CN112388787A

CN112388787A - Method for processing wooden products

Info

Publication number: CN112388787A
Application number: CN202011397552.2A
Authority: CN
Inventors: 陈宏玮
Original assignee: Hefei Xingmu Furniture Co ltd
Current assignee: Hefei Xingmu Furniture Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-02-23

Abstract

The invention belongs to the technical field of wood product processing, and particularly relates to a wood product processing method, which comprises the following steps: step 1: cutting the surface of the batten by using circular cutting equipment; step 2: pruning two ends of the batten; and step 3: cleaning floating dust on the surface of the batten; and 4, step 4: arranging a plurality of battens in parallel into a row; and 5: putting the battens into a heating chamber, and introducing high-temperature steam into the heating chamber to soften the battens, wherein the steam temperature is 120-140 ℃; step 6: heating with steam for 10-20 min, and bending; and 7: heating with steam for 40-60 min, and discharging steam from the heating chamber; and 8: cooling for 5-10 min, and taking out the bending manipulator from the heating chamber; and step 9: feeding the battens into a drying device to dry the battens; step 10: and conveying the dried battens to downstream equipment one by one. The automatic heating forming machine realizes automatic heating forming of battens, improves processing efficiency and reduces production cost.

Description

Method for processing wooden products

Technical Field

The invention belongs to the technical field of wood product processing, and particularly relates to a wood product processing method.

Background

With the increasing requirements of people on living quality, various wood artware, wood decoration, wood furniture and the like have become one of important elements for indoor decoration. At present, the structural form of a wooden product is not limited to the traditional square structure, but a more modern style is designed by utilizing the combination of various lines, wherein a batten is one of important constituent elements in the design of the existing wooden product, however, in order to enable the batten to have wider design application, the batten needs to be bent into various shapes, the invention mainly relates to a device for bending a straight batten into a vase-shaped contour, a plurality of problems exist in the process, firstly, the battens are different in length and disordered, therefore, a feeding device is needed to arrange the battens into an ordered state for subsequent batch processing, secondly, the battens need to be heated and softened in the bending process, however, in the prior art, no device capable of bending the battens at the same time of heating and softening exists, and thirdly, the battens need to be separated one by one after batch bending and forming for subsequent processing and use, the prior art also does not have the equipment that can realize the automatic branch of stuff and expect that it lacks the automatic conveying equipment that can circulate the stuff among each process among the prior art, leads to machining efficiency lower.

Disclosure of Invention

The invention aims to provide a method for processing a wood product, which can realize automatic feeding, heating, bending, drying and discharging operations from straight battens to bent battens and realize automatic forming of the battens.

The technical scheme adopted by the invention is as follows:

a method of wood product processing comprising the steps of:

step 1: cutting the surface of the batten by using circular cutting equipment, and cutting the batten into a straight rod with the same diameter;

step 2: trimming two ends of the battens to enable the lengths of the battens to be consistent;

and step 3: cleaning the floating dust on the surface of the batten, and naturally drying;

and 4, step 4: arranging a plurality of battens in parallel into a row, and transferring the whole row of battens to a bending manipulator; the bending manipulator comprises a base, a fixed roller, a swing roller and a movable fork roller, wherein the axes of the fixed roller, the swing roller and the movable fork roller are parallel to each other, the fixed roller is fixedly connected with the base, the swing roller is fixedly connected with a first swing rod, the first swing rod is pivoted with the base, the movable fork roller comprises two roller bodies which are parallel to each other, the two roller bodies are fixedly connected with a lever, the middle part of the lever is pivoted with a second swing rod, the second swing rod is pivoted with the base, the pivot is coaxially arranged with the pivot between the first swing rod and the base, the fixed roller is provided with one, the swing roller and the movable fork roller are respectively and symmetrically provided with a pair, the swing roller is provided with a station a and a station b along a swing path, the movable fork roller is provided with a station c and a station d along the swing path, when the swing roller is positioned at the station a and the movable fork roller is positioned at the station c, a flat wood strip raw material can be interpenetrated among, the movable fork roller is positioned at the other side of the batten raw material; when the movable fork roller swings from the station c to the station d, the batten raw material can be bent by taking the fixed roller as a fulcrum, the swing roller is driven to the station b from the station a through the batten raw material, the swing roller stops after moving to the station b, and the movable fork roller continuously swings to the station d at the moment, so that the batten raw material between the swing roller and the fixed roller can be bent into a concave shape, and the batten integrally presents a waist-shaped vase-shaped outline;

and 5: placing the bending manipulator in a heating chamber, and introducing high-temperature steam into the heating chamber to soften the battens, wherein the steam temperature is 120-140 ℃;

step 6: after steam heating for 10min-20min, the bending manipulator starts to bend the wood strips, and the bending amplitude is gradually increased along with the increase of the heating time;

and 7: after the wood strips are heated for 40-60 min by steam, bending the wood strips into a specified shape, discharging the steam in the heating chamber at the moment, gradually cooling the wood strips in the heating chamber, and keeping the wood strips in a bent state by the bending manipulator in the cooling process;

and 8: cooling for 5-10 min, and taking out the bending manipulator from the heating chamber;

and step 9: feeding the bending manipulator into a drying device to dry the battens;

step 10: and (4) detaching the dried wood strips from the bending manipulator and conveying the wood strips to downstream equipment one by one.

In step 4, adopt feed mechanism to arrange the stuff and arrange material and shift, feed mechanism includes the stock chest, arranges the material unit, shifts the unit and passes the unit, the stock chest is used for depositing straight stuff raw materials, the stock chest bottom is equipped with the discharge gate, arranges the material unit and meets with the discharge gate, arranges the material unit and is assembled to be able to make the stuff raw materials discharge one by one from the discharge gate and arrange one row of being parallel, it is used for shifting the stuff raw materials that arrange in the material unit to pass the unit to shift the unit, and it is used for propelling movement to crooked manipulator with the stuff raw materials that arrange.

In the step 5, the operation of placing the bending manipulator in the heating chamber is completed by the conveying device and the rotary mechanism, the rotary mechanism comprises a rotary support, the bending manipulator is detachably arranged on the conveying device, the conveying device conveys the bending manipulator to translate along a horizontal path, the rotary support is positioned on the conveying path of the conveying device, the rotary support is rotatably connected with the machine frame along a horizontal axis, the axis direction is vertical to the conveying direction of the conveying device, a plurality of heating chambers are arranged on the rotary support at intervals along the circumferential direction, the heating chamber comprises two half shells of the scraper bucket form that open and shut the setting, and two half shells of scraper bucket form are assembled for can each other the lock and make bending manipulator and conveyor break away from simultaneously in the cavity that two half shells of scraper bucket form enclose bending manipulator cover when bending manipulator moves to the slewing support below along with conveyor.

In the step 5, the operation of introducing high-temperature steam into the heating chamber is completed by an air inlet and exhaust device, the air inlet and exhaust device comprises a main air supply pipe, a main exhaust pipe and a plurality of air inlet and exhaust branch pipes, each air inlet and exhaust branch pipe is respectively communicated with each heating chamber in a one-to-one correspondence manner, a three-way reversing valve is arranged between each air inlet and exhaust branch pipe and the main air supply pipe and between each air inlet and exhaust branch pipe and the main exhaust pipe, the three-way reversing valve is provided with a station I and a station II, the air inlet and exhaust branch pipes are communicated with the main air supply pipe when the three-way reversing valve is positioned at the station I, and the; the air inlet and exhaust branch pipes and the three-way reversing valve are fixedly connected with the rotary support, a valve control mechanism for controlling the three-way reversing valve to switch between the station I and the station II is arranged on the rack, and the valve control mechanism is assembled to enable the three-way reversing valve to be kept at the station I when the heating chamber rotates along with the rotary support in the first section and enable the three-way reversing valve to be kept at the station II when the heating chamber rotates along with the rotary support in the second section.

And 9, drying the battens by using a drying device, wherein the drying device comprises a box body blower and an electric heating device, an air outlet of the blower is communicated with an inner cavity of the box body through a pipeline, and the electric heating device is arranged on the pipeline.

