CN108326619B

CN108326619B - Roller sealing device of roller type chip removal machine, roller and roller chip removal machine

Info

Publication number: CN108326619B
Application number: CN201810153456.XA
Authority: CN
Inventors: 何国峰; 王宁; 马同堂; 赵亚宁
Original assignee: Ningbo Kocel Machine Tool Auxiliary Machinery Co Ltd
Current assignee: Ningbo Kocel Machine Tool Auxiliary Machinery Co Ltd
Priority date: 2018-02-22
Filing date: 2018-02-22
Publication date: 2020-08-21
Anticipated expiration: 2038-02-22
Also published as: CN108326619A

Abstract

The invention provides a roller sealing device of a chip removal machine, which is used for solving the technical problems that sealing failure is caused by aging and losing elasticity of sealing elements such as an end surface water seal, a packing and the like in the prior art, so that a large amount of chips are contained in a filtered cutting fluid, a machine tool pipeline is blocked, a cutter is additionally worn and the like. In addition, the invention also provides a roller of the chip removal machine and the roller chip removal machine, which utilize the structure and the working principle of the roller sealing device.

Description

Roller sealing device of roller type chip removal machine, roller and roller chip removal machine

Technical Field

The invention relates to the field of machine tool machining, in particular to a sealing structure for a roller device of a chip removal machine.

Background

The roller type chip removal machine is used for treating chips and cutting fluid generated by machining of a machine tool. Chips are separated from cutting fluid by adopting a scraper plate or a chain plate mode and then discharged, the cutting fluid is filtered by adopting a roller filtering device and then returns to a machine tool for reuse, and the internal roller device is required to be internally and externally sealed, namely unfiltered and filtered cutting fluid is separated. At present cylinder chip removal machine adopts the terminal surface water seal more, and sealed original paper such as packing realizes sealed function, because the flow direction of cutting fluid leads to the cylinder to locate the position to have a large amount of cuttings, the terminal surface water seal, and part wearing and tearing such as packing can inevitably produce wearing and tearing, and cutting fluid still can lead to the terminal surface water seal in addition, and sealed original paper such as packing is ageing and lose elasticity. The sealing failure can be caused by the abrasion and the aging of the sealing element, and the filtered cutting fluid also contains a large amount of chips, so that the problems of machine tool pipeline blockage, cutter extra abrasion and the like are caused.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides a roller sealing device of a roller type chip removal machine. The sealing device solves the problem of sealing failure, utilizes high-pressure cutting fluid as a sealing element, avoids using wearing parts such as end surface water seal, packing and the like, and has very reliable sealing mode.

The technical scheme provided by the invention is as follows: the utility model provides a cylinder sealing device of cylinder chip removal machine, cylinder sealing device installs two outsides at the cylinder symmetrically, and the structure includes: an inner ring positioned outside the roller, a movable ring fixedly connected with the inner ring through a second bolt, the movable ring is assembled on the side wall of the chip cleaner body, a convex ring is arranged on the outer wall of the movable ring between the side wall of the chip cleaner body and the front end of the movable ring, the inner wall is composed of a cylindrical hole and a conical hole, the inner wall of the cylindrical hole is contacted with the outer wall of the inner ring, the inner diameter of the conical hole close to the inner ring is the same as the inner diameter of the inner ring, the inner diameter of the conical hole close to the outer end is larger, the fixed ring is fixed between the convex ring and the side wall of the chip cleaner body, a cover plate arranged on the outer end surface of the movable ring, the cover plate and the fixed ring are fixed with the side wall of the chip cleaner body through a third bolt penetrating through the cover plate, the convex ring and the fixed ring, an annular cavity is formed by the cover plate, the convex ring and the fixed ring, the longitudinal, and communicates with the annular cavity.

When the machining precision of the inner ring and the movable ring assembling surface is poor, and an error exists, the inner ring and the movable ring can be assembled poorly and have poor sealing effect, and in order to solve the technical problem, furthermore, a plurality of through threaded holes are formed in the end surface of the inner ring (15) at equal intervals, a first bolt is installed in each threaded hole, a certain gap is formed between the inner ring and the movable ring axial assembling surface, a spring is installed in each gap, one end of each spring is installed in each threaded hole of the inner ring, and the other end of each spring is located on the end surface of the movable ring. The spring in the technical scheme applies axial pressure to the movable ring, so that the movable ring and the movable ring are assembled more stably in the axial direction.

