KR20230143730A - Electric circular saw with dust collecting member for tool storage - Google Patents

Abstract

The present invention relates to an electric circular saw having a dust collecting member for tool storage. More specifically, the dust collecting member is installed on the saw blade cover of a circular saw blade and is detachably connected to a discharge pipe for discharging material chips, and has wheels installed on the lower side. In the form of a cart, one end of the parallel bar on one side of the cart body is deployed to the low ground on one side by rotating an axis. The cart handle is deployed and recovered so that the stopping end of the horizontal bar connecting the other end of the parallel bar is fixed to the top of the other side of the cart body. It relates to an electric circular saw having a dust collection member for tool storage that can be converted into a shape.

Description

Electric circular saw with dust collecting member for tool storage}

The present invention relates to an electric circular saw having a dust collecting member for tool storage. More specifically, the dust collecting member is installed on the saw blade cover of a circular saw blade and is detachably connected to a discharge pipe for discharging material chips, and has wheels installed on the lower side. In the form of a cart, one end of the parallel bar on one side of the cart body is deployed to the low ground on one side by rotating an axis. The cart handle is deployed and recovered so that the stopping end of the horizontal bar connecting the other end of the parallel bar is fixed to the top of the other side of the cart body. It relates to an electric circular saw having a dust collection member for tool storage that can be converted into a shape.

In general, when cutting material with a circular saw device, material chips of the cut material are inevitably generated. Because these material chips can contaminate the work space and reduce work efficiency, the need to collect these material chips during the work process is very high.

Prior technologies for collecting material chips during the above operations include Public Patent No. 10-2017-0100701 (published on 2017.09.05) “Automatic Saw Machine” and Registered Utility Model No. 20-093869 (published on 2000.06.15). .Registration) “Circular saw automatic cutting machine for wood processing”, Registered Utility Model No. 20-0211827 (registered on November 15, 2000) “Electric saw for wood processing”, Registered Patent No. 10-0628886 (registered on September 20, 2006) “Cutter ", etc. have already been introduced.

Public Patent No. 10-2017-0100701 (published on September 5, 2017) Registered Utility Model No. 20-093869 (registered on June 15, 2000) Registered Utility Model No. 20-0211827 (registered on November 15, 2000) Registered Patent No. 10-0628886 (registered on September 20, 2006)

The above prior arts all introduce material chip collection devices with different configurations, and the present invention also provides a dust collection member that is a material chip collection device with a different configuration from the above prior arts, and is separated from the cutting member when necessary. The purpose is to provide an electric circular saw with a dust collection member that can be used to clean the work space or as a storage box for storing accessories and tools necessary for cutting work.

The present invention for achieving the above object is an electric circular saw equipped with a dust collection member for collecting material chips cut by a circular saw blade, and a discharge pipe through which material chips are discharged is provided on one side of the saw blade cover that protects the circular saw blade. become; The dust collecting member is a cart type with wheels installed on the lower surface and an opening on the upper surface. On one side of the cart body, one end of the parallel bar rotates on an axis, and the cart handle extends to one side low area and is caught by the horizontal bar connecting the other end of the parallel bar. The stage is deployed and recovered by being caught at the top of the other side of the cart body, and the internal space of the cart body is divided into a sealed part and a motor part by a partition through which a suction hole blocked by a filter is penetrated, and the motor part has the suction hole. A suction motor that provides suction force is installed in the sealed compartment through a detachable sealed compartment, and a dust collection bag is installed in the sealed compartment, which is a space of the sealed compartment whose upper surface is closed through a removable sealed cover, to communicate with the outside through a recovery pipe, and is detachable. The basic configuration is an electric circular saw, which includes a dust collection duct connecting the recovery pipe and the discharge pipe to collect material chips in the dust collection bag by operation of the suction motor.

Preferably, the dust collection bag is composed of a dust collection pipe detachably coupled to the recovery pipe, and a bag coupled to the dust collection pipe.

Preferably, the dust collection duct is provided with duct connectors at both ends, and the duct connectors at each end are detachably coupled to the discharge pipe and the recovery pipe, respectively, and the duct connector separated from the discharge pipe has a detachable cleaning device. Combine the nozzles to clean the work space.

The electric circular saw of the present invention having the above configuration has the advantage of being able to utilize the dust collection member in various ways by constructing a wheelbarrow handle that can pull the dust collection member when moving the dust collection member, which is a material chip collection device, by rotating the axis. .

