KR101604955B1 - Raffer manufacturing apparatus with high productivity - Google Patents

Abstract

The present invention relates to a rafter processing apparatus with high productivity, minimizing vibration caused by the movement of a cutting unit when processing a rafter, thereby increasing the quality of the process, improving work efficiency and speed of the process, increasing the quality of the surface of the rafter without a dented part, and allowing the rafter to be safely processed by moving the cutting unit without damage to the main body. According to the present invention, the rafter processing apparatus comprises a main body, a first end fixing device, a second end fixing part, the cutting unit, and a control part. The main body has a guide rail positioned in the left-right direction and has a rack gear formed on the lower side of the guide rail. The first end fixing part is installed on one side of the main body to be rotated by a first motor and allows one end of a log for processing the rafter to be fixed thereto. The second end fixing device is installed on the other side of the main body to be expanded and rotated in the left-right direction and allows the other end of the log to be fixed thereto. The cutting unit is movably installed on the guide rail of the main body, has a pinion gear included in the lower side to be rotated by a second motor and be engaged with the rack gear, has a cutting blade part rotationally positioned on the upper side to cut the log into a rafter-shape while moving along the guide rail in the left-right direction. The control part is installed on the main body and controls the rotation of the log by the first motor, a frontward/backward movement of the second end fixing device, a leftward/rightward movement of the cutting unit by the second motor, and the rotation of the cutting blade part.

Description

[0001] RAFFER MANUFACTURING APPARATUS WITH HIGH PRODUCTIVITY [0002]

The present invention relates to a rafter processing apparatus for processing a log into a rafter for use on a hanok roof.

Generally, the traditional wooden building style of Korea is made by wooden construction method based on structural mechanics. Through many years of experience, it has been developed into a unique wooden structure method and chairperson through experiences and efforts of craftsmen. It was succeeded.

Recently, as eco-friendly life has been spotlighted, a traditional hanok made of natural wood as an address is being newly illuminated.

On the other hand, the timber used in the traditional hanok needs a subtle shape characteristic depending on its use position and function. Especially, in case of a rafter used for supporting a roof, in order to utilize its function and aesthetic sense, There was a problem that it was difficult to make it without expert woodwork skilled by experience.

In addition, there has been a problem in that the production cost of the hanok is increased and the production period is long because the production of the traditional hanok, such as the rafter, is limited only by the limited number of skilled workers.

In order to solve the above-mentioned conventional problems, attempts have been made to more efficiently process hanok members such as rafters. For example, Korean Patent Publication No. 10-2006-0112202 (published on October 31, 2006) A log processing machine for round and smooth cutting, comprising: a base plate; a plurality of posts vertically erected on the back of the base plate; a plurality of struts connected slantingly to the base plate and the posts; A support frame including a support frame; A saw blade assembly including a plurality of saw blades for moving along the guides of the support frame and cutting logs, and drive means for rotating the saw blades; A moving device installed on one side of the guide for reciprocating the saw blade assembly left and right along the guide of the support frame; A clamp fixed to the base plate and fixed to one side of the pedestal, and a moving clamp movably installed on the other side of the pedestal; And a rotating device provided on one side of the base plate for rotating the fixing clamp in a direction opposite to the rotating direction of the saw blade.

In addition, Korean Patent Registration No. 10-1217960 (Dec. 26, 2012) discloses an ingress vertical adjustment unit for vertically and vertically moving the log into which the log is inserted for adjusting the entry position of the log for cutting the outer periphery of the log, A cutting feeder for cutting the outer circumferential surface of the log to be fed by the first feeding part; and a feeder for feeding the log having the outer circumferential surface processed through the cutting feeder to the front end side Wherein the first feeding unit includes a plurality of first feeding roller units arranged in a row and a plurality of first feeding roller units arranged in a row, By a first cylinder connected to the other end of the link about a first driven sprocket fixed to one end of the link A plurality of first feeding roller units are arranged in a plurality of rows and a plurality of first feeding roller units are arranged in such a manner that a first feeding roller is rotatably connected to the first driven sprocket, And a first driving motor for chaining the first driven sprockets, which are respectively formed on the links, to simultaneously rotate a plurality of sets of first feeding rollers.

