CN220373443U - Band saw - Google Patents
Band saw Download PDFInfo
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- CN220373443U CN220373443U CN202321783336.0U CN202321783336U CN220373443U CN 220373443 U CN220373443 U CN 220373443U CN 202321783336 U CN202321783336 U CN 202321783336U CN 220373443 U CN220373443 U CN 220373443U
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- handle
- driving device
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- band saw
- saw blade
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- 210000001161 mammalian embryo Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of band saws, and particularly relates to a band saw, which comprises a shell and a saw blade, wherein a driving device for driving the saw blade to move is arranged on the shell, a first handle is arranged on the driving device, the first handle extends towards the shell and is detachably connected with the shell, a second handle is also rotatably arranged on the driving device, a first positioning part is arranged on the second handle, a plurality of second positioning parts and locking pieces are arranged on the driving device, the second handle and the driving device can be relatively fixed by matching the first positioning parts with different second positioning parts, and the second positioning parts can be separated by loosening the locking pieces and can be relatively rotated with the driving device; the utility model aims to provide a band saw convenient to use.
Description
Technical Field
The utility model belongs to the technical field of band saws, and particularly relates to a band saw.
Background
The band saw is a sawing machine in which an endless saw blade is made to perform a continuous rotary motion around two saw wheels in the same direction for sawing. The band saw has high efficiency and small saw path, and is the most widely used main saw in Chinese material making equipment.
Many hand-held band saws are available in the market, some of which have a fixed handle and a rotatable handle for the convenience of the user, such as the hand-held band saw disclosed in chinese patent No. CN201911042739.8, comprising: the shell component, first rotation wheel, second rotation wheel and motor set up in the shell component, and the handle is connected to the shell component, and supplementary handle rotates to be connected to the shell component, and supplementary portion of gripping is connected to supplementary handle, and starting drive sets up on the handle.
The band saw is flexibly controlled by the handle and the rotating auxiliary handle, so that the band saw is convenient for a user to use, but the starting device is only arranged on the handle in the structure, one hand of the user needs to be held all the time in the use process, the band saw is inconvenient to start and close in some scenes, the auxiliary handle can flexibly rotate, and the band saw is inconvenient to press through the control of the auxiliary handle in the use process.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a band saw convenient to use.
The purpose of the utility model is realized in the following way:
the band saw comprises a shell and a saw blade, wherein a driving device for driving the saw blade to move is arranged on the shell, a first handle is arranged on the driving device, the first handle extends towards the shell and is detachably connected with the shell, a second handle is further rotatably arranged on the driving device, a first positioning part is arranged on the second handle, a plurality of second positioning parts and locking pieces for controlling the first positioning parts to keep matched with the second positioning parts are arranged on the driving device, the second handle and the driving device can be relatively fixed by matching the first positioning parts with different second positioning parts, and the first positioning parts and the second positioning parts can be separated by loosening the locking pieces and can be relatively rotated with the driving device; the first handle is provided with a first control piece, the second handle is provided with a second control piece, and the first control piece and the second control piece are independently arranged and can respectively control the starting of the driving device.
The utility model is further provided with: the second handle is provided with a mounting cavity, a first hinge groove is formed in the mounting cavity, the driving device is provided with a first hinge protrusion matched with the first hinge groove, the second handle is provided with an opening, and the first hinge protrusion penetrates through the opening and is matched with the first hinge groove; one side of the first hinging protrusion is provided with a connecting hole with the end part facing the opening, and a wire penetrates through the connecting hole and the opening and electrically connects the second control piece with the driving device; when the second handle rotates, the connecting hole swings at the opening end and drives the wire to swing in the connecting hole.
The utility model is further provided with: the second positioning part is a groove, inclined propping surfaces are arranged on two sides of the groove, the propping surfaces are propped against two sides of the first positioning part and enable the first positioning part and the second positioning part to be relatively fixed, and the first positioning part can be separated from the groove through the guiding of the propping surfaces.
The utility model is further provided with: the driving device is provided with a mounting bulge, the second handle comprises two connecting pins, the two connecting pins are respectively arranged on two sides of the mounting bulge and are respectively connected with the driving device in a rotating way, the two sides of the mounting bulge are respectively provided with a second positioning part, the two connecting pins are respectively provided with a first positioning part, and the two connecting pins are connected by a locking piece and enable the first positioning part to be matched with the second positioning part; the locking piece is loosened, and the second handle deforms under the action of external force so that the first positioning part can be separated from the second positioning part.
