CN106140983A - The method of work of touch pad decompressor - Google Patents
The method of work of touch pad decompressor Download PDFInfo
- Publication number
- CN106140983A CN106140983A CN201610762995.4A CN201610762995A CN106140983A CN 106140983 A CN106140983 A CN 106140983A CN 201610762995 A CN201610762995 A CN 201610762995A CN 106140983 A CN106140983 A CN 106140983A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- pin bushing
- brake
- guide pin
- punching press
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004080 punching Methods 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 13
- 239000003550 marker Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Present patent application relates to metal stamping techniques field, specifically disclose the method for work of a kind of touch pad decompressor, the step of method of work includes: punching press, braking and adjusting screw rod, and wherein adjusting screw rod step is specifically, before punching press, unscrew nut, stirring screw rod, then fastening nut is fixed, screw rod Level Change, the corresponding stroke of the downward punching press of square guide pin bushing and realization braking, i.e. realize the regulation of stamping parts thickness.Use technique scheme, it is possible to need the stroke of decompressor is adjusted according to the thickness of touch pad, brake in time when reaching default punching stroke, it is to avoid cause the excessive punching press of touch pad, thus be effectively protected notebook computer touchpad, prevent from scrapping.
Description
Technical field
The present invention relates to metal stamping techniques field.
Background technology
Punch process in machining occupies an important position in the processing industry of national economy.The application of sheet metal component
Field is extremely extensive, is deep into manufacturing various aspects, and sheet material forming is mainly realized by diel.Use presser
Skill, has that precision is high, efficiency high, quality is good, cost-effective, save the series of advantages such as material and the energy.The touch of notebook
Plate is exactly the product of Sheet Metal Forming Technology, and the punching press of touch pad is high to the requirement of precision and efficiency.At present, a lot of enterprises are utilizing punching
During pressure method processing, still continue to use simple manual work method, i.e. with hands directly at the built-in part that takes of die cavity, and
And, substantial amounts of pressing equipment is all responsible for the manufacturing operation of multiple product or working procedures.In this case, if punching press sets
Standby and mould does not has security protection dress easily to hinder the accidents such as hands.Pressing equipment is very big on safety in production impact, such as punch press originally
Body is the most defective, lacks safety device, and clutch, brake are the sensitiveest reliably, electrical equipment control structure the most out of control and
Occur even to rush phenomenon, and accessory tool is defective etc., is all the major reason caused the accident.
Prior art discloses a kind of diel with braking function, belongs to metal stamping techniques field.This punching
Compression mould includes upper bolster, die shoe, punch, die, vertical guide pillar and square guide pin bushing, die is shaped with die groove, die sets
Having pressing plate, the pair of inside face that the wing plate side of vertical guide pillar is relative with square guide pin bushing is slidably matched, and vertical guide pillar lower end is provided with connection
The brake of outer brake pipeline, brake includes the brake-shoe that pair of opposing and one end are hinged on vertical guide pillar web,
The other end of a pair brake-shoe with drive cam roll is connected, brake-shoe is shaped with to the brake-shoe other end tilt inclined plane with
The friction plate being located in inclined plane, time at the brake that square guide pin bushing is positioned at vertical guide pillar lower end, drives actuated by cams brake-shoe
Rotate and make another inner surface sides laminating locking that friction plate is relative with square guide pin bushing.This diel has under dangerous situation
Minitype stamping machines is carried out brake hard and then the advantage of protection personal security.
But, for the notebook computer touchpad of different-thickness, during its punching press, upper spacing between film seat and die shoe is different,
The i.e. pressure stroke down of upper bolster is different, so needing the thickness needs according to touch pad, is adjusted decompressor, to adapt to
The punching press of different-thickness touch pad, and brake decompressor in time in needs position in time, it is to avoid touch pad is by excessive punching press, shadow
Ring dimensional accuracy.
Summary of the invention
It is an object of the invention to provide the method for work of a kind of touch pad decompressor, it is possible to according to the thickness of touch pad
Need the stroke of decompressor is adjusted, brake in time when reaching default punching stroke, it is to avoid cause touch pad excessively to rush
Pressure.
