CN204564908U - A kind of auto brake tendon baffle punching die - Google Patents

A kind of auto brake tendon baffle punching die Download PDF

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Publication number
CN204564908U
CN204564908U CN201520265875.4U CN201520265875U CN204564908U CN 204564908 U CN204564908 U CN 204564908U CN 201520265875 U CN201520265875 U CN 201520265875U CN 204564908 U CN204564908 U CN 204564908U
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CN
China
Prior art keywords
plate
die
punch
bolster
hole
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.)
Expired - Fee Related
Application number
CN201520265875.4U
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Chinese (zh)
Inventor
邹函滔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jiangling Chassis Co Ltd
Original Assignee
Jiangxi Jiangling Chassis Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Jiangling Chassis Co Ltd filed Critical Jiangxi Jiangling Chassis Co Ltd
Priority to CN201520265875.4U priority Critical patent/CN204564908U/en
Application granted granted Critical
Publication of CN204564908U publication Critical patent/CN204564908U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of auto brake tendon baffle punching die, comprise patrix and counterdie, patrix comprises the die shank, cope match-plate pattern, upper padding plate, upper mounted plate, discharging rubber and the loading and unloading material plate that are fastenedly connected successively from top to bottom, be provided with a pair piercing punch arranged side by side in upper mounted plate, the middle guide hole of piercing punch and discharging rubber and loading and unloading material plate is slidably connected; Counterdie comprises the bottom plate, lower bolster and the lower bolster that are fastenedly connected successively from top to bottom, the upper surface of bottom plate is provided with location-plate, the position point of location-plate and brake tendon baffle profile one to and in trapezoid-shaped openings shape, the bosom of fixed head is provided with a pair punching concave die arranged side by side, die hole in punching concave die is up-small and down-big stepped cylindrical hole, and die hole lower end and lower bolster are communicated with the discharge guide hole be provided with in lower bolster.The utility model improves the mechanical strength of punch, makes blank accurate positioning, and blank punch process is stablized, and ensure that brake tendon baffle face shaping is regular.

