CN210512516U

CN210512516U - Automatic change veneer drying device

Info

Publication number: CN210512516U
Application number: CN201921701244.7U
Authority: CN
Inventors: 周维兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-05-12
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses an automatic change veneer drying device, include: a plurality of groups of feeding units; the drying unit is provided with a plurality of sections of drying zones according to different drying temperatures; the feeding units are matched with the feeding units to separate the veneers stacked on the feeding units and respectively convey the veneers to the drying units; wherein, each wood skin after the separation passes through the centre gripping unit that sets up on drying unit and then sets up perpendicularly in the drying area, realizes automatic stoving operation. The utility model provides an automatic change veneer drying device, it can be through the cooperation of each unit, accomplishes the automatic drying process of veneer, and it is little to have an area, and degree of automation is high, does not receive the weather change influence, can practice thrift a large amount of labours to reduction in production cost improves production efficiency's effect.

Description

Automatic change veneer drying device

Technical Field

The utility model relates to a device that uses under the product stoving condition. More specifically, the utility model relates to an automatic veneer drying device who is used in the veneer processing circumstances.

Background

The veneer is commonly called as a medium veneer, is formed by cutting and turning wet miscellaneous wood into pieces by a fixed-length saw, is mainly used as a main raw material of multi-product boards, wood templates, blockboards and composite ecological boards, and has large market demand.

After the product is processed and formed, the product has the characteristics of high water content, thinness, easy tearing and the like, and generally, the specifications required by the current market are as follows: 1300mm 800mm and 0.6 mm-2 mm thickness, and during the processing and turning of the veneer, in order to ensure the turning effect and stability, the common method is to carry out processing operation when the log in the section has moisture, so the veneer after turning has heavy moisture content and is easy to generate adhesion, and when the veneer is finished and delivered, the moisture content of the veneer needs to be controlled to be less than 90%, so the common method in the prior art is to separate the turned laminated veneer manually, then use a matched drying rack to longitudinally arrange the separated veneers on a drying yard, and dry the veneers until the moisture content is less than about 90% to collect the finished product.

The existing operation method has the following problems: firstly, a large amount of labor is needed, and the veneers separated manually are easy to tear and damage, so that the veneers become unqualified products and cannot be used, the yield of the veneers is influenced, and waste is caused; secondly, the airing field occupies a large area, the airing effect and the airing period are greatly influenced by weather, and the aired veneers need to be collected in rainy days or weather change, so that the labor cost is high, and the veneers are easy to warp or curl due to too high temperature; in the condition of a sunning field of one mu of land with good weather of 25 to 28 degrees, only 3m of veneer can be sunned in one day³(ii) a If the environmental temperature is too low or the moisture is too heavy, the number of days for airing is prolonged, so that the yield of the veneer is highThe amplitude is reduced, thereby causing the increase of production cost and low production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

The utility model discloses it is also an object to provide an automatic change veneer drying device, its cooperation that can pass through each unit accomplishes the automatic drying process of veneer, and it is little to have an area, and degree of automation is high, does not receive weather change influence, can practice thrift a large amount of labours to reduction in production cost improves production efficiency's effect.

In order to realize according to the utility model discloses these objects and other advantages, an automatic veneer drying device is provided, include:

a plurality of groups of feeding units;

the drying unit is provided with a plurality of sections of drying zones according to different drying temperatures;

the feeding units are matched with the feeding units to separate the veneers stacked on the feeding units and respectively convey the veneers to the drying units;

wherein, each wood skin after the separation passes through the centre gripping unit that sets up on drying unit and then sets up perpendicularly in the drying area, realizes automatic stoving operation.

