CN221021393U - Bidirectional adjusting mechanism for pre-cutting saw blade - Google Patents
Bidirectional adjusting mechanism for pre-cutting saw blade Download PDFInfo
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- CN221021393U CN221021393U CN202322740613.6U CN202322740613U CN221021393U CN 221021393 U CN221021393 U CN 221021393U CN 202322740613 U CN202322740613 U CN 202322740613U CN 221021393 U CN221021393 U CN 221021393U
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- saw blade
- fixed shaft
- length direction
- sleeve
- wedge block
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- 230000002457 bidirectional effect Effects 0.000 title description 2
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a bi-directional adjusting mechanism of a pre-cutting saw blade, which is characterized by comprising a rack, wherein the rack is arranged on a woodworking bench saw; the saw blade mounting seat is used for mounting a pre-cutting saw blade; the fixed shaft is fixedly connected to the rack, the axial direction of the fixed shaft is arranged along the adjustment direction of the saw blade, the fixed shaft penetrates through the saw blade mounting seat, and the saw blade mounting seat can slide on the fixed shaft along the length direction of the fixed shaft; the rotary wedge block is rotationally connected to the fixed shaft; a sliding wedge, the contact surfaces of the rotating wedge and the sliding wedge being provided as inclined surfaces inclined relative to the axis of the fixed shaft; the elastic piece and the sliding wedge block are respectively attached to two sides of the saw blade mounting seat, and the elastic piece applies elastic force towards the sliding wedge block to the saw blade mounting seat; an adjustment mechanism; the position of the saw blade can be adjusted only by the adjusting mechanism, so that the adjustment operation is convenient and quick.
Description
Technical Field
The utility model relates to the technical field of saw blade adjustment, in particular to a bi-directional adjustment mechanism for a pre-cutting saw blade.
Background
A woodworking table saw is a common machine in woodworking machines and is a device that pushes wood back and forth on a table to rotate a saw blade to cut it.
The woodworking bench saw is provided with two saw blades. A small saw blade is used for grooving, which we call the pre-cut saw blade. One large blade is used for cutting, which we call the main blade. The axial position of the main saw blade is generally fixed, and the axial position of the pre-cutting saw blade needs to have a certain adjustment amount so as to be suitable for different cutting situations.
The existing adjusting structure is complex in adjusting the position of the pre-cutting saw blade, so that the adjusting process is complicated and difficult, and a plurality of inconveniences are brought to a user.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a bi-directional adjusting mechanism for a pre-cutting saw blade, which can realize the adjustment of the position of the saw blade only through an adjusting mechanism, so that the adjustment operation is convenient and quick.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the bi-directional pre-cutting saw blade adjusting mechanism comprises a rack, wherein the rack is arranged on a woodworking bench saw;
the saw blade mounting seat is used for mounting a pre-cutting saw blade;
the fixed shaft is fixedly connected to the rack, the axial direction of the fixed shaft is arranged along the adjustment direction of the saw blade, the fixed shaft penetrates through the saw blade mounting seat, and the saw blade mounting seat can slide on the fixed shaft along the length direction of the fixed shaft;
The rotary wedge block is rotationally connected to the fixed shaft;
A sliding wedge capable of sliding on the fixed shaft in the length direction of the fixed shaft, wherein the contact surface of the rotating wedge and the sliding wedge is an inclined surface inclined relative to the axis of the fixed shaft;
The elastic piece and the sliding wedge block are respectively attached to two sides of the saw blade mounting seat, and the elastic piece applies elastic force towards the sliding wedge block to the saw blade mounting seat;
And the adjusting mechanism is used for controlling the rotation of the rotary wedge block.
The utility model is further provided with: the sliding wedge block is provided with a first strip hole, and the length direction of the first strip hole is arranged along the length direction of the fixed shaft;
The sliding wedge block is provided with a limiting screw rod penetrating through the fixed shaft and fixed on the fixed shaft, and the limiting screw rod is located in the first strip hole.
The utility model is further provided with: the adjusting mechanism comprises a fixed seat which is fixedly connected with the frame;
the sleeve is fixedly connected to the fixed seat;
the adjusting screw is rotationally connected to the sleeve;
The sliding nut slides in the sleeve along the length direction of the adjusting screw rod, and the adjusting screw rod is in threaded fit with the adjusting nut;
And the two ends of the connecting rod are respectively connected with the sliding nut and the rotary wedge block, and the connecting rod drives the rotary wedge block to rotate through the sliding of the sliding nut.
The utility model is further provided with: the length direction of the sleeve is the same as the length direction of the adjusting screw, the adjusting screw is inserted into the sleeve, and the length direction of the adjusting screw is perpendicular to the length direction of the fixing shaft.
