CN112496450B - Manual saw with saw blade convenient to assemble and disassemble - Google Patents
Manual saw with saw blade convenient to assemble and disassemble Download PDFInfo
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- CN112496450B CN112496450B CN202011340419.3A CN202011340419A CN112496450B CN 112496450 B CN112496450 B CN 112496450B CN 202011340419 A CN202011340419 A CN 202011340419A CN 112496450 B CN112496450 B CN 112496450B
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- saw blade
- blade body
- polishing
- saw
- cantilever
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- 238000005498 polishing Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
- B23D49/12—Hacksaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/08—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
- B23D51/10—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/08—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
- B23D51/12—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a manual saw with a saw blade convenient to assemble and disassemble, which comprises: the device comprises a front cantilever, a rear cantilever, a connecting rod and a back rod, wherein the top of the front cantilever is connected with the two ends of the back rod, the connecting rod is positioned on one side close to the rear cantilever and is fixedly connected with the bottom of the back rod, a chute is formed in the top of the back rod, a clamping mechanism is connected between the front cantilever and the rear cantilever, a saw blade body is connected in the clamping mechanism, and the chute is internally provided with a polishing mechanism; the fixture is used for installing fast the saw blade body, grinding machanism is used for polishing the saw blade body, the fixture includes: the manual saw with the saw blade convenient to assemble and disassemble has the advantages that the clamping, the disassembly and the assembly are fast, the labor is saved, the saw teeth can be polished, the time is saved, and the sharpness of the saw blade is improved.
Description
Technical Field
The invention relates to the technical field of manual saws, in particular to a manual saw with a saw blade convenient to assemble and disassemble.
Background
The hand saw is widely applied to cutting various tools, and is convenient for carrying out hand sawing processing on workpieces. The hand saw generally comprises a back rod, a front cantilever and a rear cantilever, wherein the back rod is connected with the front cantilever and the rear cantilever, and a saw blade is arranged between the front cantilever and the rear cantilever.
However, existing hand saws suffer from drawbacks in use, such as:
1. The saw blade is connected through bolts, so that the saw blade is inconvenient to use and troublesome to disassemble;
2. The saw blade is frequently used and is easy to blunt, and the saw blade needs to be frequently polished to keep the saw blade sharp.
Disclosure of Invention
The invention aims to provide a manual saw with a saw blade convenient to assemble and disassemble, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hand saw with a saw blade that is easy to assemble and disassemble, comprising: the device comprises a front cantilever, a rear cantilever, a connecting rod and a back rod, wherein the top of the front cantilever is connected with the two ends of the back rod, the connecting rod is positioned on one side close to the rear cantilever and is fixedly connected with the bottom of the back rod, a chute is formed in the top of the back rod, a clamping mechanism is connected between the front cantilever and the rear cantilever, a saw blade body is connected in the clamping mechanism, and the chute is internally provided with a polishing mechanism;
The clamping mechanism is used for quickly installing the saw blade body, and the polishing mechanism is used for polishing the saw blade body.
Further, the clamping mechanism includes: the novel drag hook comprises a first drag hook, a second drag hook, a limiting rod, a screw rod and a motor, wherein an output shaft of the motor is connected with the screw rod through a coupler in a transmission mode, the second drag hook is sleeved on the screw rod, one end of the limiting rod is rotatably installed on arc-shaped side walls on two sides of the second drag hook, and the first drag hook and the second drag hook are symmetrically arranged.
Further, the cavity is offered to the below of back cantilever, the motor install in the cavity, be hollow setting in the connecting rod, the screw rod be equipped with the screw one section set up in the hollow of connecting rod and with the second drag hook cup joints mutually, the other end of gag lever post with the connecting rod rotates to be connected.
Further, the connecting holes are formed in the tops of the two ends of the saw blade body, the first draw hook is consistent with the second draw hook in size, the inner diameter of the connecting holes is matched with the diameter of the first draw hook, and one end of the first draw hook is fixedly connected with the inner side wall of the front cantilever.
