CN219725539U

CN219725539U - Drilling tool for drill head

Info

Publication number: CN219725539U
Application number: CN202321013870.3U
Authority: CN
Inventors: 李立军; 宋利斌; 曹准根; 时冬生; 徐家贵; 王可
Original assignee: Zhejiang Aoli New Material Technology Co ltd
Current assignee: Zhejiang Aoli New Material Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-22
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a drilling tool for a rock drill head, and relates to the technical field of workpiece grinding. The pressing and fixing device comprises a table body, wherein a plurality of pressing and fixing devices are uniformly and fixedly connected to the edge of the table body, each pressing and fixing device comprises a rotating sleeve, each rotating sleeve is fixedly connected with the corresponding output end of a pressing driving source, the inner side of each rotating sleeve is respectively and rotatably connected with an extrusion rod, and the bottom side of each extrusion rod is uniformly and fixedly connected with a plurality of elastic piston rods. According to the utility model, through the use of the pressing fixing device, the platform outside the cylinder body is pressed by utilizing the lifting of the rotatable extrusion rod, so that the machine head is vertically pressed and fixed on the upper surface of the placing table, and the clamping plate is matched with the arrangement of the elastic piston rod, so that the clamping plate is attached to the outline of the machine head, and has a good fixing effect on the machine head with relatively irregularities; meanwhile, through the arrangement of the sliding block and the splitting table, the joint of the cylinder body and the placing table is placed, so that the machine head with the size and model is adapted to.

Description

Drilling tool for drill head

Technical Field

The utility model relates to the technical field of workpiece grinding, in particular to a drilling tool for a drill head.

Background

The rock drill is mainly used for rock drilling operation in mining tunnel tunneling, is also an important tool in railway, water conservancy construction and national defense stone engineering, can be used for wet rock drilling on medium hard rock and hard rock, can drill horizontal and inclined blast holes, and is characterized in that a nose of the rock drill is generally cylindrical, an outwardly extending platform is arranged on the outer side of the nose, and blanks are mostly forgings or precision casting pieces.

The utility model patent of China with the publication number of CN216939806U discloses a hole grinding tool for silicon carbide workpieces, a positioning notch is formed in the side wall of a chuck through the arrangement of a positioning plate, a mounting plate is arranged on the outer side wall of the positioning plate, a grinding wheel is rotatably arranged between the inner side wall of the positioning notch and the mounting plate, and a driving assembly for driving the grinding wheel to rotate is arranged on the upper surface of a sliding plate, so that the hole grinding tool has the effects of realizing grinding processing on the silicon carbide workpieces and reducing the fracture damage risk of the workpieces.

However, in actual use, the nose blank of the rock drill may be subjected to hole grinding operation without grinding, so that the outline of the nose may be irregular, the workpiece is difficult to clamp due to the fact that the clamping of the workpiece is difficult, the clamping precision of a two-jaw tool with conventional design is not too high, and therefore, the nose hole grinding tool of the rock drill is developed.

Disclosure of Invention

The utility model aims to provide a drilling tool for a rock drill head, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rock drill aircraft nose grinds hole frock, includes places the platform, place the platform and include the stage body, the even fixedly connected with in edge of stage body presses fixing device, every press fixing device all including a rotation cover, every rotate the cover all with the corresponding pressing drive source output fixed connection, and its inboard rotates respectively and is connected with an extrusion rod, every the bottom of extrusion rod all even fixedly connected with many elastic piston rods, every the bottom of elastic piston rod is a fixedly connected with grip block respectively, every the both sides of grip block are a fixedly connected with elasticity side band respectively, and every elasticity side band's one end all with the bottom side fixed connection of corresponding extrusion rod.

Preferably, the outer side of each rotating sleeve is respectively connected with a circle of sliding hoop in a rotating way, two supporting rods are symmetrically and fixedly connected to two sides of each sliding hoop, and a positioning beam is fixedly connected between the top ends of the two supporting rods.

Preferably, the inner side of each positioning beam is movably connected with a fixing bolt, and the bottom end of each fixing bolt is contacted with the top side of the corresponding extrusion rod.

Preferably, the top layer of the platform body is uniformly and circumferentially provided with a plurality of sliding grooves, a sliding block is slidably connected between the inner walls of each sliding groove, and the top end of each sliding block is fixedly connected with a splitting platform respectively.

