CN109079031A - Riveting device and riveting method in a kind of mould for silicon steel sheet progressive die - Google Patents

Riveting device and riveting method in a kind of mould for silicon steel sheet progressive die Download PDF

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Publication number
CN109079031A
CN109079031A CN201811057140.7A CN201811057140A CN109079031A CN 109079031 A CN109079031 A CN 109079031A CN 201811057140 A CN201811057140 A CN 201811057140A CN 109079031 A CN109079031 A CN 109079031A
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CN
China
Prior art keywords
steel sheet
silicon steel
press
punching
bearing jar
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Granted
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CN201811057140.7A
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Chinese (zh)
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CN109079031B (en
Inventor
郭斌
周宜存
赵来远
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Jiangyin Huaxin Electrical Polytron Technologies Inc
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Jiangyin Huaxin Electrical Polytron Technologies Inc
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    • 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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/08Dies with different parts for several steps in a process
    • 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
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)

Abstract

The present invention relates to stamping die technical fields, it discloses riveting device and riveting methods in a kind of mould for silicon steel sheet progressive die, riveting device includes on progressive die for carrying out the tightening seat of silicon steel sheet closed assembly in the mould, the tightening seat is equipped with tightening ring, the top-bearing jar for being pressed in above-below direction is provided with immediately below the tightening ring, the elevating lever top of the top-bearing jar is connected with press disk, side below the tightening ring is provided with for laterally elapsing the silicon steel sheet component after press from the press disk of top-bearing jar to the lateral push rod of hopper;The riveting method includes that setting origin position and unloading position, the counting of punching machine control system progress stamping, top-bearing jar and lateral push rod are successively acted with the processing step of realization press and discharging.The present invention improves the closed assembly quality of silicon steel sheet.

