage double-vertical band saw, and the cutting plate conveying mechanisms adopt conveying belts which are transversely arranged; the veneer is a sheet of log first sawn, which is typically scrap.

Drawings

FIG. 1 is a structural layout of the present utility model;

figure 2 is a schematic diagram of a log feeder according to the present utility model;

FIG. 3 is a top view of FIG. 2;

Figure 4 is a diagram showing the operation of the log feeder of the present utility model;

FIG. 5 is a top view of FIG. 4;

figure 6 is a schematic diagram of the log righting transport mechanism with the upper hold-down mechanism omitted in the present utility model;

FIG. 7 is a schematic diagram of a positioning mechanism according to the present utility model;

FIG. 8 is a schematic view of FIG. 7 in the direction A;

figure 9 is a schematic view of the log righting transport mechanism with the righting mechanism omitted;

figure 10 is a schematic view showing a state where the side pressing mechanism presses the raw wood in the present utility model;

FIG. 11 is a schematic cross-sectional view taken along the direction B-B of FIG. 10;

FIG. 12 is a schematic view of the structure of the skin sawing system of the present utility model;

FIG. 13 is a schematic view of a feeding mechanism for a skin plate according to the present utility model;

FIG. 14 is a top view of FIG. 13;

FIG. 15 is a schematic view of the skin sawing system of the present utility model with the skin in place;

FIG. 16 is a top view of FIG. 15;

FIG. 17 is a schematic view of the cut line of the skin plate according to the present utility model;

FIG. 18 is a schematic cross-sectional view taken along the direction C-C in FIG. 17;

FIG. 19 is a top view of a sheet discharge mechanism of the present utility model;

FIG. 20 is a left side view of FIG. 19;

FIG. 21 is a schematic view of the structure of the housing of the sheet unloading mechanism of the present utility model;

FIG. 22 is a schematic view of a centering mechanism according to the present utility model;

FIG. 23 is a schematic view of the centering mechanism of the present utility model applied to a skin cutting conveyor line;

FIG. 24 is a schematic view of a turnover mechanism according to the present utility model;

In the drawings, the list of component names indicated by the respective reference numerals is as follows: 1. 1-1 parts of log feeding machine, 1-2 parts of feeding rack, 1-3 parts of first transverse conveying mechanism, 1-4 parts of turnover baffle plate, 1-5 parts of transverse shaft and second cylinder;

2. The log righting conveying mechanism comprises 2-1 parts of a base, 2-2 parts of a first cylinder, 2-3 parts of a connecting rod, 2-4 parts of an adjusting wheel mounting frame, 2-5 parts of a motor, 2-6 parts of a first connecting wheel, 2-7 parts of a third connecting wheel, 2-8 parts of a first wheel shaft, 2-9 parts of a first row of adjusting wheels, 2-10 parts of a first longitudinal conveying mechanism, 2-11 parts of a first longitudinal conveying mechanism, 2-12 parts of a second connecting wheel, 2-13 parts of a first chain, 2-14 parts of a fourth connecting wheel, 2-15 parts of a second row of adjusting wheels, 2-16 parts of a second wheel shaft, 2-17 parts of a second chain, 2-18 parts of a third chain;

3a, a first-stage double-vertical band saw machine, 3b, a second-stage double-vertical band saw machine,

4. A cutting board conveying mechanism;

5. The device comprises a surface plate feeding mechanism, a chassis, a transverse frame, a transverse conveying mechanism, a supporting steering plate, a lifting mechanism, a surface plate baffle and a lifting mechanism, wherein the surface plate feeding mechanism, the chassis, the transverse frame, the transverse conveying mechanism, the lifting mechanism and the lifting mechanism are sequentially arranged in sequence, and the surface plate feeding mechanism, the lifting mechanism and the lifting mechanism are sequentially arranged in sequence;

6. The cutting line of the surface plate, 6-1, a main conveying chain, 6-2, an auxiliary conveying chain, 6-3, a second circular saw blade mounting frame, 6-4 and a second circular saw blade;