Preferably, each group of the feeding units is configured to respectively comprise a feeding trolley and a lifting component arranged on the feeding trolley to lift the laminated veneer to the feeding area;

the feeding trolley is configured to comprise an upper limiting plate and a lower limiting plate, the width of the upper limiting plate is configured to be larger than that of the lower limiting plate, and at least four rollers are arranged on the upper limiting plate;

the lifting assembly is arranged between the upper limiting plate and the lower limiting plate and is provided with at least one layer of scissor-shaped telescopic frame;

the telescopic frame is characterized in that a first grooved wheel for limiting is arranged on one side of the lower limiting plate, a first power mechanism is arranged on the other side of the lower limiting plate, a fixing plate is arranged on one side, close to the first power mechanism, of the telescopic frame, and the output end of the first power mechanism is connected with the fixing plate through a first steel wire wound on the first grooved wheel.

Preferably, wherein the drying unit is configured to include:

a frame for supporting, and a housing provided outside thereof for enclosing the device;

a plurality of groups of electric heating components arranged at the bottom of the frame;

and a wind heating assembly disposed at the top of the frame;

wherein the electrical heating assembly is configured to include:

the wood veneer drying device comprises a plurality of groups of supporting frames, wherein a plurality of heating rollers or heating rods are respectively arranged in each group of supporting frames, the temperature or the power of the heating rollers or the heating rods in each group of supporting frames is configured in a gradually decreasing state in the output direction of a wood veneer so as to form a multi-section drying area, and a plurality of air holes are formed in the surfaces of the supporting frames;

the wind heating assembly is configured to include:

at least two suction fans provided on the frame;

the condensing assembly is arranged at the air outlet end of each fan, and a plurality of groups of condensing mechanisms for dehumidifying through circulating cooling water are arranged on the condensing assembly;

and an air outlet side of the condenser is arranged to circularly convey the dehumidified dry air to an air pipe at the front end of the drying unit.

Preferably, the feeding unit is configured to include:

the material moving assembly is used for separating the veneers on the feeding unit;

the first horizontal conveying platform is used for being matched with the material moving assembly;

the feeding assembly is used for moving the veneer on the first horizontal conveying table to the feeding side of the drying unit;

wherein the material moving assembly is configured to include:

the sucking disc matrixes are respectively matched with the feeding units and are respectively communicated with the vacuum generator through matched air pipes;

the air pipe is provided with a spring between the sucker matrix and the first mounting frame, and a first stopping part is arranged at the position of the air pipe penetrating through the first mounting frame;

the first telescopic mechanism is used for enabling the sucker matrix to walk up and down in a longitudinal preset stroke and is connected with the first mounting frame through the second mounting frame;

the third mounting frame is matched with the first telescopic mechanism to provide a mounting position of the third mounting frame;

and the horizontal frame is matched with the second mounting frame, and a horizontal guide rail and a second telescopic mechanism which can enable the third mounting frame to walk in the horizontal direction are arranged on the horizontal frame.

Preferably, the feeding assembly is configured to include:

the deflection frame is matched with the output end of the first horizontal conveying platform and comprises two first transmission shafts which are oppositely arranged and a plurality of transmission belts which are arranged on the transmission shafts, the deflection frame realizes deflection angle control through a second power mechanism, and the initial position of the deflection frame forms an included angle of 110 degrees and 130 degrees with the horizontal plane;

a power output shaft of the third power mechanism is connected with the speed reducer through a first transmission belt, a first double-chain wheel is arranged at the output end of the speed reducer and is in transmission connection with a first gear on the first transmission shaft and a second double-chain wheel on the horizontal fixing frame of the first horizontal conveying table through a second transmission belt which is matched with the first double-chain wheel, and the second double-chain wheel is in transmission connection with a second gear on a second transmission shaft of the first horizontal conveying table through a third transmission belt;

wherein, the deflection frame bottom is provided with and limits, just telescopic second backstop portion the veneer position.

Preferably, the drying device further comprises a discharging unit matched with the discharging side of the drying unit, and the discharging unit is configured to comprise:

the discharging trolley is provided with a third stopping part for limiting the position of the longitudinal veneer;

the device comprises a rack, a lifting device and a lifting device, wherein a sliding track for the roller of the dump car to travel is arranged on the rack;

the discharging trolley is characterized in that a second grooved wheel is arranged on one side of the rack, a fourth power mechanism is arranged on the other side of the rack, and the output end of the fourth power mechanism is connected with the discharging trolley through a second steel wire wound on the second grooved wheel.

