Quick replacement mechanism for hydraulic punching machine die

Abstract

The utility model relates to the technical field of hydraulic punching machines, and discloses a quick replacement mechanism for a hydraulic punching machine die, which comprises a punching frame, a first mounting seat is mounted in the punching frame, two second mounting seats are fixedly connected to the bottom end of the first mounting seat, and a punching die is slidably connected to the interiors of the two second mounting seats. A clamping groove is formed in the stamping die, an electric push rod is installed in the first installation base, a driving block is fixedly connected to the bottom end of the electric push rod, two clamping strips are rotationally connected to the outer side of the driving block, steering grooves are formed in the two clamping strips, and the clamping strips are connected with the clamping groove in a clamped mode. According to the stamping die, the clamping strip is clamped with or separated from the clamping groove under the matching of the steering groove and the steering column, so that the stamping die is prevented from being replaced by a special tool, the replacement is simpler and more convenient, the time required by the replacement is shortened, and the replacement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic punch press technical field especially hydraulic punch press mould's quick replacement mechanism. BACKGROUND

[0002] The hydraulic punch press mould replacement mechanism is a mechanical device for quickly and safely replacing the mould of the punch press. Its main function is to reduce the time of mould replacement, improve production efficiency, and ensure the accuracy of mould installation. This mechanism helps to reduce production downtime and improve the flexibility of the overall production line through automation or simplified manual operation.

[0003] In the prior art, some hydraulic punch press mould replacement mechanisms use bolts or nuts to fix the hydraulic punch press mould. When the hydraulic punch press mould needs to be replaced, a special tool such as a wrench is required, which undoubtedly makes the replacement process more complicated, increases the replacement time, and reduces the replacement efficiency. Therefore, the hydraulic punch press mould quick replacement mechanism is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] To make up for the above shortcomings, the utility model provides a hydraulic punch press mould quick replacement mechanism to improve the problem that some hydraulic punch press mould replacement mechanisms in the prior art use bolts or nuts for fixation, which requires a special tool for replacing the hydraulic punch press mould, making the replacement process more complicated, increasing the replacement time, and reducing the replacement efficiency.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The hydraulic punch press mould quick replacement mechanism includes a stamping frame, an installation seat one is installed inside the stamping frame, two installation seat twos are fixedly connected at the bottom end of the installation seat one, a stamping mould is slidingly connected inside the two installation seat twos, a clamping groove is formed inside the stamping mould, an electric push rod is installed inside the installation seat one, a driving block is fixedly connected at the bottom end of the electric push rod, two clamping strips are rotatably connected outside the driving block, a turning groove is formed inside each of the two clamping strips, the clamping strips are clamped with the clamping groove, a turning column is slidingly connected inside each of the two turning grooves, a sliding groove is formed inside the stamping frame, and an ejection assembly for ejecting a stamped part is slidingly connected inside the sliding groove.

[0007] As a further description of the above technical scheme:

[0008] The ejection assembly comprises an ejector and a driving protrusion, the ejector is slidably connected to the inside of the stamping frame, the driving protrusion is fixedly connected to the left side of the ejector, the inside of the stamping frame is slidably connected with a driving plate, the inside of the driving plate is provided with a driving groove, the top end of the driving plate is fixedly connected with a driving sheet, and the front side of the driving sheet is fixedly connected with a spring.

[0009] As a further description of the above technical solution:

[0010] The right side of the driving plate is in contact with the left side of the ejector, and the outer side of the driving protrusion is slidably connected to the inside of the driving groove.

[0011] As a further description of the above technical solution:

[0012] The outer side of the driving sheet is slidably connected to the inside of the stamping frame, and the spring is arranged in the inside of the stamping frame.

[0013] As a further description of the above technical solution:

[0014] The outer side of the driving block is slidably connected to the inside of the first mounting seat, and the top end of the stamping die is in contact with the bottom end of the first mounting seat.