In the step 10, a discharging device is adopted to detach the dried battens from the bending manipulator and convey the battens to downstream equipment one by one, the discharging device comprises a discharging mechanism and a distributing mechanism, the discharging mechanism is used for moving the battens on the bending manipulator out of a fixed roller, and the distributing mechanism is used for separating the moved battens one by one and conveying the wood strips to the downstream equipment; a strip-shaped gap is arranged on the fixing roller and close to the middle of the bent section of the batten, the length direction of the strip-shaped gap is parallel to the axial direction of the fixing roller, and the strip-shaped gap penetrates through the end face of the fixing roller; the discharging mechanism comprises a discharging rod, the discharging rod is horizontally arranged, the discharging rod is movably arranged along the direction parallel to the axis of the fixed roller, and the discharging rod is movably arranged along the vertical direction; when the bending manipulator moves to the side of the discharging and guiding mechanism along with the conveying device, the discharging rod is inserted into the strip-shaped gap along the horizontal direction and then is lifted upwards along the vertical direction so as to move the battens on the fixed roller out of the fixed roller; the material distributing structure comprises two material guiding rods which are arranged in parallel, the material guiding rods and the horizontal direction form an included angle, and the discharging rods are positioned between the two material guiding rods when the discharging rods are seen in the vertical direction; the lower end of the material guide rod is provided with a retaining wall for preventing battens from sliding down; the material distributing mechanism also comprises a material distributing rod arranged at the lower end of the material guiding rod, the material distributing rod is arranged in parallel with the material guiding rod, the material distributing rod reciprocates along the vertical direction, only the wood strips at the lowest end on the material guiding rod coincide with the rod section of the material distributing rod when the material distributing rod moves from bottom to top, the wood strips at the lowest end of the material guiding rod can be jacked upwards when the material distributing rod moves from bottom to top, and the wood strips can slide downwards along the material distributing rod after being separated from the blocking wall; a conveying belt is arranged below the material distributing rod; the discharging rod is fixed on a sliding block of a horizontal electric cylinder, the horizontal electric cylinder is fixedly connected with a piston rod of a vertically arranged first air cylinder, and the distributing rod is fixedly connected with a piston rod of a vertically arranged second air cylinder.

When the bending manipulator is conveyed to the side of the feeding mechanism by the conveying device, the swing roller of the bending manipulator is positioned at a station a, the movable fork roller is positioned at a station c, and the pushing unit is flush with a horizontal gap between the swing roller and the movable fork roller; the pushing unit pushes the battens to a position between the swing roller and the movable fork roller, then the second swing rod swings upwards for a certain angle to enable the movable fork roller and the swing roller to clamp the battens, and at the moment, the battens are just separated from the pushing unit.

The bottom of the storage tank is of a funnel-shaped structure which narrows from top to bottom, the discharge unit comprises a discharge roller and an inclined slide way, the discharge roller is rotatably connected with the storage tank along a horizontal axis, the roller surface of the discharge roller is provided with a plurality of strip grooves parallel to the axis direction of the discharge roller, the strip grooves are arranged at intervals along the circumferential direction of the discharge roller, and the width and the depth of each strip groove are set to only accommodate one wood strip raw material to fall into the strip groove; the upper part of the discharge roller is opposite to the discharge port of the storage tank, the peripheral surface of the lower part of the discharge roller is externally provided with a surrounding wall which is fixedly connected with the storage tank, the inclined slideway is fixedly connected with the surrounding wall and comprises two guide plates which are arranged in parallel at intervals, a clamping cavity between the two guide plates can only accommodate one batten raw material to pass through, and the clamping cavity is communicated with the space where the discharge roller is located; the pushing unit comprises a material pushing frame which is arranged below the discharging unit in a sliding mode along the horizontal direction, the material pushing frame comprises at least two strip-shaped supporting plates which are perpendicular to the length direction of the batten raw materials and are arranged at intervals, and accommodating grooves for accommodating the batten raw materials are formed in the strip-shaped supporting plates; the pushing unit also comprises a pushing driving element for driving the pushing frame to horizontally slide; the transfer unit is including upset slide and lifting support, the upset slide is articulated with lifting support, lifting support is along vertical direction and frame swing joint, the upset slide has slope station and horizontal station, and lifting support has high-order and low level along vertical direction, and the upset slide docks with slope slide lower extreme when the upset slide is in slope station and lifting support and is in the high-order, makes the stuff raw materials in the slope slide can roll to the upset slide in, and the upset slide can fall in below the bar layer board when the upset slide belongs to horizontal station and lifting support and is in the low level, makes the stuff raw materials on the upset slide fall in the storage tank of bar layer board.

The pivoting end of the second swing rod is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected with the base, and the base is provided with a rotary driving unit for driving the rotating shaft to rotate; the rotary driving unit comprises a worm wheel fixedly connected with the rotating shaft and a worm rotatably connected with the base, and a gear is arranged at the end part of the worm; the rack is provided with a bending driving component which is arranged along the circumferential direction of the rotary bracket and is used for driving the second swing rod to swing; the bending driving member comprises an arc-shaped rack arranged along a partial section of the circumferential direction of the rotary support, and the arc-shaped rack is positioned on a motion path of the gear when the gear rotates along with the rotary support.

The upper end face and the lower end face of the base are respectively provided with an arc-shaped groove, the arc centers of the two arc-shaped grooves are coaxial, the side wall of one side of the two bucket-shaped half shells, which is spliced with each other, is provided with an arc-shaped notch part for accommodating the base, the two bucket-shaped half shells are pivoted with the rotary support and the pivot is coaxial, and the arc centers of the arc-shaped grooves and the arc-shaped notch parts are positioned on the pivot axis between the bucket-shaped half shells and the rotary support; when the two bucket-shaped half shells are buckled, the arc edges of the arc notch parts are just inserted into the two arc grooves in a rotary mode, so that one side of the base is positioned inside the two bucket-shaped half shells, the other side of the base is positioned outside the two bucket-shaped half shells, the fixed roller, the swing roller and the movable fork roller are positioned on the base inside the two bucket-shaped half shells, and the worm wheel, the worm and the gear are positioned on the base outside the two bucket-shaped half shells; the bottom surface of the base is an arc surface, the conveying device is provided with an installation seat, the top surface of the installation seat is an arc surface, the radius of the arc surface of the top surface of the installation seat is consistent with that of the arc surface of the ground of the base, and the arc centers of the installation seat and the arc surface are both positioned on the rotating axis of the rotating support; the bottom surface of the base is provided with a T-shaped groove extending along the contour of the cambered surface, the top surface of the mounting seat is provided with a T-shaped sliding rail extending along the contour of the cambered surface, and the T-shaped groove and the T-shaped sliding rail form sliding fit; a locking mechanism is further arranged between the base and the mounting seat, the locking mechanism can lock the base and the mounting seat relatively when the two bucket-shaped half shells are not covered on the base, and the locking mechanism can release the base and the mounting seat mutually to enable the base to slide along the T-shaped sliding rail when the two bucket-shaped half shells cover the base; locking mechanism includes the locking piece that the direction slip of edge perpendicular to base bottom surface set up in the base to and the locking groove that sets up on the T type slide rail top surface, be equipped with first elastic element between locking piece and the base, first elastic element is assembled and can orders about the locking piece for its elasticity and insert the locking inslot, in the locking piece extends to the arc wall on the base bottom surface, and the both sides of the part of locking piece in the arc wall are equipped with the slide wedge face, the outer arc limit corner of arc breach portion is equipped with slide wedge drive face, and the slide wedge drive face can push through the slide wedge face is crowded when two scraper bowl form half shells are each other detained the locking piece makes the locking piece take out from the locking inslot.

The invention has the technical effects that: according to the invention, the bending manipulator is utilized to realize the bending of the battens, and the bending manipulator is arranged on the conveying device to enable the bending manipulator to circulate among the feeding mechanism, the steam heating device, the drying device and the discharging device, so that the automatic heating forming of the battens is realized, the processing efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic diagram of a wood product processing system provided by an embodiment of the present disclosure;

FIG. 2 is a perspective view of a loading mechanism and bending robot provided by an embodiment of the present invention;

FIG. 3 is a side view of a loading mechanism and bending robot provided by an embodiment of the present invention;

FIG. 4 is a perspective view of a loading mechanism provided by an embodiment of the present invention;

FIG. 5 is a side view of a loading mechanism provided by an embodiment of the present invention;

FIG. 6 is a cross-sectional view of one direction of a bending robot provided in accordance with an embodiment of the present invention;

FIG. 7 is a cross-sectional view of another orientation of a bending robot provided in accordance with an embodiment of the present invention;

figure 8 is a perspective view of a bending robot provided by an embodiment of the present invention;

FIG. 9 is a cross-sectional view of the bending robot of FIG. 8 in one orientation;

FIG. 10 is a cross-sectional view of the bending robot of FIG. 8 in another orientation;

figure 11 is an exploded view of the spindle of the bending robot and its attachment provided by embodiments of the present invention;

FIG. 12 is a perspective view of a steam heat molding apparatus provided in an embodiment of the present invention;

