CN216422873U - Fixed-depth woodworking positioning hole digger - Google Patents

Abstract

The application discloses fixed degree of depth carpenter location hole digger relates to carpenter's cutter's technical field, and it includes cutter body and handle body, the handle body sets up in wherein one end of cutter body, the terminal surface that the handle body was kept away from to the cutter body is provided with a center point and a plurality of knife tip, the center point sets up in the central point of cutter body and puts, knife tip and cutter body sliding fit, be provided with the adjusting part who is used for adjusting knife tip and center point interval on the cutter body. This application knife tip and cutter body sliding fit can adjust the interval of knife tip and central point through adjusting part to make the hole digger can adapt to processing the hole of not unidimensional.

Description

Fixed-depth woodworking positioning hole digger

Technical Field

The application relates to the technical field of woodworking tools, in particular to a fixed-depth woodworking positioning hole digger.

Background

The hole digger is also called a hole saw or a hole saw, which is a special saw cutting circular saw for processing circular holes in modern industry or engineering, and has the advantages of simple and flexible operation, convenient carrying, safety and wide application. In the processing process of the plate, the hole opener is arranged on a common electric drill, so that holes can be conveniently formed in the plate.

The Chinese utility model patent with the publication number of CN205097311U in the related art discloses a fixed depth woodworking positioning hole digger, which comprises a hole digger head and a hole digger handle, wherein the hole digger head is butterfly-shaped, and the hole digger handle is integrally arranged at one end of the hole digger head; the cutter head is provided with two edge points, a center point and two parallel blades at the end far away from the cutter handle, the two edge points and the outer ends of the two blades are distributed on a circle with the center point as the center of circle, the edge points and the center point are positioned on the same straight line, and the tips of the edge points and the center point are protruded out of the height of the blades. Install on the electric drill when the hole digger uses, the electric drill can order about the hole digger and use the center point to be high-speed rotatory as the axle center to drive limit point and blade and cut panel, make the hole digger open out the round hole on the surface of panel.

In view of the above-mentioned related technologies, the inventor believes that the edge tip of the hole cutter is integrally formed with the head of the hole cutter by welding or embedding, in the actual plate processing process, holes or grooves with different sizes are often required to be formed, and the size of the formed hole depends on the distance between the center tip and the edge tip, so that the hole cutter can only process holes with fixed sizes, and the defect that the hole cutter cannot be suitable for processing holes with different sizes exists.

SUMMERY OF THE UTILITY MODEL

In order to make the hole digger adapt to processing the hole of not unidimensional, this application provides a fixed degree of depth carpenter location hole digger.

The application provides a fixed degree of depth carpenter location hole digger adopts following technical scheme:

the utility model provides a fixed degree of depth carpenter location hole digger, includes cutter body and handle body, the handle body sets up in one of them one end of cutter body, the terminal surface that the handle body was kept away from to the cutter body is provided with a center point and a plurality of knife tip, the center point sets up in the central point of cutter body and puts, knife tip and cutter body sliding fit, be provided with the adjusting part who is used for adjusting knife tip and center point interval on the cutter body.

By adopting the technical scheme, the hole digger is arranged on the electric drill when in use and can rotate at high speed by taking the center point as a rotating shaft, and the hole digger can be positioned at the hole forming position of the plate through the center point, so that the aim of forming holes in the plate is fulfilled; the cutter point is in sliding fit with the cutter body, and the adjusting component can adjust the distance between the cutter point and the center point, so that the hole opener can be suitable for machining holes with different sizes.

Optionally, the center point is rotatably inserted into the cutter body and fixedly connected to the handle body, the adjusting assembly includes an adjusting rack, an adjusting toothed ring is disposed on an outer wall of the center point, the adjusting rack is meshed with the adjusting toothed ring, the tool nose is fixedly disposed on the adjusting rack, and a positioning assembly for positioning the center point after adjustment is disposed on the handle body.

By adopting the technical scheme, the tool nose is fixedly connected with the adjusting rack, and the adjusting toothed ring can be driven to rotate by rotating the handle body, so that the adjusting rack is driven to slide along the end surface of the tool body, and the distance between the tool nose and the center point can be adjusted; after the tool nose is adjusted to the designated position, the handle body can be positioned through the positioning assembly, so that the handle body is limited to rotate, and the purpose of positioning the tool nose is achieved.