In order to further enhance the sealing effect, a sealing ring is arranged in an annular cavity formed by the cover plate, the convex ring and the fixing ring, and the inner diameter of the sealing ring is the same as the outer diameter of the convex ring.

In order to further enhance the sealing effect between the movable ring and the inner ring, a sealing ring is arranged between the inner ring and the movable ring, and an elastic cushion is placed between the third bolt and the cover plate.

The technical effect of the technical scheme is as follows: the cutting fluid after filtering is squeezed into by the rotating ring, the outer loop, solid fixed ring, in the annular cavity that the sealing ring formed jointly by high pressure connector to the inside cutting fluid pressure of labyrinth annular cavity is higher than outside, and the inside high pressure cutting fluid of annular cavity outwards oozes from the clearance that is close to bulge loop department, and outside low pressure cutting fluid can not get into inside the annular cavity through this clearance. The high-pressure cutting fluid is used as a sealing element, so that wearing parts such as end surface water seal, packing and the like are avoided, the sealing device is more reliable, and unnecessary influence on production caused by frequent replacement of sealing parts is avoided; the sealing device with the high-pressure cutting fluid flowing reversely is reliable in sealing mode and good in sealing effect, and the problem of sealing failure of the roller device is thoroughly solved.

The present invention also provides a roller of a roller chip removal machine, the roller comprising: according to the roller sealing device described in the technical scheme, the chain wheel is arranged on the outer wall of the movable ring of the roller sealing device, is positioned on the inner side of the side wall of the chip removal machine main body, is close to the end part of the movable ring, and is fixed on the filter screen on the outer wall of the inner ring through the throat hoop, so that the roller sealing device forms a main body structure of a roller and is used for filtering cutting fluid.

The invention also provides a roller chip removal machine, which structurally comprises: the chip removal machine main part is divided into a horizontal section and an inclined ascending section, a chip removal port is arranged above the horizontal section of the chip removal machine main part and used for discharging cutting fluid containing chips into the chip removal machine, a tail part rotating device is arranged at the tail part of the horizontal section of the chip removal machine main part, a head part rotating device is arranged at the end part of the inclined ascending section of the chip removal machine main part, a scraper chain belt is connected with the tail part rotating device and is of a closed structure, the transmission of the scraper chain belt can be wound around the head part rotating device and the tail part rotating device, a roller device is arranged at the lower end of the intersection of the horizontal section and the inclined ascending section of the chip removal machine main part, the scraper chain belt is meshed with a chain wheel of the.

Further, the scraper chain band comprises: the scraper chains are symmetrically distributed and have a closed structure, the scrapers are connected with the scraper chains through self-locking bolts, and the scrapers are distributed between the two scraper chains at equal intervals.

The scraper chain belt in the previous technical scheme is replaced by a chain plate chain belt, the operation direction rotates reversely, and the scraper chain belt can be used for treating longer or agglomerated cuttings, namely the scraper chain roller chip removal machine.

Further, the structure of the link plate chain belt comprises: the chain plate piece, its longitudinal direction's both ends head is provided with the shaft hole structure, and the surface is provided with the bump that prevents the adhesion of smear metal, the link joint curb plate of being connected with the both sides of chain plate piece for keep off the bits, the link joint round pin axle of being connected through shaft hole structure and link joint piece, its both ends head is the riveting head, sets up the link joint chain in the link joint curb plate outside, the link joint chain is connected with the riveting head at link joint round pin axle both ends, and can rotate around link joint round pin axle, the baffle of interval welding in the link joint piece upper surface, be.

The working principle of the roller type chip removal machine is as follows: the chip removal machine runs clockwise, chips and cutting fluid generated by machining of the machine tool enter the chip removal machine body from the chip receiving port, and the chips are upwards scraped from the lower part of the chip removal machine along with the running of the scraper chain belt and are discharged from the chip removal port. The cutting fluid is filtered by the roller device, and the filtered cutting fluid flows out of the roller and returns to the machine tool for repeated use.

The technical effect of the technical scheme is that the roller device used by the chip removal machine is reliable in sealing mode and good in sealing effect, the problem of sealing failure of the roller device is thoroughly solved, unfiltered cutting fluid cannot enter the roller, and the technical problems that the tool is abraded due to the fact that the unfiltered cutting fluid is supplied to a machine tool again are avoided.