Further, the polishing mechanism comprises: the grinding wheel comprises a rotating rod, a first bevel gear, a grinding wheel, a grinding piece, a second bevel gear, a pushing wheel, a protruding block and a roller, wherein the first bevel gear is fixedly sleeved on the rotating rod, the grinding wheel is sleeved on one end of the rotating rod, the grinding piece is installed on the grinding wheel in a protruding mode, the second bevel gear is fixedly connected with the pushing wheel, the protruding block is arranged on the arc-shaped side wall of the pushing wheel, and the roller is arranged on one side of the pushing wheel at equal intervals.
Further, the bottom of the second bevel gear is rotatably mounted at the bottom of the chute through a bearing, and the roller is rotatably mounted at the bottom of the chute.
Further, a belt is connected between the rotating rod and the screw in a transmission manner.
Further, through grooves are formed in the sliding grooves and located on two sides of the second bevel gear, the grinding wheel and the first bevel gear are installed in the through grooves in a nested mode, and the tops of the grinding wheel and the first bevel gear and the top of the through grooves are kept on the same horizontal line.
Further, a battery compartment is arranged below the cavity of the rear cantilever, a battery is arranged in the battery compartment, and the battery is electrically connected with the motor through a wire.
Further, the distance from the arc-shaped side wall of the pushing wheel to the side wall on one side of the sliding groove is greater than the thickness of the saw blade body, the distance from the protruding block to the side wall on one side of the sliding groove is consistent with the thickness of the saw blade body, a rubber pad is glued on the protruding block, the rotating speed of the polishing wheel is consistent with that of the pushing wheel, the pushing wheel is matched with the pushing frequency of the saw blade body and the polishing frequency of the polishing sheet, and the saw blade body is provided with an indication arrow.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the clamping mechanism is arranged, when the saw blade is used, the connecting holes on the two sides of the top of the saw blade body are hung on the first draw hook and the second draw hook respectively, then the motor is started, the motor drives the screw rod to rotate, and further drives the second draw hook which is in threaded connection with the screw rod to move on the screw rod, and further drives the saw blade body to be tensioned to one side so as to fix the saw blade body, the second draw hook can be limited by the limiting rods which are rotationally connected on the two sides of the second draw hook, so that the second draw hook can only perform linear motion, when the second draw hook is required to be disassembled, the starting motor is reversed, the second draw hook is enabled to move to the position of the first draw hook, the saw blade body is enabled to be loosened, and then the saw blade body is taken down;
(2) According to the invention, the polishing mechanism can be driven to operate by the clamping mechanism, before the saw blade body is used, one end of the saw blade body is inserted into the sliding groove and is not in contact with one side of the pushing wheel, the motor is started to drive the screw to rotate, the screw drives the rotating rod connected through the belt transmission to rotate, and then drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear connected in a meshed mode to rotate, and then drives the pushing wheel to rotate, the distance from the arc-shaped side wall of the pushing wheel to the side wall of the sliding groove is greater than the thickness of the saw blade body, the distance from the lug to the side wall of the sliding groove is consistent with the thickness of the saw blade body, a rubber pad is glued on the lug, so that the saw blade is pushed to advance when one side of the pushing wheel with the lug is in contact with the saw blade body, the saw blade is stopped to advance when the lug is not in contact with the saw blade body, and then the saw blade body can be intermittently advanced, when the pushing wheel stops pushing the saw blade body, the grinding wheel rotates to a position provided with a grinding disc to grind the saw blade body, and then saw blade body is ground under the cooperation of the pushing wheel and the pushing wheel.
