Numerical control punching machine convenient to adjust for precision mechanical engineering

Abstract

The numerical control punching machine convenient to adjust for precision mechanical engineering comprises a base, supporting frames are arranged on the front portion and the rear portion of the top of the base, and first grooves are formed in the outer sides of the supporting frames. Through the arrangement of the arc-shaped supporting frame, the rack, the gear, the punching mechanism, the first punch and the second punch, the arc-shaped supporting frame is arranged on the base, the punching mechanism is installed on the supporting frame, the arc-shaped rack is arranged on the supporting frame, through cooperation of the gear and the rack, movement of the punching mechanism is achieved, and holes with different dip angles can be punched through angle adjustment; the two punching mechanisms are provided with two punches, the two punches are matched to achieve the functions of punching and cutting, different machining requirements can be met, the frequency of die replacement or equipment adjustment is reduced, and therefore time is saved, the machining adjustment flexibility is enhanced, and the overall working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of punching technology, and in particular to a CNC punching machine for precision mechanical engineering that is easy to adjust. Background Technology

[0002] CNC punching refers to the technology of using a computer-controlled punch press to punch out target patterns in a workpiece. With its advantages of convenience, speed, high accuracy, and strong controllability, CNC punching is constantly adapting to different needs and is increasingly replacing traditional manual punching methods, becoming the mainstream approach.

[0003] Some existing punching machines have fixed punching mechanisms that are not flexible enough to adjust, cannot adapt to multi-angle punching, and cannot flexibly switch between punching and cutting, thus failing to meet various processing needs and affecting overall work efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a CNC punching machine for precision mechanical engineering that is easy to adjust, can adapt to different processing needs, reduce the number of times punches need to be changed or equipment needs to be adjusted, thereby saving time, enhancing the flexibility of processing adjustment, and improving overall work efficiency.

[0005] To achieve the above objectives, a precision mechanical engineering CNC punching machine that is easy to adjust is provided, comprising a base, with support frames provided at the front and rear of the top of the base. A first groove is formed on the outer side of the support frame, and a rack is provided at the bottom of the inner sidewall of the first groove on the front side. Two punching mechanisms are provided between the two support frames. Each punching mechanism includes a connecting frame, a hydraulic cylinder, a first connecting rod, and a gear. A connecting frame is provided below the two support frames. The first connecting rod is rotatably connected to the middle of the top of the front inner wall of the connecting frame. A gear is fixedly connected to the rear end of the first connecting rod. The bottom circumference of the gear meshes with the top of the rack for transmission. A hydraulic cylinder is fixedly connected to the middle of the top of the connecting rod, and the hydraulic cylinder is located between the two support frames. A first punch is provided at the bottom end of the top hydraulic cylinder, and a second punch is provided at the bottom end of the left hydraulic cylinder.

[0006] According to the aforementioned precision mechanical engineering CNC punching machine that is easy to adjust, a first limiting rail is fixedly connected to the outer edge of the bottom inner wall of the first groove, and a second limiting rail is fixedly connected to the front edge of the bottom of the front support frame, wherein the support frame is arc-shaped.

[0007] According to the aforementioned adjustable CNC punching machine for precision mechanical engineering, the punching mechanism further includes a first limiting wheel, a second limiting wheel, a limiting block, and a motor. The first limiting wheel is rotatably connected to each of the four corners of the front inner wall of the connecting frame. The top two first limiting wheels are engaged with the top first limiting rail, and the bottom two first limiting wheels are engaged with the bottom first limiting rail. A motor is fixedly connected to the top center of the front outer wall of the connecting frame, and the drive end of the motor is fixedly connected to the front end of the first connecting rod. Second limiting wheels are rotatably connected to the top two corners of the rear inner wall of the connecting frame, and the bottoms of the two second limiting wheels are engaged with the tops of the second limiting rails.

[0008] According to the aforementioned precision mechanical engineering CNC punching machine that is easy to adjust, the bottom left and right ends of the support frame are fixedly connected to the left and right ends of the base, respectively. A second groove is provided in the middle of the inner side of the support frame, and an insertion groove is provided in the middle of the top front end of the base. Limiting blocks are symmetrically rotated and connected to the middle of the front and rear sides of the hydraulic cylinder, and the outer end of the limiting block is inserted into the second groove.