7. The plate unloading mechanism comprises 7-1 parts of plate unloading mechanisms, 7-2 parts of unloading frames, 7-3 parts of deflector rods, 7-4 parts of deflector rod driving mechanisms, 7-41 parts of material receiving shells, 7-42 parts of material receiving platforms, 7-411 parts of material receiving sliding plates and 7-411 parts of deflector rod strip holes;

8. The device comprises a turnover centering mechanism, 8-1, a centering mechanism, 8-11, a base, 8-12, sector gears, 8-13 and a centering rod; 8-2 parts of turnover mechanism, 8-21 parts of third transverse conveying mechanism, 8-22 parts of second transverse chain wheel, 8-23 parts of third transverse chain wheel, 8-24 parts of transverse chain, 8-25 parts of sixth cylinder, 8-26 parts of stop lever, 8-27 parts of first conveying carrier roller;

9. A lateral pressing mechanism 9-1, a swinging arm 9-2, a fifth cylinder 9-3 and a lateral pressing wheel;

10. A square timber sawing system, 10-1, a horizontal band saw;

11. a log;

12. a cross beam;

13. The upper part compressing mechanism comprises 13-1, an upper material pressing wheel, 13-2, a material pressing rod, 13-3, a stroke adjusting rod, 13-4, a fourth cylinder, 13-5 and a damping and shock absorbing rod;

14. sawing a frame;

16. a skin plate;

17. And a rectangular plate.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims.

The longitudinal direction refers to the direction along the main processing line, the transverse direction refers to the direction perpendicular to the longitudinal direction, the transverse chain wheel refers to a chain wheel with a longitudinal axis, and the longitudinal chain wheel refers to a chain wheel with a transverse axis.

As shown in fig. 1 to 24, a log processing production line comprises a log feeder 1, a log righting conveying mechanism 2 and a log skin sawing system which are sequentially arranged along a log conveying direction, wherein the log feeder 1 conveys logs 11 to the log righting conveying mechanism 2, and the logs 11 are conveyed to the log skin sawing system after being righted by the log righting conveying mechanism 2;

The log righting conveying mechanism 2 comprises a righting mechanism and first longitudinal conveying mechanisms 2-10, wherein the righting mechanism comprises two rows of adjusting wheels which are arranged in parallel and an adjusting wheel driving mechanism which enables the two rows of adjusting wheels to rotate in the same direction, each row of adjusting wheels comprises a plurality of adjusting wheels which are arranged at equal intervals, and each row of adjusting wheels is respectively arranged on one wheel shaft; the logs 11 are placed on two rows of said adjustment wheels, the gap between them being smaller than the diameter of said logs 11;

The first longitudinal conveying mechanism 2-10 is arranged between two rows of the adjusting wheels and below the adjusting wheels 2-9.

The two rows of adjusting wheels are respectively marked as a first row of adjusting wheels 2-9 and a second row of adjusting wheels 2-15, wherein the first row of adjusting wheels 2-9 are arranged on a first wheel axle 2-8, and the second row of adjusting wheels 2-15 are arranged on a second wheel axle 2-16.

The adjusting wheel driving mechanism comprises a motor 2-5, a first linkage wheel 2-6 and a second linkage wheel 2-12 which are arranged in parallel, wherein the first linkage wheel 2-6 is connected with an output shaft of the motor, the first linkage wheel 2-6 is connected with the second linkage wheel 2-12 through a first chain 2-13, a third linkage wheel 2-7 is arranged at the front end of a first wheel shaft 2-8, a fourth linkage wheel 2-14 is arranged at the front end of a second wheel shaft 2-15, the first linkage wheel 2-6 is connected with the third linkage wheel 2-7 through a second chain 2-17, and the second linkage wheel 2-12 is connected with the fourth linkage wheel 2-14 through a third chain 2-18.

