CN211915641U - Multiple waterproof sealing structure of planer type milling machine transmission part - Google Patents
Multiple waterproof sealing structure of planer type milling machine transmission part Download PDFInfo
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- CN211915641U CN211915641U CN202020426458.4U CN202020426458U CN211915641U CN 211915641 U CN211915641 U CN 211915641U CN 202020426458 U CN202020426458 U CN 202020426458U CN 211915641 U CN211915641 U CN 211915641U
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Abstract
The utility model discloses a multiple waterproof sealing structure of planer-type milling machine drive disk assembly belongs to planer-type milling machine technical field. The outer side end of the bearing is provided with an outer side bearing waterproof spacer ring, wherein the outer end part of the bearing positioned on one side of the tail end seat is provided with a bearing gland, the two end parts of the bearing positioned on one side of the motor seat are provided with bearing glands, the positions where the outer side bearing waterproof spacer ring is attached to the bearing glands are provided with a plurality of groups of grooves which correspond up and down, and the plurality of groups of grooves form a mechanical seal stop ring; the bottom of the bearing gland positioned outside the tail end seat is provided with a bearing gland water leakage hole communicated with the outside, and the bottom of the inner side of the tail end seat is provided with a tail end seat water leakage hole penetrating through the tail end seat. The utility model aims to overcome current lathe drive disk assembly's seal structure is simple, and sealed effect is poor not enough, through multiple sealing, stops cutting iron fillings, cutting fluid to the invasion of bearing, can protect the bearing better, has improved lathe drive disk assembly's positioning accuracy.
Description
Technical Field
The utility model relates to a milling machine technical field, more specifically say, relate to a planer-type milling machine drive disk assembly's multiple waterproof sealing structure.
Background
As is well known, the screw rod is an important part of a machine tool transmission system, and in the machining process, the cutting iron chips mixed with oil and water splashes around in the machining process, and easily flows downwards to the inside of the bearing along the screw rod, so that the screw rod is one of main reasons for causing rusting and damage of the bearing, and the normal use of the machine tool is influenced.
At present, the sealing structures of a transmission system adopted by various machine tool manufacturers are mainly sealing structures such as a groove or an oil slinger arranged at one end of a screw rod and a spacing ring at two ends of a bearing, a sealing ring arranged at one end of the bearing and the like, so that the invasion of cutting scrap iron, cutting fluid and cutting oil into the bearing is reduced, and the service life of the bearing is prolonged. However, the sealing structure of the transmission system of the existing machine tool is simple, and can not completely prevent cutting iron chips, cutting fluid and cutting oil from entering the inside of the bearing, so that the aim of designing a waterproof sealing structure of the machine tool transmission part with good sealing effect and diversified sealing structure is always pursued in the industry.
Through retrieval, a large number of patents have been published on the waterproof sealing structure of the milling machine transmission part, such as the Chinese patent application number: 2018201993585, the name of invention creation is: the application discloses a sealing structure of a three-axis transmission system of a machining center, which comprises a screw rod, a tail end bearing chamber at the left end of the screw rod, a motor end bearing chamber at the right end of the screw rod, a sealing bearing between the tail end bearing chamber and the motor end bearing chamber as well as between the motor end bearing chamber and the screw rod, locking nuts at two ends of the screw rod, a spacer ring at the inner side of the locking nut, a gland at the outer ring of the spacer ring and the sealing structure; the sealing structure comprises a tail end dust cover, a left sealing ring, a left labyrinth oil slinger, a right sealing ring, a sealing bearing, a right sealing ring and a waterproof cover plate of a motor end bearing chamber. The scheme is a good exploration for the waterproof sealing structure of the milling machine transmission part, but still has a further promotion space, and the research on the waterproof sealing structure of the milling machine transmission part in the industry is never stopped.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome current machine tool drive disk assembly's seal structure is simple, and sealed effect is poor not enough, provides a planer type milling machine drive disk assembly's multiple waterproof sealing structure, through multiple sealed, protects layer upon layer, stops basically that cutting iron fillings, cutting fluid and cutting oil are to the invasion of bearing, can protect the bearing better, has not only improved machine tool drive disk assembly's positioning accuracy and stability, has still reduced lathe fault rate and cost of maintenance.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a multiple waterproof sealing structure of planer-type milling machine transmission part, the both ends of lead screw are provided with motor cabinet and tail end seat respectively, motor cabinet and tail end seat inside all are equipped with the bearing with lead screw matched with, bearing outside end is provided with outer side bearing waterproof spacer ring, wherein the outer tip of the bearing that is located tail end seat one side is provided with the bearing gland, the bearing both ends that are located one side of motor cabinet all are provided with the bearing gland, and the position that outer side bearing waterproof spacer ring and bearing gland laminated mutually all is provided with the recess that multiunit corresponds from top to bottom, multiunit recess constitutes mechanical seal stop ring; the bottom of the bearing gland positioned outside the tail end seat is provided with a bearing gland water leakage hole communicated with the outside, and the bottom of the inner side of the tail end seat is provided with a tail end seat water leakage hole penetrating through the tail end seat.
