CN109702830B - Novel tenon machining method - Google Patents

Novel tenon machining method Download PDF

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Publication number
CN109702830B
CN109702830B CN201910076240.2A CN201910076240A CN109702830B CN 109702830 B CN109702830 B CN 109702830B CN 201910076240 A CN201910076240 A CN 201910076240A CN 109702830 B CN109702830 B CN 109702830B
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tenon
power
cutter
shoulder
machining
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CN109702830A (en
Inventor
康建军
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WUHAN EHCELLENT FURNITURE MANUFACTURING Co.,Ltd.
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Wuhan Ehcellent Furniture Manufacturing Co ltd
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Priority to CN201910076240.2A priority Critical patent/CN109702830B/en
Priority to CN201710346681.0A priority patent/CN106976136B/en
Publication of CN109702830A publication Critical patent/CN109702830A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27FDOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F1/00Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
    • B27F1/08Making dovetails, tongues, or tenons, of definite limited length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G3/00Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

Abstract

The invention discloses a tenon machining method, which comprises the following steps: s1: installing the blank on a tenon machining device; s2: milling an inclined shoulder tenon at the end part of the blank by using a milling cutter; s3: sawing a groove on the surface of the inclined shoulder tenon by using a saw disc; s4: the method comprises blowing off the wood chips on the surface of the oblique shoulder tenon by using an air blowing pipe connected with a compressed air source. The processing method has the advantages that the tenon processing device with the unique structural design is used, so that a great number of excellent technical effects can be obtained, the processing of the tenon can be completed through a great number of excellent performances such as high efficiency, high quality, excellent repeatability and the like, the market popularization and industrial production potential is good, and the application value is good.

Description

Novel tenon machining method
The application is a divisional application with the application number of 2017103466810, application date of 2017, 05 and 17 months, and the invention name of 'a novel tenon processing method'.
Technical Field
The invention relates to a wood processing method, in particular to a novel tenon processing method, and belongs to the technical field of wood processing devices.
Background
With the technological progress and the rapid development of industrialization, intellectualization and mechanization, many manual methods in the manufacture of wood furniture are slowly replaced by machines, thereby greatly saving manpower and material resources, improving the production efficiency and increasing the economic benefit of enterprises. Moreover, as technology continues to advance, devices used in wood processing continue to be investigated.
At present, in the processing of mortise and tenon structures, a plurality of operators do not know and are familiar with a necessary procedure, namely braking, in the traditional operation any more. The stopping is a traditional manual process in wood processing, particularly high-grade wood processing such as manufacturing of redwood furniture, and the specific method is as follows: before the tenon-and-mortise structure of furniture is combined and mounted, all the tenon-and-mortise structure portions are pulled (sawed) once or several times by using a wrist saw (a small hand saw), so that the shoulder openings are tight and firm when combined, the service life of the furniture is prolonged, and the grade and high-grade feeling of the furniture are improved.
After the tenon processing is finished by modern mechanized wood working machinery, the stopping treatment in the traditional manufacturing can not be implemented, and additional manual stopping treatment is needed; moreover, the technical requirements of the manual operation on operators are very high, long-term experience, flexible hand feeling and the like are required, the manual operation is time-consuming and labor-consuming, the production efficiency of tenon manufacturing is seriously affected, large-scale production cannot be realized, the final effect obtained by each operator is different, and even in the same batch, the same operator cannot obtain the same final tenon-mortise combination result.
In addition, as one of tenon structures, oblique shoulder tenons are more complex structures, tenon materials and mortise materials are in oblique angle relation, and mortises and tenons are not connected at 90 degrees, so that the oblique shoulder tenons are called as oblique shoulder tenons. In the field of wood processing, the inclined shoulder tenon has higher processing difficulty and complex method, and because the tenon shoulder has angle requirements, the existing manufacturing method still adopts manual manufacturing, so that the efficiency is low, the yield is low, and the large-scale processing and application of the inclined shoulder tenon are seriously limited.
