Needle numerical control cold forging machine

Abstract

The utility model relates to the technical field of machine needle machining, and discloses a machine needle numerical control cold forging machine. A conveying belt is arranged between a support I and a support II; two conveying wheels of the conveying belt are respectively mounted on rotating shafts, and one rotating shaft is in key connection with an output shaft of the motor; a material receiving base is arranged on the outer end face of the conveying belt and provided with a material receiving groove. A forging cavity is fixedly arranged on the bracket I; a forging oil cylinder is fixedly mounted at the end part of the forging cavity; a forging die is arranged between the bracket II and the bracket III; a molding cavity is formed in the forging and pressing die; the other end of the forging and pressing die is provided with a pushing cavity; a pushing rod is arranged in the pushing cavity in a sliding mode, a pushing oil cylinder is fixedly installed at the end of the pushing cavity, and the pushing oil cylinder is fixedly connected with the pushing rod. Materials can be placed conveniently, and production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of machine needle processing technology, specifically to a CNC cold forging machine needle. Background Technology

[0002] Sewing machine needles, also known as stitch needles or sewing machine needles, are an essential component of sewing machines. There are hundreds of types of domestically produced sewing machine needles alone. During the sewing process, to achieve the ideal match between the needle, fabric, and thread, it is essential to select the appropriate needle. The type of needle is determined by the model and specifications of the sewing machine and the nature of the fabric being sewn. The working nature of the machine dictates the selection of the needle; different types of machines require different models and specifications of needles. Generally speaking, needles used for textiles and knitwear have conical tips. For sewing leather and similar materials, special-shaped needle tips, such as spearheads, rhomboids, and reverse twist tips, are used to increase needle strength and achieve better sewing results. The production and processing of sewing machine needles mostly utilizes cold forging machines. Cold forging machines compress rod-shaped materials, transforming them into the shape of a needle. However, in actual use, only one needle prototype can be formed at a time during cold forging, and placing the material is inconvenient.

[0003] The relevant reference CN210305557U discloses an improved cold forging machine for needle production. The bottom of the cold forging table is fixedly connected to a slider. The slider is pushed by an electric push rod. As the slider moves, it pushes the cold forging table out. Although it is not necessary to put hands under the cold forging mechanism to pick up and put down materials, after the cold forging is completed, the unloading component lifts the material and the operator still has to remove the material from the molding hole. The production efficiency is relatively low. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a cold forging machine that facilitates material placement and improves production efficiency.

[0005] To solve the above technical problems, this utility model provides a CNC cold forging machine for needles, including support I, support II, and support III. A conveyor belt is set between support I and support II, and a receiving frame is installed in front of the conveyor belt. Two conveyor wheels of the conveyor belt are respectively mounted on a rotating shaft, one of which is connected to the output shaft key of a motor. A receiving seat is set on the outer end face of the conveyor belt, and a receiving groove is set on the receiving seat. A forging chamber is fixedly set on support I, and a forging head is slidably set in the forging chamber. A forging cylinder is fixedly installed at the end of the forging chamber. A forging die is set between support II and support III, and a molding cavity is opened in the forging die. A receiving part is installed at one end of the forging die, and a pushing cavity is installed at the other end. A pushing rod is slidably set in the pushing cavity, and a pushing cylinder is fixedly installed at the end of the pushing cavity. The pushing cylinder and the pushing rod are fixedly connected.

[0006] By adopting the above technical solution, the rod-shaped material is directly placed into the receiving groove. The forging cylinder extends the forging head, which pushes the rod-shaped material into the molding cavity for extrusion. After forging is completed, the forging cylinder retracts, and the pushing cylinder drives the pushing rod to push the material into the receiving groove. The conveyor belt conveys the material forward, and the material falls into the receiving frame. There is no need for operators to take out the materials one by one, which improves production efficiency.

[0007] Preferably, a support plate is provided between the two conveyor wheels, the support plate is close to the inner end face of the conveyor belt, and the two ends of the support plate are fixedly connected to bracket I and bracket II respectively, so that the conveyor belt can be conveyed smoothly forward.

[0008] By adopting the above technical solution, the fixed connection between the pallet and brackets I and II simplifies the installation process of the conveyor belt, reducing installation difficulty and cost. The pallet provides an additional support surface for the conveyor belt, reducing sagging or deformation caused by its own weight and load.

[0009] Preferably, the drive shafts of the forging head and the forging cylinder are fixedly connected, and the forging cylinder is installed in the forging chamber.

