TWI736187B - Woodworking saw blade locking structure - Google Patents

Abstract

This creation is to provide a woodworking saw blade locking structure. This creation is equipped with a woodworking saw blade locking module with a plurality of washers and two saw blades that transmit power. The modular structure formed is convenient for rapid assembly and large Speed up work efficiency, and because of the modularization of the saw blade configuration, the relative position is fixed accurately. The final tightening requires only one hand to drive the hex wrench to tighten, no need to use both hands to drive the loosening or tightening of the bolts. It is applied to all sides. The multi-spindle saw blades of the planing woodworking machinery can achieve multi-axis alignment accuracy, stable saw blade structure and practical progress of speeding up the operation speed after assembly, so as to improve the overall work efficiency.

Description

Woodworking saw blade locking structure

This creation is about a woodworking saw blade locking structure, especially a multi-spindle saw blade locking structure used in four-sided planing woodworking machinery.

According to this, the four-sided planer woodworking machine is a kind of woodworking machine that can plan concave and convex shapes on the surface of the wood. The conventional four-sided planer woodworking machine is a multi-spindle set processing saw blade, as shown in Figures 1~2, including a spindle A1 with one at one end The shaft coupling section A2 is provided with a key base on the surface of the shaft coupling section A2. The key base is equipped with two parallel keys A3. The shaft coupling section A2 is provided with a first washer A4, a first saw blade A5, A second washer A6, a second saw blade A7, a third washer A8, a fourth washer A9, and a fifth washer A10. Each of the above components is provided with the parallel key A3 to provide insert card positioning. The keyway of the first saw blade A5 and the second saw blade A7 can cooperate with the spindle A1 to rotate synchronously. One end of the shaft coupling section A2 is provided with a screw lock part and a hexagon head end A13, so that the screw lock part After placing a sixth washer A11 and a fixing nut A12 in sequence, a fixing tool C1 and a driving tool B1 included in a driving tool D are used to tighten the fixing nut A12 to fix the aforementioned The shaft is placed in the first washer A4, the first saw blade A5, the second washer A6, the second saw blade A7, the third washer A8, the third washer A2 of the shaft coupling section A2 of the main shaft A1 The four washers A9 and the fifth washers A10 are positioned, and one end of the fixing tool C1 is provided with a fixing sleeve C2, the fixing sleeve C2 is sleeved and positioned on the hexagonal head end A13, and the driving tool B1 is provided with one end There is a driving sleeve B2, and the driving sleeve B2 is sleeved and positioned on the fixed nut A12, the fixing tool C1 is driven by a fixed wrench C3 to fix and limit the rotation of the hexagonal head A13 of the spindle A1, and the driving tool B1 is driven by a driving wrench B3 to tighten or flexibly Loosen the fixed nut A12 for use; however, when the conventional spindle A1 wants to replace the saw blade, you need to loosen the fixed nut A12 first, and then sequentially remove the complex numbers from the shaft joint section A2 of the spindle A1. After installation, the drive tool B1 and the fixing tool C1 need to be driven with both hands to make the fixing nut A12 tightly tighten the plural washer and saw blades. The saw blade is positioned, and finally the machine is calibrated again, so the conventional structure is extremely troublesome and inconvenient, and it is very time-consuming.

In view of the above phenomenon, the creator of this case is based on years of production experience, and then creates a wider range of practical creators.

That is, the main purpose of this creation is to provide a woodworking saw blade locking structure; the problem to be solved is that when the spindle of the conventional structure wants to replace the saw blade, it is necessary to loosen the fixing nut first, and then Unscrew the multiple washers and saw blades from the shaft joint section of the main axis in sequence, and then re-install the multiple washers and saw blades in sequence. The cap tightens the positioning of the plural washers and saw blades, and finally tries the machine calibration again, so the conventional structure is extremely troublesome, inconvenient, and time-consuming.

