CN114472722B - Semi-automatic die changing device - Google Patents
Semi-automatic die changing device Download PDFInfo
- Publication number
- CN114472722B CN114472722B CN202210045544.4A CN202210045544A CN114472722B CN 114472722 B CN114472722 B CN 114472722B CN 202210045544 A CN202210045544 A CN 202210045544A CN 114472722 B CN114472722 B CN 114472722B
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- China
- Prior art keywords
- die
- hinge
- standard
- mounting seat
- groove
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- 238000003825 pressing Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007723 die pressing method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a semi-automatic die changing device. The novel hinge die comprises a die mounting seat, wherein the upper end of the die mounting seat is fixedly connected with a sliding block, the lower end of the die mounting seat is provided with a T-shaped groove, the upper end of the T-shaped groove is provided with a sliding brace, the sliding brace is of a T-shaped structure, and the lower end of the die mounting seat is provided with a standard die, a sheet die and a hinge die. The invention has simple structure, can realize the function of switching the long side and the short side of the mould, does not need to leave a gap between the hinge mould and the standard mould, does not have local bulge phenomenon, and ensures the forming precision.
Description
Technical Field
The invention relates to a semi-automatic die changing device, and belongs to the technical field of flanging machine tools.
Background
The flanging machine is mechanical equipment for processing the edges of products, and is a simple bending machine, so that the flanging machine can be operated manually or mechanically, and when a plate is folded on the flanging machine, the plate needs to be compressed by a compression die and folded. Traditional flanging machine adopts gravity hinge mould, and the mould needs to be screwed through manual screw simultaneously. The gravity hinge die scratches the plate in the process of pressing down the sliding block, and meanwhile, the gravity hinge die deflects the plate, so that the forming precision of the plate is affected; aiming at the situation that a customer requires to fold a long side and then a short side, the prior solution is to place a hinge die in the middle, and a gap of a few millimeters is reserved between the hinge die and a side standard die, although the working condition that the hinge die is firstly long and then short can be solved, if a plate of the customer is a thin plate, local bulge can be caused by the reserved gap in the middle.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the semi-automatic die changing device which has a simple structure, can avoid scraping a plate in the sliding block descending process, does not need to leave a gap between a hinge die and a standard die, avoids causing local bulge and ensures the edge folding quality.
The technical scheme adopted by the invention is as follows:
the mold comprises a mold mounting seat, wherein the upper end of the mold mounting seat is fixedly connected with a sliding block, the lower end of the mold mounting seat is provided with a T-shaped groove, the upper end in the T-shaped groove is provided with a sliding brace, the sliding brace is of a T-shaped structure, and the lower end of the mold mounting seat is provided with a standard mold, a sheet mold and a hinge mold;
the standard die comprises a standard die body, a standard die groove is formed in the upper end face of the standard die body, a bidirectional screw rod penetrating the standard die groove is arranged at the upper end of the standard die body, two clamping blocks positioned in the standard die groove are sleeved on the bidirectional screw rod, the lower end of the sliding brace is positioned between the two clamping blocks, and self-lubricating guide rails matched with the T-shaped grooves are respectively arranged on two sides of the upper end of the standard die groove;
the sheet die comprises a sheet die body, a sheet die groove for accommodating the sliding brace is formed in the upper end of the sheet die body, a self-lubricating guide rail matched with the T-shaped groove is arranged at the rear side of the upper end of the sheet die groove, and a connecting block for clamping a die mounting seat is arranged at the front side of the sheet die body;
the hinge die comprises a hinge die body, a hinge die groove for accommodating a sliding brace is formed in the upper end of the hinge die body, a self-lubricating guide rail matched with a T-shaped groove is arranged on the rear side of the upper end of the hinge die groove, a connecting block of a clamping die mounting seat is arranged on the front side of the hinge die body, a slot is formed in the lower end of the hinge die body, a movable lug is arranged in the slot, the upper end of the movable lug is rotationally connected with the hinge die body through a rotating shaft, a motor mounting seat is fixedly arranged on the rear side of the hinge die body, a linear stepping motor is arranged on the motor mounting seat, a screw rod is connected with the output end of the linear stepping motor, a nut is sleeved on the screw rod, a nut seat is fixedly sleeved on the screw rod, a connecting rod is arranged at the lower end of the nut seat, and the lower end of the connecting rod is rotationally connected with the side wall of the movable lug through a pin shaft.
