Multi-station cold header

Abstract

The utility model discloses a multi-station cold header, which belongs to the technical field of cold headers and comprises a cold header main body, a first motor is arranged on one side of the cold header main body, an output shaft of the first motor is provided with a rotating block by penetrating through the cold header main body, and the inner wall of the rotating block is fixedly connected with a linkage rod. And one side of the linkage rod is fixedly connected with an L-shaped seat. According to the multi-station cold header, the first motor, the rotating block, the L-shaped seat and the sliding barrel are arranged, along with rotation of the L-shaped seat, the rotating shaft is driven to rotate between the L-shaped seat and the linkage seat, so that the L-shaped seat drives the linkage seat to slide outside the connecting rod, the linkage seat pushes the connecting rod and the sliding barrel to slide outside the sliding rod, and then the sliding seat outside the sliding barrel is driven to drive the stamping block to move horizontally; and the sliding seat drives the metal blank clamped in the mounting bracket to move together, so that the metal blank on the stamping block moves to different stamping heads for machining, the moving stability of the stamping block is improved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cold header technical field, concretely is a kind of multi-station cold header. BACKGROUND

[0002] Cold header is a kind of special equipment for batch production nut, bolt and other fasteners. It is by the certain pressure to metal blank at normal temperature, make it in the cavity produce plastic deformation, according to the shape and size forming. Multi-station cold header is a kind of special equipment for manufacturing fastener and special-shaped part, by cold heading process to metal blank at normal temperature, make it in the cavity produce plastic deformation, according to the shape and size forming. This equipment usually has multiple stations, can complete multiple processes in one operation, such as cutting, ball pressing, angle pressing, punching, forming and the like, to improve production efficiency and product quality, the existing multi-station cold header is not stable when driving metal blank to move stamping, leading to deviation when moving metal blank, leading to misregistration when stamping block and stamping head stamping, easy to produce defective products, seriously affect production quality. CONTENT OF UTILITY MODEL

[0003] In order to overcome the above-mentioned defects, the utility model provides a kind of multi-station cold header, solve the multi-station cold header when driving metal blank to move stamping, not stable, leading to deviation when moving metal blank, leading to misregistration when stamping block and stamping head stamping, easy to produce defective products, seriously affect production quality problem.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of multi-station cold header, including cold header main body, the first motor is arranged at the side of the cold header main body, the first motor output shaft is installed with rotating block by passing through cold header main body, the inner wall of rotating block is fixedly connected with linkage rod, the side of linkage rod is fixedly connected with L-shaped seat, the side of L-shaped seat is rotatably connected with rotating shaft, the side of rotating shaft is provided with linkage seat, the inner wall of linkage seat is slidably connected with connecting rod, the one end of connecting rod is fixedly connected with limit post, the end away from limit post of connecting rod is installed with sliding cylinder, the outer fixed connection of sliding cylinder is slidably connected with sliding seat, the side of sliding seat is provided with three stamping blocks.

[0005] As a further scheme of the utility model: the inner wall of the cold header main body is fixedly connected with two mounting blocks, and a sliding rod is installed between the two mounting blocks, and the sliding rod is slidably connected with the inner wall of the sliding cylinder.

[0006] As a further scheme of the utility model: two mounting brackets are provided on the sliding seat, a first electric telescopic rod is installed on the mounting bracket, and a same lifting frame is provided below the two first electric telescopic rods.

[0007] As a further scheme of the utility model: three second motors are fixedly connected on one side of the lifting frame, a double-threaded rod is installed on the output shaft of each second motor, the double-threaded rod is rotatably connected with the lifting frame, and three limiting rods are installed inside the lifting frame.

[0008] As a further scheme of the utility model: the double-threaded rod is externally screwed with two clamping plates, and the clamping plates are slidably connected with the limiting rods.