Therefore, based on the above drawbacks, in the field of tenon machining technology, there is still a need for research and improvement on a novel tenon machining method, which is also a research focus and a focus in the field of tenon machining at present, and is a starting point and a power point for the completion of the present invention.
Disclosure of Invention
In view of the above-mentioned drawbacks, and in order to provide a novel method for manufacturing a tenon, the present inventors have made extensive and intensive studies and, as a result, have completed the present invention after having paid extensive and inventive efforts.
Specifically, the technical problem to be solved by the invention is to provide a novel tenon machining method, wherein the tenon machining method uses a tenon machining device, the tenon machining device comprises a frame, a base driven by a first power device is slidably installed on one side of the frame along an X axis, a rotary workbench driven by a second power device is rotatably installed on the base by taking a Z axis as a center, a blank is installed on the rotary workbench, a support beam driven by a third power device is slidably installed on the frame along the Z axis, a vertical slide rail is arranged on the frame, the support beam is installed on the vertical slide rail and connected with the third power device through a lead screw, a ram driven by a fourth power device is slidably installed on the support beam along a Y axis, a transverse slide rail is arranged on the support beam, and the ram is installed on the transverse slide rail and connected with the fourth power device through a lead screw, the ram is provided with a power head, the power head is provided with a milling cutter, and the milling cutter is provided with a saw disc;
wherein, the pitch and the height of the saw disc are small, and the pitch and the height of the common sesame saw are used as standards. The inventor of the present invention has studied to further change the opening angle of the saw teeth of the saw disc (using the pitch and the height of the sesame saw as the standard, or directly performing the following changes on the basis of the sesame saw, the same applies below), that is, the opening angle of the saw teeth is different in the circumferential direction, specifically: the two ends in the same diameter direction have the maximum opening angle and the minimum opening angle, and the opening angles of the sawteeth on the two sides gradually change in an equal angle mode. Through the structural design, the saw disc can process the groove with proper depth on the surface of the inclined shoulder tenon more smoothly and more smoothly, and the opening angle is different, so that the edge of the groove is more tidy and smooth, and the combination degree is better.
Still more preferably, the maximum opening angle is 80-100 °, for example 80 °, 90 ° or 100 °; the minimum opening angle is 25-45 °, for example 25 °, 30 °, 35 °, 40 ° or 45 °. After the maximum opening angle and the minimum opening angle are determined, the gradient angle of the equal-angle gradient can be easily determined according to the angle difference between the maximum opening angle and the minimum opening angle, the length of the half circumference of the saw disc and the saw tooth density, which is the conventional calculation capability that a person skilled in the art should have after reading the technical scheme of the invention and is not described in detail herein.
The processing method comprises the following steps:
s1: installing the blank on the tenon machining device;
s2: milling a sloping shoulder tenon at the end of the blank by using the milling cutter;
s3: sawing a groove on the surface of the oblique shoulder tenon by using the saw disc;
s4: and blowing off the wood chips on the surface of the oblique shoulder tenon by using an air blowing pipe connected with a compressed air source, thereby finishing the tenon machining method.
In the tenon machining apparatus of this method, the base may be movable in the X-axis direction, so that the distance between the base and the frame may be adjusted.
In the tenon machining apparatus of the method, the base and the rotary table are conventional elements and apparatuses in the mechanical field, and are commercially available through various channels, and are not described in detail again.
In the tenon machining device of the method, the blank is arranged on the rotary workbench, so that the angle of the blank can be adjusted, and the tenon machining with different angles is realized.
In the tenon machining device of the method, the power head can realize feeding in two directions under the action of the fourth power device and the third power device.
In the tenon machining device of the method, the milling cutter is arranged on the power head, so that milling machining of a blank can be realized, and initial machining of the inclined shoulder tenon is further completed.