In addition, there is an advantage that the dust collection member can be separated from the cutting member as needed to clean the work space, or it can be used as a storage box to store accessory materials and tools necessary for cutting work.

1 is a plan perspective view of an electric circular saw according to the present invention.
Figure 2 is a bottom perspective view of an electric circular saw according to the present invention.
Figure 3 is an installation configuration diagram of the dust collecting member of the present invention.

Hereinafter, the present invention will be described in detail using the attached drawings. However, since the attached drawings show preferred embodiments of the present invention, the scope of the present invention is not limited by these drawings. In addition, even if the configuration is essential for carrying out the present invention, detailed description will be omitted for configurations that belong to the known technology or that can be easily implemented by a person skilled in the art from the known technology.

1 to 3, the electric circular saw of the present invention includes a cutting member 10 that cuts the material, and a dust collection member 20 that collects material chips generated when the cutting member 10 operates. .

Referring to Figures 1 and 2, the cutting member 10 has a motor housing 16 installed on a work table 14 supported by support legs 15, and a drive motor built into the motor housing 16. A circular saw blade 11 that rotates (not shown) is installed on the work table 14. A saw blade cover 12 is installed on the circular saw blade 11 to protect the circular saw blade 11, and the saw blade cover 12 discharges material chips generated when the circular saw blade 11 cuts the material. A discharge pipe (13) is installed.

Additionally, a material guide portion 17 is installed on the work table 14 to guide the material being cut by the circular saw blade 11. The material guide part 17 includes a fixed guide 171 fixed to one end of the work table 14, and is movable along the fixed guide 171 and fixable at a specific point of the fixed guide 171. It consists of a guide (172).

The fixed guide 171 is fixedly installed on one side of the work table 14, and includes a fixed coupling end 171a fixed along one side and a vertical middle portion of the fixed coupling end 171a. It consists of a ruler (171b) that is protruding and displays a scale, and a guide rod (171c) that extends below the ruler (171b) and integrally protrudes from the lower end of the fixed coupling end (171a).

The moving guide 172 is movable along the fixed guide 171 and is installed on the upper plate of the work table 14. The moving guide 172 includes a moving body 172a formed across both ends of the work table 14 in a direction perpendicular to the fixed guide 171, and an adjustment tool 172b installed at one end of the moving body 172a. ), the fixed coupling end (171a) installed at one end of the work table (14) and the other end of the work table (14) are brought into close contact to fix the moving body (172a) to the work table (14). Adjustable contact pieces 172c installed on both sides of the movable body 172a, and fixed to one end of the movable body 172a so that the movable body 172a slides along the guide rod 171c. A sphere 172d is provided.

Through the above configuration, in order to cut the supplied material into the required size, the adjusting tool (172b) of the moving guide (172) is operated to adjust the adjusting contact pieces (172c) provided on both sides of the moving body (172a). The state in which the fixed guide 171 is in close contact with the fixed coupling end 171a and the other end of the work table 14 is released. Then, move the sliding tool (172d) to the desired position of the specific ruler (171b) along the guide rod (171c), and then re-operate the adjusting tool (172b) so that the adjusting contact piece (172c) is aligned with the work table (14). Make sure both ends are fixed by pressing them together. Through this, the moving guide 172 can be fixed to a specific position of the fixed guide 171.

As described above, when the driving motor built into the motor housing 16 is operated while the moving guide 172 is fixed to the fixed guide 171, the circular saw blade 11 operates to cut the material into the desired size. do. As the circular saw blade 11 cuts the material, material chips are generated, and these material chips are discharged through the discharge pipe 13 installed on the saw blade cover 12 covering the circular saw blade 11, as shown in FIG. 2. . In the present invention, the saw blade cover 12 is illustrated as covering the lower part of the circular saw blade 11, but if necessary, the saw blade cover 12 may be formed to cover the upper part of the circular saw blade 11.

All material chips discharged through the discharge pipe 13 are collected by the dust collection member 20.

The dust collecting member 20 includes a cart body 20A with a wheel 20C installed on the bottom of the box-shaped upper surface having an opening 20D, and a cart handle 20B on one side of the cart body 20A, which has a rotating axis ( 20B1) It is a cart type installed so that it can rotate about its axis.

