Double-point closed precision press machine based on servo control

Abstract

The invention relates to the technical field of stamping equipment design, and discloses a servo-control-based double-point closed type precision press which comprises a supporting base, a first servo assembly and a second servo assembly, a stamping bin is arranged above the supporting base, a servo setting bin is arranged above the stamping bin, and the first servo assembly and the second servo assembly are arranged on the supporting base. The first servo assembly is arranged at the right end of an inner cavity of the servo setting bin, the first servo assembly and the second servo assembly are arranged in a mirror image mode, and a stamping lower die base is arranged in the stamping bin. The two servo assemblies are arranged on the top of the press machine device in a mirror image mode so that lifting control over the stamping assembly can be achieved, the lifting speed of the stamping assembly can be adjusted, and the stamping precision of the stamping assembly can be effectively improved; according to the scheme, the multiple sets of reasonably-distributed damping frames are arranged, the elastic supporting frames and the connecting damping frames are used for absorbing vibration generated by punching operation, the vibration influence of mechanical vibration on the whole press machine device is reduced, and the service life of the press machine is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of stamping equipment design, and in particular to a double-point closed precision press based on servo control. Background Art

[0002] The press is a general-purpose stamping equipment with a sophisticated structure, which has the characteristics of wide application and high production efficiency. The press can be widely used in cutting, punching, blanking, bending, riveting and forming processes. The closed double-point press generally drives the extruder to move up and down through the extension and retraction of the output shaft of the electric push rod to plastically deform and fracture the metal to process parts. The closed double-point high-speed precision press of the prior art will produce large vibrations during processing, and then a recoil vibration force will be formed between the fuselage of the press and the ground. This vibration force will be transmitted upward along the base of the fuselage, and then the pressure mechanism will be affected by the vibration and deflected, affecting the precise processing of the press; the closed double-point high-speed precision press of the prior art will have waste flying out during processing, and there is a lack of simple and effective shielding devices around the fuselage of the existing press, and then these wastes will fly and endanger workers passing by; and in the process of stamping by the press, the telescopic control accuracy of the stamping components is not high, and the stamping may not be in place or over-stamping may occur, which has a negative impact on both the stamping products and stamping components. Therefore, a double-point closed precision press based on servo control is proposed. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] To solve at least one aspect of the above problems, the present invention first provides a double-point closed precision press based on servo control, which is equipped with a complete worker protection device and uses dual sets of servo signals to realize the lifting and lowering control of the stamping assembly, thereby improving the practicability of the stamping device.

[0005] (II) Technical solution

[0006] In order to solve the technical problem, the present invention provides a double-point closed precision press based on servo control, including a supporting base, a first servo component and a second servo component, a stamping bin is provided above the supporting base, a servo setting bin is provided above the stamping bin, the first servo component is arranged at the right end of the inner cavity of the servo setting bin, the first servo component and the second servo component are arranged in a mirror image, a stamping lower die seat is provided in the stamping bin, a stamping component is provided directly above the stamping lower die seat, a first vertical adjustment frame is provided on the inner wall of the right side panel of the stamping bin, the first vertical adjustment frame is movably connected to the output device of the first servo component, a group of auxiliary support frames are respectively provided at the four corners of the stamping bin, positioning columns are provided at the bottom of the auxiliary support frames, and elastic support frames are provided inside the positioning columns.

[0007] Further, the first servo assembly includes a first servo transmission frame, a first servo motor is provided at the left end of the bottom of the first servo transmission frame, a first servo cylinder is provided at the right end of the bottom of the first servo transmission frame, a first extending shaft is provided at the output end of the bottom of the first servo cylinder, a first connecting pin is provided at the bottom of the first extending shaft, a first anti-slip frame is provided at the bottom of the first connecting pin, and a first abutment seat is provided at the bottom of the first anti-slip frame.

[0008] Furthermore, a first mounting limit frame is provided at the bottom of the first servo cylinder, and the bottom of the first servo cylinder is fixedly arranged on the bottom panel of the stamping bin through the first mounting limit frame. A first fixed seat is provided at the outer end of the top of the first servo cylinder, and a plurality of first reinforcing struts are evenly arranged between the first fixed seat and the first mounting limit frame.

[0009] Furthermore, a group of bridge-type connecting frames are respectively provided at the left and right ends of the top of the stamping assembly, and the center of the right end bridge-type connecting frame is fixedly connected to the first abutment seat below the first servo assembly.

