CN111745014A - Multi-station continuous stamping die - Google Patents

Multi-station continuous stamping die Download PDF

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Publication number
CN111745014A
CN111745014A CN202010520576.6A CN202010520576A CN111745014A CN 111745014 A CN111745014 A CN 111745014A CN 202010520576 A CN202010520576 A CN 202010520576A CN 111745014 A CN111745014 A CN 111745014A
Authority
CN
China
Prior art keywords
connecting rod
die
stamping
hinged
crankshaft
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.)
Pending
Application number
CN202010520576.6A
Other languages
Chinese (zh)
Inventor
应金宝
Original Assignee
应金宝
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 应金宝 filed Critical 应金宝
Priority to CN202010520576.6A priority Critical patent/CN111745014A/en
Publication of CN111745014A publication Critical patent/CN111745014A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28Associations of cutting devices therewith
    • B21D43/287Devices for handling sheet or strip material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices

Abstract

The invention discloses a multi-station continuous stamping die, which comprises a stamping table, wherein an upper bottom die is arranged above the stamping table, and the multi-station continuous stamping die is characterized in that: the punching machine is characterized in that a crankshaft is arranged above the punching table, the upper end of a first connecting rod on the crankshaft is hinged to a first connecting rod shaft, the upper end of a second connecting rod is hinged to a second connecting rod shaft, the upper end of a third connecting rod is hinged to a third connecting rod shaft, a vertically-arranged vertical slide way is arranged on the punching table, an upper top die is arranged in the vertical slide way in a sliding mode, a transverse slide way is transversely penetrated through the lower portion of the punching table, a lower male die and a lower female die are arranged in the transverse slide way in a sliding mode, the lower male die is hinged to the first connecting rod through a left connecting rod, the lower female die is hinged to the third connecting rod through a right connecting rod, a lower discharging air pump communicated with a lower female die cavity is arranged on the punching table, and. The invention provides a multi-station continuous stamping die, which is additionally provided with a stamping station compared with the traditional stamping and has the characteristics of low manufacturing cost and high stamping efficiency.

