Hydraulic cylinder and servo electric cylinder mixed multi-shaft CNC press

Abstract

The utility model discloses a hydraulic cylinder and servo electric cylinder mixed multi-shaft CNC press which structurally comprises a rack, an upper template assembly and a lower template assembly are sequentially arranged on the rack from top to bottom, the hydraulic cylinder is arranged at the top of the rack, a piston rod of the hydraulic cylinder is provided with a movable cross beam, the movable cross beam is connected with the upper template assembly, and the lower template assembly is connected with the servo electric cylinder. An upper servo electric cylinder for pushing the upper die plate assembly to move is arranged on the movable cross beam, a workbench is arranged on the lower portion of the machine frame, the lower die plate assembly is installed on the upper plane of the workbench, and a lower servo electric cylinder for pushing the lower die plate assembly to move is arranged on the workbench. The characteristics of complex control, low efficiency and high fault rate of a multi-shaft CNC (computer numerical control) controlled hydraulic press are successfully avoided, and the defect of small tonnage of a pure electric servo press is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of production of hydraulic presses, and more specifically, to a multi-axis CNC press machine in which hydraulic cylinders and servo electric cylinders are mixed. Background Art

[0002] At present, the power mechanism of presses on the market generally uses hydraulic cylinders as the power mechanism. This power mechanism has a complex structure, and the equipment has the characteristics of high noise and high failure rate during operation. In view of this, some companies choose servo electric cylinders as the power mechanism. Although this power mechanism has a simplified structure, the tonnage pressure is generally low, which is difficult to meet the needs of some product molding. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a multi-axis CNC press machine in which a hydraulic cylinder and a servo electric cylinder are mixed.

[0004] To achieve the above-mentioned purpose, the utility model provides a multi-axis CNC press machine that uses a hydraulic cylinder and a servo electric cylinder. Its structure includes a frame, and the frame is provided with an upper template assembly and a lower template assembly from top to bottom in sequence. The innovation point is that a hydraulic cylinder is provided on the top of the frame, and the piston rod of the hydraulic cylinder is provided with a movable crossbeam, which is connected to the upper template assembly, and an upper servo electric cylinder that drives the upper template assembly to move is provided on the movable crossbeam. A workbench is provided at the lower part of the frame, and the lower template assembly is installed on the upper plane of the workbench, and a lower servo electric cylinder that drives the lower template assembly to move is provided on the workbench.

[0005] Furthermore, the number of the upper servo electric cylinder is one, the upper template assembly includes an upper punch plate, and the upper servo electric cylinder pushes the upper punch plate to move up and down.

[0006] Furthermore, the number of the upper servo electric cylinders is 2, and the upper template assembly includes an upper punch plate and an upper second punch plate arranged in sequence from bottom to top, and the two upper servo electric cylinders push the upper punch plate and the upper second punch plate to move up and down respectively.

[0007] Furthermore, the number of the above-mentioned upper servo electric cylinders is 3, and the upper template assembly includes an upper punch plate, an upper second punch plate, and an upper third punch plate arranged in sequence from bottom to top. The three upper servo electric cylinders push the upper punch plate, the upper second punch plate, and the upper third punch plate to move up and down respectively.

[0008] Furthermore, the number of the above-mentioned lower servo electric cylinder is 1, and the lower template assembly includes a fixed punch plate, and the lower servo electric cylinder pushes the fixed punch plate to move up and down.

[0009] Furthermore, the number of the above-mentioned lower servo electric cylinders is 2, and the lower template assembly includes a fixed punch plate and a next punch plate arranged in sequence from bottom to top, and the two lower servo electric cylinders push the fixed punch plate and the next punch plate to move up and down respectively.

[0010] Furthermore, the number of the above-mentioned lower servo electric cylinders is 3, and the lower template assembly includes a fixed punch plate, a lower second punch plate, and a lower punch plate arranged from bottom to top, and the three lower servo electric cylinders push the fixed punch plate, the lower second punch plate, and the lower punch plate to move up and down respectively.

[0011] Furthermore, the number of the above-mentioned lower servo electric cylinders is 4, and the lower punch plate template includes a fixed punch plate, a lower three punch plate, a lower two punch plate, and a lower punch plate arranged from bottom to top, and the four lower servo electric cylinders push the fixed punch plate, the lower three punch plate, the lower two punch plate, and the lower punch plate to move up and down respectively.