[0010] Furthermore, a first side bracket is provided at the bottom of the first vertical adjustment frame, the first side bracket is fixedly connected to the bottom of the stamping bin, a first setting seat is provided on the top of the first side bracket, a first vertical sliding groove body is provided on the first setting seat, a sliding limit groove is provided at the right end of the first vertical sliding groove body, and a first movable frame is slidably connected in the first vertical sliding groove body.

[0011] Furthermore, a first connecting seat is provided at the left end of the bottom of the first movable frame, a first limiting seat is provided at the top of the left side of the first connecting seat, a first fixing pin is provided on the first limiting seat, and a first connecting sleeve is provided on the first fixing pin.

[0012] Furthermore, a first limiting shell is provided on the inner wall of the right side panel of the stamping bin corresponding to the first vertical sliding groove, a first balancing cylinder is provided at the center of the bottom of the first setting seat, and a group of first shock-absorbing frames are respectively provided on the front and rear sides of the first balancing cylinder.

[0013] Furthermore, a stamping mounting base is provided at the top of the inner cavity of the support base corresponding to the stamping lower die base, a group of extension connecting frames are respectively provided at the edges of the stamping mounting base, a group of connecting shock-absorbing frames are respectively provided at the four corners of the bottom of the stamping mounting base, a group of connecting rods are respectively provided at the bottom of the connecting shock-absorbing frames, a steering axle pin is provided at the bottom of the connecting rods, and a group of side positioning seats are respectively provided on the side of the steering axle pin close to the side wall of the support base.

[0014] (III) Beneficial effects

[0015] 1. The present invention provides a double-point closed precision press based on servo control, which has two sets of servo components mirror-set on the top of the press device to realize the lifting and lowering control of the stamping components, and cooperates with two sets of vertical adjustment frames to adjust the lifting and lowering speed of the stamping components, effectively improving the stamping accuracy of the stamping components and reducing the occurrence rate of stamping scraps; this solution is provided with a plurality of sets of reasonably distributed shock-absorbing frames, elastic support frames and connecting shock-absorbing frames to integrate and absorb the vibration generated by the stamping operation, reduce the vibration impact of mechanical vibration on the overall press device, and extend the service life of the press.

[0016] 2. This solution fixes the installation of two sets of vertical adjustment frames through the side walls and bottom panels of the stamping bin respectively. Both sets of vertical adjustment frames fix the connection with the extension shaft of the corresponding servo cylinder. The relative output of the servo cylinder and the balance cylinder can limit the running direction of the extension shaft and adjust the stamping speed of the extension shaft to ensure the production effect of the workpiece; the two sets of vertical adjustment frames use two sets of balance cylinders to control the extension and retraction of the two sets of moving frames in the opposite direction of the servo assembly, adjust the stamping speed of the extension shaft, and ensure the stamping accuracy of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a precision press according to an embodiment of the present invention;

[0018] Figure 2 It is a structural schematic diagram of a first servo assembly of a precision press machine according to an embodiment of the present invention;

[0019] Figure 3 It is a structural schematic diagram of a first vertical adjustment frame of a precision press machine according to an embodiment of the present invention;

[0020] Figure 4 It is a schematic diagram of the connection structure between the first servo assembly and the first vertical adjustment frame of the precision press according to an embodiment of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the A area of ​​the precision press according to an embodiment of the present invention;

[0022] Figure 6 It is a schematic diagram of the component connection structure of the stamping mounting base of the precision press machine according to an embodiment of the present invention;

[0023] Figure 7 It is a schematic structural diagram of the B area of ​​the precision press according to an embodiment of the present invention.

[0024] Description of reference numerals:

