Quick die changing mechanism for hydraulic die

Abstract

The utility model belongs to the field of hydraulic dies, and particularly relates to a quick die changing mechanism for a hydraulic die, which solves the problem that in the prior art, the die can be quickly mounted only when a worker accurately controls the mounting position, and comprises a main plate, and the quick die changing mechanism is arranged on the upper portion of the main plate. The first hydraulic cylinder is fixedly connected with the bottom face of the main plate, the transmission frame is hinged to the outer surface of the transmission plate in an annular array mode, the first hydraulic cylinder is arranged, and the output end of the first hydraulic cylinder pushes the transmission plate to ascend and descend, so that the transmission plate drives the transmission frame to move in the ascending and descending process; and then the transmission frame drives the extrusion rod to transversely move under the limiting effect of the fixing plate, so that the mold can be clamped and fixed through the extrusion plate, mounting and dismounting can be carried out according to molds of different sizes, the practicability of the whole device is greatly improved, and the convenience of mounting and dismounting the mold by workers is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic moulds, in particular to a quick mould changing mechanism for hydraulic moulds. Background Technique

[0002] A mould is a tool that makes a blank into a workpiece with a specific shape and size under the action of external force, and is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, and ceramics.

[0003] Hydraulic forming refers to a method of stamping a sheet metal with the pressure of a liquid instead of a rigid punch or die. In the hydraulic process, different moulds usually need to be installed, positioned, and fixed, and then the workpiece is hydraulically formed. However, when processing different workpieces, the moulds need to be frequently replaced. Usually, the moulds are installed in the processing area with bolts, and the installation and disassembly are relatively cumbersome, time-consuming, and laborious.

[0004] In the prior art, the authorized announcement number is: CN208825463U, and the name is a quick mould changing mechanism used on a hydraulic mould. The device proposed in this patent document realizes that the plug pin can slide left and right driven by a cylinder through the connection of the cylinder, the push plate, and the plug pin, so that the plug pin locks the mould through the mounting column. Driven by the cylinder to lock the mould, the driving performance is strong, stable, and reliable. However, during the installation and disassembly of the mould, the mould needs to be placed at the installation position and aligned with the locking component to facilitate the installation and disassembly of the mould. Although it can reduce the workload of the staff in installing the mould, it requires the staff to accurately control the installation position, and the practicability needs to be improved. Content of the Utility Model

[0005] The technical problem solved by the utility model is the problem that in the prior art, the staff needs to accurately control the installation position to quickly install the mould, and a quick mould changing mechanism for hydraulic moulds is provided.

[0006] To solve the above technical problem, a quick mould changing mechanism for hydraulic moulds provided by the utility model includes a main board. A quick mould changing mechanism is arranged on the upper part of the main board. The quick mould changing mechanism includes a first hydraulic cylinder fixedly connected to the bottom surface of the main board, a transmission plate, and a ring array of transmission frames hinged to the outer surface of the transmission plate. The output end of the first hydraulic cylinder slides through the bottom surface of the main board and is fixedly connected to the bottom surface of the transmission plate. The upper surface of the main board is fixedly connected with a ring array of fixing plates, and an extrusion rod is slidably connected to a reserved hole in the upper part of the fixing plate. A fixing ring is fixedly connected to the outer surface of the extrusion rod, and the outer surface of the fixing ring is hinged to the end of the transmission frame far from the transmission plate through a pin shaft. Each end of the extrusion rod far from the fixing plate is fixedly connected with an extrusion plate.

[0007] Preferably, two slide bars for limiting the extrusion rod are fixedly connected to the outer surface of each extrusion rod, and the outer surface of the slide bar is slidably connected to the reserved hole in the upper part of the fixed plate. By providing the slide bars, it is better to facilitate the limiting movement of the extrusion rod in the fixed plate, thereby avoiding the situation of shaking and deviation when the extrusion rod moves horizontally at the fixed plate.

[0008] Preferably, a retaining ring for limiting and blocking the extrusion rod is fixedly connected to one end of each extrusion rod away from the fixed ring, and the retaining ring is located outside the fixed plate. By providing the retaining ring, it is better to facilitate the limiting and blocking of the fixed plate, greatly improving the practicability and stability of the overall device.

[0009] Preferably, a placement rack is fixedly connected to the upper surface of the main board, and a protective disc for protecting the transmission board is fixedly connected to the bottom surface of the placement rack. By providing the placement rack, it is better to facilitate the placement of the mold, thereby clamping and fixing the mold and realizing the rapid installation and disassembly of the mold.