The utility model is further provided with: at least two first positioning parts are uniformly arranged on the circumference of the second handle, second positioning parts matched with the first positioning parts are arranged on the driving device, and the first positioning parts and the second positioning parts are uniformly arranged around the circumference of the locking piece respectively.
The utility model is further provided with: still include first base, rotate on the first base and be provided with the link, link and casing or drive arrangement detachable connection, first base extends to the saw blade below, and the casing accessible link is drawn close to first base upset.
The utility model is further provided with: still include the second base, casing or drive arrangement can dismantle on the second base, be provided with the backup pad on the second base, be provided with in the backup pad and wear the groove, the saw blade passes and wears the groove and extend to the backup pad top, and rotates on the casing and be provided with the clamp plate, the clamp plate is to the saw blade swing and can drive the embryo material and support tightly on the saw blade.
The utility model is further provided with: the clamp plate is provided with spacing portion and keeps away the empty slot, and the saw blade can penetrate in keeping away the empty slot when the clamp plate swings to the saw blade, and the rotation angle of spacing portion restriction clamp plate avoids the saw blade to cut and keeps away empty slot bottom.
The utility model is further provided with: the pressing plate is provided with an anti-slip protrusion which is propped against the blank and prevents the blank from sliding relative to the pressing plate.
Compared with the prior art, the utility model has the advantages that:
1. the second handle and the driving device can be flexibly controlled to rotate or be relatively fixed through the locking piece, so that a user can flexibly adjust the second handle according to the needs; the first control piece and the second control piece are respectively arranged on the first handle and the second handle, so that a user can independently grasp the first handle or the second handle to control the starting and closing of the band saw, and the band saw is convenient for the user to flexibly use;
2. the wire can swing in the connecting hole, so that the second handle and the driving device are prevented from rotating relatively to cut the wire, the service life of the band saw is prolonged, the side face of the second positioning part is provided with a propping surface, the first positioning part and the second positioning part can be tightly connected through the propping surface, the second handle and the driving device are prevented from swinging in the using process, the propping surface can guide the matching or separation of the first positioning part and the second positioning part, and the second handle is convenient to adjust;
3. when the shell, the driving device and the saw blade are used together, the band saw can be used as a handheld band saw, and the shell or the driving device is arranged on the first base or the second base, so that the band saw can be used as a horizontal band saw or a vertical band saw, and a user can flexibly use the band saw.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the wire on the second handle in accordance with the present utility model;
FIG. 3 is a schematic view of the structure of the mounting base of the present utility model;
FIG. 4 is a schematic view of the structure of the second handle of the present utility model;
FIG. 5 is a schematic view of the structure of the lower shell of the present utility model;
FIG. 6 is a schematic view of the structure of the housing of the present utility model when mounted on the first base;
FIG. 7 is a schematic view showing the structure of the case mounted on the second base in the present utility model;
fig. 8 is a schematic structural view of a platen in the present utility model.
The meaning of the reference numerals in the figures: 1-a housing; 11-a connecting frame; 12-blank; 2-a driving device; 21-a mounting base; 22-connecting holes; 23-a second positioning portion; 24-a first hinge projection; 25-a pressing surface; 26-locking member; 211-inserting protrusions; 212-wire guides; 3-saw blade; 4-a first handle; 41-a first control;
5-a second handle; 51-lower shell; 52-an upper shell; 53-a first positioning portion; 54-guiding surface; 55-connecting pins; 511-mounting cavity; 512-opening; 513-a first hinge slot; 514-mounting holes; 6-a second control member; 7-conducting wires; 71-a power supply terminal; 72-a motor end; 8-a first base; 81-positioning plates; 82-pushing plate;
9-a second base; 90-supporting plates; 91-penetrating grooves; 92-pressing plates; 921-a limiting part; 922-empty avoidance grooves; 923-anti-slip bump.
