CN211081710U - Impact cutting composite drill bit - Google Patents
Impact cutting composite drill bit Download PDFInfo
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- CN211081710U CN211081710U CN201921989600.XU CN201921989600U CN211081710U CN 211081710 U CN211081710 U CN 211081710U CN 201921989600 U CN201921989600 U CN 201921989600U CN 211081710 U CN211081710 U CN 211081710U
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- drill bit
- cutting
- rod
- composite drill
- fixed disk
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Abstract
The utility model discloses a strike compound drill bit of cutting, including compound drill bit body, compound drill bit body is including connecting the handle, the bottom of connecting the handle is provided with the drilling rod, the bottom of drilling rod is provided with the impact head, the bottom of impact head is provided with the fixed disk, the bottom of fixed disk is provided with a plurality of alloy lugs, the bottom of fixed disk is provided with the cutting teeth, connect the handle including rectangle pole and cylinder pole, and the cylinder pole is located the top of rectangle pole, the below at the rectangle pole is fixed to the drilling rod, the fixed slot has all been opened around the rectangle pole, the outer wall of drilling rod is provided with the drilling rod tooth, the one end of cylinder pole is provided with the screw thread post, open at the top of rectangle. The utility model discloses an alloy lug and impact head enable the drill bit be suitable for the soil of different properties, can make the compound drill bit efficiency of percussion cutting improve through the cutting teeth simultaneously, increase the anti erosion capacity that dashes that makes the drill bit moreover, improve the life of the compound drill bit of percussion cutting, improve the efficiency of the compound drill bit of percussion cutting.
Description
Technical Field
The utility model relates to a compound drill bit technical field especially relates to a strike compound drill bit of cutting.
Background
In the drilling process of the composite drill bit, the composite drill bit drills from a soft stratum to a hard interlayer, cutting teeth at the same part of the drill bit are in contact due to the outline structural shape of the crown part of the drill bit, the hardness of the stratum is different, and the cutting teeth at different parts of the drill bit are stressed unevenly when cutting the stratum, so that poor drilling and skip drilling are caused. The load acting on the drill bit is mostly concentrated on the cutting teeth of the cutting hard interlayer, and the instantaneous load generated by bit bouncing and bit jumping causes the cutting teeth to be cracked due to larger stress, particularly when cutting hard points in a hard stratum, the instantaneous load is enough to cause the cracking of the cutting teeth.
The composite drill bit in the prior art cannot be suitable for soil with different properties, so that the working efficiency of the impact cutting composite drill bit is reduced, the erosion resistance of the drill bit is relatively poor, and the service life of the impact cutting composite drill bit is relatively short.
Therefore, there is a need to design a composite percussion cutting drill bit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a percussion cutting composite drill bit.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a strike compound drill bit of cutting, includes the compound drill bit body, the compound drill bit body is including the connection handle, the bottom of connection handle is provided with the drilling rod, the bottom of drilling rod is provided with the impact head, the bottom of impact head is provided with the fixed disk, the bottom of fixed disk is provided with a plurality of alloy lugs, the bottom of fixed disk is provided with the cutting tooth.
Furthermore, the connecting handle comprises a rectangular rod and a cylindrical rod, the cylindrical rod is located above the rectangular rod, and the drill rod is fixed below the rectangular rod.
Furthermore, fixed grooves are formed in the periphery of the rectangular rod, and drill rod teeth are arranged on the outer wall of the drill rod.
Furthermore, one end of the cylindrical rod is provided with a threaded column, the top of the rectangular rod is provided with a threaded groove, threads of the threaded column are arranged in the threaded groove, and the cylindrical rod is connected to the rectangular rod through the threaded column and the threaded groove.
Furthermore, a spring gasket is arranged between the cylindrical rod and the rectangular rod and is sleeved on the threaded column.
Furthermore, the bottom of the fixed disk is provided with a slag blowing hole, and the bottom of the fixed disk is provided with a slag blowing groove.
