CN110439941A - High stability casts forging formula punching weldering brake-shoe - Google Patents
High stability casts forging formula punching weldering brake-shoe Download PDFInfo
- Publication number
- CN110439941A CN110439941A CN201910769890.5A CN201910769890A CN110439941A CN 110439941 A CN110439941 A CN 110439941A CN 201910769890 A CN201910769890 A CN 201910769890A CN 110439941 A CN110439941 A CN 110439941A
- Authority
- CN
- China
- Prior art keywords
- gusset
- brake
- high stability
- shoe
- protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
- F16D2250/0076—Welding, brazing
Abstract
The invention belongs to mechanical braking technical fields, specifically disclose a kind of high stability casting forging formula punching weldering brake-shoe, including the gusset using casting and forming and use stamping forming hoof plate, gusset is vertically welded in the middle part of hoof plate, gusset upper/lower terminal is equipped with several fins, forms recess between adjacent lugs, and the projection of the fin of gusset upper and lower end vertically is not overlapped, when gusset and hoof plate weld, weld seam is between adjacent lugs.Using the solution of the present invention, the advantage perfect combination of both casting hoof and punching-welding shoe is got up.While fully meeting brake requirement, huge economic benefit is generated by process innovation.
Description
Technical field
The invention belongs to mechanical braking technical fields, and in particular to a kind of high stability casting forging formula punching weldering brake-shoe.
Background technique
Safety component of the brake as running car is played a crucial role in car deceleration and braking, is made
Dynamic hoof is then the important component of brake.Drum brake is to squeeze brake drum using shoe brake and obtain brake force
, internal expanding type and two kinds of external beam formula can be divided into.Wherein, interior drum brake is using the inner cylinder face of brake drum as worksheet
Face, the inner cylinder face that shoe brake squeezes brake drum are realized braking, are widely used on Hyundai Motor.
The shoe brake of drum brake includes hoof plate and gusset in existing, and hoof plate is equipped with frictional layer, and frictional layer is used
In being contacted with brake drum and pass through friction catch.In the prior art to guarantee that brake-shoe has preferable rigidity and stability,
Hoof plate and gusset are usually integrally casting shaping, but integrally casting there are the problem of have: weight is big；Casting technique is complicated；Processing
In the process once there is defective workmanship, it is necessary to monoblock cast, higher cost.It is the problem that solve integrally casting, existing
Have also proposed in technology gusset is processed respectively with hoof plate after reconnect together with technological means, but the company of gusset and hoof plate
It connects stability to be difficult to ensure, the brake-shoe stability processed is also resulted in be unsatisfactory for requiring.
Summary of the invention
The purpose of the present invention is to provide a kind of high stability casting forging formula punching weldering brake-shoes, to solve the company of gusset and hoof plate
Connect the problem of stability is difficult to ensure.
In order to achieve the above objectives, base case of the invention are as follows: high stability casts forging formula punching weldering brake-shoe, including using casting
It makes molding gusset and uses stamping forming hoof plate, gusset is vertically welded in the middle part of hoof plate, if gusset upper/lower terminal is equipped with
Dry fin forms recess between adjacent lugs, and the projection of the fin of gusset upper and lower end vertically is not overlapped, gusset and hoof
When plate welds, weld seam is between adjacent lugs.
The working principle and beneficial effect of this base case are:
In the present solution, hoof plate is made of Sheet Metal Forming Technology, the hoof plate weight produced is lower, and gusset is still using casting
Molding, compared to the brake-shoe for using Sheet Metal Forming Technology to make completely, brake-shoe intensity made from this programme is higher.By casting and rushing
The combination of technique is pressed, existing conventional cast formula brake-shoe is rigidly good, the stable advantage of performance, and takes into account punching weldering brake-shoe lightweight
Advantage the advantage perfect combination of both casting hoof and punching-welding shoe is got up by specifically manufacturing and welding procedure, In
While fully meeting brake requirement, huge economic benefit is generated by process innovation.
In welding, weld seam is arranged between adjacent lugs, that is, being welded in gusset upper and lower side, and is
Segmented welding.This is because in welding, commissure crackle easy to form or micro-crack, if directly in the company of gusset and hoof plate
It meets place and welds whole weld seam, once somewhere is cracked, crack propagation will lead to whole bond open.In the present solution, by dividing
Section welding can be to avoid above situation, and is realized and be segmented by fin, and part of the weld seam between adjacent lugs is equivalent to welding
Recess between adjacent lugs can avoid separation of welds to a certain extent.And fin is respectively provided in gusset upper and lower ends and is carried out
Two-sided welding also can guarantee the stability of welding, and then enhance the stability of hoof plate and link of boards.
Further, hoof plate is equipped with several grooves, and gusset is equipped with the protrusion that can be caught in groove.
