CN220006112U

CN220006112U - Hard alloy hole saw

Info

Publication number: CN220006112U
Application number: CN202321512582.2U
Authority: CN
Inventors: 韩祖伟
Original assignee: Hangzhou Xinweiye Tools Co ltd
Current assignee: Hangzhou Xinweiye Tools Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-11-14
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to the technical field of hole saw equipment, and discloses a hard alloy hole saw, which comprises the following components: the main part, the chip removal hole has been seted up in the main part outside, the chip removal hole runs through the main part and extends to inside, the extension hole has been seted up in main part outside center department, the extension hole runs through the main part and extends to inside, the inside connecting block that is provided with of main part, the inside connecting block that is provided with of extension hole, the downthehole wall and the connecting block outside fixed connection of extending, the inside spring that is provided with of connecting block, the fixed block right side is provided with the stopper, the fixed block inboard is with stopper surface fixed connection, the inboard fixedly connected with spring of stopper. According to the utility model, the grinding block is arranged, the fixed block in the extension hole is thrown out by the centrifugal force of the rotation of the main body after the cutting is finished, and then the grinding block is contacted with the cut after the cutting to carry out grinding treatment, so that the cost of manual grinding can be reduced, and the working efficiency is improved.

Description

Hard alloy hole saw

Technical Field

The utility model relates to the technical field of hole saw equipment, in particular to a hard alloy hole saw.

Background

Hole saws, also known as Kong Guangju, are rotary cutting tools used to cut circular holes in the surface of a material. It generally consists of a handle and a saw blade with an edge of the blade being a row of parallel teeth for cutting material. Hole saws are generally made of various materials, including high-speed steel, hard alloy, tungsten steel, steel wires and the like, and the working principle of the hole saw is that the tooth edge of a saw blade is placed on the surface of a material to be cut, then the material is cut through the rotation of the saw blade, and the conventional hard alloy hole saw needs to manually polish the cutting position after cutting is completed, so that the time and the labor are consumed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a hard alloy hole saw.

The utility model is realized by adopting the following technical scheme: a cemented carbide hole saw comprising: the main part, the main part outside has set up the chip removal hole, the chip removal hole runs through the main part and extends to inside, main part outside center department has seted up the extension hole, the extension hole runs through the main part and extends to inside, the inside connecting block that is provided with of main part, the inside connecting block that is provided with of extension hole, the downthehole wall and the outside fixed connection of connecting block extend, the inside fixed block that is provided with of hole, the fixed block outside is provided with the sanding block, both sides are provided with the sloping block about the fixed block, fixed block surface and the inboard fixed connection of sloping block, the inside spacing groove that is provided with of connecting block, the inside spring that is provided with of connecting block, the fixed block right side is provided with the stopper, the inside and stopper surface fixed connection of fixed block, the inboard fixedly connected with spring of stopper.

Through the technical scheme, the polishing block can be thrown out of the main body center drill to polish the cut position, and secondary polishing is not needed after finishing.

As a further improvement of the scheme, a central drill is arranged at the center of the inside of the main body, the central drill fixedly penetrates through the main body and extends to the outer side, a blade is fixedly connected to the bottom of the main body, a groove is formed in the bottom of the main body, and a connecting plate is arranged at the top of the main body.

Through above-mentioned technical scheme, make the blade carry out cutting treatment to the material through main part 1 rotation, the connecting plate is used for carrying out the connection with main part rather than fixed, and the connecting rod transmission power of being convenient for makes the main part drive rotatory.

As a further improvement of the scheme, the top of the main body is connected with the bottom of the connecting plate in a direction, a fixing bolt is arranged in the main body, penetrates through the main body and the connecting plate and extends to the outer side, and a fixing ring is arranged at the top of the connecting plate.

Through above-mentioned technical scheme, carry out fixed processing between connecting plate and the main part through the cooperation of fixing bolt and solid fixed ring.

As a further improvement of the scheme, a saw handle is arranged at the center of the top of the main body, a connecting rod is arranged at the bottom of the saw handle, and internal angle fixing threads are arranged inside the connecting rod.

Through above-mentioned technical scheme, the power device is being connected at the top of connecting rod, can dismantle the change with the main part through interior angle fixed screw thread and make things convenient for the technicians to maintain it.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the grinding block is arranged, the fixed block in the extension hole is thrown out by the centrifugal force of the rotation of the main body after the cutting is finished, and then the grinding block is contacted with the cut after the cutting to carry out grinding treatment, so that the cost of manual grinding can be reduced, and the working efficiency is improved.

According to the utility model, through arranging the chip removal holes, the cutter blade at the bottom of the main body is contacted and cut with the gear after the center drill is downwards arranged, and the waste materials after cutting are discharged through the chip removal holes, so that the phenomenon that the work is difficult due to accumulation is prevented, and the phenomenon that the work cannot be performed due to accumulation is prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an internal angle fixing thread structure according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the main body of the present utility model;

fig. 4 is a schematic view of the internal cross-sectional structure of the integral connection block of the present utility model.