Description

A kind of auto brake tendon baffle punching die
Technical field
The utility model belongs to machining equipment field, relates to a kind of brake tendon baffle punching die, particularly a kind of auto brake tendon baffle punching die.
Background technology
Brake tendon baffle is arranged on automobile axle brake assembly, and Main Function is guiding for shoe brake and location, thus make automobile keep when braking brake force evenly, stable.
The existing mode of production of brake tendon baffle divides four procedures to process, it first adopts single-point plate shearing machine to implement operation one blanking processing, then single-point open type steam-operating forcing press is adopted to implement the processing of operation two blanking, then adopt single-point open type steam-operating forcing press to implement operation three punching processing, finally adopt single-point open type steam-operating forcing press to implement operation four trim process.When using the existing mode of production to produce, because its diameters of the circular hole of two on workpiece is identical with workpiece blank thickness value, drift fracture, the overproof production of two hole locations, abnormal quality situation is often there is in operation three punching processing, not only production efficiency is low, and the quality of product exists risk always.
What the utility model existed based on production technology in prior art just can optimization consider, design a kind of brake tendon baffle punching die, blank punch process is stablized, ensure that the pore size of brake tendon baffle, two hole locations are stable and face shaping is regular, the punching die producing brake tendon baffle can be met like this by design is a kind of, improve the production efficiency of product, the quality stability of improving product, just seem very necessary.
Utility model content
The purpose of this utility model is the deficiency optimizing existing production technology, adapts to reality need, provides a kind of auto brake tendon baffle punching die.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of auto brake tendon baffle punching die, comprise patrix and counterdie, described patrix comprises the die shank, cope match-plate pattern, upper padding plate, upper mounted plate, discharging rubber and the loading and unloading material plate that are fastenedly connected successively from top to bottom, be provided with a pair piercing punch arranged side by side in upper mounted plate, the middle guide hole of piercing punch and discharging rubber and loading and unloading material plate is slidably connected; Described counterdie comprises the bottom plate, lower bolster and the lower bolster that are fastenedly connected successively from top to bottom, the upper surface of described bottom plate is provided with location-plate, the position point of location-plate and brake tendon baffle profile one to and in trapezoid-shaped openings shape, the bosom of fixed head is provided with a pair punching concave die arranged side by side, die hole in punching concave die is up-small and down-big stepped cylindrical hole, and die hole lower end and lower bolster are communicated with the discharge guide hole be provided with in lower bolster.
Centre position in fixed plate and discharging rubber is provided with two pieces sleeve for punch; piercing punch is divided into thick die shank and thin drift two parts; wherein intermediate location is tapered step-like; the die shank interference fit of sleeve for punch and piercing punch, the fixing trepanning interference fit on sleeve for punch upper end block set and upper mounted plate top.
The beneficial effects of the utility model are:
1. the utility model improves and the mechanical strength of the punch of workpiece blank thickness value same outer diameter and mach manufacturability, the locate mode of half opening formula improves the positioning precision of workpiece blank, blank punch process is stablized, ensure that the pore size of brake tendon baffle, two hole locations are stable and face shaping is regular.
2. the utility model improves the mechanical strength of piercing punch by arranging sleeve for punch, makes it not easily occur fracture, reduces the mold repair time, improve production efficiency, increases production capacity, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model mould;
Fig. 2 is the part of the lower die plan structure schematic diagram of the utility model embodiment 1;
Fig. 3 is the main TV structure schematic diagram after workpiece punching operation;
Fig. 4 is the plan structure schematic diagram after workpiece punching operation;
In figure, die shank 1, cope match-plate pattern 2, guide pin bushing 3, upper padding plate 4, upper mounted plate 5, sleeve for punch 6, piercing punch 7, discharging rubber 8, loading and unloading material plate 9, location-plate 10, guide pillar 11, bottom plate 12, punching concave die 13, lower bolster 14, lower bolster 15, brake tendon baffle 16.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment: see Fig. 1-Fig. 4.
A kind of auto brake tendon baffle punching die, comprise patrix and counterdie, be provided with guide pillar guide sleeve structure between described patrix and counterdie, described guide pin bushing 3 is connected with cope match-plate pattern 2 by interference fit, and described guide pillar 11 is connected with lower bolster 15 by interference fit; Patrix comprises the die shank 1, cope match-plate pattern 2, upper padding plate 4, upper mounted plate 5, discharging rubber 8 and the loading and unloading material plate 9 that are fastenedly connected successively from top to bottom, be provided with a pair piercing punch 7 arranged side by side in upper mounted plate 5, piercing punch 7 is slidably connected with the middle guide hole of discharging rubber 8 and loading and unloading material plate 9; Described counterdie comprises the bottom plate 12, lower bolster 14 and the lower bolster 15 that are fastenedly connected successively from top to bottom, the upper surface of described bottom plate 12 is provided with location-plate 10, the position point of location-plate 10 and brake tendon baffle 16 profile one to and in trapezoid-shaped openings shape, the bosom of fixed head 12 is provided with a pair punching concave die 13 arranged side by side, die hole in punching concave die 13 is up-small and down-big stepped cylindrical hole, and die hole lower end and lower bolster 14 are communicated with the discharge guide hole be provided with in lower bolster 15.
Centre position in fixed plate 5 and discharging rubber 8 is provided with two pieces sleeve for punch 6; piercing punch 7 is divided into thick die shank and thin drift two parts; wherein intermediate location is tapered step-like; the die shank interference fit of sleeve for punch 6 and piercing punch 7, the fixing trepanning interference fit on sleeve for punch 6 upper end block set and upper mounted plate 5 top.
The operation principle of utility model is summarized as follows:
It is be made up through punch process of the 16MnL hot rolled plate that 8.0mm is thick that the brake-shoe of such Jiangling card 4 × 2 vehicle brake assembly props up block, just can be used for the processing of punching die after blanking procedure, blanking operation:
The first step, by auto brake tendon baffle punching die of the present utility model, is arranged on single-point open type steam-operating 100T forcing press.
Second step, as shown in Figure 2, props up block 16 by the brake-shoe after blanking operation and is placed on above bottom plate 12, and makes brake-shoe prop up block 16 to be placed in the inner chamber of location-plate 10.
3rd step, start forcing press to prop up block 16 to brake-shoe and carry out punch process, on lathe, workbench and piercing punch 7 move downward, until workbench runs to bottom dead centre on lathe, punching is completed under making brake-shoe prop up the effect of block 16 between piercing punch 7 and punching concave die 13, reach holes aperture φ 8.0 mm, holes centre-to-centre spacing 34.00mm, holes symmetry 0.10 mm, after punching, the structure of workpiece as shown in Figure 3, Figure 4.
4th step, forcing press upper table face, piercing punch 7 and loading and unloading material plate 9 return.
5th step, props up block 16 with long-armed tweezers by the brake-shoe through punching processing and takes out from the inner chamber of location-plate 10, and load in body feed tank.
The brake tendon baffle appearance and size adopting auto brake tendon baffle punching die of the present utility model to make is stabilized in holes aperture φ 8.0 mm, holes centre-to-centre spacing 34.00mm, holes symmetry 0.10 mm, the uniformity of monnolithic case is regular, and the sustainable stable holes aperture of guaranteeing brake tendon baffle profile and two hole locations reach the designing requirement of product drawing.Also production capacity is improved while improving the quality of products; the brake-shoe of Jiangling card 4 × 2 vehicle brake assembly props up the punching operation piercing punch of block because having tumbled in sleeve for punch; its mechanical strength promotes, not easily occur fracture, thus greatly reduces the time of mold repair.Single products split run production capacity is promoted to 11900 by 8700, and split run production capacity improves 36.8%.

