Direct-driven all-electric servo numerical control bending machine

Abstract

The utility model discloses a direct drive all electric servo numerical control bender relates to bender technical field, including bottom plate and U-shaped frame, the inside of U-shaped frame is symmetrically provided with upper clamping plate and lower clamping plate, the surface of lower clamping plate is provided with bending work piece, the top of U-shaped frame is fixedly connected with first U-shaped plate, the top of U-shaped frame is fixedly connected with second U-shaped plate, and the top of U-shaped frame is fixedly connected with second U-shaped plate. An electric push rod is fixedly connected to the inner wall of the first U-shaped plate, a plurality of sliding sleeves are symmetrically and movably connected to the rod wall of the sliding rod in a sleeving mode, an adjusting plate is fixedly connected to the bottom of each sliding sleeve, and a pressing roller is arranged below each adjusting plate. According to the bending device, the sliding rods, the adjusting plates and the pressing rollers are arranged, the multiple sliding sleeves slide and drive the corresponding adjusting plates and the pressing rollers to move, the electric push rod is started, then the multiple pressing rollers can sequentially act on the surface of a bent workpiece from right to left, and then the bent workpiece can be bent within 90 degrees; and a user can conveniently regulate and control the bending angle.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board engraving, in particular to a direct-drive all-electric servo numerically controlled bending machine. Background Art

[0002] The bending machine is an important equipment for bending and forming workpieces in the sheet metal industry. It is also a kind of mechanical equipment commonly used by mechanical equipment manufacturers. Its function is to press the workpiece to be bent into parts of various shapes according to the process requirements.

[0003] After searching, a servo-driven CNC bending machine with the authorization announcement number CN214442070U is found, which includes a bending machine body and a positioning spring, a chassis is arranged inside the bending machine body, and a front baffle is installed at the front end of the chassis, a detachable screw is arranged at the front end of the front baffle, a servo motor is arranged inside the chassis, and a lead screw is installed below the servo motor, a threaded sleeve is arranged outside the lead screw, and a model mounting plate is installed at the front end of the threaded sleeve, a mold plate is arranged below the model mounting plate, and a mounting bolt is arranged at the front end of the model mounting plate, a workbench is arranged below the mold plate, and a mold groove is arranged inside the workbench, and a positioning groove is installed at the front end of the mold groove.

[0004] However, the existing servo-driven CNC bending machines have certain drawbacks when in use. Although the device can bend the workpiece to be bent, the bending angle is difficult to flexibly control, resulting in a relatively single bending angle of the workpiece, making it difficult to meet the multi-angle bending requirements of the workpiece. Utility Model Content

[0005] In view of the above problems existing in the existing servo-driven CNC bending machines, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a direct-drive all-electric servo CNC bending machine, which solves the problem that although the device can bend the workpiece to be bent, the bending angle is difficult to flexibly control, resulting in a relatively single bending angle of the bent workpiece, making it difficult to meet the multi-angle bending requirements of the workpiece.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A direct-drive all-electric servo CNC bending machine comprises a base plate and a U-shaped frame, wherein an upper clamping plate and a lower clamping plate are symmetrically arranged inside the U-shaped frame, a bending workpiece is placed on the surface of the lower clamping plate, a first U-shaped plate is fixedly connected to the top of the U-shaped frame, an electric push rod is fixedly connected to the inner wall of the first U-shaped plate, an output shaft of the electric push rod is fixedly connected to a connecting plate, a connecting groove is provided on the side wall of the connecting plate, a sliding rod is fixedly connected to the inner wall of the connecting groove, a plurality of sliding sleeves are symmetrically and movably sleeved on the rod wall of the sliding rod, an adjusting plate is fixedly connected to the bottom of each sliding sleeve, a pressure roller is arranged under each adjusting plate, each pressure roller matches the bending workpiece, a driving mechanism is arranged on the side wall of the U-shaped frame, and the upper clamping plate and the lower clamping plate match the driving mechanism.

[0009] Preferably, the driving mechanism includes a motor, two bidirectional screw rods, two pulleys, a belt and two movable plates, the motor is fixedly connected to the top of the U-shaped frame, the two bidirectional screw rods are rotatably arranged on the inner wall of the U-shaped frame, one end of one of the bidirectional screw rods passes through the U-shaped frame and is fixedly connected to the output shaft of the motor, the other ends of the two bidirectional screw rods pass through the bottom plate and are fixedly sleeved on the inside of the corresponding pulleys, the two pulleys are connected by belt transmission, the two movable plates are threadedly sleeved on the rod walls of the two bidirectional screw rods, and the upper clamping plate and the lower clamping plate are respectively fixedly connected to the corresponding movable plates.

