CN215718486U

CN215718486U - Alloy drill bit with good impact resistance

Info

Publication number: CN215718486U
Application number: CN202122157969.8U
Authority: CN
Inventors: 张涛燕; 李慧; 蒋静
Original assignee: Changzhou Bosite Precision Machinery Co ltd
Current assignee: Changzhou Bosite Precision Machinery Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an alloy drill bit with good impact resistance, and particularly relates to the field of alloy drill bits, which comprises a drill rod, wherein one end of the drill rod is fixedly connected with a drill handle, the outer side of the drill handle is movably sleeved with a connecting base, one side of the drill handle is fixedly connected with a connecting clamping sleeve, one end of the connecting clamping sleeve is movably sleeved with a piston rod, and one end of the piston rod is movably sleeved with a pressure cylinder; compared with the prior art, the drill rod clamping device is convenient to fixedly sleeve the drill handle on the inner side of the connecting base through the fixing assembly in the using process by arranging the connecting clamping sleeve, the piston rod, the pressure cylinder and the pressure spring, and then the impact force acting on the drill rod is reduced through the piston rod, the pressure cylinder and the pressure spring, so that the impact force is prevented from directly acting on the drill rod, and the problem that the drill rod is damaged due to the impact force in the using process of the existing device is solved.

Description

Alloy drill bit with good impact resistance

Technical Field

The utility model relates to the technical field of alloy drill bits, in particular to an alloy drill bit with good impact resistance.

Background

The alloy drill bit generally refers to a hard alloy drill bit, and comprises an integral type drill bit, a welding type drill bit, an indexable insert type drill bit and an interchangeable head type drill bit, wherein the main components of the hard alloy are tungsten carbide, cobalt and the like, the hardness is higher and is generally more than ninety degrees in Rockwell hardness, and the hard alloy drill bit is suitable for batch processing and hard processing occasions.

The existing alloy drill bit is easy to damage under the action of impact force due to improper operation in the machining process, so that the subsequent machining is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide an alloy drill with good impact resistance, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an alloy drill bit that shock resistance is good, includes the drilling rod, the one end fixedly connected with drill handle of drilling rod, the connection base has been cup jointed in the outside activity of drill handle, one side fixedly connected with connection cutting ferrule of drill handle, the piston rod has been cup jointed in the one end activity of connecting the cutting ferrule, the pressure cylinder has been cup jointed in the one end activity of piston rod, the one end fixedly connected with adjustable fender of pressure cylinder, the adjustable fender activity is cup jointed in the inboard of connecting the base, the upper and lower both ends inboard of connecting the base is provided with fixed subassembly respectively.

Preferably, the riveting groove has been seted up to one side of drilling rod, the inboard one end fixedly connected with wedge in riveting groove, the one end of drilling rod is provided with the cutting bit, one side fixedly connected with riveting block of cutting bit, riveting block cup joints in the inboard in riveting groove through the wedge activity.

Preferably, fixed subassembly is including the activity respectively cup jointing the inboard hexagon socket nut in both ends about the connection base, the relative one side fixedly connected with threaded rod of hexagon nut, movable cutting ferrule has been cup jointed in the activity of relative one side of threaded rod, the one end fixedly connected with screw thread cutting ferrule of drillstock is kept away from to the inboard of activity cutting ferrule, the one end that the threaded rod is close to the drillstock runs through in the inboard of activity cutting ferrule and cup joints with screw thread cutting ferrule screw thread, the activity is cup jointed coupling assembling is established to the inboard bottom of activity cutting ferrule.

Preferably, the connecting assembly comprises a limiting sliding block movably sleeved on the inner side of the movable clamping sleeve, one end, far away from the drill shank, of the limiting sliding block is fixedly connected with a return spring, and one end, close to the drill shank, of the limiting sliding block is fixedly connected with a movable clamping block.

Preferably, one end of the inner side of the connecting base is fixedly connected with a pressure spring, and one end of the pressure spring is located on one side of the movable baffle.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through setting up connecting cutting ferrule, piston rod, pressure cylinder and compression spring, the device of being convenient for is in the use, and fixed the cup joint in the inboard of connecting the base with the drillstock through fixed subassembly, then subducts the impact force that will act on the drilling rod through piston rod, pressure cylinder and compression spring, avoids the impact force direct action on the drilling rod, and the impact force leads to the problem that the drilling rod damaged when having solved current device and using.

2. Compared with the prior art, through setting up cutting bit, riveting piece, wedge and riveting groove, the device of being convenient for is in the use, and the riveting piece is extruded through the wedge and is makeed the riveting piece can be more even cup joint in the inboard in riveting groove for cutting bit is more convenient with being connected of drill rod, thereby has solved the problem that cutting bit can't be changed when current device uses.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a front cross-sectional structure of the connection base according to the present invention.