The adjusting wheel is a chain wheel or a gear.

The first chains 2-13 are horizontally arranged, and the second chains 2-17 and the third chains 2-18 are symmetrically arranged inclined chains.

The righting mechanism further comprises an adjusting wheel mounting frame 2-4, the motor is mounted on the adjusting wheel mounting frame 2-4, and the first wheel shaft 2-8 and the second wheel shaft 2-15 are mounted on the adjusting wheel mounting frame 2-4 through bearings respectively.

The log righting conveying mechanism further comprises a base 2-1 and a first lifting mechanism, wherein the first lifting mechanism comprises a first air cylinder 2-2 and a plurality of connecting rods 2-3 arranged between the adjusting wheel mounting frame 2-4 and the base 2-1, the first air cylinder 2-2 comprises two arranged front and back, a cylinder body of the first air cylinder 2-2 is hinged with the base 2-1, a piston rod of the first air cylinder 2-2 is hinged with the adjusting wheel mounting frame 2-4, and two ends of the connecting rods 2-3 are respectively hinged with the base 2-1 and the adjusting wheel mounting frame 2-4.

The connecting rods 2-3 are arranged between the front and rear first cylinders 2-2.

The first longitudinal conveying mechanism 2-10 comprises a conveying groove, a conveying chain and two groups of longitudinal chain wheels, wherein the conveying groove is supported on the base 2-1, the two groups of longitudinal chain wheels are respectively arranged at two ends of the conveying groove, the conveying chain is supported in the conveying groove and surrounds the longitudinal chain wheels, and the conveying groove is positioned between the two rows of adjusting wheels.

The log feeding machine 1 comprises a feeding frame 1-1, a first transverse conveying mechanism 1-2 and a turnover baffle plate 1-3, wherein the first transverse conveying mechanism 1-2 and the turnover baffle plate 1-3 are arranged on the feeding frame 1-1, the turnover baffle plate 1-3 is arranged at the rear end of the first transverse conveying mechanism 1-2, the first transverse conveying mechanism 1-2 comprises a plurality of first transverse sprocket assemblies and a first transverse sprocket driving device which are arranged in parallel, the turnover baffle plate 1-3 is rotatably connected with the rear end of the feeding frame 1-1 through a rotating shaft 1-4, the turnover baffle plate 1-3 is connected with a turnover driving mechanism arranged on the feeding frame 1-1, and the turnover driving mechanism drives the turnover baffle plate 1-3 to rotate back and forth.

The upper part of the turnover baffle plate 1-3 is provided with an arc-shaped groove.

The arc-shaped grooves of the turnover baffle plates 1-3 are connected with the chain wheels at the rear end in the first transverse chain wheel assembly.

The turnover baffle plates 1-3 comprise a plurality of turnover baffle plates, a transverse shaft 1-4 is arranged on the feeding frame, the turnover baffle plates 1-3 are fixedly arranged on the transverse shaft 1-4, and the turnover baffle plates 1-3 and the first transverse chain wheel assembly are staggered.

The overturning driving mechanism is a second air cylinder 1-5, a cylinder body of the second air cylinder 1-5 is arranged on the feeding frame 1-1, and a piston rod of the second air cylinder 1-5 is hinged with the lower end of the front part of the overturning baffle plate 1-3.

The log skin sawing system comprises a primary sawing line, a secondary sawing line and a wood overturning centering device arranged between the primary sawing line and the secondary sawing line;

The first-stage sawing line comprises a second longitudinal conveying mechanism and 4 first-stage double-vertical band sawing machines 3a arranged on two sides of the second longitudinal conveying mechanism, the second longitudinal conveying mechanism is arranged below a saw band of the first-stage double-vertical band sawing machine 3a, and wood sawed by the first-stage sawing line is marked as wood with skins on two sides;

