CN216031703U - Multi-stage combined type diamond circular saw blade not prone to fracture - Google Patents
Multi-stage combined type diamond circular saw blade not prone to fracture Download PDFInfo
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- CN216031703U CN216031703U CN202121518325.0U CN202121518325U CN216031703U CN 216031703 U CN216031703 U CN 216031703U CN 202121518325 U CN202121518325 U CN 202121518325U CN 216031703 U CN216031703 U CN 216031703U
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- saw blade
- spring
- side wall
- circular saw
- fracture
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Abstract
The utility model discloses a multistage combined type diamond circular saw blade difficult to break, wherein the inner side wall of a shell a is rotatably connected with a transmission shaft, the outer surface of the transmission shaft is welded with a transmission roller, the outer surface of the transmission roller is uniformly provided with through holes, the inner side wall of each through hole is matched with a spring, the inner side wall of each spring is coated with a slide bar, and the outer surface of each slide bar is in sliding connection with the inner side wall of each through hole; the transmission shaft is used as a torque rotating part, and the ball is enabled to be always meshed with the teeth of the shell b to carry out transmission under the action of the slide rod, so that the saw blade is driven to rotate and carry out cutting operation; when the rotating speed is overhigh and the deflection resonance force is overhigh due to abnormal torque, the ball is stretched by the disc spring and is thrown and slipped under the action of centrifugal force, and under the action of the sliding rod and the spring, the ball realizes the distance adjustment compared with the circle center and abuts against the teeth, so that the shell a loses the torque source, the saw blade stops rotating, and the overload protection is realized.
Description
Technical Field
The utility model relates to the technical field of saw blades, in particular to a multistage combined type diamond circular saw blade not prone to fracture.
Background
The saw blade is a circular cutter for cutting solid materials, and is widely applied to various machining industries, such as a diamond saw blade for cutting stone materials, a high-speed steel saw blade for cutting metal materials, a hard alloy saw blade for cutting solid wood, furniture, artificial boards, aluminum alloy, aluminum profiles, radiators, plastics, plastic steel and the like, and the like;
diamond circular saw blades, which are composed of diamond agglomerates and a saw blade base, have been widely used in cutting non-metallic materials such as stone, cement, glass, ceramic products, etc. The combined diamond circular saw blade is a tool for cutting plates by assembling a plurality of saw blades with the same specification or more than two specifications on the main shaft of the same sawing machine, is mainly used for cutting granite and marble slabs in groups, improves the outturn rate of rough materials, saves electricity consumption, and improves the cutting efficiency and the plate precision. The combined saw can process thinner plates, has good processing quality and high sawing efficiency, and is widely used at home and abroad. The combined diamond circular saw blade widely used in the market at present mainly has the types of single combination (same specification), two combinations (two specifications), three combinations (three specifications) and the like; once the saw blade is broken, the metal structure of the saw blade can be broken to the periphery under the action of high-speed centrifugal force, and the sharp alloy metal fragments are very easy to cause large-scale sputtering and killing, so that the damage of peripheral equipment and the injury of workers are caused.
Therefore, the diamond circular saw blade which is combined in multiple stages and not prone to fracture is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multistage combined type diamond circular saw blade which is not easy to break so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a difficult cracked diamond circular saw piece of multistage combination formula, includes two casings a, one the inside wall of casing a rotates and is connected with the transmission shaft, the skin weld of transmission shaft has the driving roller, the through-hole has evenly been seted up to the surface of driving roller, the inside wall adaptation of through-hole has the spring, the inside wall cladding of spring has the slide bar, the surface of slide bar with the inside wall sliding connection of through-hole, the skin weld of slide bar has the ball, two the inside wall weld of casing a has casing b, the even integrated into one piece of inside wall annular of casing b has tooth, the inside wall of tooth with the surface looks adaptation of ball, the inside wall adaptation of casing b has the disc spring, the skin weld of casing a has the connecting sleeve, the skin weld of connecting sleeve has the saw bit, the even scarf joint of surface of saw bit has diamond piece, the front surface welding of casing a has first dish leaf spring, the preceding surface mounting of first dish leaf spring has cam shaft coupling, cam shaft coupling's preceding surface mounting has the profile of tooth to connect a section of thick bamboo.
