CN108246893B - Numerical control quick die changing method and numerical control quick die changing device - Google Patents

Numerical control quick die changing method and numerical control quick die changing device Download PDF

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Publication number
CN108246893B
CN108246893B CN201810075433.1A CN201810075433A CN108246893B CN 108246893 B CN108246893 B CN 108246893B CN 201810075433 A CN201810075433 A CN 201810075433A CN 108246893 B CN108246893 B CN 108246893B
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die
guide
pushing
changing
platen
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CN108246893A (en
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王建兵
王金平
孙世江
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Chongqing Kenzhuo Science And Tech Co ltd
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Chongqing Kenzhuo Science And Tech Co ltd
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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
    • B21D37/14Particular arrangements for handling and holding in place complete dies
    • B21D37/147Tool exchange carts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a numerical control quick die changing method and a numerical control quick die changing device, comprising die changing equipment and a positioning device, wherein the positioning device is used for fixedly connecting the die changing equipment with a platen of a press for placing a die to be changed; the bottom of the die changing device is provided with a height adjusting mechanism, and an automatic die changing mechanism is arranged on the table top of the die changing device; the automatic die changing mechanism comprises a guide die pushing plate for clamping a die to be changed and an automatic shifting device arranged on the table top, wherein the two guide die pushing plates are arranged on two sides of the table top, and a clamping wheel is arranged at one end, close to the platen of the press, of the guide die pushing plate. The die changing device has the advantages that the die changing device is simple in structure, the die to be changed is high in positioning precision, high in die changing speed and safe in die changing operation by using the method and the die changing device, the die changing device can be suitable for die production with different lengths and widths for the same stamping device, and the die taking and changing universality is high; the accuracy is adjusted in a numerical control calibration mode, so that the labor intensity is reduced, and the operation efficiency is improved.

Description

Numerical control quick die changing method and numerical control quick die changing device
Technical Field
The invention belongs to the technical field of numerical control die changing, and particularly relates to a numerical control rapid die changing method and a numerical control rapid die changing device.
Background
Currently, the application of stamping equipment is very wide, and for the used die replacement method, various modes such as forklift fork operation, crane lifting, through-type trolley conveying and the like are common, wherein after forklift fork operation and crane lifting, the precision is required to be adjusted in a manual calibration mode, and the labor intensity is high, the time consumption is long, and unsafe factors are many; through the mode that the platform truck was transported, need preset the platform truck track in stamping equipment's bottom, bulky, the precision requirement is high causes the stamping equipment of purchase to be with high costs and need stamping equipment and retooling platform truck to install simultaneously, to having purchased punch press and press, especially to the user that the requirement of retooling mould size precision is higher, single stamping equipment adaptation many pairs of moulds, above-mentioned mode is all inapplicable, especially to the stamping equipment that adopts automatic feeding system, the position precision after its mould targets in place directly influences the qualification of product, ordinary retooling mode can't reach accurate, quick retooling requirement.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention discloses a numerical control quick die changing method and a numerical control quick die changing device, which have strong universality of die taking and changing, adjust the precision in a numerical control calibration mode, reduce the labor intensity and improve the operation efficiency
The technical scheme adopted by the invention for solving the technical problems is that the numerical control quick die changing device comprises die changing equipment and a positioning device, wherein the positioning device is used for fixedly connecting the die changing equipment with a platen of a press for placing a die to be changed;
the bottom of the die changing device is provided with a height adjusting mechanism, and an automatic die changing mechanism is arranged on the table top of the die changing device;
the automatic die changing mechanism comprises two guide die pushing plates for clamping dies to be changed and an automatic shifting device arranged on the table top, wherein the two guide die pushing plates are arranged on two sides of the table top, and clamping wheels are arranged at one end, close to the platen of the press, of the guide die pushing plates.
Preferably, the positioning device comprises a positioning lock sleeve and a positioning lock pin which is connected with the positioning lock sleeve in a matching way, the positioning lock sleeve is fixedly arranged below the platen of the press, and the positioning lock pin is arranged on the side wall, opposite to the positioning lock sleeve, of the die changing equipment.
Preferably, the positioning lock sleeve and the positioning lock pin are two.