The 4 first-stage double-vertical band sawing machines 3a are sequentially arranged along the wood conveying direction, and the saw wheel intervals of the first-stage double-vertical band sawing machines are gradually reduced;

the timber overturning and centering device comprises an overturning mechanism and a centering mechanism, wherein the overturning mechanism can push timber (the timber with two sides of the surface removed) sawed by a primary sawing line to be overturned by 90 degrees, and the centering mechanism can overturned by 90 degrees to center the positions of the timber;

the second-stage sawing line comprises a third longitudinal conveying mechanism and 3 second-stage double-vertical band sawing machines 3b arranged on two sides of the third longitudinal conveying mechanism, the third longitudinal conveying mechanism is arranged below a sawing band of the second-stage double-vertical band sawing machine 3b, and the centered wood is sawed by the second-stage sawing line to form square wood;

the 3 two-stage double-vertical band sawing machines are sequentially arranged along the wood conveying direction, and the saw wheel spacing of the two-stage double-vertical band sawing machines is gradually reduced;

the log epidermis sawing system further comprises a sawing frame, and the primary sawing line, the secondary sawing line and the timber overturning centering device are all installed on the sawing frame.

A first circular saw blade is arranged in front of the first one-stage double-vertical band saw machine 3a in the first-stage saw tangent line, and is aligned with the saw band on the inner side of the first one-stage double-vertical band saw machine 3 a.

The direction of the linear velocity of the lower end of the first circular saw blade is opposite to the conveying direction of the raw wood.

The first-stage double-vertical band saw machine 3a and the second-stage double-vertical band saw machine 3b respectively comprise two vertical band saw machine bodies, and the two vertical band saw machine bodies are connected through a screw rod.

The turnover mechanism 8-2 comprises a third transverse conveying mechanism 8-21, a first conveying carrier roller 8-27 and a sixth air cylinder 8-25, wherein the first conveying carrier roller 8-27 is arranged at intervals with the third transverse conveying mechanism 8-21, the sixth air cylinder 8-25 is used for driving the transverse conveying mechanism 8-21 to turn over, the transverse conveying mechanism 8-21 comprises a second transverse chain wheel 8-22, a third transverse chain wheel 8-23 and a transverse chain connecting the second transverse chain wheel 8-22 with the third transverse chain wheel 8-23, the second transverse chain wheel 8-22 and the third transverse chain wheel 8-23 are installed on a transverse chain wheel installation frame, the upper end of the first conveying carrier roller 8-27 is higher than the upper end of the transverse chain wheel 8-24, a cylinder body of the sixth air cylinder 8-25 is installed on the sawing frame 14, and a piston rod of the sixth air cylinder 8-25 is hinged with the transverse chain wheel installation frame (not shown in the drawing).

The timber upset centering device still includes fourth vertical conveying mechanism, fourth vertical conveying mechanism adopts the second to carry the bearing roller.

The centering mechanism comprises a base 8-11, a pair of meshed gears and a pair of centering rods 8-13 fixed on the gears, the gears are installed on the base 8-11 through gear shafts, a centering rod driving mechanism is arranged between the centering rods 8-13, and the centering rods 8-13 can drive the centering rods 8-13 to open and close.

The gears are sector gears 8-12.

The centering rod driving mechanism adopts a third air cylinder 8-15.

The centering bars 8-13 are fixed to the sector gears 8-12 by connecting bars.

Bearings are provided between the sector gears 8-12 and the bases 8-11.

The timber upset centering device 8 at least comprises two centering mechanisms 8-1, wherein the centering mechanisms 8-1 are arranged between two adjacent second conveying carrier rollers of the fourth longitudinal conveying mechanism, and the centering rod 8-13 passes through the upper parts of the second conveying carrier rollers of the fourth longitudinal conveying mechanism.

The wood pressing machine further comprises an upper pressing mechanism 13 arranged above the first longitudinal conveying mechanism, the second longitudinal conveying mechanism and the third longitudinal conveying mechanism, wherein the upper pressing mechanism 13 is used for pressing wood on the first longitudinal conveying mechanism, the second longitudinal conveying mechanism and the third longitudinal conveying mechanism.