Preferably, wherein the clamping unit is configured to include:

the plurality of clamps are matched with the upper ends of the veneers conveyed by the feeding units so as to lead the veneers to be in a vertical state in space through clamping;

the transmission links are oppositely arranged above the drying unit, and two ends of the drying unit form two groups of circulating transmission links through third gears which are arranged up and down;

wherein, the chain of each transmission link is provided with a fixing lug for fixing the two ends of each clamp in a penetrating way, and each clamp is configured to have a gap of 1.7-2mm in the transmission direction of the transmission link so as to form a circulating veneer drying output supply chain in space.

Preferably, the drying device further comprises a second horizontal conveying platform arranged above the multiple groups of electric heating assemblies of the drying unit;

the guide plates are arranged at the corners of the transmission chain wheels and connected with the rack through a bending mounting plate, and strip-shaped mounting holes are formed in the bending mounting plate at the positions matched with the guide plate mounting screws;

the cam lever is arranged at one end part of each clamp penetrating through the fixing lug, the bearing is arranged at one side matched with the guide plate, and the mounting positions of the cam levers on the adjacent clamps are configured to be staggered.

Preferably, wherein each clamp is configured to include:

the hollow rectangular clamping part is matched with each veneer to be clamped;

a fixing shaft disposed between the transmission sprockets to fix the clamp by passing through the fixing lug;

a fixing member for connecting the clamping portion with both end portions of the fixing shaft;

the clamping part is provided with a mounting groove for the fixing part to extend into, and one end of the fixing part matched with the fixing shaft is provided with a mounting ring for the fixing shaft to penetrate through.

Preferably, each group of transmission links is configured to adopt two rows of roller chains, and the fixing lug is configured between the two rows of roller chains;

wherein, the frame is provided with a support guide plate made of polyethylene or nylon material below each transmission link horizontal output section;

two first fixing holes for the roller chains to pass through and a second fixing hole for the fixture fixing shaft to pass through are formed in the fixing lug, and the first fixing holes and the second fixing holes are spatially arranged in a delta shape.

The utility model discloses at least, include following beneficial effect: firstly, the automatic separation, automatic feeding and automatic drying of the veneer are realized by arranging the feeding unit, the feeding unit and the drying unit which are matched, the requirement on the area is low, the weather dependence is avoided, the drying speed of the product can be improved by 3-5 times, the labor cost is reduced, the production cost is reduced, and the production efficiency meets the production requirement.

And secondly, the utility model discloses a set up each part of equipment, have autoloading, the operation is dried, the effect of automatic discharge pile, according to the product characteristic, toast and divide into high-temperature region, well warm area, low-temperature region, according to the production scale, but single-box stoving and flowing water are dried, very big reduction labour improve production efficiency.

Third, the utility model discloses a to the design of clamping unit for the automatic centre gripping of veneer upper end is realized to arranging, orbit motion, self gravity, the design of deflection angle of veneer accessible anchor clamps, and interval between the veneer carries out the interval through anchor clamps behind the centre gripping card, guarantees the gas permeability when saving space, promotes drying efficiency.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of a spatial layout structure of an automatic veneer drying device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a feeding unit according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a feeding unit in another working state according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the electric heating assembly cooperating with the frame according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an electric heating assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the wind heating assembly and the frame in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a condensing mechanism according to an embodiment of the present invention;

fig. 8 is a schematic view of a part of the structure of the feeding unit according to an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of the translation unit shown in FIG. 8;

FIG. 10 is a partial enlarged view of the structure of FIG. 9 from another perspective;

FIG. 11 is a diagram of one of the state diagrams in the operation of FIG. 8;

FIG. 12 is a diagram of another state in operation of FIG. 8;

FIG. 13 is a diagram of another state in operation of FIG. 8;

fig. 14 is a schematic structural view of a feeding assembly according to an embodiment of the present invention;

fig. 15 is a schematic view of a deflector frame assembly according to another embodiment of the present invention;

fig. 16 is a schematic view of the deflector frame and the holding unit according to another embodiment of the present invention;

fig. 17 is a schematic structural view illustrating the assembly of a discharge unit according to another embodiment of the present invention;