Detailed Description
The utility model is further described in the following examples with reference to the accompanying drawings:
referring to fig. 1 to 8, a band saw comprises a housing 1 and a saw blade 3, wherein a driving device 2 for driving the saw blade 3 to move is arranged on the housing 1, a first handle 4 is arranged on the driving device 2, the first handle 4 extends towards the housing 1 and is detachably connected with the housing 1, a second handle 5 is also rotatably arranged on the driving device 2, a first positioning part 53 is arranged on the second handle 5, a plurality of second positioning parts 23 and a locking piece 26 for controlling the first positioning parts 53 to keep matched with the second positioning parts 23 are arranged on the driving device 2, the second handle 5 and the driving device 2 can be relatively fixed by the cooperation of the first positioning parts 53 and the different second positioning parts 23, and the second handle 5 and the driving device 2 can be relatively rotated by loosening the locking piece 26; the first handle 4 is provided with a first control piece 41, the second handle 5 is provided with a second control piece 6, the first control piece 41 and the second control piece 6 are independently arranged and can respectively control the starting of the driving device 2, when the band saw is used, a user can loosen the locking piece 26 to flexibly adjust the second handle 5, the locking piece 26 can be fastened to enable the second handle 5 to be relatively fixed with the driving device 2, a user can conveniently and flexibly control the band saw through the second handle 5, in the structure, the first handle 4 and the second handle 5 are respectively provided with the first control piece 41 and the second control piece 6 which are relatively independent, and the user can independently grasp the first handle 4 or the second handle 5 to control the starting and the closing of the band saw, so that the band saw is convenient to use flexibly.
In the present utility model, a mounting cavity 511 is provided in the second handle 5, a first hinge groove 513 is provided in the mounting cavity 511, a first hinge protrusion 24 that mates with the first hinge groove 513 is provided on the driving device 2, and an opening 512 is provided on the second handle 5, and the first hinge protrusion 24 passes through the opening 512 and mates with the first hinge groove 513; the first hinge protrusion 24 is provided at one side with a connection hole 22 having an end toward the opening 512, and the wire 7 passes through the connection hole 22 and the opening 512 and electrically connects the second control member 6 with the driving device 2; when the second handle 5 rotates, the connecting hole 22 swings at the end of the opening 512 and drives the wire 7 to swing in the connecting hole 22, and in the structure, the wire 7 can swing in the connecting hole 22, so that the wire 7 is prevented from being sheared by the relative rotation of the second handle 5 and the driving device 2, the flexible adjustment of the second handle 5 is influenced, and the service life of the band saw is also influenced.
The drawing of the present specification shows a schematic diagram of the connection of the simple first control element 41 and the simple second control element 6 through the wire 7, wherein the wire 7 includes a power end 71 connected with an external power source and a motor end 72 connected with the driving device 2, and the specific installation of the wire also requires a circuit board for control, which is not shown in the drawing, and the circuit board is an outsourcing element, so that the implementation of the technical scheme by those skilled in the art is not affected.
The second handle 5 in this embodiment includes an upper case 52 and a lower case 51 which are detachably connected, a mounting cavity 511 connected to an opening 512 is provided between the upper case 52 and the lower case 51, the wire 7 passes through the opening 512, enters the mounting cavity 511 and is connected to the second control member 6, the first hinge groove 513 and a mounting hole 514 for mounting the locking member 26 are formed between the upper case 52 and the lower case 51, and preferably the locking member 26 is a bolt.
The driving device 2 is detachably provided with a mounting seat 21 through a fastener, the second handle 5 is rotatably arranged on the mounting seat 21, the mounting seat 21 is provided with a plug-in protrusion 211, the driving device 2 is provided with a plug-in hole matched with the plug-in protrusion 211, and the plug-in protrusion 211 is provided with a wire guide 212 communicated with the connecting hole 22.
The second positioning portion 23 is a groove, inclined abutting faces 25 are arranged on two sides of the groove, the abutting faces 25 abut against two sides of the first positioning portion 53 and enable the first positioning portion 53 and the second positioning portion 23 to be relatively fixed, the first positioning portion 53 can be separated from the groove through guiding of the abutting faces 25, the abutting faces 25 are arranged to be beneficial to tightly connecting the first positioning portion 53 and the second positioning portion 23, shake of the second handle 5 and the driving device 2 in the using process is avoided, the abutting faces 25 can guide matching or separating of the first positioning portion 53 and the second positioning portion 23, adjustment of the second handle 5 is facilitated, in this embodiment, preferably, guiding faces 54 matched with the abutting faces 25 are arranged on two sides of the first positioning portion 53 respectively, the guiding faces 54 are beneficial to tightly matching of the first positioning portion 53 and the second positioning portion 23, and local serious abrasion of the first positioning portion 53 or the second positioning portion 23 can be avoided.
Preferably, at least two first positioning portions 53 are uniformly arranged on the circumference of the second handle 5, second positioning portions 23 matched with the first positioning portions 53 are arranged on the driving device 2, the first positioning portions 53 and the second positioning portions 23 are uniformly arranged around the circumference of the locking piece 26 respectively, the first positioning portions 53 and the second positioning portions 23 which are uniformly arranged on the circumference are favorable for the stable connection of the second handle 5 and the driving device 2, damage caused by large stress of the single first positioning portions 53 and the second positioning portions 23 is avoided, four first positioning portions 53 are arranged on the circumference of the second handle 5 in the embodiment, and eight second positioning portions 23 are arranged on the circumference of the mounting seat 21.