[0025] 1 is a support base, 2 is a first servo assembly, 21 is a first servo transmission frame, 22 is a first servo motor, 23 is a first fixed seat, 24 is a first servo cylinder, 25 is a first reinforcing support rod, 26 is a first installation limit frame, 27 is a first extension shaft, 28 is a first connecting bayonet, 29 is a first anti-slip frame, 210 is a first abutment seat, 3 is a second servo assembly, 4 is a stamping assembly, 5 is a first vertical adjustment frame, 51 is a first side bracket, 52 is a first setting seat, 53 is a first Shock-absorbing frame, 54 is the first balancing cylinder, 55 is the first vertical sliding groove, 56 is the first movable frame, 57 is the first connecting seat, 58 is the first limiting seat, 59 is the first fixing pin, 510 is the first connecting sleeve, 511 is the sliding limiting groove, 6 is the stamping lower die seat, 61 is the stamping mounting base, 62 is the extension connecting frame, 63 is the connecting shock-absorbing frame, 64 is the connecting rod, 65 is the steering shaft pin, 66 is the side positioning seat, 67 is the ejection pin, 7 is the auxiliary support frame, and 8 is the bridge connecting frame. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] See also Figures 1 to 7 The embodiment of the present invention provides a double-point closed precision press machine based on servo control, including a support base 1, a first servo component 2 and a second servo component 3. A stamping bin is arranged above the support base 1, a servo setting bin is arranged above the stamping bin, the first servo component 2 is arranged at the right end of the inner cavity of the servo setting bin, the first servo component 2 and the second servo component 3 are arranged in a mirror image, a stamping lower die seat 6 is arranged in the stamping bin, a stamping component 4 is arranged directly above the stamping lower die seat 6, a first vertical adjustment frame 5 is arranged on the inner wall of the right side panel of the stamping bin, the first vertical adjustment frame 5 is movably connected with the output device of the first servo component 2, a group of auxiliary support frames 7 are respectively arranged at the four corners of the stamping bin, and positioning columns are arranged at the bottom of the auxiliary support frames 7, and elastic supports are arranged inside the positioning columns The device combines the support base 1, the stamping bin and the servo setting bin into a whole, which effectively enhances the overall structural strength of the press, is convenient for reducing the occupied space of the entire press, and realizes the integrated setting of the stamping device. Cabinet doors are provided at the front ends of the support base 1 and the servo setting bin, which are convenient for inspecting and repairing the internal components of the support base 1 and the servo setting bin. A notch is provided at the front end of the stamping bin, which is convenient for the staff to load and remove the workpiece. The first servo component 2 and the second servo component 3 in the servo setting bin are mirror-imaged, and both groups of servo components penetrate the servo setting bin to establish a connection with the stamping component 4, thereby controlling the stamping component 4 to complete the docking with the stamping lower die base 6 through the servo signal to realize the stamping processing of the workpiece.

[0028] The configuration components, working principle and process of the second servo component 3 are the same as those of the first servo component 2 and will not be described in detail here.

[0029] The bottom of the auxiliary support frame 7 is embedded in the extended connecting frame 62 set in the inner cavity of the support base 1 through the positioning column, and cooperates with the elastic support frame to reduce the vibration impact on the stamping bin. By setting the auxiliary support frame 7, stable support for its inner cavity structure is achieved, reducing the negative impact of the reciprocating operation of the servo assembly and the stamping assembly 4 on the stamping bin.

[0030] A protective baffle is provided between the two groups of positioning columns at the front end of the stamping bin. The protective baffle is slightly higher than the stamping lower die base 6, which can effectively prevent the debris generated by the stamping operation from flowing to the workers through the gap at the front end of the stamping bin, thereby protecting the safety of work operations.

[0031] A second vertical adjustment frame is provided on the inner wall of the left side panel of the stamping bin, which is mirrored with the first vertical adjustment frame 5. The second vertical adjustment frame is movably connected to the output device of the second servo assembly 3, and synchronously with the first vertical adjustment frame 5 to realize output limit adjustment of the two groups of servo assemblies, so as to facilitate the adjustment of the retraction accuracy of the two groups of protruding shafts and enhance the control of the downward pressing accuracy of the stamping assembly 4.

[0032] The fixed installation components, work flow and work control parameters of the second vertical adjustment frame are set synchronously with the first vertical adjustment frame 5, so that the first servo component 2 and the second servo component 3 can achieve synchronous output to the stamping component 4. The connection relationship and work flow are not repeated here.

[0033] See also Figure 2 The first servo assembly 2 includes a first servo transmission frame 21, a first servo motor 22 is provided at the left end of the bottom of the first servo transmission frame 21, a first servo cylinder 24 is provided at the right end of the bottom of the first servo transmission frame 21, a first extension shaft 27 is provided at the bottom output end of the first servo cylinder 24, a first connecting pin 28 is provided at the bottom of the first extension shaft 27, a first anti-slip frame 29 is provided at the bottom of the first connecting pin 28, and a first abutment seat 210 is provided at the bottom of the first anti-slip frame 29. The first servo motor 22 establishes a connection with the first servo cylinder 24 through the first servo transmission frame 21, so that the first servo cylinder 24 can be adjusted according to the servo signal The telescopic displacement of the first extending shaft 27 is accurately controlled to ensure the accuracy of the downward displacement and speed control of the stamping assembly 4. The bottom of the first extending shaft 27 is connected by embedding the first connecting pin 28 into the first connecting sleeve 510, and the first anti-detachment frame 29 is fixedly set in the first connecting seat 57, so as to realize the connection and telescopic adjustment control of the first extending shaft 27 by the first connecting sleeve 510. The bottom of the first extending shaft 27 establishes a connection with the first abutment seat 210 through the first connecting pin 28 and the first anti-detachment frame 29, and the first servo cylinder 24 establishes a fixed connection with the right end bridge connecting frame 8 through the first abutment seat 210.