Optionally, the locating component includes the position sleeve, the position sleeve slip cap is located on the handle body, be provided with fixed cover on the cutter body, the outer wall of handle body is provided with solid fixed ring, fixed cover and solid fixed ring lateral wall all are provided with spacing tooth, the inside wall of position sleeve is offered and is used for supplying spacing tooth meshing complex spacing tooth's socket, threaded connection has the stop nut who is used for fixing a position the position sleeve on the handle body.

By adopting the technical scheme, when the cutter point needs to be positioned, the limiting teeth of the fixing sleeve are meshed with the limiting tooth grooves by sliding the positioning sleeve, so that the handle body and the cutter body can be limited to rotate relatively; the screwing limiting nut can prevent the positioning sleeve from sliding away from the fixed sleeve, so that the stability of the positioning assembly in positioning is improved.

Optionally, the outer wall of the adjusting rack is fixedly provided with a sliding block, and the end face of the cutter body is provided with a sliding groove for guiding the sliding block to slide along the tangential direction of the adjusting gear ring.

Through adopting above-mentioned technical scheme, slider and spout cooperation can guide and adjust the rack and slide along the tangential direction who adjusts the ring gear to promote the stability that the knife tip slided the in-process.

Optionally, the two tool noses and the two adjusting racks are arranged, the two tool noses are symmetrically arranged along the central point, and the two adjusting racks are meshed with two sides of the adjusting gear ring.

By adopting the technical scheme, the two cutter points are arranged, so that the hole opening speed of the cutter points is greatly improved, and meanwhile, the two cutter points are symmetrically arranged on two sides of the central point, so that the stability of the cutter body in the rotating process can be improved; the two adjusting racks are controlled by the same adjusting toothed ring, so that the positions of the two tool noses can be conveniently and simultaneously adjusted.

Optionally, a blade is arranged on the adjusting rack, and the blade extends in a direction away from the cutter body.

By adopting the technical scheme, the hole opener can cut the plate by the blade in the using process, and can reduce the load of the tool nose, thereby conveniently processing a hole or a groove on the plate.

Optionally, the cutter body is provided with two chip grooves in a penetrating manner, and the two chip grooves are symmetrically arranged along the center point.

Through adopting above-mentioned technical scheme, the in-process to panel trompil is being followed to the hole digger, and the smear metal can be followed the chip groove and smoothly discharged to can reduce the wearing and tearing of smear metal to the blade, and then promote the life of blade.

Optionally, the blade and the cutter body are obliquely arranged and form a cutting included angle with the end face of the cutter body, and the cutting included angle faces the chip groove.

Through adopting above-mentioned technical scheme, the blade slope sets up, can reduce the resistance of blade cutting panel in-process to the convenience is cut panel.

In summary, the present application includes at least one of the following benefits:

1. through the arrangement of the adjusting assembly, the cutter point is arranged on the end face of the cutter body in a sliding manner, the adjusting toothed ring can be driven to rotate by rotating the handle body, so that the adjusting rack is driven to slide along the tangential direction of the adjusting toothed ring, the distance between the cutter point and the center point can be adjusted, and the hole opener can adapt to processing holes with different sizes on a plate;

2. through the setting of blade, the tip of blade inclines towards the chip groove, is carrying out the in-process of trompil to panel, can reduce the resistance between blade and the panel to the blade of being convenient for cuts panel.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the present embodiment showing the retainer ring;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is a schematic structural view of the positioning sleeve in the present embodiment;

fig. 5 is a schematic structural view of the cutter body in the present embodiment.

Description of reference numerals: 1. a cutter body; 11. mounting holes; 12. a chute; 13. a chip groove; 2. a handle body; 21. a fixing ring; 3. a central apex; 4. a knife tip; 5. an adjustment assembly; 51. adjusting the rack; 52. adjusting the gear ring; 53. a slider; 6. a positioning assembly; 61. a positioning sleeve; 611. a limiting tooth socket; 7. fixing a sleeve; 71. limiting teeth; 8. a limit nut; 9. a blade; 91. and cutting an included angle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses fixed degree of depth carpenter location hole digger. Referring to fig. 1 and 2, the fixed depth carpentry positioning hole digger comprises a cutter body 1 and a handle body 2. The handle body 2 is of a stepped cylindrical structure, one end of the handle body 2 is integrally provided with a cylindrical center tip 3, the center tip 3 and the handle body 2 are coaxially arranged, and meanwhile, the end part of the center tip 3 forms a tip; the whole cutter body 1 is of a plate-shaped structure, a mounting hole 11 with a circular section is formed in the center of the cutter body 1 in a penetrating mode, and the center tip 3 penetrates through the mounting hole 11 and extends towards the direction far away from the cutter body 1. The end surface of the cutter body 1 far away from the handle body 2 is provided with a plurality of cutter points 4, the cutter points 4 are made of hard alloy materials in the embodiment, the cutter points 4 are parallel to the central point 3, and the end parts of the cutter points 4 form tip ends. The distance between the end part of the center point 3 and the end surface of the cutter body 1 is larger than the distance between the end part of the cutter point 4 and the end surface of the cutter body 1, the hole digger is installed on an electric drill when in use, the electric drill can drive the hole digger to rotate by taking the center point 3 as an axis, the center point 3 is drilled into the center of the hole forming position of the plate firstly, the hole digger can be positioned, and then the hole is formed on the plate through the cutter point 4.