Drawings
FIG. 1 is a schematic diagram of a front view structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the front view part in the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of the embodiment of FIG. 1 in front cross-section;
FIG. 4 is an enlarged schematic view of the structure at A in the embodiment of FIG. 3;
FIG. 5 is a schematic view of the coupling of the grinding mechanism and the clamping mechanism of the embodiment of FIG. 1;
FIG. 6 is a schematic view of the polishing mechanism of the embodiment of FIG. 1;
fig. 7 is a schematic structural diagram of the clamping mechanism in the embodiment of fig. 1.
Reference numerals: 1. a front cantilever; 2. a rear cantilever; 201. a cavity; 3. a connecting rod; 4. a back bar; 5. a chute; 6. a clamping mechanism; 61. a first drag hook; 62. a second drag hook; 63. a limit rod; 64. a screw; 65. a motor; 7. a saw blade body; 8. a polishing mechanism; 81. a rotating lever; 82. a first bevel gear; 83. grinding wheel; 84. polishing the sheet; 85. a second bevel gear; 86. a pushing wheel; 87. a bump; 88. a roller; 9. a connection hole; 10. a belt; 11. and (5) through grooves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 3, a hand saw with a saw blade convenient to assemble and disassemble includes: the novel saw blade grinding device comprises a front cantilever 1, a rear cantilever 2, a connecting rod 3 and a back rod 4, wherein the front cantilever 1 is connected with the top of the rear cantilever 2 and the two ends of the back rod 4, the connecting rod 3 is positioned close to one side of the rear cantilever 2 and the bottom of the back rod 4 is fixedly connected, a sliding groove 5 is formed in the top of the back rod 4, a clamping mechanism 6 is connected between the front cantilever 1 and the rear cantilever 2, a saw blade body 7 is connected in the clamping mechanism 6, a grinding mechanism 8 is arranged in the sliding groove 5, and the clamping mechanism 6 is used for quickly mounting the saw blade body 7, and the grinding mechanism 8 is used for grinding the saw blade body 7.
The clamping mechanism 6 includes: the novel electric retractor comprises a first retractor 61, a second retractor 62, a limiting rod 63, a screw rod 64 and a motor 65, wherein the motor 65 is electrically connected with a time relay switch through a wire, an output shaft of the motor 65 is in transmission connection with the screw rod 64 through a coupler, the second retractor 62 is sleeved on the screw rod 64, one end of the limiting rod 63 is rotatably installed on two arc-shaped side walls on two sides of the second retractor 62, and the first retractor 61 and the second retractor 62 are symmetrically arranged.
And the motor 65 is started, the motor 65 drives the screw 64 to rotate, and then drives the second drag hook 62 which is in threaded connection with the screw 64 to move on the screw 64, and then drives the saw blade body 7 to be tensioned to one side so as to fix the saw blade body 7.
The cavity 201 has been seted up to the below of back cantilever 2, motor 65 install in the cavity 201, be hollow setting in the connecting rod 3, the screw rod 64 be equipped with the screw thread one section set up in the hollow of connecting rod 3 and with second drag hook 62 cup joints mutually, second drag hook 62 and screw rod 64 threaded connection, be convenient for second drag hook 62 remove through screw rod 64, the other end of gag lever post 63 with connecting rod 3 rotates to be connected, can carry out spacingly to second drag hook 62 through gag lever post 63.
The connecting hole 9 has been seted up at saw blade body 7's both ends top, first drag hook 61 with the size of second drag hook 62 is unanimous, the hole internal diameter of connecting hole 9 with the diameter size looks adaptation of first drag hook 61, the one end of first drag hook 61 with the inside wall fixed connection of preceding cantilever 1, the connecting hole 9 of saw blade body 7 of being convenient for penetrates in first drag hook 61 and the second drag hook 62.
The polishing mechanism 8 comprises: the grinding wheel comprises a rotating rod 81, a first bevel gear 82, a grinding wheel 83, a grinding piece 84, a second bevel gear 85, a pushing wheel 86, a protruding block 87 and a roller 88, wherein the first bevel gear 82 is fixedly sleeved on the rotating rod 81, the grinding wheel 83 is sleeved on one end of the rotating rod 81, the grinding piece 84 is installed on the grinding wheel 83 in a protruding mode, the second bevel gear 85 is fixedly connected with the pushing wheel 86, the protruding block 87 is arranged on the arc-shaped side wall of the pushing wheel 86, and the roller 88 is equidistantly arranged on one side of the pushing wheel 86.
