CN203725610U - Progressive die for punching motor brush box left shell - Google Patents

Progressive die for punching motor brush box left shell Download PDF

Info

Publication number
CN203725610U
CN203725610U CN201420018211.3U CN201420018211U CN203725610U CN 203725610 U CN203725610 U CN 203725610U CN 201420018211 U CN201420018211 U CN 201420018211U CN 203725610 U CN203725610 U CN 203725610U
Authority
CN
China
Prior art keywords
drift
bending
brush box
motor brush
left shell
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
CN201420018211.3U
Other languages
Chinese (zh)
Inventor
秦小燕
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.)
SICHUAN QINYU ELECTROMECHANICAL Co Ltd
Original Assignee
SICHUAN QINYU ELECTROMECHANICAL 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 SICHUAN QINYU ELECTROMECHANICAL Co Ltd filed Critical SICHUAN QINYU ELECTROMECHANICAL Co Ltd
Priority to CN201420018211.3U priority Critical patent/CN203725610U/en
Application granted granted Critical
Publication of CN203725610U publication Critical patent/CN203725610U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Manufacture Of Motors, Generators (AREA)

Abstract

The utility model discloses a progressive die for a punching motor brush box left shell. The progressive die for the punching motor brush box left shell comprises an upper die set and a lower die set, wherein an upper installation plate of the upper die set is sequentially provided with a first cutting punching head, a second cutting punching head, a third cutting punching head, a first bending punching head, a second bending punching head, a third bending punching head, a fourth bending punching head and a fifth bending punching head in the feeding direction, the first cutting punching head and the third cutting punching head are located at the left side end of a punch die in the feeding direction, the second cutting punching head is located at the right side end of the punch die in the feeding direction, and intervals are transversely reserved between the first and third cutting punching heads and the second cutting punching head. A lower die plate of the lower die set is sequentially provided with a first cutting die cavity, a second cutting die cavity, a third cutting die cavity, a first bending insert core, a second bending insert core, a third bending insert core, a fourth bending insert core and a fifth bending insert core which correspond to the first cutting punching head, the second cutting punching head, the third cutting punching head, the first bending punching head, the second bending punching head, the third bending punching head, the fourth bending punching head and the fifth bending punching head respectively in the feeding direction. The progressive die of the punching motor brush box left shell is high in production efficiency and low in manufacturing cost.