However, in the conventional rafter working apparatus as described above, as the saw blade assembly (cutting processing unit) is conveyed by the belt on the main body, the machining quality is lowered due to the tremble phenomenon caused by the movement of the saw blade assembly, There is a problem that the surface of the log is damaged by the rollers for feeding and the quality of the processing is deteriorated.

In addition, in the conventional rafter working apparatus as described above, since the DC motor is applied to move the cutting edge to move the cutting edge only at a constant speed, there is a problem that the speed control of the cutting edge is not easy.

In addition, in the case of the conventional rafter working apparatus as described above, there is a problem that the surface quality is deteriorated due to the application of one saw blade, such as a denting phenomenon.

Disclosure of Invention Technical Problem [8] The present invention has been devised to solve the problems of the prior art described above, and it is an object of the present invention to provide a rafter processing apparatus with improved productivity, in which the shaking phenomenon caused by movement of a cutting processing unit is minimized, Based.

Another object of the present invention is to provide a rafter processing apparatus capable of improving work efficiency and work speed at the time of rafter processing, and improving the productivity of the rafter without increasing the surface quality.

In addition, the present invention is based on the object of providing a rafter processing apparatus with improved productivity in which rafter processing due to the movement of a cutting processing unit can be safely performed without damaging the main body.

The above-described object of the present invention can be achieved by a main body having a guide rail provided along a lateral direction and a rack gear formed on a lower side of the guide rail, A second end fixture provided on the other side of the main body so as to be retractable and rotatable in the left and right direction and to which the other end of the log is fixed; A pinion gear rotatably driven by a second driving motor and engaged with the rack gear, and a cutting saw part rotatably provided on an upper side thereof, and is moved in a lateral direction along the guide rails, And a second driving motor which is provided on the main body, And a control unit for controlling the rotation of the wood, the forward / backward movement of the second end fixture, the left / right movement of the cutting unit by the second drive motor, and the rotation of the cutting saw blade unit. Lt; / RTI >

According to a preferred feature of the present invention, the cutting processing unit comprises: a lower base portion movably installed on a guide rail of the main body; the second drive motor installed in the lower base portion; The pinion gear being rotatably driven by the drive motor in the forward and reverse directions, an upper crawler mounted on the upper side of the lower base so as to be movable in forward and backward directions, .

According to a preferred aspect of the present invention, the cutting saw blade portion includes a roughing saw blade installed to be rotatably driven by a third drive motor, and a second saw blade that is installed in parallel on one side of the roughing saw blade and rotatably drivable by the fourth drive motor And includes a finishing saw blade to be installed.

According to a preferred feature of the present invention, the cutting processing unit is provided between the lower base portion and the upper work and moves the upper work in the forward and backward directions with respect to the lower base portion according to the rotation direction, And a back-and-forth feed mechanism for setting a depth of cut by the part.

According to a preferred feature of the present invention, the cutting processing unit further includes a vacuum suction pipe installed at one side of the upper work and collecting wood chips or fine dust cut by the cutting saw part by vacuum suction.

According to a preferred aspect of the present invention, the second drive motor is an induction motor capable of controlling the speed of the inverter.

According to a preferred feature of the present invention, the main body is provided with a limit switch for limiting a moving range of the cutting processing unit to the left and right.

According to a preferred feature of the present invention, the first limit switch for generating a control signal for stopping the second drive motor as the limit switch and the second limit switch for generating a control signal for shutting off the entire power source are sequentially arranged side by side Respectively.

According to a preferred feature of the present invention, the second end fixture includes a hydraulic cylinder that is stretchable in length.

According to the rafter processing apparatus with improved productivity according to the present invention, as the cutting processing unit is moved in the longitudinal direction by the linear feed mechanism including the rack gear and the pinion gear on the main body on which the log is supported and rotationally driven, There is an advantage that the shaking phenomenon due to the movement is minimized and the processing quality can be increased.

Further, according to the rafter processing apparatus with improved productivity according to the present invention, the movement of the cutting processing unit relative to the main body is controlled by the inverter speed control, so that the work efficiency and the work speed can be improved.