[0010] Preferably, four connecting columns are fixedly connected to the upper surface of the main board, and a fixed plate is fixedly connected to the upper ends of the connecting columns. A second hydraulic cylinder is fixedly connected to the bottom surface of the fixed plate. By providing the connecting columns and the fixed plate, it is better to facilitate the installation and fixation of the second hydraulic cylinder, thereby greatly improving the practicability and convenience of the overall device.

[0011] Preferably, the output end of the second hydraulic cylinder is fixedly connected to a mounting plate, and a hydraulic plate is mounted on the bottom surface of the mounting plate by bolts. By providing the mounting plate, it is convenient to install and disassemble the hydraulic plate by bolts, greatly improving the practicability and application range of the overall device.

[0012] Preferably, four support legs are fixedly connected to the bottom surface of the main board, and foot pads are fixedly connected to the lower ends of the support legs. By providing the support legs, it is better to facilitate the support and placement of the overall device, and improve the stability of the overall device, facilitating the handling of the overall device.

[0013] Preferably, a stabilizing block is fixedly connected to the outer surface of each fixed plate, and the bottom surface of the stabilizing block is fixedly connected to the upper surface of the main board. By providing the stabilizing block, it is convenient to improve the stability between the fixed plate and the main board, and improve the service life and practicability of the fixed plate.

[0014] Compared with the related art, the utility model has the following beneficial effects:

[0015] 1. The utility model is provided with a first hydraulic cylinder. The output end of the first hydraulic cylinder pushes the transmission plate to rise and fall, so that the transmission plate drives the transmission frame to move during the rising and falling process. Furthermore, the transmission frame drives the extrusion rod to move horizontally under the limiting action of the fixed plate, so that the mold can be clamped and fixed by the extrusion plate, and the mold can be installed and disassembled according to different sizes, greatly improving the practicability of the overall device and greatly improving the convenience of the staff for installing and disassembling the mold.

[0016] 2. The utility model is provided with a slide bar, which can better facilitate the limiting movement of the extrusion rod in the fixed plate. By setting a retaining ring, it can better facilitate the limiting and blocking of the fixed plate. By setting a placement rack, it can better facilitate the placement of the mold. By setting a connecting column and a fixed plate, it can better facilitate the installation and fixation of the second hydraulic cylinder. By setting an installation plate, the hydraulic plate can be easily installed and disassembled by bolts. By setting support legs, it can better facilitate the support and placement of the overall device. By setting a stabilizing block, it can facilitate the improvement of the stability between the fixed plate and the main board.

[0017] To make the above and other purposes, features and advantages of the present utility model more obvious and understandable, the following specific preferred embodiments are given, and in conjunction with the accompanying drawings, the detailed description is as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a three-dimensional structure diagram of the overall device of the present utility model;

[0020] Figure 2 It is a bottom view of the three-dimensional structure of the overall device of the present utility model;

[0021] Figure 3 It is a three-dimensional structure diagram of the quick die-changing mechanism of the present utility model;

[0022] Figure 4 For the present utility model Figure 3 Local enlarged schematic diagram of part A.

[0023] Reference numerals in the drawings:

[0024] 1. Main board; 2. Quick die change mechanism; 201. First hydraulic cylinder; 202. Transmission plate; 203. Transmission frame; 204. Fixed plate; 205. Extrusion rod; 206. Fixed ring; 207. Extrusion plate; 208. Slide bar; 209. Retaining ring; 2010. Placing rack; 2011. Protective disc; 3. Connecting column; 4. Fixed plate; 5. Second hydraulic cylinder; 6. Mounting plate; 7. Hydraulic plate; 8. Support leg; 9. Foot pad; 10. Stabilizing block. Detailed implementation manner

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1-4 , a quick die change mechanism for a hydraulic mold, including a main board 1. A quick die change mechanism 2 is provided on the upper part of the main board 1. The quick die change mechanism 2 includes a first hydraulic cylinder 201 fixedly connected to the bottom surface of the main board 1, a transmission plate 202, and an annular array of transmission frames 203 hinged to the outer surface of the transmission plate 202. The output end of the first hydraulic cylinder 201 slidably penetrates the bottom surface of the main board 1 and is fixedly connected to the bottom surface of the transmission plate 202. Annularly arrayed fixed plates 204 are fixedly connected to the upper surface of the main board 1, and an extrusion rod 205 is slidably connected to the reserved hole in the upper part of the fixed plate 204.