Description

Riveting device and riveting method in a kind of mould for silicon steel sheet progressive die
Technical field
The present invention relates to stamping die technical fields, and in particular in a kind of mould for silicon steel sheet progressive die riveting device and Riveting method.
Background technique
Silicon steel sheet is the main element for electric machine rotor or transformer, it usually require by multiple silicon steel sheet closed assemblies at It is used after one.Silicon steel sheet usually uses progressive die and is stamped to form on punching machine.In order to realize closed assembly, rushed on silicon steel sheet It is pressed with riveting mouth.
In the prior art, it is provided with the tightening seat of closed assembly on the progressive die for punching press silicon steel sheet, tightens and is equipped in seat It is wherein interference fit between tightening ring and silicon steel sheet to form biggish frictional force for accommodating the tightening ring of silicon steel sheet.Silicon The principle of steel disc closed assembly is to utilize the stamping press of blanking die and accurate punching press step pitch on mold, every a piece of silicon steel sheet of punching press, by Silicon steel sheet is pressed into tightening ring by blanking die, is linked together between adjacent silicon steel sheet by riveted.Phase in order to prevent The stick to each other of adjacent two groups of silicon steel sheets, is provided with the silicon steel sheet of a piece of not punching press riveting mouth between two adjacent groups silicon steel sheet.
Using prior art closed assembly silicon steel sheet the problem is that: burr can be generated when silicon steel sheet punching press, after closed assembly It is easy to appear certain microgap between its two neighboring silicon steel sheet of silicon steel sheet component, causes silicon steel sheet component not tight, finally Meeting is so that the performance of electric machine rotor or transformer declines.On the other hand, due to the abrasion of the tightening ring on progressive die, can make The riveted power of silicon steel sheet declines, and the silicon steel sheet component after being equally easy to cause closed assembly is not tight.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes riveting device in a kind of mould for silicon steel sheet progressive die, it is intended to mention The closed assembly quality of high silicon steel sheet, specific technical solution are as follows:
Riveting device in a kind of mould for silicon steel sheet progressive die, it is folded for carrying out silicon steel sheet on progressive die including being set to The tightening seat of dress, the tightening seat are equipped with tightening ring, are provided with immediately below the tightening ring for carrying out in above-below direction The elevating lever top of the top-bearing jar of press, the top-bearing jar is connected with press disk, and the side below the tightening ring is provided with For laterally elapsing the silicon steel sheet component after press from the press disk of top-bearing jar to the lateral push rod of hopper.
In above-mentioned technical proposal, the press of silicon steel sheet component is realized by top-bearing jar, so that the silicon steel after closed assembly Between its adjacent silicon steel sheet of piece component more closely, to improve the closed assembly quality of silicon steel sheet.
In the present invention, the top-bearing jar, lateral push rod are connected by controlling the solenoid valve of the top-bearing jar, lateral putter action Connect the control system of punching machine.
In order to realize the accurate control for pressing disk height and position on top-bearing jar, it is provided with and is used for below the press disk Detect the laser range sensor that disk height and position is pressed on the top-bearing jar, the control of the laser range sensor connection punching machine System processed.
As a preferred solution of the present invention, the safety margins position of its rising of the upper surface of press disk of the top-bearing jar It installs in the position of 5~10 punchings below the tightening ring.
The setting of its safety margins position of the press disk of above-mentioned top-bearing jar improves the safety of riveting device.
As a further improvement of the present invention, overload buffer is provided between press disk and the elevating lever of top-bearing jar The backside of pad, the press disk is connected with preload pressing plate.
On the one hand the setting of overload buffer pad between above-mentioned press disk and elevating lever can prevent overload when press, separately On the one hand the thickness cumulative errors that silicon steel sheet can be compensated in press, avoid the press of press disk not in place.
As a kind of preferred embodiment of overload buffer pad, the overload buffer pad is disk spring.
As a further improvement of the present invention, it is provided between the preload pressing plate and press disk for adjusting pretightning force Adjustment gasket.
Preferably, the pressure on top surface of the top-bearing jar is configured according to the size of single silicon steel sheet area, value be 15~ 30kg/cm2
The setting that gasket is adjusted between above-mentioned preload pressing plate and press disk realizes the adjustment of pretightning force, not by replacement The adjustment gasket of stack pile obtains different size of pretightning force, so as to adapting to the needs of different product pretightning force.