Claims (2)

1. an auto brake tendon baffle punching die, comprises patrix and counterdie, it is characterized in that,
Described patrix comprises the die shank (1), cope match-plate pattern (2), upper padding plate (4), upper mounted plate (5), discharging rubber (8) and the loading and unloading material plate (9) that are fastenedly connected successively from top to bottom, be provided with a pair piercing punch (7) arranged side by side in upper mounted plate (5), piercing punch (7) is slidably connected with the middle guide hole of discharging rubber (8) and loading and unloading material plate (9);
Described counterdie comprises the bottom plate (12) be fastenedly connected successively from top to bottom, lower bolster (14) and lower bolster (15), the upper surface of described bottom plate (12) is provided with location-plate (10), the position point of location-plate (10) and brake tendon baffle (16) profile one to and in trapezoid-shaped openings shape, the bosom of fixed head (12) is provided with a pair punching concave die (13) arranged side by side, die hole in punching concave die (13) is up-small and down-big stepped cylindrical hole, die hole lower end and lower bolster (14) are communicated with the discharge guide hole be provided with in lower bolster (15).
2. a kind of auto brake tendon baffle punching die according to claim 1, is characterized in that,
Centre position in fixed plate (5) and discharging rubber (8) is provided with two pieces sleeve for punch (6); piercing punch (7) is divided into thick die shank and thin drift two parts; wherein intermediate location is tapered step-like; the die shank interference fit of sleeve for punch (6) and piercing punch (7), the fixing trepanning interference fit on sleeve for punch (6) upper end block set and upper mounted plate (5) top.
CN201520265875.4U 2015-04-29 2015-04-29 A kind of auto brake tendon baffle punching die Expired - Fee Related CN204564908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520265875.4U CN204564908U (en) 2015-04-29 2015-04-29 A kind of auto brake tendon baffle punching die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520265875.4U CN204564908U (en) 2015-04-29 2015-04-29 A kind of auto brake tendon baffle punching die

Publications (1)

Publication Number Publication Date
CN204564908U true CN204564908U (en) 2015-08-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520265875.4U Expired - Fee Related CN204564908U (en) 2015-04-29 2015-04-29 A kind of auto brake tendon baffle punching die

Country Status (1)

Country Link
CN (1) CN204564908U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096827A (en) * 2017-06-27 2017-08-29 昆山申凌精密金属工业有限公司 A kind of sleeve for punch protection structure
CN108856472A (en) * 2018-08-02 2018-11-23 江西江铃底盘股份有限公司 A kind of Automobile drive rear axle damper bracket piercing die and its punching technology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096827A (en) * 2017-06-27 2017-08-29 昆山申凌精密金属工业有限公司 A kind of sleeve for punch protection structure
CN108856472A (en) * 2018-08-02 2018-11-23 江西江铃底盘股份有限公司 A kind of Automobile drive rear axle damper bracket piercing die and its punching technology

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150819

Termination date: 20190429