Metal cutting die

Abstract

The utility model discloses a metal cutting die, which relates to the technical field of metal processing, and comprises a top seat and a bottom seat, a lower die plate is detachably mounted above the bottom seat, a lower backing plate is fixedly mounted above the lower die plate, a cutting plate is detachably mounted above the lower die plate, a cutting knife is detachably mounted above the cutting plate, and the cutting knife is fixedly mounted above the lower backing plate. Hydraulic equipment is fixedly connected to the top of the top base, an upper die plate is detachably installed below the top, a pressing plate is arranged below the upper die plate and movably connected with the upper die plate, four inserting holes are formed in the top of the lower die plate, and the four inserting openings are formed in the four corners of the top of the lower die plate. According to the multi-position cutting device, a workpiece can be flattened, so that the stress of the cut workpiece is more uniform, the condition that the workpiece is damaged is avoided, multiple positions of a single workpiece can be cut at the same time, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of metal processing, specifically relates to a metal cutting die. BACKGROUND

[0002] Metal cutting is a process involving various techniques and tools, mainly used to cut metal materials into specific shapes and sizes according to requirements.

[0003] There are various metal cutting equipment and cutters on the market, such as full-automatic numerical control hydraulic steel bar straightening and cutting machines, numerical control steel bar sawing machines, and slot cutting blades, to meet different cutting requirements and precision requirements.

[0004] The existing cutting die is prone to edge lifting and even breakage during the cutting process of the metal, as the two sides of the fracture are subjected to upward pressure. INVENTION CONTENTS

[0005] The utility model provides a metal cutting die to solve the technical problems in the above background.

[0006] To solve the above technical problems, the utility model provides a metal cutting die, which comprises a top seat and a bottom seat, a lower die plate is detachably installed above the bottom seat, a lower gasket is fixedly installed above the lower die plate, a cutting plate is detachably installed above the lower die plate, a cutting knife is detachably installed above the cutting plate, a hydraulic device is fixedly connected to the top of the top seat, an upper die plate is detachably installed below the top, a pressing plate is arranged below the upper die plate, the pressing plate is movably connected to the upper die plate, a plug hole is formed in the top of the lower die plate, four plug holes are arranged at the four corners of the top of the lower die plate, a stand is fixedly installed below the upper die plate, the stand corresponds to the plug hole, and the stand is slidably connected to the plug hole.

[0007] Preferably, a buffer rod is fixedly installed at the bottom of the upper die plate, the buffer rod has four buffer rods, the four buffer rods are arranged below the upper die plate, the buffer rod is T-shaped, a pressing plate is sleeved on the buffer rod, the pressing plate is slidably connected to the buffer rod, a buffer spring is sleeved on the buffer rod, the buffer spring is fixedly connected to the upper die plate at the top, and the buffer spring is fixedly connected to the pressing plate below.

[0008] Preferably, the cutting knife has a plurality of cutting knives, the plurality of cutting knives are symmetrically arranged, and a knife groove is formed in the corresponding position of the pressing plate and the cutting knife.

[0009] Preferably, the cutting knife is in the shape of a table, and the shape of the knife groove is consistent with that of the cutting knife.

[0010] Preferably, the cutting knife bottom is fixedly installed with limiting rods, the limiting rods are provided with a plurality of limiting rods, the plurality of limiting rods are symmetrically arranged, limiting holes are formed above the cutting plate, and the limiting rods are clamped in the limiting holes.

[0011] Preferably, the limiting rods have the same outer diameter as the inner diameter of the limiting holes, that is, the limiting rods and the limiting holes are in transition fit.

[0012] Preferably, clamping grooves are formed below the top seat and above the base, clamping blocks are fixedly installed on the top of the upper die plate and the bottom of the lower die plate, and the clamping blocks are slidingly installed in the clamping grooves.

[0013] Preferably, the clamping blocks are in the shape of bosses, the clamping grooves are consistent with the shape of the clamping blocks, and the clamping blocks and the clamping grooves are in transition fit.