Preferably, the automatic shifting device comprises a movable guide rail, an electric control system and a plurality of universal balls arranged in a positioning groove, wherein the guide die pushing plate is arranged on the movable guide rail, the movable guide rail comprises a guide die guide rail and a push die guide rail, a guide die screw rod is arranged in parallel with the guide die guide rail and is connected with a guide die speed reducing motor in a driving manner, the push die guide rail is provided with a push die screw rod, the push die screw rod is connected with a push die speed reducing motor in a driving manner, and encoders are arranged on the guide die speed reducing motor and the push die speed reducing motor, and the electric control system is in control connection with the automatic shifting device.
Preferably, the plurality of universal balls are distributed in an array on a table top of the die changing device.
A numerical control quick die changing method comprises die changing and die pushing, wherein the die changing comprises the following steps,
SO1: fixing the die changing equipment and the press platen through a positioning device and a height adjusting mechanism;
SO2: two hanging pins are symmetrically arranged on the side wall of the mold to be replaced;
SO3: operating an electronic control system to enable the die changing equipment to be close to the platen of the press and enable the positioning lock pin to be locked with the positioning lock sleeve;
SO3-1: the electronic control system is operated to enable the two guide die pushing plates to take the guide die guide rail as a guide, the distance between the guide die pushing plates is adjusted to be slightly wider than a die to be replaced by the guide die screw and the guide die reducing motor, the two guide die pushing plates are enabled to take the guide die pushing rail as a guide, the guide die pushing plates are adjusted to extend to the center of the platen of the press towards the platen of the press by the guide die screw and the guide die reducing motor, and the clamping wheels on the guide die pushing plates are sleeved on the hanging pins;
SO4: operating an electronic control system to control the guided die pushing plate to move along the longitudinal direction so as to pull out the die to be replaced from the platen of the press to the die replacing equipment;
SO5: in the die changing process, the electronic control system receives the digital signals fed back by the encoder in real time, and if deviation occurs between the digital signals and the preset position, the electronic control system gives out a fine adjustment instruction after operation, so that the guide die pushing plates at two sides can be ensured to synchronously move to the preset position;
the pushing die comprises the following steps:
s11: the distance between the two guide die pushing plates is adjusted to be slightly larger than the width of the die to be replaced;
s12, manually hoisting a die to be replaced on die changing equipment, operating an electronic control system to enable the die changing equipment to be close to a platen of a press, and enabling a positioning lock pin to be locked with a positioning lock sleeve;
s13: operating an electric control system, wherein two mould pushing reducing motors drive a mould pushing screw rod to enable a mould guiding pushing plate to push a mould to be replaced to move to the center of a platen of a press by taking a mould pushing guide rail as a guide, rotating a clamping wheel to a horizontal position after the mould guiding plate is in place, retracting the mould guiding plate, loosening the connection between a positioning lock sleeve and a positioning lock pin, and retracting mould replacing equipment;
s14: the electronic control system receives the digital signal fed back by the encoder in real time in the mold pushing process, if deviation occurs between the digital signal and the preset position, the electronic control system gives out a fine adjustment instruction after operation, so that the synchronous movement of the guide mold pushing plate is ensured, and the mold to be replaced is pushed onto the platen of the press in a correct posture.
The die changing device has the advantages that the die changing device is simple in structure, the die to be changed is high in positioning precision, high in die changing speed and safe in die changing operation by using the method and the die changing device, the die changing device can be suitable for die production with different lengths and widths for the same stamping device, and the die taking and changing universality is high; the accuracy is adjusted in a numerical control calibration mode, so that the labor intensity is reduced, and the operation efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a front view of an embodiment of the present invention.
Fig. 2 is a schematic structural view of an embodiment of the present invention in plan view.
FIG. 3 is a schematic structural view of an embodiment of the mold changing device in place during mold taking according to the present invention.
FIG. 4 is a schematic structural view of an embodiment of the latch wheel locking latch of the present invention.
Fig. 5 is a schematic structural view of an embodiment of the die changing apparatus of the present invention in a state in which a die to be changed is pulled out of a platen of a press.
