CN215588019U

CN215588019U - Clamping and connecting mechanism for saw blade and saw blade support shaft

Info

Publication number: CN215588019U
Application number: CN202121037139.5U
Authority: CN
Inventors: 张邦兆
Original assignee: Shuyang Qiangwei Tools Co ltd
Current assignee: Shuyang Qiangwei Tools Co ltd
Priority date: 2021-05-15
Filing date: 2021-05-15
Publication date: 2022-01-21
Anticipated expiration: 2031-05-15

Abstract

The utility model discloses a clamping and connecting mechanism of a saw blade and a saw blade supporting shaft, which comprises the supporting shaft and the saw blade, wherein a fixed disc is welded on the supporting shaft, the saw blade and a limiting disc are sequentially sleeved on one side of the supporting shaft, which is positioned on the fixed disc, a boss is welded on the outer side of the supporting shaft on one side wall of the fixed disc, which is close to the saw blade, a positioning rod penetrating through the saw blade and the limiting disc is welded on the front surface of the boss, and a limiting nut is connected with the outer side of the limiting disc at one end of the positioning rod, which is far away from the boss, through threads. According to the clamping and connecting mechanism of the saw blade and the saw blade supporting shaft, the saw blade is clamped and fixed on the supporting shaft through the limiting disc and the fixing piece, the saw blade is limited in an auxiliary mode through the positioning rod arranged on the boss and penetrating through the positioning hole formed in the saw blade, the saw blade is prevented from rotating, and then the saw blade is connected with the rod seat on the outer wall of the saw blade through the reinforcing pipe, so that the saw blade can be further limited, the saw blade is prevented from rotating, the saw blade can be reinforced, and the strength of the saw blade is improved.

Description

Clamping and connecting mechanism for saw blade and saw blade support shaft

Technical Field

The utility model relates to the technical field of saw blades, in particular to a clamping and connecting mechanism for a saw blade and a saw blade supporting shaft.

Background

Saw blades are a general term for thin circular cutters used to cut solid materials. The saw blade can be divided into: a diamond saw blade for stone cutting; a high-speed steel saw blade (without a cemented carbide bit) for cutting metal materials; the hard alloy saw blade is used for cutting solid wood, furniture, artificial boards, aluminum alloy, aluminum profiles, radiators, plastics, plastic steel and the like.

The centre gripping coupling mechanism of current saw bit and saw bit back shaft simple structure, lack the spacing processing to the saw bit, lead to the saw bit easily to send the rotation, influence the stability of its use, the centre gripping coupling mechanism of current saw bit and saw bit back shaft also can set up the registration lever that runs through the saw bit on fixture and advance line location to the saw bit and prevent the rotation, the in-process of using alone, single dependence registration lever advances line location to the saw bit, the registration lever atress is great, easy deformation damages, secondly lack the reinforced structure to the saw bit, the saw bit easily collapses garrulous or the fracture, influence the life of saw bit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping and connecting mechanism of a saw blade and a saw blade supporting shaft, wherein the saw blade is clamped and fixed on the supporting shaft through a limiting disc and a fixing piece, the saw blade is subjected to auxiliary limiting through a positioning rod arranged on a boss and penetrating through a positioning hole arranged on the saw blade, so that the saw blade is prevented from rotating, and then the saw blade is connected with a rod seat on the outer wall of the saw blade through a reinforcing pipe, so that the saw blade can be further limited, the saw blade is prevented from rotating, the saw blade can be reinforced, the strength of the saw blade is improved, the saw blade is prevented from being broken and cracked, the service life of the saw blade is prolonged, the stress strength of the positioning rod is also reduced, and the positioning rod is prevented from being deformed and damaged.