In the method for processing a tenon of the present invention, as a preferred technical solution, in the apparatus for processing a tenon: the unit head include through the transmission shaft rotate install in transmission box in the ram, the transmission box internal rotation is installed and is used for the installation the cutter arbor cover of milling cutter, the cutter arbor cover is connected with the transmission shaft transmission, fifth power device is connected to the transmission shaft, with one side that the transmission shaft is relative there is the articulated shaft fixed mounting on the transmission box, the articulated shaft rotate install in on the ram, sixth power device is connected in the articulated shaft transmission.
Through the structural design, the cutter bar sleeve and the cutter arranged in the cutter bar sleeve rotate together under the driving of the fifth power device, so that the machining operation is realized.
In the method for processing a tenon of the present invention, as a preferred technical solution, in the apparatus for processing a tenon: the cutter bar sleeve is connected with the transmission shaft through a bevel gear pair.
In the method for processing a tenon of the present invention, as a preferred technical solution, in the apparatus for processing a tenon: the ram is rotatably provided with a transition shaft connected with the sixth power device, the transition shaft is parallel to the articulated shaft, the transition shaft is fixedly provided with a driving gear, and the articulated shaft is fixedly provided with a driven gear engaged with the driving gear.
Through the structural design, the sixth power device can drive the articulated shaft to rotate by an angle, so that the cutter bar sleeve swings by an angle, the position of the cutting edge of the milling cutter and the position of the saw disc are changed, and the processing operation at different angles is smoothly completed.
In the tenon working method of the present invention, in the tenon working apparatus: the first power device, the second power device, the third power device, the fourth power device, the fifth power device and the sixth power device are servo motors.
The servo motors are very conventional power devices in the industrial field, and the corresponding servo motors of suitable specifications are selected and commercially purchased according to the actual needs of production and processing, and will not be described in detail herein.
In the method for processing a tenon of the present invention, as a preferred technical solution, in the apparatus for processing a tenon: the milling cutter is characterized in that a cutter bar is installed in the cutter bar sleeve, the end face of the cutter bar is provided with the milling cutter, and the cutter bar is fixedly provided with the saw disc which is coaxial with the cutter bar.
Through such structural design, after accomplishing milling process, need not change the cutter, only need use sixth power device will the cutter arbor cover rotates 90, can realize stopping the processing alive to the surface of sloping shoulder tenon to when stopping the operation alive, the accessible swivel work head adjusts the angle of sloping shoulder tenon, makes the slot that the saw disc was processed becomes the angle that needs the settlement (for example 45) with the edge of sloping shoulder tenon.
Through the structural design, the brake activation efficiency can be obviously improved, the brake activation quality is improved, the industrial and mechanical production is realized, a large amount of manual operation is not needed, and the unavoidable manual error during manual brake activation is overcome.
In the method for processing a tenon of the present invention, as a preferred embodiment, in the tenon processing apparatus: the saw disc is provided with a plurality of saw discs in parallel at intervals.
Through such quantity setting, improved the living efficiency of stopping on the one hand, on the other hand has guaranteed the same of each saw disc feed volume, has improved the quality of living of stopping.
As a preferred solution, the number of saw discs is 2-8, such as 2, 3, 4, 5, 6, 7 or 8, and may be suitably arranged according to the length, width, etc. of the groove, which is also an option that will be obvious to a person skilled in the art after reading the present invention and will not be described in detail herein.
In the tenon machining method of the present invention, as a preferred technical solution, in step S2, the rotation speed of the milling cutter is 1500-.
In the tenon working method according to the present invention, as a preferable mode, in step S3, the extending direction of the groove of each surface of the sloping shoulder tenon is not parallel to each edge of the surface of the sloping shoulder tenon.
The "surface" is the "each surface" corresponding to the surface, for example, for the surface a, the extending direction of the grooves on the surface a is not parallel to each edge of the surface a (i.e. forms a certain angle, and the size of the angle can be selected as required).