The belt 10 is connected between the rotating rod 81 and the screw rod 64 in a transmission manner, connecting grooves are formed in the rotating rod 81 and the screw rod 64, two ends of the belt 10 are respectively sleeved in the two connecting grooves, the belt 10 is prevented from moving in the rotating process, and the screw rod 64 rotates to drive the screw rod 64 connected through the belt 10 in a transmission manner.
The screw 64 drives the rotating rod 81 connected through the belt 10 in a transmission way to rotate, so as to drive the first bevel gear 82 to rotate, and the first bevel gear 82 drives the second bevel gear 85 connected in a meshing way to rotate, so as to drive the pushing wheel 86 to rotate.
The distance from the arc-shaped side wall of the pushing wheel 86 to the side wall on one side of the sliding groove 5 is larger than the thickness of the saw blade body 7, the distance from the projection 87 to the side wall on one side of the sliding groove 5 is consistent with the thickness of the saw blade body 7, and a rubber pad is glued on the projection 87, so that the saw blade is pushed to advance when one side of the pushing wheel 86, on which the projection 87 is installed, is contacted with the saw blade body 7.
When the bump 87 rotates to be not in contact with the saw blade body 7, the pushing saw blade is stopped to advance, the saw blade body 7 can be advanced intermittently, when the pushing wheel 86 stops pushing the saw blade body 7, the polishing wheel 83 rotates to be provided with the polishing sheet 84 to polish the saw blade body 7, and then the saw teeth of the saw blade body 7 and the saw grooves are polished under the cooperation of the polishing wheel 83 and the pushing wheel 86.
The bottom of the second bevel gear 85 is rotatably mounted at the bottom of the chute 5 through a bearing, the roller 88 is rotatably mounted at the bottom of the chute 5, the second bevel gear 85 is convenient to rotate, the saw blade body 7 can be driven to move under the pushing of the pushing wheel 86 through the roller 88, and the arc-shaped side wall of the roller 88 and the arc-shaped side wall of the pushing wheel 86 keep the same horizontal line.
Through grooves 11 are formed in the sliding groove 5 and located on two sides of the second bevel gear 85, the polishing wheel 83 and the first bevel gear 82 are installed in the through grooves 11 in a nested mode, and the tops of the polishing wheel 83 and the first bevel gear 82 and the tops of the through grooves 11 are kept on the same horizontal line.
The rear cantilever 2 is located below the cavity 201 and is provided with a battery compartment, a battery is installed in the battery compartment, the battery is electrically connected with the motor 65 through a wire, and the battery can provide power for the motor 65.
The distance from the arc-shaped side wall of the pushing wheel 86 to the side wall on one side of the sliding groove 5 is greater than the thickness of the saw blade body 7, the distance from the protruding block 87 to the side wall on one side of the sliding groove 5 is consistent with the thickness of the saw blade body 7, a rubber pad is glued on the protruding block 87, the rotating speed of the polishing wheel 83 is consistent with that of the pushing wheel 86, the pushing frequency of the pushing wheel 86 is matched with that of the polishing sheet 84, and the pushing distance of the pushing wheel 86 is consistent with the distance between the tooth grooves on two sides of the saw blade body 7.
Every time the saw blade body 7 is pushed by the pushing wheel 86, the saw blade body 7 can be polished once by the polishing wheel 83, the saw blade body 7 is provided with an indication arrow, and the indication arrow is used for indicating that when the saw blade body 7 is pushed to the position where the indication arrow and the outer edge of the chute 5 are kept at the same position, a tooth slot of the saw blade body 7 is right above the polishing wheel 83.
