CN210850617U

CN210850617U - Bench saw

Info

Publication number: CN210850617U
Application number: CN201921551704.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Chevron HK Ltd
Current assignee: Nanjing Chervon Industry Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-26
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a bench saw belongs to cutting technical field. The table saw comprises a workbench, a cutting driving device arranged at the bottom of the workbench, a cooling fan and a saw blade, wherein the output end of the cutting driving device is sequentially connected with the cooling fan and the saw blade; the blowing opening of the blowing device is positioned below the workbench, so that the cutting scraps are blocked below the workbench. The utility model discloses be provided with and be used for the gas blowing device that blows off the smear metal on the saw bit, and gas blowing device's gas blow mouth is located the below of workstation for smear metal on the saw bit is by the separation in the below of workstation, can prevent on the smear metal flies out the mesa along with the saw bit tangent line.

Description

Bench saw

Technical Field

The utility model relates to a cutting technical field especially relates to a bench saw.

Background

A table saw is a cutting device that is commonly used to cut wood, such as offal from a furniture factory, and the like. When the table saw is cutting wood, since the saw blade of the table saw is cutting at a high rotation speed, the wood chips are scattered.

Because the saw blade cuts the wood through the saw teeth at the edge of the saw blade, the wood chips are splashed along the tangential direction of the saw blade, as shown in fig. 1, when the saw blade 1 cuts the wood 2, the wood chips will be rolled to the bottom of the worktable 3 along the tangential line of the saw blade 1, namely, the direction a in fig. 1; also part of the chips is brought above the table 3 following the saw blade 1 along a tangent to the saw blade 1, as shown in the direction b in fig. 1. When the wood chips are brought above the worktable 3 along the direction b, the wood chips are splashed onto the cutting operator, which not only dirties the clothes of the cutting operator and is not good for neatness, but also may splash onto the eyes of the cutting operator, affect the vision and have serious potential safety hazard,

although the prior art also has a shield above the table, this can affect the viewing angle of the cutting operator and is inconvenient for the production operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a table saw to when solving among the prior art table saw cutting, the smear metal can be followed the saw bit and is taken the problem of the top of workstation.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a bench saw, includes the workstation, and sets up the cutting drive arrangement of workstation bottom, cutting drive arrangement's output has connected gradually cooling fan and saw bit, still includes:

a blowing device configured to guide wind generated by the cooling fan to the saw blade to blow off chips on the saw blade; the blowing opening of the blowing device is positioned below the workbench, so that the cutting scraps are blocked below the workbench.

Optionally, the air blowing device comprises an air guide cover and an air blowing seat arranged at the first end of the air guide cover; the second end of the air guide cover is sleeved outside the cooling fan; the blowing seat is positioned at the edge of the saw blade, and the blowing port is arranged on the blowing seat.

Optionally, the air blowing port includes a first air blowing port parallel to the saw surface of the saw blade, and a second air blowing port perpendicular to the saw surface of the saw blade and crossing two sides of the saw blade, the air blowing direction of the first air blowing port is along the axial direction of the saw blade downward, and the air blowing direction of the second air blowing port is along the radial direction of the saw blade downward.

Optionally, a connecting piece is arranged between the wind scooper and the blowing seat.

Optionally, the connector is an elastic hose.

Optionally, the table saw further comprises a cantilever fixedly connected to the cutting driving device, and the air blowing base is fixedly arranged on the cantilever.

Optionally, the table saw further comprises a cutter following plate, and the cutter following plate and the air guide cover are fixedly connected to the cantilever.

Optionally, an air path is arranged in the air blowing seat, and the air path guides air entering the air blowing seat to the air blowing opening.

Optionally, the blowing seat includes a front shell and a rear shell, air guide ribs are disposed on inner sides of the front shell and the rear shell, and after the front shell and the rear shell are combined, the air guide ribs on the inner side of the front shell and the air guide ribs on the inner side of the rear shell are combined to form the air path.

Optionally, the dust guard is located below the workbench, a slot-shaped hole is formed in the dust guard, and the connecting piece is located in the slot-shaped hole.

