TW201819075A - Circular saw with foldable base - Google Patents

Abstract

A circular saw with foldable base includes a base, a worktable pivotally disposed on the base, and two auxiliary supporting members correspondingly and pivotally mounted to the base. The worktable has a work plane, each auxiliary supporting member has a supporting plane formed thereon. When the auxiliary supporting members are located at an extended position, the supporting planes of the auxiliary supporting members are substantially co-planar with the work plane of the worktable, such that the two auxiliary supporting members provides extra support to workpiece of large size. When the auxiliary supporting members are located at a folded position, the supporting planes are located above the worktable, and are substantially vertical relative to the work plane of the worktable for minimizing the size of the circular saw when not in use.

Description

Table saw machine with foldable base

The invention relates to a table saw machine, and in particular to a table saw machine having a foldable base.

Generally, before the sawing machine performs the sawing process on the workpiece, the workpiece is placed on the workbench and abuts against the baffle, thereby positioning the workpiece to avoid the movement of the workpiece during the machining process. In order to cooperate with workpieces of different sizes, a conventional support structure is provided in the prior art to help the workbench to provide an auxiliary support effect to the workpiece, for example, US Patent No. 5,563,323, US Patent Publication No. 2013/0160629, and US 2005/0262985, to avoid The workpiece moves during the machining process and affects the processing stability and processing accuracy. However, the support structure disclosed in the aforementioned patent/patent publication is not ideal in terms of stability and supportability, and cannot effectively reduce the volume when not in use. Therefore, it is not convenient for the user to store.

The main object of the present invention is to provide a foldable base for a table saw machine, which can be folded to reduce the volume when not in use, thereby achieving the effect of convenient collection, and the support area of the workpiece can be increased after deployment. To maintain good sawing stability.

In order to achieve the above object, the table saw machine of the present invention comprises a base, a table, a sawing unit and two auxiliary supports. The working table is rotatably disposed on the base and has a working plane; the sawing unit is pivoted on the working table, so that the sawing unit can rise and fall relative to the working plane of the working table; the two auxiliary supporting members respectively have A supporting plane, the two auxiliary supporting members are oppositely disposed on a periphery of the base, so that the two auxiliary supporting members can be moved between a deployed position and a folded position relative to the working table.

It can be seen from the above that when the two auxiliary supporting members are located in the deployed position, a predetermined distance is maintained between the supporting planes of the two auxiliary supporting members and the working plane of the working table, and the supporting planes of the two auxiliary supporting members and the working The working planes of the table are coplanar, and the two auxiliary supporting members can help the working table to provide support for the large-sized workpiece. When the two auxiliary supporting members are located at the folding position, the supporting of the two auxiliary supporting members The plane is located above the workbench, and the support planes of the two auxiliary supports are perpendicular to the working plane of the workbench. At this time, the width of the machine can be reduced to achieve the effect of reducing the volume, thereby facilitating the user to store and release.

In the present invention, the opposite sides of the circumference of the base respectively have a first pivoting portion, and each of the auxiliary supporting members has an inner wing and an outer wing, and the outer wing has the supporting plane. The two ends of the inner wing have a second pivoting portion and a third pivoting portion, and the second pivoting portion is pivotally connected to the first pivoting portion of the base, and one end of the outer wing has a first a fourth pivoting portion pivotally connected to the third pivoting portion of the inner wing, wherein: the first pivoting portion of the base has a first abutting surface, and the second inner wing The pivoting portion has a second abutting surface, and when the two auxiliary supporting members are located at the folding position, the second abutting surface of the inner wing abuts against the first abutting surface of the base, so that the inner wing The plate can be positioned. When the two auxiliary supports are in the deployed position, the inner wing abuts against the first pivoting portion of the base by a positioning member, so that the inner wing can be positioned. In addition, the third pivoting portion of the inner wing has a third abutting surface, and the fourth pivoting portion of the outer wing has a fourth abutting surface, when the two auxiliary supporting members are located at the deployed position and the When the position is folded, the fourth abutting surface of the outer wing abuts against the third abutting surface of the inner wing, so that the outer wing can be positioned.

