Automatic cold drawing machine for high-performance stainless steel pipe

Abstract

The utility model provides an automatic cold-drawing machine for a high-performance stainless steel pipe, which comprises a machine base, a cylinder seat, a die seat and a tail seat are uniformly distributed and fixedly mounted on the machine base, the die seat is positioned between the cylinder seat and the tail seat, and a stabilizing frame is fixedly mounted among the cylinder seat, the die seat and the tail seat; a drawing mechanism is fixedly mounted at one end of the base, and a core mold pushing mechanism is fixedly mounted at the other end of the base; a combined core mold is detachably and fixedly mounted at the output end of the core mold pushing mechanism; through the arrangement of the core mold, when the specification of the core mold needs to be increased, only the hollow T-shaped core mold II and the hollow T-shaped core mold III need to be sequentially overlapped and mounted on the basis of the main T-shaped core mold I, and a disassembly step is not needed; when the specification of the core mold needs to be reduced, the hollow T-shaped core mold III and the hollow T-shaped core mold II only need to be sequentially detached on the basis of the main T-shaped core mold I, and the mounting step is not needed; in this way, when the core mold is replaced, the installation steps can be effectively reduced, and therefore the whole device is more efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of stainless steel pipe production and processing, and particularly relates to an automatic cold-drawing machine for high-performance stainless steel pipes. BACKGROUND

[0002] The automatic cold-drawing machine controls the machine manually or automatically, makes a metal blank pass through a series of pressing and stretching processes of a die, thereby reducing the cross-sectional area of the metal blank, improving the surface finish, and improving the strength, hardness and other properties of the material, so as to achieve the purpose of precision cold working. This processing method does not need to heat the metal material, so the temperature is low during the processing, and is therefore called cold drawing.

[0003] However, the existing automatic cold-drawing machine for high-performance stainless steel pipes needs to first dismount the original core die and then replace it with the required core die when the core die is replaced, which wastes a lot of time during the dismounting and mounting process and thus affects the processing efficiency.

[0004] Therefore, it is necessary to invent an automatic cold-drawing machine for high-performance stainless steel pipes. SUMMARY

[0005] To solve the above technical problems, the utility model provides an automatic cold-drawing machine for high-performance stainless steel pipes, which comprises a machine base, a cylinder seat, a die seat and a tail seat are fixedly installed on the machine base in a uniform manner, the die seat is between the cylinder seat and the tail seat, a stabilizing frame is fixedly installed between the cylinder seat, the die seat and the tail seat, a drawing mechanism is fixedly installed at one end of the machine base, a core die pushing mechanism is fixedly installed at the other end of the machine base, a combined core die is detachably fixedly installed at the output end of the core die pushing mechanism.

[0006] Preferably, a plurality of pipe unloading mechanisms are fixedly installed on one side of the machine base and are uniformly arranged between the cylinder seat and the die seat, and a plurality of pipe supporting mechanisms are fixedly installed on the other side of the machine base and are uniformly arranged between the die seat and the tail seat.

[0007] Preferably, the core die comprises a main T-shaped core die one, a hollow T-shaped core die two and a hollow T-shaped core die three, the main T-shaped core die one is fixedly and detachably connected with the output end of the core die pushing mechanism, the hollow T-shaped core die two is detachably installed outside the main T-shaped core die one, and the hollow T-shaped core die three is detachably installed outside the hollow T-shaped core die two.

[0008] Preferably, the hollow T-shaped core mold two and the hollow T-shaped core mold three are uniformly distributed with a plurality of bolts on the small port through threaded installation, and the other end of the bolt passes out from the large port of the corresponding hollow T-shaped core mold two and the hollow T-shaped core mold three; the hollow T-shaped core mold two is detachably fixedly connected between the main T-shaped core mold one and the bolt; the hollow T-shaped core mold three is detachably fixedly connected between the hollow T-shaped core mold two and the bolt.

[0009] Preferably, a plurality of bolt corresponding thread holes are uniformly distributed on the large port of the main T-shaped core mold one and the hollow T-shaped core mold two; the thread hole on the main T-shaped core mold one is fixedly connected with the bolt on the hollow T-shaped core mold two; the thread hole on the hollow T-shaped core mold two is fixedly connected with the bolt on the hollow T-shaped core mold three.