[0010] Preferably, two limiting plates are symmetrically fixedly connected to the bottom of the upper clamping plate, and two limiting openings are symmetrically opened on the side wall of the lower clamping plate, and each limiting plate matches the corresponding limiting opening.

[0011] Preferably, a second U-shaped plate is fixedly provided at the bottom of each adjusting plate, a connecting rod is rotatably provided on the inner wall of each second U-shaped plate, and each pressing roller is fixedly sleeved on the rod wall of the corresponding connecting rod.

[0012] Preferably, a plurality of insertion holes are symmetrically provided on the rod wall of the sliding rod, an insertion rod is movably inserted into the interior of each sliding sleeve, and the other end of each insertion rod is inserted into the interior of the corresponding insertion hole.

[0013] Preferably, the side wall of the connecting plate is fixedly connected to a mounting plate, and a plurality of positioning rods are symmetrically and movably sleeved inside the mounting plate. Two positioning holes are symmetrically opened on the rod wall of each of the insertion rods, and the other end of each of the positioning rods is inserted into the corresponding positioning hole, and the other ends of the plurality of positioning rods are commonly and fixedly connected to a pull plate.

[0014] Preferably, a spring is movably sleeved on the rod wall of each positioning rod, and two ends of each spring are fixedly connected to the mounting plate and the pulling plate respectively.

[0015] Preferably, two telescopic rods are fixedly connected to the inner wall of the second U-shaped plate, and the other end of each of the telescopic rods is fixedly connected to the connecting plate.

[0016] Preferably, a through hole is opened on the inner wall of the U-shaped frame, and the connecting plate and the plurality of adjusting plates are movably arranged inside the through hole.

[0017] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0018] 1. The utility model, through the provided sliding rod, adjusting plate and pressing roller, slides a plurality of sliding sleeves and drives the corresponding adjusting plates and pressing rollers to move, starts the electric push rod, and then enables the plurality of pressing rollers to act on the surface of the bending workpiece from right to left in sequence, thereby being able to bend the bending workpiece within 90°, and is convenient for the user to adjust the bending angle.

[0019] 2. The utility model starts a motor to drive one of the two-way screws to rotate by setting a two-way screw and a pulley, and the two two-way screws can be rotated synchronously through the transmission of the pulley and the belt, thereby ensuring that the two moving plates drive the upper clamping plate and the lower clamping plate to clamp the workpiece to be bent, thereby improving the bending effect.

[0020] 3. The utility model, through the provision of U-shaped plates and connecting rods, each U-shaped plate is fixedly connected to the bottom of the corresponding adjustment plate, and each pressure roller is rotatably arranged on the rod wall of the connecting rod, thereby ensuring rolling friction between multiple pressure rollers and the workpiece to be bent, which can effectively reduce the noise during bending.

[0021] 4. The utility model provides a positioning rod, and each sliding sleeve is movably inserted with a positioning rod inside. The rod wall of each insertion rod is provided with a positioning hole. Multiple positioning rods are inserted into the corresponding positioning holes, thereby ensuring that multiple sliding sleeves are stably arranged on the rod wall of the sliding rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 It is the front view of the utility model;

[0024] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0025] Figure 3 For the utility model Figure 2 A magnified view of part A;

[0026] Figure 4 For the utility model Figure 2 A magnified view of part B;

[0027] Figure 5 For the utility model Figure 1 Enlarged view of part C;

[0028] Figure 6 For the utility model Figure 1 A schematic diagram of the three-dimensional structure of the lower card plate;

[0029] Figure 7 For the utility model Figure 3 Schematic diagram of the three-dimensional structure of the insertion rod.

[0030] Description of reference numerals:

[0031] 1. Bottom plate; 2. U-shaped frame; 3. Upper clamping plate; 4. Lower clamping plate; 5. Bending workpiece; 6. First U-shaped plate; 7. Electric push rod; 8. Connecting plate; 9. Sliding rod; 10. Sliding sleeve; 11. Adjusting plate; 12. Pressing roller; 13. Motor; 14. Bidirectional screw; 15. Pulley; 16. Belt; 17. Moving plate; 18. Limiting plate; 19. Second U-shaped plate; 20. Connecting rod; 21. Inserting rod; 22. Mounting plate; 23. Positioning rod; 24. Pull plate; 25. Spring; 26. Telescopic rod. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0033] The utility model embodiment discloses a direct-drive all-electric servo numerically controlled bending machine.