More in detail, the surface-machined groove of the shoulder tenon extends in an oblique direction, which oblique direction (i.e. the angle with one of the edges) is typically 30-60 °, preferably 45 °, as shown in fig. 3.
In the tenon working method of the present invention, as a preferable embodiment, in step S3, the rotation speed of the saw disc used is 5 to 10 revolutions per minute.
After adopting such rotational speed, the saw disc can not produce high temperature, and the fluff is effectual, can reduce moreover and skid to the machining efficiency of tenon has further been improved.
As described above, the present invention provides a novel method of manufacturing a tenon using a tenon manufacturing apparatus having a unique structural design, thereby achieving a number of advantageous technical effects (in addition to the above-mentioned advantages), such as:
1. because the saw disc can be used for fuzzing the groove of the tenon after milling, the effect of the method is consistent with that of the traditional stopping method, so that the stopping can be realized on a mechanical device, manual operation is replaced, the processing efficiency is improved, the high consistency and the repeatability are realized, the bonding performance of the tenon shoulder and the mortise is improved, and the tenon breaking and shoulder breaking are reduced.
2. Because can make the extending direction of slot and the all edges on this surface of sloping shoulder tenon be all not parallel (can become the angle that needs set for with the edge of slot and sloping shoulder tenon) for tenon intensity after the saw dish is stopped to activate and the bearing capacity after the installation improves greatly, compares with the straight line, and this kind of twill is after gluing, and bearing capacity obtains improving by a wide margin.
3. Because the milling cutter is fixedly provided with the saw disc which is coaxial with the cutter bar, after milling processing is finished, the cutter does not need to be replaced, the cutter bar sleeve only needs to be rotated by 90 degrees, the surface stopping method of the inclined shoulder tenon can be realized, and in the stopping process, the angle of the inclined shoulder tenon can be adjusted by the rotary workbench, so that the groove processed by the saw disc and the edge of the inclined shoulder tenon form various angles (for example, 45 degrees), and the inclined edge of the inclined shoulder tenon forms inclined grains in the raising process, thereby further improving the stopping efficiency and simultaneously improving the stopping quality.
As described above, the present invention provides a novel tenon machining method, which can achieve a great number of excellent technical effects by using a tenon machining apparatus having a unique structural design, can complete the machining of a tenon with a great number of excellent performances such as high efficiency, high quality, excellent repeatability, etc., and has good market popularization and industrial production potential and good application value.
Drawings
FIG. 1 is a schematic structural view of a tenon working apparatus used in the working method of the present invention;
FIG. 2 is a schematic structural diagram of a power head in the tenon machining apparatus used in the machining method of the present invention;
FIG. 3 is a schematic structural view of the inclined shoulder tenon after being processed by the tenon processing device used in the processing method of the present invention;
wherein in fig. 1, 2 and 3, each numerical designation refers to a particular meaning, element and/or component, respectively, as follows.
In the figure: 1. the device comprises a rack, 2, a base, 3, a rotary workbench, 4, a supporting beam, 5, a ram, 6, a power head, 601, a transmission box body, 602, a transmission shaft, 603, a fifth power device, 604, a bevel gear pair, 605, a cutter bar sleeve, 606, a hinge shaft, 607, a transition shaft, 608, a sixth power device, 609, a driving gear, 610, a driven gear, 7, a milling cutter, 8, a saw disc, 9, a cutter bar, 10, a sloping shoulder tenon, 11 and a groove.
Detailed Description
The present invention will be described in detail with reference to specific embodiments with reference to the attached drawings, but the use and purpose of these embodiments are merely to illustrate the present invention, and the present invention is not limited to the actual scope of the present invention in any form, and the present invention is not limited to the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "X-axis", "Y-axis", "Z-axis", "vertical", "lateral", "length", "width", "up", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In addition, it should be noted that the preferred embodiments listed in the following examples are only one preferred embodiment, and it is not intended that the present invention cannot be implemented by using conventional corresponding means, and the present invention must not be limited within the scope of these preferred embodiments.
