CN106763197B - Bearing shoe structure and processing method thereof - Google Patents

Bearing shoe structure and processing method thereof Download PDF

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Publication number
CN106763197B
CN106763197B CN201611196326.1A CN201611196326A CN106763197B CN 106763197 B CN106763197 B CN 106763197B CN 201611196326 A CN201611196326 A CN 201611196326A CN 106763197 B CN106763197 B CN 106763197B
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China
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heat dissipation
dissipation layer
supporting body
tile
layer
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CN201611196326.1A
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CN106763197A (en
Inventor
杨东
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Kunshan Baiya Polymer Technology Co ltd
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Kunshan Baiya Polymer Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/20—Shaping by sintering pulverised material, e.g. powder metallurgy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/40—Shaping by deformation without removing material
    • F16C2220/48—Shaping by deformation without removing material by extrusion, e.g. of metallic profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • F16C2220/70—Shaping by removing material, e.g. machining by grinding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/02—Mechanical treatment, e.g. finishing
    • F16C2223/06—Mechanical treatment, e.g. finishing polishing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The invention discloses a bearing tile structure and a processing method thereof, the bearing tile structure comprises a wear-resistant layer, a tile supporting body and a heat dissipation layer, the heat dissipation layer is fixedly arranged on the surface of one side of the tile supporting body through a connecting piece, the wear-resistant layer is fixedly covered on the surface of one side of the heat dissipation layer back to the tile supporting body, and the processing method comprises the following steps: firstly, processing and molding the tile supporting body, and processing a plurality of threaded holes on the surface of the tile supporting body; then processing the heat dissipation layer to make the heat dissipation layer consistent with the tile supporting body in shape, and processing a back-off structure and a countersunk through hole on the heat dissipation layer; assembling the tile supporting body and the heat dissipation layer together through screws; and finally, cleaning the assembly, forming a wear-resistant layer on the surface of the heat dissipation layer, and finally grinding and polishing the assembly to the size of a drawing.