[0027] Refer to Figures 1 to 4 , the setting of the first hydraulic cylinder 201 can push the transmission plate 202 to move, so that the transmission plate 202 drives the transmission frame 203 and the fixed ring 206 to move during the lifting process, so that the fixed ring 206 can drive the extrusion rod 205 to perform limited sliding in the fixed plate 204, so that the mold can be clamped and fixed by a plurality of extrusion rods 205, thereby greatly improving the installation and disassembly efficiency of the mold and greatly reducing the workload of the staff.

[0028] Two slide bars 208 for limiting the extrusion rod 205 are fixedly connected to the outer surface of each extrusion rod 205, and the outer surface of the slide bar 208 is slidably connected to the reserved hole in the upper part of the fixed plate 204. By setting the slide bar 208, it is better to facilitate the limited movement of the extrusion rod 205 in the fixed plate 204, so as to avoid the situation of shaking and deviation when the extrusion rod 205 moves horizontally at the fixed plate 204, greatly improving the movement stability of the fixed plate 204, and then facilitating the effect of clamping the mold.

[0029] One end of each extrusion rod 205 away from the fixed ring 206 is fixedly connected with a retaining ring 209 for limiting and blocking the extrusion rod 205, and the retaining ring 209 is located outside the fixed plate 204. By setting the retaining ring 209, it is better to facilitate the limiting and blocking of the fixed plate 204, avoid the risk of the fixed plate 204 falling off from the fixed plate 204 during lateral movement, and greatly improve the practicability and stability of the overall device.

[0030] Four support legs 8 are fixedly connected to the bottom surface of the main board 1, and the lower ends of the support legs 8 are fixedly connected with foot pads 9. By setting the support legs 8, it is better to facilitate the support and placement of the overall device, improve the stability of the overall device, and facilitate the handling of the overall device. The setting of the foot pads 9 can greatly increase the friction with the ground, thereby further improving the stability of the overall device.

[0031] A stabilizing block 10 is fixedly connected to the outer surface of each fixed plate 204, and the bottom surface of the stabilizing block 10 is fixedly connected to the upper surface of the main board 1. By setting the stabilizing block 10, it is convenient to improve the stability between the fixed plate 204 and the main board 1, avoid the risk of the fixed plate 204 tilting when the extrusion rod 205 moves at the fixed plate 204, and improve the service life and practicability of the fixed plate 204.

[0032] A fixed ring 206 is fixedly connected to the outer surface of the extrusion rod 205, and the outer surface of the fixed ring 206 is hinged to one end of the transmission frame 203 away from the transmission plate 202 through a pin shaft. One end of each extrusion rod 205 away from the fixed plate 204 is fixedly connected with an extrusion plate 207.

[0033] Reference Figures 1 to 4 With the setting of the extrusion plate 207, the extrusion plate 207 moves driven by the extrusion rod 205, so that the extrusion plate 207 can clamp and fix the mold. A protective pad can be set on the contact surface between the extrusion plate 207 and the mold, so as to greatly improve the clamping effect on the mold and the clamping stability of the mold.

[0034] A placement rack 2010 is fixedly connected to the upper surface of the main board 1, and a protective disk 2011 for protecting the transmission plate 202 is fixedly connected to the bottom surface of the placement rack 2010. By setting the placement rack 2010, it is better to facilitate the placement of the mold, so as to clamp and fix the mold, realize the rapid installation and disassembly of the mold, and through the setting of the protective disk 2011, it is better to facilitate the limiting and blocking of the transmission plate 202, avoid the damage of the placement rack 2010 caused by the excessive movement of the transmission plate 202 and the extrusion collision with the placement rack 2010.

[0035] Four connecting columns 3 are fixedly connected to the upper surface of the main board 1, and the upper ends of the connecting columns 3 are fixedly connected to the fixing plates 4, and the bottom surface of the fixing plates 4 is fixedly connected to the second hydraulic cylinder 5. By arranging the connecting columns 3 and the fixing plates 4, the second hydraulic cylinder 5 can be better installed and fixed, and the arrangement of the second hydraulic cylinder 5 can facilitate the hydraulic forming of the workpiece in the mold, thereby greatly improving the practicality and convenience of the overall device.

[0036] The output end of the second hydraulic cylinder 5 is fixedly connected to a mounting plate 6, and a hydraulic plate 7 is mounted on the bottom surface of the mounting plate 6 by bolts. By providing the mounting plate 6, the hydraulic plate 7 can be easily installed and disassembled by bolts, and hydraulic plates 7 of different shapes can be installed and used as needed, thereby greatly improving the practicality and applicability of the overall device.