This creative department provides a woodworking saw blade locking structure, which includes a main shaft, one end of which axially extends a shaft group section, the shaft group section is formed with a side stop surface relative to one side of the main shaft, and an axial end surface of the shaft group section A screw fixing hole is provided in the center; a woodworking saw blade locking module includes: a shaft sleeve, a shaft through hole is axially penetrated inside the shaft sleeve, and the shaft group section of the main shaft is precisely arranged in the shaft through hole , And exposing a section of the shaft assembly section, the end of the shaft sleeve is provided with a side end edge, the side end edge is just limited to the side stop surface of the main shaft, and the outer edge of the other end of the shaft sleeve forms There is an outer screw segment, the shaft At least one side of the outer edge of the sleeve is provided with a parallel key; the plurality of washers are respectively provided with a shaft hole in the center, and at least one side of the shaft hole is provided with a key groove in the radial position, and the shaft hole corresponds to the shaft set on the shaft sleeve. And the stop limit is located at the side end edge of the shaft sleeve, and the keyway of each washer exactly corresponds to the parallel key of the shaft sleeve for mutual fitting configuration; at least two saw blades are provided with a fixing hole in the center. , At least one side of each fixing hole is provided with a key arrangement groove, each fixing hole corresponds to the shaft set in the shaft sleeve, each of the saw blades is clamped and forced against the alternate position of each of the washers , The key arrangement groove of each saw blade exactly corresponds to the parallel key of the shaft sleeve for mutual fitting arrangement; an axial fixing nut includes an inner screw hole, and the inner screw hole is assembled in the guide screw The outer screw section of the shaft sleeve is pressed against the plurality of washers and each of the saw blades to be positioned on the shaft sleeve; The section of the shaft assembly section is exposed, the peripheral edge of the sleeve mouth is blocked by the end surface limit of the axial fixing nut, and a combined hole is formed in the center of the sleeve; a fastening screw is provided with a head end and A screw assembly part, one end of the screw assembly part is formed with a screw assembly end, the screw assembly end is threaded and fastened to the assembly hole of the sleeve and the screw hole of the main shaft, the fastening screw The head end and the position of the screw assembly portion are radially sectioned with a slit, and the relative circumferential position of the head end and the screw assembly portion forms a bevel guide end, and the combined hole of the sleeve is formed corresponding to the bevel guide end There is a guide inclined surface that can be matched and arranged, the head end is radially provided with a guide screw hole relative to one side of the slot, and the guide screw hole can be used for the guide screw to be assembled with a fastening stud. One end is provided with a driving end, and the cut-out groove of the head end defines an urging surface corresponding to the other side wall surface of the guide screw hole, so that the fastening stud advances against the urging surface by driving the screw lock, and The two sides of the slit are in an open state, so that the peripheral edge of the inclined guide end of the fastening screw is pressed tightly against the inclined guide surface of the sleeve.

In this way, in this creation, the woodworking saw blade locking module is equipped with the plurality of washer and the two saw blades that transmit power, and the modular structure is formed to facilitate rapid assembly and greatly increase Fast working efficiency, and because of the modularization of the saw blade configuration, the relative position is fixed accurately. The final tightening requires only one hand to drive the hex wrench to tighten, no need to use both hands to drive the loosening or tightening of the bolts. It is used on all sides. The multi-spindle saw blades of the planing woodworking machinery can achieve multi-axis alignment accuracy, stable saw blade structure and practical progress of speeding up the operation speed after assembly, so as to improve the overall work efficiency.

[Learning part]

A1: Spindle

A2: Shaft joint section

A3: Parallel key

A4: First China Division

A5: The first saw blade

A6: Second Washer

A7: Second saw blade

A8: Third Washer

A9: Fourth Washer

A10: Fifth Washer

A11: Sixth China Division

A12: Fixed nut

A13: Hexagon head end

B1: Drive tool

B2: drive sleeve

B3: Drive wrench

C1: Fixing tool

C2: fixed sleeve

C3: fixed wrench

D: Drive tool

[This creation part]

1: Spindle

2: side block surface

3: Shaft group segment

4: Screw hole

A: Woodworking saw blade locking module

10: Shaft sleeve

11: Side edge

12: Shaft through hole

13: Outer screw section

14: key seat

15: Locking hole

20: Parallel key

21: Piercing

22: Bolt

30: First China Division

31: The first shaft hole

32: The first keyway

30': Second Washer

31': second shaft hole

32': second keyway

40: The first saw blade

41: The first fixing hole

42: The first key configuration slot

40': second saw blade

41': second fixing hole

42': second key configuration slot

50: Third China Division

51: third axis hole

52: third keyway

50': Fourth Washer

51': The fourth axis hole

52': The fourth keyway

60: Fifth Washer

61: Fifth axis hole

62: Fifth keyway

70: Axial fixing nut

71: inner screw hole

80: Sets

81: Combination hole

82: Guide slope

83: Sleeve

90: Fastening screw

91: head end

92: I'm Sorry

93: cut groove

94: Guide screw hole

95: Bevel end

96: snail group

97: Screw group end

98: Fasten the stud

99: drive end

[Figure 1] is a combined perspective view of the conventional saw blade locking structure.

[Figure 2] is a partial sectional view of the conventional saw blade locking structure.

[Figure 3] is a combined three-dimensional view of the woodworking saw blade locking structure of this creation.

