CN217142448U

CN217142448U - Hard alloy hole saw with multiple chip removal hole structures

Info

Publication number: CN217142448U
Application number: CN202220923999.7U
Authority: CN
Inventors: 何生祥
Original assignee: Hangzhou Xiaoshan Johnson Tools Co ltd
Current assignee: Hangzhou Xiaoshan Johnson Tools Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-09
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a take carbide hole saw of a plurality of chip hole structures of removing, which comprises a housin, casing fixedly connected with sawtooth, casing fixedly connected with connecting block, connecting block sliding connection has the bolt, bolt threaded connection has the nut, bolt sliding connection has the spliced pole, spliced pole fixedly connected with gas injection ring, the coaxial fixedly connected with drilling rod of spliced pole, connecting block fixedly connected with connection pad, the connection pad rotates and is connected with the casing, the connection pad upper end is connected with the setting element, the utility model relates to an alloy hole saw technical field. The hard alloy hole saw with the structure of the plurality of chip removal holes guides cold air into the vent grooves in the connecting columns through the machine shell through the cold air pipe, the vent grooves inject the cold air into the air injection rings through the grooves in the inner ends of the connecting columns and discharge the cold air, the shell, the saw teeth and the drill rod are cooled by the cold air, and the cold air promotes cutting chips to be discharged from the discharge holes along with increase of the cold air in the inner ends of the shell.

Description

Hard alloy hole saw with multiple chip removal hole structures

Technical Field

The utility model relates to an alloy hole saw technical field specifically is a take carbide hole saw of a plurality of chip removal pore structures.

Background

Saws are tools used to saw or rip wood or other objects to be worked. The hole saw consists of a saw blade and a saw body, wherein the saw blade consists of irregularly arranged saw teeth, the hole saw can cut very hard substances including hardened steel, cast iron, bricks and the like, and a shaft made of carbon steel is matched with a centering drill.

When current carbide hole saw degree of saw used, the link of hole saw and rig can produce great vibrations, leads to misoperation easily, removes in addition, in the hole saw use, can't in time carry out effective heat dissipation to drilling rod and hole saw to promote the cutting piece and follow the escape orifice and discharge, increase follow-up clean step.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a take carbide hole saw of a plurality of chip removal pore structures has solved and has produced great vibrations when the hole saw uses, can't in time carry out effective heat dissipation scheduling problem to drilling rod and hole saw.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hard alloy hole saw with a plurality of chip removal hole structures comprises a shell, a plurality of discharge holes are arranged at the side end of the shell, the bottom end of the shell is fixedly connected with sawteeth, the upper end of the shell is fixedly connected with a connecting block, the middle end of the connecting block is connected with a bolt in a sliding way, the other end of the bolt is in threaded connection with a nut which is attached to the connecting block, the outer ends of the connecting block, which are close to the bolt and the nut, are both in threaded connection with a protective shell, the inner end of the bolt close to the connecting block is connected with a connecting column which is connected with the shell in a sliding way, the connecting column is fixedly connected with an air injection ring close to the upper end in the shell, the bottom end of the connecting column is coaxially and fixedly connected with a drill rod, the upper end of the connecting block is fixedly connected with a connecting disc, the connecting disc side rotates and is connected with the casing, the connecting disc upper end is connected with the setting element, the equal fixedly connected with air conditioning pipe in casing both sides, the casing upside is close to air conditioning pipe end fixedly connected with connecting plate.

Preferably, the inner ends of the connecting block and the connecting column are provided with movable grooves which are embedded with wear-resistant washers and are in sliding connection with the bolts.

Preferably, the inner end of the connecting column is provided with a slot communicated with the air injection ring, and the side end of the air injection ring is provided with an air injection hole communicated with the slot.

Preferably, the inner end of the connecting disc is provided with a vent groove which is respectively communicated with the shell and the connecting column, and the cold air pipe is communicated with the vent groove.

Preferably, the positioning part comprises a positioning column, a spring, a wedge block and a positioning groove, the positioning column is respectively and fixedly connected with the connecting disc and the spring, and the wedge block is in sliding connection with the positioning column and is fixedly connected with the spring.

Preferably, the inner end of the positioning column is provided with a positioning groove, the bottom end of the positioning groove is provided with a hexagonal groove, the inner end of the positioning column is slidably connected with a traction rope fixedly connected with the wedge block, and the traction rope is close to the outer end of the positioning column and is fixedly connected with a pull block.

