CN111347509A

CN111347509A - Heating drying method for preventing wood from cracking

Info

Publication number: CN111347509A
Application number: CN202010323514.6A
Authority: CN
Inventors: 连营营; 王晨嘉
Original assignee: Individual
Current assignee: Hunan Guanhua Wood Art Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-06-30
Anticipated expiration: 2040-04-22
Also published as: CN111347509B

Abstract

The invention discloses a heating drying method for preventing wood from cracking, which utilizes the weight of the wood to control the rising of an adjusting mechanism, can realize the purpose of changing and controlling the drying degree of the wood without changing the heating power of an electric heating plate, and in addition, utilizes a pre-tightening spring to increase the clamping force of a clamping plate on the wood, so that the external force of the clamping plate on the wood is gradually increased along with the deepening of the drying degree of the wood, thereby avoiding the cracking of the wood.

Description

Heating drying method for preventing wood from cracking

Technical Field

The invention relates to the field of wood processing, in particular to a heating and drying method for preventing wood from cracking.

Background

The wood processing is that the timber is used as raw materials, mainly uses the processing of mechanical or chemical method, its product still keeps the basic characteristic of the timber, the timber in the course of processing, need dry the timber at first, this is the key to guarantee the quality of woodwork, it is the important means of rational utilization and saving timber, the quality of drying the timber has decided the processing quality of the subsequent process.

Traditional wood drying method, but the drying cycle is long in the mode of adopting open air to place more, and is inefficient, and adopt high temperature drying can effectively shorten drying cycle, high temperature drying can reduce ligneous hygroscopicity and internal stress simultaneously, thereby reach the purpose of increasing timber dimensional stability and improving timber corrosion resistance, nevertheless timber is by high temperature drying's in-process, along with moisture rapid evaporation in the timber, very easily arouse timber dehydration shrink deformation, ligneous local contraction arouses that timber internal stress is inhomogeneous, even lead to the condition of timber's fracture to take place occasionally, seriously influence timber's processing output and quality, cause ligneous waste.

If in the wood drying process, give timber external force, utilize external force to inject timber, make ligneous shrink deformation evenly distributed inside timber, can effectively prevent ligneous fracture, nevertheless because timber drying arouses that timber shrink is a continuation process, along with timber shrink, apply before timber drying for ligneous external force can become invalid gradually, consequently it is limited to prevent the fracture effect for the fixed external force of timber, and frequent adjustment external force can reduce ligneous drying efficiency and increase workman's intensity of labour, in addition, ligneous drying process need control the good temperature, and frequent change drying device's heating temperature, easily influence drying device's life, thereby reduce drying device's practicality.

Disclosure of Invention

In order to solve the above problems, the present invention provides a technical solution: the utility model provides a prevent heating and drying method of timber fracture, carry out the in-process of drying to timber, the electric plate generates heat, and simultaneously, it drives the timber rotation to open motor drive initiative gyro wheel on the grip block, make timber be heated evenly, heat timber, along with timber weight reduces, under bearing spring's effect, the timber rebound that adjustment mechanism carried the centre gripping, make timber keep away from the electric plate, the driving gear rotates under the effect of rack, the driving gear drives driven gear and rotates, roll up the wire rope on the rolling roller, make wire rope's pulling support seat move to second mounting panel one side, compress the pretension spring, the power of the elasticity through the compression production of pretension spring to grip block centre gripping timber is finely tuned, increase grip block adds the holding power to timber, utilize the grip block extrusion timber, prevent timber at heating and drying's fracture.

Specifically, the centre gripping timber in-process, under timber action of gravity, adjustment mechanism moves down, and the compression of bearing spring produces elasticity, through the extension telescopic link, makes L board drive adjustment mechanism and move to one side of electric plate, and the initiative gyro wheel and the driven gyro wheel on the grip block are lived timber centre gripping.