Example 1
The invention provides a tenon machining method, which uses a novel tenon machining device.
As shown in fig. 1 and fig. 2 together, the tenon machining apparatus includes a frame 1, a base 2 driven by a first power device is slidably mounted on one side of the frame 1 along an X-axis (the base 2 can move in the X-axis direction, so that a distance between the base 2 and the frame 1 can be adjusted), a rotary table 3 driven by a second power device is rotatably mounted on the base 2 around the Z-axis (the base 2 and the rotary table 3 are conventional elements and devices in the mechanical field and can be purchased through various commercial channels, and are not described again), a blank is mounted on the rotary table 3 (the angle of the blank can be adjusted to realize tenon machining with different angles), a support beam 4 driven by a third power device is slidably mounted on the frame 1 along the Z-axis, a vertical slide rail is provided on the frame 1, the support beam 4 is mounted on the vertical slide rail and is connected to the third power device through a lead screw, a ram 5 driven by a fourth power device is slidably mounted on the support beam 4 along the Y axis, a transverse sliding rail is arranged on the support beam 4, the ram 5 is mounted on the transverse sliding rail and connected with the fourth power device through a screw rod, a power head 6 is mounted on the ram 5 (the power head 6 can realize feeding in two directions under the action of the fourth power device and the third power device), a milling cutter 7 is mounted on the power head 6 (so as to realize milling of blanks and finish primary processing of the inclined shoulder tenon 10), and a saw disc 8 is mounted on the milling cutter 7;
wherein, the pitch and the tooth height of saw disc 8 are all less, and the pitch and the tooth height of the sesame saw of using usually are the standard, and the angle that opens of the sawtooth of saw disc 8 is specifically as follows (with the pitch and the tooth height of sesame saw as the standard, or directly carry out following change on the basis of sesame saw), and the angle that opens of sawtooth is different in the circumferencial direction, specifically is: the two ends in the same diameter direction have the maximum opening angle and the minimum opening angle, and the opening angles of the sawteeth on the two sides gradually change in an equal angle mode. Through the structural design, the saw disc 8 can process the groove 11 with proper depth on the surface of the inclined shoulder tenon 10 more smoothly and more smoothly, and the opening angles are different, so that the edge of the groove 11 is more tidy and smooth, the combination degree is better, namely, the braking and activating method is completed on the surface of the inclined shoulder tenon 10, manual operation is replaced, the processed groove 11 is good in consistency, and the service performance is more excellent in a subsequent bonding method.
Still more preferably, the maximum opening angle is 80-100 °, for example, 80 °, 90 ° or 100 ° (in the present embodiment, the maximum opening angle is 90 °); the minimum opening angle is 25-45 °, for example 25 °, 30 °, 35 °, 40 ° or 45 ° (in this embodiment, the minimum opening angle is 35 °). After the maximum opening angle and the minimum opening angle are determined, the gradient angle of the equal-angle gradient can be easily determined according to the angle difference between the maximum opening angle and the minimum opening angle, the length of the half circumference of the saw disc 8 and the saw tooth density, which is the conventional calculation capability that a person skilled in the art should have after reading the technical scheme of the invention and will not be described in detail herein.
The processing method comprises the following steps:
s1: installing the blank on the tenon machining device;
s2: milling a sloping shoulder tenon 10 at the end of the blank by using the milling cutter 7;
s3: sawing a groove 11 on the surface of the oblique shoulder tenon 10 by using the saw disc 8;
s4: and blowing off the wood chips on the surface of the inclined shoulder tenon 10 by using an air blowing pipe connected with a compressed air source, thereby finishing the tenon machining method.