As a further improvement, the bearing cover bottom positioned at the inner side and the outer side of the motor seat is provided with a bearing cover water leakage hole communicated with the outside.
As a further improvement, the inner side end of the screw rod close to the tail end seat is provided with a V-shaped end surface oil seal, the inner circle sleeve of the V-shaped end surface oil seal is arranged at the periphery of the screw rod, and the outer circle of the V-shaped end surface oil seal is laminated with the inner side of the tail end seat.
As a further improvement, the medial extremity that the lead screw is close to the motor cabinet is provided with V type terminal surface oil blanket, and the inner circle cover of V type terminal surface oil blanket is established in the lead screw periphery, and the outer lane of V type terminal surface oil blanket is laminated mutually with the bearing gland inboard.
As a further improvement, the end cover on the lead screw near the tail end seat side is provided with a lead screw waterproof cover, and the lead screw waterproof cover is arranged outside the bearing gland.
As a further improvement, the bearing inner end located tail end seat one end is provided with the waterproof spacer ring of inboard bearing, and wherein the position that the waterproof spacer ring of inboard bearing and tail end seat laminated mutually all is provided with the multiunit recess, and the multiunit recess constitutes mechanical seal stop ring.
As a further improvement of the utility model, a bearing positioned at one side of the tail end seat is fixed inside the tail end seat through a bearing seat, and an O-shaped sealing ring I is arranged between a bearing gland outside the tail end seat and the bearing seat; an O-shaped sealing ring II is arranged between the outer bearing waterproof spacer ring positioned at one end of the tail end seat and the screw rod; and an O-shaped sealing ring III is arranged between the inner side bearing waterproof spacer ring positioned at one end of the tail end seat and the screw rod.
As a further improvement of the utility model, an O-shaped sealing ring IV and an O-shaped sealing ring V are respectively arranged between the bearing gland at the inner end and the outer end of the motor base and the motor base; and an O-shaped sealing ring VI is arranged between the bearing waterproof spacer ring at the outer side of one side of the motor base and the screw rod.
As a further improvement, the motor cabinet top is provided with the motor cabinet waterproof cover, and bending down all around of motor cabinet waterproof cover forms sealed manger plate limit, and the manger plate limit extends to the bearing gland outside.
As a further improvement of the utility model, the tail end seat top is provided with the tail end seat waterproof cover, and bending down all around of tail end seat waterproof cover forms sealed manger plate limit, and the manger plate limit extends to the lead screw waterproof cover outside, and the tail end seat waterproof cover inboard is provided with the breakwater.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the utility model discloses a multiple waterproof sealing structure of planer-type milling machine drive disk assembly, at first use motor cabinet waterproof cover and tail end seat waterproof cover installed on bearing room to block most large granule iron fillings and cutting fluid, cutting oil, prevent it from entering bearing room by the top and all around, constitute first waterproof sealing structure; the reuse is fixed at the lead screw waterproof cover of lead screw tip, lock nut, and the V type terminal surface oil blanket in the embedding lead screw outside, filter a few tiny iron fillings and the oil water mixture that gets into, constitute second way waterproof sealing structure, then utilize 6O type sealing washers and the mechanical seal stop ring of installing at two bearing room both ends to block mixed profit and tiny iron fillings and get into, and utilize tail end seat hole and bearing gland hole that leaks to guide oil water mixture and tiny iron fillings to the transmission part outside, prevent it to continue to flow toward the bearing direction, constitute third way waterproof sealing structure, utilize the bearing waterproof spacer ring of bearing self to stop tiny iron fillings and waste water completely at last, the invasion of waste oil. Through the left and right double sealing of the bearings on the two sides of the screw rod, the heavy blockage forms a three-dimensional all-dimensional dustproof and waterproof sealing structure, the positioning precision and stability of a transmission part are protected, the service life of a machine tool is prolonged, and the fault rate and the maintenance cost of the machine tool are reduced.
