CN219503752U

CN219503752U - Hole saw with guide chip groove structure

Info

Publication number: CN219503752U
Application number: CN202320265927.2U
Authority: CN
Inventors: 沈水良; 沈海滨
Original assignee: Hangzhou Xiaoshan Jiajia Tools Co ltd
Current assignee: Hangzhou Xiaoshan Jiajia Tools Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-11
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a hole saw with a chip guide groove structure, and relates to the technical field of hole saws. According to the utility model, through the matching arrangement of the driving motor, the driving shaft, the connecting component and the shell, the drill rod and the drill bit can be driven to rotate for drilling, when waste scraps in the shell need to be removed, the electric push rod stretches out to push the push plate to move downwards through the matching arrangement of the push plate, the reset spring, the electric push rod and the scrap guide groove, and in the process, the waste scraps can be ejected out of the shell, so that the use effect of the hole saw is prevented from being influenced by accumulation of the waste scraps as much as possible.

Description

Hole saw with guide chip groove structure

Technical Field

The utility model relates to the technical field of hole saws, in particular to a hole saw with a chip guide groove structure.

Background

The hole saw can cut very hard substances, such as hardened steel, cast iron, brick and the like, a shaft made of carbon steel is matched with the centering drill, the hole saw can also cut metal sheets, plastics, plexiglas, PVC, synthetic boards, plasterboards and the like, the hole saw is used for drilling holes or drilling holes, the hole saw can also be used for grinding burrs in an automatic rust-proof process, the hole saw needs to be connected with a rotary driving part through a connecting rod, and the hole saw is driven to rotate through the rotary driving part so as to realize the hole opening operation.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, and Chinese patent publication No. CN217316027U discloses a forward-rotating punching reverse-rotation automatic chip removal hole saw, the hole saw realizes punching operation through mutual matching among an internal thread push ring, a spring, a drill rod and threads, when the hole saw rotates forward, the spiral cylinder is only required to be positioned by hands and rotates reversely when the scraps in the spiral cylinder need to be removed, a central drill component rotates reversely along with the spiral cylinder, the internal thread push ring moves downwards along the drill rod under the action of the threads, the scraps are ejected out of the spiral cylinder in the process, the forward-rotation punching reverse-rotation automatic chip removal is realized, the blockage is avoided, the work efficiency is improved, but the hole saw needs a worker to manually position the spiral cylinder during chip removal, and the structure capable of realizing automatic chip removal is lacking, and the practicability is poor.

Disclosure of Invention

In order to solve the problems that the hole saw needs a worker to manually position the spiral cylinder during chip removal and reversely rotate the connecting rod, the structure capable of automatically guiding chips is lacking, and the practicability is poor, the utility model provides the hole saw with the chip guiding groove structure.

The utility model provides a hole saw with a chip guide groove structure, which adopts the following technical scheme:

the utility model provides a hole saw with lead bits groove structure, includes driving motor, driving motor's top is provided with installation component, driving motor's power take off installs the drive shaft, driving shaft's bottom is provided with coupling assembling, one side of coupling assembling is provided with spacing subassembly, the casing is installed to coupling assembling's bottom, the edge of casing bottom is connected with the sawtooth, lead bits groove has been seted up to casing outer wall's lower extreme equidistant, electric putter is all installed at the both ends at casing inner chamber top, two sets of electric putter's output installs the push pedal, the center department of push pedal wears to have the drilling rod, the center department of push pedal seted up with the through-hole of drilling rod mutual match, the bottom of push pedal is connected with reset spring, reset spring cover is established the outer wall of drilling rod, the top of drilling rod with coupling assembling's bottom is connected with the drill bit.

Optionally, a sliding component is arranged between the push plate and the shell, the sliding component comprises two groups of pulleys, the pulleys are installed at two ends of the push plate, sliding rails are arranged at two sides of an inner cavity of the shell, and the sliding rails are in rolling connection with the pulleys.

Through adopting above-mentioned technical scheme, can drive the pulley and roll in the slide rail when the push pedal removes for the push pedal is more smooth and easy when removing.