As a further improvement of the technical scheme, a cover plate is arranged on the rear side of the hinge die body, and an encoder is connected to the end part of the rotating shaft.
As a further improvement of the technical scheme, a standard die pressing plate is fixedly arranged on the rear side of the standard die body, a rectangular spring and a supporting rod are arranged in the standard die pressing plate, and a positioning hole matched with the supporting rod is formed in the lower end of the rear side face of the die mounting seat.
As a further improvement of the technical scheme, the rear sides of the sheet die body and the hinge die body are respectively provided with a pressing plate, the pressing plates are provided with rotating handles, and the threaded ends of the rotating handles penetrate through the pressing plates to tightly prop against the die mounting seats.
As a further improvement of the technical scheme, the pressing plate is provided with a vertical waist-shaped hole, and the vertical waist-shaped hole is fixedly connected with the sheet die body and the hinge die body through bolts.
As a further improvement of the technical scheme, self-lubricating bearings positioned in the standard die body are arranged at two ends of the bidirectional screw, and hexagonal rotating holes are arranged at two ends of the bidirectional screw.
As a further improvement of the technical scheme, air cylinders are arranged at two ends of the die mounting seat, and piston rods of the air cylinders are connected with the sliding braces.
As a further improvement of the technical scheme, the lower end of the front side surface of the die mounting seat is provided with a clamping groove, and the upper end of the connecting block is provided with a pressing edge clamped in the clamping groove.
The invention has the advantages that:
1. the two clamping blocks move towards the middle through rotating the bidirectional screw rod, so that the clamping blocks clamp the sliding brace, the cylinder drives the sliding brace to move to drive the standard die to move, the supporting rod is pressed in the positioning hole of the die mounting seat through the rectangular spring inside the standard die pressing plate, the positioning surface of the standard die is attached to the positioning surface of the die mounting seat, and the machining precision is guaranteed.
2. The hinge die is provided with a linear stepping motor, so that the movable lug can rotate according to the workpiece requirement, and the end part of the rotating shaft is provided with an encoder to control the rotation precision of the movable lug; the linear stepping motor, the encoder and the motor for driving the sliding block are synchronously controlled, so that the avoiding and unfolding efficiency of the hinge die can be improved.
3. The invention can realize the function of switching the long side and the short side of the mould, a gap is not required to be reserved between the hinge mould and the standard mould, the local bulge phenomenon can not occur, the forming precision is ensured, and when the short side is formed, the redundant mould is only required to be removed through the cylinders at the left side and the right side.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of A-A in fig. 1.
Fig. 3 is a cross-sectional view of B-B of fig. 1.
Fig. 4 is a schematic structural view of the hinge module.
Fig. 5 is an exploded view of the hinge die.
