CN213732652U

CN213732652U - Handheld cutting machine with dust fall function

Info

Publication number: CN213732652U
Application number: CN202022665108.6U
Authority: CN
Inventors: 武东生; 武明伟; 李振国; 尤亚波; 刘国帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-20
Anticipated expiration: 2030-11-18

Abstract

The application relates to the field of cutting machines, discloses a handheld cutting machine of dust fall, and it includes motor, safety cover, saw bit and handheld handle, handheld handle and motor housing fixed connection, the axis of rotation fixed connection of saw bit and motor, safety cover and motor housing fixed connection and half-wrapped cage cover are in saw bit edge outside, and the safety cover is located same one side of motor to saw bit protection one side and handheld handle, the safety cover is the cavity form, has seted up the dust absorption mouth on the lateral wall that the safety cover is close to the saw bit, and the last fixed suction fan that is provided with of motor housing, suction fan air intake and the inside intercommunication of safety cover, the air outlet department intercommunication of suction fan has the dust removal sack. The dust pollution control device has the advantages of being convenient for high-altitude operation, reducing dust pollution during high-altitude operation, being small in structure, reducing dust pollution treatment cost and protecting the air environment.

Description

Handheld cutting machine with dust fall function

Technical Field

The application relates to the field of cutting machines, especially, relate to a handheld cutting machine of dust fall.

Background

At present, the common equipment for stone cutting is a cutting machine, and grooving is often needed on a marble curtain wall, while the common equipment for grooving is a handheld cutting machine, which is also called a stone cutting machine and a marble machine and can be used for cutting materials such as stones, tiles, woods and the like. It chooses corresponding saw bit for use according to the cutting material of difference, and big handle design, both hands hold more comfortablely.

In the prior art, when the marble outer wall is grooved, the scaffold is erected, constructors perform the grooving process on the scaffold by using the handheld cutting machine, the handheld cutting machine is small in size, convenient to carry and convenient to hold, and the construction efficiency of workers is improved.

In view of the above-mentioned related art, the inventors consider that there is a defect that a large amount of dust is generated when the marble is grooved, causing damage to the air environment.

SUMMERY OF THE UTILITY MODEL

When slotting to the marble in order to improve, can produce a large amount of dusts, cause the defect that air circumstance destroys, this application provides a cutting machine is handed to dust fall.

The application provides a handheld cutting machine of dust fall adopts following technical scheme:

the utility model provides a dust fall handheld cutter, includes motor, safety cover, saw bit and handheld handle, handheld handle and motor housing fixed connection, the axis of rotation fixed connection of saw bit and motor, safety cover and motor housing fixed connection and half packet of formula cage cover are outside at the saw bit edge, and the safety cover is located same one side of motor to saw bit protection one side and handheld handle, the safety cover is the cavity form, and the dust absorption mouth has been seted up on the lateral wall that the safety cover is close to the saw bit, the last fixed suction fan that is provided with of motor housing, the inside intercommunication of suction fan air intake and safety cover, and the air outlet department intercommunication of suction fan has the dust removal sack.

Through adopting above-mentioned technical scheme, the user grips handheld handle tightly, the motor provides power for the saw bit, the dust that the safety cover produced when cutting the saw bit marble blocks between safety cover and marble, reduce the dust to user's direction sputtering, start the suction fan, the suction fan produces suction, the part dust that will cut marble production through the dust absorption mouth inhales the suction fan, and get into collecting in the dust removal sack through the suction fan, reach and use handheld cutting machine, the high altitude construction of being convenient for, dust pollution when reducing the high altitude construction, the small and exquisite effect that reduces dust pollution treatment cost of structure.

Optionally, the dust absorption mouth is located and is close to safety cover one end department, and the safety cover deviates from the directional one end of safety cover one side edge linear velocity direction along the saw bit promptly, the suction fan air intake is located the safety cover with safety cover intercommunication department and deviates from dust absorption mouth one end department, and the safety cover has seted up a plurality of auxiliary holes on being close to the lateral wall of saw bit.

