阅读说明：本技术 一种红冲切断装置 (Red die cutting device ) 是由 王灵春 郏正秋 于 2018-09-07 设计创作，主要内容包括：本发明涉及一种红冲切断装置,包括工作台,所述工作台上设置有供工件穿过的通孔,工作台的两端分别通过动力源可滑动设置有刀架,每个所述刀架上均设置有刀片,两个所述刀片相对设置用于进行切断作业；每个刀片的前端部成型刀刃,刀刃的两端成型有加强块；所述刀刃成型有呈一个倾斜角α。加热后的铜棒通过固定装置固定在通孔中,这时动力源驱动刀架进行切断,通孔上的铜棒在切断过程中,随着两端刀架上的刀片对铜棒同时施力,所切断出来的铜棒的端面是倾斜的；而切断后还留在固定装置上的铜棒的端面是平整的；而且通过两把相对设置的刀片一起对铜棒进行切断,使切断后还留在固定装置上的铜棒的端面是平整的而且可以减少对材料的浪费。(The invention relates to a red punching and cutting device which comprises a workbench, wherein a through hole for a workpiece to pass through is formed in the workbench, tool rests are slidably arranged at two ends of the workbench respectively through a power source, each tool rest is provided with a blade, the two blades are oppositely arranged and used for cutting, a blade is formed at the front end part of each blade, reinforcing blocks are formed at two ends of each blade, the blade is formed to have an inclination angle α, a heated copper rod is fixed in the through hole through a fixing device, the power source drives the tool rests to cut off, the end surface of the cut copper rod is inclined along with the fact that the blades on the tool rests at two ends apply force to the copper rod simultaneously in the cutting process, the end surface of the copper rod remained on the fixing device after cutting is flat, the copper rod remained on the fixing device after cutting is cut off through the two blades oppositely arranged, and the copper rod is cut off together, so that the end surface of the copper rod remained on the fixing device after cutting is flat, and waste of materials can be reduced.)

1. A red punching cutting device comprises a workbench (1), and is characterized in that a through hole (2) for a workpiece to pass through is formed in the workbench (1), tool rests (3) are slidably arranged at two ends of the workbench (1) through power sources (4), each tool rest (3) is provided with a blade (6), the two blades (6) are oppositely arranged and used for cutting, a cutting edge (7) is formed at the front end of each blade (6), reinforcing blocks (14) are formed at two ends of each cutting edge (7), and each cutting edge (7) is formed to have an inclination angle α.

2. A red die cutting apparatus according to claim 1, wherein the angle α of inclination of one side of the blade (7) is 25-35 degrees.

3. A red die cutting apparatus according to claim 1, wherein: the thickness of the blade (6) is 2.5-3.5 mm.

4. A red die cutting apparatus according to claim 1, wherein: the cutter holder is characterized in that a cutter groove (8) used for placing the cutter blade (6) is formed in the front end of the cutter holder (3), a fixing block (9) is arranged on the cutter blade (6), the fixing block (9) and the cutter blade (6) are fixed on the cutter groove (8) through a bolt (10), and the upper end face of the fixing block (9) is flush with the upper end face of the cutter holder (3).

5. A red die cutting apparatus according to claim 1 or 4, wherein: an arc-shaped groove (11) is formed in the cutter groove (8), and the arc-shaped groove (11) is located at the lower end of the blade (6).

6. A red die cutting apparatus according to claim 5, wherein: the lower end of the knife rest (3) is provided with a sliding groove (12), the sliding groove (12) is arranged at the lower end of the arc-shaped groove (11), the workbench (1) is provided with a sliding rail (13) matched with the sliding groove (12), and the area of the upper end of the sliding rail (13) is larger than that of the lower end.

Technical Field

The invention belongs to the technical field of cutting, and particularly relates to a red die cutting device.

