CN210997607U - Boring tool with dustproof function - Google Patents

Abstract

The utility model discloses a boring tool with dustproof function, comprising a machine base and a clamping mechanism arranged on the machine base for clamping and fixing a workpiece to be bored; the clamping mechanism is arranged through a support frame Above the machine base; the machine base under the clamping mechanism is provided with a dust collecting groove; the clamping mechanism includes a positioning seat fixed on the top of the support frame, and a thimble fixedly installed in the center of the positioning seat, and symmetrically arranged on the The guide rods on both sides of the positioning seat, the connecting seat integrally welded with the other end of the guide rod, and the clamping piece that can be detachably installed with the connecting seat; the guide rod has a J-shaped structure, which is integrally composed of a longitudinal rod and an oblique rod. An arc-shaped transition section is arranged between the inclined rod and the longitudinal rod; the arc-shaped transition section is evenly distributed with dust holes; Clean and collect, and avoid workpiece boring due to accumulation of slag.

Description

A boring tool with dustproof function

technical field

The utility model relates to a boring tool, in particular to a boring tool with a dustproof function, which belongs to the technical field of punch equipment.

Background technique

Boring refers to the further processing of forging, casting or drilling holes. Boring can expand the aperture, improve accuracy, reduce surface roughness, and can also better correct the deviation of the original hole axis. It is divided into general boring and deep hole boring. General boring can be done on ordinary lathes, and the boring tool can be fixed on the lathe tailstock or on the small tool holder. Deep hole boring requires a special deep hole drilling and boring machine. The knife needs to be equipped with a boring stalk, and a hydraulic pump station uses coolant to remove the iron chips. However, the general boring device often does not have the function of dustproof and waste collection during the working process, which has caused serious problems. pollution of the environment. Therefore, in order to solve the above problems, it is urgent to design a boring tool with dustproof function.

Utility model content

In order to solve the above problems, the utility model proposes a boring tool with dustproof function, which facilitates the cleaning and collection of boring slag, and avoids the influence of workpiece boring due to the accumulation of slag.

The boring tool with dustproof function of the utility model comprises a machine base, a clamping mechanism arranged on the machine base for clamping and fixing the workpiece to be bored, and a machine tool for performing the boring operation on the workpiece to be bored. boring mechanism; the clamping mechanism is arranged above the machine base through the support frame; the boring mechanism is movably arranged on the machine base through the lifting assembly; The clamping mechanism is suspended above the machine base through the support frame, and a dust collecting tank is set under the clamping mechanism to facilitate the cleaning and collection of boring slag;

The clamping mechanism includes a positioning seat fixed on the top of the support frame, a thimble fixed on the center of the positioning seat, a guide rod symmetrically arranged on both sides of the positioning seat, and a connecting seat integrally welded with the other end of the guide rod, and a clamp that can be detachably installed with the connecting seat; the guide rod is a J-shaped structure, which is made of a longitudinal rod and an oblique rod; the oblique rod is obliquely arranged at the lower end of the longitudinal rod, and the inclined lower end of the oblique rod is It is connected with the longitudinal rod; an arc-shaped transition section is arranged between the inclined rod and the longitudinal rod; the arc-shaped transition section is evenly distributed with dust holes, which connect the inclined low end of the inclined rod with the longitudinal rod, and connect the inclined rod with the longitudinal rod. An arc-shaped transition section with dust-dropping holes is set between the longitudinal bars. The slag falling on the inclined bar can fall to the dust-dropping hole of the arc-shaped transitional section along the inclined surface of the inclined bar, and then drop to the machine through the dust-dropping hole. In the dust collecting tank of the seat, it is convenient to concentrate and clean the slag on the guide rod; the ejector pin is fixed under the positioning seat through the ejector pin seat, and the upper end of the ejector pin is inserted into the ejector pin seat, and is fixedly connected with the ejector pin seat through the adjusting nut. Clamp and fix the workpiece to be bored between the clamping pieces on both sides, and rotate the adjusting nut to pull the ejector pin out of the ejector pin seat until the end of the ejector pin contacts the top surface of the workpiece to be bored, and rotate in the opposite direction Adjust the nut to fix the thimble and the thimble seat, and the three-end positioning makes the clamping more firm; the clamping piece and the connecting seat are detachably installed, and the matching clamping piece can be selected according to the outer diameter of the workpiece to be bored;