In order to achieve the above object, the base case of the present invention provides the method for work of a kind of touch pad decompressor, should
Touch pad decompressor includes upper bolster and the die shoe being oppositely arranged, and described upper bolster connects the driving dress having for driving
Putting, described upper bolster is provided with punch, and described die shoe is provided with die, and described die is shaped with the die coordinated with punch
Groove, described die is provided with the pressing plate for punch forming part flanging；Vertical guide pillar, described upper bolster it is fixed with on described die shoe
Being provided with and stand the square guide pin bushing of guide pillar socket, described vertical guide pillar lower end is provided with the brake connecting outer brake pipeline, described
Vertical guide pillar is hollow pipe and lower end is provided with two symmetrical openings, and described brake includes that circular cone and two ends are hinged on
Brake-shoe on vertical guide pillar, brake-shoe is corresponding with two openings on vertical guide pillar；The hinge point of described brake-shoe connects to be turned round
Spring, torsion spring drives two brake-shoes to draw close in opposite directions；Described circular cone is slidably fitted in vertical guide pillar, the taper end of circular cone downwards and under
End is sandwiched between two brake-shoes, and connecting between lower end and the bottom of vertical guide pillar of circular cone has spring；Described square guide pin bushing is with vertical
Being equipped with symmetrical two bar hole on guide pillar, the bar hole two-by-two on described square guide pin bushing and vertical guide pillar overlaps；Described
Jointly having crossed screw rod two-by-two in bar hole, the two ends of screw rod connect nut, is combined with pad between nut and square guide pin bushing；
The step of described method of work includes:
Adjusting screw rod: before punching press, unscrews nut, dials up screw rod, the height of lift-bolt, and then fastening nut carries out solid
Fixed, screw rod carries, the stroke more great talent of the downward punching press of square guide pin bushing realizes braking, i.e. realizes the reduction of stamping parts thickness；
Lowering screw rod: before punching press, unscrew nut, stir downwards screw rod, reduce the height of screw rod, then fastening nut carries out solid
Fixed, screw rod moves down, and the stroke of the downward punching press of square guide pin bushing is less and realizes braking, i.e. realizes the increase of stamping parts thickness；
Punching press: be placed between punch and die by stamping parts, driving means drives the downward punching press of upper bolster, punch and die
Coordinating the punching press realizing stamping parts, slide relative with vertical guide pillar of square guide pin bushing realizes the guiding of upper bolster；
Braking: during punching press, square guide pin bushing moves down along with upper bolster, square guide pin bushing drives screw rod to move down, and screw rod is simultaneously in side
Sliding in bar hole on shape guide pin bushing and vertical guide pillar, when screw rod contacts circular cone, i.e. arrive application position, screw rod promotes circular cone
Moving down, circular cone promotes brake-shoe to be flared out, and brake-shoe stretches out the opening on vertical guide pillar and square guide pin bushing inwall is inconsistent, logical
Crossing frictional force makes square guide pin bushing stop, it is achieved braking.
Having the beneficial effects that of this base case: use technique scheme, it is possible to it is right to need according to the thickness of touch pad
The stroke of decompressor is adjusted, and brakes in time when reaching default punching stroke, it is to avoid cause the excessive punching press of touch pad, thus
It is effectively protected notebook computer touchpad, prevents from scrapping.
Scheme two: based on this, scheme is preferred, installs the inspection of foreign body in detecting punch undershoot stroke on punch
Surveying device, the outfan of detection device connects control device, and the outfan of described control device connects described driving means；Bag
Include following steps, whether have foreign body by the lower section of detection assembling device detection punch, it may be judged whether have foreign body in stamped area, inspection
Survey device and signal is informed control device, and then control driving means stopping or starting.Detection device is utilized to detect
The hands of operator, whether in intelligent acute hearing region, if i.e. stopping punching press in stamped area, plays safety protection function.
Scheme three: based on this, scheme is preferred, before punching press, at the surface smear punching oil of stamping parts, rises stamping surface
To lubrication, improve the surface quality of stamping parts, certain cooling effect can also be played simultaneously.
Scheme four: based on this, scheme is preferred, bonding friction plate on described brake-shoe, during braking, friction plate and side
The inwall of shape guide pin bushing contacts.Increase the frictional force of rubbing surface, improve wearability simultaneously.