Background

The red punching is actually a hot extrusion process, and as society advances and science and technology develops, the mechanical industry puts forward new mechanical strength requirements on mechanical parts. The mechanical strength is improved by two methods, namely, the material of the parts is changed, and the processing method is changed. The red punching process is one of effective methods for improving the mechanical property of parts by changing the processing method, so that the red punching process has strong vitality and good development prospect as the forging process.

At present, among the red technology of dashing, all heat brass bar or iron rod to red after, the rethread cutter cuts off and processes, but the red lathe of dashing on the market all cuts off the copper rod through unilateral cutter, and the copper rod that this kind of mode cut off can appear very big inclined plane, just need give the processing to unnecessary inclined plane in the subsequent course of working moreover, has just so caused the waste of material.

Disclosure of Invention

The invention aims to provide a red die cutting device which is simple in structure and smooth in cutting.

The red die cutting device comprises a workbench, wherein a through hole for a workpiece to pass through is formed in the workbench, tool rests are slidably arranged at two ends of the workbench through power sources respectively, each tool rest is provided with a blade, the two blades are oppositely arranged for cutting, a cutting edge is formed at the front end of each blade, reinforcing blocks are formed at two ends of the cutting edge, and the cutting edge is formed to have an inclination angle α.

As a further improvement of the invention, the single edge of the cutting edge has an inclination angle of 25-35 degrees.

As a further improvement of the invention, the thickness of the blade is 2.5-3.5 mm.

As a further improvement of the invention, the front end of the knife rest is provided with a knife groove for placing the blade, the blade is provided with a fixed block, the fixed block and the blade are fixed on the knife groove through bolts, and the upper end surface of the fixed block is flush with the upper end surface of the knife rest.

As a further improvement of the invention, the knife groove is provided with an arc-shaped groove which is positioned at the lower end of the blade.

As a further improvement of the invention, the lower end part of the tool rest is provided with a sliding groove, the sliding groove is arranged at the lower end of the arc-shaped groove, the workbench is provided with a sliding rail matched with the sliding groove, and the area of the upper end part of the sliding rail is larger than that of the lower end part of the sliding rail.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. the copper bar is cut off by the tool rests at the two ends of the workbench through the driving of the power source, and the end face of the cut copper bar is inclined due to the inclined plane at the upper end of the cutting edge; the lower end of the cutting edge is flat, and the blades at the two ends simultaneously apply force to the copper rod, so that the end surface of the copper rod which is left on the fixing device after cutting is also flat; and the copper bar is cut off by the two blades which are oppositely arranged, so that the end surface of the copper bar which is remained on the fixing device after cutting is smooth, and the waste of materials can be reduced.

2. The up end of fixed block with the up end parallel and level of knife rest, the blade that can be firm like this is fixed and when the power supply drive knife rest, produced resistance is less.

3. The reserved space formed by the arc-shaped groove can remove the backward force generated by the cutting edge and the copper bar, and the service life of the blade can be prolonged through the force removal.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic view of the construction of the tool holder of the present invention.

Fig. 4 is one of the structural schematic diagrams of the blade of the present invention.

Fig. 5 is a second schematic view of the structure of the blade of the present invention.

Fig. 6 is a third schematic structural view of the blade of the present invention.

The reference numerals in the figures denote the meanings:

1-a workbench; 2-a through hole; 3, a tool rest; 4-a power source; 6-a blade; 7-a blade; 8-knife grooves; 9-fixing block; 10-bolt; 11-an arc-shaped groove; 12-a chute; 13-a slide rail; 14-a reinforcing block; 15-a copper rod; 16-a heat protection layer; 17-a reinforcement layer; 18-composite coating.

Detailed Description

The invention is further described below with reference to specific examples:

as shown in fig. 1-6, the red die cutting device comprises a workbench 1, a through hole 2 for a workpiece to pass through is formed in the workbench 1, tool rests 3 are slidably arranged at two ends of the workbench 1 through power sources 4 respectively, each tool rest 3 is provided with a blade 6, the two blades 6 are oppositely arranged for cutting, a cutting edge 7 is formed at the front end of each blade 6, reinforcing blocks 14 are formed at two ends of each cutting edge 7, and each cutting edge 7 is formed to have an inclination angle α.

The workpiece in the technical scheme is the heated copper rod 15, and is a workpiece to be processed in the utility model, which does not belong to the structure of the utility model, and the power source 4 drives the knife rest 3 to cut off along with the heated copper rod 15 is fixed in the through hole 2 through the fixing device, and the power source 4 can be an air cylinder or an oil cylinder; the through hole 2 is positioned between the tool rests 3 at two ends of the workbench 1, the tool rests 3 at two ends of the workbench 1 cut off the copper bar 15 on the through hole 2 by the driving of a power source, the copper bar 15 on the through hole 2 simultaneously applies force along with the blades 6 on the tool rests 3 at two ends to the copper bar 15 in the cutting process, and the end surface of the cut copper bar 15 is inclined due to the inclined surface at the upper end of the cutting edge 7; the copper bar 15 remained on the fixing device after being cut off is flat because the lower end of the cutting edge 7 is flat, and the blades 6 at the two ends simultaneously apply force to the copper bar 15, so the end surface of the copper bar 15 remained on the fixing device after being cut off is also flat; and the reinforcing blocks 14 are additionally arranged on the two sides of the cutting edge 7, so that the strength of the cutting edge 7 can be increased, the service life of the blade 6 can be further prolonged, and the copper bar 15 is cut off by the two oppositely arranged blades 6, so that the end surface of the copper bar 15 which is remained on the fixing device after cutting is flat and the waste of materials can be reduced.

The previous cutting of the copper bar 15 is performed by a single blade 6, the previous blade 6 being shown in figure 4, the cutting edge 7 of the front end of the blade 6 is an inclined angle generated by inclined surfaces formed at both sides of the blade 6, in contrast, the cutting edge 7 at the front end of the blade 6 used in the present invention is an inclined angle formed by an inclined surface formed on one side of the blade 6, and as shown in fig. 5, in addition, the strengthening blocks 14 are added at the two ends of the cutting edge 7 of the utility model, so that the strength of the cutting edge 7 can be improved, the copper bar 15 is cut by the unilateral blade 6, the end surface of the cut copper bar 15 is inclined, moreover, the blade 6 is easily abraded by the unilateral cutting mode, but the utility model adopts the blade 6 with two opposite ends to simultaneously cut off the copper bar 15, so that the end surface of the copper bar 15 remained on the fixing device after cutting is smooth.

As a further improvement of the invention, the single edge inclination angle α of the blade 7 is 25-35 degrees, as shown in FIG. 5, the inclination angle α of the blade 7 in the technical scheme is 25-35 degrees, and the inclination angle α of the blade 7 is an optimal angle when being 30 degrees, so that not only can the end surface of the cut copper bar 15 be smooth, but also the blade 7 can be just suitable for the strength of cutting the copper bar 15 by adopting the angle, if the angle is too large, the force applied to the copper bar 15 is not enough, the end surface of the cut copper bar 15 is uneven, if the angle is too small, the end surface of the copper bar 15 can be cut flat, but the blade is easy to be broken, so that the inclination angle α of the blade 7 is just good, and the strength of being just suitable for cutting the copper bar 15 and the end surface of the cut copper bar 15 are even.

As a further development of the invention, the blade 6 has a thickness of 2.5 to 3.5 mm. Cutting edge 7 has the chamfer angle by itself, and cut off bar copper 15 through the blade 6 of both ends relative setting, and the terminal surface that cuts off out bar copper 15 is level and smooth, but connect the terminal surface middle part that cuts off bar copper 15 still can have a little protrudingly, but through many-sided experiment after, set up the thickness of blade 6 to 3mm, can make the terminal surface that cuts out bar copper 15 level and smooth and this kind of thickness just is applicable to the intensity of cutting bar copper 15.