In the drawings, the die mounting base 1, the sliding block 2, the T-shaped groove 3, the sliding brace 4, the standard die 5, the sheet die 6, the hinge die 7, the standard die body 8, the standard die groove 9, the bidirectional screw 10, the clamping block 11, the self-lubricating guide rail 12, the sheet die body 13, the connecting block 14, the hinge die body 15, the hinge die groove 16, the slot 17, the movable lug 18, the rotating shaft 19, the composite bushing 20, the stop screw 21, the motor mounting base 22, the linear stepping motor 23, the nut base 24, the connecting rod 25, the pin shaft 26, the cover plate 27, the encoder 28, the standard die plate 29, the pressing plate 30, the rotating handle 31, the self-lubricating bearing 32 and the air cylinder 33 are arranged.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, a semiautomatic mold changing device comprises a mold mounting seat 1, wherein a sliding block 2 is fixedly connected to the upper end of the mold mounting seat 1, a T-shaped groove 3 is formed in the lower end of the mold mounting seat 1, a sliding brace 4 is arranged at the upper end in the T-shaped groove 3, the sliding brace 4 is of a T-shaped structure, and a standard mold 5, a sheet mold 6 and a hinge mold 7 are arranged at the lower end of the mold mounting seat 1;
the standard die 5 comprises a standard die body 8, a standard die groove 9 is formed in the upper end face of the standard die body 8, a bidirectional screw rod 10 penetrating through the standard die groove 9 is arranged at the upper end of the standard die body 8, two clamping blocks 11 positioned in the standard die groove 9 are sleeved on the bidirectional screw rod 10, the lower end of the sliding brace 4 is positioned between the two clamping blocks 11, and self-lubricating guide rails 12 matched with the T-shaped grooves 3 are respectively arranged on two sides of the upper end of the standard die groove 9;
the sheet die 6 comprises a sheet die body 13, a sheet die groove for accommodating the sliding brace 4 is formed in the upper end of the sheet die body 13, a self-lubricating guide rail 12 matched with the T-shaped groove 3 is arranged at the rear side of the upper end of the sheet die groove, and a connecting block 14 for clamping the die mounting seat 1 is arranged at the front side of the sheet die body 13;
the hinge die 7 comprises a hinge die body 15, a hinge die groove 16 for accommodating a sliding brace 4 is formed in the upper end of the hinge die body 15, a self-lubricating guide rail 12 matched with a T-shaped groove 3 is arranged on the rear side of the upper end of the hinge die groove 16, a connecting block 14 for clamping a die mounting seat 1 is arranged on the front side of the hinge die body 15, a slot 17 is formed in the lower end of the hinge die body 15, a movable lug 18 is arranged in the slot 17, the upper end of the movable lug 18 is in rotary connection with the hinge die body 15 through a rotary shaft 19, a composite bushing 20 and a stop screw 21, a motor mounting seat 22 is fixedly arranged on the rear side of the hinge die body 15, a linear stepping motor 23 is arranged on the motor mounting seat 22, a screw rod is connected to the output end of the linear stepping motor 23, a nut is sleeved on the screw rod, a nut seat 24 is fixedly sleeved on the nut, a connecting rod 25 is arranged at the lower end of the nut seat 24, and the lower end of the connecting rod 25 is in rotary connection with the side wall of the movable lug 18 through a pin shaft 26. The standard die is not detachable on the die mounting seat and can only move on the die mounting seat, and the sheet die and the hinge die can be detached and the positions of the sheet die and the hinge die are adjusted.
As a further improvement of the above technical solution, a cover plate 27 is disposed at the rear side of the hinge module body 15, an encoder 28 is connected to the end of the rotating shaft 19, and the cover plate can protect the linear stepper motor, so as to avoid safety accidents during the process of disassembling the hinge module, and a through hole for accommodating the encoder is formed in the cover plate.
As a further improvement of the above technical solution, a standard molding plate 29 is fixedly arranged at the rear side of the standard molding body 8, a rectangular spring and a supporting rod are arranged in the standard molding plate 29, and a positioning hole matched with the supporting rod is arranged at the lower end of the rear side surface of the mold mounting seat. The positioning surface of the standard die is attached to the positioning surface of the die mounting seat, and machining precision is guaranteed.
As a further improvement of the above technical solution, the back sides of the sheet die body 13 and the hinge die body 15 are respectively provided with a pressing plate 30, the pressing plates 30 are provided with a rotating handle 31, and the threaded ends of the rotating handles 31 penetrate through the pressing plates 30 to tightly press the die mounting seat 1.
As a further improvement of the above technical scheme, the pressing plate 30 is provided with a vertical waist-shaped hole, the vertical waist-shaped hole is fixedly connected with the sheet die body and the hinge die body through bolts, and the pressing plate can move downwards along the waist-shaped hole by unscrewing the rotary handle, so that the sheet die or the hinge die can be separated from the die mounting seat.