Description

Bearing shoe structure and processing method thereof
Technical Field
The invention relates to a bearing pad, in particular to a bearing pad structure.
Background
The tile block can generate a lot of heat in work, in order to reduce the heat generated by the tile block under the working condition of high speed and high pressure, thereby improving the bearing capacity and the service life of the bearing, and particularly having better performance under the condition of high temperature, most methods at present adopt a hot pressing or sintering method to add a layer of nonferrous metal between a wear-resistant layer and a tile block supporting body, and take away the heat through a middle heat dissipation layer, but the hot pressing and sintering process has a lot of requirements on equipment and raw materials, and is not suitable for general processing equipment. In addition, the method also has requirements on the materials of nonferrous metals and steel plates, and the waste is large. For example: when the heat dissipation layer is made of brass with low cost, the brass is difficult to press or sinter on a steel plate due to poor compatibility; if beryllium copper is adopted, the cost is too high, and when tin bronze is adopted, the steel plate containing chromium components cannot be pressed or sintered.
Disclosure of Invention
In order to overcome the defects, the invention provides a bearing shoe structure and a processing method thereof.
The invention adopts the technical scheme for solving the technical problems that: the utility model provides a bearing tile structure, includes wearing layer, tile supporter and heat dissipation layer, the heat dissipation layer passes through connecting piece fixed mounting on tile supporter one side surface, and the wearing layer is fixed to be covered on heat dissipation layer tile supporter one side surface dorsad.
As a further improvement of the invention, the connecting piece is one or a combination of more of a screw, a rivet, a buckle and a pin.
As a further improvement of the invention, the heat dissipation layer and the tile supporting body have the same shape, a plurality of threaded holes are distributed on the tile supporting body, countersunk through holes corresponding to the threaded holes on the tile supporting body are arranged on the heat dissipation layer, screws penetrate through the countersunk through holes of the heat dissipation layer and are in threaded connection with the threaded holes on the tile supporting body, and the heads of the screws are completely accommodated in the countersunk heads of the heat dissipation layer.
As a further improvement of the invention, the heat dissipation layer and the wear-resistant layer are fixedly connected together through an inverted buckle structure or a sintered structure.
As a further improvement of the invention, the inverted buckle structures are distributed around the corresponding side walls of the heat dissipation layer and the wear-resistant layer.
As a further improvement of the invention, the back-off structure is one or a combination of a dovetail groove structure, a threaded hole structure and a stepped hole structure.
As a further improvement of the invention, the thickness of the heat dissipation layer is 1/4 of the whole thickness of the bearing pad.
In a further improvement of the invention, the tile support is made of stainless steel, the heat dissipation layer is made of a nonferrous metal selected from brass, red copper, beryllium copper, copper-containing alloy, aluminum alloy, magnesium alloy, tin alloy and babbitt metal, and the wear-resistant layer is made of Polytetrafluoroethylene (PTFE), Polyimide (PI), polyamide-imide (PAI), Polybenzimidazole (PBI), Polyoxymethylene (POM), polyethylene terephthalate (PET), polyether ether ketone (PEEK), a modified product containing the above components, and one or more of babbitt metal, ceramic, epoxy resin and phenolic resin.
A bearing shoe structure processing method comprises the following specific steps:
the first step is as follows: and (3) processing and forming the tile support body:
firstly, machining the shape of the tile supporting body in place by using a machining center, and machining a plurality of threaded holes in the surface of the tile supporting body;
the second step is that: and (3) machining and forming of the heat dissipation layer:
the heat dissipation layer is made of brass, the shape of the heat dissipation layer is processed to be consistent with that of the tile supporting body through a processing center, a back-off structure and a plurality of countersunk through holes which are opposite to the threaded holes in the tile supporting body are processed on the periphery of one side of the heat dissipation layer, which is back to the tile supporting body, and the countersunk is positioned on one side facing the wear-resistant layer;
the third step: assembling the tile supporting body and the heat dissipation layer:
assembling the heat dissipation layer processed in the second step on the tile supporting body through screws, wherein the heads of the screws sink into the countersunk heads of the countersunk through holes;
the fourth step: and cleaning the assembly in the third step, forming a wear-resistant layer on the surface of the heat dissipation layer by any one of coating injection molding processing, mould pressing or sintering of the cleaned assembly, and then grinding and polishing to the size of the drawing.
As a further improvement of the invention, in the first step, the screw is a stainless steel screw, and the depth of the screw thread does not exceed 2/3 of the support body.
The invention has the beneficial effects that: according to the invention, the heat dissipation layer is added between the wear-resistant layer and the tile support body in a connecting manner through the connecting piece, so that hot pressing and sintering processes are avoided, the heat dissipation layer is stably connected with the tile support body and is not restricted by materials and processing equipment, the manufacturing cost of the bearing tile is effectively reduced, the service life of the bearing tile is prolonged, and further, the bearing capacity and the service life of the bearing are improved.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
