Metal round pipe cutting die

Abstract

The utility model discloses a metal round pipe cutting die, which relates to the technical field of round pipe cutting dies, and adopts the technical scheme that the metal round pipe cutting die comprises a lower die, a plurality of column sleeves are fixedly arranged at the top of the lower die, a fixed die and a fixed plate are fixedly arranged at the top of the lower die, a movable die is arranged on one side of the fixed die, and die cutting grooves are formed in the fixed die and the movable die; the metal round pipe cutting die has the beneficial effects that the upper die moves downwards to enable the rolling shaft fixing plate to move downwards, the rolling shaft fixing plate moves to extrude the movable die to slide leftwards through a bottom oblique angle, and a metal round pipe body is clamped and fixed in cooperation with the movable die; and meanwhile, when the upper die continues to move downwards, the cutter penetrates through the die cutting groove to conduct stamping cutting on the metal circular pipe body, the circular pipe die core is located in the metal circular pipe body, meanwhile, the circular pipe die core is located on the side face of the die cutting groove, and therefore the metal circular pipe body cannot deform due to extrusion when the cutter conducts stamping cutting on the metal circular pipe body.

Description

Technical Field

[0001] The utility model relates to the technical field of round tube cutting dies, in particular to a metal round tube cutting die. Background Art

[0002] Steel pipes with a ratio of outer diameter to wall thickness greater than 20 are called thin-walled steel pipes. Thin-walled steel pipes are all made by cold drawing. Carbon steel, low alloy steel, and alloy steel thin-walled pipes are suitable for general structures and mechanical structures; thin-walled fluid steel pipes are used to transport general fluids; stainless steel thin-walled pipes are used for industrial heat-resistant containers, conveying pipelines, and mechanical structures in the chemical, petroleum, light industry, food, mechanical instruments, and other industries.

[0003] The existing thin-walled steel pipe has a hollow structure inside. When the steel pipe is punched and cut by a die, it is easy for the steel pipe to be compressed and deformed during cutting. Therefore, a metal round pipe cutting die is needed, which can not only punch and cut the steel pipe but also prevent the steel pipe from being squeezed and deformed. Utility Model Content

[0004] To this end, the utility model provides a metal round tube cutting die, which solves the problem of preventing the steel tube from being squeezed and deformed when punching and cutting the steel tube by inserting a die core into the center of the steel tube to be cut.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal round tube cutting mold, including a lower mold, a plurality of column sleeves are fixedly provided on the top of the lower mold, a fixed mold and a fixed plate are fixedly provided on the top of the lower mold, a movable mold is provided on one side of the fixed mold, and die-cutting grooves are provided inside the fixed mold and the movable mold, a plurality of connecting columns are fixedly provided on one side of the fixed plate, a plurality of connecting holes are provided on one side of the movable mold, an upper mold is fixedly provided on the top of the lower mold, a plurality of guide columns are fixedly provided on the bottom of the upper mold, a cutter and a roller fixing plate are fixedly provided on the bottom of the upper mold, and a cutting mold core assembly is provided on one side of the lower mold.

[0006] Preferably, the cutting mold core assembly includes a fixed seat, a blanking groove is provided inside the fixed seat, an electric push rod is fixedly provided on the top of the fixed seat, a push plate is fixedly provided on the output end of the electric push rod, a round tube mold core is fixedly provided on one side of the push plate, two through holes are provided inside the push plate, fixed blocks are fixedly provided on both sides of the electric push rod, push rods are fixedly provided on one side of the two fixed blocks, and a metal round tube body is sleeved on the outside of the round tube mold core.

[0007] Preferably, the connecting post extends into the connecting hole and is slidably connected to the connecting hole.

[0008] Preferably, the guide column extends into the column sleeve and is slidably connected to the column sleeve, and a spring is provided on the guide column and the outer sleeve of the column sleeve, the top of the spring is fixedly connected to the upper mold, and the bottom of the spring is fixedly connected to the lower mold.

[0009] Preferably, the cutting knife is aligned with the die-cutting groove, and the cutting knife is slidably connected to the die-cutting groove.