Advantageous effects

The utility model provides a take carbide hole saw of a plurality of chip removal pore structures. Compared with the prior art, the method has the following beneficial effects:

(1) the hard alloy hole saw with the structure of the plurality of chip removal holes is characterized in that the hole saw is internally provided with the air injection ring, cold air is guided into the air groove in the connecting disc through the shell through the cold air pipe, the air groove injects the cold air into the air injection ring through the groove in the inner end of the connecting column and discharges the cold air, the shell, the saw teeth and the drill rod are cooled by the cold air, and the cold air can promote cutting chips to be discharged from the discharge hole along with the increase of the cold air in the inner end of the shell.

(2) This take carbide hole saw of a plurality of chip removal hole structures through set up the setting element in the hole saw, inserts the output post of rig in the constant head tank of constant head column, and the spring inserts the fixed slot of rig column side with the voussoir for connecting plate upper end and rig output end fixed connection, spring and voussoir cooperation play good cushioning effect to the output post.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view of the inner end positioning member of the present invention.

In the figure: 1. a housing; 2. a drain hole; 3. saw teeth; 4. connecting blocks; 5. a bolt; 6. a nut; 7. a protective shell; 8. connecting columns; 9. an air injection ring; 10. a drill stem; 11. a connecting disc; 12. a housing; 13. a positioning member; 131. a positioning column; 132. a spring; 133. a wedge block; 134. positioning a groove; 14. a cold air pipe; 15. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a take carbide hole saw of a plurality of chip removal pore structures, which comprises a housin 1, 1 side of casing is equipped with the escape orifice 2 a plurality ofly, 1 bottom fixedly connected with sawtooth 3 of casing, 1 upper end fixedly connected with connecting block 4 of casing, 4 middle-end sliding connection of connecting block has bolt 5, 5 other end threaded connection of bolt has the nut 6 with the 4 laminating of connecting block, connecting block 4 is close to bolt 5 and the equal threaded connection in 6 outer ends of nut has protective housing 7, bolt 5 is close to 4 inner sliding connection of connecting block and 1 sliding connection's of casing spliced pole 8, connecting

block

4, 8 the inner of spliced pole all be equipped with embedded wear-resisting packing ring and with 5 sliding connection's of bolt activity groove, the reducible connecting block 4 of wear-resisting packing ring, rub between spliced pole 8 and the bolt 5, extension apparatus life.

The connecting column 8 is close to the upper end fixedly connected with an air injection ring 9 in the shell 1, the bottom end of the connecting column 8 is coaxially and fixedly connected with a drill rod 10, the upper end of the connecting block 4 is fixedly connected with a connecting disc 11, the side end of the connecting disc 11 is rotatably connected with a casing 12, the inner end of the connecting column 8 is provided with a slot communicated with the air injection ring 9, the side end of the air injection ring 9 is provided with an air injection hole communicated with the slot, the inner end of the connecting disc 11 is provided with a vent groove respectively communicated with the casing 12 and the connecting column 8, a cold air pipe 14 is communicated with the vent groove, cold air passes through the casing 12 through the cold air pipe 14 and is guided into the vent groove in the connecting disc 11, the vent groove injects the cold air into the air injection ring 9 through the slot in the inner end of the connecting column 8 and discharges the cold air, the cold air cools the shell 1, the sawteeth 3 and the drill rod 10, and the cold air can promote cutting scraps to be discharged from the discharge hole 2 along with the increase of the cold air in the inner end of the shell 1.

The upper end of the connecting disc 11 is connected with a positioning part 13, the positioning part 13 is composed of a positioning column 131, a spring 132, a wedge 133 and a positioning groove 134, the positioning column 131 is respectively fixedly connected with the connecting disc 11 and the spring 132, the wedge 133 is slidably connected with the positioning column 131 and fixedly connected with the spring 132, the positioning groove 134 is arranged at the inner end of the positioning column 131, a hexagonal groove is formed in the bottom end of the positioning groove 134, a traction rope fixedly connected with the wedge 133 is slidably connected at the inner end of the positioning column 131, the traction rope is close to the outer end of the positioning column 131 and fixedly connected with a pull block, an output column of the drilling machine is inserted into the positioning groove 134 in the positioning column 131, the wedge 133 is inserted into a fixing groove at the side end of the drilling machine column by the spring 132, the upper end of the connecting plate 15 is fixedly connected with the output end of the drilling machine, and the spring 132 is matched with the wedge 133 to play a good damping role on the output column. The two sides of the casing 12 are both fixedly connected with the cold air pipe 14, and the upper side of the casing 12 close to the cold air pipe 14 is fixedly connected with a connecting plate 15.

Meanwhile, the contents which are not described in detail in the specification belong to the prior art which is known by the person skilled in the art, and the model parameters of each electric appliance are not particularly limited, and conventional equipment can be used.