As a preferable technical solution, in the tenon machining apparatus: the power head 6 comprises a transmission case body 601 rotatably mounted in the ram 5 through a transmission shaft 602, a cutter bar sleeve 605 for mounting the milling cutter 7 is rotatably mounted in the transmission case body 601, the cutter bar sleeve 605 is in transmission connection with the transmission shaft 602, the transmission shaft 602 is connected with a fifth power device 603 (under the drive of the fifth power device, the cutter bar sleeve 605 and a cutter mounted in the cutter bar sleeve 605 rotate together), a hinge shaft 606 is fixedly mounted on the transmission case body 601 on the side opposite to the transmission shaft 602, the hinge shaft 606 is rotatably mounted on the ram 5, and the hinge shaft 606 is in transmission connection with a sixth power device 608.
As a preferable technical solution, in the tenon machining apparatus: the cutter arbor sleeve 605 is connected to the drive shaft 602 through a bevel gear pair 604.
As a preferable technical solution, in the tenon machining apparatus: a transition shaft 607 connected with a sixth power device 608 is rotatably mounted on the ram 5, the transition shaft 607 is parallel to a hinge shaft 606, a driving gear 609 is fixedly mounted on the transition shaft 607, and a driven gear 610 engaged with the driving gear 609 is fixedly mounted on the hinge shaft 606.
Through the structural design, the sixth power device 608 can drive the hinge shaft 606 to rotate by an angle, so that the cutter bar sleeve 605 swings by an angle, the positions of the cutting edge of the milling cutter 7 and the saw disc 8 are changed, and the processing operation at different angles can be smoothly completed.
Wherein, in the tenon processing device: the first, second, third, fourth, fifth and sixth power means 603 and 608 are servo motors.
The servo motors are very conventional power devices in the industrial field, and the corresponding servo motors of suitable specifications are selected and commercially purchased according to the actual needs of production and processing, and will not be described in detail herein.
As a preferable technical solution, in the tenon machining apparatus: a cutter bar 9 is arranged in the cutter bar sleeve 605, a milling cutter 7 is arranged on the end surface of the cutter bar 9, and a saw disc 8 which is coaxial with the cutter bar 9 is fixedly arranged on the cutter bar 9.
Through the structural design, after the milling process is completed, the cutter does not need to be replaced, the surface of the inclined shoulder tenon 10 can be subjected to the active braking process only by rotating the cutter rod sleeve 605 by 90 degrees by using the sixth power device 608, and the angle of the inclined shoulder tenon 10 can be adjusted by rotating the workbench 3 during the active braking operation, so that the groove 11 processed by the saw disc 8 and the edge of the inclined shoulder tenon 10 form a required set angle (for example, 45 degrees).
Through the structural design, the brake activation efficiency can be obviously improved, the brake activation quality is improved, the industrial and mechanical production is realized, a large amount of manual operation is not needed, and the unavoidable manual error during manual brake activation is overcome.
As a preferable technical solution, in the tenon machining apparatus: the saw discs 8 are arranged in parallel at intervals.
Through such quantity setting, improved the efficiency of stopping alive on the one hand, on the other hand has guaranteed the same of 8 feed capacities of each saw disc, has improved the quality of stopping alive.
As a preferred way, the number of saw discs 8 is 2-8, such as 2, 3, 4, 5, 6, 7 or 8, and may be suitably arranged according to the length, width, etc. of the groove 11, which is also an option that will be obvious to a person skilled in the art after reading the present invention and will not be described in detail here.
In step S2, the rotation speed of the milling cutter 7 is 1500-.
In step S3, the groove 11 of each surface of the shoulder tenon 10 extends in a direction which is not parallel to the edges of the surface of the shoulder tenon, that is, the groove 11 machined in the surface of the shoulder tenon 10 extends in an inclined direction, and the inclined direction (i.e., the angle between the groove and one of the edges) is generally 30 to 60 °, preferably 45 ° (45 ° in this embodiment), as shown in fig. 3.
The "surface" is the "each surface" corresponding to the surface, for example, for the surface a, the extending direction of the grooves on the surface a is not parallel to each edge of the surface a (i.e. forms a certain angle, and the size of the angle can be selected as required).