Main symbol description:

1. a main body; 101. a center drill; 102. chip removal holes; 103. an extension hole; 104. a groove; 105. a blade; 2. a connecting rod; 201. a saw handle; 202. a connecting plate; 204. a fixing ring; 205. internal angle fixing threads; 207. a fixing bolt; 3. a connecting block; 301. polishing the block; 302. a fixed block; 303. a tilting block; 304. a limiting block; 305. a limit groove; 306. and (3) a spring.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Examples:

referring to fig. 1-4, a cemented carbide hole saw of the present embodiment includes: the main part 1, the main part 1 outside has set up the chip removal hole 102, chip removal hole 102 runs through main part 1 and extends to inside, main part 1 outside center department has set up extension hole 103, extension hole 103 runs through main part 1 and extends to inside, main part 1 inside is provided with connecting block 3, extension hole 103 inner wall and connecting block 3 outside fixed connection, extension hole 103 inside is provided with fixed block 302, the fixed block 302 outside is provided with the sanding block 301, both sides are provided with sloping block 303 about the fixed block 302, fixed block 302 surface and the inboard fixed connection of sloping block 303, connecting block 3 inside is provided with spacing groove 305, connecting block 3 inside is provided with spring 306, fixed block 302 right side is provided with stopper 304, fixed block 302 inboard and stopper 304 outside fixed connection, the inboard fixed connection of stopper 304 is provided with the spring, the centrifugal force through main part 1 rotation will be in extension hole 103 after the cutting is accomplished, then make the sanding block 301 and cut the incision that cuts that the completion contact and polish it, can reduce the cost of manual work and improve the sanding, through center bore 101 downwards then make the bottom of main part 1 and the blade 105 and the gear cut the cutting blade that makes and the cutting blade that the cutting completion carry out and carry out the difficult phenomenon that the chip removal is difficult to cause the pile up to appear because the chip removal hole 102 is formed.

The center of the inside of the main body 1 is provided with a center drill 101, the center drill 101 fixedly penetrates through the main body 1 and extends to the outer side, and the bottom of the main body 1 is fixedly connected with a blade 105.

The bottom of the main body 1 is provided with a groove 104, and the top of the main body 1 is provided with a connecting plate 202.

The top of the main body 1 is connected with the bottom of the connecting plate 202, and a fixing bolt 207 is arranged inside the main body 1.

A fixing bolt 207 penetrates the main body 1 and the connection plate 202 and extends to the outside, and a fixing ring 204 is provided on the top of the connection plate 202.

The center of the top of the main body 1 is provided with a saw handle 201, the bottom of the saw handle 201 is provided with a connecting rod 2, and the inside of the connecting rod 2 is provided with an internal angle fixing thread 205.

The implementation principle of the hard alloy hole saw in the embodiment of the utility model is as follows: the worker will start the main body 1 and then contact the center drill 101 with the material, then go down through the center drill 101 and then make the blade 105 at the bottom of the main body 1 contact with the gear for cutting, the waste material after cutting is discharged through the chip discharging hole 102 to prevent the accumulation from causing work difficulty, after cutting is finished, the fixed block 302 in the extending hole 103 is thrown out through the centrifugal force of the rotation of the main body 1, then the grinding block 301 is contacted with the cut after cutting to polish the fixed block 302, the limiting block 304 arranged in the connecting block 3 is used for preventing the fixed block 302 from being thrown out, after polishing is finished, the main body 1 stops rotating, then the spring 306 begins to rebound to pull the fixed block 302 inwards to reset the fixed block, the connecting plate 202 at the top is used for connecting with the main body 1 and transmits power to rotate the main body 1 through the connecting rod 2 at the top, and if the main body 1 is to be replaced, the main body 1 can be replaced only by disassembling the internal angle fixing thread 205 at the joint of the saw handle 201 and the connecting rod 2.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. A cemented carbide hole saw, comprising: the novel chip removing device comprises a main body (1), chip removing holes (102) are formed in the outer side of the main body (1), the chip removing holes (102) penetrate through the main body (1) and extend to the inside, extension holes (103) are formed in the outer side center of the main body (1), the extension holes (103) penetrate through the main body (1) and extend to the inside, connecting blocks (3) are arranged in the main body (1), connecting blocks (3) are arranged in the extension holes (103), fixing blocks (302) are arranged in the extension holes (103), grinding blocks (301) are arranged in the outer side of the fixing blocks (302), inclined blocks (303) are arranged on the upper side and the lower side of the fixing blocks (302), limiting grooves (305) are formed in the inner side of the connecting blocks (3), springs (306) are arranged in the inner side of the connecting blocks (3), limiting blocks (304) are arranged on the right side of the fixing blocks (302), and the inner sides of the fixing blocks (302) are fixedly connected with the limiting blocks (302) through the limiting blocks (306).

2. A cemented carbide hole saw according to claim 1, wherein a centre drill (101) is arranged in the centre of the interior of the main body (1), the centre drill (101) being fixedly arranged through the main body (1) and extending to the outside, the bottom of the main body (1) being fixedly connected with a blade (105).

3. A cemented carbide hole saw according to claim 1, wherein the bottom of the body (1) is provided with a groove (104) and the top of the body (1) is provided with a connecting plate (202).

4. A cemented carbide hole saw according to claim 1, wherein the top of the body (1) is connected to the bottom of the connection plate (202), and wherein a fixing bolt (207) is arranged inside the body (1).

5. A cemented carbide hole saw according to claim 4, wherein the fixing bolt (207) extends through the body (1) and the connection plate (202) and to the outside, the top of the connection plate (202) being provided with a fixing ring (204).

6. A cemented carbide hole saw according to claim 1, wherein the body (1)

A saw handle (201) is arranged at the center of the top, a connecting rod (2) is arranged at the bottom of the saw handle (201),

an internal angle fixing thread (205) is arranged inside the connecting rod (2).