FIG. 18 is a schematic view of an operating state of the discharge unit in FIG. 17;

FIG. 19 is a schematic view of another operating state of the discharge unit in FIG. 17;

fig. 20 is a schematic structural view of the fitting of the clamp and the transmission link in one of the viewing angles of the present invention;

fig. 21 is a schematic structural view of the present invention showing the cooperation between the clamp and the transmission link at another view angle;

fig. 22 is a schematic diagram of a structure of a part of a transmission link in a viewing angle according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 shows according to the utility model discloses an automatic change veneer drying device implementation form, wherein include:

a plurality of sets of feeding units 1 for arranging the laminated veneer on the side of the feeding unit so as to perform a separating operation thereon;

the drying unit 2 is provided with a plurality of sections of drying areas according to different drying temperatures, and is used for drying and removing moisture from the separated veneers through the drying areas so as to form a veneer finished product with the moisture content lower than 90%, and the temperature is distinguished in a region reduction state from the input side to the output side of the drying unit so as to ensure that the surface stability of the veneers is better in the drying process, the veneers cannot deform and the quality stability of the product is ensured;

the feeding units are matched with the feeding units to separate the veneers stacked on the feeding units and respectively convey the veneers to the feeding units 3 of the drying units, and the feeding units are used for separating the stacked veneers so as to respectively perform drying operation on the stacked veneers at the later stage;

wherein, each veneer through the separation sets up in the drying area perpendicularly through the centre gripping unit 4 that sets up on the unit of drying, realizes automatic stoving operation, and it carries out single vertical separation to the veneer after the separation through the centre gripping unit, and the stoving operation of being convenient for, and then guarantee that the stoving operation of each veneer is not influenced.

In another example, as shown in fig. 2 to 3, each group of feeding units is configured to include a feeding cart 10 and a lifting assembly provided thereon to lift the stacked veneers to a feeding area, the stacked veneers are transported to a designated position by the feeding cart, and the lifting assembly is used to lift the remaining veneers to a predetermined position when the veneers are separated by a predetermined height, so as to facilitate the separation operation of the feeding unit;

the feeding trolley is configured to comprise an upper limiting plate 11 and a lower limiting plate 12, a space is formed between the upper limiting plate and the lower limiting plate through the upper limiting plate and the lower limiting plate to accommodate an expansion bracket 13, the width of the upper limiting plate is configured to be larger than that of the lower limiting plate, at least four rollers 14 are arranged on the upper limiting plate, the wood veneer is moved under the action of the rollers, meanwhile, one side of the trolley can be provided with a handle convenient to move, and the width of the upper side of the trolley is set to be larger than that of the lower limiting plate, so that the feeding trolley can be used for distinguishing the positions of all parts of equipment, such as the rollers;

the lifting assembly is arranged between the upper limiting plate and the lower limiting plate, and is provided with at least one layer of scissor-shaped telescopic frame 13 for jacking the veneer to a preset position under the action of the telescopic frame so as to facilitate single-sheet feeding operation of the feeding unit;

the telescopic frame is characterized in that a first grooved wheel 15 for limitation is arranged on one side of a lower limiting plate, a first power mechanism 16 is arranged on the other side of the lower limiting plate, the working position of the telescopic frame can be limited through a mounting plate 18 matched with the lower limiting plate, the telescopic frame can also be arranged below a first horizontal transmission platform, a fixing plate 17 is arranged on one side of the telescopic frame close to the first power mechanism, the positions of the fixing plates can be distinguished according to the types of the power mechanisms, if a motor is adopted, the first grooved wheel is matched with the fixing plate below, if an air cylinder is adopted, the fixing plate above is matched, the output end of the first power mechanism is connected with the fixing plate through a first steel wire (not shown) wound on the first grooved wheel, the first power mechanism drives the telescopic frame to adjust the distance between the pivoting positions through the steel wire, the telescopic height is adjusted, and the first grooved wheel plays a role in reducing the friction, the stability of its work in-process is guaranteed, its work flow is for placing the product on the feed shallow, because of be provided with the elevating platform on it, so can correspond with the stroke of inhaling the material district, its topmost wooden skin corresponds with the minimum stroke that the sucking disc inhaled the material district, when the topmost wooden skin corresponds with maximum stroke, automatic 20cm that rises, its length adjustment to the steel wire that accessible motor (or replace through the cylinder) that rises realizes scissors frame (maximum stroke 1 meter), accomplishes the position transform of wooden skin, accomplishes the feed.