FIG. 13 is a sectional view of a steam heat molding apparatus provided in an embodiment of the present invention;

FIG. 14 is a partial sectional view II of FIG. 13;

FIG. 15 is a partial cross-sectional view I of FIG. 13;

FIG. 16 is a perspective view of an intake and exhaust apparatus provided by an embodiment of the present invention;

FIG. 17 is an exploded view of a base and mount provided by an embodiment of the present invention;

FIG. 18 is a front view of a heating chamber, base and mount provided by an embodiment of the present invention;

FIG. 19 is a perspective view of a mount provided by an embodiment of the invention;

FIG. 20 is a perspective view of a heating chamber provided by an embodiment of the present invention;

fig. 21 is a perspective view of a heating chamber opening and closing mechanism provided in the embodiment of the present invention;

fig. 22 is a perspective view of a discharge apparatus provided in accordance with an embodiment of the present invention;

FIG. 23 is a front view of a discharge apparatus provided by an embodiment of the present invention;

FIG. 24 is a side view of a discharge apparatus provided by an embodiment of the present invention;

fig. 25 is a perspective view of a delivery device provided by an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

As shown in fig. 1, a wooden product processing system includes a bending robot 20, a conveying device 50, a feeding mechanism 10, a steam heating and forming device 30, a drying device 60, and a discharging device 40;

as shown in fig. 25, the bending manipulator 20 is detachably mounted on the conveying device 50, and the conveying device 50 conveys the bending manipulator 20 to circulate through the feeding mechanism 10, the steam heating and forming device 30, the drying device 60 and the discharging device 40;

as shown in fig. 2 to 5, the feeding mechanism 10 includes a storage tank 11, a discharging unit, a transferring unit and a pushing unit, wherein the storage tank 11 is used for storing straight stuff raw materials, a discharging port is arranged at the bottom of the storage tank 11, the discharging unit is connected to the discharging port, the discharging unit is assembled to enable the stuff raw materials to be discharged one by one from the discharging port and to be arranged in a parallel row, the transferring unit is used for transferring the stuff raw materials arranged in the discharging unit to the pushing unit, and the pushing unit is used for pushing the arranged stuff raw materials to the bending manipulator 20; the feeding mechanism 10 of the invention can arrange straight battens into a row in parallel and push the arranged battens to the bending manipulator 20 for batch bending and forming of subsequent battens, thereby realizing automatic operation in the feeding process, liberating manpower, improving production efficiency and reducing production cost.

As shown in fig. 6-11, the bending manipulator 20 includes a base 24, a fixed roller 21, a swing roller 22 and a movable fork roller 23, axes of the fixed roller 21, the swing roller 22 and the movable fork roller 23 are parallel to each other, the fixed roller 21 is fixedly connected to the base 24, the swing roller 22 is fixedly connected to a first swing link 221, the first swing link 221 is pivotally connected to the base 24, the movable fork roller 23 includes two roller bodies 231 parallel to each other, the two roller bodies 231 are fixedly connected to a lever 232, a middle portion of the lever 232 is pivotally connected to a second swing link 234, the second swing link 234 is pivotally connected to the base 24, and a pivot is coaxially disposed with the pivot between the first swing link 221 and the base 24, one fixed roller 21 is provided, a pair of swing roller 22 and a pair of movable fork roller 23 are symmetrically provided, the swing roller 22 has a station a and a station b along a swing path, the movable fork roller 23 has a station c and a station d along a swing path, when the swing roller 22 is located at the station a station c and the movable, The swing roller 22 and the movable fork roller 23 are arranged between the fixed roller 21 and the swing roller 22 and are positioned on one side of the batten raw material, and the movable fork roller 23 is positioned on the other side of the batten raw material; when the movable fork roller 23 swings from the station c to the station d, the batten raw material can be bent by taking the fixed roller 21 as a fulcrum, the swing roller 22 is driven from the station a to the station b through the batten raw material, the swing roller 22 stops after moving to the station b, and at the moment, the movable fork roller 23 continues swinging to the station d, so that the batten raw material between the swing roller and the fixed roller 21 can be bent into a concave shape, and the whole batten presents a waisted vase-shaped outline; when the pushing unit pushes the arranged batten raw materials to the bending manipulator 20, the swing roller 22 of the bending manipulator 20 is located at a station a, the movable fork roller 23 is located at a station c, and the pushing unit is flush with a horizontal gap between the swing roller 22 and the movable fork roller 23; at the initial stage of movable forked roller 23 by station c to station d motion process, movable forked roller 23 and swing roller 22 can press from both sides the both ends of stuff tightly, and the stuff middle section is then blockked by fixed roll 21, and then makes the stuff be the bending of U type gradually, and when swing roller 22 arrived station b, first pendulum rod 221 was blockked by stop device and stopped at station b, and movable forked roller 23 continued the swing this moment, just can produce to the stuff between swing roller 22 and the fixed roll 21 and press and force it to form and receive waist column structure.

As shown in fig. 12 to 23, the steam heating and forming device 30 includes a rotary support 30 and an air intake and exhaust device, the rotary support 30 is rotatably connected to the rack along a horizontal axis and the axis direction is perpendicular to the conveying direction of the conveying device 50, a plurality of heating chambers 31 are circumferentially arranged on the rotary support 30 at intervals, the heating chambers 31 are formed by two bucket-shaped half shells 310 which are opened and closed, and the two bucket-shaped half shells 310 are assembled so that the two bucket-shaped half shells 310 can be engaged with each other when the bending manipulator 20 moves to the lower side of the rotary support 30 along with the conveying device 50, and the bending manipulator 20 can be separated from the conveying device 50 while covering the bending manipulator 20 in the cavity surrounded by the two bucket-shaped half shells 310; when the bending manipulator 20 reaches below the revolving support 30, the two bucket-shaped half shells 310 are clamped, at this time, the bending manipulator 20 can be separated from the conveying device 50 and transferred onto the revolving support 30, then the bending manipulator 20 conveys on the revolving support 30, and during the conveying process, the heating and bending operations of the battens can be simultaneously realized, the specific implementation manner of the bending manipulator is described in detail in the following description, when the bending manipulator 20 runs for a circle along with the revolving support 30 and returns to the conveying device 50 again, at this time, the two bucket-shaped half shells 310 are opened, so that the bending manipulator 20 can be separated from the revolving support 30 and be fixed on the conveying device 50 again.

As shown in fig. 13, 14, 16, and 21, the air intake and exhaust device includes a main air supply pipe 321, a main exhaust pipe 322, and a plurality of air intake and exhaust branch pipes 323, each air intake and exhaust branch pipe 323 is respectively communicated with each heating chamber 31 in a one-to-one correspondence, a three-way reversing valve 324 is disposed between each air intake and exhaust branch pipe 323 and the main air supply pipe 321 and the main exhaust pipe 322, the three-way reversing valve 324 has a station I and a station II, the air intake and exhaust branch pipe 323 is communicated with the main air supply pipe 321 when the three-way reversing valve 324 is located at the station I, and the air intake and exhaust branch pipe 323 is communicated with the main exhaust pipe 322; the air inlet and outlet branch pipe 323 and the three-way reversing valve 324 are fixedly connected with the rotary bracket 30, a valve control mechanism for controlling the three-way reversing valve 324 to switch between the station I and the station II is arranged on the rack, and the valve control mechanism is assembled to enable the three-way reversing valve 324 to be kept at the station I when the heating chamber 31 rotates along with the rotary bracket 30 in the first section and enable the three-way reversing valve 324 to be kept at the station II when the heating chamber 31 rotates along with the rotary bracket 30 in the second section; in the embodiment of the present invention, the first section of the stroke of the swing bracket 30 refers to a stroke of the bucket-shaped half shell 310 for a period of time after covering the bending robot 20, in which the battens are heated and softened while the bending robot 20 bends the battens; the stroke of the second section refers to a stroke from the time when the battens are completely bent and shape-preserved for a period of time to the time when the two bucket-shaped half shells 310 are completely opened, in the process, the heating chamber 31 firstly exhausts air to cool the battens, and when the bucket-shaped half shells 310 are opened, the temperature of the battens should be already reduced to a specified temperature, generally 40-50 ℃, so that the burning of equipment or nearby workers caused by high-temperature gas when the bucket-shaped shells are opened can be avoided.