Description

Multi-station continuous stamping die
Technical Field
The invention relates to the field of stamping, in particular to a multi-station continuous stamping die.
Background
At present, the traditional mechanical punching machine is vertical. On a vertical punching machine, the multi-station punching is difficult to realize, and a numerical control workbench is often needed; the multi-station vertical stamping of the numerical control workbench is adopted, the structure is complicated, and the rigidity of the workbench is poor; in addition, the cost of the whole system is high.
For example, the chinese patent publication No. CN103991234B discloses a "transmission type double-station punch", which includes a machine tool and two punching stations, and is characterized in that: the machine tool is provided with a power input element and a driving device for driving the power input element to rotate around the axis of the power input element, the power input element is a cylinder, two ends of the power input element are respectively provided with a lead screw, the axes of the two lead screws are positioned on the same straight line, and the screw threads of the two lead screws are opposite in rotating direction and the lead wires are the same; each lead screw is in threaded connection with a nut, and each nut is fixedly provided with a hinged sliding seat; each punching station is provided with a punch slide block, the two punch slide blocks are symmetrically arranged by taking the axis of the lead screw as a symmetry axis, each punch slide block is hinged with two toggle rods, and the other ends of the two toggle rods are respectively hinged with the hinged support slide seat.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a multi-station continuous stamping die which is added with a stamping station compared with the traditional stamping and has the characteristics of low manufacturing cost and high stamping efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a continuous stamping die of multistation, includes the punching press platform, the punching press bench top is provided with the die block, and the below of going up the die block is provided with the air pump of unloading on with last die block die cavity intercommunication, its characterized in that: a crankshaft and a driving assembly for driving the crankshaft to rotate are arranged above the stamping table, a first connecting rod, a second connecting rod and a third connecting rod are sequentially arranged on the crankshaft, the second connecting rod is positioned between the first connecting rod and the third connecting rod, the upper end of the first connecting rod on the crankshaft is hinged on a first connecting rod shaft, the upper end of the second connecting rod is hinged on a second connecting rod shaft, the upper end of the third connecting rod is hinged on a third connecting rod shaft, a vertical slideway which is vertically arranged is arranged on the stamping table, an upper bottom die is positioned at the bottom of the vertical slideway, an upper top die is arranged in the vertical slideway in a sliding manner, the lower end of the second connecting rod is hinged above the upper top die, a transverse slideway is transversely penetrated at the lower part of the stamping table, upper side walls and lower side walls in the middle of the transverse slideway are respectively provided with upper material grooves which are communicated with the front side or the rear side, the distance between the two upper material grooves is the length width of a strip, the left side of the stamping platform is provided with a left connecting rod, the right side of the stamping platform is provided with a right connecting rod, the upper end of the left connecting rod is hinged with the lower end of the first connecting rod, the lower end of the left connecting rod is hinged on the lower male die, the upper end of the right connecting rod is hinged with the lower end of the third connecting rod, the lower end of the right connecting rod is hinged on the lower female die, the stamping platform is provided with a lower discharging air pump communicated with a lower female die cavity, and a discharging hole communicated with the outside is formed in the running position of the lower female die on the transverse sliding channel.
As an improvement, a plate strip feeding mechanism is arranged outside the stamping platform and comprises a material rail opposite to the feeding groove, a feeding channel is arranged on the material rail, conveying rollers are arranged on the material rail at intervals and are in contact with the plate strip in the feeding channel, and a cutting knife for cutting the plate strip is arranged at the position, located on the feeding groove, of the stamping platform.
And the driving assembly comprises a flywheel, a driving wheel and a driving motor which are connected with the rotation center of the crankshaft, the output shaft of the driving motor is connected with the driving wheel, and a transmission belt is connected between the flywheel and the driving wheel.
And a discharge opening is formed in the bottom of the vertical slide way.