In order to achieve the purpose, the utility model adopts the following technical scheme: a clamping and connecting mechanism for a saw blade and a saw blade support shaft, comprising: a support shaft and a saw blade;

the saw blade limiting device is characterized in that a fixed disc is welded on the supporting shaft, a saw blade and a limiting disc are sequentially sleeved on one side, located on the fixed disc, of the supporting shaft, a boss is welded on the outer side, located on the supporting shaft, of one side wall, close to the saw blade, of the fixed disc, a positioning rod penetrating through the saw blade and the limiting disc is welded on the front surface of the boss, and a limiting nut is connected to the outer side, located on the limiting disc, of one end, far away from the boss, of the positioning rod in a threaded mode;

the utility model discloses a saw blade, including boss, saw bit, reinforcing bar, pole seat, threaded groove, the welding has the reinforcing bar with locating lever mutually perpendicular on the boss exterior surface wall, the welding has the pole seat that the cooperation reinforcing bar used on the outer wall of saw bit, pole seat outer wall center department has seted up the pole groove, the both sides that lie in the pole groove on the pole seat outer wall have seted up the threaded groove, the welding has the fixed block on the reinforcing bar, and threaded connection has the fixing bolt that the cooperation threaded groove used on the fixed block.

As a further description of the above technical solution:

the saw blade is characterized in that a shaft hole matched with the supporting shaft is formed in the center of the saw blade, and four positioning holes distributed in an annular shape are formed in the periphery of the outer side of the shaft hole in the saw blade.

As a further description of the above technical solution:

the positioning hole is matched with the positioning rod.

As a further description of the above technical solution:

the reinforcing rods are four in number, the four reinforcing rods are distributed in an annular mode, and an included angle of ninety degrees is formed between every two adjacent reinforcing rods.

As a further description of the above technical solution:

the external diameter of spacing dish and fixed disk equals, and the outer neck of spacing dish and fixed disk all is less than the external diameter of saw bit.

The utility model provides a clamping and connecting mechanism for a saw blade and a saw blade supporting shaft. The method has the following beneficial effects:

this a centre gripping coupling mechanism of saw bit and saw bit back shaft, fix the saw bit centre gripping on the back shaft through spacing dish and stationary blade, the locating lever that sets up on through the boss runs through the locating hole that sets up on the saw bit and assists spacingly to the saw bit, prevent it from taking place the rotation, secondly be connected through the pole socket on reinforcing pipe and the saw bit outer wall, can further carry on spacingly to the saw bit, prevent it from taking place the rotation, and can consolidate the saw bit, improve the intensity of saw bit, prevent that the saw bit from sending and collapsing garrulous fracture phenomenon, the service life of saw bit has been improved, the stress intensity of locating lever has also been reduced, prevent that the locating lever from deforming and damaging.

Drawings

FIG. 1 is a front view of a clamping and connecting mechanism for a saw blade and a saw blade support shaft according to the present invention;

FIG. 2 is a schematic view of the structure of the saw blade of the present invention;

FIG. 3 is a schematic view of the construction of the support shaft according to the present invention;

FIG. 4 is a schematic view showing the structure of a reinforcing bar according to the present invention;

fig. 5 is a schematic structural view of the lever base of the present invention.

Illustration of the drawings:

1. a support shaft; 11. a shaft hole; 2. fixing the disc; 3. a boss; 4. a saw blade; 5. a limiting disc; 6. a reinforcing rod; 61. a fixed block; 62. fixing the bolt; 7. a rod seat; 71. a rod groove; 72. a thread groove; 8. positioning a rod; 81. positioning holes; 9. and a limiting nut.

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.

Referring to fig. 1 to 5, a clamping and connecting mechanism of a saw blade and a saw blade support shaft includes: a support shaft 1 and a saw blade 4;

a fixed disc 2 is welded on the supporting shaft 1, a saw blade 4 and a limiting disc 5 are sequentially sleeved on one side, located on the fixed disc 2, of the supporting shaft 1, a boss 3 is welded on one side wall, close to the saw blade 4, of the fixed disc 2 and located on the outer side of the supporting shaft 1, a positioning rod 8 penetrating through the saw blade 4 and the limiting disc 5 is welded on the front surface of the boss 3, and a limiting nut 9 is in threaded connection with the outer side, located on the limiting disc 5, of one end, far away from the boss 3, of the positioning rod 8;

the welding has the anchor strut 6 with 8 mutually perpendicular's of locating lever on the boss 3 outer surface wall, and the welding has the pole socket 7 that cooperation anchor strut 6 used on the outer wall of saw bit 4, and pole groove 71 has been seted up to pole socket 7 outer wall center department, and the thread groove 72 has been seted up to the both sides that lie in pole groove 71 on the pole socket 7 outer wall, and the welding has fixed block 61 on the anchor strut 6, and threaded connection has the fixing bolt 62 that cooperation thread groove 72 used on the fixed block 61.