The drying device 60 comprises a box body blower and an electric heating device, an air outlet of the blower is communicated with an inner cavity of the box body through a pipeline, and the electric heating device is arranged on the pipeline;

as shown in fig. 22 to 24, the discharging device 40 includes a discharging mechanism for removing the battens on the bending manipulator 20 from the fixed roller 21, and a separating mechanism for separating the removed battens one by one and conveying them downstream; in order to improve the processing efficiency, a plurality of battens are placed on the same bending manipulator 20 for bending, so that the battens are stacked together during discharging, and the subsequent processing and use of the battens are not facilitated.

As shown in fig. 25, the conveying device 50 includes an installation base 51 detachably connected to the bending manipulator 20, the installation base 51 is pivotally connected to the annular conveying chain 52, and further includes a limiting mechanism for guiding the installation base 51 to move in a designated posture, the limiting mechanism includes two symmetrically arranged runway-shaped channels 53, the two channels 53 are respectively disposed on two sides of the annular conveying chain 52, and the installation base 51 is provided with rollers 511 respectively matched with the two channels 53. According to the invention, the bending manipulator 20 is arranged on the annular conveying device 50, so that the bending manipulator 20 can circularly flow along the conveying device 50, and meanwhile, the limiting mechanism is utilized to ensure the stable posture of the bending manipulator 20, and the bending manipulator 20 can be accurately matched with corresponding equipment at each station.

Preferably, as shown in fig. 2, 3, 4 and 5, the bottom of the stock storage tank 11 is a funnel-shaped structure narrowing from top to bottom, the discharge unit comprises a discharge roller 12 and an inclined slideway 13, the discharge roller 12 is rotatably connected with the stock storage tank 11 along a horizontal axis, a plurality of strip grooves parallel to the axial direction of the discharge roller 12 are arranged on the roller surface of the discharge roller 12, and are arranged at intervals along the circumferential direction of the discharge roller 12, and the width and the depth of each strip groove are set to only accommodate one wood strip raw material to fall into the strip groove; the upper part of the discharging roller 12 is opposite to the discharge port of the storage tank 11, the peripheral surface of the lower part of the discharging roller 12 is externally provided with a surrounding wall, the surrounding wall is fixedly connected with the storage tank 11, the inclined slideway 13 is fixedly connected with the surrounding wall, the inclined slideway 13 comprises two guide plates which are arranged in parallel at intervals, a clamping cavity between the two guide plates can only accommodate one batten raw material to pass through, and the clamping cavity is communicated with the space where the discharging roller 12 is located; the pushing unit comprises a material pushing frame 16 which is arranged below the discharging unit in a sliding mode along the horizontal direction, the material pushing frame 16 comprises at least two strip-shaped supporting plates which are perpendicular to the length direction of the batten raw materials and are arranged at intervals, and accommodating grooves 161 used for accommodating the batten raw materials are formed in the strip-shaped supporting plates; the pushing unit further comprises a pushing driving element for driving the pushing frame 16 to slide horizontally. The transfer unit comprises a turnover slideway 14 and a lifting support 15, the turnover slideway 14 is hinged to the lifting support 15, the lifting support 15 is movably connected with the rack in the vertical direction, the turnover slideway 14 is provided with an inclined station and a horizontal station, the lifting support 15 is provided with a high position and a low position in the vertical direction, when the turnover slideway 14 is positioned in the inclined station and the lifting support 15 is positioned in the high position, the turnover slideway 14 is in butt joint with the lower end of the inclined slideway 13, so that the batten raw materials in the inclined slideway 13 can roll into the turnover slideway 14, and when the turnover slideway 14 belongs to the horizontal station and the lifting support 15 is positioned in the low position, the turnover slideway 14 can be lowered below the strip-shaped supporting plate, so that the batten raw materials on the turnover slideway 14 fall into a containing groove 161 of the strip-; a first elastic unit 151 is arranged between the lifting bracket 15 and the frame, and the first elastic unit 151 is assembled to enable the elastic force of the first elastic unit 151 to drive the lifting bracket 15 to move from the low position to the high position; the transfer unit further comprises a transfer driving element, the transfer driving element comprises a lifting block 17 which is vertically arranged in a reciprocating manner, the lifting block 17 is fixedly connected with a piston rod of a piston cylinder which is vertically arranged, a horizontal kidney-shaped hole is formed in the lifting block 17, a trunnion which is slidably and pivotally connected with the horizontal kidney-shaped hole is arranged on the turnover slideway 14, when the lifting block 17 descends, the turnover slideway 14 is firstly driven to turn over from an inclined position to a horizontal position, then the turnover slideway 14 and the lifting support 15 are driven to descend to a low position of the lifting support 15 synchronously, when the lifting block 17 ascends, the lifting support 15 and the turnover slideway 14 firstly ascend to a high position of the lifting support 15 under the action of the first elastic unit 151, and then the driving block continuously drives the turnover slideway 14 to turn over to the inclined position.

The specific working process of the feeding mechanism 10 is as follows: firstly, straight battens are stacked in a storage tank 11, a discharge roller 12 is driven by a servo motor and intermittently rotates, the battens in the storage tank 11 fall into a batten groove of the discharge roller 12 in the rotation process of the discharge roller 12, when the battens rotate along with the discharge roller 12 to be aligned with an inclined slideway 13, the battens roll down along the inclined slideway 13 to fall into an overturning slideway 14 and are stacked into a row on the overturning slideway 14, after a preset time, the battens are stacked to a certain number, at the moment, a lifting block 17 starts to descend and drives the overturning slideway 14 to overturn from an inclined state to a horizontal state, when the overturning slideway 14 overturns to the horizontal state, the bottom of the overturning slideway 14 is blocked with a lifting bracket 15, at the moment, the lifting block 17 continues to descend, so that the overturning slideway 14 keeps a horizontal posture and moves downwards, the battens fall into a containing groove 161 of a strip-shaped supporting plate, then the lifting block 17 keeps a downward-pressing state and drives a material pushing frame 16 to move horizontally, the material pushing frame 16 pushes the battens away from the upside of the turnover slideway 14, and pushes the battens to the bending manipulator 20, and at the moment, the lifting block 17 is lifted upwards to reset the lifting support 15 and the turnover slideway 14.

The lower end of the inclined slideway 13 is provided with a blocking mechanism, the blocking mechanism is assembled in a way that the batten raw material in the inclined slideway 13 can freely roll into the overturning slideway 14 when the overturning slideway 14 is in butt joint with the inclined slideway 13, and the blocking mechanism can block the batten raw material at the lower end of the inclined slideway 13 when the overturning slideway 14 is separated from the inclined slideway 13; the blocking mechanism comprises a clamping block 131 movably arranged along the normal direction of the inclined slideway 13, a second elastic unit 133 is arranged between the clamping block 131 and the inclined slideway 13, and the second elastic unit 133 is assembled so that the elastic force of the second elastic unit 133 can drive the clamping block 131 to protrude into the inclined slideway 13; the clamping block 131 is provided with a blocking part 132, the turnover slide 14 is provided with a blocking pin 141, the blocking part 132 is blocked with the blocking pin 141, and the blocking pin 141 can drive the clamping block 131 to move out of the inclined slide 13 when the turnover slide 14 is turned to an inclined station; the upper guide plate of the inclined slideway 13 extends downwards and completely covers the turnover slideway 14; the lower end of the lower guide plate of the inclined slideway 13 is provided with an arc-shaped barrier strip 134, and the arc-shaped barrier strip 134 is flush with the sweeping path at the end part of the turnover slideway 14 and used for preventing the batten raw material from falling off from the end part of the turnover slideway 14; stop mechanism can block the stuff in the slide wedge slide at 14 in-process downswing of upset slides, arrange the operation that material roller 12 can be incessant, stop mechanism can prevent on the one hand that the stuff from falling, and on the other hand can make the stuff pile up in slope slide 13, and after 14 resets in the slide that overturns, the stuff that piles up in the slope slide 13 can supply fast in 14 in the slide that overturns, and then improve row material efficiency.

As shown in fig. 6, a weight 233 is disposed on the pivot between the lever 232 and the second swing link 234, when the weight 233 is in a natural suspension state, the two roller bodies 231 on the movable fork roller 23 are parallel and level with each other in the horizontal direction, and the movable fork roller 23 is hinged to the second swing link 234, so that the pressure applied to the batten by the two roller bodies 231 is relatively balanced, and the curved profile of the batten is smoother, but this may cause a problem that the two roller bodies 231 are not in the same horizontal plane when the movable fork roller 23 is at the station c.

