CN209736464U - Precise stamping die - Google Patents
Precise stamping die Download PDFInfo
- Publication number
- CN209736464U CN209736464U CN201920420911.8U CN201920420911U CN209736464U CN 209736464 U CN209736464 U CN 209736464U CN 201920420911 U CN201920420911 U CN 201920420911U CN 209736464 U CN209736464 U CN 209736464U
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- Prior art keywords
- material taking
- die
- control device
- taking arm
- driving mechanism
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Abstract
The utility model relates to an accurate stamping die. The automatic material taking mechanism comprises a material taking arm, a driving mechanism and a control device, wherein the driving mechanism is used for driving the material taking arm to enter the upper part of the lower die, the control device is used for controlling the driving mechanism to move and the material taking arm to act; when the upper die and the lower die are closed, the automatic material taking mechanism stops working, when the upper die and the lower die are opened, the control device firstly controls the driving mechanism to move the material taking arm to the upper part of the lower die, the control device controls the electromagnetic coil to supply power, and the electromagnetic coil adsorbs materials; then the control device controls the driving mechanism to move the material taking arm to the position above the blanking position, the control device controls the electromagnetic coil to be powered off, and the material falls into the blanking position. The utility model discloses when unloading to the material, the material adsorbs under controlling means's control and acquires and the unloading of free fall, and the rigidity collision can be avoided to the in-process, avoids the material to warp.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an accurate stamping die.
Background
After a stamping die is used for stamping and forming a precise object, the precise object is generally ejected out by an ejection mechanism during blanking, and then is clamped and conveyed to a preset position by a clamp; however, in the clamping process, the local stress of the object is not uniform, which causes local convex-concave, and the precision of the object is reduced.
Disclosure of Invention
An object of the utility model is to prior art not enough, provide an accurate stamping die, this mould can prevent that the punching press product from receiving external shock at the unloading in-process, reduces the collision, improves the precision of product.
A precision stamping die comprises an upper die, a lower die and an automatic material taking mechanism positioned on one side of the lower die, wherein the automatic material taking mechanism comprises a material taking arm, a driving mechanism and a control device, the driving mechanism is used for driving the material taking arm to enter the upper portion of the lower die, the control device is used for controlling the driving mechanism to move and the material taking arm to act, an electromagnetic coil is installed on the lower end face of the material taking arm, and the electromagnetic coil is electrically connected with the control device; when the upper die and the lower die are closed, the automatic material taking mechanism stops working, when the upper die and the lower die are opened, the control device firstly controls the driving mechanism to move the material taking arm to the upper part of the lower die, the control device controls the electromagnetic coil to supply power, and the electromagnetic coil adsorbs materials; then the control device controls the driving mechanism to move the material taking arm to the position above the blanking position, the control device controls the electromagnetic coil to be powered off, and the material falls into the blanking position.
Furthermore, the driving mechanism comprises a servo rotating motor, a rotating shaft of the servo rotating motor is connected with a turntable, and the turntable is connected with the material taking arm; or one end of the material taking arm is provided with a mounting hole, the axial direction of the mounting hole is vertical to the length direction of the material taking arm, and the material taking arm is connected with the servo rotating motor through the mounting hole.
Further, actuating mechanism includes linear module, and linear module is connected with the arm of getting the material.
Furthermore, the automatic material taking mechanism also comprises a fixing plate positioned on one side of the lower die, the fixing plate is provided with two sensors for sensing the position of the upper die, and the sensors are electrically connected with the control device; when the sensor senses the upper die, the sensor sends a high level to the control device, and when the sensor does not sense the upper die, the sensor sends a low level to the control device; the control device controls the driving mechanism and the electromagnetic coil to work according to the sequential change of the electric signals sent by the two sensors.
Further, the upper die comprises an upper die base, a male die fixing plate, a male die and a blank holder which are connected in sequence, and the lower die comprises a lower die base, a female die fixing plate and a female die which are connected in sequence; and an ejection mechanism for ejecting a product is arranged in the female die fixing plate.
