CN216398269U - Cutting saw - Google Patents

Abstract

The utility model provides a cutting saw, which aims to solve the problems that the existing cutting saw needs to be additionally provided with a special water supply kettle, is poor in universality and inconvenient to carry. The cutting saw comprises a machine shell, a saw blade, a driving part and a suction device; the saw blade is rotatably arranged on the shell, and at least part of the saw blade is exposed out of the shell so as to cut a product to be processed; the driving part is arranged on the shell and drives the saw blade to rotate; the suction device is installed on the machine shell and sucks cooling liquid or lubricating liquid to the saw blade so as to cool and/or lubricate the saw blade. The cutting saw is provided with the suction device, can be communicated with a common container without the suction device, and can suck lubricating liquid or cooling liquid to the saw blade from the common container, and can well ensure stable water pressure and flow during use, thereby increasing the convenience of operation.

Description

Cutting saw

Technical Field

The utility model relates to the field of garden tools, in particular to a cutting saw.

Background

The cutting saw is a special garden tool, and can be used for cutting cement plate, steel pipe and reinforcing bar by means of diamond saw blade and resin saw blade. When the workman saw bit and cement board when cutting the cement board, can produce a large amount of heat energy under the high-speed rotatory condition of saw bit, consequently need increase the water-cooling under the saw bit behavior, both can give the saw bit cooling in the work, can lubricate the saw bit again, consequently slitting saw work is very necessary to carry out saw bit refrigerated.

The general cutting saw on the market needs to be additionally provided with an automatic water supply kettle with more than 10 liters, which not only increases the cost, but also is inconvenient to carry and inflexible to use, and therefore, the cutting saw needs to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model provides a cutting saw, which aims to solve the problems that the prior cutting saw needs to be additionally provided with a special water supply kettle, has poor universality and is inconvenient to carry.

To achieve the above and other related objects, the present invention provides a dicing saw including a housing, a saw blade, a driving part, and a suction device; the saw blade is rotatably arranged on the shell, and at least part of the saw blade is exposed out of the shell so as to cut a product to be processed; the driving part is arranged on the shell and drives the saw blade to rotate; the suction device is installed on the machine shell and sucks cooling liquid or lubricating liquid to the saw blade so as to cool and/or lubricate the saw blade.

In an example of the utility model, the suction device comprises a diaphragm pump.

In one example of the utility model, the rated working pressure of the diaphragm pump is 0.2 MPa-1.0 MPa; the rated working flow is 200 ml/min-1000 ml/min.

In one example of the present invention, the dicing saw further includes a controller to which the drive assembly of the suction device is electrically connected, and a switch panel electrically connected to the controller.

In one example of the present invention, the dicing saw further includes a suction switch mounted on the housing and electrically connected to the drive assembly of the suction device.

In one example of the utility model, the dicing saw further comprises a shield cover provided outside a part of the saw blade and on a side facing the operator, and a spray device mounted on the shield cover.

In an example of the present invention, the dicing saw further includes a regulating valve installed on the communication pipe between the suction device and the spray device, and controlling pressure and flow rate of the cooling liquid or the lubricating liquid in the communication pipe.

In one example of the utility model, the casing is provided with a main handle and an auxiliary handle, and the control switch of the regulating valve is arranged in an area which is convenient for the fingers of an operator to touch and is beside the main handle or the auxiliary handle.

In one example of the utility model, the main handle and the auxiliary handle are respectively arranged on two sides of the gravity center of the cutting saw, the main handle is arranged on the side facing the operator, and the auxiliary handle is arranged on the side facing the saw blade; the operation switch is arranged on the inner side of the auxiliary handle.

In one example of the present invention, a housing chamber is formed in the cabinet, and the suction device is installed in the housing chamber.

In one example of the present invention, the dicing saw further includes a battery pack detachably mounted on the housing and powering the driving part and the suction device.

In one example of the utility model, the duct of the dicing saw is disposed along an outer wall of the battery pack.

In an example of the present invention, the dicing saw further includes a quick-connect connector, the quick-connect connector is mounted on the housing, and a liquid outlet of the quick-connect connector is disposed in the housing and is in liquid communication with a liquid suction port of the suction device; the liquid inlet of the quick connector is exposed out of the shell.