As in fig. 4-7, in another example, the drying unit is configured to include:

a frame 210 for supporting, and a case (not shown) provided at the outside thereof for enclosing the device, for sealing the inside, reducing heat overflow, and preventing thermal pollution;

the multiple groups of electric heating assemblies 220 arranged at the bottom of the frame have diversified heat supply modes, and can adopt an electric heating mode, a heat conduction oil heating mode and an external hot air energy source for supplying heat (the heat is removed by filtering and is conveyed to an air circulation system);

and the wind heating assembly 230 arranged on the top of the frame, the mechanism enables cold and hot air to flow, enables the baking temperature to be uniform, can be used as a channel of an external heat supply mode, and can select different energy supply modes according to the requirement;

wherein the electrical heating assembly is configured to include:

a plurality of sets of supporting frames 221, each set of supporting frame is internally provided with a plurality of heating rollers or heating rods 222, the temperature or power of the heating rollers or heating rods in each set of supporting frame is configured in a decreasing state in the output direction of the veneer so as to form a multi-section drying area, and the surface of the supporting frame is provided with a plurality of air holes 223 for transmitting heat upwards to the veneer to be processed;

the wind heating assembly is configured to include:

at least two suction fans 231 provided on the frame for sucking hot air with moisture separated from the veneer;

a condensing assembly 232 arranged at the air outlet end of each fan, on which a plurality of groups of condensing mechanisms 233 for dehumidifying by circulating cooling water are arranged, for reducing the water content of air and recycling waste heat air, the structure of which can be provided with a pipeline 235 for introducing cooling water or cooling air, which can be arranged in a stacked manner, further the water (wind) inlet pipe 236 or water (wind) outlet pipe 237 at the two ends are communicated, or the pipeline can be directly arranged in a channel arranged in a snake shape, and the condensing assembly can be provided with a water outlet end 238 for outputting condensed water;

set up condenser air-out side to the tuber pipe 234 of drying unit front end is carried in circulation to the dry air after will dehumidifying, constitutes heat energy circulation system on the whole, particularly, drying unit in this scheme can set up the degressive heating zone of three continuous temperature for the veneer to the centre gripping unit transmission heaies up below, the fan above the rethread induced drafts, realizes the air convection, will take out the steam in the induced draft through the condenser and get rid of, carry the dry air to electric heating assembly's high-temperature region again.

As shown in fig. 8-13, in another example, the feeding unit is configured to include:

a material moving assembly 310 for separating the veneer on the feeding unit;

a first horizontal transfer table 320 for cooperating with the material transfer assembly, which transfers the separated veneer to a designated position;

the feeding assembly 330 is used for moving the veneers on the first horizontal conveying table to the feeding side of the drying unit, and changes the position of the conveyed veneers into the longitudinal direction to finish feeding operation;

wherein the material moving assembly is configured to include:

suction cup matrixes 311 respectively matched with the feeding units of each group are respectively communicated with a vacuum generator (not shown) through matched air pipes 312, generate negative pressure through the vacuum generator and are conveyed to the suction cups through the air pipes to separate the laminated veneers;

the suction cup comprises a first mounting frame 313, wherein the suction cup matrixes are matched with each other to limit the positions of the suction cup matrixes, a spring 314 is arranged on the air pipe between the suction cup matrixes and the first mounting frame, a first stopping part 315 is arranged at the position, which penetrates through the first mounting frame, of the air pipe, the suction cup matrixes are matched with the positions of the groups of feeding units under the action of the first mounting frame, the section with hardness in the air pipe can move up and down on the mounting frame through the penetrating structural design, the descending position of the air pipe is limited under the action of the first stopping part, the suction cups can be matched with veneers with defects in flatness under the action of pressure through the action of the spring to finish adsorption separation operation, and the change of the upper position and the lower position of the suction cup can be returned to the initial position through the action of the spring to perform;