As a further improvement of the above technical solution, the two ends of the bidirectional screw 10 are provided with self-lubricating bearings 32 located in the standard mold body 8, and the two ends of the bidirectional screw are provided with hexagonal rotating holes, so that the bidirectional screw can be rotated conveniently.
As a further improvement of the technical scheme, the two ends of the die mounting seat 1 are respectively provided with an air cylinder 33, a piston rod of each air cylinder 33 is connected with the sliding brace, and the left-right movement of the sliding brace is realized through the reciprocating motion of the air cylinder.
As a further improvement of the technical scheme, the clamping groove is formed in the lower end of the front side face of the die mounting seat, the pressing edge clamped in the clamping groove is arranged at the upper end of the connecting block, and the die mounting seat, the sheet die and the hinge die can be well fixed together.
The two clamping blocks move towards the middle through rotating the bidirectional screw rod, so that the clamping blocks clamp the sliding brace, the cylinder drives the sliding brace to move to drive the standard die to move, the supporting rod is pressed in the positioning hole of the die mounting seat through the rectangular spring inside the standard die pressing plate, the positioning surface of the standard die is attached to the positioning surface of the die mounting seat, and the machining precision is guaranteed.
The hinge die is provided with a linear stepping motor, so that the movable lug can rotate according to the workpiece requirement, and the end part of the rotating shaft is provided with an encoder to control the rotation precision of the movable lug; the linear stepping motor, the encoder and the motor for driving the sliding block are synchronously controlled, so that the avoiding and unfolding efficiency of the hinge die can be improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The semi-automatic die changing device is characterized by comprising a die mounting seat, wherein the upper end of the die mounting seat is fixedly connected with a sliding block, the lower end of the die mounting seat is provided with a T-shaped groove, the upper end in the T-shaped groove is provided with a sliding brace, the sliding brace is of a T-shaped structure, and the lower end of the die mounting seat is provided with a standard die, a sheet die and a hinge die;
the standard die comprises a standard die body, a standard die groove is formed in the upper end face of the standard die body, a bidirectional screw rod penetrating the standard die groove is arranged at the upper end of the standard die body, two clamping blocks positioned in the standard die groove are sleeved on the bidirectional screw rod, the lower end of the sliding brace is positioned between the two clamping blocks, and self-lubricating guide rails matched with the T-shaped grooves are respectively arranged on two sides of the upper end of the standard die groove;
the sheet die comprises a sheet die body, a sheet die groove for accommodating the sliding brace is formed in the upper end of the sheet die body, a self-lubricating guide rail matched with the T-shaped groove is arranged at the rear side of the upper end of the sheet die groove, and a connecting block for clamping a die mounting seat is arranged at the front side of the sheet die body;
the hinge die comprises a hinge die body, a hinge die groove for accommodating a sliding brace is formed in the upper end of the hinge die body, a self-lubricating guide rail matched with a T-shaped groove is arranged on the rear side of the upper end of the hinge die groove, a connecting block of a clamping die mounting seat is arranged on the front side of the hinge die body, a slot is formed in the lower end of the hinge die body, a movable lug is arranged in the slot, the upper end of the movable lug is rotationally connected with the hinge die body through a rotating shaft, a motor mounting seat is fixedly arranged on the rear side of the hinge die body, a linear stepping motor is arranged on the motor mounting seat, a screw rod is connected with the output end of the linear stepping motor, a nut is sleeved on the screw rod, a nut seat is fixedly sleeved on the screw rod, a connecting rod is arranged at the lower end of the nut seat, and the lower end of the connecting rod is rotationally connected with the side wall of the movable lug through a pin shaft.
2. The semi-automatic mold changing device according to claim 1, wherein a cover plate is arranged on the rear side of the hinge mold body, and an encoder is connected to the end portion of the rotating shaft.