In step S3, the rotational speed of the saw disc used is 5-10 revolutions per minute. The speed of rotation is also relatively low for the saw disc 8 with a relatively small diameter, so that high temperature is not generated, and slipping can be reduced, thereby further improving the processing efficiency of the tenon.
As described above, the present invention provides a tenon working method which achieves advantageous technical effects (in addition to the above-mentioned advantages) such as:
1. because the saw disc 8 can be used for fuzzing the tenon after milling, the effect of the groove 11 is consistent with that of the traditional stopping method, so that the stopping can be realized on a mechanical device, manual operation is replaced, the processing efficiency is improved, the high consistency and the repeatability are realized, the combination performance of the tenon shoulder and the mortise is improved, and the tenon breaking and shoulder breaking are reduced.
2. Because can make the extending direction of slot 11 all be not parallel with each edge on this surface of sloping shoulder tenon 10 (can become the angle that needs set for with the edge of slot 11 with sloping shoulder tenon 10) for the tenon intensity after 8 are stopped alive and are handled through the saw disc improves greatly with the bearing capacity after the installation, compares with straight line, and this kind of twill is cohered the back, and bearing capacity obtains improving by a wide margin.
3. Because the milling cutter 7 is fixedly provided with the saw disc 8 which is coaxial with the cutter bar 9, after milling processing is finished, the cutter does not need to be replaced, only the cutter bar sleeve needs to be rotated by 90 degrees, the surface stopping method for the inclined shoulder tenon 10 can be realized, and in the stopping process, the angle of the inclined shoulder tenon 10 can be adjusted by the rotary workbench 3, so that the groove 11 processed by the saw disc 8 and the edge of the inclined shoulder tenon 10 form various angles (for example, 45 degrees), and the inclined grain is formed in the raising process, thereby further improving the stopping efficiency and simultaneously improving the stopping quality.
Test example
The same kind of locust wood was used, and the following different treatments were performed according to the method of example 1 (the number of saw discs was 5, the adhesives were the same, and the oblique shoulder tenons of the same specification were also used for butt joint), so as to examine the respective joint strength and load-bearing capacity, specifically:
test article No. 1: the butt joint of the tenon does not use a saw disc to brake and only uses adhesive to bond.
Test article No. 2: the butt joint of the tenon is braked by using a saw disc, and the groove is a groove (the depth is 0.5mm) parallel to the edge of the oblique shoulder tenon.
Test article No. 3: the butt joint of the tenon is braked by using a saw disc, and the groove is a groove (the depth is 0.5mm) forming an angle of 45 degrees with the edge of the oblique shoulder tenon.
After the above test products No. 1-3 were obtained and left for 24 hours to be sufficiently bonded, the test was conducted by using a load bearing member, and the strength and the load bearing capacity of each tenon were examined by increasing the weight, as follows:
test article No. 1: when the bearing capacity is 185 kilograms, the tenon is broken.
Test article No. 2: when the bearing capacity is 328 kilograms, the tenon is broken.
Test article No. 3: when the bearing weight is 521 kilograms, the tenon breaks.
Therefore, the tenon strength and the bearing capacity can be greatly improved after the saw disc is subjected to the brake activation treatment, and when the groove and the edge are further made to present a certain angle, namely the groove is a diagonal groove, the tenon strength and the bearing capacity can be continuously improved, so that the tenon strength and the bearing capacity are better.
As described above, the present invention provides a novel tenon machining method, which can achieve a great number of excellent technical effects by using a tenon machining apparatus having a unique structural design, can complete the machining of a tenon with a great number of excellent performances such as high efficiency, high quality, excellent repeatability, etc., and has good market popularization and industrial production potential and good application value.
Although the foregoing embodiments of the invention and the structures and processes shown in the drawings have been described for the purposes of illustration and description. They are not intended to be exhaustive or to limit the scope of the invention to the precise forms disclosed. Numerous modifications and variations of the above-described embodiments of the invention will be apparent to those skilled in the art, and all such modifications and/or variations are included within the scope of the invention as defined in the appended claims without departing from the scope and spirit of the invention as defined in the following claims.