The central position of the saw blade 4 is provided with a shaft hole 11 matched with the supporting shaft 1 for use, and four positioning holes 81 distributed in an annular shape are formed around the outer side of the shaft hole 11 on the saw blade 4.

The positioning hole 81 is matched with the positioning rod 8.

The reinforcing rods 6 are four in number, the four reinforcing rods 6 are distributed annularly, and an included angle of ninety degrees is formed between every two adjacent reinforcing rods 6.

The outer diameters of the limiting disc 5 and the fixed disc 2 are equal, and the outer necks of the limiting disc 5 and the fixed disc 2 are smaller than the outer diameter of the saw blade 4.

The working principle is as follows: this a saw bit and centre gripping coupling mechanism of saw bit back shaft use, at first cup joint saw bit 4 through shaft hole 11 and fix on back shaft 1 with the boss 3 of setting on fixed disk 2 laminate each other, make the locating lever 8 that sets up on the boss 3 run through saw bit 4 through the locating hole 81 and extend to the outside, then with the 6 joints of the anchor strut that sets up on the boss 3 in the pole groove 71 that sets up on rod seat 7, then turn to the threaded groove 72 of seting up on fixing bolt 62 on the fixed block 61 and the rod seat 7 and be connected, accomplish the connection between 6 utensil rod seats 7 of anchor strut and fix, cup joint spacing dish 5 again and lie in one side that fixed disk 2 was kept away from to saw bit 4 on back shaft 1, make locating lever 8 run through spacing dish 5 and extend to the outside, again with locating lever 8 through stop nut 9 and spacing dish 5 reciprocal anchorage can.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a saw bit and centre gripping coupling mechanism of saw bit back shaft which characterized in that includes: a support shaft (1) and a saw blade (4);

the supporting shaft (1) is welded with a fixed disc (2), one side, located on the fixed disc (2), of the supporting shaft (1) is sequentially sleeved with a saw blade (4) and a limiting disc (5), a boss (3) is welded on the outer side, located on the supporting shaft (1), of one side wall, close to the saw blade (4), of the fixed disc (2), a positioning rod (8) penetrating through the saw blade (4) and the limiting disc (5) is welded on the front surface of the boss (3), and one end, far away from the boss (3), of the positioning rod (8) is located on the outer side of the limiting disc (5) and is in threaded connection with a limiting nut (9);

the welding has the anchor strut (6) with locating lever (8) mutually perpendicular on boss (3) outer table wall, the welding has pole socket (7) that cooperation anchor strut (6) used on the outer wall of saw bit (4), pole socket (7) outer wall center department has seted up pole groove (71), threaded groove (72) have been seted up to the both sides that lie in pole groove (71) on pole socket (7) outer wall, the welding has fixed block (61) on anchor strut (6), and threaded connection has fixing bolt (62) that cooperation threaded groove (72) used on fixed block (61).

2. The clamping and connecting mechanism for the saw blade and the saw blade supporting shaft is characterized in that the saw blade (4) is provided with a shaft hole (11) at the center for matching with the supporting shaft (1), and four positioning holes (81) distributed in an annular shape are formed on the saw blade (4) around the outer side of the shaft hole (11).

3. A saw blade and blade support shaft clamping attachment as claimed in claim 2, characterized in that said positioning hole (81) is adapted to the positioning rod (8).

4. The clamping and connecting mechanism for the saw blade and the saw blade supporting shaft is characterized in that the number of the reinforcing rods (6) is four, the four reinforcing rods (6) are distributed in a ring shape, and an included angle of ninety degrees is formed between every two adjacent reinforcing rods (6).

5. The clamping and connecting mechanism for the saw blade and the supporting shaft of the saw blade as claimed in claim 1, wherein the outer diameters of the limiting disc (5) and the fixed disc (2) are equal, and the outer necks of the limiting disc (5) and the fixed disc (2) are smaller than the outer diameter of the saw blade (4).