The utility model has the advantages that protrusion is caught in groove before welding, by way of being welded after clamping, improves gusset and hoof plate connects
The stability connect.In addition multiple protrusions are set and groove is clamped, in braking, the movement that hoof plate stress generates rotation becomes
The junction generation of gesture, hoof plate and gusset is a degree of to pull, and by the clamping of protrusion, can bear the biggish power of pullling,
Weld seam is reduced to a certain extent because falling off caused by pullling, and then improves the service life of brake-shoe.
Further, protrusion is respectively positioned on the recess on gusset, and the upper surface of protrusion or lower surface are concordant with recess.
The utility model has the advantages that the upper surface or lower surface of protrusion are concordant with recess, when welding, when wire melting, can be to a certain degree
On along protrusion surface flow into protrusion and groove gap location, improve the connective stability of welding.
Further, protrusion is tilted close to the one side of recess, and protrusion is higher one end close to one end of gusset.
The utility model has the advantages that welding wire of being more convenient in welding protrudes between protrusion and groove by the way that inclined surface is arranged, due to
Solidifying that the required time is shorter after wire melting, the mobility for only relying on its own flows into groove, and effect is relatively inaccessible to be expected,
It is oriented in this programme by inclined surface, so that the welding wire of fusing more readily flows into groove.
Further, raised inclined surface is equipped with several cynapses.
The utility model has the advantages that setting cynapse, increases the bonding strength between weld material and gusset in welding.
Further, cynapse top and groove roof are affixed.
The utility model has the advantages that the welding wire of fusing welds together cynapse and groove when flowing along convex surfaces, cynapse is played
Increase the effect of bonding strength.
Further, groove close to cynapse be obliquely installed on one side and it is consistent with convex surfaces tilt angle.
The utility model has the advantages that groove roof is obliquely installed the size that may make cynapse to guarantee that cynapse and groove roof are affixed
Unanimously, easy to process, reduce difficulty of processing.
Further, gusset is equipped with several through-holes.
The utility model has the advantages that can reduce the weight of gusset by the way that through-hole is arranged, while materials are reduced in casting, reduces cost.
Further, through-hole is circumferentially uniformly distributed along gusset.
The utility model has the advantages that avoid somewhere through-hole it is more caused by this at intensity it is lower.
Further, ribs is equipped between adjacent through-holes.
The utility model has the advantages that increasing the intensity of gusset by the setting of ribs.
Detailed description of the invention
Fig. 1 is the top view that high stability of the embodiment of the present invention casts forging formula punching weldering brake-shoe；
Fig. 2 is the structural schematic diagram that high stability of the embodiment of the present invention casts gusset in forging formula punching weldering brake-shoe；
Fig. 3 is the right view partial cutaway view that high stability of the embodiment of the present invention casts forging formula punching weldering brake-shoe；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
Fig. 5 is the schematic diagram of fixture in the embodiment of the present invention 1；
Fig. 6 is the schematic diagram of fixture in the embodiment of the present invention 2；
Fig. 7 is that fixture faces partial cutaway view in the embodiment of the present invention 2.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description include: shaft 1, fixed plate 2, fixture block 3, bolt 4, piston bucket 5, piston rod 6,
Rack gear 7, second gear 9, third gear 10, hoof plate 11, gusset 12, through-hole 13, fin 14, ribs 15, goes out first gear 8
Tracheae 16, raised 17, groove 18, cynapse 19.
Embodiment 1
As depicted in figs. 1 and 2, high stability casting forging formula punching weldering brake-shoe, including gusset 12 and hoof plate 11, gusset 12 use
Casting technique processing, gusset 12 are cast using ZG270-480H-GB/T7659 material, and casting is added in casting process and uses
Filler improves casting flaw and promotes welding performance.Gusset 12 carries out normalized treatment after casting.It is evenly distributed on gusset 12
There are several through-holes 13, ribs 15 is equipped between adjacent through-holes 13,12 upper and lower side of gusset is equipped with fin 14, adjacent lugs 14
Between form recess, and the projection of the fin 14 of 12 upper and lower side of gusset vertically is not overlapped, in the application vertically refer to
The width direction of hoof plate 11 is vertical.
Hoof plate 11 is made of high strength steel 600L-GB/T3273 punching press, the thickness of hoof plate 11 by the prior art 7.5mm
It is reduced to 6mm, while promoting the intensity of hoof plate 11, effectively reduces the weight of product, the fabrication hole on hoof plate 11 is (for making
Connection installation of dynamic hoof etc.) it is all made of multiple punching and is formed, to guarantee the dimensional accuracy of fabrication hole.