A kind of riveting method of riveting device in the mould for silicon steel sheet progressive die, comprises the technical steps that:
The safety margins position of its rising of the upper surface for pressing disk of top-bearing jar is arranged apart from the tightening ring in step 1 The position of lower section N piece punching thickness, wherein N=5~10, and this extreme position is set as origin position, while will be after closed assembly The thickness of N piece punching below tightening ring is arranged in along with one group of silicon steel sheet component is total in the unloading position of its lower end of silicon steel sheet component The position of height;
Step 2, top-bearing jar rise to origin position, and punching machine starts punching press, and punching machine control system carries out the counting of stamping;
After the completion of step 3, first group of silicon steel sheet component punching press, punching machine control system will be counted and be reset, and counting restarts;
Step 4, next group of silicon steel sheet component continue punching press, while its a piece of top-bearing jar of every punching press moves down a punching The position of thickness, until next group of silicon steel sheet component punching press completion, the top-bearing jar moves to unloading position;Wherein, every punching press Complete one group of silicon steel sheet component, punching machine control system will be counted and reset, and counting restarts;
Step 5, lateral putter action, by the silicon steel sheet component transverse direction passage on the press disk of top-bearing jar to hopper, then Lateral recovery rod is in situ;
Step 6, top-bearing jar rapid increase, until its upper surface position for pressing disk reaches N piece punching below tightening ring Thickness adds top-bearing jar from the place of the thickness of total the piece number of punching machine continuation punching press during the movement for dropping to rising;
Step 7 repeats step 4~6, until punching machine stops after completing all punching press tasks.
In above-mentioned riveting method, the counting of punching press, the punching of silicon steel sheet, and press are realized by punching machine control system Cylinder, the press of lateral push rod and discharging movement, one side realizes higher punching press closed assembly automation, on the other hand due to right Silicon steel sheet component is applied with pressure on top surface, and the silicon steel sheet component after can making closed assembly is closer, to improve silicon steel sheet component Quality.
The beneficial effects of the present invention are:
First, riveting device in a kind of mould for silicon steel sheet progressive die of the invention realizes silicon steel by top-bearing jar The press of piece component, so that between silicon steel sheet component its adjacent silicon steel sheet after closed assembly more closely, to improve silicon The closed assembly quality of steel disc.
Second, riveting device in a kind of mould for silicon steel sheet progressive die of the invention, its safety of the press disk of top-bearing jar The setting of extreme position improves the safety of riveting device.
Third, riveting device in a kind of mould for silicon steel sheet progressive die of the invention press mistake between disk and elevating lever On the one hand the setting for carrying cushion can prevent overload when press, the thickness of silicon steel sheet on the other hand can be compensated in press Cumulative errors are spent, avoid the press of press disk not in place.
4th, riveting device in a kind of mould for silicon steel sheet progressive die of the invention pre-tightens between pressing plate and press disk The setting of adjustment gasket realizes the adjustment of pretightning force, different size of to obtain by the adjustment gasket for replacing different-thickness Pretightning force, so as to adapt to the needs of different product pretightning force.
5th, riveting device in a kind of mould for silicon steel sheet progressive die of the invention is realized by punching machine control system The punching press of silicon steel sheet, the counting of punching and top-bearing jar, the press of lateral push rod and discharging movement, one side realize Higher punching press closed assembly automation, on the other hand due to being applied with pressure on top surface to silicon steel sheet component, the silicon after closed assembly can be made Steel disc component is closer, to improve the quality of silicon steel sheet component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of riveting device in a kind of mould for silicon steel sheet progressive die of the invention.
In figure: 1, tighten seat, 2, tightening ring, 3, top-bearing jar, 4, press disk, 5, silicon steel sheet component, 6, hopper, 7, laterally push away Bar, 8, solenoid valve, 9, laser range sensor, 10, control system, 11, overload buffer pad, 12, preload pressing plate, 13, adjusting pad Piece, 14, hydraulic station, 15, progressive die (cavity plate), 16, blanking die;
In figure: A is origin position, and B is unloading position.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1:
It is as shown in Figure 1 the embodiment of riveting device in a kind of mould for silicon steel sheet progressive die of the invention, including sets In, for carrying out the tightening seat 1 of silicon steel sheet closed assembly, the tightening seat 1 is equipped with tightening ring 2, the tightening ring on progressive die 15 2 underface is provided with the top-bearing jar 3 for being pressed in above-below direction, and the elevating lever top of the top-bearing jar 3 is connected with Disk 4 is pressed, the side below the tightening ring 2 is provided with the press for the silicon steel sheet component 5 after pressing from top-bearing jar 3 It is laterally elapsed on disk 4 to the lateral push rod 7 of hopper 6.