Optionally, the installation component includes the mount pad, the mount pad is installed driving motor's top, the connecting plate is all installed to the both sides of mount pad, two sets of the locking bolt is all worn to be equipped with at the top of connecting plate.

Through adopting above-mentioned technical scheme, through wearing to establish the lock bolt in the connecting plate, conveniently with whole hole saw fixed mounting in suitable position.

Optionally, the connecting assembly includes the connection cell body, the connection cell body is installed the top of casing, the top of drilling rod install with connection cell body grafting complex connecting block.

Through adopting above-mentioned technical scheme, peg graft the connecting block to in the connecting groove to the convenience is installed drilling rod and drill bit on the casing.

Optionally, the spacing subassembly includes the fixed plate, the fixed plate is installed the top of casing, the fixed plate is close to the one end of connecting slot body is connected with positioning spring, positioning spring keeps away from the mounting panel is installed to the one end of fixed plate, the mounting panel is kept away from positioning spring's one end is connected with the gag lever post, the right side of connecting block seted up with gag lever post grafting complex spacing groove.

Through adopting above-mentioned technical scheme, under the elasticity effect of location spring, the mounting panel removes towards the connecting groove body direction to drive the mount pad and peg graft to in the locking bolt, conveniently lock fixedly with the connecting block through the mount pad, make the connecting groove body more fasten when connecting with the connecting block.

Optionally, a deflector rod is connected to the top of the mounting plate.

By adopting the technical scheme, the hand-held shifting lever prescription pulls the mounting plate to move.

Optionally, a guide assembly is arranged between the mounting plate and the shell, the guide assembly comprises a guide block, the guide block is mounted at the bottom of the mounting plate, a guide groove is formed in the top of the shell, and the guide block is in sliding connection with the guide groove.

Through adopting above-mentioned technical scheme, can drive the guide block and roll in the guide way when the mounting panel removes to make the mounting panel more stable when removing, avoid the condition that the gag lever post appears the skew as far as possible.

In summary, the present utility model includes at least one of the following beneficial effects:

(1) Through the cooperation setting of driving motor, drive shaft, coupling assembling and casing to can drive drilling rod and drill bit rotation and carry out drilling work, when the inside sweeps of casing need be clear away, through push pedal, reset spring, electric putter and the cooperation setting of leading the bits groove, electric putter stretches out the push pedal and moves down, in-process can be with the inside of the ejecting casing of sweeps, avoids the sweeps to pile up the result of use that influences the hole saw as far as possible.

(2) Through the cooperation setting of connecting tank body, connecting block and spacing subassembly, peg graft the connecting block to in the connecting tank body to it is fixed with the connecting block locking through spacing subassembly, thereby make things convenient for the staff to fix the hole saw of different specifications on the casing fast, improved the universality of this hole saw.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is a schematic diagram of the structure a in fig. 1 according to the present utility model.

In the figure: 1. a driving motor; 2. a drive shaft; 3. a connection assembly; 301. a connecting groove body; 302. a connecting block; 4. a housing; 5. a push plate; 6. a return spring; 7. a drill rod; 8. a drill bit; 9. saw teeth; 10. a sliding assembly; 1001. a slide rail; 1002. a pulley; 11. a through hole; 12. an electric push rod; 13. a mounting assembly; 1301. a locking bolt; 1302. a mounting base; 1303. a connecting plate; 14. a deflector rod; 15. a limit component; 1501. a limit groove; 1502. a limit rod; 1503. a mounting plate; 1504. a positioning spring; 1505. a fixing plate; 16. a chip guiding groove; 17. a guide assembly; 1701. a guide block; 1702. a guide groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1 and 2 of the drawings, one embodiment of the present utility model is provided: the utility model provides a hole saw with lead bits groove structure, includes driving motor 1, and driving motor 1's top is provided with installation component 13, and installation component 13 includes mount pad 1302, and mount pad 1302 fixed mounting is at driving motor 1's top, and the equal fixed mounting in both sides of mount pad 1302 has connecting plate 1303, and locking bolt 1301 is all worn to be equipped with at the top of two sets of connecting plates 1303. By threading the locking bolts 1301 into the connection plates 1303, it is convenient to fixedly mount the entire hole saw in place.

