CN216298150U - Circular sawing machine with cutter protection device - Google Patents
Circular sawing machine with cutter protection device Download PDFInfo
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- CN216298150U CN216298150U CN202120422572.4U CN202120422572U CN216298150U CN 216298150 U CN216298150 U CN 216298150U CN 202120422572 U CN202120422572 U CN 202120422572U CN 216298150 U CN216298150 U CN 216298150U
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- saw blade
- circular saw
- driving motor
- protection device
- sawing machine
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Abstract
The utility model discloses a circular sawing machine with a cutter protection device, which comprises a driving motor, a handle fixed on the driving motor, a circular saw blade arranged on an output shaft of the driving motor, an upper protection cover fixed on the driving motor and a lower protection device movably arranged on the upper protection cover, wherein the upper protection cover is positioned at the upper part of the circular saw blade, two sides of the upper protection cover are symmetrically provided with guide sleeves, the end part of an output shaft of the driving motor is provided with a rotatable slide block, the lower protection device is positioned at the lower part of the circular saw blade, two sides of the lower protection device are symmetrically provided with guide shafts, the guide shafts are provided with pressure springs, the guide shafts are arranged in the guide sleeves in a sliding manner, the lower protection device is also provided with a sliding chute and a knife outlet, and the slide block is arranged in the sliding manner in the sliding chute. At ordinary times, the circular saw blade is hidden by the upper protective cover and the lower protective device, and when the circular saw blade is used, the lower protective device is lifted, and the circular saw blade automatically extends out of the cutting opening to perform cutting operation. The problem of the workman use the circular sawing machine easily accidental injury in the present metal cutting field is solved, avoided the industrial injury incident, indirectly improved enterprise economic benefits.
Description
Technical Field
The utility model relates to the field of metal cutting, in particular to a circular sawing machine with a cutter protecting device.
Background
The circular sawing machine is often used in the field of metal cutting, wherein the handheld circular sawing machine is very widely used, and after the circular sawing machine is powered on, a worker holds a handle of the circular sawing machine, and slowly approaches a rotating circular saw blade to a material to be cut.
Therefore, there is a need for a circular saw machine having a cutter guard, which hides the entire circular saw blade inside when not in use, and in which the used portion of the circular saw blade automatically extends to perform cutting operation, and the circular saw blade can be automatically retracted into the guard after the operation is completed. The part that the circular saw blade did not use is whole to be hidden inside, with the effectual isolation of workman outside the risk, has avoided the industrial accident.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a circular sawing machine with a cutter protecting device, which is provided with the protecting device, the protecting device can hide a saw blade when not in operation, and the used part of the saw blade automatically extends out when in operation, thereby effectively protecting workers from being accidentally injured by the saw blade.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a take cutter protection device's circular sawing machine, including driving motor, fix the handle on driving motor and set up the circular saw blade on driving motor output shaft, still including last safety cover and the activity that is fixed in driving motor setting up in the lower protection device of last safety cover, it is equipped with the uide bushing to go up the safety cover and be located circular saw blade upper portion and bilateral symmetry, driving motor output shaft tip is provided with rotatable slider, lower protection device is located circular saw blade lower part and bilateral symmetry and is equipped with the guiding axle, be equipped with the pressure spring on the guiding axle, the guiding axle slides in the uide bushing and sets up, lower protection device still is equipped with the spout and goes out the edge of a knife, the slider slides in the spout and sets up. When the circular saw blade is not used, the circular saw blade is hidden by the upper protective cover and the lower protective device, when the circular saw blade is used, the upward sliding circular saw blade using part of the lower protective device automatically extends out of the cutter outlet, the body of a worker and the circular saw blade are effectively and maximally isolated, and the worker is prevented from being accidentally injured by the circular saw blade.
Preferably, a groove is formed in the sliding block, the sliding block slides in the sliding groove through the groove, and the lower protection device can smoothly slide up and down relative to the upper protection cover.
Preferably, a bearing is arranged in the sliding block, and the output shaft of the driving motor is arranged on the bearing. The output shaft of the driving motor can flexibly rotate in the sliding block.
Preferably, the driving motor is provided with a motor shell, and the handle and the upper protective cover are fixed on the motor shell.
Preferably, the handle is U-shaped, meets the ergonomic design, and is convenient for workers to operate.
Preferably, the lower protection device is U-shaped, and the lower protection device is simple in shape and structure and beneficial to processing and manufacturing.
Preferably, the driving motor is also provided with a power switch and a speed regulating button for regulating the speed of the circular saw machine switch and the circular saw blade.
Compared with the prior art, the utility model has the beneficial effects that:
1. the circular saw machine is provided with the cutter protection device which comprises the fixed upper protection cover and the fixed lower protection device, the circular saw blade is hidden inside the protection device, when the circular saw machine is used, a worker only needs to normally operate the circular saw machine, the lower protection device can lift up to expose the use part of the saw blade, and the lower protection device automatically resets immediately after the operation is finished, so that the worker and the circular saw blade are separated to the maximum extent, the worker is effectively protected, the work injury event is avoided, and the economic benefit of an enterprise is indirectly improved.
2. The shape of the handle of the circular sawing machine conforms to the ergonomic design, the cutter protection device has no negative influence on the operation of workers, and the operation of the workers is simple and smooth.
3. The cutter protecting device of the circular sawing machine is simple in structure and easy to manufacture.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the overall structure of an embodiment of the present invention with the lower protection device removed.
Fig. 3 is a front view of a lower protective device according to an embodiment of the present invention.
Fig. 4 is a top view of a lower protective device according to an embodiment of the present invention.