[0012] The technical effects and advantages of the utility model are as follows: the main cylinder of the press of the utility model is driven by a hydraulic cylinder, which can meet the pressure requirements of product molding. When the product is demolded, the upper servo electric cylinder pushes the upper template assembly up and down, and the lower servo electric cylinder pushes the lower template assembly up and down to meet the pressure requirements of product demolding. By organically combining the hydraulic drive and the electric servo drive, the characteristics of complex control, low efficiency and high failure rate of the multi-axis CNC-controlled hydraulic press are successfully avoided, and the defect of small tonnage of the pure electric servo press is effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a side structural diagram of the utility model. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] like Figure 1 It is a specific implementation mode of the utility model, and its structure includes a frame 1, and the frame 1 is provided with an upper template assembly 2 and a lower template assembly 3 from top to bottom in sequence. A hydraulic cylinder 11 is provided on the top of the frame 1, and the piston rod of the hydraulic cylinder 11 is provided with a movable crossbeam 12. The movable crossbeam 12 is connected to the upper template assembly 2, and an upper servo electric cylinder 13 for pushing the upper template assembly 2 to move is provided on the movable crossbeam 12. A workbench 14 is provided at the lower part of the frame 1, and the lower template assembly 3 is installed on the upper plane of the workbench 14. A lower servo electric cylinder 15 for pushing the lower template assembly 3 to move is provided on the workbench 14.

[0016] In the utility model, the main cylinder of the press is driven by a hydraulic cylinder 11, which can meet the pressure requirements of product molding. When the product is demolded, the upper servo electric cylinder 13 pushes the upper template assembly 2 up and down, and the lower servo electric cylinder 15 pushes the lower template assembly 3 up and down to meet the pressure requirements of product demolding. By organically combining hydraulic drive and electric servo drive, the characteristics of complex control, low efficiency and high failure rate of multi-axis CNC controlled hydraulic presses are successfully avoided, and the defect of small tonnage of pure electric servo presses is effectively solved.

[0017] In the present invention, according to the structure of the upper template assembly 2, the upper servo electric cylinder 13 and the upper template assembly 2 have the following structural forms:

[0018] In the present invention, as a preferred solution, the number of the upper servo electric cylinder 13 is one, the upper template assembly 2 includes an upper punch plate 21, and the upper servo electric cylinder 13 pushes the upper punch plate 21 to move up and down.

[0019] In the utility model, as a preferred solution, the number of the above-mentioned upper servo electric cylinders 13 is 2, and the upper template assembly 2 includes an upper punch plate 21 and an upper second punch plate 22 arranged in sequence from bottom to top. The two upper servo electric cylinders 13 push the upper punch plate 21 and the upper second punch plate 22 to move up and down respectively.

[0020] In the utility model, as a preferred solution, the number of the above-mentioned upper servo electric cylinders 13 is 3, and the upper template assembly 2 includes an upper punch plate 21, an upper second punch plate 22, and an upper third punch plate 23 arranged from bottom to top, and the three upper servo electric cylinders 13 push the upper punch plate 21, the upper second punch plate 22, and the upper third punch plate 23 to move up and down respectively.

[0021] In summary, each upper servo electric cylinder 13 drives the upper first punch plate 21 or the upper second punch plate 22 or the upper third punch plate 23 individually and correspondingly, thereby meeting the need for the upper first punch plate 21 or the upper second punch plate 22 or the upper third punch plate 23 to move individually.

[0022] In the present invention, according to the structure of the lower template assembly 3, the lower servo electric cylinder 15 and the lower template assembly 3 have the following structural forms:

[0023] In the present invention, as a preferred solution, the number of the lower servo electric cylinder 15 is one, the lower template assembly 3 includes a fixed punch plate 31, and the lower servo electric cylinder 15 pushes the fixed punch plate 31 to move up and down.

[0024] In the present invention, as a preferred solution, the number of the above-mentioned lower servo electric cylinders 15 is 2, and the lower template assembly 3 includes a fixed punch plate 31 and a next punch plate 32 arranged from bottom to top, and the two lower servo electric cylinders 15 push the fixed punch plate 31 and the next punch plate 32 to move up and down respectively.