Scheme five: based on this, scheme is preferred, processes scale marker, including following step on the outer surface of square guide pin bushing
Suddenly, according to the position of scale marker adjusting screw rod during adjusting screw rod.The scale marker indirect measure punching press thickness of stamping parts, carries
The high precision of processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of touch pad decompressor in the embodiment of the present invention；
Fig. 2 is the left view structural representation of Fig. 1；
Fig. 3 is the close-up schematic view in Fig. 2 at A.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: die shoe 1, die 11, pressing plate 12, upper bolster 2, punch 21, vertical guide pillar 3,
Brake-shoe 31, friction plate 311, circular cone 32, spring 33, square guide pin bushing 4, screw rod 42, nut 42.
As shown in Figure 1, Figure 2 and Figure 3, a kind of touch pad decompressor, including phase for touch pad decompressor in embodiment
To the upper bolster 2 installed and die shoe 1, upper bolster 2 connects the driving means having for driving, and driving means is hydraulic cylinder, profit
With hydraulic cylinder as driving means, the moment of applying is big, reflection is quick, convenient braking.Punch 21 is installed on upper bolster 2, under
Die 11 is installed on die holder 1, die 11 is shaped with die 11 groove coordinated with punch 21, die 11 is provided with for punching press
The pressing plate 12 of profiled member flanging.Being fixed with four vertical guide pillars 3 on die shoe 1, vertical guide pillar 3 is arranged in parallel, and upper bolster 2 is pacified
Equipped with the square guide pin bushing 4 being socketed with vertical guide pillar 3, vertical guide pillar 3 lower end is provided with the brake connecting outer brake pipeline.
Vertical guide pillar 3 is hollow pipe and lower end is machined with two symmetrical openings, and brake includes circular cone 32 and two
End is hinged on the brake-shoe 31 on vertical guide pillar 3, and brake-shoe 31 is corresponding with two openings on vertical guide pillar 3；Brake-shoe 31
Hinge point connects torsion spring, and torsion spring drives two brake-shoes 31 to draw close in opposite directions；Circular cone 32 is slidably fitted in vertical guide pillar 3, taper
The taper end of block 32 is downwards and lower end is sandwiched between two brake-shoes 31, connects between lower end and the bottom of vertical guide pillar 3 of circular cone 32
There is spring 33；Symmetrical two bar hole all it is machined with, on square guide pin bushing 4 and vertical guide pillar 3 on square guide pin bushing 4 and vertical guide pillar 3
Bar hole overlaps two-by-two；Jointly having crossed screw rod 42 two-by-two in bar hole, the two ends of screw rod 42 connect nut 42, nut 42
And it is combined with pad between square guide pin bushing 4.The outer surface of square guide pin bushing 4 is processed scale marker, regulates according to scale marker
The position of screw rod 42.
The upper end of circular cone 32 is provided with two symmetrical slide heads, and described slide head coordinates on described vertical guide pillar 3
In bar hole.By the bar hole restriction to slide head, it is possible to prevent circular cone 32 from rotating, and improve the steady of circular cone 32 slip
Qualitative.Being bonded with friction plate 311 on brake-shoe 31, friction plate 311 is made up of rubber, and friction plate 311 can increase frictional force, and
And more wear-resisting, extend the life-span of brake.
The detection device of foreign body in detecting punch 21 undershoot stroke, the outfan of detection device are installed on punch 21
Connecting and have control device, the outfan controlling device connects described driving means.Punch is detected 21 times by detection assembling device
Whether side has foreign body, thus judges that the hands of operator, whether in stamped area, detects device phase signals and informs control device,
And then control driving means stopping or starting, play the effect of security protection.
The working method of above-mentioned touch pad decompressor specifically has following four steps:
First, before punching press, unscrew nut 42, dial up screw rod 42, the height of lift-bolt 42, then fastening nut 42 is carried out
Fixing, screw rod 42 carries, the stroke more great talent of the square downward punching press of guide pin bushing 4 realizes braking, i.e. realizes the reduction of stamping parts thickness.
Second, before punching press, unscrew nut 42, stir downwards screw rod 42, reduce the height of screw rod 42, then fastening nut 42
Being fixed, screw rod 42 moves down, and the stroke of the square downward punching press of guide pin bushing 4 is less and realizes braking, i.e. realizes stamping parts thickness
Increase.