Compared with the prior art, the invention has the advantages that: according to the invention, the alternating motion among the three connecting rods is realized by utilizing the rotation of the crankshaft, wherein the second connecting rod drives the upper top die to move in the vertical slideway, so that the die assembly and the die opening of the upper top die and the upper bottom die are realized, and the punching of a plate is completed, thus, the top of the punching table corresponds to a vertically arranged punching station in the traditional sense; in addition, the first connecting rod and the third connecting rod on the crankshaft synchronously move to respectively drive the die assembly and the die opening between the lower male die and the lower female die, and simultaneously, the first connecting rod and the third connecting rod are matched with the plate and belt feeding mechanism to realize automatic feeding, stamping and discharging of the plate and belt.
Drawings
FIG. 1 is a schematic structural diagram of a multi-station continuous stamping die according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic structural view of a strip feeding mechanism in an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
fig. 5 is a schematic structural view of a vertical chute on a stamping platform in an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 5, the multi-station continuous stamping die in this embodiment includes a stamping table 1, a crankshaft 2, an upper bottom die 32, an upper top die 31, a lower male die 61, a lower female die 62, an upper discharging air pump 41, a lower discharging air pump 42, a first connecting rod 21, a second connecting rod 22, a third connecting rod 23, a left connecting rod 51, a right connecting rod 52, a driving assembly 7, and a strip feeding mechanism 8.
As shown in fig. 1, a crankshaft 2 and a driving assembly 7 for driving the crankshaft 2 to rotate are disposed above the punching stage 1. The drive unit 7 includes a flywheel 71 connected to the rotation center of the crankshaft 2, a drive wheel 73, and a drive motor having an output shaft connected to the drive wheel 73, and a transmission belt 72 connected between the flywheel 71 and the drive wheel 73. The crankshaft 2 is composed of three sections, each section corresponds to a crankshaft 201 and a connecting rod shaft, a first connecting rod 21, a second connecting rod 22 and a third connecting rod 23 are sequentially arranged on the crankshaft 2, the second connecting rod 22 is located between the first connecting rod 21 and the third connecting rod 23, the upper end of the first connecting rod on the crankshaft 2 is hinged to a first connecting rod shaft 211, the upper end of the second connecting rod 22 is hinged to a second connecting rod shaft 221, the upper end of the third connecting rod 23 is hinged to a third connecting rod shaft 231, the first connecting rod shaft 211 and the third connecting rod shaft 231 are located on one side of a crankshaft rotation center line, the second connecting rod shaft 221 is located on the other side of the crankshaft rotation center line, and distances from the first connecting rod shaft 211, the second connecting rod shaft 221 and the third connecting rod shaft 231 to the crankshaft rotation center line are the. The driving motor drives the flywheel 71 to rotate through the transmission belt 72, the flywheel 71 drives the crankshaft 2 to rotate, and during the rotation of the crankshaft 2, the first link shaft 211 and the third link shaft 231 have the same motion posture and the motion posture is opposite to that of the second link shaft 221.
Referring to fig. 1, an upper bottom die 32 is disposed above the stamping table 1, an upper discharging air pump 41 communicated with the cavity of the upper bottom die 32 is disposed below the upper bottom die 32, a vertical slideway 13 is disposed on the stamping table 1, the upper bottom die 32 is located at the bottom of the vertical slideway 13, an upper top die 31 is slidably disposed in the vertical slideway 13, the lower end of the second connecting rod 22 is hinged to the upper top die 31, and a discharging opening 131 is formed at the bottom of the vertical slideway 13, as shown in fig. 5.
As shown in fig. 2, a transverse slide 11 is transversely penetrated through the lower portion of the stamping table 1, upper material grooves 111 penetrating through the front side or the rear side are respectively formed in the upper side wall and the lower side wall of the middle portion of the transverse slide 11, the distance between the two upper material grooves 111 is the length and width of the plate strip 10 for stamping, a lower male die 61 is slidably arranged on the left side of the upper material groove 111 in the transverse slide 11, and a lower female die 62 is slidably arranged on the right side of the upper material groove 111 in the transverse slide 11; meanwhile, a left connecting rod 51 is arranged on the left side of the stamping table 1, a right connecting rod 52 is arranged on the right side of the stamping table 1, the upper end of the left connecting rod 51 is hinged with the lower end of the first connecting rod 21, the lower end of the left connecting rod 51 is hinged on the lower male die 61, the upper end of the right connecting rod 52 is hinged with the lower end of the third connecting rod 23, the lower end of the right connecting rod 52 is hinged on the lower female die 62, a lower discharging air pump 42 communicated with the lower female die cavity 621 is arranged on the stamping table 1, and a discharging hole 12 communicated with the outside is formed in the running position, located on the transverse sliding way 11, of the lower female die 62.