[0025] In the utility model, as a preferred solution, the number of the above-mentioned lower servo electric cylinders 15 is 3, and the lower template assembly 3 includes a fixed punch plate 31, a lower second punch plate 33, and a lower punch plate 32 arranged from bottom to top, and the three lower servo electric cylinders 15 push the fixed punch plate 31, the lower second punch plate 33, and the lower punch plate 32 to move up and down respectively.

[0026] In the utility model, as a preferred solution, the number of the above-mentioned lower servo electric cylinders 15 is 4, and the lower punch plate template includes a fixed punch plate 31, a lower three punch plate 34, a lower two punch plate 33, and a lower punch plate 32 arranged from bottom to top, and the four lower servo electric cylinders 15 push the fixed punch plate 31, the lower three punch plate 34, the lower two punch plate 33, and the lower punch plate 32 to move up and down respectively.

[0027] In summary, each lower servo electric cylinder 15 drives the fixed punch plate 31 or the lower three punch plates 34 or the lower two punch plates 33 or the next punch plate 32 individually, thereby meeting the needs of the fixed punch plate 31 or the lower three punch plates 34 or the lower two punch plates 33 or the next punch plate 32 to move individually.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A multi-axis CNC press machine using a hydraulic cylinder and a servo electric cylinder, the structure of which comprises a frame (1), wherein the frame (1) is provided with an upper template assembly (2) and a lower template assembly (3) in order from top to bottom, and wherein: A hydraulic cylinder (11) is provided on the top of the frame (1); a piston rod of the hydraulic cylinder (11) is provided with a movable crossbeam (12); the movable crossbeam (12) is connected to the upper template assembly (2); an upper servo electric cylinder (13) is provided on the movable crossbeam (12) for pushing the upper template assembly (2) to move; a workbench (14) is provided at the bottom of the frame (1); the lower template assembly (3) is mounted on an upper plane of the workbench (14); and a lower servo electric cylinder (15) is provided on the workbench (14) for pushing the lower template assembly (3) to move.

2. A multi-axis CNC press machine using a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the upper servo electric cylinder (13) is one, the upper template assembly (2) comprises an upper punch plate (21), and the upper servo electric cylinder (13) pushes the upper punch plate (21) to move up and down.

3. The multi-axis CNC press machine using a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the upper servo electric cylinders (13) is two, and the upper template assembly (2) comprises an upper punch plate (21) and an upper second punch plate (22) which are arranged in sequence from bottom to top, and the two upper servo electric cylinders (13) respectively push the upper punch plate (21) and the upper second punch plate (22) to move up and down.

4. The multi-axis CNC press machine with a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the upper servo electric cylinders (13) is three, and the upper template assembly (2) comprises an upper punch plate (21), an upper second punch plate (22), and an upper third punch plate (23) which are arranged in sequence from bottom to top. The three upper servo electric cylinders (13) respectively push the upper punch plate (21), the upper second punch plate (22), and the upper third punch plate (23) to move up and down.

5. The multi-axis CNC press machine with a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the lower servo electric cylinder (15) is one, the lower template assembly (3) comprises a fixed punch plate (31), and the lower servo electric cylinder (15) pushes the fixed punch plate (31) to move up and down.

6. The multi-axis CNC press machine with a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the lower servo electric cylinders (15) is two, and the lower template assembly (3) comprises a fixed punch plate (31) and a lower punch plate (32) which are arranged in sequence from bottom to top. The two lower servo electric cylinders (15) respectively push the fixed punch plate (31) and the lower punch plate (32) to move up and down.

7. The multi-axis CNC press machine using a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the lower servo electric cylinders (15) is three, and the lower template assembly (3) comprises a fixed punch plate (31), a lower second punch plate (33), and a lower punch plate (32) which are arranged in sequence from bottom to top. The three lower servo electric cylinders (15) respectively push the fixed punch plate (31), the lower second punch plate (33), and the lower punch plate (32) to move up and down.

8. The multi-axis CNC press machine using a hydraulic cylinder and a servo electric cylinder as claimed in claim 1, characterized in that: The number of the lower servo electric cylinders (15) is four, and the lower template assembly (3) comprises a fixed punch plate (31), a lower three-punch plate (34), a lower two-punch plate (33), and a lower punch plate (32) which are arranged in sequence from bottom to top. The four lower servo electric cylinders (15) respectively push the fixed punch plate (31), the lower three-punch plate (34), the lower two-punch plate (33), and the lower punch plate (32) to move up and down.

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