As shown in fig. 7, 10 and 11, a third elastic unit 225 is disposed between the first swing link 221 and the base 24, and the third elastic unit 225 is configured such that its elastic force can drive the swing roller 22 to swing from the station b to the station a; a locking mechanism is arranged between the first swing link 221 and the base 24, the locking mechanism is assembled to enable the swing roller 22 to be kept at the station b when the swing roller 22 is at the station b and the movable fork roller 23 is not at the station c, and the locking mechanism can release the first swing link 221 to enable the swing roller 22 to swing to the station a under the action of the third elastic unit 225 when the movable fork roller 23 swings to the station c; the locking mechanism comprises a flat hole 2211 arranged at the pivoting end of the first swing rod 221 and a flat shaft 222 arranged on the base 24 in a sliding manner along the axial direction of the flat hole 2211, a fourth elastic unit 224 is arranged between the flat shaft 222 and the base 24, and the fourth elastic unit 224 is assembled in a manner that the elastic force of the fourth elastic unit 224 can drive the flat shaft 222 to be inserted into the flat hole 2211; a push pipe 223 is fixedly connected to the flat shaft 222, a first spiral step is arranged at the end of the push pipe 223, a second spiral step 235 connected with the first spiral step is arranged at the pivot end of the second swing rod 234, and when the movable fork roller 23 swings from the station d to the station c, the second spiral step 235 can extrude the first spiral step to enable the push pipe 223 and the flat shaft 222 to slide along the circumferential direction and enable the flat shaft 222 to be drawn out from the flat hole 2211. The third elastic unit 225 enables the swing roller 22 and the movable fork roller 23 to elastically clamp the wood strip during the process that the movable fork roller 23 moves from the station c to the station d, the locking mechanism can prevent the swing roller 22 from continuously swinging when the swing roller 22 moves to the station b, and the locking mechanism can prevent the swing roller 22 from resetting at the first time when the movable fork roller 23 resets so as to facilitate subsequent discharging operation, and the locking mechanism releases the swing roller 22 only when the movable fork roller 23 completely resets to the station c, so that the whole bending manipulator 20 is restored to the initial state.

A rotating shaft 27 is fixedly connected to the pivoting end of the second swing link 234, the rotating shaft 27 penetrates through the push pipe 223 and the flat shaft 222 and is rotatably connected with the base 24, and a rotation driving unit for driving the rotating shaft 27 to rotate is arranged on the base 24; the rotary driving unit comprises a worm wheel 271 fixedly connected with the rotating shaft 27 and a worm 25 rotatably connected with the base 24, and a gear 251 is arranged at the end part of the worm 25; a motor 26 is arranged beside the conveying path of the conveying device 50, a main shaft of the motor is provided with a driving gear, and when the bending manipulator 20 moves to the side of the feeding mechanism 10 along with the conveying device 50, a gear 251 of the bending manipulator 20 is meshed with the driving gear on the motor; the rack is provided with a bending driving component which is arranged along the circumferential direction of the rotary bracket 30 and is used for driving the second swing rod 234 to swing; the bending driving member comprises an arc-shaped rack 36 arranged along a partial section of the circumferential direction of the rotating bracket 30, and the arc-shaped rack 36 is positioned on a moving path of the gear 251 when rotating with the rotating bracket 30; a section of spur rack 54 is arranged beside the conveying device 50 at the upstream of the discharging device 40, and when the bending manipulator 20 moves to the discharging guide mechanism along with the conveying device 50, the spur rack 54 is meshed with the gear 251 and drives the movable fork roller 23 to move from the station d to the station c but not to reach the station c; a straight rack gear, not shown, is provided beside the conveying device 50 between the discharging device 40 and the feeding mechanism 10, and the straight rack gear 54 can drive the movable forking roller 23 to the station c so as to enable the locking mechanism to release the first swing link 221. The worm 25 is provided at both ends thereof with a gear 251, and the arc-shaped rack 36 and the spur rack 54 are engaged with different gears 251 to perform normal rotation and reverse rotation of the rotary shaft 27.

As shown in fig. 6 and 9, the roll surface of the fixed roll 21 includes a fixed part 211 and an expansion and contraction part 212, the expansion and contraction part 212 is movably arranged along the radial direction of the fixed roll 21, when the expansion and contraction part 212 contracts towards the inner side of the fixed roll 21 along the radial direction, the width of the fixed roll 21 can be narrowed so that the waist area of the bent wood strip is drawn away from the fixed roll 21, when the expansion and contraction part 212 expands outwards along the radial direction, the expansion and contraction part 212 is flush with the fixed part 211 and the two are spliced into a complete cylindrical roll surface; a fifth elastic unit 213 is arranged between the expansion part 212 and the fixed roller 21, the fifth elastic unit 213 is assembled such that its elastic force can drive the expansion part 212 to slide along the fixed roller 21 radially inwards, the rotating shaft 27 protrudes into the fixed roller 21, a cam 272 is fixedly connected to the rotating shaft 27, the cam 272 abuts against the inner wall of the expansion part 212, and when the movable fork roller 23 moves from the station c to the station d, the cam 272 can drive the expansion part 212 to slide along the fixed roller 21 radially outwards. Because the width of the shrinking waist area of the bent battens is smaller than the diameter of the fixed roller 21, the battens interfere with the fixed roller 21 during discharging, in this case, the battens can be forcibly pulled out of the fixed roller 21, but the battens are expanded to a certain extent, and the discharging resistance is large, so that the fixed roller 21 is arranged into an expansion and contraction type structure, the expansion and contraction part 212 and the movable fork roller 23 are arranged in a linkage manner, the expansion and contraction part 212 expands outwards to ensure the bending profile of the battens when the battens are bent, and the expansion and contraction part 212 contracts inwards to enable the battens to be easily separated from the fixed roller 21 when the battens are discharged.

As shown in fig. 17-20, the upper and lower end surfaces of the base are respectively provided with an arc-shaped groove 241, the arc centers of the two arc-shaped grooves 241 are coaxial, the side wall of one of the two bucket-shaped half shells 310 that is spliced with each other is provided with an arc-shaped notch 3101 for accommodating the base 24, the two bucket-shaped half shells 310 are pivoted with the turning bracket 30 and the pivot shaft is coaxially arranged, and the arc centers of the arc-shaped groove 241 and the arc-shaped notch 3101 are located on the pivot axis between the bucket-shaped half shell 310 and the turning bracket 30; when the two bucket-shaped half shells 310 are fastened, the arc edges of the arc notch portions 3101 are just inserted into the two arc grooves 241 in a rotary manner, so that one side of the base 24 is positioned inside the two bucket-shaped half shells 310, and the other side is positioned outside the two bucket-shaped half shells 310, wherein the fixed roller 21, the swing roller 22 and the movable fork roller 23 are positioned on the base 24 inside the two bucket-shaped half shells 310, and the worm wheel 271, the worm 25 and the gear 251 are positioned on the base 24 outside the two bucket-shaped half shells 310; the bottom surface of the base 24 is an arc surface, the conveying device 50 is provided with an installation seat 51, the top surface of the installation seat 51 is an arc surface, the radius of the arc surface of the top surface of the installation seat 51 is consistent with that of the arc surface of the ground of the base 24, and the arc centers of the installation seat and the arc surface are both positioned on the rotating axis of the rotating support 30; a T-shaped groove 242 extending along the contour of the arc surface is formed in the bottom surface of the base 24, a T-shaped slide rail 512 extending along the contour of the arc surface is formed in the top surface of the mounting seat 51, and the T-shaped groove 242 and the T-shaped slide rail 512 form sliding fit; a locking mechanism is further arranged between the base 24 and the mounting seat 51, the locking mechanism is assembled to lock the base 24 and the mounting seat 51 relatively when the two bucket-shaped half shells 310 are not covered on the base 24, and the locking mechanism can release the base 24 and the mounting seat 51 mutually to enable the base 24 to slide along the T-shaped sliding rail 512 when the two bucket-shaped half shells 310 cover the base 24; the locking mechanism comprises a locking block 243 arranged in the base 24 in a sliding mode in a direction perpendicular to the bottom surface of the base 24 and a locking groove 513 arranged on the top surface of the T-shaped sliding rail 512, a first elastic element 244 is arranged between the locking block 243 and the base 24, the first elastic element 244 is assembled to enable the locking block 243 to be inserted into the locking groove 513 through elasticity of the first elastic element, the locking block 243 extends into the arc-shaped groove 241 on the bottom surface of the base 24, wedge surfaces are arranged on two sides of the portion, in the arc-shaped groove 241, of the locking block 243, wedge driving surfaces 3102 are arranged at corners of outer arc edges of the arc-shaped notch 3101, and when the two bucket-shaped half shells 310 are buckled with each other, the wedge driving surfaces 3102 can push the locking block 243 to enable the locking block 243 to be pulled out of the locking groove 513 through the wedge surfaces.

