External dust collecting mechanism for machine tool spindle

Abstract

An external dust collecting mechanism for a machine tool spindle belongs to the technical field of machine tool auxiliary equipment and comprises a negative pressure fan, dust treatment equipment, a protective cover, a brush ring, an electric cylinder, a guide rod and a fixing ring. A plurality of guide grooves are formed in the front side of the box body of the machine tool; the rear side of the brush ring and the front side of the protective cover are mounted together; the rear side of the protective cover and the front side of the fixing ring are installed together, a plurality of through holes are formed in the fixing ring, a plurality of guide rods are arranged at the inner side end of the protective cover, and the rear side of the fixing ring is installed on the front outer side of the box body. The plurality of guide rods are respectively positioned in the plurality of through holes of the brush ring and the plurality of guide grooves of the box body in a sliding manner; a fixing base is installed on the rear outer side of the brush ring, a barrel body of the electric cylinder is installed outside the box body, and a piston rod of the electric cylinder and one side of the fixing base are installed together. Dust and the like generated in the machining process can directly enter the dust treatment equipment through the protective cover, the fixing ring and the like, the probability that the dust floats in the air is reduced, and the health of workers and the surrounding air environment can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool accessory equipment technical field, especially a machine tool main shaft external dust collection mechanism. BACKGROUND

[0002] Machine tool (English name: machine tool) is the equipment of processing part, and drill, reamer, reamer, tap, die and knurling tool (hereinafter collectively referred to as tool) can be installed on the spindle of lathe to carry out corresponding processing.Machine tool tool in processing part, dust etc.

[0003] In existing machining, dust suction device is arranged at the side end of machine tool, and the motor of negative pressure fan (dust collector can also be used) drives the blade to rotate to generate negative pressure, and the dust generated in machining is sucked and discharged to the dust treatment equipment for harmless treatment and then discharged to the atmosphere.Although the existing dust suction device meets the production needs to some extent, but due to the structure, there are still the following technical defects.Specifically, since the spindle of machine tool and dust suction device are in split structure, most of the dust generated in tool machining first floats in the air, and then is sucked away by the negative pressure fan of dust suction device, so that the effect of dust recovery is relatively poor, if the dust cannot be effectively recovered, it will pollute the on-site environment and pose a threat to the health of workers (workers will be adversely affected by breathing dust, such as lung health), when processing graphite etc., graphite dust cannot be effectively and completely treated, and graphite dust enters the electrical components of machine tool, which also has the risk of causing short circuit of machine tool electrical equipment.In summary, it is particularly necessary to provide a device that can effectively treat the dust generated in machine tool machining. UTILITY MODEL CONTENTS

[0004] In order to overcome the disadvantages of the existing dust suction device matched with the spindle of machine tool due to the structure, the utility model provides that the elastic protective cover and the brush ring can seal the spindle as much as possible under the joint action of related mechanisms, the dust generated after processing can be sucked and discharged to the dust treatment equipment under the action of negative pressure fan through the dust suction port at the rear end of protective cover, the probability of dust floating in the air is reduced, and the health of workers and the surrounding air environment are well protected.

[0005] The technical scheme adopted by the utility model to solve its technical problems is:

[0006] The utility model provides a machine tool main shaft external dust collection mechanism, including negative pressure fan, dust processing equipment, protective cover, brush ring, electric jar, guide rod, fixed ring, the protective cover, brush ring, fixed ring are hollow structure, and the front side annular longitudinal distribution of the box body of machine tool has a plurality of guide grooves, and the rear side end of brush ring and the front side end of protective cover are installed together, the rear side end of protective cover and the front side end of fixed ring are installed together, and a plurality of through -holes are in fixed ring, and the inboard end of protective cover has a plurality of guide rods, and the front outside of box body is installed in the rear side of fixed ring, a plurality of guide rods are located in the through -hole of brush ring and the guide groove of box body respectively, the rear outside of brush ring is installed with fixed seat, and the cylinder of electric jar is installed outside the box body, and the piston rod of electric jar and one side of fixed seat are installed together.