[0010] Preferably, the drawing mechanism comprises a front support base, a drawing hydraulic cylinder and a drawing trolley, and the drawing hydraulic cylinder is detachably fixedly installed on the front support base, and the output end of the drawing hydraulic cylinder slidably extends out of the cylinder base; the output end of the drawing hydraulic cylinder is fixedly installed with the drawing trolley, and the drawing trolley is between the cylinder base and the mold base, and the drawing trolley is slidably connected with the guide rail on the machine base; the shell of the drawing hydraulic cylinder is detachably fixedly connected with the cylinder base; the pipe unloading mechanism is between the two guide rails, and the pipe unloading mechanism is below the drawing trolley.

[0011] Preferably, the core mold pushing mechanism comprises a rear support base and a core mold pushing hydraulic cylinder, and the core mold pushing hydraulic cylinder is detachably fixedly installed on the rear support base, and the output end of the core mold pushing hydraulic cylinder slidably extends out of the tailstock; the shell of the core mold pushing hydraulic cylinder is detachably fixedly connected with the tailstock; the main T-shaped core mold one is detachably fixedly connected with the output end of the core mold pushing hydraulic cylinder; the pipe supporting mechanism is below the core mold pushing hydraulic cylinder and the core mold.

[0012] Preferably, the pipe unloading mechanism comprises an electric push rod one and an unloading plate, and the output end of the electric push rod one is fixedly connected with the bottom surface of the unloading plate, and the electric push rod one is fixedly installed on the machine base; the unloading plate is between the two guide rails, and the unloading plate is below the drawing trolley.

[0013] Preferably, the pipe supporting mechanism comprises an electric push rod two and a steel pipe supporting plate, and the output end of the electric push rod two is fixedly connected with the bottom surface of the steel pipe supporting plate, and the electric push rod two is fixedly installed on the machine base; the steel pipe supporting plate is below the core mold pushing hydraulic cylinder and the core mold.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The utility model discloses a core mould is provided with the hollow T type core mould two and hollow T type core mould three, when needing to increase the specification of core mould, only need to install hollow T type core mould two and hollow T type core mould three on the basis of main T type core mould one in proper order, need not dismounting step, when needing to reduce the specification of core mould, only need to remove hollow T type core mould three and hollow T type core mould two on the basis of main T type core mould one in proper order, need not installation step, in this way, when replacing core mould, can effectively reduce installation step, thereby make whole more efficient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model.

[0017] Figure 2 It is the core mould push hydraulic cylinder and core mould structure schematic diagram of the utility model.

[0018] Figure 3 It is the core mould explosion structure schematic diagram of the utility model.

[0019] Figure 4 It is the core mould full section structure schematic diagram of the utility model.

[0020] In the drawing:

[0021] Machine base 1, cylinder seat 2, mould seat 3, tail seat 4, front support seat 5, rear support seat 6, drawing hydraulic cylinder 7, core mould push hydraulic cylinder 8, drawing trolley 9, guide rail 10, stabilizing frame 11, electric push rod one 12, unloading plate 13, electric push rod two 14, steel pipe support plate 15, main T type core mould one 16, hollow T type core mould two 17, hollow T type core mould three 18, bolt 19, screw hole 20. DETAILED DESCRIPTION

[0022] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below, obviously, the described embodiment only is the embodiment of part of the utility model, is not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person of ordinary skill in the art obtains under the premise of not making the creative labor, should belong to the scope of the utility model protection.

[0023] The utility model will be further described below in connection with the drawings: EMBODIMENT

[0024] As shown in the accompanying drawings Figure 1 To the accompanying Figure 4 As shown:

[0025] The utility model provides a kind of high-performance automatic cold-drawing machine for stainless steel pipe, including base 1, cylinder seat 2, die holder 3 and tail seat 4 are fixedly installed with uniform distribution on base 1, and die holder 3 is between cylinder seat 2 and tail seat 4, and stabilizing frame 11 is fixedly installed between the cylinder seat 2, die holder 3 and tail seat 4, to ensure the stability in overall operation process by stabilizing frame 11;Base 1 one end is fixedly installed with drawing mechanism, to carry out drawing to stainless steel pipe by die holder 3, and base 1 other end is fixedly installed with core mold pushing mechanism, to push core mold into stainless steel pipe inside;The output end of core mold pushing mechanism is detachably fixedly installed with combined core mold, to flexibly combine into required core mold according to the specification of stainless steel pipe;

[0026] Base 1 one side is fixedly installed with several pipe material unloading mechanisms, to unload the stainless steel pipe drawn from base 1 by pipe material unloading mechanism, and pipe material unloading mechanism is uniformly distributed between cylinder seat 2 and die holder 3;Base 1 other side is fixedly installed with several pipe material supporting mechanisms, to support the stainless steel pipe needing drawing by pipe material supporting mechanism, to make core mold penetrate into stainless steel pipe inside, and pipe material supporting mechanism is uniformly distributed between die holder 3 and tail seat 4.