In conjunction with shown in Fig. 3, Fig. 4, hoof plate 11 is equipped with several grooves 18, and gusset 12 is equipped with the protrusion that can be caught in groove 18
17, protrusion 17 is respectively positioned on the recess on gusset 12, since the recess of 12 upper and lower side of gusset is not overlapped in vertical projection, protrusion
17 when being located at the recess of 12 upper end of gusset, and the upper surface of protrusion 17 is concordant with the recess of 12 upper end of gusset, and protrusion 17 is positioned at muscle
When the recess of 12 lower end of plate, the lower surface of protrusion 17 is concordant with the recess of 12 lower end of gusset, and Fig. 3 show protrusion 17 and is located at muscle
The recess of 12 upper end of plate.For the protrusion 17 shown in Fig. 3, raised 17 upper surfaces inclination and left end be it is high-end, protrusion 17 is inclined
Inclined-plane is equipped with several cynapses 19, and 18 upper surface of groove is also obliquely installed and, cynapse 19 consistent with raised 17 surficial inclinations
Top and 18 roof of groove are affixed.
Gusset 12 is vertically welded in the middle part of hoof plate 11, specifically, using the fixed gusset 12 of fixture as shown in Figure 5 and hoof
Plate 11, fixture is mounted on welding bench, and including being rotatablely connected shaft 1 on the table, 1 left end of shaft is fixed with fixation
Plate 2, fixed plate 2 are in the arc that matches with hoof plate 11, and 2 upper and lower ends of fixed plate are rotatably connected to rotational pin, on rotational pin
It is fixed with fixture block 3, fixture block 3 is connected with bolt 4 far from the threaded one end of rotational pin, fixed when clamping hoof plate 11 and gusset 12
Plate 2 and hoof plate 11 are affixed, and are rotated rotational pin, are allowed fixture block 3 to block fin 14, screwing bolts 4, so that 4 end of bolt is supported
On fin 14, the fixation to hoof plate 11 and gusset 12 is realized.Fixture further includes the support rod for sliding vertically connection, gusset
When 12 placement, gusset 12 is vertically blocked by two support rods slidings.
When specific welding, joint environment temperature is kept to stablize, is caught in using the fixed gusset 12 of fixture and hoof plate 11, protrusion 17
It in groove 18, is welded using welding robot, is realized and be segmented by fin 14, portion of the weld seam between adjacent lugs 14
Point, it is equivalent to the recess being welded between adjacent lugs 14, can avoid separation of welds to a certain extent, when welding, so that welding wire
End can protrude into the gap location of protrusion 17 and 18 upper end of groove, can be to a certain extent along the surface of protrusion 17 when wire melting
The gap location of protrusion 17 and groove 18 is flowed into, the welding wire of fusing welds cynapse 19 and groove 18 along when raised 17 surface flow
Together, cynapse 19 is played the role of increasing bonding strength.And be respectively provided with fin 14 in 12 upper and lower ends of gusset and weld, it can also protect
Demonstrate,prove the stability of welding.In addition, setting multiple raised 17 and groove 18 are clamped, in braking, 11 stress of hoof plate, which generates, to be turned
The junction generation of dynamic movement tendency, hoof plate 11 and gusset 12 is a degree of to pull, and passes through the clamping of protrusion 17, Ke Yicheng
By the biggish power of pullling, weld seam is reduced to a certain extent because falling off caused by pullling, and then improve the service life of brake-shoe.
After having welded 12 upper end of gusset, so that two support rods slide away from gusset 12, rotating shaft 1, shaft 1 drives solid
Fixed board 2, fixture block 3 rotate, so that entire hoof plate 11 and the rotation of gusset 12, i.e. 12 achievable turn-overs of gusset, and then continue to weld
It connects.Brake-shoe is made annealing treatment to reduce stress after welding, and then reduces cracking risk.
Embodiment 2
As shown in Figure 6 and Figure 7, the difference of the present embodiment and embodiment 1 is, when welding, is arranged in 12 upper and lower of gusset
Inflatable body, before welding, the gas of inflatable body blowout clear up the dust between adjacent lugs 14, after welding,
The gas of inflatable body blowout cools down to weld.Specifically, being further fixed on two piston buckets 5, piston bucket 5 on workbench
It inside slides vertically and is connected with piston, piston rod 6 is fixed on piston, two piston rods 6 are fixed with two support rods respectively.It is living
It fills in bucket 5 and is equipped with air inlet and venthole, breather check valve is installed in air inlet, when the 5 lower part air pressure of piston bucket reduces, outside
Portion's gas is entered in piston bucket 5 by breather check valve.Outgassing nonreturn valve is installed, when air pressure increases in piston bucket 5 in venthole
When big, the gas in piston bucket 5 is discharged by outgassing nonreturn valve.Escape pipe 16 is communicated at venthole, escape pipe 16 is fixed on
On support rod, i.e., when support rod slides up and down, escape pipe 16 can be slided with support rod.The outlet side of escape pipe 16 is communicated with
Multiple branch pipes, branch pipe are respectively aligned between adjacent lugs 14.The cylinder for driving piston to slide, gas are further fixed on workbench
The output shaft of cylinder is fixed on piston.When specifically used, when support rod is to close to the sliding of 12 direction of gusset, in piston bucket 5
Gas discharge, by acting between adjacent lugs 14 after escape pipe 16 and branch pipe, can carry out deashing, after welding before welding
Supplement heat rejecter.