Description

The progressive die of the left shell of punching press motor brush box
Technical field
The utility model relates to progressive die field, particularly relates to the progressive die of the left shell of a kind of punching press motor brush box.
Background technology
Along with industrial expansion, the use amount of motor is increasing, and correspondingly, the demand of motor brush box is also increasing.465 motor brush boxes are comprised of left shell and left shell, at present, the mould that the left shell of 465 motor brush box conventionally adopts in industrial production is single operation stamping die, first blanking, then adopt that a plurality of punch presses, many molds complete successively and cut, bending, take out each operations such as tooth, this mould can not adopt band material to produce continuously, and production efficiency is low, and expend a large amount of manpower and materials, increased cost of manufacture.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and the progressive die of the left shell of a kind of punching press motor brush box is provided, and its production efficiency is high, low cost of manufacture.
The purpose of this utility model is achieved in that
A progressive die for the left shell of punching press motor brush box, comprises module, lower module, the upper bolster of upper module is provided with arranges four rectangular fairleads, it is corresponding with four fairleads respectively that the die shoe of described lower module is provided with four leads, between each lead and corresponding fairlead, be respectively equipped with ball bearing guide bushing, the inwall of ball bearing guide bushing is interference fitted on lead, the ball of ball bearing guide bushing contacts with the inwall of fairlead, the top fixed cover plate of described upper bolster, the bottom of upper bolster is upper mounting plate fixedly, on upper mounting plate, be vertically sliding combined with four contour covers that are arranged in rectangle, the bottom of each contour cover is fixedly connected with stripper plate, between each contour cover and upper cover plate, Compress Spring is set respectively, upper bolster is provided with for the installing hole of each Compress Spring is installed, on described upper mounting plate, along feedstock direction, be provided with successively first, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the 5th Bending punch, wherein, first, the 3rd cuts drift is positioned at stamping die along the left-hand end of feedstock direction, is respectively used to cut the left shell lower left quarter of motor brush box, the clout of upper left quarter, second cuts drift is positioned at stamping die along the right-hand end of feedstock direction, and second cuts drift takes the shape of the letter U, for cutting the clout of the left shell right part of motor brush box, first, the 3rd cuts drift and second cuts between drift along laterally leaving spacing distance, make motor brush box not depart from band material, the first Bending punch is 45 ° for the flanging of the left shell of bending and molding motor brush box both sides, the second Bending punch is 90 ° for the flanging of the left shell of bending and molding motor brush box both sides, the 3rd Bending punch is 45 ° for the groove at the left shell of bending and molding motor brush box middle part, the 4th Bending punch is 90 ° for the groove at the left shell of bending and molding motor brush box middle part, the 5th Bending punch is positioned at stamping die along the left side of feedstock direction, flange for left this side of shell of bending and molding motor brush box is 90 °, is respectively equipped with for first on described stripper plate, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the via hole that the 5th Bending punch passes, the top of described die shoe arranges lower bolster, on lower bolster, along feedstock direction, is provided with successively first, second, the 3rd cuts die cavity and first, second, the 3rd, the 4th, the 5th bent insert, first, second, the 3rd cuts die cavity and first, second, the 3rd, the 4th, the 5th bent insert is respectively with first, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the 5th Bending punch is corresponding.
Described upper mounting plate is provided with takes out tooth drift group for what left shell two side edgefolds of motor brush box are taken out to tooth, take out tooth drift group and be followed successively by eyelet punch, take out tooth drift in advance, take out tooth drift along feedstock direction, take out tooth drift group between the 4th Bending punch and the 5th Bending punch.
Described upper mounting plate is provided with for five of the left shell of motor brush box bending parts being beaten to five of muscle and makes muscle drift, beats before muscle drift is positioned at putting in order of Bending punch group for five.
Beat before muscle drift is positioned at and cuts the putting in order of drift group for described five, described lower bolster be provided with five beat muscle mold insert respectively with five to make muscle drift corresponding.
Described lower bolster is provided with some jigger pins for jack-up band material.
On described upper mounting plate, along feedstock direction, be provided with successively correcting hole drift, pilot pin, the quantity of pilot pin is a plurality of, corresponding each station of each pilot pin, and described lower bolster is provided with some correctings hole and correcting hole drift, pilot pin is corresponding.
Described upper mounting plate is provided with cut-out drift, cuts off drift and is positioned at after Bending punch group puts in order.