Furthermore, the ejection mechanism comprises an ejector rod and a spring, a guide hole matched with the ejector rod is formed in the female die, and the end part of the ejector rod is inserted into the female die; the two ends of the spring are respectively connected with the ejector rod and the lower die base in an abutting mode.
Furthermore, the end part of the material taking arm is annularly arranged, and a through hole is formed in the middle part of the material taking arm; the lower end surface of the material taking arm is provided with an annular groove, and the electromagnetic coil is arranged in the annular groove.
The utility model has the advantages that: the utility model discloses when unloading to the material, the material adsorbs under controlling means's control and acquires and the unloading of free fall, and the rigidity collision can be avoided to the in-process, avoids the deformation of material.
Drawings
fig. 1 is a schematic structural diagram of the present embodiment without a control device.
The reference numerals include:
1-upper die; 11-punch retainer; 12-upper die holder; 13-male mold; 14-blank holder; 2-lower die; 21-an ejection mechanism; 22-concave die; 23-female die holder plate; 24-lower die holder; 3-fixing plate; 4-a material taking arm; 5-a driving mechanism; 6-sensor A; 7-sensor B; 8-through hole; 9-electromagnetic coil.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. As shown in fig. 1.
Example (b): a precision stamping die comprises an upper die 1, a lower die 2 and an automatic material taking mechanism positioned on one side of the lower die 2, wherein the automatic material taking mechanism comprises a material taking arm 4, a driving mechanism 5 and a control device, the driving mechanism 5 is used for driving the material taking arm 4 to enter the upper part of the lower die 2, the control device is used for controlling the driving mechanism 5 to move and the material taking arm 4 to act, an electromagnetic coil 9 is installed on the lower end face of the material taking arm 4, and the electromagnetic coil 9 is electrically connected with the control device; when the upper die 1 and the lower die 2 are closed, the automatic material taking mechanism stops working, when the upper die 1 and the lower die 2 are opened, the control device firstly controls the driving mechanism 5 to move the material taking arm 4 to the upper part of the lower die 2, the control device controls the electromagnetic coil 9 to supply power, and the electromagnetic coil adsorbs materials; then the control device controls the driving mechanism 5 to move the material taking arm 4 to the upper part of the blanking position, the control device controls the electromagnetic coil 9 to be powered off, and the material falls into the blanking position.
The working signal of the control device can be input by an operator, when the mold is opened, the operator starts a delay switch of the control device, namely the control device is connected with a power supply through a delay disconnecting switch, the control device works to control the driving mechanism 5 to move and the electromagnetic coil 9 to be electrified, when the mold opening is completed, the delay switch is powered off, and the automatic material taking mechanism is powered off and stops working.
In the technical scheme, the blanking position can be a conveyor belt, the punched materials are adsorbed by an electromagnetic coil 9 and move along with the material taking arm 4, then fall down above the conveyor belt, the distance between the materials and the conveyor belt can be set to be smaller, and the falling distance is limited, so that the impact on the materials can be reduced, and then the conveyor belt generally adopts a flexible belt and can also reduce the impact on the materials; in the process, the materials do not have rigid collision, and the shape deformation flaws of the formed product are reduced. The working time of the automatic material taking mechanism is the time for opening the die, namely the material taking and discharging are completed within the die opening time range. When the die is closed, the automatic material taking mechanism is not moved.
Furthermore, the driving mechanism 5 comprises a servo rotating motor, a rotating shaft of the servo rotating motor is connected with a turntable, and the turntable is connected with the material taking arm 4; or one end of the material taking arm 4 is provided with a mounting hole, the axial direction of the mounting hole is vertical to the length direction of the material taking arm 4, and the material taking arm 4 is connected with the servo rotating motor through the mounting hole.
The servo rotating motor can be directly connected with the material taking arm 4 or connected with the material taking arm 4 through a turntable; the servo rotary motor drives the take-out arm 4 to rotate to enter and exit the space between the upper die 1 and the lower die 2. The servo rotating motor is electrically connected with the control device and is controlled by the control device.