Reference numerals: the device comprises a platen of a press, a 2-mold to be replaced, a 3-hanging pin, a 4-positioning lock sleeve, a 5-clamping wheel, a 6-guide mold pushing plate, a 7-mold pushing screw rod, an 8-mold pushing speed reducing motor, a 9-encoder, a 10-electronic control system, an 11-mold pushing guide rail, a 12-positioning lock pin, a 13-height adjusting mechanism, a 14-travelling wheel, a 15-groove rail, a 16-guide mold speed reducing motor, a 17-guide mold guide rail, a 18-universal ball, a 19-guide mold pushing plate, a 20-flat rail, a 21-restraining groove, a 22-mold replacing device and X-longitudinal, Y-transverse and D-guide mold pushing plate strokes.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the drawings and reference numerals, so that those skilled in the art can practice the present invention after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples: referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a numerical control quick die changing device comprises a die changing device 22, and a positioning device, wherein the positioning device is used for fixedly connecting the die changing device 22 with a press platen 1 on which a die 2 to be changed is placed;
the bottom of the die changing device 22 is provided with a height adjusting mechanism 13, and an automatic die changing mechanism is arranged on the table top of the die changing device 22;
the automatic die changing mechanism comprises two guide die pushing plates 6 for clamping the die 2 to be changed and an automatic shifting device arranged on the table top, wherein the number of the guide die pushing plates 6 is two, the two guide die pushing plates 6 are arranged on two sides of the table top, and clamping wheels 5 are arranged at one end, close to the platen 1 of the press, of the guide die pushing plates 6.
As shown in fig. 1, in this embodiment, a press platen 1 is a stamping device, a die 2 to be replaced is disposed on the platen of the stamping device, a positioning device is used for fixedly connecting the die replacing device 22 with the stamping device, two hanging pins 3 are symmetrically distributed on two sides of a center line in a longitudinal X direction of the die 2 to be replaced, the hanging pins 3 are used for die replacement of the die 2 to be replaced, two guiding die pushing plates 6 symmetrically disposed on two sides of the die replacing device 22 are used for clamping the die 2 to be replaced, wherein a clamping wheel 5 sleeves the hanging pins 3 to realize synchronous movement of the die 2 to be replaced and the guiding die pushing plates 6, and the die 2 to be replaced is replaced by an automatic shifting device.
Preferably, the positioning device comprises a positioning lock sleeve 4 and a positioning lock pin 12 which is matched and connected with the positioning lock sleeve 4, the positioning lock sleeve 4 is fixedly arranged below the platen 1 of the press, and the positioning lock pin 12 is arranged on the side wall, opposite to the positioning lock sleeve 4, of the die changing device 22.
As shown in fig. 3, the positioning lock pin 12 on the die changing device 22 is clamped to the positioning lock sleeve 4 on the side wall of the stamping device, so that the fixed connection between the stamping device and the die changing device 22 can be realized, the stamping device and the die changing device 22 can not generate relative sliding during die taking and die changing, and the stable die taking or die changing of the guide die pushing plate 6 can be realized.
Preferably, the lock sleeve 4 and the lock pin 12 are two.
As shown in fig. 2, the provision of two locating sleeves 4 and two locating pins 12 allows for greater stability when the stamping apparatus is coupled to the die changing apparatus 22, the two locating sleeves and the two locating pins preferably being centrally symmetrically disposed.
Preferably, the automatic shifting device comprises a moving guide rail, an electric control system 10 and a plurality of universal balls 18 arranged in a positioning groove 21, wherein the guide die pushing plate 6 is arranged on the moving guide rail, the moving guide rail comprises a guide die guide rail 17 and a pushing die guide rail 11, a guide die screw 19 is arranged in parallel with the guide die guide rail 17, the guide die screw 19 is in driving connection with a guide die speed reducing motor 16, the pushing die guide rail 11 is provided with a pushing die screw 7, the pushing die screw 7 is in driving connection with a pushing die speed reducing motor 8, encoders 9 are arranged on the guide die speed reducing motor 16 and the pushing die speed reducing motor 8, and the electric control system 10 is in controlling connection with the automatic shifting device.
The automatic shifting device is used for an electronic control device for numerical control die changing, before die taking or die changing starts, an operator can adjust parameters, a guide die reducing motor 16 starts to start, two guide die pushing plates 6 transversely move to enable the distance between the two guide die pushing plates 6 to be larger than the preset length value of a die 2 to be changed, after the guide die pushing plates 6 reach the preset position, a travelling wheel 14 starts to drive a die changing device 22 to approach to a stamping device, a positioning lock pin 12 is clamped to a positioning lock sleeve 4 and locked in place to achieve accurate positioning, the stamping device and the die changing device 22 are fixed, a push die reducing motor 8 starts to push the two guide die pushing plates 6 to the direction of the die 2 to be changed, namely the longitudinal Y direction, in the extending process, an encoder 9 detects the positions of the two guide die pushing plates 6 in real time, if deviation occurs, a fine adjustment instruction is made after the electronic control system 10 calculates, the positions of the two guide die pushing plates 6 are detected to be one for ensuring that the two guide die pushing plates 6 synchronously move, and the clamp wheel 5 and a hanging pin 3 can be fixedly connected. As shown in fig. 4, the clamping wheel 5 rotates upwards, the hanging pin 3 is locked to fix the die 2 to be replaced, after the die 2 to be replaced is fixed, as shown in fig. 5, the push-die speed reducing motor 8 runs reversely to drive the two guide-die push plates 6 to pull the die 2 to be replaced out of the stamping equipment, and the die taking process is completed by moving a preset guide-die push plate stroke D.