[0034] A first mounting limit frame 26 is provided at the bottom of the first servo cylinder 24, and the bottom of the first servo cylinder 24 is fixedly arranged on the bottom panel of the stamping bin through the first mounting limit frame 26. A first fixing seat 23 is provided at the outer end of the top of the first servo cylinder 24, and a plurality of first reinforcing struts 25 are evenly arranged between the first fixing seat 23 and the first mounting limit frame 26. The first servo cylinder 24 is stably installed at the bottom of the right end panel of the first servo transmission frame 21 through the first fixing seat 23. The first reinforcing struts 25 are provided to effectively enhance the structural strength of the first servo cylinder 24. The top panel of the servo setting bin is connected to the first servo transmission frame 21 through the mounting plate, and the first mounting limit frame 26 is fixedly installed in cooperation with the bottom panel of the stamping bin, so as to realize the fixed control of the servo setting bin on the first servo assembly 2 and ensure the working stability of the first servo assembly 2.

[0035] See also Figure 1 and Figure 7 A group of bridge connecting frames 8 are respectively provided at the left and right ends of the top of the stamping component 4. The center of the right end bridge connecting frame 8 is fixedly connected to the first abutment seat 210 under the first servo component 2. The first extension shaft 27 is fixed to the connection with the right end bridge connecting frame 8 through the first abutment seat 210 below. The second extension shaft at the lower end of the second servo component 3 is fixed to the connection with the left end bridge connecting frame 8 through the second abutment seat below. The two groups of bridge connecting frames 8 can transmit the stamping force of the two groups of servo cylinders to the top panel of the stamping component 4 more evenly, ensuring the balanced output of the downward pressure on the contact end of the stamping component 4. The two groups of servo cylinders work synchronously, which can act on the two groups of extension shafts to drive the stamping component 4 to complete a smooth and accurate stamping operation, ensuring the docking safety and stamping efficiency of the stamping component 4 and the corresponding stamping lower die base 6.

[0036] See also Figure 3 A first side bracket 51 is provided at the bottom of the first vertical adjustment frame 5, and the first side bracket 51 is fixedly connected to the bottom of the stamping bin. A first setting seat 52 is provided on the top of the first side bracket 51, and a first vertical sliding groove 55 is provided on the first setting seat 52. A sliding limit groove 511 is provided at the right end of the first vertical sliding groove 55, and a first moving frame 56 is slidably connected in the first vertical sliding groove 55. The bottom of the first vertical adjustment frame 5 is fixed by embedding two sets of legs of the first side bracket 51 into the bottom panel of the stamping bin to fix the stamping bin to the first vertical adjustment frame 5. Adjust the installation of the bottom component of the frame 5, fix the installation of the first setting seat 52 at the top of the first side bracket 51, and establish support for the first vertical sliding groove body 55 through the first setting seat 52, so as to realize the fixed setting of the first vertical sliding groove body 55 in the vertical direction, and the sliding blocks are respectively inserted at the corresponding sliding limit grooves 511 at the rear end edges of the first movable frame 56. The first movable frame 56 establishes a connection with the sliding limit grooves 511 through two groups of sliding blocks, so as to facilitate the movement and limitation of the first movable frame 56 in the first vertical sliding groove body 55.

[0037] See also Figure 4 and Figure 5 A first connecting seat 57 is provided at the left end of the bottom of the first movable frame 56, and a first limiting seat 58 is provided at the top left side of the first connecting seat 57. A first fixing pin 59 is provided on the first limiting seat 58, and a first connecting sleeve 510 is provided on the first fixing pin 59. The left end of the bottom of the first movable frame 56 is integrally formed with the first connecting seat 57, and the limiting connection of the first limiting seat 58 can be realized through the overall structural performance of the first movable frame 56 and the first connecting seat 57, so as to ensure that the first vertical adjustment frame 5 can adjust and control the first extending shaft 27 through the first connecting sleeve 510. The first limiting seat 58 and the first fixing pin 59 are both provided with through holes of the same area as the first connecting sleeve 510 corresponding to the first connecting sleeve 510, so as to facilitate the setting of the first connecting sleeve 510 by setting the first fixing pin 59 on the panel of the first limiting seat 58.