[0009] According to the aforementioned precision mechanical engineering CNC punching machine that is easy to adjust, the base has support rods symmetrically fixedly connected to the front and rear sides of the top center. The top of the support rod has a third groove, and a bidirectional threaded rod is rotatably connected inside the rear third groove, while a sliding rod is fixedly connected inside the front third groove.

[0010] According to the aforementioned precision mechanical engineering CNC punching machine that is easy to adjust, clamping rods are provided on the left and right sides inside the third groove, the bottom ends of the two rear clamping rods are threaded to a bidirectional threaded rod, and the bottom ends of the two front clamping rods are inserted into a sliding rod.

[0011] According to the aforementioned precision mechanical engineering CNC punching machine that is easy to adjust, a second connecting rod is inserted into the left and right sides of the insertion slot. The front and rear ends of the second connecting rod are respectively fixedly connected to the inner middle of the front and rear clamping rods on the same side. A second motor is fixedly connected to the left end of the rear support rod, and the drive end of the second motor is fixedly connected to the left end of the bidirectional threaded rod.

[0012] According to the aforementioned CNC punching machine for precision mechanical engineering that is easy to adjust, a square tube is provided in the middle of the top of the base, the connecting frame is U-shaped, and both the first groove and the second groove are arc-shaped.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] 1. This utility model, by setting up an arc-shaped support frame, rack, gear, punching mechanism, and first and second punches, sets up an arc-shaped support frame on a base, installs the punching mechanism on the support frame, and sets up an arc-shaped rack on the support frame. Through the cooperation of the gear and rack, the punching mechanism can be moved. By adjusting the angle, holes with different inclination angles can be punched. Setting up two punching mechanisms and installing two types of punches, the two can cooperate to achieve the functions of punching and cutting, which can adapt to different processing needs, reduce the number of times punches need to be changed or equipment needs to be adjusted, thereby saving time, enhancing the flexibility of processing adjustment, and improving overall work efficiency.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a front view of the three-dimensional structure of a precision mechanical engineering CNC punching machine that is easy to adjust.

[0018] Figure 2 This is a three-dimensional side view of a CNC punching machine for precision mechanical engineering that is easy to adjust.

[0019] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0020] Figure 4 This is a three-dimensional bottom view of a precision mechanical engineering CNC punching machine that is easy to adjust.

[0021] Figure 5 This is a top view of the three-dimensional structure of a precision mechanical engineering CNC punching machine that is easy to adjust.

[0022] Legend:

[0023] 1. Base; 2. Support frame; 3. First groove; 4. First limiting rail; 5. Rack; 6. Second groove; 7. Punching mechanism; 701. Connecting frame; 702. Hydraulic cylinder; 703. First limiting wheel; 704. Second limiting wheel; 705. Limiting block; 706. First connecting rod; 707. Gear; 708. Motor; 8. Second limiting rail; 9. First punch; 10. Second punch; 11. Second connecting rod; 12. Square tube; 13. Support rod; 14. Third groove; 15. Bidirectional threaded rod; 16. Clamping rod; 17. Insertion groove. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-5 This utility model discloses a precision mechanical engineering CNC punching machine that is easy to adjust. It includes a base 1, with support frames 2 positioned at both the front and rear of the top of the base 1. The support frames 2 are designed in an arc shape for easy angle adjustment. A first groove 3 is formed on the outer side of the support frame 2, and a rack 5 is provided at the bottom of the inner sidewall of the front first groove 3. Two punching mechanisms 7 are arranged between the two support frames 2. Each punching mechanism 7 includes a connecting frame 701, a hydraulic cylinder 702, a first connecting rod 706, and a gear 707. The connecting frame 701 is located below the two support frames 2, and the first connecting rod 706 is rotatably connected to the middle of the top of the front inner wall of the connecting frame 701. A gear 707 is fixedly connected to the rear end of 706. The bottom circumference of the gear 707 meshes with the top of the rack 5 for transmission. A hydraulic cylinder 702 is fixedly connected to the top middle of the connecting rod, and the hydraulic cylinder 702 is located between the two support frames 2. The bottom end of the top hydraulic cylinder 702 is provided with a first punch 9, and the bottom end of the left hydraulic cylinder 702 is provided with a second punch 10. In some punching processes, punching and cutting are required. The punching angle may also need to be changed, so a lot of flexibility is needed. Therefore, it is designed as a movable structure, which can be flexibly changed without affecting each other, thereby improving work efficiency.