In summary, the manual saw with the saw blade convenient to assemble and disassemble is provided by the invention, and when in work:
First,: before use, firstly, the saw blade body 7 is polished through the polishing mechanism 8, firstly, one end of the saw blade body 7 is inserted into the chute 5 and is located on one side of the pushing wheel 86, the saw blade body 7 is not connected between the two draw hooks, the starting motor 65 drives the screw rod 64 to rotate, a time relay timer switch is electrically connected with the motor 65, the time relay timer switch is used for setting the travel time, the motor 65 can realize reciprocating rotation, and then the screw rod 64 is driven to rotate forward and backward, the screw rod 64 drives the rotating rod 81 connected through the belt 10 to rotate, and then the first bevel gear 82 is driven to rotate, the first bevel gear 82 drives the second bevel gear 85 connected with the teeth to rotate, and then the pushing wheel 86 is driven to rotate, the distance from the arc-shaped side wall of the pushing wheel 86 to the side wall on one side of the chute 5 is greater than the thickness of the saw blade body 7, the distance from the bump 87 to the side wall on one side of the chute 5 is consistent with the thickness of the saw blade body 7, a rubber pad is glued on the bump 87, one side of the pushing wheel 86 is driven to advance when the bump 87 contacts with the saw blade body 7, the rotating rod 81 is driven to rotate, and the saw blade body 7 is stopped from contacting with the body 7, and then the saw blade body 7 is driven to rotate, and then the saw blade body is driven to rotate, and then the saw blade body is driven to rotate and the saw blade body 83 is driven to rotate, and then the saw blade body is driven to rotate and the saw blade body and 7 to rotate.
Then: after polishing, the connecting holes 9 on two sides of the top of the saw blade body 7 are respectively hung on the first drag hook 61 and the second drag hook 62, then the motor 65 is started, the motor 65 drives the screw 64 to rotate, then the second drag hook 62 which is in threaded connection with the screw 64 is driven to move on the screw 64, and then the saw blade body 7 is driven to be tensioned to one side to fix the saw blade body 7, and mounting is completed.
Finally: when the saw blade body 7 needs to be disassembled, the starting motor 65 is reversed, so that the second drag hook 62 moves to the position of the first drag hook 61, the saw blade body 7 is loosened, and the saw blade body 7 is taken down.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A hand saw with a saw blade that is easy to assemble and disassemble, comprising:
Front cantilever (1), back cantilever (2), connecting rod (3), back of body pole (4), front cantilever (1) with the top of back cantilever (2) with the both ends of back of body pole (4) are connected, connecting rod (3) are located and are close to one side of back cantilever (2) with the bottom fixed connection of back of body pole (4), spout (5) have been seted up at the top of back of body pole (4), a serial communication port, front cantilever (1) with be connected with fixture (6) between back cantilever (2), fixture (6) internal connection has saw blade body (7), install in grinding machanism (8) in spout (5);
the clamping mechanism (6) is used for quickly mounting the saw blade body (7), and the polishing mechanism (8) is used for polishing the saw blade body (7);
The grinding mechanism (8) comprises: the polishing device comprises a rotating rod (81), a first bevel gear (82), a polishing wheel (83), a polishing sheet (84), a second bevel gear (85), a pushing wheel (86), a lug (87) and a roller (88), wherein the first bevel gear (82) is fixedly sleeved on the rotating rod (81), the polishing wheel (83) is sleeved on one end of the rotating rod (81), the polishing sheet (84) is convexly arranged on the polishing wheel (83), the second bevel gear (85) is fixedly connected with the pushing wheel (86), the lug (87) is arranged on the arc-shaped side wall of the pushing wheel (86), and the roller (88) is equidistantly arranged on one side of the pushing wheel (86);
the bottom of the second bevel gear (85) is rotatably arranged at the bottom of the chute (5) through a bearing, and the roller (88) is rotatably arranged at the bottom of the chute (5);
through grooves (11) are formed in the sliding groove (5) and located on two sides of the second bevel gear (85), the polishing wheel (83) and the first bevel gear (82) are installed in the through grooves (11) in a nested mode, and the tops of the polishing wheel (83) and the first bevel gear (82) and the top of the through grooves (11) are kept on the same horizontal line;
The distance from the arc-shaped side wall of the pushing wheel (86) to the side wall on one side of the sliding groove (5) is greater than the thickness of the saw blade body (7), the distance from the protruding block (87) to the side wall on one side of the sliding groove (5) is consistent with the thickness of the saw blade body (7), a rubber pad is glued on the protruding block (87), the rotating speed of the polishing wheel (83) is consistent with that of the pushing wheel (86), the pushing wheel (86) is matched with the polishing frequency of the saw blade body (7) and that of the polishing sheet (84), and the saw blade body (7) is provided with an indication arrow.