Further, according to the rafter processing apparatus with improved productivity according to the present invention, since the cutting processing unit includes the roughing saw blade and the finishing saw blade, there is an advantage that the surface quality can be increased without deflection during rafter processing.

In addition, according to the rafter processing apparatus with improved productivity according to the present invention, the first limit switch for generating a control signal for stopping the second drive motor in order to limit the movement range of the cutting processing unit, The second limit switch is applied in two stages, so that the processing of the rafter by the movement of the cutting processing unit can be performed more safely without damaging the main body.

1 is a schematic structural view of a rafter processing apparatus with improved productivity according to an embodiment of the present invention;
2 is an operational view of a rafter processing apparatus with improved productivity according to an embodiment of the present invention;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. , And this does not mean that the technical idea and scope of the present invention are limited.

1 and 2, a rafter processing apparatus 1 with improved productivity according to an embodiment of the present invention is provided with a guide rail 11 along the left and right direction and a lower side of the guide rail 11 (10) rotatably driven by a first drive motor (21) on one side of a main body (10) and one end of a log (3) for rafter working is fixed A second end fixture 30 which is provided on the other side of the main body 10 so as to be elongated and rotatable in the left and right direction and to which the other end of the log 3 is fixed, A pinion gear 43 is provided movably on the rail 11 and is rotatably driven by a second drive motor 42 and meshed with the rack gear 13 on the lower side. So that the log 3 can be moved in a railing shape while being moved in the lateral direction along the guide rails 11 A rotation of the log 3 by the first drive motor 21 and a forward and backward movement of the second end fixture 20 provided on the main body 10, And a control unit 50 for controlling the left and right movement of the cutting unit 40 by the cutting unit 42 and the rotation of the cutting saw blade unit 45.

Herein, the main body 10 comprises a raft processing apparatus 40 with improved productivity according to an embodiment of the present invention for supporting the rotation of the log 3 for rafter processing and the lateral movement of the cutting unit 40, (1).

The main body 10 is provided with a guide rail 11 for guiding the horizontal movement of the cutting unit 40 along the left and right direction at a predetermined height spaced from the floor surface. A rack gear 13 for the self-traveling movement of the cutting unit 40 is formed on the lower side of the guide rail 11.

The cutting processing unit 40 is caused to collide with the main body 10 due to excessive lateral movement of the cutting processing unit 40 on both sides of the main body 10 and in particular the guide rail 11, It is preferable that a limit switch 15 for restricting the moving range of the cutting unit 40 is installed so that damage to the cutting unit 40 can be effectively prevented.

The limit switch 15 includes a first limit switch 15a for causing a proximity of the cutting processing unit 40 to simultaneously generate a control signal for stopping the second drive motor 42, And a second limit switch 15b for generating a control signal that secondarily closes the entire power supply at the same time.

A first end fixture 20 is provided at one side of the main body 10 as described above. The first end fixture 20 has an end protruding into one end of the log 3 for rafter processing, And rotates the log 3 in a fixed state.

The first end fixture 20 is rotatably driven by a first drive motor 21 installed on one inner bottom surface of the main body 10. The shaft of the first drive motor 21 and the first end fixture are electrically connected by a transmission unit 23 including, for example, a sprocket and a transmission chain.

A second end fixture 30 is rotatably installed on the other side of the main body 10 and the end of the second end fixture 30 penetrates into the other end of the log 3 for rafter processing, ) Rotatably supporting the log 3 in a fixed state.

The second end fixture 30 is also used to mount a log 3 for rafter processing between the first end fixture 20 and the second end fixture 30 or to transfer the finished rafter to the first end fixture 20 In other words, in the left and right direction, for separating from the second end fixture 30. The first and second end fixtures 30, The second end fixture 30 includes a hydraulic cylinder 31 for length expansion and contraction.

The cutting processing unit 40 is installed on the guide rail 11 of the main body 10 so as to be movable in the longitudinal direction of the rafter, And is movable in the lateral direction to cut the log 3 into a rafter shape.