The upper material pressing mechanism 13 comprises a beam 12 and a material pressing assembly arranged on the beam 12, the beam is arranged above the log righting conveying mechanism and the log surface sawing system, the material pressing assembly comprises an upper material pressing wheel 13-1, a material pressing rod 13-2 and an adjusting mechanism, the upper end of the material pressing rod 13-2 is hinged to the beam, the lower end of the material pressing rod is provided with the upper material pressing wheel 13-1, the adjusting mechanism is arranged between the beam and the material pressing rod 13-2, and the adjusting mechanism can drive the material pressing rod 13-2 to rotate up and down.

The adjusting mechanism comprises a fourth air cylinder 13-4, a stroke adjusting rod 13-3 and a damping and shock-absorbing rod 13-5, wherein the cylinder body of the fourth air cylinder 13-4 is connected with the cross beam 12, and the piston rod of the fourth air cylinder 13-4 is hinged with the material pressing rod; the lower end of the stroke adjusting rod 13-3 is hinged with the material pressing rod 13-2, and the upper end passes through the cross beam; both ends of the damping shock rod 13-5 are respectively hinged with the cross beam and the material pressing rod 13-2.

The damping shock rod 13-5 adopts a gas-liquid damping shock rod.

The upper pressing wheel 13-1 is a smooth wheel.

The log skin sawing system further comprises a lateral pressing mechanism 9 arranged on two sides of the second longitudinal conveying mechanism and the third longitudinal conveying mechanism, the lateral pressing mechanism 9 comprises a swing arm 9-1 and a swing arm driving mechanism for driving the swing arm 9-1 to rotate, one end of the swing arm 9-1 is provided with a lateral pressing wheel 9-3, and the lateral pressing wheel 9-3 is used for pressing a log from the side face to form a plate separated from the log 11 after sawing.

The other end of the swinging arm 9-1 is rotatably connected with the sawing frame 14 through a rotating shaft 11.

When the side pressing wheels press the surface plates on two sides of the log, the included angle between the swinging arm 9-1 and the axis of the log is smaller than 90 degrees, so that the log 11 is convenient to convey.

The swing arm driving mechanism is a fifth air cylinder 9-2, a cylinder body of the fifth air cylinder 9-2 is fixed on the sawing frame 14, a piston rod of the fifth air cylinder 9-2 is hinged with the swing arm 9-1, and an ear plate hinged with the piston rod of the fifth air cylinder 9-2 is arranged on the swing arm 9-1.

The side pressing wheel 9-3 comprises two coaxially arranged side pressing wheels.

The square timber sawing system 10 is further included, and after square timber formed by the secondary sawing line is sawed by the square timber sawing system, a plurality of wide plates can be formed at a time.

The square timber sawing system 10 comprises a plurality of horizontal band sawing machines which are sequentially arranged along the square timber conveying direction, and the heights of saw bands of the plurality of horizontal band sawing machines are gradually increased or gradually decreased.

The device further comprises a surface plate sawing system, as shown in fig. 12-21, wherein the surface plate sawing system is arranged on the side surfaces of the primary sawing line and the secondary sawing line, the surface plate sawing system is arranged between two adjacent primary double-vertical band sawing machines, the surface plate sawing system is also arranged between two adjacent secondary double-vertical band sawing machines, and the surface plate sawing system comprises a surface plate feeding mechanism 5, a surface plate cutting line 6 and a plate unloading mechanism 7;

As shown in fig. 13-16, the skin plate feeding mechanism 5 comprises a bottom frame 5-1 and a second transverse conveying mechanism 5-3 arranged above the bottom frame 5-1, the bottom frame 5-1 is provided with a second lifting mechanism 5-7 for driving the second transverse conveying mechanism 5-3 to lift, the output end of the second transverse conveying mechanism 5-3 is provided with a plurality of skin plate baffles 5-8 which are vertically arranged and a plurality of horizontally arranged material supporting steering plates 5-5, the material supporting steering plates 5-5 are driven to rotate by a rotating mechanism, and the skin plate baffles 5-8, the material supporting steering plates 5-5 and the rotating mechanism 5-6 are all arranged on the bottom frame 5-1; the skin cutting line comprises a fifth longitudinal conveying mechanism and second circular saw blades 6-4 arranged on two sides of the fifth longitudinal conveying mechanism.

