Multi-station screw cold heading stamping machine

Abstract

This utility model discloses a multi-station cold heading stamping machine for screws, relating to the field of mechanical manufacturing technology. The utility model includes a base, on which a pressing mechanism and several buffer mechanisms are mounted. The pressing mechanism includes a bracket fixedly connected to the top of the base. A sliding rod is fixedly connected between the bottom of the bracket and the base. A movable plate is slidably connected to the sliding rod. Several fixed blocks are fixedly connected to the bottom of the movable plate, and fixed plates are fixedly connected to the bottom of the fixed blocks. The buffer mechanisms include a bidirectional hinge block fixedly connected to the bottom of the fixed plate. Two hinge rods are hinged to the side of the bidirectional hinge block away from the fixed plate. This utility model, by incorporating buffer mechanisms, solves the problem that high stamping speed or pressure may damage the mold, affecting screw forming and reducing production efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical manufacturing technology, and in particular relates to a multi-station screw cold heading stamping machine. Background Technology

[0002] With the rapid development of various industries, the demand for screws is showing a diversified trend. In the automotive manufacturing field, in order to achieve vehicle lightweighting and high performance, a large number of high-strength, high-precision and complex-shaped screws are needed for body structure connection and engine assembly. In electronic equipment manufacturing, as products continue to develop towards miniaturization and thinning, the demand for micro and ultra-precision screws is increasing. These screws not only need to have precise dimensional tolerances, but also need to have good surface quality to ensure reliable connection of electronic components.

[0003] However, existing multi-station cold heading stamping machines for screws may experience mold damage due to high stamping speed or pressure, affecting screw forming and reducing production efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a multi-station cold heading stamping machine for screws. By setting a buffer mechanism, it solves the problem that the mold may be damaged due to high stamping speed or high pressure, which will affect the forming of screws and reduce production efficiency.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a multi-station cold heading forming stamping machine for screws, including a base, on which a pressing mechanism and several buffer mechanisms are provided;

[0007] The pressing mechanism includes a bracket fixedly connected to the top of the base. A sliding rod is fixedly connected between the bottom of the bracket and the base. A movable plate is slidably connected to the sliding rod. Several fixed blocks are fixedly connected to the bottom of the movable plate. Fixed plates are fixedly connected to the bottom of the several fixed blocks. The buffer mechanism includes a bidirectional hinge block fixedly connected to the bottom of the fixed plate. Two hinge rods are hinged on the side of the bidirectional hinge block away from the fixed plate.

[0008] Furthermore, a mold is fixedly connected to the top of the base, and a threaded rod is rotatably connected between the bottom of the bracket and the base. The top of the threaded rod extends out of the bracket, and the threaded rod is threadedly connected to the movable plate.

[0009] Furthermore, a motor ring is fixedly connected to the top of the bracket, a motor is fixedly connected to the inner wall of the motor ring, and the output shaft of the motor is fixedly connected to a threaded rod via a coupling.

[0010] Furthermore, a plurality of extrusion heads are fixedly connected to the bottom of the fixed plate, and the plurality of extrusion heads are adapted to the mold.

[0011] Furthermore, a buffer plate is provided on the side of the two hinge rods away from the bidirectional hinge block, and a trapezoidal groove is formed on the buffer plate.

[0012] Furthermore, a second sliding rod is fixedly connected between the front inner wall and the rear inner wall of the trapezoidal slide groove. Two hinge blocks are slidably connected to the inner wall of the trapezoidal slide groove. Both hinge blocks are slidably connected to the second sliding rod. The sides of the two hinge rods that are far apart from each other are respectively hinged to the two hinge blocks.

[0013] Furthermore, the outer wall of the slide rod is fitted with two springs. The sides of the two springs that are far apart from each other are fixedly connected to the trapezoidal slide groove, and the sides of the two springs that are close to each other are fixedly connected to two hinge blocks respectively.