The utility model is further provided with: the sliding nut is arranged in the sleeve, two second strip holes are formed in two sides of the sleeve, and the length direction of each second strip hole is parallel to the length direction of the adjusting screw rod;
and two sides of the nut are fixedly connected with limiting rods respectively inserted into the two second strip holes, and the connecting rod is connected with one of the limiting rods.
The utility model is further provided with: the length direction of the two limiting rods is parallel to the length direction of the fixed shaft;
The connecting plate is provided with a third strip hole, the length direction of the third strip hole is perpendicular to the length direction of the fixed shaft, and one limiting rod penetrates through the third strip hole.
The utility model is further provided with: the fixed seat is fixedly connected with a sleeve sleeved outside the adjusting screw, the sleeve is located on one side of the fixed seat away from the sleeve, one side of the sleeve away from the fixed seat is provided with a locking sleeve which is in threaded connection with the adjusting screw, and the locking sleeve can be abutted against the sleeve.
In summary, compared with the prior art, the utility model has the following beneficial effects: the utility model can realize the adjustment of the saw blade position only by the adjusting mechanism, so that the adjustment operation is convenient and quick.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view of an embodiment embodying a spring;
fig. 4 is a cross-sectional view of an adjustment mechanism of an embodiment.
In the figure: 1. a frame; 2. a saw blade mounting seat; 21. a main body; 22. a first connection block; 23. a second connection block; 3. rotating the wedge; 4. a sliding wedge; 41. a first elongated aperture; 42. a limit screw; 5. a fixed shaft; 6. an adjusting mechanism; 61. a fixing seat; 62. adjusting a screw; 63. a sleeve; 631. a second elongated aperture; 64. a slip nut; 65. a limit rod; 66. a connecting rod; 661. a third elongated aperture; 67. a sleeve; 68. a locking sleeve; 7. an elastic member.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described in the following with reference to the accompanying drawings, and based on the embodiments of the present utility model, other similar embodiments obtained by those skilled in the art without making any inventive effort should be included in the scope of protection of the present utility model. In addition, directional words such as "upper", "lower", "left", "right", and the like, as used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the utility model.
The utility model will be further described with reference to the drawings and preferred embodiments.
Examples: the bi-directional pre-cutting saw blade adjusting mechanism comprises a frame 1, a saw blade mounting seat 2, a fixed shaft 5, a rotary wedge block 3, a sliding wedge block 4, an elastic piece 7 and an adjusting mechanism 6, wherein the frame 1 is mounted on a woodworking bench saw, the saw blade mounting seat 2 is used for mounting the pre-cutting saw blade, the fixed shaft 5 is fixedly connected to the frame 1, the rotary wedge block 3 is rotatably connected to the fixed shaft 5, the sliding wedge block 4 slides on the fixed shaft 5 along the length direction of the fixed shaft 5, the elastic piece 7 is arranged on the fixed shaft 5, and the adjusting mechanism 6 is used for controlling the rotary wedge block 3 to rotate. The axis direction of fixed axle 5 sets up along the regulation direction of saw bit, fixed axle 5 passes saw bit mount pad 2, and saw bit mount pad 2 can follow fixed axle 5 length direction on fixed axle 5 and slide realization is to the regulation of saw bit position on fixed axle 5 through saw bit mount pad 2. Specifically, the contact surfaces of the rotating wedge 3 and the sliding wedge 4 are inclined planes inclined relative to the axis of the fixed shaft 5, so that the rotating wedge 3 can push the sliding wedge 4 to slide on the fixed shaft 5 along the length direction of the fixed shaft 5 when rotating. Specifically, the elastic element 7 and the sliding wedge 4 are respectively attached to two sides of the saw blade mounting seat 2, and the elastic element 7 applies elastic force towards the sliding wedge 4 to the saw blade mounting seat 2. Under the elastic force of the elastic piece 7, the rotary wedge 3 and the sliding wedge 4 are always kept in contact, so that the sliding wedge 4 slides on the fixed shaft 5, and the saw blade mounting seat 2 can be driven to slide on the fixed shaft 5 together, and therefore the position of the saw blade is adjusted.
Specifically, the saw blade mounting seat 2 includes a main body 21 and two connecting blocks fixedly connected to one side of the main body 21, and the fixed shaft 5 passes through the two connecting blocks along the length direction thereof; the frame 1 is provided with a through hole penetrating through the frame 1, and the main body 21 penetrates through the through hole, so that the two connecting blocks are respectively located on two sides of the frame 1. The two connecting blocks are a first connecting block 22 and a second connecting block 23 respectively, and the rotary wedge block 3, the sliding wedge block 4 and the elastic piece 7 are arranged on one side of the frame 1 where the first connecting block 22 is arranged; the sliding wedge 4 and the elastic piece 7 are respectively contacted with the two sides of the first connecting block 22, and the main body 21 and the second connecting block 23 are driven to slide by pushing the sliding of the first connecting block 22 on the fixed shaft 5.