[0026] A first limiting rail 4 is fixedly connected to the outer edge of the bottom inner wall of the first groove 3, and a second limiting rail 8 is fixedly connected to the front edge of the bottom of the front support frame 2. The support frame 2 is arc-shaped. The punching mechanism 7 also includes a first limiting wheel 703, a second limiting wheel 704, a limiting block 705, and a motor 708. The four corners of the front inner wall of the connecting frame 701 are rotatably connected to the first limiting wheel 703. Both limiting wheels play a clamping and limiting role. The two top first limiting wheels 703 are engaged with the top first limiting rail 4, and the two bottom first limiting wheels 704 are engaged with the top first limiting rail 4. 3. The first limiting rail 4 at the bottom is engaged with the connecting frame 701. A motor 708 is fixedly connected to the top center of the front outer wall of the connecting frame 701. The driving end of the motor 708 is fixedly connected to the front end of the first connecting rod 706. Two second limiting wheels 704 are rotatably connected to the top two corners of the rear inner wall of the connecting frame 701. The bottom of the two second limiting wheels 704 is engaged with the top of the second limiting rail 8. The left and right ends of the bottom of the support frame 2 are fixedly connected to the left and right ends of the base 1, respectively. A second groove 6 is opened in the middle of the inner side of the support frame 2. An insertion is opened in the middle of the top center of the front side of the base 1. The groove 17 is symmetrically connected to the center of the front and rear sides of the hydraulic cylinder 702 via a limit block 705. The limit block 705 stabilizes the hydraulic cylinder 702, and its outer end is inserted into the second groove 6. A support rod 13 is symmetrically fixedly connected to the center of the top of the base 1 on both the front and rear sides. A third groove 14 is formed at the top of the support rod 13. A bidirectional threaded rod 15 is rotatably connected inside the rear third groove 14, and a sliding rod is fixedly connected inside the front third groove 14. Clamping rods 16 are provided on the left and right sides inside the third groove 14, and on the rear two... The bottom end of the clamping rod 16 is threaded to the bidirectional threaded rod 15, and the bottom ends of the two clamping rods 16 on the front side are inserted into the slide rod; the second connecting rod 11 is inserted into the left and right sides of the insertion groove 17, and the front and rear ends of the second connecting rod 11 are fixedly connected to the inner middle of the two clamping rods 16 on the same side, respectively. The left end of the rear support rod 13 is fixedly connected to the second motor, and the drive end of the second motor is fixedly connected to the left end of the bidirectional threaded rod 15; a square tube 12 is provided in the middle of the top of the base 1, the connecting frame 701 is U-shaped, and the first groove 3 and the second groove 6 are both arc-shaped.

[0027] Working principle: The square tube 12 to be punched is placed in the middle of the base 1. The bidirectional threaded rod 15 controls the clamping rods 16 on the left and right sides to move towards the middle, so as to stably clamp the square tube 12. When punching is required, the punching mechanism 7 with the first punch 9 is moved to the required position through the cooperation of the gear 707 and the rack 5 to punch a hole at a suitable angle. When the square tube 12 needs to be cut, the punching mechanism 7 with the second punch 10 is moved to the required position to cut it.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A precision mechanical engineering easily adjustable numerical control puncher comprising: The base (1) is characterized in that the top of the base (1) is provided with a support frame (2) in front and back, a first groove (3) is formed in the outer side of the support frame (2), a rack (5) is arranged at the bottom of the inner side wall of the first groove (3) in front, two punching mechanisms (7) are arranged between the two support frames (2), the punching mechanism (7) comprises a connecting frame (701), a hydraulic cylinder (702), a first connecting rod (706) and a gear (707), the connecting frame (701) is arranged below the two support frames (2), the first connecting rod (706) is rotatably connected to the top middle part of the inner wall of the front side of the connecting frame (701), the rear end of the first connecting rod (706) is fixedly connected with the gear (707), the bottom circumference of the gear (707) is in meshing transmission with the top of the rack (5), the hydraulic cylinder (702) is fixedly connected to the top middle part of the connecting rod, and the hydraulic cylinder (702) is located between the two support frames (2), the bottom end of the hydraulic cylinder (702) is provided with a first punch (9), and the bottom end of the hydraulic cylinder (702) is provided with a second punch (10) on the left side.