It is rotatably connected to first gear 8 on workbench, is fixed with the tooth engaged with first gear 8 on the piston rod 6 of upside
Item 7, first gear 8 are coaxially fixed with second gear 9, and the third gear 10 engaged with second gear 9 is fixed in shaft 1, living
When stopper rod 6 moves upwards reset, rack gear 7 drives first gear 8 to rotate, and passes through first gear 8, second gear 9 and third gear
10 transmission, so that shaft 1 rotates.Since gusset 12 and hoof plate 11 are in turn-over, may with do not reset completely also
Support rod interferes, in the present solution, by the reset case of support rod so that the rotation of shaft 1, that is, can avoid above-mentioned feelings
The generation of condition.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (10)
1. high stability casts forging formula punching weldering brake-shoe, it is characterised in that: struck out including using the gusset of casting and forming and using
The hoof plate of type, gusset are vertically welded in the middle part of hoof plate, and gusset upper/lower terminal is equipped with several fins, is formed between adjacent lugs
Recess, and the projection of the fin of gusset upper and lower end vertically is not overlapped, when gusset and hoof plate weld, weld seam is in adjacent lugs
Between.
2. high stability casting forging formula punching weldering brake-shoe according to claim 1, it is characterised in that: if the hoof plate is equipped with
Dry groove, gusset are equipped with the protrusion that can be caught in groove.
3. high stability casting forging formula punching weldering brake-shoe according to claim 2, it is characterised in that: the protrusion is respectively positioned on muscle
Recess on plate, and the upper surface of protrusion or lower surface are concordant with recess.
4. high stability casting forging formula punching weldering brake-shoe according to claim 3, it is characterised in that: the protrusion is close to recess
One side inclination, and protrusion close to gusset one end be higher one end.
5. high stability casting forging formula punching weldering brake-shoe according to claim 4, it is characterised in that: the inclined surface of the protrusion
It is equipped with several cynapses.
6. high stability according to claim 5 casting forging formula punching weldering brake-shoe, it is characterised in that: the cynapse top and recessed
Groove top wall is affixed.
7. high stability casting forging formula punching weldering brake-shoe according to claim 6, it is characterised in that: the groove is close to cynapse
Be obliquely installed on one side and it is consistent with convex surfaces tilt angle.
8. high stability casting forging formula punching weldering brake-shoe according to claim 1, it is characterised in that: if the gusset is equipped with
Dry through-hole.
9. high stability casting forging formula punching weldering brake-shoe according to claim 8, it is characterised in that: the through-hole is along gusset week
To uniformly.
10. high stability casting forging formula punching weldering brake-shoe according to claim 9, it is characterised in that: between adjacent through-holes
Equipped with ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769890.5A CN110439941B (en) | 2019-08-20 | 2019-08-20 | High-stability cast forging type impact welding brake shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769890.5A CN110439941B (en) | 2019-08-20 | 2019-08-20 | High-stability cast forging type impact welding brake shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110439941A true CN110439941A (en) | 2019-11-12 |
| CN110439941B CN110439941B (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769890.5A Active CN110439941B (en) | 2019-08-20 | 2019-08-20 | High-stability cast forging type impact welding brake shoe |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770000A (en) * | 2022-05-06 | 2022-07-22 | 杭州富宏叉车制动器有限公司 | Processing technology and processing equipment for brake shoe |
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| CN207315915U (en) * | 2017-10-30 | 2018-05-04 | 重庆中帝机械制造股份有限公司 | High rigidity heavy-duty car drum-type welds brake-shoe |
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| US4379963A (en) * | 1981-01-05 | 1983-04-12 | Gasparas Kazlauskas | Welding apparatus designed particularly for use within a confined area |
| US5515952A (en) * | 1994-12-05 | 1996-05-14 | Ford Motor Company | Drum brake assembly including brake shoes with mass dampening |
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| CN114770000A (en) * | 2022-05-06 | 2022-07-22 | 杭州富宏叉车制动器有限公司 | Processing technology and processing equipment for brake shoe |
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| Publication number | Publication date |
|---|---|
| CN110439941B (en) | 2020-12-29 |
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