The second handle 5 includes two connection pins 55, the two connection pins 55 are respectively disposed at two sides of the mounting seat 21 and are respectively connected with the driving device 2 in a rotating manner, the two sides of the mounting seat 21 are respectively provided with a second positioning portion 23, the two connection pins 55 are respectively provided with a first positioning portion 53, and the two connection pins 55 are connected by the locking member 26 and keep the first positioning portion 53 and the second positioning portion 23 in cooperation; the locking piece 26 is loosened, the second handle 5 deforms under the action of external force to enable the first positioning part 53 to be separated from the second positioning part 23, the two connecting pins 55 are respectively matched with the second positioning parts 23 on two sides of the mounting seat 21, stable matching of the first positioning part 53 and the second positioning part 23 is facilitated, and when the locking piece 26 is loosened, the second handle 5 and the driving device 2 cannot rotate freely under the action of no external force, so that the use of a user is facilitated.
The housing 1 or the driving device 2 of the present utility model may be mounted on a stand so that the band saw may be used as a horizontal band saw or a vertical band saw, and specific examples thereof are as follows:
embodiment one:
the band saw still includes first base 8, rotate on the first base 8 and be provided with link 11, link 11 and casing 1 or drive arrangement 2 can dismantle the connection, first base 8 extends to saw blade 3 below, casing 1 accessible link 11 is drawn close to first base 8 upset, but make casing 1 first base 8 upset each other carry out embryo material 12 saw cut through link 11 in this structure, make the band saw can regard as horizontal band saw to use, convenient to use person assembles the band saw in a flexible way, and because the opening and the closing of band saw are all controllable to first control piece 41 and second control piece 6, convenient to use person controls in a flexible way.
The positioning plate 81 is fixedly arranged on the first base 8, the push plate 82 is arranged on the first base 8 in a sliding mode, and the blank 12 is driven to lean against the positioning plate 81 through the push plate 82 during sawing, so that a user can saw the blank 12 conveniently.
Embodiment one:
the band saw still includes second base 9, casing 1 or drive arrangement 2 can dismantle on second base 9, be provided with backup pad 90 on the second base 9, be provided with on the backup pad 90 and wear groove 91, saw blade 3 passes and wears groove 91 and extend to backup pad 90 top, and rotate on casing 1 and be provided with clamp plate 92, clamp plate 92 swings to saw blade 3 and can drive stock 12 and support tightly on saw blade 3, casing 1 or drive arrangement 2 can dismantle behind the second base 9 band saw can regard as vertical band saw to use, during the use, support tightly at saw blade 3 through clamp plate 92 drive stock 12, avoid the unexpected injury of user in the use.
In this embodiment, the pressing plate 92 is provided with a non-slip protrusion 923, the non-slip protrusion 923 is abutted against the blank 12 and prevents the blank 12 from sliding relative to the pressing plate 92, and the non-slip protrusion 923 prevents the blank 12 from sliding relative to the pressing plate 92, so that sawing of the blank 12 is facilitated.
Preferably, the pressing plate 92 is provided with a limiting part 921 and a clearance groove 922, when the pressing plate 92 swings towards the saw blade 3, the saw blade 3 can penetrate into the clearance groove 922, the limiting part 921 limits the rotation angle of the pressing plate 92 to prevent the saw blade 3 from cutting the bottom of the clearance groove 922, the clearance groove 922 is favorable for complete cutting of the blank 12, the integrity of the blank 12 is favorable for being maintained, and the limiting part 921 can prevent the saw blade 3 from being damaged by mutual contact with the pressing block, so that accidental damage of the saw blade 3 is avoided.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a band saw, includes casing (1) and saw blade (3), is provided with on casing (1) and is used for driving drive arrangement (2) of saw blade (3) motion, its characterized in that: the driving device (2) is provided with a first handle (4), the first handle (4) extends towards the shell (1) and is detachably connected with the shell (1), the driving device (2) is also rotatably provided with a second handle (5), the second handle (5) is provided with a first positioning part (53), the driving device (2) is provided with a plurality of second positioning parts (23) and locking pieces (26) for controlling the first positioning parts (53) to keep matching with the second positioning parts (23), the first positioning parts (53) and the different second positioning parts (23) are matched to enable the second handle (5) to be relatively fixed with the driving device (2), and the loose locking pieces (26) can enable the first positioning parts (53) to be separated from the second positioning parts (23) and enable the second handle (5) to be relatively rotated with the driving device (2); the first handle (4) is provided with a first control piece (41), the second handle (5) is provided with a second control piece (6), and the first control piece (41) and the second control piece (6) are independently arranged and can respectively control the starting of the driving device (2).
