JPH04100805U - Finger jointer - Google Patents

Abstract

(57) [Summary] [Objective] To provide a finger jointer capable of performing both horizontal finger processing and vertical finger processing when finger processing materials having various lengths. [Structure] A finger jointer consisting of an endless rotary conveyance mechanism to which a material feeding dock is fixed, a saw for processing the edge of the workpiece, a cutter, and a wood holding mechanism for holding down the workpiece. The dock is a tall dock, and an auxiliary wood holding member is pivotally connected to the wood holding mechanism, and a knife edge for preventing slippage is installed to press the bottom of the workpiece in the material feeding direction.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea involves processing both ends of materials such as workpiece plates into finger shapes so that adjacent materials can Finger joint to fit the groove and finger-like protrusion and process it into a long length material Regarding ta.

0002

[Conventional technology]

Conventionally, both ends of materials such as short plates are processed into finger shapes, and these finger parts are A finger jointer is known as a processing machine for fitting and bonding grooves and protrusions. ing.

0003 As shown in FIG. 6, this finger jointer can be used by an operator A large number of workpieces are put in and sent to the right by transfer rolls 3 installed side by side. The right end is placed in a fixed position with the stopper 4 in advance and is driven to rotate endlessly. The material is transported by the material transport docks (not shown in Figure 6) attached to the material transport chains 1 and 1. The end is cut with a horizontal circular saw 5, and then the right end of the workpiece is cut with a cutter 7. The left The end of the workpiece is cut with the horizontal circular saw 5, and the left side of the workpiece is cut with the cutter 7 in the same way. The ends are processed into finger shapes, and the materials processed at both ends are fitted together to form a predetermined length. This is a machine that processes wood into wood. After processing the right edge of the material, conventional machines like this Next, the left end is processed, so even if the material is a random length, It is possible to process it accordingly.

0004 In addition, when processing into a finger shape, depending on the application, the workpiece plate may be Horizontal fingers that form fingers in a direction parallel to the surface of material W, and Vertical fingers that form fingers in a direction perpendicular to the surface of the plate material W to be processed are connected. Ru. When forming horizontal fingers, as shown in FIG. The material is fed with a feeding dock attached to an endlessly rotating chain, and the vertical frame is When forming the fingers, as shown in Fig. 8, several workpiece plates W are stacked and stood up It is clamped and processed while being fed using a feed cylinder 20 or the like.

[0005]

[Problem that the idea aims to solve]

As mentioned above, when forming horizontal or vertical fingers on a workpiece plate, Finger jointer for horizontal fingers and finger joint for vertical fingers, respectively Each must be processed using a separate machine. For the workpiece like this Providing a separate machine for each type of finger to be formed on the edge of a plate is not convenient for workers or workers. This requires more space for machine installation, resulting in very high costs.

[0006] This idea was devised in view of these issues, and its purpose is to Short materials of various lengths can be used with horizontal or vertical fingers depending on the purpose. Finger joy that can be processed into either format and has low production costs. The aim is to provide data to the public.

[0007]

[Means to solve the problem]

That is, in order to solve the above-mentioned problems, this invention fixes the material feeding dock and an endless rotary conveyance mechanism that conveys a workpiece positioned at the Two saws are installed on both sides to process both ends separately, and a saw following the two saws is used. A cutter is installed on both sides of the workpiece and separately processes both ends of the workpiece into a predetermined shape. and a presser mechanism that rotates endlessly at the same speed as the endless rotation conveyance mechanism. In the finger jointer equipped with, the material feeding dock is a tall dock. , an auxiliary pressing member that applies a biasing force by a spring is pivotally attached to the pressing mechanism; Furthermore, there is a slip prevention device on the material feeding surface of the machine frame that holds the workpiece W from the bottom in the material feeding direction. It is characterized by the installation of a knife edge for stopping.

[0008]

[Effect]

The action of the finger jointer as the above means according to this invention is indicated by the reference numerals in the attached diagram. Explain using.

[0009] First, a case where vertical fingers are formed at the end of the workpiece W will be described. The workpiece W introduced by the worker is transferred to the right by the transfer roll 3. and stop it with the stopper 4 (Fig. 1). When the workpiece W stops, the end The horizontal circular saw is pushed by the material feeding dock 2 attached to the material feeding chain 1 that rotates without any movement. Move in 5 directions. In this case, the workpiece W is transported to the end at the same speed as the feed chain 1. It moves while being held down by the belt 6 of the wood holding mechanism that rotates at the same time. At this time again, The auxiliary wooden retainer 13 holds down the back of the workpiece W, and the knife edge 15 for preventing slippage is fed while holding the workpiece W while biting into the bottom surface of the workpiece W. (Figures 3 and 4).