The utility model has the advantages that:
1. through the alloy lug, the impact head and the cutting teeth that set up, enable the drill bit to be suitable for the soil of different properties through alloy lug and impact head, can make the compound drill bit efficiency of percussion cutting improve through the cutting teeth simultaneously, increase the anti erosion-resisting ability that makes the drill bit moreover, improve the life of the compound drill bit of percussion cutting.
2. Through the slag blowing hole and the slag discharging groove which are arranged, the slag blowing hole can enable the slag generated by the cutting composite drill bit to enter the slag discharging groove, the slag generated by the impact cutting composite drill bit can be discharged through the slag discharging groove, and the efficiency of the impact cutting composite drill bit is improved.
3. Through the screw thread post and the thread groove that set up, screw thread post threaded connection is in the thread groove, and convenient to use person is connected to the cylinder pole with the rectangle pole on, can make the drilling equipment that strikes cutting composite drill bit and satisfy two kinds of models, satisfies more requirements of user, improves the convenience that integrative composite drill used.
4. Through the spring washer that sets up, the spring washer is located between rectangle pole and the cylinder pole, can improve the stability that rectangle pole and cylinder pole are connected, prevents to take place to rotate when the compound drill bit of percussion cutting uses, improves the stability that the compound drill bit of percussion cutting used.
Drawings
Fig. 1 is a schematic view of the overall structure of a percussion cutting composite drill bit according to the present invention;
FIG. 2 is a schematic view of the structure of a thread post and a thread groove of a percussion cutting composite drill bit according to the present invention;
fig. 3 is the bottom structure diagram of the fixing disc of the composite percussion-cutting drill bit according to the present invention.
In the figure: the drill bit comprises a composite drill bit body 1, a drill rod 2, a connecting handle 3, a rectangular rod 4, a cylindrical rod 5, a fixing groove 6, drill rod teeth 7, an impact head 8, a fixing disc 9, an alloy bump 10, a threaded column 11, a threaded groove 12, a spring gasket 13, a slag blowing hole 14, a slag discharging groove 15 and cutting teeth 16.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, an impact cutting composite drill bit includes a composite drill bit body 1, the composite drill bit body 1 includes a connection handle 3, the connection handle 3 is convenient for a drilling device to connect, a drill rod 2 is arranged at the bottom of the connection handle 3, an impact head 8 is arranged at the bottom of the drill rod 2, a fixing disc 9 is arranged at the bottom of the impact head 8, the fixing disc 9 is made of alloy steel, the service life of the impact cutting composite drill bit can be prolonged, a plurality of alloy bumps 10 are arranged at the bottom of the fixing disc 9, the drill bit can be suitable for soil with different properties through the alloy bumps 10 and the impact head 8, the service life of the impact cutting composite drill bit is prolonged, cutting teeth 16 are arranged at the bottom of the fixing disc 9, the efficiency of the impact cutting composite drill bit can be improved through the cutting teeth 16, and the erosion resistance.
Further, the connecting handle 3 can enable the impact cutting composite drill bit to meet the drilling equipment of two types including the rectangular rod 4 and the cylindrical rod 5, so that more requirements of users are met, the use convenience of the integrated composite drill is improved, the cylindrical rod 5 is located above the rectangular rod 4, and the drill rod 2 is fixed below the rectangular rod 4.
Further, all opened fixed slot 6 around rectangular rod 4, fixed slot 6 is convenient for drilling equipment and is gone on fixedly to rectangular rod 4, improves the stability that the composite drill bit of percussion cutting used, and the outer wall of drilling rod 2 is provided with drilling rod tooth 7.
Further, one end of the cylindrical rod 5 is provided with a threaded column 11, a threaded groove 12 is formed in the top of the rectangular rod 4, the threaded column 11 is threaded in the threaded groove 12, a user can connect the rectangular rod 4 to the cylindrical rod 5 conveniently, and the cylindrical rod 5 is in threaded connection with the rectangular rod 4 through the threaded column 11 and the threaded groove 12.
Further, be provided with spring shim 13 between cylindric lock 5 and the rectangular rod 4, and spring shim 13 cup joints on threaded column 11, can improve the stability that rectangular rod 4 and cylindric lock 5 are connected, prevents to take place to rotate when percussion cutting composite drill bit uses, improves the stability that percussion cutting composite drill bit used.