As shown in fig. 21, a connecting rod 311 is hinged to each of the two bucket-shaped half shells 310, ends of the two connecting rods 311 are hinged to a movable shaft 312, the movable shaft 312 is slidably pivoted to a radial kidney-shaped hole 301 formed in the revolving support 30, and an opening and closing driving element for driving the two bucket-shaped half shells 310 to open and close each other is disposed on the frame; the opening and closing driving element comprises a piston cylinder fixedly connected with the rack in the vertical direction, a piston rod of the piston cylinder is arranged downwards, a C-shaped groove plate 34 is arranged at the end part of the piston rod, a notch of the C-shaped groove plate 34 faces one side of the axis direction of the rotary support 30, and when one pair of bucket-shaped half shells 310 rotate to the lowest position along with the rotary support 30, the movable shafts 312 of the pair of bucket-shaped half shells 310 just rotate to the groove cavities of the C-shaped groove plate 34 along with the rotary support 30; the frame is further provided with a locking ring 35, the locking ring 35 is coaxially arranged with the rotary support 30, a fracture part for avoiding the C-shaped groove plate 34 is arranged at the section of the locking ring 35 corresponding to the C-shaped groove plate 34, and after the movable shaft 312 is separated from the C-shaped groove plate 34, the movable shaft 312 is abutted against the outer annular surface of the locking ring 35 to keep the two bucket-shaped half shells 310 in a closed state.

As shown in fig. 14 and 16, the main gas supply pipe 321 and the main gas exhaust pipe 322 are coaxially arranged, a slip ring 32 rotatably connected to the main gas supply pipe 321 is arranged between the main gas supply pipe and the main gas exhaust pipe, a first annular cavity 327 is arranged between the slip ring 32 and the main gas supply pipe 321, a second annular cavity 328 is arranged between the slip ring 32 and the main gas exhaust pipe 322, a gas inlet is arranged on a pipe wall of the main gas supply pipe 321 located in the first annular cavity 327, a gas outlet is arranged on a pipe wall of the main gas exhaust pipe 322 located in the second annular cavity 328, one of the ports of the three-way reversing valve 324 is communicated with the gas inlet/exhaust branch pipe 323, and the other two ports are respectively; the three-way reversing valve 324 comprises a valve casing 3241 and a valve core 3242, the valve core 3242 is cylindrical, the valve core 3242 is slidably arranged in a cylindrical valve cavity formed in the valve casing 3241, a circular groove 3243 is formed in the valve core 3242, a first port, a second port and a third port are formed in the valve casing 3241, the first port is communicated with the air inlet branch pipe 323, the second port is communicated with the first annular cavity 327, the third port is communicated with the second annular cavity 328, the first port is communicated with the second port through the circular groove 3243 in the valve core 3242 when the three-way reversing valve 324 is located at a station I, and the first port is communicated with the third port through the circular groove 3243 in the valve core 3242 when the three-way reversing valve 324 is located at the station II; the valve control mechanism comprises a ball head 325 fixedly connected with a valve core 3242 and a control disc 33 fixedly connected with the frame, a second elastic element 326 is arranged between the valve core 3242 and a valve casing 3241, the second elastic element 326 is assembled to enable the elastic force of the second elastic element to drive the valve core 3242 to communicate a first interface and a third interface, the axis of the control disc 33 is coaxially arranged with the axis of the rotary support 30, one end, facing the valve core 3242, of the control disc 33 is provided with a first sector 331 and a second sector 332, the first sector 331 is arranged closer to the valve core 3242 relative to the second sector 332, the first sector 331 and the second sector 332 are in smooth slope transition, the three-way reversing valve 324 is in a station I when the ball head 325 is abutted against the first sector 331, and the three-way reversing valve 324 is in a station II when the ball head 325 is abutted against the second sector 332; each air inlet and outlet branch pipe 323 is fixedly connected with the rotary bracket 30, and the main air supply pipe 321 and the main air outlet pipe 322 are fixedly connected with the frame; as shown in fig. 21, a semicircular notch is respectively formed at the seam of the two bucket-shaped half shells 310, and after the two bucket-shaped half shells 310 are fastened, the semicircular notches form a duct through which the intake/exhaust branch pipes 323 pass.

The specific operation of the steam heating forming device 30 is as follows: when the bending robot moves below the swing frame 30 with the transfer device 50, the heating chamber 31 located at the lowermost position of the swing frame 30 clamps the bending robot 20, then the bending manipulator 20 is overturned, when the heating chamber 31 enters the first section, the air inlet and outlet branch pipe 323 is communicated with the main air supply pipe 321, the heating chamber 31 is filled with high-temperature steam, after the high-temperature steam is heated for a period of time, the gear 251 of the bending manipulator 20 is combined with the arc-shaped rack 36, the bending manipulator 20 bends the wood strip gradually along with the rotation of the rotary bracket 30, when the wood strips are bent into the designated shape, the gear 251 is separated from the arc-shaped rack 36, the rotary bracket 30 is turned over for a certain distance, the exhaust branch pipe 323 is communicated with the exhaust pipe, the high-temperature steam in the heating chamber 31 is exhausted, the wood strips are gradually cooled, when the heating chamber 31 is returned to the lowermost position of the swing frame 30 again, the heating chamber 31 is opened, and the bending robot 20 is separated from the swing frame 30 and is again attached to the transfer device 50.

As shown in fig. 22-24, a strip-shaped gap 214 is arranged on the fixing roller 21 near the middle of the bending section of the wood strip, the length direction of the strip-shaped gap 214 is parallel to the axial direction of the fixing roller 21, and the strip-shaped gap 214 penetrates through the end face of the fixing roller 21; the discharging mechanism comprises a discharging rod 41, the discharging rod 41 is horizontally arranged, the discharging rod 41 is movably arranged along the direction parallel to the axis of the fixed roller 21, and the discharging rod 41 is movably arranged along the vertical direction; when the bending manipulator 20 moves to the side of the discharging and guiding mechanism along with the conveying device 50, the discharging rod 41 is inserted into the strip-shaped gap 214 along the horizontal direction and then is lifted upwards along the vertical direction so as to remove the battens on the fixed roller 21 from the fixed roller 21; the material distributing structure comprises two material guiding rods 42 which are arranged in parallel, the material guiding rods 42 are arranged at an included angle with the horizontal direction, and the discharging rod 41 is positioned between the two material guiding rods 42 when the discharging rod is seen along the vertical direction; the lower end of the material guiding rod 42 is provided with a blocking wall for preventing the battens from sliding down; the material distributing mechanism further comprises a material distributing rod 43 arranged at the lower end of the material guiding rod 42, the material distributing rod 43 and the material guiding rod 42 are arranged in parallel, the material distributing rod 43 reciprocates along the vertical direction, only the wood strips at the lowest end on the material guiding rod 42 are overlapped with the rod section of the material distributing rod 43 when seen along the vertical direction, when the material distributing rod 43 moves from bottom to top, the wood strips at the lowest end of the material guiding rod 42 can be jacked upwards, and when the wood strips are separated from the blocking wall, the wood strips can slide downwards along the material distributing rod 43; a conveying belt 44 is arranged below the material distributing rod 43; the discharging rod 41 is fixed on a sliding block of a horizontal electric cylinder 411, the horizontal electric cylinder 411 is fixedly connected with a piston rod of a first vertically arranged air cylinder 412, and the distributing rod 43 is fixedly connected with a piston rod of a second vertically arranged air cylinder 431.

Example 2

A method of processing wood products using the system of example 1, comprising the steps of:

and 4, step 4: arranging a plurality of battens in parallel into a row, and transferring the whole row of battens to a bending manipulator 20;

and 5: placing the bending manipulator 20 in a heating chamber 31, and introducing high-temperature steam into the heating chamber 31 to soften the battens, wherein the steam temperature is 120-140 ℃;

step 6: after the wood strips are heated for 10-20 min by steam, the bending manipulator 20 starts to bend the wood strips, and the bending amplitude is gradually increased along with the increase of the heating time;

and 7: after the wood strips are heated by steam for 40-60 min, the wood strips are bent into a specified shape, at the moment, the steam in the heating chamber 31 is discharged, the wood strips are cooled gradually in the heating chamber 31, and the bending manipulator 20 keeps the wood strips in a bent state all the time in the cooling process;

and 8: cooling for 5-10 min, and taking out the bending manipulator 20 from the heating chamber 31;

and step 9: the bending manipulator 20 is sent into a drying device 60 to dry the battens;

step 10: the dried strips are removed from the bending robot 20 and transported to downstream equipment one by one.