Preferably, a layer of the table body is fixedly connected with a processing frame, and one end of the processing frame extends to the upper part of the table body.

Preferably, a lifting device is fixedly connected to one side, facing the table body, of the processing frame, a driving device is fixedly connected to the output end of the lifting device, and a cutter head is fixedly connected to the output end of the driving device.

Compared with the prior art, the utility model has the beneficial effects that:

according to the drilling machine head hole grinding tool, through the use of the pressing fixing device, the platform outside the cylinder body is pressed by the lifting of the rotatable extrusion rod, so that the machine head is vertically pressed and fixed on the upper surface of the placing table, and the clamping plate is matched with the arrangement of the elastic piston rod, so that the clamping plate is attached to the outline of the machine head, and has a good fixing effect on the machine head with irregularities;

meanwhile, through the arrangement of the sliding block and the splitting table, the joint of the cylinder body and the placing table is placed, so that the machine head with the size and model is adapted to.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a schematic view of a hole grinding device according to the present utility model;

FIG. 3 is a schematic view of a pressing fixture according to the present utility model;

fig. 4 is a schematic view of the structure of the placement table of the present utility model.

In the figure: 1. a hole grinding device; 101. a cutter head; 102. a driving motor; 103. a telescopic cylinder; 2. pressing the fixing device; 201. positioning a beam; 202. a slip collar; 203. an elastic side belt; 204. an elastic piston rod; 205. a clamping plate; 206. extruding a motor; 207. a rotating sleeve; 208. an extrusion rod; 209. a fixing bolt; 3. a placement table; 301. a splitting station; 302. a table body; 303. a chute; 304. a slide block; 4. and (5) processing the frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The rock drill is mainly used for rock drilling operation in mining tunnel tunneling, is also an important tool in railway, water conservancy construction and national defense stone engineering, and can perform pneumatic rock drilling, internal combustion rock drilling, electric rock drilling or hydraulic rock drilling on medium and hard rock according to the specific model of the rock drill, a hole is formed in the center of a machine head, and water is pressed in the rock drilling process to inhibit rock dust generation, moisten, wash and discharge the generated rock dust. Horizontal and inclined blastholes can be drilled, while the nose of a rock drill is generally cylindrical and provided with an outwardly extending platform on the outside of the nose, the blank being mostly a forging or precision casting.

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a rock drill aircraft nose grinds hole frock, including placing platform 3, place platform 3 and include the stage body 302, the even fixedly connected with of edge of stage body 302 presses fixing device 2, every presses fixing device 2 all to include a rotation cover 207, every rotation cover 207 all is with the fixed connection of corresponding pressing drive source output, in this embodiment, pressing drive source is a extrusion motor 206, can drive rotation cover 207 and go up and down, it is flush with the top of stage body 302 to need note, the inboard of every rotation cover 207 rotates respectively and is connected with a extrusion pole 208, because the position setting of extrusion motor 206 for the bottom side of extrusion pole 208 can be contacted with the top of stage body 302, simultaneously in this embodiment, extrusion pole 208 has the radian, through the normal running fit of each extrusion pole 208, extrude the top side of the aircraft nose outside platform of various sizes, thereby fix the aircraft nose vertically at the top of stage body 302.

In addition, the bottom side of each extrusion rod 208 is uniformly and fixedly connected with a plurality of elastic piston rods 204, the bottom end of each elastic piston rod 204 is respectively and fixedly connected with a clamping plate 205, two sides of each clamping plate 205 are respectively and fixedly connected with a piece of elastic side belt 203, and one end of each elastic side belt 203 is fixedly connected with the bottom side of the corresponding extrusion rod 208. During the extrusion process, the elastic piston rod 204 is correspondingly compressed along with the outline of the machine head, so that the clamping plate 205 can be attached to the surface outline of the platform outside the machine head, the machine head is prevented from tilting under the clamping action, and the elastic side belt 203 is arranged, so that the deflection of the elastic piston rod 204 is prevented to a certain extent.