The utility model has the advantages that:

the utility model is provided with the blowing device used for blowing the cuttings on the saw blade, and the blowing port of the blowing device is positioned below the workbench, so that the cuttings on the saw blade are blocked below the workbench, and the cuttings are prevented from flying out of the table board along the saw blade tangent line along with the saw blade and splashing on the body of a cutting operator, thereby having the problem of potential safety hazard;

additionally, the utility model discloses can prevent under the condition that need not use workstation top protection casing that the smear metal from spattering cutting operation person on one's body, practice thrift the cost, also avoided the problem of the observation angle of the influence cutting operation person that uses workstation top protection casing to cause.

Drawings

FIG. 1 is a schematic view of chip splash during cutting by a table saw;

FIG. 2 is a schematic perspective view of the table saw of the present invention;

FIG. 3 is a schematic top view of the present invention, with the table removed, of FIG. 2;

FIG. 4 is a schematic view of the structure of the middle cutting driving device, the cooling fan and the blowing device of the present invention;

FIG. 5 is a schematic view of the structure of the middle cutting driving device, the blowing device and the saw blade assembly of the present invention;

FIG. 6 is a schematic perspective view of the air blowing seat of the present invention;

FIG. 7 is a schematic structural view of the middle cutting driving device, the blowing device and the cantilever assembly of the present invention;

FIG. 8 is a schematic view of the exploded structure of the blowing base of the present invention;

fig. 9 is a schematic structural diagram of another view angle in fig. 8 according to the present invention.

In the figure:

1. a saw blade; 2. wood; 3. a work table; 4. a cutting drive device; 5. a cooling fan; 6. a blowing device; 7. a cutter following plate; 8. a dust-proof plate; 9. a cantilever;

61. an air blowing port; 62. a wind scooper; 63. an air blowing base; 64. a connecting member;

611. a first blowing port; 612. a second air blowing port; 631. a front housing; 632. a rear housing; 633. and air guide ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The utility model provides a table saw, fig. 2 is the utility model discloses table saw's spatial structure schematic diagram, fig. 3 is the utility model discloses remove the overlooking structure schematic diagram of workstation in fig. 2, please combine fig. 2 and fig. 3, the utility model discloses table saw includes workstation 3, is provided with saw bit 1 on the workstation 3, and it is of course to reason, and the table saw still is including being used for driving 1 pivoted cutting drive arrangement 4 of saw bit, and cutting drive arrangement 4 sets up in workstation 3 bottom, and cutting drive arrangement 4 can be the motor. Fig. 4 is a schematic structural diagram of the assembly of the cutting driving device, the cooling fan and the blowing device of the present invention, please combine fig. 3 and fig. 4, and the output end of the cutting driving device 4 is sequentially connected with the cooling fan 5 and the saw blade 1 along the axial direction thereof.

As shown in fig. 2 and 3, the table saw of the present invention further includes an air blowing device 6, and the air blowing device 6 is configured to guide the wind generated by the cooling fan 5 to the saw blade 1 to blow off the chips on the saw blade 1. The gas blowing port 61 of the gas blowing device 6 is located below the workbench 3, so that the chips are blocked below the workbench 3, the chips can be prevented from splashing above the workbench 3 along with the saw blade 1, the chips are prevented from splashing on the operator, the operator is not neat, the sight of the operator is blocked, and the potential safety hazard is caused.

Cooling fan 5 is used for cooling arrangement among the prior art on the bench saw, the utility model discloses in utilize ready-made fan to form the air current, lead saw bit 1 department through gas blowing device 6 and blow down the smear metal on the saw bit 1, need not to set up the fan in addition and form the air current, practiced thrift the cost, and the structure is succinct compacter.

