CN106239804B - The manufacturing method of braking brake hoof - Google Patents
The manufacturing method of braking brake hoof Download PDFInfo
- Publication number
- CN106239804B CN106239804B CN201610617958.4A CN201610617958A CN106239804B CN 106239804 B CN106239804 B CN 106239804B CN 201610617958 A CN201610617958 A CN 201610617958A CN 106239804 B CN106239804 B CN 106239804B
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- Prior art keywords
- braking
- skeleton
- brake
- cross frame
- mass parts
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
- B29C2043/5061—Removing moulded articles using means movable from outside the mould between mould parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of manufacturing method of braking brake hoof, including braking the molding procedure of skeleton and by being molded composite die the brake rubber block compound working procedure of one layer of frictional layer is molded in braking skeleton curved upper surface side, the brake rubber block compound working procedure includes that each braking skeleton is positioned over the respectively braking framework location process by power module cambered surface side, frictional layer mixture is input to pressure head block by skip car mechanism and brakes the mixture conveying operation between skeleton arc surface, by shaping and squeezing device by extrusion cladding process of the mixture hot pressing in braking skeleton arcuate surface and the stripping process of deviating from brake shoe after molding from cross frame die holder.
Description
Technical field
The present invention relates to a kind of manufacturing methods of braking brake hoof.
Background technology
Drum brake is widely used on Hyundai Motor using the inner cylinder face of brake drum as working face, known：It is existing
Some drum brakes include brake drum, and the first braking brake hoof and the second system are respectively equipped in the inner wall both sides of the brake drum
Dynamic brake shoe, is attached between the first braking brake hoof and the second braking brake hoof by mandril, described first
The side of braking brake hoof is equipped with cylinder, and the first braking brake hoof by braking skeleton and is set respectively with the second braking brake hoof
Brake rubber block friction plate composition in braking skeleton side, the other side of the second braking brake hoof and mandril cooperation with it is outer
Portion's rack is hinged.The production sorrow of braking brake hoof is important, the producer of existing brake shoe in the production process of drum brake
Method is first to be separately formed braking skeleton and brake rubber block friction plate, then will stick in system by brush coating after brake rubber block friction plate chamfering
Dynamic skeleton side, this kind of moulding process high labor cost, forming process is complicated, and forming efficiency is low, of high cost, and after molding
Brake rubber block friction plate and molding braking skeleton bonding are insecure, the phenomenon that often falling off in use.
China Patent No. is 201410213213.2 to disclose a kind of brake rubber block production method and former, the manufacturing method
First brake skeleton is braked skeleton and be put into a designed mold bottom, it is required mixed then to add brake rubber block friction plate
Condensation material, brake skeleton storing mode be brake skeleton outer arc face upward, pressurize down by the way that hydraulic pressure is supreme, brake
Skin friction plate is compressed on the extrados of brake skeleton, since the placement of its mold design brake shoe skeleton is that outer arc faces upward,
The mixing material on cambered surface top can be caused few when extrusion forming, the mixing material at both ends is more under arc, and when compression moulding will appear brake
The cambered surface both ends lower end mixing material of vehicle coffin bone frame is excessive and density is excessively high, the mixing material of the cambered surface upper end of brake shoe skeleton compared with
Less and density is inadequate, the hardness of brake rubber block friction plate after molding is uneven, and easy overheat with high hardness is skidded, and hard bottom is low
It is easy to be worn, seriously affects using effect, there are security risks.In addition, the degree of automation of above-mentioned brake rubber block production method
It is low, high labor cost, and after brake-shoe molding, mold releasability is inconvenient.
Invention content
It is an object of the invention to overcome the shortcomings of above-mentioned technology, to provide, a kind of Adjustment precision is high, stability is good, behaviour
Make the circular knitting machine zero triangle fixed seat that flexibility ratio is high, service life is long, slide position can be accurately positioned.