(2) The utility model discloses a planer-type milling machine drive disk assembly's multiple waterproof sealing structure, bearing outside end are provided with the waterproof spacer ring of outside bearing, prevent water, oil and continue to flow in toward the bearing is inside to can guide water, oil to the bearing below to flow, adopted sealed bearing, form the protection of the one deck of most inboard to the bearing, improved the life of bearing. Wherein the outer tip that is located the bearing of tail end seat one side is provided with the bearing gland, and the bearing both ends that are located one side of motor cabinet all are provided with the bearing gland, and the position that the waterproof spacer ring of outside bearing and bearing gland laminated mutually all is provided with the recess that corresponds from top to bottom of multiunit, and multiunit recess has constituted mechanical seal stop ring. In the movement process of the machine tool, the mechanical seal blocking ring forms a mechanical seal state, can block the invasion of the scrap iron, cutting fluid and cutting oil which move at high speed to the bearing in a working state, can better protect the bearing, not only improves the positioning precision and the stability of a transmission part of the machine tool, but also reduces the fault rate and the maintenance cost of the machine tool.
(3) The utility model discloses a multiple waterproof sealing structure of planer-type milling machine transmission part, the bearing gland bottom that is located the tail end seat outside is seted up with external communicating bearing gland hole that leaks, and the tail end seat hole that leaks that runs through is seted up to the inboard bottom of tail end seat. The design in bearing gland hole and the tail end seat hole that leaks not only can avoid small part to get into the indoor iron fillings of cutting of bearing, cutting fluid and cutting oil and accumulate in the tail end seat bearing room, prevents it to continue to flow toward the bearing direction, can also improve drive disk assembly's sealing performance, avoids influencing drive disk assembly's location precision and machining precision.
(4) The utility model discloses a planer-type milling machine drive disk assembly's multiple waterproof sealing structure, the medial extremity that the lead screw is close to the tail end seat is provided with V type terminal surface oil blanket, and the inner circle cover of V type terminal surface oil blanket is established in the lead screw periphery, and the outer lane of V type terminal surface oil blanket is laminated mutually with the tail end seat inboard, constitutes a heavy sealed protection of bearing again, further blocks to cut iron fillings, cutting fluid and cutting oil entering infringement bearing.
(5) The utility model discloses a planer-type milling machine drive disk assembly's multiple waterproof sealing structure, the tip cover that is close to tail end seat one side on the lead screw is equipped with the lead screw waterproof cover, and the lead screw waterproof cover is established in the bearing gland outside, can block inside cutting iron fillings, cutting fluid and the cutting oil gets into drive disk assembly at the tip, has further improved drive disk assembly's waterproof sealing performance.
Drawings
FIG. 1 is a schematic view of a multi-waterproof sealing structure of a transmission part of a planer type milling machine according to the present invention;
fig. 2 is a schematic top view of the multiple waterproof sealing structure of the transmission part of the planer type milling machine of the present invention;
FIG. 3 is a schematic cross-sectional view of section G-G of FIG. 2;
FIG. 4 is an enlarged view of the structure at I in FIG. 3;
fig. 5 is an enlarged schematic view of the second part of fig. 3.