[0027] Core mold includes main T-shaped core mold one 16, hollow T-shaped core mold two 17 and hollow T-shaped core mold three 18;Main T-shaped core mold one 16 is fixedly detachably connected with the output end of core mold pushing mechanism;Hollow T-shaped core mold two 17 is detachably installed outside main T-shaped core mold one 16;Hollow T-shaped core mold three 18 is detachably installed outside hollow T-shaped core mold two 17;Through the setting between main T-shaped core mold one 16, hollow T-shaped core mold two 17 and hollow T-shaped core mold three 18, can be flexibly combined according to the specification of stainless steel pipe;

[0028] It should be noted that the inner diameter of the large end of hollow T-shaped core mold two 17 is greater than the diameter of the large end of main T-shaped core mold one 16, and the inner diameter of the small end of hollow T-shaped core mold two 17 is less than the diameter of the large end of main T-shaped core mold one 16, and the inner diameter of the small end of hollow T-shaped core mold two 17 is greater than the diameter of the small end of main T-shaped core mold one 16;

[0029] The inner diameter of the large end of hollow T-shaped core mold three 18 is greater than the diameter of the large end of hollow T-shaped core mold two 17, and the inner diameter of the small end of hollow T-shaped core mold three 18 is less than the diameter of the large end of hollow T-shaped core mold two 17, and the inner diameter of the small end of hollow T-shaped core mold three 18 is greater than the diameter of the small end of hollow T-shaped core mold two 17.

[0030] The hollow T-shaped core mold two 17 and the hollow T-shaped core mold three 18 are uniformly arranged with a plurality of bolts 19 through threaded installation from the small ports, and the other ends of the bolts 19 pass out from the large ports of the corresponding hollow T-shaped core mold two 17 and the hollow T-shaped core mold three 18; the hollow T-shaped core mold two 17 is detachably fixedly connected between the main T-shaped core mold one 16 and the bolt 19; the hollow T-shaped core mold three 18 is detachably fixedly connected between the hollow T-shaped core mold two 17 and the bolt 19; a plurality of wire holes 20 corresponding to the bolts 19 are uniformly arranged on the large ports of the main T-shaped core mold one 16 and the hollow T-shaped core mold two 17; the wire hole 20 on the main T-shaped core mold one 16 is fixedly connected with the bolt 19 on the hollow T-shaped core mold two 17; the wire hole 20 on the hollow T-shaped core mold two 17 is fixedly connected with the bolt 19 on the hollow T-shaped core mold three 18; through the arrangement of the bolt 19 and the wire hole 20, the hollow T-shaped core mold two 17 and the hollow T-shaped core mold three 18 can be sequentially and individually disassembled, and the hollow T-shaped core mold two 17 and the hollow T-shaped core mold three 18 can also be simultaneously disassembled.

[0031] In the embodiment, when it is necessary to increase the size of the core mold, the hollow T-shaped core mold two 17 is sleeved and installed on the main T-shaped core mold one 16 through the bolt 19, and then the hollow T-shaped core mold three 18 is sleeved and installed on the hollow T-shaped core mold two 17 through the bolt 19;

[0032] When it is necessary to reduce the size of the core mold, the bolt 19 on the hollow T-shaped core mold three 18 is loosened, so that the bolt 19 on the hollow T-shaped core mold three 18 is separated from the wire hole 20 on the hollow T-shaped core mold two 17, and then the hollow T-shaped core mold three 18 is individually removed from the hollow T-shaped core mold two 17; then the bolt 19 on the hollow T-shaped core mold two 17 is loosened, so that the bolt 19 on the hollow T-shaped core mold two 17 is separated from the wire hole 20 on the main T-shaped core mold one 16, and then the hollow T-shaped core mold two 17 is individually removed from the main T-shaped core mold one 16;

[0033] When it is necessary to simultaneously remove the hollow T-shaped core mold three 18 and the hollow T-shaped core mold two 17, the bolt 19 on the hollow T-shaped core mold two 17 is individually loosened, so that the bolt 19 is separated from the wire hole 20 on the main T-shaped core mold one 16, and then the hollow T-shaped core mold three 18 and the hollow T-shaped core mold two 17 are simultaneously removed from the main T-shaped core mold one 16.