The utility model provides a cutting saw, which is provided with a suction device, can be communicated with a common container without the suction device, can suck lubricating liquid or cooling liquid to a saw blade from a row, can well ensure stable water pressure and flow during use, and increases the convenience of operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention with a portion of the housing removed;

FIG. 2 is a front view of the present invention with portions of the housing and auxiliary handle removed;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a three-dimensional schematic view of the present invention with a portion of the housing removed;

FIG. 6 is a partial cross-sectional view of a dicing saw spray apparatus of the present invention;

FIG. 7 is a three-dimensional schematic view of the present invention with a portion of the housing removed;

fig. 8 is a three-dimensional schematic view of the cutting saw of the present invention with a portion of the housing removed.

Element number description:

100. a housing; 101. a main handle; 102. an auxiliary handle; 103. a battery pack cavity; 110. a first housing; 120. a second housing; 130. a transmission case; 140. a switch panel; 200. a saw blade; 300. a drive section; 301. a drive motor; 400. a suction device; 401. a quick connector; 402. a first conduit; 403. a direct current motor; 404. a second conduit; 405. adjusting a valve; 4051. an operation switch; 406. a third pipeline; 407. pressing the pipeline into blocks; 408. a fourth conduit; 500. a shield; 501. a first retaining wall; 502. a second retaining wall; 510. a first positioning member; 520. a second positioning member; 600. a spraying device; 601. a first shower head; 602. a second shower head; 700. a lighting assembly; 701. a lamp socket; 702. an illuminating lamp; 800. and a controller.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description only, and are not intended to limit the scope of the utility model, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

Referring to fig. 1 to 8, the present invention provides a dicing saw, which has a suction device therein, can be communicated with a common container without the suction device, and can suck lubricating fluid or cooling fluid to a saw blade, thereby improving the problems of the conventional dicing saw that a special water supply kettle needs to be additionally provided, the versatility is poor, and the carrying is inconvenient.

Referring to fig. 1, the dicing saw includes: a housing 100, a saw blade 200, a driving part 300, and a suction device 400. The structure of the casing 100 is not limited, and may be in various forms, in this embodiment, the casing 100 includes a main housing and a transmission case 130, the main housing includes a first housing 110 and a second housing 120, the first housing 110 and the second housing 120 are combined to form a main handle 101, an auxiliary handle 102 and an accommodating cavity, one side of the transmission case 130 is connected with the main housing, and the other side is cantilevered to the front side of the main housing. The saw blade 200 is rotatably installed on the transmission case 130, and is wholly or at least partially exposed out of the transmission case 130 to grind or cut a product to be processed. The saw blade 200 may be any suitable saw blade known in the art, such as a diamond saw blade, a resin saw blade, or the like. The driving part 300 may be wholly or partially installed in the transmission case 130 and drives the saw blade 200 to rotate; the driving part 300 may be any existing structure capable of driving the saw blade 200 to rotate, in this embodiment, the driving part 300 includes a driving motor 301, an energy source assembly (not shown) and a transmission structure (not shown), the transmission structure is installed in the transmission case 130, and the output shaft extends out of the transmission case 130, the saw blade 200 is installed on the output shaft and rotates together with the output shaft, the motor is installed in the accommodating cavity of the main chassis, and the output shaft of the motor is connected with the input shaft of the transmission structure. The suction device 400 is mounted on the main housing by bolting and sucks a cooling or lubricating fluid to the saw blade 200 to cool and/or lubricate the saw blade 200.

Referring to fig. 1, the suction device 400 of the present invention may be any suitable device capable of sucking cooling or lubricating fluid to the cutting area of the saw blade 200, such as a centrifugal pump, an axial flow pump, etc., and the suction device 400 in this embodiment includes a diaphragm pump, but may also include other control components or connection components, and the diaphragm pump has the advantages of small volume, high pressure, high efficiency, small vibration, adjustable flow rate, etc. The motor of the diaphragm pump can be any suitable motor form suitable for the diaphragm pump, the motor of the diaphragm pump in the embodiment is the direct current motor 403, and the direct current motor 403 has the advantages of good starting and speed regulating performance, wide and smooth speed regulating range, strong overload capacity, small influence of electromagnetic interference and the like, and large torque.

The rated working pressure and rated working flow of the diaphragm pump in the cutting saw can be selected according to the heat generated by cutting, but preferably, in the field of garden cutting, the rated working pressure of the suction device 400 is 0.2 MPa-1.0 MPa, and the rated working flow is 200 ml/min-1000 ml/min. Such pressure and flow rate not only can meet the requirements of garden cutting but also has higher economical efficiency.