In the figure: the automatic cutter comprises a driving motor 1, a sliding block 11, a motor shell 12, a groove 111, a handle 2, a circular saw blade 3, an upper protective cover 4, a guide sleeve 41, a lower protective device 5, a guide shaft 51, a pressure spring 52, a sliding groove 53 and a cutter outlet 54.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 and fig. 2, the present invention provides a circular saw machine with a cutter protection device, comprising a driving motor 1, a handle 2 fixed on the driving motor 1, a circular saw blade 3 arranged on an output shaft of the driving motor 1, an upper protection cover 4 fixed on the driving motor 1, and a lower protection device 5 movably arranged on the upper protection cover 4, wherein the upper protection cover 4 is arranged on the upper portion of the circular saw blade 3 and is symmetrically provided with guide sleeves 41 at both sides, the end portion of the output shaft of the driving motor 1 is arranged on a bearing arranged in a slide block 11, a groove 111 is arranged outside the slide block 11, the lower protection device 5 is arranged on the lower portion of the circular saw blade 3 and is symmetrically provided with guide shafts 51 at both sides, a pressure spring 52 is arranged on the guide shafts 51, the guide shafts 51 are arranged in the guide sleeves 41 in a sliding manner, as shown in fig. 3 and fig. 4, the lower protection device 5 is further provided with a sliding groove 53 and a cutter outlet 54, the slide block 11 is arranged in the sliding manner through the sliding groove 53, the circular saw blade 3 projects beyond the protective device via the knife outlet 54. As shown in fig. 1, the driving motor 1 is provided with a motor housing 12, and the handle 2 and the upper protective cover 4 are fixed on the motor housing 12. The driving motor 1 is also provided with a power switch and a speed regulating button, which can switch the power supply and regulate the rotating speed of the circular saw blade 3 at any time. In this embodiment, the handle 2 is U-shaped, and the lower protection device 5 is also U-shaped.
The working principle is as follows: as shown in figure 1, the circular saw machine of the utility model is in a normal state, when cutting operation is needed, a worker switches on a power supply to adjust the rotating speed of the circular saw blade 3, the lower surface of the lower protection device 5 is lightly placed on the surface of a material and then slowly pressed downwards, at the moment, the pressure spring 52 is stressed and compressed, the slide block 11 slides in the slide groove 53, the guide shaft 51 slides in the guide sleeve 41, the lower protection device 5 is lifted upwards, the circular saw blade 3 slowly descends to the surface of the material, and the cutting operation is completed according to a cutting line drawn in advance. After the completion, the circular sawing machine is lifted, the lower protection device 5 is reset under the action of gravity and the pressure spring 52, the saw blade is retracted into the circular sawing machine, and finally the circular sawing machine is placed back to the storage position.
As described above, the circular saw machine is provided with the cutter protection device, the circular saw blade is hidden inside the cutter protection device, the circular saw blade can automatically extend out of the used part to complete cutting operation when a worker performs cutting action, the saw blade can also automatically reset after the operation is completed, the worker and the circular saw blade are separated to the maximum extent, the worker is effectively protected, a work injury event is avoided, and the economic benefit of an enterprise is indirectly improved. The utility model has simple structure, easy manufacture, convenient speed regulation by opening and closing of workers and smooth operation.
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 (7)
1. The circular sawing machine with the cutter protection device comprises a driving motor (1), a handle (2) fixed on the driving motor (1) and a circular saw blade (3) arranged on an output shaft of the driving motor (1), and is characterized by further comprising an upper protection cover (4) fixed on the driving motor (1) and a lower protection device (5) movably arranged on the upper protection cover (4), wherein the upper protection cover (4) is positioned on the upper part of the circular saw blade (3) and is symmetrically provided with guide sleeves (41), the end part of the output shaft of the driving motor (1) is provided with a rotatable slide block (11), the lower protection device (5) is positioned on the lower part of the circular saw blade (3) and is symmetrically provided with guide shafts (51), pressure springs (52) are arranged on the guide shafts (51), the guide shafts (51) are arranged in the guide sleeves (41) in a sliding manner, the lower protection device (5) is further provided with a sliding groove (53) and a cutter outlet (54), the sliding block (11) is arranged in the sliding groove (53) in a sliding mode.
2. The circular sawing machine with the cutter guard according to claim 1, wherein the slider (11) is provided with a groove (111), and the slider (11) slides in the sliding groove (53) through the groove (111).
3. The circular sawing machine with cutter guard according to claim 1, characterized in that a bearing is provided in the slide block (11), and the output shaft of the drive motor (1) is provided on the bearing.
4. The circular sawing machine with cutter guard according to claim 1, wherein a motor housing (12) is provided on the driving motor (1), and the handle (2) and the upper guard (4) are fixed to the motor housing (12).
5. The circular saw machine with the cutter guard as claimed in claim 1, wherein the handle (2) is U-shaped.
6. The circular sawing machine with cutter guard according to claim 1, characterised in that the lower guard (5) is U-shaped.
7. The circular sawing machine with cutter guard according to claim 1, wherein the drive motor (1) is further provided with a power switch and a speed regulating button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120422572.4U CN216298150U (en) | 2021-02-25 | 2021-02-25 | Circular sawing machine with cutter protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120422572.4U CN216298150U (en) | 2021-02-25 | 2021-02-25 | Circular sawing machine with cutter protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216298150U true CN216298150U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120422572.4U Active CN216298150U (en) | 2021-02-25 | 2021-02-25 | Circular sawing machine with cutter protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216298150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302303A (en) * | 2022-10-13 | 2022-11-08 | 扬中市红洲磨具有限公司 | Cutting piece protection device |
-
2021
- 2021-02-25 CN CN202120422572.4U patent/CN216298150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302303A (en) * | 2022-10-13 | 2022-11-08 | 扬中市红洲磨具有限公司 | Cutting piece protection device |
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