[Figure 4] is an exploded perspective view of this creation's woodworking saw blade locking module.

[Figure 5] is a three-dimensional assembly diagram of the woodworking saw blade locking module of this creation.

[Figure 6] is a three-dimensional view of the fastening screw of this creation.

[Figure 7] is a cross-sectional view of the fastening screw of this creation.

[Figure 8] is a three-dimensional exploded view of the creative spindle and the woodworking saw blade locking module.

[Figure 9] is a combined cross-sectional view of the creative spindle and the woodworking saw blade locking module.

[Figure 10] is a partial enlarged combined cross-sectional view of this creation.

Please refer to Figures 3 to 10, which are the preferred embodiments of the woodworking saw blade locking structure of this invention, which are mainly applied to the mutual locking structure of the main shaft and the saw blade of a four-sided planer woodworking machine. However, these embodiments are only for The purpose of explanation is not restricted by this structure in patent applications; including:

A main shaft 1, one end of which axially extends a shaft group section 3, the shaft group section 3 is formed with a side stop surface 2 opposite to the main shaft 1 side, and the center of one axial end surface of the shaft group section 3 is provided with a screw fixing hole 4 ；

A woodworking saw blade locking module A, including:

A shaft sleeve 10, a shaft through hole 12 axially penetrates the inside of the shaft sleeve 10, the shaft assembly section 3 of the main shaft 1 is precisely arranged in the shaft through hole 12, and a section of the shaft assembly section 3 is exposed The end of the shaft sleeve 10 is provided with a side end edge 11, the side end edge 11 is just limited to the side stop surface 2 of the main shaft 1, and the outer edge of the other end of the shaft sleeve 10 is formed with an outer screw section 13 A parallel key 20 is provided on both sides of the outer edge of the shaft sleeve 10, wherein the relative position of the shaft sleeve 10 and the parallel key 20 is recessed with a key seat 14, and the key seat 14 is provided with a plurality of locking holes at predetermined positions 15. The parallel key 20 is provided with a perforation 21 corresponding to each of the locking holes 15, so that a bolt 22 corresponds to the locking hole 15 and the perforation 21 is screwed and locked together; wherein the parallel key 20 is in this embodiment There are two sets and are respectively arranged at the radial positions on both sides of the shaft sleeve 10;

Plural washers, each has a shaft hole in the center, and a key groove is provided on both sides of the shaft hole in the radial position. The shaft hole corresponds to the shaft assembly on the shaft sleeve 10, and the stop is located at On the side edge 11, the key groove of each washer exactly corresponds to the parallel key 20 of the shaft sleeve 10 for mutual fitting configuration;

The plural washer includes a first washer 30, a second washer 30', a third washer 50, a fourth washer 50', and a fifth washer 60 are arranged in the sleeve in sequence Tube 10;

The first washer 30 is provided with a first shaft hole 31 in the center, and a first keyway 32 is provided at radial positions on both sides of the first shaft hole 31; the second washer 30' is provided with a first shaft hole in the center. Two shaft holes 31', the second shaft hole 31' is provided with a second keyway 32' at radial positions on both sides; the third washer 50 has a third shaft hole 51 through the center, and the third shaft hole 51 A third keyway 52 is provided at radial positions on both sides; the fourth washer 50' has a fourth shaft hole 51' in the center, and a fourth keyway is provided at radial positions on both sides of the fourth shaft hole 51' 52'; The fifth washer 60 has a fifth shaft hole 61 through the center, and a fifth keyway 62 is provided at radial positions on both sides of the fifth shaft hole 61; wherein the first washer 30 and the second magnificent The division 30' has a thinner thickness, and the third washer 50 and the fourth washer 50' have a thicker thickness;

Two saw blades are provided with a fixed hole in the center, and a key arrangement slot is provided at the radial position on both sides of each fixed hole. Forced against the alternate positions of the washers, the key arrangement groove of each saw blade exactly corresponds to the parallel key 20 of the shaft sleeve 10 for mutual fitting arrangement; the two saw blades respectively include a first saw blade 40 and a second saw blade 40', wherein the first saw blade 40 has a first fixing hole 41 through the center, and a first key arrangement groove 42 is provided at radial positions on both sides of the first fixing hole 41; The second saw blade 40' is centrally provided with a second fixing hole 41', and a second key arrangement groove 42' is provided at radial positions on both sides of the second fixing hole 41', wherein the first saw blade 40 is It is clamped tightly at the alternate position of the first washer 30 and the second washer 30', and the second saw blade 40' is clamped tightly on the second washer 30' and the third washer 50 alternate positions;