Through adopting above-mentioned technical scheme, the injecing of dust absorption mouth position has complied with the rotation direction of saw bit cutting marble, and inside dust mouthful department gets into the safety cover from the dust absorption of being convenient for more, the setting of suction fan position and the seting up of auxiliary hole, make full use of the structure of safety cover, promoted the utilization ratio of safety cover area, fully enlarged the dust when injecing dust adsorption flow to and adsorbed the entry, dust fall effect when having promoted the marble fluting.

Optionally, a protective screen is fixedly arranged inside the protective cover, the protective screen is located at a communication position of the air inlet of the suction fan and the protective cover, and the protective cover completely covers the communication position of the air inlet of the suction fan and the protective cover.

Through adopting above-mentioned technical scheme, when slotting the marble, can produce most dust, but the little stone that produces occasionally can sputter the safety cover through the dust absorption mouth inside, the protection network carries out effectual blockking to little stone, avoids inside little stone gets into the suction fan, reduces the damage to suction fan inner structure, prolongs the life of suction fan.

Optionally, a cleaning door is arranged on the protective cover and is positioned at the end part of the protective cover close to one end of the suction fan.

Through adopting above-mentioned technical scheme, by the little stone piece that the protection network separation got off and pile up at the outside dust of protection network, need carry out periodic cleaning, keep the effect of induced drafting of suction fan, thereby clear up the inside accumulational dust of safety cover and little stone piece through opening the clearance door, maintain the efficiency of induced drafting of suction fan.

Optionally, an air supply pipe is arranged between the suction fan and the dust removal cloth bag, one end of the air supply pipe is communicated with an air outlet of the suction fan, the other end of the air supply pipe is communicated with the interior of the dust removal cloth bag, an elastic bag opening is arranged at the bag opening of the dust removal cloth bag, and the elastic bag opening is fastened and connected with the end part of the air supply pipe.

By adopting the technical scheme, the dust removal cloth bag is convenient to be connected with the suction fan due to the arrangement of the air supply pipe, the connection between the air supply pipe and the suction fan for the dust removal cloth bag is further strengthened due to the elastic bag opening of the dust removal cloth bag, and the dust removal cloth bag is convenient to be regularly cleaned and replaced.

Optionally, an annular groove is formed in the blast pipe, the annular groove is located at one end, close to the dust removal cloth bag, of the blast pipe, and an elastic bag opening of the dust removal cloth bag is fastened and embedded in the annular groove.

Through adopting above-mentioned technical scheme, the offering of annular makes the elasticity sack inlay card of dust removal sack in the annular, and the annular has strengthened the connection area of dust removal sack and blast pipe, has reinforceed the connection effect between the two, has promoted the leakproofness between the two.

Optionally, a protective cover is arranged on the motor shell, the protective cover is a long-strip arc-shaped plate, the arc-shaped concave surface of the protective cover is opposite to the motor shell, one end of the protective cover is hinged to the motor shell, the other end of the protective cover is magnetically connected with the motor shell, and the dust removal cloth bag is located in a space formed by the protective cover and the motor shell.

By adopting the technical scheme, when the dust removal cloth bag is used, air is blown into the dust removal cloth bag through the suction fan, the dust removal cloth bag is in a bulging state, the dust removal cloth bag is protected by the protective cover, the dust removal cloth bag is protected from being in contact with other sundries, the dust removal cloth bag is prevented from being scraped, the blowing direction of the air passing through the dust removal cloth bag is limited, the blowing direction of the air to a user is reduced, and the use comfort level of the user is increased.

Optionally, a magic tape is fixedly arranged on the protective cover, the magic tape is located on the side wall of the protective cover, which is opposite to the dust removal cloth bag, and the dust removal cloth bag is adhesively connected with the magic tape.