[0009] As a further scheme of the utility model: a feeding port is formed in the cold header body, a second electric telescopic rod is fixedly connected on one side of the cold header body, a punching head is installed on one side of the second electric telescopic rod, the punching head corresponds to the punching block in position, and a collecting box is slidably connected to the inner bottom of the cold header body.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The multi-station cold header, through the first motor, the rotating block, the L-shaped seat and the sliding cylinder, the first motor drives the rotating block to rotate through the output shaft, the linkage rod in the rotating block drives the L-shaped seat to rotate, the L-shaped seat drives the rotating shaft to rotate between the L-shaped seat and the linkage seat, the L-shaped seat drives the linkage seat to slide outside the connecting rod, the linkage seat drives the connecting rod and the sliding cylinder to slide outside the sliding rod, the sliding seat outside the sliding cylinder drives the punching block to move horizontally, the sliding seat drives the metal blank clamped in the mounting bracket to move, the metal blank on the punching block is moved to different punching heads for processing, the stability of the punching block movement is improved, and the working efficiency is improved.

[0012] 2. The multi-station cold header, through the second motor, the first electric telescopic rod, the clamping plate and the mounting bracket, the lifting frame is driven to move through the first electric telescopic rod, so that the three second motors are driven to move at the same time, the second motor drives the double-threaded rod to rotate in the lifting frame, the double-threaded rod can drive the clamping plate to move relatively, so that the metal blank is clamped and fixed, different specifications of metal blanks are clamped, the mounting bracket is fixedly connected with the sliding seat, and the metal blank moves more stably. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a sectional structure schematic view of the cold header body and the first motor of the utility model;

[0015] Fig. 3 It is a sectional structure schematic view of the sliding seat and the lifting frame of the utility model;

[0016] In the figure: 1, cold header main body; 2, first motor; 3, rotating block; 4, linkage rod; 5, L-shaped seat; 6, rotating shaft; 7, linkage seat; 8, connecting rod; 9, limiting column; 10, sliding cylinder; 11, mounting block; 12, sliding rod; 13, sliding seat; 14, stamping block; 15, mounting bracket; 16, first electric telescopic rod; 17, lifting frame; 18, second motor; 19, two-way threaded rod; 20, limiting rod; 21, clamping plate; 22, feed inlet; 23, second electric telescopic rod; 24, stamping head; 25, collection box. DETAILED DESCRIPTION

[0017] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0018] As Figs. 1-3 shown, the utility model provides a kind of technical scheme: a multi-station cold header, including cold header main body 1, two mounting blocks 11 are fixedly connected in the inner wall of cold header main body 1, sliding rod 12 is installed between two mounting blocks 11, and sliding rod 12 is slidably connected with the inner wall of sliding cylinder 10, by being provided with sliding rod 12, sliding rod 12 can limit sliding cylinder 10, so that sliding cylinder 10 can move horizontally in the limitation of sliding rod 12, to facilitate sliding cylinder 10 to move together with sliding seat 13;

[0019] Feeding inlet 22 is formed in cold header main body 1, second electric telescopic rod 23 is fixedly connected on one side of cold header main body 1, stamping head 24 is installed on one side of second electric telescopic rod 23, and stamping head 24 corresponds to the position of stamping block 14, and collection box 25 is slidably connected to the inner bottom of cold header main body 1, by being provided with collection box 25, collection box 25 can concentrate the collection of processed parts, to facilitate subsequent unified handling of parts;

[0020] First motor 2 is provided on one side of cold header main body 1, rotating block 3 is installed on the output shaft of first motor 2 by penetrating cold header main body 1, linkage rod 4 is fixedly connected on the inner wall of rotating block 3, L-shaped seat 5 is fixedly connected on one side of linkage rod 4, rotating shaft 6 is rotatably connected on one side of L-shaped seat 5, linkage seat 7 is provided on one side of rotating shaft 6, connecting rod 8 is slidably connected on the inner wall of linkage seat 7, and limiting column 9 is fixedly connected on one end of connecting rod 8, by being provided with limiting column 9, when L-shaped seat 5 drives linkage seat 7 to slide outside connecting rod 8, limiting column 9 can limit linkage seat 7, to avoid linkage seat 7 from being out of connecting rod 8, so as to improve the stability of linkage seat 7 when sliding outside connecting rod 8;

[0021] The slide cylinder 10 is fixedly connected with a sliding seat 13, the sliding seat 13 is provided with three stamping blocks 14 on one side, two mounting brackets 15 are arranged on the sliding seat 13, a first electric telescopic rod 16 is arranged on the mounting bracket 15, and a lifting frame 17 is arranged below the two first electric telescopic rods 16.