Further, the driving mechanism 5 comprises a linear module, and the linear module is connected with the material taking arm 4.
The linear module can be a cylinder, a linear motor and the like; when the cylinder is arranged, the cylinder is positioned on one side of the stamping die, a push rod of the cylinder is connected with the material taking arm 4, and the material taking arm 4 is driven to stretch and retract through the push rod to enter and exit a space between the upper die 1 and the lower die 2. When the linear motor is used, the linear motor is positioned on one side of the die, the material taking arm 4 is connected with a sliding block of the linear motor, the length direction of the material taking arm 4 is perpendicular to the moving direction of the sliding block, and the material taking arm 4 is driven to enter and exit a space between the upper die 1 and the lower die 2 through the movement of the sliding block.
Furthermore, the automatic material taking mechanism also comprises a fixing plate 3 positioned on one side of the lower die 2, the fixing plate 3 is provided with two sensors for sensing the position of the upper die 1, and the sensors are electrically connected with the control device; when the sensor senses the upper die 1, the sensor sends a high level to the control device, and when the sensor does not sense the upper die 1, the sensor sends a low level to the control device; the control device controls the driving mechanism 5 and the electromagnetic coil 9 to work according to the change of the sending electric signals of the two sensors.
When the device is specifically arranged, one sensor is arranged at the middle position of the upward movement of the upper die 1, the sensor is arranged as a sensor A6, the other sensor is a sensor B7, and a sensor B7 is arranged at the die assembly position of the upper die 1 and the lower die 2, when the die assembly sensor A6 senses the upper die 1 firstly and sends out a high-level electric signal, and the sensor B7 senses the upper die 1 and then sends out a high-level signal, the control device does not work; when the mold is opened, the sensor B7 senses that the upper mold 1 leaves firstly and sends out a low level signal firstly, at the moment, the control device controls the driving mechanism 5 to move and drives the material taking arm 4 to enter the upper part of the lower mold 2, then the electromagnetic coil 9 is electrified and adsorbs products, and the electromagnetic coil 9 can also be electrified along with the movement of the material taking arm 4; when the sensor A6 senses that the upper die 1 is separated and then sends a low-level signal, the control device controls the driving mechanism 5 to move, the material taking arm 4 is driven to move out of the upper part of the lower die 2, and then the electromagnetic coil 9 is powered off. The sensor can be the prior art, such as a proximity switch, an optical coupler and the like; the control device can also be the prior art, such as a PLC and the like.
Further, the upper die 1 comprises an upper die holder 12, a punch fixing plate 311, a punch 13 and a blank holder 14 which are connected in sequence, and the lower die 2 comprises a lower die holder 24, a die fixing plate 323 and a die 22 which are connected in sequence; an ejection mechanism 21 for ejecting a product is arranged in the die fixing plate 323.
After the ejection mechanism 21 is arranged, a product can be ejected out by the ejection mechanism 21 after being subjected to punch forming, and the adsorption of the product by the material taking arm is facilitated.
Further, the ejection mechanism 21 comprises an ejector rod and a spring, a guide hole matched with the ejector rod is arranged in the female die, and the end part of the ejector rod is inserted into the female die; the two ends of the spring are respectively connected with the ejector rod and the lower die holder 24 in an abutting mode.
When punching is carried out, the product is formed in the female die and the ejector rod is pushed downwards, and when the male die 13 is separated, the product is ejected out of the female die under the thrust of the ejector rod and the spring.
Furthermore, the end part of the material taking arm is annularly arranged, and a through hole 8 is formed in the middle part of the material taking arm; the lower end surface of the material taking arm is provided with an annular groove, and the electromagnetic coil 9 is arranged in the annular groove.
