CN203124524U - Reciprocating fine coining and blanking die - Google Patents

Reciprocating fine coining and blanking die Download PDF

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Publication number
CN203124524U
CN203124524U CN 201320017305 CN201320017305U CN203124524U CN 203124524 U CN203124524 U CN 203124524U CN 201320017305 CN201320017305 CN 201320017305 CN 201320017305 U CN201320017305 U CN 201320017305U CN 203124524 U CN203124524 U CN 203124524U
Authority
CN
China
Prior art keywords
die
punch
bolster
cavity die
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
CN 201320017305
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Chinese (zh)
Inventor
李春庄
郭飞龙
韩秀娟
张霞
张卫东
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.)
SHANXI HUIFENG MACHINERY CO Ltd
Original Assignee
SHANXI HUIFENG MACHINERY CO Ltd
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Filing date
Publication date
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Priority to CN 201320017305 priority Critical patent/CN203124524U/en
Application granted granted Critical
Publication of CN203124524U publication Critical patent/CN203124524U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model disclose a reciprocating fine coining and blanking die, and belongs to the technical field of dies. The reciprocating fine coining and blanking die is capable of reducing burrs of a stamping. According to the technical scheme, the reciprocating fine coining and blanking die comprises an upper die and a lower die. According to the structure of the lower die, a lower template, a lower base plate and a lower concave die are sequentially fixed on a lower die base through bolts, a lower oil cylinder is installed in a center hole of the lower die base, and a lower bearing plate which is fixed on a piston of the lower oil cylinder is connected and fixed with a lower convex die through a lower pressing rod. According to the structure of the upper die, an upper template, an upper base plate and a convex die fixing plate are sequentially fixed at the bottom of an upper die base through bolts, an upper concave die bolt penetrates through the upper template, the upper base plate and the convex die fixing plate and then is connected with an upper concave die, an upper oil cylinder is installed in a center hole of the upper die base, an upper pressing rod vertically penetrates through the upper template, the upper base plate and the convex die fixing plate, and an upper convex die is sleeved in center holes of the convex die fixing plate and the upper concave die. According to the reciprocating fine coining and blanking die, bidirectional blanking is conducted on raw materials, and the burrs are reduced effectively.