The universal ball 18 arranged in the restraining groove 21 enables the guide die pushing plate 6 to move smoothly, and the universal ball 18 does not roll randomly.
The die changing process is opposite to the die taking process, the distance between the two guide die pushing plates 6 is adjusted to the width of the other die, the hanging pin 3 and the clamping wheel 5 are fixed, and the other die is pushed onto the stamping equipment according to the reverse sequence of fig. 5-4-3.
In another embodiment, in order to improve the working efficiency, a set of die changing devices 22 are disposed on two sides of the stamping device, one set is used for die taking, and the other set is used for die changing, and the die guiding speed reducing motor 16 and the die pushing speed reducing motor 8 can also adopt stepping, servo and the like to replace the common speed reducing motor, so that the numerical control can be performed even if the die changing device does not need to be provided with an encoder 9, and the numerical control quick die changing device has simpler structure.
Preferably, the mold changing device further comprises a sliding device, two rows of travelling wheels 14 are arranged at the bottom of the mold changing device 22, the sliding device comprises two rails, at least one rail is a groove rail 15, the other rail is a flat rail 20, an upper sinking groove is arranged on the groove rail 15, and the upper sinking groove is mutually embedded with steps on the travelling wheels 14.
The step on the travelling wheel 14 and the sinking groove on the groove rail 15 are mutually embedded to realize guiding in the moving process of the die changing device 22. Four travelling wheels 14 are arranged at two ends of the bottom of the die changing device 22, two rows of rails, namely a flat rail 20 and a groove rail 15, are paved on the ground, the travelling wheels 14 at the two ends roll on the rails, the travelling wheels 14 contacted with the groove rail 15 are provided with protrusions embedded into an upward sinking groove on the top surface of the groove rail 15, and the protrusions are used for guiding and positioning the die changing device 22.
Preferably, the plurality of universal balls 18 are distributed in an array on the table top of the mold changing device 22.
Due to the flexible rolling of the universal balls 22, objects such as a working plate, a material box and the like running on the universal balls can slide very flexibly, and the distribution density of the universal balls 18 can be set arbitrarily according to different bearing requirements.
A numerical control quick die changing method comprises die changing and die pushing, wherein the die changing comprises the following steps,
SO1: the die changing device 22 and the press platen 1 are fixed through a positioning device and a height adjusting mechanism 13;
SO2: two hanging pins 3 are symmetrically arranged on the side wall of the mold 2 to be replaced;
SO3: operating the electronic control system 10 to bring the die changing device 22 close to the press platen 1 and lock the positioning lock pin 12 with the positioning lock sleeve 4;
SO3-1: the electronic control system 10 is operated to enable the two guide die pushing plates 6 to take the guide die guide rail 17 as a guide, the distance between the two guide die pushing plates is adjusted to be a certain distance wider than the die 2 to be replaced through the guide die screw rod 19 and the guide die speed reducing motor 16, the two guide die pushing plates 6 take the push die guide rail 11 as a guide, the two guide die pushing plates 6 are adjusted to extend to the center of the press platen 1 towards the press platen 1 through the push die screw rod 7 and the push die speed reducing motor 8, and the clamping wheels 5 on the guide die pushing plates 6 are sleeved on the hanging pins 3;
SO4: the electronic control system 10 is operated to control the mould guiding pushing plate 6 to move along the longitudinal direction X to pull the mould 2 to be replaced out of the press platen 1 into the mould replacing equipment 22;
SO5: in the die changing process, the electronic control system 10 receives the digital signal fed back by the encoder 9 in real time, and if deviation occurs from the preset position, the electronic control system 10 calculates and then gives a fine adjustment instruction to ensure that the guide die pushing plates 6 at two sides synchronously move to the preset position;
the pushing die comprises the following steps:
s11: the distance between the two guide die pushing plates 6 is adjusted to be slightly larger than the width of the die 2 to be replaced;
s12, manually hoisting the die 2 to be replaced onto die changing equipment 22, operating the electronic control system 10 to enable the die changing equipment 22 to be close to the press platen 1, and locking the positioning lock pin 12 and the positioning lock sleeve 4;
s13: operating an electric control system 10, driving a die pushing screw rod 7 by two die pushing speed reducing motors 9 to enable a die guiding pushing plate 6 to push a die 2 to be replaced to move to the center of a platen 1 of a press by taking a die pushing guide rail 11 as a guide, rotating a clamping wheel 5 to a horizontal position after the die guiding plate 6 is in place, retracting the die guiding plate 6, loosening the connection between a positioning lock sleeve 4 and a positioning lock pin, and retracting a die changing device 22;
s14: in the mold pushing process, the electronic control system 10 receives the digital signal fed back by the encoder 9 in real time, if deviation occurs from the preset position, the electronic control system 10 calculates the deviation and then gives a fine adjustment instruction to ensure that the mold guide pushing plate 6 moves synchronously and that the mold 2 to be replaced is pushed onto the press platen 1 in the correct posture.