Specifically, the wood heating and drying device comprises a base, an L plate and an adjusting mechanism, wherein the adjusting mechanism comprises a first mounting plate and a second mounting plate, both ends of the inner side of each second mounting plate are respectively provided with a clamping plate, the middle part of the inner side of each clamping plate is provided with a driving roller, the driving rollers are in transmission connection with a motor arranged on the clamping plates, the inner sides of the clamping plates are rotatably connected with driven rollers, the driven rollers are in transmission connection with the driving rollers through a conveyor belt, the middle part of the back side of each clamping plate is fixedly connected with a sliding rod, the sliding rod penetrates through the second mounting plate, the other end of the sliding rod slides in a sliding barrel, the middle part of the back side of the second mounting plate is fixedly connected with one end of the first mounting plate, the other end of the first mounting plate is rotatably connected with a driving, every driven gear side all is provided with the rolling roller, and the rolling roller coincides with the driven gear axis that corresponds.

Specifically, two first mounting panels that lie in same one side pass through the diaphragm and connect, evenly distributed has many guide arms on the diaphragm, the guide arm upper end is equipped with spacing protruding structure, and the guide arm lower extreme is fixed on the L board, and the cover has bearing spring on the L pole, bearing spring upper end and diaphragm downside fixed connection, bearing spring lower extreme and L board upside fixed connection, the L board sets up in the electric plate left and right sides, the electric plate is installed at the protruding position of base axis, the L board passes through first guide pulley and moves on the base, the one side that the L board kept away from the guide arm is passed through the telescopic link and is connected with the base side, the edge is fixed all has the rack around the one side that the L board kept away from the telescopic link, every rack all meshes with.

Preferably, the method comprises the following steps: the sliding rod part between the second mounting plate and the sliding barrel is provided with a baffle, the bottom end of the sliding barrel is fixedly provided with a supporting seat, the side face of the sliding barrel is sleeved with a pre-tightening spring, one end of the pre-tightening spring is fixedly connected with the supporting seat, and the other end of the pre-tightening spring is fixedly connected with the baffle.

Preferably, the method comprises the following steps: and a steel wire rope is wound on the winding roller shaft, the steel wire rope wound on the winding roller shaft sequentially passes through guide wheels on the second mounting plate and the supporting seat, a limiting ring for preventing the steel wire rope from falling off is arranged on each guide wheel in a pinching mode, and the other end of the steel wire rope is fixed at the end part of the second mounting plate.

Compared with the prior art, the invention has the beneficial effects that: the wood drying device utilizes the clamping plate of the adjusting mechanism to clamp the wood, the electric heating plate is used for heating the wood, water in the wood is evaporated, and the wood is dried; in the drying process of the wood, according to the weight change caused by the moisture loss of the wood, the bearing spring acts on the driving adjusting mechanism to drive the clamped wood to gradually move upwards along with the continuous improvement of the drying degree, on one hand, the wood is far away from the electric heating plate, the purpose of changing and controlling the drying degree of the wood can be realized without changing the heating power of the electric heating plate, and the problem that the temperature of the drying device is frequently adjusted to reduce the service life of the drying device is avoided; on the other hand, utilize the grip block to press from both sides timber tightly, adjustment mechanism rebound's in-process, the driving gear drives driven gear and rotates, on rolling up the roller with wire rope, make wire rope pulling support seat remove to second mounting panel one side, constantly compress the pretension spring, utilize the pretension spring increase grip block to ligneous clamping-force, make the grip block give ligneous external force along with the dry degree of timber deepening and increase gradually, avoid timber fracture also reduced workman's intensity of labour simultaneously.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a block diagram of the adjustment mechanism of the present invention;

FIG. 3 is a side view of a portion of a first guide bar of the present invention.

Reference numbers in the figures: 1, a base; a 2L plate; 201 a first guide wheel; 3, an electric heating plate; 4, telescoping a rod; 5, a rack; 6, a driving gear; 7 a driven gear; 701, rolling a roller; 8 a first mounting plate; 9 steel wire ropes; 10 an adjustment mechanism; 11 a second mounting plate; 12 a load bearing spring; 13 a guide rod; 14 guide wheels; 15 clamping the plate; 1501 active rollers; 1502 driven rollers; 16 sliding rods; 1601 a baffle plate; 17 pre-tightening the spring; 18 a slide cylinder; 19 supporting the base; 20, a transverse plate; 21 of wood.