Description

A kind of reciprocal accurate impression blanking die
Technical field
A kind of reciprocal accurate impression blanking die of the utility model belongs to technical field of mold, particularly relates to a kind of mould that impresses punching process.
Background technology
The punching process that adopts both at home and abroad has two big classes at present: a class is common stamping, another kind of is fine-edge blanking, no matter be which kind of punching process, what all adopt is that unidirectional stamping-out and acquisition all have burr towards the part surface, burr not only influences the part outward appearance, and distortion operation afterwards simultaneously also causes difficulty to subsequent handling by cracking because generation stress is concentrated and caused easily, also can bring the wearing and tearing of aggravation cutting edge, reduce defectives such as die life.The height of burr depends primarily on by, the size of blade clearance thick towards the intensity of part material, material and the abrasion condition of die point etc., though the improvement of above-mentioned factor can be the limitation in height of burr to a certain minimum of a value, but the burr after improving still can not satisfy the shape and size required precision higher dash part, and need following process to dwindle burr or eliminate burr.Bring more production cost thus, production efficiency is not high.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved provides a kind of precision impression blanking die that can dwindle towards the part burr, thereby reduces following process.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of reciprocal accurate impression blanking die, comprise upper die and lower die, the structure of described counterdie is: on the die shoe by bolt from the bottom up successively stack lower bolster fixedly arranged, lower bolster and lower cavity die, described die shoe, lower bolster, the center of lower bolster and lower cavity die all has through hole, following oil cylinder is installed in the hole at die shoe center, on the piston of described oil cylinder down following bearing plate is arranged fixedly, following bearing plate and lower punch are connected and fixed by down-pressed pole, described lower punch movable set is in the hole at lower cavity die center, described down-pressed pole movable set is in the hole at lower bolster and lower bolster center, and lower punch is provided with jacking mechanism;
The structure of described patrix is: the bottom of upper bolster superposes from top to bottom successively by bolt fixedly cope match-plate pattern, upper padding plate and punch retainer, the polished rod of upper cavity die bolt partly passes cope match-plate pattern, its threaded portion is connected with upper cavity die behind upper padding plate and the punch retainer, the center of described upper bolster has the hole, upper cylinder is installed in the centre bore of upper bolster, last bearing plate is fixedly arranged on the piston of upper cylinder, one or more upperpush rods vertically run through cope match-plate pattern, upper padding plate and punch retainer, one end of upperpush rod withstands on the bearing plate, the other end of upperpush rod withstands on the lower cavity die, the center of described punch retainer and upper cavity die all has through hole, last punch case is contained in the centre bore of described punch retainer and upper cavity die, and last punch is by being bolted on the described upper padding plate, and described bottom surface of going up punch is provided with rough decorative pattern;
The described cross sectional shape of going up punch and lower punch, size are all identical and their center line is coaxial;
One or more guiding mechanisms are installed between described upper bolster and the die shoe.
The structure of the guiding mechanism between described upper bolster and the die shoe is: the guide pillar movable set is in the inside of guide pin bushing, and guide pillar is fixed on the die shoe, and guide pin bushing is fixed on the upper bolster.
Described punch retainer is fixedlyed connected with an end of inner guiding post, and the other end of inner guiding post vertically runs through upper cavity die, and described lower cavity die has the hole on the position corresponding with inner guiding post.
The described punch of going up is fixed on the upper padding plate below by screw.
The structure of described jacking mechanism is: have vertical up-thin-low-thick shoulder hole on the lower punch, spring is installed in the shoulder hole, and the bottom of shoulder hole is provided with sprue, and an end of spring is connected with sprue, the other end of spring is connected with an end of push rod, and the other end of push rod stretches out outside the lower punch.
The utility model is compared the beneficial effect that has with prior art: by at patrix punch, upper cavity die being set respectively, at counterdie lower punch, lower cavity die are set respectively, bearing plate and then promotion down-pressed pole made lower punch to top dead-centre under at first lower piston promoted, meanwhile upper piston promotes to go up bearing plate and then promotes upperpush rod and makes upper cavity die to bottom dead centre, slider of punch is descending then, upper cavity die begins stamping-out to the raw material that locate at lower punch, contacts raw material until last punch with lower cavity die; Along with slide block continues descending, the active force that last punch overcomes lower punch simultaneously lower cavity die overcomes the active force of upper cavity die, to the raw material sanction that impresses and recoil, finish until stamping-out, so simply realized raw-material two-way stamping-out, can effectively reduce the burr on the raw material of impression behind the stamping-out, reduced because the following process that the processing burr brings, reduce production cost simultaneously, improved operating efficiency.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of jacking mechanism in the utility model.