As further preferable in the present technical solution: and reinforcing ribs are welded on the outer surface of the shell a.
As further preferable in the present technical solution: the front surface of the driving roller is welded on an inner tile of the bearing, and an outer tile of the bearing is welded on the inner side wall of the shell a.
As further preferable in the present technical solution: the front surface and the rear surface of the driving roller are symmetrically welded with two limiting discs, and the inner side walls of the limiting discs are matched with the front surface and the rear surface of the balls.
As further preferable in the present technical solution: the inclined plane of the disc spring is forty-five degrees, and the front surface and the rear surface of the driving roller are symmetrically welded with two hoops.
As further preferable in the present technical solution: the inner side wall of the connecting sleeve is annularly provided with a concave groove, the outer surface of the shell a is annularly provided with a cam, and the outer surface of the cam is matched with the inner side wall of the concave groove.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, a transmission shaft is used as a torque rotating part, and the ball is enabled to be always meshed with teeth of the shell b to carry out transmission under the action of a sliding rod, so that a saw blade is driven to rotate and cutting operation is carried out; when the rotating speed is overhigh and the deflection resonance force is overhigh due to abnormal torque, the ball is stretched by the disc spring and is thrown and slipped under the action of centrifugal force, and under the action of the sliding rod and the spring, the ball realizes the distance adjustment compared with the circle center and abuts against the teeth, so that the shell a loses the torque source, the saw blade stops rotating, and the overload protection is realized; when the torque returns to normal, the ball is driven to return under the action of the return of the spring and the slide rod, so that the disc spring is compressed and is engaged with the shell b again, the torque is restored, and the saw blade continues to work;
secondly, a disc spring is matched with a cam coupler to form a safety coupler mechanism, when the torque is abnormal, the cam coupler can generate tooth surface slip, so that a power source is disconnected, overload protection is formed, two insurance is formed with the overload protection of balls, and the disc spring and the cam coupler complement each other to assist the saw blade not to break;
the device is simple in structure, convenient to use and wide in applicability, and compared with the traditional technology, the device is a protection mode for actively preventing fracture, so that the service life of the device is greatly prolonged, and the economic requirement is met.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic illustration of a three-dimensional split structure according to the present invention;
FIG. 3 is a schematic perspective view of the connecting sleeve of the present invention;
FIG. 4 is a schematic perspective view of a housing a according to the present invention;
FIG. 5 is a perspective view of a transmission shaft according to the present invention;
FIG. 6 is a schematic perspective view of a housing b according to the present invention;
fig. 7 is a partially enlarged perspective view of the region a of fig. 6 according to the present invention.
In the figure: 1. a shell a; 101. reinforcing ribs; 102. a bearing; 103. a cam; 2. a drive shaft; 3. a driving roller; 301. a limiting disc; 302. a through hole; 4. a slide bar; 401. a spring; 5. a housing b; 501. teeth; 6. a disc spring; 601. tightening; 7. a ball bearing; 8. a connecting sleeve; 801. a recess groove; 9. a saw blade; 10. a diamond block; 11. a first disc spring; 12. a cam coupling; 13. a tooth-shaped connecting cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, the present invention provides a technical solution: a multistage combined type diamond circular saw blade not prone to fracture comprises two shells a1, the inner side wall of one shell a1 is connected with a transmission shaft 2 in a rotating mode, a transmission roller 3 is welded on the outer surface of the transmission shaft 2, through holes 302 are evenly formed in the outer surface of the transmission roller 3, springs 401 are suitable for the inner side wall of the through holes 302, a sliding rod 4 wraps the inner side wall of each spring 401, the outer surface of each sliding rod 4 is in sliding connection with the inner side wall of the corresponding through hole 302, balls 7 are welded on the outer surface of each sliding rod 4, a shell b5 is welded on the inner side wall of the two shells a1, teeth 501 are evenly and integrally formed on the inner side wall of the shell b5 in an annular mode, the inner side wall of each tooth 501 is matched with the outer surface of the corresponding ball 7, a disc spring 6 is suitable for the inner side wall of the shell b5, a1 is welded on the outer surface of the shell a connecting sleeve 8, a saw blade 9 is welded on the outer surface of the connecting sleeve 8, diamond blocks 10 are evenly embedded in a mode, the front surface of the shell a1 is welded with a first disc spring 11, the front surface of the first disc spring 11 is provided with a cam coupling 12, and the front surface of the cam coupling 12 is provided with a tooth-shaped connecting cylinder 13.
