CN204294730U - A kind of U-shaped bracket piercing die - Google Patents

A kind of U-shaped bracket piercing die Download PDF

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Publication number
CN204294730U
CN204294730U CN201420780680.9U CN201420780680U CN204294730U CN 204294730 U CN204294730 U CN 204294730U CN 201420780680 U CN201420780680 U CN 201420780680U CN 204294730 U CN204294730 U CN 204294730U
Authority
CN
China
Prior art keywords
die
bolster
wedge
installing plate
pressure strip
Prior art date
Application number
CN201420780680.9U
Other languages
Chinese (zh)
Inventor
李俊
Original Assignee
李俊
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 李俊 filed Critical 李俊
Priority to CN201420780680.9U priority Critical patent/CN204294730U/en
Application granted granted Critical
Publication of CN204294730U publication Critical patent/CN204294730U/en

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Abstract

The utility model discloses a kind of U-shaped bracket piercing die, comprise upper bolster, die shoe, punching concave die, holding pad, pull bar, installing plate, spring, die shank, fixing wedge, piercing punch, punching concave die, gathering sill, pressure strip, movable wedge, hex screw, drift, fixing wedge etc.Complete U-shaped cantilever tip and two side punchings by this mould, avoid the position occurring machining hole to occur comparatively big error, improve machining accuracy and the production efficiency in hole, production cost is lower, and security is high.

Description

A kind of U-shaped bracket piercing die

Technical field

The utility model relates to field of machining, particularly relates to a kind of U-shaped bracket piercing die.

Background technology

U-shaped support is parts conventional in automobile, and it is the part be connected with vehicle body for vehicle frame, and play stable reinforcement, increase safeguard protection performance, therefore technical requirement is higher.

At present, U-shaped support processing is split production, is welded, then holes by a few block plate.This preparation method, the uniformity of part processing is poor, and dimensional accuracy can not meet technical requirement, even if process, coordinate with vehicle frame and vehicle body and can not reach identical state, borehole accuracy is not high, and presentation quality is poor, production efficiency is on the low side, and cost of manufacture is higher, and security is low.

Utility model content

The utility model its object is to provide a kind of U-shaped bracket piercing die, completes U-shaped cradle top and two side punchings, and then improves the quality of products, and reduces production cost.

For realizing the utility model object, the technical scheme of employing is:

A kind of U-shaped bracket piercing die, comprise upper bolster and die shoe, it is characterized in that, upper bolster lower end is provided with installing plate, punching concave die is provided with between installing plate and die shoe, bottom and the die shoe of punching concave die are fixed, the top of punching concave die is provided with holding pad, holding pad is provided with pull bar, the top of pull bar is arranged in upper bolster through installing plate, the outer wall of pull bar is sheathed with spring, the two ends of spring contact with installing plate with holding pad respectively, die shank is provided with in upper bolster, the bottom of die shank is arranged in the cavity of fixing wedge through upper bolster, the bottom of die shank is fixed with piercing punch, piercing punch is arranged in punching concave die through after cavity and holding pad.Both sides, die shoe upper end are provided with gathering sill, gathering sill is respectively arranged with pressure strip and movable wedge, spring is provided with between pressure strip and movable wedge, spring one end is connected with pressure strip, the other end is connected with movable wedge, pressure strip is fixedly connected with die shoe by hex screw, movable wedge is provided with drift, pressure strip upper end is provided with through hole, through hole is consistent with forcer position, movable wedge top is provided with inclined-plane, fixing wedge is provided with between upper bolster and die shoe, fixing wedge upper end is connected with installing plate and upper bolster by hex screw, fixing wedge lower end is provided with inclined-plane.

Further, the bottom of described upper bolster is provided with upper guide bush, and the top of die shoe is provided with lower guide pin bushing, is provided with guide pillar between upper guide bush and lower guide pin bushing, the two ends of guide pillar are separately positioned in upper guide bush and lower guide pin bushing, and the dead in line of the axis of the axis of guide pillar, upper guide bush, lower guide pin bushing.

The beneficial effects of the utility model: complete U-shaped cantilever tip and two side punchings by this mould, avoid the position occurring machining hole to occur comparatively big error, and improve machining accuracy and the production efficiency in hole, production cost is lower, and security is high.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of U-shaped bracket piercing die.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.

A kind of U-shaped bracket piercing die as shown in Figure 1, comprising: upper bolster 5, fixing wedge 11; Spring 13, die shank 8, hex screw 6, installing plate 10, guide pillar 3, punching concave die 15, lower guide pin bushing 2, die shoe 1, spring 9, pull bar 7, pressure strip 19, holding pad 17, drift 14, piercing punch 18, upper guide bush 4, movable wedge 12, workpiece 20, gathering sill 21 and hex screw 16.Upper bolster 5 lower end is provided with installing plate 10, punching concave die 15 is provided with between installing plate 10 and die shoe 1, bottom and the die shoe 1 of punching concave die 15 are fixed, the top of punching concave die 15 is provided with holding pad 17, holding pad 17 is provided with pull bar 7, the top of pull bar 7 is arranged in upper bolster 5 through installing plate 10, the outer wall of pull bar 7 is sheathed with spring 9, the two ends of spring 9 contact with installing plate 10 with holding pad 17 respectively, die shank 8 is provided with in upper bolster 5, the bottom of die shank 8 is arranged in the cavity of fixing wedge 11 through upper bolster 5, the bottom of die shank 8 is fixed with piercing punch 18, piercing punch 18 is arranged in punching concave die 15 through after cavity and holding pad 17.Both sides, die shoe 1 upper end are provided with gathering sill 21, gathering sill 21 is respectively arranged with pressure strip 19 and movable wedge 12, spring 13 is provided with between pressure strip 19 and movable wedge 12, spring 13 one end is connected with pressure strip 19, the other end is connected with movable wedge 12, pressure strip 19 is fixedly connected with die shoe 1 by hex screw 16, movable wedge 12 is provided with drift 14, pressure strip 19 upper end is provided with through hole, through hole and drift 14 position consistency, movable wedge 12 top is provided with inclined-plane, fixing wedge 11 is provided with between upper bolster 5 and die shoe 1, fixing wedge 11 upper end is connected with installing plate 10 and upper bolster 5 by hex screw 6, fixing wedge 11 lower end is provided with inclined-plane.