Owing to having adopted such scheme, between lead and corresponding fairlead, be provided with ball bearing guide bushing, the inwall of ball bearing guide bushing is interference fitted on lead, and the ball of ball bearing guide bushing contacts with the inwall of fairlead, sliding friction is converted to rolling friction, and coefficient of friction is low.On upper mounting plate, stand and be provided with a plurality of contour covers, during matched moulds, facilitate template and workpiece to install.On upper mounting plate, along feedstock direction, be provided with successively and cut drift, Bending punch, on lower bolster, along feedstock direction, be provided with successively and cut die cavity, bent insert, the described drift that cuts is for cutting the clout of the left shell of motor brush box, described Bending punch goes out the profile of the left shell of motor brush box for bending and molding, on a mold, both can process continuously the left shell of motor brush box, production efficiency is high, low cost of manufacture.
Upper mounting plate is provided with takes out tooth drift group for what left shell two side edgefolds of motor brush box are taken out to tooth, takes out tooth drift group and is followed successively by eyelet punch, takes out tooth drift in advance, takes out tooth drift along feedstock direction, minute takes out tooth moulding three times, improves the dentine amount of taking out.Upper mounting plate is provided with for five of the left shell of motor brush box bending parts being beaten to five of muscle and makes muscle drift, lower bolster be provided with five beat muscle mold insert respectively with five to make muscle drift corresponding, make muscle drift and beat muscle mold insert and coordinate the thickness of five bending parts of the left shell of motor brush box is thinned, be convenient to follow-up bending and molding and process.Lower bolster is provided with some jigger pins for jack-up band material, prevents that band material from contacting with lower bolster, is convenient to conveyer belt material, and is convenient to bending and molding.On upper mounting plate, along feedstock direction, be provided with successively correcting hole drift, pilot pin, the quantity of pilot pin is a plurality of, corresponding each station of each pilot pin, described lower bolster is provided with some correctings hole and correcting hole drift, pilot pin is corresponding, makes positioning precision of the present utility model higher.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of counterdie;
Fig. 3 is the A-A cross-sectional schematic of Fig. 2;
Fig. 4 is the structural representation of patrix;
Fig. 5 is the B-B cross-sectional schematic of Fig. 4;
Fig. 6 is the first bending operation schematic diagram;
Fig. 7 is the second bending operation schematic diagram;
Fig. 8 is the 3rd bending operation schematic diagram;
Fig. 9 is the curved operation schematic diagram of four fold;
Figure 10 is the 5th bending operation schematic diagram;
Figure 11 is drilling process schematic diagram;
Figure 12 is for taking out in advance tooth operation schematic diagram;
Figure 13 is for taking out tooth operation schematic diagram;
Figure 14 is the structural representation of motor brush box;
Figure 15 is the schematic top plan view of Figure 14.
In accompanying drawing, 1 is fairlead, 2 is lead, 3 is ball bearing guide bushing, 4 is upper cover plate, 5 is upper bolster, 6 is upper mounting plate, 7 is stripper plate, 8 is contour cover, 9 is Compress Spring, 10 is first to cut drift, 11 is second to cut drift, 12 is the 3rd to cut drift, 13 is the first Bending punch, 14 is the second Bending punch, 15 is the 3rd Bending punch, 16 is the 4th Bending punch, 17 is the 5th Bending punch, 18 is the left shell of motor brush box, 181 is flanging, 182 is groove, 183 is flange, 19 is lower bolster, 20 is die shoe, 21 is first to cut die cavity, 22 is second to cut die cavity, 23 is the 3rd to cut die cavity, 24 is the first bent insert, 25 is the second bent insert, 26 is the 3rd bent insert, 27 is the 4th bent insert, 28 is the 5th bent insert, 29 is eyelet punch, 30 for taking out in advance tooth drift, 31 for taking out tooth drift, 32 for making muscle drift, 33 for beating muscle mold insert, 34 is jigger pin, 35 is correcting hole, 36 for cutting off drift, 37 for cutting off die cavity, 38 is punching mould mold insert, 39 for taking out in advance tooth jumper bar, 40 for taking out tooth jumper bar.
The specific embodiment
Referring to Fig. 1 to Figure 15, a kind of embodiment for the progressive die of the left shell of punching press motor brush box, comprise module, lower module, the upper bolster of upper module is provided with arranges four rectangular fairleads 1, it is corresponding with four fairleads respectively that the die shoe of described lower module is provided with four leads 2, between each lead and corresponding fairlead, be respectively equipped with ball bearing guide bushing, between each lead 2 and corresponding fairlead 1, be provided with ball bearing guide bushing 3, the inwall of ball bearing guide bushing 3 is interference fitted on lead 2, the ball of ball bearing guide bushing 3 contacts with the inwall of fairlead 1, form guiding.The top fixed cover plate 4 of described upper bolster, the bottom of upper bolster 5 is upper mounting plate 6 fixedly, and upper cover plate 4, upper bolster 5, upper mounting plate 6 are bolted to connection, and locate by steady pin, and precision is higher.On upper mounting plate 6, be vertically sliding combined with four contour covers 8 that are arranged in rectangle, the path section of each contour cover 8 is slidably fitted on upper mounting plate 6, the ladder of contour cover 8 contacts with the upper surface of upper mounting plate 6 and forms axial limiting, the bottom of each contour cover is fixedly connected with stripper plate 7, bolt in contour cover and stripper plate screw thread are fixed, between each contour cover and upper cover plate, Compress Spring 9 is set respectively, upper bolster is provided with for the installing hole of each Compress Spring is installed, in the present embodiment, cope match-plate pattern, between upper mounting plate, be provided with the upper padding plate for increasing height, upper padding plate is provided with for to Compress Spring, contour cover is stepped down passes through hole.
On described upper mounting plate 6, along feedstock direction, be provided with successively first, second, third and cut drift 10,11,12 and first, second, third, fourth, the 5th Bending punch 13,14,15,16,17, first, second, third cuts drift 10,11,12 along feedstock direction setting and lays respectively at a station, cuts precision higher.Wherein, the first, the 3rd cut drift and be positioned at stamping die along the left-hand end of feedstock direction, be respectively used to cut the clout of the left shell lower left quarter of motor brush box, upper left quarter, in the present embodiment, the first, the 3rd cuts drift cuts hole that the left hull shape of motor brush box becomes and surrounds and take the shape of the letter U.Second cuts drift 6 is positioned at stamping die along the right-hand end of feedstock direction, second cuts drift takes the shape of the letter U, for cutting the clout of the left shell right part of motor brush box, the first, the 3rd cut drift and second and cut between drift along laterally leaving spacing distance, make motor brush box not depart from band material, make motor brush box not depart from band material, form one, be convenient to continuous processing.
First, second Bending punch is two drifts, and the 3rd, the 4th, the 5th Bending punch is one-shot head.The first Bending punch is 45 ° for the flanging 181 of the left shell of bending and molding motor brush box 18 both sides, the second Bending punch is 90 ° for the flanging 181 of the left shell of bending and molding motor brush box 18 both sides, the 3rd Bending punch is 45 ° for the groove 182 at the left shell of bending and molding motor brush box 18 middle parts, the 4th Bending punch is 90 ° for the groove 182 at the left shell of bending and molding motor brush box 18 middle parts, described four bending parts are divided into twice processing, machining accuracy is higher, bending puts in place, the 5th Bending punch is positioned at stamping die along the left side of feedstock direction, flange 183 for right shell 18 these sides of bending and molding motor brush box is 90 °, on described stripper plate, be respectively equipped with for first, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the via hole that the 5th Bending punch passes, be convenient to de-material.
The top of described die shoe 20 arranges lower bolster 19, and lower bolster 19 is bolted to connection with die shoe 20, and locates by steady pin, makes mould and die accuracy higher.On lower bolster 19, along feedstock direction, being provided with successively first, second, third cuts die cavity 21,22,23 and first, second, third, fourth, the 5th bent insert 24,25,26,27,28, first, second, third and cuts that die cavity 21,22,23 and first, second, third, fourth, the 5th bent insert 24,25,26,27,28 cut drift 10,11,12 and first, second, third, fourth with first, second, third respectively, the 5th Bending punch 13,14,15,16,17 is corresponding.Each bent insert embeds in corresponding bent insert, and locks by pin.
Further, described upper mounting plate 6 is provided with takes out 31 groups of tooth drifts for what 18 liang of side edgefolds 181 of the left shell of motor brush box are taken out to tooth, taking out 31 groups of tooth drifts is followed successively by eyelet punch 29, takes out tooth drift 30 in advance, takes out tooth drift 31 along feedstock direction, lower bolster is provided with corresponding punching mould mold insert 40, takes out tooth jumper bar 41 in advance, takes out tooth jumper bar 42, the length of taking out tooth jumper bar is greater than and takes out in advance tooth jumper bar, takes out in advance tooth jumper bar, takes out tooth jumper bar and can stretch into respectively and take out in advance tooth drift, take out in the nib that tooth drift is provided with two side edgefolds of motor brush box are taken out to tooth processing.Take out tooth operation and be divided into three processing, machining accuracy is higher, takes out tooth and puts in place, takes out 31 groups of tooth drifts between the 4th Bending punch and the 5th Bending punch, so that the processing of each operation.Further, described upper mounting plate 6 is provided with for five bending parts of the left shell 18 of motor brush box being beaten to five of muscle and makes muscle drift 32, beat before muscle drift 32 is positioned at putting in order of Bending punch group for five, further, beat before muscle drift 32 is positioned at and cuts the putting in order of drift group for described five, described lower bolster 19 be provided with five beat muscle mold insert 33 respectively with five to make muscle drift 32 corresponding.Make muscle drift and beat muscle mold insert and coordinate the thickness of five bending parts of the left shell of motor brush box is thinned, be convenient to follow-up bending and molding and process, use mold insert can prevent from damaging mould, makes the longer service life of this mould.
Further, described lower bolster 19 is provided with some jigger pins 34 for jack-up band material.In the present embodiment, the quantity of jigger pin is three row, adapts to the band material of various width.Further, on described upper mounting plate 6, along feedstock direction, be provided with successively correcting hole 35 drifts, pilot pin, the quantity of pilot pin is a plurality of, corresponding each station of each pilot pin, and described lower bolster 19 is provided with some correctings hole 35 and correcting hole 35 drifts, pilot pin is corresponding.In the present embodiment, the distance between each pilot pin equates.Further, described upper mounting plate 6 is provided with and cuts off drift 36, cuts off drift 36 and is positioned at after Bending punch group puts in order, and described lower bolster 19 is provided with that to cut off die cavity 37 corresponding with cut-out drift 36.In the present embodiment, cut off drift and comprise three drifts, wherein two drifts are for cutting off the clout of manufacturing the left shell of motor brush box both sides, and another drift, for cutting off the connecting portion of the left shell front end of motor brush box and band material, is convenient to blanking.

Claims (7)

1. a progressive die for the left shell of punching press motor brush box, comprises module, lower module, the upper bolster of upper module is provided with arranges four rectangular fairleads, it is corresponding with four fairleads respectively that the die shoe of described lower module is provided with four leads, it is characterized in that, the top fixed cover plate of described upper bolster, the bottom of upper bolster is upper mounting plate fixedly, on upper mounting plate, be vertically sliding combined with four contour covers that are arranged in rectangle, the bottom of each contour cover is fixedly connected with stripper plate, between each contour cover and upper cover plate, Compress Spring is set respectively, upper bolster is provided with for the installing hole of each Compress Spring is installed, and on described upper mounting plate, along feedstock direction, is provided with successively first, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the 5th Bending punch, wherein, first, the 3rd cuts drift is positioned at stamping die along the left-hand end of feedstock direction, is respectively used to cut the left shell lower left quarter of motor brush box, the clout of upper left quarter, second cuts drift is positioned at stamping die along the right-hand end of feedstock direction, and second cuts drift takes the shape of the letter U, for cutting the clout of the left shell right part of motor brush box, first, the 3rd cuts drift and second cuts between drift along laterally leaving spacing distance, make motor brush box not depart from band material, the first Bending punch is 45 ° for the flanging of the left shell of bending and molding motor brush box both sides, the second Bending punch is 90 ° for the flanging of the left shell of bending and molding motor brush box both sides, the 3rd Bending punch is 45 ° for the groove at the left shell of bending and molding motor brush box middle part, the 4th Bending punch is 90 ° for the groove at the left shell of bending and molding motor brush box middle part, the 5th Bending punch is positioned at stamping die along the left side of feedstock direction, flange for left this side of shell of bending and molding motor brush box is 90 °, is respectively equipped with for first on described stripper plate, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the via hole that the 5th Bending punch passes, the top of described die shoe arranges lower bolster, on lower bolster, along feedstock direction, is provided with successively first, second, the 3rd cuts die cavity and first, second, the 3rd, the 4th, the 5th bent insert, first, second, the 3rd cuts die cavity and first, second, the 3rd, the 4th, the 5th bent insert is respectively with first, second, the 3rd cuts drift and first, second, the 3rd, the 4th, the 5th Bending punch is corresponding.
2. the progressive die of the left shell of punching press motor brush box according to claim 1, it is characterized in that: described upper mounting plate is provided with takes out tooth drift group for what left shell two side edgefolds of motor brush box are taken out to tooth, take out tooth drift group and be followed successively by eyelet punch, take out tooth drift in advance, take out tooth drift along feedstock direction, take out tooth drift group between the 4th Bending punch and the 5th Bending punch.
3. the progressive die of the left shell of punching press motor brush box according to claim 1, it is characterized in that: described upper mounting plate is provided with for five of the left shell of motor brush box bending parts being beaten to five of muscle and makes muscle drift, beat before muscle drift is positioned at putting in order of Bending punch group for five.
4. the progressive die of the left shell of punching press motor brush box according to claim 3, is characterized in that: beat before muscle drift is positioned at and cuts the putting in order of drift group for described five, described lower bolster be provided with five beat muscle mold insert respectively with five to make muscle drift corresponding.
5. the progressive die of the left shell of punching press motor brush box according to claim 1, is characterized in that: described lower bolster is provided with some jigger pins for jack-up band material.
6. the progressive die of the left shell of punching press motor brush box according to claim 1, it is characterized in that: on described upper mounting plate, along feedstock direction, be provided with successively correcting hole drift, pilot pin, the quantity of pilot pin is a plurality of, corresponding each station of each pilot pin, described lower bolster is provided with some correctings hole and correcting hole drift, pilot pin is corresponding.
7. the progressive die of the left shell of punching press motor brush box according to claim 1, is characterized in that: described upper mounting plate is provided with cut-out drift, cuts off drift and is positioned at after Bending punch group puts in order.
CN201420018211.3U 2014-01-13 2014-01-13 Progressive die for punching motor brush box left shell Expired - Fee Related CN203725610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420018211.3U CN203725610U (en) 2014-01-13 2014-01-13 Progressive die for punching motor brush box left shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420018211.3U CN203725610U (en) 2014-01-13 2014-01-13 Progressive die for punching motor brush box left shell