In the step 4, the material feeding mechanism 10 is adopted to discharge and transfer the battens.

In step 5, the operation of placing the bending robot 20 in the heating chamber 31 is performed by the transfer device 50 and the swing mechanism.

In step 5, the operation of introducing the high-temperature steam into the heating chamber 31 is completed by the air inlet and outlet device.

In the step 9, the drying device 60 is used to dry the battens.

In the step 10, the dried battens are detached from the bending manipulator 20 by using the unloading device 40 and are conveyed to downstream equipment one by one.

When the bending manipulator 20 is conveyed to the side of the feeding mechanism 10 by the conveying device 50, the swing roller 22 of the bending manipulator 20 is positioned at the station a, the movable fork roller 23 is positioned at the station c, and the pushing unit is flush with the horizontal gap between the swing roller 22 and the movable fork roller 23; the pushing unit pushes the battens to a position between the swing roller 22 and the movable fork roller 23, then the second swing rod 234 swings upwards for a certain angle to enable the movable fork roller 23 and the swing roller 22 to clamp the battens, and at the moment, the battens just separate from the pushing unit.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A method for processing a wood product, comprising: the method comprises the following steps:

and 4, step 4: arranging a plurality of battens in parallel into a row, and transferring the whole row of battens to a bending manipulator (20); the bending manipulator (20) comprises a base (24), a fixed roller (21), a swinging roller (22) and a movable fork roller (23), the axes of the fixed roller (21), the swinging roller (22) and the movable fork roller (23) are parallel to each other, the fixed roller (21) is fixedly connected with the base (24), the swinging roller (22) is fixedly connected with a first swing rod (221), the first swing rod (221) is pivoted with the base (24), the movable fork roller (23) comprises two roller bodies (231) which are parallel to each other, the two roller bodies (231) are fixedly connected with a lever (232), the middle part of the lever (232) is pivoted with a second swing rod (234), the second swing rod (234) is pivoted with the base (24) and the pivot is coaxially arranged with the pivot between the first swing rod (221) and the base (24), the fixed roller (21) is provided with one, the swinging roller (22) and the movable fork roller (23) are respectively and symmetrically provided with a pair, the swinging roller (22) is provided with a station b, the movable fork roller (23) is provided with a station c and a station d along a swinging path, when the swinging roller (22) is positioned at the station a and the movable fork roller (23) is positioned at the station c, the straight batten raw material can be inserted among the fixed roller (21), the swinging roller (22) and the movable fork roller (23), the fixed roller (21) and the swinging roller (22) are positioned at one side of the batten raw material, and the movable fork roller (23) is positioned at the other side of the batten raw material; when the movable fork roller (23) swings from the station c to the station d, the batten raw material can be bent by taking the fixed roller (21) as a fulcrum, the swing roller (22) is driven from the station a to the station b through the batten raw material, the swing roller (22) stops after moving to the station b, and at the moment, the movable fork roller (23) continues swinging to the station d, so that the batten raw material between the swing roller and the fixed roller (21) can be bent into a concave shape, and the batten integrally presents a waist-shaped vase-shaped outline;

and 5: placing the bending manipulator (20) in a heating chamber (31), and introducing high-temperature steam into the heating chamber (31) to soften the battens, wherein the steam temperature is 120-140 ℃;

step 6: after the wood strips are heated for 10-20 min by steam, the bending manipulator (20) starts to bend the wood strips, and the bending amplitude is gradually increased along with the increase of the heating time;

and 7: after the wood strips are heated by steam for 40-60 min, the wood strips are bent into a specified shape, at the moment, the steam in the heating chamber (31) is discharged, the wood strips are cooled gradually in the heating chamber (31), and the bending manipulator (20) keeps the wood strips in a bent state all the time in the cooling process;

and 8: cooling for 5-10 min, and taking out the bending manipulator (20) from the heating chamber (31);

and step 9: the bending manipulator (20) is sent into a drying device (60) to dry the battens;

step 10: the dried wood strips are detached from the bending manipulator (20) and conveyed to downstream equipment one by one.

2. A method of producing a wood product according to claim 1, wherein: in the step 4, the battens are discharged and transferred by the aid of the feeding mechanism (10), the feeding mechanism (10) comprises a storage tank (11), a discharging unit, a transferring unit and a pushing unit, the storage tank (11) is used for storing straight batten raw materials, a discharge port is formed in the bottom of the storage tank (11), the discharging unit is connected with the discharge port, the discharging unit is assembled to enable the batten raw materials to be discharged one by one from the discharge port and arranged into a row in parallel, the transferring unit is used for transferring the batten raw materials arranged in the discharging unit to the pushing unit, and the pushing unit is used for pushing the arranged batten raw materials to the bending manipulator (20).

3. A method of producing a wood product according to claim 1, wherein: in the step 5, the operation of placing the bending manipulator (20) in the heating chamber (31) is completed by a conveying device (50) and a rotary mechanism, the rotary mechanism comprises a rotary support (30), the bending manipulator (20) is detachably mounted on the conveying device (50), the conveying device (50) conveys the bending manipulator (20) to translate along a horizontal path, the rotary support (30) is located on the conveying path of the conveying device (50), the rotary support (30) is rotatably connected with the rack along the horizontal axis and the axis direction of the rotary support is vertical to the conveying direction of the conveying device (50), a plurality of heating chambers (31) are circumferentially arranged on the rotary support (30) at intervals, the heating chamber (31) is composed of two bucket-shaped half shells (310) which are opened and closed, and the two bucket-shaped half shells (310) are assembled so that when the bending manipulator (20) moves to the lower part of the rotary support (30) along with the conveying device (50), the two bucket-shaped half shells (310) can be mutually buckled and bend The bending manipulator (20) is covered in a cavity surrounded by the two bucket-shaped half shells (310) and the bending manipulator (20) is separated from the conveying device (50).

4. The wood thermoforming method as recited in claim 2, characterized in that: in the step 5, the operation of introducing high-temperature steam into the heating chambers (31) is completed by an air inlet and exhaust device, the air inlet and exhaust device comprises a main air supply pipe (321), a main exhaust pipe (322) and a plurality of air inlet and exhaust branch pipes (323), each air inlet and exhaust branch pipe (323) is respectively communicated with each heating chamber (31) in a one-to-one correspondence manner, a three-way reversing valve (324) is arranged between each air inlet and exhaust branch pipe (323) and the main air supply pipe (321) and between each air inlet and exhaust branch pipe (323) and the main exhaust pipe (322), the three-way reversing valve (324) is provided with a station I and a station II, when the three-way reversing valve (324) is positioned at the station I, the air inlet and exhaust branch pipes (323) are communicated with the main air supply pipe (321), and when the three-; the air inlet and exhaust branch pipe (323) and the three-way reversing valve (324) are fixedly connected with the rotary support (30), a valve control mechanism for controlling the three-way reversing valve (324) to switch between the station I and the station II is arranged on the rack, and the valve control mechanism is assembled to enable the three-way reversing valve (324) to be kept at the station I when the heating chamber (31) rotates along with the rotary support (30) in the first section and enable the three-way reversing valve (324) to be kept at the station II when the heating chamber (31) rotates along with the rotary support (30) in the second section.

5. The wood thermoforming method as recited in claim 1, characterized in that: in the step 9, a drying device (60) is used for drying the battens, the drying device (60) comprises a box body blower and an electric heating device, an air outlet of the blower is communicated with an inner cavity of the box body through a pipeline, and the electric heating device is arranged on the pipeline.