Furthermore, the bottom of the fixed disc 9 is provided with a slag blowing hole 14, the bottom of the fixed disc 9 is provided with a slag blowing groove 15, the slag blowing hole 14 can enable the crushed slag drilled by the cutting composite drill bit to enter the slag discharging groove 15, the crushed slag generated by the impact cutting composite drill bit can be discharged through the slag discharging groove 15, and the efficiency of the impact cutting composite drill bit is improved.
The working principle is as follows: when the composite drill bit is used, the cylindrical rod 4 or the rectangular rod 4 is selected for use according to different connected equipment, the threaded column 11 is in threaded connection with the threaded groove 12, the rectangular rod 4 is conveniently connected with the cylindrical rod 5 by a user, the composite drill bit for impact cutting can meet the requirements of drilling equipment of two types, more requirements of the user are met, the use convenience of the integral composite drill bit is improved, meanwhile, the spring gasket 13 is positioned between the rectangular rod 4 and the cylindrical rod 5, the connection stability of the rectangular rod 4 and the cylindrical rod 5 can be improved, the composite drill bit for impact cutting is prevented from rotating when being used, the use stability of the composite drill bit for impact cutting is improved, the drill bit can be suitable for soil with different properties through the alloy lug 10 and the impact head 8 during drilling, the efficiency of the composite drill bit for impact cutting can be improved through the cutting teeth 16, and the anti-erosion capacity of the drill bit, the service life of the impact cutting composite drill bit is prolonged, the slag blowing holes 14 can enable the slag drilled by the cutting composite drill bit to enter the slag discharging groove 15, the slag generated by the impact cutting composite drill bit can be discharged through the slag discharging groove 15, and the efficiency of the impact cutting composite drill bit is improved.
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 (6)
1. The utility model provides a percussion cutting composite drill bit, includes composite drill bit body (1), its characterized in that, composite drill bit body (1) is including connecting handle (3), the bottom of connecting handle (3) is provided with drilling rod (2), the bottom of drilling rod (2) is provided with impact head (8), the bottom of impact head (8) is provided with fixed disk (9), the bottom of fixed disk (9) is provided with a plurality of alloy lugs (10), the bottom of fixed disk (9) is provided with cutting teeth (16).
2. A percussion cutting composite drill bit according to claim 1, characterized in that the shank (3) comprises a rectangular rod (4) and a cylindrical rod (5), and the cylindrical rod (5) is located above the rectangular rod (4), and the drill rod (2) is fixed below the rectangular rod (4).
3. A percussion cutting composite drill bit according to claim 2, characterized in that the rectangular rod (4) is provided with fixation grooves (6) all around and the outer wall of the drill rod (2) is provided with drill rod teeth (7).
4. A percussion cutting composite drill bit according to claim 2, characterized in that one end of the cylindrical shank (5) is provided with a threaded stud (11), the top of the rectangular shank (4) is provided with a threaded groove (12), and the threaded stud (11) is threaded inside the threaded groove (12), and the cylindrical shank (5) is screwed on the rectangular shank (4) through the threaded stud (11) and the threaded groove (12).
5. The percussion cutting composite drill bit according to claim 2, characterized in that a spring washer (13) is arranged between the cylindrical rod (5) and the rectangular rod (4), and the spring washer (13) is sleeved on the threaded column (11).
6. The composite impact cutting drill bit according to claim 1, wherein the bottom of the fixed disk (9) is provided with a slag blowing hole (14), and the bottom of the fixed disk (9) is provided with a slag blowing groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921989600.XU CN211081710U (en) | 2019-11-18 | 2019-11-18 | Impact cutting composite drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921989600.XU CN211081710U (en) | 2019-11-18 | 2019-11-18 | Impact cutting composite drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211081710U true CN211081710U (en) | 2020-07-24 |
Family
ID=71630243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921989600.XU Active CN211081710U (en) | 2019-11-18 | 2019-11-18 | Impact cutting composite drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211081710U (en) |
-
2019
- 2019-11-18 CN CN201921989600.XU patent/CN211081710U/en active Active
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