Technical solution is such used by invention：The manufacturing method of braking brake hoof includes the molding of braking skeleton
Process and it is molded the brake rubber block compound working procedure of one layer of frictional layer in braking skeleton curved upper surface side by being molded composite die,
The molding composite die includes lower template, cope plate and shaping and squeezing device, and cross frame die holder is fixed in the lower template,
Locking positioning hole is respectively equipped on the horizontal stripe of the cross frame die holder both lateral sides, on the cross frame die holder both lateral sides horizontal stripe
Locking positioning hole both sides respectively by locking member locking have by power module, it is described respectively by the upper surface of power module be arc table
Face, the concave structure design of curved surfaces matching braking skeleton lower surface enable each lower surface for braking skeleton fit in by
The free end both sides of the curved surfaces side of power module, each horizontal stripe are additionally provided with demoulding movable block, and the demoulding movable block is logical
Cross that demoulding telescopic device can stretch up and down set on the both sides of each horizontal stripe, the cross frame die holder longitudinal direction both sides be additionally provided be molded it is crowded
Pressure device, the shaping and squeezing device respectively includes stripper plate and the pressure head block set on stripper plate side left and right ends, described each
Pressure head block stretches between the vertical bar of cross frame die holder longitudinal direction both sides and demoulding movable block, and the lower surface of each pressure head block corresponds to system
The arc surface design of dynamic skeleton upper surface, the cope plate are set to the upper of cross frame die holder by what telescopic device can mold up and down
Side, the brake rubber block compound working procedure includes that each braking skeleton is positioned over the respectively braking framework location work by power module cambered surface side
Frictional layer mixture is input to pressure head block by skip car mechanism and brakes the mixture conveying work between skeleton arc surface by sequence
Sequence, by shaping and squeezing device from both sides by mixture hot pressing braking skeleton arcuate surface on extrusion cladding process and
The stripping process that brake shoe after molding is deviate from from cross frame die holder.
It is further improved to be：Further include by grabbing device will be compound after brake shoe from molding composite die in take out
Brake shoe gripping process and by each brake shoe after gripping be delivered to area to be assembled brake shoe export process.
It is further improved to be：In the lower template be located at respectively by the side of power module be equipped with can be by brake shoe after molding
The liftout attachment ejected from cross frame die holder.
It is further improved to be：The free end both sides of each horizontal stripe are respectively equipped with dovetail card slot, each demoulding activity
The side of block is equipped with the dovetail slide unit of matching dovetail card slot.
It is further improved to be：The grabbing device includes cylinder block, the cylinder below cylinder block, is set to cylinder work
The coulisse of stopper rod lower part and can left, right, front and rear sliding be set to coulisse below handgrip.
It is further improved to be：The frictional layer includes the mixture of following parts by weight：Poultry hair staple fiber 5-7 mass parts,
Rock wool 13-15 mass parts, blanc fixe 4-6 mass parts, phenol-formaldehyde resin powder 5-7 mass parts, vermiculite power 1-2 mass parts, feldspar powder
1-2 mass parts, tyre talc 1-2 mass parts, zinc stearate 0.2-0.3 mass parts and Frication powder 0.8-1.2 mass parts.
It is further improved to be：The poultry hair staple fiber is wool staple fiber.
By using preceding solution, the beneficial effects of the invention are as follows：When work, first each brake shoe braking skeleton is put
It sets in the side by power module of molding composite die, it is by skip car mechanism that frictional layer mixture is defeated after braking skeleton of having good positioning
Enter between the pressure head block of shaping and squeezing device and braking skeleton arc surface, skip car mechanism conveying retracts back, at this point, telescopic device
Action by cope plate molding in the top of cross frame die holder, after cope plate positioning, the shaping and squeezing devices of system drive both sides to
Skeleton side hot extrusion is braked, to realize that the arcuate surface that mixture is fixed on to braking skeleton forms frictional layer, workpiece
After molding, telescopic device drives cope plate to uplink, and cope plate drives each horizontal stripe to telescopic device action is demoulded while uplink
Both sides demoulding movable block move upwards, shaping and squeezing device exits cross frame die holder longitudinal direction both sides, realizes the demoulding of workpiece, work
The brake shoe after demoulding is taken out from molding composite die by grabbing device and is delivered to area to be assembled by system after part demoulding.