[0038] A first limiting shell is provided on the inner wall of the right side panel of the stamping bin corresponding to the first vertical sliding groove 55, a first balancing cylinder 54 is provided at the bottom center of the first setting seat 52, and a group of first shock-absorbing frames 53 are respectively provided on the front and rear sides of the first balancing cylinder 54. The right side panel of the stamping bin establishes a lateral installation of the first vertical sliding groove 55 through the first limiting shell, and cooperates with the bottom panel of the stamping bin to realize vertical support for the first side bracket 51, so as to establish a stable support for the overall assembly structure of the first vertical adjustment frame 5 by the stamping bin, and ensure the installation firmness of the first vertical adjustment frame 5. The output end of the first balancing cylinder 54 is fixedly connected to the bottom center of the first movable frame 56, and a speed detection sensor is provided at the bottom of the rear end wall panel of the stamping bin, that is, during the period when the first servo component 2 controls the first extending shaft 27 to move downward, it can be judged according to its downward pressing speed whether the first extending shaft 27 is speed-regulated by the first balancing cylinder 54.

[0039] If the speed detection sensor detects that the speed of the first extending shaft 27 is too fast, the first balancing cylinder 54 extends to limit the stamping speed of the first extending shaft 27 to avoid overshooting; if it is detected that the speed of the first extending shaft 27 is insufficient, the first balancing cylinder 54 contracts to drive the first extending shaft 27 to accelerate downward to avoid inadequate stamping; during the operation of the first servo assembly 2, the vibration generated by it to the first vertical adjustment frame 5 is eliminated by the first shock-absorbing frame 53, which can avoid the negative impact of mechanical vibration on the stamping operation.

[0040] See also Figure 6A stamping mounting base 61 is provided at the top of the inner cavity of the support base 1 corresponding to the stamping lower die seat 6, a group of extended connecting frames 62 are respectively provided at the edges of the stamping mounting base 61, a group of connecting shock absorbing frames 63 are respectively provided at the four corners of the bottom of the stamping mounting base 61, a group of connecting rods 64 are provided at the bottom of the connecting shock absorbing frames 63, a group of connecting rods 64 are provided at the bottom of the connecting rods 64, and a steering shaft pin 65 is provided at the bottom of the connecting rods 64. A group of side positioning seats 66 are respectively provided on the side of the steering shaft pin 65 close to the side wall of the support base 1. The top of the inner cavity of the support base 1 is provided with a stamping mounting base 61 to establish a fixed support for the stamping lower die seat 6, and an ejection pin 67 that meets the production needs is provided on the panel of the stamping mounting base 61, which can cooperate with the control signal to The workpiece product that has completed the stamping process is ejected from the stamping lower die base 6, which is convenient for the staff to take out the workpiece product. The stamping installation base 61 is provided with four groups of extended connecting frames 62 embedded in the wall panel at the top of the inner cavity of the support base 1, and establishes fixed support for the four groups of positioning columns. The connecting shock-absorbing frame 63 is connected to the side panel of the support base 1 through the connecting rod 64 and the steering shaft pin 65. That is, during the stamping operation, the vibration of the auxiliary support frame 7 can be transmitted to the stamping installation base 61 through the positioning column and the extended connecting frame 62, and the connecting shock-absorbing frame 63 uniformly releases the vibration energy to the stamping lower die base 6 and the auxiliary support frame 7, thereby reducing the negative impact of mechanical vibration on the stamping components in the stamping bin.

[0041] A double-point closed precision press machine based on servo control provided in an embodiment of the present invention can realize the double-point downward pressure output of servo signals extending forward and backward respectively for the stamping component 4 by setting the mirror output of the first servo component 2 and the second servo component 3, balance the stamping force of the stamping component 4, and improve the stamping effect on the workpiece product. When the two groups of servo cylinders receive the servo movement signals emitted by the two groups of servo motors, the two groups of extending shafts are controlled to press down synchronously, driving the stamping component 4 to dock with the stamping lower die base 6, and realizing the stamping process of the workpiece placed in the stamping lower die base 6. During the up and down movement of the two groups of extending shafts, the two groups of balancing cylinders control the lifting movement of the moving frame, and cooperate with the two groups of servo cylinders to realize the stamping and retraction control of the two groups of extending shafts, thereby ensuring the accuracy of the working components of the press.