[0014] This utility model has the following beneficial effects:

[0015] 1. By setting up a buffer mechanism, the fixed plate moves two hinge rods through a two-way hinge block. At this time, the two hinge rods move the buffer plate downward through the two hinge blocks, so that the buffer plate contacts the mold. When the fixed plate continues to press downward, it will press the buffer plate. At this time, the two hinge rods rotate on the two-way hinge block, causing the two hinge blocks to move away from each other, thereby pressing the spring. The spring generates elastic force to slow down the pressing speed and prevent the speed and pressing force from being too large, which could damage the mold. After the material is pressed and formed, the motor will drive the fixed plate to rise through the threaded rod. Under the action of the motor ring elastic force, the two hinge rods drive the two hinge blocks to reset. This allows the impact force to be absorbed and buffered at the moment the mold contacts the blank through its own elastic deformation or damping effect, thereby reducing the impact load on various parts of the equipment, reducing the probability of fatigue damage, loose parts and other failures caused by long-term impact, and extending the service life of the equipment.

[0016] 2. By setting up a pressing mechanism and starting the motor, the motor drives the moving plate to slide downward on the slide rod through the threaded rod. At this time, the moving plate drives the extrusion head on the fixed plate to extrude the mold through the fixed block, thereby extruding the material in the mold into shape. This allows a cold heading or stamping operation to be completed in a short time, and then the mold can be quickly reset to prepare for the next operation, thereby improving production efficiency, avoiding excessive or insufficient deformation, and ensuring the quality and performance stability of the screw.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a partial cross-sectional view of the pressing mechanism of this utility model;

[0021] Figure 3 This is a partial structural schematic diagram of the buffer mechanism of this utility model;

[0022] Figure 4 This is a partial cross-sectional view of the buffer mechanism of this utility model;

[0023] Figure 5 This utility model Figure 4 A magnified structural diagram of A in the diagram.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Base; 111. Mold; 2. Pressing mechanism; 211. Bracket; 212. Slide rod one; 213. Moving plate; 214. Fixing block; 215. Fixing plate; 216. Threaded rod; 217. Motor ring; 218. Motor; 219. Extrusion head; 3. Buffer mechanism; 311. Two-way hinge block; 312. Hinge rod; 313. Buffer plate; 314. Trapezoidal slide groove; 315. Slide rod two; 316. Hinge block; 317. Spring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-5As shown, this utility model is a multi-station screw cold heading forming stamping machine, including a base 1. A pressing mechanism 2 and several buffer mechanisms 3 are provided on the base 1. The pressing mechanism 2 includes a bracket 211 fixedly connected to the top of the base 1. A sliding rod 212 is fixedly connected between the bottom of the bracket 211 and the base 1. A moving plate 213 is slidably connected to the sliding rod 212. Several fixing blocks 214 are fixedly connected to the bottom of the moving plate 213. Fixing plates 215 are fixedly connected to the bottom of the fixing blocks 214. A mold 111 is fixedly connected to the top of the base 1. A threaded rod 216 is rotatably connected between the bottom of the bracket 211 and the base 1. The top of the threaded rod 216 extends... Outside the bracket 211, the threaded rod 216 is threadedly connected to the moving plate 213. A motor ring 217 is fixedly connected to the top of the bracket 211, and a motor 218 is fixedly connected to the inner wall of the motor ring 217. The output shaft of the motor 218 is fixedly connected to the threaded rod 216 through a coupling. Several extrusion heads 219 are fixedly connected to the bottom of the fixed plate 215. The extrusion heads 219 are adapted to the mold 111. By setting the pressing mechanism 2, a cold heading or stamping operation can be completed in a short time, and then quickly reset to prepare for the next operation, thereby improving production efficiency, avoiding excessive or insufficient deformation, and ensuring the quality and performance stability of the screw.

[0028] The buffer mechanism 3 includes a bidirectional hinge block 311 fixedly connected to the bottom of the fixed plate 215. Two hinge rods 312 are hinged to the side of the bidirectional hinge block 311 away from the fixed plate 215. A buffer plate 313 is provided on the side of the two hinge rods 312 away from the bidirectional hinge block 311. A trapezoidal groove 314 is formed on the buffer plate 313. A second slide rod 315 is fixedly connected between the front and rear inner walls of the trapezoidal groove 314. Two hinge blocks 316 are slidably connected to the inner wall of the trapezoidal groove 314. Both hinge blocks 316 are slidably connected to the second slide rod 315. The two hinge rods 312 are located on opposite sides. The slide rod 315 is hinged to two hinge blocks 316 respectively. Two springs 317 are sleeved on the outer wall of the slide rod 315. The two springs 317 are fixedly connected to the trapezoidal slide groove 314 on the side that is far apart from each other, and fixedly connected to the two hinge blocks 316 on the side that is close to each other. By setting the buffer mechanism 3, it is possible to absorb and buffer part of the impact force at the moment when the mold and the blank come into contact, through its own elastic deformation or damping action, thereby reducing the impact load on various parts of the equipment, reducing the probability of fatigue damage, loose parts and other failures caused by long-term impact, and extending the service life of the equipment.