In the mold changing process, the electronic control system 10 is operated to enable the two guide mold pushing plates 6 to take the guide mold guide rails 17 as guiding materials, the distance between the guide mold pushing plates is adjusted to be slightly wider than the mold 2 to be replaced by a certain distance through the guide mold screw rods 19 and the guide mold speed reducing motor 16, and when the guide mold pushing plates 6 extend out of the mold 2 to be replaced, gaps are reserved to prevent collision with the mold 2 to be replaced.
In the mould pushing process, the distance between the two guide mould pushing plates 6 is slightly larger than the width of the mould 2 to be replaced, so that the mould 2 to be replaced can conveniently slide into the mould replacing equipment 22 when being lifted in place.
Preferably, in the step SO1, the specific steps of adjusting by the height adjusting mechanism 13 are as follows: the top surface of the universal ball 18 is ensured to be on the same horizontal plane with the upper plane of the platen 1 of the press by adjusting the height adjusting mechanism 13.
The preset position includes the precise position of the mold 2 to be replaced, for example, the precise distance between the mold 2 to be replaced and the guiding pushing plate 6, or the specific width of the mold 2 to be replaced, which are all set by the controller. The method and the die changing equipment 22 are used, the die 2 to be changed has high positioning precision, high die changing speed and safe die changing operation, and the die changing and die changing method can be suitable for die production with different lengths and widths for the same stamping equipment and has strong die taking and changing universality; the accuracy is adjusted in a numerical control calibration mode, so that the labor intensity is reduced, and the operation efficiency is improved.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments, and it is not intended that the invention be limited to these descriptions. Other embodiments of the invention, which are apparent to those skilled in the art to which the invention pertains without departing from its technical scope, shall be covered by the protection scope of the invention.

Claims (4)

1. The utility model provides a numerical control quick die change device, includes retooling equipment (22), its characterized in that: the die changing device is used for fixedly connecting die changing equipment (22) with a press platen (1) for placing a die (2) to be changed;
the bottom of the die changing device (22) is provided with a height adjusting mechanism (13), and an automatic die changing mechanism is arranged on the table top of the die changing device (22);
the automatic die changing mechanism comprises two guide die pushing plates (6) for clamping the die (2) to be changed and automatic shifting devices arranged on the table top, wherein the number of the guide die pushing plates (6) is two, the two guide die pushing plates (6) are arranged on two sides of the table top, and clamping wheels (5) are arranged at one end, close to the platen (1) of the press, of the guide die pushing plates (6);
the positioning device comprises a positioning lock sleeve (4) and a positioning lock pin (12) which is connected with the positioning lock sleeve (4) in a matching way, the positioning lock sleeve (4) is fixedly arranged below the platen (1) of the press, and the positioning lock pin (12) is arranged on the side wall of the die changing equipment (22) which is opposite to the positioning lock sleeve (4);
the automatic shifting device comprises a movable guide rail, an electric control system (10) and a plurality of universal balls (18) arranged in a positioning groove (21), wherein a guide die push plate (6) is arranged on the movable guide rail, the movable guide rail comprises a guide die guide rail (17) and a push die guide rail (11), a guide die screw (19) is arranged in parallel with the guide die guide rail (17), a guide die speed reducing motor (16) is connected with the guide die screw (19) in a driving manner, a push die screw (7) is arranged on the push die guide rail (11), a push die speed reducing motor (8) is connected with the push die screw (7) in a driving manner, and encoders (9) are arranged on the guide die speed reducing motor (16) and the push die speed reducing motor (8), and the electric control system (10) is connected with the automatic shifting device in a controlling manner.