The second transverse conveying mechanism 5-3 comprises a plurality of transverse conveying chain mechanisms which are arranged in parallel, and when the material supporting steering plate 5-5 is in the transverse direction, the transverse conveying chain mechanisms and the material supporting steering plate are staggered.

The surface plate baffle 5-8 and the material supporting steering plate 5-5 are arranged on one side of a fifth longitudinal conveying mechanism, the conveying line is used for conveying plates to saw cut at the saw blade, the fifth longitudinal conveying mechanism is arranged at the output end of the second transverse conveying mechanism 5-3, and the surface plate baffle 5-8 and the material supporting steering plate 5-5 are arranged on one side of the conveying line far away from the second transverse conveying mechanism.

The steering mechanism can be a rotary air cylinder, the rotary air cylinder is connected with one end of the material supporting steering plate 5-5, and the rotary air cylinder is arranged on the underframe 5-1.

The second lifting mechanism 5-7 adopts an air cylinder, the second transverse conveying mechanism 5-3 comprises a plurality of transverse conveying chains which are arranged in parallel and a transverse frame 5-2 for installing the transverse conveying chains, and the second lifting mechanism 5-7 is arranged between the transverse frame 5-2 and the underframe 5-1.

The fifth longitudinal conveying mechanism comprises a main conveying chain 6-1 and auxiliary conveying chains 6-2, the second circular saw blade 6-4 comprises two circular saw blades symmetrically arranged on two sides of the main conveying chain 6-1, the auxiliary conveying chains 6-2 are positioned behind the second circular saw blade 6-4, the auxiliary conveying chains 6-2 are arranged on two sides of the main conveying chain 6-1, and the auxiliary conveying chains 6-2 are used for conveying the cut skin plates 16; the second circular saw blade 6-3 is mounted on the second circular saw blade mounting frame 6-3 by a mounting shaft.

The cutting line of the skin plate further comprises at least two centering mechanisms 8-1, wherein two centering rods 8-13 of the centering mechanisms 8-1 extend upwards from two sides of the main conveying chain 6-1 respectively.

The main conveying chain 6-1 comprises a first main chain wheel, a second main chain wheel and a main chain bar connected with the first main chain wheel and the second main chain wheel, the auxiliary conveying chain comprises a first auxiliary chain wheel, a second auxiliary chain wheel and an auxiliary chain connected with the first auxiliary chain wheel and the second auxiliary chain wheel, and the second auxiliary chain wheel and the second main chain wheel are coaxially arranged.

The first main chain wheel or the second main chain wheel is a driving chain wheel and is driven to rotate by a motor, the motor is arranged on the frame, and the first auxiliary chain wheel and the second auxiliary chain wheel are driven chain wheels.

The width of the main chain is larger than that of the auxiliary chain.

The front of the second circular saw blade 6-4 is provided with at least one upper pressing mechanism 13 positioned above the main chain, the rear of the second circular saw blade 6-4 is provided with at least one upper pressing mechanism 13 positioned above the main chain and the auxiliary chain, and the width of an upper pressing wheel of the upper pressing mechanism in front of the second circular saw blade 6-4 is smaller than that of the upper pressing mechanism behind the second circular saw blade.

