Feeding mechanism of cold header

Abstract

The utility model discloses a feeding mechanism of a cold header, which belongs to the technical field of cold headers and is characterized in that a support frame is arranged at the top end of a worktable and is provided with a sliding groove opening, a straight plate is fixed at the bottom end of the worktable through a straight rod, a clamping mechanism is arranged on the support frame and is provided with two straight groove openings, and a first sliding rod is fixed at the bottom end of the support frame; a first round pipe is movably connected to the side face of the first stand column. A bearing is fixed to the top end of the straight plate, a rotating rod is connected to the bearing, a rotating disc is fixed to the other end of the rotating rod, a second stand column is fixed to the edge of the top end of the rotating disc, and a plurality of first racks are fixed to the side arc of the second stand column. The side face of the second stand column is movably connected with a second round pipe, the second round pipe and the first round pipe pass through a driving rod, a first driving motor is fixed to the bottom end of the workbench, and the output end of the first driving motor is connected with a plurality of first gears in meshing transmission with the first racks. The feeding mechanism of the cold header is used, operation is easy and efficient, the whole feeding process is stable, and the requirements of enterprises are met.

Description

Technical Field

[0001] The utility model relates to the technical field of cold heading machines, in particular to a feeding mechanism of a cold heading machine. Background Art

[0002] According to the theory of metal plastic deformation, a certain pressure is applied to the metal blank at room temperature to cause it to plastically deform in the mold cavity and be formed into the specified shape and size. High-quality metal materials with good "plastic deformation", such as rivet screw steel, must be selected. Its chemical composition and mechanical properties have strict standards. There are many models and series of cold heading bolt and nut forming machines. The equipment has reliable performance, high efficiency, stable product quality, large product forming forging force, and high power configuration. The equipment has a large initial investment. Therefore, the production specifications below M24 are the most economical, with good surface quality and high dimensional accuracy. Due to the existence of cold work hardening in the forging process, the deformation should not be too large to reduce cracking. The cold heading process is applicable to large-scale products of various specifications, so as to reduce costs.

[0003] At present, the feeding mechanism of the cold heading machine has a complex structure, is not simple and efficient to operate, and the feeding process is not stable enough. Therefore, it is urgent to design a new feeding mechanism of the cold heading machine to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a feeding mechanism for a cold heading machine, so as to solve the problems that the feeding mechanism of the existing cold heading machine has a complex structure, resulting in insufficient simplicity and efficiency in operation and insufficient stability in the feeding process.

[0005] The top of the workbench is provided with a support frame and a slide groove opening, and the bottom end is fixed with a straight plate by a straight rod, and the support frame is provided with a clamping mechanism and has two straight groove openings and a first slide bar fixed to its bottom end, the first slide bar is slidably connected to the slide groove opening and a first column is fixed to its bottom end, a first round tube is movably connected to the side surface of the first column, a bearing is fixed to the top of the straight plate, and a rotating rod is connected to the bearing, and a turntable is fixed at the other end of the rotating rod, a second column is fixed on the top edge of the turntable and a plurality of first racks are fixed on its side arc, the second column is movably connected to the second round tube on the side surface, and the second round tube and the first round tube are connected by a driving rod;

[0006] A first driving motor is fixed at the bottom end of the workbench, and an output end of the first driving motor is connected to a first gear that meshes with a plurality of the first racks for transmission.

[0007] Optionally, the clamping mechanism includes two clamping plates, a disc and a second drive motor, the disc is located on the top surface of the inner part of the support frame and has two oblique slots on its top, and several second racks are opened on the side arc, the two clamping plates are located on the top of the support frame and have second sliding rods fixed on their bottom ends, the second sliding rods pass through the straight slots and the oblique slots in turn and are slidably connected to them, the second drive motor is fixed on the bottom surface of the inner part of the support frame, and its output end is connected to a second gear that meshes with the several second racks for transmission.

[0008] Optionally, a limiting block is fixed to the other end of the two second sliding rods.

[0009] Optionally, two side panels are fixed to the top of the support frame, the outer sides of the two clamps are respectively connected to the two side panels through two telescopic rods, and the inner sides are fixed with two clamping blocks through two connecting rods, and several of the clamping blocks have V-shaped grooves on their inner sides.