0010 The workpiece W is first pre-processed by cutting its right end with the horizontal circular saw 5, and then Then, the cutter 7 vertically processes it into a finger shape. Next, the workpiece W is transformed into a transformer. It is transferred to the left side by Farol 8, and the left end is similarly processed into vertical fingers. .

[0011] Next, a case will be described in which horizontal fingers are formed at the end of the workpiece W.

0012 In the case of this horizontal finger processing, attach the wood holding belt 6, auxiliary wood holding belt 13, etc. The supporting frame 11 (see FIG. 4) is equipped with, for example, a screw type vertical movement device (not shown). etc., to lower the material W to be processed according to its thickness.

[0013] The workpiece W input by the operator is transferred to the transformer as in the case of vertical fingers. It is moved to the right by the Farol 3, stopped by the stopper 4, and the material feeding dock 2 and is pushed by the tall dock 10 and rotates endlessly at the same speed as the material feeding chain 1. It moves while being held down by the wood holding belt 6 (Fig. 1). At this time as well, auxiliary wooden presser 1 3 presses the back of the workpiece W, and the knife edge 15 for preventing slippage holds the workpiece W The work piece W is held in a state where it slightly bites into the bottom surface of the machine. In this way, the workpiece W After the right end is fingered horizontally with a horizontal circular saw 5 and a cutter 7, the transfer It is moved to the left by the roll 8 and the left end is processed in the same way.

[0014]

【Example】

Hereinafter, specific embodiments of this invention will be described with reference to the drawings.

[0015] Figure 1 is a schematic plan view of the finger jointer according to this invention, and Figure 2 is the P of Figure 1. FIG. 3 is a side view in the direction of arrows. Material feeding chain as an endless rotating conveyance mechanism (quite Material feeding docks 2 are fixed at regular intervals to the solidly made) 1, and the material feeding docks 2 are fixed at regular intervals to It is designed to move under control. A large number of workpieces W input into the machine are placed side by side. It is moved to the right end by the transferred transfer roll 3, and held at a certain position by the stopper 4. The vehicle is stopped and transported. 5 is a transverse circular saw for cutting the end of the workpiece W; installed on the right and left sides of the machine. Similarly, 6 is a wooden press installed at the left and right ends of the machine. The belt is a belt that rotates endlessly at the same speed as the material feeding chain 1. 7 is covered This is a cutter for finger processing the left and right ends of the workpiece W. In addition, the center of the machine 8 is a large number of transfer rolls installed side by side, which are rotated to transfer the workpiece W. is moved to the left end of the machine frame.

[0016] Next, FIG. 3 shows the wood of the workpiece W installed near the horizontal circular saw 5 and cutter 7 in FIG. A perspective view of the presser belt 6 and the material feeding dock 2, FIG. 4 is seen from the direction of arrow Q in FIG. 3. It is a front view.

[0017] In FIG. 3, 10 is a tall dock attached to the material transport dock 2, and its flat surface is The surface part 10a is fixed to the material feeding dock 2 fixed to the material feeding chain 1, and the vertical part 10b is fixed to the material feeding dock 2 fixed to the material feeding chain 1. Bring it into contact with the workpiece W. The center portion 10c of the vertical portion 10b of the tall dock 10 is It is a cutout. In addition, the tree holding belt 6 has a flexible structure as shown in FIG. - while the back is being held down by a roller 12 rotatably pivoted to the frame 11 (see Figure 4). While holding down the workpiece material W, the material feeding chain 1 is connected by a drive source (not shown). It rotates endlessly at the same speed.

[0018] Next, reference numeral 13 denotes an auxiliary wooden retainer, which is rotatably pivoted around one end O. A biasing force from a spring 14 is applied to the back. Therefore, the auxiliary wooden presser 13 holds down the back of the processed material W that is being fed and moves while also sliding it. The role of The auxiliary wood holder 13 is installed parallel to the wood holder belt 6.

[0019] Reference numeral 15 is a Nanf edge for preventing slippage, which is opposite to the auxiliary wooden retainer 13. This is for holding down the bottom surface of the material W. The slip-preventing number edge 15 is covered with The frame slightly bites into the bottom of the processing material W and presses it in the material feeding direction. Install it on the material feeding side.

[0020] The configuration of the finger jointer according to this invention is as described above. The effect of this will be explained.

[0021] First, a case where vertical fingers are formed at the end of the workpiece W will be described. Made by The workpiece W introduced by the trader is moved to the right by the transfer roll 3. and stop it with the stopper 4 (Fig. 1). When the workpiece W stops, it becomes endless. It is attached and fixed to the material feeding chain 1 which rotates, and moves simultaneously with the material feeding chain 1. It is pushed by the material feeding dock 2 and moves in the direction of the horizontal circular saw 5. In this case, the workpiece W is It is held down by a wood holding belt 6 that rotates endlessly at the same speed as the material feeding chain 1. move around. Also, at this time, the auxiliary wooden presser 13 presses the back of the workpiece material W, In addition, the knife edge 15 for preventing slippage is slightly bitten into the bottom surface of the workpiece W. The workpiece W is fed while being held (FIG. 4).