The boring mechanism includes a boring box, a transmission shaft installed through the boring box, a boring spindle drivingly connected with the transmission shaft, and a boring tool head mounted on the front end of the boring spindle, and the transmission shaft. The other end of the boring motor is driven and connected; the boring spindle is installed in the boring box through the boring bearing seat assembly; the boring tool head and the boring spindle are in a hollow structure, and the end of the boring tool There are exhaust holes evenly distributed; the boring bearing seat assembly is connected with a cooling fan; the boring bearing seat assembly is provided with an air intake hole that communicates with the inside of the boring spindle, and the air intake hole passes through the pipeline It is connected with the air outlet of the air cooler, and the hollow structure boring head and the boring spindle are used to connect the air outlet of the air cooler with the air inlet on the boring bearing seat assembly through the pipeline. The internal cavity of the boring spindle is connected. When the cooling fan is working, the cold air is pumped into the boring spindle through the pipeline and the air inlet, and blown out through the exhaust hole of the boring head, which can be used for the boring operation. The boring head is cooled down, and the slag generated during boring can be blown off, so as to avoid the influence of the workpiece boring due to the accumulation of slag.

Further, the lifting assembly includes a base fixedly connected with the machine base, a lifting cylinder arranged in the center of the base, and a lifting platform fixed on the top of the piston rod of the lifting cylinder; the boring mechanism is fixedly arranged on the lifting platform; A follow-up rod is also installed between the base and the lifting platform. When lifting, the lifting cylinder moves, and the piston rod of the lifting cylinder expands and contracts back and forth, thereby driving the lifting platform to rise and fall up and down; a follow-up rod is arranged between the base and the lifting platform. Improve the stability when lifting.

As a preferred embodiment, the periphery of the machine base is provided with a dust-proof enclosure to prevent slag from splashing out from the machine base and affecting the peripheral production environment.

As a preferred embodiment, a threaded section is provided at the end of the thimble facing away from the thimble seat; a dust cover is threadedly fixed on the outer side of the threaded section of the thimble, and a dust cover is provided at the lower end of the thimble to prevent upward splashing generated during boring. The slag is blocked under the dust cover, which can effectively prevent the slag from flying out of the machine base from above and affect the production environment.

Further, the clamping members on both sides are arranged facing each other, and the clamping part and the connecting part are made in one piece; the inner side of the clamping part is in an arc-shaped structure; the connection part is on the side away from the clamping part A connecting boss is formed protruding outward; the connecting seat is fixedly connected with the connecting boss through the fastening bolt, and the clamping piece is fixed with the connecting seat of the guide rod through the fastening bolt, which is convenient for the disassembly and assembly of the clamping piece. The outer diameter of the workpiece to be bored is changed to the clamping piece to adapt to the boring processing of workpieces of different sizes, and the scope of use is wider.

Further, the upper end of the guide rod is inserted into the positioning hole reserved by the positioning seat, and is fixedly connected with the positioning seat by a positioning bolt.

As a preferred embodiment, the reserved positioning holes of the positioning seat are filled with dust plugs to prevent splashing slag from blocking the positioning holes, affecting the fixation of the guide rod, and facilitating the cleaning of the positioning holes.

As a preferred embodiment, both sides of the positioning seat are symmetrically installed with a sliding table screw assembly along its length direction; a backing plate with a threaded connection hole is installed on the sliding table of the sliding table screw assembly; The upper end of the guide rod is fixedly connected to the backing plate on the sliding table of the slide table screw assembly through the fixing bolt, and the guide rod is connected to the positioning seat through the slide table screw assembly. When the distance is adjusted, the two sliding table screw assemblies are adjusted at the same time, so that the sliding table of the sliding table screw assembly drives the guide rod to move back and forth along the length of the positioning seat, realizing automatic positioning and easier operation.