[0010] By adopting the above technical solution, the forging cylinder is installed in the forging chamber, and the forging head is in front of the forging cylinder. This makes full use of the internal space of the equipment, resulting in a compact structure that helps to reduce the overall size and weight of the equipment.

[0011] Preferably, the forging chamber is installed on the pusher seat, the pusher seat is installed on the pusher plate, and the pusher plate is fixed on the bracket I.

[0012] By adopting the above technical solution and using a hierarchical installation structure with multi-level support from the pusher seat and pusher plate, the installation materials are simplified, the structural stability of the cold forging machine is enhanced, vibration and impact during the forging process are reduced, and the processing accuracy is improved.

[0013] Preferably, the push rod and the transmission shaft of the push cylinder are fixedly connected, and the push cylinder is installed in the push cavity.

[0014] By adopting the above technical solution, the push cylinder is installed at one end of the push chamber, and the push cylinder is connected to the push rod, making the push mechanism compact, reducing space occupation, and further reducing the overall size and weight of the cold forging machine.

[0015] Preferably, both the forging die and the pushing cavity are mounted on the forging seat, which is mounted on the forging platform. The two ends of the forging platform are mounted on bracket II and bracket III, respectively.

[0016] By adopting the above technical solution, the forging seat and forging table serve as intermediate support structures, effectively dispersing and bearing the pressure generated during the forging process, reducing vibration and impact during the forging process, helping to ensure that the forging die and pushing cavity can maintain precise position and shape during processing, helping to ensure the pushing effect and improve product quality.

[0017] Preferably, both the forging cylinder and the pushing cylinder are multi-section cylinders.

[0018] By adopting the above technical solution, the multi-section hydraulic cylinder is shorter in length when retracted, occupies less space, which helps to reduce the overall size of the cold forging machine. Moreover, the use of multi-section hydraulic cylinders for cold forging operations results in smooth transmission and a long service life.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. This utility model allows the rod-shaped material to be placed directly into the receiving groove. The forging cylinder extends the forging head, which pushes the rod-shaped material into the molding cavity for extrusion. After forging is completed, the forging cylinder retracts, and the pushing cylinder drives the pushing rod to push the material into the receiving groove. The conveyor belt transports the material forward, and the material falls into the receiving frame. This eliminates the need for operators to remove the materials one by one, thus improving production efficiency.

[0021] 2. The fixed connection method between the pallet and brackets I and II in this utility model simplifies the installation process of the conveyor belt, reducing installation difficulty and cost. The pallet provides an additional support surface for the conveyor belt, reducing sagging or deformation caused by the conveyor belt's own weight and load.

[0022] 3. This utility model adopts multi-section hydraulic cylinder forging. The multi-section hydraulic cylinder is shorter in length when retracted, occupies less space, and helps to reduce the overall size of the cold forging machine. Moreover, the use of multi-section hydraulic cylinder for cold forging operation results in smooth transmission and long service life. Attached Figure Description

[0023] Figure 1 This is a structural diagram of the present utility model;

[0024] Figure 2 This is a right view of the present invention;

[0025] Figure 3 This is a schematic diagram of the forging head connection of this utility model;

[0026] Figure 4 This is a schematic diagram showing the connection between the forging die and the pushing cavity of this utility model;

[0027] Figure 5 This is a schematic diagram showing the connection between the push cylinder and the push rod in another embodiment of the present invention.

[0028] Drawing numbers: 1. Support I, 2. Support II, 3. Support III, 4. Receiving seat, 5. Conveyor belt, 6. Receiving groove, 7. Pusher plate, 8. Forging press, 9. Receiving frame, 10. Forging chamber, 11. Forging die, 12. Pushing chamber, 13. Motor, 14. Forging cylinder, 15. Pushing cylinder, 16. Receiving part, 17. Support plate, 18. Conveyor wheel, 19. Molding cavity, 20. Pusher rod, 21. Pusher seat, 22. Connector, 23. Forging seat, 24. Forging head, 25. Rotating shaft, 26. Pushing hole, 27. Screw. Detailed Implementation

[0029] like Figure 1 As shown, the CNC cold forging machine for needles includes support I1, support II2, and support III3. A conveyor belt 5 is connected to support I1 and support II2 via a rotating shaft 25. Both ends of the rotating shaft 25 are mounted on support I1 and support II2 via ball bearings. A receiving frame 9 is provided in front of the conveyor belt 5.