[0022] The workpiece W is first pre-processed by cutting its right end with the horizontal circular saw 5, and then Then, the cutter 7 vertically processes it into a finger shape. Next, the workpiece W is placed at the feeding dot. It is transported as it is by the dock 2 and the tall dock 10, but when it reaches the designated position, the transformer It is moved by Farol 8 to stopper 4 installed on the left side of Figure 1, and here be stopped. And this time, the workpiece W is connected to the wood holding belt 6 in the same way as the right end. While being pressed and held by the auxiliary wooden retainer 13 and the knife edge 15 for preventing slippage, The left end is cut with a horizontal circular saw 5, and then the left end is vertically cut into fins with a cutter 7. It is processed.

[0023] Next, a case will be described in which horizontal fingers are formed at the end of the workpiece W.

[0024] In the case of this horizontal finger processing, attach the wood holding belt 6, auxiliary wood holding belt 13, etc. The supporting frame 17 can be moved downward by, for example, a screw-type vertical moving device (not shown). according to the thickness of the workpiece W. In addition, the wood holding belt 6 and the auxiliary wood holding belt 6 are also available. As is clear from FIG. Since the upper surface of the end side of the dock 10 is higher than the workpiece W, the height of the tall dock 10 is It is placed within the central portion 10c, which is a cutout of the straight portion 10b.

[0025] The workpiece W input by the operator is transferred to the transformer as in the case of vertical fingers. It is moved to the right by the farol 3 and stopped by the stopper 4. The workpiece W is It is pushed by the material feeding dock 2 and the tall dock 10, and runs at the same speed as the material feeding chain 2. It moves while being held down by a wood holding belt 6 that rotates at a speed (Fig. 1). Also at this time A supporting wood holder 13 presses the back of the workpiece W, and a knife edge 1 for preventing slippage 5 is holding the workpiece W in a state where it slightly bites into the bottom surface of the workpiece W (Fig. 5). In this way, the workpiece W is cut horizontally with the right end by the horizontal circular saw 5 and the cutter 7. After being processed, transfer roll 8 moves it to the left side and the left end is processed in the same way. be done.

[0026] The details of the embodiment of the finger jointer according to this invention are as above. The tree holding belt 6 shown in this finger jointer embodiment has many rollers. It is also possible to use a lined-up holding mechanism or the like.

[0027]

[Effect of the idea]

The finger jointer according to this invention has the structure detailed above. , it is possible to perform not only horizontal finger machining of the workpiece, but also vertical finger machining. Ru. Therefore, compared to installing a separate finger jointer, extra workers and There is no need for space, and costs can be significantly reduced, and that's it. As a result, the price of the product becomes cheaper, which is also beneficial to the consumer.

[0028]

[Brief explanation of drawings]

FIG. 1 is a schematic plan view of a finger jointer according to the invention.

2 is a side view in the direction of arrow P in FIG. 1. FIG.

3 is a perspective view of a workpiece holding belt and a material feeding dock installed in the vicinity of the transverse circular saw and cutter in FIG. 1, and is a view in the case of forming vertical fingers; FIG.

4 is a front view seen from the direction of arrow Q in FIG. 3. FIG.

5 is a front view seen from the direction of arrow Q in FIG. 3 when forming horizontal fingers; FIG.

FIG. 6 is a schematic plan view of a conventional finger jointer.

FIG. 7 is a perspective view of main parts of a conventional finger jointer when forming horizontal fingers.

FIG. 8 is a perspective view of the main parts of a conventional finger jointer when forming vertical fingers.

FIG. 9 is a perspective view of a workpiece processed with horizontal fingers.

FIG. 10 is a perspective view of a workpiece machined with vertical fingers.

[Explanation of symbols]

1 Material feeding chain 2 Material transport dock 3,8 Transfer roll 4 Stopper 5 Horizontal circular saw 6 Tree holding belt 7 Cutter 10 Tall dock 13 Auxiliary wooden support 15 Knife edge to prevent slippage

Claims (1)

[Scope of utility model registration request] Claim 1: An endless rotary conveyance mechanism for transporting a workpiece positioned at one end of a fixed dock for transporting the workpiece, and two wheels installed on both sides for separately processing both ends of the workpiece. a cutter that is installed on both sides following the two saws and separately processes both ends of the workpiece into a predetermined shape, and a holding mechanism that rotates endlessly at the same speed as the endless rotation conveyance mechanism. In the finger jointer, the material feeding dock is a tall dock, an auxiliary holding member for applying a biasing force by a spring is pivotally attached to the holding mechanism, and further, on the material feeding surface of the machine frame, A finger jointer characterized in that a knife edge for preventing slippage is installed, which presses the workpiece W from the bottom surface in the material feeding direction.