In above-mentioned technical proposal, the press of silicon steel sheet component 5 is realized by top-bearing jar 3, so that the silicon after closed assembly Between its adjacent silicon steel sheet of steel disc component 5 more closely, to improve the closed assembly quality of silicon steel sheet.
In the present embodiment, the top-bearing jar 3, lateral push rod 7 pass through the control top-bearing jar 3, the electricity of the lateral movement of push rod 7 The control system 10 of the connection punching machine of magnet valve 8.
In order to realize the accurate control for pressing 4 height and position of disk on top-bearing jar 3, it is provided in the lower section of the press disk 4 For detecting the laser range sensor 9 for pressing 4 height and position of disk on the top-bearing jar 3, the laser range sensor 9 is connected The control system 10 of punching machine.
As a kind of preferred embodiment of the present embodiment, the safe pole of its rising of the upper surface of press disk 4 of the top-bearing jar 3 The position of 5~10 punchings below the tightening ring 2 is arranged in extreme position.
The setting of its safety margins position of the press disk 4 of above-mentioned top-bearing jar 3 improves the safety of riveting device.
As further improvement of this embodiment, it is slow that overload is provided between press disk 4 and the elevating lever of top-bearing jar 3 Pad 11 is rushed, the backside of the press disk 4, which is connected with, pre-tightens pressing plate 12.
On the one hand the setting of overload buffer pad 11 between above-mentioned press disk 4 and elevating lever can prevent overload when press, On the other hand the thickness cumulative errors that silicon steel sheet can be compensated in press, avoid the press of press disk 4 not in place.
As a kind of preferred embodiment of overload buffer pad 11, the overload buffer pad 11 is disk spring.
As the further improvement of the present embodiment, it is provided between the preload pressing plate 12 and press disk 4 for adjusting The adjustment gasket 13 of pretightning force.
Preferably, the pressure on top surface of the top-bearing jar 3 is configured according to the size of single silicon steel sheet area, value be 15~ 30kg/cm2
The setting that gasket 13 is adjusted between above-mentioned preload pressing plate 12 and press disk 4 realizes the adjustment of pretightning force, passes through The adjustment gasket 13 of different-thickness is replaced to obtain different size of pretightning force, so as to adapt to the need of different product pretightning force It wants.
Embodiment 2:
A kind of riveting method of riveting device in the mould for silicon steel sheet progressive die, comprises the technical steps that:
The safety margins position of its rising of the upper surface for pressing disk 4 of top-bearing jar 3 is arranged apart from the tightening in step 1 The position of 2 lower section N piece punching thickness is enclosed, wherein N=5~10, and this extreme position is set as origin position A, while by closed assembly The thickness of N piece punching below tightening ring 2 is arranged in along with one group of silicon steel sheet in the unloading position of 5 its lower end of silicon steel sheet component afterwards The position of 5 total height of component;
Step 2, top-bearing jar 3 rise to origin position A, and punching machine starts punching press, and punching machine control system 10 carries out the meter of stamping Number;
After the completion of step 3, first group of 5 punching press of silicon steel sheet component, punching machine control system 10 will be counted and be reset, and counting is opened again Begin;
Step 4, next group of silicon steel sheet component 5 continue punching press, while its a piece of top-bearing jar 3 of every punching press moves down one The position of punching thickness, until the 5 punching press completion of next group of silicon steel sheet component, top-bearing jar 3 move to unloading position B;Wherein, Every complete one group of silicon steel sheet component 5 of punching press, punching machine control system 10 will be counted and reset, and counting restarts;
Step 5, lateral push rod 7 act, and the silicon steel sheet component 5 on the press disk 4 of top-bearing jar 3 is laterally elapsed to hopper 6, then lateral 7 homing of push rod;
Step 6,3 rapid increase of top-bearing jar, until its upper surface position for pressing disk 4 reaches 2 lower section N piece punching of tightening ring Thickness along with top-bearing jar 3 from during the movement for dropping to rising punching machine continue punching press total the piece number thickness place;
Step 7 repeats step 4~6, until punching machine stops after completing all punching press tasks.
In above-mentioned riveting method, the counting of punching press, the punching of silicon steel sheet, Yi Jiding are realized by punching machine control system 10 Cylinder pressure 3, the press of lateral push rod 7 and discharging movement, one side realize higher punching press closed assembly automation, on the other hand by In being applied with pressure on top surface to silicon steel sheet component 5, the silicon steel sheet component 5 after can making closed assembly is closer, to improve silicon steel The quality of piece component 5.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (9)