[0014] Compared with the prior art, the metal cutting die has the following advantages:

[0015] 1. The metal cutting die has the following advantages: the limiting rods below the cutting knife are inserted into the limiting holes, the limiting rods and the limiting holes are in transition fit, so that the cutting knife can be fixed on the cutting plate, the position of the workpiece to be cut is placed on the cutting knife, the top seat is driven downward by the upper die plate, the pressure plate is driven to extrude the workpiece, the bottom of the workpiece is in contact with the cutting knife, the cutting knife cuts the workpiece, and the cutting knife and the knife groove are clamped after cutting, the workpiece can be flattened on both sides of the pressure plate, so that the cutting workpiece is more uniformly stressed, and the workpiece is prevented from being damaged.

[0016] 2. The metal cutting die has the following advantages: the cutting knife is provided with a plurality of cutting knives, and the plurality of cutting knives are arranged at equal intervals, the cutting interval of the cutting knife can be adjusted by setting different numbers of cutting knives and the positions of the cutting knives, and thus a plurality of positions of a single workpiece can be simultaneously cut, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural diagram of the metal cutting die;

[0018] Figure 2 is a structural diagram of the top seat in the metal cutting die;

[0019] Figure 3 is a bottom view of the top seat in the metal cutting die;

[0020] Figure 4 is a structural diagram of the base in the metal cutting die;

[0021] The figure label: 1, top seat; 2, base; 3, upper die plate; 4, lower die plate; 5, column; 6, pressing plate; 7, buffer spring; 8, buffer rod; 9, cutting plate; 10, knife groove; 11, clamping groove; 12, limiting rod; 13, cutting knife; 14, limiting hole; 15, insertion hole; 16, clamping block. DETAILED DESCRIPTION

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: a metal cutting die, including top seat 1 and base 2, the upper detachable installation of base 2 has lower die plate 4, lower die plate 4 upper fixed mounting lower backing pad, the upper detachable installation of lower die plate 4 has cutting plate 9, cutting plate 9 upper detachable installation has cutting knife 13, top seat 1 top fixed connection hydraulic equipment, top below detachable installation upper die plate 3, the lower die plate 3 below is equipped with pressing plate 6, and pressing plate 6 is movably connected with upper die plate 3, the top of lower die plate 4 is provided with insertion hole 15, and insertion hole 15 is equipped with four, and four insertion holes are arranged at the top of lower die plate 4 four corners, and the lower die plate 3 below fixed mounting column 5, and column 5 corresponds with insertion hole 15, and column 5 is slidably connected with insertion hole 15.

[0023] Further, the bottom of upper die plate 3 is fixedly installed with buffer rod 8, the buffer rod 8 is provided with four, four buffer rods 8 are arranged below upper die plate 3, the buffer rod 8 is T-shaped, the pressing plate 6 is sleeved on the buffer rod 8, the pressing plate 6 is slidably connected with the buffer rod 8, the buffer spring 7 is sleeved on the buffer rod 8, the top of buffer spring 7 is fixedly connected with upper die plate 3, and the bottom of buffer spring 7 is fixedly connected with pressing plate 6.

[0024] Further, the cutting knife 13 is provided with a plurality of, and the plurality of cutting knives 13 are symmetrically arranged, and the pressing plate 6 is provided with a knife groove 10 at the corresponding position of the cutting knife 13.

[0025] Further, the cutting knife 13 is in the form of a table, and the knife groove 10 is consistent with the shape of the cutting knife 13.

[0026] Further, the bottom of cutting knife 13 is fixedly installed with limiting rod 12, the limiting rod 12 is provided with a plurality of, and the plurality of limiting rods are symmetrically arranged, the upper cutting plate 9 is provided with limiting hole 14, and the limiting rod 12 is clamped in the limiting hole 14.

[0027] Further, the limiting rod 12 outer diameter is consistent with the limiting hole 14 inner diameter, that is, the limiting rod 12 is transitionally matched with the limiting hole 14.

[0028] Further, the top seat 1 below and the base 2 top are both provided with clamping groove 11, the top of upper die plate 3 and the bottom of lower die plate 4 are both fixedly installed with clamping block 16, and the clamping block 16 is slidably installed in the clamping groove 11.

[0029] Further, the clamping block 16 is in the form of a boss, the clamping groove 11 is consistent with the shape of the clamping block 16, and the clamping block 16 is transitionally matched with the clamping groove 11.