[0030] A forging die 11 is disposed between support II2 and support III3. Both the forging die 11 and the pushing cavity 12 are mounted on a forging seat 23, which is mounted on a forging table 8. The forging table 8 is mounted on support II2 and support III3 at both ends. The forging seat 23 and forging table 8 serve as intermediate support structures, effectively distributing and bearing the pressure generated during forging, reducing vibration and impact during the forging process. This helps ensure that the forging die 11 and the pushing cavity 12 maintain precise position and shape during processing, thus ensuring the pushing effect and improving product quality.

[0031] like Figure 2 As shown, the conveyor belt 5 is driven by two conveyor wheels 18, which are respectively mounted on two rotating shafts 25; one of the rotating shafts 25 is connected to the output shaft key of the motor 13; a receiving seat 4 is provided on the outer end face of the conveyor belt 5, and a receiving groove 6 is fixedly installed on the receiving seat 4. A forging chamber 10 is fixedly installed on the bracket I1. The forging chamber 10 is installed on the pusher seat 21, the pusher seat 21 is installed on the pusher plate 7, and the pusher plate 7 is fixed on the bracket I1. The multi-level installation structure, through the pusher seat 21 and the pusher plate 7, simplifies the installation materials, enhances the structural stability of the cold forging machine, reduces vibration and impact during the forging process, and improves the processing accuracy.

[0032] A support plate 17 is positioned between the two conveyor wheels 18, resting against the inner end face of the conveyor belt 5. Both ends of the support plate 17 are fixedly connected to bracket I1 and bracket II2, respectively, ensuring smooth forward movement of the conveyor belt 5. This fixed connection between the support plate 17 and brackets I1 and II2 simplifies the installation process of the conveyor belt 5, reducing installation difficulty and cost. The support plate 17 provides an additional support surface for the conveyor belt 5, reducing sagging or deformation caused by its own weight and load.

[0033] like Figure 3 As shown, a forging head 24 is slidably disposed in the forging chamber 10, and a forging cylinder 14 is fixedly installed at the end of the forging chamber 10. A fastening screw hole is opened at the tail of the forging chamber 10, and a connecting screw hole is drilled on the housing of the forging cylinder 14 (not shown in the figure). The forging cylinder 14 and the forging chamber 10 are installed and fastened with screws.

[0034] The forging head 24 and the forging cylinder 14 are fixedly connected by their drive shafts, and the forging cylinder 14 is installed in the forging chamber 10. Installing the forging cylinder 14 in the forging chamber 10, with the forging head 24 in front of it, makes full use of the internal space of the equipment, resulting in a compact structure that helps reduce the overall size and weight of the equipment.

[0035] like Figure 4 As shown, a molding cavity 19 is formed in the forging die 11; a receiving part 16, which is funnel-shaped, is installed at one end of the forging die 11. A pushing cavity 12 is installed at the other end of the forging die 11; a pushing rod 20 is slidably arranged in the pushing cavity 12. A pushing cylinder 15 is fixedly installed at the tail end of the pushing cavity 12. The pushing cylinder 15 and the pushing rod 20 are fixedly connected, making the pushing mechanism compact, reducing space occupation, and further reducing the overall size and weight of the cold forging machine.

[0036] One end of the push rod 20 is fixedly connected to the transmission shaft of the push cylinder 15, and the other end of the push rod 20 is located in the push hole 26. The push hole 26 is opened at the tail of the molding cavity 19 of the forging die 11 and communicates with the molding cavity 19. In this embodiment, a connector 22 is used to assemble the push rod 20 and the transmission shaft of the push cylinder 15 together. One end of the connector 22 has a threaded hole and is threadedly connected to the transmission shaft of the push cylinder. The other end of the connector 22 has a hole that is interference-fitted with the push rod 20 to securely enclose the push rod 20. The push cylinder 15 is installed in the push cavity 12. A mounting threaded hole is opened at the tail of the push cavity 12, and a mounting threaded hole is drilled on the housing of the push cylinder 15 (not shown in the figure). The push cylinder 15 and the push cavity 12 are installed and secured with screws to prevent the push cylinder 15 from shaking or shifting during operation, making the push cylinder 15 run more smoothly. The push cylinder 15 is installed in the push chamber 12, and the push cylinder 15 is connected to the push rod 20. This makes full use of the internal space of the equipment, resulting in a compact structure and further reducing the overall size and weight of the cold forging machine.

[0037] like Figure 5 As shown, in another embodiment, one end of the push rod 20 has a flat mounting part, the connector 22 has a matching mounting groove, the mounting part is inserted into the mounting groove and fastened with screws 27, and the other end of the push rod 20 is located in the push hole 26.