[0034] Embodiment 1

[0035] The utility model provides Figure 1-3 and Figure 5-6The direct-drive all-electric servo CNC bending machine shown includes a base plate 1 and a U-shaped frame 2. The interior of the U-shaped frame 2 is symmetrically provided with an upper card plate 3 and a lower card plate 4. A bending workpiece 5 is placed on the surface of the lower card plate 4. The top of the U-shaped frame 2 is fixedly connected to a first U-shaped plate 6. The inner wall of the first U-shaped plate 6 is fixedly connected to an electric push rod 7. The output shaft of the electric push rod 7 is fixedly connected to a connecting plate 8. A connecting groove is provided on the side wall of the connecting plate 8. A sliding rod 9 is fixedly connected to the inner wall of the connecting groove. A plurality of sliding sleeves 10 are symmetrically and movably sleeved on the rod wall of the sliding rod 9. An adjusting plate 11 is fixedly connected to the bottom of each sliding sleeve 10. A pressure roller 12 is provided under each adjusting plate 11. Each pressure roller 12 matches the bending workpiece 5. A driving mechanism is provided on the side wall of the U-shaped frame 2. The upper card plate 3 and the lower card plate 4 match the driving mechanism.

[0036] In order to ensure that the two moving plates 17 drive the upper clamping plate 3 and the lower clamping plate 4 to clamp the workpiece 5 to be bent, the bending effect is improved. Figure 1-2 , Figure 4 and Figure 6 As shown, the driving mechanism includes a motor 13, two bidirectional screw rods 14, two pulleys 15, a belt 16 and two movable plates 17. The motor 13 is fixedly connected to the top of the U-shaped frame 2. The two bidirectional screw rods 14 are rotatably arranged on the inner wall of the U-shaped frame 2. One end of one of the bidirectional screw rods 14 passes through the U-shaped frame 2 and is fixedly connected to the output shaft of the motor 13. The other ends of the two bidirectional screw rods 14 pass through the bottom plate 1 and are fixedly sleeved on the inside of the corresponding pulleys 15. The two pulleys 15 are connected by the belt 16. The two movable plates 17 are threadedly sleeved on the rod walls of the two bidirectional screw rods 14. The upper clamping plate 3 and the lower clamping plate 4 are respectively fixedly connected to the corresponding movable plates 17.

[0037] Embodiment 2

[0038] On the basis of the first embodiment, in order to further improve the bending effect of the bending component 5, as Figure 1-2 and Figure 6 As shown, two limiting plates 18 are symmetrically fixedly connected to the bottom of the upper clamping plate 3, and two limiting openings are symmetrically opened on the side wall of the lower clamping plate 4, and each limiting plate 18 matches the corresponding limiting opening.

[0039] Embodiment 3

[0040] On the basis of the first embodiment, in order to ensure rolling friction between the plurality of pressure rollers 12 and the workpiece 5 to be bent, the noise during bending can be effectively reduced. Figure 1-4 As shown, a second U-shaped plate 19 is fixedly provided at the bottom of each adjustment plate 11 , a connecting rod 20 is rotatably provided on the inner wall of each second U-shaped plate 19 , and each pressing roller 12 is fixedly sleeved on the rod wall of the corresponding connecting rod 20 .

[0041] In order to be able to insert and fix multiple sliding sleeves 10, as Figure 3 , Figure 5 and Figure 7 As shown, the rod wall of the sliding rod 9 is symmetrically provided with a plurality of insertion holes, and an insertion rod 21 is movably inserted into the interior of each sliding sleeve 10, and the other end of each insertion rod 21 is inserted into the interior of the corresponding insertion hole.

[0042] In order to be able to insert and fix multiple plug rods 21, as Figure 1-3 , Figure 5 and Figure 7 As shown, the side wall of the connecting plate 8 is fixedly connected with a mounting plate 22, and a plurality of positioning rods 23 are symmetrically and movably sleeved inside the mounting plate 22. Two positioning holes are symmetrically opened on the rod wall of each insertion rod 21, and the other end of each positioning rod 23 is inserted into the inside of the corresponding positioning hole. The other ends of the plurality of positioning rods 23 are commonly and fixedly connected with a pull plate 24.

[0043] In order to ensure the reverse elastic force of the spring 25, a plurality of positioning rods 23 are stably inserted into the corresponding positioning holes. Figure 5 As shown, a spring 25 is movably sleeved on the rod wall of each positioning rod 23, and two ends of each spring 25 are fixedly connected to the mounting plate 22 and the pulling plate 24 respectively.

[0044] In order to improve the stability of the downward movement of the connecting plate 8, the plurality of adjustment plates 11 and the plurality of pressure rollers 12, as shown in FIG. Figure 1-5 and Figure 7 As shown, two telescopic rods 26 are fixedly connected to the inner wall of the second U-shaped plate 19 , and the other end of each telescopic rod 26 is fixedly connected to the connecting plate 8 .