The surface plate sawing system further comprises a plate unloading mechanism 7, the surface plate 17 is sawed by the surface plate sawing line 6 to form a rectangular plate 17, and the rectangular plate 17 is uniformly unloaded by the plate unloading mechanism 7, so that the efficiency is high

The plate unloading mechanism 7 comprises an unloading frame 7-1 and a receiving shell 7-4 arranged at the receiving end of the unloading frame 7-1, the receiving shell 7-1 comprises a receiving platform 7-41 and a receiving sliding plate 7-42, at least two stirring strip holes 7-411 are formed in the receiving platform 7-41, stirring rods 7-2 which are in one-to-one correspondence with the stirring strip holes 7-411 are arranged on the unloading frame 7-1, and the stirring rods 7-2 are driven to rotate by a stirring rod driving mechanism arranged on the unloading frame 7-1. The driving mechanism 7-3 of the deflector rod adopts an air cylinder, a hydraulic cylinder or an electric cylinder.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The log processing production line is characterized by comprising a log feeding machine, a log righting conveying mechanism and a log epidermis sawing system which are sequentially arranged along the wood conveying direction, wherein the log feeding machine conveys logs to the log righting conveying mechanism, and the logs are conveyed to the log epidermis sawing system after being righted by the log righting conveying mechanism;

The first longitudinal conveying mechanism is arranged between two rows of the adjusting wheels and below the adjusting wheels;

The second-stage sawing line comprises a third longitudinal conveying mechanism and at least one second-stage double-vertical band sawing machine arranged on two sides of the third longitudinal conveying mechanism, the third longitudinal conveying mechanism is arranged below a saw band of the second-stage double-vertical band sawing machine, and the centered wood is sawed by the second-stage sawing line to form square wood;

the log skin sawing system further comprises a sawing frame, and the primary sawing line, the secondary sawing line and the wood overturning centering device are all arranged on the sawing frame;

The two-stage double-vertical band saw comprises a plurality of two-stage double-vertical band saw machines which are sequentially arranged along the wood conveying direction, wherein the saw wheel spacing of the two-stage double-vertical band saw machine is gradually reduced;

The timber overturning centering device comprises a fourth longitudinal conveying mechanism and at least two centering mechanisms, wherein the fourth longitudinal conveying mechanism adopts a second conveying carrier roller;

the centering mechanism is arranged between two adjacent second conveying carrier rollers of the fourth longitudinal conveying mechanism;

the centering mechanism comprises a base, a pair of meshed gears and a pair of centering rods fixed on the gears, the gears are installed on the base through gear shafts, a centering rod driving mechanism is arranged between the pair of centering rods, and the centering rod driving mechanism can drive the pair of centering rods to open and close;

the centering rod passes through the upper part of a second conveying idler roller of the fourth longitudinal conveying mechanism;

The turnover mechanism comprises a third transverse conveying mechanism, a first conveying carrier roller and a sixth cylinder, wherein the first conveying carrier roller and the sixth cylinder are arranged at intervals with the third transverse conveying mechanism, the sixth cylinder drives the third transverse conveying mechanism to turn over, the third transverse conveying mechanism comprises a second transverse sprocket, a third transverse sprocket and a transverse chain connected with the second transverse sprocket and the third transverse sprocket, the second transverse sprocket and the third transverse sprocket are arranged on a transverse sprocket mounting frame, the upper end of the first conveying carrier roller is higher than the upper end of the transverse chain, the cylinder body of the sixth cylinder is arranged on the sawing frame, and a piston rod of the sixth cylinder is hinged with one side of the transverse sprocket mounting frame;

The skin plate cutting line comprises a fifth longitudinal conveying mechanism and second circular saw blades arranged on two sides of the fifth longitudinal conveying mechanism;

The second transverse conveying mechanism comprises a plurality of transverse conveying chain mechanisms which are arranged in parallel, and when the material supporting steering plate is in the transverse direction, the material supporting steering plate and the transverse conveying chain mechanisms are staggered;