Specifically, the elastic member 7 is provided as a spring, the spring is sleeved outside the fixed shaft 5, and two ends of the spring are respectively abutted against the first connecting block 22 and the frame 1.
Specifically, the fixed shaft 5 penetrates through the rotary wedge 3, and the rotary wedge 3 rotates around the axis of the fixed shaft 5; the fixed shaft 5 penetrates the sliding wedge 4 in the direction of the axis thereof, and the sliding wedge 4 slides on the fixed shaft 5 in the longitudinal direction of the fixed shaft 5. Specifically, the sliding wedge 4 is provided with a first strip hole 41, and the length direction of the first strip hole 41 is along the length direction of the fixed shaft 5; the sliding wedge 4 is provided with a limit screw 42 penetrating the fixed shaft 5 and fixed on the fixed shaft 5, and the limit screw 42 is positioned in the first strip hole 41. The sliding wedge 4 can only slide on the fixed shaft 5 and cannot rotate around the axis of the fixed shaft 5 due to the limit of the limit screw 42. Specifically, the axial direction of the stopper screw 42 is perpendicular to the axis of the fixed shaft 5.
Specifically, the adjusting mechanism 6 includes a fixed seat 61 fixedly connected to the frame 1, a sleeve 63 fixedly connected to the fixed seat 61, an adjusting screw 62 rotatably connected to the sleeve 63, a sliding nut 64 sliding along the length direction of the adjusting screw 62 in the sleeve 63, and a connecting rod 66 connected to the sliding nut 64 and the rotating wedge 3, respectively. The sliding nut 64 is in threaded fit with the adjusting screw 62, so that the sliding nut 64 can be driven to slide through rotation of the adjusting screw 62, the connecting rod 66 connects the sliding nut 64 with the rotary wedge 3, and the sliding nut 64 can drive the rotary wedge 3 to rotate through the connecting rod 66 when sliding, so that adjustment can be completed only by rotating the adjusting screw 62 when adjusting the position of the saw blade, and the adjustment operation is convenient and quick.
Specifically, the length direction of the sleeve 63 is the same as the length direction of the adjusting screw 62, the adjusting screw 62 is inserted into the sleeve 63, and the length direction of the adjusting screw 62 is perpendicular to the length direction of the fixed shaft 5. The sliding nut 64 is arranged in the sleeve 63, two second strip holes 631 are formed in two sides of the sleeve 63, the length direction of the second strip holes 631 is parallel to the length direction of the adjusting screw 62, two sides of the nut are fixedly connected with limiting rods 65 respectively inserted into the two second strip holes 631, and the connecting rod 66 is connected with one of the limiting rods 65; through the setting of gag lever post 65 for slip nut 64 can not follow adjusting screw 62 and rotate, thereby can slide in sleeve 63 smoothly when adjusting screw 62 rotates.
Specifically, the length directions of the two limiting rods 65 are the same and parallel to the length direction of the fixed shaft 5, a third long-strip hole 661 is arranged on the connecting plate, the length direction of the third long-strip hole 661 is perpendicular to the length direction of the fixed shaft 5, and one limiting rod 65 penetrates through the third long-strip hole 661. The limiting rod 65 can rotate and slide relatively with the connecting rod 66 in the third long strip hole 661, so that the limiting rod 65 can push the limiting rod 65 to drive the rotary wedge 3 to rotate when the sliding nut 64 slides.