Referring to fig. 1 of the drawings, a driving shaft 2 is installed at a power output end of a driving motor 1, a connecting component 3 is arranged at the bottom of the driving shaft 2, a limit component 15 is arranged on one side of the connecting component 3, a shell 4 is installed at the bottom of the connecting component 3, a plurality of saw teeth 9 are connected at the edge of the bottom of the shell 4, a plurality of chip guide grooves 16 are formed at the lower end of the outer wall of the shell 4 at equal intervals, electric push rods 12 are installed at two ends of the top of an inner cavity of the shell 4, push plates 5 are installed at the output ends of the two groups of the electric push rods 12, a sliding component 10 is arranged between the push plates 5 and the shell 4, the sliding component 10 comprises two groups of pulleys 1002, the pulleys 1002 are rotatably installed at two ends of the push plates 5, sliding rails 1001 are formed at two sides of the inner cavity of the shell 4, and the sliding rails 1001 are in rolling connection with the pulleys 1002. When the push plate 5 moves, the pulley 1002 can be driven to roll in the sliding rail 1001, so that the push plate 5 moves more smoothly.

Please see fig. 1 and 3 in the drawing of the specification, the drill rod 7 is penetrated in the center of the push plate 5, the through hole 11 matched with the drill rod 7 is formed in the center of the push plate 5, the reset spring 6 is fixedly connected to the bottom of the push plate 5, the reset spring 6 is sleeved on the outer wall of the drill rod 7, the top of the drill rod 7 is connected with the bottom of the connecting component 3, the drill bit 8 is fixedly connected to the bottom of the drill rod 7, the connecting component 3 comprises a connecting groove 301, the connecting groove 301 is arranged at the top of the shell 4, and the connecting block 302 matched with the connecting groove 301 in an inserting manner is arranged at the top of the drill rod 7. The connection block 302 is inserted into the connection groove 301, thereby facilitating the installation of the drill rod 7 and the drill bit 8 on the housing 4.

Referring to fig. 1 and 3 of the drawings, the limiting assembly 15 includes a fixing plate 1505, the fixing plate 1505 is fixedly mounted on the top of the housing 4, one end of the fixing plate 1505, which is close to the connecting slot 301, is connected with a positioning spring 1504, one end of the positioning spring 1504, which is far away from the fixing plate 1505, is slidably mounted with a mounting plate 1503, one end of the mounting plate 1503, which is far away from the positioning spring 1504, is connected with a limiting rod 1502, and a limiting slot 1501, which is in plug connection with the limiting rod 1502, is formed on the right side of the connecting block 302. Under the action of the elastic force of the positioning spring 1504, the mounting plate 1503 moves towards the direction of the connecting groove 301, so that the mounting seat 1302 is driven to be inserted into the locking bolt 1301, the connecting block 302 is conveniently locked and fixed through the mounting seat 1302, and the connecting groove 301 and the connecting block 302 are fastened when connected. A lever 14 is fixedly attached to the top of mounting plate 1503. Holding the lever 14 pulls the mounting plate 1503.

Referring to fig. 1 and 3 of the drawings, a guide assembly 17 is disposed between a mounting plate 1503 and a housing 4, the guide assembly 17 includes a guide block 1701, the guide block 1701 is mounted at the bottom of the mounting plate 1503, a guide slot 1702 is provided at the top of the housing 4, and the guide block 1701 is slidably connected to the guide slot 1702. When mounting plate 1503 moves, guide block 1701 can be driven to roll in guide groove 1702, so that mounting plate 1503 is more stable when moving, and the condition that limit rod 1502 is offset is avoided as much as possible.

Working principle: when using this hole saw, install this hole saw in suitable place through lock bolt 1301 and connecting plate 1303, external power supply, start driving motor 1, driving motor 1 drives coupling assembling 3 through drive shaft 2 and rotates, coupling assembling 3 rotates and drives casing 4 and drill bit 8 and rotate, carry out drilling processing to the work piece, the sweeps that produce in the course of working can stay in the inside of casing 4, when the sweeps need be cleared up, start electric putter 12, electric putter 12 stretches out and promotes push pedal 5 and move down along casing 4, reset spring 6 is compressed at this moment, push pedal 5 can be with the inside of sweeps ejecting casing 4 of in the in-process of moving down, avoid sweeps to pile up the result of use that influences the hole saw as far as possible, after the clearance is accomplished, close electric putter 12, reset spring 6's elasticity effect makes push pedal 5 reset fast.

When the drill bit 8 of other specifications needs to be replaced, a worker holds the deflector rod 14 to pull rightwards, the deflector rod 14 drives the mounting plate 1503 to move rightwards to stretch the positioning spring 1504, so that the limiting rod 1502 can be driven to move rightwards to be separated from the limiting groove 1501, the drill bit 8 is pulled downwards at the moment, the drill bit 8 drives the connecting block 302 to move downwards through the drill rod 7, the connecting block 302 is separated from the connecting groove 301, the drill rod 7 and the drill bit 8 can be detached and replaced, and universality of the hole saw in use is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: 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

1. Hole saw with lead bits groove structure, including driving motor (1), its characterized in that: the utility model discloses a drill bit, including driving motor (1), drive motor (1) are provided with installation component (13) at the top, drive motor (1) are installed to the power take off end, drive motor (2) are provided with coupling assembling (3) in the bottom, one side of coupling assembling (3) is provided with spacing subassembly (15), casing (4) are installed to coupling assembling (3)'s bottom, the edge of casing (4) bottom is connected with sawtooth (9), chip guide groove (16) have been seted up to the lower extreme equidistant of casing (4) outer wall, electric putter (12) are all installed at the both ends at casing (4) inner chamber top, and two sets of push pedal (5) are installed to the output of electric putter (12), drilling rod (7) are worn to be equipped with in the center department of push pedal (5), the center department of push pedal (5) seted up with through-hole (11) of drilling rod (7) each other matees, the bottom of push pedal (5) is connected with reset spring (6), reset spring (6) cover is established the outer wall of casing (7), electric putter (7) outer wall all installs the bottom (8) of connecting assembly (7).

2. A hole saw having a chip chute structure as defined in claim 1, wherein: the sliding assembly (10) is arranged between the push plate (5) and the shell (4), the sliding assembly (10) comprises two groups of pulleys (1002), the pulleys (1002) are arranged at two ends of the push plate (5), sliding rails (1001) are arranged at two sides of an inner cavity of the shell (4), and the sliding rails (1001) are in rolling connection with the pulleys (1002).

3. A hole saw having a chip chute structure as defined in claim 1, wherein: the mounting assembly (13) comprises a mounting seat (1302), the mounting seat (1302) is mounted at the top of the driving motor (1), connecting plates (1303) are mounted on two sides of the mounting seat (1302), and locking bolts (1301) are arranged at the tops of the two groups of connecting plates (1303) in a penetrating mode.

4. A hole saw having a chip chute structure as defined in claim 1, wherein: the connecting assembly (3) comprises a connecting groove body (301), the connecting groove body (301) is arranged at the top of the shell (4), and a connecting block (302) which is in plug-in fit with the connecting groove body (301) is arranged at the top of the drill rod (7).

5. A hole saw having a chip chute structure as defined in claim 4, wherein: spacing subassembly (15) are including fixed plate (1505), fixed plate (1505) are installed the top of casing (4), fixed plate (1505) are close to one end of connecting groove body (301) is connected with positioning spring (1504), positioning spring (1504) are kept away from one end of fixed plate (1505) is installed mounting panel (1503), mounting panel (1503) are kept away from one end of positioning spring (1504) is connected with gag lever post (1502), limit groove (1501) of grafting complex are seted up on the right side of connecting block (302) with gag lever post (1502).

6. A hole saw with chip guide slot structure as defined in claim 5, wherein: the top of mounting panel (1503) is connected with driving lever (14).

7. A hole saw with chip guide slot structure as defined in claim 5, wherein: be provided with guide assembly (17) between mounting panel (1503) with casing (4), guide assembly (17) include guide block (1701), guide block (1701) are installed the bottom of mounting panel (1503), guide slot (1702) have been seted up at the top of casing (4), guide block (1701) with sliding connection between guide slot (1702).