[0007] Further, the outer diameter of the brush ring is smaller than the outer diameter of the protective cover, and the inner diameter of the brush ring is consistent with the inner diameter of the protective cover.

[0008] Further, the outer diameter and the length of the guide rod are respectively smaller than the inner diameter and the length of the guide groove.

[0009] Further, the protective cover and the brush ring are made of rubber material, and the protective cover has shrinkage elasticity.

[0010] Further, the upper end of the fixed ring is installed with a dust suction seat, the upper end of the dust suction seat is provided with an exhaust pipe, the other end of the exhaust pipe is connected with the air inlet pipe of the negative pressure fan, and the other end of the hose is connected with the air inlet pipe of the dust processing equipment.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the utility model is matched with the machine tool dust suction, and in the processing, since the protective cover has elasticity, the distance of the front and back movement of the protective cover driven by the electric jar is adjusted, so that the distance between the front side end of the brush ring and the workpiece is close, and thus the dust generated in the processing can directly enter the dust processing equipment under the negative pressure of the negative pressure fan through the protective cover, the fixed ring and the like, the probability of the dust floating into the air is reduced, the health of the workers and the surrounding air environment are well protected. In conclusion, the utility model has good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further explained below in combination with the drawings and examples.

[0013] Figure 1 is the overall plane structure schematic diagram of the utility model protective cover extension state.

[0014] Figure 2 is the overall plane structure schematic diagram of the utility model protective cover in compression state.

[0015] Figure 3 、 4 The utility model is the partial stereoscopic structure schematic diagram.

[0016] Figure 5 is the circuit diagram of the utility model. DETAILED DESCRIPTION

[0017] Figure 1 、 2 , 3, 4, a machine tool spindle external dust collection mechanism, including negative pressure fan (not shown in the figure), dust handling equipment (not shown in the figure), protective cover 1, brush ring 2, electric cylinder 3, guide rod 4, fixed ring 5, the protective cover 1, brush ring 2, fixed ring 5 is annular hollow structure, the box front end of the side of machine tool spindle 7 annular longitudinal distribution has four guide grooves 8, the front outside of guide groove 8 distribution has four fixed silk hole, the rear side end of brush ring 2 and the front side end of protective cover 1 are integrally formed and installed together, the inside annular distribution of fixed ring 5 has four through holes, the rear side end of protective cover 1 and the front side end of fixed ring 5 are sealed and bonded together with glue, the inside end annular distribution of protective cover 1 is installed four guide rods 4 (4 guide rods front end is installed in the rear side of annular fixed seat 21 through four bolts), the rear side of fixed ring 5 is installed through four bolts into four fixed silk holes on the front outside of box 9, the rear part of four guide rods 4 is respectively located in the four through holes of fixed ring 5 and the four guide grooves 8 (the transverse depth of guide groove 8 is greater than the length of guide rod 4) of box, the rear outside of brush ring is fixedly installed with an annular fixed seat 21, the cylinder of electric cylinder 3 is fixedly installed on the lower end outside of box 9, the front side end of piston rod of electric cylinder 3 and the lower end of fixed seat 21 are fixedly installed together, the positive and negative and negative and positive two pole power input end of electric cylinder 3 (M) (20W reciprocating electric telescopic rod finished product) and the two-way power output end of a power switch S are connected through wires, the two power input ends of power switch S and the two poles of DC 12V power supply are respectively connected through wires.

[0018] Figure 1 、 2 , 3, 4, the outer diameter of brush ring 2 is less than the outer diameter of protective cover 1, the inner diameter of brush ring 2 and the inner diameter of protective cover 1 are consistent. The outer diameter of guide rod 4 is less than the inner diameter of guide groove 8. Protective cover 1 and brush ring 2 are rubber material, protective cover 1 has shrinkage elasticity. The cutter 6 of machine tool is located in the middle part of protective cover 1 and brush ring 2. A dust suction seat 51 communicating with the inside thereof is welded on the middle part of the upper end of fixed ring, a exhaust pipe 511 communicating with the inside thereof is welded on the middle part of the upper end of dust suction seat 51, the other end of exhaust pipe 511 is connected with the air inlet pipe of negative pressure fan through a certain strength hose, the other end of the hose is connected with the air inlet pipe of dust handling equipment.