Specifically, a sleeve 67 sleeved outside the adjusting screw 62 is fixedly connected to the fixing seat 61, the sleeve 67 is located on one side, away from the sleeve 63, of the fixing seat 61, a locking sleeve 68 in threaded connection with the adjusting screw 62 is arranged on one side, away from the fixing seat 61, of the sleeve 67, and the locking sleeve 68 can be abutted against the sleeve 67; when the locking sleeve 68 abuts against the sleeve 67, the adjusting screw 62 cannot rotate, so that the position of the saw blade is locked; when the lock sleeve 68 is disengaged from the sleeve 67, the adjustment screw 62 can be rotated to adjust the position of the saw blade.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides a two-way guiding mechanism of precutting saw bit which characterized in that: comprises a frame (1), wherein the frame (1) is arranged on a woodworking bench saw;
the saw blade mounting seat (2), the saw blade mounting seat (2) is used for mounting the pre-cutting saw blade;
The fixed shaft (5), the fixed shaft (5) is fixedly connected to the frame (1), the axis direction of the fixed shaft (5) is set along the adjustment direction of the saw blade, the fixed shaft (5) penetrates through the saw blade mounting seat (2), and the saw blade mounting seat (2) can slide on the fixed shaft (5) along the length direction of the fixed shaft (5);
the rotary wedge block (3), the rotary wedge block (3) is rotatably connected to the fixed shaft (5);
A sliding wedge block (4), wherein the sliding wedge block (4) can slide on the fixed shaft (5) along the length direction of the fixed shaft (5), and the contact surface of the rotating wedge block (3) and the sliding wedge block (4) is an inclined surface inclined relative to the axis of the fixed shaft (5);
The elastic piece (7), the elastic piece (7) and the sliding wedge block (4) are respectively attached to two sides of the saw blade mounting seat (2), and the elastic piece (7) applies elastic force towards the sliding wedge block (4) to the saw blade mounting seat (2);
And an adjusting mechanism (6), wherein the adjusting mechanism (6) is used for controlling the rotation of the rotary wedge block (3).
2. The bi-directional adjustment mechanism of a pre-cut saw blade of claim 1, wherein: the sliding wedge block (4) is provided with a first strip hole (41), and the length direction of the first strip hole (41) is arranged along the length direction of the fixed shaft (5);
The sliding wedge block (4) is provided with a limiting screw rod (42) penetrating through the fixed shaft (5) and fixed on the fixed shaft (5), and the limiting screw rod (42) is located in the first strip hole (41).
3. The bi-directional adjustment mechanism of a pre-cut saw blade of claim 2, wherein: the adjusting mechanism (6) comprises a fixed seat (61), and the fixed seat (61) is fixedly connected with the frame (1);
the sleeve (63) is fixedly connected to the fixed seat (61);
an adjusting screw (62), wherein the adjusting screw (62) is rotatably connected to the sleeve (63);
A slip nut (64), the slip nut (64) slides in the sleeve (63) along the length direction of the adjusting screw (62), and the adjusting screw (62) is in threaded fit with the adjusting nut;
And the two ends of the connecting rod (66) are respectively connected with the sliding nut (64) and the rotary wedge block (3), and the sliding nut (64) slides the connecting rod (66) to drive the rotary wedge block (3) to rotate.
4. A bi-directional adjustment mechanism for a pre-cut saw blade according to claim 3, wherein: the length direction of the sleeve (63) is the same as the length direction of the adjusting screw (62), the adjusting screw (62) is inserted into the sleeve (63), and the length direction of the adjusting screw (62) is perpendicular to the length direction of the fixed shaft (5).
5. The bi-directional adjustment mechanism of a pre-cut saw blade of claim 4, wherein: the sliding nut (64) is arranged in the sleeve (63), two second strip holes (631) are formed in two sides of the sleeve (63), and the length direction of the second strip holes (631) is parallel to the length direction of the adjusting screw (62);
And two sides of the nut are fixedly connected with limiting rods (65) which are respectively inserted into the two second strip holes (631), and the connecting rod (66) is connected with one limiting rod (65).
6. The bi-directional adjustment mechanism of a pre-cut saw blade of claim 5, wherein: the length direction of the two limiting rods (65) is parallel to the length direction of the fixed shaft (5);
The connecting plate is provided with a third strip hole (661), the length direction of the third strip hole (661) is perpendicular to the length direction of the fixed shaft (5), and one limiting rod (65) penetrates through the third strip hole (661).
7. The bi-directional adjustment mechanism of a pre-cut saw blade of claim 6, wherein: the fixing seat (61) is fixedly connected with a sleeve (67) sleeved outside the adjusting screw (62), the sleeve (67) is located on one side, away from the sleeve (63), of the fixing seat (61), a locking sleeve (68) in threaded connection on the adjusting screw (62) is arranged on one side, away from the fixing seat (61), of the sleeve (67), and the locking sleeve (68) can be abutted to the sleeve (67).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322740613.6U CN221021393U (en) | 2023-10-12 | 2023-10-12 | Bidirectional adjusting mechanism for pre-cutting saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322740613.6U CN221021393U (en) | 2023-10-12 | 2023-10-12 | Bidirectional adjusting mechanism for pre-cutting saw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221021393U true CN221021393U (en) | 2024-05-28 |
Family
ID=91175478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322740613.6U Active CN221021393U (en) | 2023-10-12 | 2023-10-12 | Bidirectional adjusting mechanism for pre-cutting saw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221021393U (en) |
-
2023
- 2023-10-12 CN CN202322740613.6U patent/CN221021393U/en active Active
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