Among the figure, 1 is patrix, and 2 is counterdie, 3 is die shoe, and 4 is lower bolster, and 5 is lower cavity die, 6 are following oil cylinder, and 7 are following bearing plate, and 8 is lower punch, 9 is down-pressed pole, and 10 is upper bolster, and 11 is cope match-plate pattern, 12 is upper padding plate, and 13 is punch retainer, and 14 is upper cavity die, 15 is upper cylinder, and 16 is last bearing plate, and 17 is upperpush rod, 18 is last punch, and 19 is guiding mechanism, and 20 is guide pillar, 21 is guide pin bushing, and 22 is inner guiding post, and 23 is the upper cavity die bolt, 24 is lower bolster, and 25 is jacking mechanism, and 26 is spring, 27 is sprue, and 28 is push rod.
The specific embodiment
As Fig. 1, shown in Figure 2, a kind of reciprocal accurate impression blanking die, comprise patrix 1 and counterdie 2, the structure of described counterdie 2 is: on the die shoe 3 by bolt from the bottom up successively stack lower bolster 4 fixedly arranged, lower bolster 24 and lower cavity die 5, described die shoe 3, lower bolster 4, the center of lower bolster 24 and lower cavity die 5 all has through hole, following oil cylinder 6 is installed in the hole at die shoe 3 centers, on the piston of described oil cylinder 6 down following bearing plate 7 is arranged fixedly, following bearing plate 7 is connected and fixed by down-pressed pole 9 with lower punch 8, described lower punch 8 movable sets are in the hole at lower cavity die 5 centers, described down-pressed pole 9 movable sets are in the hole at lower bolster 4 and lower bolster 24 centers, and lower punch 8 is provided with jacking mechanism 25;
The structure of described patrix 1 is: the bottom of upper bolster 10 superposes from top to bottom successively by bolt fixedly cope match-plate pattern 11, upper padding plate 12 and punch retainer 13, the polished rod of upper cavity die bolt 23 partly passes cope match-plate pattern 11, upper padding plate 12 is connected with upper cavity die 14 with punch retainer 13 its threaded portions of back, the center of described upper bolster 10 has the hole, upper cylinder 15 is installed in the centre bore of upper bolster 10, last bearing plate 16 is fixedly arranged on the piston of upper cylinder 15, one or more upperpush rods 17 vertically run through cope match-plate pattern 11, upper padding plate 12 and punch retainer 13, one end of upperpush rod 17 withstands on the bearing plate 16, the other end of upperpush rod 17 withstands on the lower cavity die 5, the center of described punch retainer 13 and upper cavity die 14 all has through hole, last punch 18 is sleeved in the centre bore of described punch retainer 13 and upper cavity die 14, and last punch 18 is by being bolted on the described upper padding plate 12, and described bottom surface of going up punch 18 is provided with rough decorative pattern;
The described cross sectional shape of going up punch 18 and lower punch 8, size are all identical and their center line is coaxial;
One or more guiding mechanisms 19 are installed between described upper bolster 10 and the die shoe 3.
The structure of the guiding mechanism 19 between described upper bolster 10 and the die shoe 3 is: guide pillar 20 movable sets are in the inside of guide pin bushing 21, and guide pillar 20 is fixed on the die shoe 3, and guide pin bushing 21 is fixed on the upper bolster 10.
Described punch retainer 13 is fixedlyed connected with an end of inner guiding post 22, and the other end of inner guiding post 22 vertically runs through upper cavity die 14, and described lower cavity die 5 and inner guiding post 22 have the hole on the corresponding position.
The described punch 18 of going up is fixed on upper padding plate 12 belows by screw.
The structure of described jacking mechanism 25 is: have vertical up-thin-low-thick shoulder hole on the lower punch 8, spring 26 is installed in the shoulder hole, the bottom of shoulder hole is provided with sprue 27, one end of spring 26 is connected with sprue 27, the other end of spring 26 is connected with an end of push rod 28, and the other end of push rod 28 stretches out outside the lower punch 8.
The utility model is installed on the punch press, and wherein, upper bolster is fixedlyed connected with the slide block on the punch press, makes patrix to move up and down along with slide block.
Described upper cavity die 14 and last punch 18 for no gap movingly, described upper cavity die bolt 23 is connected with upper cavity die 14 after passing cope match-plate pattern 11, upper padding plate 12, punch retainer 13 successively with matched in clearance, described lower punch 8 and lower cavity die 5 for no gap movingly, down-pressed pole 9 is installed in the die cavity of lower cavity die 5 and lower bolster 4 with matched in clearance.
The course of work of the present utility model is: the utility model is installed to punch press, guarantee to install fastening firm after, at first play oil cylinder 6 to promote down bearing plate 7 and then promote down-pressed pole 9 to make lower punch 8 to top dead-centre, meanwhile upper cylinder 15 promotes to go up bearing plate 16 and then promotes upperpush rod 17 and makes upper cavity die 14 to bottom dead centre; Then raw material being placed on the lower punch 8 positions, after finished the location, slider of punch was descending, and inner guiding post 22 can play the guiding role in descending process, upper cavity die 14 contact raw material and under lower punch 8 effects to the raw material stamping-out, contact raw material until last punch 18 with lower cavity die 5; Along with slide block continues descendingly, the active force while lower cavity die 5 that last punch 18 overcomes lower punch 8 overcomes the active force of upper cavity die 14, to the raw material sanction that recoils, finishes until stamping-out.Raw material during the slider of punch backhaul behind the stamping-out are released in the lower cavity die 5 under the effect of lower punch 8, rim charge under the effect of upper cavity die 14 from punch 18 back off.