In this embodiment, specifically: the outer surface of the shell a1 is welded with a reinforcing rib 101; the reinforcing ribs 101 may be formed on the shell a1 to improve the bearing capacity and the load resistance, and prevent the metal outer skin from being crushed at a high speed.
In this embodiment, specifically: the front surface of the driving roller 3 is welded to the inner tile of the bearing 102, and the outer tile of the bearing 102 is welded with the inner side wall of the shell a 1; the bearing 102 serves to improve the rotational connection relationship between the driving roller 3 and the case a1, thereby allowing torque to be smoothly transmitted from the driving roller 3 to the case a 1.
In this embodiment, specifically: the front surface and the rear surface of the driving roller 3 are symmetrically welded with two limiting discs 301, and the inner side walls of the limiting discs 301 are matched with the front surface and the rear surface of the balls 7; the limiting plate 301 provides a certain distance of limiting requirement for the ball 7, preventing it from moving a longer distance under the action of the disc spring 6.
In this embodiment, specifically: the inclined plane of the disc spring 6 is forty-five degrees, and the front surface and the rear surface of the driving roller 3 are symmetrically welded with two hoops 601; the disc spring 6 concentrates the centrifugal force on the inclined side, driving the ball 7 to eject the tooth 501, and the band 601 is maintained on a vertical axis for the vertical position between the driving roller 3 and the housing b 5.
In this embodiment, specifically: the inner side wall of the connecting sleeve 8 is annularly provided with a concave groove 801, the outer surface of the shell a1 is annularly provided with a cam 103, and the outer surface of the cam 103 is matched with the inner side wall of the concave groove 801; by the cooperation of the cam 103 and the recess 801, a more stable fit and connection requirement between the connecting sleeve 8 and the housing a1 is achieved.
Working principle or structural principle: a first disc spring 11 is matched with a cam coupler 12 to form a safety coupler mechanism, and a tooth-shaped connecting cylinder 13 is used for connecting the whole device to the output shaft of a servo motor of an angle grinder or a cutting machine;
when the torque of the servo motor is abnormal, so that the rotating speed is too high and the deflection resonance force is too high, a coupling cylinder of the cam coupling 12 can slip on the tooth surface under the clamping of the first disc spring 11, so that the power source is disconnected, and the first overload protection is formed;
the transmission shaft 2 is used as a torque rotating part in the device, and the ball 7 is always engaged with the teeth 501 of the shell b5 to carry out transmission under the action of the plurality of sliding rods 4 matched with the transmission roller 3, so that the saw blade 9 is driven to rotate and carry out cutting operation; when the rotating speed is too high and the deflection resonance force is too high due to abnormal torque, the balls 7 are stretched by the disc spring 6 and are thrown to slip under the action of centrifugal force, and the plurality of balls 7 are subjected to distance adjustment compared with the central axis of the shell a1 and abut against the teeth 501 under the elastic action of the spring 401 of the slide bar 4, so that the shell a1 loses a torque source, the saw blade 9 stops rotating, and overload protection is realized; when the torque returns to normal, the disc spring 6 which is not held by the centrifugal force is reset, the ball 7 is driven to reset under the action of the reset of the spring 401 and the slide rod 4, so that the disc spring 6 is compressed and is meshed with the shell b5 again, the torque is restored, the saw blade 9 continues to work, and a second overload protection is formed through the mechanism;