[0038] Both the forging cylinder 14 and the pushing cylinder 15 are multi-section cylinders. Multi-section cylinders are shorter in length when retracted, occupy less space, and help reduce the overall size of the cold forging machine. In addition, the use of multi-section cylinders for cold forging operations results in smooth transmission and a long service life.

[0039] This application allows the rod-shaped material to be placed directly into the receiving trough 6, making material placement very convenient. The forging cylinder 14 extends the forging head 24, which pushes the rod-shaped material into the molding cavity 19 for extrusion. After forging is completed, the forging cylinder 14 retracts, and the pushing cylinder 15 drives the pushing rod 20 to push the material into the receiving trough 6. The conveyor belt 5 transports the material forward, and the material falls into the receiving frame 9. This eliminates the need for operators to remove the materials one by one, improving production efficiency.

[0040] During operation, the motor 13, forging cylinder 14, and pushing cylinder 15 work in conjunction with the computer control system. The operator places the rod-shaped material directly into the receiving trough 6, starts the motor 13, and the motor 13 rotates, driving the conveyor belt 5 to transport the material. Once the material reaches the forging chamber 10 and the forging die 11, the motor 13 stops, and the conveyor belt 5 comes to a standstill. The forging cylinder 14 is then activated, driving the forging head 24 to press the rod-shaped material into the molding cavity 19. After cold forging, the pushing cylinder 15 is activated, driving the pushing rod 20 to push the cold-forged material out of the molding cavity 19 and into the receiving trough 6. The motor 13 is then started to transport the next batch of rod-shaped material to be cold-forged. As the conveyor belt 5 moves forward, the receiving trough 6 tilts downwards, dumping the cold-forged material into the receiving frame 9.

[0041] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.

Claims

1. A CNC cold forging machine for needles, characterized in that: The system includes support I (1), support II (2), and support III (3). A conveyor belt (5) is provided between support I (1) and support II (2), and a receiving frame (9) is installed in front of the conveyor belt (5). Two conveyor wheels (18) of the conveyor belt (5) are respectively installed on a rotating shaft (25), one of which is connected to the output shaft key of a motor (13). A receiving seat (4) is provided on the outer end face of the conveyor belt (5), and a receiving groove (6) is provided on the receiving seat (4). A forging chamber (10) is fixedly provided on support I (1). A forging head (24) is slidably set in the forging cavity (10); a forging cylinder (14) is fixedly installed at the end of the forging cavity (10); a forging die (11) is set between the support II (2) and the support III (3), and a molding cavity (19) is opened in the forging die (11); a receiving part (16) is installed at one end of the forging die (11), and a pushing cavity (12) is installed at the other end; a pushing rod (20) is slidably set in the pushing cavity (12), and a pushing cylinder (15) is fixedly installed at the end of the pushing cavity (12); the pushing cylinder (15) and the pushing rod (20) are fixedly connected.

2. The CNC cold forging machine for needles according to claim 1, characterized in that: A tray (17) is provided between the two conveyor wheels (18). The tray (17) is close to the inner end face of the conveyor belt (5). The two ends of the tray (17) are fixedly connected to the bracket I (1) and the bracket II (2) respectively, so that the conveyor belt (5) can be conveyed forward smoothly.

3. The CNC cold forging machine for needles according to claim 1, characterized in that: The forging head (24) and the forging cylinder (14) are fixedly connected by their transmission shafts, and the forging cylinder (14) is installed in the forging chamber (10).

4. The CNC cold forging machine for needles according to claim 3, characterized in that: The forging chamber (10) is installed on the pusher seat (21), the pusher seat (21) is installed on the pusher plate (7), and the pusher plate (7) is fixed on the bracket I (1).

5. The CNC cold forging machine for needles according to claim 1, characterized in that: The push rod (20) and the push cylinder (15) are fixedly connected by their transmission shafts, and the push cylinder (15) is installed in the push cavity (12).

6. The CNC cold forging machine for needles according to claim 1, characterized in that: The forging die (11) and the pushing cavity (12) are both installed on the forging seat (23), the forging seat (23) is installed on the forging table (8), and the two ends of the forging table (8) are respectively installed on the bracket II (2) and the bracket III (3).

7. The CNC cold forging machine for needles according to claim 3 or 5, characterized in that: Both the forging cylinder (14) and the pushing cylinder (15) are multi-section cylinders.

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