3rd, stamping parts is placed between punch 21 and die 11, before punching press, in the surface smear punching press of stamping parts
Oil, driving means drives the downward punching press of upper bolster 2, and the cooperation of punch 21 and die 11 realizes the punching press of stamping parts, square guide pin bushing 4
Slide relative with vertical guide pillar 3 realizes the guiding of upper bolster 2.
4th, during punching press, square guide pin bushing 4 moves down along with upper bolster 2, and square guide pin bushing 4 drives screw rod 42 to move down, screw rod
Slide in bar hole on square guide pin bushing 4 and vertical guide pillar 3 while of 42, when screw rod 42 contacts circular cone 32, i.e. arrive retarder location
Putting, screw rod 42 promotes circular cone 32 to move down, and circular cone 32 promotes brake-shoe 31 to be flared out, and brake-shoe 31 stretches out on vertical guide pillar 3
Opening and square guide pin bushing 4 inwall inconsistent, make square guide pin bushing 4 stop by frictional force, it is achieved braking.
The general knowledge such as above-described is only embodiments of the invention, concrete technical scheme known in scheme were not made at this
Many descriptions.It should be pointed out that, for a person skilled in the art, on the premise of without departing from technical solution of the present invention, also may be used
To make some improvement, these also should be considered as protection scope of the present invention, and these are all without affecting the effect that the present invention implements
And practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, concrete in description
Embodiments etc. record the content that may be used for explaining claim.
Claims (5)
1. a method of work for touch pad decompressor, this touch pad decompressor includes upper bolster and the lower mold being oppositely arranged
Seat, described upper bolster connects the driving means having for driving, and described upper bolster is provided with punch, and described die shoe is provided with recessed
Mould, described die is shaped with the die groove coordinated with punch, and described die is provided with the pressing plate for punch forming part flanging；Institute
Stating and be fixed with vertical guide pillar on die shoe, described upper bolster is provided with and stands the square guide pin bushing of guide pillar socket, described vertical guide pillar lower end
Being provided with the brake connecting outer brake pipeline, described vertical guide pillar is hollow pipe and lower end is provided with two symmetrical openings, institute
State two openings that brake includes that circular cone and two ends are hinged on the brake-shoe on vertical guide pillar, brake-shoe and vertical guide pillar
Corresponding；The hinge point of described brake-shoe connects torsion spring, and torsion spring drives two brake-shoes to draw close in opposite directions；Described circular cone slides and joins
Being combined in vertical guide pillar, the taper end of circular cone is downwards and lower end is sandwiched between two brake-shoes, the lower end of circular cone and the end of vertical guide pillar
Connect between end and have spring；Symmetrical two bar hole, described square guide pin bushing it is equipped with on described square guide pin bushing and vertical guide pillar
Overlap with the bar hole two-by-two on vertical guide pillar；Jointly having crossed screw rod in described bar hole two-by-two, the two ends of screw rod connect to be had
Nut, is combined with pad between nut and square guide pin bushing；It is characterized in that the step of described method of work includes:
Adjusting screw rod: before punching press, unscrews nut, dials up screw rod, the height of lift-bolt, and then fastening nut carries out solid
Fixed, screw rod carries, the stroke more great talent of the downward punching press of square guide pin bushing realizes braking, i.e. realizes the reduction of stamping parts thickness；
Lowering screw rod: before punching press, unscrew nut, stir downwards screw rod, reduce the height of screw rod, then fastening nut carries out solid
Fixed, screw rod moves down, and the stroke of the downward punching press of square guide pin bushing is less and realizes braking, i.e. realizes the increase of stamping parts thickness；
Punching press: be placed between punch and die by stamping parts, driving means drives the downward punching press of upper bolster, punch and die
Coordinating the punching press realizing stamping parts, slide relative with vertical guide pillar of square guide pin bushing realizes the guiding of upper bolster；
Braking: during punching press, square guide pin bushing moves down along with upper bolster, square guide pin bushing drives screw rod to move down, and screw rod is simultaneously in side
Sliding in bar hole on shape guide pin bushing and vertical guide pillar, when screw rod contacts circular cone, i.e. arrive application position, screw rod promotes circular cone
Moving down, circular cone promotes brake-shoe to be flared out, and brake-shoe stretches out the opening on vertical guide pillar and square guide pin bushing inwall is inconsistent, logical
Crossing frictional force makes square guide pin bushing stop, it is achieved braking.