As shown in fig. 3 and 4, a strip feeding mechanism 8 is disposed outside the stamping table 1, the strip feeding mechanism 8 includes a material rail 81 opposite to the feeding groove 11, a feeding channel is disposed on the material rail 81, conveying rollers 83 are disposed on the material rail 81 at intervals, the conveying rollers 83 contact the strip 10 in the feeding channel, and a cutting knife 82 for cutting the strip 10 is disposed at the feeding groove 111 on the stamping table 1. After the long plate strip 10 is placed in the feeding channel, the plate strip 10 is driven to move forwards in the feeding channel by the rotation of the conveying roller 83, when the front end of the plate strip 10 is inserted into the feeding groove 111, and the plate strip 10 moves in place, the plate strip 10 at the front end is cut off by the cutting knife 82, so that the plate to be punched can be left in the feeding groove 111.
The working principle of the multi-station continuous stamping die is as follows:
placing the plate strip 10 with a longer length in a feeding channel of a material rail 81; the conveying rollers on the material rails 81 rotate intermittently, the front end of the plate strip 10 is inserted into the feeding groove 111 of the punching table 1, the cutting knife 82 on the punching table 1 cuts off the plate strip 10, and a plate to be punched is left at the feeding groove 111 of the cross sliding way 11; the driving motor drives the flywheel 81 to rotate through the transmission belt 72, the flywheel 71 drives the crankshaft 2 to rotate, the crankshaft 2 drives the first connecting rod 21 and the third connecting rod 23 to synchronously swing downwards, the first connecting rod 21 drives the lower male die 61 to move in the transverse sliding channel 11 through the left connecting rod 51, the third connecting rod 23 drives the lower female die 62 to move in the transverse sliding channel 11 through the right connecting rod 52, the lower male die 61 and the lower female die 62 move oppositely, and the lower male die 61 and the lower female die 62 are matched to stamp the plate left at the position of the feeding groove 111; putting a plate to be punched into an upper bottom die 32 at the top of a punching table 1; with the continuous rotation of the crankshaft 2, the lower male die 61 and the lower female die 62 are separated from each other, the punched plate moves along with the lower female die 62, when the lower female die 62 passes through the blanking hole 12 of the stamping table 1, the lower discharging air pump 42 blows air, and the punched plate in the lower female die 62 falls into the blanking hole 12 to complete discharging; with the further rotation of the crankshaft 2, the crankshaft 2 drives the second connecting rod 22 to move downwards, the upper top die 31 moves downwards in the vertical slideway 13 and the upper bottom die 32 is matched, and the plate in the upper bottom die 32 is punched; the plate belt 10 continues to move forward along with the rotation of the conveying roller 83, and then the front end part of the plate is cut by the cutting knife 82, and the cut plate is left in the feeding groove 111; the crankshaft 2 drives the second connecting rod 22 to swing upwards, the upper top die 31 and the lower bottom die 32 are opened, the upper discharging air pump 41 blows air, the punched plates in the lower bottom die 32 are discharged, the crankshaft 2 rotates for a circle at the moment, the upper bottom die 32 and the lower female die 62 are respectively punched once, and continuous punching of two punching stations can be realized along with continuous rotation of the crankshaft 2.
In summary, the alternating motion between the three connecting rods is realized by the rotation of the crankshaft 2, wherein the second connecting rod 22 drives the upper top die 31 to move in the vertical slideway 13, so as to realize die closing and die opening of the upper top die 31 and the upper bottom die 32 and complete the punching of a plate, and thus, the top of the punching table 1 corresponds to a vertically arranged punching station in the traditional sense; in addition, the first connecting rod 21 and the third connecting rod 23 on the crankshaft 2 synchronously move to respectively drive the lower male die 61 and the lower female die 62 to close and open the die, and simultaneously, the first connecting rod and the third connecting rod cooperate with the plate and belt feeding mechanism 8 to realize automatic feeding, stamping and discharging of the plate belt 10, so that another stamping station for automatic stamping of the plate belt 10 exists at the lower part of the stamping table 1.