When the device is used, a user inserts the top end of a drill rod 10 into a connecting block 4, the top end of the drill rod 10 is attached to the bottom end of a connecting disc 11, a connecting column 8 is fixedly connected with the connecting block 4 through a bolt 5 and a nut 6, the drill rod 10 is fixedly connected with the connecting block 4, a protective shell 7 is in threaded connection with the connecting block 4, the bolt 5 and the nut 6 are protected by the protective shell 7, an output column of a drilling machine is inserted into a positioning groove 134 in a positioning column 131, a wedge 133 is inserted into a fixing groove at the side end of a drilling machine column through a spring 132, the upper end of a connecting plate 15 is fixedly connected with the output end of the drilling machine, a cold air pipe 14 is fixedly connected and communicated with a corresponding pipeline, the drilling machine is started, the drilling machine drives a shell 1, a sawtooth 3, the connecting column 8, an air injection ring 9 and the drill rod 10 to rotate through the output column, the positioning part 13, the connecting disc 11, the connecting block 4, the bolt 5 and the nut 6 to drive the shell 1, the sawtooth 3, the connecting column 8, the injection ring 9 and the drill rod 10 to realize positioning for drilling of a drilling machine to be drilled, then, the drilling machine is pressed downwards continuously, the rotating shell 1 and the sawteeth 3 cut the drilling machine, meanwhile, cold air is guided into a vent groove in the connecting disc 11 through the shell 12 through the cold air pipe 14, the vent groove injects the cold air into the air injection ring 9 through the groove in the inner end of the connecting column 8 and discharges the cold air, the cold air cools the shell 1, the sawteeth 3 and the drill rod 10, and the cold air can promote cutting chips to be discharged from the discharge hole 2 along with the increase of the cold air in the inner end of the shell 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take carbide hole saw of a plurality of chip removal pore structures, includes casing (1), its characterized in that: the drill bit is characterized in that a plurality of drain holes (2) are formed in the side end of the shell (1), sawteeth (3) are fixedly connected to the bottom end of the shell (1), a connecting block (4) is fixedly connected to the upper end of the shell (1), a bolt (5) is slidably connected to the middle end of the connecting block (4), a nut (6) attached to the connecting block (4) is threadedly connected to the other end of the bolt (5), a protective shell (7) is threadedly connected to the outer ends of the connecting block (4) and the nut (6) in a manner of being close to the bolt (5), a connecting column (8) slidably connected to the shell (1) is slidably connected to the inner end of the bolt (5) in a manner of being close to the inner upper end of the connecting block (4), an air injection ring (9) is fixedly connected to the inner end of the shell (1), a drill rod (10) is fixedly connected to the bottom end of the connecting column (8), and a connecting disc (11) is fixedly connected to the upper end of the connecting block (4), connection pad (11) side rotates and is connected with casing (12), connection pad (11) upper end is connected with setting element (13), the equal fixedly connected with air conditioning pipe (14) in casing (12) both sides, casing (12) upside is close to air conditioning pipe (14) end fixedly connected with connecting plate (15).

2. A cemented carbide hole saw with multiple clearance hole configurations as claimed in claim 1, wherein: the inner ends of the connecting block (4) and the connecting column (8) are provided with movable grooves which are embedded with wear-resistant washers and are in sliding connection with the bolts (5).

3. A cemented carbide hole saw with multiple clearance hole configurations as claimed in claim 1, wherein: the inner end of the connecting column (8) is provided with a slot communicated with the air injection ring (9), and the side end of the air injection ring (9) is provided with an air injection hole communicated with the slot.

4. A cemented carbide hole saw with multiple clearance hole configurations as claimed in claim 1, wherein: the inner end of the connecting disc (11) is provided with a vent groove which is respectively communicated with the casing (12) and the connecting column (8), and the cold air pipe (14) is communicated with the vent groove.

5. A cemented carbide hole saw with multiple clearance hole configurations as claimed in claim 1, wherein: locating piece (13) comprises reference column (131), spring (132), voussoir (133), constant head tank (134), reference column (131) respectively with connection pad (11), spring (132) fixed connection, voussoir (133) and reference column (131) sliding connection and with spring (132) fixed connection.

6. A cemented carbide hole saw with multiple clearance hole configurations as claimed in claim 5, wherein: positioning column (131) inner is equipped with constant head tank (134), constant head tank (134) bottom is equipped with hexagonal groove, positioning column (131) inner sliding connection have with voussoir (133) fixed connection's haulage rope, the haulage rope is close to positioning column (131) outer end fixed connection and draws the piece.