[0015] As a further description of the above technical solution:

[0016] Two steering columns are arranged in the inside of the first mounting seat, and the outer sides of two clamping strips are slidably connected to the inside of the first mounting seat.

[0017] As a further description of the above technical solution:

[0018] The inside of the stamping frame is fixedly connected with two limiting strips, and the outer sides of the two limiting strips are slidably connected to the inside of the first mounting seat.

[0019] As a further description of the above technical solution:

[0020] The rear end of the first mounting seat is fixedly connected with a pressing strip, and the bottom end of the stamping frame is fixedly connected with a base.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、the utility model discloses, through clamping strip is separated with the clamping groove under the cooperation of steering groove and steering column, can avoid using special tool to change stamping die, make and change more simple and convenient, shorten the time required for changing, improve the replacement efficiency.

[0023] 2. The utility model discloses, through let ejector drive under the drive of the lug and drive groove, to the stamping piece that punches well automatic ejection is carried out, avoids manual to take out the stamping piece, reduces the labor quantity and labor intensity of worker, improves the efficiency of the stamping. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three -dimensional schematic view of quick replacement mechanism for hydraulic punch press die that the utility model proposes;

[0025] Figure 2 It is the structure schematic view of stamping frame of quick replacement mechanism for hydraulic punch press die that the utility model proposes;

[0026] Figure 3 It is the structure section view of mounting seat one of quick replacement mechanism for hydraulic punch press die that the utility model proposes;

[0027] Figure 4 It is Figure 3 The enlarged view of A in the utility model;

[0028] Figure 5 It is the structure schematic view of base of quick replacement mechanism for hydraulic punch press die that the utility model proposes;

[0029] Figure 6 It is Figure 5 The enlarged view of B in the utility model.

[0030] Legend:

[0031] 1, stamping frame;2, mounting seat one;3, mounting seat two;4, stamping die;5, limit strip;6, clamping groove;7, electric push rod;8, drive block;9, clamping strip;10, turning groove;11, turning column;12, sliding groove;13, ejector;14, drive lug;15, drive plate;16, drive groove;17, drive piece;18, spring;19, down pressure strip;20, base. DETAILED DESCRIPTION

[0032] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] Refer to Figures 1 to 3The utility model provides a kind of quick replacement mechanism for hydraulic punch press mould, including stamping frame 1, the inside installation of stamping frame 1 is installed seat one 2, the design of installed seat one 2 is to facilitate installation other structures, the bottom end of installed seat one 2 is fixedly connected with two installed seat two 3.

[0034] As Figure 3 And Figure 4 Shown, the design of installed seat two 3 is to facilitate support stamping die 4, the inside sliding connection of two installed seat two 3 has stamping die 4, the inside of stamping die 4 is equipped with the slot 6 of card, the design of card slot 6 is to with card strip 9 card and, to the fixed stamping die 4, the inside installation of installed seat one 2 is electric push rod 7, the design of electric push rod 7 is to facilitate drive driving block 8.

[0035] The bottom end of electric push rod 7 is fixedly connected with driving block 8, the outside rotationally connected of driving block 8 has two card strips 9, the design of card strip 9 is to with card slot 6 cooperation, to the fixed stamping die 4, the inside of two card strips 9 is equipped with steering groove 10, the design of steering groove 10 is to with steering column 11 cooperation, facilitate the rotation of card strip 9.

[0036] Card strip 9 and card slot 6 are connected, the inside sliding connection of two steering grooves 10 has steering column 11, the inside of sliding slot 12 of stamping frame 1 is slidingly connected with the ejection assembly for ejecting stamping part, the outside sliding connection of driving block 8 in the inside of installed seat one 2, the design of driving block 8 is to under the impetus of electric push rod 7, to drive card strip 9.