An axial fixing nut 70 includes an inner screw hole 71. The inner screw hole 71 is a guide screw assembled to the outer screw section 13 of the shaft sleeve 10, and is pressed against the plurality of washers and each of the saw blades. The shaft sleeve 10 is positioned;

One end of the set piece 80 is formed with a set opening 83 for covering the exposed section of the shaft assembly section 3 of the main shaft 1, and the peripheral edge of the sleeve opening 83 is blocked by the axial fixing screw The end surface of the cap 70 is limited, and a combined hole 81 is formed in the center of the sleeve 80;

A fastening screw 90 is provided with a head end 91 and a screw assembly portion 96. One end of the screw assembly portion 96 is formed with a screw assembly end 97, and the screw assembly end 97 is threaded and fastened to the sleeve 80. The combination hole 81 and the screw hole 4 of the spindle 1, wherein the head end 91 and the screw assembly portion 96 of the fastening screw 90 are radially sectioned with a slit 93, and the head end 91 and the screw The relative circumferential position of the group part 96 forms a guide slope At the end 95, the combined hole 81 of the sleeve 80 corresponds to the bevel guide end 95 to form a guide bevel surface 82 that can be matched, and the head end 91 is radially provided with a guide screw on one side of the slot 93. The guide screw hole 94 can be used for the guide screw assembly to be provided with a fastening stud 98. One end of the fastening stud 98 is provided with a driving end 99. The driving end 99 is in the form of a hexagonal screw hole. Driven by a wrench, the cut-out groove 93 of the head end 91 corresponds to the other side wall surface of the guide screw hole 94 to define an abutting surface 92, so that the fastening stud 98 can advance against the forcing by driving the screw lock. The abutting surface 92 makes the two sides of the slit 93 open, so that the peripheral edge of the inclined guide end 95 of the fastening screw 90 is pressed against the inclined guide surface 82 of the sleeve 80.

When the user wants to assemble the woodworking saw blade locking module A on the shaft assembly section 3 of the main shaft 1, the plurality of washers and the two saw blades can be separately shafted behind the shaft sleeve 10 in advance. The axial fixing nut 70 is then used to fix the plurality of washers and the two saw blades to position them, and then the shaft through hole 12 of the shaft sleeve 10 is arranged in the shaft assembly section 3 of the main shaft 1 , And expose a section of the shaft assembly section 3, and after the sleeve 80 is placed on the front end of the shaft assembly section 3 of the main shaft 1, the screw assembly end 97 of the fastening screw 90 is paired The hole 81 and the screw hole 4 of the shaft assembly 3 should pass through the screw lock to fix the position. After positioning, the fastening stud 98 is driven by the one-handed operation of the hexagon wrench, and the screw lock is driven to advance against Press against the pressing surface 92, and make the two sides of the slit 93 show a stretched state, so that the peripheral edge of the inclined guide end 95 of the fastening screw 90 is pressed tightly against the inclined guide surface 82 of the sleeve 80 , In order to achieve a double tightening state.

In this way, in this creation, the woodworking saw blade locking module A is equipped with the plural washer and the two saw blades that transmit power, and the structure of the module structure is convenient for rapid assembly, which can greatly speed up the work efficiency, and Due to the modularization of the saw blade configuration, the relative position is fixed accurately. The final tightening requires only one hand to drive the hex wrench to tighten, and no need to use both hands to loosen or tighten the bolts 22. It is used in four-sided planing woodwork. After the mechanical multi-spindle saw blade is assembled, it can achieve the purpose of multi-axis alignment accuracy, stable saw blade structure, and practical progress of speeding up the operation speed, so as to improve the overall work efficiency.

This creation can improve the convenience and usability. It is a deeply practical and progressive design. However, the same products and publications have not been disclosed, so that the requirements of the invention patent application are met, and the application is filed in accordance with the law.

1: Spindle

2: side block surface

3: Shaft group segment

4: Screw hole

A: Woodworking saw blade locking module

10: Shaft sleeve

12: Shaft through hole

40: The first saw blade

40': second saw blade

50: Third China Division

50': Fourth Washer

60: Fifth Washer

70: Axial fixing nut

80: Sets

81: Combination hole

82: Guide slope

83: Sleeve

90: Fastening screw

91: head end

93: cut groove

95: Bevel end

96: snail group

97: Screw group end

98: Fasten the stud

Claims (4)