Through adopting above-mentioned technical scheme, the dust removal sack installation back starts the suction fan, and the suction fan is to the interior air blast of dust removal sack, and then the adhesion is pasted with the magic to the dust removal sack, and when the suction fan was out of work, the dust removal sack was still in the state of opening, and the handheld this application of avoiding the user breaks away from in the protection casing when shifting work area, and the effective implementation of protection casing to dust removal sack protective effect is guaranteed to the dust removal sack.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hollow protective cover determines an air suction path and is matched with a suction fan and a dust removal cloth bag to adsorb raised dust during high-altitude operation, so that the effect of maintaining the high-altitude environment in a low-cost, light-weight structure and convenient-to-operate mode is achieved;

2. the arrangement of the protective net and the cleaning door can filter and clean the small stone blocks, maintain the normal operation of the suction fan and prolong the service life of the suction fan;

3. the protective cover and the magic tape are arranged, so that the effect of protecting the dust removal cloth bag is achieved, and the phenomenon that the dust removal cloth bag is scratched by external things is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view showing the inner structure of the shield and the structure at the ring groove.

Fig. 3 is a sectional view showing an inner structure of the protective cover.

Description of reference numerals: 1. a motor; 2. a protective cover; 21. a dust suction port; 22. a secondary hole; 23. a protective net; 24. cleaning the door; 25. locking; 3. a saw blade; 4. a hand-held grip; 5. a suction fan; 6. a dust removal cloth bag; 7. an air supply pipe; 71. a ring groove; 8. a protective cover; 81. a magnetic strip; 82. magic tape.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses cutting machine is handed to dust fall.

Referring to fig. 1, a dust-fall hand-held cutting machine comprises a motor 1, a saw blade 3, a hand-held handle 4 and a protective cover 2, wherein the hand-held handle 4 is fixedly arranged on a shell of the motor 1, the saw blade 3 is fixedly connected with a rotating shaft of the motor 1, the protective cover 2 is fixedly connected with the shell of the motor 1, the protective cover 2 is in an arc-shaped strip shape, an arc concave surface is arranged right opposite to an arc edge of the saw blade 3, the protective cover 2 is annularly covered on the edge of the saw blade 3, the protective cover 2 and the hand-held handle 4 are positioned at the same side of the motor 1, the protective cover 2 is in a hollow shape, a suction fan 5 is fixedly arranged on the shell of the motor 1, an air inlet of the suction fan 5 is communicated with the inner part of the protective cover 2, an air outlet of the suction bag 6 is communicated with a dust collection bag, and a dust collection opening 21 is arranged on the side wall of the protective cover 2 close to the saw blade 3, when the dust collection bag is used, a worker tightly holds the hand-held handle 4, aligns the saw blade 3 to a stone to slot, starting the suction fan 5, at the dust that produces the grooved in-process of marble stone, partly pass through dust absorption mouth 21 and get into inside the safety cover 2, then pass the suction fan 5 and be collected by dust removal sack 6, reach at the high altitude construction to the grooved in-process of marble, reduce the pollution to the air, reduce the effect of wafting of raise dust, environmental protection.

Referring to fig. 1, the arc concave surface of the protective cover 2 is spaced from the edge of the saw blade 3, so that the normal use of the saw blade 3 is ensured. The length direction of the protective cover 2 is arranged along the arc edge of the saw blade 3. The suction opening 21 is located close to one end of the protective cover 2, i.e. at the end of the protective cover 2 pointing in the direction of the linear speed of the saw blade 3 facing away from one side edge of the protective cover 2. When saw bit 3 began to slot the marble, complied with 3 rotation direction of saw bit and driven the dust and sputter, and dust absorption mouth 21 just in time is located just to dust sputtering direction department, and the at utmost of being convenient for inhales the dust inside safety cover 2, promotes dust fall efficiency.

A plurality of auxiliary holes 22 are formed in the protection cover 2, the auxiliary holes 22 are located on the side wall, close to the saw blade 3, of the protection cover 2, and the adjacent auxiliary holes 22 are formed in the protection cover 2 in the same length direction. The auxiliary hole 22 is formed in the protective cover 2, so that dust suction inlets are increased as much as possible on the premise that the air suction path inside the protective cover is not affected, and the effect of improving the dust settling efficiency is achieved.

The suction fan 5 is located the tip lateral wall department that dust absorption mouth 21 was kept away from to safety cover 2, and the suction fan 5 lies in same one side of safety cover 2 with handheld handle 4, and the whole setting of complying with motor 1 rotating shaft length direction of suction fan 5 depends on motor 1 shell, reduces area.