Its is simple for process, and high degree of automation, cost of labor is few, working efficiency pole, meanwhile, the traverse of skeleton, Contoured squeeze will be braked
Device squeezes mixture from side, and the frictional layer after extruding will not be accumulated in some position, and frictional layer hardness after molding is equal
Even, consistent in density avoids and presses frictional layer from top to bottom by hydraulic pressure, and when extrusion forming causes the mixing material on cambered surface top
It is few, the mixing material at both ends is more under arc, be molded after the inconsistent defect of frictional layer density.
Description of the drawings
Fig. 1 is production process equipment schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of present invention molding composite die.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the structural schematic diagram of cross frame die holder of the present invention.
Fig. 5 is the structural schematic diagram of shaping and squeezing device of the present invention.
Fig. 6 is structural schematic diagram of the present invention by power module.
Fig. 7 present invention demoulds the structural schematic diagram of movable block.
Specific implementation mode
It is further illustrated the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the present invention discloses a kind of manufacturing method of braking brake hoof, including the molding procedure of braking skeleton,
It is molded the brake rubber block compound working procedure of one layer of frictional layer 22 in 21 side of braking 2 curved upper surface of skeleton by being molded composite die 1,
With grabbing device 3 will be compound after brake shoe from molding composite die 1 in take out brake shoe gripping process and will gripping after
Each brake shoe by conveyer belt 9 be delivered to area to be assembled brake shoe export process, such as Fig. 2 to Fig. 7, the molding compound die
Tool 1 includes lower template 11, cope plate 12 and shaping and squeezing device, and cross frame die holder 13 is fixed in the lower template 11, described
Locking positioning hole 132,13 both lateral sides of cross frame die holder are respectively equipped on the horizontal stripe 131 of 13 both lateral sides of cross frame die holder
The both sides in the locking positioning hole on horizontal stripe 131 have by locking member locking by power module 4 respectively, described respectively by the upper of power module 4
Surface is curved surfaces 41, and the concave structure of 2 lower surface of the curved surfaces 41 matching braking skeleton designs so that each braking skeleton 2
Lower surface can fit in 41 side of curved surfaces by power module 4, the free end both sides of each horizontal stripe 131 are additionally provided with demoulding
The free end both sides of movable block 5, each horizontal stripe 131 are respectively equipped with dovetail card slot 139, the side of each demoulding movable block 5
Dovetail slide unit 51 equipped with matching dovetail card slot 139.What the demoulding movable block 51 can be stretched up and down by demoulding telescopic device
Set on the both sides of each horizontal stripe 131, the longitudinal both sides of the cross frame die holder 13 are additionally provided with shaping and squeezing device, the Contoured squeeze dress
It sets and respectively includes stripper plate 61 and the pressure head block 62 set on 61 side left and right ends of stripper plate, each pressure head block 62 stretches into cross
Between the vertical bar 133 and demoulding movable block 5 of the longitudinal both sides of frame die holder 13, the lower surface of each pressure head block 62 corresponds to braking skeleton
The arc surface of 2 upper surfaces designs, and the cope plate 12 is set to cross frame die holder 131 by what telescopic device 121 can mold up and down
Top, at this telescopic device 121 be well known structure its can be cylinder either oil cylinder or feed screw nut's structure, the brake
Railway carriage compound working procedure include by each braking skeleton 2 be positioned over respectively the braking framework location process by 4 cambered surface side of power module, pass through
Frictional layer mixture is input to pressure head block 62 and brakes mixture conveying operation between 2 arc surface of skeleton, logical by skip car mechanism 7
Overmolding pressurizing unit is from both sides by extrusion cladding process of the mixture hot pressing in braking skeleton arcuate surface and will be at
The stripping process that brake shoe after type is deviate from from cross frame die holder 13.