Drawings

FIG. 1 is a front view of a drum in the first and second embodiments;

FIG. 2 is a sectional view taken along the line B-B in FIG. 1, illustrating a drum sealing device according to a first embodiment;

FIG. 3 is a sectional side view of the scraper barrel chip ejector according to the third embodiment;

FIG. 4 is a schematic view showing a structure of a scraper chain belt according to a third embodiment;

FIG. 5 is a sectional side view of a chain plate type roller chip removal machine according to the fourth embodiment;

fig. 6 is a schematic structural view of the link plate chain belt in the fourth embodiment.

In the figure, 1-tail rotary device, 2-chip receiving port, 3-head rotary device, 4-chip removing port, 5-chip remover body, 6-roller device, 7-scraper chain belt, 11-chip remover body side wall, 12-high pressure joint, 13-throat hoop, 14-filter screen, 15-inner ring, 16-spring, 17-first bolt, 18-sealing ring, 19-chain wheel, 20-fixing ring, 21-third bolt, 22-cover plate, 23-sealing ring, 24-second bolt, 25-scraper, 26-self-locking bolt, 27-scraper chain, 28-moving ring, 28-1-convex ring, 29-elastic pad, 30-scraper chain, 31-pin shaft, 32-scraper side plate, 33-baffle, 34-link plate and 35-link plate chain belt.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, which illustrate preferred embodiments.

Example one

As shown in fig. 1 and 2, a roller sealing device of a roller type chip discharging machine, which is symmetrically installed at both outer sides of a roller, comprises: an inner ring 15 positioned outside the roller, a filter screen 14 fixed on the outer wall of the inner ring through a throat hoop 13, which forms the main body structure of the roller and is used for filtering cutting fluid, a movable ring 28 fixedly connected with the inner ring through a second bolt 24 and assembled with the main body side wall 11 of the chip discharging machine, a convex ring 28-1 is arranged on the outer wall of the movable ring between the main body side wall of the chip discharging machine and the front end of the movable ring, the inner wall is composed of a cylindrical hole and a conical hole, wherein the inner wall of the cylindrical hole is contacted with the outer wall of the inner ring, the inner diameter of the conical hole close to the inner ring is the same as the inner diameter of the inner ring, the larger the inner diameter of the conical hole close to the outer end is, a fixed ring 20 arranged between the convex ring 28-1 and the main body side wall 11 of the chip discharging machine, a cover plate 22 arranged on the outer end surface of the movable ring 28, the cover plate and the fixed ring are fixed with the main, the longitudinal sections of the high-pressure joint and the high-pressure joint are in a shape like a Chinese character 'hui', the high-pressure joint is arranged on a fixing ring 20, a pipe threaded hole is formed in the radial direction of the fixing ring 20, and the high-pressure joint is arranged in the pipe threaded hole and is communicated with an annular cavity. The end face of the inner ring 15 is provided with a plurality of through threaded holes at equal intervals, first bolts 17 are installed in the threaded holes, a certain gap is reserved between the inner ring and the axial assembly face of the movable ring, a spring 16 is installed in the gap, one end of the spring is installed in the threaded hole of the inner ring, and the other end of the spring is located on the end face of the movable ring. The spring in the technical scheme applies axial pressure to the movable ring, so that the movable ring and the movable ring are assembled more stably in the axial direction. And a sealing ring 23 is arranged in an annular cavity formed by the cover plate 22, the convex ring 28-1 and the fixing ring 20, and the inner diameter of the sealing ring 23 is the same as the outer diameter of the convex ring 28-1. A sealing ring 18 is arranged between the inner ring 15 and the movable ring 28, and an elastic cushion 29 is arranged between the third bolt 21 and the cover plate 22.

The working principle of this embodiment is as follows: the cutting fluid after filtering is squeezed into by the rotating ring, the outer loop, gu fixed ring, in the annular cavity that the sealing ring formed jointly by high pressure connector to the inside cutting fluid pressure of annular cavity is higher than outside, and the inside high pressure cutting fluid of annular cavity outwards oozes from the clearance that is close to bulge loop department, and outside low pressure cutting fluid can not get into inside the annular cavity through this clearance, has realized the sealed of cylinder.