Referring to fig. 1 to 3, the power source assembly of the cutting saw of the present invention may be any suitable form capable of providing power to the driving motor 301, such as power source or fuel, in this embodiment, the cutting saw is powered by dc power source, the power source assembly includes a battery pack (not shown), the installation position of the battery pack is not limited, but in order to keep the balance of the whole cutting saw, in an example of the cutting saw of the present invention, the main handle 101 and the auxiliary handle 102 are respectively located at two sides of the center of gravity of the cutting saw, the main handle 101 is located at the side facing the operator, and the auxiliary handle 102 is located at the side facing the saw blade 200; the battery pack chamber 103 is provided on the main housing between the main handle 101 and the auxiliary handle 102, and is located behind the driving motor 301. Such a heavier battery pack may be matched to the cantilevered transmission case 130 on the other side of the drive motor 301. The battery package demountable installation is in battery package chamber 103 to be connected with the motor of drive division 300 and the motor electricity of suction device 400 respectively, for drive division 300 and suction device 400 provide power, adopt the battery package power supply can make the workplace of slitting saw not receive the injecing of power, and is more nimble changeable. The manner in which the battery pack is mounted within the battery pack cavity 103 is not limited, and in one example of the dicing saw of the present invention, the battery pack is removably coupled to the battery pack cavity 103. The detachable installation can be changed the battery package after the battery package damages. In this embodiment, the battery pack is a single-cell battery pack. Of course, it is understood that the battery pack may be a multi-voltage battery pack in other embodiments. So set up, can be so that multiple electric tool sharing same battery package to be convenient for the user to maintain the battery package, reduce use cost. In some other embodiments, of course, the saw is powered by an ac power source and the saw has a plug that is electrically connectable to the ac power source.

Referring to fig. 1 to 3, the suction device 400 of the present invention can be activated by a separate suction switch, for example, in one embodiment, the dicing saw further includes a suction switch, the suction switch is disposed separately from the controller 800 of the dicing saw, and the suction switch is mounted on the housing and electrically connected to the driving assembly of the suction device 400. However, in consideration of the control concentration and the convenience of manipulation, the dicing saw of the present embodiment further includes a controller 800 and a switch panel 140, the driving assembly of the suction device 400 is electrically connected to the controller 800, and the switch panel 140 is electrically connected to the controller 800. The dc motor 403 of the diaphragm pump performs the on and off actions through the controller 800 and the switch panel 140.

Referring to fig. 2 to 4, in order to control the flow and pressure of the cooling fluid and the lubricating fluid, the cutting saw of the present embodiment further includes an adjusting valve 405, and the adjusting valve 405 is installed on a communication pipeline between the suction device 400 and the spraying device 600 and adjusts the pressure and flow of the cooling fluid or the lubricating fluid in the pipeline. The adjustment form of the adjustment valve 405 may be various, for example, in another embodiment, the adjustment valve 405 is an electrically controlled adjustment valve 405, a control portion of the electrically controlled adjustment valve 405 may be electrically connected to the controller 800, and the adjustment of the electrically controlled adjustment valve 405 may be performed through the control panel and the controller 800, but considering that the control portion of the electrically controlled adjustment valve 405 is large in size, in this embodiment, the adjustment valve 405 is manually adjusted, the adjustment valve 405 is fixed on the housing 100 through a bolt assembly, and for convenience of operation, the operation switch 4051 of the adjustment valve 405 is disposed in an area accessible to the fingers of the operator beside the main handle 101 or the auxiliary handle 102. In this embodiment, the manipulation switch 4051 is disposed inside the assist handle 102 in an area accessible to the thumb of the operator. Thus, the operator can touch the operating switch 4051 with his thumb during operation without moving his line of sight from the cutting area to the position of the operating switch 4051, thereby adjusting the pressure and flow of the cooling or lubricating fluid.

The suction device 400 of the present invention can be installed outside or inside the main chassis, and preferably, the suction device 400 is installed in a receiving cavity inside the main chassis in this embodiment. Therefore, the suction device 400 is beautiful, and can be effectively protected to prevent the suction device 400 from protruding to the outside of the main chassis and being damaged by impact.