2. A band saw as defined in claim 1, wherein: a mounting cavity (511) is formed in the second handle (5), a first hinge groove (513) is formed in the mounting cavity (511), a first hinge protrusion (24) matched with the first hinge groove (513) is formed in the driving device (2), an opening (512) is formed in the second handle (5), and the first hinge protrusion (24) penetrates through the opening (512) and is matched with the first hinge groove (513); a connecting hole (22) with the end part facing the opening (512) is arranged on one side of the first hinging protrusion (24), and the lead (7) passes through the connecting hole (22) and the opening (512) and electrically connects the second control piece (6) with the driving device (2); when the second handle (5) rotates, the connecting hole (22) swings at the end of the opening (512) and drives the wire (7) to swing in the connecting hole (22).
3. A band saw according to claim 1 or 2, wherein: the second positioning part (23) is a groove, inclined abutting faces (25) are arranged on two sides of the groove, the abutting faces (25) are abutted against two sides of the first positioning part (53) and enable the first positioning part (53) and the second positioning part (23) to be relatively fixed, and the first positioning part (53) can be guided by the abutting faces (25) to be separated from the groove.
4. A band saw according to claim 3, wherein: the driving device (2) is provided with a mounting seat (21), the second handle (5) comprises two connecting pins (55), the two connecting pins (55) are respectively arranged on two sides of the mounting seat (21) and are respectively connected with the driving device (2) in a rotating mode, two sides of the mounting seat (21) are respectively provided with a second positioning part (23), the two connecting pins (55) are respectively provided with a first positioning part (53), and the two connecting pins (55) are connected by a locking piece (26) and enable the first positioning part (53) to be matched with the second positioning part (23); the locking piece (26) is loosened, and the second handle (5) deforms under the external force to enable the first positioning part (53) to be separated from the second positioning part (23).
5. A band saw as defined in claim 4, wherein: at least two first positioning parts (53) are uniformly arranged on the circumference of the second handle (5), second positioning parts (23) matched with the first positioning parts (53) are arranged on the driving device (2), and the first positioning parts (53) and the second positioning parts (23) are uniformly arranged around the circumference of the locking piece (26) respectively.
6. A band saw according to claim 1 or 2 or 4 or 5, wherein: still include first base (8), rotate on first base (8) and be provided with link (11), link (11) can dismantle with casing (1) or drive arrangement (2) and be connected, first base (8) extend to saw blade (3) below, casing (1) accessible link is to first base (8) upset draw close.
7. A band saw according to claim 1 or 2 or 4 or 5, wherein: still include second base (9), casing (1) or drive arrangement (2) can dismantle on second base (9), be provided with backup pad (90) on second base (9), be provided with on backup pad (90) and wear groove (91), saw blade (3) pass and wear groove (91) and extend to backup pad (90) top, and rotate on casing (1) and be provided with clamp plate (92), clamp plate (92) swing to saw blade (3) and can drive embryo material (12) to support tightly on saw blade (3).
8. A band saw as defined in claim 7, wherein: be provided with spacing portion (921) and keep away empty groove (922) on clamp plate (92), saw blade (3) can penetrate in keep away empty groove (922) when clamp plate (92) are to saw blade (3) swing, and the rotation angle of spacing portion (921) restriction clamp plate (92) avoids saw blade (3) to cut and keeps away empty groove (922) bottom.
9. A band saw as defined in claim 8, wherein: the pressing plate (92) is provided with a non-slip bulge (923), and the non-slip bulge (923) is propped against the blank (12) and prevents the blank (12) from sliding relative to the pressing plate (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321783336.0U CN220373443U (en) | 2023-07-08 | 2023-07-08 | Band saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321783336.0U CN220373443U (en) | 2023-07-08 | 2023-07-08 | Band saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220373443U true CN220373443U (en) | 2024-01-23 |
Family
ID=89565754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321783336.0U Active CN220373443U (en) | 2023-07-08 | 2023-07-08 | Band saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220373443U (en) |
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2023
- 2023-07-08 CN CN202321783336.0U patent/CN220373443U/en active Active
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