the first telescopic mechanism 316 is used for enabling the sucker matrix to walk up and down in a longitudinal preset stroke, is connected with the first mounting rack through the second mounting rack 317, all groups of the first mounting racks are combined into a whole through the second mounting rack, the suckers can be stretched up and down under the action of the first telescopic mechanism, the stroke of the first telescopic mechanism is matched with the current position to be separated of the veneer, and meanwhile, the veneer can be lifted to a preset height to complete separation and conveying of the veneer;

a third mounting rack 318 which is matched with the first telescopic mechanism to provide a mounting position thereof and is used for fixing the position of the first telescopic mechanism and matching with the horizontal rack to finish horizontal position conveying of the sucker;

the horizontal frame 319 matched with the second mounting frame is provided with a horizontal guide rail (not shown) for the third mounting frame to walk in the horizontal direction, and a second telescopic mechanism (not shown), the horizontal frame and the horizontal guide rail on the horizontal frame are used for guaranteeing the horizontal conveying of the second mounting frame, the horizontal position of the second mounting frame can be changed under the action of the second telescopic mechanism, and the first telescopic mechanism and the second telescopic mechanism in the scheme can select the matching of the air cylinder or the motor and the screw rod according to requirements.

As shown in fig. 14-16, in another example, the feeding assembly is configured to include:

the deflection frame 331 is matched with the output end of the first horizontal conveying table and comprises two first transmission shafts 332 which are oppositely arranged and a plurality of transmission belts 333 which are arranged on the transmission shafts, the deflection frame realizes deflection angle control through a third power mechanism, and the initial position of the deflection frame forms an included angle of 110 degrees and 130 degrees with the horizontal plane;

a third power mechanism 334, a power output shaft of which is connected with a speed reducer (not shown) through a first transmission belt 335, an output end of the speed reducer is provided with a first double sprocket 336, the first double sprocket is in transmission connection with a first gear 337 on the first transmission shaft and a second double sprocket 338 on the horizontal fixing frame of the first horizontal conveying table through a second transmission belt (not shown) which is matched with the first double sprocket, and the second double sprocket is in transmission connection with a second gear 339 on the second transmission shaft of the first horizontal conveying table through a third transmission belt (not shown);

wherein, the bottom of the deflection frame is provided with a second stopping part (not shown) which limits the position of the veneer and is telescopic, one end of the second stopping part can be connected with the deflection frame through a spring, the second stopping part retracts when being extruded by the deflection frame so as to be convenient for the veneer to contact with a second horizontal conveying platform on the drying unit, in the scheme, the optimal opening degree is achieved through the design of the deflection angle of a lever of the deflection frame, a baffle plate is arranged below the deflection frame so that the bottom of the veneer conveyed by a first horizontal conveying platform is flush when blanking, then the stopping part can retract after being overturned, further the wood is contacted with a second horizontal conveying platform at the lower part of the drying unit so as to realize the output of the veneer, the working process is that a third power mechanism is arranged as a motor and is connected with a speed reducer through a transmission belt, the output of the speed reducer is connected with a first gear on a transmission shaft on the deflection frame through, the deflection frame limits the deflection angle of the deflection frame through the cylinder, the initial position and the horizontal plane form an included angle of 110 degrees and 130 degrees, and the deflection frame corresponds to the position of the clamp when deflecting to be vertical to the horizontal plane, so that single feeding of the veneer is completed.