[0042] Although the disclosure is disclosed as above, the protection scope of the disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the present invention.

Claims

1. A double-point closed precision press based on servo control, characterized in that: The invention comprises a support base (1), a first servo assembly (2) and a second servo assembly (3); a stamping chamber is provided above the support base (1); a servo setting chamber is provided above the stamping chamber; the first servo assembly (2) is arranged at the right end of the inner cavity of the servo setting chamber; the first servo assembly (2) and the second servo assembly (3) are arranged in a mirror image; a stamping lower die seat (6) is provided in the stamping chamber; a stamping assembly (4) is provided directly above the stamping lower die seat (6); a first vertical adjustment frame (5) is provided on the inner wall of the right side panel of the stamping chamber; the first vertical adjustment frame (5) is movably connected to the output device of the first servo assembly (2); a group of auxiliary support frames (7) are respectively provided at the four corners of the stamping chamber; positioning columns are provided at the bottom of the auxiliary support frames (7); and elastic support frames are provided inside the positioning columns.

2. A servo-controlled double-point closed precision press according to claim 1, characterized in that: The first servo assembly (2) comprises a first servo transmission frame (21), a first servo motor (22) being provided at the left bottom end of the first servo transmission frame (21), a first servo cylinder (24) being provided at the right bottom end of the first servo transmission frame (21), a first extension shaft (27) being provided at the bottom output end of the first servo cylinder (24), a first connecting pin (28) being provided at the bottom of the first extension shaft (27), a first anti-slip frame (29) being provided at the bottom of the first connecting pin (28), and a first abutting seat (210) being provided at the bottom of the first anti-slip frame (29).

3. A servo-controlled double-point closed precision press according to claim 2, characterized in that: A first mounting limit frame (26) is provided at the bottom of the first servo cylinder (24), and the bottom of the first servo cylinder (24) is fixedly arranged on the bottom panel of the stamping bin via the first mounting limit frame (26). A first fixing seat (23) is provided at the top outer end of the first servo cylinder (24), and a plurality of first reinforcing support rods (25) are evenly arranged between the first fixing seat (23) and the first mounting limit frame (26).

4. A servo-controlled double-point closed precision press according to claim 2, characterized in that: A group of bridge-type connecting frames (8) are respectively provided at the left and right ends of the top of the punching assembly (4), and the center of the right end bridge-type connecting frame (8) is fixedly connected to the first abutment seat (210) below the first servo assembly (2).

5. A servo-controlled double-point closed precision press according to claim 1, characterized in that: A first side bracket (51) is provided at the bottom of the first vertical adjustment frame (5), the first side bracket (51) is fixedly connected to the bottom of the stamping bin, a first setting seat (52) is provided at the top of the first side bracket (51), a first vertical sliding groove (55) is provided on the first setting seat (52), a sliding limit groove (511) is provided at the right end of the first vertical sliding groove (55), and a first moving frame (56) is slidably connected inside the first vertical sliding groove (55).

6. A servo-controlled double-point closed precision press according to claim 5, characterized in that: A first connecting seat (57) is provided at the left end of the bottom of the first moving frame (56), a first limiting seat (58) is provided at the top of the left side of the first connecting seat (57), a first fixing pin (59) is provided on the first limiting seat (58), and a first connecting sleeve (510) is provided on the first fixing pin (59).

7. A servo-controlled double-point closed precision press according to claim 5, characterized in that: A first limiting shell is provided on the inner wall of the right side panel of the stamping bin corresponding to the first vertical sliding groove (55), a first balancing cylinder (54) is provided at the center of the bottom of the first setting seat (52), and a group of first shock-absorbing frames (53) are respectively provided on the front and rear sides of the first balancing cylinder (54).

8. A servo-controlled double-point closed precision press according to claim 1, characterized in that: A stamping mounting base (61) is provided at the top of the inner cavity of the support base (1) corresponding to the stamping lower die base (6), a group of extension connecting frames (62) are respectively provided at the edges of the stamping mounting base (61), a group of connecting shock absorbing frames (63) are respectively provided at the four corners of the bottom of the stamping mounting base (61), a group of connecting rods (64) are respectively provided at the bottom of the connecting shock absorbing frames (63), a steering shaft pin (65) is respectively provided at the bottom of the connecting rods (64), and a group of side positioning seats (66) are respectively provided on the side of the steering shaft pin (65) close to the side wall of the support base (1).

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