FIG. 3 is a schematic view of the structure at A in FIG. 2 according to the present invention.

Fig. 4 is a schematic view of an elevational cross-sectional structure of the movable clamping block of the present invention.

Fig. 5 is a schematic view of the drill rod of the present invention in elevation cross-section.

The reference signs are: 1. a drill stem; 2. connecting a base; 3. a hexagon socket nut; 4. a cutting bit; 5. a drill shank; 6. connecting the clamping sleeve; 7. a piston rod; 8. a pressure cylinder; 9. a movable baffle; 10. a pressure spring; 11. a threaded rod; 12. a movable ferrule; 13. a movable clamping block; 14. a threaded ferrule; 15. a return spring; 16. a limiting slide block; 17. riveting a block; 18. a wedge block; 19. and riveting the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The alloy drill bit with good impact resistance shown in the attached drawings 1-5 comprises a drill rod 1, a drill handle 5, a connecting base 2, a connecting clamping sleeve 6, a piston rod 7, a pressure cylinder 8, a movable baffle 9 and a fixed assembly, wherein:

one end of the drill rod 1 is fixedly connected with a drill handle 5, the outer side of the drill handle 5 is movably sleeved with a connecting base 2, one side of the drill handle 5 is fixedly connected with a connecting cutting sleeve 6, one end of the connecting cutting sleeve 6 is movably sleeved with a piston rod 7, one end of the piston rod 7 is movably sleeved with a pressure cylinder 8, one end of the pressure cylinder 8 is fixedly connected with a movable baffle 9, the movable baffle 9 is movably sleeved on the inner side of the connecting base 2, the inner sides of the upper end and the lower end of the connecting base 2 are respectively provided with a fixing component, one end of the inner side of the connecting base 2 is fixedly connected with a pressure spring 10, and one end of the pressure spring 10 is positioned on one side of the movable baffle 9;

the connection base 2 ensures that the drill rod 1 can be installed through the drill handle 5, the connection clamping sleeve 6 enables the drill handle 5 to better transmit force to the piston rod 7 under the action of impact force, the piston rod 7 and the pressure cylinder 8 can reduce the force, the fixing component can fix the connection base 2 and the drill handle 5, and the movable baffle 9 and the pressure spring 10 can further reduce the impact force;

the fixed component comprises inner hexagon nuts 3 respectively movably sleeved on the inner sides of the upper end and the lower end of the connecting base 2, a threaded rod 11 is fixedly connected on one side opposite to the inner hexagon nut 3, a movable cutting sleeve 12 is movably sleeved on one side opposite to the threaded rod 11, a threaded cutting sleeve 14 is fixedly connected on one end, far away from the drill handle 5, of the inner side of the movable cutting sleeve 12, one end, close to the drill handle 5, of the threaded rod 11 penetrates through the inner side of the movable cutting sleeve 12 to be in threaded sleeve joint with the threaded cutting sleeve 14, a connecting component is movably sleeved at the bottom end of the inner side of the movable cutting sleeve 12 and comprises a limiting slide block 16 movably sleeved on the inner side of the movable cutting sleeve 12, a return spring 15 is fixedly connected at one end, far away from the drill handle 5, of the limiting slide block 16 is fixedly connected with a movable clamping block 13, and the threaded sleeve joint of the threaded rod 11 and the threaded cutting sleeve 14 can drive the threaded cutting sleeve 14 to move downwards, the reset spring 15 drives the limit slide block 16 and the movable clamping block 13 to be fixed on the outer side of the drill rod 1, so that the impact force of the drill rod 1 is reduced;

after the proposal is adopted, the drill handle 5 is movably sleeved at the inner side of the connecting base 2, so that the drill handle 5 extrudes the pressure spring 10 to shrink through the connecting cutting sleeve 6, the piston rod 7, the pressure cylinder 8 and the movable baffle 9, then the inner hexagon nut 3 is rotated to drive the threaded rod 11 to rotate, the threaded rod 11 pushes the movable cutting sleeve 12 to move downwards under the sleeving effect of the threaded cutting sleeve 14, the movable cutting sleeve 12 is fixed at the top end of the drill rod 1 through the return spring 15, the limiting slide block 16 and the movable clamping block 13, when the drill rod 1 is subjected to impact force in the working process, the impact force is primarily reduced through the piston rod 7 and the pressure cylinder 8, further reduced through the pressure spring 10 and finally reduced through the return spring 15, thereby guarantee the stability of drilling rod 1 work, the impact force leads to the problem of drilling rod 1 damage when having solved current device and using.