A woodworking saw blade locking structure includes: A main shaft, one end of which is axially extended with a shaft group section, the shaft group section is formed with a side stop surface relative to one side of the main shaft, and a screw fixing hole is provided in the center of an axial end surface of the shaft group section; A woodworking saw blade locking module, including: A shaft sleeve, a shaft through hole axially penetrates the inside of the shaft sleeve, the shaft group section of the main shaft is arranged exactly in the shaft through hole, and a section of the shaft group section is exposed, and the end of the shaft sleeve is provided There is a side end edge, the side end edge is just limited to the side stop surface of the main shaft, the outer edge of the other end of the shaft sleeve is formed with an outer thread segment, and at least one side of the outer edge of the shaft sleeve is provided with a parallel key; Plural washers each have a shaft hole in the center, and a key groove is provided on at least one side of the shaft hole in the radial position. The shaft hole corresponds to the shaft assembly on the shaft sleeve, and the stop is located at the side end of the shaft sleeve Rim, the keyway of each washer exactly corresponds to the parallel key of the shaft sleeve for mutual fitting configuration; At least two saw blades are provided with a fixed hole in the center, and each fixed hole is provided with a key arrangement groove at at least one side of the radial position. Each of the fixed holes corresponds to the shaft group and the shaft sleeve. And forcing against the alternate positions of the washers, the key arrangement groove of each saw blade exactly corresponds to the parallel key of the shaft sleeve for mutual fitting arrangement; An axial fixing nut includes an inner screw hole, the inner screw hole is a guide screw assembled on the outer screw section of the shaft sleeve, and is pressed against the plurality of washers and each saw blade to be positioned on the shaft sleeve ； A set of parts, one end is formed with a set of opening, the opening is for covering the section exposed by the shaft assembly section of the main shaft, and the periphery of the opening is blocked by the end surface limit of the axial fixing nut , A combined hole is formed in the center of the sleeve; A fastening screw is provided with a head end and a screw assembly part. One end of the screw assembly part is formed with a screw assembly end. For screw fixing holes, the head end of the fastening screw and the position of the screw assembly portion are radially sectioned with a section groove, and the relative circumferential position of the head end and the screw assembly portion forms a bevel guide end, the sleeve The combined hole of the set piece forms a guide bevel surface corresponding to the bevel guide end. The head end is radially provided with a guide screw hole relative to one side of the slot. The guide screw hole can be used for the guide screw assembly. A fastening stud is provided. One end of the fastening stud is provided with a driving end. The cut-out groove of the head end defines an urging surface corresponding to the other side wall of the guide screw hole, so that the fastening stud can be rotated by driving The screw lock advances and abuts against the pressing surface, and makes the two sides of the cut-out groove show an open state, so that the peripheral edge of the inclined guide end of the fastening screw is pressed tightly against the inclined guide surface of the sleeve. The woodworking saw blade locking structure according to claim 1, wherein the plural washer includes a first washer, a second washer, a third washer, a fourth washer, and a fifth washer The sequence shaft is set in the shaft sleeve, and the at least two saw blades respectively include a first saw blade and a second saw blade; wherein the first washer has a first shaft hole in the center, and the first shaft hole At least one side of the radial position is provided with a first key groove; the second washer is provided with a second shaft hole in the center, and at least one side of the second shaft hole is provided with a second key groove; the third washer is A third shaft hole penetrates through the center, and a third key groove is provided in at least one radial position of the third shaft hole; A fourth keyway is provided in the forward position; the fifth washer is provided with a fifth shaft hole in the center, and a fifth keyway is provided in at least one radial position of the fifth shaft hole; and the first saw blade is a central through hole There is a first fixing hole, at least one side radial position of the first fixing hole is provided with a first key arrangement slot; and the second saw blade is provided with a second fixing hole through the center, and the second fixing hole has at least one side diameter. There is a second key configuration to the position Groove; wherein the first washer and the second washer are in a thinner thickness form, and the third washer and the fourth washer are in a thicker thickness form; wherein the first saw blade is clamped It is set tightly at the alternate position of the first washer and the second washer, and the second saw blade is clamped tightly on the alternate position of the second washer and the third washer. The woodworking saw blade locking structure according to claim 1, wherein the relative position of the shaft sleeve and the parallel key is recessed with a key seat, the predetermined position of the key seat is provided with a plurality of locking holes, and the parallel key corresponds to each of the The locking hole is provided with a perforation, so that a bolt is used to correspond to the locking hole and the perforation is relatively threaded to lock the combination. The woodworking saw blade locking structure according to claim 1, wherein the parallel keys can be two sets and are respectively arranged at radial positions on both sides of the shaft sleeve, so that the plurality of washers corresponds to the two shaft sleeves. The parallel key is also provided with two key grooves, and the at least two saw blades corresponding to the two parallel keys of the shaft sleeve are also provided with two key arrangement grooves.

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