1. riveting device in a kind of mould for silicon steel sheet progressive die, which is characterized in that including be set to progressive die on for into The tightening seat of row silicon steel sheet closed assembly, the tightening seat are equipped with tightening ring, be provided with immediately below the tightening ring for The elevating lever top of the top-bearing jar that lower direction is pressed, the top-bearing jar is connected with press disk, below the tightening ring Side is provided with for laterally elapsing the silicon steel sheet component after press from the press disk of top-bearing jar to the lateral push rod of hopper.
2. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 1, which is characterized in that the top Cylinder pressure, lateral push rod connect the control system of punching machine by controlling the solenoid valve of the top-bearing jar, lateral putter action.
3. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 2, which is characterized in that described It is provided with below press disk for detecting the laser range sensor for pressing disk height and position on the top-bearing jar, the laser The control system of distance measuring sensor connection punching machine.
4. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 2, which is characterized in that the top 5~10 punchings are arranged in below the tightening ring in its safety margins position risen of the upper surface of the press disk of cylinder pressure Position.
5. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 1, which is characterized in that the top Overload buffer pad is provided between platen and the elevating lever of top-bearing jar, the backside of the press disk is connected with preload pressing plate.
6. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 5, which is characterized in that the mistake Load cushion is disk spring.
7. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 5, which is characterized in that described pre- Press plate and presses the adjustment gasket being provided between disk for adjusting pretightning force.
8. riveting device in a kind of mould for silicon steel sheet progressive die according to claim 1, which is characterized in that the top The pressure on top surface of cylinder pressure is configured according to the size of single silicon steel sheet area, and value is 15~30kg/cm2
9. the riveting side of riveting device in a kind of mould for silicon steel sheet progressive die as described in any one of claims 1 to 7 Method, which is characterized in that comprise the technical steps that:
The safety margins position of its rising of the upper surface for pressing disk of top-bearing jar is arranged in the N below the tightening ring in step 1 The position of piece punching thickness, wherein N=5~10, and this extreme position is set as origin position, while by the silicon steel sheet after closed assembly The thickness that N piece punching below tightening ring is arranged in the unloading position of its lower end of component adds one group of silicon steel sheet component total height Position;
Step 2, top-bearing jar rise to origin position, and punching machine starts punching press, and punching machine control system carries out the counting of stamping;
After the completion of step 3, first group of silicon steel sheet component punching press, punching machine control system will be counted and be reset, and counting restarts;
Step 4, next group of silicon steel sheet component continue punching press, while its a piece of top-bearing jar of every punching press moves down a punching thickness Position, until next group of silicon steel sheet component punching press completion, the top-bearing jar move to unloading position;Wherein, every punching press complete one Group silicon steel sheet component, punching machine control system will be counted and reset, and counting restarts;
Step 5, lateral putter action, by the silicon steel sheet component on the press disk of top-bearing jar, laterally passage is then lateral to hopper Recovery rod is in situ;
Step 6, top-bearing jar rapid increase, until its upper surface position for pressing disk reaches the thickness of N piece punching below tightening ring Along with top-bearing jar from during the movement for dropping to rising punching machine continue punching press total the piece number thickness place;
Step 7 repeats step 4~6, until punching machine stops after completing all punching press tasks.
CN201811057140.7A 2018-09-11 2018-09-11 In-mold riveting device and method for silicon steel sheet progressive die Active CN109079031B (en)

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Publication number Priority date Publication date Assignee Title
CN112719100A (en) * 2020-12-28 2021-04-30 江阴华新电器科技股份有限公司 Rotary iron core lamination press-fitting die and press-fitting method
CN114785060A (en) * 2022-03-09 2022-07-22 江阴华新精密科技股份有限公司 Motor stator and rotor iron core stamping progressive die adopting dispensing lamination and dispensing process

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CN114785060A (en) * 2022-03-09 2022-07-22 江阴华新精密科技股份有限公司 Motor stator and rotor iron core stamping progressive die adopting dispensing lamination and dispensing process
US12009710B2 (en) 2022-03-09 2024-06-11 Jiangyin Huaxin Precision Technology Co., Ltd. Stamping progressive die for stator and rotor core of motor using adhesive dispensing lamination, and adhesive dispensing process

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