[0037] As Figure 1 And Figure 4 Shown, the top end of stamping die 4 is in contact with the bottom end of installed seat one 2, two steering columns 11 are installed in the inside of installed seat one 2, the design of steering column 11 is to with steering groove 10 cooperation, facilitate the rotation of card strip 9, the outside sliding connection of two card strips 9 in the inside of installed seat one 2, the design of card strip 9 is to with card slot 6 cooperation, to the fixed stamping die 4.

[0038] As Figure 1 And Figure 2 Shown, the inside fixedly connected of stamping frame 1 has two limit strips 5, the outside sliding connection of two limit strips 5 in the inside of installed seat one 2, the design of limit strip 5 is to limit installed seat one 2, the rear end of installed seat one 2 is fixedly connected with down pressure strip 19, the design of down pressure strip 19 is to facilitate pressure driving plate 15, the bottom end of stamping frame 1 is fixedly connected with base 20, the design of base 20 is to support stamping frame 1.

[0039] As Figure 5 And Figure 6As shown, the ejection assembly includes an ejector 13 and a driving protrusion 14, the outer side of the ejector 13 is slidingly connected to the inside of the stamping frame 1, the ejector 13 is designed to be driven by the driving protrusion 14 to eject the stamped stamping part, the right side of the driving protrusion 14 is fixedly connected to the left side of the ejector 13, and the driving protrusion 14 is designed to cooperate with the driving plate 15 to facilitate the driving plate 15 to drive it, thereby driving the ejector 13.

[0040] The inside of the stamping frame 1 is slidingly connected with the driving plate 15, the driving plate 15 is designed to drive the driving protrusion 14 through the driving groove 16 when being pressed, the inside of the driving plate 15 is provided with the driving groove 16, and the driving groove 16 is designed to facilitate the driving of the driving protrusion 14, and the top end of the driving plate 15 is fixedly connected with the driving piece 17.

[0041] The driving piece 17 is designed to facilitate the spring 18 to push it, thereby driving the driving plate 15, the front side of the driving piece 17 is fixedly connected with the spring 18, the spring 18 is designed to push the driving piece 17, thereby pushing the driving plate 15, the right side of the driving plate 15 is in contact with the left side of the ejector 13, and the driving plate 15 is designed to drive the driving protrusion 14 through the driving groove 16 when being pressed, and the outer side of the driving protrusion 14 is slidingly connected to the inside of the driving groove 16.

[0042] The driving protrusion 14 is designed to cooperate with the driving plate 15 to facilitate the driving plate 15 to drive it, thereby driving the ejector 13, the outer side of the driving piece 17 is slidingly connected to the inside of the stamping frame 1, the driving piece 17 is designed to facilitate the spring 18 to push it, thereby driving the driving plate 15, and the spring 18 is arranged in the inside of the stamping frame 1, and the spring 18 is designed to push the driving piece 17, thereby pushing the driving plate 15.

[0043] Working principle: when the hydraulic press die needs to be replaced, the electric push rod 7 is started to drive the driving block 8 to drive the two clamping strips 9 to rotate through the cooperation of the turning groove 10 and the turning column 11, so that the two clamping strips 9 are not clamped with the clamping groove 6 and are separated from the inside of the stamping die 4, and all enter the inside of the mounting seat one 2, at this time, the stamping die 4 can be taken out from the mounting seat one 2, and the new stamping die 4 is put into the inside of the mounting seat one 2, at this time, the electric push rod 7 is driven again to drive the driving block 8 to descend, and the driving block 8 will cooperate with the turning groove 10 and the turning column 11 again when descending to drive the clamping strip 9 to be clamped with the clamping groove 6 of the new stamping die 4 again, so that the clamping strip 9 is clamped and separated from the clamping groove 6 under the cooperation of the turning groove 10 and the turning column 11, the use of special tools for replacing the stamping die 4 is avoided, the replacement is more convenient, the time required for replacement is shortened, and the replacement efficiency is improved.