The blade 6 is provided with a composite coating 18, and the composite coating 18 comprises a carbon nanofiber layer and a diamond-like carbon layer; the carbon nanofiber layer comprises an adhesive, and the adhesive is a urea-formaldehyde resin adhesive. The adhesive can be used together with a curing agent and a waterproof agent effectively in a synergistic manner on the carbon nanofiber layer, and the influence of the flame retardant on the moisture resistance and the environmental protection of the medium-density fiberboard is mainly reduced.

The composite coating 18 is provided with the reinforcing layer 17, the reinforcing layer 17 is made of a diamond hard film, the thickness of the diamond hard film coating is about 1-30 micrometers, the friction coefficient of an original hard alloy material can be greatly reduced by adding the diamond hard film coating, the supporting effect of the reinforcing layer 17 on the whole blade 6 can be realized to the greatest extent, and therefore the working performance in the face of a high-pressure environment is improved.

The heat-proof layer 16 is added on the reinforcing layer 17, and the heat-proof layer 16 is made of a high-temperature-resistant heat-insulating material, such as: glass fiber, asbestos, rock wool, silicate and the like, and when the heated copper rod 15 is cut, a heat release layer is added, so that heat can be further insulated, and the blade 6 is not easy to stick to a knife.

As a further improvement of the present invention, a knife groove 8 for placing the blade 6 is formed at the front end of the knife rest 3, a fixing block 9 is arranged on the blade 6, the fixing block 9 and the blade 6 are fixed on the knife groove 8 through a bolt 10, and the upper end surface of the fixing block 9 is flush with the upper end surface of the knife rest 3.

The fixing block 9 is used for fixing the blade 6, when the blade 6 is pressed by the fixing block 9, the upper end of the fixing block 9 needs to be flush with the upper end of the knife rest 3, when the power source 4 pushes the knife rest 3, if the upper end position of the fixing block 9 exceeds the upper end position of the knife rest 3, the exceeding part is easy to cause a large resistance to influence the cutting force of the blade 6 on the copper bar 15, and the cutting force is weakened through the resistance to influence the processing efficiency; if the upper end position of the fixing block 9 is too low and does not exceed the upper end position of the knife rest 3, the blade 6 is not easy to be fixed, and when the knife rest 6 works, knife breaking or unstable cut end surfaces are easy to cause; the upper end surface of the fixing block 9 is flush with the upper end surface of the blade holder 3, so that the blade 6 can be firmly fixed and the resistance generated when the power source 4 drives the blade holder 3 is small.

As a further improvement of the present invention, the knife groove 8 is provided with an arc-shaped groove 11, and the arc-shaped groove 11 is located at the lower end of the blade 6. When the blade 6 cuts the copper rod 15, the force application points of the copper rod 15 are all at the middle end part of the blade 7, the loss generated at the middle end part of the blade 7 is large, a backward force is generated when the middle end part of the blade 7 is contacted with the copper rod 15, the reserved space formed by the arc-shaped groove 11 can unload the backward generated force, and the service life of the blade 6 can be prolonged through the unloading force.

As a further improvement of the present invention, the lower end of the tool holder 3 is provided with a sliding groove 12, the sliding groove 12 is arranged at the lower end of the arc-shaped groove 11, the workbench 1 is provided with a sliding rail 13 adapted to the sliding groove 12, and the area of the upper end of the sliding rail 13 is larger than that of the lower end.

The middle copper bar 15 is processed by the tool rests 3 at two ends of the workbench 1 in the processing process, the force generated by the power source 4 for driving the tool rests is large in the processing process, so that the area of the upper end part of the slide rail 13 adopted in the design of the slide rail 13 is larger than the area of the lower end part of the slide rail 13, the tool rests can be firmly fixed on the slide rail 13, the tool rests can be stably moved by pushing the tool rests 3 through the power source 4, the blades 6 on the tool rests 3 can be stably cut off, and the end faces of the copper bar 15 remained on the fixing device after the cutting off can be flat.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.