the device has the advantages of simple structure, convenience in use and wide applicability, and compared with the traditional technology, the device is a protection mode for actively preventing fracture, so that the service life of the device is greatly prolonged, and the economic requirement is met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a difficult cracked diamond circular saw piece of multistage combination formula, includes two casings a (1), its characterized in that: the inside wall of casing a (1) rotates and is connected with transmission shaft (2), the outer skin weld of transmission shaft (2) has driving roller (3), through-hole (302) have evenly been seted up to the surface of driving roller (3), the inside wall of through-hole (302) is adapted with spring (401), the inside wall cladding of spring (401) has slide bar (4), the surface of slide bar (4) with the inside wall sliding connection of through-hole (302), the skin weld of slide bar (4) has ball (7), two the inside wall welding of casing a (1) has casing b (5), the even integrated into one piece of inside wall annular of casing b (5) has tooth (501), the inside wall of tooth (501) with the surface looks adaptation of ball (7), the inside wall of casing b (5) is adapted to disc spring (6), the outer surface welding of casing a (1) has connecting sleeve (8), the outer surface welding of connecting sleeve (8) has saw bit (9), the even scarf joint of surface of saw bit (9) has diamond piece (10).
2. The multi-stage combined diamond circular saw blade not prone to fracture as claimed in claim 1, wherein: and a reinforcing rib (101) is welded on the outer surface of the shell a (1).
3. The multi-stage combined diamond circular saw blade not prone to fracture as claimed in claim 1, wherein: the front surface of the driving roller (3) is welded on an inner tile of a bearing (102), and an outer tile of the bearing (102) is welded on the inner side wall of the shell a (1).
4. The multi-stage combined diamond circular saw blade not prone to fracture as claimed in claim 1, wherein: the front surface and the back surface of driving roller (3) are symmetrically welded with two limiting discs (301), and the inner side wall of each limiting disc (301) is matched with the front surface and the back surface of each ball (7).
5. The multi-stage combined diamond circular saw blade not prone to fracture as claimed in claim 1, wherein: the inclined plane of dish spring (6) is forty-five degrees, the front surface of driving roller (3) has two hoops (601) with the back surface symmetry welding.
6. The multi-stage combined diamond circular saw blade not prone to fracture as claimed in claim 1, wherein: the connecting sleeve is characterized in that a concave groove (801) is annularly formed in the inner side wall of the connecting sleeve (8), a cam (103) is annularly formed in the outer surface of the shell a (1), and the outer surface of the cam (103) is matched with the inner side wall of the concave groove (801).
7. The multi-stage combined diamond circular saw blade not prone to fracture as claimed in claim 1, wherein: the front surface welding of casing a (1) has first dish leaf spring (11), the preceding surface mounting of first dish leaf spring (11) has cam shaft coupling (12), the preceding surface mounting of cam shaft coupling (12) has the profile of tooth to connect a section of thick bamboo (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121518325.0U CN216031703U (en) | 2021-07-05 | 2021-07-05 | Multi-stage combined type diamond circular saw blade not prone to fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121518325.0U CN216031703U (en) | 2021-07-05 | 2021-07-05 | Multi-stage combined type diamond circular saw blade not prone to fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216031703U true CN216031703U (en) | 2022-03-15 |
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ID=80617292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121518325.0U Expired - Fee Related CN216031703U (en) | 2021-07-05 | 2021-07-05 | Multi-stage combined type diamond circular saw blade not prone to fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216031703U (en) |
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2021
- 2021-07-05 CN CN202121518325.0U patent/CN216031703U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220315 |