[0010] Preferably, a plurality of balls are embedded on one side of the roller fixing plate, the plurality of rollers are rollingly connected to the movable mold, and the movable mold is arranged at the top of the lower mold and is slidingly connected to the top of the lower mold.

[0011] Preferably, the metal round tube body is arranged between the fixed mold and the movable mold, and the metal round tube body is sleeved on the outside of the round tube mold core and is slidably connected to the round tube mold core.

[0012] Preferably, the push rod is aligned with the through hole, and the push rod is slidably connected to the through hole.

[0013] The utility model embodiment has the following advantages:

[0014] 1. The upper die moves downward to move the roller fixing plate downward, and the roller fixing plate moves to slide to the left through the bottom angled extrusion movable die, and cooperates with the movable die to clamp and fix the metal round tube body. At the same time, when the upper die continues to move downward, the cutter passes through the die-cutting groove so that the cutter punches and cuts the metal round tube body. Since the round tube die core is inside the metal round tube body and at the side of the die-cutting groove, the metal round tube body will not be deformed due to extrusion when the cutter punches and cuts the metal round tube body.

[0015] 2. After the stamping and cutting are completed, the upper die moves upward to open the die, and the electric push rod is started. The electric push rod drives the push plate to move toward the electric push rod through the output end. The push plate moves through the round tube mold core to bring out the cut part of the metal round tube body, and the push rod is inserted into the through hole during movement to push down the metal round tube body on the outside of the round tube mold core, so as to facilitate material cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1 The main stereogram provided by the utility model;

[0019] Figure 2 A rear perspective view provided by the utility model;

[0020] Figure 3 A rear-view partial exploded stereogram provided by the utility model;

[0021] Figure 4 A three-dimensional diagram of the connection relationship between the fixed mold and the movable mold provided by the utility model;

[0022] Figure 5 This is a three-dimensional diagram of the connection relationship at the round tube mold core provided by the utility model.

[0023] In the figure: 1 lower die, 2 column sleeve, 3 fixed die, 4 movable die, 5 die cutting groove, 6 fixed plate, 7 connecting column, 8 connecting hole, 9 upper die, 10 guide column, 11 cutter, 12 spring, 13 roller fixing plate, 14 metal round tube body, 15 fixing seat, 16 blanking chute, 17 electric push rod, 18 push plate, 19 round tube mold core, 20 through hole, fixing block, 22 push rod. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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 creative work are within the scope of protection of the present invention.

[0025] See attached Figure 1 -Attached Figure 5The utility model provides a metal round tube cutting die, including a lower die 1, a plurality of column sleeves 2 are fixedly arranged on the top of the lower die 1, a fixed die 3 and a fixed plate 6 are fixedly arranged on the top of the lower die 1, a movable die 4 is arranged on one side of the fixed die 3, and a die cutting groove 5 is opened inside the fixed die 3 and the movable die 4, a plurality of connecting columns 7 are fixedly arranged on one side of the fixed plate 6, a plurality of connecting holes 8 are opened on one side of the movable die 4, an upper die 9 is fixedly arranged on the top of the lower die 1, a plurality of guide columns 10 are fixedly arranged on the bottom of the upper die 9, a cutter 11 and a roller fixing plate 13 are fixedly arranged on the bottom of the upper die 9, and a cutting die core assembly is arranged on one side of the lower die 1;

[0026] In this embodiment, in order to prevent the metal round tube body 14 from being deformed when cutting the metal round tube body 14, the upper mold 9 is moved downward to move the roller fixing plate 13 downward, and the roller fixing plate 13 moves to slide to the left through the bottom bevel extrusion movable mold 4, and cooperates with the movable mold 4 to clamp and fix the metal round tube body 14. At the same time, when the upper mold 9 continues to move downward, the cutter 11 passes through the die cutting groove 5 so that the cutter 11 punches and cuts the metal round tube body 14. Since the round tube mold core 19 is inside the metal round tube body 14 and the round tube mold core 19 is on the side of the die cutting groove 5, the metal round tube body 14 will not be deformed due to extrusion when the cutter 11 punches and cuts the metal round tube body 14.