[0030] Working principle:

[0031] In use, the limiting rod 12 below the cutting knife 13 is inserted into the limiting hole 14, the limiting rod 12 and the limiting hole 14 are in excess fit, so that the cutting knife 13 can be fixed on the cutting plate 9, the position of the workpiece to be cut is placed on the cutting knife 13, the top seat 1 is pushed by the external hydraulic equipment, the top seat 1 drives the upper template 3 to move downward, thereby driving the pressing plate 6 to extrude the workpiece, the bottom of the workpiece is in contact with the cutting knife 13, the cutting knife 13 cuts the workpiece, and the cutting knife 13 after cutting is clamped with the knife groove 10, the workpiece can be flattened on both sides of the pressing plate 6, so that the cutting workpiece is more uniform in stress, avoiding the damage of the workpiece, by providing multiple cutting knives 13, and multiple cutting knives 13 are arranged at equal intervals, by setting different numbers of cutting knives 13 and the positions of the cutting knives 13, the cutting interval of the cutting knife 13 can be adjusted, and then multiple positions of a single workpiece can be cut at the same time, improving the production efficiency.

Claims

1. A metal-cutting die comprising a top seat (1) and a bottom seat (2), characterized in that: The base (2) is detachably mounted with a lower mold plate (4), the lower mold plate (4) is fixedly installed with a lower backing plate, the lower mold plate (4) is detachably installed with a cutting plate (9), the cutting plate (9) is detachably installed with a cutting knife (13), the top of the top base (1) is fixedly connected with a hydraulic device, the top is detachably installed with an upper mold plate (3), the lower mold plate (3) is provided with a pressing plate (6), the pressing plate (6) is movably connected with the upper mold plate (3), the top of the lower mold plate (4) is provided with a jack (15), the jack (15) is provided with four, four said jack is arranged at the top of the lower mold plate (4) four corners, the lower mold plate (3) is fixedly installed with a column (5), the column (5) corresponds to the jack (15), and the column (5) is slidably connected with the jack (15).

2. A metal cutting die as claimed in claim 1, wherein, The bottom of the upper mold plate (3) is fixedly installed with a buffer rod (8), the buffer rod (8) is provided with four, four said buffer rod (8) is arranged below the upper mold plate (3), the buffer rod (8) is T-shaped, the buffer rod (8) is sleeved with a pressing plate (6), the pressing plate (6) is slidably connected with the buffer rod (8), the buffer rod (8) is sleeved with a buffer spring (7), the buffer spring (7) is fixedly connected with the upper mold plate (3), and the buffer spring (7) is fixedly connected with the pressing plate (6).

3. A metal cutting die as defined in claim 1, wherein The cutting knife (13) is provided with a plurality of, a plurality of said cutting knife (13) is symmetrically arranged, the pressing plate (6) is provided with a knife groove (10) at the corresponding position of the cutting knife (13).

4. A metal cutting die as claimed in claim 3, wherein The cutting knife (13) is in the form of a table, and the knife groove (10) is consistent with the shape of the cutting knife (13).

5. A metal cutting die as defined in claim 1, wherein The bottom of the cutting knife (13) is fixedly installed with a limiting rod (12), the limiting rod (12) is provided with a plurality of, a plurality of said limiting rod is symmetrically arranged, the cutting plate (9) is provided with a limiting hole (14) above, and the limiting rod (12) is clamped in the limiting hole (14).

6. A metal cutting die as claimed in claim 5, wherein, The outer diameter of the limiting rod (12) is consistent with the inner diameter of the limiting hole (14), that is, the limiting rod (12) is in transition fit with the limiting hole (14).

7. A metal cutting die as defined in claim 1, wherein The bottom of the top base (1) and the top of the base (2) are both provided with a clamping groove (11), the top of the upper mold plate (3) and the bottom of the lower mold plate (4) are both fixedly installed with a clamping block (16), and the clamping block (16) is slidably installed in the clamping groove (11).

8. A metal cutting die as defined in claim 7, wherein The clamping block (16) is in the form of a boss, the clamping groove (11) is consistent with the shape of the clamping block (16), and the clamping block (16) is in transition fit with the clamping groove (11).

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