The cutting processing unit 40 includes a lower base portion 41 movably installed on the guide rail 11 of the main body 10, a second drive motor 42 installed in the lower base portion 41, A pinion gear 43 installed in the lower base 41 and rotationally driven in the forward and reverse directions by the second drive motor 42 and a pinion gear 43 mounted on the upper side of the lower base 41 to be movable in the front- (44), and a cutting saw blade portion (45) rotatably mounted on the upper crawler (44).

The lower base portion 41 is formed with a guide groove (not shown) corresponding to the shape of the guide rail 11 so as to be movable in the guide rail 11 of the main body 10.

It is preferable that the second drive motor 42 for generating a driving force for sliding movement of the cutting unit 40 in the left and right direction with respect to the guide rail 11 of the main body 10 is formed of an induction motor capable of controlling the speed of the inverter.

In this case, the rotational speed of the second drive motor 42 can be freely adjusted by an inverter control circuit (not shown), so that the efficiency and speed of the rafter working can be improved. The second drive motor 42 is rotationally driven at a relatively high speed in the case of machining the outer peripheral surface of the intermediate portion of the log 3 so that the cutting processing unit 40 is relatively moved along the guide rail 11 of the main body 10 The second drive motor 42 is driven to rotate at a relatively slow speed so that the cutting processing unit 40 is moved to the main body 10 To be slid at a relatively slow speed along the guide rails 11 of the guide rails 11a and 11b.

The reduction gear unit 43a formed by a combination of a plurality of reduction gears is interposed between the pinion gear 43 and the second drive motor 42 so that the pinion gear 43 is rotated in the direction of rotation of the second drive motor 42 Reverse rotation and deceleration rotation.

In the rafter processing apparatus 1 with improved productivity according to the embodiment of the present invention, the pinion gear 43 of the cutting processing unit 40 is engaged with the rack gear 13 of the main body 10, The driving force of the rack gear 13 and the pinion gears 13 and the pinion gears 13 and the pinion gears 13 and 14 are transmitted to the main body 10, 43), the tremor phenomenon can be remarkably reduced and the quality of the surface finishing of the rafter can be increased.

The cutting saw blade portion 45 is installed so as to be rotatably driven by the third drive motor 46a so that the surface of the rafter 3 is subjected to the roughing and finishing operations sequentially, And a finishing saw blade 47 provided in parallel on one side of the roughing saw blade 46 and rotatably driven by a fourth drive motor 47a.

As described above, the cutting processing unit 40 includes a lower base portion 41 which is moved along the guide rails 11 of the main body 10, and a cutting saw blade portion 45, And the upper goggles 44 are provided so as to be movable in directions.

The upper crawler 44 is moved in the forward and backward directions relative to the lower base 41 along the rotating direction between the lower base 41 and the upper crawler 44, Backward feed mechanism 48 for setting the feed position.

It is preferable that the front and rear conveying mechanism 48 is formed by a lead screw mechanism that causes linear movement of the upper cantilever 44 in response to rotational driving by a manual operation of the operator. A machine, such as a lathe, and the like, and detailed description thereof will be omitted here for the sake of simplification of the description.

One end of the vacuum suction pipe 49 is provided at one side of the upper grip 44. The vacuum suction pipe 49 serves to collect the wood chips or fine dust cut by the cutting saw blade 45 by vacuum suction and the other end is connected to a vacuum motor (not shown) for generating a vacuum suction force.

The controller 50 is provided on the main body 10. The controller 50 controls the rotation of the log 3 by the first drive motor 21 and the back and forth movement of the second end fixture 20, The overall operation of the rafter processing apparatus 1 with improved productivity according to an embodiment of the present invention including the movement of the cutting unit 40 by the drive motor 42 in the left and right and the rotation of the cutting saw blade 45, And includes a plurality of operation buttons and operation switches for operating the respective components, and a display lamp for displaying various operation states.

In the case of the rafter processing apparatus 1 with improved productivity according to the present invention as described above, on the main body 10 on which the logs 3 for rafter processing are supported and rotationally driven, As a result of the linear movement mechanism including the gear 13 and the pinion gear 43 being moved in the longitudinal direction, the shaking phenomenon caused by the movement of the cutting unit 40 can be minimized and the machining quality can be increased.