Detailed Description

Referring to fig. 1-3, a heating and drying method for preventing cracking of wood, which comprises two steps of clamping wood 21 and drying wood 21, wherein in the step of clamping wood 21, under the action of gravity of wood 21, adjusting mechanism 10 moves downward, and load-bearing spring 12 compresses to generate elastic force, and by extending telescopic rod 4, L-plate 2 drives adjusting mechanism 10 to move to one side of electric heating plate 3 until driving roller 1501 and driven roller 1502 on clamping plate 15 clamp the wood.

In the process of drying the wood 21, the electric heating plate 3 generates heat, meanwhile, the motor on the clamping plate 15 is started to drive the driving roller 1501 to drive the wood 21 to rotate, so that the wood 21 is heated uniformly, the wood 21 is heated, water vapor in the wood 21 is evaporated, the weight of the wood 21 is reduced along with the evaporation of the water vapor, under the action of the bearing spring 12, the adjusting mechanism 10 carries the clamped wood 21 to move upwards, so that the wood 21 is far away from the electric heating plate 3, the driving gear 6 rotates under the action of the rack 5, the driving gear 6 drives the driven gear 7 to rotate, the steel wire rope 9 is wound on the winding roller 701, the pulling support seat 19 of the steel wire rope 9 is made to move towards one side of the second mounting plate 11, the pre-tightening spring 17 is compressed, the force generated by the compression of the pre-tightening spring 17 finely adjusts the force of the clamping plate 15 for clamping the wood 21, and the clamping force, the clamping plates 15 are used to press the wood 21, preventing the cracking of the wood 21 during heat drying.

The adopted specific wood heating and drying device comprises a base 1, an L plate 2 and an adjusting mechanism 10, wherein the adjusting mechanism 10 comprises a first mounting plate 8 and a second mounting plate 11, clamping plates 15 are arranged at two ends of the inner side of each second mounting plate 11, each clamping plate 15 is of an arc structure, a driving roller 1501 is arranged in the middle of the inner side of each clamping plate 15, the driving roller 1501 is in transmission connection with a motor arranged on each clamping plate 15, a driven roller 1502 is rotatably connected to the inner side of each clamping plate 15, the driven roller 1502 is in transmission connection with the driving roller 1501 through a conveyor belt, the middle of the back side of each clamping plate 15 is fixedly connected with a sliding rod 16, each sliding rod 16 penetrates through the second mounting plate 11, the other end of each sliding rod 16 slides in a sliding barrel 18, a baffle 1601 is arranged at the position of each sliding rod 16 between the second mounting plate 11 and the sliding barrel 18, a supporting seat 19 is fixed at, one end of a pre-tightening spring 17 is fixedly connected with the supporting seat 29, the other end of the pre-tightening spring 17 is fixedly connected with the baffle 1601, the middle of the back side of the second mounting plate 11 is fixedly connected with one end of the first mounting plate 8, the other end of the first mounting plate 8 is rotatably connected with a driving gear 6 and two driven gears 7, the two driven gears 7 are distributed on the upper side and the lower side of the driving gear 6, and the driving gear 6 is respectively engaged with two driven gears 7, the side surface of each driven gear 7 is provided with a rolling roll shaft 701, the rolling roll shaft 701 is superposed with the central axis of the corresponding driven gear, a steel wire rope 9 is wound on the rolling roll shaft 701, as shown in fig. 2, the wire rope 9 wound around the winding roller 701 sequentially passes through the second mounting plate 11 and the guide wheel 14 on the support base 19, a limiting ring for preventing the wire rope from falling off is arranged on the guide wheel 14, and the other end of the wire rope 9 is fixed at the end of the second mounting plate 11.