The reference numerals in the schematic drawings illustrate:
601. a first O-shaped sealing ring; 602. an O-shaped sealing ring II; 603. an O-shaped sealing ring III; 604. an O-shaped sealing ring IV; (ii) a 605. An O-shaped sealing ring V; 606. an O-shaped sealing ring six; 607. a V-shaped end face oil seal; 610. a screw rod; 620. a motor base; 621. a waterproof cover of the motor base; 630. a tail end seat; 631. a tail end seat waterproof cover; 632. a tail seat water leakage hole; 633. a water baffle; 640. a bearing gland; 641. a water leakage hole of the bearing gland; 650. a bearing; 651. a bearing seat; 652. the outer bearing waterproof spacer ring; 653. the inner side bearing waterproof spacer ring; 660. a mechanical seal barrier ring; 690. waterproof cover of lead screw.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
Referring to fig. 1 to 5, in the multiple waterproof sealing structure of the transmission part of the planer type milling machine of the present embodiment, a motor seat 620 and a tail end seat 630 are respectively disposed at two ends of a screw 610, bearings 650 matched with the screw 610 are disposed inside the motor seat 620 and the tail end seat 630, and the bearings 650 located at one side of the tail end seat 630 are fixed inside the tail end seat 630 through a bearing seat 651. In this embodiment, an outer bearing waterproof spacer 652 is disposed at an outer end of the bearing 650 to prevent water and oil penetrating into the motor mount 620 and the tail mount 630 from continuously flowing into the bearing 650 and guide the water and oil to flow below the bearing 650, and by using the sealing bearing 650, an innermost layer of protection is formed on the bearing 650, thereby improving the sealing performance and the service life of the bearing 650. The outer end of the bearing 650 located on one side of the tail end seat 630 is provided with a bearing gland 640, the two ends of the bearing 650 located on one side of the motor seat 620 are provided with the bearing glands 640, and the positions where the outer side bearing waterproof spacer ring 652 is attached to the bearing glands 640 are provided with a plurality of groups of grooves corresponding up and down, the plurality of groups of grooves form a mechanical seal stop ring 660, namely, a plurality of groups of annular grooves are formed between the outer side bearing waterproof spacer ring 652 and the bearing glands 640 in a circumferential direction. Specifically, as shown in fig. 4 and 5, a bearing cover 640 is disposed on the left side of the bearing 650 on the left side of the lead screw 610 in this embodiment, and bearing covers 640 are disposed on the left and right sides of the bearing 650 on the right side of the lead screw 610, as shown in fig. 4, a plurality of sets of grooves corresponding to each other up and down are disposed at the position where the bearing cover 640 on the left side of the left bearing 650 in this embodiment is attached to the outer bearing waterproof spacer 652 on the left side of the left bearing 650, and the plurality of sets of grooves cooperate to form a mechanical seal blocking ring 660. Meanwhile, an inner side bearing waterproof spacer ring 653 is arranged at the inner side end of the bearing 650 positioned on one side of the tail end seat 630, wherein a plurality of groups of grooves are formed in the positions where the inner side bearing waterproof spacer ring 653 and the tail end seat 630 are attached to each other, and the plurality of groups of grooves form a mechanical seal stop ring 660. Specifically, in this embodiment, one side of the tail end base 630 is attached to the bearing seat 651, the other side of the tail end base 630 is attached to the outer periphery of the inner bearing waterproof spacer 653, wherein a plurality of concave grooves are formed at the position where the inner bearing waterproof spacer 653 is attached to the tail end base 630, that is, a plurality of sets of semi-annular grooves are formed between the inner bearing waterproof spacer 653 and the tail end base 630 around the circumferential direction, and the plurality of sets of semi-annular grooves form the mechanical seal stop ring 660.
Similarly, as shown in fig. 5, in this embodiment, a plurality of sets of grooves corresponding up and down are provided at a position where the bearing gland 640 on the right side of the right side bearing 650 is attached to the outer bearing waterproof spacer 652 on the right side of the right side bearing 650, and the mechanical seal stop ring 660 is also formed by the cooperation of the plurality of sets of annular grooves. In addition, a plurality of inward concave grooves are arranged at the position where the bearing gland 640 at the left side of the right bearing 650 is attached to the screw 610, and a semi-annular mechanical seal blocking ring 660 is formed by the plurality of grooves. In the movement process of the machine tool, the mechanical seal blocking ring 660 is in a mechanical seal state, and can block scrap iron, cutting fluid and cutting oil which move at high speed in the working state from intruding into the bearing 650 from gaps among the bearing gland 640, the outer side bearing waterproof spacer ring 652, the tail end seat 630, the inner side bearing waterproof spacer ring 653, the bearing gland 640 and the lead screw 610, so that the bearing 650 can be better protected, the positioning precision and the stability of a transmission part of the machine tool are improved, and the fault rate and the maintenance cost of the machine tool are reduced.