2. The digitally controlled rapid die change device of claim 1, wherein: the number of the positioning lock sleeve (4) and the number of the positioning lock pins (12) are two.
3. The digitally controlled rapid die change device of claim 1, wherein: the plurality of universal balls (18) are distributed in an array on a table top of the die changing device (22).
4. A numerical control quick die change method is characterized in that: comprises die changing and die pushing, wherein the die changing comprises the following steps,
SO1: fixing the die changing equipment (22) and the press platen (1) through a positioning device and a height adjusting mechanism (13);
SO2: two hanging pins (3) are symmetrically arranged on the side wall of the mold (2) to be replaced;
SO3: operating the electronic control system (10) to enable the die changing equipment (22) to be close to the platen (1) of the press, and enabling the positioning lock pin (12) to be locked with the positioning lock sleeve (4);
SO3-1: the electronic control system (10) is operated to enable the two guide die pushing plates (6) to take the guide die guide rail (17) as a guide, the distance between the two guide die pushing plates is adjusted to be slightly wider than the distance between the two guide die pushing plates and the die to be replaced (2) through the guide die screw (19) and the guide die reducing motor (16), the two guide die pushing plates (6) take the guide die pushing rail (11) as a guide, the two guide die pushing plates (6) are adjusted to extend to the center of the press platen (1) towards the direction of the press platen (1) through the guide die screw (7) and the guide die reducing motor (8), and the clamping wheels (5) on the guide die pushing plates (6) are sleeved on the hanging pins (3);
SO4: an electronic control system (10) is operated to control the mould guiding pushing plate (6) to move along the longitudinal direction (X) so as to pull out the mould (2) to be replaced from the press platen (1) to the mould replacing equipment (22);
SO5: in the die changing process, the electronic control system (10) receives the digital signal fed back by the encoder (9) in real time, and if deviation occurs from the preset position, a fine adjustment instruction is given after the operation of the electronic control system (10), so that the die guiding pushing plates (6) at the two sides are ensured to synchronously move to the preset position;
the pushing die comprises the following steps:
s11: the distance between the two guide die pushing plates (6) is adjusted to be slightly larger than the width of the die (2) to be replaced;
s12, manually hoisting a die (2) to be replaced onto die replacing equipment (22), operating an electronic control system (10) to enable the die replacing equipment (22) to be close to a platen (1) of a press, and locking a positioning lock pin (12) and a positioning lock sleeve (4);
s13: operating an electric control system (10), driving a die pushing screw rod (7) by two die pushing reducing motors (9) to enable a die guiding pushing plate (6) to push a die to be replaced (2) to move to the center of a platen (1) of a press by taking a die pushing guide rail (11) as a guide, rotating a clamping wheel (5) to a horizontal position after the die guiding plate (6) is in place, retracting the die guiding plate (6), loosening the connection between a positioning lock sleeve (4) and a positioning lock pin, and retracting a die replacing device (22);
s14: the electronic control system (10) receives the digital signal fed back by the encoder (9) in real time in the mould pushing process, if deviation occurs between the digital signal and the preset position, a fine adjustment instruction is given after the operation of the electronic control system (10), the synchronous movement of the mould guide pushing plate (6) is ensured, and the mould (2) to be replaced is pushed onto the platen (1) of the press in a correct posture.
CN201810075433.1A 2018-01-26 2018-01-26 Numerical control quick die changing method and numerical control quick die changing device Active CN108246893B (en)

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CN110253552A (en) * 2019-07-15 2019-09-20 昆山瑞航自动化设备科技有限公司 Three axis multipoint positioning methods of one kind and mechanism
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CN113680904B (en) * 2021-08-30 2023-03-17 江苏智石科技有限公司 Rapid die changing mechanism and die changing method
CN114054602A (en) * 2021-11-29 2022-02-18 江苏智石科技有限公司 Die changing trolley of multiple punching machines and system thereof

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