In the embodiment, two tool noses 4 are arranged, and the two tool noses 4 are symmetrically arranged along the central tip 3; the tool nose 4 is arranged on the end surface of the tool body 1 in a sliding manner, and the tool body 1 is provided with an adjusting component 5 for adjusting the distance between the tool nose 4 and the central tip 3; the distance between the cutter point 4 and the central point 3 is adjusted by the adjusting component 5, so that the purpose of processing holes with different sizes on the plate by the hole digger can be realized.

Referring to fig. 1 and 3, the adjustment assembly 5 includes an adjustment ring gear 52 and two adjustment racks 51. The adjusting racks 51 are welded and fixed on the peripheral side of the center tip 3, and the two adjusting racks 51 are parallel to each other and meshed on two sides of the adjusting gear ring 52; the slider 53 is integrally formed on one side of the adjusting rack 51 close to the cutter body 1, the slider 53 is of a strip structure, the section of the slider 53 is in a dovetail shape, the sliding groove 12 is formed in the end face of the cutter body 1 along the tangential direction of the adjusting toothed ring 52, and the slider 53 is arranged inside the sliding groove 12 in a sliding manner, so that the adjusting rack 51 can be guided to slide. The tool nose 4 is welded and fixed at one end of the adjusting rack 51 far away from the adjusting toothed ring 52, and the adjusting toothed ring 52 can be driven to rotate synchronously by rotating the handle body 2, so that the adjusting rack 51 is driven to drive the tool nose 4 to move linearly. The handle body 2 is provided with a positioning component 6 for positioning the center tip 3, and after the tool tip 4 is adjusted to a designated position, the tool tip 4 is positioned through the positioning component 6, so that the distance between the tool tip 4 and the center tip 3 is fixed.

Referring to fig. 1 and 2, the positioning assembly 6 includes a positioning sleeve 61 and a limit nut 8. The positioning sleeve 61 in the embodiment is a cylindrical structure, and the positioning sleeve 61 is slidably sleeved on the handle body 2; the limit nut 8 is positioned on one side of the positioning sleeve 61, which is far away from the cutter body 1, the limit nut 8 is sleeved on the handle body 2, and meanwhile, the limit nut 8 is in threaded fit with the handle body 2. The end face integrated into one piece that cutter body 1 is close to handle body 2 is provided with fixed cover 7, and the outer wall integrated into one piece of handle body 2 is provided with solid fixed ring 21, and just gu fixed ring 21 is located the one end that handle body 2 is close to cutter body 1.

Referring to fig. 4 and 5, the outer side walls of the fixed sleeve 7 and the fixed ring 21 are integrally formed with limiting teeth 71, the inner side wall of the positioning sleeve 61 is provided with limiting tooth grooves 611 matched with the limiting teeth 71, and after the tool tip 4 is adjusted to a designated position, the sliding positioning sleeve 61 enables the limiting teeth 71 on the fixed sleeve 7 and the fixed ring 21 to be simultaneously meshed with the limiting tooth grooves 611 and drives the limiting nut 8 to tightly abut against the positioning sleeve 61, so that the relative rotation between the handle body 2 and the tool body 1 can be prevented, and the purpose of positioning the tool tip 4 is achieved.

Referring to fig. 2 and 3, two chip grooves 13 are formed in the cutter body 1 in a penetrating manner, the two chip grooves 13 are symmetrically arranged around the mounting hole 11, and chips can be smoothly discharged from the chip grooves 13 in the hole drilling process. The blade 9 is fixedly welded on one side of the adjusting rack 51, which is far away from the adjusting toothed ring 52, the blade 9 in the embodiment is integrally in a rectangular plate-shaped structure, and the blade 9 is obliquely arranged and extends in a direction far away from the cutter body 1; the cutting included angle 91 is formed between the blade 9 and the end face of the cutter body 1, the cutting included angle 91 is an acute angle, and the cutting included angle 91 faces the chip groove 13, so that the resistance between the blade 9 and a plate can be reduced, and chips can be guided to be discharged out of the chip groove 13. The distance between the end part of the blade 9 and the end surface of the cutter body 1 is smaller than the distance between the end part of the tool nose 4 and the end surface of the cutter body 1; the in-process of hole digger to panel trompil, blade 9 can cut panel to can reduce the load of knife tip 4 in the cutting process, promote the stability of hole digger in the use.