[0022] The lifting frame 17 is fixedly connected with three second motors 18, a bidirectional screw rod 19 is arranged on the output shaft of each second motor 18, the bidirectional screw rod 19 is rotatably connected with the lifting frame 17, three limiting rods 20 are arranged in the lifting frame 17, and two clamping plates 21 are arranged in external threads on the bidirectional screw rod 19.

[0023] The working principle of the utility model is as follows:

[0024] When in use, the metal blank enters the cold header main body 1 through the feeding port 22, the second motor 18 drives the bidirectional screw rod 19 to relatively move the clamping plate 21, so that the metal blank is clamped and fixed, then the first motor 2 drives the rotating block 3 to rotate, the linkage rod 4 drives the L-shaped seat 5 to rotate together with the rotating block 3, the L-shaped seat 5 drives the linkage seat 7 to slide on the connecting rod 8 when rotating, the linkage seat 7 is driven to slide on the surface of the connecting rod 8 by the rotating shaft 6, the connecting rod 8 is driven to move left and right with the linkage seat 7, the slide cylinder 10 on the connecting rod 8 is driven to slide on the slide rod 12, so that the sliding seat 13 is driven to push the metal blank, different stamping heads 24 are used to stamp the metal blank, the metal blank is released from the clamping plate 21 by the second motor 18, so that the metal blank is dropped into the collecting box 25, and the stamping of the metal blank is completed.

[0025] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "installation", "connection", "connect" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through the specific circumstances.

[0026] The above-mentioned preferred embodiments of the patent are described in detail, but the patent is not limited to the above-mentioned embodiments, within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the patent.

Claims

1. A multi-station cold header comprising a cold header body (1), characterized in that: The cold header body (1) is provided with a first motor (2) on one side, the output shaft of the first motor (2) is provided with a rotating block (3) through the cold header body (1), the inner wall of the rotating block (3) is fixedly connected with a linkage rod (4), one side of the linkage rod (4) is fixedly connected with an L-shaped seat (5), the L-shaped seat (5) is rotatably connected with a rotating shaft (6) on one side, the rotating shaft (6) is provided with a linkage seat (7) on one side, the linkage seat (7) is slidably connected with a connecting rod (8), one end of the connecting rod (8) is fixedly connected with a limiting column (9), the connecting rod (8) is provided with a sliding cylinder (10) on the side away from the limiting column (9), the sliding cylinder (10) is fixedly connected with a sliding seat (13) outside, the sliding seat (13) is provided with three stamping blocks (14) on one side.

2. A multi-station cold header as defined in claim 1, characterized in that: The cold header body (1) is fixedly connected with two mounting blocks (11) on the inner wall, and a sliding rod (12) is installed between the two mounting blocks (11), and the sliding rod (12) is slidably connected with the inner wall of the sliding cylinder (10).

3. A multi-station cold header as defined in claim 1, characterized in that: Two mounting brackets (15) are arranged on the sliding seat (13), a first electric telescopic rod (16) is installed on the mounting bracket (15), and a same lifting frame (17) is arranged below the two first electric telescopic rods (16).

4. A multi-station cold header as defined in claim 3, characterized in that: Three second motors (18) are fixedly connected on one side of the lifting frame (17), a bidirectional screw rod (19) is installed on the output shaft of each second motor (18), the bidirectional screw rod (19) is rotatably connected with the lifting frame (17), and three limiting rods (20) are installed in the lifting frame (17).

5. A multi-station cold header as defined in claim 4, characterized in that: Two clamping plates (21) are threadedly connected with the outer thread of the bidirectional screw rod (19), and the clamping plates (21) are slidably connected with the limiting rods (20).

6. A multi-station cold header as defined in claim 1, characterized in that: A feeding port (22) is formed in the cold header body (1), a second electric telescopic rod (23) is fixedly connected on one side of the cold header body (1), a stamping head (24) is installed on one side of the second electric telescopic rod (23), the stamping head (24) corresponds in position to the stamping block (14), and a collecting box (25) is slidably connected to the inner bottom of the cold header body (1).

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