The surface plate baffle and the material supporting steering plate are arranged on one side of a fifth longitudinal conveying mechanism, the fifth longitudinal conveying mechanism is used for conveying the plate to the second circular saw blade for sawing, the fifth longitudinal conveying mechanism is arranged at the output end of the second transverse conveying mechanism, and the surface plate baffle and the material supporting steering plate are arranged on one side, far away from the second transverse conveying mechanism, of the fifth longitudinal conveying mechanism;

A first circular saw blade is arranged in front of the first one-stage double-vertical band saw in the first-stage saw tangent line and is aligned with a saw band on the inner side of the first one-stage double-vertical band saw;

2. The log processing line of claim 1 wherein the positioning mechanism further comprises an adjustment wheel mount, the adjustment wheel drive mechanism being mounted to the adjustment wheel mount; the log righting conveying mechanism further comprises a base and a first lifting mechanism, wherein the first lifting mechanism comprises a first cylinder and a plurality of connecting rods arranged between the adjusting wheel mounting frame and the base, the first device comprises two front and back arranged cylinders, the cylinder body of the first cylinder is hinged to the base, the piston rod of the first cylinder is hinged to the adjusting wheel mounting frame, and the two ends of the connecting rods are respectively hinged to the base and the adjusting wheel mounting frame.

3. The log processing line of claim 2 wherein the log feeder comprises a feed frame, a first transverse conveyor mechanism and a turnover baffle plate, wherein the first transverse conveyor mechanism is arranged on the feed frame, the turnover baffle plate is positioned at the rear end of the first transverse conveyor mechanism, the first transverse conveyor mechanism comprises a plurality of first transverse sprocket assemblies and first transverse sprocket driving devices which are arranged in parallel, the turnover baffle plate is rotatably connected with the feed frame, and the turnover baffle plate is connected with a turnover driving mechanism arranged on the feed frame, and the turnover driving mechanism drives the turnover baffle plate to rotate back and forth.

4. A log processing line as defined in claim 3 wherein the upper portion of the inversion baffle has an arcuate recess which engages a first transverse sprocket at the rear end of the first transverse sprocket assembly;

the turnover baffle comprises a plurality of turnover baffles, a transverse shaft is arranged on the feeding frame, the turnover baffles are fixedly arranged on the transverse shaft, and the turnover baffles and the first transverse chain wheel assembly are staggered.

5. The log processing line of claim 4 further comprising an upper hold down mechanism disposed above the first, second and third longitudinal transport mechanisms for holding down wood on the first, second and third longitudinal transport mechanisms.

6. The log processing line of claim 5, wherein the log skin sawing system further comprises a lateral pressing mechanism arranged at two sides of the second longitudinal conveying mechanism and the third longitudinal conveying mechanism, the lateral pressing mechanism comprises a swinging arm and a swinging arm driving mechanism for driving the swinging arm to rotate, one end of the swinging arm is provided with a lateral pressing wheel, and the lateral pressing wheel is used for pressing a board which is formed by sawing log from the side and is separated from the log.

7. The log processing line of claim 6 further comprising a log sawing system, wherein a log formed by the secondary sawing line is sawn by the log sawing system to form a plurality of wide boards at a time.

8. The log processing line of claim 7 wherein the fifth longitudinal conveyor comprises a main conveyor chain and a secondary conveyor chain, the second circular saw blade comprises two circular saw blades symmetrically disposed on opposite sides of the main conveyor chain, the secondary conveyor chain is disposed behind the second circular saw blade, and the secondary conveyor chain is disposed on opposite sides of the main conveyor chain, and the secondary conveyor chain is configured to convey the cut skin sheet.

9. The log processing line of claim 8 wherein at least one upper hold-down mechanism is provided in front of the second circular saw blade above the main conveyor chain, at least one upper hold-down mechanism is provided behind the second circular saw blade above the main conveyor chain and the auxiliary conveyor chain, and an upper hold-down wheel width of the upper hold-down mechanism in front of the second circular saw blade is less than an upper hold-down wheel width of the upper hold-down mechanism behind the second circular saw blade.