The detailed construction, features, assembly or use of the table saw machine provided by the present invention will be described in the detailed description of the subsequent embodiments. However, it should be understood by those of ordinary skill in the art that the present invention is not limited by the scope of the invention.

The technical contents and features of the present invention will be described in detail below with reference to the preferred embodiments and the accompanying drawings, which are referred to as "before", "after", "left", "right", "upper" Directional descriptions such as "down", "top" and "bottom" are used to describe the terminology based on the normal direction of use, and are not intended to limit the scope of the claim.

Referring to Figures 1 and 2, the table saw machine 10 of the present invention includes a base 20, a table 30, a sawing unit 40, and two auxiliary supports 50.

The left and right opposite sides of the base 20 respectively have a first pivoting portion 21 , and each of the first pivoting portions 21 has a first abutting surface 22 .

The table 30 is rotatably disposed on the top surface of the base 20 and has a working plane 31 for carrying a workpiece (not shown).

The sawing unit 40 has a saw arm 41, a drive source 42 and a saw blade 43. One end of the saw arm 41 is pivotally disposed at the rear end of the table 30. The driving source 42 is mounted on the saw arm 41 to provide a power source. The saw blade 43 is mounted on the saw arm 41 and connected to the driving source 42 so that the saw blade 43 can be driven by the driving source 42. It is driven to rotate and can be driven by the saw arm 41 to rise and fall with respect to the work plane 31 of the table 30.

The auxiliary support member 50 has an inner wing panel 51 and an outer wing panel 52, wherein the outer wing panel 52 has a support plane 53. The two ends of the inner wing plate 51 have a second pivoting portion 54 and a third pivoting portion 55. The inner wing plate 51 is pivotally connected to the first pivoting portion 21 of the base 20 by the second pivoting portion 54. One end of the outer wing plate 52 has a fourth pivoting portion 56. The outer wing plate 52 is pivotally disposed on the third pivoting portion 55 of the inner wing plate 51 by the fourth pivoting portion 56, so that the two auxiliary supporting members 50 can be opposite. The table 30 is actuated between a deployed position P1 and a folded position P2. In addition, the second pivoting portion 54 of the inner wing 51 has a second abutting surface 542, and the third pivoting portion 55 of the inner wing 51 has a third abutting surface 552, and the fourth pivot of the outer wing 52 The connecting portion 56 has a fourth abutting surface 562. The auxiliary supporting member 50 further has a positioning member 57. The positioning member 57 is horizontally disposed on the second pivoting portion 54 of the inner wing 51.

As can be seen from the above, when the two auxiliary support members 50 are located at the deployment position P1 as shown in FIG. 2, the support planes 53 of the outer support plates 50 of the two auxiliary support members 50 and the work plane 31 of the table 30 are maintained with a predetermined reservation. The distance between the working plane and the working plane 31 of the worktable 30 is in a coplanar relationship. At this time, the inner wing 51 is abutted against the first pivoting portion 21 of the base 20 by the positioning member 57 to complete the horizontal positioning. The fourth abutting surface 562 of the 52 abuts against the third abutting surface 552 of the inner wing 51 to complete the horizontal positioning, so that the two auxiliary supporting members 50 can help the working table 30 to be large by the outer wing 52. Dimensional workpieces provide support.

When the two auxiliary support members 50 are to be folded, the two outer flaps 52 are first pivoted 90 degrees in the direction of the table 30. As shown in FIG. 3, the support plane 53 of the outer flap 52 is perpendicular to the table 30. The working plane 31 is then pivoted 90 degrees in the direction of the table 30 so that the second abutting surface 542 of the two inner flaps 51 abuts against the first abutting surface 22 of the base 20. The vertical positioning of the two inner flaps 51 is completed, and then the outer flaps 52 are pivoted 90 degrees away from the table 30, so that the fourth abutting faces 562 of the outer flaps 52 abut against the inner flaps 51. The third abutment surface 552 completes the vertical positioning of the two outer wings 52, and the two auxiliary supports 50 are located at the folding position P2. When the two auxiliary support members 50 are located at the folding position P2 as shown in FIGS. 4 and 5, the support planes 53 of the outer flaps 52 of the two auxiliary support members 50 are located above the table 30 and toward the table 30. At the same time, it maintains a perpendicular relationship with the working plane 31 of the workbench 30, so that the width of the machine can be effectively reduced after the folding.