Referring to fig. 1, a suction device 400 in a dicing saw according to the present invention sucks cooling liquid or lubricating liquid to a saw blade 200 through a cooling pipe, the arrangement form of the cooling pipe is not limited, in this embodiment, the cooling pipe specifically includes a first pipe 402, a second pipe 404 and a third pipe 406, the dicing saw further includes a quick connector 401, the quick connector 401 is mounted on a housing, an outlet of the quick connector 401 is disposed in the housing and is in fluid communication with a liquid suction port of the suction device 400 through the first pipe 402, and the first pipe 402 is disposed along an outer wall of a battery pack; the liquid outlet of the suction device 400 is communicated with the liquid inlet of the regulating valve 405 through a second pipeline 404, and the liquid outlet of the regulating valve 405 is communicated with the liquid inlet of the spraying device 600 through a third pipeline 406. The inlet of the quick connector 401 is exposed outside the casing and is used for connecting with a container which is additionally provided and contains cooling liquid or lubricating liquid. To facilitate installation of the running pipe, the pipe is easily made of a hose structure, such as a stainless steel hose, a metal hose, a corrugated hose, a rubber hose, a plastic hose, and the like. The hose may be secured to the housing by a clamp, for example, in this embodiment, the third conduit 406 is positioned along the upper wall of the drive housing 130, taking into account the longer length of the third conduit 406, and secured to the upper wall of the drive housing 130 by a conduit clamp 407 to prevent the third conduit 406 from loosening and affecting the cutting operation.

Referring to fig. 1 to 5, the inlet of the quick connector 401 of the present invention is not limited as long as it can be quickly connected to the cooling fluid or lubricating fluid pipeline, but considering the structure of the existing quick connector 401, in this embodiment, the inlet of the quick connector 401 is disposed below the main handle 101 and opens toward the operator. Therefore, the interference of an external cooling liquid or lubricating liquid pipeline to the cutting saw can be reduced, and the operation flexibility of the cutting saw is kept. It should be noted that the quick-change coupler of the present invention needs to be connected to a container containing lubricating fluid or cooling fluid, but those skilled in the art will appreciate that the container may be configured otherwise, and these external configurations are not essential to the present invention and will not be described in detail herein.

Referring to fig. 1 and 6, the cutting saw further includes a shield 500 and a spraying device 600, the shield 500 is covered on the outside of a portion of the saw blade 200 and is located at a side facing an operator, and the spraying device 600 is installed on the shield 500 and sprays cooling liquid or lubricating liquid onto the surface of the saw blade 200 from both sides of the saw blade 200. The adjusting mechanism is arranged on the shield 500, and the shield 500 is rotatably arranged outside the saw blade 200 and can be adjusted in position through the adjusting mechanism. The shroud 500 is at least partially positioned above the saw blade 200 and surrounds at least a portion of the saw blade 200 to prevent splashing of metal debris, concrete debris, etc. generated during the cutting process. The shield 500 is rotatably mounted to the drive housing 130 coaxially with the saw blade 200, such that the shield 500 can be rotated about the drive housing 130 to facilitate user adjustment of the position of the shield 500 as desired. The guard 500 comprises a first guard wall 501, a second guard wall 502 arranged parallel to the saw blade 200. The first guard wall 501 and the second guard wall 502 are located on both sides of the saw blade 200. The adjusting mechanism includes a first positioning member 510 disposed on the first wall 501 and a second positioning member 520 pivotally mounted on the transmission case 130, wherein the first positioning member 510 and the second positioning member 520 cooperate to fix the shield 500. In the present embodiment, the first positioning element 510 is a plurality of positioning slots. The second positioning member 520 includes a push button pivotally mounted on the transmission case 130 and engaged with the positioning groove, and an elastic member (not shown) engaged with the push button. One end of the elastic element is fixedly mounted on the push button, and the other end is fixedly mounted on the transmission case 130, so that the push button is tensioned or pressed against the positioning groove. When the device is used, the push button is pushed firstly, so that the push button is separated from the positioning groove, the elastic element is elastically deformed under the action of the push button, and at the moment, the shield 500 can be rotated to adjust the relative position relationship between the shield 500 and the transmission case 130; the push button is then released, whereupon the push button is reset by the resilient element and engages the detent to secure the guard 500.