[0037] The specific implementation process of the present invention is as follows: when installing the mold, first place the mold on the placement rack 2010, and then start the first hydraulic cylinder 201. The output end of the first hydraulic cylinder 201 pushes the transmission plate 202 to move up and down, so that the transmission plate 202 drives the transmission rack 203 to move during the lifting process. The transmission rack 203 can drive the extrusion rod 205 to move horizontally under the limiting action of the fixed plate 204 through the fixing ring 206, and then the mold can be clamped and fixed by the extrusion plate 207. It can be installed and disassembled according to molds of different sizes, and the sliding The arrangement of the strip 208 and the retaining ring 209 can facilitate the limiting movement of the extrusion rod 205 during movement, improve the stability of the extrusion rod 205 during movement, avoid the risk of shaking and falling off of the extrusion rod 205, greatly improve the practicality of the overall device, and greatly improve the convenience of the staff in installing and disassembling the mold. After the mold is installed, by starting the second hydraulic cylinder 5, the output end of the second hydraulic cylinder 5 drives the hydraulic plate 7 through the mounting plate 6 to hydraulically form the workpiece, and the hydraulic plate 7 can be replaced as needed, thereby greatly improving the practicality and applicability of the overall device.

[0038] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rapid die-changing mechanism for a hydraulic mold, comprising a main board (1), characterized in that: The upper part of the main board (1) is provided with a quick die-changing mechanism (2). The quick die-changing mechanism (2) includes a first hydraulic cylinder (201) fixedly connected to the bottom surface of the main board (1), a transmission plate (202), and an annular array of transmission frames (203) hinged to the outer surface of the transmission plate (202). The output end of the first hydraulic cylinder (201) slidably penetrates the bottom surface of the main board (1) and is fixedly connected to the bottom surface of the transmission plate (202). The upper surface of the main board (1) is fixedly connected with an annular array of fixing plates (204), and a pressing rod (205) is slidably connected to a reserved hole in the upper part of the fixing plate (204). A fixing ring (206) is fixedly connected to the outer surface of the pressing rod (205), and the outer surface of the fixing ring (206) is hinged to one end of the transmission frame (203) far from the transmission plate (202) through a pin shaft. One end of each pressing rod (205) far from the fixing plate (204) is fixedly connected with a pressing plate (207).

2. The quick die change mechanism of a hydraulic die according to claim 1, wherein: Two sliding strips (208) for limiting the pressing rod (205) are fixedly connected to the outer surface of each pressing rod (205), and the outer surface of the sliding strip (208) is slidably connected to a reserved hole in the upper part of the fixing plate (204).

3. The quick die change mechanism of a hydraulic die according to claim 2, characterized in that: A retaining ring (209) for limiting and blocking the pressing rod (205) is fixedly connected to one end of each pressing rod (205) far from the fixing ring (206), and the retaining ring (209) is located outside the fixing plate (204).

4. A hydraulic die quick die change mechanism according to claim 1, characterized in that: A placing rack (2010) is fixedly connected to the upper surface of the main board (1), and a protective disc (2011) for protecting the transmission plate (202) is fixedly connected to the bottom surface of the placing rack (2010).

5. The quick die change mechanism for a hydraulic die according to claim 1, wherein: Four connecting columns (3) are fixedly connected to the upper surface of the main board (1), and a fixing plate (4) is fixedly connected to the upper ends of the connecting columns (3). A second hydraulic cylinder (5) is fixedly connected to the bottom surface of the fixing plate (4).

6. The rapid die change mechanism of a hydraulic die according to claim 5, characterized in that: The output end of the second hydraulic cylinder (5) is fixedly connected with a mounting plate (6), and a hydraulic plate (7) is mounted on the bottom surface of the mounting plate (6) through bolts.

7. A quick die-changing mechanism for a hydraulic die according to claim 1, characterized in that: Four support legs (8) are fixedly connected to the bottom surface of the main board (1), and a foot pad (9) is fixedly connected to the lower ends of the support legs (8).

8. A rapid die-changing mechanism for a hydraulic die according to claim 1, characterized in that: A stabilizing block (10) is fixedly connected to the outer surface of each fixing plate (204), and the bottom surface of the stabilizing block (10) is fixedly connected to the upper surface of the main board (1).

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