Claims (5)

1. a reciprocal precision impresses blanking die, comprise patrix (1) and counterdie (2), it is characterized in that: the structure of described counterdie (2) is: die shoe (3) upward superposes from the bottom up successively by bolt fixedly lower bolster (4), lower bolster (24) and lower cavity die (5), described die shoe (3), lower bolster (4), the center of lower bolster (24) and lower cavity die (5) all has through hole, following oil cylinder (6) is installed in the hole at die shoe (3) center, on the piston of described oil cylinder (6) down following bearing plate (7) is arranged fixedly, following bearing plate (7) is connected and fixed by down-pressed pole (9) with lower punch (8), described lower punch (8) movable set is in the hole at lower cavity die (5) center, described down-pressed pole (9) movable set is in the hole at lower bolster (4) and lower bolster (24) center, and lower punch (8) is provided with jacking mechanism (25);
The structure of described patrix (1) is: the bottom of upper bolster (10) superposes from top to bottom successively by bolt fixedly cope match-plate pattern (11), upper padding plate (12) and punch retainer (13), the polished rod of upper cavity die bolt (23) partly passes cope match-plate pattern (11), upper padding plate (12) is connected with upper cavity die (14) with its threaded portion of punch retainer (13) back, the center of described upper bolster (10) has the hole, upper cylinder (15) is installed in the centre bore of upper bolster (10), last bearing plate (16) is fixedly arranged on the piston of upper cylinder (15), one or more upperpush rods (17) vertically run through cope match-plate pattern (11), upper padding plate (12) and punch retainer (13), one end of upperpush rod (17) withstands on the bearing plate (16), the other end of upperpush rod (17) withstands on the lower cavity die (5), the center of described punch retainer (13) and upper cavity die (14) all has through hole, last punch (18) is sleeved in the centre bore of described punch retainer (13) and upper cavity die (14), and last punch (18) is by being bolted on the described upper padding plate (12), and described bottom surface of going up punch (18) is provided with rough decorative pattern;
The described cross sectional shape of going up punch (18) and lower punch (8), size are all identical and their center line is coaxial;
Between described upper bolster (10) and the die shoe (3) one or more guiding mechanisms (19) are installed.
2. a kind of reciprocal precision according to claim 1 impresses blanking die, it is characterized in that: the structure of the guiding mechanism (19) between described upper bolster (10) and the die shoe (3) is: guide pillar (20) movable set is in the inside of guide pin bushing (21), guide pillar (20) is fixed on the die shoe (3), and guide pin bushing (21) is fixed on the upper bolster (10).
3. a kind of reciprocal precision according to claim 1 and 2 impresses blanking die, it is characterized in that: described punch retainer (13) is fixedlyed connected with an end of inner guiding post (22), the other end of inner guiding post (22) vertically runs through upper cavity die (14), and described lower cavity die (5) has the hole on the position corresponding with inner guiding post (22).
4. a kind of reciprocal precision according to claim 1 impresses blanking die, it is characterized in that: the described punch (18) of going up is fixed on upper padding plate (12) below by screw.
5. a kind of reciprocal precision according to claim 1 impresses blanking die, it is characterized in that: the structure of described jacking mechanism (25) is: have vertical up-thin-low-thick shoulder hole on the lower punch (8), spring (26) is installed in the shoulder hole, the bottom of shoulder hole is provided with sprue (27), one end of spring (26) is connected with sprue (27), the other end of spring (26) is connected with an end of push rod (28), and the other end of push rod (28) stretches out outside the lower punch (8).
CN 201320017305 2013-01-14 2013-01-14 Reciprocating fine coining and blanking die Expired - Fee Related CN203124524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320017305 CN203124524U (en) 2013-01-14 2013-01-14 Reciprocating fine coining and blanking die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320017305 CN203124524U (en) 2013-01-14 2013-01-14 Reciprocating fine coining and blanking die

Publications (1)

Publication Number Publication Date
CN203124524U true CN203124524U (en) 2013-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801614A (en) * 2015-05-11 2015-07-29 江西江铃底盘股份有限公司 Reaming flanging and impressing die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801614A (en) * 2015-05-11 2015-07-29 江西江铃底盘股份有限公司 Reaming flanging and impressing die

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130814

Termination date: 20140114