During mold work, upper bolster 5 is with press slide block down, under the effect of spring 9, holding pad 17 compresses plate, piercing punch 18 and punching concave die 15 complete workpiece 20 top punching operation jointly, upper bolster 5 continues descending, and fixing wedge 11 promotion activity wedge 12 moves along gathering sill 20, completes workpiece 20 punching by drift 14.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (1)

1. a U-shaped bracket piercing die, comprise upper bolster and die shoe, it is characterized in that: upper bolster (5) lower end is provided with installing plate (10), punching concave die (15) is provided with between installing plate (10) and die shoe (1), the bottom of punching concave die (15) and die shoe (1) are fixed, the top of punching concave die (15) is provided with holding pad (17), holding pad (17) is provided with pull bar (7), the top of pull bar (7) is arranged in upper bolster (5) through installing plate (10), the outer wall of pull bar (7) is sheathed with spring (9), the two ends of spring (9) contact with installing plate (10) with holding pad (17) respectively, die shank (8) is provided with in upper bolster (5), the bottom of die shank (8) is arranged in the cavity of fixing wedge (11) through upper bolster (5), the bottom of die shank (8) is fixed with piercing punch (18), piercing punch (18) is arranged in punching concave die (15) through after cavity and holding pad (17), die shoe (1) both sides, upper end are provided with gathering sill (21), gathering sill (21) is respectively arranged with pressure strip (19) and movable wedge (12), spring (13) is provided with between pressure strip (19) and movable wedge (12), spring (13) one end is connected with pressure strip (19), the other end is connected with movable wedge (12), pressure strip (19) is fixedly connected with die shoe (1) by hex screw (16), movable wedge (12) is provided with drift (14), pressure strip (19) upper end is provided with through hole, through hole and drift (14) position consistency, movable wedge (12) top is provided with inclined-plane, fixing wedge (11) is provided with between upper bolster (5) and die shoe (1), fixing wedge (11) upper end is connected with installing plate (10) and upper bolster (5) by hex screw (6), fixing wedge (11) lower end is provided with inclined-plane.
CN201420780680.9U 2014-12-12 2014-12-12 A kind of U-shaped bracket piercing die CN204294730U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420780680.9U CN204294730U (en) 2014-12-12 2014-12-12 A kind of U-shaped bracket piercing die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420780680.9U CN204294730U (en) 2014-12-12 2014-12-12 A kind of U-shaped bracket piercing die

Publications (1)

Publication Number Publication Date
CN204294730U true CN204294730U (en) 2015-04-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420780680.9U CN204294730U (en) 2014-12-12 2014-12-12 A kind of U-shaped bracket piercing die

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CN (1) CN204294730U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104985049A (en) * 2015-06-30 2015-10-21 浙江杨明斯金属制品有限公司 Punching die with double punches
CN108202102A (en) * 2016-12-17 2018-06-26 重庆市银盛模具有限公司 U-shaped part punching apparatus
CN108202101A (en) * 2016-12-17 2018-06-26 重庆市银盛模具有限公司 A kind of perforating press
CN108213187A (en) * 2017-12-15 2018-06-29 昆山邦泰汽车零部件制造有限公司 A kind of punching die
CN109746312A (en) * 2017-11-05 2019-05-14 丹阳市景顺塑料制品有限公司 A kind of multiple plane punching dies
CN110918765A (en) * 2019-11-27 2020-03-27 嘉善宁远农业开发有限公司 Automatic punching equipment for inclined punching

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104985049A (en) * 2015-06-30 2015-10-21 浙江杨明斯金属制品有限公司 Punching die with double punches
CN108202102A (en) * 2016-12-17 2018-06-26 重庆市银盛模具有限公司 U-shaped part punching apparatus
CN108202101A (en) * 2016-12-17 2018-06-26 重庆市银盛模具有限公司 A kind of perforating press
CN109746312A (en) * 2017-11-05 2019-05-14 丹阳市景顺塑料制品有限公司 A kind of multiple plane punching dies
CN108213187A (en) * 2017-12-15 2018-06-29 昆山邦泰汽车零部件制造有限公司 A kind of punching die
CN110918765A (en) * 2019-11-27 2020-03-27 嘉善宁远农业开发有限公司 Automatic punching equipment for inclined punching

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

Granted publication date: 20150429

Termination date: 20151212

EXPY Termination of patent right or utility model