The method of work of touch pad decompressor the most according to claim 1, it is characterised in that: install on punch and be used for
The detection device of foreign body in detection punch undershoot stroke, the outfan of detection device connects control device, described control device
Outfan connect described driving means；Further comprising the steps of, whether have different by the lower section of detection assembling device detection punch
Thing, it may be judged whether having foreign body in stamped area, signal is informed control device by detection device, and then controls driving means stopping
Or start.
The method of work of touch pad decompressor the most according to claim 1, it is characterised in that: before punching press, at stamping parts
Surface smear punching oil.
The method of work of touch pad decompressor the most according to claim 1, it is characterised in that: viscous on described brake-shoe
Connecing friction plate, during braking, the inwall of friction plate and square guide pin bushing contacts.
The method of work of touch pad decompressor the most according to claim 1, it is characterised in that: in the appearance of square guide pin bushing
Scale marker is processed on face, further comprising the steps of, according to the position of scale marker adjusting screw rod during adjusting screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610762995.4A CN106140983B (en) | 2016-08-30 | 2016-08-30 | The working method of touch tablet decompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610762995.4A CN106140983B (en) | 2016-08-30 | 2016-08-30 | The working method of touch tablet decompressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106140983A true CN106140983A (en) | 2016-11-23 |
| CN106140983B CN106140983B (en) | 2018-08-17 |
Family
ID=57345380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610762995.4A Active CN106140983B (en) | 2016-08-30 | 2016-08-30 | The working method of touch tablet decompressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106140983B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180691A (en) * | 2018-02-09 | 2018-06-19 | 新乡学院 | A kind of rhone and its stamping die and Sheet Metal Forming Technology |
| CN111889583A (en) * | 2020-07-24 | 2020-11-06 | 舟山海山机械密封材料股份有限公司 | A spacing mistake proofing device for stamping die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484590A1 (en) * | 1990-11-06 | 1992-05-13 | Lucas Industries Public Limited Company | Drum brake with guide tube for guiding the handbrake cable |
| US20050205367A1 (en) * | 2002-11-22 | 2005-09-22 | Vincent Dupuis | Drum brake and brake shoe for one such brake |
| CN1880790A (en) * | 2005-08-03 | 2006-12-20 | 王传伟 | Brake booster |
| CN103302189A (en) * | 2013-06-28 | 2013-09-18 | 苏州唐氏机械制造有限公司 | Stamping die with braking function |
| CN204140703U (en) * | 2014-09-24 | 2015-02-04 | 重庆电子工程职业学院 | Drum brake |
-
2016
- 2016-08-30 CN CN201610762995.4A patent/CN106140983B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484590A1 (en) * | 1990-11-06 | 1992-05-13 | Lucas Industries Public Limited Company | Drum brake with guide tube for guiding the handbrake cable |
| US20050205367A1 (en) * | 2002-11-22 | 2005-09-22 | Vincent Dupuis | Drum brake and brake shoe for one such brake |
| CN1880790A (en) * | 2005-08-03 | 2006-12-20 | 王传伟 | Brake booster |
| CN103302189A (en) * | 2013-06-28 | 2013-09-18 | 苏州唐氏机械制造有限公司 | Stamping die with braking function |
| CN204140703U (en) * | 2014-09-24 | 2015-02-04 | 重庆电子工程职业学院 | Drum brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180691A (en) * | 2018-02-09 | 2018-06-19 | 新乡学院 | A kind of rhone and its stamping die and Sheet Metal Forming Technology |
| CN111889583A (en) * | 2020-07-24 | 2020-11-06 | 舟山海山机械密封材料股份有限公司 | A spacing mistake proofing device for stamping die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106140983B (en) | 2018-08-17 |
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Address after: 215000 Building 2, No. 66, Jixiang Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Changli Electronic Technology Co.,Ltd. Country or region after: China Address before: Building 2, No. 66, Jixiang Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215100 Patentee before: SUZHOU CHANGLI RUBBER & PLASTIC TECHNOLOGY CO.,LTD. Country or region before: China |