[0034] The technical scheme disclosed in the utility model, or a similar technical scheme designed by a person skilled in the art based on the technical scheme of the utility model, can achieve the above technical effects, and thus falls within the protection scope of the utility model.

Claims

1. An automated cold-drawing machine for high-performance stainless steel tubes, characterized by the fact that: The utility model provides a pipe drawing device, including frame (1), frame (1) evenly fixed mounting have cylinder seat (2), mould seat (3) and tailstock (4), and mould seat (3) is between cylinder seat (2) and tailstock (4), and fixed mounting has stabilizer (11) between cylinder seat (2), mould seat (3) and tailstock (4);Frame (1) one end fixed mounting has drawing mechanism, and frame (1) other end fixed mounting has core mould push mechanism;The output of core mould push mechanism is detachably fixed mounting has combined core mould; Frame (1) one side fixed mounting has a plurality of pipe unloading mechanism, and pipe unloading mechanism evenly is between cylinder seat (2) and mould seat (3);Frame (1) other side fixed mounting has a plurality of pipe support mechanism, and pipe support mechanism evenly is between mould seat (3) and tailstock (4).

2. The automatic cold-drawing machine for high-performance stainless steel pipes according to claim 1, characterized in that: The core mould includes main T type core mould one (16), hollow T type core mould two (17) and hollow T type core mould three (18);The main T type core mould one (16) is fixed with the output of core mould push mechanism detachable fixed connection;The hollow T type core mould two (17) is detachably installed outside the main T type core mould one (16);The hollow T type core mould three (18) is detachably installed outside the hollow T type core mould two (17).

3. The automatic cold-drawing machine for high-performance stainless steel pipes according to claim 1, characterized in that: The drawing mechanism includes front support seat (5), drawing hydraulic cylinder (7) and drawing trolley (9), and drawing hydraulic cylinder (7) is detachably fixed on front support seat (5), and the output of drawing hydraulic cylinder (7) is slidably extended from cylinder seat (2);The output of drawing hydraulic cylinder (7) is fixed with drawing trolley (9), and drawing trolley (9) is between cylinder seat (2) and mould seat (3), and drawing trolley (9) is slidably connected with the guide rail (10) on frame (1);The shell of drawing hydraulic cylinder (7) is detachably connected with cylinder seat (2);The pipe unloading mechanism is between two guide rails (10), and the pipe unloading mechanism is below drawing trolley (9).

4. The automatic cold-drawing machine for high-performance stainless steel pipes as claimed in claim 2, wherein: The core mould push mechanism includes rear support seat (6) and core mould push hydraulic cylinder (8), and core mould push hydraulic cylinder (8) is detachably fixed on rear support seat (6), and the output of core mould push hydraulic cylinder (8) is slidably extended from tailstock (4);The shell of core mould push hydraulic cylinder (8) is detachably connected with tailstock (4);The main T type core mould one (16) is detachably connected with the output of core mould push hydraulic cylinder (8);The pipe support mechanism is below core mould push hydraulic cylinder (8) and core mould.

5. The automatic cold-drawing machine for high-performance stainless steel pipes as claimed in claim 3, wherein: The pipe unloading mechanism includes electric push rod one (12) and unloading plate (13), and the output of electric push rod one (12) is fixedly connected with the bottom surface of unloading plate (13), and electric push rod one (12) is fixedly installed on frame (1);The unloading plate (13) is between one guide rail (10), and the unloading plate (13) is below drawing trolley (9).

6. The automatic cold-drawing machine for high-performance stainless steel pipes as claimed in claim 4, wherein: The pipe supporting mechanism comprises an electric push rod two (14) and a steel pipe supporting plate (15), and the output end of the electric push rod two (14) is fixedly connected with the bottom surface of the steel pipe supporting plate (15), and the electric push rod two (14) is fixedly installed on the machine base (1); the steel pipe supporting plate (15) is below the core mold pushing hydraulic cylinder (8) and the core mold.

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