2. A numerically controlled punch press for precision mechanical engineering with easy adjustment according to claim 1, characterized in that, The first groove (3) is fixedly connected with a first limiting rail (4) at the outer side edge of the bottom inner wall, the bottom front edge of the front support frame (2) is fixedly connected with a second limiting rail (8), and the support frame (2) is arc-shaped.

3. The precisely engineered, easily adjustable numerical control puncher as claimed in claim 1, wherein, The punching mechanism (7) further comprises a first limiting wheel (703), a second limiting wheel (704), a limiting block (705) and a motor (708), the first limiting wheel (703) is rotatably connected to the four corners of the inner wall of the front side of the connecting frame (701), the top two first limiting wheels (703) are clamped with the top first limiting rail (4), the bottom two first limiting wheels (703) are clamped with the bottom first limiting rail (4), the motor (708) is fixedly connected to the top middle part of the outer wall of the front side of the connecting frame (701), the driving end of the motor (708) is fixedly connected with the front end of the first connecting rod (706), the second limiting wheel (704) is rotatably connected to the top two corners of the inner wall of the rear side of the connecting frame (701), and the bottoms of the two second limiting wheels (704) are clamped with the top of the second limiting rail (8).

4. The precisely engineered, easily adjustable numerical control puncher of claim 1, wherein, The bottoms of the left and right ends of the support frame (2) are fixedly connected with the left and right ends of the base (1), a second groove (6) is formed in the middle part of the inner side of the support frame (2), a plug-in groove (17) is formed in the middle part of the top of the front side of the base (1), the limiting blocks (705) are rotatably connected to the middle parts of the circumferences of the front and back sides of the hydraulic cylinder (702) in a symmetrical manner, and the outer ends of the limiting blocks (705) are plugged into the second grooves (6).

5. The precisely engineered, easily adjustable numerical control puncher as claimed in claim 4, wherein, The top middle part of the base (1) is fixedly connected with support rods (13) in a symmetrical manner on the front and back sides, a third groove (14) is formed in the top of the support rod (13), a bidirectional threaded rod (15) is rotatably connected to the inside of the third groove (14) in the rear side, and a sliding rod is fixedly connected to the inside of the third groove (14) in the front side.

6. A numerically controlled punching machine for precision mechanical engineering with easy adjustment according to claim 5, characterized in that, The inside left and right sides of the third groove (14) are provided with clamping rods (16), the bottom ends of the two clamping rods (16) at the back are threadedly connected with the bidirectional threaded rod (15), and the bottom ends of the two clamping rods (16) at the front are inserted with slide rods.

7. A numerically controlled punching machine for precision mechanical engineering with easy adjustment according to claim 6, characterized in that, Second connecting rods (11) are inserted into the inside left and right sides of the insertion groove (17), the front and rear ends of the second connecting rods (11) are fixedly connected with the inside middle parts of the same side front and rear clamping rods (16) respectively, the left end of the rear supporting rod (13) is fixedly connected with a second motor, and the driving end of the second motor is fixedly connected with the left end of the bidirectional threaded rod (15).

8. The precisely engineered, easily adjustable numerical control puncher of claim 1, wherein, The top middle part of the base (1) is provided with a square tube (12), the connecting frame (701) is U-shaped, and the first groove (3) and the second groove (6) are both arc-shaped.

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