Claims (4)

1. The utility model provides a continuous stamping die of multistation, includes stamping station (1), and stamping station (1) top is provided with die block (32), and the below of going up die block (32) is provided with the air pump (41) of unloading on with last die block (32) die cavity intercommunication, its characterized in that: a crankshaft (2) and a driving assembly (7) for driving the crankshaft (2) to rotate are arranged above the punching table (1), a first connecting rod (21), a second connecting rod (22) and a third connecting rod (23) are sequentially arranged on the crankshaft (2), the second connecting rod (22) is positioned between the first connecting rod (21) and the third connecting rod (23), the upper end of the first connecting rod (21) on the crankshaft (2) is hinged on a first connecting rod shaft (211), the upper end of the second connecting rod (22) is hinged on a second connecting rod shaft (221), the upper end of the third connecting rod (23) is hinged on a third connecting rod shaft (231), a vertical slideway (13) which is vertically arranged is arranged on the punching table (1), an upper bottom die (32) is positioned at the bottom of the vertical slideway (13), an upper top die (31) is arranged in the vertical slideway (13) in a sliding manner, the lower end of the second connecting rod (22) is hinged above the upper top die (31), and a transverse slideway (11) is transversely penetrated through the lower part of the punching table (1), an upper trough (111) communicated with the front side or the rear side is respectively arranged on the upper side wall and the lower side wall in the middle of the transverse sliding way (11), the distance between the two upper troughs (111) is the length and width of the strip (10) for stamping, a lower male die (61) is arranged in the transverse sliding way (11) on the left side of the upper trough (111) in a sliding manner, a lower female die (62) is arranged in the transverse sliding way (11) on the right side of the upper trough (111) in a sliding manner, a left connecting rod (51) is arranged on the left side of the stamping table (1), a right connecting rod (52) is arranged on the right side of the stamping table (1), the upper end of the left connecting rod (51) is hinged with the lower end of the first connecting rod (21), the lower end of the left connecting rod (51) is hinged on the lower male die (61), the upper end of the right connecting rod (52) is hinged with the lower end of the third connecting rod (23), and the lower end of, a lower discharging air pump (42) communicated with the lower female die cavity (621) is arranged on the punching table (1), and a blanking hole (12) communicated with the outside is formed in the running position of the lower female die (62) on the transverse slideway (11).
2. The multi-station continuous stamping die according to claim 1, wherein: the plate strip feeding mechanism (8) is arranged outside the stamping platform (1), the plate strip feeding mechanism (8) comprises a material rail (81) opposite to a feeding groove (111), a feeding channel is arranged on the material rail (81), conveying rollers (83) are arranged on the material rail (81) at intervals, the conveying rollers (83) are in contact with a plate strip (10) in the feeding channel, and a cutting knife (82) used for cutting off the plate strip (10) is arranged at the position, located on the feeding groove (111), of the stamping platform (1).
3. The multi-station continuous stamping die according to claim 1, wherein: the driving assembly (7) comprises a flywheel (71) connected with the rotation center of the crankshaft (2), a driving wheel (73) and a driving motor, an output shaft of the driving motor is connected with the driving wheel (73), and a transmission belt (72) is connected between the flywheel (71) and the driving wheel (73).
4. The multi-station continuous stamping die according to claim 1, wherein: the bottom of the vertical slideway (13) is provided with a discharge opening (131).
CN202010520576.6A 2020-06-10 2020-06-10 Multi-station continuous stamping die Pending CN111745014A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010520576.6A CN111745014A (en) 2020-06-10 2020-06-10 Multi-station continuous stamping die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010520576.6A CN111745014A (en) 2020-06-10 2020-06-10 Multi-station continuous stamping die

Publications (1)

Publication Number Publication Date
CN111745014A true CN111745014A (en) 2020-10-09

Family

ID=72674584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010520576.6A Pending CN111745014A (en) 2020-06-10 2020-06-10 Multi-station continuous stamping die

Country Status (1)

Country Link
CN (1) CN111745014A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205496356U (en) * 2016-02-03 2016-08-24 苏州西科金属制品有限公司 Duplex position punching machine
CN107282805A (en) * 2017-08-01 2017-10-24 温晓妮 A kind of special purpose machine tool with multi-station manipulator
CN109047470A (en) * 2018-07-24 2018-12-21 重庆宣昶工贸有限公司 A kind of aluminium foil stamping device of self-feeding
CN109226415A (en) * 2018-10-16 2019-01-18 刘赞 A kind of mold continuous punching mechanism
CN210231154U (en) * 2019-07-26 2020-04-03 新乡市旭辉光能科技有限公司 Multi-station punching machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205496356U (en) * 2016-02-03 2016-08-24 苏州西科金属制品有限公司 Duplex position punching machine
CN107282805A (en) * 2017-08-01 2017-10-24 温晓妮 A kind of special purpose machine tool with multi-station manipulator
CN109047470A (en) * 2018-07-24 2018-12-21 重庆宣昶工贸有限公司 A kind of aluminium foil stamping device of self-feeding
CN109226415A (en) * 2018-10-16 2019-01-18 刘赞 A kind of mold continuous punching mechanism
CN210231154U (en) * 2019-07-26 2020-04-03 新乡市旭辉光能科技有限公司 Multi-station punching machine

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