In the rafter processing apparatus 1 with improved productivity according to the present invention as described above, since the movement of the cutting processing unit 40 relative to the main body 10 is controlled by the inverter speed control, The efficiency and speed of the cutting work can be improved and the cutting processing unit 40 can control the roughing saw blade 46 and the finishing saw blade 47 As a result, the surface quality can be increased without falling-out phenomenon in rafter processing.

Further, in the case of the rafter processing apparatus 1 with improved productivity according to the present invention as described above, a control signal for stopping the second drive motor 42 is generated in order to limit the movement range of the cutting processing unit 40 And the second limit switch 15b for generating a control signal for shutting off the entire power supply are sequentially installed in two stages so that the cutting processing unit 40 is excessively moved to move the main body 10 So that the spatula processing operation can be performed more safely.

In addition, in the case of the rafter processing apparatus 1 with improved productivity according to the present invention as described above, the vacuum suction pipe 49 for collecting the wooden chips or fine dust cut by the cutting saw blade 45 by vacuum suction, As the upper portion 44 is provided in the upper portion 44, the cutting chip is prevented from being scattered during the rafter working, thereby improving the health of the worker and providing a clean working environment.

It is to be understood by those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope of the invention, It is therefore to be understood that the above-described embodiments are to be considered illustrative and not restrictive, and all embodiments falling within the scope of the appended claims and their equivalents are intended to be included within the scope of the present invention.

1: rafter processing system with improved productivity
10: Body
11: Guide rail
13: Racks
15: Limit switch
15a: first limit switch
15b: second limit switch
20: First end fixture
21: first drive motor
23: Electric power unit
30: Second end fixture
31: Hydraulic cylinder
40: Cutting unit
41: Lower base portion
42: second drive motor
43: Pinion gear
43a: Reduction gear transmission unit
44:
45: Cutting saw blade section
46: Roughing saw blade
46a: third drive motor
47: Finishing saw blade
47a: fourth drive motor
48: forward and backward feed mechanism
49: vacuum suction pipe
50:

Claims (9)

A main body in which guide rails are provided along the left and right directions and a rack gear is formed below the guide rails;
A first end fixture installed at one side of the main body so as to be rotatably driven by a first drive motor and having one end of a log for rafter processing fixed;
A second end fixture provided on the other side of the main body so as to extend and retract in the left and right direction and to fix the other end of the log;
And a pinion gear which is rotatably driven by a second drive motor and is engaged with the rack gear, and a cutting saw blade portion is rotatably provided on an upper side of the pinion gear, A cutting processing unit for cutting the log into a railing shape while moving to a rake shape; And
And a control unit for controlling the rotation of the log by the first driving motor, the forward / backward movement of the second end fixture, the left / right movement of the cutting unit by the second drive motor, and the rotation of the cutting saw unit And a control unit,
The cutting processing unit includes a lower base portion movably installed on a guide rail of the main body, the second drive motor installed in the lower base portion, and a second drive motor provided in the lower base portion, A pinion gear rotatably driven by the pinion gear; an upper gear mounted on the upper side of the lower base so as to be movable in forward and backward directions; a cutting saw blade portion rotatably driven by the upper gear; And a vacuum suction pipe installed at one side and vacuuming and collecting wooden chips or fine dusts cut by the cutting saw blade portion by a vacuum motor,
The main body is provided with a limit switch for restricting the left and right movement range of the cutting processing unit,
A first limit switch for generating a control signal for stopping the second drive motor as the limit switch and a second limit switch for generating a control signal for shutting off the entire power source are sequentially arranged in parallel. Rafter processing device.
The method according to claim 1,
Wherein the cutting saw blade portion includes a roughing saw blade mounted rotatably by a third drive motor and a finishing saw blade installed in parallel on one side of the roughing saw blade and rotatably driven by a fourth drive motor Wherein the workpiece is a workpiece.
The method according to claim 1,
The cutting processing unit is provided between the lower base and the upper work and moves the upper work in the forward and backward directions with respect to the lower base according to the rotation direction to set the cutting depth by the cutting saw blade Further comprising a forward / backward feed mechanism.
The method according to any one of claims 1 to 3,
Wherein said second end fixture comprises a hydraulic cylinder capable of stretching in length. delete delete delete delete delete

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