[0019] Figure 1 、 2, 3, 4, the utility model is matched with machine tool dust collection, in processing, because the protective cover 1 has elasticity, the distance of the protective cover 1 forward and backward movement is driven by adjusting electric cylinder 3, can make that the spacing between the front side end of brush ring 2 and processing workpiece is as close as possible, so that the dust generated in processing under the negative pressure force of negative pressure fan, can directly enter the dust treatment equipment through the dust collection seat 51 of protective cover 1, brush ring 2, fixed ring etc., because most of the dust in processing is directly into the dust treatment equipment through the protective cover 1, brush ring 2 of closed space, reduces the probability of dust floating to the air, can play good protection to the health of staff and surrounding air environment. Figure 5 As shown in the figure, when the staff pulls the handle of power switch S to left, the power input end 1, 2 feet of power switch S and two power output end 3, 4 feet are connected, so that the positive and negative poles of electric cylinder 3 (M) power input end are electrified, and the piston rod drives brush ring 2 to move to the rear end through fixed seat 21, and the front side end of brush ring 2 is relatively far from the processing component; when the staff pulls the handle of power switch S to right 2, the power input end 1, 2 feet of power switch S and the other two power output end 5, 6 feet are connected, so that the positive and negative poles of electric cylinder 3 (M) power input end are electrified, and the piston rod drives brush ring 2 to move to the front side end through fixed seat 21, and the front side end of brush ring 2 is relatively close to the processing component 10; through the above, the present new type can conveniently adjust the spacing between the front side of brush ring and workpiece, and the spacing between the front side end of brush ring 2 and workpiece is not contacted, which is the closest basis for standard, and better dust adsorption effect can be achieved.

[0020] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is limited to the details of the above-described exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0021] In addition, it should be understood that, although the present specification is described in terms of embodiments, the embodiments only include one independent technical scheme, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical scheme in the embodiments can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A machine tool spindle external dust collection mechanism, comprising a negative pressure fan, a dust treatment device, a protective cover, a brush ring, an electric cylinder, a guide rod, a fixed ring; characterized in that, The protective cover, the brush ring and the fixed ring are hollow structures, the front side of the box body of the machine tool is provided with a plurality of guide grooves distributed longitudinally in a ring shape, the rear end of the brush ring and the front end of the protective cover are installed together; the rear end of the protective cover and the front end of the fixed ring are installed together, the fixed ring is provided with a plurality of through holes, the inner end of the protective cover is provided with a plurality of guide rods, and the rear side of the fixed ring is installed on the front outer side of the box body; the plurality of guide rods are respectively slidably located in the plurality of through holes of the brush ring and the plurality of guide grooves of the box body; the rear outer side of the brush ring is provided with a fixed seat, the cylinder body of the electric cylinder is installed outside the box body, and the piston rod of the electric cylinder and one side of the fixed seat are installed together.

2. A machine tool spindle external dust collection mechanism according to claim 1, characterized in that, The outer diameter of the brush ring is smaller than the outer diameter of the protective cover, and the inner diameter of the brush ring is consistent with the inner diameter of the protective cover.

3. A machine tool spindle external dust collection mechanism according to claim 1, wherein The outer diameter and the length of the guide rod are respectively smaller than the inner diameter and the length of the guide groove.

4. A machine tool spindle external dust collection mechanism according to claim 1, characterized in that, The protective cover and the brush ring are made of rubber, and the protective cover has shrinkage elasticity.

5. A machine tool spindle external dust collection mechanism according to claim 1, wherein The upper end of the fixed ring is provided with a dust suction seat, the upper end of the dust suction seat is provided with an exhaust pipe, the other end of the exhaust pipe is connected with an air inlet pipe of a negative pressure fan, and the other end of a hose is connected with an air inlet pipe of a dust treatment device.

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