As shown in fig. 4, in the present embodiment, the bottom of the bearing cover 640 located outside the tail seat 630 is provided with a bearing cover water leakage hole 641 communicating with the outside, and the bottom of the inside of the tail seat 630 is provided with a tail seat water leakage hole 632 penetrating through the bearing cover 640, and the tail seat water leakage hole 632 is communicated with the outside. Specifically, in this embodiment, the outer bearing water-proof spacer 652 is provided with a convex section protruding outwards, the bearing gland 640 at the left side of the tail end seat 630 is provided with a concave section corresponding to the convex section, the bottom of the groove section is provided with a bearing gland water leakage hole 641 communicated with the outside, as shown by the arrow in fig. 4, scrap iron, cutting fluid and cutting oil permeate into the bearing gland water leakage hole 641 from the gap between the outer bearing waterproof ring 652 and the left bearing gland 640, and is discharged through the bearing gland leakage hole 641. similarly, the bottom of the right side of the tail end seat 630 is provided with a tail end seat leakage hole 632 communicated with the outside, the tail end seat leakage hole 632 is arranged on the left side of the right mechanical seal stop ring 660, when a small amount of scrap iron, cutting fluid and cutting oil permeate into the tail seat water leakage holes 632 from the gap between the screw 610 and the right tail seat 630, the scrap iron, the cutting fluid and the cutting oil are discharged through the tail seat water leakage holes 632. Bearing gland hole 641 and tail end seat hole 632 that leaks's design not only can further avoid small part to get into the indoor iron fillings of cutting, cutting fluid and the cutting oil of bearing and guide its outside discharge in tail end seat 630 bearing chamber accumulation, prevent that it continues to flow toward bearing 650 direction, can also improve drive disk assembly's sealing performance, avoid influencing drive disk assembly's location precision and machining precision.
As shown in fig. 5, the bottom of the bearing cover 640 close to the inner and outer sides of the motor base 620 in this embodiment is provided with a through bearing cover water leakage hole 641. A bearing cover water leakage hole 641 is formed in the lower portion of the screw 610 in the bearing cover 640 on the left side of the motor base 620, and scrap iron, cutting fluid and cutting oil flow into the bearing cover water leakage hole 641 from a gap between the screw 610 and the bearing cover 640 on the left side and are discharged through the bearing cover water leakage hole 641. In the same way, a bearing cover water leakage hole 641 is formed in the lower portion of the screw 610 in the bearing cover 640 on the right side of the motor base 620, and scrap iron, cutting fluid and cutting oil flow into the bearing cover water leakage hole 641 from a gap between the bearing waterproof spacer ring 652 on the right side and the bearing cover 640 on the right side and are discharged through the bearing cover water leakage hole 641. The design of bearing gland hole 641 that leaks can avoid small part entering bearing chamber's cutting iron fillings, cutting fluid and cutting oil to accumulate in motor cabinet 620 bearing chamber, prevents it to continue to flow toward bearing 650 direction, avoids causing bearing 650 to damage, has further improved bearing 650's life.
In this embodiment, a V-shaped end face oil seal 607 is disposed at the end of the inner side of the screw 610 close to the tail end seat 630, the inner ring of the V-shaped end face oil seal 607 is sleeved on the periphery of the screw 610, and the outer ring of the V-shaped end face oil seal 607 is attached to the inner side of the tail end seat 630. Specifically, as shown in fig. 4, in this embodiment, a V-shaped end face oil seal 607 is disposed between the left side of the screw 610 and the right side end of the tail end seat 630, and the inner ring and the outer ring of the V-shaped end face oil seal 607 are respectively attached to the outer circumference of the screw 610 and the inner side of the tail end seat 630, so as to form a further heavy sealing protection for the bearing 650, and further prevent scrap iron, cutting fluid and cutting oil from entering the infringement bearing 650.
In this embodiment, a V-shaped end face oil seal 607 is disposed at the end of the inner side of the screw 610 close to the motor base 620, the inner ring of the V-shaped end face oil seal 607 is sleeved on the periphery of the screw 610, and the outer ring of the V-shaped end face oil seal 607 is attached to the inner side of the bearing gland 640. Specifically, as shown in fig. 4, a V-shaped end face oil seal 607 is arranged between the right side of the screw 610 and the bearing cover 640 on the left side of the motor base 620 in this embodiment, and the inner ring and the outer ring of the V-shaped end face oil seal 607 are respectively attached to the outer periphery of the screw 610 and the inner side of the bearing cover 640, so as to prevent the cutting iron chips, the cutting fluid and the cutting oil from entering the infringement bearing 650.
As shown in fig. 4, in this embodiment, the end portion of the screw 610 close to the tail end base 630 is sleeved with a screw waterproof cover 690, the screw waterproof cover 690 is covered outside the bearing gland 640, specifically, in this embodiment, the end portion of the left side of the screw 610 is sleeved with the screw waterproof cover 690, which can block the cutting iron chips, the cutting fluid and the cutting oil from entering the inside of the transmission component at the end portion, thereby further improving the sealing and waterproof performance of the transmission component.