Compared with the prior art, the utility model has a dust-proof boring tool, which connects the inclined lower end of the oblique rod with the vertical rod, and sets a dust hole between the oblique rod and the vertical rod. In the arc transition section, the slag falling on the inclined rod can fall along the inclined surface of the inclined rod to the dust hole of the arc transition section, and then fall into the dust collection tank of the machine base through the dust hole, which is convenient for the guide rod The slag is concentrated and cleaned on the machine; the hollow structure of the boring head and the boring spindle is used to connect the air outlet of the air cooler with the air intake hole on the boring bearing seat assembly through the pipeline. The internal cavity of the boring spindle is connected. When the cooling fan is working, the cold air is pumped into the boring spindle through the pipeline and the air inlet, and blown out through the exhaust hole of the boring head, which can be used for the boring operation. The boring head is cooled down, and the slag generated during boring can be blown off, so as to avoid the influence of the workpiece boring due to the accumulation of slag.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention.

FIG. 2 is an enlarged schematic view of the structure of the A part of the present invention.

Figure 3 is a schematic structural diagram of the boring mechanism of the present invention.

4 is a schematic diagram of the installation structure of the clamping mechanism according to the second embodiment of the present invention.

5 is a schematic diagram of the installation structure of the clamping mechanism according to the third embodiment of the present invention.

The components in the drawings are marked as: 1- machine base, 2- support frame, 3- lift assembly, 31- base, 32- lift cylinder, 33- lift platform, 34- follower rod, 5- positioning seat, 6 -Ejector pin, 61-threaded section, 7-guide rod, 71-longitudinal rod, 72-oblique rod, 73-arc transition section, 8-connection seat, 9-clamping piece, 91-clamping part, 92-connection part, 93-connecting boss, 10-dust hole, 11-thimble seat, 12-adjusting nut, 13-boring chassis, 14-transmission shaft, 15-boring spindle, 16-boring cutter head, 161-row Air hole, 17-boring motor, 18-boring bearing seat assembly, 19-air cooler, 20-air intake hole, 21-pipeline, 22-fastening bolt, 23-locating hole, 24-locating bolt, 26-dust plug, 27-dust cover, 28-slide screw assembly, 29-backing plate, 30-fixing bolt.

Detailed ways

Example 1:

As shown in Fig. 1 to Fig. 3, the boring tool with dustproof function of the present invention comprises a machine base 1, and a clamping mechanism arranged on the machine base 1 for clamping and fixing the workpiece to be bored, and The boring mechanism used for the boring operation of the workpiece to be bored; the clamping mechanism is arranged above the machine base 1 through the support frame 2; the boring mechanism is movably arranged on the machine base 1 through the lifting assembly 3; the The machine base 1 below the clamping mechanism is provided with a dust collecting tank;

The clamping mechanism includes a positioning seat 5 fixed on the top of the support frame 2, a thimble 6 fixedly installed in the center of the positioning seat 5, and a guide rod 7 symmetrically arranged on both sides of the positioning seat 5, and the other side of the guide rod 7. A connecting seat 8 with one end welded integrally, and a clamping member 9 detachably installed with the connecting seat 8; the guide rod 7 is a J-shaped structure, which is made of a longitudinal rod 71 and an inclined rod 72; the inclined rod 72 It is inclined at the lower end of the longitudinal rod 71, and the inclined lower end of the inclined rod 72 is connected with the longitudinal rod 71; an arc-shaped transition section 73 is arranged between the inclined rod 72 and the longitudinal rod 71; the arc-shaped transition sections 73 are evenly distributed There is a dust hole 10; the ejector pin 6 is fixed under the positioning seat 5 through the ejector pin seat 11, and the upper end of the ejector pin 6 is inserted into the ejector pin seat 11, and is fixedly connected with the ejector pin seat 11 through the adjusting nut 12;