Example two

As shown in fig. 1 and fig. 2, the roller of the roller chip removal machine is composed of a roller sealing device in the first embodiment, a chain wheel 19 is arranged on the outer wall of a rotating ring 28 of the roller sealing device, the chain wheel 19 is positioned on the inner side of the side wall of the chip removal machine main body, is close to the end part of the rotating ring, and is fixed on a filter screen 14 on the outer wall of an inner ring through a throat hoop 13, and the filter screen forms the main body structure of the roller and is used for filtering cutting fluid.

EXAMPLE III

As shown in fig. 3 and 4, the roller chip removal machine structurally comprises: chip removal machine main part 5, divide into horizontal segment and slope ascending section, install chip removal mouth 2 in chip removal machine main part horizontal segment top, be used for discharging the cutting fluid that contains the smear metal into the chip removal machine, set up afterbody slewer 1 at chip removal machine main part horizontal segment afterbody, set up head slewer 3 at chip removal machine main part slope ascending section tip, with head slewer 3, the scraper chain area 7 that the afterbody slewer 1 is connected, scraper chain area 7 is the enclosed construction, can drive around head slewer and afterbody slewer, set up cylinder device 6 at chip removal machine main part horizontal segment and slope ascending section junction lower extreme, scraper chain area 7 meshes with the sprocket 19 of cylinder device 6, drive around cylinder device 6. The scraper chain belt 7 comprises: the scraper chains 27 are symmetrically distributed left and right and are of a closed structure, the scrapers 25 are connected with the scraper chains through self-locking bolts 26, and the scrapers are distributed between the two scraper chains 27 at equal intervals.

The roller chip ejector in this embodiment may also be referred to as a scraped-surface roller chip ejector for handling shorter chips.

The specific implementation of this example is as follows: the scraper chain belt 7 runs clockwise, chips and cutting fluid generated by machine tool machining enter the chip remover body 5 from the chip receiving port 2, and the chips are scraped upwards from the lower part of the chip remover along with the running of the scraper chain belt 7 and are discharged from the chip removing port 4. The cutting fluid is filtered by the roller device 6, and the filtered cutting fluid flows out of the roller and returns to the machine tool for reuse. The cutting fluid is squeezed into by the rotating ring, the outer loop, solid fixed ring, in the annular cavity that the sealing ring formed jointly by high pressure joint 12 after filtering to the inside cutting fluid pressure of annular cavity is higher than outside, and the inside high pressure cutting fluid of annular cavity outwards oozes from the clearance that is close to bulge loop department, and outside low pressure cutting fluid can not get into inside the annular cavity through this clearance, has solved the sealed inefficacy problem of cylinder reliably.

Example four

As shown in fig. 5 and 6, a roller chip ejector replaces the flight chain belt 7 in the third embodiment with a link chain belt 35, and the structure of the link chain belt includes: the chain link plate comprises a chain link plate piece 34, wherein shaft hole structures are arranged at two ends of the longitudinal direction of the chain link plate piece, salient points for preventing chips from adhering are arranged on the surface of the chain link plate piece, chain link plate side plates 32 connected with two sides of the chain link plate piece 34 and used for blocking the chips, a chain link pin shaft 31 connected with the chain link plate piece 34 through the shaft hole structures is provided with rivet joints at two ends, a chain link chain 30 arranged on the outer sides of the chain link plate side plates 32 is connected with the rivet joints at two ends of the chain link plate pin shaft 31 and can rotate around the chain link plate pin shaft, and baffle plates 33 welded.

The specific implementation mode is as follows: the same as the third embodiment, except that the operation direction is changed to counterclockwise.

The roller chip removal machine in this embodiment may also be referred to as a chain plate roller chip removal machine, and may be used to handle longer or agglomerated chips.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a cylinder sealing device of cylinder chip removal machine, cylinder sealing device installs two outsides at the cylinder symmetrically, its characterized in that, and the structure includes:

an inner ring (15) located outside the drum;

the movable ring (28) is fixedly connected with the inner ring through a second bolt (24) and is assembled with the side wall (11) of the main body of the chip removal machine, a convex ring (28-1) is arranged on the outer wall of the movable ring between the side wall of the main body of the chip removal machine and the front end of the movable ring, the inner wall of the movable ring is composed of a cylindrical hole and a conical hole, the inner wall of the cylindrical hole is contacted with the outer wall of the inner ring, the inner diameter of the conical hole close to the inner ring is the same as the inner diameter of the inner ring, the inner diameter of the conical hole close to the outer end is larger, a certain gap is formed between the inner ring and the axial assembly surface of the movable ring, a spring (16) is installed in the gap, one end of;