An annular groove is respectively arranged on the outer side of each rotating sleeve 207, a circle of sliding hoops 202 are rotatably connected between the inner walls of each annular groove, two supporting rods are symmetrically and fixedly connected on two sides of each sliding hoop 202, and a positioning beam 201 is fixedly connected between the top ends of the two supporting rods. The inner side of each positioning beam 201 is movably connected with a fixing bolt 209, and the bottom end of each fixing bolt 209 is contacted with the top side of the corresponding extrusion rod 208. In this embodiment, the stay rod needs to have a certain width, and opposite sides thereof are in contact with two sides of the corresponding extrusion rod 208, so that the positioning beam 201 can rotate along with the rotation of the sliding hoop 202, and therefore, the rotation of the extrusion rod 208 is not hindered, and after the extrusion rod 208 rotates to a proper position, the extrusion rod 208 is pushed by the fixing bolt 209 towards the direction of the rotating sleeve 207 by screwing the fixing bolt 209, so that the extrusion rod 208 is tightly attached to the rotating sleeve 207, and the extrusion rod 208 cannot rotate, thereby determining the position of the extrusion rod 208.

A plurality of sliding grooves 303 are uniformly formed in the top layer of the platform body 302 in a surrounding mode, sliding blocks 304 are connected between the inner walls of each sliding groove 303 in a sliding mode, and a splitting platform 301 is fixedly connected to the top end of each sliding block 304. In this embodiment, all the splitting stages 301 may be pushed to a circular support stage assembled with each other, and a baffle is fixedly connected to the outer side of each splitting stage 301, so that one end of the handpiece without being ground is placed between the baffles, and in order to accommodate the handpiece, the splitting stages 301 may be pulled outwards, so that the handpiece may be placed adaptively.

A processing rack 4 is fixedly connected to one layer of the table body 302, and one end of the processing rack 4 extends to the upper side of the table body 302. One side of the processing frame 4 facing the table body 302 is fixedly connected with a lifting device, the output end of the lifting device is fixedly connected with a driving device, the output end of the driving device is fixedly connected with a tool bit 101, and the auxiliary hole grinding device 1 is arranged. It should be noted that the lifting device is a telescopic cylinder 103, and the driving device is a driving motor 102, so that the tool bit 101 can lift and rotate, contact with the surface of the tool bit to grind the hole, and the tool bit 101 can be aligned by the position adjustment of the splitting table 301, so that the hole grinding is facilitated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims

1. Drill aircraft nose grinds hole frock, including placing platform (3), its characterized in that: placing platform (3) including stage body (302), the even fixedly connected with in edge of stage body (302) presses fixing device (2), every press fixing device (2) all include one and rotate cover (207), every rotate cover (207) all with the corresponding pressing drive source output fixed connection, and its inboard rotates respectively and is connected with a extrusion rod (208), every the bottom side of extrusion rod (208) all even fixedly connected with many elastic piston rods (204), every the bottom of elastic piston rod (204) is fixedly connected with a grip block (205) respectively, every the both sides of grip block (205) are fixedly connected with a slice elasticity side band (203) respectively, and every the one end of elasticity side band (203) all with the bottom side fixed connection of extrusion rod (208) that corresponds.

2. The rock drill head hole grinding tool according to claim 1, wherein: the outer side of each rotating sleeve (207) is respectively connected with a circle of sliding hoop (202) in a rotating mode, two supporting rods are symmetrically and fixedly connected to two sides of each sliding hoop (202), and a positioning beam (201) is fixedly connected between the top ends of the two supporting rods.

3. The rock drill head hole grinding tool according to claim 2, wherein: the inner side of each positioning beam (201) is movably connected with a fixing bolt (209), and the bottom end of each fixing bolt (209) is contacted with the top side of a corresponding extrusion rod (208).

4. The rock drill head hole grinding tool according to claim 1, wherein: a plurality of sliding grooves (303) are uniformly formed in the top layer of the platform body (302) in a surrounding mode, sliding blocks (304) are connected between the inner walls of each sliding groove (303) in a sliding mode, and a splitting platform (301) is fixedly connected to the top end of each sliding block (304) respectively.

5. The rock drill head hole grinding tool according to claim 1, wherein: one layer of the table body (302) is fixedly connected with a processing frame (4), and one end of the processing frame (4) extends to the upper portion of the table body (302).

6. The rock drill head hole grinding tool according to claim 5, wherein: one side of the processing frame (4) facing the table body (302) is fixedly connected with a lifting device, the output end of the lifting device is fixedly connected with a driving device, and the output end of the driving device is fixedly connected with a cutter head (101).