As shown in fig. 3, two first mounting plates 8 located on the same side are connected through a transverse plate 20, a plurality of guide rods 13 are uniformly distributed on the transverse plate 20, the upper ends of the guide rods 13 are provided with limiting convex structures, the lower ends of the guide rods 13 are fixed on an L plate 2, bearing springs 12 are sleeved on the L plate 2, the upper ends of the bearing springs 12 are fixedly connected with the lower side of the transverse plate 20, the lower ends of the bearing springs 12 are fixedly connected with the upper side of the L plate 2, as shown in fig. 1, the L plate 2 is arranged on the left side and the right side of an electric heating plate 3, the electric heating plate 3 is arranged on the convex part of the central axis of a base 1, the L plate 2 moves on the base 1 through a first guide wheel 201, one side of the L plate 2 departing from the guide rods 13 is connected with the side of the base 1 through a telescopic rod 4.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a prevent heating and drying method of timber fracture, carry out the in-process of drying to timber, the electric plate generates heat, and simultaneously, it drives the timber rotation to open motor drive initiative gyro wheel on the grip block, make timber be heated evenly, heat timber, along with timber weight reduces, under bearing spring's effect, the timber rebound that adjustment mechanism carried the centre gripping, make timber keep away from the electric plate, the driving gear rotates under the effect of rack, the driving gear drives driven gear and rotates, roll up the wire rope on the rolling roller, make wire rope's pulling support seat move to second mounting panel one side, compress the pretension spring, the power of the elasticity through the compression production of pretension spring to grip block centre gripping timber is finely tuned, increase grip block adds the holding power to timber, utilize the grip block extrusion timber, prevent timber at heating and drying's fracture.

2. The method according to claim 1, wherein during the wood clamping process, the adjusting mechanism moves downward under the action of the gravity of the wood, the load-bearing spring compresses to generate an elastic force, and the L-shaped plate drives the adjusting mechanism to move to one side of the electric heating plate by extending the telescopic rod until the driving roller and the driven roller on the clamping plate clamp the wood.

3. The method for drying wood by heating according to claims 1-2, wherein the wood drying device comprises a base, L-shaped plates and an adjusting mechanism, the adjusting mechanism comprises a first mounting plate and a second mounting plate, the two ends of the inner side of each second mounting plate are provided with a clamping plate, the middle part of the inner side of each clamping plate is provided with a driving roller, the driving roller is in transmission connection with a motor mounted on the clamping plate, the inner side of each clamping plate is rotatably connected with a driven roller, the driven roller is in transmission connection with the driving roller through a conveyor belt, the middle part of the back side of each clamping plate is fixedly connected with a sliding rod, the sliding rod passes through the second mounting plate, the other end of the sliding rod slides in a sliding barrel, the middle part of the back side of the second mounting plate is fixedly connected with one end of the first mounting plate, the other end of the first mounting plate, and the driving gear meshes with two driven gears respectively, and every driven gear side all is provided with the rolling roller, and the rolling roller coincides with the driven gear axis that corresponds.

4. The heat drying method for preventing wood from cracking as claimed in claim 3, wherein the two first mounting plates located on the same side are connected by a cross plate, a plurality of guide rods are uniformly distributed on the cross plate, the upper ends of the guide rods are provided with limiting protrusions, the lower ends of the guide rods are fixed on the L-shaped plate, the L-shaped plate is sleeved with a bearing spring, the upper end of the bearing spring is fixedly connected with the lower side of the cross plate, the lower end of the bearing spring is fixedly connected with the upper side of the L-shaped plate, the L-shaped plate is arranged on the left side and the right side of the electric heating plate, the electric heating plate is arranged on the protruding portion of the central axis of the base, the L-shaped plate moves on the base through a first guide wheel, one side of the L-shaped plate, which is away from the.

5. The method according to claim 3, wherein a baffle is disposed at a position of the sliding rod between the second mounting plate and the sliding barrel, a supporting seat is fixed at the bottom end of the sliding barrel, a pre-tightening spring is sleeved at a side surface of the sliding barrel, one end of the pre-tightening spring is fixedly connected with the supporting seat, and the other end of the pre-tightening spring is fixedly connected with the baffle.

6. The heating and drying method for preventing the cracking of wood as claimed in claim 3, wherein the winding roller is wound with a steel wire rope, the steel wire rope wound on the winding roller sequentially passes through the second mounting plate and a guide wheel on the supporting seat, the guide wheel is provided with a limiting ring for preventing the steel wire rope from falling off, and the other end of the steel wire rope is fixed on the end of the second mounting plate.