fig. 6 is a right side view of the present invention.
Detailed Description
Example (b): the utility model provides a bearing tile structure, includes wearing layer 1, tile supporter 2 and heat dissipation layer 3, heat dissipation layer 3 passes through 4 fixed mounting of connecting piece on 2 side surfaces of tile supporter, and 1 fixed covers in heat dissipation layer 3 one side surfaces of tile supporter 2 dorsad.
The heat dissipation layer 3 is fixedly arranged on one side of the tile block supporting body 2 through the connecting piece 4, the assembly mode of hot pressing and sintering is avoided, the requirements for processing equipment and the heat dissipation layer 3 material are greatly reduced, the processing cost is reduced, the connection stability is improved, the heat dissipation effect in the working process of the bearing tile block is improved, and the bearing capacity and the service life of the bearing are greatly improved.
The connecting piece 4 is one or a combination of a plurality of screws, rivets, buckles and pins.
The heat dissipation layer 3 is consistent with the tile supporting body 2 in shape, a plurality of threaded holes are distributed in the tile supporting body 2, countersunk through holes corresponding to the positions of the threaded holes in the tile supporting body 2 are formed in the heat dissipation layer 3, screws penetrate through the countersunk through holes in the heat dissipation layer 3 and are in threaded connection with the threaded holes in the tile supporting body 2, and the heads of the screws are completely accommodated in the countersunk heads in the heat dissipation layer 3.
Between heat dissipation layer 3 and the wearing layer 1 through back-off structure 5 or sintered structure fixed connection together, realize heat dissipation layer 3 and wearing layer 1's connection through back-off structure 5 or sintered mode, connect stably, the two location is accurate.
The back-off structures 5 are distributed on the periphery of the side wall corresponding to the heat dissipation layer 3 and the wear-resistant layer 1, the back-off structures 5 are required on the periphery of the heat dissipation layer 3, the purpose is to place the heat dissipation layer 1 to fall off, and some back-offs are designed as much as possible if a space exists.
The back-off structure 5 is one or more of a dovetail groove structure, a trapezoid groove structure, a threaded hole structure and a stepped hole structure, and can be matched together in a manner of screwing the dovetail groove structure and the threaded hole structure, or can be independently buckled together by mutually embedding the dovetail groove and the T-shaped groove structure, and the wear-resistant layer 1 is firmly compounded on the surface of the heat dissipation layer 3 in a common manner of coating and injection molding in a mold.
The thickness of the heat dissipation layer 3 is 1/4 of the whole thickness of the bearing pad, the total thickness of the pad does not include the height of the boss, the thickness not only ensures the heat dissipation effect, but also does not influence the whole thickness and the wear resistance of the bearing pad, and the thickness of the heat dissipation layer 3 can be more than or less than 1/4 of the whole thickness of the bearing pad.
The tile supporting body 2 is made of stainless steel, the heat dissipation layer 3 is made of non-ferrous metal selected from brass, red copper, beryllium copper, copper-containing alloy, aluminum alloy, magnesium alloy, tin alloy and Babbitt metal, and the wear-resistant layer 1 is made of polytetrafluoroethylene
(PTFE), Polyimide (PI), polyamide-imide (PAI), Polybenzimidazole (PBI), Polyoxymethylene (POM), polyethylene terephthalate (PET), Polyetheretherketone (PEEK) and modifications containing the above material components and combinations of one or more of babbitt metal, ceramics, epoxy resins, phenolic resins.
A bearing shoe structure processing method comprises the following specific steps:
the first step is as follows: and (3) machining and forming the tile supporting body 2:
firstly, the shape of the tile supporting body 2 is processed in place by a processing center, a plurality of threaded holes are processed on the surface of the tile supporting body 2, the positions and the number of the threaded holes can be determined according to the size of the tile, generally, grooves which do not interfere two sides are taken as the standard, and the edge and the center are guaranteed to be in a stressed state as far as possible. The size of the screw thread is designed according to actual effective space, and the maximum value is selected as much as possible, such as 5 screw threads with the size of M2.5;
the second step is that: and (3) machining and forming of the heat dissipation layer:
the heat dissipation layer 3 is made of brass, the shape of the heat dissipation layer is processed to be consistent with that of the tile support body 2 through a processing center, the periphery of one side of the heat dissipation layer, which is back to the tile support body 2, is provided with an inverted buckle structure 5 and a plurality of countersunk through holes which are opposite to the positions of the threaded holes in the tile support body 2, the countersunk through holes are positioned on one side facing the wear-resistant layer 1, and the flatness of two contact surfaces of the tile support body 2 and the heat dissipation layer 3 must be ensured before installation;
the third step: assembling the tile supporting body 2 and the heat dissipation layer 3:
assembling the heat dissipation layer 3 processed in the second step on the tile supporting body 2 through a screw, wherein the head of the screw is sunk into the countersunk head of the countersunk head through hole;
the fourth step: cleaning the assembly in the third step, forming a wear-resistant layer 1 on the surface of the heat dissipation layer 3 of the cleaned assembly by any one of coating injection molding, die pressing or sintering, and then grinding and polishing to the size of the drawing.
The screw in the first step is a stainless steel screw, and the thread depth does not exceed 2/3 of the support body.