The tip that safety cover 2 is close to suction fan 5 articulates there is clearance door 24, is provided with hasp 25 between clearance door 24 and the safety cover 2, thereby needs regularly to clear up the laying dust in the safety cover 2 after this application uses for a long time, opens hasp 25 and opens clearance door 24, clears up the laying dust of safety cover 2 inside, and easy operation is convenient.

Referring to fig. 1 and 2, an air supply pipe 7 is arranged between the suction fan 5 and the dust removal cloth bag 6, the length direction of the air supply pipe 7 is arranged along the length direction of the suction fan 5, one end of the air supply pipe 7 is fixedly connected with the suction fan 5 and is communicated with an air outlet of the suction fan 5, an annular groove 71 is formed in the position, close to the end portion, of the other end of the air supply pipe 7, and the center line of the annular groove 71 is collinear with the center line of the air supply pipe 7. The dust removal sack 6 that the dust removal sack 6 adopted the elasticity sack, and the elasticity sack inlay card of dust removal sack 6 is in annular 71 and the constraint fastening, and the setting of blast pipe 7 is convenient for take and replace of dust removal sack 6, and the offering of annular 71 has increased the connectivity of dust removal sack 6 with blast pipe 7 simultaneously, has also strengthened the leakproofness between the two, makes better the depositing of dust in dust removal sack 6.

Articulated on the 1 outer wall of motor have protection casing 8, and protection casing 8 is the rectangular platelike of arc, and 8 length direction of protection casing comply with the setting of 7 length direction of blast pipe, and 8 arc concave surfaces of protection casing are just setting up to the 1 shell of motor, and 8 cages of protection casing cover are outside at dust removal sack 6, and protection casing 8 is close to 7 one ends of blast pipe and keeps away from 7 one ends of blast pipe and is the opening form. Along complying with 8 radian directions of protection casing, 8 one ends of protection casing are articulated with the 1 shell of motor, the articulated shaft is on a parallel with 8 length direction of protection casing, 8 other end fixing of protection casing are provided with magnetic stripe 81, the shell that the 1 shell of motor adopted the adsorbable material of magnetism, magnetic stripe 81 is connected with 1 shell magnetism of motor to in the open space that the 6 protections of dust removal sack formed at protection casing 8 and 1 shell of motor, do not influence under 6 filtered air's of dust removal sack the prerequisite, play the guard action to dust removal sack 6.

Fixed magic subsides 82 that are provided with on the 8 arc inner walls of protection casing, magic subsides 82 are provided with a plurality ofly, are provided with three in this embodiment, and magic subsides 82 length direction sets up along 8 radian directions of protection casing, and magic subsides 82 hugs closely 8 arc inner walls of protection casing and sets up, and adjacent magic subsides 82 sets up along the square equidistance of 8 length of protection casing. Dust removal sack 6 that 82 can the adhesion material be made is pasted to magic, and after 5 work of suction fan, 6 bloations of dust removal sack, 6 outer walls of dust removal sack and magic are pasted 82 adhesion and are formed fixedly, and when workman construction place transform, stop 5 work backs of suction fan, 6 still are fixed with protection casing 8 in the dust removal sack, avoid rocking make dust removal sack 6 drop out protection casing 8 protection zone, also reduce the random of deposition in the dust removal sack 6 simultaneously and rock.

Referring to fig. 3, the fixed protection network 23 that is provided with of safety cover 2 inner wall, protection network 23 cover suction fan 5 and safety cover 2 intercommunication department, carry out the fluting in-process to the marble, protection network 23 plays the separation effect to little stone, inside the little stone that reduces the sputtering and get into safety cover 2 inside gets into suction fan 5, maintains the normal operating of suction fan 5, plays the guard action to suction fan 5. In this embodiment, the adjusting plate is fixedly arranged on the side wall of the motor 1 close to the hand grip 4, and the adjusting plate has the effect of adjusting the cutting depth of the saw blade 3 to the marble material.