[0027] Among them, in order to facilitate the cutting of the metal round tube for blanking, the device adopts the following technical solutions: the cutting mold core assembly includes a fixed seat 15, a blanking groove 16 is opened inside the fixed seat 15, an electric push rod 17 is fixed on the top of the fixed seat 15, a push plate 18 is fixed on the output end of the electric push rod 17, a round tube mold core 19 is fixed on one side of the push plate 18, two through holes 20 are opened inside the push plate 18, fixed blocks 21 are fixed on both sides of the electric push rod 17, push rods 22 are fixed on one side of the two fixed blocks 21, and the round tube mold core The outer sleeve of 19 is provided with a metal round tube body 14, and the push rod 22 is aligned with the through hole 20, and the push rod 22 is slidably connected with the through hole 20. After the punching and cutting are completed, the upper mold 9 moves upward to open the mold, and the electric push rod 17 is started. The electric push rod 17 drives the push plate 18 to move toward the electric push rod 17 through the output end. The push plate 18 moves through the round tube mold core 19 to bring out the cut part of the metal round tube body 14, and the push rod 22 is inserted into the through hole 20 during the movement, and the metal round tube body 14 sleeved on the outside of the round tube mold core 19 is pushed down, so as to facilitate the material discharge;

[0028] Among them, in order to prevent the die cutting groove 5 of the fixed mold 3 and the movable mold 4 from being misaligned, the device adopts the following technical solutions: the connecting column 7 extends into the connecting hole 8 and is slidably connected to the connecting hole 8, a plurality of balls are embedded on one side of the roller fixing plate 13, a plurality of rollers are rollingly connected to the movable mold 4, the movable mold 4 is arranged on the top of the lower mold 1 and is slidably connected to the top of the lower mold 1, the upper mold 9 moves downward to make the roller fixing plate 13 move downward, the roller fixing plate 13 moves through the bottom oblique angle to extrude the movable mold 4 to slide to the left, and cooperates with the movable mold 4 to clamp and fix the metal round tube body 14, and the cooperation between the connecting column 7 and the connecting hole 8 prevents the die cutting groove 5 in the fixed mold 3 and the movable mold 4 from being misaligned;

[0029] Among them, in order to prevent the cutter 11 from being misaligned with the die-cutting groove 5, the device is implemented by the following technical scheme: the guide column 10 extends into the interior of the column sleeve 2 and is slidably connected with the column sleeve 2, the guide column 10 and the outer sleeve of the column sleeve 2 are provided with a spring 12, the top of the spring 12 is fixedly connected to the upper mold 9, and the bottom of the spring 12 is fixedly connected to the lower mold 1, the cutter 11 is aligned with the die-cutting groove 5, the cutter 11 is slidably connected with the die-cutting groove 5, the metal round tube body 14 is arranged between the fixed mold 3 and the movable mold 4, the metal round tube body 14 is sleeved on the outside of the round tube mold core 19 and is slidably connected to the round tube mold core 19, the upper mold 9 cooperates with the column sleeve 2 at the top of the lower mold 1 through the guide column 10 at the bottom, to prevent the upper mold 9 from moving so that the cutter 11 and the die-cutting groove 5 are misaligned, so that the cutter 11 can be inserted into the die-cutting groove 5 to punch and cut the metal round tube body 14 in the fixed mold 3 and the movable mold 4.