Claims (6)

1. A bearing shoe structure, characterized by: the heat dissipation layer is fixedly arranged on one side surface of the tile block supporting body through a connecting piece (4), the wear-resistant layer is formed on the surface of the heat dissipation layer through any one mode of coating injection molding, mould pressing or sintering of the tile block supporting body and an assembly part of the heat dissipation layer, the connecting piece is one or a combination of a screw, a rivet, a buckle and a pin, the heat dissipation layer and the tile block supporting body are consistent in appearance, a plurality of threaded holes are distributed on the tile block supporting body, a countersunk head through hole corresponding to the position of the threaded hole on the tile block supporting body is arranged on the heat dissipation layer, the screw penetrates through the countersunk head through hole of the heat dissipation layer and is in threaded connection with the threaded hole on the tile block supporting body, the head of the screw is completely accommodated in the countersunk head of the heat dissipation layer, and the heat dissipation layer and the wear-resistant layer are fixedly connected together through a back-off structure (5, the thickness of the heat dissipation layer is 1/4 of the whole thickness of the bearing pad.
2. The bearing shoe structure of claim 1, wherein: the back-off structure is distributed around the side walls corresponding to the heat dissipation layer and the wear-resistant layer.
3. The bearing shoe structure of claim 1, wherein: the back-off structure is one or a combination of a dovetail groove structure, a trapezoidal groove structure, a threaded hole structure and a stepped hole structure.
4. The bearing shoe structure of claim 1, wherein: the tile supporting body is made of stainless steel, the heat dissipation layer is made of non-ferrous metal selected from brass, red copper, beryllium copper, copper-containing alloy, aluminum alloy, magnesium alloy, tin alloy and babbit alloy, and the wear-resistant layer is made of polytetrafluoroethylene, polyimide, polyamide-imide, polybenzimidazole, polyformaldehyde resin, polyethylene glycol terephthalate, polyether ether ketone, a modified substance containing the components of the materials, and one or more of babbit alloy, ceramic, epoxy resin and phenolic resin.
5. A method of machining a bearing block structure according to claim 1, wherein: the method comprises the following specific steps:
the first step is as follows: and (3) processing and forming the tile support body:
firstly, machining the shape of the tile supporting body in place by using a machining center, and machining a plurality of threaded holes in the surface of the tile supporting body;
the second step is that: and (3) machining and forming of the heat dissipation layer:
the heat dissipation layer is made of brass, the shape of the heat dissipation layer is processed to be consistent with that of the tile supporting body through a processing center, a back-off structure and a plurality of countersunk through holes which are opposite to the threaded holes in the tile supporting body are processed on the periphery of one side of the heat dissipation layer, which is back to the tile supporting body, and the countersunk is positioned on one side facing the wear-resistant layer;
the third step: assembling the tile supporting body and the heat dissipation layer:
assembling the heat dissipation layer processed in the second step on the tile supporting body through screws, wherein the heads of the screws sink into the countersunk heads of the countersunk through holes;
the fourth step: and cleaning the assembly in the third step, forming a wear-resistant layer on the surface of the heat dissipation layer by any one of coating injection molding processing, mould pressing or sintering of the cleaned assembly, and then grinding and polishing to the size of the drawing.
6. The method of claim 5, wherein: the screw in the first step is a stainless steel screw, and the thread depth does not exceed 2/3 of the support body.
CN201611196326.1A 2016-12-22 2016-12-22 Bearing shoe structure and processing method thereof Active CN106763197B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201611196326.1A CN106763197B (en) 2016-12-22 2016-12-22 Bearing shoe structure and processing method thereof

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CN106763197B true CN106763197B (en) 2020-05-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1828074A (en) * 2006-04-06 2006-09-06 上海交通大学 Method for improving self-lubrication of large-scale bearing by macromolecular material
WO2013012919A1 (en) * 2011-07-20 2013-01-24 Us Synthetic Corporation Polycrystalline diamond compact including a carbonate-catalysed polycrystalline diamond table and applications therefor
CN103195799A (en) * 2013-04-02 2013-07-10 昆山佰亚高分子科技有限公司 High-loading thrust bearing and manufacturing process thereof
CN206320181U (en) * 2016-12-22 2017-07-11 昆山佰亚高分子科技有限公司 Bearing tile structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1828074A (en) * 2006-04-06 2006-09-06 上海交通大学 Method for improving self-lubrication of large-scale bearing by macromolecular material
WO2013012919A1 (en) * 2011-07-20 2013-01-24 Us Synthetic Corporation Polycrystalline diamond compact including a carbonate-catalysed polycrystalline diamond table and applications therefor
CN103195799A (en) * 2013-04-02 2013-07-10 昆山佰亚高分子科技有限公司 High-loading thrust bearing and manufacturing process thereof
CN206320181U (en) * 2016-12-22 2017-07-11 昆山佰亚高分子科技有限公司 Bearing tile structure

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