The implementation principle of the handheld cutting machine of dust fall of the embodiment of this application is: in high altitude construction, the staff grips handheld handle 4 tightly, start suction fan 5, start saw bit 3 and begin to slot marble material, the fluting process can produce the dust, suction fan 5 produces suction, the dust passes through dust absorption mouth 21 and gets into in the safety cover 2, then pass suction fan 5 and get into dust removal sack 6, after suction fan 5 used a period, through opening clearance door 24 and clear up 2 insides of safety cover, 6 positions of dust removal sack are cleared up the inside laying dust of dust removal sack 6 through opening protection casing 8 and taking off dust removal sack 6, be convenient for this application sustainable use, finally this application reaches the high altitude construction of being convenient for, dust pollution when reducing high altitude construction, the structure is small and exquisite, reduce dust pollution treatment cost, the effect of air circumstance is protected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a handheld cutting machine of dust fall, including motor (1), safety cover (2), saw bit (3) and handheld handle (4), handheld handle (4) and motor (1) shell fixed connection, the axis of rotation fixed connection of saw bit (3) and motor (1), safety cover (2) and motor (1) shell fixed connection and half-wrapped cage cover are outside at saw bit (3) edge, safety cover (2) are located same one side of motor (1) to saw bit (3) protection one side and handheld handle (4), its characterized in that: the dust collection device is characterized in that the protective cover (2) is hollow, a dust collection opening (21) is formed in the side wall, close to the saw blade (3), of the protective cover (2), a suction fan (5) is fixedly arranged on the shell of the motor (1), the air inlet of the suction fan (5) is communicated with the interior of the protective cover (2), and the air outlet of the suction fan (5) is communicated with a dust collection cloth bag (6).

2. The hand-held dust fall cutter according to claim 1, characterized in that: dust absorption mouth (21) are located and are close to safety cover (2) one end department, and safety cover (2) deviate from the directional one end of safety cover (2) one side edge linear velocity direction along saw bit (3) promptly, suction fan (5) air intake and safety cover (2) intercommunication department are located safety cover (2) and deviate from dust absorption mouth (21) one end department, and a plurality of auxiliary holes (22) have been seted up on safety cover (2) are close to the lateral wall of saw bit (3).

3. The hand-held dust fall cutter according to claim 2, characterized in that: the protection cover (2) is internally and fixedly provided with a protection net (23), the protection net (23) is positioned at the communication position of an air inlet of the suction fan (5) and the protection cover (2), and the protection cover (8) completely covers the communication position of the air inlet of the suction fan (5) and the protection cover (2).

4. The hand-held dust fall cutter according to claim 3, characterized in that: the cleaning door (24) is arranged on the protective cover (2), and the cleaning door (24) is located at the end part of the protective cover (2) close to one end of the suction fan (5).

5. The hand-held dust fall cutter according to claim 1, characterized in that: an air supply pipe (7) is arranged between the suction fan (5) and the dust removal cloth bag (6), one end of the air supply pipe (7) is communicated with an air outlet of the suction fan (5), the other end of the air supply pipe is communicated with the interior of the dust removal cloth bag (6), an elastic bag opening is arranged at the bag opening of the dust removal cloth bag (6), and the elastic bag opening is fastened and connected with the end part of the air supply pipe (7).

6. The hand-held dust fall cutter according to claim 5, characterized in that: an annular groove (71) is formed in the blast pipe (7), the annular groove (71) is located at one end, close to the dust removal cloth bag (6), of the blast pipe (7), and an elastic bag opening of the dust removal cloth bag (6) is fixedly clamped in the annular groove (71).

7. The hand-held dust fall cutter according to claim 1, characterized in that: be provided with protection casing (8) on motor (1) shell, protection casing (8) are rectangular arc, and protection casing (8) arc concave surface is just setting up motor (1) shell, and protection casing (8) one end is articulated with motor (1) shell, and the other end is connected with motor (1) shell magnetism, and dust removal sack (6) are located the space that protection casing (8) and motor (1) shell formed.

8. The hand-held dust fall cutter according to claim 7, characterized in that: the dust removal cloth bag is characterized in that a magic tape (82) is fixedly arranged on the protective cover (8), the magic tape (82) is located on the side wall, right opposite to the dust removal cloth bag (6), of the protective cover (8), and the dust removal cloth bag (6) is in adhesive connection with the magic tape (82).