[0010] Optionally, two guide rods are provided at the top of the workbench, and both ends of the two guide rods are fixedly connected to the workbench through fixed blocks. Straight rods are fixed on both sides of the support frame, and guide tubes are fixed at the other ends of the two straight rods. The two guide tubes are respectively slidably connected to the two guide rods.

[0011] Optionally, pillars are fixed to the four corners of the bottom end of the workbench.

[0012] The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the feeding mechanism of the cold heading machine provided by the utility model;

[0014] Figure 2 This is a top view of the feeding mechanism of the cold heading machine provided by the utility model;

[0015] Figure 3 yes Figure 2 Middle AA section view. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0019] The utility model provides a feeding mechanism of a cold heading machine, the structure of which is as follows Figures 1 to 3As shown, it includes a workbench 1, a support frame 2 is provided at the top of the workbench 1 and a slide groove 3 is opened, a straight plate 8 is fixed to the bottom through a straight rod 7, a clamping mechanism is provided on the support frame 2 and two straight grooves 18 are opened, and a first slide bar 4 is fixed to its bottom end, the first slide bar 4 is slidably connected to the slide groove 3 and a first column 5 is fixed to its bottom end, a first column 5 is movably connected to the side of the first column 5 with a first round tube 6, a bearing 9 is fixed to the top of the straight plate 8, a rotating rod 10 is connected to the bearing 9, a turntable 11 is fixed to the other end of the rotating rod 10, a second column 13 is fixed to the top edge of the turntable 11 and a second column 13 is fixed on its side arc There are several first racks 12, and the second column 13 is movably connected to the side of the second round tube 14. The second round tube 14 and the first round tube 6 are connected by a drive rod 15. The bottom end of the workbench 1 is fixed with a first drive motor 16, and its output end is connected to a first gear 17 that meshes with the several first racks 12. The output end of the first drive motor 16 drives the first gear 17 to mesh with the several first racks 12, so that the turntable 11 drives one end of the drive rod 15 to rotate. At this time, the other end of the drive rod 15 drives the support frame 2 back and forth through the first slide bar 4 for rapid loading. The feeding mechanism of the cold heading machine is simple and efficient to operate, and the entire feeding process is relatively stable, meeting the needs of the enterprise.

[0020] Specifically, the clamping mechanism includes two clamping plates 19, a disc 21 and a second driving motor 24. The disc 21 is located on the top surface of the inner part of the support frame 2 and has two oblique slots 23 on its top end, and several second racks 22 on the side arc. The two clamping plates 19 are located on the top end of the support frame 2 and have second slide bars 20 fixed on their bottom ends. The second slide bars 20 pass through the straight slots 18 and the oblique slots 23 in turn and are slidably connected thereto. The second driving motor 24 is fixed to the bottom surface of the inner part of the support frame 2, and its output end is connected to a second gear 25 that meshes with the several second racks 22 for transmission. The second gear 25 is driven by the output end of the second driving motor 24 to mesh with the several second racks 22 for transmission, so that the disc 21 rotates. At this time, under the limit of the two oblique slots 23, the two second slide bars 20 both drive the clamping plates 19 to move inward to clamp the workpiece.

[0021] Furthermore, a limit block 26 is fixed to the other end of the two second sliding bars 20 , which is used to support the rotation of the disc 21 and prevent the second sliding bars 20 from falling off the inclined slot 23 .

[0022] Furthermore, two side panels 30 are fixed to the top of the support frame 2. The outer sides of the two clamps 19 are connected to the two side panels 30 through two telescopic rods 31 respectively, and the inner sides are fixed with two clamping blocks 28 through two connecting rods 27. Several clamping blocks 28 have V-shaped grooves 29 on their inner sides to provide better clamping effect.

[0023] Furthermore, two guide rods 33 are provided at the top of the workbench 1, and both ends of the two guide rods 33 are fixedly connected to the workbench 1 through fixed blocks 32. Straight rods 34 are fixed on both sides of the support frame 2, and guide tubes 35 are fixed at the other ends of the two straight rods 34. The two guide tubes 35 are respectively slidably connected to the two guide rods 33, and are used to drive the support frame 2 to move horizontally and linearly without deviation.