Example 2
The multiple waterproof sealing structure of the transmission part of the planer type milling machine of the present embodiment has the basic structure as in embodiment 1, and further, as shown in fig. 4, in the present embodiment, a first O-ring 601 is disposed between the bearing gland 640 and the bearing seat 651 at the outer side of the tail end seat 630, and the first O-ring 601 can prevent cutting iron chips, cutting fluid and cutting oil from penetrating from a gap between the bearing gland 640 and the bearing seat 651 at the left side of the tail end seat 630 toward the bearing 650; a second O-shaped sealing ring 602 is arranged between the outer bearing waterproof spacer ring 652 at one end of the tail end seat 630 and the lead screw 610, and the second O-shaped sealing ring 602 can prevent cutting iron chips, cutting fluid and cutting oil from penetrating from a gap between the outer bearing waterproof spacer ring 652 and the lead screw 610 to the direction of the bearing 650; an O-shaped sealing ring III 603 is arranged between the inner side bearing waterproof spacer 653 positioned at one end of the tail end seat 630 and the screw rod 610, and the O-shaped sealing ring III 603 can prevent cutting iron chips, cutting fluid and cutting oil from penetrating from a gap between the inner side bearing waterproof spacer 653 and the screw rod 610 to the direction of the bearing 650. Therefore, the first O-ring 601, the second O-ring 602, and the third O-ring 603 are used in cooperation, so that the cutting iron chips, the cutting fluid, and the cutting oil can be better prevented from penetrating toward the bearing 650, and the sealing integrity in the bearing chamber of the tail end seat 630 is further protected.
As shown in fig. 5, in this embodiment, four O-ring seals 604 and five O-ring seals 605 are respectively disposed between the bearing gland 640 at the inner end and the outer end of the motor base 620 and the motor base 620, specifically, in this embodiment, four O-ring seals 604 are disposed between the bearing gland 640 at the left end of the motor base 620 and the left end of the motor base 620, five O-ring seals 605 are disposed between the bearing gland 640 at the right end of the motor base 620 and the right end of the motor base 620, the four O-ring seals 604 can prevent the cutting iron chips, the cutting fluid and the cutting oil from penetrating toward the bearing 650 through the gap between the bearing gland 640 at the left end of the motor base 620 and the left end of the motor base 620, and the five O-ring seals 605 can prevent the cutting iron chips, the cutting fluid and the cutting oil from penetrating toward the bearing 650 through the gap between the bearing gland 640 at the right end of the. In this embodiment, an O-ring seal six 606 is provided between the bearing waterproof spacer 652 on the outer side of the motor base 620 and the lead screw 610, and the O-ring seal six 606 can prevent the cutting iron chips, the cutting fluid, and the cutting oil from penetrating toward the bearing 650 through the gap between the inner bearing waterproof spacer 652 on the right end of the motor base 620 and the lead screw 610. Therefore, the cooperation of the four O-shaped seal rings 604, the five O-shaped seal rings 605 and the six O-shaped seal rings 606 can better prevent the cutting iron chips, the cutting fluid and the cutting oil from permeating towards the bearing 650, and further protect the sealing integrity in the bearing chamber of the motor base 620.
Example 3
The multiple waterproof sealing structure of the planer type milling machine transmission part of the present embodiment has a basic structure as in embodiment 2, and further, as shown in fig. 2, in the present embodiment, a motor base waterproof cover 621 is disposed at the top of the motor base 620, the periphery of the motor base waterproof cover 621 is bent downward to form a sealing water blocking edge, and the water blocking edge extends to the outer side of the bearing gland 640. The motor base 620 bearing chamber inner structure is completely covered under the motor base waterproof cover 621, the dustproof and waterproof effect is good, a sealed water retaining edge is formed around the motor base 620 bearing chamber inner structure, cutting scrap iron, cutting fluid and cutting oil can be further prevented from flowing into the bearing chamber, the service life of the bearing 650 is prolonged, and the sealing structure is practical and reliable.