6. The wood thermoforming method as recited in claim 1, characterized in that: in the step 10, a discharging device (40) is adopted to detach the dried battens from the bending manipulator (20) and convey the battens to downstream equipment one by one, wherein the discharging device (40) comprises a discharging mechanism and a distributing mechanism, the discharging mechanism is used for moving the battens on the bending manipulator (20) out of a fixed roller (21), and the distributing mechanism is used for separating the moved battens one by one and conveying the battens downstream; a strip-shaped gap (214) is formed in the position, close to the middle of the wood strip bending section, of the fixing roller (21), the length direction of the strip-shaped gap (214) is parallel to the axial direction of the fixing roller (21), and the strip-shaped gap (214) penetrates through the end face of the fixing roller (21); the discharging mechanism comprises a discharging rod (41), the discharging rod (41) is horizontally arranged, the discharging rod (41) is movably arranged along the direction parallel to the axis of the fixed roller (21), and the discharging rod (41) is movably arranged along the vertical direction; when the bending manipulator (20) moves to the side of the discharging and guiding mechanism along with the conveying device (50), the discharging rod (41) is inserted into the strip-shaped gap (214) along the horizontal direction and then is lifted upwards along the vertical direction so as to remove the battens on the fixed roller (21) from the fixed roller (21); the material distributing structure comprises two material guiding rods (42) which are arranged in parallel, the material guiding rods (42) and the horizontal direction form an included angle, and the discharging rod (41) is positioned between the two material guiding rods (42) when viewed in the vertical direction; the lower end of the material guide rod (42) is provided with a blocking wall for preventing the battens from sliding down; the material distributing mechanism further comprises a material distributing rod (43) arranged at the lower end of the material guiding rod (42), the material distributing rod (43) and the material guiding rod (42) are arranged in parallel, the material distributing rod (43) is arranged in a reciprocating mode along the vertical direction, only the wood strips at the lowest end on the material guiding rod (42) are overlapped with the rod section of the material distributing rod (43) when the material distributing rod (43) moves from bottom to top, the wood strips at the lowest end of the material guiding rod (42) can be jacked upwards, and the wood strips can slide downwards along the material distributing rod (43) after being separated from the blocking wall; a conveying belt (44) is arranged below the material distributing rod (43); the discharging rod (41) is fixed on a sliding block of a horizontal electric cylinder (411), the horizontal electric cylinder (411) is fixedly connected with a piston rod of a first vertically-arranged air cylinder (412), and the distributing rod (43) is fixedly connected with a piston rod of a second vertically-arranged air cylinder (431).

7. The wood thermoforming method as recited in claim 2, characterized in that: when the bending manipulator (20) is conveyed to the side of the feeding mechanism (10) by the conveying device (50), the swing roller (22) of the bending manipulator (20) is positioned at a station a, the movable fork roller (23) is positioned at a station c, and the pushing unit is flush with a horizontal gap between the swing roller (22) and the movable fork roller (23); the pushing unit pushes the battens to a position between the swing roller (22) and the movable fork roller (23), then the second swing rod (234) swings upwards for a certain angle to enable the movable fork roller (23) and the swing roller (22) to clamp the battens, and at the moment, the battens are just separated from the pushing unit.

8. The wood thermoforming method as recited in claim 7, characterized in that: the bottom of the storage tank (11) is of a funnel-shaped structure which narrows from top to bottom, the discharge unit comprises a discharge roller (12) and an inclined slide way (13), the discharge roller (12) is rotatably connected with the storage tank (11) along a horizontal axis, strip grooves parallel to the axis direction of the discharge roller (12) are arranged on the roller surface of the discharge roller (12), the strip grooves are multiple and are arranged at intervals along the circumferential direction of the discharge roller (12), and the width and the depth of each strip groove are set to only accommodate one wood strip raw material to fall into the strip groove; the upper part of the discharging roller (12) is opposite to the discharge hole of the storage tank (11), the peripheral surface of the lower part of the discharging roller (12) is externally provided with a surrounding wall, the surrounding wall is fixedly connected with the storage tank (11), the inclined slideway (13) is fixedly connected with the surrounding wall, the inclined slideway (13) comprises two guide plates which are arranged in parallel at intervals, a clamping cavity between the two guide plates can only accommodate one batten raw material to pass through, and the clamping cavity is communicated with the space where the discharging roller (12) is located; the pushing unit comprises a material pushing frame (16) which is arranged below the discharging unit in a sliding mode along the horizontal direction, the material pushing frame (16) comprises at least two strip-shaped supporting plates which are perpendicular to the length direction of the batten raw materials and are arranged at intervals, and accommodating grooves (161) for accommodating the batten raw materials are formed in the strip-shaped supporting plates; the pushing unit also comprises a pushing driving element for driving the pushing rack (16) to horizontally slide; the transfer unit comprises a turnover slideway (14) and a lifting support (15), the turnover slideway (14) is hinged with the lifting support (15), the lifting support (15) is movably connected with the frame along the vertical direction, the turnover slideway (14) is provided with an inclined station and a horizontal station, the lifting support (15) is provided with a high position and a low position along the vertical direction, when the turnover slideway (14) is positioned at an inclined station and the lifting bracket (15) is positioned at a high position, the turnover slideway (14) is butted with the lower end of the inclined slideway (13) so that the batten raw material in the inclined slideway (13) can roll into the turnover slideway (14), when the turnover slide way (14) belongs to the horizontal station and the lifting support (15) is at the low position, the turnover slide way (14) can be lowered below the strip-shaped supporting plate, so that the batten raw materials on the turnover slide way (14) fall in the accommodating groove (161) of the strip-shaped supporting plate.

9. The wood thermoforming method as recited in claim 3, characterized in that: a rotating shaft (27) is fixedly connected to the pivoting end of the second swing rod (234), the rotating shaft (27) is rotatably connected with the base (24), and a rotary driving unit for driving the rotating shaft (27) to rotate is arranged on the base (24); the rotary driving unit comprises a worm wheel (271) fixedly connected with the rotating shaft (27) and a worm (25) rotatably connected with the base (24), and a gear (251) is arranged at the end part of the worm (25); the rack is provided with a bending driving component which is arranged along the circumferential direction of the rotary bracket (30) and is used for driving the second swing rod (234) to swing; the bending driving component comprises an arc-shaped rack (36) arranged along a partial section of the circumferential direction of the rotating bracket (30), and the arc-shaped rack (36) is positioned on a moving path of the gear (251) when rotating along with the rotating bracket (30).

10. The wood thermoforming method as recited in claim 9, characterized in that: the upper end face and the lower end face of the base (24) are respectively provided with an arc-shaped groove (241), the arc centers of the two arc-shaped grooves (241) are coaxial, the side wall of one side of the two bucket-shaped half shells (310) which is spliced with each other is provided with an arc-shaped notch part (3101) for accommodating the base (24), the two bucket-shaped half shells (310) are pivoted with the rotary support (30) and are coaxially arranged through pivots, and the arc centers of the arc-shaped grooves (241) and the arc-shaped notch parts (3101) are positioned on the pivot axis between the bucket-shaped half shells (310) and the rotary support (30); when the two bucket-shaped half shells (310) are buckled, the arc edges of the arc-shaped notch parts (3101) are just inserted into the two arc-shaped grooves (241) in a rotary mode, so that one side of the base (24) is positioned inside the two bucket-shaped half shells (310) and the other side of the base (24) is positioned outside the two bucket-shaped half shells (310), wherein the fixed roller (21), the swing roller (22) and the movable fork roller (23) are positioned on the base (24) inside the two bucket-shaped half shells (310), and the worm wheel (271), the worm (25) and the gear (251) are positioned on the base (24) outside the two bucket-shaped half shells (310); the bottom surface of the base (24) is an arc surface, the conveying device (50) is provided with an installation seat (51), the top surface of the installation seat (51) is an arc surface, the radius of the arc surface of the top surface of the installation seat (51) is consistent with that of the arc surface of the ground of the base (24), and the arc centers of the installation seat and the arc surface are both positioned on the rotating axis of the rotating support (30); a T-shaped groove (242) extending along the contour of the cambered surface is formed in the bottom surface of the base (24), a T-shaped sliding rail (512) extending along the contour of the cambered surface is formed in the top surface of the mounting seat (51), and the T-shaped groove (242) is in sliding fit with the T-shaped sliding rail (512); a locking mechanism is further arranged between the base (24) and the mounting seat (51), the locking mechanism is assembled to lock the base (24) and the mounting seat (51) relatively when the two bucket-shaped half shells (310) are not covered on the base (24), and the locking mechanism can release the base (24) and the mounting seat (51) mutually to enable the base (24) to slide along the T-shaped sliding rail (512) when the two bucket-shaped half shells (310) cover the base (24); the locking mechanism comprises a locking block (243) which is arranged in the base (24) in a sliding way along the direction vertical to the bottom surface of the base (24), and a locking groove (513) arranged on the top surface of the T-shaped sliding rail (512), a first elastic element (244) is arranged between the locking block (243) and the base (24), the first elastic element (244) is assembled to enable the elastic force of the first elastic element to drive the locking block (243) to be inserted into the locking groove (513), the locking block (243) extends into an arc-shaped groove (241) on the bottom surface of the base (24), and the two sides of the part of the locking block (243) in the arc-shaped groove (241) are provided with wedge surfaces, a wedge driving surface (3102) is arranged at the corner of the outer arc edge of the arc-shaped notch part (3101), when the two bucket-shaped half shells (310) are mutually buckled, the wedge driving surface (3102) can push the locking block (243) through the wedge surface to enable the locking block (243) to be drawn out from the locking groove (513).