a fixing ring (20) arranged between the convex ring (28-1) and the side wall (11) of the chip discharging machine main body;

the cover plate (22) is arranged on the outer end face of the movable ring (28), the cover plate and the fixing ring are fixed with the side wall of the main body of the chip removal machine through a third bolt (21) penetrating through the cover plate and the fixing ring, the cover plate, the convex ring (28-1) and the fixing ring form an annular cavity, and the longitudinal sections of the cover plate, the convex ring and the fixing ring are in a shape of Chinese character 'hui';

the high-pressure joint (12) is arranged on the fixing ring (20), a pipe threaded hole is formed in the radial direction of the fixing ring (20), and the high-pressure joint is arranged in the pipe threaded hole and communicated with the annular cavity.

2. The roller sealing device of a roller chip removal machine according to claim 1, characterized in that the end surface of the inner ring (15) is provided with a plurality of threaded holes at equal intervals, and the first bolts (17) are installed in the threaded holes.

3. The roller sealing device of the roller chip removal machine as claimed in claim 1, wherein the cover plate (22), the convex ring (28-1) and the fixing ring (20) form an annular cavity in which the sealing ring (23) is installed, and the inner diameter of the sealing ring (23) is the same as the outer diameter of the convex ring (28-1).

4. The roller sealing device of a roller chip removal machine according to claim 1, characterized in that a sealing ring (18) is arranged between the inner ring (15) and the movable ring (28).

5. The roller sealing device of a roller chip removal machine according to claim 1, characterized in that an elastic pad (29) is placed between the third bolt (21) and the cover plate (22).

6. A drum comprising a sealing device for the drum according to claim 1, characterized in that the outer wall of the rotating ring (28) is provided with a chain wheel (19) which is positioned inside the side wall of the body of the chip removing machine near the end of the rotating ring, and the structure further comprises: and a filter screen (14) fixed on the outer wall of the inner ring through a throat hoop (13) and forming a main body structure of the roller for filtering the cutting fluid.

7. A roller chip removal machine incorporating the roller of claim 6, the structure comprising:

the chip removal machine main body (5) is divided into a horizontal section and an inclined ascending section;

the chip removal port (2) is arranged above the horizontal section of the chip removal machine body and is used for discharging cutting fluid containing chips into the chip removal machine;

a tail part rotating device (1) arranged at the tail part of the horizontal section of the chip removal machine body;

the head turning device (3) is arranged at the end part of the inclined ascending section of the chip removal machine main body;

the scraper chain belt (7) is connected with the head slewing device (3) and the tail slewing device (1), and the scraper chain belt (7) is of a closed structure and can be transmitted around the head slewing device and the tail slewing device;

it is characterized by also comprising: the scraper chain belt (7) is meshed with a chain wheel (19) of the roller device (6) and is driven around the roller device (6).

8. The roller chip ejector according to claim 7, characterized in that said scraper chain belt (7) comprises: the scraper chain (27) which is distributed in bilateral symmetry and is of a closed structure is connected with the scraper chain through self-locking bolts (26), and the scrapers are distributed between the two scraper chains (27) at equal intervals.

9. The roller chip ejector according to claim 7, characterized in that the scraper chain belt (7) is replaced by a link chain belt (35).

10. The roller chip ejector according to claim 9, characterized in that said link chain belt (35) comprises:

the chain plate piece (34) is provided with shaft hole structures at two ends in the longitudinal direction, and salient points for preventing chips from adhering are arranged on the surface of the chain plate piece;

the chain plate side plates (32) are connected with two sides of the chain plate pieces (34) and are used for blocking scraps;

the chain plate pin shaft (31) is connected with the chain plate piece (34) through a shaft hole structure, and two ends of the chain plate pin shaft are riveted joints;

the chain plate chain (30) is arranged on the outer side of the chain plate side plate (32), is connected with the riveting joints at the two ends of the chain plate pin shaft (31) and can rotate around the chain plate pin shaft;

and the baffle plates (33) are welded on the upper surface of the chain plate sheet (34) at intervals and used for scraping scraps.