The cart handle (20B) has one end of a parallel bar (20B2) installed on one upper side of both sides of the cart body (20A) so that one end thereof can rotate about the rotation axis (20B1). And at the other end of the parallel bars 20B2, a horizontal bar 20B3 is installed to connect the parallel bars 20B2. At this time, a stopping end 20B4 is protruding from the horizontal bar 20B3.

The cart handle (20B) configured as above is, as shown in FIGS. 1 and 2, when there is no need to use the cart handle (20B), the other end of the parallel bar (20B2) is pivoted to the other side of the cart body (20A). It can be stored in a rotated state. At this time, one side of the parallel bar 20B2 is rotated about the rotation axis 20B1 until the engaging end 20B4 of the horizontal bar 20B3 engages the upper end of the other side of the cart body 20A. Naturally, the cart handle (20B) can be maintained in a fixed state by the engaging end (20B4) acting on the upper end of the other side of the cart body (20A).

And, when the cart body 20A needs to be moved, as shown in FIG. 3, when the cart handle 20B is rotated around the rotation axis 20B1, the horizontal bar 20B3, which is the other end of the parallel bar 20B2, moves to the cart. It is rotated to be located outside the body (20A) so that the cart body (20A) can be pulled. At this time, a one-side stopper 20A1 is installed on the upper side of one end of the cart body 20A to prevent rotation of the parallel bars 20B2. Rotation of the cart handle (20B) on one side is prevented by the one-side stopper (20A1) installed in this way.

The internal space of the cart body (20A) is divided into a motor unit (22) and a sealed compartment (23) by a partition wall unit (21).

A suction hole 211 through which the motor unit 22 and the sealed unit 23 communicate with each other is formed through the partition wall unit 21. However, a filter fixture 213 is installed on one side of the partition wall 21 where the suction hole 211 is installed, and the suction hole 211 is provided through the filter 212 installed on the filter fixture 213. blocked.

The motor unit 22 is provided with a suction motor 221 that is in contact with the suction hole 211 and provides suction force to the sealed unit 23.

And a motor cover 223 may be installed in the motor opening 222, which is the opening 20D of the cart body 20A, corresponding to the motor unit 22. The motor cover 223 is installed so that the other end rotates on an axis, and one end is fixed to the stop step 224 installed on the partition wall 21, so that it can be installed to open and close the motor opening 222. there is. A handle hole 223a may be formed through one side of the motor cover 223 to facilitate opening and closing the motor opening 222.

In addition, preferably, a wiring hole 225 through which the inside and outside communicates is installed in the motor unit 22, and a power line for supplying power to the suction motor 221 is provided through this wiring hole 225.

The sealed portion 23 is kept in a sealed state by the sealed cover 231 that opens and closes the sealed opening 232, which is the opening 20D of the cart body 20A, corresponding to the sealed portion 23. At the top of the sealed portion 23 closed by the sealed cover 231, an edge 235 is installed along the edge for seating the sealed cover 231 to make the internal space airtight. Additionally, a handle groove (231a) may be installed in the hermetic cover 231. The handle groove (231a) does not penetrate but is installed in the form of a groove on the outer surface of the hermetic cover 231 to maintain the closed state of the hermetic chamber. It is desirable to form it as much as possible.

In addition, a recovery pipe 233 is installed on one side wall of the sealed portion 23 so that the sealed room communicates with the outside. A dust collection bag 234 is detachably installed on the other end of the recovery pipe 233, which is the sealed end. The dust collection bag 234 is composed of a dust collection pipe 234a detachably coupled to the recovery pipe 233 and a bag 234b installed in the dust collection pipe 234a. Here, the dust collection bag 234 installed in the closed room can be removed from the recovery pipe 233 as needed. When the dust collection bag 234 is removed from the recovery pipe 233, the closed room part 23 becomes one large It becomes a storage space. The storage space of the sealed portion 23 provided in this way can be used to store subsidiary materials or various tools necessary for cutting.

In addition, the other side of the dust collection duct 24 is detachably attached to one end of the recovery pipe 233. One side of the dust collection duct 24 is detachably connected to the discharge pipe 13 installed on the saw blade cover 12. Here, preferably, a duct connection port 241 is installed at each end of the dust collection duct 24, and the recovery pipe 233 and the discharge pipe 13 are connected through the duct connection port 241.