The top of tail end seat 630 is provided with tail end seat waterproof cover 631 in this embodiment, and tail end seat waterproof cover 631 bends down all around and forms sealed manger plate limit, and the manger plate limit extends to the lead screw waterproof cover 690 outside, and the tail end seat waterproof cover 631 inboard is provided with breakwater 633, and breakwater 633 extends along the width direction of tail end seat waterproof cover 631. The bearing chamber inner structure of the tail end seat 630 is completely covered under the tail end seat waterproof cover 631, the dustproof and waterproof effects are good, the periphery of the tail end seat is made into a sealed water blocking edge, cutting iron chips, cutting fluid and cutting oil can be further prevented from flowing into the bearing chamber, the water baffle 633 on the right side of the top of the tail end seat waterproof cover 631 can guide the cutting iron chips, the cutting fluid and the cutting oil generated in the working process of a machine tool to the outer side of a transmission part, and the bearing 650 is further protected.
As shown in fig. 4, in this embodiment, the end portions of the left and right sides of the screw 610 are provided with the locking nuts, and the two end portions of the screw 610 contacting with the bearing 650 are further sealed and locked, so that the integrity of the movement of the transmission part is protected, and the service life of the bearing 650 can be prolonged.
In this embodiment, the motor base waterproof cover 621 and the tail end base waterproof cover 631 which are installed on the bearing chamber are used to block most of large-particle iron chips, cutting fluid and cutting oil from entering the bearing chamber from the top and the periphery to form a first waterproof sealing structure; then, a screw rod waterproof cover 690 fixed at the end of the screw rod 610, a locking nut and a V-shaped end face oil seal 607 embedded in the periphery of the screw rod 610 are used for filtering a few of entering fine iron chips and oil-water mixtures to form a second waterproof sealing structure, then 6O-shaped sealing rings and mechanical sealing stop rings 660 installed at two ends of two bearing chambers are used for stopping the entering of mixed oil-water and fine iron chips, mixed oil-water and fine iron chips are guided to the outer side of the transmission part by using a tail end seat water leakage hole 632 and a bearing gland water leakage hole 641 to prevent the mixed oil-water and fine iron chips from continuously flowing towards the bearing 650 to form a third waterproof sealing structure, and finally, the invasion of fine iron chips, waste water and waste oil is completely stopped by using an outer side bearing waterproof spacer 652 and an inner. Through the left and right double sealing of the bearings 650 on the two sides of the screw rod 610, the three-dimensional all-dimensional dustproof and waterproof sealing structure is formed by heavy blocking, so that the positioning precision and stability of a transmission part are protected, the service life of a machine tool is prolonged, and the fault rate and the maintenance cost of the machine tool are reduced.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a multiple waterproof sealing structure of planer-type milling machine drive disk assembly, the both ends of lead screw (610) are provided with motor cabinet (620) and tail end seat (630) respectively, and motor cabinet (620) and tail end seat (630) are inside all to be equipped with bearing (650) with lead screw (610) matched with, its characterized in that: an outer bearing waterproof spacer ring (652) is arranged at the outer side end of the bearing (650), a bearing gland (640) is arranged at the outer end part of the bearing (650) positioned on one side of the tail end seat (630), bearing glands (640) are arranged at the two end parts of the bearing (650) positioned on one side of the motor seat (620), a plurality of groups of grooves which correspond up and down are arranged at the positions where the outer bearing waterproof spacer ring (652) is attached to the bearing glands (640), and the mechanical seal stop ring (660) is formed by the grooves; the bottom of the bearing gland (640) positioned on the outer side of the tail end seat (630) is provided with a bearing gland water leakage hole (641) communicated with the outside, and the bottom of the inner side of the tail end seat (630) is provided with a tail end seat water leakage hole (632) which penetrates through.
2. The multiple waterproof sealing structure of the milling planer transmission part according to claim 1, characterized in that: the bottom of the bearing gland (640) positioned at the inner side and the outer side of the motor base (620) is provided with bearing gland water leakage holes (641) communicated with the outside.
3. The multiple waterproof sealing structure of the milling planer transmission part according to claim 1, characterized in that: the end part of the inner side, close to the tail end seat (630), of the screw rod (610) is provided with a V-shaped end face oil seal (607), the inner ring of the V-shaped end face oil seal (607) is sleeved on the periphery of the screw rod (610), and the outer ring of the V-shaped end face oil seal (607) is attached to the inner side of the tail end seat (630).
4. The multiple waterproof sealing structure of the milling planer transmission part according to claim 1, characterized in that: the end part of the inner side of the screw rod (610) close to the motor base (620) is provided with a V-shaped end face oil seal (607), the inner ring of the V-shaped end face oil seal (607) is sleeved on the periphery of the screw rod (610), and the outer ring of the V-shaped end face oil seal (607) is attached to the inner side of the bearing gland (640).