2. A hand saw with a convenient blade assembly and disassembly as claimed in claim 1, wherein,
The clamping mechanism (6) comprises: the novel drag hook comprises a first drag hook (61), a second drag hook (62), a limiting rod (63), a screw rod (64) and a motor (65), wherein an output shaft of the motor (65) is connected with the screw rod (64) through a coupling in a transmission mode, the second drag hook (62) is sleeved on the screw rod (64), one end of the limiting rod (63) is rotatably installed on two arc-shaped side walls of the two sides of the second drag hook (62), and the first drag hook (61) and the second drag hook (62) are symmetrically arranged.
3. A hand saw with a convenient blade assembly and disassembly as claimed in claim 2, wherein,
The lower part of back cantilever (2) has seted up cavity (201), motor (65) install in cavity (201), be hollow setting in connecting rod (3), one section that screw rod (64) are equipped with the screw thread set up in the hollow of connecting rod (3) and with second drag hook (62) cup joint mutually, the other end of gag lever post (63) with connecting rod (3) rotate and are connected.
4. A hand saw with a convenient blade assembly and disassembly as claimed in claim 3, wherein,
Connecting holes (9) are formed in the tops of the two ends of the saw blade body (7), the first draw hook (61) is consistent with the second draw hook (62), the inner diameter of the connecting holes (9) is matched with the diameter of the first draw hook (61), and one end of the first draw hook (61) is fixedly connected with the inner side wall of the front cantilever (1).
5. A hand saw with a convenient blade assembly and disassembly as claimed in claim 2, wherein,
A belt (10) is connected between the rotating rod (81) and the screw rod (64) in a transmission way.
6. A hand saw with a convenient blade assembly and disassembly as claimed in claim 3, wherein,
The rear cantilever (2) is arranged below the cavity (201) and is internally provided with a battery, and the battery is electrically connected with the motor (65) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011340419.3A CN112496450B (en) | 2020-11-25 | 2020-11-25 | Manual saw with saw blade convenient to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011340419.3A CN112496450B (en) | 2020-11-25 | 2020-11-25 | Manual saw with saw blade convenient to assemble and disassemble |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112496450A CN112496450A (en) | 2021-03-16 |
| CN112496450B true CN112496450B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011340419.3A Active CN112496450B (en) | 2020-11-25 | 2020-11-25 | Manual saw with saw blade convenient to assemble and disassemble |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113459225B (en) * | 2021-06-16 | 2022-05-31 | 威海奥文机电科技股份有限公司 | Abrasive belt clamp holder matched with table type curve saw and using method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204122848U (en) * | 2014-09-10 | 2015-01-28 | 丹阳市林丰工具制造有限公司 | A kind of saw blade sanding apparatus |
| KR102032399B1 (en) * | 2018-12-03 | 2019-10-15 | 강태연 | Saw |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN204122848U (en) * | 2014-09-10 | 2015-01-28 | 丹阳市林丰工具制造有限公司 | A kind of saw blade sanding apparatus |
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