[0045] Finally, in order to ensure that the adjustment plate 11 and the connecting plate 8 can be smoothly inserted into the U-shaped frame 2, as shown in FIG. Figure 1-3 and Figure 5 As shown, a through hole is opened on the inner wall of the U-shaped frame 2, and the connecting plate and a plurality of adjustment plates 11 are movably arranged inside the through hole.

Claims

1. A direct-drive all-electric servo CNC bending machine, comprising a base plate (1) and a U-shaped frame (2), characterized in that: An upper clamping plate (3) and a lower clamping plate (4) are symmetrically arranged inside the U-shaped frame (2), a bending workpiece (5) is placed on the surface of the lower clamping plate (4), a first U-shaped plate (6) is fixedly connected to the top of the U-shaped frame (2), an electric push rod (7) is fixedly connected to the inner wall of the first U-shaped plate (6), an output shaft of the electric push rod (7) is fixedly connected to a connecting plate (8), a connecting groove is provided on the side wall of the connecting plate (8), a sliding rod (9) is fixedly connected to the inner wall of the connecting groove, a plurality of sliding sleeves (10) are symmetrically and movably sleeved on the rod wall of the sliding rod (9), an adjusting plate (11) is fixedly connected to the bottom of each sliding sleeve (10), a pressing roller (12) is arranged below each adjusting plate (11), and each pressing roller (12) matches the bending workpiece (5), a driving mechanism is arranged on the side wall of the U-shaped frame (2), and the upper clamping plate (3) and the lower clamping plate (4) are matched with the driving mechanism.

2. The direct-drive all-electric servo CNC bending machine according to claim 1 is characterized in that: The driving mechanism comprises a motor (13), two bidirectional screw rods (14), two pulleys (15), a belt (16) and two movable plates (17); the motor (13) is fixedly connected to the top of the U-shaped frame (2); the two bidirectional screw rods (14) are rotatably arranged on the inner wall of the U-shaped frame (2); one end of one of the bidirectional screw rods (14) passes through the U-shaped frame (2) and is fixedly connected to the output shaft of the motor (13); the other ends of the two bidirectional screw rods (14) pass through the bottom plate (1) and are fixedly sleeved inside the corresponding pulleys (15); the two pulleys (15) are connected by transmission via the belt (16); the two movable plates (17) are threadedly sleeved on the rod walls of the two bidirectional screw rods (14); the upper clamping plate (3) and the lower clamping plate (4) are respectively fixedly connected to the corresponding movable plates (17).

3. The direct-drive all-electric servo CNC bending machine according to claim 1 is characterized in that: Two limiting plates (18) are symmetrically fixedly connected to the bottom of the upper clamping plate (3), and two limiting openings are symmetrically opened on the side wall of the lower clamping plate (4), and each limiting plate (18) matches the corresponding limiting opening.

4. The direct-drive all-electric servo CNC bending machine according to claim 1 is characterized in that: A second U-shaped plate (19) is fixedly arranged at the bottom of each adjustment plate (11), a connecting rod (20) is rotatably arranged on the inner wall of each second U-shaped plate (19), and each pressing roller (12) is fixedly sleeved on the rod wall of the corresponding connecting rod (20).

5. The direct-drive all-electric servo CNC bending machine according to claim 1 is characterized in that: The rod wall of the sliding rod (9) is symmetrically provided with a plurality of insertion holes, and an insertion rod (21) is movably inserted into the interior of each sliding sleeve (10), and the other end of each insertion rod (21) is inserted into the interior of the corresponding insertion hole.

6. The direct-drive all-electric servo CNC bending machine according to claim 5, characterized in that: The side wall of the connecting plate (8) is fixedly connected to a mounting plate (22), and a plurality of positioning rods (23) are symmetrically and movably sleeved inside the mounting plate (22). The rod wall of each of the insertion rods (21) is symmetrically provided with two positioning holes, and the other end of each of the positioning rods (23) is inserted into the inside of the corresponding positioning hole, and the other ends of the plurality of positioning rods (23) are commonly and fixedly connected to a pull plate (24).

7. The direct-drive all-electric servo CNC bending machine according to claim 6, characterized in that: A spring (25) is movably sleeved on the rod wall of each positioning rod (23), and two ends of each spring (25) are respectively fixedly connected to the mounting plate (22) and the pulling plate (24).

8. The direct-drive all-electric servo CNC bending machine according to claim 4, characterized in that: Two telescopic rods (26) are fixedly connected to the inner wall of the second U-shaped plate (19), and the other end of each telescopic rod (26) is fixedly connected to the connecting plate (8).

9. The direct-drive all-electric servo CNC bending machine according to claim 1, characterized in that: The inner wall of the U-shaped frame (2) is provided with a through hole, and the connecting plate and the plurality of adjusting plates (11) are movably arranged inside the through hole.

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