The boring mechanism includes a boring box 13, a transmission shaft 14 installed through the boring box 13, a boring spindle 15 connected to the transmission shaft 14, and a boring tool installed at the front end of the boring spindle 15. The head 16, and the boring motor 17 connected to the other end of the transmission shaft 14; the boring spindle 15 is installed in the boring box 13 through the boring bearing seat assembly 18; the boring tool head 16 and the boring The main shaft of the hole has a hollow structure of 15, and the ends of the boring cutter head 16 are evenly distributed with exhaust holes 161; the boring bearing seat assembly 18 is connected with a cooling fan 19; the boring bearing seat assembly 18 is provided with The air inlet 20 communicates with the inside of the boring spindle 15 , and the air inlet 20 is connected to the air outlet of the cooling fan 19 through a pipeline 21 .

The lifting assembly 3 includes a base 31 fixedly connected with the machine base 1, a lifting cylinder 32 arranged in the center of the base 31, and a lifting platform 33 fixed on the top of the piston rod of the lifting cylinder 32; the boring mechanism is fixedly arranged on the On the lifting platform 33 ; a follower rod 34 is also installed between the base 31 and the lifting platform 33 .

A dust-proof enclosure is arranged on the periphery of the machine base 1 .

The clamping members 9 on both sides are arranged facing each other, and the clamping part 91 and the connecting part 92 are made in one piece; the inner side of the clamping part 91 has an arc structure; the connecting part 92 is away from the clamping part A connecting boss 93 is formed on one side of the 91 protruding outwards; the connecting seat 8 is fixedly connected with the connecting boss 93 through the fastening bolt 22 .

The upper end of the guide rod 7 is inserted into the positioning hole 23 reserved in the positioning seat 5 , and is fixedly connected with the positioning seat 5 by a positioning bolt 24 .

A dust plug 26 is filled in the reserved positioning hole 23 of the positioning seat 5 .

Example 2:

As shown in FIG. 4 , the structure of the boring tool with dustproof function of the present invention is basically the same as that of Embodiment 1, wherein, the end of the ejector pin 6 away from the ejector pin seat 11 is provided with a threaded section 61; A dust cover 27 is threadedly fixed on the outer side of the threaded section.

Example 3:

As shown in FIG. 5 , the structure of the boring tool with dust-proof function of the present invention is basically the same as that of Embodiment 1, wherein the sliding table screw assemblies are symmetrically installed on both sides of the positioning seat 5 along its length direction. 28; the sliding table screw assembly 28 is provided with a backing plate 29 with its own threaded connection hole on the sliding table; the upper end of the guide rod 7 is connected to the sliding table screw assembly 28 on the sliding table through the fixing bolt 30 The backing plate 29 is fixedly connected.

In the boring tool with dustproof function of the utility model, the clamping mechanism is suspended above the machine base through the support frame, and a dust collecting groove is arranged under the clamping mechanism, so as to facilitate the cleaning and collection of the boring slag;

Connect the inclined lower end of the inclined rod to the longitudinal rod, and set an arc transition section with dust holes between the inclined rod and the longitudinal rod, and the slag falling on the inclined rod can fall along the inclined surface of the inclined rod To the dust hole of the arc transition section, and fall into the dust collection tank of the machine base through the dust hole, which is convenient for the slag on the guide rod to be concentrated and cleaned; The slag splashing upward is blocked under the dust cover, which can effectively prevent the slag from flying out of the machine base from above and affecting the production environment;

The hollow-structured boring head and boring spindle are used to connect the air outlet of the cooler with the air intake hole on the boring bearing seat assembly through a pipeline. When the air cooler is working, the cold air is pumped into the boring spindle through the pipeline and the air inlet, and blown out through the exhaust hole of the boring head, which can cool down the boring head during the boring operation, and also The slag generated during boring can be blown off to avoid the impact of the workpiece boring due to the accumulation of slag.