It is located at that be respectively equipped with by the side of power module 4 can be by brake shoe after molding from cross frame die holder in the lower template 11
The liftout attachment of ejection, the liftout attachment can be cylinder or oil cylinder.
The grabbing device 3 includes cylinder block 31, the cylinder 32 below cylinder block 31, is set to cylinder piston rod lower part
Coulisse 33 and can left, right, front and rear sliding be set to coulisse below handgrip 34.
The frictional layer includes the mixture of following parts by weight：Wool staple fiber 5-7 mass parts, rock wool 13-15 mass parts,
Blanc fixe 4-6 mass parts, phenol-formaldehyde resin powder 5-7 mass parts, vermiculite power 1-2 mass parts, feldspar powder 1-2 mass parts, tyre talc
1-2 mass parts, zinc stearate 0.2-0.3 mass parts and Frication powder 0.8-1.2 mass parts.The present invention is in the mixture of frictional layer
Added with wool staple fiber, high with the specific formula and proportioning grinding block plasticity obtained, flexibility is good, wearability, hard
Degree and intensity are all very high, and the grinding force of grinding block is strong, can be suitble to the polishing of a variety of hard materials, applied widely.This hair
Bright grinding block formula adds wool in formula so that manufactured frictional layer is good in abrasion resistant effect, and the wool being added can be
The webbed protecting wire net of shape in frictional layer improves the intensity and toughness of frictional layer, the friction service life of frictional layer is improved, by it
Compared with existing brake rubber block frictional layer, service life is the three times of known brake rubber block or more.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and is not limited to those disclosed embodiments.
Claims (7)
1. the manufacturing method of braking brake hoof, including brake the molding procedure of skeleton and braking skeleton by being molded composite die
Curved upper surface side is molded the brake rubber block compound working procedure of one layer of frictional layer, it is characterised in that：The molding composite die includes
Lower template, cope plate and shaping and squeezing device, are fixed with cross frame die holder in the lower template, the cross frame die holder laterally two
Locking positioning hole, the both sides point in the locking positioning hole on the cross frame die holder both lateral sides horizontal stripe are respectively equipped on the horizontal stripe of side
Do not have by power module by locking member locking, described is respectively curved surfaces, curved surfaces matching system by the upper surface of power module
The concave structure design of dynamic skeleton lower surface enables the lower surface of each braking skeleton to fit in the curved surfaces one by power module
Side, the free end both sides of each horizontal stripe are additionally provided with demoulding movable block, the demoulding movable block by demould telescopic device can on
Flexible set on the both sides of each horizontal stripe down, the cross frame die holder longitudinal direction both sides are additionally provided with shaping and squeezing device, and the molding is crowded
Pressure device respectively includes stripper plate and the pressure head block set on stripper plate side left and right ends, and each pressure head block stretches into cross frame mould
Between the vertical bar and demoulding movable block of the longitudinal both sides of seat, the lower surface of each pressure head block corresponds to the circular arc of braking skeleton upper surface
Face design, the cope plate by telescopic device can mold up and down set on the top of cross frame die holder, the brake rubber block is compound
Process include by each braking skeleton be positioned over respectively the braking framework location process by power module cambered surface side, by skip car mechanism will
Frictional layer mixture be input to pressure head block and brake skeleton arc surface between mixture conveying operation, pass through shaping and squeezing device
By extrusion cladding process of the mixture hot pressing in braking skeleton arcuate surface and by brake shoe after molding from cross frame
The stripping process of die holder abjection.