Publications (1)

Publication Number Publication Date
CN203725610U true CN203725610U (en) 2014-07-23

Family

ID=51195713

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420018211.3U Expired - Fee Related CN203725610U (en) 2014-01-13 2014-01-13 Progressive die for punching motor brush box left shell

Country Status (1)

Country Link
CN (1) CN203725610U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107984039A (en) * 2017-12-19 2018-05-04 中国航发南方工业有限公司 A kind of progressive die Screw thread process method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107984039A (en) * 2017-12-19 2018-05-04 中国航发南方工业有限公司 A kind of progressive die Screw thread process method
CN107984039B (en) * 2017-12-19 2019-05-24 中国航发南方工业有限公司 A kind of progressive die Screw thread process method

Similar Documents

Publication Publication Date Title
CN203725614U (en) Progressive die for manufacturing motor brush box
CN202105914U (en) Capacitor cover plate processing mold
CN203426263U (en) Continuous stamping die used for producing tablet computer outer shell structural parts
CN203725611U (en) Progressive stamping die for right shell of motor brush box
CN103878244A (en) Progressive stamping die of motor rotor
CN202174165U (en) One-step forming die for plate machining
CN203426282U (en) Continuous stamping die for manufacturing elastic sheet of drilling equipment
CN203316564U (en) Flexible blanking die
CN103506492A (en) Progressive die of concave bayonet bloop and production method of concave bayonet bloop
CN201644636U (en) Elastic part progressive die for electronic scale
CN104384352A (en) Continuous stamping die for manufacturing antenna terminal of wearable equipment
CN104438833B (en) A kind of continuous stamping die manufacturing threading device talk bonder terminal
CN202479354U (en) Waveform sheet progressive die
CN205414148U (en) Make continuous stamping die of high -speed transmission backplate communication connector terminal
CN203725610U (en) Progressive die for punching motor brush box left shell
CN203578548U (en) Concave bayonet silencing sheet progressive die
CN102615199B (en) Composite bending die and composite bending process for bracket
CN205414150U (en) Continuous stamping die of production car inserts terminal
CN204234579U (en) A kind of continuous stamping die of manufacturing intelligence threading device structure part
CN204396700U (en) A kind of progressive die optimizing little T-shaped Blanking Layout
CN203804090U (en) Slide rail forming device
CN203917715U (en) Punch press for the deburring of radiator backplate and moulding
CN106734600B (en) A kind of appliance contact bearing punching press multi-station progressive die and blank operation
CN105344820A (en) Gasket blanking die
CN205217790U (en) Fin continuous stamping die

Legal Events

Date Code Title Description
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: 20140723

Termination date: 20180113