As shown in fig. 4, in an implementation manner, the blowing device 6 includes an air guiding cover 62 and a blowing base 63 disposed at a first end of the air guiding cover 62, and the blowing port 61 is disposed on the blowing base 63. The second end cover of wind scooper 62 is established outside cooling fan 5, and wind scooper 62 is used for leading wind to the seat 63 of blowing from cooling fan 5, and the seat 63 of blowing is located saw bit 1 edge, and blows gas hole 61 and locate on the seat 63 of blowing, so wind in the seat 63 of blowing can blow to saw bit 1 edge from blowing hole 61, blows off the smear metal on the saw bit 1, prevents that saw bit 1 from taking the smear metal to workstation 3. Since the blow port 61 is located below the table 3, the chips are blown off under the table 3 and are not carried over the table 3.

Fig. 5 is the utility model discloses the structure schematic diagram of cutting drive arrangement, gas blowing device and saw bit assembly, as shown in fig. 5, because saw bit 1 is used for the sawtooth of cutting at saw bit 1 edge, the smear metal is also taken away along saw bit 1 edge after the cutting, so the utility model discloses an edge of blowing mouth 61 bit saw bit 1, the effect that the edge that only blows saw bit 1 can realize preventing that the smear metal from being taken onto workstation 3, and the quantity of blowing mouth 61 that can minimize again simultaneously only sets up at the edge of saw bit 1 can, has practiced thrift the cost. Of course, in case of not considering the cost, a plurality of blowing openings 61 may be provided to blow the entire lower portion of the saw blade 1.

Fig. 6 is a schematic structural diagram of the middle blowing base of the present invention, please refer to fig. 5 and fig. 6, in an implementation manner, the blowing openings 61 include a first blowing opening 611 parallel to the saw surface of the saw blade 1, and a second blowing opening 612 perpendicular to the saw surface of the saw blade 1, and the second blowing opening 612 spans both sides of the saw blade 1 and can simultaneously blow both sides of the saw blade 1. The blowing direction d of the first blowing port 611 is downward along the axial direction c of the saw blade 1, and the blowing direction e of the second blowing port 612 is downward along the radial direction f of the saw blade 1.

Further, the included angle between the blowing direction d of the first blowing port 611 and the axial direction c of the saw blade 1 may be 15 ° (degree) -30 °, and the blowing direction e of the second blowing port 612 may be the included angle between the radial direction f of the saw blade 1 or 15 ° -30 °, that is, the included angles between the blowing direction d of the first blowing port 611 and the blowing direction e of the second blowing port 612 and the worktable 3 may be 15 ° -30 °.

Referring to fig. 4 and 5, a connecting member 64 is disposed between the wind scooper 62 and the blowing base 63, but the wind scooper 62 and the blowing base 63 may also be integrally formed. In the utility model, in order to facilitate the mold opening manufacture of the air blowing seat 63, the air guiding cover 62 and the air blowing seat 63 are designed into two independent parts and then connected by the connecting piece 64, and the air blowing device 6 is integrally formed by assembling.

The connection member 64 is preferably an elastic hose, such as a rubber hose, and the use of the elastic hose for the connection member 64 allows the connection member 64 to have elasticity, so that it is not only easy to assemble but also ensures airtightness after assembly when the connection member 64 is connected to the air guide cover 62 and the air blowing base 63.

Because the connecting piece 64 is an elastic hose, the supporting strength of the elastic hose is not enough, and the elastic hose is easy to deform, so that the air blowing seat 63 can be fixedly arranged on the cantilever 9 of the table saw, as shown in fig. 7, fig. 7 is a schematic structural view of the assembly of the middle cutting driving device, the air blowing device and the cantilever of the utility model.

As shown in fig. 7, a cantilever 9 is further disposed on the cutting driving device 4, the cantilever 9 is fixedly connected with the cutting driving device 4, the knife follower 7 is connected to the cantilever 9 through a connecting member, and the wind scooper 62 is also positioned and fixed through the cantilever 9. The blowing seat 63 is also fixed on the cantilever 9, so that the whole blowing device 6 is integrated with the cutting driving device 4, and the saw blade 1 is also fixed at the output end of the cutting driving device 4, so that the relative positions of the blowing device 6, the cutting driving device 4 and the saw blade 1 are fixed, when the cutting driving device 4 and the saw blade 1 move integrally, the blowing device 6 also moves integrally, and the relative position is fixed, so that the blowing device 1 can be blown stably. The heel plate 7 is a conventional component of a table saw and the heel plate 7 will not be described in detail herein.