The above-mentioned embodiments are only preferred embodiments of the present invention, so all equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention. Inside.

Claims (8)

1. A boring tool with a dustproof function comprises a base, a clamping mechanism and a boring mechanism, wherein the clamping mechanism is arranged on the base and used for clamping and fixing a workpiece to be bored; the method is characterized in that: the clamping mechanism is arranged above the base through a support frame; the boring mechanism is movably arranged on the base through a lifting assembly; a dust collecting groove is formed in the machine base below the clamping mechanism;

the clamping mechanism comprises a positioning seat fixed on the top of the support frame, a thimble fixedly arranged in the center of the positioning seat, guide rods symmetrically arranged on two sides of the positioning seat, a connecting seat integrally welded with the other ends of the guide rods, and a clamping piece detachably arranged on the connecting seat; the guide rod is of a J-shaped structure and is integrally made of a longitudinal rod and an inclined rod; the inclined rod is obliquely arranged at the lower end of the longitudinal rod, and the oblique lower end of the inclined rod is connected with the longitudinal rod; an arc transition section is arranged between the inclined rod and the longitudinal rod; dust falling holes are uniformly distributed in the arc transition section; the ejector pin is fixed below the positioning seat through an ejector pin seat, and the upper end of the ejector pin is inserted into the ejector pin seat and is fixedly connected with the ejector pin seat through an adjusting nut;

the boring mechanism comprises a boring case, a transmission shaft, a boring main shaft, a boring cutter head and a boring motor, wherein the transmission shaft penetrates through the boring case, the boring main shaft is in transmission connection with the transmission shaft, the boring cutter head is arranged at the front end of the boring main shaft, and the boring motor is in transmission connection with the other end of the transmission shaft; the boring main shaft is arranged in the boring machine box through a boring bearing seat assembly; the boring cutter head and the boring main shaft are of hollow structures, and exhaust holes are uniformly distributed at the end part of the boring cutter head; the boring bearing seat assembly is connected with an air cooler; and the boring bearing seat assembly is provided with an air inlet communicated with the interior of the boring main shaft, and the air inlet is connected with an air outlet of the air cooler through a pipeline.

2. The boring tool with the dustproof function according to claim 1, characterized in that: the lifting assembly comprises a base fixedly connected with the base, a lifting cylinder arranged in the center of the base and a lifting platform fixed at the top end of a piston rod of the lifting cylinder; the boring mechanism is fixedly arranged on the lifting platform; and a follower rod is also arranged between the base and the lifting platform.

3. The boring tool with the dustproof function according to claim 1, characterized in that: and the periphery of the machine base is provided with a dustproof coaming.

4. The boring tool with the dustproof function according to claim 1, characterized in that: a threaded section is arranged at one end of the thimble, which is far away from the thimble seat; and a dust cover is fixed on the outer side of the thread section of the thimble through threads.

5. The boring tool with the dustproof function according to claim 1, characterized in that: the clamping pieces on the two sides are arranged oppositely, and the clamping parts and the connecting parts are integrally manufactured; the inner side of the clamping part is of an arc structure; one side of the connecting part, which is far away from the clamping part, protrudes outwards to form a connecting boss; the connecting base is fixedly connected with the connecting boss through a fastening bolt.

6. The boring tool with the dustproof function according to claim 1, characterized in that: the upper end of the guide rod is inserted into a positioning hole reserved in the positioning seat and fixedly connected with the positioning seat through a positioning bolt.

7. The boring tool with the dustproof function according to claim 1 or 6, wherein: and a dustproof plug is filled in the reserved positioning hole of the positioning seat.

8. The boring tool with the dustproof function according to claim 1, characterized in that: sliding table lead screw assemblies are symmetrically arranged on two sides of the positioning seat along the length direction of the positioning seat; a base plate with a threaded connecting hole is arranged on a sliding table of the sliding table lead screw assembly; the upper end of the guide rod is fixedly connected with a base plate on a sliding table of the sliding table lead screw assembly through a fixing bolt.

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