The implementation principle of the fixed-depth woodworking positioning hole digger in the embodiment of the application is as follows:

when the hole digger is used, the hole digger is installed on an electric drill, and the electric drill drives the cutter body 1 to rotate at a high speed, so that the cutter tip 4 and the blade 9 are driven to open a hole in a panel. When holes with different sizes need to be processed, the limiting nut 8 is unscrewed, and then the positioning sleeve 61 is driven to slide away from the fixed sleeve 7, so that the handle body 2 can rotate; the adjusting toothed ring 52 can be driven to synchronously rotate by rotating the handle body 2, so that the adjusting rack 51 is driven to linearly slide along the end surface of the cutter body 1, and the purpose of adjusting the distance between the cutter tip 4 and the center tip 3 is achieved; after the tool nose 4 is adjusted to the designated position, the positioning sleeve 61 is slid, so that the positioning sleeve 61 is sleeved outside the fixing sleeve 7 and the fixing ring 21, and the limiting nut 8 is driven to abut against the positioning sleeve 61, so that the relative rotation between the handle body 2 and the tool body 1 can be limited, and the tool nose 4 is positioned.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a fixed degree of depth carpenter location hole digger, includes cutter body (1) and handle body (2), handle body (2) set up in wherein one end of cutter body (1), the terminal surface that handle body (2) were kept away from in cutter body (1) is provided with one center point (3) and a plurality of knife tip (4), center point (3) set up in the central point of cutter body (1) and put its characterized in that: the tool nose (4) is in sliding fit with the tool body (1), and the tool body (1) is provided with an adjusting component (5) for adjusting the distance between the tool nose (4) and the center point (3).

2. The fixed depth woodworking positioning hole opener of claim 1, wherein: the center point (3) rotates to penetrate through the cutter body (1) and is fixedly connected with the handle body (2), the adjusting component (5) comprises an adjusting rack (51), an adjusting toothed ring (52) is arranged on the outer wall of the center point (3), the adjusting rack (51) is meshed with the adjusting toothed ring (52), the cutter point (4) is fixedly arranged on the adjusting rack (51), and the handle body (2) is provided with a positioning component (6) for positioning the center point (3) after adjustment.

3. The fixed depth woodworking positioning hole opener of claim 2, wherein: locating component (6) are including position sleeve (61), position sleeve (61) slip cover is located on handle body (2), be provided with fixed cover (7) on cutter body (1), the outer wall of handle body (2) is provided with solid fixed ring (21), fixed cover (7) and solid fixed ring (21) lateral wall all are provided with spacing tooth (71), the inside wall of position sleeve (61) is offered and is used for supplying spacing tooth (71) meshing complex spacing tooth's socket (611), threaded connection has stop nut (8) that are used for carrying out the location with position sleeve (61) on the handle body (2).

4. The fixed depth woodworking positioning hole opener of claim 2, wherein: the outer wall of the adjusting rack (51) is fixedly provided with a sliding block (53), and the end face of the cutter body (1) is provided with a sliding groove (12) used for guiding the sliding block (53) to slide along the tangential direction of the adjusting toothed ring (52).

5. The fixed depth woodworking positioning hole opener of claim 2, wherein: the two cutter points (4) and the two adjusting racks (51) are arranged, the two cutter points (4) are symmetrically arranged along the central point (3), and the two adjusting racks (51) are meshed with the two sides of the adjusting gear ring (52).

6. The fixed depth woodworking positioning hole opener of claim 2, wherein: the adjusting rack (51) is provided with a blade (9), and the blade (9) extends in the direction away from the cutter body (1).

7. The fixed depth woodworking positioning hole opener of claim 6, wherein: two chip grooves (13) are formed in the cutter body (1) in a penetrating mode, and the two chip grooves (13) are symmetrically arranged along the center point (3).

8. The fixed depth woodworking positioning hole opener of claim 7, wherein: the cutting blade (9) and the cutter body (1) are obliquely arranged and form a cutting included angle (91) with the end face of the cutter body (1), and the cutting included angle (91) faces to the chip groove (13).

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