2. the manufacturing method of braking brake hoof according to claim 1, it is characterised in that:Further including will by grabbing device
The brake shoe gripping process and convey each brake shoe after gripping that brake shoe after compound takes out from molding composite die
Brake shoe to area to be assembled exports process.
3. the manufacturing method of braking brake hoof according to claim 1 or 2, it is characterised in that:It is described
It is located in lower template and is respectively equipped with and brake shoe after molding can be ejected from what cross frame die holder ejected by the side of power module
Device.
4. the manufacturing method of braking brake hoof according to claim 1, it is characterised in that:The free end two of each horizontal stripe
Side is respectively equipped with dovetail card slot, and the side of each demoulding movable block is equipped with the dovetail slide unit of matching dovetail card slot.
5. the manufacturing method of braking brake hoof according to claim 2, it is characterised in that:The grabbing device includes cylinder
Seat, the cylinder below cylinder block, set on cylinder piston rod lower part coulisse and can left, right, front and rear sliding be set to
Handgrip below coulisse.
6. the manufacturing method of braking brake hoof according to claim 1, it is characterised in that:The frictional layer includes following weight
Measure the mixture of part：Raise hair staple fiber 5-7 mass parts, rock wool 13-15 mass parts, blanc fixe 4-6 mass parts, phenol-formaldehyde resin powder
5-7 mass parts, vermiculite power 1-2 mass parts, feldspar powder 1-2 mass parts, tyre talc 1-2 mass parts, zinc stearate 0.2-0.3 mass
Part and Frication powder 0.8-1.2 mass parts.
7. the manufacturing method of braking brake hoof according to claim 6, it is characterised in that:
The poultry hair staple fiber is wool staple fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617958.4A CN106239804B (en) | 2016-07-30 | 2016-07-30 | The manufacturing method of braking brake hoof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617958.4A CN106239804B (en) | 2016-07-30 | 2016-07-30 | The manufacturing method of braking brake hoof |
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| Publication Number | Publication Date |
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| CN106239804A CN106239804A (en) | 2016-12-21 |
| CN106239804B true CN106239804B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610617958.4A Active CN106239804B (en) | 2016-07-30 | 2016-07-30 | The manufacturing method of braking brake hoof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108000775B (en) * | 2017-12-29 | 2024-05-07 | 珠海格莱利摩擦材料股份有限公司 | One-step formed brake shoe oil pressure die |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100776485B1 (en) * | 2005-09-08 | 2007-11-29 | 닛신보세키 가부시키 가이샤 | Manufacturing method for friction material |
| CN103978615A (en) * | 2014-05-20 | 2014-08-13 | 莆田市金田摩配有限公司 | Production method of brake rubber block as well as forming device |
| WO2015070858A1 (en) * | 2013-11-13 | 2015-05-21 | Schaeffler Technologies AG & Co. KG | Friction ring and method for producing a friction ring |
| CN105479644A (en) * | 2015-11-27 | 2016-04-13 | 济南悦创液压机械制造有限公司 | Floating equal-ratio hot press applied to production of brake pads |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060186575A1 (en) * | 2005-02-24 | 2006-08-24 | Prskalo Bill Z | Multi-material mold and method of making multi-material parts |
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2016
- 2016-07-30 CN CN201610617958.4A patent/CN106239804B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100776485B1 (en) * | 2005-09-08 | 2007-11-29 | 닛신보세키 가부시키 가이샤 | Manufacturing method for friction material |
| WO2015070858A1 (en) * | 2013-11-13 | 2015-05-21 | Schaeffler Technologies AG & Co. KG | Friction ring and method for producing a friction ring |
| CN103978615A (en) * | 2014-05-20 | 2014-08-13 | 莆田市金田摩配有限公司 | Production method of brake rubber block as well as forming device |
| CN105479644A (en) * | 2015-11-27 | 2016-04-13 | 济南悦创液压机械制造有限公司 | Floating equal-ratio hot press applied to production of brake pads |
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| CN106239804A (en) | 2016-12-21 |
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