Referring to fig. 6, after the cooling or lubricating fluid is pumped to the saw blade 200, the cooling or lubricating fluid is further sprayed to the working area of the saw blade 200 without limitation, for example, a pipe can be directly led to a set position, so that the cooling or lubricating fluid flowing out from the pipe is directly sprayed to the saw blade 200, in this embodiment, the spraying device 600 is installed on the shield 500, the third pipe 406 is communicated with the spraying device 600, the installation position and number of the spraying device 600 on the shield 500 are not limited, in an example of the present invention, the spraying device 600 includes a first spraying head 601 and a second spraying head 602, the first spraying head 601 is installed on the first guard wall 501, the second spraying head 602 is installed on the second guard wall 502, and the two spraying heads are communicated with each other through a fourth pipe 408. The two spray headers are respectively penetrated through the first guard wall 501 and the second guard wall 502 at opposite sides thereof, and the spray ports face the two side surfaces of the saw blade 200. The fourth conduit 408 is preferably constructed of a flexible tube, such as a stainless steel flexible tube, a metal flexible tube, a corrugated flexible tube, a rubber flexible tube, a plastic flexible tube, or the like.

Referring to fig. 1 and 8, in an example of the present invention, the dicing saw further includes a lighting assembly 700, the lighting assembly 700 is used to illuminate an area to be cut, and the lighting assembly 700 includes a lighting lamp 702 and a lamp holder 701. The illuminating lamps 702 are located above the saw blade 200, and two ends of the illuminating lamps extend to two sides of the saw blade 200 respectively, so that light emitted by the illuminating lamps 702 at two sides of the saw blade 200 can sufficiently illuminate a cutting line right below the saw blade 200, and a user can cut the saw blade conveniently. The illumination lamp 702 is an LED lamp and is fixedly installed on one side of the lamp holder 701 facing the saw blade 200. The lamp holder 701 is straddled and fixed on the first and second retaining walls 501 and 502 of the shroud 500 such that the lamp holder 701 has a sufficient installation space to extend the illumination lamps 702 to both sides of the plane in which the saw blade 200 is located. Of course, the lamp socket 701 according to the present invention may further be provided with a light reflecting bowl (not shown) and a dust cover (not shown) for cooperating with the illumination lamp 702. In this embodiment, the illumination lamp 702 is fixedly mounted on the shield 500 through the lamp socket 701. However, in other embodiments, the illumination lamp 702 may also be fixedly mounted on the auxiliary handle 102.

The utility model provides a cutting saw, which is provided with a suction device, can be communicated with a common container without the suction device, can suck lubricating liquid or cooling liquid to a saw blade from a row, can well ensure stable water pressure and flow during use, and increases the convenience of operation. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A dicing saw, comprising:

a housing;

the saw blade is rotatably arranged on the shell, and at least part of the saw blade is exposed out of the shell so as to cut a product to be processed;

the driving part is arranged on the shell and drives the saw blade to rotate;

and the suction device is arranged on the machine shell and is used for sucking cooling liquid or lubricating liquid to the saw blade so as to cool and/or lubricate the saw blade.

2. The dicing saw of claim 1, wherein the suction device comprises a diaphragm pump.

3. The dicing saw of claim 2, wherein the diaphragm pump has a rated working pressure of 0.2Mpa to 1.0 Mpa; the rated working flow is 200 ml/min-1000 ml/min.

4. The dicing saw of claim 1, further comprising a controller and a switch panel, the drive assembly of the suction device being electrically connected to the controller, the switch panel being electrically connected to the controller.

5. The dicing saw of claim 1, further comprising a suction switch mounted on the housing and electrically connected to a drive assembly of a suction device.

6. The dicing saw of claim 1, further comprising a shroud disposed outside a portion of the saw blade and on a side facing an operator, and a spray device mounted on the shroud.

7. The dicing saw of claim 6, further comprising a regulating valve installed on a communication duct between the suction device and the spray device and controlling pressure and flow of the cooling or lubricating liquid in the communication duct; the shell is provided with a main handle and an auxiliary handle, and an operation switch of the adjusting valve is arranged in a region which is convenient for an operator to touch fingers and is arranged beside the main handle or the auxiliary handle.

8. The dicing saw of claim 7, wherein the main handle and the auxiliary handle are on opposite sides of a center of gravity of the dicing saw, with the main handle disposed on a side facing an operator and the auxiliary handle disposed on a side facing the saw blade; the control switch is arranged on the inner side of the auxiliary handle and is positioned in a range which can be reached by a thumb in a working state.

9. The dicing saw of claim 1, wherein a housing cavity is formed in the housing, the suction device being mounted in the housing cavity.

10. The dicing saw of claim 1, further comprising a quick-connect coupling mounted on the housing, and a liquid outlet of the quick-connect coupling disposed within the housing and in liquid communication with a liquid extraction port of the suction device; the liquid inlet of the quick connector is exposed out of the shell.

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