[0044] When the hydraulic punch is in the stamping operation, the mounting seat 2 drives the stamping die 4 to descend, and the mounting seat 2 extrudes the driving plate 15 through the pressing strip 19, so that the driving plate 15 drives the ejector 13 to descend through the driving groove 16 and the driving block 14, thereby avoiding the interference of the ejector 13 with the stamping operation. When the stamping is completed, the mounting seat 2 drives the stamping die 4 to ascend, and the pressing strip 19 is also driven, so as not to extrude the driving plate 15. The spring 18 pushes the driving piece 17, thereby pushing the driving plate 15. The driving plate 15 is driven to ascend through the driving groove 16 and the driving block 14, thereby driving the ejector 13 to ascend, and the stamping part is pushed out. The stamping part is automatically ejected through the driving of the driving block 14 and the driving groove 16, thereby avoiding manual taking out of the stamping part, reducing the labor amount and labor intensity of workers, and improving the stamping efficiency.

[0045] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. Quick change mechanism for hydraulic press dies, comprising a press frame (1), characterized in that: The inside of the stamping frame (1) is provided with a mounting seat one (2), the bottom end of the mounting seat one (2) is fixedly connected with two mounting seat two (3), the inside of the two mounting seat two (3) is slidably connected with a stamping die (4), the inside of the stamping die (4) is provided with a clamping groove (6), the inside of the mounting seat one (2) is provided with an electric push rod (7), the bottom end of the electric push rod (7) is fixedly connected with a driving block (8), the outer side of the driving block (8) is rotatably connected with two clamping strips (9), the inside of the two clamping strips (9) is provided with a steering groove (10), the clamping strip (9) and the clamping groove (6) are clamped, the inside of the two steering grooves (10) is slidably connected with a steering column (11), the inside of the stamping frame (1) is provided with a sliding groove (12), the inside of the sliding groove (12) is slidably connected with an ejection assembly for ejecting stamping parts.

2. The quick change mechanism for a hydraulic press die according to claim 1, characterized by: The ejection assembly comprises an ejector (13) and a driving protrusion (14), the outer side of the ejector (13) is slidably connected in the inside of the stamping frame (1), the right side of the driving protrusion (14) is fixedly connected to the left side of the ejector (13), the inside of the stamping frame (1) is slidably connected with a driving plate (15), the inside of the driving plate (15) is provided with a driving groove (16), the top end of the driving plate (15) is fixedly connected with a driving piece (17), the front side of the driving piece (17) is fixedly connected with a spring (18).

3. The quick-change mechanism for a hydraulic press die according to claim 2, characterized by: The right side of the driving plate (15) is in contact with the left side of the ejector (13), the outer side of the driving protrusion (14) is slidably connected in the inside of the driving groove (16).

4. The quick-change mechanism for a hydraulic press die according to claim 2, characterized by: The outer side of the driving piece (17) is slidably connected in the inside of the stamping frame (1), the spring (18) is arranged in the inside of the stamping frame (1).

5. The quick-change mechanism for a hydraulic press die according to claim 1, characterized by: The outer side of the driving block (8) is slidably connected in the inside of the mounting seat one (2), the top end of the stamping die (4) is in contact with the bottom end of the mounting seat one (2).

6. The quick-change mechanism for a hydraulic press die according to claim 1, characterized by: The two steering columns (11) are arranged in the inside of the mounting seat one (2), the outer side of the two clamping strips (9) is slidably connected in the inside of the mounting seat one (2).

7. The quick-change mechanism for a hydraulic press die according to claim 1, characterized by: The inside of the stamping frame (1) is fixedly connected with two limiting strips (5), the outer side of the two limiting strips (5) is slidably connected in the inside of the mounting seat one (2).

8. The quick-change mechanism for a hydraulic press die according to claim 1, characterized by: The rear end of the mounting seat one (2) is fixedly connected with a pressing strip (19), the bottom end of the stamping frame (1) is fixedly connected with a base (20).

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