[0030] The use process of the utility model is as follows: when using the utility model, an external power supply is connected, the lower mold 1 and the upper mold 9 are connected to the press to control the opening and closing of the lower mold 1 and the upper mold 9. When the metal round tube body 14 needs to be punched and cut, the metal round tube body 14 is inserted between the fixed mold 3 and the movable mold 4 and the metal round tube body 14 is sleeved on the outside of the round tube mold core 19, and the upper mold 9 moves downward to close the mold, and the upper mold 9 moves downward to make the roller fixing plate 13 move downward, and the roller fixing plate 13 moves through the bottom oblique angle to squeeze the movable mold 4 to slide to the left, and the movable mold 4 is used to clamp and fix the metal round tube body 14, and the die cutting groove 5 in the fixed mold 3 and the movable mold 4 is prevented from being misaligned through the cooperation of the connecting column 7 and the connecting hole 8. At the same time, when the upper mold 9 continues to move downward, The cutter 11 passes through the die-cutting groove 5 so that the cutter 11 punches and cuts the metal round tube body 14. Since the round tube mold core 19 is inside the metal round tube body 14 and the round tube mold core 19 is on the side of the die-cutting groove 5, the metal round tube body 14 will not be deformed due to extrusion when the cutter 11 punches and cuts the metal round tube body 14. After the punching and cutting is completed, the upper mold 9 is moved upward to open the mold, and the electric push rod 17 is started. The electric push rod 17 drives the push plate 18 to move toward the electric push rod 17 through the output end. The push plate 18 moves through the round tube mold core 19 to bring out the cut part of the metal round tube body 14, and the push rod 22 is inserted into the through hole 20 during the movement to push down the metal round tube body 14 outside the round tube mold core 19, so as to facilitate the blanking.

[0031] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A metal round tube cutting die, comprising a lower die (1), characterized in that: A plurality of column sleeves (2) are fixedly provided on the top of the lower mold (1), a fixed mold (3) and a fixed plate (6) are fixedly provided on the top of the lower mold (1), a movable mold (4) is provided on one side of the fixed mold (3), a die cutting groove (5) is provided inside the fixed mold (3) and the movable mold (4), a plurality of connecting columns (7) are fixedly provided on one side of the fixed plate (6), a plurality of connecting holes (8) are provided on one side of the movable mold (4), an upper mold (9) is fixedly provided on the top of the lower mold (1), a plurality of guide columns (10) are fixedly provided on the bottom of the upper mold (9), a cutter (11) and a roller fixing plate (13) are fixedly provided on the bottom of the upper mold (9), and a cutting mold core assembly is provided on one side of the lower mold (1).

2. A metal round tube cutting die according to claim 1, characterized in that: The cutting mold core assembly comprises a fixed seat (15), a blanking trough (16) is provided inside the fixed seat (15), an electric push rod (17) is fixedly provided on the top of the fixed seat (15), a push plate (18) is fixedly provided on the output end of the electric push rod (17), a round tube mold core (19) is fixedly provided on one side of the push plate (18), two through holes (20) are provided inside the push plate (18), fixed blocks (21) are fixedly provided on both sides of the electric push rod (17), push rods (22) are fixedly provided on one side of the two fixed blocks (21), and a metal round tube body (14) is sleeved on the outside of the round tube mold core (19).

3. A metal round tube cutting die according to claim 1, characterized in that: The connecting column (7) extends into the connecting hole (8) and is slidably connected to the connecting hole (8).

4. The metal round tube cutting die according to claim 1, characterized in that: The guide column (10) extends into the interior of the column sleeve (2) and is slidably connected to the column sleeve (2); a spring (12) is provided on the exterior of the guide column (10) and the column sleeve (2); the top of the spring (12) is fixedly connected to the upper mold (9); and the bottom of the spring (12) is fixedly connected to the lower mold (1).

5. The metal round tube cutting die according to claim 1, characterized in that: The cutting knife (11) is aligned with the die-cutting groove (5), and the cutting knife (11) is slidably connected to the die-cutting groove (5).

6. The metal round tube cutting die according to claim 1, characterized in that: A plurality of balls are embedded on one side of the roller fixing plate (13), and the plurality of rollers are rollingly connected to the movable mold (4). The movable mold (4) is arranged on the top of the lower mold (1) and is slidably connected to the top of the lower mold (1).

7. The metal round tube cutting die according to claim 2, characterized in that: The metal round tube body (14) is arranged between the fixed mold (3) and the movable mold (4); the metal round tube body (14) is sleeved on the outside of the round tube mold core (19) and is slidably connected to the round tube mold core (19).

8. The metal round tube cutting die according to claim 2, characterized in that: The push rod (22) is aligned with the through hole (20), and the push rod (22) is slidably connected to the through hole (20).

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