Set up through-hole 8, can prevent that some products can not be automatic when dropping, can conveniently pass through manual operation, ejecting it.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a precision stamping die, its includes mould and lower mould, its characterized in that: the automatic material taking mechanism comprises a material taking arm, a driving mechanism and a control device, wherein the driving mechanism is used for driving the material taking arm to enter the upper part of the lower die, the control device is used for controlling the driving mechanism to move and the material taking arm to act, an electromagnetic coil is mounted on the lower end face of the material taking arm, and the electromagnetic coil is electrically connected with the control device; when the upper die and the lower die are closed, the automatic material taking mechanism stops working, when the upper die and the lower die are opened, the control device firstly controls the driving mechanism to move the material taking arm to the upper part of the lower die, the control device controls the electromagnetic coil to supply power, and the electromagnetic coil adsorbs materials; then the control device controls the driving mechanism to move the material taking arm to the position above the blanking position, the control device controls the electromagnetic coil to be powered off, and the material falls into the blanking position.
2. A precision stamping die as claimed in claim 1, wherein: the driving mechanism comprises a servo rotating motor, a rotating shaft of the servo rotating motor is connected with a turntable, and the turntable is connected with the material taking arm; or one end of the material taking arm is provided with a mounting hole, the axial direction of the mounting hole is vertical to the length direction of the material taking arm, and the material taking arm is connected with the servo rotating motor through the mounting hole.
3. A precision stamping die as claimed in claim 1, wherein: the driving mechanism comprises a linear module, and the linear module is connected with the material taking arm.
4. A precision stamping die as claimed in claim 1, wherein: the automatic material taking mechanism also comprises a fixing plate positioned on one side of the lower die, the fixing plate is provided with two sensors for sensing the position of the upper die, and the sensors are electrically connected with the control device; when the sensor senses the upper die, the sensor sends a high level to the control device, and when the sensor does not sense the upper die, the sensor sends a low level to the control device; the control device controls the driving mechanism and the electromagnetic coil to work according to the sequential change of the electric signals sent by the two sensors.
5. A precision stamping die as claimed in claim 1, wherein: the upper die comprises an upper die base, a male die fixing plate, a male die and a blank holder which are connected in sequence, and the lower die comprises a lower die base, a female die fixing plate and a female die which are connected in sequence; and an ejection mechanism for ejecting a product is arranged in the female die fixing plate.
6. The precision press mold of claim 5, wherein: the ejection mechanism comprises an ejector rod and a spring, a guide hole matched with the ejector rod is arranged in the female die, and the end part of the ejector rod is inserted into the female die; the two ends of the spring are respectively connected with the ejector rod and the lower die base in an abutting mode.
7. The precision press mold of claim 6, wherein: the end parts of the material taking arms are annularly arranged, and through holes are formed in the middle parts of the material taking arms; the lower end surface of the material taking arm is provided with an annular groove, and the electromagnetic coil is arranged in the annular groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602035 | 2018-04-25 | ||
| CN2018206020356 | 2018-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209736464U true CN209736464U (en) | 2019-12-06 |
Family
ID=68719141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920420911.8U Expired - Fee Related CN209736464U (en) | 2018-04-25 | 2019-03-30 | Precise stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209736464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961533A (en) * | 2019-12-26 | 2020-04-07 | 芜湖凯森晶斯自动化科技有限公司 | Stamping die for hardware |
| CN111152411A (en) * | 2020-02-29 | 2020-05-15 | 广东宝丽文化发展有限公司 | Forming mechanism of accurate concatenation plastic toy |
| CN111974867A (en) * | 2020-07-14 | 2020-11-24 | 兰州电机股份有限公司 | Punching sheet recovery device |
-
2019
- 2019-03-30 CN CN201920420911.8U patent/CN209736464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961533A (en) * | 2019-12-26 | 2020-04-07 | 芜湖凯森晶斯自动化科技有限公司 | Stamping die for hardware |
| CN111152411A (en) * | 2020-02-29 | 2020-05-15 | 广东宝丽文化发展有限公司 | Forming mechanism of accurate concatenation plastic toy |
| CN111974867A (en) * | 2020-07-14 | 2020-11-24 | 兰州电机股份有限公司 | Punching sheet recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |