CN211162094U

CN211162094U - Surface layer scraper spiral drill bit

Info

Publication number: CN211162094U
Application number: CN201921634365.4U
Authority: CN
Inventors: 唐晓东
Original assignee: Suzhou Xingqiu Precision Tool Co ltd
Current assignee: Suzhou Xingqiu Precision Tool Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-04
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a top layer scraper auger bit, including the handle of a knife, the thread groove has been seted up to the one end of handle of a knife, the inside fixedly connected with screw thread post of thread groove, the one end fixedly connected with tool bit of screw thread post, fixed slot and coolant liquid import have been seted up from a left side to the right side in proper order in the top of handle of a knife, the screw thread post carries out fixed connection through pin and handle of a knife, the one end fixedly connected with locking post of handle of a knife, the fixed orifices has been seted up at the top of locking post. This top layer scraper helical bit sets up through the cooperation between handle of a knife, tool bit, coolant liquid import, coolant liquid export, coolant liquid holding tank and the coolant liquid passageway, when the drill bit cuts, the coolant liquid can flow into from the coolant liquid import, flows to the tool bit through the coolant liquid passageway to can take away the temperature of tool bit fast under the flow of coolant liquid, so that lower the temperature to the tool bit, can reduce the probability of tool bit damage, improve the machining precision.

Description

Surface layer scraper spiral drill bit

Technical Field

The utility model relates to a drill bit technical field specifically is a top layer scraper auger bit.

Background

The scraper is a finish machining tool for the surface of a workpiece, and has good quality, toughness and light use. Is a necessary tool for technical correction practice, machine tool maintenance and measuring tool recovery precision. The using method is that the lower part of the lower abdomen is propped against the handle of the scraper, and the cutter bar is held by two hands to carry out scraping on the workpiece. The scraper has a sharp cutting edge. Some of the cutting heads are inlaid with hard alloy. Generally, two types of plane scrapers and curved surface scrapers are classified and used accurately according to the surface of a machined workpiece.

But current top layer scraper auger bit does not set up dedicated cooling structure, when generating heat seriously, has directly leaded to the drill bit life-span to shorten to influence work efficiency, and current top layer scraper auger bit is dismantling when, and is more troublesome, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a top layer scraper auger bit has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a top layer scraper auger bit, includes the handle of a knife, the thread groove has been seted up to the one end of handle of a knife, the inside fixedly connected with screw thread post of thread groove, the one end fixedly connected with tool bit of screw thread post, fixed slot and coolant liquid import have been seted up from a left side to the right side in proper order in the top of handle of a knife, the screw thread post carries out fixed connection through pin and handle of a knife, the one end fixedly connected with locking post of handle of a knife, the fixed orifices has been seted up at the top of locking.

Optionally, a cooling liquid storage tank is arranged inside the cutter head.

Optionally, a cooling liquid outlet is formed in the lower surface of the tool shank.

Alternatively, the direction of rotation of the cutting head must coincide with the direction of the thread of the threaded stud.

Optionally, a cooling liquid channel is formed in the tool shank, and the cooling liquid channel is S-shaped.

Optionally, the tool holder is made of high-speed steel.

(III) advantageous effects

The utility model provides a top layer scraper auger bit possesses following beneficial effect:

1. this drill bit with heat radiation structure through the cooperation setting between handle of a knife, tool bit, coolant liquid import, coolant liquid export, coolant liquid holding tank and the coolant liquid passageway, when the drill bit cuts, the coolant liquid can flow into from the coolant liquid import, flows to the tool bit through the coolant liquid passageway to can take away the temperature of tool bit fast under the flow of coolant liquid, so that lower the temperature to the tool bit, can reduce the probability of tool bit damage, improve the machining precision.

2. This drill bit with heat radiation structure through the cooperation setting between handle of a knife, tool bit, screw post, pin and the fixed slot, when the staff used this drill bit, can be connected the tool bit with the handle of a knife through the screw post earlier, then the pin is consolidated again, not only makes the tool bit connect more firmly, dismantles more conveniently moreover, is convenient for change labour saving and time saving during the maintenance.

Drawings

FIG. 1 is a schematic view of a first embodiment of the present invention;

fig. 2 is a schematic diagram of a second structural configuration of the present invention;

fig. 3 is a schematic view of the front view cross-section structure of the present invention.

In the figure: 1. a knife handle; 2. a thread groove; 3. a threaded post; 4. a cutter head; 5. fixing grooves; 6. a coolant inlet; 7. a pin; 8. a locking post; 9. a fixing hole; 10. a cooling liquid storage tank; 11. a coolant outlet; 12. a coolant channel.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a top layer scraper auger bit, including handle of a knife 1, the material of handle of a knife 1 is high-speed steel, coolant outlet 11 has been seted up to the lower surface of handle of a knife 1, thread groove 2 has been seted up to the one end of handle of a knife 1, the inside fixedly connected with screw post 3 of thread groove 2, the one end fixedly connected with tool bit 4 of screw post 3, coolant storage tank 10 has been seted up to the inside of tool bit 4, the rotatory direction of tool bit 4 must be unanimous with the direction of screw post 3 screw thread, the rotatory direction of tool bit 4 is unanimous with the direction of screw post 3 screw thread, can greatly reduce the risk that tool bit 4 drops in the drill bit operation process, thereby protect staff's personal safety, reduce the probability that the occurence of failure, fixed slot 5 and coolant inlet 6 have been seted up from a left side to the right side in proper order in the top of handle of a, The cooperation setting between pin 7 and fixed slot 5, when the staff uses this drill bit, can be connected with handle of a knife 1 through the screw post 3 with tool bit 4 earlier, then pin 7 reinforces, not only makes tool bit 4 connect more firmly, and it is more convenient to dismantle, it is convenient to change, labour saving and time saving when maintaining, one end fixedly connected with locking post 8 of handle of a knife 1, the top of locking post 8 has seted up fixed orifices 9, the inside of handle of a knife 1 has seted up coolant passage 12, and coolant passage 12 is the S-shaped, through the cooperation setting between handle of a knife 1, tool bit 4, coolant inlet 6, coolant outlet 11, coolant holding tank 10 and coolant passage 12, when the drill bit cuts, the coolant liquid can flow in from coolant inlet 6, flow to the tool bit through coolant passage 12, thereby can take away the temperature of tool bit 4 under the flow of coolant liquid fast, so as to cool down the tool bit, can reduce the probability of tool bit damage, improve the machining precision.

In conclusion, when the drill with the heat dissipation structure is used, through the matching arrangement among the tool shank 1, the tool bit 4, the cooling liquid inlet 6, the cooling liquid outlet 11, the cooling liquid storage tank 10 and the cooling liquid channel 12, when the drill bit is cutting, the cooling liquid flows in from the cooling liquid inlet 6, flows to the cutter head through the cooling liquid channel 12, thereby the temperature of the cutter head 4 can be taken away rapidly under the flowing of the cooling liquid so as to be convenient for cooling the cutter head, the probability of damage to the tool bit can be reduced, the machining precision can be improved, the tool bit 4 can be connected with the tool handle 1 through the threaded column 3 when a worker uses the drill bit through the matching arrangement among the tool handle 1, the tool bit 4, the threaded column 3, the pin 7 and the fixing groove 5, then pin 7 consolidates again, not only makes tool bit 4 connect more firmly, and it is more convenient to dismantle moreover, is convenient for change labour saving and time saving during the maintenance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a top layer drag screw bit, includes handle of a knife (1), its characterized in that: thread groove (2) have been seted up to the one end of handle of a knife (1), the inside fixedly connected with screw thread post (3) of thread groove (2), the one end fixedly connected with tool bit (4) of screw thread post (3), fixed slot (5) and coolant liquid inlet (6) have been seted up from a left side to the right side in proper order in the top of handle of a knife (1), screw thread post (3) carry out fixed connection through pin (7) and handle of a knife (1), the one end fixedly connected with locking post (8) of handle of a knife (1), fixed orifices (9) have been seted up at the top of locking post (8).

2. A surface drag helical drill according to claim 1, wherein: and a cooling liquid storage tank (10) is arranged in the tool bit (4).

3. A surface drag helical drill according to claim 1, wherein: the lower surface of the knife handle (1) is provided with a cooling liquid outlet (11).

4. A surface drag helical drill according to claim 1, wherein: the direction of rotation of the cutting head (4) must be consistent with the direction of the thread of the threaded column (3).

5. A surface drag helical drill according to claim 1, wherein: a cooling liquid channel (12) is formed in the cutter handle (1), and the cooling liquid channel (12) is S-shaped.

6. A surface drag helical drill according to claim 1, wherein: the cutter handle (1) is made of high-speed steel.