5. The multiple waterproof sealing structure of the milling planer transmission part according to claim 1, characterized in that: the end part of one side, close to the tail end seat (630), of the screw rod (610) is sleeved with a screw rod waterproof cover (690), and the screw rod waterproof cover (690) is covered on the outer side of the bearing gland (640).
6. The multiple waterproof sealing structure of the milling planer transmission part according to claim 1, characterized in that: an inner side bearing waterproof spacer ring (653) is arranged at the end part of the inner side of the bearing (650) positioned on one side of the tail end seat (630), wherein a plurality of groups of grooves are formed in the positions where the inner side bearing waterproof spacer ring (653) is attached to the tail end seat (630), and the plurality of groups of grooves form a mechanical seal stop ring (660).
7. The multiple waterproof sealing structure of the milling planer transmission part according to claim 6, characterized in that: a bearing (650) positioned on one side of the tail end seat (630) is fixed in the tail end seat (630) through a bearing seat (651), and an O-shaped sealing ring I (601) is arranged between a bearing gland (640) on the outer side of the tail end seat (630) and the bearing seat (651); an O-shaped sealing ring II (602) is arranged between the outer bearing waterproof spacer ring (652) positioned at one end of the tail end seat (630) and the screw rod (610); an O-shaped sealing ring III (603) is arranged between the inner side bearing waterproof spacer ring (653) at one end of the tail end seat (630) and the screw rod (610).
8. The multiple waterproof sealing structure of the milling planer transmission part according to claim 1, characterized in that: an O-shaped sealing ring IV (604) and an O-shaped sealing ring V (605) are respectively arranged between the bearing gland (640) at the inner end and the outer end of the motor base (620) and the motor base (620); and an O-shaped sealing ring six (606) is arranged between the outer bearing waterproof spacer ring (652) positioned on one side of the motor base (620) and the screw rod (610).
9. The multiple waterproof sealing structure of the milling planer transmission part according to any one of claims 1 to 8, characterized in that: the top of the motor base (620) is provided with a motor base waterproof cover (621), the periphery of the motor base waterproof cover (621) is bent downwards to form a sealed water retaining edge, and the water retaining edge extends to the outer side of the bearing gland (640).
10. The multiple waterproof sealing structure of the milling planer transmission part according to claim 9, characterized in that: the top of the tail end seat (630) is provided with a tail end seat waterproof cover (631), the periphery of the tail end seat waterproof cover (631) is bent downwards to form a sealed water retaining edge, the water retaining edge extends to the outer side of the screw rod waterproof cover (690), and the inner side of the tail end seat waterproof cover (631) is provided with a water retaining plate (633).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426458.4U CN211915641U (en) | 2020-03-30 | 2020-03-30 | Multiple waterproof sealing structure of planer type milling machine transmission part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426458.4U CN211915641U (en) | 2020-03-30 | 2020-03-30 | Multiple waterproof sealing structure of planer type milling machine transmission part |
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| Publication Number | Publication Date |
|---|---|
| CN211915641U true CN211915641U (en) | 2020-11-13 |
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| CN202020426458.4U Expired - Fee Related CN211915641U (en) | 2020-03-30 | 2020-03-30 | Multiple waterproof sealing structure of planer type milling machine transmission part |
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| CN (1) | CN211915641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803428A (en) * | 2021-08-26 | 2021-12-17 | 胡功明 | High-precision lead screw transmission seat mechanism |
| CN113814747A (en) * | 2021-10-12 | 2021-12-21 | 安徽鹏睿智能科技有限公司 | High-rigidity screw rod transmission and lathe bed system |
| CN116851105A (en) * | 2023-06-19 | 2023-10-10 | 广东隽诺环保科技股份有限公司 | Broken sorting facilities of old and useless lithium cell |
-
2020
- 2020-03-30 CN CN202020426458.4U patent/CN211915641U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803428A (en) * | 2021-08-26 | 2021-12-17 | 胡功明 | High-precision lead screw transmission seat mechanism |
| CN113814747A (en) * | 2021-10-12 | 2021-12-21 | 安徽鹏睿智能科技有限公司 | High-rigidity screw rod transmission and lathe bed system |
| CN116851105A (en) * | 2023-06-19 | 2023-10-10 | 广东隽诺环保科技股份有限公司 | Broken sorting facilities of old and useless lithium cell |
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