Since one end of the air blowing base 63 is connected to the air guiding cover 62 and the other end is the air blowing opening 61, and the air guided into the air blowing base 63 by the air guiding cover 62 needs to be blown out from the air blowing opening 61, in order to facilitate the air blowing base 63 to flow the air to the air blowing opening 61, in one embodiment, an air path may be provided in the air blowing base 63, and the air path may guide the air entering the air blowing base 63 to the air blowing opening 61.

In a preferred embodiment, the air path is formed by the air guide ribs 633 in the air blowing base 63, as shown in fig. 8 and 9, fig. 8 is an exploded view of the air blowing base of the present invention, and fig. 9 is a view from another perspective of the present invention shown in fig. 8. The blower base 63 includes a front case 631 and a rear case 632, air guide ribs 633 are provided inside the front case 631 and the rear case 632, and when the front case 631 and the rear case 632 are coupled, the air guide ribs 633 inside the front case 631 and the air guide ribs 633 inside the rear case 632 are combined to form an air path. The wind path can make the wind flow more centralized, and avoid the wind from being too scattered or lost.

Referring to fig. 5, the table saw of the present invention further includes a dust guard 8 located below the worktable 3, the dust guard 8 is provided with a slot-shaped hole, and the connecting member 64 is located in the slot-shaped hole, that is, the connecting member 64 passes through the slot-shaped hole, which is convenient for the installation and installation of the connecting member 64 and the air blowing seat 63.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a bench saw, includes workstation (3), and sets up cutting drive arrangement (4) of workstation (3) bottom, the output of cutting drive arrangement (4) has connected gradually cooling fan (5) and saw bit (1), its characterized in that still includes:

a blowing device (6), wherein the blowing device (6) is configured to guide wind formed by the cooling fan (5) to the saw blade (1) to blow off the chips on the saw blade (1); the blowing opening (61) of the blowing device (6) is positioned below the workbench (3) so that the cutting scraps are blocked below the workbench (3).

2. The table saw of claim 1, wherein the blowing device (6) comprises a wind scooper (62) and a blowing base (63) disposed at a first end of the wind scooper (62); the second end of the air guide cover (62) is sleeved outside the cooling fan (5); the blowing seat (63) is positioned at the edge of the saw blade (1), and the blowing port (61) is arranged on the blowing seat (63).

3. The table saw of claim 2, wherein the air blowing opening (61) comprises a first air blowing opening (611) parallel to the saw surface of the saw blade (1) and a second air blowing opening (612) perpendicular to the saw surface of the saw blade (1) and crossing both sides of the saw blade (1), the air blowing direction of the first air blowing opening (611) is downward along the axial direction of the saw blade (1), and the air blowing direction of the second air blowing opening (612) is downward along the radial direction of the saw blade (1).

4. The table saw of claim 2, wherein a connection (64) is provided between the wind scooper (62) and the blowing base (63).

5. The table saw of claim 4, wherein said connector (64) is a flexible hose.

6. The table saw of claim 2,

the cutting device is characterized by further comprising a cantilever (9) fixedly connected to the cutting driving device (4), and the blowing base (63) is fixedly arranged on the cantilever (9).

7. The table saw of claim 6, further comprising a following board (7), wherein the following board (7) and the wind scooper (62) are both fixedly connected to the cantilever (9).

8. The table saw of claim 2, wherein an air passage is provided in the air blowing base (63), and the air passage guides the air introduced into the air blowing base (63) to the air blowing port (61).

9. The table saw of claim 8, wherein the blowing base (63) comprises a front case (631) and a rear case (632), air guide ribs (633) are disposed inside the front case (631) and the rear case (632), and after the front case (631) and the rear case (632) are combined, the air guide ribs (633) inside the front case (631) and the air guide ribs (633) inside the rear case (632) are combined to form the air path.

10. The table saw of claim 4, further comprising a dust guard (8) located below the table (3), the dust guard (8) having a slotted hole therein, the connector (64) being located in the slotted hole.