[0024] Furthermore, columns 36 are fixed at the four corners of the bottom end of the workbench 1.

[0025] The working principle of the present utility model is as follows: first, the workpiece is placed on the support frame 2 and located between the two clamps 19, and then the second drive motor 24 is started, and its output end drives the second gear 25 to engage with a plurality of second racks 22 to transmit so that the disc 21 rotates. At this time, under the limit of the two inclined slots 23, the two second slide bars 20 both drive the clamps 19 to move inward to clamp the workpiece, and then the first drive motor 16 is started, and its output end drives the first gear 17 to engage with a plurality of first racks 12 to transmit so that the turntable 11 drives one end of the drive rod 15 to rotate, and finally the other end of the drive rod 15 drives the support frame 2 to move back and forth through the first slide bar 4 for fast loading.

[0026] The above description is only a description of the preferred embodiment of the present invention and does not limit the scope of the present invention. Any changes and modifications made by ordinary technicians in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A feeding mechanism of a cold heading machine, comprising a workbench (1), characterized in that: The workbench (1) is provided with a support frame (2) at the top and has a slide groove (3), and a straight plate (8) is fixed to the bottom through a straight rod (7), the support frame (2) is provided with a clamping mechanism and has two straight grooves (18) and a first slide bar (4) is fixed to the bottom end thereof, the first slide bar (4) is slidably connected to the slide groove (3) and a first column (5) is fixed to the bottom end thereof, the first column (5) is movably connected to the first circular tube (6) on the side, a bearing (9) is fixed to the top of the straight plate (8), a rotating rod (10) is connected to the bearing (9), a turntable (11) is fixed to the other end of the rotating rod (10), a second column (13) is fixed to the top edge of the turntable (11) and a plurality of first racks (12) are fixed on the side arc thereof, the second column (13) is movably connected to the side of the second circular tube (14), and the second circular tube (14) and the first circular tube (6) are connected through a driving rod (15); A first driving motor (16) is fixed to the bottom end of the workbench (1), and an output end thereof is connected to a first gear (17) that meshes with a plurality of the first racks (12) for transmission.

2. The feeding mechanism of the cold heading machine according to claim 1, characterized in that: The clamping mechanism comprises two clamping plates (19), a disc (21) and a second driving motor (24); the disc (21) is located on the inner top surface of the support frame (2) and has two oblique slots (23) on its top, and a plurality of second racks (22) on its side arc; the two clamping plates (19) are located on the top of the support frame (2) and have second slide bars (20) fixed on their bottom ends; the second slide bars (20) pass through the straight slots (18) and the oblique slots (23) in sequence and are slidably connected thereto; the second driving motor (24) is fixed to the inner bottom surface of the support frame (2), and its output end is connected to a second gear (25) meshing with the plurality of second racks (22) for transmission.

3. The feeding mechanism of the cold heading machine according to claim 2, characterized in that: The other ends of the two second sliding rods (20) are fixed with limiting blocks (26).

4. The feeding mechanism of the cold heading machine according to claim 2, characterized in that: Two side plates (30) are fixed to the top of the support frame (2). The outer sides of the two clamping plates (19) are respectively connected to the two side plates (30) through two telescopic rods (31). The inner sides of the two clamping blocks (28) are fixed through two connecting rods (27). A plurality of the clamping blocks (28) have V-shaped grooves (29) on their inner sides.

5. The feeding mechanism of the cold heading machine according to claim 1, characterized in that: Two guide rods (33) are provided at the top of the workbench (1), and both ends of the two guide rods (33) are fixedly connected to the workbench (1) through fixed blocks (32). Straight rods (34) are fixed on both sides of the support frame (2), and guide tubes (35) are fixed at the other ends of the two straight rods (34). The two guide tubes (35) are respectively slidably connected to the two guide rods (33).

6. The feeding mechanism of the cold heading machine according to claim 1, characterized in that: Four corners at the bottom of the workbench (1) are all fixed with upright posts (36).

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