Claims (8)

1. A tenon machining method is characterized in that: the processing method uses a tenon processing device which comprises a frame, one side of the frame is provided with a base driven by a first power device along an X axis in a sliding way, a rotary workbench driven by a second power device is rotatably arranged on the base by taking a Z axis as a center, a blank is arranged on the rotary workbench, a supporting beam driven by a third power device is arranged on the frame along the Z axis in a sliding way, the frame is provided with a vertical sliding rail, the supporting beam is arranged on the vertical sliding rail and is connected with the third power device through a screw rod, a ram driven by a fourth power device is arranged on the supporting beam along the Y axis in a sliding way, the supporting beam is provided with a transverse sliding rail, the ram is arranged on the transverse sliding rail and is connected with the fourth power device through the screw rod, a power head is arranged on the ram, and a milling cutter is arranged on the power head, the milling cutter is provided with a saw disc, the opening angle of the sawteeth of the saw disc is different in the circumferential direction, and the method specifically comprises the following steps: the two ends in the same diameter direction are provided with a maximum opening angle and a minimum opening angle, and the opening angles of the sawteeth on the two sides are gradually changed in an equal angle mode;
the processing method comprises the following steps:
s1: installing the blank on the tenon machining device;
s2: milling a sloping shoulder tenon at the end of the blank by using the milling cutter;
s3: sawing a groove on the surface of the oblique shoulder tenon by using the saw disc;
s4: blowing off the wood chips on the surface of the oblique shoulder tenon by using an air blowing pipe connected with a compressed air source, thereby finishing the tenon machining method;
the maximum opening angle is 80-100 degrees, and the minimum opening angle is 25-45 degrees;
the groove machined on the surface of the inclined shoulder tenon extends in an inclined direction, and the inclined direction is 30-60 degrees.
2. The method of manufacturing a tenon according to claim 1, wherein: the unit head include through the transmission shaft rotate install in transmission box in the ram, the transmission box internal rotation is installed and is used for the installation the cutter arbor cover of milling cutter, the cutter arbor cover is connected with the transmission shaft transmission, fifth power device is connected to the transmission shaft, with one side that the transmission shaft is relative there is the articulated shaft fixed mounting on the transmission box, the articulated shaft rotate install in on the ram, sixth power device is connected in the articulated shaft transmission.
3. The method of manufacturing a tenon according to claim 2, wherein: the cutter bar sleeve is connected with the transmission shaft through a bevel gear pair.
4. The method of manufacturing a tenon according to claim 2 or 3, wherein: the ram is rotatably provided with a transition shaft connected with the sixth power device, the transition shaft is parallel to the articulated shaft, the transition shaft is fixedly provided with a driving gear, and the articulated shaft is fixedly provided with a driven gear engaged with the driving gear.
5. The method of manufacturing a tenon according to claim 2, wherein: the milling cutter is characterized in that a cutter bar is installed in the cutter bar sleeve, the end face of the cutter bar is provided with the milling cutter, and the cutter bar is fixedly provided with the saw disc which is coaxial with the cutter bar.
6. The method of manufacturing a tenon according to claim 1, wherein: the saw disc is provided with a plurality of saw discs in parallel at intervals.
7. The method of manufacturing a tenon according to claim 1, wherein: in step S2, the rotation speed of the milling cutter is 1500-2000 rpm.
8. The method of manufacturing a tenon according to claim 7, wherein: in step S3, the groove of each surface of the sloping shoulder tenon extends in a direction which is not parallel to the edges of the surface of the sloping shoulder tenon.
CN201910076240.2A 2017-05-17 2017-05-17 Novel tenon machining method Active CN109702830B (en)

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CN111702890A (en) * 2020-06-28 2020-09-25 程岚 Wood connecting piece tenon machining process

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