[0029] A specific application of this embodiment is as follows: During use, the required material is placed into the mold 111, and then the motor 218 is started. The motor 218 drives the moving plate 213 to slide downwards on the slide rod 212 via the threaded rod 216. At this time, the moving plate 213 drives the extrusion head 219 on the fixed plate 215 to extrude the mold 111 via the fixed block 214, thereby extruding the material inside the mold 111 into shape. When the fixed plate 215 extrudes, the fixed plate 215 drives the two hinge rods 312 to move via the bidirectional hinge block 311. At this time, the two hinge rods 312 drive the buffer plate 313 downwards via the two hinge blocks 316. The movement causes the buffer plate 313 to contact the mold 111. When the fixed plate 215 continues to press downward, it will press the buffer plate 313. At this time, the two hinge rods 312 rotate on the bidirectional hinge block 311, causing the two hinge blocks 316 to move away from each other, thereby pressing the spring 317. The spring 317 generates elastic force to slow down the pressing speed and prevent the speed and pressing force from being too large, which could damage the mold 111. After the material is pressed and formed, the motor 218 will drive the fixed plate 215 to rise through the threaded rod 216. Under the action of the elastic force of the motor ring 217, the two hinge rods 312 will drive the two hinge blocks 316 to reset.

[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-station screw cold heading forming press, characterized in that: Includes a base (1), on which a pressing mechanism (2) and several buffer mechanisms (3) are provided; The pressing mechanism (2) includes a bracket (211) fixedly connected to the top of the base (1). A sliding rod (212) is fixedly connected between the bottom of the bracket (211) and the base (1). A movable plate (213) is slidably connected to the sliding rod (212). Several fixed blocks (214) are fixedly connected to the bottom of the movable plate (213). Fixed plates (215) are fixedly connected to the bottom of the several fixed blocks (214). The buffer mechanism (3) includes a bidirectional hinge block (311) fixedly connected to the bottom of the fixed plate (215). Two hinge rods (312) are hinged on the side of the bidirectional hinge block (311) away from the fixed plate (215).

2. The multi-station screw cold heading forming press according to claim 1, characterized in that, The top of the base (1) is fixedly connected to a mold (111), and the bottom of the bracket (211) is rotatably connected to the base (1) by a threaded rod (216). The top of the threaded rod (216) extends to the outside of the bracket (211), and the threaded rod (216) is threadedly connected to the moving plate (213).

3. The multi-station screw cold heading stamping machine according to claim 2, characterized in that, The top of the bracket (211) is fixedly connected to a motor ring (217), and the inner wall of the motor ring (217) is fixedly connected to a motor (218). The output shaft of the motor (218) is fixedly connected to a threaded rod (216) through a coupling.

4. The multi-station screw cold heading stamping machine according to claim 3, characterized in that, The bottom of the fixed plate (215) is fixedly connected with a plurality of extrusion heads (219), and the plurality of extrusion heads (219) are adapted to the mold (111).

5. The multi-station screw cold heading stamping machine according to claim 4, characterized in that, A buffer plate (313) is provided on the side of the two hinge rods (312) away from the bidirectional hinge block (311), and a trapezoidal groove (314) is provided on the buffer plate (313).

6. The multi-station screw cold heading stamping machine according to claim 5, characterized in that, A slide rod two (315) is fixedly connected between the front inner wall and the rear inner wall of the trapezoidal slide groove (314). Two hinge blocks (316) are slidably connected to the inner wall of the trapezoidal slide groove (314). Both hinge blocks (316) are slidably connected to the slide rod two (315). The two hinge rods (312) are hinged to the two hinge blocks (316) on their respective sides.

7. The multi-station screw cold heading stamping machine according to claim 6, characterized in that, The outer wall of the slide bar 2 (315) is fitted with two springs (317). The two springs (317) are fixedly connected to the trapezoidal slide groove (314) on the side that is far apart from each other, and the two springs (317) are fixedly connected to the two hinge blocks (316) on the side that is close to each other.

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