As described above, after connecting the dust collection bag 234 to the recovery pipe 233 located in the closed room of the sealed portion 23, the discharge pipe 13 and the recovery pipe 233 are connected to the dust collection duct 24. ) is installed so that it is connected. Then, when the suction motor 221 is operated, the suction force of the suction motor 221 goes beyond the filter 212 and acts on the sealed portion 23. Then, the material chips discharged from the discharge pipe 13 through the recovery pipe 233 and the dust collection duct 24 are collected into the dust collection bag 234. At this time, the bulky material chips are placed in the dust collection bag 234, and the air and dust sucked in with the material chips pass through the filter 212. After the dust is filtered out through the filter 212, only the purified air is recalled. It goes out to the outside through the handle hole (223a) and the wiring hole (225).

In addition, as shown in FIG. 3, the dust collecting member 20 of the present invention can be used by separating one end of the dust collecting duct 24 from the discharge pipe 13 and then combining the cleaning nozzle 25 with it. When the cleaning nozzle 25 is coupled to one end of the dust collection duct 24, the suction power of the suction motor 221 is transmitted to the cleaning nozzle 25, so the surrounding work space can be cleaned using the cleaning nozzle 25. There is.

10: Cutting member 11: Circular saw blade
12: Saw blade cover 13: Discharge pipe
14: Work table 15: Support leg
16: Motor housing 17: Material guide part
171: fixed guide 171a: fixed coupling end
171b: ruler 171c: guide rod
172: Movement guide 172a: Movement body
172b: Adjuster 172c: Adjustment adhesion piece
172d: sliding sphere
20: Dust collection member 20A: Cart body
20A1: One side low area 20B: Cart handle
20B1: Rotating axis 20B2: Parallel bars
20B3: Horizontal bar 20B4: Stopper
20C: Wheel 20D: Opening hole
21: partition wall 211: suction hole
212: Filter 213: Filter fixture
22: motor unit 221: suction motor
222: motor opening 223: motor cover
223a: handle ball 224: stop step
225: Wireman
23: closed room 231: closed room cover
231a: Handle groove 232: Closed opening
233: Recovery pipe 234: Dust collection bag
234a: dust collection tube 234b: pocket
235: border hem
24: dust collection duct 241: duct connection port
25: Cleaning nozzle

Claims (3)

In the electric circular saw equipped with a dust collection member (20) for collecting material chips cut by the circular saw blade (11),
A discharge pipe 13 through which material chips are discharged is provided on one side of the saw blade cover 12 that protects the circular saw blade 11,
The dust collecting member 20 is a cart type with wheels 20C installed on the lower surface and an opening 20D on the upper surface, and one end of the parallel bar 20B2 on one side of the cart body 20A rotates on one side to lower the ground on one side. The cart handle (20B), which is deployed up to (20A1), is deployed and recovered by fixing the locking end (20B4) of the horizontal bar (20B3) connecting the other end of the parallel bar (20B2) to the upper end of the other side of the cart body (20A), The internal space of the cart body (20A) is divided into a sealed part (23) and a motor part (22) by a partition wall part (21) through which a suction hole (211) is blocked by a filter (212). (22) is installed with a suction motor 221 that provides suction force to the sealed part 23 through the suction hole 211, and the upper surface of the sealed part 23 is closed through a detachable sealed cover 231. ), a dust collection bag 234 is installed in the closed room to communicate with the outside through a recovery pipe 233, and a dust collection duct 24 connecting the recovery pipe 233 and the discharge pipe 13 is installed in a detachable manner. An electric circular saw having a dust collection member for tool storage, wherein material chips are collected in the dust collection bag (234) by operation of the suction motor (221).
According to paragraph 1,
The dust collection bag 234 has a dust collection member for tool storage consisting of a dust collection pipe 234a detachably coupled to the recovery pipe 233 and a bag 234b coupled to the dust collection pipe 234a. Electric circular saw.
According to paragraph 1,
The dust collection duct 24 is provided with duct connectors 241 at both ends, and the duct connectors 241 at each end are detachably coupled to the discharge pipe 13 and the recovery pipe 233, respectively. An electric circular saw having a dust collection member for tool storage that cleans the work space by attaching a detachable cleaning nozzle (25) to the duct connection port (241) separated from the discharge pipe (13).