In summary, the table saw machine 10 of the present invention can achieve the effect of increasing the support area after the two auxiliary support members 50 are unfolded, and the volume of the auxiliary support members 50 can be reduced to reduce the convenience of storage. .

10‧‧‧Table saw machine
20‧‧‧Base
21‧‧‧First pivotal
22‧‧‧First Abutment
30‧‧‧Workbench
31‧‧‧Working plane
40‧‧‧ sawing unit
41‧‧‧Saw arm
42‧‧‧ drive source
43‧‧‧Saw blade
50‧‧‧Auxiliary support
51‧‧‧Inner wing
52‧‧‧Outer wing
53‧‧‧Support plane
54‧‧‧Second pivotal
542‧‧‧Second abutment
55‧‧‧The third pivotal part
56‧‧‧fourth pivotal
562‧‧‧fourth abutment
57‧‧‧ Positioning parts
P1‧‧‧Expanded position
P2‧‧‧ folding position

Fig. 1 is a perspective view showing the appearance of a table saw according to the present invention, mainly showing that the auxiliary support member is in the deployed position. Figure 2 is a front elevational view of the table saw machine of the present invention omitting the sawing unit, mainly showing the auxiliary support member in the deployed position. Fig. 3 is a perspective view showing the appearance of the table sawing machine omitting the sawing unit of the present invention, mainly showing the state in which the outer wing plate is bent relative to the inner wing plate. . Fig. 4 is a perspective view showing the appearance of the table sawing machine omitting the sawing unit of the present invention, mainly showing that the auxiliary supporting member is located at the folding position. Figure 5 is a front elevational view of the table saw machine of the present invention omitting the sawing unit, mainly showing the auxiliary support member in the folded position.

Claims (6)

A table saw machine comprising: a base; a work platform pivoted on the base and having a working plane; a sawing unit pivotally mounted on the worktable such that the sawing unit can work relative to the workbench And the two auxiliary support members respectively have a support plane, and the two auxiliary support members are oppositely disposed on the periphery of the base, so that the two auxiliary support members can be in a deployed position relative to the work platform. Actuating between the folding positions, when the two auxiliary supporting members are in the deployed position, the supporting planes of the two auxiliary supporting members are kept at a predetermined distance from the working plane of the working table, and the supporting planes of the two auxiliary supporting members are The working planes of the working table are coplanar. When the two auxiliary supporting members are located at the folding position, the supporting planes of the two auxiliary supporting members are located above the working table, and the supporting planes of the two auxiliary supporting members are perpendicular The working plane of the workbench. The table saw machine of claim 1, wherein the opposite sides of the base respectively have a first pivoting portion, and each of the auxiliary supporting members has an inner wing and an outer wing, and the two ends of the inner wing Each has a second pivoting portion and a third pivoting portion. The second pivoting portion is pivotally connected to the first pivoting portion of the base, and one end of the outer wing has a fourth pivoting portion. The four pivoting portions are pivotally connected to the third pivoting portion of the inner wing panel; the outer wing panel has the supporting plane. The table saw machine of claim 2, wherein the first pivoting portion of the base has a first abutting surface, and the second pivoting portion of the inner wing has a second abutting surface, When the support member is in the folded position, the second abutting surface of the inner wing abuts against the first abutting surface of the base. The table saw machine of claim 2, wherein the third pivoting portion of the inner wing has a third abutting surface, and the fourth pivoting portion of the outer wing has a fourth abutting surface. When the two auxiliary supports are in the deployed position and the folded position, the fourth abutting surface of the outer wing abuts against the third abutting surface of the inner wing. The table saw machine of claim 2, wherein each of the auxiliary support members further has a positioning member, the positioning member is horizontally disposed on the second pivoting portion of the inner wing plate, and the auxiliary support members are located at the second pivoting portion. In the position, the ends of the two positioning members respectively abut against the first pivoting portion of the base. The table saw according to claim 1, wherein when the two auxiliary supports are located at the folding position, the supporting planes of the two auxiliary supports face the table.