As shown in fig. 17-19, in another example, a discharge unit 5 is further included that cooperates with the discharge side of the drying unit and is configured to include:

the discharging trolley 510 is provided with a third stopping part (not shown) for limiting the position of the longitudinal veneer, the third stopping part can be set to be L-shaped, one end of the third stopping part can be connected with one side, provided with a pushing handle, of the trolley through a spring, when the veneer falls off, the position of the third stopping part is limited, the thickness of the veneer is larger, the position of the third stopping part is changed under the action of the spring, the veneer is enabled to have a certain discharging position, and meanwhile, the position of the discharged veneer can be limited through elastic acting force;

a frame 520, on which a sliding track 521 for the roller of the dump car to travel is arranged;

the second grooved wheel 522 is arranged on one side of the rack, the interference performance of the second grooved wheel during interference reduction work is guaranteed, the operation smoothness is higher, a fourth power mechanism (not shown) is arranged on the other side of the rack, the fourth power mechanism is set to be a motor, the output end of the fourth power mechanism is connected with the discharging trolley through a second steel wire wound on the second grooved wheel, the working process of the discharging trolley is that the discharging trolley is close to the output side of the drying unit, when the clamp operates to a deflection angle, the veneer naturally falls onto the trolley through self weight of the clamp, the bottom position of the veneer is limited through the bottom of the trolley, the veneer is flushed, when the veneer is discharged to a certain thickness, the length of the steel wire is changed through the fourth power mechanism, the position of the trolley is changed, and further discharging operation is facilitated.

As shown in fig. 20, in another example, the clamping unit is configured to include:

the plurality of clamps 410 which are matched with the upper ends of the veneers conveyed by the feeding unit to enable the veneers to be in a vertical state in space through clamping are distributed on the transmission link, but the clamps in the middle part are removed due to picture display problems, only the part with an illustrative structure is reserved, and a clamping circulating link similar to a rounded rectangle is formed in space;

the two transmission links 420 are arranged above the drying unit oppositely, and form a circulating link in space through the third gears 421 arranged up and down at the two ends of the drying unit, and the clamp with a preset gap in horizontal transmission can be separated to a preset angle through the action of the third gears at the two ends when the clamp is turned, so that the veneer can be clamped at the top end of the veneer through an included angle at the input side, and the veneer can be unloaded at the included angle at the other end;

wherein, the chain of each transmission link is provided with a fixing lug 422 for the two ends of each clamp to be fixed through, through the action of the fixing lug, the position of the clamp is limited, the clamp is driven to synchronously move in the moving process of the chain, the transmission of the veneer is completed, and each gripper is configured with a gap of 1.7-2mm in the transport direction of the transport link, to spatially constitute a circulating veneer drying output supply chain, in the proposal, the clamps are arranged on the transmission link in the horizontal transmission direction with a gap of 1.7mm between the clamps, the two ends of each clamp are connected with the connecting lugs under the chain through the third gears arranged up and down to form the transmission link with a round-angle rectangular structure, and the fixing is realized through the connection of the fixing shafts on the clamps and the connecting lugs under the chain, and then the wood veneer is always kept in a clamped state in the transfer process through a preset gap between the clamps.

As shown in fig. 4, 20-21, in another example, a second horizontal conveying table 430 is further included, which is arranged above the multiple groups of electric heating assemblies of the drying unit, and on which the conveying belt removes the middle part due to the picture display problem, and is used for supporting the product, namely the wood bark to be dried and transferred, and synchronously operates with the clamp to perform auxiliary supporting transfer on the product during the transferring process;

the guide plates 423 are arranged at the corners of the transmission chain wheels of each group, the transmission positions of all the included angles in the vertical direction are limited through the guide plates, specifically, one end of the cam lever is provided with a bearing, the bearing rolls or slides on the side edge of the guide rail to guide the position of the clamp, a larger angle is formed at the corner of the gear under the action of gravity, the wood veneer is clamped through the gravity and the adjacent position distance of the adjacent clamp, the wood veneer is connected with the rack through a bending mounting plate 424, the bending mounting plate is provided with strip-shaped mounting holes 425 at the positions matched with the guide plate mounting screws, the positions of the guide plates can be adjusted, and further the angles of deflection angles on the transmission chain of the guide plates are limited, namely the upper and lower positions of the guide plates can be adjusted through the strip-shaped mounting holes so as to adjust the included angles of the clamp;