3. The semi-automatic mold changing device according to claim 1, wherein a standard mold pressing plate is fixedly arranged on the rear side of the standard mold body, a rectangular spring and a supporting rod are arranged in the standard mold pressing plate, and a positioning hole matched with the supporting rod is formed in the lower end of the rear side face of the mold mounting seat.
4. The semi-automatic die changing device according to claim 1, wherein the rear sides of the sheet die body and the hinge die body are respectively provided with a pressing plate, the pressing plates are provided with rotating handles, and threaded ends of the rotating handles penetrate through the pressing plates to tightly press the die mounting seats.
5. The semi-automatic mold changing device according to claim 4, wherein the pressing plate is provided with a vertical waist-shaped hole, and the vertical waist-shaped hole is fixedly connected with the sheet mold body and the hinge mold body through bolts.
6. The semiautomatic mold changing device according to claim 1, wherein self-lubricating bearings located in the standard mold body are arranged at two ends of the bidirectional screw, and hexagonal rotating holes are arranged at two ends of the bidirectional screw.
7. The semi-automatic mold changing device according to claim 1, wherein air cylinders are arranged at two ends of the mold mounting seat, and piston rods of the air cylinders are connected with the sliding braces.
8. The semi-automatic mold changing device according to claim 1, wherein a clamping groove is formed in the lower end of the front side face of the mold mounting seat, and a pressing edge clamped in the clamping groove is arranged at the upper end of the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210045544.4A CN114472722B (en) | 2022-01-15 | 2022-01-15 | Semi-automatic die changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210045544.4A CN114472722B (en) | 2022-01-15 | 2022-01-15 | Semi-automatic die changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114472722A CN114472722A (en) | 2022-05-13 |
| CN114472722B true CN114472722B (en) | 2023-11-14 |
Family
ID=81511826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210045544.4A Active CN114472722B (en) | 2022-01-15 | 2022-01-15 | Semi-automatic die changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114472722B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05212447A (en) * | 1992-02-07 | 1993-08-24 | Murata Mach Ltd | Die changing equipment for metal plate bender |
| CN105945156A (en) * | 2016-07-20 | 2016-09-21 | 江苏亚威机床股份有限公司 | Automatic adjusting device for plate pressing die of edging machine |
| CN108480474A (en) * | 2018-06-15 | 2018-09-04 | 金凯达（佛山）智能装备有限公司 | A kind of mould changing device of square tube folding brake core model |
| CN208495486U (en) * | 2018-06-15 | 2019-02-15 | 金凯达（佛山）智能装备有限公司 | A kind of square tube automatic flanging host and its automatic edge folding |
| CN209439249U (en) * | 2019-01-17 | 2019-09-27 | 林士军 | A kind of bending machine cutting bending double-purpose |
| CN111203484A (en) * | 2020-02-27 | 2020-05-29 | 光吉(太仓)精密模具有限公司 | Novel rotary lug type hinge die |
-
2022
- 2022-01-15 CN CN202210045544.4A patent/CN114472722B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05212447A (en) * | 1992-02-07 | 1993-08-24 | Murata Mach Ltd | Die changing equipment for metal plate bender |
| CN105945156A (en) * | 2016-07-20 | 2016-09-21 | 江苏亚威机床股份有限公司 | Automatic adjusting device for plate pressing die of edging machine |
| CN108480474A (en) * | 2018-06-15 | 2018-09-04 | 金凯达（佛山）智能装备有限公司 | A kind of mould changing device of square tube folding brake core model |
| CN208495486U (en) * | 2018-06-15 | 2019-02-15 | 金凯达（佛山）智能装备有限公司 | A kind of square tube automatic flanging host and its automatic edge folding |
| CN209439249U (en) * | 2019-01-17 | 2019-09-27 | 林士军 | A kind of bending machine cutting bending double-purpose |
| CN111203484A (en) * | 2020-02-27 | 2020-05-29 | 光吉(太仓)精密模具有限公司 | Novel rotary lug type hinge die |
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| Publication number | Publication date |
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| CN114472722A (en) | 2022-05-13 |
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