A riveting groove 19 is formed in one side of the drill rod 1, a wedge block 18 is fixedly connected to one end of the inner side of the riveting groove 19, a cutting drill bit 4 is arranged at one end of the drill rod 1, a riveting block 17 is fixedly connected to one side of the cutting drill bit 4, the riveting block 17 is movably sleeved on the inner side of the riveting groove 19 through the wedge block 18, and the wedge block 18 drives the upper end and the lower end of the riveting block 17 to be respectively attached to the upper end and the lower end of the inner side of the riveting groove 19 more tightly;

after adopting above-mentioned scheme, at first cup joint cutting bit 4 inboard at riveting groove 19 through riveting block 17 activity, then the extrusion is pressed cutting bit 4 for cutting bit 4 drives riveting block 17 and removes to drilling rod 1 one end, then struts the inseparable laminating in the upper and lower both ends with riveting block 17's upper and lower both ends with riveting groove 19 inboard under wedge 18's effect, thereby realize cutting bit 4's installation, cutting bit 4 damages the problem that can't change when having solved current device and using.

The working principle of the utility model is as follows: firstly, a drill handle 5 is movably sleeved on the inner side of a connecting base 2, so that the drill handle 5 extrudes a pressure spring 10 to shrink through a connecting clamping sleeve 6, a piston rod 7, a pressure cylinder 8 and a movable baffle 9, then an inner hexagon nut 3 is rotated to drive a threaded rod 11 to rotate, the threaded rod 11 pushes a movable clamping sleeve 12 to move downwards under the sleeving action of a threaded clamping sleeve 14, the movable clamping sleeve 12 is fixed at the top end of a drill rod 1 through a return spring 15, a limiting slide block 16 and a driving movable clamping block 13, when the drill rod 1 is subjected to impact force in the working process, the impact force can be primarily reduced through the piston rod 7 and the pressure cylinder 8, the impact force is further reduced through the pressure spring 10, and the impact force is finally reduced through the return spring 15, so that the working stability of the drill rod 1 is ensured, and the problem that the drill rod 1 is damaged due to the impact force when the existing device is used is solved; at first with cutting bit 4 through riveting block 17 activity cup joint in riveting groove 19 inboard, then the extrusion presses cutting bit 4 for cutting bit 4 drives riveting block 17 and removes to drilling rod 1 one end, then struts the inseparable laminating in upper and lower both ends with riveting block 17 inboard under wedge 18's effect, thereby realizes cutting bit 4's installation, has solved the problem that cutting bit 4 damages unable change when current device uses.

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

Claims

1. The utility model provides a good alloy drill bit of shock resistance, includes drilling rod (1), its characterized in that: the drill rod comprises a drill rod (1), a drill handle (5) is fixedly connected to one end of the drill rod, a connecting base (2) is movably sleeved on the outer side of the drill handle (5), a connecting clamping sleeve (6) is fixedly connected to one side of the drill handle (5), a piston rod (7) is movably sleeved on one end of the connecting clamping sleeve (6), a pressure cylinder (8) is movably sleeved on one end of the piston rod (7), a movable baffle (9) is fixedly connected to one end of the pressure cylinder (8), the movable baffle (9) is movably sleeved on the inner side of the connecting base (2), and fixed components are respectively arranged on the inner sides of the upper end and the lower end of the connecting base (2).

2. The alloy drill bit with good impact resistance as claimed in claim 1, wherein: riveting groove (19) have been seted up to one side of drilling rod (1), inboard one end fixedly connected with wedge (18) in riveting groove (19), the one end of drilling rod (1) is provided with cutting bit (4), one side fixedly connected with riveting block (17) of cutting bit (4), riveting block (17) cup joint in the inboard in riveting groove (19) through wedge (18) activity.

3. The alloy drill bit with good impact resistance as claimed in claim 1, wherein: fixed subassembly is including respectively the activity cup joint in connecting base (2) inboard hexagon socket nut (3) in both ends from top to bottom, the relative one side fixedly connected with threaded rod (11) of hexagon nut (3), movable cutting ferrule (12) have been cup jointed in the activity of the relative one side of threaded rod (11), the one end fixedly connected with screw thread cutting ferrule (14) of drillstock (5) are kept away from to the inboard of activity cutting ferrule (12), the one end that threaded rod (11) are close to drillstock (5) runs through in the inboard of activity cutting ferrule (12) and screw thread cutting ferrule (14) screw-thread cup joint, the activity is cup jointed coupling assembling is established to the inboard bottom of activity cutting ferrule (12).

4. The alloy drill bit with good impact resistance as claimed in claim 3, wherein: the connecting assembly comprises a limiting sliding block (16) movably sleeved on the inner side of the movable clamping sleeve (12), one end of the limiting sliding block (16) far away from the drill shank (5) is fixedly connected with a return spring (15), and one end of the limiting sliding block (16) close to the drill shank (5) is fixedly connected with a movable clamping block (13).

5. The alloy drill bit with good impact resistance as claimed in claim 1, wherein: one end of the inner side of the connecting base (2) is fixedly connected with a pressure spring (10), and one end of the pressure spring (10) is located on one side of the movable baffle plate (9).