the cam lever 426 is arranged at one side end part of each clamp penetrating through the fixing lug, a deflection angle cam lever clamp is formed in space, a lever deflection angle is calculated according to a specific operation track line and the optimal clamping position of a product, specifically, the deflection angle is about 25-30 degrees in space, a bearing 427 is arranged at one side matched with the guide plate, the installation positions of the cam levers on adjacent clamps are configured to be staggered, the effect is that the gap of the clamps and the deflection angle of the cam mark rod can be ensured through staggered arrangement, interference cannot occur between the clamps in the transmission process, the product can be ensured to be set at the optimal clamping position, and further, the stability of the operation of the equipment is ensured.

As shown in fig. 20-21, in another example, each clamp is configured to include:

the hollow rectangular clamping part 411 matched with each veneer to be clamped is made of aluminum alloy clamping plates made of aluminum alloy, and is used for ensuring the weight of the clamp and reducing the falling force of the clamp on the chain;

a fixing shaft 412 disposed between the transmission sprockets to fix the clip by passing through the fixing lugs, for accomplishing the connection between the clip and the fixing lugs through the fixing shaft;

a fixing member 413 for connecting the clamping portion and both end portions of the fixing shaft;

wherein, be provided with the mounting groove 414 that can supply the mounting to stretch into on the clamping part, the mounting is provided with the collar 415 that can supply the fixed axle to pass with fixed axle matched with one end, and it is used for wearing to establish on the fixed axle, and can further realize fixing through welding or screw connection's mode between collar and fixed axle, mounting groove and the mounting, and then guarantee that the structure of anchor clamps is lighter, and stability is better.

In another example, as shown in fig. 4 and 22, each set of transmission links is configured to employ a double row of roller chains 428, with the securing ears configured between the two rows of roller chains;

the support guide plates 440 made of polyethylene or nylon are respectively arranged below the horizontal output sections of the transmission links of the rack, and the chains are horizontally lifted through the support guide plates made of nylon materials below the operation chains, so that the influence of the sagging of the wood veneer on the structure of the wood veneer due to the overweight of the wood veneer in horizontal operation is prevented;

the fixing lugs are provided with two first fixing holes for the roller chains to pass through and a second fixing hole for the fixture fixing shaft to pass through, the first fixing holes and the second fixing holes are arranged in a delta shape in space, and the fixing lugs are used for enabling structural stability between components to be better through structural design, meanwhile, the fact that interference among the arrangement structures is small is guaranteed, and operation stability is better.

The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the automatic bark drying device of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. The utility model provides an automatic change veneer drying device which characterized in that includes:

a plurality of groups of feeding units;

2. The automated bark drying apparatus as set forth in claim 1, wherein each of the plurality of feeding units is configured to include a feeding trolley and a lifting assembly disposed thereon to lift the stacked bark to the feeding zone;

3. The automated veneer drying apparatus of claim 1, wherein the drying unit is configured to include:

and a wind heating assembly disposed at the top of the frame;

wherein the electrical heating assembly is configured to include:

the wind heating assembly is configured to include:

at least two suction fans provided on the frame;

4. The automated veneer drying apparatus of claim 1, wherein the feeding unit is configured to include:

wherein the material moving assembly is configured to include:

5. The automated veneer drying apparatus of claim 4, wherein the feeding assembly is configured to comprise:

6. The automated veneer drying apparatus of claim 1, further comprising a discharge unit coupled to the discharge side of the drying unit and configured to include:

7. The automated veneer drying apparatus of claim 1, wherein the clamping unit is configured to comprise:

8. The automated veneer drying apparatus according to claim 1, further comprising a second horizontal conveyor table disposed above the plurality of groups of electrical heating elements of the drying unit;

9. The automated veneer drying apparatus of claim 7, wherein each jig is configured to include:

the hollow rectangular clamping part is matched with each veneer to be clamped;

10. The automated wood bark drying apparatus of claim 8, wherein each set of transmission links is configured to employ two rows of roller chains, and the securing lug is configured between the two rows of roller chains;